INFO: task syz-executor.0:3698 blocked for more than 143 seconds.
Not tainted 6.0.0-rc7-syzkaller-00132-g987a926c1d8a #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:25840 pid: 3698 ppid: 3681 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5182 [inline]
__schedule+0x957/0xe20 kernel/sched/core.c:6494
schedule+0xcb/0x190 kernel/sched/core.c:6570
schedule_timeout+0xac/0x300 kernel/time/timer.c:1911
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_work+0x124/0x1a0 kernel/workqueue.c:3073
__cancel_work_timer+0x517/0x6a0 kernel/workqueue.c:3160
tls_sk_proto_close+0x120/0x970 net/tls/tls_main.c:309
inet_release+0x184/0x1e0 net/ipv4/af_inet.c:428
__sock_release net/socket.c:650 [inline]
sock_close+0xd7/0x260 net/socket.c:1365
__fput+0x3b9/0x820 fs/file_table.c:320
task_work_run+0x146/0x1c0 kernel/task_work.c:177
resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
exit_to_user_mode_loop+0x134/0x160 kernel/entry/common.c:169
exit_to_user_mode_prepare+0xad/0x110 kernel/entry/common.c:201
__syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline]
syscall_exit_to_user_mode+0x2e/0x60 kernel/entry/common.c:294
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x4181ab
RSP: 002b:00007ffe3bb7f290 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000001 RCX: 00000000004181ab
RDX: 0000000000000000 RSI: 0000001b31c20110 RDI: 0000000000000004
RBP: 0000000000000005 R08: 0000000000000000 R09: 0000001b31c20118
R10: 0000000000000000 R11: 0000000000000293 R12: 000000000055d900
R13: 000000000055d900 R14: 000000000055cf00 R15: 000000000055cf00
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/13:
#0: ffffffff8cd20a70 (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/14:
#0: ffffffff8cd21270 (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/29:
#0: ffffffff8cd208a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
2 locks held by kworker/u4:2/42:
#0: ffff8880b9b39c18 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x25/0x110 kernel/sched/core.c:544
#1: ffff8880b9b27748 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x5b1/0x8a0 kernel/sched/psi.c:885
2 locks held by getty/3291:
#0: ffff8880273b4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:244
#1: ffffc90002d232f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6e8/0x1e50 drivers/tty/n_tty.c:2177
3 locks held by kworker/0:3/3613:
#0: ffff888012064d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x796/0xd10 kernel/workqueue.c:2262
#1: ffffc9000399fd00 ((work_completion)(&(&sw_ctx_tx->tx_work.work)->work)){+.+.}-{0:0}, at: process_one_work+0x7d0/0xd10 kernel/workqueue.c:2264
#2: ffff8880708fc0d8 (&ctx->tx_lock){+.+.}-{3:3}, at: tx_work_handler+0x111/0x150 net/tls/tls_sw.c:2417
1 lock held by syz-executor.0/3698:
#0: ffff888074808e10 (&sb->s_type->i_mutex_key#9){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
#0: ffff888074808e10 (&sb->s_type->i_mutex_key#9){+.+.}-{3:3}, at: __sock_release net/socket.c:649 [inline]
#0: ffff888074808e10 (&sb->s_type->i_mutex_key#9){+.+.}-{3:3}, at: sock_close+0x93/0x260 net/socket.c:1365
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.0.0-rc7-syzkaller-00132-g987a926c1d8a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
nmi_cpu_backtrace+0x47c/0x4b0 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x169/0x280 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:212 [inline]
watchdog+0xcd5/0xd20 kernel/hung_task.c:369
kthread+0x266/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 3327 Comm: kworker/1:3 Not tainted 6.0.0-rc7-syzkaller-00132-g987a926c1d8a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
Workqueue: events_power_efficient wg_ratelimiter_gc_entries
RIP: 0010:__lock_acquire+0x16f/0x1f60 kernel/locking/lockdep.c:4959
Code: 00 48 89 5c 24 08 44 8b b4 24 c8 00 00 00 48 c7 c0 40 8f c9 8f 49 29 c7 49 c1 ff 06 48 b8 ab aa aa aa aa aa aa aa 49 0f af c7 <41> 89 c7 48 85 ed 44 89 64 24 24 48 89 6c 24 58 48 89 44 24 78 0f
RSP: 0018:ffffc9000352f988 EFLAGS: 00000807
RAX: 0000000000000893 RBX: ffff88802125a7f0 RCX: ffffffff9179af03
RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffffffff8d62c2d8
RBP: 0000000000000002 R08: 0000000000000001 R09: 0000000000000000
R10: fffffbfff1c4b616 R11: 1ffffffff1c4b615 R12: 0000000000000001
R13: ffffffff8d62c2d8 R14: 0000000000000000 R15: 00000000000019b9
FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005641c184a058 CR3: 00000000275f2000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_acquire+0x1a7/0x400 kernel/locking/lockdep.c:5666
__raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
_raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154
spin_lock include/linux/spinlock.h:349 [inline]
wg_ratelimiter_gc_entries+0x5c/0x4a0 drivers/net/wireguard/ratelimiter.c:63
process_one_work+0x81c/0xd10 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:306