[ 34.413327][ T26] audit: type=1800 audit(1557718207.831:27): pid=7464 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 34.447847][ T26] audit: type=1800 audit(1557718207.831:28): pid=7464 uid=0 auid=4294967295 ses=4294967295 subj==unconfined 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. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 35.157332][ T26] audit: type=1800 audit(1557718208.641:29): pid=7464 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 35.177681][ T26] audit: type=1800 audit(1557718208.641:30): pid=7464 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.63' (ECDSA) to the list of known hosts. 2019/05/13 03:30:37 parsed 1 programs 2019/05/13 03:30:39 executed programs: 0 syzkaller login: [ 66.382220][ T7640] IPVS: ftp: loaded support on port[0] = 21 [ 66.386871][ T7641] IPVS: ftp: loaded support on port[0] = 21 [ 66.399803][ T7646] IPVS: ftp: loaded support on port[0] = 21 [ 66.400999][ T7643] IPVS: ftp: loaded support on port[0] = 21 [ 66.412832][ T7638] IPVS: ftp: loaded support on port[0] = 21 [ 66.450319][ T7645] IPVS: ftp: loaded support on port[0] = 21 [ 66.667310][ T7643] chnl_net:caif_netlink_parms(): no params data found [ 66.684997][ T7638] chnl_net:caif_netlink_parms(): no params data found [ 66.727840][ T7645] chnl_net:caif_netlink_parms(): no params data found [ 66.811371][ T7638] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.819787][ T7638] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.828131][ T7638] device bridge_slave_0 entered promiscuous mode [ 66.837455][ T7638] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.844496][ T7638] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.852749][ T7638] device bridge_slave_1 entered promiscuous mode [ 66.911573][ T7643] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.919182][ T7643] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.927011][ T7643] device bridge_slave_0 entered promiscuous mode [ 66.935739][ T7638] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 66.964138][ T7646] chnl_net:caif_netlink_parms(): no params data found [ 66.973420][ T7643] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.982154][ T7643] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.989924][ T7643] device bridge_slave_1 entered promiscuous mode [ 66.997115][ T7640] chnl_net:caif_netlink_parms(): no params data found [ 67.011055][ T7638] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 67.030977][ T7645] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.038159][ T7645] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.045731][ T7645] device bridge_slave_0 entered promiscuous mode [ 67.056192][ T7645] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.063288][ T7645] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.071090][ T7645] device bridge_slave_1 entered promiscuous mode [ 67.104574][ T7638] team0: Port device team_slave_0 added [ 67.120580][ T7645] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 67.130305][ T7645] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 67.140099][ T7643] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 67.148559][ T7641] chnl_net:caif_netlink_parms(): no params data found [ 67.158567][ T7638] team0: Port device team_slave_1 added [ 67.180278][ T7643] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 67.222684][ T7646] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.230288][ T7646] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.238370][ T7646] device bridge_slave_0 entered promiscuous mode [ 67.251367][ T7645] team0: Port device team_slave_0 added [ 67.259963][ T7645] team0: Port device team_slave_1 added [ 67.265860][ T7640] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.273632][ T7640] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.281412][ T7640] device bridge_slave_0 entered promiscuous mode [ 67.293976][ T7640] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.301508][ T7640] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.309585][ T7640] device bridge_slave_1 entered promiscuous mode [ 67.317964][ T7646] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.324999][ T7646] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.332752][ T7646] device bridge_slave_1 entered promiscuous mode [ 67.409810][ T7638] device hsr_slave_0 entered promiscuous mode [ 67.446956][ T7638] device hsr_slave_1 entered promiscuous mode [ 67.530231][ T7643] team0: Port device team_slave_0 added [ 67.578783][ T7645] device hsr_slave_0 entered promiscuous mode [ 67.616898][ T7645] device hsr_slave_1 entered promiscuous mode [ 67.681961][ T7646] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 67.693022][ T7643] team0: Port device team_slave_1 added [ 67.708455][ T7640] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 67.719631][ T7641] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.728532][ T7641] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.736139][ T7641] device bridge_slave_0 entered promiscuous mode [ 67.744836][ T7646] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 67.764250][ T7640] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 67.786828][ T7640] team0: Port device team_slave_0 added [ 67.792589][ T7641] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.800858][ T7641] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.808570][ T7641] device bridge_slave_1 entered promiscuous mode [ 67.821249][ T7646] team0: Port device team_slave_0 added [ 67.835379][ T7640] team0: Port device team_slave_1 added [ 67.842629][ T7646] team0: Port device team_slave_1 added [ 67.864907][ T7641] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 67.889094][ T7641] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 67.958311][ T7643] device hsr_slave_0 entered promiscuous mode [ 67.996733][ T7643] device hsr_slave_1 entered promiscuous mode [ 68.089801][ T7640] device hsr_slave_0 entered promiscuous mode [ 68.126801][ T7640] device hsr_slave_1 entered promiscuous mode [ 68.218351][ T7646] device hsr_slave_0 entered promiscuous mode [ 68.256763][ T7646] device hsr_slave_1 entered promiscuous mode [ 68.307624][ T7641] team0: Port device team_slave_0 added [ 68.324078][ T7641] team0: Port device team_slave_1 added [ 68.398308][ T7641] device hsr_slave_0 entered promiscuous mode [ 68.446849][ T7641] device hsr_slave_1 entered promiscuous mode [ 68.562971][ T7638] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.588744][ T2979] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.600451][ T2979] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.642076][ T7645] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.660282][ T7640] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.668642][ T7638] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.700794][ T7645] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.714838][ T3761] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 68.723772][ T3761] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.731612][ T3761] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.739412][ T3761] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.748185][ T3761] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.756591][ T3761] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.763737][ T3761] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.771870][ T3761] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.780806][ T3761] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.789231][ T3761] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.796282][ T3761] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.805914][ T7643] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.823525][ T7640] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.842025][ T7646] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.853893][ T3761] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.862340][ T3761] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.871423][ T3761] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.883278][ T3761] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.890356][ T3761] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.899282][ T3761] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.907972][ T3761] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.916204][ T3761] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.923286][ T3761] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.930899][ T3761] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.939267][ T3761] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.947073][ T3761] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.955473][ T3761] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.964231][ T3761] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.974478][ T3761] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.994347][ T7645] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 69.005328][ T7645] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.024834][ T7646] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.035678][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.044558][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.054201][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.062932][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.072005][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.080517][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.088956][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.098128][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.106282][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.114475][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.122216][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.130107][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.138934][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.147761][ T7649] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.154799][ T7649] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.162505][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.171327][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.179820][ T7649] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.186905][ T7649] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.194672][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.202524][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.210769][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.218729][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.241179][ T7643] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.271570][ T2979] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.279531][ T2979] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.287473][ T2979] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.295919][ T2979] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.305779][ T2979] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.312863][ T2979] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.321016][ T2979] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.329605][ T2979] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.338829][ T2979] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.347364][ T2979] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.355800][ T2979] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.364507][ T2979] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.373303][ T2979] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.381193][ T2979] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.392928][ T7641] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.422124][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.438479][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.448028][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.456218][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.464999][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.473401][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.481666][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.490576][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.499343][ T7649] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.506443][ T7649] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.514089][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.523662][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.532439][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.541669][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.550081][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.558965][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.567576][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.576242][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.585106][ T7649] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.592270][ T7649] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.600234][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.610973][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.622425][ T7640] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.632891][ T7645] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.645154][ T7646] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 69.656138][ T7646] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.678218][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.686090][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.694371][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.704343][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.712978][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.721747][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.729956][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.738674][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.747106][ T7649] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.754141][ T7649] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.761829][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.770445][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.789918][ T7641] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.823928][ T7640] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.835943][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.844297][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.852521][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.861820][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.870786][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.879260][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.887926][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.915812][ T7638] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.927958][ T7646] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.936282][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.946178][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.962682][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.973650][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.982711][ T7649] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.989806][ T7649] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.997979][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.006629][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.014939][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.023844][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.032382][ T7649] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.039476][ T7649] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.047263][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.055479][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.064216][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.072811][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.080860][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.101818][ T7643] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.113083][ T7643] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.149658][ T7638] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.166816][ T2979] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.175226][ T2979] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.219529][ T2979] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.231456][ T7674] BUG: assuming atomic context at net/core/flow_dissector.c:737 [ 70.246128][ T7674] in_atomic(): 0, irqs_disabled(): 0, pid: 7674, name: syz-executor.3 [ 70.264291][ T7674] 2 locks held by syz-executor.3/7674: [ 70.269974][ T7674] #0: 00000000363cac26 (&tfile->napi_mutex){+.+.}, at: tun_get_user+0x168e/0x3ff0 [ 70.275781][ T7643] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.287265][ T7674] #1: 0000000009291175 (rcu_read_lock){....}, at: __skb_flow_dissect+0x1e1/0x4bb0 [ 70.297832][ T7674] CPU: 1 PID: 7674 Comm: syz-executor.3 Not tainted 5.1.0+ #5 [ 70.305298][ T7674] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.315356][ T7674] Call Trace: [ 70.318657][ T7674] dump_stack+0x172/0x1f0 [ 70.323004][ T7674] __cant_sleep.cold+0xa3/0xbb [ 70.327765][ T7674] ? memset+0x32/0x40 [ 70.331738][ T7674] bpf_flow_dissect+0xfe/0x390 [ 70.336496][ T7674] __skb_flow_dissect+0x362/0x4bb0 [ 70.341596][ T7674] ? __lock_acquire+0x54f/0x5490 [ 70.346519][ T7674] ? kmem_cache_alloc_node_trace+0x650/0x720 [ 70.352491][ T7674] ? bpf_flow_dissect+0x390/0x390 [ 70.357503][ T7674] ? mark_held_locks+0xf0/0xf0 [ 70.362339][ T7674] ? __might_fault+0x12b/0x1e0 [ 70.367087][ T7674] ? __might_fault+0x12b/0x1e0 [ 70.371841][ T7674] ? lock_downgrade+0x880/0x880 [ 70.376676][ T7674] ? kasan_check_write+0x14/0x20 [ 70.381595][ T7674] ? copyin+0xb5/0x100 [ 70.385647][ T7674] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 70.391355][ T7674] ? _copy_from_iter+0x316/0xbf0 [ 70.396275][ T7674] ? check_stack_object+0x114/0x160 [ 70.401455][ T7674] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 70.407675][ T7674] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 70.413899][ T7674] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 70.420121][ T7674] ? skb_copy_datagram_from_iter+0x435/0x660 [ 70.426086][ T7674] tun_get_user+0x2cfe/0x3ff0 [ 70.430745][ T7674] ? tun_get_user+0x2cfe/0x3ff0 [ 70.435593][ T7674] ? tun_device_event+0xee0/0xee0 [ 70.440604][ T7674] ? tun_get+0x171/0x290 [ 70.444831][ T7674] ? lock_downgrade+0x880/0x880 [ 70.449665][ T7674] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 70.455897][ T7674] ? kasan_check_read+0x11/0x20 [ 70.460735][ T7674] tun_chr_write_iter+0xbd/0x156 [ 70.465657][ T7674] do_iter_readv_writev+0x5fd/0x900 [ 70.470851][ T7674] ? no_seek_end_llseek_size+0x70/0x70 [ 70.476292][ T7674] ? apparmor_file_permission+0x25/0x30 [ 70.481828][ T7674] ? rw_verify_area+0x126/0x360 [ 70.486663][ T7674] do_iter_write+0x184/0x610 [ 70.491245][ T7674] ? dup_iter+0x260/0x260 [ 70.495578][ T7674] vfs_writev+0x1b3/0x2f0 [ 70.499889][ T7674] ? vfs_iter_write+0xb0/0xb0 [ 70.504548][ T7674] ? kasan_check_read+0x11/0x20 [ 70.509392][ T7674] ? ksys_dup3+0x3e0/0x3e0 [ 70.513789][ T7674] ? kasan_check_read+0x11/0x20 [ 70.518636][ T7674] ? __fget_light+0x1a9/0x230 [ 70.523298][ T7674] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 70.529521][ T7674] do_writev+0x15b/0x330 [ 70.533753][ T7674] ? vfs_writev+0x2f0/0x2f0 [ 70.538242][ T7674] ? do_syscall_64+0x26/0x670 [ 70.542919][ T7674] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 70.548966][ T7674] ? do_syscall_64+0x26/0x670 [ 70.553628][ T7674] __x64_sys_writev+0x75/0xb0 [ 70.558303][ T7674] do_syscall_64+0x103/0x670 [ 70.562878][ T7674] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 70.568748][ T7674] RIP: 0033:0x458c61 [ 70.572624][ T7674] Code: 75 14 b8 14 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 e4 b9 fb ff c3 48 83 ec 08 e8 1a 2d 00 00 48 89 04 24 b8 14 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 63 2d 00 00 48 89 d0 48 83 c4 08 48 3d 01 [ 70.592205][ T7674] RSP: 002b:00007f6914c37ba0 EFLAGS: 00000293 ORIG_RAX: 0000000000000014 [ 70.600593][ T7674] RAX: ffffffffffffffda RBX: 000000000000001e RCX: 0000000000458c61 [ 70.608545][ T7674] RDX: 0000000000000001 RSI: 00007f6914c37c00 RDI: 00000000000000f0 [ 70.616495][ T7674] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 70.624451][ T7674] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f6914c386d4 [ 70.632402][ T7674] R13: 00000000004c77d2 R14: 00000000004dd9d0 R15: 00000000ffffffff [ 70.683835][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.747612][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.778895][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.794891][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.823049][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.842405][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.861987][ T7641] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.883220][ T7641] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.907291][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.920665][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.935540][ T7649] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.992767][ T7641] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.229482][ T7758] BUG: assuming atomic context at net/core/flow_dissector.c:737 2019/05/13 03:30:44 executed programs: 27 [ 71.293888][ T7758] in_atomic(): 0, irqs_disabled(): 0, pid: 7758, name: syz-executor.4 [ 71.337504][ T7758] 2 locks held by syz-executor.4/7758: [ 71.363873][ T7758] #0: 000000003d32ae68 (&tfile->napi_mutex){+.+.}, at: tun_get_user+0x168e/0x3ff0 [ 71.400800][ T7758] #1: 0000000009291175 (rcu_read_lock){....