INFO: task syz-executor:5771 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:21704 pid:5771  ppid:1      flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5381 [inline]
 __schedule+0x1553/0x45a0 kernel/sched/core.c:6700
 schedule+0xbd/0x170 kernel/sched/core.c:6774
 io_schedule+0x80/0xd0 kernel/sched/core.c:9023
 folio_wait_bit_common+0x714/0xfa0 mm/filemap.c:1329
 __filemap_get_folio+0xbc/0xbb0 mm/filemap.c:1910
 truncate_inode_pages_range+0x46b/0xfb0 mm/truncate.c:401
 evict+0x4dd/0x8d0 fs/inode.c:707
 dispose_list fs/inode.c:738 [inline]
 evict_inodes+0x606/0x6a0 fs/inode.c:792
 generic_shutdown_super+0x97/0x2b0 fs/super.c:672
 kill_block_super+0x44/0x90 fs/super.c:1660
 deactivate_locked_super+0x97/0x100 fs/super.c:481
 cleanup_mnt+0x43b/0x4d0 fs/namespace.c:1259
 task_work_run+0x1d4/0x260 kernel/task_work.c:245
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0xe6/0x110 kernel/entry/common.c:177
 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline]
 syscall_exit_to_user_mode+0x1a/0x50 kernel/entry/common.c:302
 do_syscall_64+0x61/0xa0 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f71b3b9d1d7
RSP: 002b:00007ffe457e6628 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007f71b3c31c3b RCX: 00007f71b3b9d1d7
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe457e66e0
RBP: 00007ffe457e66e0 R08: 00007ffe457e76e0 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe457e7770
R13: 00007f71b3c31c3b R14: 00000000000542ec R15: 00007ffe457e77b0
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/29:
 #0: ffffffff8d131fa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:334 [inline]
 #0: ffffffff8d131fa0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:786 [inline]
 #0: ffffffff8d131fa0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x290 kernel/locking/lockdep.c:6633
2 locks held by getty/5532:
 #0: ffff88814c8e20a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
 #1: ffffc9000326e2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x433/0x1390 drivers/tty/n_tty.c:2217
1 lock held by syz-executor/5770:
 #0: ffff888020d620e0 (&type->s_umount_key#63){+.+.}-{3:3}, at: __super_lock fs/super.c:56 [inline]
 #0: ffff888020d620e0 (&type->s_umount_key#63){+.+.}-{3:3}, at: __super_lock_excl fs/super.c:71 [inline]
 #0: ffff888020d620e0 (&type->s_umount_key#63){+.+.}-{3:3}, at: deactivate_super+0xa4/0xe0 fs/super.c:513
1 lock held by syz-executor/5771:
 #0: ffff88807a5460e0 (&type->s_umount_key#63){+.+.}-{3:3}, at: __super_lock fs/super.c:56 [inline]
 #0: ffff88807a5460e0 (&type->s_umount_key#63){+.+.}-{3:3}, at: __super_lock_excl fs/super.c:71 [inline]
 #0: ffff88807a5460e0 (&type->s_umount_key#63){+.+.}-{3:3}, at: deactivate_super+0xa4/0xe0 fs/super.c:513
3 locks held by kworker/u5:7/5785:
 #0: ffff888054fc1538 ((wq_completion)hci5){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2609 [inline]
 #0: ffff888054fc1538 ((wq_completion)hci5){+.+.}-{0:0}, at: process_scheduled_works+0x96f/0x15d0 kernel/workqueue.c:2711
 #1: ffffc9000455fd00 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2609 [inline]
 #1: ffffc9000455fd00 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_scheduled_works+0x96f/0x15d0 kernel/workqueue.c:2711
 #2: ffff88807ab70e70 (&hdev->req_lock){+.+.}-{3:3}, at: hci_cmd_sync_work+0x1d4/0x380 net/bluetooth/hci_sync.c:326

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

NMI backtrace for cpu 1
CPU: 1 PID: 29 Comm: khungtaskd Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0x18c/0x250 lib/dump_stack.c:106
 nmi_cpu_backtrace+0x3a6/0x3e0 lib/nmi_backtrace.c:113
 nmi_trigger_cpumask_backtrace+0x17a/0x2f0 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]
 watchdog+0xf3d/0xf80 kernel/hung_task.c:379
 kthread+0x2fa/0x390 kernel/kthread.c:388
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 5127 Comm: klogd Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:tomoyo_socket_sendmsg_permission+0x0/0x2f0 security/tomoyo/network.c:760
Code: ff 44 89 f9 80 e1 07 fe c1 38 c1 0f 8c 59 ff ff ff 4c 89 ff e8 f1 75 f9 fd e9 4c ff ff ff 66 2e 0f 1f 84 00 00 00 00 00 66 90 <66> 0f 1f 00 55 41 57 41 56 41 55 41 54 53 48 83 ec 50 48 89 f5 49
RSP: 0018:ffffc90003247ca0 EFLAGS: 00000293
RAX: ffffffff83e60556 RBX: 000000000000006a RCX: ffff88807ef3bc00
RDX: 000000000000006a RSI: ffffc90003247dc0 RDI: ffff88802e5f2400
RBP: dffffc0000000000 R08: ffff88802feecf03 R09: 1ffff11005fdd9e0
R10: dffffc0000000000 R11: ffffed1005fdd9e1 R12: ffffffff8ca74570
R13: ffffffff8ca74588 R14: ffffc90003247dc0 R15: ffff88802e5f2400
FS:  00007fe414e39c80(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000563c837aade0 CR3: 000000002fa09000 CR4: 00000000003506f0
Call Trace:
 <TASK>
 security_socket_sendmsg+0x70/0xa0 security/security.c:4273
 __sock_sendmsg net/socket.c:742 [inline]
 __sys_sendto+0x443/0x6b0 net/socket.c:2200
 __do_sys_sendto net/socket.c:2212 [inline]
 __se_sys_sendto net/socket.c:2208 [inline]
 __x64_sys_sendto+0xde/0xf0 net/socket.c:2208
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x55/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fe414f89407
Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff
RSP: 002b:00007ffe11654210 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007fe414e39c80 RCX: 00007fe414f89407
RDX: 000000000000006a RSI: 00007ffe11654350 RDI: 0000000000000003
RBP: 00007ffe11654780 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffe11654798
R13: 00007ffe11654350 R14: 000000000000004f R15: 00007ffe11654350
 </TASK>