jfs: Unrecognized mount option "uid=" or missing value
jfs: Unrecognized mount option "uid=" or missing value
INFO: task syz-executor1:28982 blocked for more than 140 seconds.
      Not tainted 4.18.0-rc5-next-20180717+ #9
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor1   D24168 28982   7750 0x00000004
Call Trace:
 context_switch kernel/sched/core.c:2821 [inline]
 __schedule+0x87c/0x1ea0 kernel/sched/core.c:3469
 schedule+0xfb/0x450 kernel/sched/core.c:3513
 schedule_preempt_disabled+0x10/0x20 kernel/sched/core.c:3571
 __mutex_lock_common kernel/locking/mutex.c:1003 [inline]
 __mutex_lock+0xbf5/0x1680 kernel/locking/mutex.c:1073
 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1088
 fuse_lock_inode+0xaf/0xe0 fs/fuse/inode.c:364
 fuse_lookup+0x8f/0x4c0 fs/fuse/dir.c:359
 __lookup_slow+0x2b5/0x540 fs/namei.c:1671
 lookup_slow+0x57/0x80 fs/namei.c:1688
 walk_component+0x94a/0x2630 fs/namei.c:1810
 lookup_last fs/namei.c:2278 [inline]
 path_lookupat.isra.45+0x202/0xbf0 fs/namei.c:2328
 filename_lookup+0x264/0x510 fs/namei.c:2362
 user_path_at_empty+0x40/0x50 fs/namei.c:2625
 user_path include/linux/namei.h:62 [inline]
 do_mount+0x180/0x1fb0 fs/namespace.c:2829
 ksys_mount+0x12d/0x140 fs/namespace.c:3105
 __do_sys_mount fs/namespace.c:3119 [inline]
 __se_sys_mount fs/namespace.c:3116 [inline]
 __x64_sys_mount+0xbe/0x150 fs/namespace.c:3116
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x455ab9
Code: e0 1f 48 89 04 24 e8 b6 6f fd ff e8 81 6a fd ff e8 5c 68 fd ff 48 8d 05 23 cd 48 00 48 89 04 24 48 c7 44 24 08 1d 00 00 00 e8 <13> 5e fd ff 0f 0b e8 8c 44 00 00 e9 07 f0 ff ff cc cc cc cc cc cc 
RSP: 002b:00007fe80cf8bc68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fe80cf8c6d4 RCX: 0000000000455ab9
RDX: 0000000020000080 RSI: 0000000020000000 RDI: 0000000000000000
RBP: 000000000072bff0 R08: 00000000200005c0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000004c025d R14: 00000000004cfef8 R15: 0000000000000002
INFO: lockdep is turned off.
NMI backtrace for cpu 0
CPU: 0 PID: 902 Comm: khungtaskd Not tainted 4.18.0-rc5-next-20180717+ #9
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+0x1c9/0x2b4 lib/dump_stack.c:113
 nmi_cpu_backtrace.cold.3+0x48/0x88 lib/nmi_backtrace.c:101
 nmi_trigger_cpumask_backtrace+0x151/0x192 lib/nmi_backtrace.c:62
 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38
 trigger_all_cpu_backtrace include/linux/nmi.h:144 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:204 [inline]
 watchdog+0xb39/0x10b0 kernel/hung_task.c:265
 kthread+0x345/0x410 kernel/kthread.c:246
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:415
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 2422 Comm: udevd Not tainted 4.18.0-rc5-next-20180717+ #9
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:ep_scan_ready_list+0xf2/0xf50 fs/eventpoll.c:668
Code: c7 40 34 00 f2 f2 f2 c7 40 38 f2 f2 f2 f2 c7 40 3c 00 f2 f2 f2 c7 40 40 f2 f2 f2 f2 c7 40 44 00 f2 f2 f2 c7 40 48 f2 f2 f2 f2 <c7> 40 4c 00 f2 f2 f2 65 48 8b 04 25 28 00 00 00 48 89 45 d0 31 c0 
RSP: 0018:ffff8801ca0ff668 EFLAGS: 00000282
RAX: ffffed003941fed9 RBX: ffff8801ca0ff968 RCX: 0000000000000000
RDX: ffff8801ca0ffb28 RSI: ffffffff81dc6ac0 RDI: ffff8801c9c3aa00
RBP: ffff8801ca0ff990 R08: 0000000000000000 R09: ffffed0039387540
R10: ffffed0039387540 R11: ffff8801c9c3aa03 R12: ffffffff81dc6ac0
R13: ffff8801c9c3aa00 R14: ffff8801ca0ffb28 R15: dffffc0000000000
FS:  00007f65e03637a0(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffff600400 CR3: 00000001ca7a1000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ep_send_events fs/eventpoll.c:1706 [inline]
 ep_poll+0x3ef/0x1210 fs/eventpoll.c:1832
 do_epoll_wait+0x1b0/0x200 fs/eventpoll.c:2190
 __do_sys_epoll_wait fs/eventpoll.c:2200 [inline]
 __se_sys_epoll_wait fs/eventpoll.c:2197 [inline]
 __x64_sys_epoll_wait+0x97/0xf0 fs/eventpoll.c:2197
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f65dfa77943
Code: 00 31 d2 48 29 c2 64 89 11 48 83 c8 ff eb ea 90 90 90 90 90 90 90 90 83 3d b5 dc 2a 00 00 75 13 49 89 ca b8 e8 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 34 c3 48 83 ec 08 e8 3b c4 00 00 48 89 04 24 
RSP: 002b:00007ffd3f697938 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8
RAX: ffffffffffffffda RBX: 0000000000000bb8 RCX: 00007f65dfa77943
RDX: 0000000000000008 RSI: 00007ffd3f697a30 RDI: 000000000000000a
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000001
R10: 0000000000000bb8 R11: 0000000000000246 R12: 0000000000000003
R13: 0000000000000000 R14: 0000000000ddf600 R15: 0000000000dce250