AI Trajectory

null

{
  "EnableConfigs": null,
  "FocusSymbols": [],
  "KMSANReasoning": "",
  "NeedsKMSAN": false,
  "Reasoning": "The patch series replaces boilerplate module_init/module_exit functions with module_driver() macros across several Acorn expansion card (ecard) drivers. All modified drivers depend on ARCH_ACORN and ARM, making them exclusive to the ARM architecture and structurally unreachable on the target amd64 architecture.",
  "WorthFuzzing": false
}

null

{
  "PatchDiff": "commit bb7af81fa80d9e4bc93e3966b19294b3d582cc33\nAuthor: syz-cluster \u003ctriage@syzkaller.com\u003e\nDate:   Sun Sep 6 20:21:37 2026 +0000\n\n    syz-cluster: applied patch under review\n\ndiff --git a/drivers/ata/pata_icside.c b/drivers/ata/pata_icside.c\nindex 70f056e47e6bd..df7203a74f45d 100644\n--- a/drivers/ata/pata_icside.c\n+++ b/drivers/ata/pata_icside.c\n@@ -613,19 +613,8 @@ static struct ecard_driver pata_icside_driver = {\n \t},\n };\n \n-static int __init pata_icside_init(void)\n-{\n-\treturn ecard_register_driver(\u0026pata_icside_driver);\n-}\n-\n-static void __exit pata_icside_exit(void)\n-{\n-\tecard_remove_driver(\u0026pata_icside_driver);\n-}\n+module_driver(pata_icside_driver, ecard_register_driver, ecard_remove_driver);\n \n MODULE_AUTHOR(\"Russell King \u003crmk@arm.linux.org.uk\u003e\");\n MODULE_LICENSE(\"GPL\");\n MODULE_DESCRIPTION(\"ICS PATA driver\");\n-\n-module_init(pata_icside_init);\n-module_exit(pata_icside_exit);\ndiff --git a/drivers/net/ethernet/i825xx/ether1.c b/drivers/net/ethernet/i825xx/ether1.c\nindex 3e7d7c4bafdc2..d21aeb8315317 100644\n--- a/drivers/net/ethernet/i825xx/ether1.c\n+++ b/drivers/net/ethernet/i825xx/ether1.c\n@@ -1070,17 +1070,6 @@ static struct ecard_driver ether1_driver = {\n \t},\n };\n \n-static int __init ether1_init(void)\n-{\n-\treturn ecard_register_driver(\u0026ether1_driver);\n-}\n-\n-static void __exit ether1_exit(void)\n-{\n-\tecard_remove_driver(\u0026ether1_driver);\n-}\n-\n-module_init(ether1_init);\n-module_exit(ether1_exit);\n+module_driver(ether1_driver, ecard_register_driver, ecard_remove_driver);\n \n MODULE_LICENSE(\"GPL\");\ndiff --git a/drivers/net/ethernet/seeq/ether3.c b/drivers/net/ethernet/seeq/ether3.c\nindex 20dad39b5ab94..b0d2cbc359147 100644\n--- a/drivers/net/ethernet/seeq/ether3.c\n+++ b/drivers/net/ethernet/seeq/ether3.c\n@@ -882,17 +882,6 @@ static struct ecard_driver ether3_driver = {\n \t},\n };\n \n-static int __init ether3_init(void)\n-{\n-\treturn ecard_register_driver(\u0026ether3_driver);\n-}\n-\n-static void __exit ether3_exit(void)\n-{\n-\tecard_remove_driver(\u0026ether3_driver);\n-}\n-\n-module_init(ether3_init);\n-module_exit(ether3_exit);\n+module_driver(ether3_driver, ecard_register_driver, ecard_remove_driver);\n \n MODULE_LICENSE(\"GPL\");\ndiff --git a/drivers/scsi/arm/acornscsi.c b/drivers/scsi/arm/acornscsi.c\nindex 79d7d7336b6ac..8b899fbf092e1 100644\n--- a/drivers/scsi/arm/acornscsi.c\n+++ b/drivers/scsi/arm/acornscsi.c\n@@ -2902,18 +2902,7 @@ static struct ecard_driver acornscsi_driver = {\n \t},\n };\n \n-static int __init acornscsi_init(void)\n-{\n-\treturn ecard_register_driver(\u0026acornscsi_driver);\n-}\n-\n-static void __exit acornscsi_exit(void)\n-{\n-\tecard_remove_driver(\u0026acornscsi_driver);\n-}\n-\n-module_init(acornscsi_init);\n-module_exit(acornscsi_exit);\n+module_driver(acornscsi_driver, ecard_register_driver, ecard_remove_driver);\n \n MODULE_AUTHOR(\"Russell King\");\n MODULE_DESCRIPTION(\"AcornSCSI driver\");\ndiff --git a/drivers/scsi/arm/arxescsi.c b/drivers/scsi/arm/arxescsi.c\nindex 925d0bd68aa5b..2d3f5b0519d1a 100644\n--- a/drivers/scsi/arm/arxescsi.c\n+++ b/drivers/scsi/arm/arxescsi.c\n@@ -344,20 +344,8 @@ static struct ecard_driver arxescsi_driver = {\n \t},\n };\n \n-static int __init init_arxe_scsi_driver(void)\n-{\n-\treturn ecard_register_driver(\u0026arxescsi_driver);\n-}\n-\n-static void __exit exit_arxe_scsi_driver(void)\n-{\n-\tecard_remove_driver(\u0026arxescsi_driver);\n-}\n-\n-module_init(init_arxe_scsi_driver);\n-module_exit(exit_arxe_scsi_driver);\n+module_driver(arxescsi_driver, ecard_register_driver, ecard_remove_driver);\n \n MODULE_AUTHOR(\"Stefan Hanske\");\n MODULE_DESCRIPTION(\"ARXESCSI driver for Acorn machines\");\n MODULE_LICENSE(\"GPL\");\n-\ndiff --git a/drivers/scsi/arm/cumana_1.c b/drivers/scsi/arm/cumana_1.c\nindex d1a2a22ffe8c7..62c11168f3211 100644\n--- a/drivers/scsi/arm/cumana_1.c\n+++ b/drivers/scsi/arm/cumana_1.c\n@@ -324,18 +324,7 @@ static struct ecard_driver cumanascsi1_driver = {\n \t},\n };\n \n-static int __init cumanascsi_init(void)\n-{\n-\treturn ecard_register_driver(\u0026cumanascsi1_driver);\n-}\n-\n-static