INFO: task kworker/0:1H:52 blocked for more than 143 seconds.
Not tainted 6.2.0-rc5-syzkaller-00205-gc96618275234 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:1H state:D stack:22648 pid:52 ppid:2 flags:0x00004000
Workqueue: glock_workqueue glock_work_func
Call Trace:
context_switch kernel/sched/core.c:5293 [inline]
__schedule+0x995/0xe20 kernel/sched/core.c:6606
schedule+0xcb/0x190 kernel/sched/core.c:6682
rwsem_down_write_slowpath+0xfc1/0x1480 kernel/locking/rwsem.c:1190
__down_write_common kernel/locking/rwsem.c:1305 [inline]
__down_write kernel/locking/rwsem.c:1314 [inline]
down_write+0x231/0x270 kernel/locking/rwsem.c:1563
freeze_super+0x45/0x420 fs/super.c:1655
freeze_go_sync+0x178/0x340 fs/gfs2/glops.c:577
do_xmote+0x34d/0x13d0 fs/gfs2/glock.c:708
glock_work_func+0x2c2/0x450 fs/gfs2/glock.c:1056
process_one_work+0x877/0xdb0 kernel/workqueue.c:2289
worker_thread+0xb14/0x1330 kernel/workqueue.c:2436
kthread+0x266/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
INFO: task syz-executor.1:7499 blocked for more than 143 seconds.
Not tainted 6.2.0-rc5-syzkaller-00205-gc96618275234 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:20080 pid:7499 ppid:5124 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5293 [inline]
__schedule+0x995/0xe20 kernel/sched/core.c:6606
schedule+0xcb/0x190 kernel/sched/core.c:6682
schedule_timeout+0x98/0x2f0 kernel/time/timer.c:2143
do_wait_for_common+0x3ea/0x560 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+0x46/0x60 kernel/sched/completion.c:138
__flush_workqueue+0x74a/0x1680 kernel/workqueue.c:2861
gfs2_gl_hash_clear+0xbe/0x300 fs/gfs2/glock.c:2193
gfs2_fill_super+0x2202/0x2700 fs/gfs2/ops_fstype.c:1307
get_tree_bdev+0x400/0x620 fs/super.c:1282
gfs2_get_tree+0x50/0x210 fs/gfs2/ops_fstype.c:1330
vfs_get_tree+0x88/0x270 fs/super.c:1489
do_new_mount+0x289/0xad0 fs/namespace.c:3145
do_mount fs/namespace.c:3488 [inline]
__do_sys_mount fs/namespace.c:3697 [inline]
__se_sys_mount+0x2d3/0x3c0 fs/namespace.c:3674
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+0x63/0xcd
RIP: 0033:0x7f59b308d5fa
RSP: 002b:00007f59b3ebbf88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 000000000001255e RCX: 00007f59b308d5fa
RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007f59b3ebbfe0
RBP: 00007f59b3ebc020 R08: 00007f59b3ebc020 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 00000000200124c0
R13: 0000000020012500 R14: 00007f59b3ebbfe0 R15: 0000000020000000
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/12:
#0: ffffffff8d327010 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x30/0xd00 kernel/rcu/tasks.h:507
1 lock held by rcu_tasks_trace/13:
#0: ffffffff8d327810 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x30/0xd00 kernel/rcu/tasks.h:507
1 lock held by khungtaskd/28:
#0: ffffffff8d326e40 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
2 locks held by kworker/u4:3/46:
#0: ffff8880b983a1d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x25/0x110 kernel/sched/core.c:537
#1: ffff8880b9827748 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x57b/0x9a0 kernel/sched/psi.c:964
3 locks held by kworker/0:1H/52:
#0: ffff8881463a0938 ((wq_completion)glock_workqueue){+.+.}-{0:0}, at: process_one_work+0x7f2/0xdb0
#1: ffffc90000bd7d00 ((work_completion)(&(&gl->gl_work)->work)){+.+.}-{0:0}, at: process_one_work+0x831/0xdb0 kernel/workqueue.c:2264
#2: ffff88807ab080e0 (&type->s_umount_key#72){++++}-{3:3}, at: freeze_super+0x45/0x420 fs/super.c:1655
3 locks held by kworker/0:2/898:
#0: ffff8880b983a1d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x25/0x110 kernel/sched/core.c:537
#1: ffff8880b9827748 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x611/0x9a0 kernel/sched/psi.c:976
