INFO: task udevd:11981 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:21880 pid:11981 tgid:11981 ppid:5053   task_flags:0x400040 flags:0x00080002
Call Trace:
 <TASK>
 __schedule+0x157d/0x50e0
 schedule+0x164/0x360
 io_schedule+0x7f/0xd0
 folio_wait_bit_common+0x836/0xbc0
 do_read_cache_folio+0x1ac/0x590
 read_part_sector+0xb6/0x2b0
 adfspart_check_POWERTEC+0x92/0xef0
 bdev_disk_changed+0x785/0x14c0
 blkdev_get_whole+0x372/0x510
 bdev_open+0x324/0xd70
 blkdev_open+0x461/0x600
 do_dentry_open+0x7a4/0x1230
 vfs_open+0x3b/0x340
 path_openat+0x3642/0x4050
 do_filp_open+0x23f/0x4a0
 do_sys_openat2+0x12f/0x220
 __x64_sys_openat+0x138/0x170
 do_syscall_64+0xf0/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f62945169a4
RSP: 002b:00007ffd53542ca0 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00005567b981f780 RCX: 00007f62945169a4
RDX: 00000000000a0800 RSI: 00005567b9808ad0 RDI: 00000000ffffff9c
RBP: 00005567b9808ad0 R08: 0000000000000001 R09: 7fffffffffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000a0800
R13: 00005567b9813800 R14: 00007ffd53542d4c R15: 00005567b97ff910
 </TASK>

Showing all locks held in the system:
2 locks held by rcu_tasks_trace/31:
 #0: ffffffff8e357b90 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{4:4}, at: rcu_tasks_one_gp+0xb2a/0xe20
 #1: ffffffff8e35d738 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x3f2/0x7e0
1 lock held by khungtaskd/35:
 #0: ffffffff8e356e40 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
3 locks held by kworker/u10:7/300:
 #0: ffff888100089948 ((wq_completion)events_unbound#2){+.+.}-{0:0}, at: process_scheduled_works+0x9bd/0x1470
 #1: ffffc90003cb7b80 ((work_completion)(&copy->work)){+.+.}-{0:0}, at: process_scheduled_works+0x9bd/0x1470
 #2: ffffffff8e357cd0 (rcu_tasks_trace.barrier_q_mutex){+.+.}-{4:4}, at: rcu_barrier_tasks_generic+0x64/0x480
2 locks held by getty/5432:
 #0: ffff8881125140a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
 #1: ffffc9000356b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x45a/0x13a0
3 locks held by kworker/1:14/11196:
 #0: ffff888100075948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x9bd/0x1470
 #1: ffffc900049b7b80 (xfrm_state_gc_work){+.+.}-{0:0}, at: process_scheduled_works+0x9bd/0x1470
 #2: ffffffff8e35d738 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x3f2/0x7e0
1 lock held by udevd/11981:
 #0: ffff8881094fb358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xde/0xd70
1 lock held by syz.0.5411/24656:
 #0: ffff8881aa074408 (&sb->s_type->i_mutex_key#13){+.+.}-{4:4}, at: sock_close+0x82/0x220
2 locks held by syz.0.5411/24657:
4 locks held by syz.0.5411/24658:
 #0: ffffffff8f7b3810 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40
 #1: ffffffff8f7b3628 (genl_mutex){+.+.}-{4:4}, at: genl_rcv_msg+0x10b/0x7a0
 #2: ffffffff8f745c08 (rtnl_mutex){+.+.}-{4:4}, at: wg_set_device_doit+0x170/0x2120
 #3: ffff88811dd2d4e8 (&wg->device_update_lock){+.+.}-{4:4}, at: wg_set_device_doit+0x18b/0x2120
1 lock held by syz.0.5411/24664:
2 locks held by syz.2.5412/24666:
 #0: ffffffff8f7b3810 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40
 #1: ffffffff8f7b3628 (genl_mutex){+.+.}-{4:4}, at: genl_rcv_msg+0x10b/0x7a0
2 locks held by syz.2.5412/24667:
 #0: ffffffff8f7b3810 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40
 #1: ffffffff8f7b3628 (genl_mutex){+.+.}-{4:4}, at: genl_rcv_msg+0x10b/0x7a0
1 lock held by syz.1.5414/24672:
 #0: ffffffff8f745c08 (rtnl_mutex){+.+.}-{4:4}, at: rtnetlink_rcv_msg+0x767/0xc00

