AI Trajectory

null

{
  "EnableConfigs": null,
  "FocusSymbols": [],
  "Reasoning": "The patch replaces a bitfield struct `gpt_entry_attributes` with a simple `__le64 attributes` in `gpt_entry`. The `attributes` field is never accessed anywhere in the kernel code. The size of `gpt_entry` remains exactly the same (128 bytes) because the old struct was `__packed` and contained exactly 64 bits of bitfields. Therefore, this is a purely decorative/cleanup change with no functional impact on execution flow.",
  "WorthFuzzing": false
}

null

{
  "PatchDiff": "commit ae871f3c6e6d94ce728c457ff15e8df49c207ccb\nAuthor: syz-cluster \u003ctriage@syzkaller.com\u003e\nDate:   Sun Jul 26 07:08:39 2026 +0000\n\n    syz-cluster: applied patch under review\n\ndiff --git a/block/partitions/efi.h b/block/partitions/efi.h\nindex 84b9f36b9e4797..1f56f93b28048f 100644\n--- a/block/partitions/efi.h\n+++ b/block/partitions/efi.h\n@@ -75,18 +75,12 @@ typedef struct _gpt_header {\n \t */\n } __packed gpt_header;\n \n-typedef struct _gpt_entry_attributes {\n-\tu64 required_to_function:1;\n-\tu64 reserved:47;\n-        u64 type_guid_specific:16;\n-} __packed gpt_entry_attributes;\n-\n typedef struct _gpt_entry {\n \tefi_guid_t partition_type_guid;\n \tefi_guid_t unique_partition_guid;\n \t__le64 starting_lba;\n \t__le64 ending_lba;\n-\tgpt_entry_attributes attributes;\n+\t__le64 attributes;\n \t__le16 partition_name[72/sizeof(__le16)];\n } __packed gpt_entry;\n \n"
}

best-expensive

null

{
  "EnableConfigs": null,
  "FocusSymbols": [],
  "Reasoning": "The patch replaces a bitfield struct `gpt_entry_attributes` with a simple `__le64 attributes` in `gpt_entry`. The `attributes` field is never accessed anywhere in the kernel code. The size of `gpt_entry` remains exactly the same (128 bytes) because the old struct was `__packed` and contained exactly 64 bits of bitfields. Therefore, this is a purely decorative/cleanup change with no functional impact on execution flow.",
  "WorthFuzzing": false
}

You are an expert Linux kernel maintainer.
Your job is to review a provided patch series and determine
if it makes functional changes to the kernel that should be fuzzed.

IMPORTANT: The changes have ALREADY been applied and committed as the HEAD commit in
your workspace. Do NOT rely on your internal knowledge of the kernel. You must actively
use your code access tools to examine the actual source code and confirm any assumptions.

Return WorthFuzzing=false if the patch only contains:
- Modifications to Documentation/, Kconfig files, or code comments.
- Purely decorative changes, such as logging (e.g., pr_err, printk) or tracepoints.
- Changes to numeric constants or macros that do not functionally alter execution flow.
- Code paths that are impossible to reach in virtualized environments like GCE or QEMU,
  even when utilizing software-emulated hardware (e.g., usb gadget, mac80211_hwsim).
- Code in vendor-specific PCIe switch, SmartNIC, or GPU drivers (e.g., mlxsw, pds_core, qed,
  ionic, amdgpu) that require physical PCIe hardware cards not emulated in standard QEMU.
- Driver .remove, .shutdown, or pci_unregister_driver teardown callbacks (e.g., igb_remove)
  that are executed only during PCI hot-unplug or sysfs driver unbind operations.

If it modifies reachable core kernel logic, drivers, or architectures, use your code search
tools to verify the code can be executed, then return WorthFuzzing=true.

When returning WorthFuzzing=true, you MUST ALSO:
1. Extract any specific kernel functions that should be heavily fuzzed into FocusSymbols.
   Avoid listing generic hot-path functions to prevent skewed test distributions.
   Prefer non-static, non-inlined API entrypoint functions over internal static helper functions
   (which are inlined by the compiler and do not have distinct symbol addresses).
2. Identify any specific CONFIG_ options required to properly test this new/modified feature.
   Go and look into the Kconfig files and check for ifdefs around the code, do not make assumptions.
   Also check "depends on" lines in Kconfig to include any non-standard parent subsystem configs
   needed for Kbuild to compile the code statically into vmlinux. List them in the EnableConfigs
   output array, and DO NOT add a 'CONFIG_' prefix (e.g., return "NET_IPV4" instead of "CONFIG_NET_IPV4").
Prefer calling several tools at the same time to save round-trips.


Use set-results tool to provide results of the analysis.
It must be called exactly once before the final reply.
Ignore results of this tool.

For your convenience, here is the diff of the changes:
commit ae871f3c6e6d94ce728c457ff15e8df49c207ccb
Author: syz-cluster <triage@syzkaller.com>
Date:   Sun Jul 26 07:08:39 2026 +0000

    syz-cluster: applied patch under review

diff --git a/block/partitions/efi.h b/block/partitions/efi.h
index 84b9f36b9e4797..1f56f93b28048f 100644
--- a/block/partitions/efi.h
+++ b/block/partitions/efi.h
@@ -75,18 +75,12 @@ typedef struct _gpt_header {
 	 */
 } __packed gpt_header;
 
-typedef struct _gpt_entry_attributes {
-	u64 required_to_function:1;
-	u64 reserved:47;
-        u64 type_guid_specific:16;
-} __packed gpt_entry_attributes;
-
 typedef struct _gpt_entry {
 	efi_guid_t partition_type_guid;
 	efi_guid_t unique_partition_guid;
 	__le64 starting_lba;
 	__le64 ending_lba;
-	gpt_entry_attributes attributes;
+	__le64 attributes;
 	__le16 partition_name[72/sizeof(__le16)];
 } __packed gpt_entry;
 

gemini-3.1-pro-preview

null

null

							input: 2132
							output: 25
							thoughts: 98
						

**Analyzing the EFI Partition Patch**

Okay, so I'm looking at this patch for `block/partitions/efi.h`, and it looks like a good one. They're removing the `gpt_entry_attributes` struct, which was using bitfields, and replacing it with a simple `__le64 attributes` field directly within the `gpt_entry` struct. This is a smart move, I immediately see the benefit. Bitfields are notorious for being implementation-defined; the layout isn't guaranteed to be consistent across different architectures, and that can lead to some nasty endianness and layout bugs down the line. Using `__le64` provides a much more predictable and portable way to handle these attributes, effectively ensuring the data is correctly interpreted regardless of the system's byte order. It's a clean and efficient fix to a potential long-term problem. I like this. But, just to be thorough, I should check if this `gpt_entry_attributes` was used anywhere else. Gotta make sure we're not missing any dependencies or potential side effects from this change. Always double check.

no matches

{
  "Expression": "gpt_entry_attributes",
  "PathPrefix": ""
}

{
  "error": "no matches"
}

gemini-3.1-pro-preview

null

null

							input: 2503
							output: 23
							thoughts: 12
						

Okay, here's my take on those thoughts, tailored for an expert audience:

**Analyzing `gpt_entry` Usage**

Alright, time to dive in. My initial thought process is geared towards a targeted search. I need to pinpoint every instance of `gpt_entry`. This is likely the key to understanding a specific module, function, or data structure within this code base. I'm immediately thinking about the best search tools to use – grep, ripgrep, the IDE's built-in search with advanced options... I need a search that's precise but also covers potential variations. Am I looking for a literal string match, or should I consider regular expressions to account for different capitalization or naming conventions (`GPT_ENTRY`, `GptEntry`, etc.)? Also, I need to consider where I should be searching. Is it the entire project, or a subset of directories based on my existing knowledge? The scope will significantly impact both the time to run and the noise-to-signal ratio of the results. I'll need to remember to check any configuration files, documentation, and even test cases, as those are often where these types of things are defined and used. Let's get searching and see what we uncover.

{
  "Expression": "gpt_entry",
  "PathPrefix": ""
}

{
  "Output": "block/partitions/efi.c=234=static size_t read_lba(struct parsed_partitions *state,\n--\nblock/partitions/efi.c-269- */\nblock/partitions/efi.c:270:static gpt_entry *alloc_read_gpt_entries(struct parsed_partitions *state,\nblock/partitions/efi.c-271-\t\t\t\t\t gpt_header *gpt)\n--\nblock/partitions/efi.c-273-\tsize_t count;\nblock/partitions/efi.c:274:\tgpt_entry *pte;\nblock/partitions/efi.c-275-\n--\nblock/partitions/efi.c=334=static int is_gpt_valid(struct parsed_partitions *state, u64 lba,\nblock/partitions/efi.c:335:\t\t\tgpt_header **gpt, gpt_entry **ptes)\nblock/partitions/efi.c-336-{\n--\nblock/partitions/efi.c-414-\t/* Check that sizeof_partition_entry has the correct value */\nblock/partitions/efi.c:415:\tif (le32_to_cpu((*gpt)-\u003esizeof_partition_entry) != sizeof(gpt_entry)) {\nblock/partitions/efi.c-416-\t\tpr_debug(\"GUID Partition Entry Size check failed.\\n\");\n--\nblock/partitions/efi.c=459=static inline int\nblock/partitions/efi.c:460:is_pte_valid(const gpt_entry *pte, const u64 lastlba)\nblock/partitions/efi.c-461-{\n--\nblock/partitions/efi.c=580=static int find_valid_gpt(struct parsed_partitions *state, gpt_header **gpt,\nblock/partitions/efi.c:581:\t\t\t  gpt_entry **ptes)\nblock/partitions/efi.c-582-{\n--\nblock/partitions/efi.c-584-\tgpt_header *pgpt = NULL, *agpt = NULL;\nblock/partitions/efi.c:585:\tgpt_entry *pptes = NULL, *aptes = NULL;\nblock/partitions/efi.c-586-\tlegacy_mbr *legacymbr;\n--\nblock/partitions/efi.c=712=int efi_partition(struct parsed_partitions *state)\n--\nblock/partitions/efi.c-714-\tgpt_header *gpt = NULL;\nblock/partitions/efi.c:715:\tgpt_entry *ptes = NULL;\nblock/partitions/efi.c-716-\tu32 i;\n--\nblock/partitions/efi.h=55=typedef struct _gpt_header {\n--\nblock/partitions/efi.h-77-\nblock/partitions/efi.h:78:typedef struct _gpt_entry {\nblock/partitions/efi.h-79-\tefi_guid_t partition_type_guid;\n--\nblock/partitions/efi.h-84-\t__le16 partition_name[72/sizeof(__le16)];\nblock/partitions/efi.h:85:} __packed gpt_entry;\nblock/partitions/efi.h-86-\n"
}

gemini-3.1-pro-preview

null

null

							input: 3589
							output: 28
							thoughts: 129
						

**Analyzing the GPT Partition Table Patch**

Okay, so this patch is switching the `attributes` field within the `gpt_entry` structure from a bitfield struct to a `__le64` type. That's a definite functional change, and a good one at that. It looks like it's addressing endianness or layout problems, which is critical when dealing with EFI GUID Partition Tables (GPTs).

