syzkaller login: [ 300.030221][ T41] audit: type=1400 audit(1601050283.123:41): avc: denied { map } for pid=12003 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 '[localhost]:17268' (ECDSA) to the list of known hosts. [ 312.666581][ T41] audit: type=1400 audit(1601050295.763:42): avc: denied { map } for pid=12013 comm="syz-fuzzer" path="/syz-fuzzer" dev="sda1" ino=16526 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:file_t:s0 tclass=file permissive=1 2020/09/25 16:11:36 fuzzer started 2020/09/25 16:11:41 dialing manager at 10.0.2.10:34971 [ 318.552170][ T41] audit: type=1400 audit(1601050301.643:43): avc: denied { integrity } for pid=12030 comm="syz-executor" lockdown_reason="debugfs access" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=lockdown permissive=1 2020/09/25 16:11:41 syscalls: 3388 2020/09/25 16:11:42 code coverage: enabled 2020/09/25 16:11:42 comparison tracing: enabled 2020/09/25 16:11:42 extra coverage: enabled 2020/09/25 16:11:42 setuid sandbox: enabled 2020/09/25 16:11:42 namespace sandbox: enabled 2020/09/25 16:11:42 Android sandbox: /sys/fs/selinux/policy does not exist 2020/09/25 16:11:42 fault injection: enabled 2020/09/25 16:11:42 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/09/25 16:11:42 net packet injection: enabled 2020/09/25 16:11:42 net device setup: enabled 2020/09/25 16:11:42 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/09/25 16:11:42 devlink PCI setup: PCI device 0000:00:10.0 is not available 2020/09/25 16:11:42 USB emulation: enabled 2020/09/25 16:11:42 hci packet injection: enabled 2020/09/25 16:11:42 wifi device emulation: enabled 16:14:24 executing program 0: syz_emit_ethernet(0x2a, &(0x7f0000000100)={@broadcast, @random="279af149d286", @val, {@ipv4}}, 0x0) 16:14:25 executing program 1: syz_emit_ethernet(0x1fff, &(0x7f00000000c0)={@local, @empty, @val, {@ipv6}}, 0x0) [ 482.004324][ T41] audit: type=1400 audit(1601050465.083:44): avc: denied { map } for pid=12033 comm="syz-executor.0" path="/sys/kernel/debug/kcov" dev="debugfs" ino=25293 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1 16:14:26 executing program 2: r0 = open(&(0x7f0000000480)='./file0\x00', 0x80400000000206, 0x0) r1 = open(&(0x7f00000000c0)='./file0\x00', 0x80000000000206, 0x0) ftruncate(r1, 0x7e2780e3) mlockall(0x2) r2 = open(&(0x7f0000000100)='./file0\x00', 0x0, 0x0) mmap(&(0x7f0000e00000/0x200000)=nil, 0x200000, 0x1, 0x12, r2, 0x0) mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x3, 0x20011, r0, 0x1000) fsync(r1) 16:14:27 executing program 3: r0 = open$dir(&(0x7f00000000c0)='./file0\x00', 0x10202, 0x0) r1 = open$dir(&(0x7f0000000100)='./file0\x00', 0x40000400000002c2, 0x0) fcntl$setstatus(r1, 0x4, 0x10048) writev(r1, &(0x7f0000000340)=[{&(0x7f0000000180), 0x81700}], 0x1000000000000013) ftruncate(r0, 0x80000001) r2 = open(&(0x7f0000000000)='./file0\x00', 0x0, 0x0) preadv(r2, &(0x7f0000001740)=[{&(0x7f0000000740)=""/4096, 0x400000}], 0x1, 0x0, 0x0) [ 485.287836][T12035] IPVS: ftp: loaded support on port[0] = 21 [ 485.287633][T12037] IPVS: ftp: loaded support on port[0] = 21 [ 486.265277][T12043] IPVS: ftp: loaded support on port[0] = 21 [ 486.498336][T12035] chnl_net:caif_netlink_parms(): no params data found [ 486.564514][T12037] chnl_net:caif_netlink_parms(): no params data found [ 486.694113][T11711] Bluetooth: hci0: command 0x0409 tx timeout [ 487.008596][ T31] Bluetooth: hci1: command 0x0409 tx timeout [ 487.255741][T12037] bridge0: port 1(bridge_slave_0) entered blocking state [ 487.326890][T12037] bridge0: port 1(bridge_slave_0) entered disabled state [ 487.428523][T12037] device bridge_slave_0 entered promiscuous mode [ 487.558966][T12035] bridge0: port 1(bridge_slave_0) entered blocking state [ 487.614670][T12035] bridge0: port 1(bridge_slave_0) entered disabled state [ 487.676868][T12035] device bridge_slave_0 entered promiscuous mode [ 487.740941][T12037] bridge0: port 2(bridge_slave_1) entered blocking state [ 487.789783][T12037] bridge0: port 2(bridge_slave_1) entered disabled state [ 487.836232][T12037] device bridge_slave_1 entered promiscuous mode [ 487.888342][T12035] bridge0: port 2(bridge_slave_1) entered blocking state [ 487.922732][T12047] IPVS: ftp: loaded support on port[0] = 21 [ 487.942443][T12035] bridge0: port 2(bridge_slave_1) entered disabled state [ 488.053399][ T2559] Bluetooth: hci2: command 0x0409 tx timeout [ 488.079633][T12035] device bridge_slave_1 entered promiscuous mode [ 488.256920][T12037] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 488.425403][T12035] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 488.502423][T12037] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 488.640191][T12035] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 488.705351][T12037] team0: Port device team_slave_0 added [ 488.740690][T12043] chnl_net:caif_netlink_parms(): no