[ 50.092667][ T26] audit: type=1800 audit(1568630147.435:22): pid=8917 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="motd" dev="sda1" ino=2447 res=0 [ 50.131272][ T26] audit: type=1800 audit(1568630147.435:23): pid=8917 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rsyslog" dev="sda1" ino=2442 res=0 [ 50.150375][ T26] audit: type=1800 audit(1568630147.435:24): pid=8917 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="sudo" dev="sda1" ino=2454 res=0 [....] 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. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.15.207' (ECDSA) to the list of known hosts. syzkaller login: [ 60.974425][ T9068] IPVS: ftp: loaded support on port[0] = 21 [ 61.018433][ T9068] chnl_net:caif_netlink_parms(): no params data found [ 61.037112][ T9068] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.044259][ T9068] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.051595][ T9068] device bridge_slave_0 entered promiscuous mode [ 61.058637][ T9068] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.065740][ T9068] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.073066][ T9068] device bridge_slave_1 entered promiscuous mode [ 61.085914][ T9068] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.095688][ T9068] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.109442][ T9068] team0: Port device team_slave_0 added [ 61.115945][ T9068] team0: Port device team_slave_1 added [ 61.175288][ T9068] device hsr_slave_0 entered promiscuous mode [ 61.214137][ T9068] device hsr_slave_1 entered promiscuous mode [ 61.257985][ T9068] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.265043][ T9068] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.272313][ T9068] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.279370][ T9068] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.300403][ T9068] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.309528][ T3629] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.328334][ T3629] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.336019][ T3629] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.343386][ T3629] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 61.352909][ T9068] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.361708][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.370046][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.377093][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.393111][ T9068] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 61.403614][ T9068] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 61.414992][ T3629] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.423170][ T3629] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.430225][ T3629] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.437874][ T3629] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.447008][ T3629] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready executing program [ 61.455139][ T3629] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.463109][ T3629] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.471956][ T3629] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.479358][ T3629] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.491464][ T9068] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.514750][ T9068] netlink: 'syz-executor105': attribute type 1 has an invalid length. [ 61.523071][ T9068] kasan: CONFIG_KASAN_INLINE enabled [ 61.528491][ T9068] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 61.536987][ T9068] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 61.543926][ T9068] CPU: 0 PID: 9068 Comm: syz-executor105 Not tainted 5.3.0 #0 [ 61.551516][ T9068] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.562074][ T9068] RIP: 0010:qdisc_put+0x24/0x90 [ 61.566984][ T9068] Code: 84 00 00 00 00 00 55 48 89 e5 41 56 53 49 89 fe e8 c1 5d 7a fb 49 8d 5e 10 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <8a> 04 08 84 c0 75 40 8b 1b 89 de 83 e6 01 31 ff e8 37 61 7a fb 83 [ 61.586696][ T9068] RSP: 0018:ffff88809940f5b0 EFLAGS: 00010202 [ 61.592731][ T9068] RAX: 0000000000000002 RBX: 0000000000000010 RCX: dffffc0000000000 [ 61.600680][ T9068] RDX: 0000000000000000 RSI: ffffffff81610a6e RDI: 0000000000000000 [ 61.608626][ T9068] RBP: ffff88809940f5c0 R08: ffffffff81790e44 R09: fffffbfff117be95 [ 61.616653][ T9068] R10: fffffbfff117be95 