UBSAN: object-size-mismatch in wg_xmit IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready ================================================================================ UBSAN: object-size-mismatch in ./include/linux/skbuff.h:2039:28 member access within address ffffc90000ba71c0 with insufficient space for an object of type 'struct sk_buff' CPU: 0 PID: 374 Comm: kworker/0:2 Not tainted 5.10.107-syzkaller-00407-g6b94b8c3b722 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: ipv6_addrconf addrconf_dad_work Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack_lvl+0x1e2/0x24b lib/dump_stack.c:118 dump_stack+0x15/0x1d lib/dump_stack.c:135 ubsan_epilogue lib/ubsan.c:148 [inline] handle_object_size_mismatch lib/ubsan.c:297 [inline] ubsan_type_mismatch_common+0x1ed/0x3a0 lib/ubsan.c:310 __ubsan_handle_type_mismatch_v1+0x5b/0x70 lib/ubsan.c:339 __skb_queue_before include/linux/skbuff.h:2039 [inline] __skb_queue_tail include/linux/skbuff.h:2072 [inline] wg_xmit+0x4a2/0xae0 drivers/net/wireguard/device.c:185 __netdev_start_xmit include/linux/netdevice.h:4831 [inline] netdev_start_xmit+0x8a/0x160 include/linux/netdevice.h:4845 xmit_one net/core/dev.c:3591 [inline] dev_hard_start_xmit+0x18d/0x2f0 net/core/dev.c:3607 __dev_queue_xmit+0x100c/0x1c30 net/core/dev.c:4173 dev_queue_xmit+0x17/0x20 net/core/dev.c:4206 neigh_connected_output+0x288/0x2b0 net/core/neighbour.c:1531 neigh_output include/net/neighbour.h:524 [inline] ip6_finish_output2+0xde2/0x1440 net/ipv6/ip6_output.c:145 __ip6_finish_output+0x3e4/0x520 net/ipv6/ip6_output.c:210 ip6_finish_output+0x3f/0x220 net/ipv6/ip6_output.c:220 NF_HOOK_COND include/linux/netfilter.h:293 [inline] ip6_output+0x1f8/0x4b0 net/ipv6/ip6_output.c:243 dst_output include/net/dst.h:443 [inline] NF_HOOK+0xdd/0x280 include/linux/netfilter.h:304 ndisc_send_skb+0x646/0x9f0 net/ipv6/ndisc.c:508 ndisc_send_rs+0x26c/0x360 net/ipv6/ndisc.c:702 addrconf_dad_completed+0x4f3/0x9f0 net/ipv6/addrconf.c:4241 addrconf_dad_work+0x9c1/0x1520 process_one_work+0x3ca/0x660 kernel/workqueue.c:2298 worker_thread+0x709/0xa20 kernel/workqueue.c:2444 kthread+0x389/0x3c0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 ================================================================================ ================================================================================ UBSAN: object-size-mismatch in ./include/linux/skbuff.h:1932:2 member access within address ffffc90000ba71c0 with insufficient space for an object of type 'struct sk_buff' CPU: 0 PID: 374 Comm: kworker/0:2 Not tainted 5.10.107-syzkaller-00407-g6b94b8c3b722 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: ipv6_addrconf addrconf_dad_work Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack_lvl+0x1e2/0x24b lib/dump_stack.c:118 dump_stack+0x15/0x1d lib/dump_stack.c:135 ubsan_epilogue lib/ubsan.c:148 [inline] handle_object_size_mismatch lib/ubsan.c:297 [inline] ubsan_type_mismatch_common+0x1ed/0x3a0 lib/ubsan.c:310 __ubsan_handle_type_mismatch_v1+0x5b/0x70 lib/ubsan.c:339 __skb_insert include/linux/skbuff.h:1932 [inline] __skb_queue_before include/linux/skbuff.h:2039 [inline] __skb_queue_tail include/linux/skbuff.h:2072 [inline] wg_xmit+0x513/0xae0 drivers/net/wireguard/device.c:185 __netdev_start_xmit include/linux/netdevice.h:4831 [inline] netdev_start_xmit+0x8a/0x160 include/linux/netdevice.h:4845 xmit_one net/core/dev.c:3591 [inline] dev_hard_start_xmit+0x18d/0x2f0 net/core/dev.c:3607 __dev_queue_xmit+0x100c/0x1c30 net/core/dev.c:4173 dev_queue_xmit+0x17/0x20 net/core/dev.c:4206 neigh_connected_output+0x288/0x2b0 net/core/neighbour.c:1531 neigh_output