INFO: task dhcpcd:5490 blocked for more than 143 seconds.
Tainted: G U L syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:dhcpcd state:D stack:22552 pid:5490 tgid:5490 ppid:5489 task_flags:0x400140 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5260 [inline]
__schedule+0xfe4/0x5e10 kernel/sched/core.c:6867
__schedule_loop kernel/sched/core.c:6949 [inline]
schedule+0xdd/0x390 kernel/sched/core.c:6964
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7021
__mutex_lock_common kernel/locking/mutex.c:692 [inline]
__mutex_lock+0xc9a/0x1b90 kernel/locking/mutex.c:776
rtnl_net_lock include/linux/rtnetlink.h:130 [inline]
inet_rtm_newroute+0x148/0x210 net/ipv4/fib_frontend.c:922
rtnetlink_rcv_msg+0x95e/0xe90 net/core/rtnetlink.c:6958
netlink_rcv_skb+0x159/0x420 net/netlink/af_netlink.c:2550
netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
netlink_unicast+0x5aa/0x870 net/netlink/af_netlink.c:1344
netlink_sendmsg+0x8b0/0xda0 net/netlink/af_netlink.c:1894
sock_sendmsg_nosec net/socket.c:727 [inline]
__sock_sendmsg net/socket.c:742 [inline]
____sys_sendmsg+0xa54/0xc30 net/socket.c:2592
___sys_sendmsg+0x190/0x1e0 net/socket.c:2646
__sys_sendmsg+0x170/0x220 net/socket.c:2678
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xc9/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7331ab6407
RSP: 002b:00007ffeffba8fb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f7331a2c740 RCX: 00007f7331ab6407
RDX: 0000000000000000 RSI: 00007ffeffbbd190 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffeffbcd3c0
R13: 00007f7331a2c6c8 R14: 000000000000003c R15: 00007ffeffbbd190
INFO: task kworker/1:0:19023 blocked for more than 143 seconds.
Tainted: G U L syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:0 state:D stack:25864 pid:19023 tgid:19023 ppid:2 task_flags:0x4208060 flags:0x00080000
Workqueue: events_power_efficient reg_check_chans_work
Call Trace:
context_switch kernel/sched/core.c:5260 [inline]
__schedule+0xfe4/0x5e10 kernel/sched/core.c:6867
__schedule_loop kernel/sched/core.c:6949 [inline]
schedule+0xdd/0x390 kernel/sched/core.c:6964
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7021
__mutex_lock_common kernel/locking/mutex.c:692 [inline]
__mutex_lock+0xc9a/0x1b90 kernel/locking/mutex.c:776
class_wiphy_constructor include/net/cfg80211.h:6360 [inline]
reg_leave_invalid_chans net/wireless/reg.c:2441 [inline]
reg_check_chans_work+0x12c/0x10e0 net/wireless/reg.c:2456
process_one_work+0x9c2/0x1840 kernel/workqueue.c:3257
process_scheduled_works kernel/workqueue.c:3340 [inline]
worker_thread+0x5da/0xe40 kernel/workqueue.c:3421
kthread+0x3b3/0x730 kernel/kthread.c:463
ret_from_fork+0x754/0xaf0 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
INFO: task kworker/u10:24:27828 blocked for more than 144 seconds.
Tainted: G U L syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u10:24 state:D stack:26584 pid:27828 tgid:27828 ppid:2 task_flags:0x4208060 flags:0x00080000
Workqueue: ipv6_addrconf addrconf_dad_work
Call Trace:
context_switch kernel/sched/core.c:5260 [inline]
__schedule+0xfe4/0x5e10 kernel/sched/core.c:6867
__schedule_loop kernel/sched/core.c:6949 [inline]
schedule+0xdd/0x390 kernel/sched/core.c:6964
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7021
__mutex_lock_common kernel/locking/mutex.c:692 [inline]
__mutex_lock+0xc9a/0x1b90 kernel/locking/mutex.c:776
rtnl_net_lock include/linux/rtnetlink.h:130 [inline]
addrconf_dad_work+0x11f/0x1360 net/ipv6/addrconf.c:4194
process_one_work+0x9c2/0x1840 kernel/workqueue.c:3257
process_scheduled_works kernel/workqueue.c:3340 [inline]
worker_thread+0x5da/0xe40 kernel/workqueue.c:3421
kthread+0x3b3/0x730 kernel/kthread.c:463
ret_from_fork+0x754/0xaf0 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
INFO: task syz.0.4735:28471 blocked for more than 144 seconds.
Tainted: G U L syzkaller #0
Blocked by coredump.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.4735 state:D stack:27112 pid:28471 tgid:28470 ppid:25766 task_flags:0x40044c flags:0x00080003
Call Trace:
context_switch kernel/sched/core.c:5260 [inline]
__schedule+0xfe4/0x5e10 kernel/sched/core.c:6867
__schedule_loop kernel/sched/core.c:6949 [inline]
schedule+0xdd/0x390 kernel/sched/core.c:6964
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7021
__mutex_lock_common kernel/locking/mutex.c:692 [inline]
__mutex_lock+0xc9a/0x1b90 kernel/locking/mutex.c:776
tun_detach drivers/net/tun.c:634 [inline]
tun_chr_close+0x38/0x220 drivers/net/tun.c:3436
__fput+0x3ff/0xb40 fs/file_table.c:468
task_work_run+0x150/0x240 kernel/task_work.c:233
exit_task_work include/linux/task_work.h:40 [inline]
do_exit+0x829/0x2a30 kernel/exit.c:971
do_group_exit+0xd5/0x2a0 kernel/exit.c:1112
get_signal+0x1ec7/0x21e0 kernel/signal.c:3034
arch_do_signal_or_restart+0x91/0x770 arch/x86/kernel/signal.c:337
__exit_to_user_mode_loop kernel/entry/common.c:41 [inline]
exit_to_user_mode_loop+0x86/0x4b0 kernel/entry/common.c:75
__exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline]
syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:256 [inline]
syscall_exit_to_user_mode_work include/linux/entry-common.h:159 [inline]
syscall_exit_to_user_mode include/linux/entry-common.h:194 [inline]
do_syscall_64+0x4ea/0xf80 arch/x86/entry/syscall_64.c:100
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f24aa99acb9
RSP: 002b:00007f24ab7d9028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: 0000000000001000 RBX: 00007f24aac15fa0 RCX: 00007f24aa99acb9
RDX: 000000100000a3d9 RSI: 00002000000000c0 RDI: 0000000000000004
RBP: 00007f24aaa08bf7 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f24aac16038 R14: 00007f24aac15fa0 R15: 00007ffc03486dd8
INFO: task syz-executor:28481 blocked for more than 144 seconds.
