gfs2: fsid=syz:syz.0: jid=0: Done
gfs2: fsid=syz:syz.0: first mount done, others may mount
REISERFS warning (device loop2): super-6504 reiserfs_getopt: the option "usrjquota" requires an argument
------------[ cut here ]------------
WARNING: CPU: 1 PID: 9552 at kernel/workqueue.c:4131 destroy_workqueue+0x1d3/0x710 kernel/workqueue.c:4131
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 9552 Comm: syz-executor.2 Not tainted 4.14.215-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x1b2/0x283 lib/dump_stack.c:58
panic+0x1f9/0x42d kernel/panic.c:183
__warn.cold+0x20/0x4b kernel/panic.c:547
report_bug+0x208/0x249 lib/bug.c:186
fixup_bug arch/x86/kernel/traps.c:177 [inline]
fixup_bug arch/x86/kernel/traps.c:172 [inline]
do_error_trap+0x195/0x2d0 arch/x86/kernel/traps.c:295
invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:964
RIP: 0010:destroy_workqueue+0x1d3/0x710 kernel/workqueue.c:4131
RSP: 0018:ffff88805354fae8 EFLAGS: 00010216
RAX: 0000000000040000 RBX: ffff8880a37e2c80 RCX: ffffc9000b52c000
RDX: 0000000000018da4 RSI: ffffffff81379553 RDI: 0000000000000286
RBP: dffffc0000000000 R08: 0000000000000000 R09: 0000000000040030
R10: ffff888053542c30 R11: ffff888053542380 R12: ffffe8ffffd9c258
R13: ffffe8ffffd9c200 R14: ffff8880a37e2ca0 R15: ffffe8ffffd9c238
reiserfs_fill_super+0x4f8/0x28be fs/reiserfs/super.c:2233
mount_bdev+0x2b3/0x360 fs/super.c:1134
mount_fs+0x92/0x2a0 fs/super.c:1237
vfs_kern_mount.part.0+0x5b/0x470 fs/namespace.c:1046
vfs_kern_mount fs/namespace.c:1036 [inline]
do_new_mount fs/namespace.c:2549 [inline]
do_mount+0xe53/0x2a00 fs/namespace.c:2879
SYSC_mount fs/namespace.c:3095 [inline]
SyS_mount+0xa8/0x120 fs/namespace.c:3072
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x460c6a
RSP: 002b:00007fe45f23ea78 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fe45f23eb10 RCX: 0000000000460c6a
RDX: 0000000020002cc0 RSI: 0000000020002d00 RDI: 00007fe45f23ead0
RBP: 00007fe45f23ead0 R08: 00007fe45f23eb10 R09: 0000000020002cc0
R10: 0000000002000044 R11: 0000000000000202 R12: 0000000020002cc0
R13: 0000000020002d00 R14: 0000000020002f40 R15: 0000000020002f80
Kernel Offset: disabled
Rebooting in 86400 seconds..