}, at: __skb_flow_dissect+0x1e1/0x4bb0 [ 71.411116][ T7758] CPU: 0 PID: 7758 Comm: syz-executor.4 Tainted: G W 5.1.0+ #5 [ 71.419975][ T7758] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.430019][ T7758] Call Trace: [ 71.433296][ T7758] dump_stack+0x172/0x1f0 [ 71.437612][ T7758] __cant_sleep.cold+0xa3/0xbb [ 71.442368][ T7758] ? memset+0x32/0x40 [ 71.446339][ T7758] bpf_flow_dissect+0xfe/0x390 [ 71.451101][ T7758] __skb_flow_dissect+0x362/0x4bb0 [ 71.456201][ T7758] ? __lock_acquire+0x54f/0x5490 [ 71.461129][ T7758] ? kmem_cache_alloc_node_trace+0x650/0x720 [ 71.467089][ T7758] ? bpf_flow_dissect+0x390/0x390 [ 71.472099][ T7758] ? mark_held_locks+0xf0/0xf0 [ 71.476847][ T7758] ? __might_fault+0x12b/0x1e0 [ 71.481593][ T7758] ? __might_fault+0x12b/0x1e0 [ 71.486360][ T7758] ? lock_downgrade+0x880/0x880 [ 71.491207][ T7758] ? kasan_check_write+0x14/0x20 [ 71.496125][ T7758] ? copyin+0xb5/0x100 [ 71.500180][ T7758] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 71.505880][ T7758] ? _copy_from_iter+0x316/0xbf0 [ 71.510798][ T7758] ? check_stack_object+0x114/0x160 [ 71.515975][ T7758] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 71.522195][ T7758] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 71.528419][ T7758] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 71.534648][ T7758] ? skb_copy_datagram_from_iter+0x435/0x660 [ 71.540616][ T7758] tun_get_user+0x2cfe/0x3ff0 [ 71.545273][ T7758] ? tun_get_user+0x2cfe/0x3ff0 [ 71.550119][ T7758] ? tun_device_event+0xee0/0xee0 [ 71.555122][ T7758] ? tun_get+0x171/0x290 [ 71.559353][ T7758] ? lock_downgrade+0x880/0x880 [ 71.564194][ T7758] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 71.570416][ T7758] ? kasan_check_read+0x11/0x20 [ 71.575258][ T7758] tun_chr_write_iter+0xbd/0x156 [ 71.580180][ T7758] do_iter_readv_writev+0x5fd/0x900 [ 71.585364][ T7758] ? no_seek_end_llseek_size+0x70/0x70 [ 71.590811][ T7758] ? apparmor_file_permission+0x25/0x30 [ 71.596349][ T7758] ? rw_verify_area+0x126/0x360 [ 71.601185][ T7758] do_iter_write+0x184/0x610 [ 71.605754][ T7758] ? dup_iter+0x260/0x260 [ 71.610081][ T7758] vfs_writev+0x1b3/0x2f0 [ 71.614392][ T7758] ? vfs_iter_write+0xb0/0xb0 [ 71.619046][ T7758] ? kasan_check_read+0x11/0x20 [ 71.623887][ T7758] ? ksys_dup3+0x3e0/0x3e0 [ 71.628284][ T7758] ? kasan_check_read+0x11/0x20 [ 71.633118][ T7758] ? __fget_light+0x1a9/0x230 [ 71.637781][ T7758] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 71.644003][ T7758] do_writev+0x15b/0x330 [ 71.648234][ T7758] ? vfs_writev+0x2f0/0x2f0 [ 71.652722][ T7758] ? do_syscall_64+0x26/0x670 [ 71.657493][ T7758] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 71.664546][ T7758] ? do_syscall_64+0x26/0x670 [ 71.669217][ T7758] __x64_sys_writev+0x75/0xb0 [ 71.673879][ T7758] do_syscall_64+0x103/0x670 [ 71.678483][ T7758] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 71.684355][ T7758] RIP: 0033:0x458c61 [ 71.688232][ T7758] Code: 75 14 b8 14 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 e4 b9 fb ff c3 48 83 ec 08 e8 1a 2d 00 00 48 89 04 24 b8 14 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 63 2d 00 00 48 89 d0 48 83 c4 08 48 3d 01 [ 71.707815][ T7758] RSP: 002b:00007f63c24c9ba0 EFLAGS: 00000293 ORIG_RAX: 0000000000000014 [ 71.716204][ T7758] RAX: ffffffffffffffda RBX: 000000000000001e RCX: 0000000000458c61 [ 71.724153][ T7758] RDX: 0000000000000001 RSI: 00007f63c24c9c00 RDI: 00000000000000f0 [ 71.732104][ T7758] RBP: 000000000073bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 71.740056][ T7758] R10: 00007f63c24ca9d0 R11: 0000000000000293 R12: 00007f63c24ca6d4 [ 71.748008][ T7758] R13: 00000000004c77d2 R14: 00000000004dd9d0 R15: 00000000ffffffff [ 72.226482][ T7888] BUG: assuming atomic context at net/core/flow_dissector.c:737 [ 72.284338][ T7888] in_atomic(): 0, irqs_disabled(): 0, pid: 7888, name: syz-executor.3 [ 72.375807][ T7888] 2 locks held by syz-executor.3/7888: [ 72.392577][ T7888] #0: 00000000363cac26 (&tfile->napi_mutex){+.+.}, at: tun_get_user+0x168e/0x3ff0 [ 72.404232][ T7888] #1: 0000000009291175 (rcu_read_lock){....}, at: __skb_flow_dissect+0x1e1/0x4bb0 [ 72.415708][ T7888] CPU: 0 PID: 7888 Comm: syz-executor.3 Tainted: G W 5.1.0+ #5 [ 72.424560][ T7888] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.434616][ T7888] Call Trace: [ 72.437918][ T7888] dump_stack+0x172/0x1f0 [ 72.442262][ T7888] __cant_sleep.cold+0xa3/0xbb [ 72.447026][ T7888] ? memset+0x32/0x40 [ 72.451005][ T7888] bpf_flow_dissect+0xfe/0x390 [ 72.455750][ T7888] __skb_flow_dissect+0x362/0x4bb0 [ 72.460842][ T7888] ? __lock_acquire+0x54f/0x5490 [ 72.465761][ T7888] ? kmem_cache_alloc_node_trace+0x650/0x720 [ 72.471722][ T7888] ? bpf_flow_dissect+0x390/0x390 [ 72.476725][ T7888] ? mark_held_locks+0xf0/0xf0 [ 72.481476][ T7888] ? __might_fault+0x12b/0x1e0 [ 72.486220][ T7888] ? __might_fault+0x12b/0x1e0 [ 72.490967][ T7888] ? lock_downgrade+0x880/0x880 [ 72.495842][ T7888] ? kasan_check_write+0x14/0x20 [ 72.500760][ T7888] ? copyin+0xb5/0x100 [ 72.504811][ T7888] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 72.510507][ T7888] ? _copy_from_iter+0x316/0xbf0 [ 72.515422][ T7888] ? check_stack_object+0x114/0x160 [ 72.520597][ T7888] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 72.526817][ T7888] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 72.533038][ T7888] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 72.539259][ T7888] ? skb_copy_datagram_from_iter+0x435/0x660 [ 72.545230][ T7888] tun_get_user+0x2cfe/0x3ff0 [ 72.549884][ T7888] ? tun_get_user+0x2cfe/0x3ff0 [ 72.554724][ T7888] ? tun_device_event+0xee0/0xee0 [ 72.559725][ T7888] ? tun_get+0x171/0x290 [ 72.563950][ T7888] ? lock_downgrade+0x880/0x880 [ 72.568778][ T7888] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 72.574999][ T7888] ? kasan_check_read+0x11/0x20 [ 72.579843][ T7888] tun_chr_write_iter+0xbd/0x156 [ 72.584776][ T7888] do_iter_readv_writev+0x5fd/0x900 [ 72.589958][ T7888] ? no_seek_end_llseek_size+0x70/0x70 [ 72.595397][ T7888] ? apparmor_file_permission+0x25/0x30 [ 72.600924][ T7888] ? rw_verify_area+0x126/0x360 [ 72.605773][ T7888] do_iter_write+0x184/0x610 [ 72.610365][ T7888] ? dup_iter+0x260/0x260 [ 72.614680][ T7888] vfs_writev+0x1b3/0x2f0 [ 72.618988][ T7888] ? vfs_iter_write+0xb0/0xb0 [ 72.623642][ T7888] ? kasan_check_read+0x11/0x20 [ 72.628480][ T7888] ? ksys_dup3+0x3e0/0x3e0 [ 72.632875][ T7888] ? kasan_check_read+0x11/0x20 [ 72.637707][ T7888] ? __fget_light+0x1a9/0x230 [ 72.642369][ T7888] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 72.648593][ T7888] do_writev+0x15b/0x330 [ 72.652824][ T7888] ? vfs_writev+0x2f0/0x2f0 [ 72.657306][ T7888] ? do_syscall_64+0x26/0x670 [ 72.662071][ T7888] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 72.668116][ T7888] ? do_syscall_64+0x26/0x670 [ 72.672781][ T7888] __x64_sys_writev+0x75/0xb0 [ 72.677455][ T7888] do_syscall_64+0x103/0x670 [ 72.682029][ T7888] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 72.690950][ T7888] RIP: 0033:0x458c61 [ 72.694838][ T7888] Code: 75 14 b8 14 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 e4 b9 fb ff c3 48 83 ec 08 e8 1a 2d 00 00 48 89 04 24 b8 14 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 63 2d 00 00 48 89 d0 48 83 c4 08 48 3d 01 [ 72.714425][ T7888] RSP: 002b:00007f6914c16ba0 EFLAGS: 00000293 ORIG_RAX: 0000000000000014 [ 72.722825][ T7888] RAX: ffffffffffffffda RBX: 000000000000001e RCX: 0000000000458c61 [ 72.730869][ T7888] RDX: 0000000000000001 RSI: 00007f6914c16c00 RDI: 00000000000000f0 [ 72.738818][ T7888] RBP: 000000000073bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 72.746766][ T7888] R10: 00007f6914c179d0 R11: 0000000000000293 R12: 00007f6914c176d4 [ 72.754732][ T7888] R13: 00000000004c77d2 R14: 00000000004dd9d0 R15: 00000000ffffffff [ 73.238609][ T8017] BUG: assuming atomic context at net/core/flow_dissector.c:737 [ 73.290226][ T8017] in_atomic(): 0, irqs_disabled(): 0, pid: 8017, name: syz-executor.5 [ 73.305199][ T8017] 2 locks held by syz-executor.5/8017: [ 73.311233][ T8017] #0: 00000000e1e1f6a6 (&tfile->napi_mutex){+.