INFO: task syz-executor.5:5089 blocked for more than 143 seconds.
Not tainted 6.3.0-rc7-syzkaller-00060-g789b4a41c247 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:21048 pid:5089 ppid:1 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5307 [inline]
__schedule+0x173b/0x4630 kernel/sched/core.c:6625
schedule+0xc3/0x180 kernel/sched/core.c:6701
schedule_timeout+0x1bd/0x310 kernel/time/timer.c:2167
gfs2_gl_hash_clear+0x1a3/0x310 fs/gfs2/glock.c:2198
gfs2_put_super+0x827/0x890 fs/gfs2/super.c:633
generic_shutdown_super+0x134/0x340 fs/super.c:500
kill_block_super+0x7e/0xe0 fs/super.c:1407
deactivate_locked_super+0xa4/0x110 fs/super.c:331
cleanup_mnt+0x426/0x4c0 fs/namespace.c:1177
task_work_run+0x24a/0x300 kernel/task_work.c:179
resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
exit_to_user_mode_loop+0xd9/0x100 kernel/entry/common.c:171
exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:204
__syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline]
syscall_exit_to_user_mode+0x64/0x280 kernel/entry/common.c:297
do_syscall_64+0x4d/0xc0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fc9d0a8d5d7
RSP: 002b:00007ffe8ab70bc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fc9d0a8d5d7
RDX: 00007ffe8ab70c9b RSI: 000000000000000a RDI: 00007ffe8ab70c90
RBP: 00007ffe8ab70c90 R08: 00000000ffffffff R09: 00007ffe8ab70a60
R10: 0000555555ad38b3 R11: 0000000000000246 R12: 00007fc9d0ae6cdc
R13: 00007ffe8ab71d50 R14: 0000555555ad3810 R15: 00007ffe8ab71d90
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/12:
#0: ffffffff8cf25570 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xd20 kernel/rcu/tasks.h:510
1 lock held by rcu_tasks_trace/13:
#0: ffffffff8cf25d70 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xd20 kernel/rcu/tasks.h:510
1 lock held by khungtaskd/28:
#0: ffffffff8cf253a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
2 locks held by getty/4741:
#0: ffff8880277c9098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:244
#1: ffffc900015802f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6ab/0x1db0 drivers/tty/n_tty.c:2177
1 lock held by syz-executor.5/5089:
#0: ffff8880315ac0e0 (&type->s_umount_key#77){++++}-{3:3}, at: deactivate_super+0xad/0xf0 fs/super.c:361
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.3.0-rc7-syzkaller-00060-g789b4a41c247 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x498/0x4d0 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x187/0x300 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]
watchdog+0xec2/0xf00 kernel/hung_task.c:379
kthread+0x270/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 5215 Comm: kworker/u4:6 Not tainted 6.3.0-rc7-syzkaller-00060-g789b4a41c247 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023
Workqueue: phy3 ieee80211_iface_work
RIP: 0010:jhash+0x570/0x740 include/linux/jhash.h:101
Code: 89 d8 c1 c0 0b 41 29 c4 44 89 e0 c1 c0 19 44 31 e5 29 c5 31 eb 89 e8 c1 c0 10 29 c3 41 31 dc 89 d8 c1 c0 04 41 29 c4 44 31 e5 <41> c1 c4 0e 44 29 e5 31 eb c1 c5 18 29 eb 89 d8 5b 41 5c 41 5d 41
RSP: 0018:ffffc900047d76e8 EFLAGS: 00000202
RAX: 00000000fc9c26e9 RBX: 000000009fc9c26e RCX: ffff8880282c9d40
RDX: dffffc0000000000 RSI: ffffffff8d56e6c0 RDI: 0000000000000006
RBP: 0000000042052a83 R08: 0000000000000005 R09: ffffffff842fda25
R10: 000000000000000c R11: ffff8880282c9d40 R12: 0000000002334226
R13: dffffc0000000000 R14: ffff88801fdf9e5a R15: ffff88801fdf9e5b
FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c01a0f2000 CR3: 000000002816a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rht_key_get_hash include/linux/rhashtable.h:133 [inline]
rht_key_hashfn include/linux/rhashtable.h:159 [inline]
__rhashtable_lookup include/linux/rhashtable.h:604 [inline]
rhltable_lookup+0x269/0x800 include/linux/rhashtable.h:696
sta_info_hash_lookup net/mac80211/sta_info.c:193 [inline]
sta_info_get+0x101/0x270 net/mac80211/sta_info.c:205
ieee80211_update_sta_info net/mac80211/ibss.c:1000 [inline]
ieee80211_rx_bss_info net/mac80211/ibss.c:1118 [inline]
ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1609 [inline]
ieee80211_ibss_rx_queued_mgmt+0x10f1/0x2cf0 net/mac80211/ibss.c:1638
ieee80211_iface_process_skb net/mac80211/iface.c:1583 [inline]
ieee80211_iface_work+0x7bd/0xd00 net/mac80211/iface.c:1637
process_one_work+0x8a0/0x10e0 kernel/workqueue.c:2390
worker_thread+0xa63/0x1210 kernel/workqueue.c:2537
kthread+0x270/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308