INFO: task syz-executor.1:17721 blocked for more than 145 seconds.
Not tainted 5.15.132-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:27064 pid:17721 ppid: 3553 flags:0x00004006
Call Trace:
<TASK>
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
__flush_work+0x124/0x1a0 kernel/workqueue.c:3094
__cancel_work_timer+0x519/0x6a0 kernel/workqueue.c:3181
tls_sk_proto_close+0x121/0x980 net/tls/tls_main.c:308
inet_release+0x174/0x1f0 net/ipv4/af_inet.c:431
__sock_release net/socket.c:649 [inline]
sock_close+0xcd/0x230 net/socket.c:1317
__fput+0x3bf/0x890 fs/file_table.c:280
task_work_run+0x129/0x1a0 kernel/task_work.c:164
tracehook_notify_resume include/linux/tracehook.h:189 [inline]
exit_to_user_mode_loop+0x106/0x130 kernel/entry/common.c:175
exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:208
__syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline]
syscall_exit_to_user_mode+0x5d/0x250 kernel/entry/common.c:301
do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f036f1ab9da
RSP: 002b:00007ffe93d9e540 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00007f036f1ab9da
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007f036f2cd980 R08: 0000001b31020000 R09: 0000000000000a5d
R10: 0000000081c33965 R11: 0000000000000293 R12: 00000000000fba06
R13: ffffffffffffffff R14: 00007f036ed30000 R15: 00000000000fb6c5
</TASK>
Showing all locks held in the system:
1 lock held by khungtaskd/27:
#0: ffffffff8c91f0a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
2 locks held by getty/3262:
#0: ffff88814ab1f098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:252
#1: ffffc900024a32e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0 drivers/tty/n_tty.c:2158
2 locks held by kworker/0:3/3594:
3 locks held by kworker/0:5/3635:
#0: ffff888011c70d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x78a/0x10c0 kernel/workqueue.c:2283
#1: ffffc9000445fd20 ((work_completion)(&(&sw_ctx_tx->tx_work.work)->work)){+.+.}-{0:0}, at: process_one_work+0x7d0/0x10c0 kernel/workqueue.c:2285
#2: ffff8880737d1cd8 (&ctx->tx_lock){+.+.}-{3:3}, at: tx_work_handler+0x107/0x200 net/tls/tls_sw.c:2292
2 locks held by kworker/1:20/9755:
#0: ffff888011c72538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x78a/0x10c0 kernel/workqueue.c:2283
#1: ffffc900043efd20 ((work_completion)(&rew.rew_work)){+.+.}-{0:0}, at: process_one_work+0x7d0/0x10c0 kernel/workqueue.c:2285
1 lock held by syz-executor.1/17721:
#0: ffff888071134410 (&sb->s_type->i_mutex_key#11){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:787 [inline]
#0: ffff888071134410 (&sb->s_type->i_mutex_key#11){+.+.}-{3:3}, at: __sock_release net/socket.c:648 [inline]
#0: ffff888071134410 (&sb->s_type->i_mutex_key#11){+.+.}-{3:3}, at: sock_close+0x98/0x230 net/socket.c:1317
4 locks held by udevd/18623:
#0: ffff8880b9a39718 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0xa8/0x140 kernel/sched/core.c:483
#1: ffff8880b9a27848 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x53d/0x810 kernel/sched/psi.c:891
#2: ffff88807cdbb558 (&ep->lock){...-}-{2:2}, at: ep_poll_callback+0x75/0x970 fs/eventpoll.c:1138
#3: ffff88807cdbb4a8 (&ep->wq){..-.}-{2:2}, at: __wake_up_common_lock kernel/sched/wait.c:137 [inline]
#3: ffff88807cdbb4a8 (&ep->wq){..-.}-{2:2}, at: __wake_up+0xf5/0x1c0 kernel/sched/wait.c:157
3 locks held by kworker/u4:20/19160:
#0: ffff8880b9a39718 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0xa8/0x140 kernel/sched/core.c:483
#1: ffffc9000ab87d20 ((work_completion)(&(&bat_priv->nc.work)->work)){+.+.}-{0:0}, at: process_one_work+0x7d0/0x10c0 kernel/workqueue.c:2285
#2: ffff8880b9a28098 (&base->lock){-.-.}-{2:2}, at: lock_timer_base+0x120/0x260 kernel/time/timer.c:946
1 lock held by syz-executor.3/19693:
#0: ffffffff8c923668 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:290 [inline]
#0: ffffffff8c923668 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x280/0x740 kernel/rcu/tree_exp.h:845
1 lock held by syz-executor.1/19706:
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.132-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
Call Trace:
<TASK>
__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
</TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 19149 Comm: kworker/u4:15 Not tainted 5.15.132-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
Workqueue: bat_events batadv_nc_worker
RIP: 0010:__this_cpu_preempt_check+0x0/0x10 lib/smp_processor_id.c:65
Code: 4c 89 fe 4c 89 f2 e8 58 c5 fe ff 48 8b 74 24 30 48 c7 c7 00 7a d8 8a e8 47 c5 fe ff e8 c3 6c ff ff eb a9 e8 12 eb ff ff 66 90 <48> 89 fe 48 c7 c7 80 79 d8 8a e9 e1 fe ff ff cc eb 1e 0f 1f 00 48
RSP: 0018:ffffc9000946fa18 EFLAGS: 00000082
RAX: 0000000000000001 RBX: ffffc9000946fa80 RCX: 1ffff9200128def0
RDX: dffffc0000000000 RSI: 0000000000000001 RDI: ffffffff8a8b1f00
RBP: ffffc9000946fb70 R08: dffffc0000000000 R09: fffffbfff1f7b221
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff9200128df4c
R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000246
FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30921000 CR3: 000000002589d000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<NMI>
</NMI>
<TASK>
lockdep_recursion_finish kernel/locking/lockdep.c:436 [inline]
lock_acquire+0x1eb/0x4f0 kernel/locking/lockdep.c:5624
rcu_lock_acquire+0x2a/0x30 include/linux/rcupdate.h:269
rcu_read_lock include/linux/rcupdate.h:696 [inline]
batadv_nc_process_nc_paths+0xb8/0x350 net/batman-adv/network-coding.c:691
batadv_nc_worker+0x3d4/0x5b0 net/batman-adv/network-coding.c:732
process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2310
worker_thread+0xaca/0x1280 kernel/workqueue.c:2457
kthread+0x3f6/0x4f0 kernel/kthread.c:319
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
</TASK>