[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 70.479821][ T27] audit: type=1800 audit(1578768597.034:25): pid=9625 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 70.500902][ T27] audit: type=1800 audit(1578768597.034:26): pid=9625 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 70.556576][ T27] audit: type=1800 audit(1578768597.034:27): pid=9625 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.53' (ECDSA) to the list of known hosts. syzkaller login: [ 81.633114][ T9780] IPVS: ftp: loaded support on port[0] = 21 [ 81.681033][ T9780] chnl_net:caif_netlink_parms(): no params data found [ 81.708122][ T9780] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.716152][ T9780] bridge0: port 1(bridge_slave_0) entered disabled state [ 81.724326][ T9780] device bridge_slave_0 entered promiscuous mode [ 81.732647][ T9780] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.739852][ T9780] bridge0: port 2(bridge_slave_1) entered disabled state [ 81.747504][ T9780] device bridge_slave_1 entered promiscuous mode [ 81.764549][ T9780] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 81.775622][ T9780] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 81.795430][ T9780] team0: Port device team_slave_0 added [ 81.802686][ T9780] team0: Port device team_slave_1 added [ 81.871465][ T9780] device hsr_slave_0 entered promiscuous mode [ 81.939281][ T9780] device hsr_slave_1 entered promiscuous mode [ 82.038639][ T9780] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 82.092339][ T9780] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 82.141257][ T9780] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 82.201696][ T9780] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 82.261259][ T9780] bridge0: port 2(bridge_slave_1) entered blocking state [ 82.268577][ T9780] bridge0: port 2(bridge_slave_1) entered forwarding state [ 82.276493][ T9780] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.283628][ T9780] bridge0: port 1(bridge_slave_0) entered forwarding state [ 82.326253][ T9780] 8021q: adding VLAN 0 to HW filter on device bond0 [ 82.340904][ T2926] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 82.352081][ T2926] bridge0: port 1(bridge_slave_0) entered disabled state [ 82.360050][ T2926] bridge0: port 2(bridge_slave_1) entered disabled state [ 82.367987][ T2926] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 82.382168][ T9780] 8021q: adding VLAN 0 to HW filter on device team0 [ 82.393040][ T2689] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 82.401680][ T2689] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.408825][ T2689] bridge0: port 1(bridge_slave_0) entered forwarding state [ 82.429521][ T2926] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 82.438059][ T2926] bridge0: port 2(bridge_slave_1) entered blocking state [ 82.445214][ T2926] bridge0: port 2(bridge_slave_1) entered forwarding state [ 82.454109][ T2926] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 82.466276][ T2926] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 82.475759][ T2926] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 82.487583][ T2689] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 82.498896][ T2926] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 82.511219][ T9780] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 82.529878][ T2689] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 82.537318][ T2689] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 82.550903][ T9780] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 82.568640][ T2926] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready executing program [ 82.590767][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 82.600431][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 82.609637][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 82.617669][ T9780] device veth0_vlan entered promiscuous mode [ 82.629845][ T9780] device veth1_vlan entered promiscuous mode [ 82.649600][ T9780] FAULT_INJECTION: forcing a failure. [ 82.649600][ T9780] name failslab, interval 1, probability 0, space 0, times 1 [ 82.662445][ T9780] CPU: 1 PID: 9780 Comm: syz-executor174 Not tainted 5.5.0-rc5-next-20200110-syzkaller #0 [ 82.672334][ T9780] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.682402][ T9780] Call Trace: [ 82.685708][ T9780] dump_stack+0x197/0x210 [ 82.690044][ T9780] should_fail.cold+0xa/0x10 [ 82.694651][ T9780] ? setup_fault_attr+0x220/0x220 [ 82.699688][ T9780] ? ___might_sleep+0x163/0x2c0 [ 82.704553][ T9780] __should_failslab+0x121/0x190 [ 82.709503][ T9780] should_failslab+0x9/0x14 [ 82.713998][ T9780] kmem_cache_alloc_trace+0x2d3/0x790 [ 82.719379][ T9780] ? tcf_chain_get_by_act+0x28/0x30 [ 82.724582][ T9780] ? tcf_action_check_ctrlact+0x5c/0x260 [ 82.730309][ T9780] tcf_police_init+0x762/0x1600 [ 82.736041][ T9780] ? tcf_police_act+0xe60/0xe60 [ 82.740893][ T9780] ? lock_downgrade+0x920/0x920 [ 82.745738][ T9780] ? __kasan_check_write+0x14/0x20 [ 82.750842][ T9780] ? do_raw_read_unlock+0x3f/0x70 [ 82.755861][ T9780] tcf_action_init_1+0x1cb/0xa40 [ 82.760799][ T9780] ? tcf_action_dump_old+0x80/0x80 [ 82.765900][ T9780] ? save_stack+0x5c/0x90 [ 82.770307][ T9780] ? __kasan_kmalloc.constprop.0+0xcf/0xe0 [ 82.776112][ T9780] ? kasan_kmalloc+0x9/0x10 [ 82.780643][ T9780] ? kmem_cache_alloc_trace+0x158/0x790 [ 82.786187][ T9780] ? u32_change+0x8ad/0x2fe0 [ 82.790896][ T9780] ? tc_new_tfilter+0xbbd/0x2590 [ 82.795855][ T9780] ? rtnetlink_rcv_msg+0x824/0xaf0 [ 82.800999][ T9780] ? netlink_rcv_skb+0x177/0x450 [ 82.805933][ T9780] ? rtnetlink_rcv+0x1d/0x30 [ 82.810534][ T9780] ? netlink_unicast+0x58c/0x7d0 [ 82.815463][ T9780] ? netlink_sendmsg+0x91c/0xea0 [ 82.820476][ T9780] ? sock_sendmsg+0xd7/0x130 [ 82.825061][ T9780] ? ____sys_sendmsg+0x358/0x880 [ 82.830003][ T9780] ? ___sys_sendmsg+0x100/0x170 [ 82.834846][ T9780] ? __sys_sendmmsg+0x1bf/0x4d0 [ 82.839683][ T9780] ? __x64_sys_sendmmsg+0x9d/0x100 [ 82.844783][ T9780] ? do_syscall_64+0xfa/0x790 [ 82.849447][ T9780] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 82.855502][ T9780] ? __lock_acquire+0x16f2/0x4a00 [ 82.860516][ T9780] ? __kasan_check_read+0x11/0x20 [ 82.865536][ T9780] ? mark_lock+0xc2/0x1220 [ 82.869967][ T9780] tcf_exts_validate+0x151/0x440 [ 82.874925][ T9780] ? tcf_exts_change+0x160/0x160 [ 82.879866][ T9780] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 82.886019][ T9780] u32_set_parms+0xc6/0xc90 [ 82.890532][ T9780] ? __kasan_kmalloc.constprop.0+0xcf/0xe0 [ 82.896329][ T9780] ? u32_delete_key_work+0x30/0x30 [ 82.901449][ T9780] ? kmem_cache_alloc_trace+0x397/0x790 [ 82.907014][ T9780] u32_change+0x998/0x2fe0 [ 82.911438][ T9780] ? u32_dump+0x1110/0x1110 [ 82.915954][ T9780] ? __kasan_check_write+0x14/0x20 [ 82.921071][ T9780] ? __mutex_unlock_slowpath+0xf0/0x6a0 [ 82.926720][ T9780] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 82.933061][ T9780] tc_new_tfilter+0xbbd/0x2590 [ 82.937842][ T9780] ? u32_dump+0x1110/0x1110 [ 82.942388][ T9780] ? tc_del_tfilter+0x1560/0x1560 [ 82.947412][ T9780] ? __kasan_check_read+0x11/0x20 [ 82.952434][ T9780] ? __lock_acquire+0x8a0/0x4a00 [ 82.957486][ T9780] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 82.963748][ T9780] ? __dev_queue_xmit+0x173f/0x35c0 [ 82.968943][ T9780] ? rtnetlink_rcv_msg+0x7e3/0xaf0 [ 82.974078][ T9780] ? find_held_lock+0x35/0x130 [ 82.978850][ T9780] ? rcu_read_lock_held_common+0x130/0x130 [ 82.984664][ T9780] ? tc_del_tfilter+0x1560/0x1560 [ 82.989686][ T9780] ? __kasan_check_read+0x11/0x20 [ 82.994703][ T9780] ? tc_del_tfilter+0x1560/0x1560 [ 82.999718][ T9780] rtnetlink_rcv_msg+0x824/0xaf0 [ 83.004650][ T9780] ? rtnl_bridge_getlink+0x910/0x910 [ 83.009949][ T9780] ? netlink_deliver_tap+0x226/0xbe0 [ 83.015251][ T9780] ? find_held_lock+0x35/0x130 [ 83.020033][ T9780] netlink_rcv_skb+0x177/0x450 [ 83.024794][ T9780] ? rtnl_bridge_getlink+0x910/0x910 [ 83.030086][ T9780] ? netlink_ack+0xb50/0xb50 [ 83.035620][ T9780] ? __kasan_check_read+0x11/0x20 [ 83.040661][ T9780] ? netlink_deliver_tap+0x248/0xbe0 [ 83.046103][ T9780] rtnetlink_rcv+0x1d/0x30 [ 83.050527][ T9780] netlink_unicast+0x58c/0x7d0 [ 83.055306][ T9780] ? netlink_attachskb+0x870/0x870 [ 83.060443][ T9780] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 83.066248][ T9780] ? __check_object_size+0x3d/0x437 [ 83.071450][ T9780] netlink_sendmsg+0x91c/0xea0 [ 83.076215][ T9780] ? netlink_unicast+0x7d0/0x7d0 [ 83.081173][ T9780] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 83.086733][ T9780] ? apparmor_socket_sendmsg+0x2a/0x30 [ 83.092194][ T9780] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 83.098426][ T9780] ? security_socket_sendmsg+0x8d/0xc0 [ 83.103879][ T9780] ? netlink_unicast+0x7d0/0x7d0 [ 83.108807][ T9780] sock_sendmsg+0xd7/0x130 [ 83.113221][ T9780] ____sys_sendmsg+0x358/0x880 [ 83.117978][ T9780] ? kernel_sendmsg+0x50/0x50 [ 83.122668][ T9780] ? __kasan_check_read+0x11/0x20 [ 83.127724][ T9780] ? __lock_acquire+0x16f2/0x4a00 [ 83.132798][ T9780] ___sys_sendmsg+0x100/0x170 [ 83.137469][ T9780] ? sendmsg_copy_msghdr+0x70/0x70 [ 83.142577][ T9780] ? __kasan_check_read+0x11/0x20 [ 83.147627][ T9780] ? __lock_acquire+0x8a0/0x4a00 [ 83.152573][ T9780] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 83.158305][ T9780] ? kstrtouint+0x142/0x1a0 [ 83.162806][ T9780] ? get_pid_task+0x11d/0x210 [ 83.167474][ T9780] ? find_held_lock+0x35/0x130 [ 83.172938][ T9780] ? get_pid_task+0x11d/0x210 [ 83.177609][ T9780] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 83.183840][ T9780] ? __fget_light+0x1a9/0x230 [ 83.188596][ T9780] ? __fdget+0x1b/0x20 [ 83.192655][ T9780] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 83.198905][ T9780] ? sockfd_lookup_light+0xcb/0x180 [ 83.204096][ T9780] __sys_sendmmsg+0x1bf/0x4d0 [ 83.208771][ T9780] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 83.213787][ T9780] ? lock_downgrade+0x920/0x920 [ 83.218662][ T9780] ? __sb_end_write+0x115/0x1a0 [ 83.223506][ T9780] ? vfs_write+0x160/0x5d0 [ 83.227919][ T9780] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 83.234146][ T9780] ? ksys_write+0x1cf/0x290 [ 