include/net/neighbour.h:524 [inline] ip6_finish_output2+0xde2/0x1440 net/ipv6/ip6_output.c:145 __ip6_finish_output+0x3e4/0x520 net/ipv6/ip6_output.c:210 ip6_finish_output+0x3f/0x220 net/ipv6/ip6_output.c:220 NF_HOOK_COND include/linux/netfilter.h:293 [inline] ip6_output+0x1f8/0x4b0 net/ipv6/ip6_output.c:243 dst_output include/net/dst.h:443 [inline] NF_HOOK+0xdd/0x280 include/linux/netfilter.h:304 ndisc_send_skb+0x646/0x9f0 net/ipv6/ndisc.c:508 ndisc_send_rs+0x26c/0x360 net/ipv6/ndisc.c:702 addrconf_dad_completed+0x4f3/0x9f0 net/ipv6/addrconf.c:4241 addrconf_dad_work+0x9c1/0x1520 process_one_work+0x3ca/0x660 kernel/workqueue.c:2298 worker_thread+0x709/0xa20 kernel/workqueue.c:2444 kthread+0x389/0x3c0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 ================================================================================ syzkaller syzkaller login: [ 6.403942][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #80!!! [ 14.443929][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #80!!! [ 14.445744][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #80!!! [ 14.497393][ T23] kauditd_printk_skb: 60 callbacks suppressed [ 14.497403][ T23] audit: type=1400 audit(1648220056.010:71): avc: denied { transition } for pid=290 comm="sshd" path="/bin/sh" dev="sda1" ino=73 scontext=system_u:system_r:initrc_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 14.528450][ T23] audit: type=1400 audit(1648220056.040:72): avc: denied { write } for pid=290 comm="sh" path="pipe:[11334]" dev="pipefs" ino=11334 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:initrc_t tclass=fifo_file permissive=1 Warning: Permanently added '10.128.0.74' (ECDSA) to the list of known hosts. 2022/03/25 14:54:23 fuzzer started 2022/03/25 14:54:23 connecting to host at 10.128.0.163:42437 2022/03/25 14:54:23 checking machine... 2022/03/25 14:54:23 checking revisions... 2022/03/25 14:54:23 testing simple program... [ 22.149680][ T23] audit: type=1400 audit(1648220063.660:73): avc: denied { getattr } for pid=362 comm="syz-fuzzer" path="user:[4026531837]" dev="nsfs" ino=4026531837 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1 [ 22.174419][ T370] cgroup: Unknown subsys name 'net' [ 22.174964][ T23] audit: type=1400 audit(1648220063.670:74): avc: denied { read } for pid=362 comm="syz-fuzzer" dev="nsfs" ino=4026531837 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1 [ 22.202358][ T23] audit: type=1400 audit(1648220063.670:75): avc: denied { open } for pid=362 comm="syz-fuzzer" path="user:[4026531837]" dev="nsfs" ino=4026531837 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1 [ 22.203113][ T370] cgroup: Unknown subsys name 'devices' [ 22.285881][ T23] audit: type=1400 audit(1648220063.680:76): avc: denied { read } for pid=362 comm="syz-fuzzer" name="raw-gadget" dev="devtmpfs" ino=165 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 22.321289][ T23] audit: type=1400 audit(1648220063.680:77): avc: denied { open } for pid=362 comm="syz-fuzzer" path="/dev/raw-gadget" dev="devtmpfs" ino=165 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 22.346181][ T23] audit: type=1400 audit(1648220063.680:78): avc: denied { mounton } for pid=370 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=1136 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 22.369551][ T23] audit: type=1400 audit(1648220063.680:79): avc: denied { mount } for pid=370 comm="syz-executor" name="/" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 22.392684][ T23] audit: type=1400 audit(1648220063.690:80): avc: denied { unmount } for pid=370 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 