general protection fault, probably for non-canonical address 0xdffffc0000000004: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000020-0x0000000000000027]
CPU: 1 PID: 30131 Comm: syz.0.17561 Tainted: G        W         syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:bpf_overflow_handler+0x288/0x370 kernel/events/core.c:9862
Code: ff 55 00 41 89 c4 42 80 3c 3b 00 74 0a 48 8b 7c 24 10 e8 db 63 1a 00 48 8b 44 24 10 4c 8b 28 49 83 c5 20 4c 89 e8 48 c1 e8 03 <42> 80 3c 38 00 74 08 4c 89 ef e8 b9 63 1a 00 bb 70 02 00 00 49 03
RSP: 0000:ffffc900016ef9c0 EFLAGS: 00010202
RAX: 0000000000000004 RBX: 1ffff11021bd6379 RCX: 0000000000000000
RDX: ffffc90002323000 RSI: 0000000000000a06 RDI: 00000000ffffffff
RBP: ffffc900016efac0 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff520002dde84 R12: 0000000000000000
R13: 0000000000000020 R14: 1ffff920002ddf40 R15: dffffc0000000000
FS:  00007fde3dfe86c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fde3dfe86a8 CR3: 0000000137018000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000200000000300
DR3: 0000000000000000 DR6: 00000000ffff0ff1 DR7: 0000000000000600
Call Trace:
 __perf_event_overflow+0x1b3/0x340 kernel/events/core.c:9086
 perf_swevent_overflow kernel/events/core.c:9162 [inline]
 perf_swevent_event+0x2f7/0x530 kernel/events/core.c:-1
 do_perf_sw_event kernel/events/core.c:9303 [inline]
 ___perf_sw_event+0x3aa/0x4d0 kernel/events/core.c:9334
 __perf_sw_event+0x134/0x270 kernel/events/core.c:9346
 perf_sw_event include/linux/perf_event.h:1179 [inline]
 do_user_addr_fault+0xc76/0xc90 arch/x86/mm/fault.c:1255
 handle_page_fault arch/x86/mm/fault.c:1428 [inline]
 exc_page_fault+0x5a/0xc0 arch/x86/mm/fault.c:1484
 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:571
RIP: 0033:0x7fde3f58d82b
Code: 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 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 41
RSP: 002b:00007fde3dfe8028 EFLAGS: 00010213
RAX: 0000000000000068 RBX: 00007fde3f806fa0 RCX: ffffffffffffffe8
RDX: 0000000000000000 RSI: 0000200000000900 RDI: 0000000000000008
RBP: 00007fde3f623c91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fde3f807038 R14: 00007fde3f806fa0 R15: 00007ffcc08b3188
Modules linked in:
---[ end trace 8b24b0ba5f5d025d ]---
RIP: 0010:bpf_overflow_handler+0x288/0x370 kernel/events/core.c:9862
Code: ff 55 00 41 89 c4 42 80 3c 3b 00 74 0a 48 8b 7c 24 10 e8 db 63 1a 00 48 8b 44 24 10 4c 8b 28 49 83 c5 20 4c 89 e8 48 c1 e8 03 <42> 80 3c 38 00 74 08 4c 89 ef e8 b9 63 1a 00 bb 70 02 00 00 49 03
RSP: 0000:ffffc900016ef9c0 EFLAGS: 00010202
RAX: 0000000000000004 RBX: 1ffff11021bd6379 RCX: 0000000000000000
RDX: ffffc90002323000 RSI: 0000000000000a06 RDI: 00000000ffffffff
RBP: ffffc900016efac0 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff520002dde84 R12: 0000000000000000
R13: 0000000000000020 R14: 1ffff920002ddf40 R15: dffffc0000000000
FS:  00007fde3dfe86c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fde3dfe86a8 CR3: 0000000137018000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000200000000300
DR3: 0000000000000000 DR6: 00000000ffff0ff1 DR7: 0000000000000600
----------------
Code disassembly (best guess):
   0:	ff 55 00             	call   *0x0(%rbp)
   3:	41 89 c4             	mov    %eax,%r12d
   6:	42 80 3c 3b 00       	cmpb   $0x0,(%rbx,%r15,1)
   b:	74 0a                	je     0x17
   d:	48 8b 7c 24 10       	mov    0x10(%rsp),%rdi
  12:	e8 db 63 1a 00       	call   0x1a63f2
  17:	48 8b 44 24 10       	mov    0x10(%rsp),%rax
  1c:	4c 8b 28             	mov    (%rax),%r13
  1f:	49 83 c5 20          	add    $0x20,%r13
  23:	4c 89 e8             	mov    %r13,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 80 3c 38 00       	cmpb   $0x0,(%rax,%r15,1) <-- trapping instruction
  2f:	74 08                	je     0x39
  31:	4c 89 ef             	mov    %r13,%rdi
  34:	e8 b9 63 1a 00       	call   0x1a63f2
  39:	bb 70 02 00 00       	mov    $0x270,%ebx
  3e:	49                   	rex.WB
  3f:	03                   	.byte 0x3