------------[ cut here ]------------
WARNING: CPU: 0 PID: 15199 at kernel/signal.c:2050 posixtimer_send_sigqueue+0xa08/0xce0 kernel/signal.c:2050
Modules linked in:
CPU: 0 UID: 0 PID: 15199 Comm: syz.3.2583 Not tainted 6.13.0-rc7-syzkaller-00039-gc3812b15000c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:posixtimer_send_sigqueue+0xa08/0xce0 kernel/signal.c:2050
Code: 00 0f 85 f4 02 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 23 1e 3b 00 4c 8b 64 24 08 e9 28 ff ff ff 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 80 3c 03 00 74 08 4c 89 f7
RSP: 0018:ffffc90000007c00 EFLAGS: 00010086
RAX: dffffc0000000000 RBX: 1ffff1100fcd9da7 RCX: ffff888024cada00
RDX: 0000000000010000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000007cf8 R08: ffffffff816463cc R09: ffffffff81646371
R10: 0000000000000002 R11: ffff888024cada00 R12: ffff88807e6ced20
R13: 1ffff1100fcd9db4 R14: ffff88807e6ced38 R15: ffff88807e6cede0
FS:  0000555568530500(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3311cff8 CR3: 000000007a4c0000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 000000000000000c DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 posix_timer_queue_signal kernel/time/posix-timers.c:308 [inline]
 posix_timer_fn+0xe2/0x160 kernel/time/posix-timers.c:323
 __run_hrtimer kernel/time/hrtimer.c:1739 [inline]
 __hrtimer_run_queues+0x59b/0xd30 kernel/time/hrtimer.c:1803
 hrtimer_interrupt+0x403/0xa40 kernel/time/hrtimer.c:1865
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline]
 __sysvec_apic_timer_interrupt+0x110/0x420 arch/x86/kernel/apic/apic.c:1055
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1049
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:finish_task_switch+0x1ea/0x870 kernel/sched/core.c:5243
Code: c9 50 e8 49 0c 0c 00 48 83 c4 08 4c 89 f7 e8 ed 39 00 00 e9 de 04 00 00 4c 89 f7 e8 e0 28 55 0a e8 6b 89 38 00 fb 48 8b 5d c0 <48> 8d bb f8 15 00 00 48 89 f8 48 c1 e8 03 49 be 00 00 00 00 00 fc
RSP: 0018:ffffc9000c4bf968 EFLAGS: 00000286
RAX: 6d95a12c7cc88900 RBX: ffff888024cada00 RCX: ffffffff9a378903
RDX: dffffc0000000000 RSI: ffffffff8c0a98e0 RDI: ffffffff8c5edea0
RBP: ffffc9000c4bf9b0 R08: ffffffff90185937 R09: 1ffffffff2030b26
R10: dffffc0000000000 R11: fffffbfff2030b27 R12: 1ffff110170c7eac
R13: dffffc0000000000 R14: ffff8880b863e740 R15: ffff8880b863f560
 context_switch kernel/sched/core.c:5372 [inline]
 __schedule+0x1803/0x4be0 kernel/sched/core.c:6756
 __schedule_loop kernel/sched/core.c:6833 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6848
 do_nanosleep+0x197/0x600 kernel/time/hrtimer.c:2079
 hrtimer_nanosleep+0x1ec/0x410 kernel/time/hrtimer.c:2126
 __do_sys_clock_nanosleep kernel/time/posix-timers.c:1402 [inline]
 __se_sys_clock_nanosleep+0x32b/0x3c0 kernel/time/posix-timers.c:1379
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6b65db85e5
Code: 24 0c 89 3c 24 48 89 4c 24 18 e8 f6 54 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 8b 74 24 0c 8b 3c 24 b8 e6 00 00 00 0f 05 <44> 89 c7 48 89 04 24 e8 4f 55 ff ff 48 8b 04 24 48 83 c4 28 f7 d8
RSP: 002b:00007fffe2b01fd0 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6
RAX: ffffffffffffffda RBX: 00007f6b65f75fa0 RCX: 00007f6b65db85e5
RDX: 00007fffe2b02010 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f6b65f77ba0 R08: 0000000000000000 R09: 7fffffffffffffff
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000107c3b
R13: 00007f6b65f76080 R14: 0000000000000032 R15: ffffffffffffffff
 </TASK>
----------------
Code disassembly (best guess):
   0:	c9                   	leave
   1:	50                   	push   %rax
   2:	e8 49 0c 0c 00       	call   0xc0c50
   7:	48 83 c4 08          	add    $0x8,%rsp
   b:	4c 89 f7             	mov    %r14,%rdi
   e:	e8 ed 39 00 00       	call   0x3a00
  13:	e9 de 04 00 00       	jmp    0x4f6
  18:	4c 89 f7             	mov    %r14,%rdi
  1b:	e8 e0 28 55 0a       	call   0xa552900
  20:	e8 6b 89 38 00       	call   0x388990
  25:	fb                   	sti
  26:	48 8b 5d c0          	mov    -0x40(%rbp),%rbx
* 2a:	48 8d bb f8 15 00 00 	lea    0x15f8(%rbx),%rdi <-- trapping instruction
  31:	48 89 f8             	mov    %rdi,%rax
  34:	48 c1 e8 03          	shr    $0x3,%rax
  38:	49                   	rex.WB
  39:	be 00 00 00 00       	mov    $0x0,%esi
  3e:	00 fc                	add    %bh,%ah