INFO: task udevd:15660 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:22760 pid:15660 tgid:15660 ppid:5292   task_flags:0x400140 flags:0x00004006
Call Trace:
 <TASK>
 __schedule+0x1798/0x4cc0
 schedule+0x165/0x360
 io_schedule+0x80/0xd0
 folio_wait_bit_common+0x6b0/0xb90
 do_read_cache_folio+0x1aa/0x590
 read_part_sector+0xb6/0x2b0
 adfspart_check_POWERTEC+0x8c/0xf30
 bdev_disk_changed+0x75f/0x14b0
 blkdev_get_whole+0x380/0x510
 bdev_open+0x31e/0xd30
 blkdev_open+0x3a8/0x510
 do_dentry_open+0x953/0x13f0
 vfs_open+0x3b/0x340
 path_openat+0x2ee5/0x3830
 do_filp_open+0x1fa/0x410
 do_sys_openat2+0x121/0x1c0
 __x64_sys_openat+0x138/0x170
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fed77d709a4
RSP: 002b:00007ffdd5047df0 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 000055fb797f9320 RCX: 00007fed77d709a4
RDX: 00000000000a0800 RSI: 000055fb797d3f50 RDI: 00000000ffffff9c
RBP: 000055fb797d3f50 R08: 0000000000000001 R09: 7fffffffffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000a0800
R13: 000055fb797e7800 R14: 0000000000000001 R15: 000055fb797d3910
 </TASK>
INFO: lockdep is turned off.
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+0x3fc/0x770
 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: 31410 Comm: syz.0.6829 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:unix_stream_read_generic+0xa87/0x2480
Code: 8b 74 24 38 0f 85 fa 06 00 00 48 8b 44 24 10 44 8b 20 41 0f b6 04 1f 84 c0 0f 85 13 07 00 00 41 8b 06 01 f0 41 29 c4 41 39 d4 <44> 0f 43 e2 48 8b 8c 24 08 01 00 00 48 89 c8 48 c1 e8 03 80 3c 18
RSP: 0018:ffffc90006bd7680 EFLAGS: 00000202
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000080000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000080000
RBP: ffffc90006bd78d0 R08: ffff88811b06422b R09: 1ffff1102360c845
R10: dffffc0000000000 R11: ffffed102360c846 R12: 0000000000000002
R13: 1ffff11004dec80e R14: ffff888026f64044 R15: 1ffff11004dec808
FS:  00007fee6f3d56c0(0000) GS:ffff8881a3c1a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f098e354440 CR3: 00000001204f6000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 unix_stream_recvmsg+0x15d/0x1b0
 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: 0033:0x7fee7118ebe9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fee6f3d5038 EFLAGS: 00000246 ORIG_RAX: 000000000000002f
RAX: ffffffffffffffda RBX: 00007fee713b6090 RCX: 00007fee7118ebe9
RDX: 0000000000000002 RSI: 0000200000000480 RDI: 0000000000000010
RBP: 00007fee71211e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fee713b6128 R14: 00007fee713b6090 R15: 00007ffd7d069c38
 </TASK>