void __exit cumanascsi_exit(void)\n-{\n-\tecard_remove_driver(\u0026cumanascsi1_driver);\n-}\n-\n-module_init(cumanascsi_init);\n-module_exit(cumanascsi_exit);\n+module_driver(cumanascsi1_driver, ecard_register_driver, ecard_remove_driver);\n \n MODULE_DESCRIPTION(\"Cumana SCSI-1 driver for Acorn machines\");\n MODULE_LICENSE(\"GPL\");\ndiff --git a/drivers/scsi/arm/cumana_2.c b/drivers/scsi/arm/cumana_2.c\nindex e460068f6834b..24945e1765ae0 100644\n--- a/drivers/scsi/arm/cumana_2.c\n+++ b/drivers/scsi/arm/cumana_2.c\n@@ -504,18 +504,7 @@ static struct ecard_driver cumanascsi2_driver = {\n \t},\n };\n \n-static int __init cumanascsi2_init(void)\n-{\n-\treturn ecard_register_driver(\u0026cumanascsi2_driver);\n-}\n-\n-static void __exit cumanascsi2_exit(void)\n-{\n-\tecard_remove_driver(\u0026cumanascsi2_driver);\n-}\n-\n-module_init(cumanascsi2_init);\n-module_exit(cumanascsi2_exit);\n+module_driver(cumanascsi2_driver, ecard_register_driver, ecard_remove_driver);\n \n MODULE_AUTHOR(\"Russell King\");\n MODULE_DESCRIPTION(\"Cumana SCSI-2 driver for Acorn machines\");\ndiff --git a/drivers/scsi/arm/eesox.c b/drivers/scsi/arm/eesox.c\nindex 99be9da8757f4..823ad179f24cc 100644\n--- a/drivers/scsi/arm/eesox.c\n+++ b/drivers/scsi/arm/eesox.c\n@@ -626,18 +626,7 @@ static struct ecard_driver eesoxscsi_driver = {\n \t},\n };\n \n-static int __init eesox_init(void)\n-{\n-\treturn ecard_register_driver(\u0026eesoxscsi_driver);\n-}\n-\n-static void __exit eesox_exit(void)\n-{\n-\tecard_remove_driver(\u0026eesoxscsi_driver);\n-}\n-\n-module_init(eesox_init);\n-module_exit(eesox_exit);\n+module_driver(eesoxscsi_driver, ecard_register_driver, ecard_remove_driver);\n \n MODULE_AUTHOR(\"Russell King\");\n MODULE_DESCRIPTION(\"EESOX 'Fast' SCSI driver for Acorn machines\");\ndiff --git a/drivers/scsi/arm/oak.c b/drivers/scsi/arm/oak.c\nindex d692450070967..aea21bb133552 100644\n--- a/drivers/scsi/arm/oak.c\n+++ b/drivers/scsi/arm/oak.c\n@@ -194,20 +194,8 @@ static struct ecard_driver oakscsi_driver = {\n \t},\n };\n \n-static int __init oakscsi_init(void)\n-{\n-\treturn ecard_register_driver(\u0026oakscsi_driver);\n-}\n-\n-static void __exit oakscsi_exit(void)\n-{\n-\tecard_remove_driver(\u0026oakscsi_driver);\n-}\n-\n-module_init(oakscsi_init);\n-module_exit(oakscsi_exit);\n+module_driver(oakscsi_driver, ecard_register_driver, ecard_remove_driver);\n \n MODULE_AUTHOR(\"Russell King\");\n MODULE_DESCRIPTION(\"Oak SCSI driver\");\n MODULE_LICENSE(\"GPL\");\n-\ndiff --git a/drivers/scsi/arm/powertec.c b/drivers/scsi/arm/powertec.c\nindex 823c65ff6c12b..67f071a0543b6 100644\n--- a/drivers/scsi/arm/powertec.c\n+++ b/drivers/scsi/arm/powertec.c\n@@ -432,18 +432,7 @@ static struct ecard_driver powertecscsi_driver = {\n \t},\n };\n \n-static int __init powertecscsi_init(void)\n-{\n-\treturn ecard_register_driver(\u0026powertecscsi_driver);\n-}\n-\n-static void __exit powertecscsi_exit(void)\n-{\n-\tecard_remove_driver(\u0026powertecscsi_driver);\n-}\n-\n-module_init(powertecscsi_init);\n-module_exit(powertecscsi_exit);\n+module_driver(powertecscsi_driver, ecard_register_driver, ecard_remove_driver);\n \n MODULE_AUTHOR(\"Russell King\");\n MODULE_DESCRIPTION(\"Powertec SCSI driver\");\ndiff --git a/drivers/tty/serial/8250/8250_acorn.c b/drivers/tty/serial/8250/8250_acorn.c\nindex fb596262b9c71..f634de6e159f4 100644\n--- a/drivers/tty/serial/8250/8250_acorn.c\n+++ b/drivers/tty/serial/8250/8250_acorn.c\n@@ -120,19 +120,8 @@ static struct ecard_driver serial_card_driver = {\n \t},\n };\n \n-static int __init serial_card_init(void)\n-{\n-\treturn ecard_register_driver(\u0026serial_card_driver);\n-}\n-\n-static void __exit serial_card_exit(void)\n-{\n-\tecard_remove_driver(\u0026serial_card_driver);\n-}\n+module_driver(serial_card_driver, ecard_register_driver, ecard_remove_driver);\n \n MODULE_AUTHOR(\"Russell King\");\n MODULE_DESCRIPTION(\"Acorn 8250-compatible serial port expansion card driver\");\n MODULE_LICENSE(\"GPL\");\n-\n-module_init(serial_card_init);\n-module_exit(serial_card_exit);\n"
}

core

null

{
  "EnableConfigs": null,
  "FocusSymbols": [],
  "Reasoning": "The patch series replaces boilerplate module_init/module_exit functions with module_driver() macros across several Acorn expansion card (ecard) drivers. All modified drivers depend on ARCH_ACORN and ARM, making them exclusive to the ARM architecture and structurally unreachable on the target amd64 architecture.",
  "WorthFuzzing": false
}

You are an expert Linux kernel maintainer and security engineer.
Your job is to review a provided patch series and evaluate whether it warrants fuzzing with syzkaller.

