REISERFS warning (device loop0): sh-2021 reiserfs_fill_super: can not find reiserfs on loop0 BUG: MAX_STACK_TRACE_ENTRIES too low! turning off the locking correctness validator. CPU: 1 PID: 5219 Comm: syz-executor.0 Not tainted 5.3.0-rc1+ #49 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+0x1d8/0x2f8 lib/dump_stack.c:113 save_trace kernel/locking/lockdep.c:473 [inline] mark_lock+0x52e/0x1850 kernel/locking/lockdep.c:3583 mark_usage kernel/locking/lockdep.c:3509 [inline] __lock_acquire+0x737/0x4750 kernel/locking/lockdep.c:3834 lock_acquire+0x158/0x250 kernel/locking/lockdep.c:4413 flush_workqueue+0x17e/0x13f0 kernel/workqueue.c:2774 drain_workqueue+0xb9/0x500 kernel/workqueue.c:2939 destroy_workqueue+0x2b/0xb00 kernel/workqueue.c:4320 reiserfs_fill_super+0x10fa/0x3290 fs/reiserfs/super.c:2224 mount_bdev+0x27c/0x390 fs/super.c:1286 get_super_block+0x34/0x40 fs/reiserfs/super.c:2599 legacy_get_tree+0xf9/0x1a0 fs/fs_context.c:661 vfs_get_tree+0x8f/0x380 fs/super.c:1416 do_new_mount fs/namespace.c:2791 [inline] do_mount+0x1835/0x26f0 fs/namespace.c:3111 ksys_mount+0xcc/0x100 fs/namespace.c:3320 __do_sys_mount fs/namespace.c:3334 [inline] __se_sys_mount fs/namespace.c:3331 [inline] __x64_sys_mount+0xbf/0xd0 fs/namespace.c:3331 do_syscall_64+0xfe/0x140 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45c27a Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 9d 8d fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 7a 8d fb ff c3 66 0f 1f 84 00 00 00 00 00 RSP: 002b:00007f1e546eaa88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f1e546eab40 RCX: 000000000045c27a RDX: 00007f1e546eaae0 RSI: 0000000020000040 RDI: 00007f1e546eab00 RBP: 0000000000000000 R08: 00007f1e546eab40 R09: 00007f1e546eaae0 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000003 R13: 00000000004c88f7 R14: 00000000004df580 R15: 00000000ffffffff