[info] Using makefile-style concurrent boot in runlevel 2. [ 22.721497] audit: type=1800 audit(1542929639.630:21): pid=5727 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="bootlogs" dev="sda1" ino=2419 res=0 [ 22.741285] audit: type=1800 audit(1542929639.630:22): pid=5727 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="motd" dev="sda1" ino=2447 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 '10.128.10.40' (ECDSA) to the list of known hosts. 2018/11/22 23:35:31 parsed 1 programs 2018/11/22 23:35:32 executed programs: 0 syzkaller login: [ 116.120380] IPVS: ftp: loaded support on port[0] = 21 [ 116.128010] IPVS: ftp: loaded support on port[0] = 21 [ 116.130293] IPVS: ftp: loaded support on port[0] = 21 [ 116.146736] IPVS: ftp: loaded support on port[0] = 21 [ 116.158515] IPVS: ftp: loaded support on port[0] = 21 [ 116.184969] IPVS: ftp: loaded support on port[0] = 21 [ 117.087142] bridge0: port 1(bridge_slave_0) entered blocking state [ 117.097795] bridge0: port 1(bridge_slave_0) entered disabled state [ 117.105846] device bridge_slave_0 entered promiscuous mode [ 117.136437] bridge0: port 1(bridge_slave_0) entered blocking state [ 117.150743] bridge0: port 1(bridge_slave_0) entered disabled state [ 117.161281] device bridge_slave_0 entered promiscuous mode [ 117.170861] bridge0: port 1(bridge_slave_0) entered blocking state [ 117.177287] bridge0: port 1(bridge_slave_0) entered disabled state [ 117.187733] device bridge_slave_0 entered promiscuous mode [ 117.196001] bridge0: port 2(bridge_slave_1) entered blocking state [ 117.202573] bridge0: port 2(bridge_slave_1) entered disabled state [ 117.209782] device bridge_slave_1 entered promiscuous mode [ 117.224897] bridge0: port 2(bridge_slave_1) entered blocking state [ 117.232941] bridge0: port 2(bridge_slave_1) entered disabled state [ 117.240182] device bridge_slave_1 entered promiscuous mode [ 117.248091] bridge0: port 1(bridge_slave_0) entered blocking state [ 117.254971] bridge0: port 1(bridge_slave_0) entered disabled state [ 117.262575] device bridge_slave_0 entered promiscuous mode [ 117.268997] bridge0: port 1(bridge_slave_0) entered blocking state [ 117.275821] bridge0: port 1(bridge_slave_0) entered disabled state [ 117.284180] device bridge_slave_0 entered promiscuous mode [ 117.292281] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 117.299629] bridge0: port 1(bridge_slave_0) entered blocking state [ 117.308599] bridge0: port 1(bridge_slave_0) entered disabled state [ 117.321385] device bridge_slave_0 entered promiscuous mode [ 117.329144] bridge0: port 2(bridge_slave_1) entered blocking state [ 117.335927] bridge0: port 2(bridge_slave_1) entered disabled state [ 117.343282] device bridge_slave_1 entered promiscuous mode [ 117.352279] bridge0: port 2(bridge_slave_1) entered blocking state [ 117.358603] bridge0: port 2(bridge_slave_1) entered disabled state [ 117.365842] device bridge_slave_1 entered promiscuous mode [ 117.372913] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 117.381357] bridge0: port 2(bridge_slave_1) entered blocking state [ 117.387701] bridge0: port 2(bridge_slave_1) entered disabled state [ 117.401864] device bridge_slave_1 entered promiscuous mode [ 117.413824] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 117.423831] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 117.441185] bridge0: port 2(bridge_slave_1) entered blocking state [ 117.447564] bridge0: port 2(bridge_slave_1) entered disabled state [ 117.457383] device bridge_slave_1 entered promiscuous mode [ 117.465733] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 117.478520] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 117.487841] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 117.500030] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 117.511907] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 117.523507] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 117.537839] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 117.594500] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 117.672482] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 117.683949] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 117.693893] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 117.704997] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 117.748280] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 117.767752] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 117.778275] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 