INFO: task udevd:13101 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:21192 pid:13101 tgid:13101 ppid:5293   task_flags:0x400140 flags:0x00004006
Call Trace:
 <TASK>
 __schedule+0x1798/0x4cc0
 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+0x953/0x13f0
 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: 0033:0x7f78319169a4
RSP: 002b:00007ffe76eb6020 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00005582a3da8b10 RCX: 00007f78319169a4
RDX: 00000000000a0800 RSI: 00005582a3da89f0 RDI: 00000000ffffff9c
RBP: 00005582a3da89f0 R08: 0000000000000001 R09: 7fffffffffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000a0800
R13: 00005582a3d98aa0 R14: 0000000000000001 R15: 00005582a3d87910
 </TASK>
INFO: lockdep is turned off.
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 34 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+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 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 5870 Comm: kworker/u8:4 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
Workqueue: krdsd rds_connect_worker
RIP: 0010:___cache_free+0x5f/0xf0
Code: 49 01 c4 66 90 41 0f b6 44 24 33 c1 e0 18 45 31 c0 3d 00 00 00 f5 4d 0f 44 c4 65 48 8b 05 41 0d 88 10 49 8b 0f 48 8b 54 08 08 <4c> 3b 44 08 10 75 27 48 8b 04 01 41 8b 4f 28 48 89 04 19 48 8d 4a
RSP: 0018:ffffc90003a6f6a8 EFLAGS: 00000246
RAX: ffff8880b861b000 RBX: ffff888126925500 RCX: ffffffff92a23370
RDX: 000000000007a7c8 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff88810686f280 R08: ffffea00049a4940 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff1f47087 R12: ffffea00049a4940
R13: 0000000000000000 R14: ffffffff822326ec R15: ffff88801a441280
FS:  0000000000000000(0000) GS:ffff8880b861b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffddb54bdd8 CR3: 0000000109240000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 qlist_free_all+0x97/0x140
 kasan_quarantine_reduce+0x148/0x160
 __kasan_slab_alloc+0x22/0x80
 kmem_cache_alloc_noprof+0x1c1/0x3c0
 security_inode_alloc+0x39/0x330
 inode_init_always_gfp+0x9ed/0xdc0
 alloc_inode+0x82/0x1b0
 __sock_create+0x12d/0x9f0
 rds_tcp_conn_path_connect+0x282/0x680
 rds_connect_worker+0x1d8/0x290
 process_scheduled_works+0xae1/0x17b0
 worker_thread+0x8a0/0xda0
 kthread+0x711/0x8a0
 ret_from_fork+0x3fc/0x770
 ret_from_fork_asm+0x1a/0x30
 </TASK>
