INFO: task udevd:5844 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:26544 pid:5844  tgid:5844  ppid:5057   task_flags:0x400140 flags:0x00080802
Call Trace:
 <TASK>
 __schedule+0x17d9/0x56c0
 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+0x2e44/0x3830
 do_file_open+0x23e/0x4a0
 do_sys_openat2+0x115/0x200
 __x64_sys_openat+0x138/0x170
 do_syscall_64+0x174/0x580
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd01b9a19a4
RSP: 002b:00007ffddab9afb0 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000565317c5b780 RCX: 00007fd01b9a19a4
RDX: 00000000000a0800 RSI: 0000565317c3c510 RDI: 00000000ffffff9c
RBP: 0000565317c3c510 R08: 0000000000000001 R09: 3fffffffffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000a0800
R13: 0000565317c4caa0 R14: 0000000000000001 R15: 0000565317c3b910
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/35:
 #0: ffffffff8eb59c60 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
2 locks held by getty/5437:
 #0: ffff888169c060a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
 #1: ffffc900034732e8 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x45a/0x1360
1 lock held by udevd/5844:
 #0: ffff88810b080350 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xde/0xd70
2 locks held by syz.1.15451/26028:
3 locks held by syz.4.15456/26051:

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

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+0x17a/0x380
 sys_info+0x135/0x170
 watchdog+0xfd7/0x1030
 kthread+0x388/0x470
 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: 26051 Comm: syz.4.15456 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:mark_lock+0x9a/0x190
Code: 0e 00 75 13 48 8d 3d 55 1c b8 0e 48 c7 c6 8f 4d 35 8e 67 48 0f b9 3a 90 31 c9 4c 89 fe 4c 89 f7 b8 01 00 00 00 85 69 60 74 10 <5b> 41 5c 41 5d 41 5e 41 5f 5d e9 c7 12 31 0a cc 49 89 fe 49 89 f7
RSP: 0018:ffffc90008eef000 EFLAGS: 00000002
RAX: 0000000000000001 RBX: 0000000000000002 RCX: ffffffff941ca920
RDX: 0000000000000002 RSI: ffff8881a58be530 RDI: ffff8881a58bd940
RBP: 0000000000000004 R08: ffffffff89b7e1f8 R09: 0000000000000000
R10: 0000000000000000 R11: ffff88819f3e05a0 R12: 0000000000000003
R13: ffff8881a58be530 R14: ffff8881a58bd940 R15: 0000000000000002
FS:  00007f884e1d56c0(0000) GS:ffff8882a8f50000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f884ffeb580 CR3: 00000001a5694000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 __lock_acquire+0x96f/0x2cf0
 lock_acquire+0x106/0x350
 _raw_spin_lock+0x2e/0x40
 page_pool_put_unrefed_netmem+0x648/0xad0
 napi_pp_put_page+0x133/0x1e0
 skb_release_data+0x8c3/0xab0
 __kfree_skb+0x5d/0x210
 llc_rcv+0x77a/0xcb0
 __netif_receive_skb_list_core+0x784/0x830
 netif_receive_skb_list_internal+0x995/0xcf0
 netif_receive_skb_list+0x67/0x480
 bpf_test_run_xdp_live+0x1875/0x1c20
 bpf_prog_test_run_xdp+0x7d8/0x11d0
 bpf_prog_test_run+0x2c5/0x340
 __sys_bpf+0xa22/0xd90
 __x64_sys_bpf+0xba/0xd0
 do_syscall_64+0x174/0x580
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f884ff9de99
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:00007f884e1d5028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f8850226090 RCX: 00007f884ff9de99
RDX: 0000000000000048 RSI: 0000200000000600 RDI: 000000000000000a
RBP: 00007f8850033eaf R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f8850226128 R14: 00007f8850226090 R15: 00007ffca54af498
 </TASK>
