AI Trajectory

Trajectory: (Expand/Collapse All)
Seq	Timestamp	Type	Name	Duration
0/0	2026/07/08 09:14	flow	patch-triage	0m Args: null Results: { "EnableConfigs": null, "FocusSymbols": [], "Reasoning": "The patch only modifies BPF selftests (tools/testing/selftests/bpf/libarena) by renaming a struct. It does not make any functional changes to the core kernel, drivers, or architectures.", "WorthFuzzing": false }
1/1	2026/07/08 09:14	action	read-patch-diff	0m Args: null Results: { "PatchDiff": "commit 278fb0b360e0396763c5883ed7034b98304ca7e1\nAuthor: syz-cluster \u003ctriage@syzkaller.com\u003e\nDate: Wed Jul 8 09:14:06 2026 +0000\n\n syz-cluster: applied patch under review\n\ndiff --git a/tools/testing/selftests/bpf/libarena/include/libarena/bitmap.h b/tools/testing/selftests/bpf/libarena/include/libarena/bitmap.h\nindex cf6b63f5d9a45f..e2431ea6fdd680 100644\n--- a/tools/testing/selftests/bpf/libarena/include/libarena/bitmap.h\n+++ b/tools/testing/selftests/bpf/libarena/include/libarena/bitmap.h\n@@ -8,27 +8,27 @@\n #define BIT_MASK(nr)\t\t(1ULL \u003c\u003c ((nr) % BITS_PER_LONG_LONG))\n #define BIT_WORD(nr)\t\t((nr) / BITS_PER_LONG_LONG)\n \n-struct bitmap {\n+struct arena_bitmap {\n \tu64 bits[0];\n };\n \n-struct bitmap __arena bmp_alloc(size_t bits);\n-void bmp_free(struct bitmap __arena bmp);\n+struct arena_bitmap __arena bmp_alloc(size_t bits);\n+void bmp_free(struct arena_bitmap __arena bmp);\n \n-void __bmp_set_bit(u32 bit, struct bitmap __arena bmp);\n-void __bmp_clear_bit(u32 bit, struct bitmap __arena bmp);\n-void bmp_set_bit(u32 bit, struct bitmap __arena bmp);\n-void bmp_clear_bit(u32 bit, struct bitmap __arena bmp);\n-bool bmp_test_bit(u32 bit, struct bitmap __arena bmp);\n-bool bmp_test_and_clear_bit(u32 bit, struct bitmap __arena bmp);\n-bool bmp_test_and_set_bit(u32 bit, struct bitmap __arena bmp);\n+void __bmp_set_bit(u32 bit, struct arena_bitmap __arena bmp);\n+void __bmp_clear_bit(u32 bit, struct arena_bitmap __arena bmp);\n+void bmp_set_bit(u32 bit, struct arena_bitmap __arena bmp);\n+void bmp_clear_bit(u32 bit, struct arena_bitmap __arena bmp);\n+bool bmp_test_bit(u32 bit, struct arena_bitmap __arena bmp);\n+bool bmp_test_and_clear_bit(u32 bit, struct arena_bitmap __arena bmp);\n+bool bmp_test_and_set_bit(u32 bit, struct arena_bitmap __arena bmp);\n \n-void bmp_clear(size_t bits, struct bitmap __arena bmp);\n-void bmp_and(size_t bits, struct bitmap __arena dst, struct bitmap __arena src1, struct bitmap __arena src2);\n-void bmp_or(size_t bits, struct bitmap __arena dst, struct bitmap __arena src1, struct bitmap __arena src2);\n-bool bmp_empty(size_t bits, struct bitmap __arena bmp);\n-void bmp_copy(size_t bits, struct bitmap __arena dst, struct bitmap __arena src);\n+void bmp_clear(size_t bits, struct arena_bitmap __arena bmp);\n+void bmp_and(size_t bits, struct arena_bitmap __arena dst, struct arena_bitmap __arena src1, struct arena_bitmap __arena src2);\n+void bmp_or(size_t bits, struct arena_bitmap __arena dst, struct arena_bitmap __arena src1, struct arena_bitmap __arena src2);\n+bool bmp_empty(size_t bits, struct arena_bitmap __arena bmp);\n+void bmp_copy(size_t bits, struct arena_bitmap __arena dst, struct arena_bitmap __arena src);\n \n-bool bmp_intersects(size_t bits, struct bitmap __arena arg1, struct bitmap __arena arg2);\n-bool bmp_subset(size_t bits, struct bitmap __arena big, struct bitmap __arena small);\n-void bmp_print(size_t bits, struct bitmap __arena bmp);\n+bool bmp_intersects(size_t bits, struct arena_bitmap __arena arg1, struct arena_bitmap __arena arg2);\n+bool bmp_subset(size_t bits, struct arena_bitmap __arena big, struct arena_bitmap __arena small);\n+void bmp_print(size_t bits, struct arena_bitmap __arena bmp);\ndiff --git a/tools/testing/selftests/bpf/libarena/selftests/test_bitmap.bpf.c b/tools/testing/selftests/bpf/libarena/selftests/test_bitmap.bpf.c\nindex e7d32f44d68709..76319a529f02b7 100644\n--- a/tools/testing/selftests/bpf/libarena/selftests/test_bitmap.bpf.c\n+++ b/tools/testing/selftests/bpf/libarena/selftests/test_bitmap.bpf.c\n@@ -8,7 +8,7 @@\n #define MID_BIT\t\t(BITS_PER_LONG_LONG + 1)\n #define LAST_BIT\t(TEST_BITS - 1)\n \n-static void test_bmp_setall(struct bitmap __arena bmp)\n+static void test_bmp_setall(struct arena_bitmap __arena bmp)\n {\n \tvolatile u32 i;\n \n@@ -19,7 +19,7 @@ static void test_bmp_setall(struct bitmap __arena bmp)\n SEC(\"syscall\")\n __weak int test_bitmap_alloc_free(void)\n {\n-\tstruct bitmap __arena bmp;\n+\tstruct arena_bitmap __arena bmp;\n \n \tbmp = bmp_alloc(TEST_BITS);\n \tif (!bmp)\n@@ -47,7 +47,7 @@ __weak int test_bitmap_alloc_free(void)\n SEC(\"syscall\")\n __weak int test_bitmap_bit_ops(void)\n {\n-\tstruct bitmap __arena bmp;\n+\tstruct arena_bitmap __arena bmp;\n \n \tbmp = bmp_alloc(TEST_BITS);\n \tif (!bmp)\n@@ -97,7 +97,7 @@ __weak int test_bitmap_bit_ops(void)\n \treturn -EINVAL;\n }\n \n-static bool test_bitmap_test_and_clear_single(struct bitmap __arena bmp, size_t ind)\n+static bool test_bitmap_test_and_clear_single(struct arena_bitmap __arena bmp, size_t ind)\n {\n \tif (bmp_test_and_clear_bit(ind, bmp))\n \t\treturn false;\n@@ -116,7 +116,7 @@ static bool test_bitmap_test_and_clear_single(struct bitmap __arena bmp, size_t\n \treturn true;\n }\n \n-static bool test_bitmap_test_and_set_single(struct bitmap __arena bmp, size_t ind)\n+static bool test_bitmap_test_and_set_single(struct arena_bitmap __arena bmp, size_t ind)\n {\n \tif (bmp_test_and_set_bit(ind, bmp))\n \t\treturn false;\n@@ -138,7 +138,7 @@ static bool test_bitmap_test_and_set_single(struct bitmap __arena bmp, size_t i\n SEC(\"syscall\")\n __weak int test_bitmap_test_and_clear_bit(void)\n {\n-\tstruct bitmap __arena bmp;\n+\tstruct arena_bitmap __arena bmp;\n \n \tbmp = bmp_alloc(TEST_BITS);\n \tif (!bmp)\n@@ -167,7 +167,7 @@ __weak int test_bitmap_test_and_clear_bit(void)\n SEC(\"syscall\")\n __weak int test_bitmap_test_and_set_bit(void)\n {\n-\tstruct bitmap __arena bmp;\n+\tstruct arena_bitmap __arena bmp;\n \n \tbmp = bmp_alloc(TEST_BITS);\n \tif (!bmp)\n@@ -194,7 +194,7 @@ __weak int test_bitmap_test_and_set_bit(void)\n SEC(\"syscall\")\n __weak int test_bitmap_and(void)\n {\n-\tstruct bitmap __arena src1 = NULL, src2 = NULL, dst = NULL;\n+\tstruct arena_bitmap __arena src1 = NULL, src2 = NULL, dst = NULL;\n \n \tsrc1 = bmp_alloc(TEST_BITS);\n \tsrc2 = bmp_alloc(TEST_BITS);\n@@ -240,7 +240,7 @@ __weak int test_bitmap_and(void)\n SEC(\"syscall\")\n __weak int test_bitmap_or(void)\n {\n-\tstruct bitmap __arena src1 = NULL, src2 = NULL, dst = NULL;\n+\tstruct arena_bitmap __arena src1 = NULL, src2 = NULL, dst = NULL;\n \n \tsrc1 = bmp_alloc(TEST_BITS);\n \tsrc2 = bmp_alloc(TEST_BITS);\n@@ -285,7 +285,7 @@ __weak int test_bitmap_or(void)\n SEC(\"syscall\")\n __weak int test_bitmap_subset(void)\n {\n-\tstruct bitmap __arena big = NULL, small = NULL;\n+\tstruct arena_bitmap __arena big = NULL, small = NULL;\n \n \tbig = bmp_alloc(TEST_BITS);\n \tsmall = bmp_alloc(TEST_BITS);\n@@ -329,7 +329,7 @@ __weak int test_bitmap_subset(void)\n SEC(\"syscall\")\n __weak int test_bitmap_intersects(void)\n {\n-\tstruct bitmap __arena arg1 = NULL, arg2 = NULL;\n+\tstruct arena_bitmap __arena arg1 = NULL, arg2 = NULL;\n \n \targ1 = bmp_alloc(TEST_BITS);\n \targ2 = bmp_alloc(TEST_BITS);\n@@ -362,7 +362,7 @@ __weak int test_bitmap_intersects(void)\n SEC(\"syscall\")\n __weak int test_bitmap_copy(void)\n {\n-\tstruct bitmap __arena arg1 = NULL, arg2 = NULL;\n+\tstruct arena_bitmap __arena arg1 = NULL, arg2 = NULL;\n \n \targ1 = bmp_alloc(TEST_BITS);\n \targ2 = bmp_alloc(TEST_BITS);\ndiff --git a/tools/testing/selftests/bpf/libarena/selftests/test_parallel_bitmap.bpf.c b/tools/testing/selftests/bpf/libarena/selftests/test_parallel_bitmap.bpf.c\nindex eec2871e2b0d10..ea1fac95b461e5 100644\n--- a/tools/testing/selftests/bpf/libarena/selftests/test_parallel_bitmap.bpf.c\n+++ b/tools/testing/selftests/bpf/libarena/selftests/test_parallel_bitmap.bpf.c\n@@ -12,7 +12,7 @@\n #define TEST_BITMAP_SYNC_SPINS\tBPF_MAX_LOOPS\n #define TEST_BITMAP_ITERS\t10 1000 * 1000\n \n-static struct bitmap __arena bitmap;\n+static struct arena_bitmap __arena bitmap;\n static volatile u64 started;\n static volatile bool test_abort;\n \ndiff --git a/tools/testing/selftests/bpf/libarena/src/bitmap.bpf.c b/tools/testing/selftests/bpf/libarena/src/bitmap.bpf.c\nindex 80e814401fb9ea..5ff8e688ddc760 100644\n--- a/tools/testing/selftests/bpf/libarena/src/bitmap.bpf.c\n+++ b/tools/testing/selftests/bpf/libarena/src/bitmap.bpf.c\n@@ -10,16 +10,16 @@\n #include \u003clibarena/bitmap.h\u003e\n \n __weak\n-struct bitmap __arena bmp_alloc(size_t bits)\n+struct arena_bitmap __arena bmp_alloc(size_t bits)\n {\n-\tstruct bitmap __arena bmp;\n+\tstruct arena_bitmap __arena bmp;\n \tsize_t size = BITS_TO_LONG_LONGS(bits) * sizeof(bmp-\u003ebits[0]);\n \n \t/* Assume long-aligned masks. /\n \tif (bits % BITS_PER_LONG_LONG)\n \t\treturn NULL;\n \n-\tbmp = (struct bitmap __arena )arena_malloc(size);\n+\tbmp = (struct arena_bitmap __arena )arena_malloc(size);\n \tif (!bmp)\n \t\treturn NULL;\n \n@@ -29,31 +29,31 @@ struct bitmap __arena bmp_alloc(size_t bits)\n }\n \n __weak\n-void bmp_free(struct bitmap __arena bmp)\n+void bmp_free(struct arena_bitmap __arena bmp)\n {\n \tarena_free(bmp);\n }\n \n __weak\n-void __bmp_set_bit(u32 bit, struct bitmap __arena bmp)\n+void __bmp_set_bit(u32 bit, struct arena_bitmap __arena bmp)\n {\n \tbmp-\u003ebits[BIT_WORD(bit)] \|= BIT_MASK(bit);\n }\n \n __weak\n-void __bmp_clear_bit(u32 bit, struct bitmap __arena bmp)\n+void __bmp_clear_bit(u32 bit, struct arena_bitmap __arena bmp)\n {\n \tbmp-\u003ebits[BIT_WORD(bit)] \u0026= ~BIT_MASK(bit);\n }\n \n __weak\n-bool bmp_test_bit(u32 bit, struct bitmap __arena bmp)\n+bool bmp_test_bit(u32 bit, struct arena_bitmap __arena bmp)\n {\n \treturn bmp-\u003ebits[BIT_WORD(bit)] \u0026 BIT_MASK(bit);\n }\n \n __weak\n-bool bmp_test_and_clear_bit(u32 bit, struct bitmap __arena bmp)\n+bool bmp_test_and_clear_bit(u32 bit, struct arena_bitmap __arena bmp)\n {\n \tu64 val = BIT_MASK(bit);\n \tu32 idx = BIT_WORD(bit);\n@@ -77,7 +77,7 @@ bool bmp_test_and_clear_bit(u32 bit, struct bitmap __arena bmp)\n }\n \n __weak\n-bool bmp_test_and_set_bit(u32 bit, struct bitmap __arena bmp)\n+bool bmp_test_and_set_bit(u32 bit, struct arena_bitmap __arena bmp)\n {\n \tu64 val = BIT_MASK(bit);\n \tu32 idx = BIT_WORD(bit);\n@@ -101,7 +101,7 @@ bool bmp_test_and_set_bit(u32 bit, struct bitmap __arena bmp)\n }\n \n __weak\n-void bmp_clear_bit(u32 bit, struct bitmap __arena bmp)\n+void bmp_clear_bit(u32 bit, struct arena_bitmap __arena bmp)\n {\n \tu64 val = BIT_MASK(bit);\n \tu32 idx = BIT_WORD(bit);\n@@ -116,7 +116,7 @@ void bmp_clear_bit(u32 bit, struct bitmap __arena bmp)\n }\n \n __weak\n-void bmp_set_bit(u32 bit, struct bitmap __arena bmp)\n+void bmp_set_bit(u32 bit, struct arena_bitmap __arena bmp)\n {\n \tu64 val = BIT_MASK(bit);\n \tu32 idx = BIT_WORD(bit);\n@@ -131,7 +131,7 @@ void bmp_set_bit(u32 bit, struct bitmap __arena bmp)\n }\n \n __weak\n-void bmp_clear(size_t bits, struct bitmap __arena bmp)\n+void bmp_clear(size_t bits, struct arena_bitmap __arena bmp)\n {\n \tsize_t nwords = BITS_TO_LONG_LONGS(bits);\n \tvolatile u32 i;\n@@ -148,7 +148,7 @@ static __always_inline u64 bmp_last_word_mask(size_t bits)\n }\n \n __weak\n-void bmp_and(size_t bits, struct bitmap __arena dst, struct bitmap __arena src1, struct bitmap __arena src2)\n+void bmp_and(size_t bits, struct arena_bitmap __arena dst, struct arena_bitmap __arena src1, struct arena_bitmap __arena src2)\n {\n \tsize_t nwords = BITS_TO_LONG_LONGS(bits);\n \tvolatile u32 i;\n@@ -161,7 +161,7 @@ void bmp_and(size_t bits, struct bitmap __arena dst, struct bitmap __arena src\n }\n \n __weak\n-void bmp_or(size_t bits, struct bitmap __arena dst, struct bitmap __arena src1, struct bitmap __arena src2)\n+void bmp_or(size_t bits, struct arena_bitmap __arena dst, struct arena_bitmap __arena src1, struct arena_bitmap __arena src2)\n {\n \tsize_t nwords = BITS_TO_LONG_LONGS(bits);\n \tvolatile u32 i;\n@@ -174,7 +174,7 @@ void bmp_or(size_t bits, struct bitmap __arena dst, struct bitmap __arena src1\n }\n \n __weak\n-bool bmp_empty(size_t bits, struct bitmap __arena bmp)\n+bool bmp_empty(size_t bits, struct arena_bitmap __arena bmp)\n {\n \tsize_t nwords = BITS_TO_LONG_LONGS(bits);\n \tvolatile u32 i;\n@@ -190,7 +190,7 @@ bool bmp_empty(size_t bits, struct bitmap __arena bmp)\n }\n \n __weak\n-void bmp_copy(size_t bits, struct bitmap __arena dst, struct bitmap __arena src)\n+void bmp_copy(size_t bits, struct arena_bitmap __arena dst, struct arena_bitmap __arena src)\n {\n \tsize_t nwords = BITS_TO_LONG_LONGS(bits);\n \tvolatile u32 i;\n@@ -203,7 +203,7 @@ void bmp_copy(size_t bits, struct bitmap __arena dst, struct bitmap __arena sr\n }\n \n __weak\n-bool bmp_subset(size_t bits, struct bitmap __arena big, struct bitmap __arena small)\n+bool bmp_subset(size_t bits, struct arena_bitmap __arena big, struct arena_bitmap __arena small)\n {\n \tsize_t nwords = BITS_TO_LONG_LONGS(bits);\n \tvolatile u32 i;\n@@ -219,7 +219,7 @@ bool bmp_subset(size_t bits, struct bitmap __arena big, struct bitmap __arena \n }\n \n __weak\n-bool bmp_intersects(size_t bits, struct bitmap __arena arg1, struct bitmap __arena arg2)\n+bool bmp_intersects(size_t bits, struct arena_bitmap __arena arg1, struct arena_bitmap __arena arg2)\n {\n \tsize_t nwords = BITS_TO_LONG_LONGS(bits);\n \tvolatile u32 i;\n@@ -235,7 +235,7 @@ bool bmp_intersects(size_t bits, struct bitmap __arena arg1, struct bitmap __ar\n }\n \n __weak\n-void bmp_print(size_t bits, struct bitmap __arena bmp)\n+void bmp_print(size_t bits, struct arena_bitmap __arena bmp)\n {\n \tsize_t nwords = BITS_TO_LONG_LONGS(bits);\n \tvolatile u32 i;\n" }
