XFS (loop4): Mounting V4 Filesystem
XFS (loop4): Ending clean mount
XFS (loop4): Unmounting Filesystem
INFO: task syz-executor.2:2868 blocked for more than 140 seconds.
      Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
netlink: 'syz-executor.5': attribute type 10 has an invalid length.
syz-executor.2  D29080  2868   8204 0x00000004
Call Trace:
 context_switch kernel/sched/core.c:2828 [inline]
 __schedule+0x887/0x2040 kernel/sched/core.c:3517
 schedule+0x8d/0x1b0 kernel/sched/core.c:3561
 request_wait_answer+0x3dc/0x750 fs/fuse/dev.c:485
 __fuse_request_send+0x123/0x1c0 fs/fuse/dev.c:505
 fuse_simple_request+0x2e6/0x820 fs/fuse/dev.c:576
 fuse_do_getattr+0x230/0xc50 fs/fuse/dir.c:927
 fuse_update_get_attr fs/fuse/dir.c:960 [inline]
 fuse_getattr+0x261/0x2e0 fs/fuse/dir.c:1838
 vfs_getattr_nosec+0xff/0x160 fs/stat.c:79
 vfs_getattr fs/stat.c:116 [inline]
 vfs_statx+0x15a/0x210 fs/stat.c:189
 vfs_stat include/linux/fs.h:3132 [inline]
 __do_sys_newstat fs/stat.c:337 [inline]
 __se_sys_newstat+0x96/0x120 fs/stat.c:333
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fa636b430a9
Code: Bad RIP value.
RSP: 002b:00007fa62cc83168 EFLAGS: 00000246 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 00007fa636c63120 RCX: 00007fa636b430a9
RDX: 0000000000000000 RSI: 0000000020005f00 RDI: 0000000020005880
RBP: 00007fa636b9eae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff6a0e7eff R14: 00007fa62cc83300 R15: 0000000000022000

Showing all locks held in the system:
1 lock held by khungtaskd/1571:
 #0: 000000002495c7a6 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441
1 lock held by in:imklog/7823:
 #0: 0000000010f8806d (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767
3 locks held by kworker/u4:2/18700:
 #0: 0000000005f8ee85 (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1826 [inline]
 #0: 0000000005f8ee85 (&rq->lock){-.-.}, at: __schedule+0x1f9/0x2040 kernel/sched/core.c:3455
 #1: 000000002495c7a6 (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline]
 #1: 000000002495c7a6 (rcu_read_lock){....}, at: update_curr+0x2c3/0x870 kernel/sched/fair.c:857
 #2: 000000000b454970 (&wdev->mtx){+.+.}, at: sdata_lock net/mac80211/ieee80211_i.h:977 [inline]
 #2: 000000000b454970 (&wdev->mtx){+.+.}, at: ieee80211_ibss_rx_queued_mgmt+0xe9/0x18b0 net/mac80211/ibss.c:1623
2 locks held by syz-executor.4/8670:

=============================================

NMI backtrace for cpu 1
CPU: 1 PID: 1571 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 nmi_cpu_backtrace.cold+0x63/0xa2 lib/nmi_backtrace.c:101
 nmi_trigger_cpumask_backtrace+0x1a6/0x1f0 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:203 [inline]
 watchdog+0x991/0xe60 kernel/hung_task.c:287
 kthread+0x33f/0x460 kernel/kthread.c:259
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 1 Comm: systemd Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
RIP: 0033:0x7f8e01011f7c
Code: c3 0f 84 b7 00 00 00 48 89 ee 48 89 df e8 3c dd ff ff 48 85 c0 48 89 c2 0f 84 c8 00 00 00 83 3d 89 37 32 00 00 74 07 f0 ff 0b <75> 06 eb 1a ff 0b 74 16 48 8d 3b 48 81 ec 80 00 00 00 e8 4d a5 07
RSP: 002b:00007ffc86d50500 EFLAGS: 00000246
RAX: 000055d0ec1a1d30 RBX: 00007f8e01330b00 RCX: 0000000000000000
RDX: 000055d0ec1a1d30 RSI: 000055d0ec1a2d30 RDI: 0000000000000004
RBP: 0000000000001000 R08: 0000000000000003 R09: 0000000000001010
R10: 000055d0ec192a80 R11: 00007f8e010f4184 R12: 000000000000002f
R13: 0000000000000000 R14: 000055d0ec18d920 R15: 000055d0ec05a818
FS:  00007f8e02aa9500 GS:  0000000000000000