INFO: task khugepaged:35 blocked for more than 143 seconds.
Not tainted 6.4.0-rc7-syzkaller-00072-gdad9774deaf1 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:khugepaged state:D stack:28168 pid:35 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0xc9a/0x5880 kernel/sched/core.c:6669
schedule+0xde/0x1a0 kernel/sched/core.c:6745
schedule_timeout+0x276/0x2b0 kernel/time/timer.c:2143
do_wait_for_common kernel/sched/completion.c:85 [inline]
__wait_for_common+0x1ce/0x5c0 kernel/sched/completion.c:106
__flush_work+0x595/0xb60 kernel/workqueue.c:3189
__lru_add_drain_all+0x1bf/0x6a0 mm/swap.c:897
khugepaged_do_scan mm/khugepaged.c:2598 [inline]
khugepaged+0x105/0x1740 mm/khugepaged.c:2667
kthread+0x344/0x440 kernel/kthread.c:379
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
INFO: task syz-executor.0:21970 blocked for more than 143 seconds.
Not tainted 6.4.0-rc7-syzkaller-00072-gdad9774deaf1 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:26848 pid:21970 ppid:5054 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0xc9a/0x5880 kernel/sched/core.c:6669
schedule+0xde/0x1a0 kernel/sched/core.c:6745
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6804
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa3b/0x1350 kernel/locking/mutex.c:747
cangw_pernet_exit_batch+0x15/0xa0 net/can/gw.c:1257
ops_exit_list+0x125/0x170 net/core/net_namespace.c:175
setup_net+0x7fb/0xc50 net/core/net_namespace.c:362
copy_net_ns+0x4ee/0x8e0 net/core/net_namespace.c:491
create_new_namespaces+0x3f6/0xb20 kernel/nsproxy.c:110
unshare_nsproxy_namespaces+0xc1/0x1f0 kernel/nsproxy.c:228
ksys_unshare+0x449/0x920 kernel/fork.c:3441
__do_sys_unshare kernel/fork.c:3512 [inline]
__se_sys_unshare kernel/fork.c:3510 [inline]
__x64_sys_unshare+0x31/0x40 kernel/fork.c:3510
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fb50c48c389
RSP: 002b:00007fb50d246168 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
RAX: ffffffffffffffda RBX: 00007fb50c5ac120 RCX: 00007fb50c48c389
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040020000
RBP: 00007fb50c4d7493 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb50c6cfb1f R14: 00007fb50d246300 R15: 0000000000022000
INFO: task syz-executor.3:22024 blocked for more than 143 seconds.
Not tainted 6.4.0-rc7-syzkaller-00072-gdad9774deaf1 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:25792 pid:22024 ppid:5052 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0xc9a/0x5880 kernel/sched/core.c:6669
schedule+0xde/0x1a0 kernel/sched/core.c:6745
exp_funnel_lock kernel/rcu/tree_exp.h:316 [inline]
synchronize_rcu_expedited+0x6f8/0x770 kernel/rcu/tree_exp.h:992
synchronize_net+0x3e/0x60 net/core/dev.c:10791
ipv6_mc_down+0x16a/0x4f0 net/ipv6/mcast.c:2725
ipv6_mc_destroy_dev+0x29/0x670 net/ipv6/mcast.c:2788
addrconf_ifdown.isra.0+0x12c2/0x1940 net/ipv6/addrconf.c:3898
addrconf_notify+0x106/0x19f0 net/ipv6/addrconf.c:3678
notifier_call_chain+0xb6/0x3c0 kernel/notifier.c:93
call_netdevice_notifiers_info+0xb9/0x130 net/core/dev.c:1935
call_netdevice_notifiers_extack net/core/dev.c:1973 [inline]
call_netdevice_notifiers net/core/dev.c:1987 [inline]
unregister_netdevice_many_notify+0x75f/0x18c0 net/core/dev.c:10884
ip_tunnel_delete_nets+0x2c2/0x3a0 net/ipv4/ip_tunnel.c:1144
ops_exit_list+0x125/0x170 net/core/net_namespace.c:175
setup_net+0x7fb/0xc50 net/core/net_namespace.c:362
copy_net_ns+0x4ee/0x8e0 net/core/net_namespace.c:491
create_new_namespaces+0x3f6/0xb20 kernel/nsproxy.c:110
unshare_nsproxy_namespaces+0xc1/0x1f0 kernel/nsproxy.c:228
ksys_unshare+0x449/0x920 kernel/fork.c:3441
__do_sys_unshare kernel/fork.c:3512 [inline]
__se_sys_unshare kernel/fork.c:3510 [inline]
__x64_sys_unshare+0x31/0x40 kernel/fork.c:3510
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f094ac8c389
RSP: 002b:00007f094ba88168 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
RAX: ffffffffffffffda RBX: 00007f094adac050 RCX: 00007f094ac8c389
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040020000
RBP: 00007f094acd7493 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f094aecfb1f R14: 00007f094ba88300 R15: 0000000000022000
INFO: task syz-executor.5:22035 blocked for more than 143 seconds.