IMPORTANT: The changes have ALREADY been applied and committed as the HEAD commit in
your workspace. Do NOT rely on internal assumptions. You must actively use your code access
tools to inspect the actual source code, callers, and surrounding context.

================================================================================
1. CORE TRIAGE PHILOSOPHY
================================================================================
The goal of patch fuzzing is to discover crashes, regressions, exposed latent bugs,
and newly triggered assertions introduced by the patch series.

- REACHABILITY IS THE PRIMARY GATE:
  Fuzzing can only discover bugs in code that can actually execute in standard virtualized
  environments (GCE or QEMU, utilizing software-emulated devices like USB gadgets, netdev, tun/tap).
  If the modified code is structurally unreachable (see Section 2), it MUST NOT be fuzzed,
  regardless of whether it adds assertions or complex logic.

- DO NOT BLINDLY TRUST "NO FUNCTIONAL CHANGE" (NFCI) OR "REFACTORING" CLAIMS:
  Patch authors routinely label changes as "cleanups", "refactorings", or state
  "No functional change intended". Do NOT take these claims at face value.
  Code refactorings that rearrange logic, introduce helper functions, or alter state management
  in core subsystems frequently introduce subtle semantic shifts or uncover latent kernel bugs.
  If reachable executable code is modified or refactored, it MUST be fuzzed.

- NEW OR MODIFIED ASSERTIONS IN REACHABLE CODE MUST BE FUZZED:
  When a patch introduces or modifies runtime checks or assertions (e.g., WARN_ON*, VM_WARN_ON*,
  BUG_ON*, lockdep_assert*) in reachable code paths, it enforces new or stricter invariants.
  Even if the author believes the invariant always holds, fuzzing is essential to verify whether
  an unusual sequence of operations can violate it.

================================================================================
2. WHEN TO RETURN WorthFuzzing=false (NEGATIVE CRITERIA)
================================================================================
Return WorthFuzzing=false ONLY IF all modified code falls strictly into one or more of these categories:

- Non-kernel and non-executable changes:
  * Modifications to Documentation/, comments, or spelling fixes.
  * User-space directories, self-tests, samples, or scripts (e.g., tools/, samples/, scripts/, usr/)
    that do not affect the compiled kernel image (vmlinux) or kernel modules.
  * Purely decorative logging (e.g., message strings in pr_err, printk, dev_info) or tracepoints
    that do not alter control flow or data structures.
  * Build system or Kconfig changes that do not alter compiled C logic.
- Structurally unreachable hardware:
  * Vendor-specific PCIe switches, SmartNICs, or GPU drivers (e.g., mlxsw, pds_core, qed,
    ionic, amdgpu) requiring physical ASIC/PCIe cards not emulated in standard QEMU.
- Unreachable execution paths:
  * Driver teardown callbacks (.remove, .shutdown, pci_unregister_driver) executed only during
    physical PCI hot-unplug or manual sysfs driver unbinding.
  * Code paths exclusive to architectures other than the target architecture.

================================================================================
3. WHEN TO RETURN WorthFuzzing=true (POSITIVE CRITERIA)
================================================================================
Return WorthFuzzing=true whenever the patch touches reachable executable code, including:
- Core Subsystems:
  * Any logic modifications in memory management (mm/), synchronization/locking (kernel/locking/),
    BPF, scheduler, core networking, VFS, or syscall handling.
- Refactorings and Code Cleanups:
  * Any restructuring of reachable data structures, helper abstractions, or algorithm flows.
- Runtime Assertions and Defensive Checks:
  * Any introduction or alteration of assertions (WARN_ON*, VM_WARN_ON*, BUG_ON*, etc.) in reachable paths.
- Reachable Drivers and Protocols:
  * Drivers accessible via virtual buses (virtio, USB gadget, loopback, netlink, binder, sockets, etc.).

================================================================================
4. EXTRACTING FocusSymbols (PREVENTING DILUTION)
================================================================================
When WorthFuzzing=true, you must extract specific kernel functions into FocusSymbols to guide the fuzzer:

- AVOID UBIQUITOUS LIFECYCLE HOT-PATHS:
  Do NOT list generic, ubiquitous functions called by almost every program in the corpus
  (including, but not limited to: general memory allocators and deallocators, page fault
  and trap handlers, or core synchronization primitives; this is not an exhaustive list).
  Listing ubiquitous functions causes the fuzzer to classify thousands of unrelated tests as "focused",
  which severely dilutes fuzzing effort away from the actual changes.

- TARGET SPECIFIC FEATURE LOGIC AND ENTRYPOINTS:
  List functions that specifically implement the logic being added or altered, or direct API entrypoints
  for the subsystem feature under review.

- HANDLING STATIC INLINE FUNCTIONS IN HEADERS (.h):
  Compiler-inlined static functions (such as static inlines in mm/*.h or include/linux/*.h) lack
  distinct symbol addresses in vmlinux and cannot be targeted directly by symbol coverage filters.
  If the changes are primarily in static inline helpers, identify non-static, feature-specific caller
  functions in .c files that exercise them (avoiding ubiquitous lifecycle wrappers).

================================================================================
5. IDENTIFYING EnableConfigs
================================================================================
Identify any specific CONFIG_ options required to properly compile and reach the modified code:
- Inspect Kconfig files and #ifdef guards; do not make assumptions.
- Check "depends on" lines in Kconfig to include any non-standard parent subsystem configs needed.
- Strip any '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.

