INFO: task udevd:9921 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:udevd           state:D stack:22496 pid:9921  tgid:9921  ppid:5257   task_flags:0x400140 flags:0x00080002
Call Trace:
 <TASK>
 __schedule+0x15dd/0x52d0
 schedule+0x164/0x360
 io_schedule+0x7f/0xd0
 folio_wait_bit_common+0x6d8/0xbc0
 do_read_cache_folio+0x1ad/0x590
 read_part_sector+0xb6/0x2b0
 adfspart_check_POWERTEC+0x92/0xef0
 bdev_disk_changed+0x7ba/0x1550
 blkdev_get_whole+0x380/0x510
 bdev_open+0x31e/0xd30
 blkdev_open+0x470/0x610
 do_dentry_open+0x785/0x14e0
 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+0x14d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe3c69169a4
RSP: 002b:00007ffcf1dfe130 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 000055e4c2d29780 RCX: 00007fe3c69169a4
RDX: 00000000000a0800 RSI: 000055e4c2d24820 RDI: 00000000ffffff9c
RBP: 000055e4c2d24820 R08: 0000000000000001 R09: 3fffffffffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000a0800
R13: 000055e4c2d3daf0 R14: 0000000000000001 R15: 000055e4c2d09910
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/34:
 #0: ffffffff8e75e5e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
2 locks held by getty/5634:
 #0: ffff88811526b0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
 #1: ffffc900035732f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x45c/0x13c0
1 lock held by udevd/9921:
 #0: ffff88816a41a358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xe0/0xd30
3 locks held by kworker/u10:17/28065:
 #0: ffff8881000ac148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0xa52/0x18c0
 #1: ffffc9003c4dfc40 ((linkwatch_work).work){+.+.}-{0:0}, at: process_scheduled_works+0xa8d/0x18c0
 #2: ffffffff8fbd0b88 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0xe/0x60
3 locks held by syz.3.30776/30357:
1 lock held by syz.3.30776/30363:
 #0: ffffffff8fbd0b88 (rtnl_mutex){+.+.}-{4:4}, at: rtnetlink_rcv_msg+0x722/0xbe0
3 locks held by syz.1.30777/30362:
 #0: ffffffff8fc3e930 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40
 #1: ffffffff8fc3e748 (genl_mutex){+.+.}-{4:4}, at: genl_rcv_msg+0x10b/0x7a0
 #2: ffffffff8fbd0b88 (rtnl_mutex){+.+.}-{4:4}, at: ieee80211_register_hw+0x30fb/0x4200

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

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+0xe8/0x150
 nmi_cpu_backtrace+0x274/0x2d0
 nmi_trigger_cpumask_backtrace+0x17a/0x300
 sys_info+0x135/0x170
 watchdog+0xfd9/0x1030
 kthread+0x388/0x470
 ret_from_fork+0x51e/0xb90
 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: 5239 Comm: syslogd 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:__sanitizer_cov_trace_const_cmp8+0x36/0x90
Code: 58 e7 56 11 65 8b 15 79 e7 56 11 81 e2 00 01 ff 00 74 11 81 fa 00 01 00 00 75 57 83 b9 a4 16 00 00 00 74 4e 8b 91 80 16 00 00 <83> fa 03 75 43 48 8b 91 88 16 00 00 44 8b 89 84 16 00 00 49 c1 e1
RSP: 0018:ffffc900034ef4b0 EFLAGS: 00000046
RAX: ffffffff8205bb10 RBX: 00fff1800002030c RCX: ffff88816ba11d40
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffea0001a02648 R08: ffffea0001a02647 R09: 1ffffd40003404c8
R10: dffffc0000000000 R11: fffff940003404c9 R12: ffffea0001a02640
R13: dffffc0000000000 R14: 1ffffd40003404c9 R15: 1ffffd40003404c8
FS:  00007f1bacb5a380(0000) GS:ffff8882a9454000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000017038 CR3: 0000000115eac000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 __page_cache_release+0x960/0xc10
 folios_put_refs+0x5bb/0x8d0
 shmem_undo_range+0x52c/0x1660
 shmem_evict_inode+0x240/0x9e0
 evict+0x61e/0xb10
 __dentry_kill+0x1a2/0x5e0
 finish_dput+0xc9/0x480
 filename_renameat2+0x61e/0x9c0
 __se_sys_rename+0x55/0x2c0
 do_syscall_64+0x14d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1bacc3293b
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:00007ffc693c9218 EFLAGS: 00000246 ORIG_RAX: 0000000000000052
RAX: ffffffffffffffda RBX: 0000562a045ff910 RCX: 00007f1bacc3293b
RDX: 00007ffc693c9233 RSI: 00007ffc693c9220 RDI: 00007f1bace4d443
RBP: 00007ffc693c9360 R08: 0000000000000000 R09: 00007ffc693c8be8
R10: 00007f1bace4d3c0 R11: 0000000000000246 R12: 0000562a045ffc50
R13: 00007ffc693c9220 R14: 00007ffc693c9240 R15: 0000000000000000
 </TASK>
