INFO: task syz-executor:4174 blocked for more than 143 seconds.
      Not tainted 5.15.173-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:20792 pid: 4174 ppid:     1 flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5027 [inline]
 __schedule+0x12c4/0x45b0 kernel/sched/core.c:6373
 schedule+0x11b/0x1f0 kernel/sched/core.c:6456
 schedule_timeout+0x1b9/0x300 kernel/time/timer.c:1914
 gfs2_gl_hash_clear+0x1a1/0x310 fs/gfs2/glock.c:2183
 gfs2_put_super+0x752/0x7c0 fs/gfs2/super.c:624
 generic_shutdown_super+0x130/0x310 fs/super.c:475
 kill_block_super+0x7a/0xe0 fs/super.c:1427
 deactivate_locked_super+0xa0/0x110 fs/super.c:335
 cleanup_mnt+0x44e/0x500 fs/namespace.c:1143
 task_work_run+0x129/0x1a0 kernel/task_work.c:188
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0x106/0x130 kernel/entry/common.c:181
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x5d/0x240 kernel/entry/common.c:307
 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f5ac2a63247
RSP: 002b:00007ffd3aea89d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007f5ac2ad5824 RCX: 00007f5ac2a63247
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd3aea8a90
RBP: 00007ffd3aea8a90 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffd3aea9b10
R13: 00007f5ac2ad5824 R14: 0000000000077745 R15: 00007ffd3aea9b50
 </TASK>

Showing all locks held in the system:
3 locks held by kworker/u4:0/9:
 #0: ffff8880175cd938 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x78a/0x10c0 kernel/workqueue.c:2283
 #1: ffff8880b8f27848 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x53d/0x810 kernel/sched/psi.c:891
 #2: ffff8880567ccd40 (&wdev->mtx){+.+.}-{3:3}, at: sdata_lock net/mac80211/ieee80211_i.h:1036 [inline]
 #2: ffff8880567ccd40 (&wdev->mtx){+.+.}-{3:3}, at: ieee80211_ibss_work+0xa0/0x1480 net/mac80211/ibss.c:1685
1 lock held by khungtaskd/27:
 #0: ffffffff8cb1fc60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
2 locks held by getty/3929:
 #0: ffff88814cfc4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:252
 #1: ffffc900025ae2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0 drivers/tty/n_tty.c:2158
2 locks held by syz-executor/4167:
 #0: ffff8880207a5918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfb/0x790 block/bdev.c:912
 #1: ffff888020900468 (&lo->lo_mutex){+.+.}-{3:3}, at: __loop_clr_fd+0xa9/0xbe0 drivers/block/loop.c:1365
1 lock held by syz-executor/4174:
 #0: ffff88801fff60e0 (&type->s_umount_key#120){++++}-{3:3}, at: deactivate_super+0xa9/0xe0 fs/super.c:365
5 locks held by kworker/0:15/5294:
3 locks held by kworker/u4:8/13229:
 #0: ffff8880b8e3a318 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x26/0x140 kernel/sched/core.c:475
 #1: ffffc9000371fd20 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x7d0/0x10c0 kernel/workqueue.c:2285
 #2: ffffffff8cb1fc60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:311