params data found [ 488.768963][ T2559] Bluetooth: hci0: command 0x041b tx timeout [ 488.883251][T12037] team0: Port device team_slave_1 added [ 488.980799][T12037] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 489.020262][T12037] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 489.143331][ T2559] Bluetooth: hci1: command 0x041b tx timeout [ 489.331441][T12037] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 489.366462][T11711] Bluetooth: hci3: command 0x0409 tx timeout [ 489.773602][T12035] team0: Port device team_slave_0 added [ 490.146629][T12037] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 490.217423][T12037] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 490.513913][T12037] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 490.611588][T11711] Bluetooth: hci2: command 0x041b tx timeout [ 490.632426][T12035] team0: Port device team_slave_1 added [ 490.929643][T11711] Bluetooth: hci0: command 0x040f tx timeout [ 491.098290][T12035] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 491.127822][T12035] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 491.225363][T12035] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 491.286822][T12035] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 491.321207][T12035] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 491.468967][T11711] Bluetooth: hci1: command 0x040f tx timeout [ 491.500745][T12035] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 491.568338][T11711] Bluetooth: hci3: command 0x041b tx timeout [ 491.603295][T12043] bridge0: port 1(bridge_slave_0) entered blocking state [ 491.658814][T12043] bridge0: port 1(bridge_slave_0) entered disabled state [ 491.711753][T12043] device bridge_slave_0 entered promiscuous mode [ 491.799886][T12037] device hsr_slave_0 entered promiscuous mode [ 491.831270][T12037] device hsr_slave_1 entered promiscuous mode [ 491.894466][T12043] bridge0: port 2(bridge_slave_1) entered blocking state [ 491.942454][T12043] bridge0: port 2(bridge_slave_1) entered disabled state [ 491.985321][T12043] device bridge_slave_1 entered promiscuous mode [ 492.145505][T12043] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 492.203743][T12043] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 492.293189][T12035] device hsr_slave_0 entered promiscuous mode [ 492.327100][T12035] device hsr_slave_1 entered promiscuous mode [ 492.356701][T12035] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 492.392547][T12035] Cannot create hsr debugfs directory [ 492.509667][T12043] team0: Port device team_slave_0 added [ 492.559680][T12043] team0: Port device team_slave_1 added [ 492.698829][T11711] Bluetooth: hci2: command 0x040f tx timeout [ 492.700641][T12043] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 492.791038][T12043] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 492.921770][T12043] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 493.009788][T11711] Bluetooth: hci0: command 0x0419 tx timeout [ 493.013164][T12043] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 493.071718][T12043] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 493.188161][T12043] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 493.263029][T12047] chnl_net:caif_netlink_parms(): no params data found [ 493.542258][T12043] device hsr_slave_0 entered promiscuous mode [ 493.570900][T11711] Bluetooth: hci1: command 0x0419 tx timeout [ 493.599704][T12043] device hsr_slave_1 entered promiscuous mode [ 493.622142][T12043] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 493.648650][T12043] Cannot create hsr debugfs directory [ 493.658032][T11711] Bluetooth: hci3: command 0x040f tx timeout [ 493.826030][T12047] bridge0: port 1(bridge_slave_0) entered blocking state [ 493.837323][ T41] audit: type=1400 audit(1601050476.923:45): avc: denied { create } for pid=12037 comm="syz-executor.1" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 493.867917][T12047] bridge0: port 1(bridge_slave_0) entered disabled state [ 493.949809][ T41] audit: type=1400 audit(1601050476.923:46): avc: denied { write } for pid=12037 comm="syz-executor.1" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 493.949865][ T41] audit: type=1400 audit(1601050476.923:47): avc: denied { read } for pid=12037 comm="syz-executor.1" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 494.095598][T12047] device bridge_slave_0 entered promiscuous mode [ 494.132275][T12037] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 494.179295][T12047] bridge0: port 2(bridge_slave_1) entered blocking state [ 494.216754][T12047] bridge0: port 2(bridge_slave_1) entered disabled state [ 494.256121][T12047] device bridge_slave_1 entered promiscuous mode [ 494.334310][T12037] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 494.395213][T12037] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 