117.796355] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 117.807377] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 117.825974] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 117.837009] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 117.847667] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 117.858743] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 117.870467] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 117.885807] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 117.894926] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 117.908099] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 117.916029] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 117.924663] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 117.935673] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 117.944465] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 117.954029] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 117.967550] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 117.976166] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 117.990529] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 118.001316] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 118.027903] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 118.035050] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 118.048971] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 118.057121] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 118.066619] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 118.085421] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 118.100403] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 118.120901] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 118.127689] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 118.155527] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 118.173090] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 118.180252] team0: Port device team_slave_0 added [ 118.198157] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 118.207742] team0: Port device team_slave_0 added [ 118.226981] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 118.239512] team0: Port device team_slave_0 added [ 118.264743] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 118.277380] team0: Port device team_slave_0 added [ 118.283269] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 118.290472] team0: Port device team_slave_1 added [ 118.306234] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 118.318769] team0: Port device team_slave_1 added [ 118.326208] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 118.335037] team0: Port device team_slave_1 added [ 118.344867] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 118.353229] team0: Port device team_slave_0 added [ 118.363840] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 118.372927] team0: Port device team_slave_0 added [ 118.379456] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 118.391429] team0: Port device team_slave_1 added [ 118.397254] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 118.417472] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 118.432224] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 118.442153] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 118.449296] team0: Port device team_slave_1 added [ 118.456971] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 118.464962] team0: Port device team_slave_1 added [ 118.475077] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 118.487698] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 118.509034] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 118.531349] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 118.541832] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 118.550538] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 118.559933] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 118.567922] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 118.581881] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 118.598494] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 118.620328] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 118.630424] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 118.641667] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 118.649203] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 118.657674] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 