[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 77.427453][ T26] kauditd_printk_skb: 4 callbacks suppressed [ 77.427465][ T26] audit: type=1800 audit(1578467944.802:29): pid=9904 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 77.455179][ T26] audit: type=1800 audit(1578467944.812:30): pid=9904 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.55' (ECDSA) to the list of known hosts. 2020/01/08 07:19:15 parsed 1 programs 2020/01/08 07:19:17 executed programs: 0 syzkaller login: [ 90.236672][T10075] IPVS: ftp: loaded support on port[0] = 21 [ 90.316542][T10075] chnl_net:caif_netlink_parms(): no params data found [ 90.349691][T10075] bridge0: port 1(bridge_slave_0) entered blocking state [ 90.358037][T10075] bridge0: port 1(bridge_slave_0) entered disabled state [ 90.367212][T10075] device bridge_slave_0 entered promiscuous mode [ 90.377985][T10075] bridge0: port 2(bridge_slave_1) entered blocking state [ 90.386384][T10075] bridge0: port 2(bridge_slave_1) entered disabled state [ 90.394636][T10075] device bridge_slave_1 entered promiscuous mode [ 90.416242][T10075] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 90.429028][T10075] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 90.452292][T10075] team0: Port device team_slave_0 added [ 90.463136][T10075] team0: Port device team_slave_1 added [ 90.564136][T10075] device hsr_slave_0 entered promiscuous mode [ 90.621665][T10075] device hsr_slave_1 entered promiscuous mode [ 90.759080][T10075] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 90.813893][T10075] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 90.873492][T10075] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 90.933561][T10075] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 91.004441][T10075] bridge0: port 2(bridge_slave_1) entered blocking state [ 91.011694][T10075] bridge0: port 2(bridge_slave_1) entered forwarding state [ 91.019607][T10075] bridge0: port 1(bridge_slave_0) entered blocking state [ 91.026750][T10075] bridge0: port 1(bridge_slave_0) entered forwarding state [ 91.069139][T10075] 8021q: adding VLAN 0 to HW filter on device bond0 [ 91.086171][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 91.098500][ T5] bridge0: port 1(bridge_slave_0) entered disabled state [ 91.107924][ T5] bridge0: port 2(bridge_slave_1) entered disabled state [ 91.116992][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 91.131077][T10075] 8021q: adding VLAN 0 to HW filter on device team0 [ 91.142751][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 91.152298][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 91.159406][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 91.183403][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 91.193633][ T44] bridge0: port 2(bridge_slave_1) entered blocking state [ 91.200902][ T44] bridge0: port 2(bridge_slave_1) entered forwarding state [ 91.209167][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 91.220785][ T2760] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 91.239598][T10075] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 91.250544][T10075] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 91.263415][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 91.273367][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 91.283398][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 91.292122][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 91.311338][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 91.319740][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 91.334424][T10075] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 91.354835][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 91.363695][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 