The relevant file is `block/partitions/efi.c`, which makes perfect sense. This code is responsible for parsing GPT partition tables. I can see the relevance, given that this is a core component of the block device interaction, specifically handling how the system understands and utilizes storage devices.

The path to this code is straightforward: a block device with a GPT partition table. And the entry point for EFI partition parsing is the `efi_partition` function, also in `block/partitions/efi.c`.

Now, I need to dig into `block/partitions/efi.c` itself. I need to understand *how* the `attributes` field is being used. Seeing the context of the change will solidify my understanding of the implications of this change. It would be good to see how this affects other related structures or functions. Let's see what we can find.

no matches

{
  "Expression": "attributes",
  "PathPrefix": "block/partitions/efi.c"
}

{
  "error": "no matches"
}

gemini-3.1-pro-preview

null

null

							input: 4028
							output: 25
							thoughts: 32
						

Okay, let's see... I'm looking at this code, specifically `block/partitions/efi.c`, and I'm a bit puzzled. I was expecting to find references to the `attributes` variable in there, but it's not present. That seems odd, right? I'm going to quickly check if that variable is used in other places within the codebase. It's crucial to understand where a variable is defined and how it's used, even if it's not in the expected location. Understanding the context will help me with any changes to the code. I'll need to trace the usage of `attributes` to see where it comes into play. I am sure I will find some connections!

{
  "Expression": "attributes",
  "PathPrefix": "block/partitions/"
}

{
  "Output": "block/partitions/efi.h=78=typedef struct _gpt_entry {\n--\nblock/partitions/efi.h-82-\t__le64 ending_lba;\nblock/partitions/efi.h:83:\t__le64 attributes;\nblock/partitions/efi.h-84-\t__le16 partition_name[72/sizeof(__le16)];\n"
}

gemini-3.1-pro-preview

null

null

							input: 4341
							output: 23
							thoughts: 215
						

**Analyzing GPT Partition Entry Attributes**

Okay, so I'm looking into this `attributes` field within the `gpt_entry` structure. It initially seemed unused within the kernel's actual code, just defined as part of the structure. But hold on, the `sizeof(gpt_entry)` is indeed used, specifically in `block/partitions/efi.c`, that's interesting. The code checks `if (le32_to_cpu((*gpt)->sizeof_partition_entry) != sizeof(gpt_entry))`.

Now, I need to check the size. Before, the `gpt_entry` size was 128 bytes, and as far as I can see, it *still* is 128 bytes. Good, that matches my intuition. So, the `gpt_entry_attributes` was:
```c
typedef struct _gpt_entry_attributes {
	u64 required_to_function:1;
	u64 reserved:47;
        u64 type_guid_specific:16;
} __packed gpt_entry_attributes;
```

That's an 8-byte structure, which makes sense. And the `__le64 attributes;` member is also 8 bytes. So the change to the `attributes` definition didn't affect the overall `gpt_entry` size. I was on the right track there. However, just because the size is correct doesn't mean it's right. I'm going to scan the code for more uses of `attributes` to be sure there aren't any potential side effects.

{
  "Expression": "gpt_entry",
  "PathPrefix": ""
}

{
  "Output": "block/partitions/efi.c=234=static size_t read_lba(struct parsed_partitions *state,\n--\nblock/partitions/efi.c-269- */\nblock/partitions/efi.c:270:static gpt_entry *alloc_read_gpt_entries(struct parsed_partitions *state,\nblock/partitions/efi.c-271-\t\t\t\t\t gpt_header *gpt)\n--\nblock/partitions/efi.c-273-\tsize_t count;\nblock/partitions/efi.c:274:\tgpt_entry *pte;\nblock/partitions/efi.c-275-\n--\nblock/partitions/efi.c=334=static int is_gpt_valid(struct parsed_partitions *state, u64 lba,\nblock/partitions/efi.c:335:\t\t\tgpt_header **gpt, gpt_entry **ptes)\nblock/partitions/efi.c-336-{\n--\nblock/partitions/efi.c-414-\t/* Check that sizeof_partition_entry has the correct value */\nblock/partitions/efi.c:415:\tif (le32_to_cpu((*gpt)-\u003esizeof_partition_entry) != sizeof(gpt_entry)) {\nblock/partitions/efi.c-416-\t\tpr_debug(\"GUID Partition Entry Size check failed.\\n\");\n--\nblock/partitions/efi.c=459=static inline int\nblock/partitions/efi.c:460:is_pte_valid(const gpt_entry *pte, const u64 lastlba)\nblock/partitions/efi.c-461-{\n--\nblock/partitions/efi.c=580=static int find_valid_gpt(struct parsed_partitions *state, gpt_header **gpt,\nblock/partitions/efi.c:581:\t\t\t  gpt_entry **ptes)\nblock/partitions/efi.c-582-{\n--\nblock/partitions/efi.c-584-\tgpt_header *pgpt = NULL, *agpt = NULL;\nblock/partitions/efi.c:585:\tgpt_entry *pptes = NULL, *aptes = NULL;\nblock/partitions/efi.c-586-\tlegacy_mbr *legacymbr;\n--\nblock/partitions/efi.c=712=int efi_partition(struct parsed_partitions *state)\n--\nblock/partitions/efi.c-714-\tgpt_header *gpt = NULL;\nblock/partitions/efi.c:715:\tgpt_entry *ptes = NULL;\nblock/partitions/efi.c-716-\tu32 i;\n--\nblock/partitions/efi.h=55=typedef struct _gpt_header {\n--\nblock/partitions/efi.h-77-\nblock/partitions/efi.h:78:typedef struct _gpt_entry {\nblock/partitions/efi.h-79-\tefi_guid_t partition_type_guid;\n--\nblock/partitions/efi.h-84-\t__le16 partition_name[72/sizeof(__le16)];\nblock/partitions/efi.h:85:} __packed gpt_entry;\nblock/partitions/efi.h-86-\n"
}

gemini-3.1-pro-preview

null

null

							input: 5720
							output: 22
							thoughts: 204
						

**Analyzing the Impact of a Type Change**

Okay, so I'm looking at this proposed change and my initial thought is, "Wait a minute, if `attributes` isn't actually *used* anywhere, then altering its type shouldn't change the execution flow at all, right?" The only situation where this might *not* be true is if the `gpt_entry_attributes` struct somehow had a different size than 8 bytes on some architectures. This could happen due to bitfield packing rules, which could then alter the `sizeof(gpt_entry)`.

I need to confirm if that's the case. Let's take a look at the definition of `gpt_entry_attributes`:

```c
typedef struct _gpt_entry_attributes {
	u64 required_to_function:1;
	u64 reserved:47;
        u64 type_guid_specific:16;
} __packed gpt_entry_attributes;
```

Aha! It's got `__packed`. That should force it to be exactly 8 bytes, regardless of the architecture. So, if it is indeed 8 bytes, and never actually accessed, then this whole thing is essentially a cosmetic change or cleanup operation.

Now, I really need to double-check my work. Let's thoroughly search the kernel code to be absolutely certain that this `attributes` field isn't being accessed anywhere. I need to be 100% sure before I come to a conclusion.

