INFO: task kworker/0:2:1211 blocked for more than 159 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:2 state:D stack:26408 pid:1211 tgid:1211 ppid:2 task_flags:0x4208060 flags:0x00080000
Workqueue: events_power_efficient reg_check_chans_work
Call Trace:
context_switch kernel/sched/core.c:5298 [inline]
__schedule+0xfee/0x6120 kernel/sched/core.c:6911
__schedule_loop kernel/sched/core.c:6993 [inline]
schedule+0xdd/0x390 kernel/sched/core.c:7008
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7065
__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:6441 [inline]
reg_leave_invalid_chans net/wireless/reg.c:2450 [inline]
reg_check_chans_work+0x12f/0x11d0 net/wireless/reg.c:2465
process_one_work+0xa23/0x19a0 kernel/workqueue.c:3276
process_scheduled_works kernel/workqueue.c:3359 [inline]
worker_thread+0x5ef/0xe50 kernel/workqueue.c:3440
kthread+0x370/0x450 kernel/kthread.c:436
ret_from_fork+0x754/0xd80 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
INFO: task kworker/R-ipv6_:3186 blocked for more than 159 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/R-ipv6_ state:D stack:29984 pid:3186 tgid:3186 ppid:2 task_flags:0x4208060 flags:0x00080000
Workqueue: ipv6_addrconf addrconf_verify_work
Call Trace:
context_switch kernel/sched/core.c:5298 [inline]
__schedule+0xfee/0x6120 kernel/sched/core.c:6911
__schedule_loop kernel/sched/core.c:6993 [inline]
schedule+0xdd/0x390 kernel/sched/core.c:7008
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7065
__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_verify_work+0x12/0x30 net/ipv6/addrconf.c:4738
process_one_work+0xa23/0x19a0 kernel/workqueue.c:3276
process_scheduled_works kernel/workqueue.c:3359 [inline]
rescuer_thread+0x905/0x14a0 kernel/workqueue.c:3583
kthread+0x370/0x450 kernel/kthread.c:436
ret_from_fork+0x754/0xd80 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
INFO: task syz.2.20:6004 blocked for more than 160 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.20 state:D
stack:27224 pid:6004 tgid:6003 ppid:5829 task_flags:0x400140 flags:0x00080002
Call Trace:
context_switch kernel/sched/core.c:5298 [inline]
__schedule+0xfee/0x6120 kernel/sched/core.c:6911
__schedule_loop kernel/sched/core.c:6993 [inline]
schedule+0xdd/0x390 kernel/sched/core.c:7008
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7065
__mutex_lock_common kernel/locking/mutex.c:692 [inline]
__mutex_lock+0xc9a/0x1b90 kernel/locking/mutex.c:776
netdev_wait_allrefs_any net/core/dev.c:11617 [inline]
netdev_run_todo+0xd60/0x12c0 net/core/dev.c:11729
ops_exit_rtnl_list net/core/net_namespace.c:189 [inline]
ops_undo_list+0x904/0xab0 net/core/net_namespace.c:248
setup_net+0x1fa/0x3a0 net/core/net_namespace.c:462
copy_net_ns+0x46f/0x7c0 net/core/net_namespace.c:581
create_new_namespaces+0x3ea/0xac0 kernel/nsproxy.c:130
unshare_nsproxy_namespaces+0xc3/0x1f0 kernel/nsproxy.c:226
ksys_unshare+0x473/0xad0 kernel/fork.c:3173
__do_sys_unshare kernel/fork.c:3244 [inline]
__se_sys_unshare kernel/fork.c:3242 [inline]
__x64_sys_unshare+0x31/0x40 kernel/fork.c:3242
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fdb5bf9c819