91.383845][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 91.393403][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 91.404004][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 91.412278][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 91.422873][T10075] device veth0_vlan entered promiscuous mode [ 91.435328][T10075] device veth1_vlan entered promiscuous mode [ 91.548898][T10079] kasan: CONFIG_KASAN_INLINE enabled [ 91.554577][T10079] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 91.563230][T10079] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 91.570393][T10079] CPU: 0 PID: 10079 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 91.579149][T10079] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 91.589313][T10079] RIP: 0010:hash_netport6_uadt+0x21d/0xdb0 [ 91.595449][T10079] Code: 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 3a 09 00 00 4c 89 f2 45 8b 7f 04 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 14 02 4c 89 f0 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 ff [ 91.615146][T10079] RSP: 0018:ffffc90002077160 EFLAGS: 00010246 [ 91.621262][T10079] RAX: dffffc0000000000 RBX: ffffc90002077320 RCX: 0000000000000000 [ 91.629634][T10079] RDX: 0000000000000000 RSI: ffffffff8680fd4a RDI: ffff8880a774f460 [ 91.639496][T10079] RBP: ffffc900020772b8 R08: 0000000000000000 R09: 0000000000000000 [ 91.647480][T10079] R10: ffffed1015d0703c R11: ffff8880ae8381e3 R12: ffff8880a28c6700 [ 91.655720][T10079] R13: ffffc900020771e0 R14: 0000000000000000 R15: 0000000000000000 [ 91.663704][T10079] FS: 00007f34b39a8700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 91.672636][T10079] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 91.679579][T10079] CR2: 0000000000000000 CR3: 00000000a2b58000 CR4: 00000000001406f0 [ 91.687659][T10079] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 91.696436][T10079] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 91.704552][T10079] Call Trace: [ 91.707853][T10079] ? hash_netport_create+0xa60/0xa60 [ 91.713370][T10079] ? hash_netport6_same_set+0x1a0/0x1a0 [ 91.719015][T10079] ? ip_set_utest+0x4aa/0x890 [ 91.723701][T10079] ? __kasan_check_read+0x11/0x20 [ 91.728740][T10079] ip_set_utest+0x55b/0x890 [ 91.733364][T10079] ? ip_set_put_byindex+0x490/0x490 [ 91.738745][T10079] ? __mutex_lock+0x458/0x13c0 [ 91.744461][T10079] ? ip_set_put_byindex+0x490/0x490 [ 91.749850][T10079] nfnetlink_rcv_msg+0xcf2/0xfb0 [ 91.754831][T10079] ? nfnetlink_bind+0x2c0/0x2c0 [ 91.759684][T10079] ? find_held_lock+0x35/0x130 [ 91.764549][T10079] ? __local_bh_enable_ip+0x15a/0x270 [ 91.773001][T10079] ? __dev_queue_xmit+0x175c/0x35c0 [ 91.778295][T10079] ? __local_bh_enable_ip+0x15a/0x270 [ 91.783677][T10079] ? lockdep_hardirqs_on+0x421/0x5e0 [ 91.789222][T10079] ? __dev_queue_xmit+0x172e/0x35c0 [ 91.794564][T10079] ? trace_hardirqs_on+0x67/0x240 [ 91.799718][T10079] ? __dev_queue_xmit+0x172e/0x35c0 [ 91.804933][T10079] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 91.811193][T10079] ? apparmor_capable+0x497/0x900 [ 91.816224][T10079] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 91.822462][T10079] ? __kasan_check_read+0x11/0x20 [ 91.827633][T10079] ? apparmor_cred_prepare+0x7b0/0x7b0 [ 91.833217][T10079] netlink_rcv_skb+0x177/0x450 [ 91.838124][T10079] ? nfnetlink_bind+0x2c0/0x2c0 [ 91.843236][T10079] ? netlink_ack+0xb50/0xb50 [ 91.848104][T10079] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 91.854377][T10079] ? ns_capable_common+0x93/0x100 [ 91.859404][T10079] ? ns_capable+0x20/0x30 [ 91.863750][T10079] ? __netlink_ns_capable+0x104/0x140 [ 91.869527][T10079] nfnetlink_rcv+0x1ba/0x460 [ 91.874122][T10079] ? nfnetlink_rcv_batch+0x17a0/0x17a0 [ 91.879722][T10079] ? netlink_deliver_tap+0x24a/0xbe0 [ 91.885386][T10079] netlink_unicast+0x58c/0x7d0 [ 