118.665976] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 118.673577] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 118.681273] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 118.688889] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 118.696572] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 118.706768] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 118.716421] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 118.731325] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 118.739101] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 118.758907] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 118.769560] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 118.785218] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 118.793669] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 118.801652] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 118.809270] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 118.817064] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 118.824724] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 118.832466] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 118.842563] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 118.850444] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 118.861493] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 118.874078] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 118.893605] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 118.900746] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 118.908574] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 118.922113] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 118.936911] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 118.946898] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 118.965938] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 118.982468] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 119.388128] bridge0: port 2(bridge_slave_1) entered blocking state [ 119.394717] bridge0: port 2(bridge_slave_1) entered forwarding state [ 119.401586] bridge0: port 1(bridge_slave_0) entered blocking state [ 119.407914] bridge0: port 1(bridge_slave_0) entered forwarding state [ 119.424096] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 119.486032] bridge0: port 2(bridge_slave_1) entered blocking state [ 119.492406] bridge0: port 2(bridge_slave_1) entered forwarding state [ 119.498974] bridge0: port 1(bridge_slave_0) entered blocking state [ 119.505490] bridge0: port 1(bridge_slave_0) entered forwarding state [ 119.513621] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 119.521876] bridge0: port 2(bridge_slave_1) entered blocking state [ 119.528232] bridge0: port 2(bridge_slave_1) entered forwarding state [ 119.534881] bridge0: port 1(bridge_slave_0) entered blocking state [ 119.541231] bridge0: port 1(bridge_slave_0) entered forwarding state [ 119.548156] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 119.609439] bridge0: port 2(bridge_slave_1) entered blocking state [ 119.615822] bridge0: port 2(bridge_slave_1) entered forwarding state [ 119.622422] bridge0: port 1(bridge_slave_0) entered blocking state [ 119.628746] bridge0: port 1(bridge_slave_0) entered forwarding state [ 119.640531] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 119.686832] bridge0: port 2(bridge_slave_1) entered blocking state [ 119.693296] bridge0: port 2(bridge_slave_1) entered forwarding state [ 119.699854] bridge0: port 1(bridge_slave_0) entered blocking state [ 119.706247] bridge0: port 1(bridge_slave_0) entered forwarding state [ 119.714559] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 119.727473] bridge0: port 2(bridge_slave_1) entered blocking state [ 119.733851] bridge0: port 2(bridge_slave_1) entered forwarding state [ 119.740521] bridge0: port 1(bridge_slave_0) entered blocking state [ 119.746912] bridge0: port 1(bridge_slave_0) entered forwarding state [ 119.754827] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 119.840796] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 119.851281] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 119.867084] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 119.874971] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 119.882422] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 119.889326] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 121.703939] 8021q: adding VLAN 0 to HW filter on device bond0 [ 121.819904] 8021q: adding