INFO: task syz.6.65:8702 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.6.65        state:D stack:25456 pid:8702  ppid:8587   flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0x15ae/0x4660 kernel/sched/core.c:6701
 schedule+0xbd/0x170 kernel/sched/core.c:6775
 xfs_ail_push_all_sync+0x1c2/0x280 fs/xfs/xfs_trans_ail.c:754
 xfs_log_quiesce+0xdc/0x680 fs/xfs/xfs_log.c:1070
 xfs_fs_freeze+0x86/0x160 fs/xfs/xfs_super.c:942
 freeze_super+0x744/0xa20 fs/super.c:2038
 freeze_bdev+0xfd/0x230 block/bdev.c:253
 xfs_fs_goingdown+0xc5/0x150 fs/xfs/xfs_fsops.c:490
 xfs_file_ioctl+0x124f/0x17c0 fs/xfs/xfs_ioctl.c:2128
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:871 [inline]
 __se_sys_ioctl+0xfd/0x170 fs/ioctl.c:857
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fa09759e159
RSP: 002b:00007fa0983eb028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fa097826090 RCX: 00007fa09759e159
RDX: 0000200000000080 RSI: 000000008004587d RDI: 0000000000000006
RBP: 00007fa09763503b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fa097826128 R14: 00007fa097826090 R15: 00007ffe30115d08
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/29:
 #0: ffffffff8d1320e0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:334 [inline]
 #0: ffffffff8d1320e0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:786 [inline]
 #0: ffffffff8d1320e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x290 kernel/locking/lockdep.c:6633
2 locks held by getty/5529:
 #0: ffff88814cd0d0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
 #1: ffffc900032832f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x428/0x1370 drivers/tty/n_tty.c:2217
2 locks held by kworker/0:3/5826:
 #0: ffff888017c72d38 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2632 [inline]
 #0: ffff888017c72d38 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_scheduled_works+0x975/0x1600 kernel/workqueue.c:2734
 #1: ffffc90004827d00 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2632 [inline]
 #1: ffffc90004827d00 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_scheduled_works+0x975/0x1600 kernel/workqueue.c:2734
5 locks held by syz.6.65/8702:
 #0: ffff888148da5fa8 (&bdev->bd_fsfreeze_mutex){+.+.}-{3:3}, at: freeze_bdev+0x31/0x230 block/bdev.c:243
 #1: ffff888061cdc418 (sb_writers#13){++++}-{0:0}, at: sb_wait_write fs/super.c:1868 [inline]
 #1: ffff888061cdc418 (sb_writers#13){++++}-{0:0}, at: freeze_super+0x53a/0xa20 fs/super.c:2015
 #2: ffff888061cdc0e0 (&type->s_umount_key#56){+.+.}-{3:3}, at: __super_lock fs/super.c:56 [inline]
 #2: ffff888061cdc0e0 (&type->s_umount_key#56){+.+.}-{3:3}, at: super_lock+0x13c/0x390 fs/super.c:117
 #3: ffff888061cdc510 (sb_pagefaults#2){+.+.}-{0:0}, at: sb_wait_write fs/super.c:1868 [inline]
 #3: ffff888061cdc510 (sb_pagefaults#2){+.+.}-{0:0}, at: freeze_super+0x645/0xa20 fs/super.c:2021
 #4: ffff888061cdc608 (sb_internal#2){++++}-{0:0}, at: sb_wait_write fs/super.c:1868 [inline]
 #4: ffff888061cdc608 (sb_internal#2){++++}-{0:0}, at: freeze_super+0x6f5/0xa20 fs/super.c:2035
1 lock held by syz-executor/10756:
 #0: ffffffff8d137ab8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:292 [inline]
 #0: ffffffff8d137ab8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x306/0x880 kernel/rcu/tree_exp.h:1004
5 locks held by dhcpcd-run-hook/12713:

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

NMI backtrace for cpu 0
CPU: 0 PID: 29 Comm: khungtaskd Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
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+0xf59/0xfa0 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 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 7071 Comm: kworker/1:7 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Workqueue: wg-crypt-wg0 wg_packet_encrypt_worker
RIP: 0010:kick_pool+0x13f/0x420 kernel/workqueue.c:-1
Code: 09 02 00 00 49 83 c6 50 4c 89 f0 48 c1 e8 03 48 bd 00 00 00 00 00 fc ff df 80 3c 28 00 74 08 4c 89 f7 e8 24 35 88 00 49 8b 06 <48> 89 44 24 08 48 81 c3 f0 03 00 00 48 89 d8 48 c1 e8 03 48 89 44
RSP: 0018:ffffc900050efb70 EFLAGS: 00000046
RAX: ffff88802c221e00 RBX: ffff8880b8f3ba00 RCX: 0000000000000000
RDX: ffff888028b75a00 RSI: 0000000000000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff974e4673 R09: 1ffffffff2e9c8ce
R10: dffffc0000000000 R11: fffffbfff2e9c8cf R12: ffff8880b8f3ba5c
R13: 1ffff110171e774c R14: ffff88802f5a1c50 R15: ffff8880b8f3ba60
FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f11f5827dac CR3: 000000000cf32000 CR4: 00000000003506e0
Call Trace:
 <TASK>
 process_one_work kernel/workqueue.c:2617 [inline]
 process_scheduled_works+0x7d7/0x1600 kernel/workqueue.c:2734
 worker_thread+0xa5e/0xfe0 kernel/workqueue.c:2815
 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>