Tainted: G U L syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:27640 pid:28481 tgid:28481 ppid:1 task_flags:0x400140 flags:0x00080002
Call Trace:
context_switch kernel/sched/core.c:5260 [inline]
__schedule+0xfe4/0x5e10 kernel/sched/core.c:6867
__schedule_loop kernel/sched/core.c:6949 [inline]
schedule+0xdd/0x390 kernel/sched/core.c:6964
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7021
__mutex_lock_common kernel/locking/mutex.c:692 [inline]
__mutex_lock+0xc9a/0x1b90 kernel/locking/mutex.c:776
rtnl_net_lock include/linux/rtnetlink.h:130 [inline]
inet_rtm_newaddr+0x30c/0x18b0 net/ipv4/devinet.c:978
rtnetlink_rcv_msg+0x95e/0xe90 net/core/rtnetlink.c:6958
netlink_rcv_skb+0x159/0x420 net/netlink/af_netlink.c:2550
netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
netlink_unicast+0x5aa/0x870 net/netlink/af_netlink.c:1344
netlink_sendmsg+0x8b0/0xda0 net/netlink/af_netlink.c:1894
sock_sendmsg_nosec net/socket.c:727 [inline]
__sock_sendmsg net/socket.c:742 [inline]
__sys_sendto+0x4aa/0x520 net/socket.c:2206
__do_sys_sendto net/socket.c:2213 [inline]
__se_sys_sendto net/socket.c:2209 [inline]
__x64_sys_sendto+0xe0/0x1c0 net/socket.c:2209
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xc9/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f874a15b58e
RSP: 002b:00007fff0516ff88 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 000055557216a500 RCX: 00007f874a15b58e
RDX: 0000000000000028 RSI: 00007f874af44670 RDI: 0000000000000003
RBP: 0000000000000001 R08: 00007fff05170004 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003
R13: 0000000000000000 R14: 00007f874af44670 R15: 0000000000000000
Showing all locks held in the system:
1 lock held by pool_workqueue_/3:
#0: ffffffff8e5ef8f8 (rcu_state.exp_mutex){+.+.}-{4:4}, at: exp_funnel_lock+0x27f/0x3c0 kernel/rcu/tree_exp.h:311
1 lock held by khungtaskd/31:
#0: ffffffff8e5e3120 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
#0: ffffffff8e5e3120 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:867 [inline]
#0: ffffffff8e5e3120 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x3d/0x184 kernel/locking/lockdep.c:6775
1 lock held by khugepaged/38:
#0: ffffffff8e72fa88 (lock#5){+.+.}-{4:4}, at: __lru_add_drain_all+0x6a/0x650 mm/swap.c:840
4 locks held by kworker/1:2/918:
#0: ffff888034ebd548 ((wq_completion)wg-kex-wg1#23){+.+.}-{0:0}, at: process_one_work+0x11ae/0x1840 kernel/workqueue.c:3232
#1: ffffc90003737c98 ((work_completion)(&({ do { const void __seg_gs *__vpp_verify = (typeof((worker) + 0))((void *)0); (void)__vpp_verify; } while (0); ({ unsigned long __ptr; __asm__ ("" : "=r"(__ptr) : "0"((__typeof_unqual__(*((worker))) *)(( unsigned long)((worker))))); (typeof((__typeof_unqual__(*((worker))) *)(( unsigned long)((worker))))) (__ptr + (((__per_cpu_offset[(cpu)])))); }); })->work)){+.+.}-{0:0}, at: process_one_work+0x927/0x1840 kernel/workqueue.c:3233
#2: ffff888022ab5308 (&wg->static_identity.lock){++++}-{4:4}, at: wg_noise_handshake_consume_initiation+0x1c2/0x860 drivers/net/wireguard/noise.c:598
#3: ffff88803400bea8 (&handshake->lock){++++}-{4:4}, at: wg_noise_handshake_consume_initiation+0x5ac/0x860 drivers/net/wireguard/noise.c:632
1 lock held by dhcpcd/5490:
#0: ffffffff903f59a8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline]
#0: ffffffff903f59a8 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newroute+0x148/0x210 net/ipv4/fib_frontend.c:922
2 locks held by syz-executor/5811:
#0: ffff88807b6ec448 (vm_lock){++++}-{0:0}, at: lock_vma_under_rcu+0x11d/0x5a0 mm/mmap_lock.c:259
#1: ffff888033468518 (sb_pagefaults){.+.+}-{0:0}, at: do_page_mkwrite+0x17a/0x440 mm/memory.c:3531
3 locks held by kworker/0:3/5907:
3 locks held by kworker/u10:3/6371:
3 locks held by kworker/u10:14/10007:
4 locks held by kworker/u10:25/10019:
3 locks held by kworker/u10:28/10022:
4 locks held by kworker/u10:29/10023:
3 locks held by kworker/u10:31/10026:
3 locks held by kworker/0:6/11928:
#0: ffff88813fe15948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x11ae/0x1840 kernel/workqueue.c:3232
#1: ffffc90003e4fc98 (deferred_process_work){+.+.}-{0:0}, at: process_one_work+0x927/0x1840 kernel/workqueue.c:3233
#2: ffffffff903f59a8 (rtnl_mutex){+.+.}-{4:4}, at: switchdev_deferred_process_work+0xe/0x20 net/switchdev/switchdev.c:104
4 locks held by kworker/1:0/19023:
#0: ffff88813fe16948 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work+0x11ae/0x1840 kernel/workqueue.c:3232
#1: ffffc90003d3fc98 ((reg_check_chans).work){+.+.}-{0:0}, at: process_one_work+0x927/0x1840 kernel/workqueue.c:3233
#2: ffffffff903f59a8 (rtnl_mutex){+.+.}-{4:4}, at: reg_check_chans_work+0x91/0x10e0 net/wireless/reg.c:2453
#3: ffff88803dc30788 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6360 [inline]
#3: ffff88803dc30788 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: reg_leave_invalid_chans net/wireless/reg.c:2441 [inline]
#3: ffff88803dc30788 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: reg_check_chans_work+0x12c/0x10e0 net/wireless/reg.c:2456
2 locks held by getty/22629:
#0: ffff888036cb50a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc90002e762f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x419/0x1500 drivers/tty/n_tty.c:2211
1 lock held by syz.6.3977/24758:
#0: ffffffff903f59a8 (rtnl_mutex){+.+.}-{4:4}, at: tun_detach drivers/net/tun.c:634 [inline]
#0: ffffffff903f59a8 (rtnl_mutex){+.+.}-{4:4}, at: tun_chr_close+0x38/0x220 drivers/net/tun.c:3436
3 locks held by kworker/u10:0/27799:
3 locks held by kworker/u10:2/27802:
4 locks held by kworker/u10:4/27804:
#0: ffff8880364f4148 ((wq_completion)ext4-rsv-conversion){+.+.}-{0:0}, at: process_one_work+0x11ae/0x1840 kernel/workqueue.c:3232
#1: ffffc9000c6afc98 ((work_completion)(&ei->i_rsv_conversion_work)){+.+.}-{0:0}, at: process_one_work+0x927/0x1840 kernel/workqueue.c:3233
#2: ffff88803346c950 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xfaa/0x13a0 fs/jbd2/transaction.c:444
#3: ffff88807e641f50 (&ei->i_data_sem){++++}-{4:4}, at: ext4_map_blocks+0x469/0x13c0 fs/ext4/inode.c:815
4 locks held by kworker/u10:7/27806:
#0: ffff88801c29f148 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x11ae/0x1840 kernel/workqueue.c:3232
#1: ffffc9000cc17c98 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x927/0x1840 kernel/workqueue.c:3233