+.}, at: tun_get_user+0x168e/0x3ff0 [ 73.325836][ T8017] #1: 0000000009291175 (rcu_read_lock){....}, at: __skb_flow_dissect+0x1e1/0x4bb0 [ 73.340577][ T8017] CPU: 1 PID: 8017 Comm: syz-executor.5 Tainted: G W 5.1.0+ #5 [ 73.349430][ T8017] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.349443][ T8017] Call Trace: [ 73.349464][ T8017] dump_stack+0x172/0x1f0 [ 73.349486][ T8017] __cant_sleep.cold+0xa3/0xbb [ 73.349503][ T8017] ? memset+0x32/0x40 [ 73.349518][ T8017] bpf_flow_dissect+0xfe/0x390 [ 73.349534][ T8017] __skb_flow_dissect+0x362/0x4bb0 [ 73.349548][ T8017] ? __lock_acquire+0x54f/0x5490 [ 73.349565][ T8017] ? kmem_cache_alloc_node_trace+0x650/0x720 [ 73.349578][ T8017] ? bpf_flow_dissect+0x390/0x390 [ 73.349594][ T8017] ? mark_held_locks+0xf0/0xf0 [ 73.406419][ T8017] ? __lock_acquire+0x54f/0x5490 [ 73.411346][ T8017] ? __might_fault+0x12b/0x1e0 [ 73.416099][ T8017] ? __might_fault+0x12b/0x1e0 [ 73.420857][ T8017] ? lock_downgrade+0x880/0x880 [ 73.425692][ T8017] ? kasan_check_write+0x14/0x20 [ 73.430614][ T8017] ? copyin+0xb5/0x100 [ 73.434668][ T8017] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 73.440371][ T8017] ? _copy_from_iter+0x316/0xbf0 [ 73.445296][ T8017] ? check_stack_object+0x114/0x160 [ 73.450477][ T8017] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 73.456699][ T8017] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 73.462926][ T8017] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 73.469153][ T8017] ? skb_copy_datagram_from_iter+0x435/0x660 [ 73.475122][ T8017] tun_get_user+0x2cfe/0x3ff0 [ 73.479779][ T8017] ? tun_get_user+0x2cfe/0x3ff0 [ 73.484626][ T8017] ? tun_device_event+0xee0/0xee0 [ 73.489633][ T8017] ? tun_get+0x171/0x290 [ 73.493865][ T8017] ? lock_downgrade+0x880/0x880 [ 73.498707][ T8017] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 73.504928][ T8017] ? kasan_check_read+0x11/0x20 [ 73.509766][ T8017] tun_chr_write_iter+0xbd/0x156 [ 73.514689][ T8017] do_iter_readv_writev+0x5fd/0x900 [ 73.519875][ T8017] ? no_seek_end_llseek_size+0x70/0x70 [ 73.525332][ T8017] ? apparmor_file_permission+0x25/0x30 [ 73.530863][ T8017] ? rw_verify_area+0x126/0x360 [ 73.535698][ T8017] do_iter_write+0x184/0x610 [ 73.540286][ T8017] ? dup_iter+0x260/0x260 [ 73.544620][ T8017] vfs_writev+0x1b3/0x2f0 [ 73.548932][ T8017] ? vfs_iter_write+0xb0/0xb0 [ 73.553589][ T8017] ? kasan_check_read+0x11/0x20 [ 73.558431][ T8017] ? ksys_dup3+0x3e0/0x3e0 [ 73.562845][ T8017] ? kasan_check_read+0x11/0x20 [ 73.567691][ T8017] ? __fget_light+0x1a9/0x230 [ 73.572356][ T8017] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 73.578578][ T8017] do_writev+0x15b/0x330 [ 73.582805][ T8017] ? vfs_writev+0x2f0/0x2f0 [ 73.587293][ T8017] ? do_syscall_64+0x26/0x670 [ 73.591950][ T8017] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 73.597994][ T8017] ? do_syscall_64+0x26/0x670 [ 73.602657][ T8017] __x64_sys_writev+0x75/0xb0 [ 73.607318][ T8017] do_syscall_64+0x103/0x670 [ 73.611892][ T8017] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 73.617764][ T8017] RIP: 0033:0x458c61 [ 73.621641][ T8017] Code: 75 14 b8 14 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 e4 b9 fb ff c3 48 83 ec 08 e8 1a 2d 00 00 48 89 04 24 b8 14 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 63 2d 00 00 48 89 d0 48 83 c4 08 48 3d 01 [ 73.641223][ T8017] RSP: 002b:00007f805c3aaba0 EFLAGS: 00000293 ORIG_RAX: 0000000000000014 [ 73.649641][ T8017] RAX: ffffffffffffffda RBX: 000000000000001e RCX: 0000000000458c61 [ 73.657604][ T8017] RDX: 0000000000000001 RSI: 00007f805c3aac00 RDI: 00000000000000f0 [ 73.666216][ T8017] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 73.674176][ T8017] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f805c3ab6d4 [ 73.682127][ T8017] R13: 00000000004c77d2 R14: 00000000004dd9d0 R15: 00000000ffffffff [ 74.248457][ T8144] BUG: assuming atomic context at net/core/flow_dissector.c:737 [ 74.278272][ T8144] in_atomic(): 0, irqs_disabled(): 0, pid: 8144, name: syz-executor.3 [ 74.327669][ T8144] 2 locks held by syz-executor.3/8144: [ 74.356664][ T8144] #0: 00000000363cac26 (&tfile->napi_mutex){+.+.}, at: tun_get_user+0x168e/0x3ff0 [ 74.397324][ T8144] #1: 0000000009291175 (rcu_read_lock){....}, at: __skb_flow_dissect+0x1e1/0x4bb0 [ 74.420216][ T8144] CPU: 0 PID: 8144 Comm: syz-executor.3 Tainted: G W 5.1.0+ #5 [ 74.429193][ T8144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.429200][ T8144] Call Trace: [ 74.429221][ T8144] dump_stack+0x172/0x1f0 [ 74.429243][ T8144] __cant_sleep.cold+0xa3/0xbb [ 74.451693][ T8144] ? memset+0x32/0x40 [ 74.455661][ T8144] bpf_flow_dissect+0xfe/0x390 [ 74.460409][ T8144] __skb_flow_dissect+0x362/0x4bb0 [ 74.465505][ T8144] ? __lock_acquire+0x54f/0x5490 [ 74.470428][ T8144] ? kmem_cache_alloc_node_trace+0x650/0x720 [ 74.476394][ T8144] ? bpf_flow_dissect+0x390/0x390 [ 74.481403][ T8144] ? mark_held_locks+0xf0/0xf0 [ 74.486147][ T8144] ? __lock_acquire+0x54f/0x5490 [ 74.491078][ T8144] ? __might_fault+0x12b/0x1e0 [ 74.495916][ T8144] ? __might_fault+0x12b/0x1e0 [ 74.500666][ T8144] ? lock_downgrade+0x880/0x880 [ 74.505502][ T8144] ? kasan_check_write+0x14/0x20 [ 74.510418][ T8144] ? copyin+0xb5/0x100 [ 74.514479][ T8144] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 74.520190][ T8144] ? _copy_from_iter+0x316/0xbf0 [ 74.525111][ T8144] ? check_stack_object+0x114/0x160 [ 74.530304][ T8144] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 74.536524][ T8144] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 74.542750][ T8144] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 74.548972][ T8144] ? skb_copy_datagram_from_iter+0x435/0x660 [ 74.554957][ T8144] tun_get_user+0x2cfe/0x3ff0 [ 74.559615][ T8144] ? tun_get_user+0x2cfe/0x3ff0 [ 74.564461][ T8144] ? tun_device_event+0xee0/0xee0 [ 74.569470][ T8144] ? tun_get+0x171/0x290 [ 74.573699][ T8144] ? lock_downgrade+0x880/0x880 [ 74.578530][ T8144] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 74.584765][ T8144] ? kasan_check_read+0x11/0x20 [ 74.589601][ T8144] tun_chr_write_iter+0xbd/0x156 [ 74.594541][ T8144] do_iter_readv_writev+0x5fd/0x900 [ 74.599723][ T8144] ? no_seek_end_llseek_size+0x70/0x70 [ 74.605170][ T8144] ? apparmor_file_permission+0x25/0x30 [ 74.610702][ T8144] ? rw_verify_area+0x126/0x360 [ 74.615536][ T8144] do_iter_write+0x184/0x610 [ 74.620108][ T8144] ? dup_iter+0x260/0x260 [ 74.624425][ T8144] vfs_writev+0x1b3/0x2f0 [ 74.628742][ T8144] ? vfs_iter_write+0xb0/0xb0 [ 74.633395][ T8144] ? kasan_check_read+0x11/0x20 [ 74.638246][ T8144] ? ksys_dup3+0x3e0/0x3e0 [ 74.642645][ T8144] ? kasan_check_read+0x11/0x20 [ 74.647480][ T8144] ? __fget_light+0x1a9/0x230 [ 74.652155][ T8144] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 74.658386][ T8144] do_writev+0x15b/0x330 [ 