INFO: task udevd:5850 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:5850  tgid:5850  ppid:1      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: 0033:0x7efce23169a4
RSP: 002b:00007ffe852d6030 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 000055b2027499b0 RCX: 00007efce23169a4
RDX: 00000000000a0800 RSI: 000055b202740510 RDI: 00000000ffffff9c
RBP: 000055b202740510 R08: 0000000000000001 R09: 7fffffffffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000a0800
R13: 000055b202753800 R14: 0000000000000001 R15: 000055b20273f910
 </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: 5834 Comm: syz-executor 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:switch_mm_irqs_off+0x5cc/0x7a0
Code: 31 ff e8 17 70 f5 ff 48 8b 7c 24 30 4c 89 ee e8 da 78 f1 ff 48 c7 44 24 40 0e 36 e0 45 48 8b 44 24 38 48 c7 04 18 00 00 00 00 <65> 48 8b 05 fc b9 2b 11 48 3b 84 24 80 00 00 00 0f 85 96 00 00 00
RSP: 0018:ffffc900029978c0 EFLAGS: 00000046
RAX: 1ffff92000532f20 RBX: dffffc0000000000 RCX: ffff888107a9b980
RDX: 0000000040000000 RSI: 0000000000000002 RDI: 0000000000000000
RBP: ffffc90002997990 R08: ffff88801b35f433 R09: 1ffff1100366be86
R10: dffffc0000000000 R11: ffffed100366be87 R12: ffff88801b35ec38
R13: ffff88801b35eb80 R14: ffff88801b35f430 R15: 0000000000010000
FS:  00005555945b2500(0000) GS:ffff8881a3c1b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000c04030 CR3: 0000000117bc8000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 __schedule+0x110e/0x4cc0
 schedule+0x165/0x360
 do_nanosleep+0x1c7/0x600
 hrtimer_nanosleep+0x169/0x360
 __se_sys_clock_nanosleep+0x2f1/0x380
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f615c1c1463
Code: Unable to access opcode bytes at 0x7f615c1c1439.
RSP: 002b:00007ffe97b325f8 EFLAGS: 00000202 ORIG_RAX: 00000000000000e6
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f615c1c1463
RDX: 00007ffe97b32610 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000033a851cb R09: 7fffffffffffffff
R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe97b32a60
R13: 0000000000000004 R14: 00007ffe97b3264c R15: 00007ffe97b326e0
 </TASK>