VLAN 0 to HW filter on device bond0 [ 121.838190] 8021q: adding VLAN 0 to HW filter on device bond0 [ 121.849330] 8021q: adding VLAN 0 to HW filter on device bond0 [ 121.896550] 8021q: adding VLAN 0 to HW filter on device bond0 [ 121.911604] 8021q: adding VLAN 0 to HW filter on device bond0 [ 121.928894] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 122.017092] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 122.051905] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 122.086382] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 122.109734] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 122.125324] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 122.136301] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 122.150152] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 122.162335] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 122.231226] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 122.241036] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 122.251519] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 122.270299] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 122.289488] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 122.301434] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 122.350434] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 122.357074] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 122.364335] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 122.378725] 8021q: adding VLAN 0 to HW filter on device team0 [ 122.388211] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 122.398340] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 122.409888] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 122.424819] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 122.432691] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 122.439594] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 122.490243] 8021q: adding VLAN 0 to HW filter on device team0 [ 122.552803] 8021q: adding VLAN 0 to HW filter on device team0 [ 122.603918] 8021q: adding VLAN 0 to HW filter on device team0 [ 122.620888] 8021q: adding VLAN 0 to HW filter on device team0 [ 122.632010] 8021q: adding VLAN 0 to HW filter on device team0 [ 123.769754] WARNING: CPU: 1 PID: 7440 at lib/iov_iter.c:1443 csum_and_copy_to_iter+0x73a/0x14f0 [ 123.778712] Kernel panic - not syncing: panic_on_warn set ... [ 123.784593] CPU: 1 PID: 7440 Comm: syz-executor2 Not tainted 4.20.0-rc3+ #345 [ 123.787216] kobject: 'loop0' (00000000da2348da): kobject_uevent_env [ 123.791850] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 123.791857] Call Trace: [ 123.791881] dump_stack+0x244/0x39d [ 123.791899] ? dump_stack_print_info.cold.1+0x20/0x20 [ 123.791922] panic+0x2ad/0x55c [ 123.791932] ? add_taint.cold.5+0x16/0x16 [ 123.791950] ? __warn.cold.8+0x5/0x45 [ 123.791960] ? __warn+0xe8/0x1d0 [ 123.798798] kobject: 'loop0' (00000000da2348da): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 123.807728] ? csum_and_copy_to_iter+0x73a/0x14f0 [ 123.807745] __warn.cold.8+0x20/0x45 [ 123.807757] ? rcu_softirq_qs+0x20/0x20 [ 123.807774] ? csum_and_copy_to_iter+0x73a/0x14f0 [ 123.807792] report_bug+0x254/0x2d0 [ 123.807809] do_error_trap+0x11b/0x200 [ 123.807826] do_invalid_op+0x36/0x40 [ 123.831290] WARNING: CPU: 0 PID: 7446 at lib/iov_iter.c:1443 csum_and_copy_to_iter+0x73a/0x14f0 [ 123.833599] ? csum_and_copy_to_iter+0x73a/0x14f0 [ 123.843010] Modules linked in: [ 123.847834] invalid_op+0x14/0x20 [ 123.851516] CPU: 0 PID: 7446 Comm: syz-executor0 Not tainted 4.20.0-rc3+ #345 [ 123.855465] RIP: 0010:csum_and_copy_to_iter+0x73a/0x14f0 [ 123.860269] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 123.863875] Code: ee fd 48 83 bd b0 fe ff ff 00 0f 84 48 fc ff ff e9 91 fe ff ff e8 e6 6d ee fd 49 83 c4 10 31 db e9 70 fc ff ff e8 d6 6d ee fd <0f> 0b 48 c7 85 e8 fe ff ff 00 00 00 00 e9 70 fd ff ff 4c 89 f7 e8 [ 123.867730] RIP: 0010:csum_and_copy_to_iter+0x73a/0x14f0 [ 123.871408] RSP: 0018:ffff8881bc80f368 EFLAGS: 00010293 [ 123.880217] Code: ee fd 48 83 bd b0 fe ff ff 00 0f 84 48 fc ff ff e9 91 fe ff ff e8 e6 6d ee fd 49 83 c4 10 31 db e9 70 fc ff ff e8 d6 6d ee fd <0f> 0b 48 c7 85 e8 fe ff ff 00 00 00 00 e9 70 fd ff ff 4c 89 f7 e8 [ 123.885028] RAX: ffff8881c87ca080 RBX: 000000000000038a RCX: ffffffff839116c2 [ 123.888193] RSP: 0018:ffff8881bbabf368 EFLAGS: 00010293 [ 123.891616] RDX: 0000000000000000 RSI: ffffffff83911d1a RDI: 0000000000000005 [ 123.898857] RAX: ffff8881caf18080 