[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 78.575074][ T27] audit: type=1800 audit(1582159505.587:25): pid=9825 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 78.594962][ T27] audit: type=1800 audit(1582159505.587:26): pid=9825 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [ 79.247010][ T9892] sshd (9892) used greatest stack depth: 22776 bytes left [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.113' (ECDSA) to the list of known hosts. syzkaller login: [ 86.751259][ T9981] IPVS: ftp: loaded support on port[0] = 21 [ 86.801044][ T9981] chnl_net:caif_netlink_parms(): no params data found [ 86.840252][ T9981] bridge0: port 1(bridge_slave_0) entered blocking state [ 86.847842][ T9981] bridge0: port 1(bridge_slave_0) entered disabled state [ 86.855995][ T9981] device bridge_slave_0 entered promiscuous mode [ 86.864674][ T9981] bridge0: port 2(bridge_slave_1) entered blocking state [ 86.871909][ T9981] bridge0: port 2(bridge_slave_1) entered disabled state [ 86.879546][ T9981] device bridge_slave_1 entered promiscuous mode [ 86.897407][ T9981] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 86.908362][ T9981] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 86.927881][ T9981] team0: Port device team_slave_0 added [ 86.935860][ T9981] team0: Port device team_slave_1 added [ 86.950543][ T9981] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 86.957672][ T9981] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 86.983753][ T9981] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 86.996318][ T9981] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 87.003337][ T9981] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 87.029303][ T9981] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 87.132848][ T9981] device hsr_slave_0 entered promiscuous mode [ 87.191044][ T9981] device hsr_slave_1 entered promiscuous mode [ 87.323494][ T9981] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 87.404158][ T9981] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 87.463869][ T9981] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 87.523399][ T9981] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 87.606288][ T9981] bridge0: port 2(bridge_slave_1) entered blocking state [ 87.613483][ T9981] bridge0: port 2(bridge_slave_1) entered forwarding state [ 87.621454][ T9981] bridge0: port 1(bridge_slave_0) entered blocking state [ 87.628526][ T9981] bridge0: port 1(bridge_slave_0) entered forwarding state [ 87.674836][ T9981] 8021q: adding VLAN 0 to HW filter on device bond0 [ 87.687202][ T2696] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 87.697146][ T2696] bridge0: port 1(bridge_slave_0) entered disabled state [ 87.705375][ T2696] bridge0: port 2(bridge_slave_1) entered disabled state [ 87.713801][ T2696] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 87.728352][ T9981] 8021q: adding VLAN 0 to HW filter on device team0 [ 87.754479][ T2696] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 87.763692][ T2696] bridge0: port 1(bridge_slave_0) entered blocking state [ 87.770809][ T2696] bridge0: port 1(bridge_slave_0) entered forwarding state [ 87.778512][ T2696] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 87.787404][ T2696] bridge0: port 2(bridge_slave_1) entered blocking state [ 87.794504][ T2696] bridge0: port 2(bridge_slave_1) entered forwarding state [ 87.802566][ T2696] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 