#2: ffffffff903dd070 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0xab/0x830 net/core/net_namespace.c:670
#3: ffffffff903f59a8 (rtnl_mutex){+.+.}-{4:4}, at: ops_exit_rtnl_list net/core/net_namespace.c:173 [inline]
#3: ffffffff903f59a8 (rtnl_mutex){+.+.}-{4:4}, at: ops_undo_list+0x7ec/0xab0 net/core/net_namespace.c:248
3 locks held by kworker/u10:8/27807:
6 locks held by kworker/u10:9/27808:
4 locks held by kworker/u10:10/27809:
4 locks held by kworker/u10:11/27810:
4 locks held by kworker/u10:12/27811:
4 locks held by kworker/u10:13/27812:
#0: ffff888035272948 ((wq_completion)wg-kex-wg1#24){+.+.}-{0:0}, at: process_one_work+0x11ae/0x1840 kernel/workqueue.c:3232
#1: ffffc9000cc8fc98 ((work_completion)(&peer->transmit_handshake_work)){+.+.}-{0:0}, at: process_one_work+0x927/0x1840 kernel/workqueue.c:3233
#2: ffff888022ab5308 (&wg->static_identity.lock){++++}-{4:4}, at: wg_noise_handshake_create_initiation+0xec/0x610 drivers/net/wireguard/noise.c:529
#3: ffff88803400bea8 (&handshake->lock){++++}-{4:4}, at: wg_noise_handshake_create_initiation+0x100/0x610 drivers/net/wireguard/noise.c:530
3 locks held by kworker/u10:15/27813:
3 locks held by kworker/u10:16/27814:
3 locks held by kworker/u10:17/27815:
3 locks held by kworker/u10:18/27816:
2 locks held by kworker/u10:19/27817:
3 locks held by kworker/u10:21/27819:
3 locks held by kworker/u10:24/27828:
#0: ffff88803177a148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x11ae/0x1840 kernel/workqueue.c:3232
#1: ffffc9000dbafc98 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x927/0x1840 kernel/workqueue.c:3233
#2: ffffffff903f59a8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline]
#2: ffffffff903f59a8 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_dad_work+0x11f/0x1360 net/ipv6/addrconf.c:4194
2 locks held by kworker/u10:26/27840:
1 lock held by syz-executor/28132:
#0: ffffffff903f59a8 (rtnl_mutex){+.+.}-{4:4}, at: tun_detach drivers/net/tun.c:634 [inline]
#0: ffffffff903f59a8 (rtnl_mutex){+.+.}-{4:4}, at: tun_chr_close+0x38/0x220 drivers/net/tun.c:3436
2 locks held by kworker/0:2/28377:
1 lock held by syz.2.4728/28433:
#0: ffffffff903f59a8 (rtnl_mutex){+.+.}-{4:4}, at: tun_detach drivers/net/tun.c:634 [inline]
#0: ffffffff903f59a8 (rtnl_mutex){+.+.}-{4:4}, at: tun_chr_close+0x38/0x220 drivers/net/tun.c:3436
1 lock held by syz.0.4735/28471:
#0: ffffffff903f59a8 (rtnl_mutex){+.+.}-{4:4}, at: tun_detach drivers/net/tun.c:634 [inline]
#0: ffffffff903f59a8 (rtnl_mutex){+.+.}-{4:4}, at: tun_chr_close+0x38/0x220 drivers/net/tun.c:3436
1 lock held by syz-executor/28481:
#0: ffffffff903f59a8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline]
#0: ffffffff903f59a8 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x30c/0x18b0 net/ipv4/devinet.c:978
1 lock held by syz-executor/28510:
#0: ffffffff903f59a8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline]
#0: ffffffff903f59a8 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x30c/0x18b0 net/ipv4/devinet.c:978
1 lock held by syz-executor/28512:
#0: ffffffff903f59a8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline]
#0: ffffffff903f59a8 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x30c/0x18b0 net/ipv4/devinet.c:978
1 lock held by syz-executor/28517:
#0: ffffffff903f59a8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline]
#0: ffffffff903f59a8 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x30c/0x18b0 net/ipv4/devinet.c:978
1 lock held by syz-executor/28521:
#0: ffffffff903f59a8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline]
#0: ffffffff903f59a8 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x30c/0x18b0 net/ipv4/devinet.c:978
1 lock held by syz-executor/28538:
#0: ffffffff903f59a8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline]
#0: ffffffff903f59a8 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x30c/0x18b0 net/ipv4/devinet.c:978
3 locks held by kworker/0:7/28546:
2 locks held by kworker/0:8/28550:
1 lock held by syz-executor/28553:
#0: ffffffff903f59a8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline]
#0: ffffffff903f59a8 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x30c/0x18b0 net/ipv4/devinet.c:978
1 lock held by syz-executor/28554:
#0: ffffffff903f59a8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline]
#0: ffffffff903f59a8 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x30c/0x18b0 net/ipv4/devinet.c:978
1 lock held by syz-executor/28559:
#0: ffffffff903f59a8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline]
#0: ffffffff903f59a8 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x30c/0x18b0 net/ipv4/devinet.c:978
=============================================
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Tainted: G U L syzkaller #0 PREEMPT(full)
Tainted: [U]=USER, [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120
nmi_cpu_backtrace.cold+0x12d/0x151 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x1d7/0x230 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:161 [inline]
__sys_info lib/sys_info.c:157 [inline]
sys_info+0x141/0x190 lib/sys_info.c:165
check_hung_uninterruptible_tasks kernel/hung_task.c:346 [inline]
watchdog+0xcc3/0xfe0 kernel/hung_task.c:515
kthread+0x3b3/0x730 kernel/kthread.c:463
ret_from_fork+0x754/0xaf0 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 10028 Comm: kworker/u10:33 Tainted: G U L syzkaller #0 PREEMPT(full)
Tainted: [U]=USER, [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
Workqueue: events_unbound nsim_dev_trap_report_work
RIP: 0010:lookup_chain_cache kernel/locking/lockdep.c:3802 [inline]
RIP: 0010:lookup_chain_cache_add kernel/locking/lockdep.c:3821 [inline]
RIP: 0010:validate_chain kernel/locking/lockdep.c:3876 [inline]
RIP: 0010:__lock_acquire+0x879/0x2630 kernel/locking/lockdep.c:5237
Code: 4d 0f af e7 49 c1 ec 2d 4a 8b 04 e5 20 2b 28 97 4e 8d 34 e5 20 2b 28 97 48 85 c0 74 1f 48 83 e8 08 48 85 c0 74 16 48 8b 50 18 <49> 39 d7 0f 84 a7 fd ff ff 48 8b 40 08 48 85 c0 75 e1 8b 0d ef e9
RSP: 0018:ffffc90000006f98 EFLAGS: 00000086
RAX: ffffffff9407bfc0 RBX: ffff88806b790c20 RCX: 0000000000000006
RDX: ff90e269a8ba5611 RSI: 000000002ccbee8a RDI: 000000007b1acaee
RBP: ffff88806b790000 R08: 000000004e4edc64 R09: 000000000000088b
R10: 0000000000000006 R11: 0000000000000000 R12: 00000000000009ae
R13: 000000000000088b R14: ffffffff97287890 R15: 82f034c6c79355e4