83.238644][ T9780] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 83.244091][ T9780] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 83.249543][ T9780] ? do_syscall_64+0x26/0x790 [ 83.254211][ T9780] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 83.260284][ T9780] ? do_syscall_64+0x26/0x790 [ 83.265009][ T9780] __x64_sys_sendmmsg+0x9d/0x100 [ 83.269949][ T9780] do_syscall_64+0xfa/0x790 [ 83.274495][ T9780] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 83.280410][ T9780] RIP: 0033:0x4425f9 [ 83.284318][ T9780] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b 10 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 83.303926][ T9780] RSP: 002b:00007ffedb54aac8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 83.312334][ T9780] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004425f9 [ 83.320564][ T9780] RDX: 0492492492492642 RSI: 0000000020000180 RDI: 0000000000000007 [ 83.331214][ T9780] RBP: 0000000000000000 R08: 0000000000000002 R09: 0000000001bbbbbb [ 83.339172][ T9780] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 83.347142][ T9780] R13: 0000000000000008 R14: 0000000000000000 R15: 0000000000000000 [ 83.364404][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 83.372727][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 83.422950][ T9780] ------------[ cut here ]------------ [ 83.428463][ T9780] refcount_t: underflow; use-after-free. [ 83.434887][ T9780] WARNING: CPU: 1 PID: 9780 at lib/refcount.c:28 refcount_warn_saturate+0x1dc/0x1f0 [ 83.444273][ T9780] Kernel panic - not syncing: panic_on_warn set ... [ 83.450871][ T9780] CPU: 1 PID: 9780 Comm: syz-executor174 Not tainted 5.5.0-rc5-next-20200110-syzkaller #0 [ 83.460753][ T9780] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.470806][ T9780] Call Trace: [ 83.474105][ T9780] dump_stack+0x197/0x210 [ 83.478443][ T9780] ? refcount_warn_saturate+0x110/0x1f0 [ 83.483988][ T9780] panic+0x2e3/0x75c [ 83.487881][ T9780] ? add_taint.cold+0x16/0x16 [ 83.492565][ T9780] ? __kasan_check_write+0x14/0x20 [ 83.497676][ T9780] ? __warn.cold+0x14/0x3e [ 83.502242][ T9780] ? __warn+0xd9/0x1cf [ 83.506341][ T9780] ? refcount_warn_saturate+0x1dc/0x1f0 [ 83.512053][ T9780] __warn.cold+0x2f/0x3e [ 83.516307][ T9780] ? refcount_warn_saturate+0x1dc/0x1f0 [ 83.521870][ T9780] report_bug+0x289/0x300 [ 83.524933][ T43] ------------[ cut here ]------------ [ 83.526233][ T9780] do_error_trap+0x11b/0x200 [ 83.526253][ T9780] do_invalid_op+0x37/0x50 [ 83.526269][ T9780] ? refcount_warn_saturate+0x1dc/0x1f0 [ 83.531832][ T43] refcount_t: saturated; leaking memory. [ 83.537343][ T9780] invalid_op+0x23/0x30 [ 83.544743][ T43] WARNING: CPU: 0 PID: 43 at lib/refcount.c:19 refcount_warn_saturate+0xff/0x1f0 [ 83.547296][ T9780] RIP: 0010:refcount_warn_saturate+0x1dc/0x1f0 [ 83.553040][ T43] Modules linked in: [ 83.557209][ T9780] Code: e9 d8 fe ff ff 48 89 df e8 b1 a6 13 fe e9 85 fe ff ff e8 47 6e d5 fd 48 c7 c7 80 64 91 88 c6 05 4f 5b 00 07 01 e8 e3 f5 a5 fd <0f> 0b e9 ac fe ff ff 0f 1f 00 66 2e 0f 1f 84 00 00 00 00 00 55 48 [ 83.566295][ T43] CPU: 0 PID: 43 Comm: kworker/u4:2 Not tainted 5.5.0-rc5-next-20200110-syzkaller #0 [ 83.572519][ T9780] RSP: 0018:ffffc90005fd7cf8 EFLAGS: 00010286 [ 83.576391][ T43] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.597248][ T9780] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 83.606693][ T43] Workqueue: netns cleanup_net [ 83.612745][ T9780] RDX: 0000000000000000 RSI: ffffffff815e8546 RDI: fffff52000bfaf91 [ 83.622808][ T43] RIP: 0010:refcount_warn_saturate+0xff/0x1f0 [ 83.630873][ T9780] RBP: ffffc90005fd7d08 R08: ffff8880a65ee500 R09: ffffed1015d26659 [ 83.635626][ T43] Code: 1d 4f 5c 00 07 31 ff 89 de e8 6d 70 d5 fd 84 db 75 a8 e8 24 6f d5 fd 48 c7 c7 80 63 91 88 c6 05 2f 5c 00 07 01 e8 c0 f6 a5 fd <0f> 0b eb 8c e8 08 6f d5 fd 0f b6 1d 19 5c 00 07 31 ff 89 de e8 38 [ 83.643570][ T9780] R10: ffffed1015d26658 R11: ffff8880ae9332c7 R12: 0000000000000003 [ 83.643584][ T9780] R13: ffff88809aff6040 R14: ffff88809aff6044 R15: 00000000000002bc [ 83.650410][ T43] RSP: 0018:ffffc90000f273f0 EFLAGS: 00010282 [ 83.658381][ T9780] ? vprintk_func+0x86/0x189 [ 83.678079][ T43] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 83.686179][ T9780] ? refcount_warn_saturate+0x1dc/0x1f0 [ 83.694248][ T43] RDX: 0000000000000000 RSI: ffffffff815e8546 RDI: fffff520001e4e70 [ 83.694263][ T43] RBP: ffffc90000f27400 R08: ffff8880a95764c0 R09: ffffed1015d06659 [ 83.701292][ T9780] free_nsproxy+0x2eb/0x330 [ 83.705860][ T43] R10: ffffed1015d06658 R11: ffff8880ae8332c7 R12: 0000000000000000 [ 83.713956][ T9780] switch_task_namespaces+0xb3/0xd0 [ 83.719516][ T43] R13: ffff88809aff6044 R14: ffff88809aff6040 R15: 00000000c0000000 [ 83.727520][ T9780] exit_task_namespaces+0x18/0x20 [ 83.735618][ T43] FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 83.740128][ T9780] do_exit+0xbc6/0x2f70 [ 83.748162][ T43] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 83.748178][ T43] CR2: 000055748d760100 CR3: 00000000a90db000 CR4: 00000000001406f0 [ 83.753476][ T9780] ? mm_update_next_owner+0x7c0/0x7c0 [ 83.761801][ T43] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 83.766829][ T9780] ? up_read+0x1cd/0x810 [ 83.775743][ T43] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 83.779917][ T9780] ? down_read_non_owner+0x490/0x490 [ 83.786507][ T43] Call Trace: [ 83.794516][ T9780] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 83.799896][ T43] masq_inet6_event+0x578/0x6f0 [ 83.807866][ T9780] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 83.812113][ T43] ? nf_nat_masquerade_ipv4+0x750/0x750 [ 83.820436][ T9780] do_group_exit+0x135/0x360 [ 83.825698][ T43] ? __fib6_clean_all+0x1d6/0x2a0 [ 83.829166][ T9780] __x64_sys_exit_group+0x44/0x50 [ 83.834712][ T43] ? ieee80211_ifa6_changed+0xf0/0x830 [ 83.839552][ T9780] do_syscall_64+0xfa/0x790 [ 83.846550][ T43] notifier_call_chain+0xc2/0x230 [ 83.852077][ T9780] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 83.856652][ T43] __atomic_notifier_call_chain+0xa6/0x1a0 [ 83.861891][ T9780] RIP: 0033:0x441228 [ 83.866906][ T43] atomic_notifier_call_chain+0x2e/0x40 [ 83.872344][ T9780] Code: 74 20 63 6f 64 65 20 62 61 73 65 2e 00 00 00 00 00 00 72 73 79 73 6c 6f 67 64 3a 20 24 41 62 6f 72 74 4f 6e 55 6e 63 6c 65 61 <6e> 43 6f 6e 66 69 67 20 69 73 20 73 65 74 2c 20 61 6e 64 20 63 6f [ 83.876830][ T43] inet6addr_notifier_call_chain+0x25/0x30 [ 83.881910][ T9780] RSP: 002b:00007ffedb54aa88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 83.887789][ T43] addrconf_ifdown+0x8cf/0x1230 [ 83.893569][ T9780] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000441228 [ 83.897453][ T43] addrconf_notify+0x5cd/0x2310 [ 83.902988][ T9780] RDX: 0000000000000001 RSI: 000000000000003c