[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [ 39.210611] audit: type=1800 audit(1551061043.659:33): pid=7589 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 39.231659] audit: type=1800 audit(1551061043.659:34): pid=7589 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 43.804060] audit: type=1400 audit(1551061048.249:35): avc: denied { map } for pid=7767 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added '10.128.0.208' (ECDSA) to the list of known hosts. [ 50.226226] audit: type=1400 audit(1551061054.679:36): avc: denied { map } for pid=7779 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=16482 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 2019/02/25 02:17:35 parsed 1 programs [ 51.024789] audit: type=1400 audit(1551061055.469:37): avc: denied { map } for pid=7779 comm="syz-execprog" path="/sys/kernel/debug/kcov" dev="debugfs" ino=15483 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1 2019/02/25 02:17:37 executed programs: 0 [ 53.253877] IPVS: ftp: loaded support on port[0] = 21 [ 53.253882] IPVS: ftp: loaded support on port[0] = 21 [ 53.313287] IPVS: ftp: loaded support on port[0] = 21 [ 53.321477] IPVS: ftp: loaded support on port[0] = 21 [ 53.321493] IPVS: ftp: loaded support on port[0] = 21 [ 53.328801] IPVS: ftp: loaded support on port[0] = 21 [ 53.469572] chnl_net:caif_netlink_parms(): no params data found [ 53.521396] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.528509] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.535698] device bridge_slave_0 entered promiscuous mode [ 53.563889] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.572212] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.579182] device bridge_slave_1 entered promiscuous mode [ 53.599408] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 53.662092] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 53.689310] chnl_net:caif_netlink_parms(): no params data found [ 53.706557] chnl_net:caif_netlink_parms(): no params data found [ 53.737687] team0: Port device team_slave_0 added [ 53.746210] team0: Port device team_slave_1 added [ 53.751267] chnl_net:caif_netlink_parms(): no params data found [ 53.799757] chnl_net:caif_netlink_parms(): no params data found [ 53.818646] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.826119] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.832900] device bridge_slave_0 entered promiscuous mode [ 53.872486] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.878952] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.885906] device bridge_slave_1 entered promiscuous mode [ 53.905830] chnl_net:caif_netlink_parms(): no params data found [ 53.957226] device hsr_slave_0 entered promiscuous mode [ 54.017196] device hsr_slave_1 entered promiscuous mode [ 54.075227] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.081586] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.088818] device bridge_slave_0 entered promiscuous mode [ 54.098938] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.105427] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.112335] device bridge_slave_1 entered promiscuous mode [ 54.122316] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.128761] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.135896] device bridge_slave_0 entered promiscuous mode [ 54.162271] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 54.174406] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.180871] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.187780] device bridge_slave_1 entered promiscuous mode [ 54.203361] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 54.231227] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.237683] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.244481] device bridge_slave_0 entered promiscuous mode [ 54.257313] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 54.271794] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 54.283735] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.290657] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.298024] device bridge_slave_1 entered promiscuous mode [ 54.305275] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 54.324678] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.331012] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.340300] device bridge_slave_0 entered promiscuous mode [ 54.347943] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 54.366398] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 54.374918] team0: Port device team_slave_0 added [ 54.380133] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.386821] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.393619] device bridge_slave_1 entered promiscuous mode [ 54.418104] team0: Port device team_slave_0 added [ 54.424485] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 54.433141] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 54.447740] team0: Port device team_slave_1 added [ 54.458974] team0: Port device team_slave_0 added [ 54.465676] team0: Port device team_slave_1 added [ 54.475329] team0: Port device team_slave_1 added [ 54.481716] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 54.491883] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.498328] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.505472] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.511815] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.522012] team0: Port device team_slave_0 added [ 54.587045] device hsr_slave_0 entered promiscuous mode [ 54.634972] device hsr_slave_1 entered promiscuous mode [ 54.704956] team0: Port device team_slave_1 added [ 54.717175] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.724694] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.761763] team0: Port device team_slave_0 added [ 54.769130] team0: Port device team_slave_1 added [ 54.826358] device hsr_slave_0 entered promiscuous mode [ 54.858264] device hsr_slave_1 entered promiscuous mode [ 54.937258] device hsr_slave_0 entered promiscuous mode [ 54.975736] device hsr_slave_1 entered promiscuous mode [ 55.066202] device hsr_slave_0 entered promiscuous mode [ 55.115873] device hsr_slave_1 entered promiscuous mode [ 55.256648] device hsr_slave_0 entered promiscuous mode [ 55.294934] device hsr_slave_1 entered promiscuous mode [ 55.352114] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.384769] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.392440] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.414498] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.436122] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 55.443821] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.451912] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.458301] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.465838] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 55.473470] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.481079] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.487439] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.494185] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 55.540632] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 55.548384] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 55.557001] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.564420] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 55.572137] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.585510] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.595800] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.605853] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 