INFO: task udevd:8178 blocked for more than 430 seconds.
      Not tainted 5.15.0-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:udevd           state:D stack:    0 pid: 8178 ppid:  2029 flags:0x00000001
Backtrace: 
[<816f4018>] (__schedule) from [<816f49dc>] (schedule+0x4c/0xcc kernel/sched/core.c:6323)
 r10:83978f2c r9:5ac3c35a r8:83dfb0d0 r7:838ec654 r6:83978e00 r5:829bd558
 r4:840aa280
[<816f4990>] (schedule) from [<8070cae0>] (blk_mq_freeze_queue_wait+0x6c/0xa4 block/blk-mq.c:178)
 r5:829bd558 r4:829bd9c0
[<8070ca74>] (blk_mq_freeze_queue_wait) from [<8070f7c0>] (blk_freeze_queue block/blk-mq.c:205 [inline])
[<8070ca74>] (blk_mq_freeze_queue_wait) from [<8070f7c0>] (blk_mq_freeze_queue+0x1c/0x20 block/blk-mq.c:214)
 r5:83978e00 r4:829bd550
[<8070f7a4>] (blk_mq_freeze_queue) from [<809ee890>] (__loop_clr_fd+0x70/0x430 drivers/block/loop.c:1122)
 r5:83978e00 r4:83978e00
[<809ee820>] (__loop_clr_fd) from [<809eecf4>] (lo_release+0xa4/0xa8 drivers/block/loop.c:1761)
 r10:8220c44c r9:5ac3c35a r8:83dfb0d0 r7:838ec654 r6:00000001 r5:83978f2c
 r4:83978e00
[<809eec50>] (lo_release) from [<806f8d1c>] (blkdev_put_whole block/bdev.c:694 [inline])
[<809eec50>] (lo_release) from [<806f8d1c>] (blkdev_put+0xd4/0x278 block/bdev.c:956)
 r7:838ec654 r6:838ec600 r5:480a005d r4:82c84440
[<806f8c48>] (blkdev_put) from [<806f9c14>] (blkdev_close+0x18/0x20 block/fops.c:515)
 r9:5ac3c35a r8:83dfb0d0 r7:83093088 r6:839e6220 r5:480a005d r4:8535ee40
[<806f9bfc>] (blkdev_close) from [<80479074>] (__fput+0x84/0x258 fs/file_table.c:280)
[<80478ff0>] (__fput) from [<804792c4>] (____fput+0x10/0x14 fs/file_table.c:313)
 r9:5ac3c35a r8:0000082c r7:8243d600 r6:840aa280 r5:840aaa7c r4:00000000
[<804792b4>] (____fput) from [<802660ec>] (task_work_run+0x9c/0xcc kernel/task_work.c:164)
[<80266050>] (task_work_run) from [<8020bc44>] (tracehook_notify_resume include/linux/tracehook.h:189 [inline])
[<80266050>] (task_work_run) from [<8020bc44>] (do_work_pending+0x428/0x51c arch/arm/kernel/signal.c:630)
 r9:5ac3c35a r8:80200244 r7:fffffe30 r6:80200244 r5:84771fb0 r4:840aa280
[<8020b81c>] (do_work_pending) from [<80200088>] (slow_work_pending+0xc/0x20)
Exception stack(0x84771fb0 to 0x84771ff8)
1fa0:                                     00000000 7eb4dc48 00000003 00000000
1fc0: 76fb087c 76fb0840 00000002 00000006 000563e8 02045190 00000008 000563f8
1fe0: 000561f4 7eb4e448 0002d6d0 76c7b380 60070010 00000008
 r10:00000006 r9:840aa280 r8:80200244 r7:00000006 r6:00000002 r5:76fb0840
 r4:76fb087c
INFO: task syz-executor.0:8221 blocked for more than 430 seconds.