RBX: 000000000000038a RCX: ffffffff839116c2 [ 123.904288] RBP: ffff8881bc80f4f8 R08: ffff8881c87ca080 R09: 0000000000000006 [ 123.913615] RDX: 0000000000000000 RSI: ffffffff83911d1a RDI: 0000000000000005 [ 123.932485] R10: 0000000000000000 R11: ffff8881c87ca080 R12: 0000000000000000 [ 123.937903] RBP: ffff8881bbabf4f8 R08: ffff8881caf18080 R09: 0000000000000006 [ 123.943238] R13: 0000000000000008 R14: ffff8881bc80fa50 R15: 000000000000038a [ 123.962117] R10: 0000000000000000 R11: ffff8881caf18080 R12: 0000000000000000 [ 123.969369] ? csum_and_copy_to_iter+0xe2/0x14f0 [ 123.974695] R13: 0000000000000008 R14: ffff8881bbabfa50 R15: 000000000000038a [ 123.981942] ? csum_and_copy_to_iter+0x73a/0x14f0 [ 123.989182] FS: 00007fed2599c700(0000) GS:ffff8881dae00000(0000) knlGS:0000000000000000 [ 123.996431] ? csum_and_copy_to_iter+0x73a/0x14f0 [ 124.003676] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 124.010935] ? find_held_lock+0x36/0x1c0 [ 124.018173] CR2: 00000000004cce48 CR3: 00000001cf367000 CR4: 00000000001406f0 [ 124.025421] ? mark_held_locks+0xc7/0x130 [ 124.032661] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 124.037393] ? __local_bh_enable_ip+0x160/0x260 [ 124.044632] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 124.049448] ? __local_bh_enable_ip+0x160/0x260 [ 124.057639] Call Trace: [ 124.062458] ? csum_and_copy_from_iter+0x14f0/0x14f0 [ 124.068312] ? find_held_lock+0x36/0x1c0 [ 124.072345] ? trace_hardirqs_on+0xbd/0x310 [ 124.079599] ? mark_held_locks+0xc7/0x130 [ 124.083718] ? _raw_spin_unlock_bh+0x30/0x40 [ 124.090961] ? __local_bh_enable_ip+0x160/0x260 [ 124.095604] ? trace_hardirqs_off_caller+0x310/0x310 [ 124.102847] ? __local_bh_enable_ip+0x160/0x260 [ 124.107510] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 124.110068] ? csum_and_copy_from_iter+0x14f0/0x14f0 [ 124.115143] ? check_preemption_disabled+0x48/0x280 [ 124.119174] ? trace_hardirqs_on+0xbd/0x310 [ 124.123468] ? __skb_recv_udp+0x4ab/0xaf0 [ 124.127589] ? _raw_spin_unlock_bh+0x30/0x40 [ 124.131968] ? __skb_recv_udp+0x4ab/0xaf0 [ 124.136609] ? trace_hardirqs_off_caller+0x310/0x310 [ 124.141689] skb_copy_and_csum_datagram+0x1ab/0xae0 [ 124.146327] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 124.151855] ? __skb_recv_udp+0x4ab/0xaf0 [ 124.156929] ? check_preemption_disabled+0x48/0x280 [ 124.161917] ? proto_seq_start+0x50/0x50 [ 124.166209] ? __skb_recv_udp+0x4ab/0xaf0 [ 124.170329] ? __skb_checksum_complete+0x440/0x440 [ 124.174705] ? __skb_recv_udp+0x4ab/0xaf0 [ 124.178828] ? udp_init_sock+0x100/0x100 [ 124.183909] skb_copy_and_csum_datagram+0x1ab/0xae0 [ 124.188896] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 124.194400] ? __skb_recv_udp+0x4ab/0xaf0 [ 124.198517] ? do_csum+0x345/0x410 [ 124.203507] ? proto_seq_start+0x50/0x50 [ 124.207549] skb_copy_and_csum_datagram_msg+0x246/0x420 [ 124.211668] ? __skb_checksum_complete+0x440/0x440 [ 124.216572] ? skb_copy_and_csum_datagram+0xae0/0xae0 [ 124.220691] ? udp_init_sock+0x100/0x100 [ 124.224724] ? zap_class+0x640/0x640 [ 124.229712] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 124.235222] udpv6_recvmsg+0xd62/0x1d80 [ 124.239344] ? do_csum+0x345/0x410 [ 124.242870] ? udp_lib_close+0x20/0x20 [ 124.246906] skb_copy_and_csum_datagram_msg+0x246/0x420 [ 124.252245] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 124.257144] ? skb_copy_and_csum_datagram+0xae0/0xae0 [ 124.262304] ? aa_label_sk_perm+0x91/0x100 [ 124.266343] ? kasan_check_read+0x11/0x20 [ 124.270028] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 124.275532] ? zap_class+0x640/0x640 [ 124.279481] ? aa_sk_perm+0x22b/0x8e0 [ 124.282996] udpv6_recvmsg+0xd62/0x1d80 [ 124.286853] ? rcu_softirq_qs+0x20/0x20 [ 124.292199] ? udp_lib_close+0x20/0x20 [ 124.297709] inet_recvmsg+0x181/0x6d0 [ 124.302882] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 124.307087] ? inet_sendpage+0x740/0x740 [ 124.311206] ? aa_label_sk_perm+0x91/0x100 [ 124.316107] ? aa_sock_msg_perm.isra.14+0xba/0x160 [ 124.319795] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 124.323568] ? apparmor_socket_recvmsg+0x29/0x30 [ 124.327516] ? aa_sk_perm+0x22b/0x8e0 [ 124.331468] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 124.335324] ? rcu_softirq_qs+0x20/0x20 [ 124.339106] ? security_socket_recvmsg+0x9c/0xc0 [ 124.344615] inet_recvmsg+0x181/0x6d0 [ 124.348654] ? inet_sendpage+0x740/0x740 [ 124.352860] ? inet_sendpage+0x740/0x740 [ 124.357759] sock_recvmsg+0xd0/0x110 [ 124.362659] ? aa_sock_msg_perm.isra.14+0xba/0x160 [ 124.367386] sock_read_iter+0x39b/0x570 [ 124.371161] ? apparmor_socket_recvmsg+0x29/0x30 [ 124.376675] ? sock_recvmsg+0x110/0x110 [ 124.380620] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 124.385350] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 124.389118] ? security_socket_recvmsg+0x9c/0xc0 [ 124.393153] ? iov_iter_pipe+0xbb/0x2f0 [ 124.397186] ? inet_sendpage+0x740/0x740 [ 124.400874] generic_file_splice_read+0x5a2/0x9a0 [ 124.405772] sock_recvmsg+0xd0/0x110 [ 124.409719] ? add_to_pipe+0x360/0x360 [ 124.414445] sock_read_iter+0x39b/0x570 [ 124.418391] ? __might_fault+0x12b/0x1e0 [ 124.423899] ? sock_recvmsg+0x110/0x110 [ 124.428899] sock_splice_read+0xef/0x110 [ 124.433624] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 124.437652] ? kernel_sock_shutdown+0x80/0x80 [ 124.441684] ? iov_iter_pipe+0xbb/0x2f0 [ 124.446494] do_splice_to+0x12e/0x190 [ 124.450187] generic_file_splice_read+0x5a2/0x9a0 [ 124.454046] do_splice+0x1014/0x1430 [ 124.458086] ? add_to_pipe+0x360/0x360 [ 124.462120] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 124.466076] ? __might_fault+0x12b/0x1e0 [ 124.470109] ? put_timespec64+0x10f/0x1b0 [ 124.475109] sock_splice_read+0xef/0x110 [ 124.479569] ? opipe_prep.part.14+0x3b0/0x3b0 [ 124.483515] ? kernel_sock_shutdown+0x80/0x80 [ 124.487293] __x64_sys_splice+0x2c1/0x330 [ 124.492100] do_splice_to+0x12e/0x190 [ 124.495790] do_syscall_64+0x1b9/0x820 [ 124.499646] do_splice+0x1014/0x1430 [ 124.505156] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 124.509189] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 124.513311] ? syscall_return_slowpath+0x5e0/0x5e0 [ 124.517350] ? put_timespec64+0x10f/0x1b0 [ 124.521820] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 124.526287] ? opipe_prep.part.14+0x3b0/0x3b0 [ 124.530412] ? trace_hardirqs_on_caller+0x310/0x310 [ 124.534192] __x64_sys_splice+0x2c1/0x330 [ 124.538047] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 124.541742] do_syscall_64+0x1b9/0x820 [ 124.547079] ? prepare_exit_to_usermode+0x291/0x3b0 [ 124.552586] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 124.557487] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 124.561604] ? syscall_return_slowpath+0x5e0/0x5e0 [ 124.566420] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 124.570883] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 124.575868] RIP: 0033:0x457569 [ 124.579989] ? trace_hardirqs_on_caller+0x310/0x310 [ 124.584975] Code: fd b3 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 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 124.588836] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 124.593818] RSP: 002b:00007f6517086c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000113 [ 124.599162] ? prepare_exit_to_usermode+0x291/0x3b0 [ 124.603968] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 0000000000457569 [ 124.608871] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 124.614027] RDX: 0000000000000004 RSI: 0000000000000000 RDI: 0000000000000003 [ 124.618848] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 124.622007] RBP: 000000000072bfa0 R08: 0000000010000200 R09: 0000000000000000 [ 124.626992] RIP: 0033:0x457569 [ 124.645863] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f65170876d4 [ 124.650854] Code: fd b3 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 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 124.658541] R13: 00000000004c5719 R14: 00000000004d8c08 R15: 00000000ffffffff [ 124.663527] RSP: 002b:00007fed2599bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000113 [ 124.739447] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 0000000000457569 [ 124.746698] RDX: 0000000000000004 RSI: 0000000000000000 RDI: 0000000000000003 [ 124.753950] RBP: 000000000072bfa0 R08: 0000000010000200 R09: 0000000000000000 [ 124.761200] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fed2599c6d4 [ 124.768449] R13: 00000000004c5719 R14: 00000000004d8c08 R15: 00000000ffffffff [ 124.775711] irq event stamp: 352 [ 124.779064] hardirqs last enabled at (351): [] __local_bh_enable_ip+0x160/0x260 [ 124.788147] hardirqs last disabled at (352): [] trace_hardirqs_off_thunk+0x1a/0x1c [ 124.797399] softirqs last enabled at (350): [] __skb_recv_udp+0x4ab/0xaf0 [ 124.805954] softirqs last disabled at (348): [] __skb_recv_udp+0x290/0xaf0 [ 124.814595] ---[ end trace fcfb475d82d5a575 ]--- [ 124.820414] Kernel Offset: disabled [ 124.824095] Rebooting in 86400 seconds..