INFO: task syz-executor.1:13348 blocked for more than 143 seconds.
Not tainted 5.15.113-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:23584 pid:13348 ppid: 9161 flags:0x00004004
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_timeout+0xac/0x300 kernel/time/timer.c:1860
do_wait_for_common+0x2d9/0x480 kernel/sched/completion.c:85
__wait_for_common kernel/sched/completion.c:106 [inline]
wait_for_common kernel/sched/completion.c:117 [inline]
wait_for_completion+0x48/0x60 kernel/sched/completion.c:138
xfs_buf_iowait+0xb4/0x400 fs/xfs/xfs_buf.c:1573
xfs_buf_delwri_pushbuf+0x2cf/0x4b0 fs/xfs/xfs_buf.c:2251
xfs_qm_flush_one+0x266/0x350 fs/xfs/xfs_qm.c:1249
xfs_qm_dquot_walk+0x22a/0x4a0 fs/xfs/xfs_qm.c:86
xfs_qm_quotacheck+0x34e/0x640 fs/xfs/xfs_qm.c:1339
xfs_qm_mount_quotas+0x328/0x610 fs/xfs/xfs_qm.c:1441
xfs_mountfs+0x162b/0x1ca0 fs/xfs/xfs_mount.c:904
xfs_fs_fill_super+0x100c/0x1240 fs/xfs/xfs_super.c:1658
get_tree_bdev+0x3fe/0x620 fs/super.c:1303
vfs_get_tree+0x88/0x270 fs/super.c:1508
do_new_mount+0x28b/0xad0 fs/namespace.c:2994
do_mount fs/namespace.c:3337 [inline]
__do_sys_mount fs/namespace.c:3545 [inline]
__se_sys_mount+0x2d5/0x3c0 fs/namespace.c:3522
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: 0033:0x7fb339c3069a
RSP: 002b:00007fb3381a0f88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00000000000096cb RCX: 00007fb339c3069a
RDX: 0000000020009700 RSI: 0000000020009740 RDI: 00007fb3381a0fe0
RBP: 00007fb3381a1020 R08: 00007fb3381a1020 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020009700
R13: 0000000020009740 R14: 00007fb3381a0fe0 R15: 0000000020000280
Showing all locks held in the system:
1 lock held by khungtaskd/26:
#0: ffffffff8c91c560 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
2 locks held by getty/3262:
#0: ffff8880248d2098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:252
#1: ffffc90002bb32e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1da0 drivers/tty/n_tty.c:2147
3 locks held by syz-executor.1/13348:
#0: ffff88802f2be0e0 (&type->s_umount_key#73/1){+.+.}-{3:3}, at: alloc_super+0x210/0x940 fs/super.c:229
#1: ffff8880196ed158 (&qinf->qi_tree_lock){+.+.}-{3:3}, at: xfs_qm_dquot_walk+0x132/0x4a0 fs/xfs/xfs_qm.c:73
#2: ffff88801f542318 (&xfs_dquot_group_class){+.+.}-{3:3}, at: xfs_dqlock fs/xfs/xfs_dquot.h:133 [inline]
#2: ffff88801f542318 (&xfs_dquot_group_class){+.+.}-{3:3}, at: xfs_qm_flush_one+0xca/0x350 fs/xfs/xfs_qm.c:1225
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 26 Comm: khungtaskd Not tainted 5.15.113-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/16/2023
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: 9 Comm: kworker/u4:0 Not tainted 5.15.113-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/16/2023
Workqueue: phy8 ieee80211_iface_work
RIP: 0010:lookup_chain_cache kernel/locking/lockdep.c:3681 [inline]
RIP: 0010:lookup_chain_cache_add kernel/locking/lockdep.c:3700 [inline]
RIP: 0010:validate_chain+0x1a6/0x58b0 kernel/locking/lockdep.c:3755
Code: 8b 1b 48 85 db 74 48 48 83 c3 f8 74 42 4c 8d 7b 18 4c 89 f8 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 ff e8 6d 2d 66 00 49 8b 07 <4c> 39 f0 0f 84 d1 03 00 00 48 83 c3 08 48 89 d8 48 c1 e8 03 42 80
RSP: 0018:ffffc90000ce7420 EFLAGS: 00000046
RAX: c90abb7e19416eb4 RBX: ffffffff8fc81800 RCX: ffffffff816316d2
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8fbc91f8
RBP: ffffc90000ce76d0 R08: dffffc0000000000 R09: fffffbfff1f79240
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff88813fe90b88 R14: c90abb7e19416eb4 R15: ffffffff8fc81818
FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555567316d0 CR3: 00000000232a5000 CR4: 00000000003506f0
DR0: 00000000ffff070c DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
__lock_acquire+0x1295/0x1ff0 kernel/locking/lockdep.c:5011
lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5622
__mutex_lock_common+0x1da/0x25a0 kernel/locking/mutex.c:596
__mutex_lock kernel/locking/mutex.c:729 [inline]
mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:743
ieee80211_ibss_sta_expire net/mac80211/ibss.c:1259 [inline]
ieee80211_sta_merge_ibss net/mac80211/ibss.c:1302 [inline]
ieee80211_ibss_work+0x4be/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