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

NMI backtrace for cpu 1
CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.173-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106
 nmi_cpu_backtrace+0x46a/0x4a0 lib/nmi_backtrace.c:111
 nmi_trigger_cpumask_backtrace+0x181/0x2a0 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:210 [inline]
 watchdog+0xe72/0xeb0 kernel/hung_task.c:295
 kthread+0x3f6/0x4f0 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 4167 Comm: syz-executor Not tainted 5.15.173-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:___update_load_sum kernel/sched/pelt.c:230 [inline]
RIP: 0010:__update_load_avg_cfs_rq+0x530/0xb40 kernel/sched/pelt.c:326
Code: e5 0a 49 8d 9c 24 98 00 00 00 48 89 d8 48 c1 e8 03 0f b6 04 30 84 c0 0f 85 1e 03 00 00 44 01 2b 48 b8 00 80 ff ff ff 03 00 00 <48> 05 00 7c 00 00 49 85 c0 0f 84 70 01 00 00 48 8b 44 24 20 0f b6
RSP: 0018:ffffc900000078d0 EFLAGS: 00000006
RAX: 000003ffffff8000 RBX: ffff8880b8e3a458 RCX: 0000000000000800
RDX: 0000000000000137 RSI: dffffc0000000000 RDI: ffff8880b8e3a45c
RBP: 0000000000217000 R08: 0000000000000537 R09: 0000000000000001
R10: 0000000004e1e777 R11: dffffc0000000001 R12: ffff8880b8e3a3c0
R13: 000000000010b800 R14: 0000000000000000 R15: 0000000000000800
FS:  00005555662f2500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555566315608 CR3: 0000000063593000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 update_cfs_rq_load_avg kernel/sched/fair.c:3754 [inline]
 update_load_avg+0x513/0x1110 kernel/sched/fair.c:3868
 enqueue_entity+0x118/0x1e70 kernel/sched/fair.c:4485
 enqueue_task_fair+0x229/0x16f0 kernel/sched/fair.c:5822
 enqueue_task+0x181/0x3a0 kernel/sched/core.c:1974
 activate_task kernel/sched/core.c:2002 [inline]
 ttwu_do_activate+0x1cf/0x430 kernel/sched/core.c:3611
 ttwu_queue kernel/sched/core.c:3820 [inline]
 try_to_wake_up+0x795/0x1300 kernel/sched/core.c:4143
 hrtimer_wakeup+0x5e/0x70 kernel/time/hrtimer.c:1942
 __run_hrtimer kernel/time/hrtimer.c:1688 [inline]
 __hrtimer_run_queues+0x598/0xcf0 kernel/time/hrtimer.c:1752
 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1814
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1097 [inline]
 __sysvec_apic_timer_interrupt+0x13b/0x4b0 arch/x86/kernel/apic/apic.c:1114
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
 sysvec_apic_timer_interrupt+0x9b/0xc0 arch/x86/kernel/apic/apic.c:1108
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:native_irq_enable arch/x86/include/asm/irqflags.h:45 [inline]
RIP: 0010:arch_local_irq_enable arch/x86/include/asm/irqflags.h:80 [inline]
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/irqflags.h:140 [inline]
RIP: 0010:___slab_alloc+0xa36/0xe10 mm/slub.c:2996
Code: 00 00 44 8b 6c 24 10 0f 84 53 f6 ff ff fb e9 4d f6 ff ff e8 bc 10 75 08 41 f7 c5 00 02 00 00 0f 84 37 fe ff ff fb 8b 6c 24 10 <e9> 84 f6 ff ff 0f 0b e9 69 f8 ff ff e8 99 10 75 08 e9 66 f7 ff ff
RSP: 0018:ffffc90002eefb60 EFLAGS: 00000206
RAX: 87c38a383dd69b00 RBX: ffff8880b8e415a0 RCX: ffffffff96a8ef03
RDX: dffffc0000000000 RSI: ffffffff8aab2a80 RDI: ffffffff8af9ed00
RBP: 00000000ffffffff R08: ffffffff8186f220 R09: fffffbfff1c14b16
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffea00007b8580
R13: 0000000000000282 R14: ffffffff7fff0000 R15: ffff8880175ea8c0
 __slab_alloc mm/slub.c:3095 [inline]
 slab_alloc_node mm/slub.c:3186 [inline]
 slab_alloc mm/slub.c:3228 [inline]
 kmem_cache_alloc+0x18e/0x280 mm/slub.c:3233
 kmem_cache_zalloc include/linux/slab.h:711 [inline]
 __alloc_file+0x26/0x240 fs/file_table.c:101
 alloc_empty_file+0x92/0x180 fs/file_table.c:150
 alloc_file+0x5b/0x4f0 fs/file_table.c:192
 alloc_file_pseudo+0x259/0x2f0 fs/file_table.c:232
 sock_alloc_file+0xb4/0x240 net/socket.c:462
 sock_map_fd net/socket.c:486 [inline]
 __sys_socket+0x194/0x370 net/socket.c:1588
 __do_sys_socket net/socket.c:1593 [inline]
 __se_sys_socket net/socket.c:1591 [inline]
 __x64_sys_socket+0x76/0x80 net/socket.c:1591
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fe599fffe37
Code: f0 ff ff 77 06 c3 0f 1f 44 00 00 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 0f 1f 44 00 00 b8 29 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd916854f8 EFLAGS: 00000206 ORIG_RAX: 0000000000000029
RAX: ffffffffffffffda RBX: 00007fe59a1882e0 RCX: 00007fe599fffe37
RDX: 0000000000000006 RSI: 0000000000000001 RDI: 0000000000000002
RBP: 00007ffd91685c0c R08: 0000000000000000 R09: 00007ffd91685927
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000032
R13: 000000000009ef4a R14: 0000000000000000 R15: 00007ffd91685c60
 </TASK>