general protection fault, probably for non-canonical address 0xebed686dee648e8e: 0000 [#1] PREEMPT SMP KASAN
KASAN: maybe wild-memory-access in range [0x5f6b636f73247470-0x5f6b636f73247477]
CPU: 0 PID: 1985 Comm: syz.0.406 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: 0018:ffffc90000007810 EFLAGS: 00010006
RAX: 0bed6c6dee648e8e RBX: ffffe8ffff901500 RCX: dffffc0000000000
RDX: 0000000000010000 RSI: 0000000000000004 RDI: ffffc900000077a0
RBP: ffffc90000007850 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff52000000ef4 R12: ffffe8ffff901508
R13: 1ffffd1ffff202a0 R14: 0000000000000001 R15: 5f6b636f73247470
FS: 00007fd765c556c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000100000001 CR3: 0000000124f3a000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
<IRQ>
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_c7920b40a29bd6c7+0x24/0x39
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+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1118
</IRQ>
<TASK>
asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:array_index_mask_nospec+0x1/0x10 arch/x86/include/asm/barrier.h:38
Code: 5d c3 e8 02 5b b3 00 5d c3 90 90 90 90 90 90 90 90 90 90 90 b8 d9 34 2b b0 55 48 89 e5 48 c7 c0 da ff ff ff 5d c3 0f 1f 00 55 <48> 89 e5 48 81 ff c3 01 00 00 48 19 c0 5d c3 55 48 89 e5 48 8b 05
RSP: 0018:ffffc90001757f10 EFLAGS: 00000206
RAX: 00000000000000ca RBX: ffffc90001757f20 RCX: ffff88811d3e1440
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ca
RBP: ffffc90001757f48 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: ffffc90001757f58 R15: 00000000000000ca
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fd764d9ce59
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd765c550e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007fd765016098 RCX: 00007fd764d9ce59
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fd76501609c
RBP: 00007fd765016090 R08: 0030c5c6f5288140 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd765016128 R14: 00007fff964e92b0 R15: 00007fff964e9398
</TASK>
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: 0018:ffffc90000007810 EFLAGS: 00010006
RAX: 0bed6c6dee648e8e RBX: ffffe8ffff901500 RCX: dffffc0000000000
RDX: 0000000000010000 RSI: 0000000000000004 RDI: ffffc900000077a0
RBP: ffffc90000007850 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff52000000ef4 R12: ffffe8ffff901508
R13: 1ffffd1ffff202a0 R14: 0000000000000001 R15: 5f6b636f73247470
FS: 00007fd765c556c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000100000001 CR3: 0000000124f3a000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 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)