55.612846] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 55.620599] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.633633] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.643798] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.650733] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.657516] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 55.665318] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.672811] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.679175] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.687243] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 55.697795] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 55.708617] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 55.730879] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.738035] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 55.745860] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.753135] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 55.761046] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.768639] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.775007] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.781724] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 55.789514] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 55.797132] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.803896] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.812913] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.827235] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.836775] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.863533] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 55.883312] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.893066] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 55.901901] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.909554] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.915939] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.922787] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 55.930566] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.938399] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.944791] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.951528] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 55.959349] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 55.967362] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 55.975198] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.982709] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 55.990419] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.997957] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 56.005515] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.012830] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 56.020346] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.028078] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.035384] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.042160] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 56.049902] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.057410] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 56.065193] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.072755] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.079125] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.087026] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 56.094081] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 56.101172] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 56.108204] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 56.120785] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 56.127442] audit: type=1400 audit(1551061060.569:38): avc: denied { associate } for pid=7799 comm="syz-executor.2" name="syz2" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 [ 56.162065] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.174147] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.181365] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 56.190765] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.200064] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 56.208157] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.216141] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.222474] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.232324] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.251283] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.271333] audit: type=1804 audit(1551061060.719:39): pid=7821 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir602141736/syzkaller.Sw4Ueh/0/bus" dev="sda1" ino=16517 res=1 [ 56.303648] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 56.316535] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 56.332453] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 56.341127] audit: type=1804 audit(1551061060.789:40): pid=7821 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=invalid_pcr cause=ToMToU comm="syz-executor.2" name="/root/syzkaller-testdir602141736/syzkaller.Sw4Ueh/0/bus" dev="sda1" ino=16517 res=1 [ 56.368514] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.376334] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.383168] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 56.391356] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.394287] audit: type=1804 audit(1551061060.789:41): pid=7822 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=invalid_pcr cause=ToMToU comm="syz-executor.2" name="/root/syzkaller-testdir602141736/syzkaller.Sw4Ueh/0/bus" dev="sda1" ino=16517 res=1 [ 56.399427] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.431740] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.438681] audit: type=1804 audit(1551061060.789:42): pid=7822 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir602141736/syzkaller.Sw4Ueh/0/bus" dev="sda1" ino=16517 res=1 [ 56.469340] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 56.477815] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.484517] audit: type=1804 audit(1551061060.929:43): pid=7825 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir602141736/syzkaller.Sw4Ueh/1/bus" dev="sda1" ino=16517 res=1 [ 56.494515] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.518161] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.526108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 56.535195] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 56.538482] audit: type=1804 audit(1551061060.989:44): pid=7825 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=invalid_pcr cause=ToMToU comm="syz-executor.2" name="/root/syzkaller-testdir602141736/syzkaller.Sw4Ueh/1/bus" dev="sda1" ino=16517 res=1 [ 56.542770] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.573718] audit: type=1804 audit(1551061060.989:45): pid=7827 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=invalid_pcr cause=ToMToU comm="syz-executor.2" name="/root/syzkaller-testdir602141736/syzkaller.Sw4Ueh/1/bus" dev="sda1" ino=16517 res=1 [ 56.577885] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 56.602062] audit: type=1804 audit(1551061060.989:46): pid=7827 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir602141736/syzkaller.Sw4Ueh/1/bus" dev="sda1" ino=16517 res=1 [ 56.615694] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 56.643458] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.651114] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 56.664503] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.676151] audit: type=1804 