R11: 0000000000000000 R12: dffffc0000000000 [ 61.624607][ T9068] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88809938c2d0 [ 61.632569][ T9068] FS: 00005555555c4880(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000 [ 61.641468][ T9068] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.648019][ T9068] CR2: 0000000020000610 CR3: 0000000090451000 CR4: 00000000001406f0 [ 61.655964][ T9068] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 61.663913][ T9068] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 61.671862][ T9068] Call Trace: [ 61.675131][ T9068] dsmark_destroy+0x6b/0xc0 [ 61.679614][ T9068] ? dsmark_reset+0xb0/0xb0 [ 61.684089][ T9068] qdisc_create+0xff8/0x13e0 [ 61.688654][ T9068] ? __nla_parse+0x41/0x50 [ 61.693037][ T9068] tc_modify_qdisc+0x989/0x1ea0 [ 61.697861][ T9068] ? trace_lock_release+0x135/0x1a0 [ 61.703029][ T9068] ? rcu_lock_release+0x30/0x30 [ 61.707851][ T9068] rtnetlink_rcv_msg+0x889/0xd40 [ 61.712757][ T9068] ? rcu_lock_release+0xd/0x30 [ 61.717491][ T9068] ? rcu_lock_release+0xd/0x30 [ 61.722226][ T9068] ? __local_bh_enable_ip+0x13a/0x240 [ 61.727565][ T9068] ? check_preemption_disabled+0x47/0x2a0 [ 61.733251][ T9068] ? trace_irq_enable_rcuidle+0x23/0x1e0 [ 61.738853][ T9068] ? local_bh_enable+0x9/0x30 [ 61.743498][ T9068] ? trace_hardirqs_on+0x74/0x80 [ 61.748409][ T9068] ? __local_bh_enable_ip+0x13a/0x240 [ 61.753748][ T9068] ? local_bh_enable+0x1f/0x30 [ 61.758481][ T9068] ? rcu_lock_release+0x9/0x30 [ 61.763231][ T9068] ? trace_lock_release+0x135/0x1a0 [ 61.768457][ T9068] ? rcu_lock_release+0x9/0x30 [ 61.773243][ T9068] netlink_rcv_skb+0x19e/0x3d0 [ 61.778095][ T9068] ? rtnetlink_bind+0x80/0x80 [ 61.782751][ T9068] rtnetlink_rcv+0x1c/0x20 [ 61.787147][ T9068] netlink_unicast+0x787/0x900 [ 61.791888][ T9068] netlink_sendmsg+0x993/0xc50 [ 61.796680][ T9068] ? netlink_getsockopt+0x9f0/0x9f0 [ 61.801860][ T9068] ___sys_sendmsg+0x60d/0x910 [ 61.806512][ T9068] ? sock_do_ioctl+0x212/0x260 [ 61.811247][ T9068] ? sock_ioctl+0x461/0x680 [ 61.815731][ T9068] ? check_preemption_disabled+0xb7/0x2a0 [ 61.821482][ T9068] ? sock_poll+0x310/0x310 [ 61.825998][ T9068] ? __fdget+0x156/0x200 [ 61.830238][ T9068] __x64_sys_sendmsg+0x17c/0x200 [ 61.835155][ T9068] do_syscall_64+0xfe/0x140 [ 61.839632][ T9068] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 61.845511][ T9068] RIP: 0033:0x441b19 [ 61.849378][ T9068] 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 [ 61.868958][ T9068] RSP: 002b:00007ffef7ea4ca8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 61.877346][ T9068] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441b19 [ 61.885293][ T9068] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000003 [ 61.893336][ T9068] RBP: 00007ffef7ea4cc0 R08: 0000000001bbbbbb R09: 0000000001bbbbbb [ 61.901283][ T9068] R10: 0000000001bbbbbb R11: 0000000000000246 R12: 0000000000000000 [ 61.909247][ T9068] R13: 00000000004030b0 R14: 0000000000000000 R15: 0000000000000000 [ 61.917197][ T9068] Modules linked in: [ 61.922240][ T9068] ---[ end trace 0e6e4c53cf49c2d5 ]--- [ 61.927729][ T9068] RIP: 0010:qdisc_put+0x24/0x90 [ 61.932564][ T9068] Code: 84 00 00 00 00 00 55 48 89 e5 41 56 53 49 89 fe e8 c1 5d 7a fb 49 8d 5e 10 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <8a> 04 08 84 c0 75 40 8b 1b 89 de 83 e6 01 31 ff e8 37 61 7a fb 83 [ 61.952175][ T9068] RSP: 0018:ffff88809940f5b0 EFLAGS: 00010202 [ 61.958239][ T9068] RAX: 0000000000000002 RBX: 0000000000000010 RCX: dffffc0000000000 [ 61.966230][ T9068] RDX: 0000000000000000 RSI: ffffffff81610a6e RDI: 0000000000000000 [ 61.974212][ T9068] RBP: ffff88809940f5c0 R08: ffffffff81790e44 R09: fffffbfff117be95 [ 61.982166][ T9068] R10: fffffbfff117be95 R11: 0000000000000000 R12: dffffc0000000000 [ 61.990164][ T9068] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88809938c2d0 [ 61.998140][ T9068] FS: 00005555555c4880(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000 [ 62.007080][ T9068] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.013658][ T9068] CR2: 0000000020000610 CR3: 0000000090451000 CR4: 00000000001406f0 [ 62.021647][ T9068] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 62.029626][ T9068] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 62.037690][ T9068] Kernel panic - not syncing: Fatal exception [ 62.045163][ T9068] Kernel Offset: disabled [ 62.049481][ T9068] Rebooting in 86400 seconds..