RSP: 002b:00007fdb5cf0e028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
RAX: ffffffffffffffda RBX: 00007fdb5c215fa0 RCX: 00007fdb5bf9c819
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000080
RBP: 00007fdb5c032c91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fdb5c216038 R14: 00007fdb5c215fa0 R15: 00007fff52fbb4a8
INFO: task syz.2.20:6005 blocked for more than 160 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.20 state:D stack:26408 pid:6005 tgid:6003 ppid:5829 task_flags:0x400140 flags:0x00080002
Call Trace:
context_switch kernel/sched/core.c:5298 [inline]
__schedule+0xfee/0x6120 kernel/sched/core.c:6911
__schedule_loop kernel/sched/core.c:6993 [inline]
schedule+0xdd/0x390 kernel/sched/core.c:7008
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7065
__mutex_lock_common kernel/locking/mutex.c:692 [inline]
__mutex_lock+0xc9a/0x1b90 kernel/locking/mutex.c:776
netdev_wait_allrefs_any net/core/dev.c:11609 [inline]
netdev_run_todo+0xcd5/0x12c0 net/core/dev.c:11729
ops_exit_rtnl_list net/core/net_namespace.c:189 [inline]
ops_undo_list+0x904/0xab0 net/core/net_namespace.c:248
setup_net+0x1fa/0x3a0 net/core/net_namespace.c:462
copy_net_ns+0x46f/0x7c0 net/core/net_namespace.c:581
create_new_namespaces+0x3ea/0xac0 kernel/nsproxy.c:130
unshare_nsproxy_namespaces+0xc3/0x1f0 kernel/nsproxy.c:226
ksys_unshare+0x473/0xad0 kernel/fork.c:3173
__do_sys_unshare kernel/fork.c:3244 [inline]
__se_sys_unshare kernel/fork.c:3242 [inline]
__x64_sys_unshare+0x31/0x40 kernel/fork.c:3242
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fdb5bf9c819
RSP: 002b:00007fdb5ceed028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
RAX: ffffffffffffffda RBX: 00007fdb5c216090 RCX: 00007fdb5bf9c819
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000080
RBP: 00007fdb5c032c91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fdb5c216128 R14: 00007fdb5c216090 R15: 00007fff52fbb4a8
INFO: task kworker/u10:0:6016 blocked for more than 161 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u10:0 state:D stack:25784 pid:6016 tgid:6016 ppid:2 task_flags:0x4208060 flags:0x00080000
Workqueue: netns cleanup_net
Call Trace:
context_switch kernel/sched/core.c:5298 [inline]
__schedule+0xfee/0x6120 kernel/sched/core.c:6911
__schedule_loop kernel/sched/core.c:6993 [inline]
schedule+0xdd/0x390 kernel/sched/core.c:7008
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7065
__mutex_lock_common kernel/locking/mutex.c:692 [inline]
__mutex_lock+0xc9a/0x1b90 kernel/locking/mutex.c:776
netdev_wait_allrefs_any net/core/dev.c:11617 [inline]
netdev_run_todo+0xd60/0x12c0 net/core/dev.c:11729
ops_exit_rtnl_list net/core/net_namespace.c:189 [inline]
ops_undo_list+0x904/0xab0 net/core/net_namespace.c:248
cleanup_net+0x499/0x920 net/core/net_namespace.c:704
process_one_work+0xa23/0x19a0 kernel/workqueue.c:3276
process_scheduled_works kernel/workqueue.c:3359 [inline]
worker_thread+0x5ef/0xe50 kernel/workqueue.c:3440
kthread+0x370/0x450 kernel/kthread.c:436
ret_from_fork+0x754/0xd80 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