      Not tainted 5.15.0-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0  state:D stack:    0 pid: 8221 ppid:  2232 flags:0x00000001
Backtrace: 
[<816f4018>] (__schedule) from [<816f49dc>] (schedule+0x4c/0xcc kernel/sched/core.c:6323)
 r10:838ec654 r9:4800001f r8:838ec658 r7:84773cbc r6:00000002 r5:840a9700
 r4:840a9700
[<816f4990>] (schedule) from [<816f4df4>] (schedule_preempt_disabled+0x10/0x14 kernel/sched/core.c:6382)
 r5:840a9700 r4:838ec654
[<816f4de4>] (schedule_preempt_disabled) from [<816f5ab8>] (__mutex_lock_common kernel/locking/mutex.c:680 [inline])
[<816f4de4>] (schedule_preempt_disabled) from [<816f5ab8>] (__mutex_lock.constprop.0+0x178/0x524 kernel/locking/mutex.c:740)
[<816f5940>] (__mutex_lock.constprop.0) from [<816f5f38>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1028)
 r9:4800001f r8:00000000 r7:838ec600 r6:837f4240 r5:4800001f r4:82c84440
[<816f5f24>] (__mutex_lock_slowpath) from [<816f5f78>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:283)
[<816f5f3c>] (mutex_lock) from [<806f92b0>] (blkdev_get_by_dev.part.0+0x44/0x2f0 block/bdev.c:819)
[<806f926c>] (blkdev_get_by_dev.part.0) from [<806f95a4>] (blkdev_get_by_dev+0x48/0x4c block/bdev.c:803)
 r10:84773e50 r9:837f4248 r8:806f9c1c r7:837f4240 r6:837f4240 r5:4800001f
 r4:00700000
[<806f955c>] (blkdev_get_by_dev) from [<806f9c74>] (blkdev_open+0x58/0x88 block/fops.c:501)
 r7:837f4240 r6:00000000 r5:839e6220 r4:837f4240
[<806f9c1c>] (blkdev_open) from [<80472ab8>] (do_dentry_open+0x148/0x3f8 fs/open.c:822)
 r5:839e6220 r4:837f4240
[<80472970>] (do_dentry_open) from [<804746d4>] (vfs_open+0x34/0x38 fs/open.c:957)
 r9:84773f20 r8:00000000 r7:837f4240 r6:82225d20 r5:00000000 r4:00000002
[<804746a0>] (vfs_open) from [<80488754>] (do_open fs/namei.c:3426 [inline])
[<804746a0>] (vfs_open) from [<80488754>] (path_openat+0x544/0x1034 fs/namei.c:3559)
[<80488210>] (path_openat) from [<8048aad0>] (do_filp_open+0x84/0x124 fs/namei.c:3586)
 r10:00000142 r9:840a9700 r8:84773e50 r7:00000001 r6:840a9700 r5:84773f20
 r4:84773f58
[<8048aa4c>] (do_filp_open) from [<804749c4>] (do_sys_openat2+0xa8/0x16c fs/open.c:1212)
 r8:80200244 r7:ffffff9c r6:00000004 r5:84463000 r4:84773f58
[<8047491c>] (do_sys_openat2) from [<80474e60>] (do_sys_open fs/open.c:1228 [inline])
[<8047491c>] (do_sys_openat2) from [<80474e60>] (__do_sys_openat fs/open.c:1244 [inline])
[<8047491c>] (do_sys_openat2) from [<80474e60>] (sys_openat+0xa4/0xcc fs/open.c:1239)
 r7:00000142 r6:76f54ee0 r5:76f54ee0 r4:ffffff9c
[<80474dbc>] (sys_openat) from [<80200060>] (ret_fast_syscall+0x0/0x1c arch/arm/mm/proc-v7.S:64)
Exception stack(0x84773fa8 to 0x84773ff0)
3fa0:                   20000224 76f55b90 ffffff9c 76f54ee0 00000002 00000000
3fc0: 20000224 76f55b90 76f54ee0 00000142 00000003 00000000 00085104 00000000
3fe0: 00000000 76f54e50 00028e6c 00029680
 r5:76f55b90 r4:20000224
NMI backtrace for cpu 1
CPU: 1 PID: 25 Comm: khungtaskd Not tainted 5.15.0-syzkaller #0