494.462119][T12037] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 494.567217][T12047] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 494.641234][T12047] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 494.772782][T12047] team0: Port device team_slave_0 added [ 494.778229][T11711] Bluetooth: hci2: command 0x0419 tx timeout [ 494.826054][T12047] team0: Port device team_slave_1 added [ 494.892500][T12035] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 494.941901][T12035] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 494.999711][T12035] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 495.121949][T12035] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 495.193348][T12047] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 495.250727][T12047] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 495.444843][T12047] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 495.533749][T12047] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 495.586957][T12047] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 495.728283][T11711] Bluetooth: hci3: command 0x0419 tx timeout [ 495.756055][T12047] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 495.969060][T12047] device hsr_slave_0 entered promiscuous mode [ 496.006361][T12047] device hsr_slave_1 entered promiscuous mode [ 496.046699][T12047] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 496.091888][T12047] Cannot create hsr debugfs directory [ 496.253931][T12043] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 496.313923][T12043] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 496.372381][T12043] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 496.428832][T12043] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 496.651670][T12047] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 496.704923][T12047] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 496.765036][T12047] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 496.835067][T12047] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 496.970414][T12037] 8021q: adding VLAN 0 to HW filter on device bond0 [ 497.037244][T12035] 8021q: adding VLAN 0 to HW filter on device bond0 [ 497.096645][T12037] 8021q: adding VLAN 0 to HW filter on device team0 [ 497.139365][ T2559] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 497.192622][ T2559] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 497.300860][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 497.355399][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 497.404395][T12035] 8021q: adding VLAN 0 to HW filter on device team0 [ 497.452588][ T2559] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 497.510858][ T2559] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 497.562449][ T2559] bridge0: port 1(bridge_slave_0) entered blocking state [ 497.610823][ T2559] bridge0: port 1(bridge_slave_0) entered forwarding state [ 497.656613][ T2559] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 497.702496][ T2559] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 497.746565][ T2559] bridge0: port 1(bridge_slave_0) entered blocking state [ 497.782376][ T2559] bridge0: port 1(bridge_slave_0) entered forwarding state [ 497.816798][ T2559] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 497.861627][ T2559] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 497.943972][T12063] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 497.980226][T12063] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 498.024335][T12063] bridge0: port 2(bridge_slave_1) entered blocking state [ 498.058792][T12063] bridge0: port 2(bridge_slave_1) entered forwarding state [ 498.101015][T12063] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 498.154861][T12063] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 498.204713][T12063] bridge0: port 2(bridge_slave_1) entered blocking state [ 498.241690][T12063] bridge0: port 2(bridge_slave_1) entered forwarding state [ 498.292928][T12063] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 498.389004][ T1241] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 498.438508][ T1241] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 498.494362][ T1241] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 498.536715][ T1241] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 498.577033][ T1241] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 498.609982][ T1241] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 498.659700][T12037] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 498.715805][T12037] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 498.778854][T12059] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 498.808898][T12059] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 498.839413][T12059] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 