Warning: Permanently added '10.128.0.69' (ECDSA) to the list of known hosts. [ 38.058967] random: sshd: uninitialized urandom read (32 bytes read) 2019/11/14 20:53:37 parsed 1 programs [ 38.234427] audit: type=1400 audit(1573764817.649:36): avc: denied { map } for pid=6968 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 38.300761] audit: type=1400 audit(1573764817.719:37): avc: denied { map } for pid=6968 comm="syz-execprog" path="/sys/kernel/debug/kcov" dev="debugfs" ino=13804 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1 [ 39.031685] random: cc1: uninitialized urandom read (8 bytes read) 2019/11/14 20:53:39 executed programs: 0 [ 40.430928] IPVS: ftp: loaded support on port[0] = 21 [ 41.273993] chnl_net:caif_netlink_parms(): no params data found [ 41.302586] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.309307] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.316559] device bridge_slave_0 entered promiscuous mode [ 41.323571] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.329948] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.338169] device bridge_slave_1 entered promiscuous mode [ 41.352147] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 41.361058] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 41.376359] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 41.383738] team0: Port device team_slave_0 added [ 41.389177] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 41.396289] team0: Port device team_slave_1 added [ 41.401485] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.408615] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.462067] device hsr_slave_0 entered promiscuous mode [ 41.500436] device hsr_slave_1 entered promiscuous mode [ 41.540908] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 41.547918] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 41.561003] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.567482] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.574421] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.580816] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.607810] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 41.614048] 8021q: adding VLAN 0 to HW filter on device bond0 [ 41.621840] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 41.629799] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 41.648783] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.656021] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.665763] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 41.672427] 8021q: adding VLAN 0 to HW filter on device team0 [ 41.680824] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.688366] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.694751] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.703428] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.711186] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.717520] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.732804] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 41.741513] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 41.749746] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 41.762481] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 41.772948] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 41.783860] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 41.791319] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 41.798901] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 41.806552] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 41.817007] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 41.827255] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 41.833687] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 41.841493] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 42.270430] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 43.153584] ================================================================== [ 43.161082] BUG: KASAN: stack-out-of-bounds in ax25_getname+0x55/0x7a0 [ 43.167731] Write of size 72 at addr ffff888085a8fcf8 by task syz-executor.0/7017 [ 43.175330] [ 43.176941] CPU: 0 PID: 7017 Comm: syz-executor.0 Not tainted 4.14.154 #0 [ 43.183842] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.193175] Call Trace: [ 43.195744] dump_stack+0x142/0x197 [ 43.199358] ? sctp_process_init+0xb10/0x27e0 [ 43.203837] ? ax25_getname+0x55/0x7a0 [ 43.207786] print_address_description.cold+0x7c/0x1dc [ 43.213105] ? ax25_getname+0x55/0x7a0 [ 43.216975] kasan_report.cold+0xa9/0x2af [ 43.221106] check_memory_region+0x123/0x190 [ 43.225497] memset+0x24/0x40 [ 43.229026] ax25_getname+0x55/0x7a0 [ 43.232719] ? fget+0x1b/0x20 [ 43.235863] vhost_net_ioctl+0xe91/0x14c0 [ 43.239993] ? vhost_net_stop_vq+0xf0/0xf0 [ 43.244250] ? __might_sleep+0x93/0xb0 [ 43.248118] ? __fget+0x210/0x370 [ 43.251560] ? vhost_net_stop_vq+0xf0/0xf0 [ 43.255777] do_vfs_ioctl+0x7ae/0x1060 [ 43.259658] ? selinux_file_mprotect+0x5d0/0x5d0 [ 43.264395] ? lock_downgrade+0x740/0x740 [ 43.268537] ? ioctl_preallocate+0x1c0/0x1c0 [ 43.272927] ? __fget+0x237/0x370 [ 43.276362] ? security_file_ioctl+0x7d/0xb0 [ 43.280748] ? security_file_ioctl+0x89/0xb0 [ 43.285137] SyS_ioctl+0x8f/0xc0 [ 43.288482] ? do_vfs_ioctl+0x1060/0x1060 [ 43.292613] do_syscall_64+0x1e8/0x640 [ 43.296479] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 43.301306] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 43.306474] RIP: 0033:0x45a219 [ 43.309640] RSP: 002b:00007f7951ce7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 43.317326] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a219 [ 43.324588] RDX: 0000000020d7c000 RSI: 000000004008af30 RDI: 0000000000000003 [ 43.331836] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 43.339084] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7951ce86d4 [ 43.346331] R13: 00000000004c56ed R14: 00000000004da738 R15: 00000000ffffffff [ 43.353587] [ 43.355194] The buggy address belongs to the page: [ 43.360111] page:ffffea000216a3c0 count:0 mapcount:0 mapping: (null) index:0x0 [ 43.368242] flags: 0x1fffc0000000000() [ 43.372112] raw: 01fffc0000000000 0000000000000000 0000000000000000 00000000ffffffff [ 43.379994] raw: 0000000000000000 0000000100000001 0000000000000000 0000000000000000 [ 43.387863] page dumped because: kasan: bad access detected [ 43.393554] [ 43.395163] Memory state around the buggy address: [ 43.400071] ffff888085a8fc00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 f1 [ 43.407409] ffff888085a8fc80: f1 f1 f1 04 f2 04 f2 00 f2 f2 f2 00 f2 f2 f2 00 [ 43.414747] >ffff888085a8fd00: 00 00 00 00 00 04 f3 f3 f3 f3 f3 00 00 00 00 00 [ 43.422085] ^ [ 43.426735] ffff888085a8fd80: 00 00 00 00 00 00 00 00 f1 f1 f1 f1 00 f2 f2 f2 [ 43.434071] ffff888085a8fe00: 00 00 00 f2 f2 f2 f2 f2 00 00 00 00 f3 f3 f3 f3 [ 43.441407] ================================================================== [ 43.448743] Disabling lock debugging due to kernel taint [ 43.456399] Kernel panic - not syncing: panic_on_warn set ... [ 43.456399] [ 43.463799] CPU: 0 PID: 7017 Comm: syz-executor.0 Tainted: G B 4.14.154 #0 [ 43.472020] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.481354] Call Trace: [ 43.483937] dump_stack+0x142/0x197 [ 43.487558] ? ax25_getname+0x55/0x7a0 [ 43.491424] panic+0x1f9/0x42d [ 43.494594] ? add_taint.cold+0x16/0x16 [ 43.498545] ? ___preempt_schedule+0x16/0x18 [ 43.502934] kasan_end_report+0x47/0x4f [ 43.506885] kasan_report.cold+0x130/0x2af [ 43.511098] check_memory_region+0x123/0x190 [ 43.515484] memset+0x24/0x40 [ 43.518574] ax25_getname+0x55/0x7a0 [ 43.522269] ? fget+0x1b/0x20 [ 43.525358] vhost_net_ioctl+0xe91/0x14c0 [ 43.529501] ? vhost_net_stop_vq+0xf0/0xf0 [ 43.533721] ? __might_sleep+0x93/0xb0 [ 43.537591] ? __fget+0x210/0x370 [ 43.541024] ? vhost_net_stop_vq+0xf0/0xf0 [ 43.545236] do_vfs_ioctl+0x7ae/0x1060 [ 43.549105] ? selinux_file_mprotect+0x5d0/0x5d0 [ 43.553854] ? lock_downgrade+0x740/0x740 [ 43.557982] ? ioctl_preallocate+0x1c0/0x1c0 [ 43.562379] ? __fget+0x237/0x370 [ 43.565825] ? security_file_ioctl+0x7d/0xb0 [ 43.570209] ? security_file_ioctl+0x89/0xb0 [ 43.574594] SyS_ioctl+0x8f/0xc0 [ 43.577939] ? do_vfs_ioctl+0x1060/0x1060 [ 43.582067] do_syscall_64+0x1e8/0x640 [ 43.585936] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 43.590772] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 43.595953] RIP: 0033:0x45a219 [ 43.599121] RSP: 002b:00007f7951ce7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 43.606808] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a219 [ 43.614057] RDX: 0000000020d7c000 RSI: 000000004008af30 RDI: 0000000000000003 [ 43.621303] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 43.628565] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7951ce86d4 [ 43.635815] R13: 00000000004c56ed R14: 00000000004da738 R15: 00000000ffffffff [ 43.644402] Kernel Offset: disabled [ 43.648026] Rebooting in 86400 seconds..