INFO: task kworker/u4:12:5361 blocked for more than 147 seconds.
Not tainted 6.1.0-syzkaller-13409-g2f26e424552e #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u4:12 state:D stack:21112 pid:5361 ppid:2 flags:0x00004000
Workqueue: netns cleanup_net
Call Trace:
context_switch kernel/sched/core.c:5244 [inline]
__schedule+0x9d1/0xe40 kernel/sched/core.c:6555
schedule+0xcb/0x190 kernel/sched/core.c:6631
rxrpc_destroy_all_calls+0x585/0x680 net/rxrpc/call_object.c:733
rxrpc_exit_net+0x6a/0xc0 net/rxrpc/net_ns.c:125
ops_exit_list net/core/net_namespace.c:169 [inline]
cleanup_net+0x758/0xc60 net/core/net_namespace.c:606
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:308
Showing all locks held in the system:
2 locks held by kworker/u4:0/9:
#0: ffff8880b993a1d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x25/0x110 kernel/sched/core.c:537
#1: ffffe8ffffd89c48 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x2b4/0xa30 kernel/sched/psi.c:926
1 lock held by rcu_tasks_kthre/12:
#0: ffffffff8d323910 (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: ffffffff8d324110 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x30/0xd00 kernel/rcu/tasks.h:507
3 locks held by kworker/1:0/22:
#0: ffff888012872538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x796/0xd10 kernel/workqueue.c:2262
#1: ffffc900001c7d00 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_one_work+0x7d0/0xd10 kernel/workqueue.c:2264
#2: ffffffff8d328e08 (rcu_state.exp_wake_mutex){+.+.}-{3:3}, at: rcu_exp_wait_wake kernel/rcu/tree_exp.h:693 [inline]
#2: ffffffff8d328e08 (rcu_state.exp_wake_mutex){+.+.}-{3:3}, at: rcu_exp_sel_wait_wake+0x1838/0x1dc0 kernel/rcu/tree_exp.h:722
1 lock held by khungtaskd/28:
#0: ffffffff8d323740 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
2 locks held by getty/4739:
#0: ffff88814a34b098 (&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+0x6e8/0x1e50 drivers/tty/n_tty.c:2177
3 locks held by kworker/u4:12/5361:
#0: ffff8880129db138 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x796/0xd10 kernel/workqueue.c:2262
#1: ffffc90005cf7d00 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7d0/0xd10 kernel/workqueue.c:2264
#2: ffffffff8e4563d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xf0/0xc60 net/core/net_namespace.c:568
3 locks held by kworker/0:10/9662:
2 locks held by syz-executor.2/15308:
#0: ffffffff8e4563d0 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x332/0x5a0 net/core/net_namespace.c:479
#1: ffffffff8e462788 (rtnl_mutex){+.+.}-{3:3}, at: cangw_pernet_exit_batch+0x1c/0x90 net/can/gw.c:1250
2 locks held by syz-executor.0/15323:
#0: ffffffff8e4563d0 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x332/0x5a0 net/core/net_namespace.c:479
#1: ffffffff8e462788 (rtnl_mutex){+.+.}-{3:3}, at: cangw_pernet_exit_batch+0x1c/0x90 net/can/gw.c:1250
3 locks held by syz-executor.4/15344:
#0: ffffffff8e4563d0 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x332/0x5a0 net/core/net_namespace.c:479
#1: ffffffff8e462788 (rtnl_mutex){+.+.}-{3:3}, at: ip_tunnel_delete_nets+0xc9/0x370 net/ipv4/ip_tunnel.c:1121
#2: ffffffff8d328d78 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:292 [inline]
#2: ffffffff8d328d78 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x3a6/0x890 kernel/rcu/tree_exp.h:946
2 locks held by syz-executor.3/15367:
#0: ffffffff8e4563d0 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x332/0x5a0 net/core/net_namespace.c:479
#1: ffffffff8e462788 (rtnl_mutex){+.+.}-{3:3}, at: wg_netns_pre_exit+0x1b/0x1e0 drivers/net/wireguard/device.c:420
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.1.0-syzkaller-13409-g2f26e424552e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x4e3/0x560 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x19b/0x3e0 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 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 9 Comm: kworker/u4:0 Not tainted 6.1.0-syzkaller-13409-g2f26e424552e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Workqueue: phy10 ieee80211_iface_work
RIP: 0010:get_current arch/x86/include/asm/current.h:41 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x4/0x60 kernel/kcov.c:206
Code: 00 00 00 00 66 90 53 48 89 fb e8 17 00 00 00 48 8b 3d f8 3f 02 0d 48 89 de 5b e9 27 d3 55 00 cc cc cc cc cc cc cc 48 8b 04 24 <65> 48 8b 0c 25 40 98 03 00 65 8b 15 c4 d0 75 7e f7 c2 00 01 ff 00
RSP: 0018:ffffc900000e78d8 EFLAGS: 00000293
RAX: ffffffff8a30a7fe RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff88813fea0000 RSI: 0000000000000000 RDI: 0000000000000006
RBP: ffffc900000e7bc0 R08: ffffffff8a30a7f0 R09: ffffc900000e77b0
R10: fffff5200001cefe R11: 1ffff9200001cef6 R12: ffff88805a660c80
R13: ffff888078080c50 R14: ffff8880381406c0 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7b155649d0 CR3: 000000000d08e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
ieee80211_update_sta_info net/mac80211/ibss.c:995 [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+0xf3e/0x2d00 net/mac80211/ibss.c:1638
ieee80211_iface_process_skb net/mac80211/iface.c:1581 [inline]
ieee80211_iface_work+0x773/0xcf0 net/mac80211/iface.c:1635
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:308