[ 40.709518][ T26] audit: type=1800 audit(1573949410.560:27): pid=7747 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 40.756430][ T26] audit: type=1800 audit(1573949410.570:28): pid=7747 uid=0 auid=4294967295 ses=4294967295 subj=_ 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. [ 41.296905][ T7815] sshd (7815) used greatest stack depth: 24328 bytes left [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 41.589084][ T26] audit: type=1800 audit(1573949411.490:29): pid=7747 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.126' (ECDSA) to the list of known hosts. 2019/11/17 00:10:23 parsed 1 programs 2019/11/17 00:10:24 executed programs: 0 syzkaller login: [ 55.125315][ T7914] IPVS: ftp: loaded support on port[0] = 21 [ 55.177856][ T7914] chnl_net:caif_netlink_parms(): no params data found [ 55.201034][ T7914] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.208826][ T7914] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.216612][ T7914] device bridge_slave_0 entered promiscuous mode [ 55.224886][ T7914] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.231977][ T7914] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.239630][ T7914] device bridge_slave_1 entered promiscuous mode [ 55.255139][ T7914] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.265523][ T7914] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.282122][ T7914] team0: Port device team_slave_0 added [ 55.289918][ T7914] team0: Port device team_slave_1 added [ 55.336143][ T7914] device hsr_slave_0 entered promiscuous mode [ 55.384890][ T7914] device hsr_slave_1 entered promiscuous mode [ 55.498004][ T7914] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.505242][ T7914] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.513038][ T7914] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.520173][ T7914] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.667831][ T7914] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.699927][ T2840] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.736681][ T2840] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.775302][ T2840] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.795611][ T2840] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 55.829573][ T7914] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.848852][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.866079][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.873183][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.938196][ T2840] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.949054][ T2840] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.956181][ T2840] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.978708][ T2840] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.001031][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 56.010494][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.022038][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.031522][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.041825][ T7914] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 56.061874][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 56.069754][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 56.081522][ T7914] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 56.897174][ T7993] Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: vhost_net_ioctl+0x1d8c/0x1dc0 [ 56.908570][ T7993] CPU: 1 PID: 7993 Comm: syz-executor.0 Not tainted 5.4.0-rc7+ #0 [ 56.916347][ T7993] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.927687][ T7993] Call Trace: [ 56.930955][ T7993] dump_stack+0x1fb/0x318 [ 56.935260][ T7993] panic+0x264/0x7a9 [ 56.939131][ T7993] ? vhost_net_ioctl+0x1d8c/0x1dc0 [ 56.944221][ T7993] ? __mutex_unlock_slowpath+0x13c/0x5b0 [ 56.949828][ T7993] ? vhost_net_ioctl+0x1d8c/0x1dc0 [ 56.954931][ T7993] __stack_chk_fail+0x1f/0x20 [ 56.959609][ T7993] vhost_net_ioctl+0x1d8c/0x1dc0 [ 56.964542][ T7993] do_vfs_ioctl+0x744/0x1730 [ 56.969113][ T7993] ? __fget+0x4e1/0x510 [ 56.973268][ T7993] ? tomoyo_file_ioctl+0x23/0x30 [ 56.978184][ T7993] ? security_file_ioctl+0xa1/0xd0 [ 56.983310][ T7993] __x64_sys_ioctl+0xe3/0x120 [ 56.987964][ T7993] do_syscall_64+0xf7/0x1c0 [ 56.992445][ T7993] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 56.998311][ T7993] RIP: 0033:0x45a639 [ 57.002180][ T7993] 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 [ 57.021762][ T7993] RSP: 002b:00007f473d635c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 57.030150][ T7993] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a639 [ 57.038117][ T7993] RDX: 0000000020d7c000 RSI: 000000004008af30 RDI: 0000000000000003 [ 57.046065][ T7993] RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 [ 57.054013][ T7993] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f473d6366d4 [ 57.061959][ T7993] R13: 00000000004c5b18 R14: 00000000004dab78 R15: 00000000ffffffff [ 57.071249][ T7993] Kernel Offset: disabled [ 57.075622][ T7993] Rebooting in 86400 seconds..