[....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] startpar: service(s) returned failure: rsyslog ssh ...[?25l[?1c7[FAIL8[?25h[?0c failed! Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 36.002300] IPVS: ftp: loaded support on port[0] = 21 [ 36.477678] can: request_module (can-proto-0) failed. [ 37.494438] can: request_module (can-proto-0) failed. [ 37.503112] can: request_module (can-proto-0) failed. [ 37.816357] syz-fuzzer (7025) used greatest stack depth: 23104 bytes left Warning: Permanently added '10.128.10.49' (ECDSA) to the list of known hosts. 2019/12/26 22:05:06 parsed 1 programs 2019/12/26 22:05:06 executed programs: 0 [ 44.912905] IPVS: ftp: loaded support on port[0] = 21 [ 44.920003] IPVS: ftp: loaded support on port[0] = 21 [ 44.958383] IPVS: ftp: loaded support on port[0] = 21 [ 44.974658] IPVS: ftp: loaded support on port[0] = 21 [ 44.994186] IPVS: ftp: loaded support on port[0] = 21 [ 45.008744] IPVS: ftp: loaded support on port[0] = 21 [ 45.116337] chnl_net:caif_netlink_parms(): no params data found [ 45.203589] chnl_net:caif_netlink_parms(): no params data found [ 45.221953] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.228736] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.236628] device bridge_slave_0 entered promiscuous mode [ 45.245751] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.252429] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.259600] device bridge_slave_1 entered promiscuous mode [ 45.281198] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 45.291127] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 45.307520] chnl_net:caif_netlink_parms(): no params data found [ 45.376509] team0: Port device team_slave_0 added [ 45.405051] chnl_net:caif_netlink_parms(): no params data found [ 45.418388] team0: Port device team_slave_1 added [ 45.441482] chnl_net:caif_netlink_parms(): no params data found [ 45.466797] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.473872] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.480869] device bridge_slave_0 entered promiscuous mode [ 45.487099] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.493920] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.500994] device bridge_slave_0 entered promiscuous mode [ 45.509865] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.516204] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.523686] device bridge_slave_1 entered promiscuous mode [ 45.536579] chnl_net:caif_netlink_parms(): no params data found [ 45.552289] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.558633] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.566417] device bridge_slave_1 entered promiscuous mode [ 45.650575] device hsr_slave_0 entered promiscuous mode [ 45.699346] device hsr_slave_1 entered promiscuous mode [ 45.773864] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 45.786120] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 45.804972] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.812262] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.821066] device bridge_slave_0 entered promiscuous mode [ 45.831277] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.837634] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.844848] device bridge_slave_1 entered promiscuous mode [ 45.877843] team0: Port device team_slave_0 added [ 45.883842] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 45.893123] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 45.900960] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.907369] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.914828] device bridge_slave_0 entered promiscuous mode [ 45.922118] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 45.931081] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 45.943369] team0: Port device team_slave_1 added [ 45.948456] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.957028] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.964158] device bridge_slave_0 entered promiscuous mode [ 45.975101] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.981763] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.990373] device bridge_slave_1 entered promiscuous mode [ 46.008569] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.016685] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.023837] device bridge_slave_1 entered promiscuous mode [ 46.042685] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 46.052465] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 46.061209] team0: Port device team_slave_0 added [ 46.066775] team0: Port device team_slave_0 added [ 46.131602] device hsr_slave_0 entered promiscuous mode [ 46.169307] device hsr_slave_1 entered promiscuous mode [ 46.216578] team0: Port device team_slave_1 added [ 46.223840] team0: Port device team_slave_1 added [ 46.229969] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 46.265403] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 46.273922] team0: Port device team_slave_0 added [ 46.341708] device hsr_slave_0 entered promiscuous mode [ 46.379400] device hsr_slave_1 entered promiscuous mode [ 46.424647] team0: Port device team_slave_1 added [ 46.470675] device hsr_slave_0 entered promiscuous mode [ 46.529351] device hsr_slave_1 entered promiscuous mode [ 46.573803] team0: Port device team_slave_0 added [ 46.584890] team0: Port device team_slave_1 added [ 46.641633] device hsr_slave_0 entered promiscuous mode [ 46.679400] device hsr_slave_1 entered promiscuous mode [ 46.801462] device hsr_slave_0 entered promiscuous mode [ 46.859212] device hsr_slave_1 entered promiscuous mode [ 46.933071] 8021q: adding VLAN 0 to HW filter on device bond0 [ 46.964869] 8021q: adding VLAN 0 to HW filter on device bond0 [ 46.978709] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.986917] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 47.009465] 8021q: adding VLAN 0 to HW filter on device team0 [ 47.026934] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 47.036142] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 47.048639] 8021q: adding VLAN 0 to HW filter on device bond0 [ 47.061353] 8021q: adding VLAN 0 to HW filter on device bond0 [ 47.080779] 8021q: adding VLAN 0 to HW filter on device bond0 [ 47.088415] 8021q: adding VLAN 0 to HW filter on device team0 [ 47.098296] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.106629] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.114495] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.121052] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.128381] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 47.137055] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.144749] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.151103] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.158408] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 47.174719] 8021q: adding VLAN 0 to HW filter on device team0 [ 47.196940] 8021q: adding VLAN 0 to HW filter on device bond0 [ 47.204870] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 47.214749] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 47.221956] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 47.228834] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 47.236167] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 47.243204] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.251453] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.259208] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.265555] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.272711] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 47.280730] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.288407] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.294814] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.301636] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 47.309395] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 47.318266] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 47.328024] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 47.335916] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 47.344303] 8021q: adding VLAN 0 to HW filter on device team0 [ 47.361902] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 47.371834] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 47.384628] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 47.392040] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 47.398883] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.406867] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.414441] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.420824] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.427971] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 47.436076] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 47.443897] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 47.451337] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 47.458817] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 47.465964] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 47.476950] 8021q: adding VLAN 0 to HW filter on device team0 [ 47.488431] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 47.496693] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 47.503863] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 47.512268] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 47.519568] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 47.527162] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 