Target architecture: amd64

For your convenience, here is the diff of the changes:
commit bb7af81fa80d9e4bc93e3966b19294b3d582cc33
Author: syz-cluster <triage@syzkaller.com>
Date:   Sun Sep 6 20:21:37 2026 +0000

    syz-cluster: applied patch under review

diff --git a/drivers/ata/pata_icside.c b/drivers/ata/pata_icside.c
index 70f056e47e6bd..df7203a74f45d 100644
--- a/drivers/ata/pata_icside.c
+++ b/drivers/ata/pata_icside.c
@@ -613,19 +613,8 @@ static struct ecard_driver pata_icside_driver = {
 	},
 };
 
-static int __init pata_icside_init(void)
-{
-	return ecard_register_driver(&pata_icside_driver);
-}
-
-static void __exit pata_icside_exit(void)
-{
-	ecard_remove_driver(&pata_icside_driver);
-}
+module_driver(pata_icside_driver, ecard_register_driver, ecard_remove_driver);
 
 MODULE_AUTHOR("Russell King <rmk@arm.linux.org.uk>");
 MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("ICS PATA driver");
-
-module_init(pata_icside_init);
-module_exit(pata_icside_exit);
diff --git a/drivers/net/ethernet/i825xx/ether1.c b/drivers/net/ethernet/i825xx/ether1.c
index 3e7d7c4bafdc2..d21aeb8315317 100644
--- a/drivers/net/ethernet/i825xx/ether1.c
+++ b/drivers/net/ethernet/i825xx/ether1.c
@@ -1070,17 +1070,6 @@ static struct ecard_driver ether1_driver = {
 	},
 };
 
-static int __init ether1_init(void)
-{
-	return ecard_register_driver(&ether1_driver);
-}
-
-static void __exit ether1_exit(void)
-{
-	ecard_remove_driver(&ether1_driver);
-}
-
-module_init(ether1_init);
-module_exit(ether1_exit);
+module_driver(ether1_driver, ecard_register_driver, ecard_remove_driver);
 
 MODULE_LICENSE("GPL");
diff --git a/drivers/net/ethernet/seeq/ether3.c b/drivers/net/ethernet/seeq/ether3.c
index 20dad39b5ab94..b0d2cbc359147 100644
--- a/drivers/net/ethernet/seeq/ether3.c
+++ b/drivers/net/ethernet/seeq/ether3.c
@@ -882,17 +882,6 @@ static struct ecard_driver ether3_driver = {
 	},
 };
 
-static int __init ether3_init(void)
-{
-	return ecard_register_driver(&ether3_driver);
-}
-
-static void __exit ether3_exit(void)
-{
-	ecard_remove_driver(&ether3_driver);
-}
-
-module_init(ether3_init);
-module_exit(ether3_exit);
+module_driver(ether3_driver, ecard_register_driver, ecard_remove_driver);
 
 MODULE_LICENSE("GPL");
diff --git a/drivers/scsi/arm/acornscsi.c b/drivers/scsi/arm/acornscsi.c
index 79d7d7336b6ac..8b899fbf092e1 100644
--- a/drivers/scsi/arm/acornscsi.c
+++ b/drivers/scsi/arm/acornscsi.c
@@ -2902,18 +2902,7 @@ static struct ecard_driver acornscsi_driver = {
 	},
 };
 
-static int __init acornscsi_init(void)
-{
-	return ecard_register_driver(&acornscsi_driver);
-}
-
-static void __exit acornscsi_exit(void)
-{
-	ecard_remove_driver(&acornscsi_driver);
-}
-
-module_init(acornscsi_init);
-module_exit(acornscsi_exit);
+module_driver(acornscsi_driver, ecard_register_driver, ecard_remove_driver);
 
 MODULE_AUTHOR("Russell King");
 MODULE_DESCRIPTION("AcornSCSI driver");
diff --git a/drivers/scsi/arm/arxescsi.c b/drivers/scsi/arm/arxescsi.c
index 925d0bd68aa5b..2d3f5b0519d1a 100644
--- a/drivers/scsi/arm/arxescsi.c
+++ b/drivers/scsi/arm/arxescsi.c
@@ -344,20 +344,8 @@ static struct ecard_driver arxescsi_driver = {
 	},
 };
 
-static int __init init_arxe_scsi_driver(void)
-{
-	return ecard_register_driver(&arxescsi_driver);
-}
-
-static void __exit exit_arxe_scsi_driver(void)
-{
-	ecard_remove_driver(&arxescsi_driver);
-}
-
-module_init(init_arxe_scsi_driver);
-module_exit(exit_arxe_scsi_driver);
+module_driver(arxescsi_driver, ecard_register_driver, ecard_remove_driver);
 
 MODULE_AUTHOR("Stefan Hanske");
 MODULE_DESCRIPTION("ARXESCSI driver for Acorn machines");
 MODULE_LICENSE("GPL");
-
diff --git a/drivers/scsi/arm/cumana_1.c b/drivers/scsi/arm/cumana_1.c
index d1a2a22ffe8c7..62c11168f3211 100644
--- a/drivers/scsi/arm/cumana_1.c
+++ b/drivers/scsi/arm/cumana_1.c
@@ -324,18 +324,7 @@ static struct ecard_driver cumanascsi1_driver = {
 	},
 };
 
-static int __init cumanascsi_init(void)
-{
-	return ecard_register_driver(&cumanascsi1_driver);
-}
-
-static void __exit cumanascsi_exit(void)
-{
-	ecard_remove_driver(&cumanascsi1_driver);
-}
-
-module_init(cumanascsi_init);
-module_exit(cumanascsi_exit);
+module_driver(cumanascsi1_driver, ecard_register_driver, ecard_remove_driver);
 
 MODULE_DESCRIPTION("Cumana SCSI-1 driver for Acorn machines");
 MODULE_LICENSE("GPL");
diff --git a/drivers/scsi/arm/cumana_2.c b/drivers/scsi/arm/cumana_2.c
index e460068f6834b..24945e1765ae0 100644
--- a/drivers/scsi/arm/cumana_2.c
+++ b/drivers/scsi/arm/cumana_2.c
@@ -504,18 +504,7 @@ static struct ecard_driver cumanascsi2_driver = {
 	},
 };
 
-static int __init cumanascsi2_init(void)
-{
-	return ecard_register_driver(&cumanascsi2_driver);
-}
-
-static void __exit cumanascsi2_exit(void)
-{
-	ecard_remove_driver(&cumanascsi2_driver);
-}
-
-module_init(cumanascsi2_init);
-module_exit(cumanascsi2_exit);
+module_driver(cumanascsi2_driver, ecard_register_driver, ecard_remove_driver);
 
 MODULE_AUTHOR("Russell King");
 MODULE_DESCRIPTION("Cumana SCSI-2 driver for Acorn machines");
diff --git a/drivers/scsi/arm/eesox.c b/drivers/scsi/arm/eesox.c
index 99be9da8757f4..823ad179f24cc 100644
--- a/drivers/scsi/arm/eesox.c
+++ b/drivers/scsi/arm/eesox.c
@@ -626,18 +626,7 @@ static struct ecard_driver eesoxscsi_driver = {
 	},
 };
 
