------------[ cut here ]------------ WARNING: CPU: 0 PID: 31794 at kernel/time/posix-timers.c:849 timer_wait_running+0x220/0x260 kernel/time/posix-timers.c:849 Modules linked in: CPU: 0 PID: 31794 Comm: syz-executor.4 Not tainted 5.14.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:timer_wait_running+0x220/0x260 kernel/time/posix-timers.c:849 Code: 00 48 c7 c2 a0 08 8e 89 be b0 02 00 00 48 c7 c7 00 09 8e 89 c6 05 33 93 f0 0b 01 e8 27 2b 81 07 e9 90 fe ff ff e8 e0 4d 0e 00 <0f> 0b e9 e7 fe ff ff e8 04 88 54 00 e9 33 fe ff ff e8 0a 88 54 00 RSP: 0018:ffffc900025efd50 EFLAGS: 00010216 RAX: 00000000000000a1 RBX: 0000000000000000 RCX: ffffc9001275e000 RDX: 0000000000040000 RSI: ffffffff81675b80 RDI: ffffffff898e1558 RBP: ffff888084b68d38 R08: 0000000000000001 R09: 0000000000000001 R10: ffffffff817bd298 R11: 0000000000000028 R12: ffffc900025efdb0 R13: 0000000000000000 R14: ffffffff898e14e0 R15: ffffc900025efdb0 FS: 00007f785088a700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7de78a2718 CR3: 00000000a6d2b000 CR4: 0000000000350ef0 Call Trace: do_timer_settime.part.0+0x119/0x1d0 kernel/time/posix-timers.c:929 do_timer_settime kernel/time/posix-timers.c:938 [inline] __do_sys_timer_settime kernel/time/posix-timers.c:952 [inline] __se_sys_timer_settime kernel/time/posix-timers.c:938 [inline] __x64_sys_timer_settime+0x219/0x310 kernel/time/posix-timers.c:938 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x4665f9 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f785088a188 EFLAGS: 00000246 ORIG_RAX: 00000000000000df RAX: ffffffffffffffda RBX: 000000000056c0f0 RCX: 00000000004665f9 RDX: 0000000020000180 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00000000004bfcc4 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c0f0 R13: 00007ffd01278d1f R14: 00007f785088a300 R15: 0000000000022000