INFO: task syz.0.168:6704 blocked for more than 161 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.168 state:D stack:27304 pid:6704 tgid:6703 ppid:5827 task_flags:0x400140 flags:0x00080002
Call Trace:
context_switch kernel/sched/core.c:5298 [inline]
__schedule+0xfee/0x6120 kernel/sched/core.c:6911
__schedule_loop kernel/sched/core.c:6993 [inline]
schedule+0xdd/0x390 kernel/sched/core.c:7008
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7065
__mutex_lock_common kernel/locking/mutex.c:692 [inline]
__mutex_lock+0xc9a/0x1b90 kernel/locking/mutex.c:776
netdev_wait_allrefs_any net/core/dev.c:11617 [inline]
netdev_run_todo+0xd60/0x12c0 net/core/dev.c:11729
ops_exit_rtnl_list net/core/net_namespace.c:189 [inline]
ops_undo_list+0x904/0xab0 net/core/net_namespace.c:248
setup_net+0x1fa/0x3a0 net/core/net_namespace.c:462
copy_net_ns+0x46f/0x7c0 net/core/net_namespace.c:581
create_new_namespaces+0x3ea/0xac0 kernel/nsproxy.c:130
unshare_nsproxy_namespaces+0xc3/0x1f0 kernel/nsproxy.c:226
ksys_unshare+0x473/0xad0 kernel/fork.c:3173
__do_sys_unshare kernel/fork.c:3244 [inline]
__se_sys_unshare kernel/fork.c:3242 [inline]
__x64_sys_unshare+0x31/0x40 kernel/fork.c:3242
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f82bf19c819
RSP: 002b:00007f82c012c028 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
RAX: ffffffffffffffda RBX: 00007f82bf415fa0 RCX: 00007f82bf19c819
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000080
RBP: 00007f82bf232c91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f82bf416038 R14: 00007f82bf415fa0 R15: 00007ffd646988e8
Showing all locks held in the system:
3 locks held by kworker/1:1/29:
#0: ffff88813fe63148 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x1310/0x19a0 kernel/workqueue.c:3251
#1: ffffc90000a47d08 (deferred_process_work){+.+.}-{0:0}, at: process_one_work+0x988/0x19a0 kernel/workqueue.c:3252
#2: ffffffff906170a8 (rtnl_mutex){+.+.}-{4:4}, at: switchdev_deferred_process_work+0xe/0x20 net/switchdev/switchdev.c:104
1 lock held by khungtaskd/31:
#0: ffffffff8e7e7760 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:312 [inline]
#0: ffffffff8e7e7760 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:850 [inline]
#0: ffffffff8e7e7760 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x3d/0x184 kernel/locking/lockdep.c:6775
4 locks held by kworker/0:2/1211:
#0: ffff88813fe61d48 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work+0x1310/0x19a0 kernel/workqueue.c:3251
#1: ffffc90004f9fd08 ((reg_check_chans).work){+.+.}-{0:0}, at: process_one_work+0x988/0x19a0 kernel/workqueue.c:3252
#2: ffffffff906170a8 (rtnl_mutex){+.+.}-{4:4}, at: reg_check_chans_work+0x91/0x11d0 net/wireless/reg.c:2462
#3: ffff88801c790788 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6441 [inline]
#3: ffff88801c790788 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: reg_leave_invalid_chans net/wireless/reg.c:2450 [inline]
#3: ffff88801c790788 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: reg_check_chans_work+0x12f/0x11d0 net/wireless/reg.c:2465
2 locks held by kworker/0:3/1218:
3 locks held by kworker/R-ipv6_/3186:
#0: ffff8880331ce948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x1310/0x19a0 kernel/workqueue.c:3251
