------------[ cut here ]------------
WARNING: CPU: 1 PID: 14899 at kernel/time/posix-cpu-timers.c:401 posix_cpu_timer_del+0x2f0/0x3b0 kernel/time/posix-cpu-timers.c:401
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 14899 Comm: syz-executor.5 Not tainted 5.3.0-rc6-next-20190826 #73
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x172/0x1f0 lib/dump_stack.c:113
 panic+0x2dc/0x755 kernel/panic.c:220
 __warn.cold+0x2f/0x3c kernel/panic.c:581
 report_bug+0x289/0x300 lib/bug.c:195
 fixup_bug arch/x86/kernel/traps.c:179 [inline]
 fixup_bug arch/x86/kernel/traps.c:174 [inline]
 do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:272
 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:291
 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1028
RIP: 0010:posix_cpu_timer_del+0x2f0/0x3b0 kernel/time/posix-cpu-timers.c:401
Code: 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 b5 00 00 00 48 83 bb c8 00 00 00 00 74 16 e8 10 58 0d 00 <0f> 0b e9 87 fe ff ff e8 44 41 48 00 e9 dd fd ff ff e8 fa 57 0d 00
RSP: 0018:ffff8880860f7a38 EFLAGS: 00010093
RAX: ffff888068944000 RBX: ffff8880a00e1e60 RCX: 1ffff1100d128912
RDX: 0000000000000000 RSI: ffffffff8164d5c0 RDI: ffff8880a00e1f28
RBP: ffff8880860f7ac8 R08: 0000000000000002 R09: ffff888068944898
R10: fffffbfff138b0f8 R11: ffffffff89c587c7 R12: ffff8880a3cd86c0
R13: 1ffff11010c1ef48 R14: ffff8880860f7aa0 R15: ffff8880a00e1eb8
 timer_delete_hook kernel/time/posix-timers.c:978 [inline]
 itimer_delete kernel/time/posix-timers.c:1021 [inline]
 exit_itimers+0xdb/0x2e0 kernel/time/posix-timers.c:1041
 do_exit+0x1980/0x2e60 kernel/exit.c:853
 do_group_exit+0x135/0x360 kernel/exit.c:983
 get_signal+0x47c/0x2500 kernel/signal.c:2734
 do_signal+0x87/0x1700 arch/x86/kernel/signal.c:815
 exit_to_usermode_loop+0x286/0x380 arch/x86/entry/common.c:159
 prepare_exit_to_usermode arch/x86/entry/common.c:194 [inline]
 syscall_return_slowpath+0x47a/0x530 arch/x86/entry/common.c:274
 ret_from_fork+0x15/0x30 arch/x86/entry/entry_64.S:344
RIP: 0033:0x45c249
Code: ff 48 85 f6 0f 84 27 8e fb ff 48 83 ee 10 48 89 4e 08 48 89 3e 48 89 d7 4c 89 c2 4d 89 c8 4c 8b 54 24 08 b8 38 00 00 00 0f 05 <48> 85 c0 0f 8c fe 8d fb ff 74 01 c3 31 ed 48 f7 c7 00 00 01 00 75
RSP: 002b:00007ff1ee5efdb0 EFLAGS: 00000202 ORIG_RAX: 0000000000000038
RAX: 0000000000000000 RBX: 00007ff1ee5f0700 RCX: 000000000045c249
RDX: 00007ff1ee5f09d0 RSI: 00007ff1ee5efdb0 RDI: 00000000003d0f00
RBP: 00007ffeeeb8c640 R08: 00007ff1ee5f0700 R09: 00007ff1ee5f0700
R10: 00007ff1ee5f09d0 R11: 0000000000000202 R12: 0000000000000000
R13: 00007ffeeeb8c4df R14: 00007ff1ee5f09c0 R15: 000000000075bfd4
Kernel Offset: disabled
Rebooting in 86400 seconds..