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

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+0x1a9/0x280
 nmi_cpu_backtrace+0x3a9/0x3e0
 nmi_trigger_cpumask_backtrace+0x17a/0x300
 sys_info+0x135/0x170
 watchdog+0xf54/0xfa0
 kthread+0x787/0x910
 ret_from_fork+0x5b0/0xb20
 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: 24657 Comm: syz.0.5411 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:__lock_acquire+0x34d/0x2cd0
Code: 09 cc 41 09 cc 41 09 dc 45 89 64 c7 20 41 89 7c c7 24 4c 89 7c 24 18 4d 8d 2c c7 41 81 e4 ff 1f 00 00 4c 0f a3 25 b3 b3 25 12 <73> 10 49 69 c4 c8 00 00 00 48 8d 80 70 43 66 93 eb 32 83 3d 7a 43
RSP: 0018:ffffc90000007698 EFLAGS: 00000003
RAX: 0000000000000005 RBX: 0000000000024000 RCX: 0000000000000007
RDX: 0000000000024000 RSI: 0000000000004000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff81757295 R09: 0000000000080000
R10: 0000000000000000 R11: ffffffff8e356e40 R12: 0000000000000007
R13: ffff888173ea45d8 R14: ffff888173ea3a80 R15: ffff888173ea45b0
FS:  00007ff0887876c0(0000) GS:ffff88818e448000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000000dc000 CR3: 0000000102f0c000 CR4: 00000000000006f0
Call Trace:
 <IRQ>
 lock_acquire+0x116/0x340
 unwind_next_frame+0xb2/0x2360
 arch_stack_walk+0x11b/0x150
 stack_trace_save+0xa9/0x100
 kasan_save_track+0x3e/0x80
 __kasan_kmalloc+0x93/0xb0
 __kmalloc_node_noprof+0x570/0x810
 alloc_bulk+0x314/0x4e0
 bpf_mem_refill+0x11f/0xbc0
 irq_work_single+0xe0/0x240
 irq_work_run+0x15c/0x2f0
 __sysvec_irq_work+0x98/0x390
 sysvec_irq_work+0x9e/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_irq_work+0x1a/0x20
RIP: 0010:unit_alloc+0x27b/0x310
Code: eb 1f e8 08 f3 d4 ff e9 8c fe ff ff e8 fe f2 d4 ff e8 79 74 82 09 4d 85 e4 74 e0 e8 ef f2 d4 ff fb 48 c7 44 24 20 0e 36 e0 45 <4b> c7 44 3d 00 00 00 00 00 43 c7 44 3d 08 00 00 00 00 65 48 8b 05
RSP: 0018:ffffc900076078c0 EFLAGS: 00000246
RAX: ffffffff81eeeb41 RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc90009f61000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: ffffc90007607988 R08: ffffffff8fc6a777 R09: 1ffffffff1f8d4ee
R10: dffffc0000000000 R11: fffffbfff1f8d4ef R12: 0000000000000200
R13: 1ffff92000ec0f1c R14: ffff888105be1780 R15: dffffc0000000000
 bpf_mem_cache_alloc+0x82/0xb0
 trie_update_elem+0x12c/0x1280
 bpf_map_update_value+0x73a/0x910
 generic_map_update_batch+0x5b3/0x810
 bpf_map_do_batch+0x391/0x630
 __sys_bpf+0x709/0x920
 __x64_sys_bpf+0x7c/0x90
 do_syscall_64+0xf0/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff08799ce59
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:00007ff088787028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007ff087c15fa0 RCX: 00007ff08799ce59
RDX: 0000000000000038 RSI: 00002000000004c0 RDI: 000000000000001a
RBP: 00007ff087a32e6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff087c16038 R14: 00007ff087c15fa0 R15: 00007fff585cb238
 </TASK>
