AI Trajectory

null

{
  "EnableConfigs": null,
  "FocusSymbols": [],
  "KMSANReasoning": "",
  "NeedsKMSAN": false,
  "Reasoning": "The patch only modifies arch/riscv/kvm/aia_imsic.c, which is exclusive to the RISC-V architecture and cannot be compiled or executed on the target architecture (amd64).",
  "WorthFuzzing": false
}

null

{
  "PatchDiff": "commit e495b5016d97057738c473b29ebd4e3f487b9627\nAuthor: syz-cluster \u003ctriage@syzkaller.com\u003e\nDate:   Fri Sep 25 14:40:18 2026 +0000\n\n    syz-cluster: applied patch under review\n\ndiff --git a/arch/riscv/kvm/aia_imsic.c b/arch/riscv/kvm/aia_imsic.c\nindex c1af23e79ae06..490c55419eb22 100644\n--- a/arch/riscv/kvm/aia_imsic.c\n+++ b/arch/riscv/kvm/aia_imsic.c\n@@ -607,26 +607,25 @@ static void imsic_vsfile_cleanup(struct imsic *imsic)\n \t\tkvm_riscv_aia_free_hgei(old_vsfile_cpu, old_vsfile_hgei);\n }\n \n-static void imsic_swfile_extirq_update(struct kvm_vcpu *vcpu)\n+static void __imsic_swfile_extirq_update(struct kvm_vcpu *vcpu)\n {\n \tstruct imsic *imsic = vcpu-\u003earch.aia_context.imsic_state;\n \tstruct imsic_mrif *mrif = imsic-\u003eswfile;\n-\tunsigned long flags;\n-\n-\t/*\n-\t * The critical section is necessary during external interrupt\n-\t * updates to avoid the risk of losing interrupts due to potential\n-\t * interruptions between reading topei and updating pending status.\n-\t */\n-\n-\traw_spin_lock_irqsave(\u0026imsic-\u003eswfile_extirq_lock, flags);\n \n \tif (imsic_mrif_atomic_read(mrif, \u0026mrif-\u003eeidelivery) \u0026\u0026\n \t    imsic_mrif_topei(mrif, imsic-\u003enr_eix, imsic-\u003enr_msis))\n \t\tkvm_riscv_vcpu_set_interrupt(vcpu, IRQ_VS_EXT);\n \telse\n \t\tkvm_riscv_vcpu_unset_interrupt(vcpu, IRQ_VS_EXT);\n+}\n+\n+static void imsic_swfile_extirq_update(struct kvm_vcpu *vcpu)\n+{\n+\tstruct imsic *imsic = vcpu-\u003earch.aia_context.imsic_state;\n+\tunsigned long flags;\n \n+\traw_spin_lock_irqsave(\u0026imsic-\u003eswfile_extirq_lock, flags);\n+\t__imsic_swfile_extirq_update(vcpu);\n \traw_spin_unlock_irqrestore(\u0026imsic-\u003eswfile_extirq_lock, flags);\n }\n \n@@ -912,12 +911,15 @@ int kvm_riscv_vcpu_aia_imsic_rmw(struct kvm_vcpu *vcpu, unsigned long isel,\n \tstruct imsic_mrif_eix *eix;\n \tint r, rc = KVM_INSN_CONTINUE_NEXT_SEPC;\n \tstruct imsic *imsic = vcpu-\u003earch.aia_context.imsic_state;\n+\tunsigned long flags;\n \n \t/* If IMSIC vCPU state not initialized then forward to user space */\n \tif (!imsic)\n \t\treturn KVM_INSN_EXIT_TO_USER_SPACE;\n \n \tif (isel == KVM_RISCV_AIA_IMSIC_TOPEI) {\n+\t\traw_spin_lock_irqsave(\u0026imsic-\u003eswfile_extirq_lock, flags);\n+\n \t\t/* Read pending and enabled interrupt with highest priority */\n \t\ttopei = imsic_mrif_topei(imsic-\u003eswfile, imsic-\u003enr_eix,\n \t\t\t\t\t imsic-\u003enr_msis);\n@@ -934,16 +936,20 @@ int kvm_riscv_vcpu_aia_imsic_rmw(struct kvm_vcpu *vcpu, unsigned long isel,\n \t\t\t\t\t  eix-\u003eeip);\n \t\t\t}\n \t\t}\n+\t\tif (wr_mask)\n+\t\t\t__imsic_swfile_extirq_update(vcpu);\n+\n+\t\traw_spin_unlock_irqrestore(\u0026imsic-\u003eswfile_extirq_lock, eflags);\n \t} else {\n \t\tr = imsic_mrif_rmw(imsic-\u003eswfile, imsic-\u003enr_eix, isel,\n \t\t\t\t   val, new_val, wr_mask);\n \t\t/* Forward unknown IMSIC register to user-space */\n \t\tif (r)\n \t\t\trc = (r == -ENOENT) ? 0 : KVM_INSN_ILLEGAL_TRAP;\n-\t}\n \n-\tif (wr_mask)\n-\t\timsic_swfile_extirq_update(vcpu);\n+\t\tif (wr_mask)\n+\t\t\timsic_swfile_extirq_update(vcpu);\n+\t}\n \n \treturn rc;\n }\n@@ -1050,9 +1056,17 @@ int kvm_riscv_vcpu_aia_imsic_inject(struct kvm_vcpu *vcpu,\n \tif (imsic-\u003evsfile_cpu \u003e= 0) {\n \t\twritel(iid, imsic-\u003evsfile_va + IMSIC_MMIO_SETIPNUM_LE);\n \t} else {\n+\t\t/*\n+\t\t * Serialize the EIP set + external-irq update against the\n+\t\t * TOPEI read-and-clear path so that an injected interrupt\n+\t\t * cannot be silently lost when the guest acknowledges a\n+\t\t * different (or the same) interrupt concurrently.\n+\t\t */\n+\t\traw_spin_lock(\u0026imsic-\u003eswfile_extirq_lock);\n \t\teix = \u0026imsic-\u003eswfile-\u003eeix[iid / BITS_PER_TYPE(u64)];\n \t\tset_bit(iid \u0026 (BITS_PER_TYPE(u64) - 1), eix-\u003eeip);\n-\t\timsic_swfile_extirq_update(vcpu);\n+\t\t__imsic_swfile_extirq_update(vcpu);\n+\t\traw_spin_unlock(\u0026imsic-\u003eswfile_extirq_lock);\n \t}\n \n \tread_unlock_irqrestore(\u0026imsic-\u003evsfile_lock, flags);\n"
}

