INFO: task syz.1.5132:27785 blocked for more than 143 seconds.
      Tainted: G             L      syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.5132      state:D stack:25800 pid:27785 tgid:27784 ppid:25660  task_flags:0x400140 flags:0x00080002
Call Trace:
 <TASK>
 __schedule+0x17ba/0x5670
 schedule+0x164/0x360
 schedule_preempt_disabled+0x13/0x30
 __mutex_lock+0x7f7/0x1550
 bdev_open+0xe0/0xd30
 blkdev_open+0x470/0x610
 do_dentry_open+0x822/0x13a0
 vfs_open+0x3b/0x340
 path_openat+0x2e08/0x3860
 do_file_open+0x23e/0x4a0
 do_sys_openat2+0x113/0x200
 __x64_sys_openat+0x138/0x170
 do_syscall_64+0x15f/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd98855d60e
RSP: 002b:00007fd989389b28 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fd98938a6c0 RCX: 00007fd98855d60e
RDX: 0000000000020000 RSI: 00007fd989389c00 RDI: ffffffffffffff9c
RBP: 00007fd989389c00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: cccccccccccccccd
R13: 00007fd988816038 R14: 00007fd988815fa0 R15: 00007ffe24cdf838
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/35:
 #0: ffffffff8e95cda0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
2 locks held by getty/5438:
 #0: ffff888112b650a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
 #1: ffffc9000346e2e8 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x45f/0x1490
3 locks held by kworker/1:5/5683:
 #0: ffff88810006b140 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0xa35/0x1860
 #1: ffffc90004f1fc40 ((fqdir_free_work).work){+.+.}-{0:0}, at: process_scheduled_works+0xa70/0x1860
 #2: ffffffff8e962f78 (rcu_state.barrier_mutex){+.+.}-{4:4}, at: rcu_barrier+0x4c/0x580
5 locks held by kworker/0:9/8992:
 #0: ffff888104ecb140 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_scheduled_works+0xa35/0x1860
 #1: ffffc900071ffc40 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_scheduled_works+0xa70/0x1860
 #2: ffff88816bbac1d8 (&dev->mutex){....}-{4:4}, at: hub_event+0x17f/0x4f30
 #3: ffff88816bc19568 (&port_dev->status_lock){+.+.}-{4:4}, at: hub_event+0x217a/0x4f30
 #4: ffff8881673da660 (hcd->address0_mutex){+.+.}-{4:4}, at: hub_event+0x21a2/0x4f30
5 locks held by kworker/u9:13/15802:
1 lock held by udevd/26807:
 #0: ffff88810a5ae350 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xe0/0xd30
1 lock held by syz.1.5132/27785:
 #0: ffff88810a5ae350 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xe0/0xd30
2 locks held by syz-executor/28380:
 #0: ffff88812103b020 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x31/0x150
 #1: ffff888121024588 (psi_seq){-.-.}-{0:0}, at: psi_task_switch+0x53/0x880

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

NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 35 Comm: khungtaskd Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150
 nmi_cpu_backtrace+0x274/0x2d0
 nmi_trigger_cpumask_backtrace+0x17a/0x300
 sys_info+0x135/0x170
 watchdog+0xfd3/0x1030
 kthread+0x388/0x470
 ret_from_fork+0x514/0xb70
 ret_from_fork_asm+0x1a/0x30
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 5041 Comm: syslogd Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:__lock_acquire+0xc4c/0x2cf0
Code: 48 ff cb f7 c1 00 60 00 00 74 c3 e9 90 00 00 00 48 c7 c7 d0 b1 82 8e 4c 89 fe e8 ff 8d 4d 03 48 8b 54 24 18 eb c3 48 8b 48 18 <48> 39 e9 0f 84 b9 00 00 00 48 8b 40 08 48 85 c0 0f 84 ca fe ff ff
RSP: 0018:ffffc9000178f690 EFLAGS: 00000046
RAX: ffffffff949672b0 RBX: 00000000000339eb RCX: d4cddc03e1b22f26
RDX: 000000001ec1e500 RSI: 000000000e98f37a RDI: ffff8881140ed880
RBP: 30ba10544fc9af82 R08: ffffffff8222c4cc R09: ffffffff8ea9ac60
R10: ffffc9000178fa40 R11: fffff520002f1f52 R12: ffff8881140ee488
R13: ffff8881140ee488 R14: ffff8881140ed880 R15: 0000000000000003
FS:  00007fd4e20a3380(0000) GS:ffff88818dc96000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000001200 CR3: 000000016c134000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 lock_acquire+0x106/0x350
 fs_reclaim_acquire+0x98/0x100
 __kmalloc_noprof+0x9d/0x760
 tomoyo_realpath_from_path+0xe3/0x5d0
 tomoyo_path2_perm+0x2c5/0x760
 tomoyo_path_rename+0x14e/0x1b0
 security_path_rename+0x248/0x460
 filename_renameat2+0x4c1/0x9c0
 __se_sys_rename+0x55/0x2c0
 do_syscall_64+0x15f/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd4e217b93b
Code: 48 8b 15 f0 64 15 00 83 c8 ff 64 83 3a 15 75 0e 48 8b 7c 24 08 e8 d5 d4 07 00 f7 d8 19 c0 48 83 c4 18 c3 b8 52 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 10 48 8b 15 be 64 15 00 f7 d8 64 89 02 48 83
RSP: 002b:00007ffd0d31e9a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000052
RAX: ffffffffffffffda RBX: 000055ab62130910 RCX: 00007fd4e217b93b
RDX: 00007ffd0d31e9c3 RSI: 00007ffd0d31e9b0 RDI: 00007fd4e2396443
RBP: 00007ffd0d31eaf0 R08: 0000000000000000 R09: 00007ffd0d31e378
R10: 00007fd4e23963c0 R11: 0000000000000246 R12: 000055ab62130c50
R13: 00007ffd0d31e9b0 R14: 00007ffd0d31e9d0 R15: 0000000000000000
 </TASK>