498.866194][T12059] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 498.900323][T12059] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 498.930462][T12059] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 498.960596][T12059] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 498.984312][T12059] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 499.006846][T12059] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 499.026486][T12059] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 499.095624][ T1241] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 499.152381][ T1241] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 499.185494][T12043] 8021q: adding VLAN 0 to HW filter on device bond0 [ 499.243753][ T2559] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 499.278809][ T2559] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 499.319477][ T2559] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 499.352595][ T2559] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 499.392652][T12047] 8021q: adding VLAN 0 to HW filter on device bond0 [ 499.442530][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 499.486188][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 499.537217][T12037] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 499.580423][T12035] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 499.636214][ T1241] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 499.671182][ T1241] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 499.709860][ T1241] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 499.741778][ T1241] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 499.775162][T12043] 8021q: adding VLAN 0 to HW filter on device team0 [ 499.805069][T12047] 8021q: adding VLAN 0 to HW filter on device team0 [ 499.833147][T11711] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 499.870622][T11711] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 499.904713][T11711] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 499.938183][T11711] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 499.973511][T11711] bridge0: port 1(bridge_slave_0) entered blocking state [ 500.004022][T11711] bridge0: port 1(bridge_slave_0) entered forwarding state [ 500.041157][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 500.065719][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 500.096015][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 500.130131][ T18] bridge0: port 1(bridge_slave_0) entered blocking state [ 500.159632][ T18] bridge0: port 1(bridge_slave_0) entered forwarding state [ 500.188698][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 500.223064][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 500.255135][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 500.293614][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 500.338563][ T18] bridge0: port 2(bridge_slave_1) entered blocking state [ 500.365974][ T18] bridge0: port 2(bridge_slave_1) entered forwarding state [ 500.413609][T12035] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 500.454150][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 500.500040][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 500.537122][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 500.561454][ T18] bridge0: port 2(bridge_slave_1) entered blocking state [ 500.588857][ T18] bridge0: port 2(bridge_slave_1) entered forwarding state [ 500.631352][T12045] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 500.672282][T12045] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 500.701258][T12045] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 500.734611][T12045] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 500.807234][T12045] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 500.844928][T12045] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 500.885673][T12045] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 500.915927][T12045] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 500.942773][T12045] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 500.984800][ T2559] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 501.016413][ T2559] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 501.051839][ T2559] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 501.085425][ T2559] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 501.124096][ T2559] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 501.157256][ T2559] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 501.294269][ T2559] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 501.350097][ T2559] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 501.381679][ T2559] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 501.420269][ T2559] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 