INFO: task syz-executor.1:5105 blocked for more than 143 seconds.
Not tainted 6.9.0-rc4-next-20240418-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:18448 pid:5105 tgid:5105 ppid:1 flags:0x00000006
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x17e8/0x4a50 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6837
bit_wait+0x12/0xd0 kernel/sched/wait_bit.c:199
__wait_on_bit+0xb0/0x2f0 kernel/sched/wait_bit.c:49
out_of_line_wait_on_bit+0x1d5/0x260 kernel/sched/wait_bit.c:64
wait_on_bit include/linux/wait_bit.h:76 [inline]
gfs2_glock_wait+0xc7/0x2b0 fs/gfs2/glock.c:1394
gfs2_glock_nq_init fs/gfs2/glock.h:238 [inline]
__gfs2_lookup+0x11b/0x280 fs/gfs2/inode.c:905
__lookup_slow+0x28c/0x3f0 fs/namei.c:1692
lookup_slow+0x53/0x70 fs/namei.c:1709
walk_component+0x2e1/0x410 fs/namei.c:2004
lookup_last fs/namei.c:2469 [inline]
path_lookupat+0x16f/0x450 fs/namei.c:2493
filename_lookup+0x256/0x610 fs/namei.c:2522
user_path_at_empty+0x42/0x60 fs/namei.c:2929
user_path_at include/linux/namei.h:58 [inline]
ksys_umount fs/namespace.c:1916 [inline]
__do_sys_umount fs/namespace.c:1924 [inline]
__se_sys_umount fs/namespace.c:1922 [inline]
__x64_sys_umount+0xf4/0x170 fs/namespace.c:1922
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9d7dc7f1d7
RSP: 002b:00007ffd5d9c0c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: ffffffffffffffda RBX: 00007f9d7dcc93b9 RCX: 00007f9d7dc7f1d7
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd5d9c0d30
RBP: 00007ffd5d9c0d30 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffd5d9c1e20
R13: 00007f9d7dcc93b9 R14: 000055555b4d9430 R15: 000000000000001e
Showing all locks held in the system:
1 lock held by khungtaskd/31:
#0: ffffffff8e333b60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline]
#0: ffffffff8e333b60 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline]
#0: ffffffff8e333b60 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6614
5 locks held by kworker/u8:7/2431:
#0: ffff888015089148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3193 [inline]
#0: ffff888015089148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3299
#1: ffffc9000a337d00 ((work_completion)(&(&kfence_timer)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3194 [inline]
#1: ffffc9000a337d00 ((work_completion)(&(&kfence_timer)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3299
#2: ffffffff8e1ce1d0 (cpu_hotplug_lock){++++}-{0:0}, at: static_key_disable+0x12/0x20 kernel/jump_label.c:242
#3: ffffffff8e3e0548 (jump_label_mutex){+.+.}-{3:3}, at: jump_label_lock kernel/jump_label.c:27 [inline]
#3: ffffffff8e3e0548 (jump_label_mutex){+.+.}-{3:3}, at: static_key_disable_cpuslocked+0x9b/0x1c0 kernel/jump_label.c:233
#4: ffffffff8e1e3288 (text_mutex){+.+.}-{3:3}, at: arch_jump_label_transform_apply+0x17/0x30 arch/x86/kernel/jump_label.c:145
2 locks held by getty/4847:
#0: ffff88802ad340a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc90002f162f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 drivers/tty/n_tty.c:2201
1 lock held by syz-executor.1/5105:
#0: ffff88805837b710 (&type->i_mutex_dir_key#20){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:801 [inline]
#0: ffff88805837b710 (&type->i_mutex_dir_key#20){.+.+}-{3:3}, at: lookup_slow+0x45/0x70 fs/namei.c:1708
3 locks held by kworker/0:5/5159:
#0: ffff8880b943e7d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:559
#1: ffff8880b9428948 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x441/0x770 kernel/sched/psi.c:988
#2: ffff8880b942b7d8 (&base->lock){-.-.}-{2:2}, at: lock_timer_base+0x112/0x240 kernel/time/timer.c:1051
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 31 Comm: khungtaskd Not tainted 6.9.0-rc4-next-20240418-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114
nmi_cpu_backtrace+0x49c/0x4d0 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x198/0x320 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline]
watchdog+0xfde/0x1020 kernel/hung_task.c:379
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 5599 Comm: kworker/u8:9 Not tainted 6.9.0-rc4-next-20240418-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Workqueue: events_unbound cfg80211_wiphy_work
RIP: 0010:mark_lock+0x15/0x350 kernel/locking/lockdep.c:4639
Code: 00 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 41 57 41 56 41 55 41 54 53 48 83 ec 10 49 89 f7 48 89 3c 24 <49> bd 00 00 00 00 00 fc ff df 83 fa 08 75 27 49 8d 5f 20 48 89 d8
RSP: 0018:ffffc9000a4cf958 EFLAGS: 00000082
RAX: 00000000000400bd RBX: ffff88807b94a8e0 RCX: ffffffff817324ba
RDX: 0000000000000006 RSI: ffff88807b94a8e0 RDI: ffff88807b949e00
RBP: ffffc9000a4cfa60 R08: ffffffff92f7b60f R09: 1ffffffff25ef6c1
R10: dffffc0000000000 R11: fffffbfff25ef6c2 R12: ffff88807b94a900
R13: 0000000000000000 R14: ffff88807b94a8d8 R15: ffff88807b94a8e0
FS: 0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000056386f7d31c0 CR3: 000000000e132000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
mark_held_locks kernel/locking/lockdep.c:4274 [inline]
__trace_hardirqs_on_caller kernel/locking/lockdep.c:4300 [inline]
lockdep_hardirqs_on_prepare+0x3a5/0x780 kernel/locking/lockdep.c:4359
trace_hardirqs_on+0x28/0x40 kernel/trace/trace_preemptirq.c:61
kasan_quarantine_put+0xdc/0x230 mm/kasan/quarantine.c:234
kasan_slab_free include/linux/kasan.h:184 [inline]
slab_free_hook mm/slub.c:2190 [inline]
slab_free mm/slub.c:4393 [inline]
kmem_cache_free+0x145/0x340 mm/slub.c:4468
kfree_skb include/linux/skbuff.h:1262 [inline]
ieee80211_iface_work+0x270/0xf10 net/mac80211/iface.c:1661
cfg80211_wiphy_work+0x221/0x260 net/wireless/core.c:437
process_one_work kernel/workqueue.c:3218 [inline]
process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3299
worker_thread+0x86d/0xd70 kernel/workqueue.c:3380
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244