74.662815][ T8144] ? vfs_writev+0x2f0/0x2f0 [ 74.667301][ T8144] ? do_syscall_64+0x26/0x670 [ 74.671961][ T8144] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 74.678004][ T8144] ? do_syscall_64+0x26/0x670 [ 74.682667][ T8144] __x64_sys_writev+0x75/0xb0 [ 74.690985][ T8144] do_syscall_64+0x103/0x670 [ 74.697400][ T8144] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 74.703286][ T8144] RIP: 0033:0x458c61 [ 74.707171][ T8144] Code: 75 14 b8 14 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 e4 b9 fb ff c3 48 83 ec 08 e8 1a 2d 00 00 48 89 04 24 b8 14 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 63 2d 00 00 48 89 d0 48 83 c4 08 48 3d 01 [ 74.726752][ T8144] RSP: 002b:00007f6914c37ba0 EFLAGS: 00000293 ORIG_RAX: 0000000000000014 [ 74.735140][ T8144] RAX: ffffffffffffffda RBX: 000000000000001e RCX: 0000000000458c61 [ 74.743099][ T8144] RDX: 0000000000000001 RSI: 00007f6914c37c00 RDI: 00000000000000f0 [ 74.751053][ T8144] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 74.759004][ T8144] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f6914c386d4 [ 74.766956][ T8144] R13: 00000000004c77d2 R14: 00000000004dd9d0 R15: 00000000ffffffff [ 75.271241][ T8287] BUG: assuming atomic context at net/core/flow_dissector.c:737 [ 75.384353][ T8287] in_atomic(): 0, irqs_disabled(): 0, pid: 8287, name: syz-executor.2 [ 75.523480][ T8287] 2 locks held by syz-executor.2/8287: [ 75.543878][ T8287] #0: 00000000203b6ce8 (&tfile->napi_mutex){+.+.}, at: tun_get_user+0x168e/0x3ff0 [ 75.555388][ T8287] #1: 0000000009291175 (rcu_read_lock){....}, at: __skb_flow_dissect+0x1e1/0x4bb0 [ 75.566239][ T8287] CPU: 0 PID: 8287 Comm: syz-executor.2 Tainted: G W 5.1.0+ #5 [ 75.575104][ T8287] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.585135][ T8287] Call Trace: [ 75.588412][ T8287] dump_stack+0x172/0x1f0 [ 75.592724][ T8287] __cant_sleep.cold+0xa3/0xbb [ 75.597463][ T8287] ? memset+0x32/0x40 [ 75.601428][ T8287] bpf_flow_dissect+0xfe/0x390 [ 75.606173][ T8287] __skb_flow_dissect+0x362/0x4bb0 [ 75.611262][ T8287] ? __lock_acquire+0x54f/0x5490 [ 75.616196][ T8287] ? kmem_cache_alloc_node_trace+0x650/0x720 [ 75.622152][ T8287] ? bpf_flow_dissect+0x390/0x390 [ 75.627172][ T8287] ? mark_held_locks+0xf0/0xf0 [ 75.631911][ T8287] ? __lock_acquire+0x54f/0x5490 [ 75.636829][ T8287] ? __update_load_avg_se+0x575/0x9e0 [ 75.642182][ T8287] ? __might_fault+0x12b/0x1e0 [ 75.646928][ T8287] ? __might_fault+0x12b/0x1e0 [ 75.651674][ T8287] ? lock_downgrade+0x880/0x880 [ 75.656506][ T8287] ? kasan_check_write+0x14/0x20 [ 75.661427][ T8287] ? copyin+0xb5/0x100 [ 75.666275][ T8287] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 75.671973][ T8287] ? _copy_from_iter+0x316/0xbf0 [ 75.676891][ T8287] ? check_stack_object+0x114/0x160 [ 75.682072][ T8287] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 75.688287][ T8287] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 75.694510][ T8287] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 75.700729][ T8287] ? skb_copy_datagram_from_iter+0x435/0x660 [ 75.706694][ T8287] tun_get_user+0x2cfe/0x3ff0 [ 75.711351][ T8287] ? tun_get_user+0x2cfe/0x3ff0 [ 75.716194][ T8287] ? tun_device_event+0xee0/0xee0 [ 75.721197][ T8287] ? tun_get+0x171/0x290 [ 75.725423][ T8287] ? lock_downgrade+0x880/0x880 [ 75.730263][ T8287] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 75.736508][ T8287] ? kasan_check_read+0x11/0x20 [ 75.741441][ T8287] tun_chr_write_iter+0xbd/0x156 [ 75.746367][ T8287] do_iter_readv_writev+0x5fd/0x900 [ 75.751546][ T8287] ? no_seek_end_llseek_size+0x70/0x70 [ 75.756986][ T8287] ? apparmor_file_permission+0x25/0x30 [ 75.762524][ T8287] ? rw_verify_area+0x126/0x360 [ 75.767356][ T8287] do_iter_write+0x184/0x610 [ 75.771922][ T8287] ? dup_iter+0x260/0x260 [ 75.776234][ T8287] vfs_writev+0x1b3/0x2f0 [ 75.780539][ T8287] ? vfs_iter_write+0xb0/0xb0 [ 75.785188][ T8287] ? kasan_check_read+0x11/0x20 [ 75.790025][ T8287] ? ksys_dup3+0x3e0/0x3e0 [ 75.794420][ T8287] ? kasan_check_read+0x11/0x20 [ 75.799249][ T8287] ? __fget_light+0x1a9/0x230 [ 75.803904][ T8287] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 75.810130][ T8287] do_writev+0x15b/0x330 [ 75.814354][ T8287] ? vfs_writev+0x2f0/0x2f0 [ 75.818838][ T8287] ? do_syscall_64+0x26/0x670 [ 75.823491][ T8287] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 75.829535][ T8287] ? do_syscall_64+0x26/0x670 [ 75.834203][ T8287] __x64_sys_writev+0x75/0xb0 [ 75.838857][ T8287] do_syscall_64+0x103/0x670 [ 75.843426][ T8287] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 75.849293][ T8287] RIP: 0033:0x458c61 [ 75.853168][ T8287] Code: 75 14 b8 14 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 e4 b9 fb ff c3 48 83 ec 08 e8 1a 2d 00 00 48 89 04 24 b8 14 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 63 2d 00 00 48 89 d0 48 83 c4 08 48 3d 01 [ 75.872833][ T8287] RSP: 002b:00007f09d48adba0 EFLAGS: 00000293 ORIG_RAX: 0000000000000014 [ 75.881235][ T8287] RAX: ffffffffffffffda RBX: 000000000000001e RCX: 0000000000458c61 [ 75.889195][ T8287] RDX: 0000000000000001 RSI: 00007f09d48adc00 RDI: 00000000000000f0 [ 75.897142][ T8287] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 75.905092][ T8287] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f09d48ae6d4 [ 75.913053][ T8287] R13: 00000000004c77d2 R14: 00000000004dd9d0 R15: 00000000ffffffff 2019/05/13 03:30:49 executed programs: 195 [ 76.300237][ T8420] BUG: assuming atomic context at net/core/flow_dissector.c:737 [ 76.386702][ T8420] in_atomic(): 0, irqs_disabled(): 0, pid: 8420, name: syz-executor.5 [ 76.453413][ T8420] 2 locks held by syz-executor.5/8420: [ 76.522757][ T8420] #0: 00000000e1e1f6a6 (&tfile->napi_mutex){+.+.}, at: tun_get_user+0x168e/0x3ff0 [ 76.559896][ T8420] #1: 0000000009291175 (rcu_read_lock){....}, at: __skb_flow_dissect+0x1e1/0x4bb0 [ 76.570333][ T8420] CPU: 0 PID: 8420 Comm: syz-executor.5 Tainted: G W 5.1.0+ #5 [ 76.579193][ T8420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.589241][ T8420] Call Trace: [ 76.592532][ T8420] dump_stack+0x172/0x1f0 [ 76.596848][ T8420] __cant_sleep.cold+0xa3/0xbb [ 76.601594][ T8420] ? memset+0x32/0x40 [ 76.605557][ T8420] bpf_flow_dissect+0xfe/0x390 [ 76.610302][ T8420] __skb_flow_dissect+0x362/0x4bb0 [ 76.615389][ T8420] ? __lock_acquire+0x54f/0x5490 [ 76.620311][ T8420] ? kmem_cache_alloc_node_trace+0x650/0x720 [ 76.626272][ T8420] ? bpf_flow_dissect+0x390/0x390 [ 76.631282][ T8420] ? mark_held_locks+0xf0/0xf0 [ 76.636036][ T8420] ? __lock_acquire+0x54f/0x5490 [ 76.640953][ T8420] ? __might_fault+0x12b/0x1e0 [ 76.645700][ T8420] ? __might_fault+0x12b/0x1e0 [ 76.650455][ T8420] ? lock_downgrade+0x880/0x880 [ 76.655286][ T8420] ? kasan_check_write+0x14/0x20 [ 76.660204][ T8420] ? copyin+0xb5/0x100 [ 76.664259][ T8420] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 76.669957][ T8420] ? _copy_from_iter+0x316/0xbf0 [ 76.674877][ T8420] ? check_stack_object+0x114/0x160 [ 76.680051][ T8420] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 76.686267][ T8420] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 76.692486][ T8420] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 76.698704][ T8420] ? skb_copy_datagram_from_iter+0x435/0x660 [ 76.704679][ T8420] tun_get_user+0x2cfe/0x3ff0 [ 76.709334][ T8420] ? tun_get_user+0x2cfe/0x3ff0 [ 76.714170][ T8420] ? tun_device_event+0xee0/0xee0 [ 76.719171][ T8420] ? tun_get+0x171/0x290 [ 76.723397][ T8420] ? lock_downgrade+0x880/0x880 [ 76.728223][ T8420] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 76.734443][ T8420] ? kasan_check_read+0x11/0x20 [ 76.739279][ T8420] tun_chr_write_iter+0xbd/0x156 [ 76.744197][ T8420] do_iter_readv_writev+0x5fd/0x900 [ 76.749393][ T8420] ? no_seek_end_llseek_size+0x70/0x70 [ 76.754829][ T8420] ? apparmor_file_permission+0x25/0x30 [ 76.760370][ T8420] ? rw_verify_area+0x126/0x360 [ 76.765198][ T8420] do_iter_write+0x184/0x610 [ 76.769770][ T8420] ? dup_iter+0x260/0x260 [ 76.774088][ T8420] vfs_writev+0x1b3/0x2f0 [ 76.778396][ T8420] ? vfs_iter_write+0xb0/0xb0 [ 76.783055][ T8420] ? kasan_check_read+0x11/0x20 [ 76.787890][ T8420] ? ksys_dup3+0x3e0/0x3e0 [ 76.792288][ T8420] ? kasan_check_read+0x11/0x20 [ 76.797121][ T8420] ? __fget_light+0x1a9/0x230 [ 76.801777][ T8420] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 76.807999][ T8420] do_writev+0x15b/0x330 [ 76.812220][ T8420] ? vfs_writev+0x2f0/0x2f0 [ 76.816706][ T8420] ? do_syscall_64+0x26/0x670 [ 76.821361][ T8420] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 76.827400][ T8420] ? do_syscall_64+0x26/0x670 [ 76.832054][ T8420] __x64_sys_writev+0x75/0xb0 [ 76.836844][ T8420] do_syscall_64+0x103/0x670 [ 76.841413][ T8420] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 76.847283][ T8420] RIP: 0033:0x458c61 [ 76.851157][ T8420] Code: 75 14 b8 14 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 e4 b9 fb ff c3 48 83 ec 08 e8 1a 2d 00 00 48 89 04 24 b8 14 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 63 2d 00 00 48 89 d0 48 83 c4 08 48 3d 01 [ 76.870736][ T8420] RSP: 002b:00007f805c3aaba0 EFLAGS: 00000293 ORIG_RAX: 0000000000000014 [ 76.879123][ T8420] RAX: ffffffffffffffda RBX: 000000000000001e RCX: 0000000000458c61 [ 76.887073][ T8420] RDX: 0000000000000001 RSI: 00007f805c3aac00 RDI: 00000000000000f0 [ 76.895034][ T8420] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 76.902983][ T8420] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f805c3ab6d4 [ 76.910930][ T8420] R13: 00000000004c77d2 R14: 00000000004dd9d0 R15: 00000000ffffffff [ 77.303177][ T8548] BUG: assuming atomic context at net/core/flow_dissector.c:737 [ 77.374332][ T8548] in_atomic(): 0, irqs_disabled(): 0, pid: 8548, name: syz-executor.2 [ 77.394521][ T8548] 2 locks held by syz-executor.2/8548: [ 77.438099][ T8548] #0: 00000000203b6ce8 (&tfile->napi_mutex){+.+.}, at: tun_get_user+0x168e/0x3ff0 [ 77.488539][ T8548] #1: 0000000009291175 (rcu_read_lock){....}, at: __skb_flow_dissect+0x1e1/0x4bb0 [ 77.536416][ T8548] CPU: 0 PID: 8548 Comm: syz-executor.2 Tainted: G W 5.1.0+ #5 [ 77.545296][ T8548] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.555347][ T8548] Call Trace: [ 77.558627][ T8548] dump_stack+0x172/0x1f0 [ 77.562943][ T8548] __cant_sleep.cold+0xa3/0xbb [ 77.567685][ T8548] ? memset+0x32/0x40 [ 77.571651][ T8548] bpf_flow_dissect+0xfe/0x390 [ 77.576401][ T8548] __skb_flow_dissect+0x362/0x4bb0 [ 77.581492][ T8548] ? __lock_acquire+0x54f/0x5490 [ 77.586426][ T8548] ? kmem_cache_alloc_node_trace+0x650/0x720 [ 77.592386][ T8548] ? bpf_flow_dissect+0x390/0x390 [ 77.597394][ T8548] ? mark_held_locks+0xf0/0xf0 [ 77.602158][ T8548] ? __lock_acquire+0x54f/0x5490 [ 77.607089][ T8548] ? __update_load_avg_se+0x575/0x9e0 [ 77.612444][ T8548] ? __might_fault+0x12b/0x1e0 [ 77.617189][ T8548] ? __might_fault+0x12b/0x1e0 [ 77.621936][ T8548] ? lock_downgrade+0x880/0x880 [ 77.626770][ T8548] ? kasan_check_write+0x14/0x20 [ 77.631688][ T8548] ? copyin+0xb5/0x100 [ 77.635742][ T8548] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 77.641441][ T8548] ? _copy_from_iter+0x316/0xbf0 [ 77.646366][ T8548] ? check_stack_object+0x114/0x160 [ 77.651550][ T8548] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 77.657773][ T8548] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 77.664005][ T8548] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 77.670778][ T8548] ? skb_copy_datagram_from_iter+0x435/0x660 [ 77.676766][ T8548] tun_get_user+0x2cfe/0x3ff0 [ 77.681425][ T8548] ? tun_get_user+0x2cfe/0x3ff0 [ 77.686559][ T8548] ? tun_device_event+0xee0/0xee0 [ 77.692285][ T8548] ? tun_get+0x171/0x290 [ 77.697061][ T8548] ? lock_downgrade+0x880/0x880 [ 77.701899][ T8548] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 77.708135][ T8548] ? kasan_check_read+0x11/0x20 [ 77.712978][ T8548] tun_chr_write_iter+0xbd/0x156 [ 77.717906][ T8548] do_iter_readv_writev+0x5fd/0x900 [ 77.723086][ T8548] ? no_seek_end_llseek_size+0x70/0x70 [ 77.728525][ T8548] ? apparmor_file_permission+0x25/0x30 [ 77.734056][ T8548] ? rw_verify_area+0x126/0x360 [ 77.738905][ T8548] do_iter_write+0x184/0x610 [ 77.743502][ T8548] ? dup_iter+0x260/0x260 [ 77.747818][ T8548] vfs_writev+0x1b3/0x2f0 [ 77.752127][ T8548] ? vfs_iter_write+0xb0/0xb0 [ 77.756797][ T8548] ? kasan_check_read+0x11/0x20 [ 77.761666][ T8548] ? ksys_dup3+0x3e0/0x3e0 [ 77.766061][ T8548] ? kasan_check_read+0x11/0x20 [ 77.770899][ T8548] ? __fget_light+0x1a9/0x230 [ 77.775558][ T8548] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 77.781796][ T8548] do_writev+0x15b/0x330 [ 77.786626][ T8548] ? vfs_writev+0x2f0/0x2f0 [ 77.791110][ T8548] ? do_syscall_64+0x26/0x670 [ 77.795775][ T8548] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 77.801825][ T8548] ? do_syscall_64+0x26/0x670 [ 77.806484][ T8548] __x64_sys_writev+0x75/0xb0 [ 77.811168][ T8548] do_syscall_64+0x103/0x670 [ 77.815758][ T8548] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 77.821627][ T8548] RIP: 0033:0x458c61 [ 77.825510][ T8548] Code: 75 14 b8 14 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 e4 b9 fb ff c3 48 83 ec 08 e8 1a 2d 00 00 48 89 04 24 b8 14 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 63 2d 00 00 48 89 d0 48 83 c4 08 48 3d 01 [ 77.845088][ T8548] RSP: 002b:00007f09d48adba0 EFLAGS: 00000293 ORIG_RAX: 0000000000000014 [ 77.853477][ T8548] RAX: ffffffffffffffda RBX: 000000000000001e RCX: 0000000000458c61 [ 77.861425][ T8548] RDX: 0000000000000001 RSI: 00007f09d48adc00 RDI: 00000000000000f0 [ 77.869386][ T8548] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 77.877349][ T8548] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f09d48ae6d4 [ 77.885297][ T8548] R13: 00000000004c77d2 R14: 00000000004dd9d0 R15: 00000000ffffffff [ 78.297228][ T8683] BUG: assuming atomic context at net/core/flow_dissector.c:737 [ 78.379752][ T8683] in_atomic(): 0, irqs_disabled(): 0, pid: 8683, name: syz-executor.1 [ 78.408922][ T8683] 2 locks held by syz-executor.1/8683: [ 78.434118][ T8683] #0: 00000000af07eb86 (&tfile->napi_mutex){+.+.}, at: tun_get_user+0x168e/0x3ff0 [ 78.468147][ T8683] #1: 0000000009291175 (rcu_read_lock){....