501.452927][ T2559] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 501.530395][T12037] device veth0_vlan entered promiscuous mode [ 501.570958][T12045] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 501.622025][T12045] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 501.663780][T12045] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 501.702710][T12045] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 501.752844][T12045] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 501.799676][T12045] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 501.846374][T12043] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 501.899943][T12037] device veth1_vlan entered promiscuous mode [ 501.938963][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 501.979634][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 502.026016][T12047] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 502.078260][T11711] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 502.134029][T11711] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 502.191729][T11711] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 502.241389][T11711] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 502.302377][T12035] device veth0_vlan entered promiscuous mode [ 502.601846][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 502.644073][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 502.702330][T12043] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 502.749976][T12047] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 502.797087][T12037] device veth0_macvtap entered promiscuous mode [ 502.824984][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 502.856716][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 502.890242][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 502.920988][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 502.963905][T12035] device veth1_vlan entered promiscuous mode [ 503.015153][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 503.108999][T12047] device veth0_vlan entered promiscuous mode [ 503.155510][T12037] device veth1_macvtap entered promiscuous mode [ 503.195670][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 503.222183][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 503.261888][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 503.305674][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 503.337354][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 503.386494][T12047] device veth1_vlan entered promiscuous mode [ 503.419902][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 503.449729][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 503.478114][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 503.532785][T12045] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 503.579960][T12045] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 503.625407][T12045] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 503.688513][T12045] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 503.727697][T12045] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 503.776651][T12047] device veth0_macvtap entered promiscuous mode [ 503.834059][T12059] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 503.866328][T12059] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 503.891834][T12059] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 503.935949][T12059] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 503.974987][T12059] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 504.019692][T12059] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 504.081937][T12037] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 504.123210][T12047] device veth1_macvtap entered promiscuous mode [ 504.167364][T12035] device veth0_macvtap entered promiscuous mode [ 504.217131][T12043] device veth0_vlan entered promiscuous mode [ 504.264815][ T2559] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 504.311852][ T2559] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 504.360093][ T2559] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 504.409129][T12037] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 504.461250][T12035] device veth1_macvtap entered promiscuous mode [ 504.505821][ T2559] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 504.543778][ T2559] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 504.572871][ T2559] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 504.612654][T12037] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 504.652093][T12037] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 504.702844][T12037] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 504.761552][T12037] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 504.847049][T12047] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 