core

null

{
  "EnableConfigs": null,
  "FocusSymbols": [],
  "Reasoning": "The patch only modifies arch/riscv/kvm/aia_imsic.c, which is exclusive to the RISC-V architecture and cannot be compiled or executed on the target architecture (amd64).",
  "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 e495b5016d97057738c473b29ebd4e3f487b9627
Author: syz-cluster <triage@syzkaller.com>
Date:   Fri Sep 25 14:40:18 2026 +0000

    syz-cluster: applied patch under review

diff --git a/arch/riscv/kvm/aia_imsic.c b/arch/riscv/kvm/aia_imsic.c
index c1af23e79ae06..490c55419eb22 100644
--- a/arch/riscv/kvm/aia_imsic.c
+++ b/arch/riscv/kvm/aia_imsic.c
@@ -607,26 +607,25 @@ static void imsic_vsfile_cleanup(struct imsic *imsic)
 		kvm_riscv_aia_free_hgei(old_vsfile_cpu, old_vsfile_hgei);
 }
 
-static void imsic_swfile_extirq_update(struct kvm_vcpu *vcpu)
+static void __imsic_swfile_extirq_update(struct kvm_vcpu *vcpu)
 {
 	struct imsic *imsic = vcpu->arch.aia_context.imsic_state;
 	struct imsic_mrif *mrif = imsic->swfile;
-	unsigned long flags;
-
-	/*
-	 * The critical section is necessary during external interrupt
-	 * updates to avoid the risk of losing interrupts due to potential
-	 * interruptions between reading topei and updating pending status.
-	 */
-
-	raw_spin_lock_irqsave(&imsic->swfile_extirq_lock, flags);
 
 	if (imsic_mrif_atomic_read(mrif, &mrif->eidelivery) &&
 	    imsic_mrif_topei(mrif, imsic->nr_eix, imsic->nr_msis))
 		kvm_riscv_vcpu_set_interrupt(vcpu, IRQ_VS_EXT);
 	else
 		kvm_riscv_vcpu_unset_interrupt(vcpu, IRQ_VS_EXT);
+}
+
+static void imsic_swfile_extirq_update(struct kvm_vcpu *vcpu)
+{
+	struct imsic *imsic = vcpu->arch.aia_context.imsic_state;
+	unsigned long flags;
 
+	raw_spin_lock_irqsave(&imsic->swfile_extirq_lock, flags);
+	__imsic_swfile_extirq_update(vcpu);
 	raw_spin_unlock_irqrestore(&imsic->swfile_extirq_lock, flags);
 }
 
@@ -912,12 +911,15 @@ int kvm_riscv_vcpu_aia_imsic_rmw(struct kvm_vcpu *vcpu, unsigned long isel,
 	struct imsic_mrif_eix *eix;
 	int r, rc = KVM_INSN_CONTINUE_NEXT_SEPC;
 	struct imsic *imsic = vcpu->arch.aia_context.imsic_state;
+	unsigned long flags;
 
 	/* If IMSIC vCPU state not initialized then forward to user space */
 	if (!imsic)
 		return KVM_INSN_EXIT_TO_USER_SPACE;
 
 	if (isel == KVM_RISCV_AIA_IMSIC_TOPEI) {
+		raw_spin_lock_irqsave(&imsic->swfile_extirq_lock, flags);
+
 		/* Read pending and enabled interrupt with highest priority */
 		topei = imsic_mrif_topei(imsic->swfile, imsic->nr_eix,
 					 imsic->nr_msis);
@@ -934,16 +936,20 @@ int kvm_riscv_vcpu_aia_imsic_rmw(struct kvm_vcpu *vcpu, unsigned long isel,
 					  eix->eip);
 			}
 		}
+		if (wr_mask)
+			__imsic_swfile_extirq_update(vcpu);
+
+		raw_spin_unlock_irqrestore(&imsic->swfile_extirq_lock, eflags);
 	} else {
 		r = imsic_mrif_rmw(imsic->swfile, imsic->nr_eix, isel,
 				   val, new_val, wr_mask);
 		/* Forward unknown IMSIC register to user-space */
 		if (r)
 			rc = (r == -ENOENT) ? 0 : KVM_INSN_ILLEGAL_TRAP;
-	}
 
-	if (wr_mask)
-		imsic_swfile_extirq_update(vcpu);
+		if (wr_mask)
+			imsic_swfile_extirq_update(vcpu);
+	}
 
 	return rc;
 }
@@ -1050,9 +1056,17 @@ int kvm_riscv_vcpu_aia_imsic_inject(struct kvm_vcpu *vcpu,
 	if (imsic->vsfile_cpu >= 0) {
 		writel(iid, imsic->vsfile_va + IMSIC_MMIO_SETIPNUM_LE);
 	} else {
+		/*
+		 * Serialize the EIP set + external-irq update against the
+		 * TOPEI read-and-clear path so that an injected interrupt
+		 * cannot be silently lost when the guest acknowledges a
+		 * different (or the same) interrupt concurrently.
+		 */
+		raw_spin_lock(&imsic->swfile_extirq_lock);
 		eix = &imsic->swfile->eix[iid / BITS_PER_TYPE(u64)];
 		set_bit(iid & (BITS_PER_TYPE(u64) - 1), eix->eip);
-		imsic_swfile_extirq_update(vcpu);
+		__imsic_swfile_extirq_update(vcpu);
+		raw_spin_unlock(&imsic->swfile_extirq_lock);
 	}
 
 	read_unlock_irqrestore(&imsic->vsfile_lock, flags);

gemini-3.8-flash

null

null

							input: 4183
							output: 42
							thoughts: 337
						

**Evaluating the Patch for Fuzzing with Syzkaller**

Okay, so the task is to determine if this patch justifies fuzzing with syzkaller. The target architecture is amd64, that's crucial. I need to make sure I don't overlook any details.