FS: 0000000000000000(0000) GS:ffff8881245e3000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32524000 CR3: 000000000e392000 CR4: 00000000003526f0
Call Trace:
lock_acquire kernel/locking/lockdep.c:5868 [inline]
lock_acquire+0x17c/0x330 kernel/locking/lockdep.c:5825
__raw_read_lock_bh include/linux/rwlock_api_smp.h:176 [inline]
_raw_read_lock_bh+0x3f/0x70 kernel/locking/spinlock.c:252
ebt_do_table+0xe8/0x2250 net/bridge/netfilter/ebtables.c:211
nf_hook_entry_hookfn include/linux/netfilter.h:158 [inline]
nf_hook_slow+0xbf/0x220 net/netfilter/core.c:623
nf_hook include/linux/netfilter.h:273 [inline]
NF_HOOK include/linux/netfilter.h:316 [inline]
__br_forward+0x2f6/0x970 net/bridge/br_forward.c:115
deliver_clone net/bridge/br_forward.c:131 [inline]
maybe_deliver+0xf0/0x180 net/bridge/br_forward.c:191
br_flood+0x193/0x650 net/bridge/br_forward.c:238
br_handle_frame_finish+0xf57/0x1f00 net/bridge/br_input.c:229
br_nf_hook_thresh+0x30d/0x420 net/bridge/br_netfilter_hooks.c:1167
br_nf_pre_routing_finish_ipv6+0x769/0xfb0 net/bridge/br_netfilter_ipv6.c:154
NF_HOOK include/linux/netfilter.h:318 [inline]
br_nf_pre_routing_ipv6+0x39c/0x8b0 net/bridge/br_netfilter_ipv6.c:184
__schedule_loop kernel/sched/core.c:6949 [inline]
schedule+0xdd/0x390 kernel/sched/core.c:6964
do_wait+0x1a7/0x540 kernel/exit.c:1721
kernel_wait4+0x16d/0x280 kernel/exit.c:1875
zap_pid_ns_processes+0x2ca/0x6a0 kernel/pid_namespace.c:244
find_child_reaper kernel/exit.c:622 [inline]
forget_original_parent kernel/exit.c:706 [inline]
exit_notify kernel/exit.c:743 [inline]
do_exit+0x22da/0x2a30 kernel/exit.c:983
do_group_exit+0xd5/0x2a0 kernel/exit.c:1112
get_signal+0x1ec7/0x21e0 kernel/signal.c:3034
arch_do_signal_or_restart+0x91/0x770 arch/x86/kernel/signal.c:337
__exit_to_user_mode_loop kernel/entry/common.c:41 [inline]
exit_to_user_mode_loop+0x86/0x4b0 kernel/entry/common.c:75
__exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline]
syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:256 [inline]
syscall_exit_to_user_mode_work include/linux/entry-common.h:159 [inline]
syscall_exit_to_user_mode include/linux/entry-common.h:194 [inline]
do_syscall_64+0x4ea/0xf80 arch/x86/entry/syscall_64.c:100
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0379b5b58e
RSP: 002b:00007ffd7c73ccd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: fffffffffffffe00 RBX: 00005555850d0500 RCX: 00007f0379b5b58e
RDX: 0000000000000030 RSI: 00007ffd7c73cdd0 RDI: 00000000000000f9
RBP: 00007ffd7c73cd7c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000229
R13: 00005555850e39f0 R14: 000000000012d784 R15: 00007ffd7c73cdd0
task:krxrpcio/7001 state:S stack:30456 pid:18245 tgid:18245 ppid:2 task_flags:0x208040 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5260 [inline]
__schedule+0xfe4/0x5e10 kernel/sched/core.c:6867
__schedule_loop kernel/sched/core.c:6949 [inline]
schedule+0xdd/0x390 kernel/sched/core.c:6964
rxrpc_io_thread+0x18c1/0x38b0 net/rxrpc/io_thread.c:593
kthread+0x3b3/0x730 kernel/kthread.c:463
ret_from_fork+0x754/0xaf0 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
task:kworker/R-wg-cr state:I stack:30088 pid:18258 tgid:18258 ppid:2 task_flags:0x4208060 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5260 [inline]
__schedule+0xfe4/0x5e10 kernel/sched/core.c:6867
__schedule_loop kernel/sched/core.c:6949 [inline]
schedule+0xdd/0x390 kernel/sched/core.c:6964
rescuer_thread+0x803/0xf40 kernel/workqueue.c:3581
kthread+0x3b3/0x730 kernel/kthread.c:463
ret_from_fork+0x754/0xaf0 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
task:kworker/R-wg-cr state:I stack:30088 pid:18259 tgid:18259 ppid:2 task_flags:0x4208060 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5260 [inline]
__schedule+0xfe4/0x5e10 kernel/sched/core.c:6867
__schedule_loop kernel/sched/core.c:6949 [inline]
schedule+0xdd/0x390 kernel/sched/core.c:6964
rescuer_thread+0x803/0xf40 kernel/workqueue.c:3581
kthread+0x3b3/0x730 kernel/kthread.c:463
ret_from_fork+0x754/0xaf0 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
task:kworker/R-wg-cr state:I stack:30984 pid:18260 tgid:18260 ppid:2 task_flags:0x4208060 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5260 [inline]
__schedule+0xfe4/0x5e10 kernel/sched/core.c:6867
__schedule_loop kernel/sched/core.c:6949 [inline]
schedule+0xdd/0x390 kernel/sched/core.c:6964
rescuer_thread+0x803/0xf40 kernel/workqueue.c:3581
kthread+0x3b3/0x730 kernel/kthread.c:463
ret_from_fork+0x754/0xaf0 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
task:napi/wg0-0 state:S stack:29448 pid:18371 tgid:18371 ppid:2 task_flags:0x208040 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5260 [inline]
__schedule+0xfe4/0x5e10 kernel/sched/core.c:6867
__schedule_loop kernel/sched/core.c:6949 [inline]
schedule+0xdd/0x390 kernel/sched/core.c:6964
napi_thread_wait net/core/dev.c:7775 [inline]
napi_threaded_poll+0xf1/0x3f0 net/core/dev.c:7838
kthread+0x3b3/0x730 kernel/kthread.c:463
ret_from_fork+0x754/0xaf0 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
task:napi/wg0-0 state:S stack:29448 pid:18373 tgid:18373 ppid:2 task_flags:0x208040 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5260 [inline]
__schedule+0xfe4/0x5e10 kernel/sched/core.c:6867
__schedule_loop kernel/sched/core.c:6949 [inline]
schedule+0xdd/0x390 kernel/sched/core.c:6964
napi_thread_wait net/core/dev.c:7775 [inline]
napi_threaded_poll+0xf1/0x3f0 net/core/dev.c:7838
kthread+0x3b3/0x730 kernel/kthread.c:463
ret_from_fork+0x754/0xaf0 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
task:napi/wg1-0 state:S stack:29448 pid:18374 tgid:18374 ppid:2 task_flags:0x208040 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5260 [inline]
__schedule+0xfe4/0x5e10 kernel/sched/core.c:6867
__schedule_loop kernel/sched/core.c:6949 [inline]
schedule+0xdd/0x390 kernel/sched/core.c:6964
napi_thread_wait net/core/dev.c:7775 [inline]
napi_threaded_poll+0xf1/0x3f0 net/core/dev.c:7838
kthread+0x3b3/0x730 kernel/kthread.c:463
ret_from_fork+0x754/0xaf0 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
task:napi/wg1-0 state:S stack:27064 pid:18375 tgid:18375 ppid:2 task_flags:0x208040 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5260 [inline]
__schedule+0xfe4/0x5e10 kernel/sched/core.c:6867
__schedule_loop kernel/sched/core.c:6949 [inline]
schedule+0xdd/0x390 kernel/sched/core.c:6964