504.927888][T12047] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 504.980602][T12047] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 505.020940][T12043] device veth1_vlan entered promiscuous mode [ 505.066650][T12059] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 505.105537][T12059] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 505.165061][T12047] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 505.223356][T12047] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 505.270853][T12047] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 505.311954][T12035] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 505.352223][T12035] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 505.386294][T12035] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 505.428758][T12035] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 505.470301][T12035] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 505.514120][T12059] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 505.574265][T12059] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 505.626634][T12059] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 505.671628][T12059] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 505.865424][T12047] netdevsim netdevsim3 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 505.923513][T12047] netdevsim netdevsim3 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 505.978710][T12047] netdevsim netdevsim3 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 506.019712][T12047] netdevsim netdevsim3 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 506.123257][T12035] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 506.176531][T12035] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 506.248776][T12035] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 506.310212][T12035] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 506.366046][T12035] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 506.416736][T12035] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 506.459205][T12035] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 506.499059][T12035] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 506.539164][T12035] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 506.595440][ T2559] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 506.644978][ T2559] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 506.696088][ T2559] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 506.755827][ T2559] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 506.904552][T12043] device veth0_macvtap entered promiscuous mode [ 507.093867][T12043] device veth1_macvtap entered promiscuous mode [ 507.373501][ T2455] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 507.448931][ T2455] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 507.456958][T12073] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 507.466222][T12043] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 507.466242][T12043] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 507.466539][T12043] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 507.466544][T12043] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 507.466555][T12043] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 507.466559][T12043] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 507.469503][T12043] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 507.474144][T12043] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 507.474149][T12043] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 507.474155][T12043] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 507.474163][T12043] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 507.474178][T12043] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 507.474182][T12043] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 507.476153][T12043] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 507.485225][T12043] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 507.485242][T12043] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 507.485256][T12043] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 507.485271][T12043] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 507.488645][T12060] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 507.489363][T12060] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 507.489560][T12050] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 507.490828][T12060] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 507.491019][T12050] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 507.491649][T12060] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 507.492176][T12060] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 507.555685][T12050] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 507.580846][T11711] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 