Not tainted 6.4.0-rc7-syzkaller-00072-gdad9774deaf1 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:26968 pid:22035 ppid:5053 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5343 [inline]
__schedule+0xc9a/0x5880 kernel/sched/core.c:6669
schedule+0xde/0x1a0 kernel/sched/core.c:6745
synchronize_rcu_expedited+0x5d4/0x770 kernel/rcu/tree_exp.h:1007
synchronize_net+0x3e/0x60 net/core/dev.c:10791
packet_release+0xa7d/0xd10 net/packet/af_packet.c:3167
__sock_release+0xcd/0x290 net/socket.c:653
sock_close+0x1c/0x20 net/socket.c:1397
__fput+0x27c/0xa90 fs/file_table.c:321
task_work_run+0x16f/0x270 kernel/task_work.c:179
resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
exit_to_user_mode_loop kernel/entry/common.c:171 [inline]
exit_to_user_mode_prepare+0x210/0x240 kernel/entry/common.c:204
__syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline]
syscall_exit_to_user_mode+0x1d/0x50 kernel/entry/common.c:297
do_syscall_64+0x46/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fe0f963e12b
RSP: 002b:00007fe0f98cfb80 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000008 RCX: 00007fe0f963e12b
RDX: 0000001b2e720000 RSI: 000000000001b535 RDI: 0000000000000007
RBP: 00007fe0f97ad980 R08: 0000000000000000 R09: 0000000081c16705
R10: 00007fff6f1d9090 R11: 0000000000000293 R12: 0000000000201890
R13: 00007fe0f98cfc80 R14: 00007fe0f97ac1f0 R15: 0000000000000032
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/13:
#0: ffffffff8c7984f0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xd80 kernel/rcu/tasks.h:518
1 lock held by rcu_tasks_trace/14:
#0: ffffffff8c7981f0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xd80 kernel/rcu/tasks.h:518
1 lock held by ksoftirqd/0/15:
1 lock held by khungtaskd/28:
#0: ffffffff8c799100 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x340 kernel/locking/lockdep.c:6559
1 lock held by khugepaged/35:
#0: ffffffff8c89a648 (lock#3){+.+.}-{3:3}, at: __lru_add_drain_all+0x62/0x6a0 mm/swap.c:852
3 locks held by kworker/u4:5/76:
2 locks held by getty/4759:
#0: ffff88814ab3c098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc900015a02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xef4/0x13e0 drivers/tty/n_tty.c:2176
3 locks held by kworker/0:4/5097:
#0: ffff88814a671138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff88814a671138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff88814a671138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1324 [inline]
#0: ffff88814a671138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:643 [inline]
#0: ffff88814a671138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:670 [inline]
#0: ffff88814a671138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x883/0x15e0 kernel/workqueue.c:2376
#1: ffffc90004fe7db0 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0x8b7/0x15e0 kernel/workqueue.c:2380
#2: ffffffff8e115968 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0x12/0x30 net/ipv6/addrconf.c:4630
4 locks held by kworker/1:2/9786:
6 locks held by kworker/1:7/15319:
#0: ffff8880152cd538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff8880152cd538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff8880152cd538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1324 [inline]
#0: ffff8880152cd538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:643 [inline]
#0: ffff8880152cd538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:670 [inline]
#0: ffff8880152cd538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x883/0x15e0 kernel/workqueue.c:2376
#1: ffffc900055ffdb0 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8b7/0x15e0 kernel/workqueue.c:2380
#2: ffff8881427f5190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline]