audit(1551061061.129:47): pid=7831 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir602141736/syzkaller.Sw4Ueh/2/bus" dev="sda1" ino=16517 res=1 [ 56.685464] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 56.715386] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 56.722570] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 56.739570] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 56.748271] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 56.762003] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.770883] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.777296] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.785081] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 56.792927] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.804919] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.811318] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.831439] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 56.844743] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 56.863915] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 56.871386] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 56.880273] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.890216] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 56.898427] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.906369] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 56.914064] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.921645] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 56.929535] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 56.941503] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 56.950831] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.958801] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 56.967502] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 56.974384] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 56.984300] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 57.012667] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 57.023495] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 57.050815] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 57.060132] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.075729] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 57.098732] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.106656] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 57.115162] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 57.122691] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 57.131873] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.140761] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 57.152819] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 57.160977] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 57.175832] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 57.187018] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.194150] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 57.222880] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 57.232210] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 57.249510] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 57.278329] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 57.291772] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 57.415844] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 57.631188] Page cache invalidation failure on direct I/O. Possible data corruption due to collision with buffered I/O! [ 57.701260] File: /root/syzkaller-testdir135864796/syzkaller.DsecPn/1/bus PID: 7905 Comm: syz-executor.4 2019/02/25 02:17:42 executed programs: 43 [ 58.353255] Page cache invalidation failure on direct I/O. Possible data corruption due to collision with buffered I/O! [ 58.451367] File: /root/syzkaller-testdir602141736/syzkaller.Sw4Ueh/12/bus PID: 8045 Comm: syz-executor.2 [ 58.638217] syz-executor.1 (8086) used greatest stack depth: 23728 bytes left [ 59.403596] WARNING: CPU: 1 PID: 8257 at fs/ext4/inode.c:3929 ext4_set_page_dirty+0x30b/0x430 [ 59.412298] Kernel panic - not syncing: panic_on_warn set ... [ 59.418192] CPU: 1 PID: 8257 Comm: syz-executor.2 Not tainted 5.0.0-rc7+ #86 [ 59.425388] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.434768] Call Trace: [ 59.437366] dump_stack+0x172/0x1f0 [ 59.441036] ? ext4_set_page_dirty+0x260/0x430 [ 59.446447] panic+0x2cb/0x65c [ 59.449660] ? __warn_printk+0xf3/0xf3 [ 59.453568] ? ext4_set_page_dirty+0x30b/0x430 [ 59.458164] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 59.463712] ? __warn.cold+0x5/0x45 [ 59.467349] ? __warn+0xe8/0x1d0 [ 59.470723] ? ext4_set_page_dirty+0x30b/0x430 [ 59.475296] __warn.cold+0x20/0x45 [ 59.478825] ? mark_held_locks+0x100/0x100 [ 59.483053] ? ext4_set_page_dirty+0x30b/0x430 [ 59.487643] report_bug+0x263/0x2b0 [ 59.491288] do_error_trap+0x11b/0x200 [ 59.495173] do_invalid_op+0x37/0x50 [ 59.498880] ? ext4_set_page_dirty+0x30b/0x430 [ 59.503458] invalid_op+0x14/0x20 [ 59.506906] RIP: 0010:ext4_set_page_dirty+0x30b/0x430 [ 59.512101] Code: ff e8 f9 a6 82 ff 49 8d 5f ff e9 e5 fd ff ff e8 eb a6 82 ff 48 c7 c6 e0 d3 7a 87 4c 89 e7 e8 7c 1c ab ff 0f 0b e8 d5 a6 82 ff <0f> 0b e9 56 ff ff ff e8 c9 a6 82 ff 4c 89 ea 48 b8 00 00 00 00 00 [ 59.531009] RSP: 0018:ffff888086a279e0 EFLAGS: 00010293 [ 59.536372] RAX: ffff8880a4eb8480 RBX: 0000000000000000 RCX: ffffffff81ed3a00 [ 59.543662] RDX: 0000000000000000 RSI: ffffffff81ed3aab RDI: 0000000000000001 [ 59.550933] RBP: ffff888086a27a08 R08: ffff8880a4eb8480 R09: 0000000000000000 [ 59.558206] R10: ffffed1010ddc3ff R11: ffff888086ee1fff R12: ffffea00021bb840 [ 59.565841] R13: ffffea00021bb848 R14: 0000000000000000 R15: ffffea00021ba7c8 [ 59.573123] ? ext4_set_page_dirty+0x260/0x430 [ 59.577698] ? ext4_set_page_dirty+0x30b/0x430 [ 59.582565] ? ext4_readpages+0x120/0x120 [ 59.586714] set_page_dirty+0x2e9/0x820 [ 59.590689] set_page_dirty_lock+0x88/0xc0 [ 59.594923] process_vm_rw_core.isra.0+0x527/0xb20 [ 59.599871] ? alloc_vmap_area.cold+0x24/0x24 [ 59.604406] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 59.609952] ? _copy_from_user+0xdd/0x150 [ 59.614099] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 59.619163] ? rw_copy_check_uvector+0x2a6/0x330 [ 59.624083] process_vm_rw+0x21f/0x240 [ 59.627967] ? process_vm_rw_core.isra.0+0xb20/0xb20 [ 59.633168] ? __might_fault+0x12b/0x1e0 [ 59.637243] ? kasan_check_read+0x11/0x20 [ 59.641402] ? _copy_to_user+0xc9/0x120 [ 59.645400] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 59.650940] ? nsecs_to_jiffies+0x30/0x30 [ 59.655090] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 59.659854] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 59.664610] ? do_syscall_64+0x26/0x610 [ 59.668587] __x64_sys_process_vm_writev+0xe3/0x1a0 [ 59.673596] do_syscall_64+0x103/0x610 [ 59.677479] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 59.682660] RIP: 0033:0x457e29 [ 59.685844] Code: ad b8 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 b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 59.704734] RSP: 002b:00007f8148aa6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000137 [ 59.712444] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 0000000000457e29 [ 59.719713] RDX: 0000000000000001 RSI: 0000000020000040 RDI: 000000000000004c [ 59.727053] RBP: 000000000073bfa0 R08: 0000000000000001 R09: 0000000000000000 [ 59.734316] R10: 0000000020000000 R11: 0000000000000246 R12: 00007f8148aa76d4 [ 59.741583] R13: 00000000004c4955 R14: 00000000004d8258 R15: 00000000ffffffff [ 59.750771] Kernel Offset: disabled [ 59.754474] Rebooting in 86400 seconds..