507.585014][T12073] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 507.639937][T12050] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 507.701178][T11711] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 509.505682][T11711] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 509.592031][T11711] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 509.706458][ T2455] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 510.014863][ T2455] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 510.094409][T11711] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 510.192945][ T41] audit: type=1400 audit(1601050493.283:48): avc: denied { associate } for pid=12047 comm="syz-executor.3" name="syz3" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 [ 510.662351][ T2455] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 510.735453][T12050] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 510.762370][ T2455] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 510.804237][T12076] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 510.918586][ T1241] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 510.977164][T12050] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 511.021917][T12076] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 511.065812][ T1241] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 511.260527][T12059] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 511.394414][T12037] cgroup: cgroup: disabling cgroup2 socket matching due to net_prio or net_cls activation [ 512.608800][ T41] audit: type=1804 audit(1601050495.673:49): pid=12087 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.3" name="/syzkaller-testdir752600372/syzkaller.ZfdaFq/0/file0" dev="sda1" ino=16562 res=1 errno=0 16:14:56 executing program 2: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='westwood\x00', 0x9) connect$inet6(r0, &(0x7f0000000180)={0xa, 0x4001, 0x0, @dev={0xfe, 0x80, [], 0x1c}, 0xd}, 0x1c) 16:14:56 executing program 1: pipe(&(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) close(r0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r1, 0x6, 0x13, &(0x7f00000000c0)=0x800000100000001, 0x4) connect$inet6(r1, &(0x7f0000000000)={0xa, 0x0, 0x0, @loopback}, 0x1c) setsockopt$inet6_tcp_TCP_ULP(r1, 0x6, 0x1f, &(0x7f0000000040)='tls\x00', 0x355) setsockopt$inet6_tcp_TLS_TX(r0, 0x11a, 0x1, &(0x7f0000000340)=@ccm_128={{0x303}, "2554a485db0c30f2", "4291a39c868e90a375e7e2507c31147d", "5140ff97", "eb9242ecb4755be6"}, 0x28) 16:14:56 executing program 0: r0 = socket(0x2, 0x6, 0x0) connect$bt_sco(r0, &(0x7f0000000080), 0x8) 16:14:56 executing program 3: syz_init_net_socket$nfc_raw(0x27, 0x5, 0x0) 16:14:56 executing program 0: mmap(&(0x7f0000000000/0xe7e000)=nil, 0xe7e000, 0x0, 0x40031, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000002000/0x1000)=nil, 0x1000, 0x100000e, 0x40000000000a132, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) getsockopt$llc_int(r0, 0x10c, 0x5, &(0x7f0000000080), &(0x7f0000002600)=0x4) 16:14:56 executing program 3: syz_init_net_socket$nfc_raw(0x27, 0x5, 0x0) 16:14:57 executing program 2: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='westwood\x00', 0x9) connect$inet6(r0, &(0x7f0000000180)={0xa, 0x4001, 0x0, @dev={0xfe, 0x80, [], 0x1c}, 0xd}, 0x1c) [ 513.833085][ T41] audit: type=1400 audit(1601050496.923:50): avc: denied { map } for pid=12106 comm="syz-executor.0" path=2F616E6F6E5F6875676570616765202864656C6574656429 dev="hugetlbfs" ino=38418 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:hugetlbfs_t:s0 tclass=file permissive=1 16:14:57 executing program 3: syz_init_net_socket$nfc_raw(0x27, 0x5, 0x0) 16:14:57 executing program 0: mmap(&(0x7f0000000000/0xe7e000)=nil, 0xe7e000, 0x0, 0x40031, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000002000/0x1000)=nil, 0x1000, 0x100000e, 0x40000000000a132, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) getsockopt$llc_int(r0, 0x10c, 0x5, &(0x7f0000000080), &(0x7f0000002600)=0x4) 16:14:57 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000340)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="3c00000010000d0700000000ff03000000000010", @ANYRES32=r2, @ANYBLOB="00000000e60000001c0012000c000100626f6e64"], 0x3c}}, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket$packet(0x11, 0x3, 0x300) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0xa, 0x0, 0x0, r5}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0xf}]}, 0x28}}, 0x0) 16:14:57 executing program 3: syz_init_net_socket$nfc_raw(0x27, 0x5, 0x0) 16:14:57 executing program 0: r0 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) setsockopt$sock_int(r0, 0x1, 0x3e, &(0x7f00000000c0)=0x7, 0x4) bind$llc(r0, &(0x7f0000000100)={0x1a, 0x0, 0x0, 0x8}, 0x10) sendmmsg(r0, &(0x7f0000001380), 0x3fffffffffffeed, 0x0) 16:14:57 executing program 1: socketpair$unix(0x1, 0x80000000001, 0x0, &(0x7f0000000500)={0xffffffffffffffff, 0xffffffffffffffff}) write$binfmt_misc(r0, &(0x7f00000000c0)=ANY=[], 0x7fffffff) recvmmsg(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0) recvfrom(r1, &(0x7f0000000040)=""/184, 0xffffffc9, 0x40012500, 0x0, 0xffffffffffffff49) [ 514.503606][T12130] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.2'. 