#1: ffffc9000f72fc70 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0x988/0x19a0 kernel/workqueue.c:3252
#2: ffffffff906170a8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline]
#2: ffffffff906170a8 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_verify_work+0x12/0x30 net/ipv6/addrconf.c:4738
3 locks held by kworker/R-bat_e/3411:
2 locks held by getty/5587:
#0: ffff8880378b30a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc9000332b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x419/0x1500 drivers/tty/n_tty.c:2211
2 locks held by syz.2.20/6004:
#0: ffffffff905fe850 (pernet_ops_rwsem){++++}-{4:4}, at: copy_net_ns+0x451/0x7c0 net/core/net_namespace.c:577
#1: ffffffff906170a8 (rtnl_mutex){+.+.}-{4:4}, at: netdev_wait_allrefs_any net/core/dev.c:11617 [inline]
#1: ffffffff906170a8 (rtnl_mutex){+.+.}-{4:4}, at: netdev_run_todo+0xd60/0x12c0 net/core/dev.c:11729
2 locks held by syz.2.20/6005:
#0: ffffffff905fe850 (pernet_ops_rwsem){++++}-{4:4}, at: copy_net_ns+0x451/0x7c0 net/core/net_namespace.c:577
#1: ffffffff906170a8 (rtnl_mutex){+.+.}-{4:4}, at: netdev_wait_allrefs_any net/core/dev.c:11609 [inline]
#1: ffffffff906170a8 (rtnl_mutex){+.+.}-{4:4}, at: netdev_run_todo+0xcd5/0x12c0 net/core/dev.c:11729
4 locks held by kworker/u10:0/6016:
#0: ffff88801c6b6948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x1310/0x19a0 kernel/workqueue.c:3251
#1: ffffc9000480fd08 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x988/0x19a0 kernel/workqueue.c:3252
#2: ffffffff905fe850 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0xb8/0x920 net/core/net_namespace.c:675
#3: ffffffff906170a8 (rtnl_mutex){+.+.}-{4:4}, at: netdev_wait_allrefs_any net/core/dev.c:11617 [inline]
#3: ffffffff906170a8 (rtnl_mutex){+.+.}-{4:4}, at: netdev_run_todo+0xd60/0x12c0 net/core/dev.c:11729
3 locks held by kworker/u11:0/6017:
3 locks held by kworker/u10:1/6019:
3 locks held by kworker/u10:2/6020:
3 locks held by kworker/u10:3/6024:
3 locks held by kworker/u10:4/6025:
3 locks held by kworker/u11:1/6029:
#0: ffff888058050148 ((wq_completion)hci5){+.+.}-{0:0}, at: process_one_work+0x1310/0x19a0 kernel/workqueue.c:3251
#1: ffffc900049afd08 ((work_completion)(&hdev->power_on)){+.+.}-{0:0}, at: process_one_work+0x988/0x19a0 kernel/workqueue.c:3252
#2: ffff88808ae24ec0 (&hdev->req_lock){+.+.}-{4:4}, at: hci_dev_do_open+0x22/0xb0 net/bluetooth/hci_core.c:429
3 locks held by kworker/u10:5/6078:
3 locks held by kworker/u10:6/6087:
3 locks held by kworker/u11:2/6252:
#0: ffff888038a3a148 ((wq_completion)hci7){+.+.}-{0:0}, at: process_one_work+0x1310/0x19a0 kernel/workqueue.c:3251
#1: ffffc900053dfd08 ((work_completion)(&hdev->power_on)){+.+.}-{0:0}, at: process_one_work+0x988/0x19a0 kernel/workqueue.c:3252
#2: ffff888021304ec0 (&hdev->req_lock){+.+.}-{4:4}, at: hci_dev_do_open+0x22/0xb0 net/bluetooth/hci_core.c:429
3 locks held by kworker/u10:7/6365:
2 locks held by syz.0.168/6704:
#0: ffffffff905fe850 (pernet_ops_rwsem){++++}-{4:4}, at: copy_net_ns+0x451/0x7c0 net/core/net_namespace.c:577
#1: ffffffff906170a8 (rtnl_mutex){+.+.}-{4:4}, at: netdev_wait_allrefs_any net/core/dev.c:11617 [inline]