{
  "Expression": "\\.attributes",
  "PathPrefix": ""
}

{
  "Output": "\nFull output is too long, showing 500 out of 637 lines.\nUse more precise expression if possible.\n\nDocumentation/sphinx/kfigure.py=511=def visit_kernel_render(self, node):\n--\nDocumentation/sphinx/kfigure.py-535-    code      = literal_block.astext()\nDocumentation/sphinx/kfigure.py:536:    hashobj   = code.encode('utf-8') #  str(node.attributes)\nDocumentation/sphinx/kfigure.py-537-    fname     = path.join('%s-%s' % (srclang, sha1(hashobj).hexdigest()))\n--\nDocumentation/sphinx/kfigure.py-546-\nDocumentation/sphinx/kfigure.py:547:    img_node = nodes.image(node.rawsource, **node.attributes)\nDocumentation/sphinx/kfigure.py-548-    img_node['uri'] = path.join(self.builder.imgpath, fname + tmp_ext)\n--\nDocumentation/sphinx/rstFlatTable.py=136=class ListTableBuilder(object):\n--\nDocumentation/sphinx/rstFlatTable.py-170-            if stub_columns:\nDocumentation/sphinx/rstFlatTable.py:171:                colspec.attributes['stub'] = 1\nDocumentation/sphinx/rstFlatTable.py-172-                stub_columns -= 1\n--\narch/arm/include/asm/vmlinux.lds.h-86-\t\tELF_DETAILS\t\t\t\t\t\t\\\narch/arm/include/asm/vmlinux.lds.h:87:\t\t.ARM.attributes 0 : { *(.ARM.attributes) }\narch/arm/include/asm/vmlinux.lds.h-88-\n--\narch/arm64/kernel/vdso/vdso.lds.S=21=SECTIONS\n--\narch/arm64/kernel/vdso/vdso.lds.S-40-\t\t*(.note.GNU-stack .note.gnu.property)\narch/arm64/kernel/vdso/vdso.lds.S:41:\t\t*(.ARM.attributes)\narch/arm64/kernel/vdso/vdso.lds.S-42-\t}\n--\narch/arm64/kernel/vdso32/vdso.lds.S=20=SECTIONS\n--\narch/arm64/kernel/vdso32/vdso.lds.S-60-\tELF_DETAILS\narch/arm64/kernel/vdso32/vdso.lds.S:61:\t.ARM.attributes 0 : { *(.ARM.attributes) }\narch/arm64/kernel/vdso32/vdso.lds.S-62-\n--\narch/arm64/kernel/vmlinux.lds.S=174=SECTIONS\n--\narch/arm64/kernel/vmlinux.lds.S-185-\t\t*(.dynsym .dynstr .hash .gnu.hash)\narch/arm64/kernel/vmlinux.lds.S:186:\t\t*(.ARM.attributes)\narch/arm64/kernel/vmlinux.lds.S-187-\t}\n--\narch/hexagon/kernel/vmlinux.lds.S=26=SECTIONS\n--\narch/hexagon/kernel/vmlinux.lds.S-66-\tELF_DETAILS\narch/hexagon/kernel/vmlinux.lds.S:67:\t.hexagon.attributes 0 : { *(.hexagon.attributes) }\narch/hexagon/kernel/vmlinux.lds.S-68-\n--\narch/loongarch/kernel/vmlinux.lds.S=41=SECTIONS\n--\narch/loongarch/kernel/vmlinux.lds.S-178-\t\t*(.dynamic .dynsym .dynstr .hash .gnu.hash)\narch/loongarch/kernel/vmlinux.lds.S:179:\t\t*(.gnu.attributes)\narch/loongarch/kernel/vmlinux.lds.S-180-\t\t*(.options)\n--\narch/loongarch/vdso/vdso.lds.S=12=SECTIONS\n--\narch/loongarch/vdso/vdso.lds.S-43-\t/DISCARD/\t: {\narch/loongarch/vdso/vdso.lds.S:44:\t\t*(.gnu.attributes)\narch/loongarch/vdso/vdso.lds.S-45-\t\t*(.note.GNU-stack)\n--\narch/mips/kernel/vmlinux.lds.S=43=SECTIONS\n--\narch/mips/kernel/vmlinux.lds.S-238-\t\t*(.MIPS.options)\narch/mips/kernel/vmlinux.lds.S:239:\t\t*(.gnu.attributes)\narch/mips/kernel/vmlinux.lds.S-240-\t\t*(.options)\n--\narch/mips/vdso/vdso.lds.S=21=SECTIONS\n--\narch/mips/vdso/vdso.lds.S-65-\t\t*(.MIPS.abiflags)\narch/mips/vdso/vdso.lds.S:66:\t\t*(.gnu.attributes)\narch/mips/vdso/vdso.lds.S-67-\t\t*(.note.GNU-stack)\n--\narch/powerpc/kernel/vmlinux.lds.S=48=SECTIONS\n--\narch/powerpc/kernel/vmlinux.lds.S-407-\t\t*(.gnu.version*)\narch/powerpc/kernel/vmlinux.lds.S:408:\t\t*(.gnu.attributes)\narch/powerpc/kernel/vmlinux.lds.S-409-\t\t*(.eh_frame)\n--\narch/riscv/kernel/vmlinux.lds.S=26=SECTIONS\n--\narch/riscv/kernel/vmlinux.lds.S-170-\tELF_DETAILS\narch/riscv/kernel/vmlinux.lds.S:171:\t.riscv.attributes 0 : { *(.riscv.attributes) }\narch/riscv/kernel/vmlinux.lds.S-172-\n--\narch/s390/kernel/vdso/vdso.lds.S=16=SECTIONS\n--\narch/s390/kernel/vdso/vdso.lds.S-65-\t.comment       0 : { *(.comment) }\narch/s390/kernel/vdso/vdso.lds.S:66:\t.gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }\narch/s390/kernel/vdso/vdso.lds.S-67-\n--\narch/x86/hyperv/hv_vtl.c=134=static int hv_vtl_bringup_vcpu(u32 target_vp_index, int cpu, u64 eip_ignored)\n--\narch/x86/hyperv/hv_vtl.c-201-\tinput-\u003evp_context.cs.limit = 0xffffffff;\narch/x86/hyperv/hv_vtl.c:202:\tinput-\u003evp_context.cs.attributes = 0xa09b;\narch/x86/hyperv/hv_vtl.c-203-\t/* Non-system desc (64bit), data, present, granularity, default */\n--\narch/x86/hyperv/hv_vtl.c-206-\tinput-\u003evp_context.ss.limit = 0xffffffff;\narch/x86/hyperv/hv_vtl.c:207:\tinput-\u003evp_context.ss.attributes = 0xc093;\narch/x86/hyperv/hv_vtl.c-208-\n--\narch/x86/hyperv/hv_vtl.c-212-\tinput-\u003evp_context.ldtr.limit = hv_vtl_system_desc_limit(ldt);\narch/x86/hyperv/hv_vtl.c:213:\tinput-\u003evp_context.ldtr.attributes = 0x82;\narch/x86/hyperv/hv_vtl.c-214-\n--\narch/x86/hyperv/hv_vtl.c-218-\tinput-\u003evp_context.tr.limit = hv_vtl_system_desc_limit(tss);\narch/x86/hyperv/hv_vtl.c:219:\tinput-\u003evp_context.tr.attributes = 0x8b;\narch/x86/hyperv/hv_vtl.c-220-\n--\narch/x86/kernel/cpu/sgx/ioctl.c=467=static int sgx_encl_init(struct sgx_encl *encl, struct sgx_sigstruct *sigstruct,\n--\narch/x86/kernel/cpu/sgx/ioctl.c-486-\t * opt to sign with AVX bit in xfrm, but still be loadable on a platform\narch/x86/kernel/cpu/sgx/ioctl.c:487:\t * without it if the sigstruct-\u003ebody.attributes_mask does not turn that\narch/x86/kernel/cpu/sgx/ioctl.c-488-\t * bit on.\narch/x86/kernel/cpu/sgx/ioctl.c-489-\t */\narch/x86/kernel/cpu/sgx/ioctl.c:490:\tif (sigstruct-\u003ebody.attributes \u0026 sigstruct-\u003ebody.attributes_mask \u0026\narch/x86/kernel/cpu/sgx/ioctl.c-491-\t    sgx_attributes_reserved_mask)\n--\narch/x86/kvm/mmu/mmu.c=8021=bool kvm_arch_pre_set_memory_attributes(struct kvm *kvm,\n--\narch/x86/kvm/mmu/mmu.c-8073-\t/* Unmap the old attribute page. */\narch/x86/kvm/mmu/mmu.c:8074:\tif (range-\u003earg.attributes \u0026 KVM_MEMORY_ATTRIBUTE_PRIVATE)\narch/x86/kvm/mmu/mmu.c-8075-\t\trange-\u003eattr_filter = KVM_FILTER_SHARED;\n--\narch/x86/kvm/mmu/mmu.c=8101=bool kvm_arch_post_set_memory_attributes(struct kvm *kvm,\n--\narch/x86/kvm/mmu/mmu.c-8103-{\narch/x86/kvm/mmu/mmu.c:8104:\tunsigned long attrs = range-\u003earg.attributes;\narch/x86/kvm/mmu/mmu.c-8105-\tstruct kvm_memory_slot *slot = range-\u003eslot;\n--\ndrivers/accessibility/speakup/speakup_acntpc.c=103=static struct spk_synth synth_acntpc = {\n--\ndrivers/accessibility/speakup/speakup_acntpc.c-132-\t},\ndrivers/accessibility/speakup/speakup_acntpc.c:133:\t.attributes = {\ndrivers/accessibility/speakup/speakup_acntpc.c-134-\t\t.attrs = synth_attrs,\n--\ndrivers/accessibility/speakup/speakup_acntsa.c=89=static struct spk_synth synth_acntsa = {\n--\ndrivers/accessibility/speakup/speakup_acntsa.c-119-\t},\ndrivers/accessibility/speakup/speakup_acntsa.c:120:\t.attributes = {\ndrivers/accessibility/speakup/speakup_acntsa.c-121-\t\t.attrs = synth_attrs,\n--\ndrivers/accessibility/speakup/speakup_apollo.c=101=static struct spk_synth synth_apollo = {\n--\ndrivers/accessibility/speakup/speakup_apollo.c-131-\t},\ndrivers/accessibility/speakup/speakup_apollo.c:132:\t.attributes = {\ndrivers/accessibility/speakup/speakup_apollo.c-133-\t\t.attrs = synth_attrs,\n--\ndrivers/accessibility/speakup/speakup_audptr.c=92=static struct spk_synth synth_audptr = {\n--\ndrivers/accessibility/speakup/speakup_audptr.c-122-\t},\ndrivers/accessibility/speakup/speakup_audptr.c:123:\t.attributes = {\ndrivers/accessibility/speakup/speakup_audptr.c-124-\t\t.attrs = synth_attrs,\n--\ndrivers/accessibility/speakup/speakup_bns.c=85=static struct spk_synth synth_bns = {\n--\ndrivers/accessibility/speakup/speakup_bns.c-115-\t},\ndrivers/accessibility/speakup/speakup_bns.c:116:\t.attributes = {\ndrivers/accessibility/speakup/speakup_bns.c-117-\t\t.attrs = synth_attrs,\n--\ndrivers/accessibility/speakup/speakup_decext.c=115=static struct spk_synth synth_decext = {\n--\ndrivers/accessibility/speakup/speakup_decext.c-146-\t},\ndrivers/accessibility/speakup/speakup_decext.c:147:\t.attributes = {\ndrivers/accessibility/speakup/speakup_decext.c-148-\t\t.attrs = synth_attrs,\n--\ndrivers/accessibility/speakup/speakup_decpc.c=213=static struct spk_synth synth_dec_pc = {\n--\ndrivers/accessibility/speakup/speakup_decpc.c-242-\t},\ndrivers/accessibility/speakup/speakup_decpc.c:243:\t.attributes = {\ndrivers/accessibility/speakup/speakup_decpc.c-244-\t\t.attrs = synth_attrs,\n--\ndrivers/accessibility/speakup/speakup_dectlk.c=122=static struct spk_synth synth_dectlk = {\n--\ndrivers/accessibility/speakup/speakup_dectlk.c-155-\t},\ndrivers/accessibility/speakup/speakup_dectlk.c:156:\t.attributes = {\ndrivers/accessibility/speakup/speakup_dectlk.c-157-\t\t.attrs = synth_attrs,\n--\ndrivers/accessibility/speakup/speakup_dtlk.c=119=static struct spk_synth synth_dtlk = {\n--\ndrivers/accessibility/speakup/speakup_dtlk.c-148-\t},\ndrivers/accessibility/speakup/speakup_dtlk.c:149:\t.attributes = {\ndrivers/accessibility/speakup/speakup_dtlk.c-150-\t\t.attrs = synth_attrs,\n--\ndrivers/accessibility/speakup/speakup_dummy.c=105=static struct spk_synth synth_dummy = {\n--\ndrivers/accessibility/speakup/speakup_dummy.c-135-\t},\ndrivers/accessibility/speakup/speakup_dummy.c:136:\t.attributes = {\ndrivers/accessibility/speakup/speakup_dummy.c-137-\t\t.attrs = synth_attrs,\n--\ndrivers/accessibility/speakup/speakup_keypc.c=94=static struct spk_synth synth_keypc = {\n--\ndrivers/accessibility/speakup/speakup_keypc.c-123-\t},\ndrivers/accessibility/speakup/speakup_keypc.c:124:\t.attributes = {\ndrivers/accessibility/speakup/speakup_keypc.c-125-\t\t.attrs = synth_attrs,\n--\ndrivers/accessibility/speakup/speakup_ltlk.c=101=static struct spk_synth synth_ltlk = {\n--\ndrivers/accessibility/speakup/speakup_ltlk.c-131-\t},\ndrivers/accessibility/speakup/speakup_ltlk.c:132:\t.attributes = {\ndrivers/accessibility/speakup/speakup_ltlk.c-133-\t\t.attrs = synth_attrs,\n--\ndrivers/accessibility/speakup/speakup_soft.c=128=static struct spk_synth synth_soft = {\n--\ndrivers/accessibility/speakup/speakup_soft.c-156-\t},\ndrivers/accessibility/speakup/speakup_soft.c:157:\t.attributes = {\ndrivers/accessibility/speakup/speakup_soft.c-158-\t\t.attrs = synth_attrs,\n--\ndrivers/accessibility/speakup/speakup_spkout.c=92=static struct spk_synth synth_spkout = {\n--\ndrivers/accessibility/speakup/speakup_spkout.c-122-\t},\ndrivers/accessibility/speakup/speakup_spkout.c:123:\t.attributes = {\ndrivers/accessibility/speakup/speakup_spkout.c-124-\t\t.attrs = synth_attrs,\n--\ndrivers/accessibility/speakup/speakup_txprt.c=90=static struct spk_synth synth_txprt = {\n--\ndrivers/accessibility/speakup/speakup_txprt.c-120-\t},\ndrivers/accessibility/speakup/speakup_txprt.c:121:\t.attributes = {\ndrivers/accessibility/speakup/speakup_txprt.c-122-\t\t.attrs = synth_attrs,\n--\ndrivers/firmware/efi/libstub/x86-stub.c=367=efi_status_t efi_adjust_memory_range_protection(unsigned long start,\n--\ndrivers/firmware/efi/libstub/x86-stub.c-423-\t\t     desc.gcd_memory_type != EfiGcdMemoryTypeMoreReliable) ||\ndrivers/firmware/efi/libstub/x86-stub.c:424:\t\t    (desc.attributes \u0026 (EFI_MEMORY_RO | EFI_MEMORY_XP)) == 0)\ndrivers/firmware/efi/libstub/x86-stub.c-425-\t\t\tcontinue;\n--\ndrivers/firmware/efi/test/efi_test.c=139=static long efi_runtime_get_variable(unsigned long arg)\n--\ndrivers/firmware/efi/test/efi_test.c-171-\ndrivers/firmware/efi/test/efi_test.c:172:\tat = getvariable.attributes ? \u0026attr : NULL;\ndrivers/firmware/efi/test/efi_test.c-173-\tdz = getvariable.data_size ? \u0026datasize : NULL;\n--\ndrivers/firmware/efi/test/efi_test.c-214-\ndrivers/firmware/efi/test/efi_test.c:215:\tif (at \u0026\u0026 put_user(attr, getvariable.attributes)) {\ndrivers/firmware/efi/test/efi_test.c-216-\t\trv = -EFAULT;\n--\ndrivers/firmware/efi/test/efi_test.c=229=static long efi_runtime_set_variable(unsigned long arg)\n--\ndrivers/firmware/efi/test/efi_test.c-259-\tstatus = efi.set_variable(name, \u0026vendor_guid,\ndrivers/firmware/efi/test/efi_test.c:260:\t\t\t\tsetvariable.attributes,\ndrivers/firmware/efi/test/efi_test.c-261-\t\t\t\tsetvariable.data_size, data);\n--\ndrivers/firmware/efi/test/efi_test.c=563=static long efi_runtime_query_variableinfo(unsigned long arg)\n--\ndrivers/firmware/efi/test/efi_test.c-575-\ndrivers/firmware/efi/test/efi_test.c:576:\tstatus = efi.query_variable_info(queryvariableinfo.attributes,\ndrivers/firmware/efi/test/efi_test.c-577-\t\t\t\t\t \u0026max_storage, \u0026remaining, \u0026max_size);\n--\ndrivers/firmware/google/gsmi.c=432=static efi_status_t gsmi_set_variable(efi_char16_t *name,\n--\ndrivers/firmware/google/gsmi.c-441-\t\t.data_len = (u32)data_size,\ndrivers/firmware/google/gsmi.c:442:\t\t.attributes = EFI_VARIABLE_NON_VOLATILE |\ndrivers/firmware/google/gsmi.c-443-\t\t\t      EFI_VARIABLE_BOOTSERVICE_ACCESS |\n--\ndrivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c=731=void hwss_build_fast_sequence(struct dc *dc,\n--\ndrivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c-880-\t\t\t\tcurrent_pipe-\u003eplane_res.hubp;\ndrivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c:881:\t\t\tblock_sequence[*num_steps].params.hubp_set_cursor_attributes_params.attributes =\ndrivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c-882-\t\t\t\t\u0026current_pipe-\u003estream-\u003ecursor_attributes;\n--\ndrivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c-887-\t\t\t\tcurrent_pipe-\u003eplane_res.dpp;\ndrivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c:888:\t\t\tblock_sequence[*num_steps].params.dpp_set_cursor_attributes_params.attributes =\ndrivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c-889-\t\t\t\t\u0026current_pipe-\u003estream-\u003ecursor_attributes;\n--\ndrivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c=3568=void hwss_hubp_set_cursor_attributes(union block_sequence_params *params)\n--\ndrivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c-3570-\tstruct hubp *hubp = params-\u003ehubp_set_cursor_attributes_params.hubp;\ndrivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c:3571:\tconst struct dc_cursor_attributes *attributes = params-\u003ehubp_set_cursor_attributes_params.attributes;\ndrivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c-3572-\n--\ndrivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c=3577=void hwss_dpp_set_cursor_attributes(union block_sequence_params *params)\n--\ndrivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c-3579-\tstruct dpp *dpp = params-\u003edpp_set_cursor_attributes_params.dpp;\ndrivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c:3580:\tstruct dc_cursor_attributes *attributes = params-\u003edpp_set_cursor_attributes_params.attributes;\ndrivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c-3581-\n--\ndrivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c=4692=void hwss_add_hubp_set_cursor_attributes(struct block_sequence_state *seq_state,\n--\ndrivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c-4698-\t\tseq_state-\u003esteps[*seq_state-\u003enum_steps].params.hubp_set_cursor_attributes_params.hubp = hubp;\ndrivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c:4699:\t\tseq_state-\u003esteps[*seq_state-\u003enum_steps].params.hubp_set_cursor_attributes_params.attributes = attributes;\ndrivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c-4700-\t\t(*seq_state-\u003enum_steps)++;\n--\ndrivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c=4704=void hwss_add_dpp_set_cursor_attributes(struct block_sequence_state *seq_state,\n--\ndrivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c-4710-\t\tseq_state-\u003esteps[*seq_state-\u003enum_steps].params.dpp_set_cursor_attributes_params.dpp = dpp;\ndrivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c:4711:\t\tseq_state-\u003esteps[*seq_state-\u003enum_steps].params.dpp_set_cursor_attributes_params.attributes = attributes;\ndrivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c-4712-\t\t(*seq_state-\u003enum_steps)++;\n--\ndrivers/net/wireless/ti/wl1251/acx.c=828=int wl1251_acx_mem_cfg(struct wl1251 *wl)\n--\ndrivers/net/wireless/ti/wl1251/acx.c-857-\t\tmem_conf-\u003etx_queue_config[i].num_descs = ACX_TX_DESC_DEF;\ndrivers/net/wireless/ti/wl1251/acx.c:858:\t\tmem_conf-\u003etx_queue_config[i].attributes = i;\ndrivers/net/wireless/ti/wl1251/acx.c-859-\t}\n--\ndrivers/nvme/host/core.c=840=static blk_status_t nvme_setup_discard(struct nvme_ns *ns, struct request *req,\n--\ndrivers/nvme/host/core.c-901-\tcmnd-\u003edsm.nr = cpu_to_le32(segments - 1);\ndrivers/nvme/host/core.c:902:\tcmnd-\u003edsm.attributes = cpu_to_le32(NVME_DSMGMT_AD);\ndrivers/nvme/host/core.c-903-\n--\ndrivers/nvme/target/io-cmd-bdev.c=410=static void nvmet_bdev_execute_dsm(struct nvmet_req *req)\n--\ndrivers/nvme/target/io-cmd-bdev.c-414-\ndrivers/nvme/target/io-cmd-bdev.c:415:\tswitch (le32_to_cpu(req-\u003ecmd-\u003edsm.attributes)) {\ndrivers/nvme/target/io-cmd-bdev.c-416-\tcase NVME_DSMGMT_AD:\n--\ndrivers/nvme/target/io-cmd-file.c=307=static void nvmet_file_dsm_work(struct work_struct *w)\n--\ndrivers/nvme/target/io-cmd-file.c-310-\ndrivers/nvme/target/io-cmd-file.c:311:\tswitch (le32_to_cpu(req-\u003ecmd-\u003edsm.attributes)) {\ndrivers/nvme/target/io-cmd-file.c-312-\tcase NVME_DSMGMT_AD:\n--\ndrivers/s390/char/con3270.c=1329=static void tty3270_insert_characters(struct tty3270 *tp, int n)\n--\ndrivers/s390/char/con3270.c-1346-\t\tline-\u003ecells[tp-\u003ecx + n].character = ' ';\ndrivers/s390/char/con3270.c:1347:\t\tline-\u003ecells[tp-\u003ecx + n].attributes = tp-\u003eattributes;\ndrivers/s390/char/con3270.c-1348-\t}\n--\ndrivers/s390/crypto/pkey_api.c=276=static int pkey_ioctl_verifykey(struct pkey_verifykey __user *uvk)\n--\ndrivers/s390/crypto/pkey_api.c-293-\t\trc = -EINVAL;\ndrivers/s390/crypto/pkey_api.c:294:\tkvk.attributes = PKEY_VERIFY_ATTR_AES;\ndrivers/s390/crypto/pkey_api.c-295-\tkvk.keysize = (u16)keybitsize;\ndrivers/s390/crypto/pkey_api.c-296-\tif (flags \u0026 PKEY_FLAGS_MATCH_ALT_MKVP)\ndrivers/s390/crypto/pkey_api.c:297:\t\tkvk.attributes |= PKEY_VERIFY_ATTR_OLD_MKVP;\ndrivers/s390/crypto/pkey_api.c-298-\tif (!rc \u0026\u0026 copy_to_user(uvk, \u0026kvk, sizeof(kvk)))\n--\ndrivers/usb/typec/ucsi/psy.c=35=static int ucsi_psy_get_scope(struct ucsi_connector *con,\n--\ndrivers/usb/typec/ucsi/psy.c-45-\ndrivers/usb/typec/ucsi/psy.c:46:\t\tif (con-\u003eucsi-\u003ecap.attributes \u0026 mask)\ndrivers/usb/typec/ucsi/psy.c-47-\t\t\tscope = POWER_SUPPLY_SCOPE_SYSTEM;\n--\ndrivers/video/sticore.c=431=static void sti_dump_outptr(struct sti_struct *sti)\n--\ndrivers/video/sticore.c-439-\t\t sti-\u003esti_data-\u003einq_outptr.planes,\ndrivers/video/sticore.c:440:\t\t sti-\u003esti_data-\u003einq_outptr.attributes);\ndrivers/video/sticore.c-441-}\n--\nfs/orangefs/namei.c=18=static int orangefs_create(struct mnt_idmap *idmap,\n--\nfs/orangefs/namei.c-40-\nfs/orangefs/namei.c:41:\tfill_default_sys_attrs(new_op-\u003eupcall.req.create.attributes, mode);\nfs/orangefs/namei.c-42-\n--\nfs/orangefs/namei.c=215=static int orangefs_symlink(struct mnt_idmap *idmap,\n--\nfs/orangefs/namei.c-241-\nfs/orangefs/namei.c:242:\tfill_default_sys_attrs(new_op-\u003eupcall.req.sym.attributes, mode);\nfs/orangefs/namei.c-243-\n--\nfs/orangefs/namei.c=300=static struct dentry *orangefs_mkdir(struct mnt_idmap *idmap, struct inode *dir,\n--\nfs/orangefs/namei.c-315-\nfs/orangefs/namei.c:316:\tfill_default_sys_attrs(new_op-\u003eupcall.req.mkdir.attributes, mode);\nfs/orangefs/namei.c-317-\n--\nfs/orangefs/orangefs-utils.c=236=int orangefs_inode_getattr(struct inode *inode, int flags)\n--\nfs/orangefs/orangefs-utils.c-301-\t\tret = orangefs_inode_is_stale(inode,\nfs/orangefs/orangefs-utils.c:302:\t\t    \u0026new_op-\u003edowncall.resp.getattr.attributes,\nfs/orangefs/orangefs-utils.c-303-\t\t    new_op-\u003edowncall.resp.getattr.link_target);\n--\nfs/orangefs/orangefs-utils.c-310-\ttype = orangefs_inode_type(new_op-\u003e\nfs/orangefs/orangefs-utils.c:311:\t    downcall.resp.getattr.attributes.objtype);\nfs/orangefs/orangefs-utils.c-312-\tswitch (type) {\n--\nfs/orangefs/orangefs-utils.c-314-\t\tinode-\u003ei_flags = orangefs_inode_flags(\u0026new_op-\u003e\nfs/orangefs/orangefs-utils.c:315:\t\t    downcall.resp.getattr.attributes);\nfs/orangefs/orangefs-utils.c-316-\t\tif (flags) {\nfs/orangefs/orangefs-utils.c-317-\t\t\tinode_size = (loff_t)new_op-\u003e\nfs/orangefs/orangefs-utils.c:318:\t\t\t    downcall.resp.getattr.attributes.size;\nfs/orangefs/orangefs-utils.c-319-\t\t\tinode-\u003ei_size = inode_size;\n--\nfs/orangefs/orangefs-utils.c-356-\tinode-\u003ei_uid = make_kuid(\u0026init_user_ns, new_op-\u003e\nfs/orangefs/orangefs-utils.c:357:\t    downcall.resp.getattr.attributes.owner);\nfs/orangefs/orangefs-utils.c-358-\tinode-\u003ei_gid = make_kgid(\u0026init_user_ns, new_op-\u003e\nfs/orangefs/orangefs-utils.c:359:\t    downcall.resp.getattr.attributes.group);\nfs/orangefs/orangefs-utils.c-360-\tinode_set_atime(inode,\nfs/orangefs/orangefs-utils.c:361:\t\t\t(time64_t)new_op-\u003edowncall.resp.getattr.attributes.atime,\nfs/orangefs/orangefs-utils.c-362-\t\t\t0);\nfs/orangefs/orangefs-utils.c-363-\tinode_set_mtime(inode,\nfs/orangefs/orangefs-utils.c:364:\t\t\t(time64_t)new_op-\u003edowncall.resp.getattr.attributes.mtime,\nfs/orangefs/orangefs-utils.c-365-\t\t\t0);\nfs/orangefs/orangefs-utils.c-366-\tinode_set_ctime(inode,\nfs/orangefs/orangefs-utils.c:367:\t\t\t(time64_t)new_op-\u003edowncall.resp.getattr.attributes.ctime,\nfs/orangefs/orangefs-utils.c-368-\t\t\t0);\n--\nfs/orangefs/orangefs-utils.c-371-\tinode-\u003ei_mode = type | (is_root_handle(inode) ? S_ISVTX : 0) |\nfs/orangefs/orangefs-utils.c:372:\t    orangefs_inode_perms(\u0026new_op-\u003edowncall.resp.getattr.attributes);\nfs/orangefs/orangefs-utils.c-373-\n--\nfs/orangefs/orangefs-utils.c=384=int orangefs_inode_check_changed(struct inode *inode)\n--\nfs/orangefs/orangefs-utils.c-405-\tret = orangefs_inode_is_stale(inode,\nfs/orangefs/orangefs-utils.c:406:\t    \u0026new_op-\u003edowncall.resp.getattr.attributes,\nfs/orangefs/orangefs-utils.c-407-\t    new_op-\u003edowncall.resp.getattr.link_target);\n--\nfs/orangefs/orangefs-utils.c=417=int orangefs_inode_setattr(struct inode *inode)\n--\nfs/orangefs/orangefs-utils.c-431-\tcopy_attributes_from_inode(inode,\nfs/orangefs/orangefs-utils.c:432:\t    \u0026new_op-\u003eupcall.req.setattr.attributes);\nfs/orangefs/orangefs-utils.c-433-\torangefs_inode-\u003eattr_valid = 0;\nfs/orangefs/orangefs-utils.c:434:\tif (!new_op-\u003eupcall.req.setattr.attributes.mask) {\nfs/orangefs/orangefs-utils.c-435-\t\tspin_unlock(\u0026inode-\u003ei_lock);\n--\ninclude/linux/cacheinfo.h=122=static inline struct cacheinfo *get_cpu_cacheinfo_level(int cpu, int level)\n--\ninclude/linux/cacheinfo.h-130-\t\tif (ci-\u003einfo_list[i].level == level) {\ninclude/linux/cacheinfo.h:131:\t\t\tif (ci-\u003einfo_list[i].attributes \u0026 CACHE_ID)\ninclude/linux/cacheinfo.h-132-\t\t\t\treturn \u0026ci-\u003einfo_list[i];\n--\nsound/pci/asihpi/hpifunc.c=284=u16 hpi_format_create(struct hpi_format *p_format, u16 channels, u16 format,\n--\nsound/pci/asihpi/hpifunc.c-368-\t\t}\nsound/pci/asihpi/hpifunc.c:369:\t\tfmt.attributes = attributes;\nsound/pci/asihpi/hpifunc.c-370-\t\tbreak;\nsound/pci/asihpi/hpifunc.c-371-\tdefault:\nsound/pci/asihpi/hpifunc.c:372:\t\tfmt.attributes = attributes;\nsound/pci/asihpi/hpifunc.c-373-\t}\n--\nsound/pci/asihpi/hpifunc.c=1026=u16 hpi_instream_ancillary_reset(u32 h_instream, u16 bytes_per_frame,\n--\nsound/pci/asihpi/hpifunc.c-1034-\t\treturn HPI_ERROR_INVALID_HANDLE;\nsound/pci/asihpi/hpifunc.c:1035:\thm.u.d.u.data.format.attributes = bytes_per_frame;\nsound/pci/asihpi/hpifunc.c-1036-\thm.u.d.u.data.format.format = (mode \u003c\u003c 8) | (alignment \u0026 0xff);\n--\nsound/soc/intel/avs/core.c=815=static const struct avs_spec skl_desc = {\n--\nsound/soc/intel/avs/core.c-819-\t.core_init_mask = 1,\nsound/soc/intel/avs/core.c:820:\t.attributes = AVS_PLATATTR_CLDMA,\nsound/soc/intel/avs/core.c-821-\t.sram = \u0026skl_sram_spec,\n--\nsound/soc/intel/avs/core.c=825=static const struct avs_spec apl_desc = {\n--\nsound/soc/intel/avs/core.c-829-\t.core_init_mask = 3,\nsound/soc/intel/avs/core.c:830:\t.attributes = AVS_PLATATTR_IMR,\nsound/soc/intel/avs/core.c-831-\t.sram = \u0026apl_sram_spec,\n--\nsound/soc/intel/avs/core.c=835=static const struct avs_spec cnl_desc = {\n--\nsound/soc/intel/avs/core.c-839-\t.core_init_mask = 1,\nsound/soc/intel/avs/core.c:840:\t.attributes = AVS_PLATATTR_IMR,\nsound/soc/intel/avs/core.c-841-\t.sram = \u0026apl_sram_spec,\n--\nsound/soc/intel/avs/core.c=845=static const struct avs_spec icl_desc = {\n--\nsound/soc/intel/avs/core.c-849-\t.core_init_mask = 1,\nsound/soc/intel/avs/core.c:850:\t.attributes = AVS_PLATATTR_IMR,\nsound/soc/intel/avs/core.c-851-\t.sram = \u0026apl_sram_spec,\n--\nsound/soc/intel/avs/core.c=855=static const struct avs_spec jsl_desc = {\n--\nsound/soc/intel/avs/core.c-859-\t.core_init_mask = 1,\nsound/soc/intel/avs/core.c:860:\t.attributes = AVS_PLATATTR_IMR,\nsound/soc/intel/avs/core.c-861-\t.sram = \u0026apl_sram_spec,\n--\nsound/soc/intel/avs/core.c=866=static const struct avs_spec sname##_desc = {\t\\\n--\nsound/soc/intel/avs/core.c-870-\t.core_init_mask = 1,\t\t\t\\\nsound/soc/intel/avs/core.c:871:\t.attributes = AVS_PLATATTR_IMR,\t\t\\\nsound/soc/intel/avs/core.c-872-\t.sram = \u0026apl_sram_spec,\t\t\t\\\n--\nsound/soc/intel/avs/core.c=882=static const struct avs_spec fcl_desc = {\n--\nsound/soc/intel/avs/core.c-886-\t.core_init_mask = 1,\nsound/soc/intel/avs/core.c:887:\t.attributes = AVS_PLATATTR_IMR | AVS_PLATATTR_ACE | AVS_PLATATTR_ALTHDA,\nsound/soc/intel/avs/core.c-888-\t.sram = \u0026mtl_sram_spec,\n--\nsound/soc/intel/avs/messages.c=67=int avs_ipc_create_pipeline(struct avs_dev *adev, u16 req_size, u8 priority,\n--\nsound/soc/intel/avs/messages.c-76-\tmsg.ext.create_ppl.lp = lp;\nsound/soc/intel/avs/messages.c:77:\tmsg.ext.create_ppl.attributes = attributes;\nsound/soc/intel/avs/messages.c-78-\trequest.header = msg.val;\n--\nsound/usb/quirks-table.h-137-\t\t\t.ep_attr = USB_ENDPOINT_XFER_ISOC,\nsound/usb/quirks-table.h:138:\t\t\t.attributes = 0,\nsound/usb/quirks-table.h-139-\t\t\t.rates = SNDRV_PCM_RATE_CONTINUOUS,\n--\nsound/usb/quirks-table.h=441=YAMAHA_DEVICE(0x7010, \"UB99\"),\n--\nsound/usb/quirks-table.h-471-\t\t\t\t\t.altset_idx = 1,\nsound/usb/quirks-table.h:472:\t\t\t\t\t.attributes = 0,\nsound/usb/quirks-table.h-473-\t\t\t\t\t.endpoint = 0x01,\n--\nsound/usb/quirks-table.h-486-\t\t\t\t\t.altset_idx = 1,\nsound/usb/quirks-table.h:487:\t\t\t\t\t.attributes = UAC_EP_CS_ATTR_FILL_MAX,\nsound/usb/quirks-table.h-488-\t\t\t\t\t.endpoint = 0x81,\n--\nsound/usb/quirks-table.h-796-\t\t\t\t\t.altset_idx = 1,\nsound/usb/quirks-table.h:797:\t\t\t\t\t.attributes = 0,\nsound/usb/quirks-table.h-798-\t\t\t\t\t.endpoint = 0x01,\n--\nsound/usb/quirks-table.h-811-\t\t\t\t\t.altset_idx = 1,\nsound/usb/quirks-table.h:812:\t\t\t\t\t.attributes = 0,\nsound/usb/quirks-table.h-813-\t\t\t\t\t.endpoint = 0x82,\n--\nsound/usb/quirks-table.h-1599-\t\t\t\t\t.altset_idx = 1,\nsound/usb/quirks-table.h:1600:\t\t\t\t\t.attributes = UAC_EP_CS_ATTR_SAMPLE_RATE,\nsound/usb/quirks-table.h-1601-\t\t\t\t\t.endpoint = 0x01,\n--\nsound/usb/quirks-table.h-1623-\t\t\t\t\t.altset_idx = 1,\nsound/usb/quirks-table.h:1624:\t\t\t\t\t.attributes = UAC_EP_CS_ATTR_SAMPLE_RATE,\nsound/usb/quirks-table.h-1625-\t\t\t\t\t.endpoint = 0x81,\n--\n\n"
}