2/1	2026/07/08 09:14	agent	patch-evaluator	0m Model: gemini-3.1-pro-preview Args: null Results: { "EnableConfigs": null, "FocusSymbols": [], "Reasoning": "The patch only modifies BPF selftests (tools/testing/selftests/bpf/libarena) by renaming a struct. It does not make any functional changes to the core kernel, drivers, or architectures.", "WorthFuzzing": false } Instruction: 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). 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. 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. Do not list too generic configs (we already have them enabled). Only list those that specifically cover the modified code. 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. Prompt: For your convenience, here is the diff of the changes: commit 278fb0b360e0396763c5883ed7034b98304ca7e1 Author: syz-cluster <triage@syzkaller.com> Date: Wed Jul 8 09:14:06 2026 +0000 syz-cluster: applied patch under review diff --git a/tools/testing/selftests/bpf/libarena/include/libarena/bitmap.h b/tools/testing/selftests/bpf/libarena/include/libarena/bitmap.h index cf6b63f5d9a45f..e2431ea6fdd680 100644 --- a/tools/testing/selftests/bpf/libarena/include/libarena/bitmap.h +++ b/tools/testing/selftests/bpf/libarena/include/libarena/bitmap.h @@ -8,27 +8,27 @@ #define BIT_MASK(nr) (1ULL << ((nr) % BITS_PER_LONG_LONG)) #define BIT_WORD(nr) ((nr) / BITS_PER_LONG_LONG) -struct bitmap { +struct arena_bitmap { u64 bits[0]; }; -struct bitmap __arena bmp_alloc(size_t bits); -void bmp_free(struct bitmap __arena bmp); +struct arena_bitmap __arena bmp_alloc(size_t bits); +void bmp_free(struct arena_bitmap __arena bmp); -void __bmp_set_bit(u32 bit, struct bitmap __arena bmp); -void __bmp_clear_bit(u32 bit, struct bitmap __arena bmp); -void bmp_set_bit(u32 bit, struct bitmap __arena bmp); -void bmp_clear_bit(u32 bit, struct bitmap __arena bmp); -bool bmp_test_bit(u32 bit, struct bitmap __arena bmp); -bool bmp_test_and_clear_bit(u32 bit, struct bitmap __arena bmp); -bool bmp_test_and_set_bit(u32 bit, struct bitmap __arena bmp); +void __bmp_set_bit(u32 bit, struct arena_bitmap __arena bmp); +void __bmp_clear_bit(u32 bit, struct arena_bitmap __arena bmp); +void bmp_set_bit(u32 bit, struct arena_bitmap __arena bmp); +void bmp_clear_bit(u32 bit, struct arena_bitmap __arena bmp); +bool bmp_test_bit(u32 bit, struct arena_bitmap __arena bmp); +bool bmp_test_and_clear_bit(u32 bit, struct arena_bitmap __arena bmp); +bool bmp_test_and_set_bit(u32 bit, struct arena_bitmap __arena bmp); -void bmp_clear(size_t bits, struct bitmap __arena bmp); -void bmp_and(size_t bits, struct bitmap __arena dst, struct bitmap __arena src1, struct bitmap __arena src2); -void bmp_or(size_t bits, struct bitmap __arena dst, struct bitmap __arena src1, struct bitmap __arena src2); -bool bmp_empty(size_t bits, struct bitmap __arena bmp); -void bmp_copy(size_t bits, struct bitmap __arena dst, struct bitmap __arena src); +void bmp_clear(size_t bits, struct arena_bitmap __arena bmp); +void bmp_and(size_t bits, struct arena_bitmap __arena dst, struct arena_bitmap __arena src1, struct arena_bitmap __arena src2); +void bmp_or(size_t bits, struct arena_bitmap __arena dst, struct arena_bitmap __arena src1, struct arena_bitmap __arena src2); +bool bmp_empty(size_t bits, struct arena_bitmap __arena bmp); +void bmp_copy(size_t bits, struct arena_bitmap __arena dst, struct arena_bitmap __arena src); -bool bmp_intersects(size_t bits, struct bitmap __arena arg1, struct bitmap __arena arg2); -bool bmp_subset(size_t bits, struct bitmap __arena big, struct bitmap __arena small); -void bmp_print(size_t bits, struct bitmap __arena bmp); +bool bmp_intersects(size_t bits, struct arena_bitmap __arena arg1, struct arena_bitmap __arena arg2); +bool bmp_subset(size_t bits, struct arena_bitmap __arena big, struct arena_bitmap __arena small); +void bmp_print(size_t bits, struct arena_bitmap __arena bmp); diff --git a/tools/testing/selftests/bpf/libarena/selftests/test_bitmap.bpf.c b/tools/testing/selftests/bpf/libarena/selftests/test_bitmap.bpf.c index e7d32f44d68709..76319a529f02b7 100644 --- a/tools/testing/selftests/bpf/libarena/selftests/test_bitmap.bpf.c +++ b/tools/testing/selftests/bpf/libarena/selftests/test_bitmap.bpf.c @@ -8,7 +8,7 @@ #define MID_BIT (BITS_PER_LONG_LONG + 1) #define LAST_BIT (TEST_BITS - 1) -static void test_bmp_setall(struct bitmap __arena bmp) +static void test_bmp_setall(struct arena_bitmap __arena bmp) { volatile u32 i; @@ -19,7 +19,7 @@ static void test_bmp_setall(struct bitmap __arena bmp) SEC("syscall") __weak int test_bitmap_alloc_free(void) { - struct bitmap __arena bmp; + struct arena_bitmap __arena bmp; bmp = bmp_alloc(TEST_BITS); if (!bmp) @@ -47,7 +47,7 @@ __weak int test_bitmap_alloc_free(void) SEC("syscall") __weak int test_bitmap_bit_ops(void) { - struct bitmap __arena bmp; + struct arena_bitmap __arena bmp; bmp = bmp_alloc(TEST_BITS); if (!bmp) @@ -97,7 +97,7 @@ __weak int test_bitmap_bit_ops(void) return -EINVAL; } -static bool test_bitmap_test_and_clear_single(struct bitmap __arena bmp, size_t ind) +static bool test_bitmap_test_and_clear_single(struct arena_bitmap __arena bmp, size_t ind) { if (bmp_test_and_clear_bit(ind, bmp)) return false; @@ -116,7 +116,7 @@ static bool test_bitmap_test_and_clear_single(struct bitmap __arena bmp, size_t return true; } -static bool test_bitmap_test_and_set_single(struct bitmap __arena bmp, size_t ind) +static bool test_bitmap_test_and_set_single(struct arena_bitmap __arena bmp, size_t ind) { if (bmp_test_and_set_bit(ind, bmp)) return false; @@ -138,7 +138,7 @@ static bool test_bitmap_test_and_set_single(struct bitmap __arena bmp, size_t i SEC("syscall") __weak int test_bitmap_test_and_clear_bit(void) { - struct bitmap __arena bmp; + struct arena_bitmap __arena bmp; bmp = bmp_alloc(TEST_BITS); if (!bmp) @@ -167,7 +167,7 @@ __weak int test_bitmap_test_and_clear_bit(void) SEC("syscall") __weak int test_bitmap_test_and_set_bit(void) { - struct bitmap __arena bmp; + struct arena_bitmap __arena bmp; bmp = bmp_alloc(TEST_BITS); if (!bmp) @@ -194,7 +194,7 @@ __weak int test_bitmap_test_and_set_bit(void) SEC("syscall") __weak int test_bitmap_and(void) { - struct bitmap __arena src1 = NULL, src2 = NULL, dst = NULL; + struct arena_bitmap __arena src1 = NULL, src2 = NULL, dst = NULL; src1 = bmp_alloc(TEST_BITS); src2 = bmp_alloc(TEST_BITS); @@ -240,7 +240,7 @@ __weak int test_bitmap_and(void) SEC("syscall") __weak int test_bitmap_or(void) { - struct bitmap __arena src1 = NULL, src2 = NULL, dst = NULL; + struct arena_bitmap __arena src1 = NULL, src2 = NULL, dst = NULL; src1 = bmp_alloc(TEST_BITS); src2 = bmp_alloc(TEST_BITS); @@ -285,7 +285,7 @@ __weak int test_bitmap_or(void) SEC("syscall") __weak int test_bitmap_subset(void) { - struct bitmap __arena big = NULL, small = NULL; + struct arena_bitmap __arena big = NULL, small = NULL; big = bmp_alloc(TEST_BITS); small = bmp_alloc(TEST_BITS); @@ -329,7 +329,7 @@ __weak int test_bitmap_subset(void) SEC("syscall") __weak int test_bitmap_intersects(void) { - struct bitmap __arena arg1 = NULL, arg2 = NULL; + struct arena_bitmap __arena arg1 = NULL, arg2 = NULL; arg1 = bmp_alloc(TEST_BITS); arg2 = bmp_alloc(TEST_BITS); @@ -362,7 +362,7 @@ __weak int test_bitmap_intersects(void) SEC("syscall") __weak int test_bitmap_copy(void) { - struct bitmap __arena arg1 = NULL, arg2 = NULL; + struct arena_bitmap __arena arg1 = NULL, arg2 = NULL; arg1 = bmp_alloc(TEST_BITS); arg2 = bmp_alloc(TEST_BITS); diff --git a/tools/testing/selftests/bpf/libarena/selftests/test_parallel_bitmap.bpf.c b/tools/testing/selftests/bpf/libarena/selftests/test_parallel_bitmap.bpf.c index eec2871e2b0d10..ea1fac95b461e5 100644 --- a/tools/testing/selftests/bpf/libarena/selftests/test_parallel_bitmap.bpf.c +++ b/tools/testing/selftests/bpf/libarena/selftests/test_parallel_bitmap.bpf.c @@ -12,7 +12,7 @@ #define TEST_BITMAP_SYNC_SPINS BPF_MAX_LOOPS #define TEST_BITMAP_ITERS 10 1000 * 1000 -static struct bitmap __arena bitmap; +static struct arena_bitmap __arena bitmap; static volatile u64 started; static volatile bool test_abort; diff --git a/tools/testing/selftests/bpf/libarena/src/bitmap.bpf.c b/tools/testing/selftests/bpf/libarena/src/bitmap.bpf.c index 80e814401fb9ea..5ff8e688ddc760 100644 --- a/tools/testing/selftests/bpf/libarena/src/bitmap.bpf.c +++ b/tools/testing/selftests/bpf/libarena/src/bitmap.bpf.c @@ -10,16 +10,16 @@ #include <libarena/bitmap.h> __weak -struct bitmap __arena bmp_alloc(size_t bits) +struct arena_bitmap __arena bmp_alloc(size_t bits) { - struct bitmap __arena bmp; + struct arena_bitmap __arena bmp; size_t size = BITS_TO_LONG_LONGS(bits) * sizeof(bmp->bits[0]); /* Assume long-aligned masks. / if (bits % BITS_PER_LONG_LONG) return NULL; - bmp = (struct bitmap __arena )arena_malloc(size); + bmp = (struct arena_bitmap __arena )arena_malloc(size); if (!bmp) return NULL; @@ -29,31 +29,31 @@ struct bitmap __arena bmp_alloc(size_t bits) } __weak -void bmp_free(struct bitmap __arena bmp) +void bmp_free(struct arena_bitmap __arena bmp) { arena_free(bmp); } __weak -void __bmp_set_bit(u32 bit, struct bitmap __arena bmp) +void __bmp_set_bit(u32 bit, struct arena_bitmap __arena bmp) { bmp->bits[BIT_WORD(bit)] \|= BIT_MASK(bit); } __weak -void __bmp_clear_bit(u32 bit, struct bitmap __arena bmp) +void __bmp_clear_bit(u32 bit, struct arena_bitmap __arena bmp) { bmp->bits[BIT_WORD(bit)] &= ~BIT_MASK(bit); } __weak -bool bmp_test_bit(u32 bit, struct bitmap __arena bmp) +bool bmp_test_bit(u32 bit, struct arena_bitmap __arena bmp) { return bmp->bits[BIT_WORD(bit)] & BIT_MASK(bit); } __weak -bool bmp_test_and_clear_bit(u32 bit, struct bitmap __arena bmp) +bool bmp_test_and_clear_bit(u32 bit, struct arena_bitmap __arena bmp) { u64 val = BIT_MASK(bit); u32 idx = BIT_WORD(bit); @@ -77,7 +77,7 @@ bool bmp_test_and_clear_bit(u32 bit, struct bitmap __arena bmp) } __weak -bool bmp_test_and_set_bit(u32 bit, struct bitmap __arena bmp) +bool bmp_test_and_set_bit(u32 bit, struct arena_bitmap __arena bmp) { u64 val = BIT_MASK(bit); u32 idx = BIT_WORD(bit); @@ -101,7 +101,7 @@ bool bmp_test_and_set_bit(u32 bit, struct bitmap __arena bmp) } __weak -void bmp_clear_bit(u32 bit, struct bitmap __arena bmp) +void bmp_clear_bit(u32 bit, struct arena_bitmap __arena bmp) { u64 val = BIT_MASK(bit); u32 idx = BIT_WORD(bit); @@ -116,7 +116,7 @@ void bmp_clear_bit(u32 bit, struct bitmap __arena bmp) } __weak -void bmp_set_bit(u32 bit, struct bitmap __arena bmp) +void bmp_set_bit(u32 bit, struct arena_bitmap __arena bmp) { u64 val = BIT_MASK(bit); u32 idx = BIT_WORD(bit); @@ -131,7 +131,7 @@ void bmp_set_bit(u32 bit, struct bitmap __arena bmp) } __weak -void bmp_clear(size_t bits, struct bitmap __arena bmp) +void bmp_clear(size_t bits, struct arena_bitmap __arena bmp) { size_t nwords = BITS_TO_LONG_LONGS(bits); volatile u32 i; @@ -148,7 +148,7 @@ static __always_inline u64 bmp_last_word_mask(size_t bits) } __weak -void bmp_and(size_t bits, struct bitmap __arena dst, struct bitmap __arena src1, struct bitmap __arena src2) +void bmp_and(size_t bits, struct arena_bitmap __arena dst, struct arena_bitmap __arena src1, struct arena_bitmap __arena src2) { size_t nwords = BITS_TO_LONG_LONGS(bits); volatile u32 i; @@ -161,7 +161,7 @@ void bmp_and(size_t bits, struct bitmap __arena dst, struct bitmap __arena src } __weak -void bmp_or(size_t bits, struct bitmap __arena dst, struct bitmap __arena src1, struct bitmap __arena src2) +void bmp_or(size_t bits, struct arena_bitmap __arena dst, struct arena_bitmap __arena src1, struct arena_bitmap __arena src2) { size_t nwords = BITS_TO_LONG_LONGS(bits); volatile u32 i; @@ -174,7 +174,7 @@ void bmp_or(size_t bits, struct bitmap __arena dst, struct bitmap __arena src1 } __weak -bool bmp_empty(size_t bits, struct bitmap __arena bmp) +bool bmp_empty(size_t bits, struct arena_bitmap __arena bmp) { size_t nwords = BITS_TO_LONG_LONGS(bits); volatile u32 i; @@ -190,7 +190,7 @@ bool bmp_empty(size_t bits, struct bitmap __arena bmp) } __weak -void bmp_copy(size_t bits, struct bitmap __arena dst, struct bitmap __arena src) +void bmp_copy(size_t bits, struct arena_bitmap __arena dst, struct arena_bitmap __arena src) { size_t nwords = BITS_TO_LONG_LONGS(bits); volatile u32 i; @@ -203,7 +203,7 @@ void bmp_copy(size_t bits, struct bitmap __arena dst, struct bitmap __arena sr } __weak -bool bmp_subset(size_t bits, struct bitmap __arena big, struct bitmap __arena small) +bool bmp_subset(size_t bits, struct arena_bitmap __arena big, struct arena_bitmap __arena small) { size_t nwords = BITS_TO_LONG_LONGS(bits); volatile u32 i; @@ -219,7 +219,7 @@ bool bmp_subset(size_t bits, struct bitmap __arena big, struct bitmap __arena * } __weak -bool bmp_intersects(size_t bits, struct bitmap __arena arg1, struct bitmap __arena arg2) +bool bmp_intersects(size_t bits, struct arena_bitmap __arena arg1, struct arena_bitmap __arena arg2) { size_t nwords = BITS_TO_LONG_LONGS(bits); volatile u32 i; @@ -235,7 +235,7 @@ bool bmp_intersects(size_t bits, struct bitmap __arena arg1, struct bitmap __ar } __weak -void bmp_print(size_t bits, struct bitmap __arena bmp) +void bmp_print(size_t bits, struct arena_bitmap __arena *bmp) { size_t nwords = BITS_TO_LONG_LONGS(bits); volatile u32 i;
3/2	2026/07/08 09:14	llm	patch-evaluator	0m Model: gemini-3.1-pro-preview Args: null Results: null Tokens: input: 6601 output: 77 thoughts: 269 Thoughts: WorthFuzzing=False: A Quick Assessment Okay, so I'm looking at this patch. It's renaming `struct bitmap` to `struct arena_bitmap`, but only within the `tools/testing/selftests/bpf/libarena/` directory. That's a key point. This is exclusively a BPF self-test change, specifically confined to that `libarena` section. No kernel core, no drivers, no architecture-specific code is being touched. It’s entirely localized within the testing framework. Given this scope, the patch is changing names and should be considered a refactor. It’s not altering any core kernel functionality that would benefit from fuzzing. I need to confirm the diff, but I anticipate it only modifies the header file and the respective self tests. Let me take a quick look: * `tools/testing/selftests/bpf/libarena/include/libarena/bitmap.h` * `tools/testing/selftests/bpf/libarena/selftests/test_bitmap.bpf.c` * `tools/testing/selftests/bpf/libarena/selftests/test_parallel_bitmap.bpf.c` * `tools/testing/selftests/bpf/libarena/src/bitmap.bpf.c` Yes, as expected, all the modifications are within `tools/testing/selftests/`. Therefore, I'm confident in setting `WorthFuzzing=false`. I’ll call `set-results` and mark this patch accordingly.
4/2	2026/07/08 09:14	tool	set-results	0m Args: { "EnableConfigs": [], "FocusSymbols": [], "Reasoning": "The patch only modifies BPF selftests (tools/testing/selftests/bpf/libarena) by renaming a struct. It does not make any functional changes to the core kernel, drivers, or architectures.", "WorthFuzzing": false } Results: { "EnableConfigs": null, "FocusSymbols": [], "Reasoning": "The patch only modifies BPF selftests (tools/testing/selftests/bpf/libarena) by renaming a struct. It does not make any functional changes to the core kernel, drivers, or architectures.", "WorthFuzzing": false }

