INFO: task syz.2.362:9022 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.362       state:D stack:25128 pid:9022  tgid:9021  ppid:8333   task_flags:0x400040 flags:0x00004004
Call Trace:
 <TASK>
 __schedule+0x1798/0x4cc0
 schedule+0x165/0x360
 schedule_preempt_disabled+0x13/0x30
 rwsem_down_write_slowpath+0x872/0xfe0
 down_write+0x1ab/0x1f0
 super_lock+0x25c/0x3b0
 user_get_super+0xc8/0x120
 __se_sys_quotactl+0x4da/0x950
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb7efb8eba9
RSP: 002b:00007fb7f096c038 EFLAGS: 00000246 ORIG_RAX: 00000000000000b3
RAX: ffffffffffffffda RBX: 00007fb7efdd5fa0 RCX: 00007fb7efb8eba9
RDX: 0000000000000000 RSI: 0000200000000000 RDI: ffffffff80000201
RBP: 00007fb7efc11e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb7efdd6038 R14: 00007fb7efdd5fa0 R15: 00007ffc3f7bd1f8
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/34:
 #0: ffffffff8e13a0e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
1 lock held by dhcpcd/5592:
 #0: ffff888136639f98 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140
6 locks held by dhcpcd/5593:
2 locks held by getty/5679:
 #0: ffff88810ec0c0a0 (&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
3 locks held by syz-executor/5857:
1 lock held by syz.2.362/9022:
 #0: ffff88801f8b80e0 (&type->s_umount_key#64){++++}-{4:4}, at: super_lock+0x25c/0x3b0
1 lock held by syz-executor/10855:
 #0: ffffffff8e13fa40 (rcu_state.barrier_mutex){+.+.}-{4:4}, at: rcu_barrier+0x4c/0x570
1 lock held by udevd/11077:
3 locks held by syz.2.646/11989:

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

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: 11953 Comm: syz.6.642 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_is_held_type+0x118/0x190
Code: 01 00 00 00 48 c7 c7 b2 93 ba 8d e8 92 16 00 00 b8 ff ff ff ff 65 0f c1 05 35 94 26 07 83 f8 01 75 44 48 c7 04 24 00 00 00 00 <9c> 8f 04 24 f7 04 24 00 02 00 00 75 4c 41 f7 c4 00 02 00 00 74 01
RSP: 0018:ffffc900031cf358 EFLAGS: 00000046
RAX: 0000000000000001 RBX: 0000000000000001 RCX: 6d3b074ba2202000
RDX: ffff888020e31cc0 RSI: ffffffff8dba93b2 RDI: ffffffff8be33e80
RBP: 00000000ffffffff R08: ffffea0000ccf507 R09: 1ffffd4000199ea0
R10: dffffc0000000000 R11: fffff94000199ea1 R12: 0000000000000046
R13: ffff888020e31cc0 R14: ffff88803430c510 R15: 0000000000000001
FS:  00007fb8350e46c0(0000) GS:ffff8881a3c15000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc1a324038 CR3: 0000000043bf2000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 xas_start+0x1e8/0x770
 xas_load+0x2c/0x5b0
 xas_store+0xa4/0x1880
 __filemap_remove_folio+0x3c7/0x500
 filemap_remove_folio+0xe6/0x1f0
 truncate_inode_folio+0x5d/0x70
 shmem_undo_range+0x3a9/0x14b0
 shmem_evict_inode+0x272/0xa70
 evict+0x504/0x9c0
 __dentry_kill+0x209/0x660
 dput+0x19f/0x2b0
 __fput+0x68e/0xa70
 fput_close_sync+0x119/0x200
 __x64_sys_close+0x7f/0x110
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb83418d80a
Code: 48 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c 24 0c e8 43 91 02 00 8b 7c 24 0c 89 c2 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 36 89 d7 89 44 24 0c e8 a3 91 02 00 8b 44 24
RSP: 002b:00007fb8350e3e00 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fb83418d80a
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
RBP: 0000000000000010 R08: 0000000000000000 R09: 00000000000054ff
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000005
R13: 00007fb8350e3ef0 R14: 00007fb8350e4668 R15: 00007fb829e00000
 </TASK>