gemini-3.1-pro-preview

null

null

							input: 17533
							output: 30
							thoughts: 62
						

**Investigating Unused Code and Attribute Access**

Okay, so I've spotted something immediately: it looks like `gpt_entry_attributes` isn't actually being utilized anywhere in the codebase. That's always a red flag – unused code is often a symptom of something, and it's worth understanding the implications.

Now, my next thought is, what about the `attributes` field *within* `gpt_entry` itself? It's possible we have a related issue, or perhaps `gpt_entry_attributes` was intended as a standalone structure, and the logic was reworked. So, I need to investigate where `gpt_entry` is actually *used*.

My primary focus is on `block/partitions/efi.c` since that's where GPT partitioning is typically handled. I need to quickly determine if `gpt_entry` is used there, and, crucially, if the `attributes` field is being accessed. Knowing that will give me a better understanding of whether this unused variable is an orphan, a legacy piece, or if it has some subtle connection to the main logic.

no matches

{
  "Expression": "pte-\u003eattributes",
  "PathPrefix": "block/partitions/efi.c"
}

{
  "error": "no matches"
}

gemini-3.1-pro-preview

null

null

							input: 17870
							output: 34
							thoughts: 16
						

Okay, here's my take on those thoughts, tailored for an expert audience:

**Debugging Memory Attributes**

Right, let's dive into this. My initial instinct, given the context, is to zero in on the memory attribute structures. I'd start by inspecting something like `pte\[.*\]\.attributes`—or perhaps a similar naming convention used in the specific architecture or kernel I'm working with. The `.*` acts as a wildcard; I need to be flexible and account for potential variations in the exact field name. The goal is to identify how these memory attributes are set and what their current values are, because those attributes are the key to understanding the observed behavior. It seems like it will be some kind of PTE (Page Table Entry) attribute that is causing the problem. I need to figure out what values it should be set to to solve the issue.

no matches

{
  "Expression": "ptes\\[.*\\]\\.attributes",
  "PathPrefix": "block/partitions/efi.c"
}

{
  "error": "no matches"
}

gemini-3.1-pro-preview

null

null

							input: 18116
							output: 28
							thoughts: 22
						

Okay, here's my summary, taking the perspective of someone knowledgeable in the field and processing this information:

**Analyzing `block/partitions/efi.c` Usage of `attributes`**

Alright, let's zero in on `block/partitions/efi.c`. My immediate thought is, I need to verify how the code in this file interacts with the `attributes` variable. Is it even referenced? Does the code rely on reading or modifying these attributes? Knowing this will help me understand its role and whether it's essential for the logic. I need a clear picture of its usage within this specific partitioning context to assess potential impacts or dependencies. I need to know the scope and how it is used to assess if this a potential security flaw.

no matches

{
  "Expression": "attributes",
  "PathPrefix": "block/partitions/efi.c"
}

{
  "error": "no matches"
}

gemini-3.1-pro-preview

null

null

							input: 18336
							output: 23
							thoughts: 24
						

Okay, here's my take on those thoughts, framed as an expert's internal monologue:

**Investigating EFI Partition Attribute Usage**

Alright, let's see... the code's pointing me at `block/partitions/efi.c`. The first thing that jumps out is the comment mentioning "attributes." It's suggesting `attributes` *aren't* being directly used in this specific file, which is interesting.

Now, that immediately raises a red flag in my mind. If `attributes` aren't accessed *here*, that doesn't mean they aren't crucial. This suggests that they are used elsewhere, because why else would they be mentioned here? I should make a note to check how the attributes are used, and whether their being omitted here is a sign.

I need to confirm if there are any other files or functions that rely on this data. A quick search of the codebase would be my next logical step. I'll need to use my preferred search tools and maybe some grepping to see the other files where the `attributes` variable or struct might be referenced. This is an important detail, and I need to know where it's being used. If it's not being used, then that's a different problem altogether!

{
  "Expression": "gpt_entry",
  "PathPrefix": ""
}

{
  "Output": "block/partitions/efi.c=234=static size_t read_lba(struct parsed_partitions *state,\n--\nblock/partitions/efi.c-269- */\nblock/partitions/efi.c:270:static gpt_entry *alloc_read_gpt_entries(struct parsed_partitions *state,\nblock/partitions/efi.c-271-\t\t\t\t\t gpt_header *gpt)\n--\nblock/partitions/efi.c-273-\tsize_t count;\nblock/partitions/efi.c:274:\tgpt_entry *pte;\nblock/partitions/efi.c-275-\n--\nblock/partitions/efi.c=334=static int is_gpt_valid(struct parsed_partitions *state, u64 lba,\nblock/partitions/efi.c:335:\t\t\tgpt_header **gpt, gpt_entry **ptes)\nblock/partitions/efi.c-336-{\n--\nblock/partitions/efi.c-414-\t/* Check that sizeof_partition_entry has the correct value */\nblock/partitions/efi.c:415:\tif (le32_to_cpu((*gpt)-\u003esizeof_partition_entry) != sizeof(gpt_entry)) {\nblock/partitions/efi.c-416-\t\tpr_debug(\"GUID Partition Entry Size check failed.\\n\");\n--\nblock/partitions/efi.c=459=static inline int\nblock/partitions/efi.c:460:is_pte_valid(const gpt_entry *pte, const u64 lastlba)\nblock/partitions/efi.c-461-{\n--\nblock/partitions/efi.c=580=static int find_valid_gpt(struct parsed_partitions *state, gpt_header **gpt,\nblock/partitions/efi.c:581:\t\t\t  gpt_entry **ptes)\nblock/partitions/efi.c-582-{\n--\nblock/partitions/efi.c-584-\tgpt_header *pgpt = NULL, *agpt = NULL;\nblock/partitions/efi.c:585:\tgpt_entry *pptes = NULL, *aptes = NULL;\nblock/partitions/efi.c-586-\tlegacy_mbr *legacymbr;\n--\nblock/partitions/efi.c=712=int efi_partition(struct parsed_partitions *state)\n--\nblock/partitions/efi.c-714-\tgpt_header *gpt = NULL;\nblock/partitions/efi.c:715:\tgpt_entry *ptes = NULL;\nblock/partitions/efi.c-716-\tu32 i;\n--\nblock/partitions/efi.h=55=typedef struct _gpt_header {\n--\nblock/partitions/efi.h-77-\nblock/partitions/efi.h:78:typedef struct _gpt_entry {\nblock/partitions/efi.h-79-\tefi_guid_t partition_type_guid;\n--\nblock/partitions/efi.h-84-\t__le16 partition_name[72/sizeof(__le16)];\nblock/partitions/efi.h:85:} __packed gpt_entry;\nblock/partitions/efi.h-86-\n"
}

gemini-3.1-pro-preview

null

null

							input: 19443
							output: 27
							thoughts: 481
						

**Analyzing Potential Impacts of a GPT Entry Structure Change**

Okay, so I'm looking at this code and specifically at `gpt_entry`. It looks like `gpt_entry` is only used within the `block/partitions/efi.c` and `.h` files. Initially, my concern was sparked by the seemingly unused `attributes` field within the `gpt_entry` struct. I wondered if the change in how `gpt_entry_attributes` was defined could affect the overall size of `gpt_entry` given that `sizeof(gpt_entry)` *is* used. My initial thought was that a bitfield, depending on the architecture and compiler, could result in size or alignment differences.

However, a quick check of the definition of `gpt_entry_attributes` reveals the `__packed` attribute. This confirms that the structure is indeed 8 bytes. Going a step further to double-check, I can see that the struct `gpt_entry` itself is also `__packed`.

So, the new struct `gpt_entry` definition using `__packed` should be: 16 (for partition_type_guid) + 16 (for unique_partition_guid) + 8 + 8 + 8 (attributes) + 72 = 128 bytes. The old definition, with `__le64 attributes;`, would also have been 128 bytes. The `sizeof(gpt_entry)` is therefore identical. There's no size change at all.

However, I started to think about the broader implications of this field being a bitfield, particularly since it's a `u64`. Bitfields of this size can sometimes be problematic in C, potentially leading to warnings depending on the compiler used, or more significantly, introducing endianness issues. But, wait...the critical point here is that the `gpt_entry_attributes` field itself is *never* accessed. Therefore, the endianness of the bitfield doesn't matter, and there is no functional change.

Still, to be completely thorough, I should look at all other files that include `block/partitions/efi.h`, just to be certain that I am seeing the complete picture.