Trajectory: (Expand/Collapse All)

Seq

Timestamp

Type

Name

Duration

0/0

2026/07/08 09:14

flow

patch-triage

Args:

null

Results:

{
  "EnableConfigs": null,
  "FocusSymbols": [],
  "Reasoning": "The patch only modifies BPF selftests (tools/testing/selftests/bpf/libarena) by renaming a struct. It does not make any functional changes to the core kernel, drivers, or architectures.",
  "WorthFuzzing": false
}

1/1

2026/07/08 09:14

action

read-patch-diff

Args:

null

Results:

{
  "PatchDiff": "commit 278fb0b360e0396763c5883ed7034b98304ca7e1\nAuthor: syz-cluster \u003ctriage@syzkaller.com\u003e\nDate:   Wed Jul 8 09:14:06 2026 +0000\n\n    syz-cluster: applied patch under review\n\ndiff --git a/tools/testing/selftests/bpf/libarena/include/libarena/bitmap.h b/tools/testing/selftests/bpf/libarena/include/libarena/bitmap.h\nindex cf6b63f5d9a45f..e2431ea6fdd680 100644\n--- a/tools/testing/selftests/bpf/libarena/include/libarena/bitmap.h\n+++ b/tools/testing/selftests/bpf/libarena/include/libarena/bitmap.h\n@@ -8,27 +8,27 @@\n #define BIT_MASK(nr)\t\t(1ULL \u003c\u003c ((nr) % BITS_PER_LONG_LONG))\n #define BIT_WORD(nr)\t\t((nr) / BITS_PER_LONG_LONG)\n \n-struct bitmap {\n+struct arena_bitmap {\n \tu64 bits[0];\n };\n \n-struct bitmap __arena *bmp_alloc(size_t bits);\n-void bmp_free(struct bitmap __arena *bmp);\n+struct arena_bitmap __arena *bmp_alloc(size_t bits);\n+void bmp_free(struct arena_bitmap __arena *bmp);\n \n-void __bmp_set_bit(u32 bit, struct bitmap __arena *bmp);\n-void __bmp_clear_bit(u32 bit, struct bitmap __arena *bmp);\n-void bmp_set_bit(u32 bit, struct bitmap __arena *bmp);\n-void bmp_clear_bit(u32 bit, struct bitmap __arena *bmp);\n-bool bmp_test_bit(u32 bit, struct bitmap __arena *bmp);\n-bool bmp_test_and_clear_bit(u32 bit, struct bitmap __arena *bmp);\n-bool bmp_test_and_set_bit(u32 bit, struct bitmap __arena *bmp);\n+void __bmp_set_bit(u32 bit, struct arena_bitmap __arena *bmp);\n+void __bmp_clear_bit(u32 bit, struct arena_bitmap __arena *bmp);\n+void bmp_set_bit(u32 bit, struct arena_bitmap __arena *bmp);\n+void bmp_clear_bit(u32 bit, struct arena_bitmap __arena *bmp);\n+bool bmp_test_bit(u32 bit, struct arena_bitmap __arena *bmp);\n+bool bmp_test_and_clear_bit(u32 bit, struct arena_bitmap __arena *bmp);\n+bool bmp_test_and_set_bit(u32 bit, struct arena_bitmap __arena *bmp);\n \n-void bmp_clear(size_t bits, struct bitmap __arena *bmp);\n-void bmp_and(size_t bits, struct bitmap __arena *dst, struct bitmap __arena *src1, struct bitmap __arena *src2);\n-void bmp_or(size_t bits, struct bitmap __arena *dst, struct bitmap __arena *src1, struct bitmap __arena *src2);\n-bool bmp_empty(size_t bits, struct bitmap __arena *bmp);\n-void bmp_copy(size_t bits, struct bitmap __arena *dst, struct bitmap __arena *src);\n+void bmp_clear(size_t bits, struct arena_bitmap __arena *bmp);\n+void bmp_and(size_t bits, struct arena_bitmap __arena *dst, struct arena_bitmap __arena *src1, struct arena_bitmap __arena *src2);\n+void bmp_or(size_t bits, struct arena_bitmap __arena *dst, struct arena_bitmap __arena *src1, struct arena_bitmap __arena *src2);\n+bool bmp_empty(size_t bits, struct arena_bitmap __arena *bmp);\n+void bmp_copy(size_t bits, struct arena_bitmap __arena *dst, struct arena_bitmap __arena *src);\n \n-bool bmp_intersects(size_t bits, struct bitmap __arena *arg1, struct bitmap __arena *arg2);\n-bool bmp_subset(size_t bits, struct bitmap __arena *big, struct bitmap __arena *small);\n-void bmp_print(size_t bits, struct bitmap __arena *bmp);\n+bool bmp_intersects(size_t bits, struct arena_bitmap __arena *arg1, struct arena_bitmap __arena *arg2);\n+bool bmp_subset(size_t bits, struct arena_bitmap __arena *big, struct arena_bitmap __arena *small);\n+void bmp_print(size_t bits, struct arena_bitmap __arena *bmp);\ndiff --git a/tools/testing/selftests/bpf/libarena/selftests/test_bitmap.bpf.c b/tools/testing/selftests/bpf/libarena/selftests/test_bitmap.bpf.c\nindex e7d32f44d68709..76319a529f02b7 100644\n--- a/tools/testing/selftests/bpf/libarena/selftests/test_bitmap.bpf.c\n+++ b/tools/testing/selftests/bpf/libarena/selftests/test_bitmap.bpf.c\n@@ -8,7 +8,7 @@\n #define MID_BIT\t\t(BITS_PER_LONG_LONG + 1)\n #define LAST_BIT\t(TEST_BITS - 1)\n \n-static void test_bmp_setall(struct bitmap __arena *bmp)\n+static void test_bmp_setall(struct arena_bitmap __arena *bmp)\n {\n \tvolatile u32 i;\n \n@@ -19,7 +19,7 @@ static void test_bmp_setall(struct bitmap __arena *bmp)\n SEC(\"syscall\")\n __weak int test_bitmap_alloc_free(void)\n {\n-\tstruct bitmap __arena *bmp;\n+\tstruct arena_bitmap __arena *bmp;\n \n \tbmp = bmp_alloc(TEST_BITS);\n \tif (!bmp)\n@@ -47,7 +47,7 @@ __weak int test_bitmap_alloc_free(void)\n SEC(\"syscall\")\n __weak int test_bitmap_bit_ops(void)\n {\n-\tstruct bitmap __arena *bmp;\n+\tstruct arena_bitmap __arena *bmp;\n \n \tbmp = bmp_alloc(TEST_BITS);\n \tif (!bmp)\n@@ -97,7 +97,7 @@ __weak int test_bitmap_bit_ops(void)\n \treturn -EINVAL;\n }\n \n-static bool test_bitmap_test_and_clear_single(struct bitmap __arena *bmp, size_t ind)\n+static bool test_bitmap_test_and_clear_single(struct arena_bitmap __arena *bmp, size_t ind)\n {\n \tif (bmp_test_and_clear_bit(ind, bmp))\n \t\treturn false;\n@@ -116,7 +116,7 @@ static bool test_bitmap_test_and_clear_single(struct bitmap __arena *bmp, size_t\n \treturn true;\n }\n \n-static bool test_bitmap_test_and_set_single(struct bitmap __arena *bmp, size_t ind)\n+static bool test_bitmap_test_and_set_single(struct arena_bitmap __arena *bmp, size_t ind)\n {\n \tif (bmp_test_and_set_bit(ind, bmp))\n \t\treturn false;\n@@ -138,7 +138,7 @@ static bool test_bitmap_test_and_set_single(struct bitmap __arena *bmp, size_t i\n SEC(\"syscall\")\n __weak int test_bitmap_test_and_clear_bit(void)\n {\n-\tstruct bitmap __arena *bmp;\n+\tstruct arena_bitmap __arena *bmp;\n \n \tbmp = bmp_alloc(TEST_BITS);\n \tif (!bmp)\n@@ -167,7 +167,7 @@ __weak int test_bitmap_test_and_clear_bit(void)\n SEC(\"syscall\")\n __weak int test_bitmap_test_and_set_bit(void)\n {\n-\tstruct bitmap __arena *bmp;\n+\tstruct arena_bitmap __arena *bmp;\n \n \tbmp = bmp_alloc(TEST_BITS);\n \tif (!bmp)\n@@ -194,7 +194,7 @@ __weak int test_bitmap_test_and_set_bit(void)\n SEC(\"syscall\")\n __weak int test_bitmap_and(void)\n {\n-\tstruct bitmap __arena *src1 = NULL, *src2 = NULL, *dst = NULL;\n+\tstruct arena_bitmap __arena *src1 = NULL, *src2 = NULL, *dst = NULL;\n \n \tsrc1 = bmp_alloc(TEST_BITS);\n \tsrc2 = bmp_alloc(TEST_BITS);\n@@ -240,7 +240,7 @@ __weak int test_bitmap_and(void)\n SEC(\"syscall\")\n __weak int test_bitmap_or(void)\n {\n-\tstruct bitmap __arena *src1 = NULL, *src2 = NULL, *dst = NULL;\n+\tstruct arena_bitmap __arena *src1 = NULL, *src2 = NULL, *dst = NULL;\n \n \tsrc1 = bmp_alloc(TEST_BITS);\n \tsrc2 = bmp_alloc(TEST_BITS);\n@@ -285,7 +285,7 @@ __weak int test_bitmap_or(void)\n SEC(\"syscall\")\n __weak int test_bitmap_subset(void)\n {\n-\tstruct bitmap __arena *big = NULL, *small = NULL;\n+\tstruct