22.526112][ T370] cgroup: Unknown subsys name 'hugetlb' [ 22.532103][ T370] cgroup: Unknown subsys name 'rlimit' [ 22.715004][ T23] audit: type=1400 audit(1648220064.230:81): avc: denied { setattr } for pid=370 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=165 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 22.740135][ T23] audit: type=1400 audit(1648220064.250:82): avc: denied { execmem } for pid=372 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 22.794940][ T373] bridge0: port 1(bridge_slave_0) entered blocking state [ 22.802992][ T373] bridge0: port 1(bridge_slave_0) entered disabled state [ 22.810942][ T373] device bridge_slave_0 entered promiscuous mode [ 22.818193][ T373] bridge0: port 2(bridge_slave_1) entered blocking state [ 22.825875][ T373] bridge0: port 2(bridge_slave_1) entered disabled state [ 22.834205][ T373] device bridge_slave_1 entered promiscuous mode [ 22.867813][ T373] bridge0: port 2(bridge_slave_1) entered blocking state [ 22.875495][ T373] bridge0: port 2(bridge_slave_1) entered forwarding state [ 22.883012][ T373] bridge0: port 1(bridge_slave_0) entered blocking state [ 22.891208][ T373] bridge0: port 1(bridge_slave_0) entered forwarding state [ 22.914424][ T374] bridge0: port 1(bridge_slave_0) entered disabled state [ 22.923191][ T374] bridge0: port 2(bridge_slave_1) entered disabled state [ 22.931360][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 22.939730][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 22.957078][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 22.967146][ T374] bridge0: port 1(bridge_slave_0) entered blocking state [ 22.974647][ T374] bridge0: port 1(bridge_slave_0) entered forwarding state [ 22.983143][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 22.991856][ T374] bridge0: port 2(bridge_slave_1) entered blocking state [ 22.999531][ T374] bridge0: port 2(bridge_slave_1) entered forwarding state [ 23.007170][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 23.015596][ T374] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 23.030617][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 23.042938][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 23.060458][ T374] ================================================================================ [ 23.070511][ T374] UBSAN: object-size-mismatch in ./include/linux/skbuff.h:2039:28 [ 23.074059][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!! [ 23.078507][ T374] member access within address ffffc90000ba71c0 with insufficient space [ 23.096949][ T374] for an object of type 'struct sk_buff' [ 23.102674][ T374] CPU: 0 PID: 374 Comm: kworker/0:2 Not tainted 5.10.107-syzkaller-00407-g6b94b8c3b722 #0 [ 23.113160][ T374] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.124521][ T374] Workqueue: ipv6_addrconf addrconf_dad_work [ 23.130770][ T374] Call Trace: [ 23.134916][ T374] dump_stack_lvl+0x1e2/0x24b [ 23.140116][ T374] ? show_regs_print_info+0x18/0x18 [ 23.145316][ T374] ? wg_allowedips_lookup_dst+0x190/0x190 [ 23.151445][ T374] dump_stack+0x15/0x1d [ 23.156017][ T374] ubsan_type_mismatch_common+0x1ed/0x3a0 [ 23.162040][ T374] ? __sanitizer_cov_trace_switch+0x74/0x90 [ 23.168700][ T374] __ubsan_handle_type_mismatch_v1+0x5b/0x70 [ 23.175471][ T374] wg_xmit+0x4a2/0xae0 [ 23.179895][ T374] ? wg_stop+0x5d0/0x5d0 [ 23.185034][ T374] ? __sanitizer_cov_trace_const_cmp2+0x19/0x20 [ 23.191406][ T374] netdev_start_xmit+0x8a/0x160 [ 23.196505][ T374] dev_hard_start_xmit+0x18d/0x2f0 [ 23.202258][ T374] __dev_queue_xmit+0x100c/0x1c30 [ 23.207969][ T374] ? dev_queue_xmit+0x20/0x20 [ 23.213146][ T374] ? __sanitizer_cov_trace_const_cmp4+0x19/0x20 [ 23.219603][ T374] ? ndisc_constructor+0x690/0x8a0 [ 23.225173][ T374] ? _raw_write_unlock_bh+0x31/0x47 [ 23.231068][ T374] ? ___neigh_create+0x162d/0x1ab0 [ 23.236700][ T374] ? dev_hard_header+0xdb/0xf0 [ 23.241834][ T374] dev_queue_xmit+0x17/0x20 [ 23.246449][ T374] neigh_connected_output+0x288/0x2b0 [ 23.252253][ T374] ip6_finish_output2+0xde2/0x1440 [ 23.257692][ T374] ? __rcu_read_lock+0x50/0x50 [ 23.262906][ T374] ? __ip6_finish_output+0x520/0x520 [ 23.268785][ T374] ? dst_cow_metrics_generic+0x55/0x1d0 [ 23.274511][ T374] ? __sanitizer_cov_trace_const_cmp4+0x19/0x20 [ 23.281245][ T374] ? ip6_skb_dst_mtu+0xaf/0x260 [ 23.286592][ T374] __ip6_finish_output+0x3e4/0x520 [ 23.291962][ T374] ip6_finish_output+0x3f/0x220 [ 23.297324][ T374] ? ip6_output+0x1d3/0x4b0 [ 23.301846][ T374] ip6_output+0x1f8/0x4b0 [ 23.306927][ T374] ? asan.module_dtor+0x20/0x20 [ 23.311835][ T374] ? skb_dst+0x40/0x40 [ 23.316153][ T374] ? __rcu_read_lock+0x50/0x50 [ 23.321157][ T374] ? selinux_ipv6_forward+0x50/0x50 [ 23.326907][ T374] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 23.332932][ T374] ? nf_hook_slow+0x150/0x1b0 [ 23.338306][ T374] NF_HOOK+0xdd/0x280 [ 23.342678][ T374] ? addrconf_addr_solict_mult+0xe0/0xe0 [ 23.348475][ T374] ? NF_HOOK+0x280/0x280 [ 23.353393][ T374] ? __rcu_read_lock+0x50/0x50 [ 23.358163][ T374] ? __sanitizer_cov_trace_const_cmp4+0x19/0x20 [ 23.364795][ T374] ? ndisc_send_skb+0x547/0x9f0 [ 23.369725][ T374] ? memcpy+0x56/0x70 [ 23.373995][ T374] ndisc_send_skb+0x646/0x9f0 [ 23.379848][ T374] ? slab_post_alloc_hook+0x90/0xa0 [ 23.385472][ T374] ? ndisc_fill_addr_option+0x2f0/0x2f0 [ 23.392072][ T374] ? skb_set_owner_w+0x1a8/0x310 [ 23.397171][ T374] ? __sanitizer_cov_trace_cmp4+0x19/0x20 [ 23.402977][ T374] ? skb_put+0x11d/0x210 [ 23.407314][ T374] ndisc_send_rs+0x26c/0x360 [ 23.411993][ T374] addrconf_dad_completed+0x4f3/0x9f0 [ 23.417757][ T374] ? addrconf_dad_stop+0x430/0x430 [ 23.423680][ T374] addrconf_dad_work+0x9c1/0x1520 [ 23.429010][ T374] ? move_linked_works+0x118/0x130 [ 23.434510][ T374] ? ipv6_use_optimistic_addr+0x1d0/0x1d0 [ 23.440567][ T374] ? __kasan_check_write+0x14/0x20 [ 23.445806][ T374] process_one_work+0x3ca/0x660 [ 23.451579][ T374] worker_thread+0x709/0xa20 [ 23.456504][ T374] ? __kthread_parkme+0x11b/0x150 [ 23.461632][ T374] kthread+0x389/0x3c0 [ 23.465709][ T374] ? pr_cont_work+0x110/0x110 [ 23.470436][ T374] ? __list_add+0xc0/0xc0 [ 23.475158][ T374] ret_from_fork+0x1f/0x30 [ 23.479666][ T374] ================================================================================ [ 23.489457][ T374] ================================================================================ [ 23.498846][ T374] UBSAN: object-size-mismatch in ./include/linux/skbuff.h:1932:2 [ 23.507621][ T374] member access within address ffffc90000ba71c0 with insufficient space [ 23.517037][ T374] for an object of type 'struct sk_buff' [ 23.522676][ T374] CPU: 0 PID: 374 Comm: kworker/0:2 Not tainted 5.10.107-syzkaller-00407-g6b94b8c3b722 #0 [ 23.533081][ T374] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.543499][ T374] Workqueue: ipv6_addrconf addrconf_dad_work [ 23.549486][ T374] Call Trace: [ 23.552788][ T374] dump_stack_lvl+0x1e2/0x24b [ 23.557754][ T374] ? show_regs_print_info+0x18/0x18 [ 23.563428][ T374] ? irq_exit_rcu+0x9/0x10 [ 23.568210][ T374] ? sysvec_call_function_single+0xcb/0xe0 [ 23.574628][ T374] dump_stack+0x15/0x1d [ 23.578784][ T374] ubsan_type_mismatch_common+0x1ed/0x3a0 [ 23.584646][ T374] __ubsan_handle_type_mismatch_v1+0x5b/0x70 [ 23.590815][ T374] wg_xmit+0x513/0xae0 [ 23.595607][ T374] ? wg_stop+0x5d0/0x5d0 [ 23.600261][ T374] ? __sanitizer_cov_trace_const_cmp2+0x19/0x20 [ 23.606492][ T374] netdev_start_xmit+0x8a/0x160 [ 23.611625][ T374] dev_hard_start_xmit+0x18d/0x2f0 [ 23.616752][ T374] __dev_queue_xmit+0x100c/0x1c30 [ 23.622023][ T374] ? dev_queue_xmit+0x20/0x20 [ 23.627360][ T374] ? __sanitizer_cov_trace_const_cmp4+0x19/0x20 [ 23.634115][ T374] ? ndisc_constructor+0x690/0x8a0 [ 23.639543][ T374] ? _raw_write_unlock_bh+0x31/0x47 [ 23.645126][ T374] ? ___neigh_create+0x162d/0x1ab0 [ 23.650636][ T374] ? dev_hard_header+0xdb/0xf0 [ 23.655893][ T374] dev_queue_xmit+0x17/0x20 [ 23.660412][ T374] neigh_connected_output+0x288/0x2b0 [ 23.665981][ T374] ip6_finish_output2+0xde2/0x1440 [ 23.671824][ T374] ? __rcu_read_lock+0x50/0x50 [ 23.676850][ T374] ? __ip6_finish_output+0x520/0x520 [ 23.682597][ T374] ? dst_cow_metrics_generic+0x55/0x1d0 [ 23.688746][ T374] ? __sanitizer_cov_trace_const_cmp4+0x19/0x20 [ 23.695606][ T374] ? ip6_skb_dst_mtu+0xaf/0x260 [ 23.700989][ T374] __ip6_finish_output+0x3e4/0x520 [ 23.706362][ T374] ip6_finish_output+0x3f/0x220 [ 23.712423][ T374] ? ip6_output+0x1d3/0x4b0 [ 23.717296][ T374] ip6_output+0x1f8/0x4b0 [ 23.722339][ T374] ? asan.module_dtor+0x20/0x20 [ 23.727964][ T374] ? skb_dst+0x40/0x40 [ 23.732548][ T374] ? __rcu_read_lock+0x50/0x50 [ 23.737464][ T374] ? selinux_ipv6_forward+0x50/0x50 [ 23.742767][ T374] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 23.749436][ T374] ? nf_hook_slow+0x150/0x1b0 [ 23.754824][ T374] NF_HOOK+0xdd/0x280 [ 23.758885][ T374] ? addrconf_addr_solict_mult+0xe0/0xe0 [ 23.764797][ T374] ? NF_HOOK+0x280/0x280 [ 23.769147][ T374] ? __rcu_read_lock+0x50/0x50 [ 23.774000][ T374] ? __sanitizer_cov_trace_const_cmp4+0x19/0x20 [ 23.780814][ T374] ? ndisc_send_skb+0x547/0x9f0 [ 23.786355][ T374] ? memcpy+0x56/0x70 [ 23.790761][ T374] ndisc_send_skb+0x646/0x9f0 [ 23.795615][ T374] ? slab_post_alloc_hook+0x90/0xa0 [ 23.800963][ T374] ? ndisc_fill_addr_option+0x2f0/0x2f0 [ 23.806925][ T374] ? skb_set_owner_w+0x1a8/0x310 [ 23.812806][ T374] ? __sanitizer_cov_trace_cmp4+0x19/0x20 [ 23.818628][ T374] ? skb_put+0x11d/0x210 [ 23.822867][ T374] ndisc_send_rs+0x26c/0x360 [ 23.827557][ T374] addrconf_dad_completed+0x4f3/0x9f0 [ 23.833035][ T374] ? addrconf_dad_stop+0x430/0x430 [ 23.838148][ T374] addrconf_dad_work+0x9c1/0x1520 [ 23.843269][ T374] ? move_linked_works+0x118/0x130 [ 23.848362][ T374] ? ipv6_use_optimistic_addr+0x1d0/0x1d0 [ 23.854108][ T374] ? __kasan_check_write+0x14/0x20 [ 23.859447][ T374] process_one_work+0x3ca/0x660 [ 23.864676][ T374] worker_thread+0x709/0xa20 [ 23.869608][ T374] ? __kthread_parkme+0x11b/0x150 [ 23.875300][ T374] kthread+0x389/0x3c0 [ 23.879601][ T374] ? pr_cont_work+0x110/0x110 [ 23.884444][ T374] ? __list_add+0xc0/0xc0 [ 23.889231][ T374] ret_from_fork+0x1f/0x30 [ 23.894014][ T374] ================================================================================ [ 23.905143][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!! [ 23.906820][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready 2022/03/25 14:54:25 building call list... [ 23.923136][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 23.932230][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 23.953486][ T373] cgroup: cgroup: disabling cgroup2 socket matching due to net_prio or net_cls activation [ 24.502720][ T9] device bridge_slave_1 left promiscuous mode [ 24.509145][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 24.517449][ T9] device bridge_slave_0 left promiscuous mode [ 24.524175][ T9] bridge0: port 1(bridge_slave_0) entered disabled state executing program