general protection fault, probably for non-canonical address 0xea89c4aac8abe8ca: 0000 [#1] PREEMPT SMP KASAN KASAN: maybe wild-memory-access in range [0x544e4556455f4650-0x544e4556455f4657] CPU: 0 PID: 4896 Comm: syz.4.1269 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 RIP: 0010:___pcpu_freelist_pop kernel/bpf/percpu_freelist.c:134 [inline] RIP: 0010:__pcpu_freelist_pop+0x777/0x840 kernel/bpf/percpu_freelist.c:188 Code: 00 74 52 48 89 df e8 78 0a 2a 00 eb 48 e8 a1 7e e4 ff eb 4b e8 9a 7e e4 ff 4c 89 f8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 ff e8 5b 09 2a 00 4d 8b 37 48 b8 00 00 00 RSP: 0000:ffffc90000a27750 EFLAGS: 00010006 RAX: 0a89c8aac8abe8ca RBX: ffffe8ffff900010 RCX: dffffc0000000000 RDX: 0000000000010000 RSI: 0000000000000004 RDI: ffffc90000a276e0 RBP: ffffc90000a27790 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffff52000144edc R12: ffffe8ffff900018 R13: 1ffffd1ffff20002 R14: 0000000000000001 R15: 544e4556455f4652 FS: 00007fb9c3ff76c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000100000001 CR3: 000000013580b000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000200000000300 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: pcpu_freelist_pop+0x8a/0xf0 kernel/bpf/percpu_freelist.c:197 __bpf_get_stackid+0x6d5/0x960 kernel/bpf/stackmap.c:271 ____bpf_get_stackid_pe kernel/bpf/stackmap.c:377 [inline] bpf_get_stackid_pe+0x350/0x400 kernel/bpf/stackmap.c:334 bpf_prog_3ce543bf2c155e8f+0x24/0x37 bpf_dispatcher_nop_func include/linux/bpf.h:987 [inline] __bpf_prog_run include/linux/filter.h:607 [inline] bpf_prog_run include/linux/filter.h:614 [inline] bpf_overflow_handler+0x3c7/0x5e0 kernel/events/core.c:10273 __perf_event_overflow+0x458/0x640 kernel/events/core.c:9448 perf_event_overflow kernel/events/core.c:9469 [inline] perf_swevent_hrtimer+0x4b4/0x540 kernel/events/core.c:10919 __run_hrtimer kernel/time/hrtimer.c:1685 [inline] __hrtimer_run_queues+0x398/0x890 kernel/time/hrtimer.c:1749 hrtimer_interrupt+0x3ad/0x8c0 kernel/time/hrtimer.c:1811 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1107 [inline] __sysvec_apic_timer_interrupt+0x11e/0x440 arch/x86/kernel/apic/apic.c:1124 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline] sysvec_apic_timer_interrupt+0x53/0xc0 arch/x86/kernel/apic/apic.c:1118 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:691 RIP: 0033:0x7fb9c55bc3d0 Code: 83 c0 16 83 e0 f7 74 12 50 48 8d 3d aa 1d 07 00 e8 65 65 f9 ff 0f 1f 44 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 <83> ff 21 74 0b c3 66 2e 0f 1f 84 00 00 00 00 00 55 53 48 89 f3 48 RSP: 002b:00007fb9c3ff6a38 EFLAGS: 00000202 RAX: 0000000000000000 RBX: 00007fff921dd080 RCX: 0000000000000001 RDX: 00007fb9c3ff6a40 RSI: 00007fb9c3ff6b70 RDI: 0000000000000021 RBP: 00007fb9c3ff7030 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fb9c5816128 R14: 00007fff921dd0b0 R15: 0000000000007222 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:___pcpu_freelist_pop kernel/bpf/percpu_freelist.c:134 [inline] RIP: 0010:__pcpu_freelist_pop+0x777/0x840 kernel/bpf/percpu_freelist.c:188 Code: 00 74 52 48 89 df e8 78 0a 2a 00 eb 48 e8 a1 7e e4 ff eb 4b e8 9a 7e e4 ff 4c 89 f8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 ff e8 5b 09 2a 00 4d 8b 37 48 b8 00 00 00 RSP: 0000:ffffc90000a27750 EFLAGS: 00010006 RAX: 0a89c8aac8abe8ca RBX: ffffe8ffff900010 RCX: dffffc0000000000 RDX: 0000000000010000 RSI: 0000000000000004 RDI: ffffc90000a276e0 RBP: ffffc90000a27790 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffff52000144edc R12: ffffe8ffff900018 R13: 1ffffd1ffff20002 R14: 0000000000000001 R15: 544e4556455f4652 FS: 00007fb9c3ff76c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000100000001 CR3: 000000013580b000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000200000000300 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 ---------------- Code disassembly (best guess): 0: 00 74 52 48 add %dh,0x48(%rdx,%rdx,2) 4: 89 df mov %ebx,%edi 6: e8 78 0a 2a 00 call 0x2a0a83 b: eb 48 jmp 0x55 d: e8 a1 7e e4 ff call 0xffe47eb3 12: eb 4b jmp 0x5f 14: e8 9a 7e e4 ff call 0xffe47eb3 19: 4c 89 f8 mov %r15,%rax 1c: 48 c1 e8 03 shr $0x3,%rax 20: 48 b9 00 00 00 00 00 movabs $0xdffffc0000000000,%rcx 27: fc ff df * 2a: 80 3c 08 00 cmpb $0x0,(%rax,%rcx,1) <-- trapping instruction 2e: 74 08 je 0x38 30: 4c 89 ff mov %r15,%rdi 33: e8 5b 09 2a 00 call 0x2a0993 38: 4d 8b 37 mov (%r15),%r14 3b: 48 rex.W 3c: b8 .byte 0xb8 3d: 00 00 add %al,(%rax)