Hardware name: ARM-Versatile Express
Backtrace: 
[<816d743c>] (dump_backtrace) from [<816d7628>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:237)
 r7:8020f468 r6:00000000 r5:60000093 r4:81d5fa2c
[<816d7610>] (show_stack) from [<816e019c>] (__dump_stack lib/dump_stack.c:88 [inline])
[<816d7610>] (show_stack) from [<816e019c>] (dump_stack_lvl+0x48/0x54 lib/dump_stack.c:106)
[<816e0154>] (dump_stack_lvl) from [<816e01c0>] (dump_stack+0x18/0x1c lib/dump_stack.c:113)
 r5:00000001 r4:00000013
[<816e01a8>] (dump_stack) from [<8082de4c>] (nmi_cpu_backtrace+0x114/0x180 lib/nmi_backtrace.c:105)
[<8082dd38>] (nmi_cpu_backtrace) from [<8082dfc0>] (nmi_trigger_cpumask_backtrace+0x108/0x1a8 lib/nmi_backtrace.c:62)
 r7:8020f468 r6:8220c494 r5:8220cc70 r4:00000000
[<8082deb8>] (nmi_trigger_cpumask_backtrace) from [<80210754>] (arch_trigger_cpumask_backtrace+0x18/0x1c arch/arm/kernel/smp.c:865)
 r9:00040001 r8:82204d00 r7:8220c5d4 r6:8221af58 r5:00007f67 r4:84037568
[<8021073c>] (arch_trigger_cpumask_backtrace) from [<803249b0>] (trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline])
[<8021073c>] (arch_trigger_cpumask_backtrace) from [<803249b0>] (check_hung_uninterruptible_tasks kernel/hung_task.c:210 [inline])
[<8021073c>] (arch_trigger_cpumask_backtrace) from [<803249b0>] (watchdog+0x464/0x554 kernel/hung_task.c:295)
[<8032454c>] (watchdog) from [<8026972c>] (kthread+0x150/0x16c kernel/kthread.c:327)
 r10:8294de4c r9:00000000 r8:00000000 r7:8032454c r6:828cf180 r5:828f2280
 r4:82a891c0
[<802695dc>] (kthread) from [<80200100>] (ret_from_fork+0x14/0x34 arch/arm/kernel/entry-common.S:146)
Exception stack(0x82a23fb0 to 0x82a23ff8)
3fa0:                                     00000000 00000000 00000000 00000000
3fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
3fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802695dc
 r4:82a891c0
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 2018 Comm: klogd Not tainted 5.15.0-syzkaller #0
Hardware name: ARM-Versatile Express
PC is at tomoyo_socket_sendmsg_permission+0x0/0xf8 security/tomoyo/network.c:760
LR is at tomoyo_socket_sendmsg+0x10/0x14 security/tomoyo/tomoyo.c:478
pc : [<80698c48>]    lr : [<806996e8>]    psr: a00e0013
sp : 8421de50  ip : 8421de60  fp : 8421de5c
r10: 00000121  r9 : 829cf300  r8 : 80200244
r7 : 8421deb0  r6 : 8305d680  r5 : 00000078  r4 : 81f1de8c
r3 : 806996d8  r2 : 00000078  r1 : 8421deb0  r0 : 8305d680
Flags: NzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment user
Control: 30c5387d  Table: 8437bd00  DAC: fffffffd
CPU: 0 PID: 2018 Comm: klogd Not tainted 5.15.0-syzkaller #0
Hardware name: ARM-Versatile Express
Backtrace: 
[<816d743c>] (dump_backtrace) from [<816d7628>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:237)
 r7:00000000 r6:8421de00 r5:600e0193 r4:81d5fa2c
[<816d7610>] (show_stack) from [<816e019c>] (__dump_stack lib/dump_stack.c:88 [inline])