}, at: __skb_flow_dissect+0x1e1/0x4bb0 [ 78.517620][ T8683] CPU: 0 PID: 8683 Comm: syz-executor.1 Tainted: G W 5.1.0+ #5 [ 78.526503][ T8683] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.536539][ T8683] Call Trace: [ 78.539825][ T8683] dump_stack+0x172/0x1f0 [ 78.544144][ T8683] __cant_sleep.cold+0xa3/0xbb [ 78.548892][ T8683] ? memset+0x32/0x40 [ 78.552858][ T8683] bpf_flow_dissect+0xfe/0x390 [ 78.557609][ T8683] __skb_flow_dissect+0x362/0x4bb0 [ 78.562710][ T8683] ? __lock_acquire+0x54f/0x5490 [ 78.567631][ T8683] ? kmem_cache_alloc_node_trace+0x650/0x720 [ 78.573592][ T8683] ? bpf_flow_dissect+0x390/0x390 [ 78.578603][ T8683] ? mark_held_locks+0xf0/0xf0 [ 78.583357][ T8683] ? __might_fault+0x12b/0x1e0 [ 78.588109][ T8683] ? __might_fault+0x12b/0x1e0 [ 78.592861][ T8683] ? lock_downgrade+0x880/0x880 [ 78.597697][ T8683] ? kasan_check_write+0x14/0x20 [ 78.602615][ T8683] ? copyin+0xb5/0x100 [ 78.606669][ T8683] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 78.612369][ T8683] ? _copy_from_iter+0x316/0xbf0 [ 78.617290][ T8683] ? check_stack_object+0x114/0x160 [ 78.622468][ T8683] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 78.628697][ T8683] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 78.634940][ T8683] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 78.641165][ T8683] ? skb_copy_datagram_from_iter+0x435/0x660 [ 78.647133][ T8683] tun_get_user+0x2cfe/0x3ff0 [ 78.651792][ T8683] ? tun_get_user+0x2cfe/0x3ff0 [ 78.656648][ T8683] ? tun_device_event+0xee0/0xee0 [ 78.661651][ T8683] ? tun_get+0x171/0x290 [ 78.665879][ T8683] ? lock_downgrade+0x880/0x880 [ 78.670731][ T8683] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 78.676951][ T8683] ? kasan_check_read+0x11/0x20 [ 78.681788][ T8683] tun_chr_write_iter+0xbd/0x156 [ 78.686718][ T8683] do_iter_readv_writev+0x5fd/0x900 [ 78.691900][ T8683] ? no_seek_end_llseek_size+0x70/0x70 [ 78.697343][ T8683] ? apparmor_file_permission+0x25/0x30 [ 78.702873][ T8683] ? rw_verify_area+0x126/0x360 [ 78.707708][ T8683] do_iter_write+0x184/0x610 [ 78.712277][ T8683] ? dup_iter+0x260/0x260 [ 78.716605][ T8683] vfs_writev+0x1b3/0x2f0 [ 78.720918][ T8683] ? vfs_iter_write+0xb0/0xb0 [ 78.725573][ T8683] ? kasan_check_read+0x11/0x20 [ 78.730416][ T8683] ? ksys_dup3+0x3e0/0x3e0 [ 78.734822][ T8683] ? kasan_check_read+0x11/0x20 [ 78.739655][ T8683] ? __fget_light+0x1a9/0x230 [ 78.744315][ T8683] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 78.750536][ T8683] do_writev+0x15b/0x330 [ 78.754765][ T8683] ? vfs_writev+0x2f0/0x2f0 [ 78.759257][ T8683] ? do_syscall_64+0x26/0x670 [ 78.763916][ T8683] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 78.769964][ T8683] ? do_syscall_64+0x26/0x670 [ 78.774623][ T8683] __x64_sys_writev+0x75/0xb0 [ 78.779281][ T8683] do_syscall_64+0x103/0x670 [ 78.783854][ T8683] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 78.789724][ T8683] RIP: 0033:0x458c61 [ 78.793608][ T8683] Code: 75 14 b8 14 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 e4 b9 fb ff c3 48 83 ec 08 e8 1a 2d 00 00 48 89 04 24 b8 14 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 63 2d 00 00 48 89 d0 48 83 c4 08 48 3d 01 [ 78.813189][ T8683] RSP: 002b:00007f57fa3b3ba0 EFLAGS: 00000293 ORIG_RAX: 0000000000000014 [ 78.821578][ T8683] RAX: ffffffffffffffda RBX: 000000000000001e RCX: 0000000000458c61 [ 78.829920][ T8683] RDX: 0000000000000001 RSI: 00007f57fa3b3c00 RDI: 00000000000000f0 [ 78.837876][ T8683] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 78.845827][ T8683] R10: ffffffffffffffff R11: 0000000000000293 R12: 00007f57fa3b46d4 [ 78.853776][ T8683] R13: 00000000004c77d2 R14: 00000000004dd9d0 R15: 00000000ffffffff [ 79.299483][ T8828] BUG: assuming atomic context at net/core/flow_dissector.c:737 [ 79.351752][ T8828] in_atomic(): 0, irqs_disabled(): 0, pid: 8828, name: syz-executor.0 [ 79.373055][ T8828] 2 locks held by syz-executor.0/8828: [ 79.446756][ T8828] #0: 00000000a0ca85fc (&tfile->napi_mutex){+.+.}, at: tun_get_user+0x168e/0x3ff0 [ 79.465850][ T8828] #1: 0000000009291175 (rcu_read_lock){....}, at: __skb_flow_dissect+0x1e1/0x4bb0 [ 79.475772][ T8828] CPU: 1 PID: 8828 Comm: syz-executor.0 Tainted: G W 5.1.0+ #5 [ 79.484627][ T8828] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.494672][ T8828] Call Trace: [ 79.494694][ T8828] dump_stack+0x172/0x1f0 [ 79.494717][ T8828] __cant_sleep.cold+0xa3/0xbb [ 79.494739][ T8828] ? memset+0x32/0x40 [ 79.494757][ T8828] bpf_flow_dissect+0xfe/0x390 [ 79.494776][ T8828] __skb_flow_dissect+0x362/0x4bb0 [ 79.520926][ T8828] ? __lock_acquire+0x54f/0x5490 [ 79.520950][ T8828] ? kmem_cache_alloc_node_trace+0x650/0x720 [ 79.520970][ T8828] ? bpf_flow_dissect+0x390/0x390 [ 79.520989][ T8828] ? mark_held_locks+0xf0/0xf0 [ 79.521003][ T8828] ? __lock_acquire+0x54f/0x5490 [ 79.521025][ T8828] ? __might_fault+0x12b/0x1e0 [ 79.546766][ T8828] ? __might_fault+0x12b/0x1e0 [ 79.546791][ T8828] ? lock_downgrade+0x880/0x880 [ 79.546813][ T8828] ? kasan_check_write+0x14/0x20 [ 79.546827][ T8828] ? copyin+0xb5/0x100 [ 79.546847][ T8828] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 79.556341][ T8828] ? _copy_from_iter+0x316/0xbf0 [ 79.580767][ T8828] ? check_stack_object+0x114/0x160 [ 79.585974][ T8828] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 79.592217][ T8828] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 79.598468][ T8828] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 79.604730][ T8828] ? skb_copy_datagram_from_iter+0x435/0x660 [ 79.610742][ T8828] tun_get_user+0x2cfe/0x3ff0 [ 79.615416][ T8828] ? tun_get_user+0x2cfe/0x3ff0 [ 79.620256][ T8828] ? tun_device_event+0xee0/0xee0 [ 79.625259][ T8828] ? tun_get+0x171/0x290 [ 79.629505][ T8828] ? lock_downgrade+0x880/0x880 [ 79.634351][ T8828] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 79.640580][ T8828] ? kasan_check_read+0x11/0x20 [ 79.645440][ T8828] tun_chr_write_iter+0xbd/0x156 [ 79.650375][ T8828] do_iter_readv_writev+0x5fd/0x900 [ 79.655567][ T8828] ? no_seek_end_llseek_size+0x70/0x70 [ 79.661024][ T8828] ? apparmor_file_permission+0x25/0x30 [ 79.667381][ T8828] ? rw_verify_area+0x126/0x360 [ 79.672225][ T8828] do_iter_write+0x184/0x610 [ 79.676799][ T8828] ? dup_iter+0x260/0x260 [ 79.681112][ T8828] vfs_writev+0x1b3/0x2f0 [ 79.685421][ T8828] ? vfs_iter_write+0xb0/0xb0 [ 79.690086][ T8828] ? kasan_check_read+0x11/0x20 [ 79.694936][ T8828] ? ksys_dup3+0x3e0/0x3e0 [ 79.699332][ T8828] ? kasan_check_read+0x11/0x20 [ 79.704161][ T8828] ? __fget_light+0x1a9/0x230 [ 79.708829][ T8828] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 79.715080][ T8828] do_writev+0x15b/0x330 [ 79.719320][ T8828] ? vfs_writev+0x2f0/0x2f0 [ 79.723804][ T8828] ? do_syscall_64+0x26/0x670 [ 79.728479][ T8828] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 79.734536][ T8828] ? do_syscall_64+0x26/0x670 [ 79.739196][ T8828] __x64_sys_writev+0x75/0xb0 [ 79.743851][ T8828] do_syscall_64+0x103/0x670 [ 79.748438][ T8828] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 79.754358][ T8828] RIP: 0033:0x458c61 [ 79.758234][ T8828] Code: 75 14 b8 14 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 e4 b9 fb ff c3 48 83 ec 08 e8 1a 2d 00 00 48 89 04 24 b8 14 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 63 2d 00 00 48 89 d0 48 83 c4 08 48 3d 01 [ 79.777905][ T8828] RSP: 002b:00007f2488771ba0 EFLAGS: 00000293 ORIG_RAX: 0000000000000014 [ 79.786294][ T8828] RAX: ffffffffffffffda RBX: 000000000000001e RCX: 0000000000458c61 [ 79.794245][ T8828] RDX: 0000000000000001 RSI: 00007f2488771c00 RDI: 00000000000000f0 [ 79.802195][ T8828] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 79.810156][ T8828] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f24887726d4 [ 79.818130][ T8828] R13: 00000000004c77d2 R14: 00000000004dd9d0 R15: 00000000ffffffff