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WARNING: CPU: 2 PID: 7856 at kernel/signal.c:2050 posixtimer_send_sigqueue+0xba8/0x1020 kernel/signal.c:2050
Modules linked in:
CPU: 2 UID: 0 PID: 7856 Comm: syz.4.823 Not tainted 6.13.0-rc3-syzkaller-00026-g59dbb9d81adf #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:posixtimer_send_sigqueue+0xba8/0x1020 kernel/signal.c:2050
Code: ff ff 4c 89 e7 e8 98 ff 9d 00 e9 7e f8 ff ff 41 bf 02 00 00 00 e9 87 f8 ff ff 48 89 54 24 10 48 89 44 24 08 e8 59 51 3b 00 90 <0f> 0b 90 48 8d 7b 10 48 8b 44 24 08 48 b9 00 00 00 00 00 fc ff df
RSP: 0018:ffffc9000327fc38 EFLAGS: 00010087
RAX: 0000000000022bed RBX: ffff88804d1243c0 RCX: ffffc90024f61000
RDX: 0000000000080000 RSI: ffffffff815ec2e7 RDI: 0000000000000001
RBP: ffff88802b29c880 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: ffff88804d124464
R13: 1ffff9200064ff8c R14: ffff88804d124498 R15: ffff88804d124480
FS:  00007f4e771946c0(0000) GS:ffff88806a800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c34f729 CR3: 0000000023c64000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 cpu_timer_fire kernel/time/posix-cpu-timers.c:607 [inline]
 handle_posix_cpu_timers kernel/time/posix-cpu-timers.c:1390 [inline]
 posix_cpu_timers_work+0xae8/0x1380 kernel/time/posix-cpu-timers.c:1137
 task_work_run+0x14e/0x250 kernel/task_work.c:239
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x27b/0x2a0 kernel/entry/common.c:218
 do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4e76385d29
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f4e77194038 EFLAGS: 00000246 ORIG_RAX: 0000000000000014
RAX: 0000000000000058 RBX: 00007f4e76575fa0 RCX: 00007f4e76385d29
RDX: 0000000000000001 RSI: 0000000020000140 RDI: 0000000000000003
RBP: 00007f4e76401a20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f4e76575fa0 R15: 00007ffe4d89ea78
 </TASK>