INFO: task syz-executor:26064 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:21968 pid:26064 ppid:     1 flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5049 [inline]
 __schedule+0x11ef/0x43c0 kernel/sched/core.c:6395
 schedule+0x11b/0x1e0 kernel/sched/core.c:6478
 io_schedule+0x7c/0xd0 kernel/sched/core.c:8503
 wait_on_page_bit_common+0x83b/0xe50 mm/filemap.c:1356
 lock_page include/linux/pagemap.h:625 [inline]
 truncate_inode_pages_range+0xa24/0xfe0 mm/truncate.c:394
 evict+0x4dc/0x8d0 fs/inode.c:649
 dispose_list fs/inode.c:680 [inline]
 evict_inodes+0x60c/0x6a0 fs/inode.c:734
 generic_shutdown_super+0x93/0x300 fs/super.c:454
 kill_block_super+0x7c/0xe0 fs/super.c:1427
 deactivate_locked_super+0x93/0xf0 fs/super.c:335
 cleanup_mnt+0x42d/0x4e0 fs/namespace.c:1148
 task_work_run+0x125/0x1a0 kernel/task_work.c:188
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0x10f/0x130 kernel/entry/common.c:181
 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:307
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f4b92cc91d7
RSP: 002b:00007ffd584fb288 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007f4b92d5dc3b RCX: 00007f4b92cc91d7
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd584fb340
RBP: 00007ffd584fb340 R08: 00007ffd584fc340 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd584fc3d0
R13: 00007f4b92d5dc3b R14: 00000000001fffe7 R15: 00007ffd584fc410
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/27:
 #0: ffffffff8c31eaa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
1 lock held by klogd/3550:
 #0: ffff8880b913a358 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x26/0x140 kernel/sched/core.c:475
2 locks held by getty/3951:
 #0: ffff88802c8ed098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:252
 #1: ffffc900025e62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x5df/0x1a70 drivers/tty/n_tty.c:2158
2 locks held by kworker/u4:2/11380:
 #0: ffff8880b913a358 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x26/0x140 kernel/sched/core.c:475
 #1: ffff8880b9127888 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x499/0x7d0 kernel/sched/psi.c:882
1 lock held by syz-executor/26064:
 #0: ffff88802b4440e0 (&type->s_umount_key#130){+.+.}-{3:3}, at: deactivate_super+0xa0/0xd0 fs/super.c:365

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

NMI backtrace for cpu 0
CPU: 0 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106
 nmi_cpu_backtrace+0x3a2/0x3d0 lib/nmi_backtrace.c:111
 nmi_trigger_cpumask_backtrace+0x163/0x280 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:212 [inline]
 watchdog+0xe0f/0xe50 kernel/hung_task.c:369
 kthread+0x436/0x520 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 17670 Comm: kworker/u4:8 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
Workqueue: events_unbound cfg80211_wiphy_work
RIP: 0010:psi_flags_change kernel/sched/psi.c:787 [inline]
RIP: 0010:psi_task_change+0x78/0x370 kernel/sched/psi.c:811
Code: e8 03 0f b6 04 10 84 c0 0f 85 41 02 00 00 8b 33 85 f6 0f 84 8c 01 00 00 4c 8d ad f8 12 00 00 4c 89 eb 48 c1 eb 03 0f b6 04 13 <84> c0 0f 85 44 02 00 00 45 8b 45 00 48 8b 44 24 08 44 8b 34 24 44
RSP: 0018:ffffc90004307af8 EFLAGS: 00000806
RAX: 0000000000000000 RBX: 1ffff11004481d87 RCX: dffffc0000000000
RDX: dffffc0000000000 RSI: 00000000000046d7 RDI: ffff88802240d940
RBP: ffff88802240d940 R08: ffffffff8f0e7048 R09: ffffffff8f0e7058
R10: ffffffff8f0e7050 R11: ffffffff8f0e7043 R12: ffff88802240d988
R13: ffff88802240ec38 R14: ffff8880b913a340 R15: 1ffff11004481b31
FS:  0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005629f3d70660 CR3: 000000002ad29000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 psi_enqueue kernel/sched/stats.h:102 [inline]
 enqueue_task+0x26d/0x2b0 kernel/sched/core.c:1992
 activate_task kernel/sched/core.c:2024 [inline]
 ttwu_do_activate+0x1b7/0x370 kernel/sched/core.c:3633
 ttwu_queue kernel/sched/core.c:3842 [inline]
 try_to_wake_up+0x618/0x1050 kernel/sched/core.c:4165
 wake_up_worker kernel/workqueue.c:859 [inline]
 process_one_work+0x69b/0x1010 kernel/workqueue.c:2273
 worker_thread+0xaa6/0x1290 kernel/workqueue.c:2457
 kthread+0x436/0x520 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>