INFO: task udevd:10415 blocked for more than 143 seconds.
      Not tainted 6.16.0-syzkaller-06620-gae633388cae3-dirty #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:udevd           state:D stack:22576 pid:10415 tgid:10415 ppid:5270   task_flags:0x400140 flags:0x00004006
Call Trace:
 <TASK>
 __schedule+0x1737/0x4d30
 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+0xdf3/0x1970
 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: 0033:0x7ffb371169a4
RSP: 002b:00007ffccdca3b70 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000561a9c2408d0 RCX: 00007ffb371169a4
RDX: 00000000000a0800 RSI: 0000561a9c251af0 RDI: 00000000ffffff9c
RBP: 0000561a9c251af0 R08: 0000000000000001 R09: 7fffffffffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000a0800
R13: 0000561a9c241d50 R14: 0000000000000001 R15: 0000561a9c236910
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/34:
 #0: ffffffff8e13c4e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
3 locks held by kworker/u9:9/1096:
 #0: ffff88801a489148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x9b4/0x17b0
 #1: ffffc90006ff7bc0 ((linkwatch_work).work){+.+.}-{0:0}, at: process_scheduled_works+0x9ef/0x17b0
 #2: ffffffff8f509008 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0xe/0x60
2 locks held by getty/5645:
 #0: ffff8880206c50a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
 #1: ffffc900029062f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x43e/0x1400
1 lock held by udevd/10415:
 #0: ffff88802194f358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xe0/0xd30
2 locks held by syz.1.12041/974:
 #0: ffffffff8f509008 (rtnl_mutex){+.+.}-{4:4}, at: rtnetlink_rcv_msg+0x71c/0xb70
 #1: ffffffff8e141f38 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x2f6/0x730
1 lock held by syz.1.12041/977:
 #0: ffffffff8f509008 (rtnl_mutex){+.+.}-{4:4}, at: dev_ioctl+0x7a4/0x1150

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

NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 34 Comm: khungtaskd Not tainted 6.16.0-syzkaller-06620-gae633388cae3-dirty #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: 977 Comm: syz.1.12041 Not tainted 6.16.0-syzkaller-06620-gae633388cae3-dirty #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:__bitmap_andnot+0x17c/0x360
Code: e8 c9 e4 60 fd 4d 8b 6c 2f 08 48 8b 44 24 08 48 8d 3c 28 48 83 c7 08 48 89 f8 48 c1 e8 03 42 80 3c 30 00 74 05 e8 94 e5 60 fd <48> 8b 04 24 48 09 d8 49 f7 d5 4d 21 ec 48 8b 4c 24 08 4c 89 64 29
RSP: 0018:ffffc900001e0b08 EFLAGS: 00000046
RAX: 1ffffffff26b83d7 RBX: 0000000000000000 RCX: ffff88803574b980
RDX: 0000000000000100 RSI: 0000000000004000 RDI: ffffffff935c1eb8
RBP: 0000000000005b80 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff93455090 R11: ffffffff819d9600 R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff939dc388
FS:  00007f763ca636c0(0000) GS:ffff8881a3c80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f763ca62fc8 CR3: 0000000028582000 CR4: 00000000000006f0
Call Trace:
 <IRQ>
 __free_zapped_classes+0xd6/0xf0
 free_zapped_rcu+0x65/0x1d0
 rcu_core+0xca8/0x1710
 handle_softirqs+0x286/0x870
 __irq_exit_rcu+0xca/0x1f0
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:vprintk_emit+0x58f/0x7a0
Code: 85 32 01 00 00 e8 01 78 1f 00 41 89 df 4d 85 f6 48 8b 1c 24 75 07 e8 f0 77 1f 00 eb 06 e8 e9 77 1f 00 fb 48 c7 c7 80 07 13 8e <31> f6 ba 01 00 00 00 31 c9 41 b8 01 00 00 00 45 31 c9 53 e8 f9 36
RSP: 0018:ffffc90007a876c0 EFLAGS: 00000283
RAX: ffffffff81a038c7 RBX: ffffffff81a03784 RCX: 0000000000080000
RDX: ffffc90008e5d000 RSI: 00000000000155e9 RDI: ffffffff8e130780
RBP: ffffc90007a877d0 R08: ffffffff8fa07bf7 R09: 1ffffffff1f40f7e
R10: dffffc0000000000 R11: fffffbfff1f40f7f R12: dffffc0000000000
R13: 1ffff92000f50edc R14: 0000000000000200 R15: 0000000000000027
 _printk+0xcf/0x120
 tipc_reset_bearer+0x1e/0x70
 tipc_l2_device_event+0x471/0x650
 notifier_call_chain+0x1b6/0x3e0
 netif_set_mtu_ext+0x594/0x7d0
 netif_set_mtu+0xa4/0x150
 dev_set_mtu+0x126/0x260
 dev_ioctl+0x7b4/0x1150
 sock_do_ioctl+0x22c/0x300
 sock_ioctl+0x576/0x790
 __se_sys_ioctl+0xfc/0x170
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f763bb8ebe9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f763ca63038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f763bdb6090 RCX: 00007f763bb8ebe9
RDX: 0000200000002280 RSI: 0000000000008922 RDI: 0000000000000005
RBP: 00007f763bc11e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f763bdb6128 R14: 00007f763bdb6090 R15: 00007fff004e0478
 </TASK>