-static int __init eesox_init(void)
-{
-	return ecard_register_driver(&eesoxscsi_driver);
-}
-
-static void __exit eesox_exit(void)
-{
-	ecard_remove_driver(&eesoxscsi_driver);
-}
-
-module_init(eesox_init);
-module_exit(eesox_exit);
+module_driver(eesoxscsi_driver, ecard_register_driver, ecard_remove_driver);
 
 MODULE_AUTHOR("Russell King");
 MODULE_DESCRIPTION("EESOX 'Fast' SCSI driver for Acorn machines");
diff --git a/drivers/scsi/arm/oak.c b/drivers/scsi/arm/oak.c
index d692450070967..aea21bb133552 100644
--- a/drivers/scsi/arm/oak.c
+++ b/drivers/scsi/arm/oak.c
@@ -194,20 +194,8 @@ static struct ecard_driver oakscsi_driver = {
 	},
 };
 
-static int __init oakscsi_init(void)
-{
-	return ecard_register_driver(&oakscsi_driver);
-}
-
-static void __exit oakscsi_exit(void)
-{
-	ecard_remove_driver(&oakscsi_driver);
-}
-
-module_init(oakscsi_init);
-module_exit(oakscsi_exit);
+module_driver(oakscsi_driver, ecard_register_driver, ecard_remove_driver);
 
 MODULE_AUTHOR("Russell King");
 MODULE_DESCRIPTION("Oak SCSI driver");
 MODULE_LICENSE("GPL");
-
diff --git a/drivers/scsi/arm/powertec.c b/drivers/scsi/arm/powertec.c
index 823c65ff6c12b..67f071a0543b6 100644
--- a/drivers/scsi/arm/powertec.c
+++ b/drivers/scsi/arm/powertec.c
@@ -432,18 +432,7 @@ static struct ecard_driver powertecscsi_driver = {
 	},
 };
 
-static int __init powertecscsi_init(void)
-{
-	return ecard_register_driver(&powertecscsi_driver);
-}
-
-static void __exit powertecscsi_exit(void)
-{
-	ecard_remove_driver(&powertecscsi_driver);
-}
-
-module_init(powertecscsi_init);
-module_exit(powertecscsi_exit);
+module_driver(powertecscsi_driver, ecard_register_driver, ecard_remove_driver);
 
 MODULE_AUTHOR("Russell King");
 MODULE_DESCRIPTION("Powertec SCSI driver");
diff --git a/drivers/tty/serial/8250/8250_acorn.c b/drivers/tty/serial/8250/8250_acorn.c
index fb596262b9c71..f634de6e159f4 100644
--- a/drivers/tty/serial/8250/8250_acorn.c
+++ b/drivers/tty/serial/8250/8250_acorn.c
@@ -120,19 +120,8 @@ static struct ecard_driver serial_card_driver = {
 	},
 };
 
-static int __init serial_card_init(void)
-{
-	return ecard_register_driver(&serial_card_driver);
-}
-
-static void __exit serial_card_exit(void)
-{
-	ecard_remove_driver(&serial_card_driver);
-}
+module_driver(serial_card_driver, ecard_register_driver, ecard_remove_driver);
 
 MODULE_AUTHOR("Russell King");
 MODULE_DESCRIPTION("Acorn 8250-compatible serial port expansion card driver");
 MODULE_LICENSE("GPL");
-
-module_init(serial_card_init);
-module_exit(serial_card_exit);

gemini-3.7-flash

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							input: 5919
							output: 52
							thoughts: 269
						

**Analyzing This Patch: An Acorn Ecard Deep Dive**

Okay, let's break this down. First things first, the target architecture is amd64, but the patch itself seems to be digging into some potentially *very* old code. I need to understand the implications of this.

The files listed – `drivers/ata/pata_icside.c`, a few Ethernet drivers (`ether1.c`, `ether3.c`), and a slew of SCSI drivers (`acornscsi.c`, etc. – the whole lot) – they all seem to be touching Acorn Expansion Card (ecard) drivers, given the mention of `struct ecard_driver`. My spidey-sense is tingling; I need to figure out what's actually changing in these files, and why they're relevant to the current target architecture.

Given that these are all ecard drivers, I should check the Kconfig and architecture dependencies for both the ecard infrastructure itself *and* these specific drivers. I'm going to use `grepper` to quickly inspect the Kconfig files associated with these drivers and the ecard subsystem to understand the context and conditionals. Hopefully, that will give me some clues about what's being enabled, disabled, or modified. This could be a refactoring effort, a bug fix, or something far more involved, and I need to figure out which it is. I need to understand why this old code is even being touched.

{
  "Expression": "config.*(PATA_ICSIDE|ARM_ETHER1|ARM_ETHER3|SCSI_ACORNSCSI|SERIAL_8250_ACORN)"
}

{
  "Output": "drivers/ata/Kconfig=749=config PATA_HPT3X3_DMA\n--\ndrivers/ata/Kconfig-756-\ndrivers/ata/Kconfig:757:config PATA_ICSIDE\ndrivers/ata/Kconfig-758-\ttristate \"Acorn ICS PATA support\"\n--\ndrivers/net/ethernet/i825xx/Kconfig=18=if NET_VENDOR_I825XX\ndrivers/net/ethernet/i825xx/Kconfig-19-\ndrivers/net/ethernet/i825xx/Kconfig:20:config ARM_ETHER1\ndrivers/net/ethernet/i825xx/Kconfig-21-\ttristate \"Acorn Ether1 support\"\n--\ndrivers/net/ethernet/seeq/Kconfig=18=if NET_VENDOR_SEEQ\ndrivers/net/ethernet/seeq/Kconfig-19-\ndrivers/net/ethernet/seeq/Kconfig:20:config ARM_ETHER3\ndrivers/net/ethernet/seeq/Kconfig-21-\ttristate \"Acorn/ANT Ether3 support\"\n--\ndrivers/scsi/arm/Kconfig-4-#\ndrivers/scsi/arm/Kconfig:5:config SCSI_ACORNSCSI_3\ndrivers/scsi/arm/Kconfig-6-\ttristate \"Acorn SCSI card (aka30) support\"\n--\ndrivers/scsi/arm/Kconfig-12-\ndrivers/scsi/arm/Kconfig:13:config SCSI_ACORNSCSI_SYNC\ndrivers/scsi/arm/Kconfig-14-\tbool \"Support SCSI 2 Synchronous Transfers\"\n--\ndrivers/tty/serial/8250/Kconfig=325=config SERIAL_8250_ASPEED_VUART\n--\ndrivers/tty/serial/8250/Kconfig-341-\ndrivers/tty/serial/8250/Kconfig:342:config SERIAL_8250_ACORN\ndrivers/tty/serial/8250/Kconfig-343-\ttristate \"Acorn expansion card serial port support\"\n"
}

gemini-3.7-flash

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							input: 7089
							output: 34
							thoughts: 60
						

Okay, let's dive into this. I need to get a handle on the configuration options available in a few key areas, and it looks like a good starting point is the `Kconfig` files.

