Oops: general protection fault, probably for non-canonical address 0xfa8aa9b9d18828e7: 0000 [#1] SMP KASAN PTI KASAN: maybe wild-memory-access in range [0xd4556dce8c414738-0xd4556dce8c41473f] CPU: 1 UID: 0 PID: 5833 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 RIP: 0010:___pcpu_freelist_pop kernel/bpf/percpu_freelist.c:114 [inline] RIP: 0010:__pcpu_freelist_pop+0x6b7/0x8c0 kernel/bpf/percpu_freelist.c:125 Code: 10 48 3b 8c 24 80 00 00 00 0f 85 b4 01 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d e9 d1 49 9a 09 cc 48 89 f8 48 c1 e8 03 <80> 3c 18 00 48 89 7c 24 20 74 0a e8 69 3f 41 00 48 8b 7c 24 20 48 RSP: 0000:ffffc90003d1f5e0 EFLAGS: 00010807 RAX: 1a8aadb9d18828e7 RBX: dffffc0000000000 RCX: ffffe8ffffd27618 RDX: 0000000000000000 RSI: 0000000000000000 RDI: d4556dce8c41473f RBP: ffffc90003d1f6b0 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffff520007a3ec8 R12: 1ffffd1ffffa4ec2 R13: ffffe8ffffd27610 R14: 0000000000000001 R15: 0000000000000000 FS: 000055556a43d500(0000) GS:ffff888125d1c000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000003ff830 CR3: 0000000078422000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000200000000300 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: pcpu_freelist_pop+0xca/0x170 kernel/bpf/percpu_freelist.c:134 __bpf_get_stackid+0x574/0xcf0 kernel/bpf/stackmap.c:259 ____bpf_get_stackid_raw_tp kernel/trace/bpf_trace.c:1810 [inline] bpf_get_stackid_raw_tp+0x196/0x210 kernel/trace/bpf_trace.c:1799 bpf_prog_12712c88fd19bd5b+0x2a/0x32 bpf_dispatcher_nop_func include/linux/bpf.h:1335 [inline] __bpf_prog_run include/linux/filter.h:718 [inline] bpf_prog_run include/linux/filter.h:725 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2257 [inline] bpf_trace_run4+0x28b/0x4a0 kernel/trace/bpf_trace.c:2300 __do_trace_mm_page_alloc include/trace/events/kmem.h:177 [inline] trace_mm_page_alloc+0x129/0x150 include/trace/events/kmem.h:177 __alloc_frozen_pages_noprof+0x1d6/0x370 mm/page_alloc.c:5170 alloc_pages_mpol+0x232/0x4a0 mm/mempolicy.c:2416 alloc_frozen_pages_noprof mm/mempolicy.c:2487 [inline] alloc_pages_noprof+0xa9/0x190 mm/mempolicy.c:2507 pagetable_alloc_noprof include/linux/mm.h:2881 [inline] __pte_alloc_one_noprof include/asm-generic/pgalloc.h:75 [inline] pte_alloc_one+0x21/0x170 arch/x86/mm/pgtable.c:18 __pte_alloc+0x25/0x1a0 mm/memory.c:452 do_anonymous_page mm/memory.c:5022 [inline] do_pte_missing mm/memory.c:4232 [inline] handle_pte_fault mm/memory.c:6052 [inline] __handle_mm_fault+0x49b3/0x5440 mm/memory.c:6195 handle_mm_fault+0x40a/0x8e0 mm/memory.c:6364 do_user_addr_fault+0xa81/0x1390 arch/x86/mm/fault.c:1336 handle_page_fault arch/x86/mm/fault.c:1476 [inline] exc_page_fault+0x76/0xf0 arch/x86/mm/fault.c:1532 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623 RIP: 0033:0x7f9d8414bb3f Code: 3f 01 00 00 31 d2 4c 39 d3 48 8d 34 29 0f 95 c2 48 29 e8 48 89 73 60 48 c1 e2 02 48 83 c8 01 48 09 ea 48 83 ca 01 48 89 51 08 <48> 89 46 08 48 8d 41 10 48 8b 54 24 28 64 48 2b 14 25 28 00 00 00 RSP: 002b:00007ffcdd6f2440 EFLAGS: 00010202 RAX: 0000000000020231 RBX: 00007f9d84397cc0 RCX: 000055556b4d95a0 RDX: 00000000003ff831 RSI: 000055556b8d8dd0 RDI: 000055556b8f9000 RBP: 00000000003ff830 R08: 000000000041fa61 R09: 0000000000000000 R10: 00007f9d84397cc0 R11: 000055556b4fa000 R12: 0000000000020a60 R13: 000055556b4d95a0 R14: 00000000003ff850 R15: 0000000000001000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:___pcpu_freelist_pop kernel/bpf/percpu_freelist.c:114 [inline] RIP: 0010:__pcpu_freelist_pop+0x6b7/0x8c0 kernel/bpf/percpu_freelist.c:125 Code: 10 48 3b 8c 24 80 00 00 00 0f 85 b4 01 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d e9 d1 49 9a 09 cc 48 89 f8 48 c1 e8 03 <80> 3c 18 00 48 89 7c 24 20 74 0a e8 69 3f 41 00 48 8b 7c 24 20 48 RSP: 0000:ffffc90003d1f5e0 EFLAGS: 00010807 RAX: 1a8aadb9d18828e7 RBX: dffffc0000000000 RCX: ffffe8ffffd27618 RDX: 0000000000000000 RSI: 0000000000000000 RDI: d4556dce8c41473f RBP: ffffc90003d1f6b0 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffff520007a3ec8 R12: 1ffffd1ffffa4ec2 R13: ffffe8ffffd27610 R14: 0000000000000001 R15: 0000000000000000 FS: 000055556a43d500(0000) GS:ffff888125d1c000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000003ff830 CR3: 0000000078422000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000200000000300 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 ---------------- Code disassembly (best guess): 0: 10 48 3b adc %cl,0x3b(%rax) 3: 8c 24 80 mov %fs,(%rax,%rax,4) 6: 00 00 add %al,(%rax) 8: 00 0f add %cl,(%rdi) a: 85 b4 01 00 00 48 8d test %esi,-0x72b80000(%rcx,%rax,1) 11: 65 d8 5b 41 fcomps %gs:0x41(%rbx) 15: 5c pop %rsp 16: 41 5d pop %r13 18: 41 5e pop %r14 1a: 41 5f pop %r15 1c: 5d pop %rbp 1d: e9 d1 49 9a 09 jmp 0x99a49f3 22: cc int3 23: 48 89 f8 mov %rdi,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 80 3c 18 00 cmpb $0x0,(%rax,%rbx,1) <-- trapping instruction 2e: 48 89 7c 24 20 mov %rdi,0x20(%rsp) 33: 74 0a je 0x3f 35: e8 69 3f 41 00 call 0x413fa3 3a: 48 8b 7c 24 20 mov 0x20(%rsp),%rdi 3f: 48 rex.W