#2: ffff8881427f5190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c0/0x4e40 drivers/usb/core/hub.c:5739
#3: ffff8880228fe190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline]
#3: ffff8880228fe190 (&dev->mutex){....}-{3:3}, at: __device_attach+0x76/0x4b0 drivers/base/dd.c:1005
#4: ffff888033f1c160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline]
#4: ffff888033f1c160 (&dev->mutex){....}-{3:3}, at: __device_attach+0x76/0x4b0 drivers/base/dd.c:1005
#5: ffff888022784d60 (&dev->phy_mutex){+.+.}-{3:3}, at: __asix_mdio_read+0x89/0x260 drivers/net/usb/asix_common.c:504
4 locks held by kworker/u4:1/16593:
#0: ffff888014267938 ((wq_completion)netns){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888014267938 ((wq_completion)netns){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888014267938 ((wq_completion)netns){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1324 [inline]
#0: ffff888014267938 ((wq_completion)netns){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:643 [inline]
#0: ffff888014267938 ((wq_completion)netns){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:670 [inline]
#0: ffff888014267938 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x883/0x15e0 kernel/workqueue.c:2376
#1: ffffc9000338fdb0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x8b7/0x15e0 kernel/workqueue.c:2380
#2: ffffffff8e101f90 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x9f/0xb10 net/core/net_namespace.c:576
#3: ffffffff8e115968 (rtnl_mutex){+.+.}-{3:3}, at: cangw_pernet_exit_batch+0x15/0xa0 net/can/gw.c:1257
2 locks held by syz-executor.0/21970:
#0: ffffffff8e101f90 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4cb/0x8e0 net/core/net_namespace.c:487
#1: ffffffff8e115968 (rtnl_mutex){+.+.}-{3:3}, at: cangw_pernet_exit_batch+0x15/0xa0 net/can/gw.c:1257
2 locks held by syz-executor.1/21988:
#0: ffffffff8e101f90 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4cb/0x8e0 net/core/net_namespace.c:487
#1: ffffffff8e115968 (rtnl_mutex){+.+.}-{3:3}, at: cangw_pernet_exit_batch+0x15/0xa0 net/can/gw.c:1257
2 locks held by syz-executor.2/21985:
#0: ffffffff8e101f90 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4cb/0x8e0 net/core/net_namespace.c:487
#1: ffffffff8e115968 (rtnl_mutex){+.+.}-{3:3}, at: cangw_pernet_exit_batch+0x15/0xa0 net/can/gw.c:1257
2 locks held by syz-executor.3/22024:
#0: ffffffff8e101f90 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x4cb/0x8e0 net/core/net_namespace.c:487
#1: ffffffff8e115968 (rtnl_mutex){+.+.}-{3:3}, at: ip_tunnel_delete_nets+0x94/0x3a0 net/ipv4/ip_tunnel.c:1139
2 locks held by syz-executor.5/22035:
#0: ffff888021b68810 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:775 [inline]
#0: ffff888021b68810 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: __sock_release+0x86/0x290 net/socket.c:652
#1: ffffffff8c7a4578 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:325 [inline]
#1: ffffffff8c7a4578 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x3e8/0x770 kernel/rcu/tree_exp.h:992
1 lock held by syz-executor.4/22040:
#0: ffff88807972d010 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:775 [inline]
#0: ffff88807972d010 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: __sock_release+0x86/0x290 net/socket.c:652
1 lock held by syz-executor.4/22041:
#0: ffffffff8c7a4578 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:325 [inline]
#0: ffffffff8c7a4578 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x3e8/0x770 kernel/rcu/tree_exp.h:992
1 lock held by dhcpcd/22044:
#0: ffff88807a8ea130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1709 [inline]
#0: ffff88807a8ea130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x32/0xe90 net/packet/af_packet.c:3202
1 lock held by dhcpcd/22045:
#0: ffff88807a8ec130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1709 [inline]