47.535398] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.543122] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.549508] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.557030] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 47.570515] 8021q: adding VLAN 0 to HW filter on device team0 [ 47.583279] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 47.591638] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 47.600184] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 47.607720] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 47.615410] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 47.623522] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.631393] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.639241] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.645576] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.652488] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 47.660462] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 47.668308] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 47.675315] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 47.692948] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 47.702953] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.710912] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.717258] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.724112] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 47.732124] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.739857] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.747345] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.753740] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.760767] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 47.778431] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 47.790932] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 47.818995] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 47.826593] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 47.834404] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 47.842384] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 47.850181] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 47.857544] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 47.865150] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 47.872743] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.880818] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.888299] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.894680] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.901601] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 47.909100] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 47.916487] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 47.924516] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.932105] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.938429] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.945282] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 47.953171] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 47.960626] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 47.968193] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 47.975967] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.983686] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.990055] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.996995] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 48.005190] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 48.012793] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 48.020547] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 48.028125] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 48.035937] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 48.043756] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 48.051520] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 48.059373] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 48.066813] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 48.074325] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 48.081794] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 48.089402] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 48.097290] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 48.104634] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 48.111697] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 48.118758] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 48.125969] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 48.139460] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 48.146190] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 48.157468] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 48.186193] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 48.195726] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 48.203627] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 48.215591] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 48.223377] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 48.231049] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 48.238517] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 48.246550] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 48.254713] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 48.262925] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 48.272788] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 48.283824] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 48.292159] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 48.300439] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 48.311693] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 48.328824] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 48.336962] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 48.345004] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 48.352856] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 48.360599] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 48.367332] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 48.374455] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 48.382307] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 48.391106] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 48.404131] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 48.416652] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 48.426065] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 48.444516] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 48.462462] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 48.469705] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 48.559447] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 48.574156] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 48.582500] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 48.596425] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 49.701337] ------------[ cut here ]------------ [ 49.706255] kernel BUG at mm/filemap.c:1283! [ 49.706976] kobject: 'loop3' (000000008e7603f3): kobject_uevent_env [ 49.710714] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 49.710720] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 5.0.0-rc4-syzkaller #0 [ 49.710723] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.710734] RIP: 0010:end_page_writeback+0x2bd/0x300 [ 49.710739] Code: fe ff ff 4c 89 ef e8 a2 53 19 00 e9 00 fe ff ff 48 89 df e8 95 53 19 00 e9 01 ff ff ff 4c 89 e7 e8 88 53 19 00 e9 37 fe ff ff <0f> 0b 4c 89 ef e8 79 53 19 00 e9 51 fe ff ff 4c 89 e7 e8 6c 53 19 [ 49.710741] RSP: 0018:ffff8880a98b7ac8 EFLAGS: 00010246 [ 49.710745] RAX: 0000000000000000 RBX: ffffea0001ff5800 RCX: 1ffff11015315156 [ 49.710748] RDX: 1ffffffff10a453e RSI: 1ffff11015315158 RDI: 0000000000000282 [ 49.710750] RBP: ffff8880a98b7ae0 R08: 0000000000000000 R09: 0000000000000001 [ 49.710753] R10: ffffed1015d45bcf R11: ffff8880aea2de7b R12: ffffea0001ff5808 [ 49.710756] R13: ffffea0001ff5800 R14: dffffc0000000000 R15: ffff88808eb952c0 [ 49.710759] FS: 0000000000000000(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000 [ 49.710761] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.710763] CR2: 0000000000625208 CR3: 00000000a7fec000 CR4: 00000000001406f0 [ 49.710769] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 49.710771] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 49.710773] Call Trace: [ 49.710779] page_endio+0x244/0x4c0 [ 49.710785] mpage_end_io+0x14f/0x2d0 [ 49.710794] bio_endio+0x459/0x830 [ 49.710799] blk_update_request+0x248/0x9e0 [ 49.710806] blk_mq_end_request+0x54/0x4e0 [ 49.710814] lo_complete_rq+0x1af/0x270 [ 49.710818] blk_done_softirq+0x2c6/0x490 [ 49.710824] ? kvm_sched_clock_read+0x9/0x20 [ 49.710828] ? blk_try_merge+0x210/0x210 [ 49.710836] ? rcu_lockdep_current_cpu_online+0xe5/0x130 [ 49.710842] __do_softirq+0x260/0x958 [ 49.710849] ? takeover_tasklets+0x7b0/0x7b0 [ 49.710853] run_ksoftirqd+0x94/0x100 [ 49.710859] smpboot_thread_fn+0x55f/0x860 [ 49.710864] ? sort_range+0x20/0x20 [ 49.710871] ? __kthread_parkme+0xb9/0x190 [ 49.720416] ------------[ cut here ]------------ [ 49.722653] kthread+0x324/0x3e0 [ 49.730013] downgrading a read lock [ 49.730047] WARNING: CPU: 1 PID: 7278 at kernel/locking/lockdep.c:3553 lock_downgrade+0x47b/0x7f0 [ 49.739506] ? sort_range+0x20/0x20 [ 49.744598] Kernel panic - not syncing: panic_on_warn set ... [ 49.763497] ? kthread_cancel_delayed_work_sync+0x10/0x10 [ 49.944612] ret_from_fork+0x24/0x30 [ 49.948307] Modules linked in: [ 49.952900] Kernel Offset: disabled [ 49.956533] Rebooting in 86400 seconds..