napi_thread_wait net/core/dev.c:7775 [inline]
napi_threaded_poll+0xf1/0x3f0 net/core/dev.c:7838
kthread+0x3b3/0x730 kernel/kthread.c:463
ret_from_fork+0x754/0xaf0 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
task:napi/wg2-0 state:S stack:29448 pid:18376 tgid:18376 ppid:2 task_flags:0x208040 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5260 [inline]
__schedule+0xfe4/0x5e10 kernel/sched/core.c:6867
__schedule_loop kernel/sched/core.c:6949 [inline]
schedule+0xdd/0x390 kernel/sched/core.c:6964
napi_thread_wait net/core/dev.c:7775 [inline]
napi_threaded_poll+0xf1/0x3f0 net/core/dev.c:7838
kthread+0x3b3/0x730 kernel/kthread.c:463
ret_from_fork+0x754/0xaf0 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
task:napi/wg2-0 state:S stack:27064 pid:18377 tgid:18377 ppid:2 task_flags:0x208040 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5260 [inline]
__schedule+0xfe4/0x5e10 kernel/sched/core.c:6867
__schedule_loop kernel/sched/core.c:6949 [inline]
schedule+0xdd/0x390 kernel/sched/core.c:6964
napi_thread_wait net/core/dev.c:7775 [inline]
napi_threaded_poll+0xf1/0x3f0 net/core/dev.c:7838
kthread+0x3b3/0x730 kernel/kthread.c:463
ret_from_fork+0x754/0xaf0 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
task:dhcpcd state:S stack:27144 pid:18626 tgid:18626 ppid:5490 task_flags:0x400140 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5260 [inline]
__schedule+0xfe4/0x5e10 kernel/sched/core.c:6867
__schedule_loop kernel/sched/core.c:6949 [inline]
schedule+0xdd/0x390 kernel/sched/core.c:6964
schedule_hrtimeout_range_clock+0x2d8/0x320 kernel/time/sleep_timeout.c:207
poll_schedule_timeout.constprop.0+0xbe/0x1b0 fs/select.c:241
do_poll fs/select.c:954 [inline]
do_sys_poll+0x9ab/0xeb0 fs/select.c:1005
__do_sys_ppoll fs/select.c:1111 [inline]
__se_sys_ppoll fs/select.c:1091 [inline]
__x64_sys_ppoll+0x2b5/0x350 fs/select.c:1091
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xc9/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7331ab6407
RSP: 002b:00007ffeffbcd2c0 EFLAGS: 00000202 ORIG_RAX: 000000000000010f
RAX: ffffffffffffffda RBX: 00007f7331a2c740 RCX: 00007f7331ab6407
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000555cb6a8afb0
RBP: 00007ffeffbcd600 R08: 0000000000000008 R09: 0000000000000000
R10: 00007ffeffbcd600 R11: 0000000000000202 R12: 0000555c776ec5e0
R13: 0000555cb6a7ed40 R14: 0000000000000000 R15: 00007ffeffbcd3b0
task:dhcpcd state:S stack:27144 pid:18645 tgid:18645 ppid:5490 task_flags:0x400140 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5260 [inline]
__schedule+0xfe4/0x5e10 kernel/sched/core.c:6867
__schedule_loop kernel/sched/core.c:6949 [inline]
schedule+0xdd/0x390 kernel/sched/core.c:6964
schedule_hrtimeout_range_clock+0x2d8/0x320 kernel/time/sleep_timeout.c:207
poll_schedule_timeout.constprop.0+0xbe/0x1b0 fs/select.c:241
do_poll fs/select.c:954 [inline]
do_sys_poll+0x9ab/0xeb0 fs/select.c:1005
__do_sys_ppoll fs/select.c:1111 [inline]
__se_sys_ppoll fs/select.c:1091 [inline]
__x64_sys_ppoll+0x2b5/0x350 fs/select.c:1091
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xc9/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7331ab6407
RSP: 002b:00007ffeffbcd2c0 EFLAGS: 00000202 ORIG_RAX: 000000000000010f
RAX: ffffffffffffffda RBX: 00007f7331a2c740 RCX: 00007f7331ab6407
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000555cb6a8afb0
RBP: 00007ffeffbcd600 R08: 0000000000000008 R09: 0000000000000000
R10: 00007ffeffbcd600 R11: 0000000000000202 R12: 0000555c776ec5e0
R13: 0000555cb6a7ed40 R14: 0000000000000000 R15: 00007ffeffbcd3b0
task:dhcpcd state:S stack:27144 pid:18646 tgid:18646 ppid:5490 task_flags:0x400140 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5260 [inline]
__schedule+0xfe4/0x5e10 kernel/sched/core.c:6867
__schedule_loop kernel/sched/core.c:6949 [inline]
schedule+0xdd/0x390 kernel/sched/core.c:6964
schedule_hrtimeout_range_clock+0x2d8/0x320 kernel/time/sleep_timeout.c:207
poll_schedule_timeout.constprop.0+0xbe/0x1b0 fs/select.c:241
do_poll fs/select.c:954 [inline]
do_sys_poll+0x9ab/0xeb0 fs/select.c:1005
__do_sys_ppoll fs/select.c:1111 [inline]
__se_sys_ppoll fs/select.c:1091 [inline]
__x64_sys_ppoll+0x2b5/0x350 fs/select.c:1091
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xc9/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7331ab6407
RSP: 002b:00007ffeffbcd2c0 EFLAGS: 00000202 ORIG_RAX: 000000000000010f
RAX: ffffffffffffffda RBX: 00007f7331a2c740 RCX: 00007f7331ab6407
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000555cb6a8afb0
RBP: 00007ffeffbcd600 R08: 0000000000000008 R09: 0000000000000000
R10: 00007ffeffbcd600 R11: 0000000000000202 R12: 0000555c776ec5e0
R13: 0000555cb6a7ed40 R14: 0000000000000000 R15: 00007ffeffbcd3b0
task:dhcpcd state:S stack:26056 pid:18647 tgid:18647 ppid:5490 task_flags:0x400140 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5260 [inline]
__schedule+0xfe4/0x5e10 kernel/sched/core.c:6867
__schedule_loop kernel/sched/core.c:6949 [inline]
schedule+0xdd/0x390 kernel/sched/core.c:6964
schedule_hrtimeout_range_clock+0x2d8/0x320 kernel/time/sleep_timeout.c:207
poll_schedule_timeout.constprop.0+0xbe/0x1b0 fs/select.c:241
do_poll fs/select.c:954 [inline]
do_sys_poll+0x9ab/0xeb0 fs/select.c:1005
__do_sys_ppoll fs/select.c:1111 [inline]
__se_sys_ppoll fs/select.c:1091 [inline]
__x64_sys_ppoll+0x2b5/0x350 fs/select.c:1091
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xc9/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7331ab6407
RSP: 002b:00007ffeffbcd2c0 EFLAGS: 00000202 ORIG_RAX: 000000000000010f
RAX: ffffffffffffffda RBX: 00007f7331a2c740 RCX: 00007f7331ab6407
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000555cb6a8afb0
RBP: 00007ffeffbcd600 R08: 0000000000000008 R09: 0000000000000000
R10: 00007ffeffbcd600 R11: 0000000000000202 R12: 0000555c776ec5e0
R13: 0000555cb6a7ed40 R14: 0000000000000000 R15: 00007ffeffbcd3b0
task:dhcpcd state:S stack:27144 pid:18694 tgid:18694 ppid:5490 task_flags:0x400140 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5260 [inline]
__schedule+0xfe4/0x5e10 kernel/sched/core.c:6867
__schedule_loop kernel/sched/core.c:6949 [inline]
schedule+0xdd/0x390 kernel/sched/core.c:6964
schedule_hrtimeout_range_clock+0x2d8/0x320 kernel/time/sleep_timeout.c:207
poll_schedule_timeout.constprop.0+0xbe/0x1b0 fs/select.c:241
do_poll fs/select.c:954 [inline]