arena_bitmap __arena *big = NULL, *small = NULL;\n \n \tbig = bmp_alloc(TEST_BITS);\n \tsmall = bmp_alloc(TEST_BITS);\n@@ -329,7 +329,7 @@ __weak int test_bitmap_subset(void)\n SEC(\"syscall\")\n __weak int test_bitmap_intersects(void)\n {\n-\tstruct bitmap __arena *arg1 = NULL, *arg2 = NULL;\n+\tstruct arena_bitmap __arena *arg1 = NULL, *arg2 = NULL;\n \n \targ1 = bmp_alloc(TEST_BITS);\n \targ2 = bmp_alloc(TEST_BITS);\n@@ -362,7 +362,7 @@ __weak int test_bitmap_intersects(void)\n SEC(\"syscall\")\n __weak int test_bitmap_copy(void)\n {\n-\tstruct bitmap __arena *arg1 = NULL, *arg2 = NULL;\n+\tstruct arena_bitmap __arena *arg1 = NULL, *arg2 = NULL;\n \n \targ1 = bmp_alloc(TEST_BITS);\n \targ2 = bmp_alloc(TEST_BITS);\ndiff --git a/tools/testing/selftests/bpf/libarena/selftests/test_parallel_bitmap.bpf.c b/tools/testing/selftests/bpf/libarena/selftests/test_parallel_bitmap.bpf.c\nindex eec2871e2b0d10..ea1fac95b461e5 100644\n--- a/tools/testing/selftests/bpf/libarena/selftests/test_parallel_bitmap.bpf.c\n+++ b/tools/testing/selftests/bpf/libarena/selftests/test_parallel_bitmap.bpf.c\n@@ -12,7 +12,7 @@\n #define TEST_BITMAP_SYNC_SPINS\tBPF_MAX_LOOPS\n #define TEST_BITMAP_ITERS\t10 * 1000 * 1000\n \n-static struct bitmap __arena *bitmap;\n+static struct arena_bitmap __arena *bitmap;\n static volatile u64 started;\n static volatile bool test_abort;\n \ndiff --git a/tools/testing/selftests/bpf/libarena/src/bitmap.bpf.c b/tools/testing/selftests/bpf/libarena/src/bitmap.bpf.c\nindex 80e814401fb9ea..5ff8e688ddc760 100644\n--- a/tools/testing/selftests/bpf/libarena/src/bitmap.bpf.c\n+++ b/tools/testing/selftests/bpf/libarena/src/bitmap.bpf.c\n@@ -10,16 +10,16 @@\n #include \u003clibarena/bitmap.h\u003e\n \n __weak\n-struct bitmap __arena *bmp_alloc(size_t bits)\n+struct arena_bitmap __arena *bmp_alloc(size_t bits)\n {\n-\tstruct bitmap __arena *bmp;\n+\tstruct arena_bitmap __arena *bmp;\n \tsize_t size = BITS_TO_LONG_LONGS(bits) * sizeof(bmp-\u003ebits[0]);\n \n \t/* Assume long-aligned masks. */\n \tif (bits % BITS_PER_LONG_LONG)\n \t\treturn NULL;\n \n-\tbmp = (struct bitmap __arena *)arena_malloc(size);\n+\tbmp = (struct arena_bitmap __arena *)arena_malloc(size);\n \tif (!bmp)\n \t\treturn NULL;\n \n@@ -29,31 +29,31 @@ struct bitmap __arena *bmp_alloc(size_t bits)\n }\n \n __weak\n-void bmp_free(struct bitmap __arena *bmp)\n+void bmp_free(struct arena_bitmap __arena *bmp)\n {\n \tarena_free(bmp);\n }\n \n __weak\n-void __bmp_set_bit(u32 bit, struct bitmap __arena *bmp)\n+void __bmp_set_bit(u32 bit, struct arena_bitmap __arena *bmp)\n {\n \tbmp-\u003ebits[BIT_WORD(bit)] |= BIT_MASK(bit);\n }\n \n __weak\n-void __bmp_clear_bit(u32 bit, struct bitmap __arena *bmp)\n+void __bmp_clear_bit(u32 bit, struct arena_bitmap __arena *bmp)\n {\n \tbmp-\u003ebits[BIT_WORD(bit)] \u0026= ~BIT_MASK(bit);\n }\n \n __weak\n-bool bmp_test_bit(u32 bit, struct bitmap __arena *bmp)\n+bool bmp_test_bit(u32 bit, struct arena_bitmap __arena *bmp)\n {\n \treturn bmp-\u003ebits[BIT_WORD(bit)] \u0026 BIT_MASK(bit);\n }\n \n __weak\n-bool bmp_test_and_clear_bit(u32 bit, struct bitmap __arena *bmp)\n+bool bmp_test_and_clear_bit(u32 bit, struct arena_bitmap __arena *bmp)\n {\n \tu64 val = BIT_MASK(bit);\n \tu32 idx = BIT_WORD(bit);\n@@ -77,7 +77,7 @@ bool bmp_test_and_clear_bit(u32 bit, struct bitmap __arena *bmp)\n }\n \n __weak\n-bool bmp_test_and_set_bit(u32 bit, struct bitmap __arena *bmp)\n+bool bmp_test_and_set_bit(u32 bit, struct arena_bitmap __arena *bmp)\n {\n \tu64 val = BIT_MASK(bit);\n \tu32 idx = BIT_WORD(bit);\n@@ -101,7 +101,7 @@ bool bmp_test_and_set_bit(u32 bit, struct bitmap __arena *bmp)\n }\n \n __weak\n-void bmp_clear_bit(u32 bit, struct bitmap __arena *bmp)\n+void bmp_clear_bit(u32 bit, struct arena_bitmap __arena *bmp)\n {\n \tu64 val = BIT_MASK(bit);\n \tu32 idx = BIT_WORD(bit);\n@@ -116,7 +116,7 @@ void bmp_clear_bit(u32 bit, struct bitmap __arena *bmp)\n }\n \n __weak\n-void bmp_set_bit(u32 bit, struct bitmap __arena *bmp)\n+void bmp_set_bit(u32 bit, struct arena_bitmap __arena *bmp)\n {\n \tu64 val = BIT_MASK(bit);\n \tu32 idx = BIT_WORD(bit);\n@@ -131,7 +131,7 @@ void bmp_set_bit(u32 bit, struct bitmap __arena *bmp)\n }\n \n __weak\n-void bmp_clear(size_t bits, struct bitmap __arena *bmp)\n+void bmp_clear(size_t bits, struct arena_bitmap __arena *bmp)\n {\n \tsize_t nwords = BITS_TO_LONG_LONGS(bits);\n \tvolatile u32 i;\n@@ -148,7 +148,7 @@ static __always_inline u64 bmp_last_word_mask(size_t bits)\n }\n \n __weak\n-void bmp_and(size_t bits, struct bitmap __arena *dst, struct bitmap __arena *src1, struct bitmap __arena *src2)\n+void bmp_and(size_t bits, struct arena_bitmap __arena *dst, struct arena_bitmap __arena *src1, struct arena_bitmap __arena *src2)\n {\n \tsize_t nwords = BITS_TO_LONG_LONGS(bits);\n \tvolatile u32 i;\n@@ -161,7 +161,7 @@ void bmp_and(size_t bits, struct bitmap __arena *dst, struct bitmap __arena *src\n }\n \n __weak\n-void bmp_or(size_t bits, struct bitmap __arena *dst, struct bitmap __arena *src1, struct bitmap __arena *src2)\n+void bmp_or(size_t bits, struct arena_bitmap __arena *dst, struct arena_bitmap __arena *src1, struct arena_bitmap __arena *src2)\n {\n \tsize_t nwords = BITS_TO_LONG_LONGS(bits);\n \tvolatile u32 i;\n@@ -174,7 +174,7 @@ void bmp_or(size_t bits, struct bitmap __arena *dst, struct bitmap __arena *src1\n }\n \n __weak\n-bool bmp_empty(size_t bits, struct bitmap __arena *bmp)\n+bool bmp_empty(size_t bits, struct arena_bitmap __arena *bmp)\n {\n \tsize_t nwords = BITS_TO_LONG_LONGS(bits);\n \tvolatile u32 i;\n@@ -190,7 +190,7 @@ bool bmp_empty(size_t bits, struct bitmap __arena *bmp)\n }\n \n __weak\n-void bmp_copy(size_t bits, struct bitmap __arena *dst, struct bitmap __arena *src)\n+void bmp_copy(size_t bits, struct arena_bitmap __arena *dst, struct arena_bitmap __arena *src)\n {\n \tsize_t nwords = BITS_TO_LONG_LONGS(bits);\n \tvolatile u32 i;\n@@ -203,7 +203,7 @@ void bmp_copy(size_t bits, struct bitmap __arena *dst, struct bitmap __arena *sr\n }\n \n __weak\n-bool bmp_subset(size_t bits, struct bitmap __arena *big, struct bitmap __arena *small)\n+bool bmp_subset(size_t bits, struct arena_bitmap __arena *big, struct arena_bitmap __arena *small)\n {\n \tsize_t nwords = BITS_TO_LONG_LONGS(bits);\n \tvolatile u32 i;\n@@ -219,7 +219,7 @@ bool bmp_subset(size_t bits, struct bitmap __arena *big, struct bitmap __arena *\n }\n \n __weak\n-bool bmp_intersects(size_t bits, struct bitmap __arena *arg1, struct bitmap __arena *arg2)\n+bool bmp_intersects(size_t bits, struct arena_bitmap __arena *arg1, struct arena_bitmap __arena *arg2)\n {\n \tsize_t nwords = BITS_TO_LONG_LONGS(bits);\n \tvolatile u32 i;\n@@ -235,7 +235,7 @@ bool bmp_intersects(size_t bits, struct bitmap __arena *arg1, struct bitmap __ar\n }\n \n __weak\n-void bmp_print(size_t bits, struct bitmap __arena *bmp)\n+void bmp_print(size_t bits, struct arena_bitmap __arena *bmp)\n {\n \tsize_t nwords = BITS_TO_LONG_LONGS(bits);\n \tvolatile u32 i;\n"
}