#1: ffffffff906170a8 (rtnl_mutex){+.+.}-{4:4}, at: netdev_run_todo+0xd60/0x12c0 net/core/dev.c:11729
3 locks held by kworker/u10:8/6808:
3 locks held by kworker/u10:9/6812:
3 locks held by kworker/u10:10/6817:
2 locks held by kworker/u10:11/6822:
2 locks held by kworker/u10:12/6823:
2 locks held by kworker/u10:13/6824:
3 locks held by kworker/u11:3/6858:
#0: ffff888035b56948 ((wq_completion)hci6){+.+.}-{0:0}, at: process_one_work+0x1310/0x19a0 kernel/workqueue.c:3251
#1: ffffc90003727d08 ((work_completion)(&hdev->power_on)){+.+.}-{0:0}, at: process_one_work+0x988/0x19a0 kernel/workqueue.c:3252
#2: ffff88808a5d4ec0 (&hdev->req_lock){+.+.}-{4:4}, at: hci_dev_do_open+0x22/0xb0 net/bluetooth/hci_core.c:429
3 locks held by kworker/u11:4/6859:
#0: ffff888034d28948 ((wq_completion)hci8){+.+.}-{0:0}, at: process_one_work+0x1310/0x19a0 kernel/workqueue.c:3251
#1: ffffc90003507d08 ((work_completion)(&hdev->power_on)){+.+.}-{0:0}, at: process_one_work+0x988/0x19a0 kernel/workqueue.c:3252
#2: ffff88805c7b0ec0 (&hdev->req_lock){+.+.}-{4:4}, at: hci_dev_do_open+0x22/0xb0 net/bluetooth/hci_core.c:429
=============================================
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
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+0xd25/0x1050 kernel/hung_task.c:515
kthread+0x370/0x450 kernel/kthread.c:436
ret_from_fork+0x754/0xd80 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 3411 Comm: kworker/R-bat_e Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
Workqueue: bat_events batadv_dat_purge
RIP: 0010:lockdep_recursion_finish kernel/locking/lockdep.c:470 [inline]
RIP: 0010:lock_release kernel/locking/lockdep.c:5891 [inline]
RIP: 0010:lock_release+0x17d/0x320 kernel/locking/lockdep.c:5875
Code: 74 0e 8b 05 05 bf f5 0e 85 c0 0f 84 99 01 00 00 90 48 c7 c7 f2 d4 e5 8d e8 20 31 aa 09 b8 ff ff ff ff 65 0f c1 05 8b d3 29 12 <83> f8 01 0f 85 3d 01 00 00 9c 58 f6 c4 02 0f 85 28 01 00 00 41 f7
RSP: 0018:ffffc900000064b0 EFLAGS: 00000057
RAX: 0000000000000001 RBX: ffffffff8e7e7760 RCX: ffffc900000064bc
RDX: 0000000000000007 RSI: ffffffff8de5d4f2 RDI: ffffffff8c1b1da0
RBP: ffffffff81b7c03e R08: 0000000000000001 R09: 0000000000000007
R10: 0000000000000200 R11: 00000000000967da R12: ffff8880344cdb80
R13: ffffc90000006568 R14: 0000000000000202 R15: 0000000000000008
FS: 0000000000000000(0000) GS:ffff888124340000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f13601456b8 CR3: 000000000e598000 CR4: 00000000003526f0
Call Trace:
rcu_lock_release include/linux/rcupdate.h:322 [inline]
rcu_read_unlock include/linux/rcupdate.h:881 [inline]
class_rcu_destructor include/linux/rcupdate.h:1193 [inline]
unwind_next_frame+0x3c3/0x1ea0 arch/x86/kernel/unwind_orc.c:495
arch_stack_walk+0x94/0xf0 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122
kasan_save_stack+0x30/0x50 mm/kasan/common.c:57
kasan_save_track+0x14/0x30 mm/kasan/common.c:78
kasan_save_free_info+0x3b/0x70 mm/kasan/generic.c:584
poison_slab_object mm/kasan/common.c:253 [inline]
__kasan_slab_free+0x5f/0x80 mm/kasan/common.c:285
kasan_slab_free include/linux/kasan.h:235 [inline]
slab_free_hook mm/slub.c:2685 [inline]
slab_free mm/slub.c:6165 [inline]