do_sys_poll+0x9ab/0xeb0 fs/select.c:1005
__do_sys_ppoll fs/select.c:1111 [inline]
__se_sys_ppoll fs/select.c:1091 [inline]
__x64_sys_ppoll+0x2b5/0x350 fs/select.c:1091
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xc9/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7331ab6407
RSP: 002b:00007ffeffbcd2c0 EFLAGS: 00000202 ORIG_RAX: 000000000000010f
RAX: ffffffffffffffda RBX: 00007f7331a2c740 RCX: 00007f7331ab6407
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000555cb6a8afb0
RBP: 00007ffeffbcd600 R08: 0000000000000008 R09: 0000000000000000
R10: 00007ffeffbcd600 R11: 0000000000000202 R12: 0000555c776ec5e0
R13: 0000555cb6a7ed40 R14: 0000000000000000 R15: 00007ffeffbcd3b0
task:dhcpcd state:S stack:27144 pid:18716 tgid:18716 ppid:5490 task_flags:0x400140 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5260 [inline]
__schedule+0xfe4/0x5e10 kernel/sched/core.c:6867
__schedule_loop kernel/sched/core.c:6949 [inline]
schedule+0xdd/0x390 kernel/sched/core.c:6964
schedule_hrtimeout_range_clock+0x2d8/0x320 kernel/time/sleep_timeout.c:207
poll_schedule_timeout.constprop.0+0xbe/0x1b0 fs/select.c:241
do_poll fs/select.c:954 [inline]
do_sys_poll+0x9ab/0xeb0 fs/select.c:1005
__do_sys_ppoll fs/select.c:1111 [inline]
__se_sys_ppoll fs/select.c:1091 [inline]
__x64_sys_ppoll+0x2b5/0x350 fs/select.c:1091
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xc9/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7331ab6407
RSP: 002b:00007ffeffbcd2c0 EFLAGS: 00000202 ORIG_RAX: 000000000000010f
RAX: ffffffffffffffda RBX: 00007f7331a2c740 RCX: 00007f7331ab6407
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000555cb6a8afb0
RBP: 00007ffeffbcd600 R08: 0000000000000008 R09: 0000000000000000
R10: 00007ffeffbcd600 R11: 0000000000000202 R12: 0000555c776ec5e0
R13: 0000555cb6a7ed40 R14: 0000000000000000 R15: 00007ffeffbcd3b0
task:dhcpcd state:S stack:27144 pid:18719 tgid:18719 ppid:5490 task_flags:0x400140 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5260 [inline]
__schedule+0xfe4/0x5e10 kernel/sched/core.c:6867
__schedule_loop kernel/sched/core.c:6949 [inline]
schedule+0xdd/0x390 kernel/sched/core.c:6964
schedule_hrtimeout_range_clock+0x2d8/0x320 kernel/time/sleep_timeout.c:207
poll_schedule_timeout.constprop.0+0xbe/0x1b0 fs/select.c:241
do_poll fs/select.c:954 [inline]
do_sys_poll+0x9ab/0xeb0 fs/select.c:1005
__do_sys_ppoll fs/select.c:1111 [inline]
__se_sys_ppoll fs/select.c:1091 [inline]
__x64_sys_ppoll+0x2b5/0x350 fs/select.c:1091
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xc9/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7331ab6407
RSP: 002b:00007ffeffbcd2c0 EFLAGS: 00000202 ORIG_RAX: 000000000000010f
RAX: ffffffffffffffda RBX: 00007f7331a2c740 RCX: 00007f7331ab6407
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000555cb6a8afb0
RBP: 00007ffeffbcd600 R08: 0000000000000008 R09: 0000000000000000
R10: 00007ffeffbcd600 R11: 0000000000000202 R12: 0000555c776ec5e0
R13: 0000555cb6a7ed40 R14: 0000000000000000 R15: 00007ffeffbcd3b0
task:dhcpcd state:S stack:27144 pid:18727 tgid:18727 ppid:5490 task_flags:0x400140 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5260 [inline]
__schedule+0xfe4/0x5e10 kernel/sched/core.c:6867
__schedule_loop kernel/sched/core.c:6949 [inline]
schedule+0xdd/0x390 kernel/sched/core.c:6964
schedule_hrtimeout_range_clock+0x2d8/0x320 kernel/time/sleep_timeout.c:207
poll_schedule_timeout.constprop.0+0xbe/0x1b0 fs/select.c:241
do_poll fs/select.c:954 [inline]
do_sys_poll+0x9ab/0xeb0 fs/select.c:1005
__do_sys_ppoll fs/select.c:1111 [inline]
__se_sys_ppoll fs/select.c:1091 [inline]
__x64_sys_ppoll+0x2b5/0x350 fs/select.c:1091
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xc9/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7331ab6407
RSP: 002b:00007ffeffbcd2c0 EFLAGS: 00000202 ORIG_RAX: 000000000000010f
RAX: ffffffffffffffda RBX: 00007f7331a2c740 RCX: 00007f7331ab6407
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000555cb6a8afb0
RBP: 00007ffeffbcd600 R08: 0000000000000008 R09: 0000000000000000
R10: 00007ffeffbcd600 R11: 0000000000000202 R12: 0000555c776ec5e0
R13: 0000555cb6a7ed40 R14: 0000000000000000 R15: 00007ffeffbcd3b0
task:kworker/1:0 state:D stack:25864 pid:19023 tgid:19023 ppid:2 task_flags:0x4208060 flags:0x00080000
Workqueue: events_power_efficient reg_check_chans_work
Call Trace:
context_switch kernel/sched/core.c:5260 [inline]
__schedule+0xfe4/0x5e10 kernel/sched/core.c:6867
__schedule_loop kernel/sched/core.c:6949 [inline]
schedule+0xdd/0x390 kernel/sched/core.c:6964
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7021
__mutex_lock_common kernel/locking/mutex.c:692 [inline]
__mutex_lock+0xc9a/0x1b90 kernel/locking/mutex.c:776
class_wiphy_constructor include/net/cfg80211.h:6360 [inline]
reg_leave_invalid_chans net/wireless/reg.c:2441 [inline]
reg_check_chans_work+0x12c/0x10e0 net/wireless/reg.c:2456
process_one_work+0x9c2/0x1840 kernel/workqueue.c:3257
process_scheduled_works kernel/workqueue.c:3340 [inline]
worker_thread+0x5da/0xe40 kernel/workqueue.c:3421
kthread+0x3b3/0x730 kernel/kthread.c:463
ret_from_fork+0x754/0xaf0 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
task:kworker/1:0H state:I stack:26944 pid:19438 tgid:19438 ppid:2 task_flags:0x4208060 flags:0x00080000
Workqueue: 0x0 (events_highpri)
Call Trace:
context_switch kernel/sched/core.c:5260 [inline]
__schedule+0xfe4/0x5e10 kernel/sched/core.c:6867
__schedule_loop kernel/sched/core.c:6949 [inline]
schedule+0xdd/0x390 kernel/sched/core.c:6964
worker_thread+0x526/0xe40 kernel/workqueue.c:3436
kthread+0x3b3/0x730 kernel/kthread.c:463
ret_from_fork+0x754/0xaf0 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
task:getty state:S stack:25736 pid:22629 tgid:22629 ppid:1 task_flags:0x400000 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5260 [inline]
__schedule+0xfe4/0x5e10 kernel/sched/core.c:6867
__schedule_loop kernel/sched/core.c:6949 [inline]
schedule+0xdd/0x390 kernel/sched/core.c:6964
schedule_timeout+0x1b2/0x280 kernel/time/sleep_timeout.c:75
wait_woken+0x172/0x1c0 kernel/sched/wait.c:442
n_tty_wait_for_input drivers/tty/n_tty.c:2158 [inline]
n_tty_read+0xe81/0x1500 drivers/tty/n_tty.c:2253
iterate_tty_read drivers/tty/tty_io.c:847 [inline]
tty_read+0x2cf/0x550 drivers/tty/tty_io.c:922
new_sync_read fs/read_write.c:491 [inline]
vfs_read+0x825/0xb30 fs/read_write.c:572
