INFO: task udevd:5837 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:5837  tgid:5837  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: 0033:0x7f0d9e5699a4
RSP: 002b:00007ffebb7f92e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000556c2fabc780 RCX: 00007f0d9e5699a4
RDX: 00000000000a0800 RSI: 0000556c2faa5ad0 RDI: 00000000ffffff9c
RBP: 0000556c2faa5ad0 R08: 0000000000000001 R09: 7fffffffffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000a0800
R13: 0000556c2faadaa0 R14: 0000000000000001 R15: 0000556c2fa9c910
 </TASK>
INFO: lockdep is turned off.
NMI backtrace for cpu 1
CPU: 1 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 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 12774 Comm: kworker/u9:0 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
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:sched_balance_rq+0x1110/0x57a0
Code: 48 89 5c 24 78 48 8b 1b 48 83 c3 08 48 89 d8 48 c1 e8 03 42 80 3c 28 00 4c 8b 7c 24 50 74 08 48 89 df e8 33 6b 8d 00 48 8b 1b <4d> 8d 67 10 4c 89 e0 48 c1 e8 03 48 89 44 24 08 42 80 3c 28 00 74
RSP: 0018:ffffc90006f970e0 EFLAGS: 00000046
RAX: 1ffff110200d39c1 RBX: 00000000000003fb RCX: 0000000000000002
RDX: 0000000000000001 RSI: ffff88813663a058 RDI: 1ffff11026cc740b
RBP: ffffc90006f97590 R08: ffffc90006f97337 R09: 0000000000000000
R10: ffffc90006f972e0 R11: fffff52000df2e67 R12: 0000000000000002
R13: dffffc0000000000 R14: ffff88810069cd80 R15: ffffc90006f972e0
FS:  0000000000000000(0000) GS:ffff8880b861a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000556c2fb15348 CR3: 000000000df36000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 sched_balance_newidle+0x6b6/0x1030
 pick_next_task_fair+0x40/0xba0
 __pick_next_task+0xe4/0x450
 __schedule+0x7a4/0x4cc0
 schedule+0x165/0x360
 toggle_allocation_gate+0x159/0x240
 process_scheduled_works+0xae1/0x17b0
 worker_thread+0x8a0/0xda0
 kthread+0x711/0x8a0
 ret_from_fork+0x3fc/0x770
 ret_from_fork_asm+0x1a/0x30
 </TASK>