#0: ffff88807a8ec130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x32/0xe90 net/packet/af_packet.c:3202
1 lock held by dhcpcd/22046:
#0: ffff888098822130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1709 [inline]
#0: ffff888098822130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x32/0xe90 net/packet/af_packet.c:3202
1 lock held by dhcpcd/22047:
#0: ffff8880166e4130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1709 [inline]
#0: ffff8880166e4130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x32/0xe90 net/packet/af_packet.c:3202
1 lock held by dhcpcd/22048:
#0: ffff888141f22130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1709 [inline]
#0: ffff888141f22130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x32/0xe90 net/packet/af_packet.c:3202
1 lock held by dhcpcd/22049:
#0: ffff88807dad6130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1709 [inline]
#0: ffff88807dad6130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x32/0xe90 net/packet/af_packet.c:3202
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.4.0-rc7-syzkaller-00072-gdad9774deaf1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd9/0x150 lib/dump_stack.c:106
nmi_cpu_backtrace+0x29c/0x350 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x2a4/0x300 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]
watchdog+0xe16/0x1090 kernel/hung_task.c:379
kthread+0x344/0x440 kernel/kthread.c:379
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: 15 Comm: ksoftirqd/0 Not tainted 6.4.0-rc7-syzkaller-00072-gdad9774deaf1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
RIP: 0010:filter_irq_stacks+0x3f/0x90 kernel/stacktrace.c:397
Code: 00 00 00 00 00 fc ff df 31 db 48 89 f8 48 c1 e8 03 80 3c 28 00 75 4b 48 8b 07 48 3d 90 01 20 8a 72 18 48 3d d0 15 20 8a 73 10 <44> 8d 63 01 48 83 c4 08 44 89 e0 5b 5d 41 5c c3 48 3d e0 6c 14 8a
RSP: 0018:ffffc90000147728 EFLAGS: 00000297
RAX: ffffffff8a146eb4 RBX: 000000000000000f RCX: 0000000000000001
RDX: 0000000000000800 RSI: 0000000000000014 RDI: ffffc90000147838
RBP: dffffc0000000000 R08: ffffffff8efbbccc R09: ffffc90000147f50
R10: ffffc90000147698 R11: 0000000000094001 R12: 0000000000000014
R13: 0000000000000800 R14: ffffc900001477c0 R15: ffffea0000a8e600
FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f02485da070 CR3: 000000002c5d4000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__stack_depot_save+0x39/0x510 lib/stackdepot.c:377
kasan_save_stack+0x32/0x40 mm/kasan/common.c:46
kasan_set_track+0x25/0x30 mm/kasan/common.c:52
kasan_save_free_info+0x2e/0x40 mm/kasan/generic.c:521
____kasan_slab_free mm/kasan/common.c:236 [inline]
____kasan_slab_free+0x160/0x1c0 mm/kasan/common.c:200
kasan_slab_free include/linux/kasan.h:162 [inline]
slab_free_hook mm/slub.c:1781 [inline]
slab_free_freelist_hook+0x8b/0x1c0 mm/slub.c:1807
slab_free mm/slub.c:3786 [inline]
kmem_cache_free+0xe9/0x480 mm/slub.c:3808
kfree_skbmem+0xef/0x1b0 net/core/skbuff.c:971
__kfree_skb net/core/skbuff.c:1029 [inline]
consume_skb net/core/skbuff.c:1244 [inline]
consume_skb+0xdf/0x170 net/core/skbuff.c:1238
can_receive+0x361/0x5c0 net/can/af_can.c:668
canfd_rcv+0x1e1/0x280 net/can/af_can.c:702
__netif_receive_skb_one_core+0x114/0x180 net/core/dev.c:5493
__netif_receive_skb+0x1f/0x1c0 net/core/dev.c:5607
process_backlog+0x101/0x670 net/core/dev.c:5935
__napi_poll+0xb7/0x6f0 net/core/dev.c:6498
napi_poll net/core/dev.c:6565 [inline]
net_rx_action+0x8a9/0xcb0 net/core/dev.c:6698
__do_softirq+0x1d4/0x905 kernel/softirq.c:571
run_ksoftirqd kernel/softirq.c:939 [inline]
run_ksoftirqd+0x31/0x60 kernel/softirq.c:931
smpboot_thread_fn+0x659/0x9e0 kernel/smpboot.c:164
kthread+0x344/0x440 kernel/kthread.c:379
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308