ksys_read+0x12a/0x250 fs/read_write.c:715
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xc9/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8d89ff4407
RSP: 002b:00007ffe478b5c60 EFLAGS: 00000202 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f8d89ea4c80 RCX: 00007f8d89ff4407
RDX: 0000000000000001 RSI: 00007ffe478b5cc0 RDI: 0000000000000000
RBP: 0000558aa328f9ac R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000558aa328f9ac
R13: 0000000000000000 R14: 0000000000000002 R15: 0000000000000002
task:kworker/u11:0 state:I stack:27272 pid:22674 tgid:22674 ppid:2 task_flags:0x4208060 flags:0x00080000
Workqueue: 0x0 (hci5)
Call Trace:
context_switch kernel/sched/core.c:5260 [inline]
__schedule+0xfe4/0x5e10 kernel/sched/core.c:6867
__schedule_loop kernel/sched/core.c:6949 [inline]
schedule+0xdd/0x390 kernel/sched/core.c:6964
worker_thread+0x526/0xe40 kernel/workqueue.c:3436
kthread+0x3b3/0x730 kernel/kthread.c:463
ret_from_fork+0x754/0xaf0 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
task:syz.6.3977 state:D stack:26184 pid:24758 tgid:24758 ppid:18240 task_flags:0x40044c flags:0x00080003
Call Trace:
context_switch kernel/sched/core.c:5260 [inline]
__schedule+0xfe4/0x5e10 kernel/sched/core.c:6867
__schedule_loop kernel/sched/core.c:6949 [inline]
schedule+0xdd/0x390 kernel/sched/core.c:6964
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7021
__mutex_lock_common kernel/locking/mutex.c:692 [inline]
__mutex_lock+0xc9a/0x1b90 kernel/locking/mutex.c:776
tun_detach drivers/net/tun.c:634 [inline]
tun_chr_close+0x38/0x220 drivers/net/tun.c:3436
__fput+0x3ff/0xb40 fs/file_table.c:468
task_work_run+0x150/0x240 kernel/task_work.c:233
exit_task_work include/linux/task_work.h:40 [inline]
do_exit+0x829/0x2a30 kernel/exit.c:971
do_group_exit+0xd5/0x2a0 kernel/exit.c:1112
get_signal+0x1ec7/0x21e0 kernel/signal.c:3034
arch_do_signal_or_restart+0x91/0x770 arch/x86/kernel/signal.c:337
__exit_to_user_mode_loop kernel/entry/common.c:41 [inline]
exit_to_user_mode_loop+0x86/0x4b0 kernel/entry/common.c:75
__exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline]
syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:256 [inline]
syscall_exit_to_user_mode_work include/linux/entry-common.h:159 [inline]
syscall_exit_to_user_mode include/linux/entry-common.h:194 [inline]
do_syscall_64+0x4ea/0xf80 arch/x86/entry/syscall_64.c:100
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0379b5b58e
RSP: 002b:00007f037a983f58 EFLAGS: 00000246 ORIG_RAX: 00000000000000e6
RAX: fffffffffffffdfc RBX: 00007f037a9846c0 RCX: 00007f0379b5b58e
RDX: 00007f037a983fb0 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f0379c08bf7 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f0379e16038 R14: 00007f0379e15fa0 R15: 00007ffd7c73c9d8
task:kworker/1:1H state:I stack:27688 pid:25241 tgid:25241 ppid:2 task_flags:0x4208060 flags:0x00080000
Workqueue: 0x0 (kblockd)
Call Trace:
context_switch kernel/sched/core.c:5260 [inline]
__schedule+0xfe4/0x5e10 kernel/sched/core.c:6867
__schedule_loop kernel/sched/core.c:6949 [inline]
schedule+0xdd/0x390 kernel/sched/core.c:6964
worker_thread+0x526/0xe40 kernel/workqueue.c:3436
kthread+0x3b3/0x730 kernel/kthread.c:463
ret_from_fork+0x754/0xaf0 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
task:kworker/0:2H state:I stack:29464 pid:25321 tgid:25321 ppid:2 task_flags:0x4208060 flags:0x00080000
Workqueue: 0x0 (events_highpri)
Call Trace:
context_switch kernel/sched/core.c:5260 [inline]
__schedule+0xfe4/0x5e10 kernel/sched/core.c:6867
__schedule_loop kernel/sched/core.c:6949 [inline]
schedule+0xdd/0x390 kernel/sched/core.c:6964
worker_thread+0x526/0xe40 kernel/workqueue.c:3436
kthread+0x3b3/0x730 kernel/kthread.c:463
ret_from_fork+0x754/0xaf0 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
task:syz-executor state:S stack:24088 pid:25766 tgid:25766 ppid:1 task_flags:0x40054c flags:0x00080001
Call Trace:
context_switch kernel/sched/core.c:5260 [inline]
__schedule+0xfe4/0x5e10 kernel/sched/core.c:6867
__schedule_loop kernel/sched/core.c:6949 [inline]
schedule+0xdd/0x390 kernel/sched/core.c:6964
do_wait+0x1a7/0x540 kernel/exit.c:1721
kernel_wait4+0x16d/0x280 kernel/exit.c:1875
zap_pid_ns_processes+0x2ca/0x6a0 kernel/pid_namespace.c:244
find_child_reaper kernel/exit.c:622 [inline]
forget_original_parent kernel/exit.c:706 [inline]
exit_notify kernel/exit.c:743 [inline]
do_exit+0x22da/0x2a30 kernel/exit.c:983
do_group_exit+0xd5/0x2a0 kernel/exit.c:1112
get_signal+0x1ec7/0x21e0 kernel/signal.c:3034
arch_do_signal_or_restart+0x91/0x770 arch/x86/kernel/signal.c:337
__exit_to_user_mode_loop kernel/entry/common.c:41 [inline]
exit_to_user_mode_loop+0x86/0x4b0 kernel/entry/common.c:75
__exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline]
syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:256 [inline]
syscall_exit_to_user_mode_work include/linux/entry-common.h:159 [inline]
syscall_exit_to_user_mode include/linux/entry-common.h:194 [inline]
do_syscall_64+0x4ea/0xf80 arch/x86/entry/syscall_64.c:100
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f24aa95b58e
RSP: 002b:00007ffc034870b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e6
RAX: 0000000000000000 RBX: 00005555940d0500 RCX: 00007f24aa95b58e
RDX: 00007ffc03487110 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007ffc0348717c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000001388
R13: 00000000000927c0 R14: 0000000000130e69 R15: 00007ffc034871d0
task:krxrpcio/7001 state:S stack:30504 pid:25771 tgid:25771 ppid:2 task_flags:0x208040 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5260 [inline]
__schedule+0xfe4/0x5e10 kernel/sched/core.c:6867
__schedule_loop kernel/sched/core.c:6949 [inline]
schedule+0xdd/0x390 kernel/sched/core.c:6964
rxrpc_io_thread+0x18c1/0x38b0 net/rxrpc/io_thread.c:593
kthread+0x3b3/0x730 kernel/kthread.c:463
ret_from_fork+0x754/0xaf0 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
task:kworker/R-bond0 state:I stack:30552 pid:25780 tgid:25780 ppid:2 task_flags:0x4208060 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5260 [inline]
__schedule+0xfe4/0x5e10 kernel/sched/core.c:6867
__schedule_loop kernel/sched/core.c:6949 [inline]
schedule+0xdd/0x390 kernel/sched/core.c:6964
rescuer_thread+0x803/0xf40 kernel/workqueue.c:3581
kthread+0x3b3/0x730 kernel/kthread.c:463