2/1

2026/07/08 09:14

agent

patch-evaluator

Model:

gemini-3.1-pro-preview

Args:

null

Results:

{
  "EnableConfigs": null,
  "FocusSymbols": [],
  "Reasoning": "The patch only modifies BPF selftests (tools/testing/selftests/bpf/libarena) by renaming a struct. It does not make any functional changes to the core kernel, drivers, or architectures.",
  "WorthFuzzing": false
}

Instruction:

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).

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.
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.
   Do not list too generic configs (we already have them enabled). Only list those that
   specifically cover the modified code. 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.

Prompt:

For your convenience, here is the diff of the changes:
commit 278fb0b360e0396763c5883ed7034b98304ca7e1
Author: syz-cluster <triage@syzkaller.com>
Date:   Wed Jul 8 09:14:06 2026 +0000

    syz-cluster: applied patch under review

diff --git a/tools/testing/selftests/bpf/libarena/include/libarena/bitmap.h b/tools/testing/selftests/bpf/libarena/include/libarena/bitmap.h
index cf6b63f5d9a45f..e2431ea6fdd680 100644
--- a/tools/testing/selftests/bpf/libarena/include/libarena/bitmap.h
+++ b/tools/testing/selftests/bpf/libarena/include/libarena/bitmap.h
@@ -8,27 +8,27 @@
 #define BIT_MASK(nr)		(1ULL << ((nr) % BITS_PER_LONG_LONG))
 #define BIT_WORD(nr)		((nr) / BITS_PER_LONG_LONG)
 
-struct bitmap {
+struct arena_bitmap {
 	u64 bits[0];
 };
 
-struct bitmap __arena *bmp_alloc(size_t bits);
-void bmp_free(struct bitmap __arena *bmp);
+struct arena_bitmap __arena *bmp_alloc(size_t bits);
+void bmp_free(struct arena_bitmap __arena *bmp);
 
-void __bmp_set_bit(u32 bit, struct bitmap __arena *bmp);
-void __bmp_clear_bit(u32 bit, struct bitmap __arena *bmp);
-void bmp_set_bit(u32 bit, struct bitmap __arena *bmp);
-void bmp_clear_bit(u32 bit, struct bitmap __arena *bmp);
-bool bmp_test_bit(u32 bit, struct bitmap __arena *bmp);
-bool bmp_test_and_clear_bit(u32 bit, struct bitmap __arena *bmp);
-bool bmp_test_and_set_bit(u32 bit, struct bitmap __arena *bmp);
+void __bmp_set_bit(u32 bit, struct arena_bitmap __arena *bmp);
+void __bmp_clear_bit(u32 bit, struct arena_bitmap __arena *bmp);
+void bmp_set_bit(u32 bit, struct arena_bitmap __arena *bmp);
+void bmp_clear_bit(u32 bit, struct arena_bitmap __arena *bmp);
+bool bmp_test_bit(u32 bit, struct arena_bitmap __arena *bmp);
+bool bmp_test_and_clear_bit(u32 bit, struct arena_bitmap __arena *bmp);
+bool bmp_test_and_set_bit(u32 bit, struct arena_bitmap __arena *bmp);
 
-void bmp_clear(size_t bits, struct bitmap __arena *bmp);
-void bmp_and(size_t bits, struct bitmap __arena *dst, struct bitmap __arena *src1, struct bitmap __arena *src2);
-void bmp_or(size_t bits, struct bitmap __arena *dst, struct bitmap __arena *src1, struct bitmap __arena *src2);
-bool bmp_empty(size_t bits, struct bitmap __arena *bmp);
-void bmp_copy(size_t bits, struct bitmap __arena *dst, struct bitmap __arena *src);
+void bmp_clear(size_t bits, struct arena_bitmap __arena *bmp);
+void bmp_and(size_t bits, struct arena_bitmap __arena *dst, struct arena_bitmap __arena *src1, struct arena_bitmap __arena *src2);
+void bmp_or(size_t bits, struct arena_bitmap __arena *dst, struct arena_bitmap __arena *src1, struct arena_bitmap __arena *src2);
+bool bmp_empty(size_t bits, struct arena_bitmap __arena *bmp);
+void bmp_copy(size_t bits, struct arena_bitmap __arena *dst, struct arena_bitmap __arena *src);
 
-bool bmp_intersects(size_t bits, struct bitmap __arena *arg1, struct bitmap __arena *arg2);
-bool bmp_subset(size_t bits, struct bitmap __arena *big, struct bitmap __arena *small);
-void bmp_print(size_t bits, struct bitmap __arena *bmp);
+bool bmp_intersects(size_t bits, struct arena_bitmap __arena *arg1, struct arena_bitmap __arena *arg2);
+bool bmp_subset(size_t bits, struct arena_bitmap __arena *big, struct arena_bitmap __arena *small);
+void bmp_print(size_t bits, struct arena_bitmap __arena *bmp);
diff --git a/tools/testing/selftests/bpf/libarena/selftests/test_bitmap.bpf.c b/tools/testing/selftests/bpf/libarena/selftests/test_bitmap.bpf.c
index e7d32f44d68709..76319a529f02b7 100644
--- a/tools/testing/selftests/bpf/libarena/selftests/test_bitmap.bpf.c
+++ b/tools/testing/selftests/bpf/libarena/selftests/test_bitmap.bpf.c
@@ -8,7 +8,7 @@
 #define MID_BIT		(BITS_PER_LONG_LONG + 1)
 #define LAST_BIT	(TEST_BITS - 1)
 
-static void test_bmp_setall(struct bitmap __arena *bmp)
+static void test_bmp_setall(struct arena_bitmap __arena *bmp)
 {
 	volatile u32 i;
 
@@ -19,7 +19,7 @@ static void test_bmp_setall(struct bitmap __arena *bmp)
 SEC("syscall")
 __weak int test_bitmap_alloc_free(void)
 {
-	struct bitmap __arena *bmp;
+	struct arena_bitmap __arena *bmp;
 
 	bmp = bmp_alloc(TEST_BITS);
 	if (!bmp)
@@ -47,7 +47,7 @@ __weak int test_bitmap_alloc_free(void)
 SEC("syscall")
 __weak int test_bitmap_bit_ops(void)
 {
-	struct bitmap __arena *bmp;
+	struct arena_bitmap __arena *bmp;
 
 	bmp = bmp_alloc(TEST_BITS);
 	if (!bmp)
@@ -97,7 +97,7 @@ __weak int test_bitmap_bit_ops(void)
 	return -EINVAL;
 }
 
-static bool test_bitmap_test_and_clear_single(struct bitmap __arena *bmp, size_t ind)
+static bool test_bitmap_test_and_clear_single(struct arena_bitmap __arena *bmp, size_t ind)
 {
 	if (bmp_test_and_clear_bit(ind, bmp))
 		return false;
@@ -116,7 +116,7 @@ static bool test_bitmap_test_and_clear_single(struct bitmap __arena *bmp, size_t
 	return true;
 }
 
-static bool test_bitmap_test_and_set_single(struct bitmap __arena *bmp, size_t ind)
+static bool test_bitmap_test_and_set_single(struct arena_bitmap __arena *bmp, size_t ind)
 {
 	if (bmp_test_and_set_bit(ind, bmp))
 		return false;
@@ -138,7 +138,7 @@ static bool test_bitmap_test_and_set_single(struct bitmap __arena *bmp, size_t i
 SEC("syscall")
 __weak int test_bitmap_test_and_clear_bit(void)
 {
-	struct bitmap __arena *bmp;
+	struct arena_bitmap __arena *bmp;
 
 	bmp = bmp_alloc(TEST_BITS);
 	if (!bmp)
@@ -167,7 +167,7 @@ __weak int test_bitmap_test_and_clear_bit(void)
 SEC("syscall")
 __weak int test_bitmap_test_and_set_bit(void)
 {
-	struct bitmap __arena *bmp;
+	struct arena_bitmap __arena *bmp;
 
 	bmp = bmp_alloc(TEST_BITS);
 	if (!bmp)
@@ -194,7 +194,7 @@ __weak int test_bitmap_test_and_set_bit(void)
 SEC("syscall")
 __weak int test_bitmap_and(void)
 {
-	struct bitmap __arena *src1 = NULL, *src2 = NULL, *dst = NULL;
+	struct arena_bitmap __arena *src1 = NULL, *src2 = NULL, *dst = NULL;
 
 	src1 = bmp_alloc(TEST_BITS);
 	src2 = bmp_alloc(TEST_BITS);
@@ -240,7 +240,7 @@ __weak int test_bitmap_and(void)
 SEC("syscall")
 __weak int test_bitmap_or(void)
 {
-	struct bitmap __arena *src1 = NULL, *src2 = NULL, *dst = NULL;
+	struct arena_bitmap __arena *src1 = NULL, *src2 = NULL, *dst = NULL;
 
 	src1 = bmp_alloc(TEST_BITS);
 	src2 = bmp_alloc(TEST_BITS);
@@ -285,7 +285,7 @@ __weak int test_bitmap_or(void)
 SEC("syscall")
 __weak int test_bitmap_subset(void)
 {
-	struct bitmap __arena *big = NULL, *small = NULL;
+	struct arena_bitmap __arena *big = NULL, *small = NULL;
 
 	big = bmp_alloc(TEST_BITS);
 	small = bmp_alloc(TEST_BITS);
@@ -329,7 +329,7 @@ __weak int test_bitmap_subset(void)
 SEC("syscall")
 __weak int test_bitmap_intersects(void)
 {
-	struct bitmap __arena *arg1 = NULL, *arg2 = NULL;
+	struct arena_bitmap __arena *arg1 = NULL, *arg2 = NULL;
 
 	arg1 = bmp_alloc(TEST_BITS);
 	arg2 = bmp_alloc(TEST_BITS);
@@ -362,7 +362,7 @@ __weak int test_bitmap_intersects(void)
 SEC("syscall")
 __weak int test_bitmap_copy(void)
 {
-	struct bitmap __arena *arg1 = NULL, *arg2 = NULL;
+	struct arena_bitmap __arena *arg1 = NULL, *arg2 = NULL;
 
 	arg1 = bmp_alloc(TEST_BITS);
 	arg2 = bmp_alloc(TEST_BITS);
diff --git a/tools/testing/selftests/bpf/libarena/selftests/test_parallel_bitmap.bpf.c b/tools/testing/selftests/bpf/libarena/selftests/test_parallel_bitmap.bpf.c
index eec2871e2b0d10..ea1fac95b461e5 100644
--- a/tools/testing/selftests/bpf/libarena/selftests/test_parallel_bitmap.bpf.c
+++ b/tools/testing/selftests/bpf/libarena/selftests/test_parallel_bitmap.bpf.c
@@ -12,7 +12,7 @@
 #define TEST_BITMAP_SYNC_SPINS	BPF_MAX_LOOPS
 #define TEST_BITMAP_ITERS	10 * 1000 * 1000
 
-static struct bitmap __arena *bitmap;
+static struct arena_bitmap __arena *bitmap;
 static volatile u64 started;
 static volatile bool test_abort;
 
diff --git a/tools/testing/selftests/bpf/libarena/src/bitmap.bpf.c b/tools/testing/selftests/bpf/libarena/src/bitmap.bpf.c
index 80e814401fb9ea..5ff8e688ddc760 100644
--- a/tools/testing/selftests/bpf/libarena/src/bitmap.bpf.c
+++ b/tools/testing/selftests/bpf/libarena/src/bitmap.bpf.c
@@ -10,16 +10,16 @@
 #include <libarena/bitmap.h>
 