kmem_cache_free+0x124/0x6a0 mm/slub.c:6295
__skb_ext_put+0x102/0x2f0 net/core/skbuff.c:7252
skb_ext_reset include/linux/skbuff.h:5090 [inline]
skb_ext_reset include/linux/skbuff.h:5087 [inline]
skb_scrub_packet+0x377/0x430 net/core/skbuff.c:6272
____dev_forward_skb include/linux/netdevice.h:4391 [inline]
__dev_forward_skb2+0x38a/0x740 net/core/dev.c:2440
veth_forward_skb drivers/net/veth.c:323 [inline]
veth_xmit+0x2c2/0xe90 drivers/net/veth.c:379
__netdev_start_xmit include/linux/netdevice.h:5325 [inline]
netdev_start_xmit include/linux/netdevice.h:5334 [inline]
xmit_one net/core/dev.c:3888 [inline]
dev_hard_start_xmit+0x121/0x7d0 net/core/dev.c:3904
__dev_queue_xmit+0x32c1/0x4800 net/core/dev.c:4854
dev_queue_xmit include/linux/netdevice.h:3385 [inline]
br_dev_queue_push_xmit+0x360/0x550 net/bridge/br_forward.c:53
br_nf_dev_queue_xmit+0x741/0x2a20 net/bridge/br_netfilter_hooks.c:920
NF_HOOK include/linux/netfilter.h:318 [inline]
NF_HOOK include/linux/netfilter.h:312 [inline]
br_nf_post_routing+0xcbb/0x16a0 net/bridge/br_netfilter_hooks.c:966
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_finish+0x261/0x4d0 net/bridge/br_forward.c:66
br_nf_hook_thresh+0x30d/0x420 net/bridge/br_netfilter_hooks.c:1167
br_nf_forward_finish+0x693/0xb30 net/bridge/br_netfilter_hooks.c:662
NF_HOOK include/linux/netfilter.h:318 [inline]
NF_HOOK include/linux/netfilter.h:312 [inline]
br_nf_forward_ip.part.0+0x61e/0x820 net/bridge/br_netfilter_hooks.c:716
br_nf_forward_ip net/bridge/br_netfilter_hooks.c:676 [inline]
br_nf_forward+0xfe5/0x19f0 net/bridge/br_netfilter_hooks.c:773
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]
br_flood+0x37f/0x650 net/bridge/br_forward.c:250
br_handle_frame_finish+0xff4/0x1f60 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
br_nf_pre_routing+0x90d/0x1550 net/bridge/br_netfilter_hooks.c:508
nf_hook_entry_hookfn include/linux/netfilter.h:158 [inline]
nf_hook_bridge_pre net/bridge/br_input.c:291 [inline]
br_handle_frame+0xcdd/0x1520 net/bridge/br_input.c:442
__netif_receive_skb_core.constprop.0+0x6c5/0x3550 net/core/dev.c:6068
__netif_receive_skb_one_core+0xb0/0x1e0 net/core/dev.c:6179
__netif_receive_skb+0x1f/0x120 net/core/dev.c:6294
process_backlog+0x37a/0x1580 net/core/dev.c:6645
__napi_poll.constprop.0+0xaf/0x450 net/core/dev.c:7709
napi_poll net/core/dev.c:7772 [inline]
net_rx_action+0xa40/0xf20 net/core/dev.c:7929
handle_softirqs+0x1eb/0x9e0 kernel/softirq.c:622
do_softirq kernel/softirq.c:523 [inline]
do_softirq+0xac/0xe0 kernel/softirq.c:510
__local_bh_enable_ip+0xf8/0x120 kernel/softirq.c:450
spin_unlock_bh include/linux/spinlock.h:395 [inline]
__batadv_dat_purge.part.0+0x294/0x3c0 net/batman-adv/distributed-arp-table.c:185
__batadv_dat_purge net/batman-adv/distributed-arp-table.c:166 [inline]
batadv_dat_purge+0x4b/0xa0 net/batman-adv/distributed-arp-table.c:204
process_one_work+0xa23/0x19a0 kernel/workqueue.c:3276
process_scheduled_works kernel/workqueue.c:3359 [inline]
rescuer_thread+0x905/0x14a0 kernel/workqueue.c:3583
kthread+0x370/0x450 kernel/kthread.c:436
ret_from_fork+0x754/0xd80 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245