ret_from_fork+0x754/0xaf0 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
task:kworker/R-wg-cr state:I stack:30040 pid:25784 tgid:25784 ppid:2 task_flags:0x4208060 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5260 [inline]
__schedule+0xfe4/0x5e10 kernel/sched/core.c:6867
__schedule_loop kernel/sched/core.c:6949 [inline]
schedule+0xdd/0x390 kernel/sched/core.c:6964
rescuer_thread+0x803/0xf40 kernel/workqueue.c:3581
kthread+0x3b3/0x730 kernel/kthread.c:463
ret_from_fork+0x754/0xaf0 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
task:kworker/R-wg-cr state:I stack:30088 pid:25786 tgid:25786 ppid:2 task_flags:0x4208060 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5260 [inline]
__schedule+0xfe4/0x5e10 kernel/sched/core.c:6867
__schedule_loop kernel/sched/core.c:6949 [inline]
schedule+0xdd/0x390 kernel/sched/core.c:6964
rescuer_thread+0x803/0xf40 kernel/workqueue.c:3581
kthread+0x3b3/0x730 kernel/kthread.c:463
ret_from_fork+0x754/0xaf0 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
task:kworker/R-wg-cr state:I stack:30824 pid:25787 tgid:25787 ppid:2 task_flags:0x4208060 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5260 [inline]
__schedule+0xfe4/0x5e10 kernel/sched/core.c:6867
__schedule_loop kernel/sched/core.c:6949 [inline]
schedule+0xdd/0x390 kernel/sched/core.c:6964
rescuer_thread+0x803/0xf40 kernel/workqueue.c:3581
kthread+0x3b3/0x730 kernel/kthread.c:463
ret_from_fork+0x754/0xaf0 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
task:kworker/0:0 state:I stack:25864 pid:25794 tgid:25794 ppid:2 task_flags:0x4208060 flags:0x00080000
Workqueue: 0x0 (wg-crypt-wg0)
Call Trace:
context_switch kernel/sched/core.c:5260 [inline]
__schedule+0xfe4/0x5e10 kernel/sched/core.c:6867
__schedule_loop kernel/sched/core.c:6949 [inline]
schedule+0xdd/0x390 kernel/sched/core.c:6964
worker_thread+0x526/0xe40 kernel/workqueue.c:3436
kthread+0x3b3/0x730 kernel/kthread.c:463
ret_from_fork+0x754/0xaf0 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
task:napi/wg0-0 state:S stack:29448 pid:25875 tgid:25875 ppid:2 task_flags:0x208040 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5260 [inline]
__schedule+0xfe4/0x5e10 kernel/sched/core.c:6867
__schedule_loop kernel/sched/core.c:6949 [inline]
schedule+0xdd/0x390 kernel/sched/core.c:6964
napi_thread_wait net/core/dev.c:7775 [inline]
napi_threaded_poll+0xf1/0x3f0 net/core/dev.c:7838
kthread+0x3b3/0x730 kernel/kthread.c:463
ret_from_fork+0x754/0xaf0 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
task:napi/wg0-0 state:S stack:29448 pid:25876 tgid:25876 ppid:2 task_flags:0x208040 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5260 [inline]
__schedule+0xfe4/0x5e10 kernel/sched/core.c:6867
__schedule_loop kernel/sched/core.c:6949 [inline]
schedule+0xdd/0x390 kernel/sched/core.c:6964
napi_thread_wait net/core/dev.c:7775 [inline]
napi_threaded_poll+0xf1/0x3f0 net/core/dev.c:7838
kthread+0x3b3/0x730 kernel/kthread.c:463
ret_from_fork+0x754/0xaf0 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
task:napi/wg1-0 state:S stack:29448 pid:25877 tgid:25877 ppid:2 task_flags:0x208040 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5260 [inline]
__schedule+0xfe4/0x5e10 kernel/sched/core.c:6867
__schedule_loop kernel/sched/core.c:6949 [inline]
schedule+0xdd/0x390 kernel/sched/core.c:6964
napi_thread_wait net/core/dev.c:7775 [inline]
napi_threaded_poll+0xf1/0x3f0 net/core/dev.c:7838
kthread+0x3b3/0x730 kernel/kthread.c:463
ret_from_fork+0x754/0xaf0 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
task:napi/wg1-0 state:S stack:27064 pid:25878 tgid:25878 ppid:2 task_flags:0x208040 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5260 [inline]
__schedule+0xfe4/0x5e10 kernel/sched/core.c:6867
__schedule_loop kernel/sched/core.c:6949 [inline]
schedule+0xdd/0x390 kernel/sched/core.c:6964
napi_thread_wait net/core/dev.c:7775 [inline]
napi_threaded_poll+0xf1/0x3f0 net/core/dev.c:7838
kthread+0x3b3/0x730 kernel/kthread.c:463
ret_from_fork+0x754/0xaf0 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
task:napi/wg2-0 state:S stack:29448 pid:25879 tgid:25879 ppid:2 task_flags:0x208040 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5260 [inline]
__schedule+0xfe4/0x5e10 kernel/sched/core.c:6867
__schedule_loop kernel/sched/core.c:6949 [inline]
schedule+0xdd/0x390 kernel/sched/core.c:6964
napi_thread_wait net/core/dev.c:7775 [inline]
napi_threaded_poll+0xf1/0x3f0 net/core/dev.c:7838
kthread+0x3b3/0x730 kernel/kthread.c:463
ret_from_fork+0x754/0xaf0 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
task:napi/wg2-0 state:S stack:27064 pid:25880 tgid:25880 ppid:2 task_flags:0x208040 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5260 [inline]
__schedule+0xfe4/0x5e10 kernel/sched/core.c:6867
__schedule_loop kernel/sched/core.c:6949 [inline]
schedule+0xdd/0x390 kernel/sched/core.c:6964
napi_thread_wait net/core/dev.c:7775 [inline]
napi_threaded_poll+0xf1/0x3f0 net/core/dev.c:7838
kthread+0x3b3/0x730 kernel/kthread.c:463
ret_from_fork+0x754/0xaf0 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
task:syz-executor state:S stack:23960 pid:26038 tgid:26038 ppid:1 task_flags:0x40054c flags:0x00080001
Call Trace:
context_switch kernel/sched/core.c:5260 [inline]
__schedule+0xfe4/0x5e10 kernel/sched/core.c:6867
__schedule_loop kernel/sched/core.c:6949 [inline]
schedule+0xdd/0x390 kernel/sched/core.c:6964
do_wait+0x1a7/0x540 kernel/exit.c:1721
kernel_wait4+0x16d/0x280 kernel/exit.c:1875
zap_pid_ns_processes+0x2ca/0x6a0 kernel/pid_namespace.c:244
find_child_reaper kernel/exit.c:622 [inline]
forget_original_parent kernel/exit.c:706 [inline]
exit_notify kernel/exit.c:743 [inline]
do_exit+0x22da/0x2a30 kernel/exit.c:983
do_group_exit+0xd5/0x2a0 kernel/exit.c:1112
get_signal+0x1ec7/0x21e0 kernel/signal.c:3034
arch_do_signal_or_restart+0x91/0x770 arch/x86/kernel/signal.c:337
__exit_to_user_mode_loop kernel/entry/common.c:41 [inline]
exit_to_user_mode_loop+0x86/0x4b0 kernel/entry/common.c:75
__exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline]
syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:256 [inline]
syscall_exit_to_user_mode_work include/linux/entry-common.h:159 [inline]
syscall_exit_to_user_mode include/linux/entry-common.h:194 [inline]
do_syscall_64+0x4ea/0xf80 arch/x86/entry/syscall_64.c:100
entry_SYSCALL_64_after_hwframe+0x77/0x7f