[ 68.057011][ T26] audit: type=1800 audit(1567819506.935:27): pid=9771 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 68.093829][ T26] audit: type=1800 audit(1567819506.945:28): pid=9771 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 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. [ 68.839797][ T26] audit: type=1800 audit(1567819507.795:29): pid=9771 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 [ 68.859833][ T26] audit: type=1800 audit(1567819507.795:30): pid=9771 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 '10.128.1.27' (ECDSA) to the list of known hosts. syzkaller login: [ 77.012237][ T9924] IPVS: ftp: loaded support on port[0] = 21 [ 77.054696][ T9924] chnl_net:caif_netlink_parms(): no params data found [ 77.075908][ T9924] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.083546][ T9924] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.091174][ T9924] device bridge_slave_0 entered promiscuous mode [ 77.098624][ T9924] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.106900][ T9924] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.115039][ T9924] device bridge_slave_1 entered promiscuous mode [ 77.129163][ T9924] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 77.140298][ T9924] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 77.155604][ T9924] team0: Port device team_slave_0 added [ 77.162633][ T9924] team0: Port device team_slave_1 added [ 77.227882][ T9924] device hsr_slave_0 entered promiscuous mode [ 77.276706][ T9924] device hsr_slave_1 entered promiscuous mode [ 77.351884][ T9924] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.359127][ T9924] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.367438][ T9924] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.374702][ T9924] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.399216][ T9924] 8021q: adding VLAN 0 to HW filter on device bond0 [ 77.410034][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 77.418480][ T5] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.425970][ T5] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.433787][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 77.443791][ T9924] 8021q: adding VLAN 0 to HW filter on device team0 [ 77.452751][ T3275] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 77.461206][ T3275] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.468269][ T3275] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.477630][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 77.485996][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.493081][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.506954][ T3275] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 77.515835][ T3269] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 77.527012][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 77.539410][ T9924] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network executing program [ 77.549995][ T9924] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 77.561521][ T2966] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 77.569887][ T2966] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 77.578632][ T2966] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 77.592237][ T9924] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 77.618380][ T9924] kasan: CONFIG_KASAN_INLINE enabled [ 77.623673][ T9924] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 77.631943][ T9924] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 77.638897][ T9924] CPU: 1 PID: 9924 Comm: syz-executor608 Not tainted 5.3.0-rc7+ #0 [ 77.646860][ T9924] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.656927][ T9924] RIP: 0010:__list_del_entry_valid+0x85/0xf5 [ 77.662908][ T9924] Code: 0f 84 e1 00 00 00 48 b8 22 01 00 00 00 00 ad de 49 39 c4 0f 84 e2 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 75 53 49 8b 14 24 4c 39 f2 0f 85 99 00 00 00 49 8d 7d [ 77.682513][ T9924] RSP: 0018:ffff88808851f440 EFLAGS: 00010246 [ 77.688612][ T9924] RAX: dffffc0000000000 RBX: ffff888097062480 RCX: ffffffff8159b24a [ 77.696733][ T9924] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff8880970627e8 [ 77.704774][ T9924] RBP: ffff88808851f458 R08: 0000000000000004 R09: ffffed10110a3e7b [ 77.712827][ T9924] R10: ffffed10110a3e7a R11: 0000000000000003 R12: 0000000000000000 [ 77.720792][ T9924] R13: 0000000000000000 R14: ffff8880970627e0 R15: ffff888097062740 [ 77.728744][ T9924] FS: 0000000000000000(0000) GS:ffff8880ae900000(0063) knlGS:00000000579bd840 [ 77.737742][ T9924] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 77.744307][ T9924] CR2: 0000000020000600 CR3: 00000000a78b1000 CR4: 00000000001406e0 [ 77.752268][ T9924] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 77.760219][ T9924] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 77.768167][ T9924] Call Trace: [ 