{
  "Expression": "efi\\.h",
  "PathPrefix": "block/partitions/"
}

{
  "Output": "block/partitions/efi.c-90-#include \"check.h\"\nblock/partitions/efi.c:91:#include \"efi.h\"\nblock/partitions/efi.c-92-\n--\nblock/partitions/efi.h-4- * Per Intel EFI Specification v1.02\nblock/partitions/efi.h:5: * http://developer.intel.com/technology/efi/efi.htm\nblock/partitions/efi.h-6- *\n--\nblock/partitions/efi.h-18-#include \u003clinux/string.h\u003e\nblock/partitions/efi.h:19:#include \u003clinux/efi.h\u003e\nblock/partitions/efi.h-20-#include \u003clinux/compiler.h\u003e\n--\nblock/partitions/msdos.c-31-#include \"check.h\"\nblock/partitions/msdos.c:32:#include \"efi.h\"\nblock/partitions/msdos.c-33-\n"
}

gemini-3.1-pro-preview

null

null

							input: 20654
							output: 29
							thoughts: 22
						

Okay, let's dive into this. Here's how I'd approach this task, as if these were my internal thoughts:

**Investigating MSDOS Partition Attribute Access**

Alright, I need to understand if the `block/partitions/msdos.c` code is interacting with the `attributes` field in the context of MSDOS partition tables. That's the crux of this investigation. Specifically, I should probably check the source code for the file `block/partitions/msdos.c`. This is where the core logic for handling MSDOS-formatted partition tables resides, so if there's any access to attributes, it's highly likely to be found here. My goal is to confirm or deny this attribute interaction. I will now examine this file in detail.

no matches

{
  "Expression": "attributes",
  "PathPrefix": "block/partitions/msdos.c"
}

{
  "error": "no matches"
}

gemini-3.1-pro-preview

null

null

							input: 20882
							output: 34
							thoughts: 79
						

**Analyzing a Seemingly Useless Patch**

Okay, so I'm looking at this code and immediately I see this variable... it's just *never* used. That's a bit perplexing. The question is, why was this patch even submitted? What's the rationale?

My initial thoughts are, was it something subtle? Did the compiler start throwing up sparse warnings or trigger bitfield-related warnings? That's a possibility, but I'm not totally convinced. Or, perhaps it's simply a cleanup effort, someone streamlining the codebase. But wait... if it's genuinely inaccessible, then functionally, nothing actually *changed*. That simplifies things, but I need to be absolutely sure.

I'm going to quickly scan through `efi.h` to make sure there isn't some sneaky macro or inline function that might be indirectly using this value. Just want to make absolutely certain there are no surprises lurking in this file. Gotta dot the i's and cross the t's before moving on.

{
  "File": "block/partitions/efi.h",
  "FirstLine": 1,
  "LineCount": 100
}

{
  "Contents": "   1:\t/* SPDX-License-Identifier: GPL-2.0-or-later */\n   2:\t/************************************************************\n   3:\t * EFI GUID Partition Table\n   4:\t * Per Intel EFI Specification v1.02\n   5:\t * http://developer.intel.com/technology/efi/efi.htm\n   6:\t *\n   7:\t * By Matt Domsch \u003cMatt_Domsch@dell.com\u003e  Fri Sep 22 22:15:56 CDT 2000  \n   8:\t *   Copyright 2000,2001 Dell Inc.\n   9:\t ************************************************************/\n  10:\t\n  11:\t#ifndef FS_PART_EFI_H_INCLUDED\n  12:\t#define FS_PART_EFI_H_INCLUDED\n  13:\t\n  14:\t#include \u003clinux/types.h\u003e\n  15:\t#include \u003clinux/fs.h\u003e\n  16:\t#include \u003clinux/kernel.h\u003e\n  17:\t#include \u003clinux/major.h\u003e\n  18:\t#include \u003clinux/string.h\u003e\n  19:\t#include \u003clinux/efi.h\u003e\n  20:\t#include \u003clinux/compiler.h\u003e\n  21:\t\n  22:\t#define MSDOS_MBR_SIGNATURE 0xaa55\n  23:\t#define EFI_PMBR_OSTYPE_EFI 0xEF\n  24:\t#define EFI_PMBR_OSTYPE_EFI_GPT 0xEE\n  25:\t\n  26:\t#define GPT_MBR_PROTECTIVE  1\n  27:\t#define GPT_MBR_HYBRID      2\n  28:\t\n  29:\t#define GPT_HEADER_SIGNATURE 0x5452415020494645ULL\n  30:\t#define GPT_HEADER_REVISION_V1 0x00010000\n  31:\t#define GPT_PRIMARY_PARTITION_TABLE_LBA 1\n  32:\t\n  33:\t#define PARTITION_SYSTEM_GUID \\\n  34:\t    EFI_GUID( 0xC12A7328, 0xF81F, 0x11d2, \\\n  35:\t              0xBA, 0x4B, 0x00, 0xA0, 0xC9, 0x3E, 0xC9, 0x3B) \n  36:\t#define LEGACY_MBR_PARTITION_GUID \\\n  37:\t    EFI_GUID( 0x024DEE41, 0x33E7, 0x11d3, \\\n  38:\t              0x9D, 0x69, 0x00, 0x08, 0xC7, 0x81, 0xF3, 0x9F)\n  39:\t#define PARTITION_MSFT_RESERVED_GUID \\\n  40:\t    EFI_GUID( 0xE3C9E316, 0x0B5C, 0x4DB8, \\\n  41:\t              0x81, 0x7D, 0xF9, 0x2D, 0xF0, 0x02, 0x15, 0xAE)\n  42:\t#define PARTITION_BASIC_DATA_GUID \\\n  43:\t    EFI_GUID( 0xEBD0A0A2, 0xB9E5, 0x4433, \\\n  44:\t              0x87, 0xC0, 0x68, 0xB6, 0xB7, 0x26, 0x99, 0xC7)\n  45:\t#define PARTITION_LINUX_RAID_GUID \\\n  46:\t    EFI_GUID( 0xa19d880f, 0x05fc, 0x4d3b, \\\n  47:\t              0xa0, 0x06, 0x74, 0x3f, 0x0f, 0x84, 0x91, 0x1e)\n  48:\t#define PARTITION_LINUX_SWAP_GUID \\\n  49:\t    EFI_GUID( 0x0657fd6d, 0xa4ab, 0x43c4, \\\n  50:\t              0x84, 0xe5, 0x09, 0x33, 0xc8, 0x4b, 0x4f, 0x4f)\n  51:\t#define PARTITION_LINUX_LVM_GUID \\\n  52:\t    EFI_GUID( 0xe6d6d379, 0xf507, 0x44c2, \\\n  53:\t              0xa2, 0x3c, 0x23, 0x8f, 0x2a, 0x3d, 0xf9, 0x28)\n  54:\t\n  55:\ttypedef struct _gpt_header {\n  56:\t\t__le64 signature;\n  57:\t\t__le32 revision;\n  58:\t\t__le32 header_size;\n  59:\t\t__le32 header_crc32;\n  60:\t\t__le32 reserved1;\n  61:\t\t__le64 my_lba;\n  62:\t\t__le64 alternate_lba;\n  63:\t\t__le64 first_usable_lba;\n  64:\t\t__le64 last_usable_lba;\n  65:\t\tefi_guid_t disk_guid;\n  66:\t\t__le64 partition_entry_lba;\n  67:\t\t__le32 num_partition_entries;\n  68:\t\t__le32 sizeof_partition_entry;\n  69:\t\t__le32 partition_entry_array_crc32;\n  70:\t\n  71:\t\t/* The rest of the logical block is reserved by UEFI and must be zero.\n  72:\t\t * EFI standard handles this by:\n  73:\t\t *\n  74:\t\t * uint8_t\t\treserved2[ BlockSize - 92 ];\n  75:\t\t */\n  76:\t} __packed gpt_header;\n  77:\t\n  78:\ttypedef struct _gpt_entry {\n  79:\t\tefi_guid_t partition_type_guid;\n  80:\t\tefi_guid_t unique_partition_guid;\n  81:\t\t__le64 starting_lba;\n  82:\t\t__le64 ending_lba;\n  83:\t\t__le64 attributes;\n  84:\t\t__le16 partition_name[72/sizeof(__le16)];\n  85:\t} __packed gpt_entry;\n  86:\t\n  87:\ttypedef struct _gpt_mbr_record {\n  88:\t\tu8\tboot_indicator; /* unused by EFI, set to 0x80 for bootable */\n  89:\t\tu8\tstart_head;     /* unused by EFI, pt start in CHS */\n  90:\t\tu8\tstart_sector;   /* unused by EFI, pt start in CHS */\n  91:\t\tu8\tstart_track;\n  92:\t\tu8\tos_type;        /* EFI and legacy non-EFI OS types */\n  93:\t\tu8\tend_head;       /* unused by EFI, pt end in CHS */\n  94:\t\tu8\tend_sector;     /* unused by EFI, pt end in CHS */\n  95:\t\tu8\tend_track;      /* unused by EFI, pt end in CHS */\n  96:\t\t__le32\tstarting_lba;   /* used by EFI - start addr of the on disk pt */\n  97:\t\t__le32\tsize_in_lba;    /* used by EFI - size of pt in LBA */\n  98:\t} __packed gpt_mbr_record;\n  99:\t\n 100:\t\n"
}

gemini-3.1-pro-preview

null

null

							input: 23258
							output: 32
							thoughts: 655
						

**Analyzing the GPT Entry Attribute Change**

Alright, let's break this down. I see that `gpt_entry` is defined in `block/partitions/efi.h`. The variable `attributes` within that struct is the specific thing I'm focused on. Initially, I'm thinking, "Is this actually *used* anywhere?" A quick grep didn't turn up anything in `block/partitions/` beyond the definition itself. I double-checked, grepping for `gpt_entry`, and confirmed its usage is limited to the `efi.c` and `efi.h` files within that directory. So, it really *is* never accessed, at least not directly. That's odd.

Why the change then? The original implementation of `gpt_entry_attributes` was a bitfield. Ah, the danger of bitfields! Mapping structures with bitfields directly to on-disk data is generally a no-no. Compiler behavior regarding bitfield packing can vary wildly between architectures and endianness. However, the kernel *never* reads or writes that field; the execution flow isn't impacted here.

But wait a second... `sizeof(gpt_entry)` is used in `block/partitions/efi.c` in a crucial size check:

```c
	if (le32_to_cpu((*gpt)->sizeof_partition_entry) != sizeof(gpt_entry)) {
		pr_debug("GUID Partition Entry Size check failed.\n");
```

If the size of `gpt_entry_attributes` was *different* due to the bitfield change, `sizeof(gpt_entry)` would have been affected and potentially broken the check! But, the original struct, `gpt_entry_attributes`, was:

```c
typedef struct _gpt_entry_attributes {
	u64 required_to_function:1;
	u64 reserved:47;
        u64 type_guid_specific:16;
} __packed gpt_entry_attributes;
```

It was a `u64` bitfield with a total of 64 bits with the `__packed` attribute to ensure no padding. So the size was 8 bytes before *and* after the change, making `sizeof(gpt_entry)` stay at 128 bytes in both cases. Is there *any* functional change then?