**My Configuration Hunt Begins**

I'm thinking I should start by looking at a few different driver sections. First, let's take a look at the ATA drivers, specifically in `drivers/ata/Kconfig`. It's essential to understand the configurable aspects of those storage controllers. Then, I'll move on to the network side, so I'm also going to check out `drivers/net/ethernet/i825xx/Kconfig`. The `i825xx` is a common network controller, so I need to know the options there. Next, to get a broad view, I'll see what's configurable in the SCSI subsystem, with `drivers/scsi/arm/Kconfig`. Finally, serial communications are always important, so I'll check `drivers/tty/serial/8250/Kconfig` to review the serial port drivers. This should give me a good overview of the Kconfig structures in these different drivers. This is the best place to start.

{
  "File": "drivers/ata/Kconfig",
  "FirstLine": 756,
  "LineCount": 20
}

{
  "Contents": " 756:\t\n 757:\tconfig PATA_ICSIDE\n 758:\t\ttristate \"Acorn ICS PATA support\"\n 759:\t\tdepends on ARM \u0026\u0026 ARCH_ACORN\n 760:\t\tselect PATA_TIMINGS\n 761:\t\thelp\n 762:\t\t  On Acorn systems, say Y here if you wish to use the ICS PATA\n 763:\t\t  interface card.  This is not required for ICS partition support.\n 764:\t\t  If you are unsure, say N to this.\n 765:\t\n 766:\tconfig PATA_IMX\n 767:\t\ttristate \"PATA support for Freescale iMX\"\n 768:\t\tdepends on ARCH_MXC || COMPILE_TEST\n 769:\t\tselect PATA_TIMINGS\n 770:\t\thelp\n 771:\t\t  This option enables support for the PATA host available on Freescale\n 772:\t          iMX SoCs.\n 773:\t\n 774:\t\t  If unsure, say N.\n 775:\t\n"
}

gemini-3.7-flash

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							input: 7733
							output: 42
							thoughts: 61
						

Okay, let's dive into this. I need to get a handle on the kernel configuration files for network and serial drivers, specifically. My initial thought is to examine these Kconfig files: **`drivers/net/ethernet/i825xx/Kconfig`**, **`drivers/net/ethernet/seeq/Kconfig`**, **`drivers/scsi/arm/Kconfig`**, and **`drivers/tty/serial/8250/Kconfig`**. I'm probably looking for dependencies, default configurations, maybe some potential conflicts or areas where similar functionality might overlap. This should give me a good overview of how these specific drivers are configured within the broader kernel context. I'm hoping to quickly identify any areas that might require special attention or further investigation.

{
  "File": "drivers/net/ethernet/i825xx/Kconfig",
  "FirstLine": 18,
  "LineCount": 20
}

{
  "Contents": "  18:\tif NET_VENDOR_I825XX\n  19:\t\n  20:\tconfig ARM_ETHER1\n  21:\t\ttristate \"Acorn Ether1 support\"\n  22:\t\tdepends on ARM \u0026\u0026 ARCH_ACORN\n  23:\t\thelp\n  24:\t\t  If you have an Acorn system with one of these (AKA25) network cards,\n  25:\t\t  you should say Y to this option if you wish to use it with Linux.\n  26:\t\n  27:\tconfig BVME6000_NET\n  28:\t\ttristate \"BVME6000 Ethernet support\"\n  29:\t\tdepends on BVME6000\n  30:\t\thelp\n  31:\t\t  This is the driver for the Ethernet interface on BVME4000 and\n  32:\t\t  BVME6000 VME boards.  Say Y here to include the driver for this chip\n  33:\t\t  in your kernel.\n  34:\t\t  To compile this driver as a module, choose M here.\n  35:\t\n  36:\tconfig LASI_82596\n  37:\t\ttristate \"Lasi ethernet\"\n"
}

gemini-3.7-flash

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							input: 8312
							output: 39
							thoughts: 44
						

Okay, here's my take on those Kconfig files, assuming I'm well-versed in kernel configuration:

**Diving into the Kernel Configuration Landscape**

Alright, time to get my hands dirty. I need to get a better handle on the dependencies and build options for specific kernel subsystems. Let's start by looking at `drivers/net/ethernet/seeq/Kconfig`, `drivers/scsi/arm/Kconfig`, and `drivers/tty/serial/8250/Kconfig`. These are three very different areas, so I anticipate distinct configuration paradigms at play. I'm hoping to understand how those three areas are constructed. I have to understand the intricacies of each configuration file and the potential implications of various selections. This means understanding the relationships between the features, the hardware these drivers support, any potential conflicts, and how they interact with other parts of the kernel. Hopefully, they will give me some insight into how the kernel is constructed.