 __weak
-struct bitmap __arena *bmp_alloc(size_t bits)
+struct arena_bitmap __arena *bmp_alloc(size_t bits)
 {
-	struct bitmap __arena *bmp;
+	struct arena_bitmap __arena *bmp;
 	size_t size = BITS_TO_LONG_LONGS(bits) * sizeof(bmp->bits[0]);
 
 	/* Assume long-aligned masks. */
 	if (bits % BITS_PER_LONG_LONG)
 		return NULL;
 
-	bmp = (struct bitmap __arena *)arena_malloc(size);
+	bmp = (struct arena_bitmap __arena *)arena_malloc(size);
 	if (!bmp)
 		return NULL;
 
@@ -29,31 +29,31 @@ struct bitmap __arena *bmp_alloc(size_t bits)
 }
 
 __weak
-void bmp_free(struct bitmap __arena *bmp)
+void bmp_free(struct arena_bitmap __arena *bmp)
 {
 	arena_free(bmp);
 }
 
 __weak
-void __bmp_set_bit(u32 bit, struct bitmap __arena *bmp)
+void __bmp_set_bit(u32 bit, struct arena_bitmap __arena *bmp)
 {
 	bmp->bits[BIT_WORD(bit)] |= BIT_MASK(bit);
 }
 
 __weak
-void __bmp_clear_bit(u32 bit, struct bitmap __arena *bmp)
+void __bmp_clear_bit(u32 bit, struct arena_bitmap __arena *bmp)
 {
 	bmp->bits[BIT_WORD(bit)] &= ~BIT_MASK(bit);
 }
 
 __weak
-bool bmp_test_bit(u32 bit, struct bitmap __arena *bmp)
+bool bmp_test_bit(u32 bit, struct arena_bitmap __arena *bmp)
 {
 	return bmp->bits[BIT_WORD(bit)] & BIT_MASK(bit);
 }
 
 __weak
-bool bmp_test_and_clear_bit(u32 bit, struct bitmap __arena *bmp)
+bool bmp_test_and_clear_bit(u32 bit, struct arena_bitmap __arena *bmp)
 {
 	u64 val = BIT_MASK(bit);
 	u32 idx = BIT_WORD(bit);
@@ -77,7 +77,7 @@ bool bmp_test_and_clear_bit(u32 bit, struct bitmap __arena *bmp)
 }
 
 __weak
-bool bmp_test_and_set_bit(u32 bit, struct bitmap __arena *bmp)
+bool bmp_test_and_set_bit(u32 bit, struct arena_bitmap __arena *bmp)
 {
 	u64 val = BIT_MASK(bit);
 	u32 idx = BIT_WORD(bit);
@@ -101,7 +101,7 @@ bool bmp_test_and_set_bit(u32 bit, struct bitmap __arena *bmp)
 }
 
 __weak
-void bmp_clear_bit(u32 bit, struct bitmap __arena *bmp)
+void bmp_clear_bit(u32 bit, struct arena_bitmap __arena *bmp)
 {
 	u64 val = BIT_MASK(bit);
 	u32 idx = BIT_WORD(bit);
@@ -116,7 +116,7 @@ void bmp_clear_bit(u32 bit, struct bitmap __arena *bmp)
 }
 
 __weak
-void bmp_set_bit(u32 bit, struct bitmap __arena *bmp)
+void bmp_set_bit(u32 bit, struct arena_bitmap __arena *bmp)
 {
 	u64 val = BIT_MASK(bit);
 	u32 idx = BIT_WORD(bit);
@@ -131,7 +131,7 @@ void bmp_set_bit(u32 bit, struct bitmap __arena *bmp)
 }
 
 __weak
-void bmp_clear(size_t bits, struct bitmap __arena *bmp)
+void bmp_clear(size_t bits, struct arena_bitmap __arena *bmp)
 {
 	size_t nwords = BITS_TO_LONG_LONGS(bits);
 	volatile u32 i;
@@ -148,7 +148,7 @@ static __always_inline u64 bmp_last_word_mask(size_t bits)
 }
 
 __weak
-void bmp_and(size_t bits, struct bitmap __arena *dst, struct bitmap __arena *src1, struct bitmap __arena *src2)
+void bmp_and(size_t bits, struct arena_bitmap __arena *dst, struct arena_bitmap __arena *src1, struct arena_bitmap __arena *src2)
 {
 	size_t nwords = BITS_TO_LONG_LONGS(bits);
 	volatile u32 i;
@@ -161,7 +161,7 @@ void bmp_and(size_t bits, struct bitmap __arena *dst, struct bitmap __arena *src
 }
 
 __weak
-void bmp_or(size_t bits, struct bitmap __arena *dst, struct bitmap __arena *src1, struct bitmap __arena *src2)
+void bmp_or(size_t bits, struct arena_bitmap __arena *dst, struct arena_bitmap __arena *src1, struct arena_bitmap __arena *src2)
 {
 	size_t nwords = BITS_TO_LONG_LONGS(bits);
 	volatile u32 i;
@@ -174,7 +174,7 @@ void bmp_or(size_t bits, struct bitmap __arena *dst, struct bitmap __arena *src1
 }
 
 __weak
-bool bmp_empty(size_t bits, struct bitmap __arena *bmp)
+bool bmp_empty(size_t bits, struct arena_bitmap __arena *bmp)
 {
 	size_t nwords = BITS_TO_LONG_LONGS(bits);
 	volatile u32 i;
@@ -190,7 +190,7 @@ bool bmp_empty(size_t bits, struct bitmap __arena *bmp)
 }
 
 __weak
-void bmp_copy(size_t bits, struct bitmap __arena *dst, struct bitmap __arena *src)
+void bmp_copy(size_t bits, struct arena_bitmap __arena *dst, struct arena_bitmap __arena *src)
 {
 	size_t nwords = BITS_TO_LONG_LONGS(bits);
 	volatile u32 i;
@@ -203,7 +203,7 @@ void bmp_copy(size_t bits, struct bitmap __arena *dst, struct bitmap __arena *sr
 }
 
 __weak
-bool bmp_subset(size_t bits, struct bitmap __arena *big, struct bitmap __arena *small)
+bool bmp_subset(size_t bits, struct arena_bitmap __arena *big, struct arena_bitmap __arena *small)
 {
 	size_t nwords = BITS_TO_LONG_LONGS(bits);
 	volatile u32 i;
@@ -219,7 +219,7 @@ bool bmp_subset(size_t bits, struct bitmap __arena *big, struct bitmap __arena *
 }
 
 __weak
-bool bmp_intersects(size_t bits, struct bitmap __arena *arg1, struct bitmap __arena *arg2)
+bool bmp_intersects(size_t bits, struct arena_bitmap __arena *arg1, struct arena_bitmap __arena *arg2)
 {
 	size_t nwords = BITS_TO_LONG_LONGS(bits);
 	volatile u32 i;
@@ -235,7 +235,7 @@ bool bmp_intersects(size_t bits, struct bitmap __arena *arg1, struct bitmap __ar
 }
 
 __weak
-void bmp_print(size_t bits, struct bitmap __arena *bmp)
+void bmp_print(size_t bits, struct arena_bitmap __arena *bmp)
 {
 	size_t nwords = BITS_TO_LONG_LONGS(bits);
 	volatile u32 i;

3/2

2026/07/08 09:14

llm

patch-evaluator

Model:

gemini-3.1-pro-preview

Args:

null

Results:

null

Tokens:

							input: 6601
							output: 77
							thoughts: 269

Thoughts:

**WorthFuzzing=False: A Quick Assessment**

Okay, so I'm looking at this patch. It's renaming `struct bitmap` to `struct arena_bitmap`, but only within the `tools/testing/selftests/bpf/libarena/` directory. That's a key point. This is *exclusively* a BPF self-test change, specifically confined to that `libarena` section. No kernel core, no drivers, no architecture-specific code is being touched. It’s entirely localized within the testing framework.

Given this scope, the patch is changing names and should be considered a refactor. It’s not altering any core kernel functionality that would benefit from fuzzing. I need to confirm the diff, but I anticipate it only modifies the header file and the respective self tests.

Let me take a quick look: 
*   `tools/testing/selftests/bpf/libarena/include/libarena/bitmap.h`
*   `tools/testing/selftests/bpf/libarena/selftests/test_bitmap.bpf.c`
*   `tools/testing/selftests/bpf/libarena/selftests/test_parallel_bitmap.bpf.c`
*   `tools/testing/selftests/bpf/libarena/src/bitmap.bpf.c`

Yes, as expected, all the modifications are within `tools/testing/selftests/`. Therefore, I'm confident in setting `WorthFuzzing=false`. I’ll call `set-results` and mark this patch accordingly.

4/2

2026/07/08 09:14

tool

set-results

Args:

{
  "EnableConfigs": [],
  "FocusSymbols": [],
  "Reasoning": "The patch only modifies BPF selftests (tools/testing/selftests/bpf/libarena) by renaming a struct. It does not make any functional changes to the core kernel, drivers, or architectures.",
  "WorthFuzzing": false
}

Results:

{
  "EnableConfigs": null,
  "FocusSymbols": [],
  "Reasoning": "The patch only modifies BPF selftests (tools/testing/selftests/bpf/libarena) by renaming a struct. It does not make any functional changes to the core kernel, drivers, or architectures.",
  "WorthFuzzing": false
}

LLM Calls Summary:
Total Calls	Total Tokens	Avg Tokens	Total Duration (Seconds)	Avg Duration (Seconds)

Tool Calls Summary:
Total Calls	Total Duration (Seconds)	Avg Duration (Seconds)