general protection fault, probably for non-canonical address 0xdffffdffe0000000: 0000 [#1] PREEMPT SMP KASAN
KASAN: probably user-memory-access in range [0x00000fff00000000-0x00000fff00000007]
CPU: 0 PID: 1108 Comm: kworker/u4:3 Not tainted 5.19.0-syzkaller-14090-g4a9350597aff #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
RIP: 0010:timerqueue_del+0x26/0xf0 lib/timerqueue.c:55
Code: 0f 1f 40 00 55 41 57 41 56 41 55 41 54 53 49 89 f5 49 89 fe 48 bd 00 00 00 00 00 fc ff df e8 21 3a 20 fd 4d 89 ec 49 c1 ec 03 <41> 80 3c 2c 00 74 08 4c 89 ef e8 cb d8 73 fd 49 8b 5d 00 48 89 df
RSP: 0000:ffffc90004ebfc30 EFLAGS: 00010006
RAX: ffffffff846958af RBX: 00000fff00000000 RCX: ffff888020858000
RDX: 0000000000000000 RSI: 00000fff00000000 RDI: ffff8880207744d8
RBP: dffffc0000000000 R08: dffffc0000000000 R09: fffff520009d7f84
R10: fffff520009d7f85 R11: 1ffff920009d7f84 R12: 000001ffe0000000
R13: 00000fff00000000 R14: ffff8880207744d8 R15: ffff8880207744d8
FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff88823ffff000 CR3: 000000000ca8e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
cleanup_timerqueue kernel/time/posix-cpu-timers.c:519 [inline]
cleanup_timers kernel/time/posix-cpu-timers.c:534 [inline]
posix_cpu_timers_exit_group+0x7b/0x200 kernel/time/posix-cpu-timers.c:550
__exit_signal kernel/exit.c:109 [inline]
release_task+0x5b8/0x1890 kernel/exit.c:203
exit_notify kernel/exit.c:708 [inline]
do_exit+0x16ac/0x20a0 kernel/exit.c:815
call_usermodehelper_exec_async+0x3a1/0x3b0 kernel/umh.c:125
ret_from_fork+0x1f/0x30
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:timerqueue_del+0x26/0xf0 lib/timerqueue.c:55
Code: 0f 1f 40 00 55 41 57 41 56 41 55 41 54 53 49 89 f5 49 89 fe 48 bd 00 00 00 00 00 fc ff df e8 21 3a 20 fd 4d 89 ec 49 c1 ec 03 <41> 80 3c 2c 00 74 08 4c 89 ef e8 cb d8 73 fd 49 8b 5d 00 48 89 df
RSP: 0000:ffffc90004ebfc30 EFLAGS: 00010006
RAX: ffffffff846958af RBX: 00000fff00000000 RCX: ffff888020858000
RDX: 0000000000000000 RSI: 00000fff00000000 RDI: ffff8880207744d8
RBP: dffffc0000000000 R08: dffffc0000000000 R09: fffff520009d7f84
R10: fffff520009d7f85 R11: 1ffff920009d7f84 R12: 000001ffe0000000
R13: 00000fff00000000 R14: ffff8880207744d8 R15: ffff8880207744d8
FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff88823ffff000 CR3: 000000000ca8e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 0f 1f 40 00 nopl 0x0(%rax)
4: 55 push %rbp
5: 41 57 push %r15
7: 41 56 push %r14
9: 41 55 push %r13
b: 41 54 push %r12
d: 53 push %rbx
e: 49 89 f5 mov %rsi,%r13
11: 49 89 fe mov %rdi,%r14
14: 48 bd 00 00 00 00 00 movabs $0xdffffc0000000000,%rbp
1b: fc ff df
1e: e8 21 3a 20 fd callq 0xfd203a44
23: 4d 89 ec mov %r13,%r12
26: 49 c1 ec 03 shr $0x3,%r12
* 2a: 41 80 3c 2c 00 cmpb $0x0,(%r12,%rbp,1) <-- trapping instruction
2f: 74 08 je 0x39
31: 4c 89 ef mov %r13,%rdi
34: e8 cb d8 73 fd callq 0xfd73d904
39: 49 8b 5d 00 mov 0x0(%r13),%rbx
3d: 48 89 df mov %rbx,%rdi