{
  "File": "drivers/net/ethernet/seeq/Kconfig",
  "FirstLine": 18,
  "LineCount": 20
}

{
  "Contents": "  18:\tif NET_VENDOR_SEEQ\n  19:\t\n  20:\tconfig ARM_ETHER3\n  21:\t\ttristate \"Acorn/ANT Ether3 support\"\n  22:\t\tdepends on ARM \u0026\u0026 ARCH_ACORN\n  23:\t\thelp\n  24:\t\t  If you have an Acorn system with one of these network cards, you\n  25:\t\t  should say Y to this option if you wish to use it with Linux.\n  26:\t\n  27:\tconfig SGISEEQ\n  28:\t\ttristate \"SGI Seeq ethernet controller support\"\n  29:\t\tdepends on SGI_HAS_SEEQ\n  30:\t\thelp\n  31:\t\t  Say Y here if you have an Seeq based Ethernet network card. This is\n  32:\t\t  used in many Silicon Graphics machines.\n  33:\t\n  34:\tendif # NET_VENDOR_SEEQ\n"
}

gemini-3.7-flash

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							input: 8838
							output: 36
							thoughts: 31
						

Here's my take:

**Investigating Potential Configuration Conflicts**

Okay, time to dig in. Given the recent issue reports, I suspect we might have a configuration conflict bubbling up between the SCSI and serial port drivers on ARM platforms. To get a clear picture of the situation, I need to check the Kconfig files for both. I'll start with `drivers/scsi/arm/Kconfig` to understand the SCSI driver configuration options specific to ARM. Then, I'll move on to `drivers/tty/serial/8250/Kconfig` to analyze the serial port configuration, focusing on how it might interact with the SCSI setup, especially if there's any overlap or shared resources, which is where the likely problem is. This should help me pinpoint any potential misconfigurations that could be contributing to the issue, or even identify dependencies I hadn't considered.

{
  "File": "drivers/scsi/arm/Kconfig",
  "FirstLine": 1,
  "LineCount": 100
}

{
  "Contents": "   1:\t# SPDX-License-Identifier: GPL-2.0-only\n   2:\t#\n   3:\t# SCSI driver configuration for Acorn\n   4:\t#\n   5:\tconfig SCSI_ACORNSCSI_3\n   6:\t\ttristate \"Acorn SCSI card (aka30) support\"\n   7:\t\tdepends on ARCH_ACORN \u0026\u0026 SCSI\n   8:\t\tselect SCSI_SPI_ATTRS\n   9:\t\thelp\n  10:\t\t  This enables support for the Acorn SCSI card (aka30). If you have an\n  11:\t\t  Acorn system with one of these, say Y. If unsure, say N.\n  12:\t\n  13:\tconfig SCSI_ACORNSCSI_SYNC\n  14:\t\tbool \"Support SCSI 2 Synchronous Transfers\"\n  15:\t\tdepends on SCSI_ACORNSCSI_3\n  16:\t\thelp\n  17:\t\t  Say Y here to enable synchronous transfer negotiation with all\n  18:\t\t  targets on the Acorn SCSI card.\n  19:\t\n  20:\t\t  In general, this improves performance; however some SCSI devices\n  21:\t\t  don't implement it properly, so the safe answer is N.\n  22:\t\n  23:\tconfig SCSI_ARXESCSI\n  24:\t\ttristate \"ARXE SCSI support\"\n  25:\t\tdepends on ARCH_ACORN \u0026\u0026 SCSI\n  26:\t\thelp\n  27:\t\t  Around 1991, Arxe Systems Limited released a high density floppy\n  28:\t\t  disc interface for the Acorn Archimedes range, to allow the use of\n  29:\t\t  HD discs from the then new A5000 on earlier models. This interface\n  30:\t\t  was either sold on its own or with an integral SCSI controller.\n  31:\t\t  Technical details on this NCR53c94-based device are available at\n  32:\t\t  \u003chttp://www.cryton.demon.co.uk/acornbits/scsi_arxe.html\u003e\n  33:\t\t  Say Y here to compile in support for the SCSI controller.\n  34:\t\n  35:\tconfig SCSI_CUMANA_2\n  36:\t\ttristate \"CumanaSCSI II support\"\n  37:\t\tdepends on ARCH_ACORN \u0026\u0026 SCSI\n  38:\t\thelp\n  39:\t\t  This enables support for the Cumana SCSI II card. If you have an\n  40:\t\t  Acorn system with one of these, say Y. If unsure, say N.\n  41:\t\n  42:\tconfig SCSI_EESOXSCSI\n  43:\t\ttristate \"EESOX support\"\n  44:\t\tdepends on ARCH_ACORN \u0026\u0026 SCSI\n  45:\t\thelp\n  46:\t\t  This enables support for the EESOX SCSI card. If you have an Acorn\n  47:\t\t  system with one of these, say Y, otherwise say N.\n  48:\t\n  49:\tconfig SCSI_POWERTECSCSI\n  50:\t\ttristate \"PowerTec support\"\n  51:\t\tdepends on ARCH_ACORN \u0026\u0026 SCSI\n  52:\t\thelp\n  53:\t\t  This enables support for the Powertec SCSI card on Acorn systems. If\n  54:\t\t  you have one of these, say Y. If unsure, say N.\n  55:\t\n  56:\tcomment \"The following drivers are not fully supported\"\n  57:\t\tdepends on ARCH_ACORN\n  58:\t\n  59:\tconfig SCSI_CUMANA_1\n  60:\t\ttristate \"CumanaSCSI I support\"\n  61:\t\tdepends on ARCH_ACORN \u0026\u0026 SCSI\n  62:\t\tselect SCSI_SPI_ATTRS\n  63:\t\thelp\n  64:\t\t  This enables support for the Cumana SCSI I card. If you have an\n  65:\t\t  Acorn system with one of these, say Y. If unsure, say N.\n  66:\t\n  67:\tconfig SCSI_OAK1\n  68:\t\ttristate \"Oak SCSI support\"\n  69:\t\tdepends on ARCH_ACORN \u0026\u0026 SCSI\n  70:\t\tselect SCSI_SPI_ATTRS\n  71:\t\thelp\n  72:\t\t  This enables support for the Oak SCSI card. If you have an Acorn\n  73:\t\t  system with one of these, say Y. If unsure, say N.\n  74:\t\n"
}

gemini-3.7-flash

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							input: 10187
							output: 41
							thoughts: 26
						

Here's my take on the thought process, as requested:

**Diving into the 8250 Serial Driver Configuration**

Okay, time to get to the heart of this. My brain is telling me, based on the current context, the relevant configuration options for this issue probably live within the 8250 serial driver's Kconfig file. Let's start with `drivers/tty/serial/8250/Kconfig`, and specifically, let's zoom in around line 342. That's a good starting point. I suspect that's where I'll find the configuration knobs related to the thing I'm trying to tweak. Let's see if that assumption holds.