#2: ffff8880b9828558 (&base->lock){-.-.}-{2:2}, at: lock_timer_base+0x12a/0x270 kernel/time/timer.c:999
1 lock held by klogd/4423:
#0: ffff8880b993a1d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x25/0x110 kernel/sched/core.c:537
2 locks held by getty/4758:
#0: ffff88814b820098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:244
#1: ffffc900015802f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x53b/0x1650 drivers/tty/n_tty.c:2177
1 lock held by syz-executor.1/7499:
#0: ffff88807ab080e0 (&type->s_umount_key#71/1){+.+.}-{3:3}, at: alloc_super+0x212/0x920 fs/super.c:228
1 lock held by syz-executor.5/9525:
#0: ffff88807ab080e0 (&type->s_umount_key#72){++++}-{3:3}, at: iterate_supers+0xb0/0x1f0 fs/super.c:722
1 lock held by syz-executor.5/9527:
#0: ffff88807ab080e0 (&type->s_umount_key#72){++++}-{3:3}, at: iterate_supers+0xb0/0x1f0 fs/super.c:722
1 lock held by syz-executor.5/9528:
#0: ffff88807ab080e0 (&type->s_umount_key#72){++++}-{3:3}, at: iterate_supers+0xb0/0x1f0 fs/super.c:722
1 lock held by syz-executor.5/9535:
#0: ffff88807ab080e0 (&type->s_umount_key#72){++++}-{3:3}, at: iterate_supers+0xb0/0x1f0 fs/super.c:722
1 lock held by syz-executor.5/9536:
#0: ffff88807ab080e0 (&type->s_umount_key#72){++++}-{3:3}, at: iterate_supers+0xb0/0x1f0 fs/super.c:722
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.2.0-rc5-syzkaller-00205-gc96618275234 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1b1/0x290 lib/dump_stack.c:106
nmi_cpu_backtrace+0x46f/0x4f0 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x1ba/0x420 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:220 [inline]
watchdog+0xcd5/0xd20 kernel/hung_task.c:377
kthread+0x266/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 5470 Comm: kworker/u4:10 Not tainted 6.2.0-rc5-syzkaller-00205-gc96618275234 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
Workqueue: phy9 ieee80211_iface_work
RIP: 0010:debug_spin_lock_before kernel/locking/spinlock_debug.c:87 [inline]
RIP: 0010:do_raw_spin_lock+0xeb/0x3a0 kernel/locking/spinlock_debug.c:114
Code: 48 8b 03 65 48 8b 0c 25 40 98 03 00 48 89 4c 24 28 48 39 c8 0f 84 2f 01 00 00 49 8d 5c 24 08 49 89 df 49 c1 ef 03 41 8a 04 17 <84> c0 0f 85 d2 01 00 00 4c 8d 74 24 60 48 89 5c 24 18 8b 03 65 8b
RSP: 0018:ffffc90006317080 EFLAGS: 00000802
RAX: ffffffffffffff00 RBX: ffff8880b9928308 RCX: ffff88802721ba80
RDX: dffffc0000000000 RSI: 1ffff92000c62e18 RDI: ffff8880b9928300
RBP: ffffc90006317150 R08: dffffc0000000000 R09: fffffbfff20fc835
R10: fffffbfff20fc835 R11: 1ffffffff20fc834 R12: ffff8880b9928300
R13: ffff8880b99281e8 R14: 1ffff92000c62e34 R15: 1ffff11017325061
FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005608986390c0 CR3: 000000002729a000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
krc_this_cpu_lock kernel/rcu/tree.c:2977 [inline]
add_ptr_to_bulk_krc_lock kernel/rcu/tree.c:3286 [inline]
kvfree_call_rcu+0x198/0x880 kernel/rcu/tree.c:3377
cfg80211_update_known_bss+0x16a/0x9e0
cfg80211_bss_update+0x175/0x20b0 net/wireless/scan.c:1728
cfg80211_inform_single_bss_frame_data net/wireless/scan.c:2492 [inline]
cfg80211_inform_bss_frame_data+0x97b/0x2230 net/wireless/scan.c:2525
ieee80211_bss_info_update+0x74f/0x1020 net/mac80211/scan.c:190
ieee80211_rx_bss_info net/mac80211/ibss.c:1120 [inline]
ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1609 [inline]
ieee80211_ibss_rx_queued_mgmt+0x1945/0x2c40 net/mac80211/ibss.c:1638
ieee80211_iface_process_skb net/mac80211/iface.c:1583 [inline]
ieee80211_iface_work+0x773/0xcf0 net/mac80211/iface.c:1637
process_one_work+0x877/0xdb0 kernel/workqueue.c:2289
worker_thread+0xb14/0x1330 kernel/workqueue.c:2436
kthread+0x266/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308