INFO: task syz-executor.4:5242 blocked for more than 143 seconds.
Not tainted 5.15.120-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:25016 pid: 5242 ppid: 32024 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5026 [inline]
__schedule+0x12c4/0x4590 kernel/sched/core.c:6372
schedule+0x11b/0x1f0 kernel/sched/core.c:6455
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6514
rwsem_down_read_slowpath+0x605/0xb40 kernel/locking/rwsem.c:1047
__down_read_common kernel/locking/rwsem.c:1231 [inline]
__down_read kernel/locking/rwsem.c:1244 [inline]
down_read+0x9a/0x2e0 kernel/locking/rwsem.c:1490
user_get_super+0x11a/0x250 fs/super.c:837
quotactl_block fs/quota/quota.c:889 [inline]
__do_sys_quotactl fs/quota/quota.c:953 [inline]
__se_sys_quotactl+0x490/0x770 fs/quota/quota.c:915
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7fe5179d0b29
RSP: 002b:00007fe515f520c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000b3
RAX: ffffffffffffffda RBX: 00007fe517aeff80 RCX: 00007fe5179d0b29
RDX: 0000000000000000 RSI: 0000000020000100 RDI: ffffffff80000602
RBP: 00007fe517a1c47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000020001680 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fe517aeff80 R15: 00007ffc0cfa9578
Showing all locks held in the system:
1 lock held by khungtaskd/27:
#0: ffffffff8c91e6a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
1 lock held by syslogd/2944:
#0: ffff8880b9b396d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x26/0x140 kernel/sched/core.c:475
2 locks held by getty/3264:
#0: ffff888024a8f098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:252
#1: ffffc900022a32e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1da0 drivers/tty/n_tty.c:2147
2 locks held by kworker/u4:12/21108:
#0: ffff8880b9a396d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x26/0x140 kernel/sched/core.c:475
#1: ffff8880b9a27848 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x53d/0x810 kernel/sched/psi.c:891
5 locks held by syz-executor.4/31912:
5 locks held by kworker/u4:0/3980:
#0: ffff8880b9a396d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x26/0x140 kernel/sched/core.c:475
#1: ffffc9000a4afd20 ((work_completion)(&(&bat_priv->orig_work)->work)){+.+.}-{0:0}, at: process_one_work+0x7d0/0x10c0 kernel/workqueue.c:2282
#2: ffffffff8c91e6a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:268
#3: ffff8880b9a396d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x26/0x140 kernel/sched/core.c:475
#4: ffffffff8c91e6a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
1 lock held by syz-executor.4/5242:
#0: ffff88803b5160e0 (&type->s_umount_key#107){++++}-{3:3}, at: user_get_super+0x11a/0x250 fs/super.c:837
1 lock held by syz-executor.4/5335:
#0: ffff88803b5160e0 (&type->s_umount_key#107){++++}-{3:3}, at: user_get_super+0x11a/0x250 fs/super.c:837
1 lock held by syz-executor.4/5340:
#0: ffff88803b5160e0 (&type->s_umount_key#107){++++}-{3:3}, at: user_get_super+0x11a/0x250 fs/super.c:837
1 lock held by syz-executor.4/5392:
#0: ffff88803b5160e0 (&type->s_umount_key#107){++++}-{3:3}, at: user_get_super+0x11a/0x250 fs/super.c:837
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.120-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2cb 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:319
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 144 Comm: kworker/u4:1 Not tainted 5.15.120-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
Workqueue: phy12 ieee80211_iface_work
RIP: 0010:__lock_release kernel/locking/lockdep.c:5328 [inline]
RIP: 0010:lock_release+0x2f2/0x9a0 kernel/locking/lockdep.c:5642
Code: 85 24 05 00 00 45 89 2c 24 41 81 fd ff ff 0f 00 0f 87 b8 02 00 00 49 bc 00 00 00 00 00 fc ff df 48 8b 44 24 48 42 0f b6 04 20 <84> c0 0f 85 cf 04 00 00 89 16 4c 89 f8 48 c1 e8 03 42 80 3c 20 00
RSP: 0018:ffffc900010af860 EFLAGS: 00000087
RAX: 0000000000000000 RBX: 1ffff11002543171 RCX: ffffc900010af803
RDX: 0000000000000003 RSI: ffff888012a18ae8 RDI: ffff888012a18b68
RBP: ffffc900010af990 R08: dffffc0000000000 R09: fffffbfff1bc7e0e
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 0000000000040821 R14: dffffc0000000000 R15: ffff888012a18b68
FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055b221296600 CR3: 00000000231f5000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__mutex_unlock_slowpath+0xde/0x750 kernel/locking/mutex.c:851
ieee80211_ibss_sta_expire net/mac80211/ibss.c:1285 [inline]
ieee80211_sta_merge_ibss net/mac80211/ibss.c:1302 [inline]
ieee80211_ibss_work+0x7ee/0x1480 net/mac80211/ibss.c:1713
process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2307
worker_thread+0xaca/0x1280 kernel/workqueue.c:2454
kthread+0x3f6/0x4f0 kernel/kthread.c:319
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298