INFO: task syz-executor:6150 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:21416 pid:6150  tgid:6150  ppid:1      task_flags:0x400140 flags:0x00004004
Call Trace:
 <TASK>
 __schedule+0x1798/0x4cc0
 schedule+0x165/0x360
 io_schedule+0x80/0xd0
 folio_wait_bit_common+0x6b0/0xb90
 __filemap_get_folio+0x139/0xaf0
 truncate_inode_pages_range+0x3ed/0xda0
 evict+0x517/0x9c0
 evict_inodes+0x64c/0x6d0
 generic_shutdown_super+0x9a/0x2c0
 kill_block_super+0x44/0x90
 deactivate_locked_super+0xbc/0x130
 cleanup_mnt+0x425/0x4c0
 task_work_run+0x1d4/0x260
 exit_to_user_mode_loop+0xec/0x110
 do_syscall_64+0x2bd/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f30e7d8ff57
RSP: 002b:00007ffdcab68878 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007f30e7e11c2d RCX: 00007f30e7d8ff57
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdcab68930
RBP: 00007ffdcab68930 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffdcab699c0
R13: 00007f30e7e11c2d R14: 0000000000013abf R15: 00007ffdcab69a00
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/34:
 #0: ffffffff8dd3aca0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
2 locks held by getty/5652:
 #0: ffff88801bf010a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
 #1: ffffc900029062f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x43e/0x1400
1 lock held by syz-executor/6150:
 #0: ffff8881132020e0 (&type->s_umount_key#60){++++}-{4:4}, at: deactivate_super+0xa9/0xe0
1 lock held by syz.3.1457/11688:
 #0: ffff8881132020e0 (&type->s_umount_key#60){++++}-{4:4}, at: super_lock+0x2a9/0x3b0
6 locks held by syz.1.1531/12004:
2 locks held by syz.2.1532/12008:
1 lock held by udevadm/12025:

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

NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 34 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
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+0x189/0x250
 nmi_cpu_backtrace+0x39e/0x3d0
 nmi_trigger_cpumask_backtrace+0x17a/0x300
 watchdog+0xf93/0xfe0
 kthread+0x711/0x8a0
 ret_from_fork+0x439/0x7d0
 ret_from_fork_asm+0x1a/0x30
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 5273 Comm: udevd Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:lock_release+0x2c5/0x3e0
Code: 44 24 20 00 02 00 00 75 56 f7 c3 00 02 00 00 74 01 fb 65 48 8b 05 3b 45 ae 10 48 3b 44 24 28 0f 85 8b 00 00 00 48 83 c4 30 5b <41> 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc 90 0f 0b 90 e9 5d fd
RSP: 0018:ffffc9000258f690 EFLAGS: 00000086
RAX: 167d4413099ac500 RBX: 0000000000000a06 RCX: 167d4413099ac500
RDX: 0000000000000000 RSI: ffffffff8d71699d RDI: ffffffff8b9e6fe0
RBP: ffff88810a01e130 R08: ffff888113d0be0f R09: 0000000000000000
R10: ffff888113d0be00 R11: ffffed10227a17c2 R12: 0000000000000000
R13: 0000000000000000 R14: ffff88810a151118 R15: ffff88810a01d640
FS:  00007fa966ca4c80(0000) GS:ffff8881a417e000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555579fdd608 CR3: 0000000109cf4000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 _raw_spin_unlock_irqrestore+0x70/0x110
 __skb_try_recv_datagram+0x17c/0x4e0
 skb_recv_datagram+0xbe/0x190
 netlink_recvmsg+0x101/0xa30
 sock_recvmsg+0x22c/0x270
 ____sys_recvmsg+0x1c9/0x460
 ___sys_recvmsg+0x1b5/0x510
 __x64_sys_recvmsg+0x198/0x260
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa966d8891e
Code: ff 89 ef 48 89 04 24 e8 4f 57 f9 ff 48 8b 04 24 48 83 c4 30 5d c3 c3 64 8b 04 25 18 00 00 00 85 c0 75 21 b8 2f 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 70 48 8b 15 db c4 0c 00 f7 d8 64 89 02 48 83
RSP: 002b:00007ffd527af638 EFLAGS: 00000246 ORIG_RAX: 000000000000002f
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa966d8891e
RDX: 0000000000000000 RSI: 00007ffd527af668 RDI: 0000000000000004
RBP: 000055c4bfad79e0 R08: 000000000e03cea6 R09: 7fffffffffffffff
R10: 3fffffffffffffff R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffd527af728 R14: 0000000000000000 R15: 000055c48dd554df
 </TASK>