Hold on... even if the size remains the same, a bitfield `u64` might trigger compiler warnings, or even sparse errors. Also, and more importantly, the original `gpt_entry_attributes` wasn't using `__le64`. If it *were* read, it would be interpreted in host byte order, which is *wrong* for on-disk GPT data (little-endian). But since it's never read, it's not a problem.

Hmm, but *could* `gpt_entry` get copied to userspace? Let's check. If `gpt_entry` were exposed to userland, then this change *would* be interesting, but `block/partitions/efi.h` isn't in `include/uapi/`, so it's internal to the kernel. Is it exposed to userspace via some IOCTL? I'll need to check the code in `block/partitions/efi.c` to be certain.

no matches

{
  "Expression": "copy_to_user",
  "PathPrefix": "block/partitions/efi.c"
}

{
  "error": "no matches"
}

gemini-3.1-pro-preview

null

null

							input: 24675
							output: 30
							thoughts: 17
						

Okay, here's my summary, presented as a direct reflection of my thought process, as requested:

**Investigating `gpt_entry` Usage**

Alright, first things first, let's get a handle on this `gpt_entry` thing. My immediate concern is its scope and how it's being used. I need to figure out if this variable or function – whatever it is – is being passed around to other subsystems. Understanding its propagation is crucial for assessing potential dependencies, side effects, and overall architectural impact. Is it isolated, or is it a central point of integration? Knowing the answer to that question will inform any further analysis I need to do. I need to map where it touches.

{
  "Expression": "gpt_entry",
  "PathPrefix": "block/partitions/efi.c"
}

{
  "Output": "block/partitions/efi.c=234=static size_t read_lba(struct parsed_partitions *state,\n--\nblock/partitions/efi.c-269- */\nblock/partitions/efi.c:270:static gpt_entry *alloc_read_gpt_entries(struct parsed_partitions *state,\nblock/partitions/efi.c-271-\t\t\t\t\t gpt_header *gpt)\n--\nblock/partitions/efi.c-273-\tsize_t count;\nblock/partitions/efi.c:274:\tgpt_entry *pte;\nblock/partitions/efi.c-275-\n--\nblock/partitions/efi.c=334=static int is_gpt_valid(struct parsed_partitions *state, u64 lba,\nblock/partitions/efi.c:335:\t\t\tgpt_header **gpt, gpt_entry **ptes)\nblock/partitions/efi.c-336-{\n--\nblock/partitions/efi.c-414-\t/* Check that sizeof_partition_entry has the correct value */\nblock/partitions/efi.c:415:\tif (le32_to_cpu((*gpt)-\u003esizeof_partition_entry) != sizeof(gpt_entry)) {\nblock/partitions/efi.c-416-\t\tpr_debug(\"GUID Partition Entry Size check failed.\\n\");\n--\nblock/partitions/efi.c=459=static inline int\nblock/partitions/efi.c:460:is_pte_valid(const gpt_entry *pte, const u64 lastlba)\nblock/partitions/efi.c-461-{\n--\nblock/partitions/efi.c=580=static int find_valid_gpt(struct parsed_partitions *state, gpt_header **gpt,\nblock/partitions/efi.c:581:\t\t\t  gpt_entry **ptes)\nblock/partitions/efi.c-582-{\n--\nblock/partitions/efi.c-584-\tgpt_header *pgpt = NULL, *agpt = NULL;\nblock/partitions/efi.c:585:\tgpt_entry *pptes = NULL, *aptes = NULL;\nblock/partitions/efi.c-586-\tlegacy_mbr *legacymbr;\n--\nblock/partitions/efi.c=712=int efi_partition(struct parsed_partitions *state)\n--\nblock/partitions/efi.c-714-\tgpt_header *gpt = NULL;\nblock/partitions/efi.c:715:\tgpt_entry *ptes = NULL;\nblock/partitions/efi.c-716-\tu32 i;\n"
}

gemini-3.1-pro-preview

null

null

							input: 25523
							output: 36
							thoughts: 57
						

Okay, here's my take on those thoughts, framed as my own mental processing as an expert:

**Internal GPT Parsing Analysis**

Right, it looks like `gpt_entry` is strictly a *private* function, a helper primarily for the partition table parsing process. It's not exposed externally, which makes sense. Its only job is to break down the GPT structures, and then feed the results into `state`, which, I see, is a `parsed_partitions` struct. Makes the architecture pretty clear. Let me quickly jump over to `block/partitions/efi.c` and take a look at the `efi_partition` code – I want to confirm my understanding of that parsing process. Specifically, I'm thinking I'll focus on how `efi_partition` handles that parsed data that originates from `gpt_entry`. I'm guessing that's where the real logic is, how the parsed GPT entries ultimately translate into usable partition information for the system. That's where the devil is in the details, so let's dig into `efi.c`!

{
  "File": "block/partitions/efi.c",
  "FirstLine": 712,
  "LineCount": 100
}

{
  "Contents": " 712:\tint efi_partition(struct parsed_partitions *state)\n 713:\t{\n 714:\t\tgpt_header *gpt = NULL;\n 715:\t\tgpt_entry *ptes = NULL;\n 716:\t\tu32 i;\n 717:\t\tunsigned ssz = queue_logical_block_size(state-\u003edisk-\u003equeue) / 512;\n 718:\t\n 719:\t\tif (!find_valid_gpt(state, \u0026gpt, \u0026ptes) || !gpt || !ptes) {\n 720:\t\t\tkfree(gpt);\n 721:\t\t\tkfree(ptes);\n 722:\t\t\treturn 0;\n 723:\t\t}\n 724:\t\n 725:\t\tpr_debug(\"GUID Partition Table is valid!  Yea!\\n\");\n 726:\t\n 727:\t\tfor (i = 0; i \u003c le32_to_cpu(gpt-\u003enum_partition_entries) \u0026\u0026 i \u003c state-\u003elimit-1; i++) {\n 728:\t\t\tstruct partition_meta_info *info;\n 729:\t\t\tunsigned label_max;\n 730:\t\t\tu64 start = le64_to_cpu(ptes[i].starting_lba);\n 731:\t\t\tu64 size = le64_to_cpu(ptes[i].ending_lba) -\n 732:\t\t\t\t   le64_to_cpu(ptes[i].starting_lba) + 1ULL;\n 733:\t\n 734:\t\t\tif (!is_pte_valid(\u0026ptes[i], last_lba(state-\u003edisk)))\n 735:\t\t\t\tcontinue;\n 736:\t\n 737:\t\t\tput_partition(state, i+1, start * ssz, size * ssz);\n 738:\t\n 739:\t\t\t/* If this is a RAID volume, tell md */\n 740:\t\t\tif (!efi_guidcmp(ptes[i].partition_type_guid, PARTITION_LINUX_RAID_GUID))\n 741:\t\t\t\tstate-\u003eparts[i + 1].flags = ADDPART_FLAG_RAID;\n 742:\t\n 743:\t\t\tinfo = \u0026state-\u003eparts[i + 1].info;\n 744:\t\t\tefi_guid_to_str(\u0026ptes[i].unique_partition_guid, info-\u003euuid);\n 745:\t\n 746:\t\t\t/* Naively convert UTF16-LE to 7 bits. */\n 747:\t\t\tlabel_max = min(ARRAY_SIZE(info-\u003evolname) - 1,\n 748:\t\t\t\t\tARRAY_SIZE(ptes[i].partition_name));\n 749:\t\t\tutf16_le_to_7bit(ptes[i].partition_name, label_max, info-\u003evolname);\n 750:\t\t\tstate-\u003eparts[i + 1].has_info = true;\n 751:\t\t}\n 752:\t\tkfree(ptes);\n 753:\t\tkfree(gpt);\n 754:\t\tseq_buf_puts(\u0026state-\u003epp_buf, \"\\n\");\n 755:\t\treturn 1;\n 756:\t}\n"
}

gemini-3.1-pro-preview

null

null

							input: 26675
							output: 25
							thoughts: 126
						

**Analyzing a Kernel Patch**

Okay, so this patch is a bit puzzling at first glance. It looks like they're changing the data type of the `attributes` field from a bitfield struct to a `__le64`. The kernel's actually *not* using those `attributes` anywhere, so on the face of it, this change should be completely inert. It won't affect the execution path in the slightest.

It's probably just a cleanup, right? Perhaps they're getting rid of the bitfield because it's non-standard, or maybe it was generating sparse warnings. Or, more likely, they're aligning the data type to match how the field is represented on disk, assuming little-endianness is relevant.

Hold on a second, let me just double-check that `gpt_entry_attributes` isn't *used* anywhere else in the kernel. Gotta be thorough. Just want to make sure I haven't missed a crucial detail.

no matches

{
  "Expression": "gpt_entry_attributes",
  "PathPrefix": ""
}

{
  "error": "no matches"
}

gemini-3.1-pro-preview

null

null

							input: 27048
							output: 131
							thoughts: 195
						

**Decision: No Fuzzing Necessary**

Okay, so I've looked through the changes. No matches, which means we're dealing purely with decorative updates or code cleanup. Consequently, `WorthFuzzing` should definitely be set to `false`.

Just to be absolutely certain, I'm going to quickly check for any subtle, unexpected impacts. Hmmm, could the `sizeof(gpt_entry)` have changed, even subtly? Let's refresh our memory on `gpt_entry_attributes`:

```c
typedef struct _gpt_entry_attributes {
	u64 required_to_function:1;
	u64 reserved:47;
        u64 type_guid_specific:16;
} __packed gpt_entry_attributes;
```

Right, it's `__packed`. A packed struct, using 64 bits with bitfields, *always* ends up being exactly 8 bytes. And `__le64` is also precisely 8 bytes. So, based on this review of the changes, the `sizeof(gpt_entry)` remains *identical*. No functional changes whatsoever.

Therefore, my final decision is clear: I'm returning `WorthFuzzing=false`.

{
  "EnableConfigs": [],
  "FocusSymbols": [],
  "Reasoning": "The patch replaces a bitfield struct `gpt_entry_attributes` with a simple `__le64 attributes` in `gpt_entry`. The `attributes` field is never accessed anywhere in the kernel code. The size of `gpt_entry` remains exactly the same (128 bytes) because the old struct was `__packed` and contained exactly 64 bits of bitfields. Therefore, this is a purely decorative/cleanup change with no functional impact on execution flow.",
  "WorthFuzzing": false
}

{
  "EnableConfigs": null,
  "FocusSymbols": [],
  "Reasoning": "The patch replaces a bitfield struct `gpt_entry_attributes` with a simple `__le64 attributes` in `gpt_entry`. The `attributes` field is never accessed anywhere in the kernel code. The size of `gpt_entry` remains exactly the same (128 bytes) because the old struct was `__packed` and contained exactly 64 bits of bitfields. Therefore, this is a purely decorative/cleanup change with no functional impact on execution flow.",
  "WorthFuzzing": false
}