RDI: 0000000000000001 [ 83.922687][ T43] ? _raw_spin_unlock_bh+0x2c/0x30 [ 83.928468][ T9780] RBP: 00000000004c79d0 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 83.936859][ T43] ? __local_bh_enable_ip+0x15a/0x270 [ 83.941717][ T9780] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 83.949812][ T43] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 83.954650][ T9780] R13: 00000000006daa80 R14: 0000000000000000 R15: 0000000000000000 [ 83.962627][ T43] ? tls_dev_event+0x11c/0xd70 [ 84.008612][ T43] ? clusterip_netdev_event+0x46f/0x670 [ 84.014154][ T43] ? trace_hardirqs_on+0x67/0x240 [ 84.019174][ T43] ? clusterip_netdev_event+0x46f/0x670 [ 84.025491][ T43] ? inet6_ifinfo_notify+0x150/0x150 [ 84.030769][ T43] ? _raw_spin_unlock_bh+0x2c/0x30 [ 84.036093][ T43] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 84.042365][ T43] ? ip6mr_device_event+0x1ad/0x220 [ 84.047585][ T43] notifier_call_chain+0xc2/0x230 [ 84.053508][ T43] ? notifier_call_chain+0xc2/0x230 [ 84.058739][ T43] raw_notifier_call_chain+0x2e/0x40 [ 84.064047][ T43] call_netdevice_notifiers_info+0xba/0x130 [ 84.069948][ T43] dev_close_many+0x32a/0x6c0 [ 84.074652][ T43] ? netdev_master_upper_dev_link+0x50/0x50 [ 84.080542][ T43] rollback_registered_many+0x42e/0x1030 [ 84.086172][ T43] ? __kasan_check_write+0x14/0x20 [ 84.091275][ T43] ? osq_unlock+0x2a/0x1f0 [ 84.095685][ T43] ? netif_set_real_num_tx_queues+0x720/0x720 [ 84.101746][ T43] ? rtnl_lock+0x17/0x20 [ 84.106332][ T43] ? mutex_trylock+0x2d0/0x2d0 [ 84.111121][ T43] rollback_registered+0x109/0x1d0 [ 84.116230][ T43] ? rollback_registered_many+0x1030/0x1030 [ 84.122136][ T43] unregister_netdevice_queue+0x1ee/0x2c0 [ 84.128658][ T43] nsim_destroy+0x3a/0x70 [ 84.132991][ T43] __nsim_dev_port_del+0x150/0x1f0 [ 84.138106][ T43] nsim_dev_port_del_all+0x8b/0xe0 [ 84.143329][ T43] nsim_dev_reload_destroy+0x58/0xf0 [ 84.148610][ T43] nsim_dev_reload_down+0x73/0xe0 [ 84.153631][ T43] devlink_reload+0xc8/0x3c0 [ 84.158218][ T43] ? devlink_nl_cmd_reload+0x7e0/0x7e0 [ 84.163684][ T43] devlink_pernet_pre_exit+0x104/0x1a0 [ 84.169134][ T43] ? devlink_nl_cmd_reload+0x7e0/0x7e0 [ 84.174669][ T43] cleanup_net+0x49b/0xaf0 [ 84.179093][ T43] ? unregister_pernet_device+0x80/0x80 [ 84.184627][ T43] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 84.190300][ T43] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 84.196291][ T43] ? trace_hardirqs_on+0x67/0x240 [ 84.201316][ T43] process_one_work+0x9af/0x1740 [ 84.206342][ T43] ? pwq_dec_nr_in_flight+0x320/0x320 [ 84.211711][ T43] ? lock_acquire+0x190/0x410 [ 84.216560][ T43] worker_thread+0x98/0xe40 [ 84.221075][ T43] kthread+0x361/0x430 [ 84.225306][ T43] ? process_one_work+0x1740/0x1740 [ 84.230492][ T43] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 84.236595][ T43] ret_from_fork+0x24/0x30 [ 84.241800][ T43] irq event stamp: 411358 [ 84.246139][ T43] hardirqs last enabled at (411357): [] _raw_spin_unlock_irq+0x23/0x80 [ 84.256119][ T43] hardirqs last disabled at (411358): [] trace_hardirqs_off_thunk+0x1a/0x1c [ 84.266364][ T43] softirqs last enabled at (411324): [] __fib6_clean_all+0x120/0x2a0 [ 84.276608][ T43] softirqs last disabled at (411318): [] __fib6_clean_all+0xff/0x2a0 [ 84.286347][ T43] ---[ end trace 50d41014fd0533ee ]--- [ 84.293296][ T9780] Kernel Offset: disabled [ 84.297857][ T9780] Rebooting in 86400 seconds..