91.890519][T10079] ? netlink_attachskb+0x870/0x870 [ 91.895726][T10079] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 91.901528][T10079] ? __check_object_size+0x3d/0x437 [ 91.906915][T10079] netlink_sendmsg+0x91c/0xea0 [ 91.911670][T10079] ? netlink_unicast+0x7d0/0x7d0 [ 91.916593][T10079] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 91.922322][T10079] ? apparmor_socket_sendmsg+0x2a/0x30 [ 91.929669][T10079] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 91.935926][T10079] ? security_socket_sendmsg+0x8d/0xc0 [ 91.941389][T10079] ? netlink_unicast+0x7d0/0x7d0 [ 91.946587][T10079] sock_sendmsg+0xd7/0x130 [ 91.951006][T10079] ____sys_sendmsg+0x753/0x880 [ 91.955925][T10079] ? kernel_sendmsg+0x50/0x50 [ 91.960764][T10079] ? __fget+0x35d/0x550 [ 91.965012][T10079] ? find_held_lock+0x35/0x130 [ 91.969866][T10079] ___sys_sendmsg+0x100/0x170 [ 91.974548][T10079] ? sendmsg_copy_msghdr+0x70/0x70 [ 91.979758][T10079] ? __kasan_check_read+0x11/0x20 [ 91.984872][T10079] ? __fget+0x37f/0x550 [ 91.989113][T10079] ? ksys_dup3+0x3e0/0x3e0 [ 91.995188][T10079] ? __fget_light+0x1a9/0x230 [ 91.999865][T10079] ? __fdget+0x1b/0x20 [ 92.004375][T10079] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 92.010628][T10079] __sys_sendmsg+0x105/0x1d0 [ 92.015412][T10079] ? __sys_sendmsg_sock+0xc0/0xc0 [ 92.020535][T10079] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 92.026283][T10079] ? do_syscall_64+0x26/0x790 [ 92.031301][T10079] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 92.037366][T10079] ? do_syscall_64+0x26/0x790 [ 92.042238][T10079] __x64_sys_sendmsg+0x78/0xb0 [ 92.047092][T10079] do_syscall_64+0xfa/0x790 [ 92.051664][T10079] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 92.057663][T10079] RIP: 0033:0x45af49 [ 92.061642][T10079] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 92.081678][T10079] RSP: 002b:00007f34b39a7c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 92.090543][T10079] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 92.099824][T10079] RDX: 0000000000000000 RSI: 0000000020000340 RDI: 0000000000000007 [ 92.107787][T10079] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 92.115753][T10079] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f34b39a86d4 [ 92.123883][T10079] R13: 00000000004c9e62 R14: 00000000004e2e98 R15: 00000000ffffffff [ 92.132806][T10079] Modules linked in: [ 92.136846][T10079] ---[ end trace 7984c015f140cf61 ]--- [ 92.142368][T10079] RIP: 0010:hash_netport6_uadt+0x21d/0xdb0 [ 92.148225][T10079] Code: 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 3a 09 00 00 4c 89 f2 45 8b 7f 04 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 14 02 4c 89 f0 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 ff [ 92.169511][T10079] RSP: 0018:ffffc90002077160 EFLAGS: 00010246 [ 92.175700][T10079] RAX: dffffc0000000000 RBX: ffffc90002077320 RCX: 0000000000000000 [ 92.184754][T10079] RDX: 0000000000000000 RSI: ffffffff8680fd4a RDI: ffff8880a774f460 [ 92.192931][T10079] RBP: ffffc900020772b8 R08: 0000000000000000 R09: 0000000000000000 [ 92.201798][T10079] R10: ffffed1015d0703c R11: ffff8880ae8381e3 R12: ffff8880a28c6700 [ 92.209895][T10079] R13: ffffc900020771e0 R14: 0000000000000000 R15: 0000000000000000 [ 92.217918][T10079] FS: 00007f34b39a8700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 92.227682][T10079] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 92.234585][T10079] CR2: 0000000000000000 CR3: 00000000a2b58000 CR4: 00000000001406f0 [ 92.242611][T10079] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 92.251573][T10079] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 92.259557][T10079] Kernel panic - not syncing: Fatal exception in interrupt [ 92.268730][T10079] Kernel Offset: disabled [ 92.274027][T10079] Rebooting in 86400 seconds..