87.820574][ T9981] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 87.831216][ T9981] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 87.844943][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 87.853654][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 87.862250][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 87.871526][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 87.880284][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 87.906508][ T2719] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 87.915158][ T2719] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 87.927637][ T9981] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 87.946116][ T2719] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 87.955697][ T2719] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 87.975078][ T9981] device veth0_vlan entered promiscuous mode [ 87.982508][ T2718] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 87.990629][ T2718] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 88.000020][ T2718] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 88.007896][ T2718] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 88.020437][ T9981] device veth1_vlan entered promiscuous mode [ 88.041704][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 88.049735][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 88.058130][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 88.066826][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 88.078456][ T9981] device veth0_macvtap entered promiscuous mode [ 88.089602][ T9981] device veth1_macvtap entered promiscuous mode [ 88.106864][ T9981] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 88.114445][ T2718] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 88.123356][ T2718] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 88.131892][ T2718] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 88.140595][ T2718] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 88.152820][ T9981] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 88.163750][ T2719] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 88.172405][ T2719] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready executing program [ 88.321032][ C1] ================================================================== [ 88.329210][ C1] BUG: KASAN: use-after-free in find_match+0xb39/0xc90 [ 88.336040][ C1] Read of size 8 at addr ffff8880997bc320 by task ksoftirqd/1/16 [ 88.343730][ C1] [ 88.346043][ C1] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 5.6.0-rc2-syzkaller #0 [ 88.354167][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 88.364254][ C1] Call Trace: [ 88.367530][ C1] dump_stack+0x197/0x210 [ 88.371843][ C1] ? find_match+0xb39/0xc90 [ 88.376329][ C1] print_address_description.constprop.0.cold+0xd4/0x30b [ 88.383328][ C1] ? find_match+0xb39/0xc90 [ 88.387809][ C1] ? find_match+0xb39/0xc90 [ 88.392294][ C1] __kasan_report.cold+0x1b/0x32 [ 88.397273][ C1] ? find_match+0xb39/0xc90 [ 88.401763][ C1] kasan_report+0x12/0x20 [ 88.406072][ C1] __asan_report_load8_noabort+0x14/0x20 [ 88.411682][ C1] find_match+0xb39/0xc90 [ 88.415987][ C1] ? rcu_read_lock_held+0x9c/0xb0 [ 88.420995][ C1] ? rcu_read_lock_held_common+0x130/0x130 [ 88.426792][ C1] __find_rr_leaf+0x14e/0x750 [ 88.431458][ C1] ? nexthop_is_blackhole+0x690/0x690 [ 88.436814][ C1] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 88.442951][ C1] ? rcu_read_lock_held+0x9c/0xb0 [ 88.447955][ C1] ? rcu_read_lock_held_common+0x130/0x130 [ 88.453744][ C1] fib6_table_lookup+0x697/0xdb0 [ 88.458676][ C1] ? rt6_age_exceptions+0x130/0x130 [ 88.463865][ C1] ? __kasan_check_read+0x11/0x20 [ 88.468870][ C1] ip6_pol_route+0x1f6/0xa70 [ 88.473442][ C1] ? ip6_pol_route_lookup+0x12e0/0x12e0 [ 88.478966][ C1] ? csum_partial_ext+0x26/0x30 [ 88.483799][ C1] ? __skb_checksum+0x546/0x830 [ 88.488635][ C1] ip6_pol_route_input+0x65/0x80 [ 88.493556][ C1] fib6_rule_lookup+0x133/0x7d0 [ 88.498428][ C1] ? __skb_checksum_complete_head+0x2f0/0x2f0 [ 88.504473][ C1] ? skb_send_sock_locked+0x7e0/0x7e0 [ 88.509821][ C1] ? ip6_pol_route+0xa70/0xa70 [ 88.514567][ C1] ? fib6_lookup+0x340/0x340 [ 88.519144][ C1] ? nf_ip6_checksum+0x107/0x340 [ 88.524089][ C1] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 88.530306][ C1] ? nf_conntrack_icmpv6_error+0x3c1/0x560 [ 88.536111][ C1] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 88.541991][ C1] ip6_route_input_lookup+0xb7/0xd0 [ 88.547183][ C1] ip6_route_input+0x5f0/0xa40 [ 88.551931][ C1] ? ip6_route_check_nh+0x670/0x670 [ 88.557110][ C1] ? cpuup_canceled+0x100/0x1d0 [ 88.561957][ C1] ? rcu_read_lock_held+0x9c/0xb0 [ 88.566960][ C1] ? rcu_read_lock_held_common+0x130/0x130 [ 88.572754][ C1] ip6_rcv_finish_core.isra.0+0x174/0x590 [ 88.578469][ C1] ip6_rcv_finish+0x17a/0x310 [ 88.583130][ C1] ipv6_rcv+0x10e/0x420 [ 88.587280][ C1] ? ip6_rcv_core.isra.0+0x1c30/0x1c30 [ 88.592812][ C1] ? ip6_rcv_finish_core.isra.0+0x590/0x590 [ 88.598691][ C1] ? ip6_rcv_core.isra.0+0x1c30/0x1c30 [ 88.604129][ C1] __netif_receive_skb_one_core+0x113/0x1a0 [ 88.610021][ C1] ? __netif_receive_skb_core+0x30b0/0x30b0 [ 88.615921][ C1] ? lock_acquire+0x190/0x410 [ 88.620576][ C1] ? process_backlog+0x1b5/0x780 [ 88.625503][ C1] __netif_receive_skb+0x2c/0x1d0 [ 88.630507][ C1] process_backlog+0x226/0x780 [ 88.635251][ C1] ? net_rx_action+0x27b/0x1120 [ 88.640084][ C1] ? lockdep_hardirqs_on+0x19e/0x5e0 [ 88.645355][ C1] net_rx_action+0x508/0x1120 [ 88.650041][ C1] ? napi_busy_loop+0x970/0x970 [ 88.654876][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 88.660400][ C1] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 88.666366][ C1] ? trace_hardirqs_on+0x67/0x240 [ 88.671383][ C1] __do_softirq+0x262/0x98c [ 88.675881][ C1] ? takeover_tasklets+0x820/0x820 [ 88.680972][ C1] run_ksoftirqd+0x8e/0x110 [ 88.685474][ C1] smpboot_thread_fn+0x6a3/0xa40 [ 88.690398][ C1] ? __smpboot_create_thread.part.0+0x340/0x340 [ 88.696623][ C1] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 88.702842][ C1] ? __kthread_parkme+0x108/0x1c0 [ 88.707844][ C1] ? __kasan_check_read+0x11/0x20 [ 88.712892][ C1] kthread+0x361/0x430 [ 88.716943][ C1] ? __smpboot_create_thread.part.0+0x340/0x340 [ 88.723162][ C1] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 88.728864][ C1] ret_from_fork+0x24/0x30 [ 88.733271][ C1] [ 88.735578][ C1] Allocated by task 9981: [ 88.739903][ C1] save_stack+0x23/0x90 [ 88.744036][ C1] __kasan_kmalloc.constprop.0+0xcf/0xe0 [ 88.749645][ C1] kasan_kmalloc+0x9/0x10 [ 88.753954][ C1] __kmalloc_node+0x4e/0x70 [ 88.758435][ C1] kvmalloc_node+0x68/0x100 [ 88.762920][ C1] alloc_netdev_mqs+0x98/0xe40 [ 88.767661][ C1] vti6_init_net+0x244/0x810 [ 88.772240][ C1] ops_init+0xb3/0x420 [ 88.776289][ C1] setup_net+0x2d5/0x8b0 [ 88.780509][ C1] copy_net_ns+0x29e/0x5a0 [ 88.784906][ C1] create_new_namespaces+0x403/0xb50 [ 88.790191][ C1] unshare_nsproxy_namespaces+0xc2/0x200 [ 88.795824][ C1] ksys_unshare+0x444/0x980 [ 88.800310][ C1] __x64_sys_unshare+0x31/0x40 [ 88.805184][ C1] do_syscall_64+0xfa/0x790 [ 88.809722][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 88.815593][ C1] [ 88.817903][ C1] Freed by task 9981: [ 88.821865][ C1] save_stack+0x23/0x90 [ 88.825998][ C1] __kasan_slab_free+0x102/0x150 [ 88.830915][ C1] kasan_slab_free+0xe/0x10 [ 88.835395][ C1] kfree+0x10a/0x2c0 [ 88.839394][ C1] __netdev_name_node_alt_destroy+0x1ff/0x2a0 [ 88.845460][ C1] netdev_name_node_alt_destroy+0x57/0x80 [ 88.851181][ C1] rtnl_linkprop.isra.0+0x575/0x6f0 [ 88.856353][ C1] rtnl_dellinkprop+0x46/0x60 [ 88.861004][ C1] rtnetlink_rcv_msg+0x45e/0xaf0 [ 88.865917][ C1] netlink_rcv_skb+0x177/0x450 [ 88.870656][ C1] rtnetlink_rcv+0x1d/0x30 [ 88.875049][ C1] netlink_unicast+0x59e/0x7e0 [ 88.879805][ C1] netlink_sendmsg+0x91c/0xea0 [ 88.884545][ C1] sock_sendmsg+0xd7/0x130 [ 88.888952][ C1] ____sys_sendmsg+0x753/0x880 [ 88.893721][ C1] ___sys_sendmsg+0x100/0x170 [ 88.898389][ C1] __sys_sendmsg+0x105/0x1d0 [ 88.902959][ C1] __x64_sys_sendmsg+0x78/0xb0 [ 88.907702][ C1] do_syscall_64+0xfa/0x790 [ 88.912204][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 88.918080][ C1] [ 88.920390][ C1] The buggy address belongs to the object at ffff8880997bc000 [ 88.920390][ C1] which belongs to the cache kmalloc-4k of size 4096 [ 88.934420][ C1] The buggy address is located 800 bytes inside of [ 88.934420][ C1] 4096-byte region [ffff8880997bc000, ffff8880997bd000) [ 88.947757][ C1] The buggy address belongs to the page: [ 88.953385][ C1] page:ffffea000265ef00 refcount:1 mapcount:0 mapping:ffff8880aa402000 index:0x0 compound_mapcount: 0 [ 88.964289][ C1] flags: 0xfffe0000010200(slab|head) [ 88.969552][ C1] raw: 00fffe0000010200 ffffea0002a26388 ffffea0002640208 ffff8880aa402000 [ 88.978130][ C1] raw: 0000000000000000 ffff8880997bc000 0000000100000001 0000000000000000 [ 88.986716][ C1] page dumped because: kasan: bad access detected [ 88.993165][ C1] [ 88.995473][ C1] Memory state around the buggy address: [ 89.001082][ C1] ffff8880997bc200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 89.009122][ C1] ffff8880997bc280: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 89.017219][ C1] >ffff8880997bc300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 89.025261][ C1] ^ [ 89.030349][ C1] ffff8880997bc380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 89.038390][ C1] ffff8880997bc400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 89.046448][ C1] ================================================================== [ 89.054500][ C1] Disabling lock debugging due to kernel taint [ 89.060697][ C1] Kernel panic - not syncing: panic_on_warn set ... [ 89.067292][ C1] CPU: 1 PID: 16 Comm: ksoftirqd/1 Tainted: G B 5.6.0-rc2-syzkaller #0 [ 89.076826][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 89.086862][ C1] Call Trace: [ 89.090131][ C1] dump_stack+0x197/0x210 [ 89.094545][ C1] panic+0x2e3/0x75c [ 89.098556][ C1] ? add_taint.cold+0x16/0x16 [ 89.103225][ C1] ? trace_hardirqs_on+0x5e/0x240 [ 89.108225][ C1] ? trace_hardirqs_on+0x5e/0x240 [ 89.113229][ C1] ? find_match+0xb39/0xc90 [ 89.117758][ C1] end_report+0x47/0x4f [ 89.121892][ C1] ? find_match+0xb39/0xc90 [ 89.126457][ C1] __kasan_report.cold+0xe/0x32 [ 89.131296][ C1] ? find_match+0xb39/0xc90 [ 89.135779][ C1] kasan_report+0x12/0x20 [ 89.140090][ C1] __asan_report_load8_noabort+0x14/0x20 [ 89.145705][ C1] find_match+0xb39/0xc90 [ 89.150010][ C1] ? rcu_read_lock_held+0x9c/0xb0 [ 89.155013][ C1] ? rcu_read_lock_held_common+0x130/0x130 [ 89.160824][ C1] __find_rr_leaf+0x14e/0x750 [ 89.165482][ C1] ? nexthop_is_blackhole+0x690/0x690 [ 89.170835][ C1] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 89.176965][ C1] ? rcu_read_lock_held+0x9c/0xb0 [ 89.181968][ C1] ? rcu_read_lock_held_common+0x130/0x130 [ 89.187751][ C1] fib6_table_lookup+0x697/0xdb0 [ 89.192676][ C1] ? rt6_age_exceptions+0x130/0x130 [ 89.197862][ C1] ? __kasan_check_read+0x11/0x20 [ 89.202868][ C1] ip6_pol_route+0x1f6/0xa70 [ 89.207440][ C1] ? ip6_pol_route_lookup+0x12e0/0x12e0 [ 89.212989][ C1] ? csum_partial_ext+0x26/0x30 [ 89.217879][ C1] ? __skb_checksum+0x546/0x830 [ 89.222717][ C1] ip6_pol_route_input+0x65/0x80 [ 89.227637][ C1] fib6_rule_lookup+0x133/0x7d0 [ 89.232465][ C1] ? __skb_checksum_complete_head+0x2f0/0x2f0 [ 89.238504][ C1] ? skb_send_sock_locked+0x7e0/0x7e0 [ 89.243895][ C1] ? ip6_pol_route+0xa70/0xa70 [ 89.248632][ C1] ? fib6_lookup+0x340/0x340 [ 89.253240][ C1] ? nf_ip6_checksum+0x107/0x340 [ 89.258159][ C1] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 89.264374][ C1] ? nf_conntrack_icmpv6_error+0x3c1/0x560 [ 89.270183][ C1] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 89.276142][ C1] ip6_route_input_lookup+0xb7/0xd0 [ 89.281326][ C1] ip6_route_input+0x5f0/0xa40 [ 89.286068][ C1] ? ip6_route_check_nh+0x670/0x670 [ 89.291251][ C1] ? cpuup_canceled+0x100/0x1d0 [ 89.296090][ C1] ? rcu_read_lock_held+0x9c/0xb0 [ 89.301094][ C1] ? rcu_read_lock_held_common+0x130/0x130 [ 89.306881][ C1] ip6_rcv_finish_core.isra.0+0x174/0x590 [ 89.312580][ C1] ip6_rcv_finish+0x17a/0x310 [ 89.317236][ C1] ipv6_rcv+0x10e/0x420 [ 89.321473][ C1] ? ip6_rcv_core.isra.0+0x1c30/0x1c30 [ 89.326948][ C1] ? ip6_rcv_finish_core.isra.0+0x590/0x590 [ 89.332871][ C1] ? ip6_rcv_core.isra.0+0x1c30/0x1c30 [ 89.338307][ C1] __netif_receive_skb_one_core+0x113/0x1a0 [ 89.344179][ C1] ? __netif_receive_skb_core+0x30b0/0x30b0 [ 89.350047][ C1] ? lock_acquire+0x190/0x410 [ 89.354697][ C1] ? process_backlog+0x1b5/0x780 [ 89.359611][ C1] __netif_receive_skb+0x2c/0x1d0 [ 89.364613][ C1] process_backlog+0x226/0x780 [ 89.369349][ C1] ? net_rx_action+0x27b/0x1120 [ 89.374240][ C1] ? lockdep_hardirqs_on+0x19e/0x5e0 [ 89.379501][ C1] net_rx_action+0x508/0x1120 [ 89.384159][ C1] ? napi_busy_loop+0x970/0x970 [ 89.389030][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 89.394557][ C1] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 89.400513][ C1] ? trace_hardirqs_on+0x67/0x240 [ 89.405516][ C1] __do_softirq+0x262/0x98c [ 89.409998][ C1] ? takeover_tasklets+0x820/0x820 [ 89.415087][ C1] run_ksoftirqd+0x8e/0x110 [ 89.419566][ C1] smpboot_thread_fn+0x6a3/0xa40 [ 89.424504][ C1] ? __smpboot_create_thread.part.0+0x340/0x340 [ 89.430736][ C1] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 89.437041][ C1] ? __kthread_parkme+0x108/0x1c0 [ 89.442059][ C1] ? __kasan_check_read+0x11/0x20 [ 89.447064][ C1] kthread+0x361/0x430 [ 89.451111][ C1] ? __smpboot_create_thread.part.0+0x340/0x340 [ 89.457324][ C1] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 89.463022][ C1] ret_from_fork+0x24/0x30 [ 89.468656][ C1] Kernel Offset: disabled [ 89.472982][ C1] Rebooting in 86400 seconds..