Alright, the patch modifies `arch/riscv/kvm/aia_imsic.c`. Right away, my alarm bells are going off. Let's see... I need to refer back to the instructions...specifically Section 2, which covers "Unreachable execution paths." It's essential to pinpoint if any parts of the patch could possibly be relevant to amd64.

Okay, let's carefully go through the instructions again, making it clear: the target is amd64, and the patch touches RISC-V KVM code. Can RISC-V KVM code *ever* be compiled or executed on an amd64 kernel? My knowledge tells me that KVM for RISC-V lives under `arch/riscv/`, and on an `amd64` system, the `arch/riscv/` directory is *not* compiled or reachable. This is a critical point.

I'm going to double-check this. I need to absolutely confirm that `arch/riscv` is exclusive to the RISC-V architecture. Yep, the `arch/riscv/kvm/...` path is *only* built when `ARCH=riscv`. That confirms my initial intuition.

Alright, let's make it clear. "Target architecture: amd64" vs. "Unreachable execution paths" which says: "- Code paths exclusive to architectures other than the target architecture."

This demands a thorough verification. I need to be 100% certain. Let's use some tools to really get at this.

I'll check the patch or relevant files. Let's see what tools I have available: grepper, codesearch-dir-index, read-file, set-results... those should be sufficient. I'll pick one and run it. I need to confirm that this is indeed an unreachable code path on amd64. That will give a clear yes/no for the syzkaller fuzzing.

{
  "File": "arch/riscv/kvm/aia_imsic.c",
  "FirstLine": 910,
  "LineCount": 40
}

{
  "Contents": " 910:\t\tu32 topei;\n 911:\t\tstruct imsic_mrif_eix *eix;\n 912:\t\tint r, rc = KVM_INSN_CONTINUE_NEXT_SEPC;\n 913:\t\tstruct imsic *imsic = vcpu-\u003earch.aia_context.imsic_state;\n 914:\t\tunsigned long flags;\n 915:\t\n 916:\t\t/* If IMSIC vCPU state not initialized then forward to user space */\n 917:\t\tif (!imsic)\n 918:\t\t\treturn KVM_INSN_EXIT_TO_USER_SPACE;\n 919:\t\n 920:\t\tif (isel == KVM_RISCV_AIA_IMSIC_TOPEI) {\n 921:\t\t\traw_spin_lock_irqsave(\u0026imsic-\u003eswfile_extirq_lock, flags);\n 922:\t\n 923:\t\t\t/* Read pending and enabled interrupt with highest priority */\n 924:\t\t\ttopei = imsic_mrif_topei(imsic-\u003eswfile, imsic-\u003enr_eix,\n 925:\t\t\t\t\t\t imsic-\u003enr_msis);\n 926:\t\t\tif (val)\n 927:\t\t\t\t*val = topei;\n 928:\t\n 929:\t\t\t/* Writes ignore value and clear top pending interrupt */\n 930:\t\t\tif (topei \u0026\u0026 wr_mask) {\n 931:\t\t\t\ttopei \u003e\u003e= TOPEI_ID_SHIFT;\n 932:\t\t\t\tif (topei) {\n 933:\t\t\t\t\teix = \u0026imsic-\u003eswfile-\u003eeix[topei /\n 934:\t\t\t\t\t\t\t\t  BITS_PER_TYPE(u64)];\n 935:\t\t\t\t\tclear_bit(topei \u0026 (BITS_PER_TYPE(u64) - 1),\n 936:\t\t\t\t\t\t  eix-\u003eeip);\n 937:\t\t\t\t}\n 938:\t\t\t}\n 939:\t\t\tif (wr_mask)\n 940:\t\t\t\t__imsic_swfile_extirq_update(vcpu);\n 941:\t\n 942:\t\t\traw_spin_unlock_irqrestore(\u0026imsic-\u003eswfile_extirq_lock, eflags);\n 943:\t\t} else {\n 944:\t\t\tr = imsic_mrif_rmw(imsic-\u003eswfile, imsic-\u003enr_eix, isel,\n 945:\t\t\t\t\t   val, new_val, wr_mask);\n 946:\t\t\t/* Forward unknown IMSIC register to user-space */\n 947:\t\t\tif (r)\n 948:\t\t\t\trc = (r == -ENOENT) ? 0 : KVM_INSN_ILLEGAL_TRAP;\n 949:\t\n"
}

