WARNING: CPU: 1 PID: 30492 at fs/namespace.c:1115 cleanup_mnt+0x118/0x160 fs/namespace.c:1115
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 30492 Comm: syz-executor.3 Not tainted 5.2.0-rc2+ #14
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+0x2cb/0x744 kernel/panic.c:219
 __warn.cold+0x20/0x4d kernel/panic.c:576
 report_bug+0x263/0x2b0 lib/bug.c:186
 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+0x14/0x20 arch/x86/entry/entry_64.S:986
RIP: 0010:cleanup_mnt+0x118/0x160 fs/namespace.c:1115
Code: 1c 01 00 00 48 c7 c7 40 29 c6 88 e8 42 d7 5c 05 48 8d 7b 38 48 c7 c6 f0 4b ba 81 e8 42 5c a4 ff 5b 41 5c 5d c3 e8 c8 46 b6 ff <0f> 0b e9 0e ff ff ff e8 bc 46 b6 ff 48 89 df e8 a4 04 06 00 e9 31
RSP: 0018:ffff888090957cf8 EFLAGS: 00010293
RAX: ffff88808bafc700 RBX: ffff8880983ce600 RCX: ffffffff81ba5e04
RDX: 0000000000000000 RSI: ffffffff81ba5ef8 RDI: 0000000000000005
RBP: ffff888090957d08 R08: ffff88808bafc700 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000003e04
R13: dffffc0000000000 R14: ffff88808bafc700 R15: ffff8880983ce638
 __cleanup_mnt+0x16/0x20 fs/namespace.c:1127
 task_work_run+0x145/0x1c0 kernel/task_work.c:113
 exit_task_work include/linux/task_work.h:22 [inline]
 do_exit+0x90a/0x2fa0 kernel/exit.c:877
 do_group_exit+0x135/0x370 kernel/exit.c:981
 __do_sys_exit_group kernel/exit.c:992 [inline]
 __se_sys_exit_group kernel/exit.c:990 [inline]
 __x64_sys_exit_group+0x44/0x50 kernel/exit.c:990
 do_syscall_64+0xfd/0x680 arch/x86/entry/common.c:301
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x459279
Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007ffec5a5d4a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 000000000000001c RCX: 0000000000459279
RDX: 0000000000412e80 RSI: 0000000000a74ef0 RDI: 0000000000000043
RBP: 00000000004be9d7 R08: 000000000000000c R09: 00000000000b024f
R10: 0000555555e94940 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00007ffec5a5d5f0 R14: 00000000000b01e7 R15: 00007ffec5a5d600
Kernel Offset: disabled
Rebooting in 86400 seconds..