77.771438][ T9924] cbs_destroy+0x7d/0x2a0 [ 77.775742][ T9924] ? cbs_init+0x25d/0x450 [ 77.780049][ T9924] ? cbs_dequeue_soft+0x410/0x410 [ 77.785060][ T9924] qdisc_create+0xbc6/0x1210 [ 77.789631][ T9924] ? tc_get_qdisc+0xc10/0xc10 [ 77.794297][ T9924] ? __nla_parse+0x43/0x60 [ 77.798690][ T9924] tc_modify_qdisc+0x524/0x1c50 [ 77.803535][ T9924] ? qdisc_create+0x1210/0x1210 [ 77.808387][ T9924] ? rtnetlink_rcv_msg+0x1ea/0xb00 [ 77.813501][ T9924] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 77.819726][ T9924] ? qdisc_create+0x1210/0x1210 [ 77.824585][ T9924] rtnetlink_rcv_msg+0x463/0xb00 [ 77.829549][ T9924] ? rtnetlink_put_metrics+0x580/0x580 [ 77.834987][ T9924] ? netdev_core_pick_tx+0x2f0/0x2f0 [ 77.840347][ T9924] ? __copy_skb_header+0x250/0x550 [ 77.845437][ T9924] netlink_rcv_skb+0x177/0x450 [ 77.850190][ T9924] ? rtnetlink_put_metrics+0x580/0x580 [ 77.855649][ T9924] ? netlink_ack+0xb30/0xb30 [ 77.860217][ T9924] ? netlink_deliver_tap+0x254/0xbf0 [ 77.865487][ T9924] rtnetlink_rcv+0x1d/0x30 [ 77.869975][ T9924] netlink_unicast+0x531/0x710 [ 77.874715][ T9924] ? netlink_attachskb+0x7c0/0x7c0 [ 77.879803][ T9924] ? _copy_from_iter_full+0x25d/0x8a0 [ 77.885263][ T9924] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 77.890973][ T9924] ? __check_object_size+0x3d/0x437 [ 77.896161][ T9924] netlink_sendmsg+0x8a5/0xd60 [ 77.901090][ T9924] ? netlink_unicast+0x710/0x710 [ 77.906007][ T9924] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 77.911550][ T9924] ? apparmor_socket_sendmsg+0x2a/0x30 [ 77.917044][ T9924] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 77.923258][ T9924] ? security_socket_sendmsg+0x8d/0xc0 [ 77.928707][ T9924] ? netlink_unicast+0x710/0x710 [ 77.933709][ T9924] sock_sendmsg+0xd7/0x130 [ 77.938119][ T9924] ___sys_sendmsg+0x803/0x920 [ 77.942771][ T9924] ? copy_msghdr_from_user+0x440/0x440 [ 77.948220][ T9924] ? _copy_to_user+0x118/0x160 [ 77.952959][ T9924] ? __might_fault+0x12b/0x1e0 [ 77.957962][ T9924] ? __kasan_check_read+0x11/0x20 [ 77.962965][ T9924] ? lock_downgrade+0x920/0x920 [ 77.967791][ T9924] ? __might_fault+0xfb/0x1e0 [ 77.972448][ T9924] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 77.978666][ T9924] ? __fget_light+0x1a9/0x230 [ 77.983316][ T9924] ? __fdget+0x1b/0x20 [ 77.987358][ T9924] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 77.993578][ T9924] __sys_sendmsg+0x105/0x1d0 [ 77.998151][ T9924] ? __sys_sendmsg_sock+0xd0/0xd0 [ 78.003161][ T9924] ? up_read+0x159/0x570 [ 78.007388][ T9924] ? security_file_ioctl+0x8d/0xc0 [ 78.012740][ T9924] ? entry_SYSENTER_compat+0x68/0x7f [ 78.018015][ T9924] __ia32_compat_sys_sendmsg+0x7a/0xb0 [ 78.023451][ T9924] do_fast_syscall_32+0x27b/0xdb3 [ 78.028458][ T9924] entry_SYSENTER_compat+0x70/0x7f [ 78.033578][ T9924] RIP: 0023:0xf7f18a29 [ 78.037645][ T9924] Code: b8 80 96 98 00 eb cc 8b 04 24 c3 8b 1c 24 c3 8b 34 24 c3 8b 3c 24 c3 90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 78.057322][ T9924] RSP: 002b:00000000fff4210c EFLAGS: 00000202 ORIG_RAX: 0000000000000172 [ 78.065800][ T9924] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000020000240 [ 78.073771][ T9924] RDX: 0000000000000000 RSI: 00000000f7f1828c RDI: 0000000000000004 [ 78.081734][ T9924] RBP: 00000000579be018 R08: 0000000000000000 R09: 0000000000000000 [ 78.089687][ T9924] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 78.097704][ T9924] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 78.105672][ T9924] Modules linked in: [ 78.110288][ T9924] ---[ end trace 1a9276b15cd4a60d ]--- [ 78.115852][ T9924] RIP: 0010:__list_del_entry_valid+0x85/0xf5 [ 78.121934][ T9924] Code: 0f 84 e1 00 00 00 48 b8 22 01 00 00 00 00 ad de 49 39 c4 0f 84 e2 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 75 53 49 8b 14 24 4c 39 f2 0f 85 99 00 00 00 49 8d 7d [ 78.141739][ T9924] RSP: 0018:ffff88808851f440 EFLAGS: 00010246 [ 78.147817][ T9924] RAX: dffffc0000000000 RBX: ffff888097062480 RCX: ffffffff8159b24a [ 78.155877][ T9924] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff8880970627e8 [ 78.164079][ T9924] RBP: ffff88808851f458 R08: 0000000000000004 R09: ffffed10110a3e7b [ 78.172254][ T9924] R10: ffffed10110a3e7a R11: 0000000000000003 R12: 0000000000000000 [ 78.180274][ T9924] R13: 0000000000000000 R14: ffff8880970627e0 R15: ffff888097062740 [ 78.188348][ T9924] FS: 0000000000000000(0000) GS:ffff8880ae900000(0063) knlGS:00000000579bd840 [ 78.197549][ T9924] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 78.204244][ T9924] CR2: 0000000020000600 CR3: 00000000a78b1000 CR4: 00000000001406e0 [ 78.212241][ T9924] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 78.220394][ T9924] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 78.228462][ T9924] Kernel panic - not syncing: Fatal exception [ 78.236258][ T9924] Kernel Offset: disabled [ 78.240581][ T9924] Rebooting in 86400 seconds..