INFO: task udevd:13651 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:26176 pid:13651 tgid:13651 ppid:5063   task_flags:0x400040 flags:0x00080802
Call Trace:
 <TASK>
 __schedule+0x17dd/0x5830
 schedule+0x164/0x2b0
 io_schedule+0x7f/0xd0
 folio_wait_bit_common+0x85e/0xc40
 do_read_cache_folio+0x1ac/0x590
 read_part_sector+0xb6/0x2b0
 adfspart_check_POWERTEC+0x9a/0x7a0
 bdev_disk_changed+0x851/0x1680
 blkdev_get_whole+0x372/0x510
 bdev_open+0x324/0xd70
 blkdev_open+0x461/0x600
 do_dentry_open+0x80e/0x1360
 vfs_open_consume+0x4a/0x350
 path_openat+0x16fc/0x20f0
 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: 0033:0x7f90dad169a4
RSP: 002b:00007ffe0f528630 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000556fb9baa010 RCX: 00007f90dad169a4
RDX: 00000000000a0800 RSI: 0000556fb9bb6ec0 RDI: 00000000ffffff9c
RBP: 0000556fb9bb6ec0 R08: 0000000000000001 R09: 3fffffffffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000a0800
R13: 0000556fb9bbd800 R14: 00007ffe0f5286dc R15: 0000556fb9ba9910
 </TASK>

Showing all locks held in the system:
locks held by khungtaskd/35: 1, last CPU#0:
 #0: ffffffff8ff5a320 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
locks held by getty/5447: 2, on CPU#1:
 #0: ffff888111cf20a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
 #1: ffffc9000348b2e8 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x45a/0x1360
locks held by udevd/13651: 1, on CPU#1:
 #0: ffff888109204350 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xde/0xd70
locks held by kworker/1:5/18419: 2, last CPU#1:
 #0: ffff888100069948 ((wq_completion)events_freezable_pwr_efficient){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630
 #1: ffffc900017f7c40 ((work_completion)(&(&ev->dwork)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630
locks held by kworker/u9:21/24148: 3, on CPU#0:
 #0: ffff8881000ac148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630
 #1: ffffc9000ea9fc40 ((linkwatch_work).work){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630
 #2: ffffffff9148c2a0 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0xe/0x60
locks held by syz.0.4439/25117: 2, on CPU#0:
 #0: ffff8881aa797440 (&sb->s_type->i_mutex_key#13){+.+.}-{4:4}, at: __sock_release+0x7a/0x1f0
 #1: ffffffff9148c2a0 (rtnl_mutex){+.+.}-{4:4}, at: mrtsock_destruct+0xeb/0x320
locks held by syz.0.4439/25122: 1, last CPU#1:
 #0: ffffffff8ff5a320 (rcu_read_lock){....}-{1:3}, at: bpf_test_timer_enter+0xf9/0x260
locks held by syz.2.4442/25123: 3, on CPU#0:
 #0: ffff8881aa790240 (&sb->s_type->i_mutex_key#13){+.+.}-{4:4}, at: __sock_release+0x7a/0x1f0
 #1: ffffffff914ee5a8 ((netlink_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain+0x54/0x90
 #2: ffff88810a8650e0 (&nft_net->commit_mutex){+.+.}-{4:4}, at: nft_rcv_nl_event+0x14b/0xe60
locks held by syz.2.4442/25125: 2, on CPU#0:
 #0: ffff88810a8650e0 (&nft_net->commit_mutex){+.+.}-{4:4}, at: nf_tables_valid_genid+0x3e/0x100
 #1: ffffffff8ff609a8 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x2cb/0x760
locks held by syz.1.4445/25138: 1, on CPU#0:
 #0: ffff888026dc1440 (&sb->s_type->i_mutex_key#13){+.+.}-{4:4}, at: __sock_release+0x7a/0x1f0
locks held by syz.1.4445/25139: 2, on CPU#0:
 #0: ffffffff9148c2a0 (rtnl_mutex){+.+.}-{4:4}, at: tcx_link_attach+0xf6/0x860
 #1: ffffffff8ff609a8 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x388/0x760
locks held by syz.1.4445/25140: 1, on CPU#0:
 #0: ffffffff9148c2a0 (rtnl_mutex){+.+.}-{4:4}, at: tcx_prog_detach+0xf4/0x5c0
locks held by syz.1.4445/25141: 1, on CPU#0:
 #0: ffffffff9148c2a0 (rtnl_mutex){+.+.}-{4:4}, at: rtnetlink_rcv_msg+0x767/0xc00
locks held by syz.1.4445/25142: 1, on CPU#0:
 #0: ffff8881bd26cce0 (&nft_net->commit_mutex){+.+.}-{4:4}, at: nf_tables_valid_genid+0x3e/0x100
locks held by syz.1.4445/25143: 1, on CPU#0:
 #0: ffff888020174260 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_setsockopt+0x5a0/0x1510

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

NMI backtrace for cpu 0
CPU: 0 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+0x1073/0x10f0
 kthread+0x38b/0x480
 ret_from_fork+0x514/0xb70
 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: 25122 Comm: syz.0.4439 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:do_raw_spin_unlock+0x0/0x200
Code: f9 80 e1 07 80 c1 03 38 c1 0f 8c 65 ff ff ff e8 b6 2f 9b 00 e9 5b ff ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <0f> 1f 40 d6 55 41 57 41 56 41 55 41 54 53 48 89 fb 49 bc 00 00 00
RSP: 0018:ffffc90000a08f40 EFLAGS: 00000082
RAX: 7d1c820bd6906800 RBX: 0000000000000287 RCX: 8000000000000102
RDX: 8000000000000100 RSI: ffffffff8e92d5a1 RDI: ffff88823c628600
RBP: 8000000000000101 R08: 0000000000000100 R09: 0000000000000001
R10: 0000000000000003 R11: ffffffff8175c510 R12: 0000000000000008
R13: 0000000000000009 R14: ffff88823c628600 R15: 0000000000000001
FS:  00007f4eaf0c56c0(0000) GS:ffff8882a7a1f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f14671ef0a0 CR3: 000000016c420000 CR4: 00000000000006f0
Call Trace:
 <IRQ>
 _raw_spin_unlock_irqrestore+0x23/0x80
 handle_softirqs+0x265/0x8d0
 do_softirq+0x77/0xd0
 </IRQ>
 <TASK>
 __local_bh_enable_ip+0x100/0x140
 bpf_test_run+0x3a8/0x830
 bpf_prog_test_run_skb+0xe56/0x22c0
 bpf_prog_test_run+0x2c5/0x340
 __sys_bpf+0xb1e/0xe00
 __x64_sys_bpf+0xba/0xd0
 do_syscall_64+0x166/0x520
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4eae19f559
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f4eaf0c5028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f4eae426090 RCX: 00007f4eae19f559
RDX: 0000000000000050 RSI: 0000200000000940 RDI: 000000000000000a
RBP: 00007f4eae236b20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f4eae426128 R14: 00007f4eae426090 R15: 00007ffcfbbf1a58
 </TASK>