[<816d7610>] (show_stack) from [<816e019c>] (dump_stack_lvl+0x48/0x54 lib/dump_stack.c:106)
[<816e0154>] (dump_stack_lvl) from [<816e01c0>] (dump_stack+0x18/0x1c lib/dump_stack.c:113)
 r5:00000000 r4:000e0193
[<816e01a8>] (dump_stack) from [<80208d60>] (show_regs+0x14/0x18 arch/arm/kernel/process.c:199)
[<80208d4c>] (show_regs) from [<8082de34>] (nmi_cpu_backtrace+0xfc/0x180 lib/nmi_backtrace.c:103)
[<8082dd38>] (nmi_cpu_backtrace) from [<8020f8f8>] (do_handle_IPI+0x40/0x34c arch/arm/kernel/smp.c:680)
 r7:00000000 r6:829cf300 r5:8280cb80 r4:00000007
[<8020f8b8>] (do_handle_IPI) from [<8020fc24>] (ipi_handler+0x20/0x28 arch/arm/kernel/smp.c:708)
 r9:829cf300 r8:80200244 r7:00000017 r6:8220cc8c r5:8280cb80 r4:82885d00
[<8020fc04>] (ipi_handler) from [<802b6d28>] (handle_percpu_devid_irq+0x84/0x25c kernel/irq/chip.c:933)
[<802b6ca4>] (handle_percpu_devid_irq) from [<802b0524>] (generic_handle_irq_desc include/linux/irqdesc.h:158 [inline])
[<802b6ca4>] (handle_percpu_devid_irq) from [<802b0524>] (handle_irq_desc kernel/irq/irqdesc.c:646 [inline])
[<802b6ca4>] (handle_percpu_devid_irq) from [<802b0524>] (generic_handle_domain_irq+0x48/0x8c kernel/irq/irqdesc.c:680)
 r10:00000121 r9:829cf300 r8:80200244 r7:df80200c r6:829cf300 r5:00000007
 r4:82888000 r3:802b6ca4
[<802b04dc>] (generic_handle_domain_irq) from [<80840b34>] (gic_handle_irq+0x68/0x7c drivers/irqchip/irq-gic.c:372)
 r7:df80200c r6:820b2e44 r5:df802000 r4:8220cc8c
[<80840acc>] (gic_handle_irq) from [<816f2138>] (generic_handle_arch_irq+0x3c/0x4c kernel/irq/handle.c:243)
 r7:8421de34 r6:00000000 r5:8421de00 r4:820b2e38
[<816f20fc>] (generic_handle_arch_irq) from [<80200abc>] (__irq_svc+0x3c/0x4c arch/arm/kernel/entry-armv.S:202)
Exception stack(0x8421de00 to 0x8421de48)
de00: 8305d680 8421deb0 00000078 806996d8 81f1de8c 00000078 8305d680 8421deb0
de20: 80200244 829cf300 00000121 8421de5c 8421de60 8421de50 806996e8 80698c48
de40: a00e0013 ffffffff
 r7:8421de34 r6:ffffffff r5:a00e0013 r4:80698c48
[<806996d8>] (tomoyo_socket_sendmsg) from [<80662d5c>] (security_socket_sendmsg+0x40/0x5c security/security.c:2207)
[<80662d1c>] (security_socket_sendmsg) from [<81288528>] (sock_sendmsg+0x1c/0x4c net/socket.c:721)
 r7:00004000 r6:00000000 r5:8305d680 r4:8421deb0
[<8128850c>] (sock_sendmsg) from [<8128a5d8>] (__sys_sendto+0xcc/0x118 net/socket.c:2036)
 r5:8305d680 r4:00000000
[<8128a50c>] (__sys_sendto) from [<8128a668>] (__do_sys_send net/socket.c:2058 [inline])
[<8128a50c>] (__sys_sendto) from [<8128a668>] (sys_send+0x20/0x28 net/socket.c:2055)
 r7:00000121 r6:00000001 r5:76f3a080 r4:01128190
[<8128a648>] (sys_send) from [<80200060>] (ret_fast_syscall+0x0/0x1c arch/arm/mm/proc-v7.S:64)
Exception stack(0x8421dfa8 to 0x8421dff0)
dfa0:                   01128190 76f3a080 00000003 0112d678 00000078 00004000
dfc0: 01128190 76f3a080 00000001 00000121 7eb14cc0 00000000 76f3a080 00000000
dfe0: 00000000 7eb14bf8 76e6bb88 76e70e78