gemini-3.8-flash

null

null

							input: 5749
							output: 31
							thoughts: 285
						

**Analyzing the Patch's Reachability**

Okay, hold on a second! Line 942, specifically: `raw_spin_unlock_irqrestore(&imsic->swfile_extirq_lock, eflags);` I see `eflags` there, instead of `flags`! This patch wouldn't even *compile* as-is; `eflags` isn't defined, but `flags` is. That's a definite red flag.

And it's not just a syntax issue; this code resides in `arch/riscv/kvm/aia_imsic.c`. That's RISC-V specific, not relevant to AMD64.

Now, let's consult the guidelines. They're pretty clear: "Return WorthFuzzing=false ONLY IF all modified code falls strictly into one or more of these categories... - Code paths exclusive to architectures other than the target architecture."

Given that the patch *exclusively* touches `arch/riscv/kvm/aia_imsic.c`, and the target architecture is AMD64, this code is *structurally unreachable* on the target. We're dealing with a RISC-V-specific path, completely isolated from AMD64.

I'll quickly double-check the HEAD commit to ensure there are no other files involved, but based on this initial analysis, it seems clear.

{
  "Expression": "eflags",
  "PathPrefix": "arch/riscv/kvm/"
}

{
  "Output": "arch/riscv/kvm/aia_imsic.c=906=int kvm_riscv_vcpu_aia_imsic_rmw(struct kvm_vcpu *vcpu, unsigned long isel,\n--\narch/riscv/kvm/aia_imsic.c-941-\narch/riscv/kvm/aia_imsic.c:942:\t\traw_spin_unlock_irqrestore(\u0026imsic-\u003eswfile_extirq_lock, eflags);\narch/riscv/kvm/aia_imsic.c-943-\t} else {\n"
}

gemini-3.8-flash

null

null

							input: 6524
							output: 75
							thoughts: 277
						

**Analyzing the Scope of a RISC-V KVM Patch**

Okay, so the `git diff` shows only `arch/riscv/kvm/aia_imsic.c` has been touched. My immediate instinct is to double-check with `git show --stat` just to be absolutely certain no other files were inadvertently changed in the HEAD commit. I could also use `grepper`, but let's just review the diff provided in the prompt: commit `e495b5016d97057738c473b29ebd4e3f487b9627`. Yep, it's just `aia_imsic.c`.

Aha! This file lives within `arch/riscv/`, which is a dead giveaway. RISC-V is a completely different architecture, and this code's specific to it. Since the target architecture is `amd64`, it's not even a question; this code will not be built or executed on the target. Therefore, this patch is structurally unreachable.

Alright, that's pretty clear-cut. Given that the code paths are unreachable on `amd64`, I'll set the results as:

*   `WorthFuzzing: false`
*   `EnableConfigs: []`
*   `FocusSymbols: []`
*   `Reasoning: The patch modifies code in arch/riscv/kvm/aia_imsic.c, which is exclusive to the RISC-V architecture. Because the target architecture is amd64, these code paths are structurally unreachable.`

Time to call `set-results`.

{
  "EnableConfigs": [],
  "FocusSymbols": [],
  "Reasoning": "The patch only modifies arch/riscv/kvm/aia_imsic.c, which is exclusive to the RISC-V architecture and cannot be compiled or executed on the target architecture (amd64).",
  "WorthFuzzing": false
}

{
  "EnableConfigs": null,
  "FocusSymbols": [],
  "Reasoning": "The patch only modifies arch/riscv/kvm/aia_imsic.c, which is exclusive to the RISC-V architecture and cannot be compiled or executed on the target architecture (amd64).",
  "WorthFuzzing": false
}

{
  "WorthFuzzing": false
}

null