INFO: task udevd:28698 blocked in I/O wait 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:26408 pid:28698 tgid:28698 ppid:5041   task_flags:0x400040 flags:0x00080802
Call Trace:
 <TASK>
 __schedule+0x17db/0x58f0
 schedule+0x164/0x2b0
 io_schedule+0x7f/0xd0
 folio_wait_bit_common+0x836/0xbc0
 do_read_cache_folio+0x1ac/0x590
 read_part_sector+0xb6/0x2b0
 adfspart_check_POWERTEC+0x9a/0x7a0
 bdev_disk_changed+0x851/0x17a0
 blkdev_get_whole+0x372/0x510
 bdev_open+0x324/0xd70
 blkdev_open+0x461/0x600
 do_dentry_open+0x816/0x1380
 vfs_open+0x3b/0x340
 path_openat+0x1443/0x1d60
 do_file_open+0x23e/0x4a0
 do_sys_openat2+0x115/0x200
 __x64_sys_openat+0x138/0x170
 do_syscall_64+0x166/0x520
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fed399169a4
RSP: 002b:00007ffce79fe030 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000555c1b478780 RCX: 00007fed399169a4
RDX: 00000000000a0800 RSI: 0000555c1b461ad0 RDI: 00000000ffffff9c
RBP: 0000555c1b461ad0 R08: 0000000000000001 R09: 3fffffffffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000a0800
R13: 0000555c1b46f950 R14: 00007ffce79fe0dc R15: 0000555c1b458910
 </TASK>

Showing all locks held in the system:
locks held by kworker/u8:1/13: 1, last CPU#0:
 #0: ffffffff8ed5c8e0 (rcu_read_lock){....}-{1:3}, at: process_scheduled_works+0x97a/0x1630
locks held by khungtaskd/35: 1, last CPU#1:
 #0: ffffffff8ed5c8e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
locks held by kworker/u10:7/1110: 3, last CPU#0:
 #0: ffff8881000ac140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630
 #1: ffffc90006c07c40 ((work_completion)(&(&nsim_dev->trap_data->trap_report_dw)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630
 #2: ffff88816e38d258 (&devlink->lock_key#8){+.+.}-{4:4}, at: nsim_dev_trap_report_work+0x57/0xb40
locks held by getty/5420: 2, on CPU#1:
 #0: ffff88810ab0d0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
 #1: ffffc900034762e8 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x45a/0x1360
locks held by sshd/5579: 4, last CPU#0:
 #0: ffff88812103bb20 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2d/0x160
 #1: ffff888121024408 (psi_seq){-.-.}-{0:0}, at: psi_task_switch+0x57/0x7d0
 #2: ffff888121024408 (psi_seq){-.-.}-{0:0}, at: psi_task_change+0xc9/0x320
 #3: ffffffff8ed5c8e0 (rcu_read_lock){....}-{1:3}, at: ip_output+0x5a/0x450
locks held by kworker/u8:9/7750: 3, last CPU#1:
 #0: ffff88816d638140 ((wq_completion)krds_cp_wq#6/0){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630
 #1: ffffc90004ba7c40 ((work_completion)(&(&cp->cp_conn_w)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630
 #2: ffff88816bcc8980 (&tc->t_conn_path_lock){+.+.}-{4:4}, at: rds_tcp_conn_path_connect+0x1cc/0x920
locks held by kworker/1:10/12405: 1, last CPU#1:
 #0: ffffffff8ed5c8e0 (rcu_read_lock){....}-{1:3}, at: process_scheduled_works+0x97a/0x1630
locks held by kworker/u9:16/12514: 3, last CPU#0:
 #0: ffff8881000ac140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630
 #1: ffffc900017f7c40 ((work_completion)(&(&nsim_dev->trap_data->trap_report_dw)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630
 #2: ffff8881bce31258 (&devlink->lock_key#2){+.+.}-{4:4}, at: nsim_dev_trap_report_work+0x57/0xb40
locks held by kworker/u9:34/12539: 3, last CPU#1:
 #0: ffff8881000ac140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630
 #1: ffffc900071a7c40 ((work_completion)(&(&nsim_dev->trap_data->trap_report_dw)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630
 #2: ffff88801d462258 (&devlink->lock_key#6){+.+.}-{4:4}, at: nsim_dev_trap_report_work+0x57/0xb40
locks held by syz-executor/17394: 1, last CPU#0:
 #0: ffff88811d26b660 (sk_lock-AF_INET){+.+.}-{0:0}, at: do_ip_setsockopt+0x1556/0x2e30
locks held by udevd/28698: 1, on CPU#1:
 #0: ffff888169f4e350 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xde/0xd70
locks held by syz.7.6902/1203: 1, last CPU#0:
 #0: ffff888114346508 (vm_lock){++++}-{0:0}, at: vm_mmap_pgoff+0x1dd/0x4e0
locks held by syz.4.6901/1205: 2, last CPU#0:
 #0: ffff888111867a40 (&sb->s_type->i_mutex_key#13){+.+.}-{4:4}, at: __sock_release+0x7a/0x1f0
 #1: ffffffff902c2188 ((netlink_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x54/0x90

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

NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 35 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+0x17d/0x390
 sys_info+0x135/0x170
 watchdog+0xfd7/0x1030
 kthread+0x38b/0x480
 ret_from_fork+0x514/0xb70
 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: 1203 Comm: syz.7.6902 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_switch+0x8/0x110
Code: 0a 10 48 89 74 0a 18 48 89 44 0a 20 e9 81 40 21 0a cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 8b 46 08 <48> 8d 48 ff 48 89 c2 48 31 ca 48 39 ca 0f 86 e6 00 00 00 f3 48 0f
RSP: 0018:ffffc900081375b0 EFLAGS: 00000202
RAX: 0000000000000020 RBX: ffffc90008137dc0 RCX: ffff888116e10000
RDX: 0000000000000000 RSI: ffffffff90600260 RDI: 0000000000000008
RBP: 000000000000030b R08: ffff888116e10000 R09: 0000000000000005
R10: 0000000000000004 R11: 0000000000000000 R12: 0000000000000008
R13: 0000000000000002 R14: ffffc90008137660 R15: 0000000000000002
FS:  000055557701e500(0000) GS:ffff88818d6cd000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000080 CR3: 000000011e9ba000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 mas_prealloc_calc+0xda/0x440
 mas_preallocate+0x3c7/0x840
 __split_vma+0x2fb/0xa60
 vma_modify+0x887/0x1f40
 vma_modify_flags+0x2a4/0x3c0
 mprotect_fixup+0x51a/0xad0
 do_mprotect_pkey+0x8e7/0xd10
 __x64_sys_mprotect+0x80/0x90
 do_syscall_64+0x166/0x520
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc2cf79df57
Code: 89 38 eb 84 0f 1f 80 00 00 00 00 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 48 c7 c0 ff ff ff ff e9 7a ff ff ff b8 0a 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffeca55a5b8 EFLAGS: 00000206 ORIG_RAX: 000000000000000a
RAX: ffffffffffffffda RBX: 00007fc2d05c96c0 RCX: 00007fc2cf79df57
RDX: 0000000000000003 RSI: 0000000000020000 RDI: 00007fc2d05aa000
RBP: 0000000000000000 R08: 00000000ffffffff R09: 0000000000000000
R10: 0000000000021000 R11: 0000000000000206 R12: 00007ffeca55a710
R13: ffffffffffffffc0 R14: 0000000000001000 R15: 0000000000000000
 </TASK>