{
  "File": "drivers/tty/serial/8250/Kconfig",
  "FirstLine": 340,
  "LineCount": 20
}

{
  "Contents": " 340:\t#\n 341:\t\n 342:\tconfig SERIAL_8250_ACORN\n 343:\t\ttristate \"Acorn expansion card serial port support\"\n 344:\t\tdepends on ARCH_ACORN \u0026\u0026 SERIAL_8250\n 345:\t\thelp\n 346:\t\t  If you have an Atomwide Serial card or Serial Port card for an Acorn\n 347:\t\t  system, say Y to this option.  The driver can handle 1, 2, or 3 port\n 348:\t\t  cards.  If unsure, say N.\n 349:\t\n 350:\tconfig SERIAL_8250_BCM2835AUX\n 351:\t\ttristate \"BCM2835 auxiliar mini UART support\"\n 352:\t\tdepends on ARCH_BCM2835 || COMPILE_TEST\n 353:\t\tdepends on SERIAL_8250 \u0026\u0026 SERIAL_8250_SHARE_IRQ\n 354:\t\thelp\n 355:\t\t  Support for the BCM2835 auxiliar mini UART.\n 356:\t\n 357:\t\t  Features and limitations of the UART are\n 358:\t\t    Registers are similar to 16650 registers,\n 359:\t\t      set bits in the control registers that are unsupported\n"
}

gemini-3.7-flash

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							input: 10758
							output: 19
							thoughts: 18
						

Here's my attempt at summarizing the thought process in the first person, assuming the user is an expert:

**Investigating ARCH_ACORN Dependencies**

Okay, time to dig in. The first thing I need to do is get a handle on the dependencies of `ARCH_ACORN`. That's where I need to start. So, where precisely *is* `ARCH_ACORN` defined? I know I'll have to get my hands dirty, tracing its origin. This is a crucial first step; without knowing where it originates, it will be difficult to understand how it impacts the other systems.

{
  "Expression": "config ARCH_ACORN"
}

{
  "Output": "arch/arm/Kconfig=488=config ARCH_MPS2\n--\narch/arm/Kconfig-502-# Definitions to make life easier\narch/arm/Kconfig:503:config ARCH_ACORN\narch/arm/Kconfig-504-\tbool\n"
}

gemini-3.7-flash

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							input: 11002
							output: 92
							thoughts: 777
						

**My Analysis of the Proposed Code Changes**

Okay, let's break this down. We've got a patch that touches a bunch of drivers, specifically related to vintage Acorn machines. First, `ARCH_ACORN` is the key here. It's defined in `arch/arm/Kconfig`, making it explicitly an ARM 32-bit architecture thing. Specifically, it's for Acorn machines like the RiscPC, A5000, and Archimedes. Our syzkaller target is `amd64`, so that's a red flag immediately.

None of these drivers can be compiled or executed on `amd64` (or x86_64) – and crucially, they don't even have `COMPILE_TEST` enabled. That means we aren't even getting a hint of a chance to test them. They're all for physical, vintage Acorn expansion card bus hardware, which, again, is ARM-specific.

Now, according to the Negative Criteria in Section 2, any code exclusive to architectures other than the target is a no-go. Unreachable hardware is also something to avoid. So, let's look at the specific drivers listed to confirm this:

*   `PATA_ICSIDE`: depends on `ARM && ARCH_ACORN`
*   `ARM_ETHER1`: depends on `ARM && ARCH_ACORN`
*   `ARM_ETHER3`: depends on `ARM && ARCH_ACORN`
*   `SCSI_ACORNSCSI_3`: depends on `ARCH_ACORN && SCSI`
*   `SCSI_ARXESCSI`: depends on `ARCH_ACORN && SCSI`
*   `SCSI_CUMANA_2`: depends on `ARCH_ACORN && SCSI`
*   `SCSI_EESOXSCSI`: depends on `ARCH_ACORN && SCSI`
*   `SCSI_POWERTECSCSI`: depends on `ARCH_ACORN && SCSI`
*   `SCSI_CUMANA_1`: depends on `ARCH_ACORN && SCSI`
*   `SCSI_OAK1`: depends on `ARCH_ACORN && SCSI`
*   `SERIAL_8250_ACORN`: depends on `ARCH_ACORN && SERIAL_8250`

Every single one of these drivers explicitly relies on `ARCH_ACORN`, which ties them to the ARM architecture, and is not something that would ever exist on amd64. Furthermore, this code is simply refactoring the `module_init`/`module_exit` registration helpers with `module_driver(...)`. This doesn't change their architecture-specific nature.

Let's quickly confirm all the files changed:

*   `drivers/ata/pata_icside.c`
*   `drivers/net/ethernet/i825xx/ether1.c`
*   `drivers/net/ethernet/seeq/ether3.c`
*   `drivers/scsi/arm/acornscsi.c`
*   `drivers/scsi/arm/arxescsi.c`
*   `drivers/scsi/arm/cumana_1.c`
*   `drivers/scsi/arm/cumana_2.c`
*   `drivers/scsi/arm/eesox.c`
*   `drivers/scsi/arm/oak.c`
*   `drivers/scsi/arm/powertec.c`
*   `drivers/tty/serial/8250/8250_acorn.c`

Yup, all eleven are drivers for Acorn expansion cards, and therefore ARM-only.

**Conclusion:**

This patch is modifying module initialization/exit boilerplate in various Acorn Expansion Card (ecard) drivers. All the modified drivers depend exclusively on the ARM and `ARCH_ACORN` configuration options. These are limited to the 32-bit ARM architecture, and thus are not buildable or executable on the target amd64 architecture.

*   `WorthFuzzing`: false
*   `EnableConfigs`: \[ ]
*   `FocusSymbols`: \[ ]

I'll go ahead and set the results accordingly.

{
  "EnableConfigs": [],
  "FocusSymbols": [],
  "Reasoning": "The patch series replaces boilerplate module_init/module_exit functions with module_driver() macros across several Acorn expansion card (ecard) drivers. All modified drivers depend on ARCH_ACORN and ARM, making them exclusive to the ARM architecture and structurally unreachable on the target amd64 architecture.",
  "WorthFuzzing": false
}

{
  "EnableConfigs": null,
  "FocusSymbols": [],
  "Reasoning": "The patch series replaces boilerplate module_init/module_exit functions with module_driver() macros across several Acorn expansion card (ecard) drivers. All modified drivers depend on ARCH_ACORN and ARM, making them exclusive to the ARM architecture and structurally unreachable on the target amd64 architecture.",
  "WorthFuzzing": false
}

{
  "WorthFuzzing": false
}

null