16:14:57 executing program 3: syz_init_net_socket$nfc_raw(0x27, 0x0, 0x0) [ 514.793575][T12130] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.2'. [ 514.976493][T12136] bond0: (slave ip6gre0): slave is up - this may be due to an out of date ifenslave 16:14:58 executing program 3: syz_init_net_socket$nfc_raw(0x27, 0x0, 0x0) 16:14:58 executing program 2: openat$vmci(0xffffff9c, &(0x7f00000027c0)='/dev/vmci\x00', 0x2, 0x0) 16:14:58 executing program 3: syz_init_net_socket$nfc_raw(0x27, 0x0, 0x0) 16:14:58 executing program 2: openat$vmci(0xffffff9c, &(0x7f00000027c0)='/dev/vmci\x00', 0x2, 0x0) 16:14:58 executing program 1: socketpair$unix(0x1, 0x80000000001, 0x0, &(0x7f0000000500)={0xffffffffffffffff, 0xffffffffffffffff}) write$binfmt_misc(r0, &(0x7f00000000c0)=ANY=[], 0x7fffffff) recvmmsg(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0) recvfrom(r1, &(0x7f0000000040)=""/184, 0xffffffc9, 0x40012500, 0x0, 0xffffffffffffff49) 16:14:59 executing program 2: openat$vmci(0xffffff9c, &(0x7f00000027c0)='/dev/vmci\x00', 0x2, 0x0) 16:14:59 executing program 3: socketpair$unix(0x1, 0x80000000001, 0x0, &(0x7f0000000500)={0xffffffffffffffff, 0xffffffffffffffff}) write$binfmt_misc(r0, &(0x7f00000000c0)=ANY=[], 0x7fffffff) recvmmsg(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0) recvfrom(r1, &(0x7f0000000040)=""/184, 0xffffffc9, 0x40012500, 0x0, 0xffffffffffffff49) 16:14:59 executing program 0: r0 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) setsockopt$sock_int(r0, 0x1, 0x3e, &(0x7f00000000c0)=0x7, 0x4) bind$llc(r0, &(0x7f0000000100)={0x1a, 0x0, 0x0, 0x8}, 0x10) sendmmsg(r0, &(0x7f0000001380), 0x3fffffffffffeed, 0x0) 16:14:59 executing program 2: openat$vmci(0xffffff9c, &(0x7f00000027c0)='/dev/vmci\x00', 0x2, 0x0) 16:14:59 executing program 2: openat$vmci(0xffffff9c, 0x0, 0x2, 0x0) 16:14:59 executing program 2: openat$vmci(0xffffff9c, 0x0, 0x2, 0x0) 16:14:59 executing program 2: openat$vmci(0xffffff9c, 0x0, 0x2, 0x0) 16:14:59 executing program 1: r0 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) setsockopt$sock_int(r0, 0x1, 0x3e, &(0x7f00000000c0)=0x7, 0x4) bind$llc(r0, &(0x7f0000000100)={0x1a, 0x0, 0x0, 0x8}, 0x10) sendmmsg(r0, &(0x7f0000001380), 0x3fffffffffffeed, 0x0) [ 517.230919][ C3] ================================================================== [ 517.282318][ C3] BUG: KASAN: use-after-free in sock_def_write_space+0x609/0x630 [ 517.282318][ C3] Read of size 8 at addr ffff88801bfe9080 by task ksoftirqd/3/27 [ 517.282318][ C3] [ 517.282318][ C3] CPU: 3 PID: 27 Comm: ksoftirqd/3 Not tainted 5.9.0-rc6-syzkaller #0 [ 517.518714][ C3] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 517.571518][ C3] Call Trace: [ 517.571518][ C3] dump_stack+0x198/0x1fd [ 517.571518][ C3] ? sock_def_write_space+0x609/0x630 [ 517.782125][ C3] ? sock_def_write_space+0x609/0x630 [ 517.782125][ C3] print_address_description.constprop.0.cold+0xae/0x497 [ 517.868478][ C3] ? sock_def_write_space+0x609/0x630 [ 517.868478][ C3] ? lockdep_hardirqs_off+0x96/0xd0 [ 517.868478][ C3] ? vprintk_func+0x95/0x1d4 [ 517.868478][ C3] ? sock_def_write_space+0x609/0x630 [ 517.868478][ C3] ? sock_def_write_space+0x609/0x630 [ 517.868478][ C3] kasan_report.cold+0x1f/0x37 [ 517.868478][ C3] ? sock_def_write_space+0x609/0x630 [ 517.868478][ C3] sock_def_write_space+0x609/0x630 [ 517.868478][ C3] sock_wfree+0x1cc/0x240 [ 517.868478][ C3] ? __sk_receive_skb+0x830/0x830 [ 518.311460][ C3] skb_release_head_state+0x9f/0x250 [ 518.311460][ C3] consume_skb+0x89/0x160 [ 518.311460][ C3] __dev_kfree_skb_any+0x9c/0xc0 [ 518.438022][ C3] napi_consume_skb+0x25c/0x380 [ 518.438022][ C3] free_old_xmit_skbs+0xd5/0x230 [ 518.438022][ C3] ? virtnet_set_coalesce+0x2a0/0x2a0 [ 518.438022][ C3] ? dev_queue_xmit_nit+0x828/0xac0 [ 518.568783][ C3] start_xmit+0x123/0x15f0 [ 518.568783][ C3] dev_hard_start_xmit+0x193/0x950 [ 518.568783][ C3] sch_direct_xmit+0x2e1/0xbd0 [ 518.698313][ C3] ? dev_watchdog+0xc80/0xc80 [ 518.698313][ C3] ? pfifo_fast_dequeue+0x5aa/0xb30 [ 518.698313][ C3] ? lock_is_held_type+0xbb/0xf0 [ 518.698313][ C3] __qdisc_run+0x4b9/0x1620 [ 518.698313][ C3] net_tx_action+0x5fb/0xe70 [ 518.698313][ C3] __do_softirq+0x1f8/0xb23 [ 518.698313][ C3] ? __local_bh_disable_ip+0x190/0x190 [ 518.968427][ C3] run_ksoftirqd+0xcf/0x170 [ 518.968427][ C3] smpboot_thread_fn+0x655/0x9e0 [ 519.078505][ C3] ? __smpboot_create_thread.part.0+0x360/0x360 [ 519.117865][ C3] ? __kthread_parkme+0x13f/0x1e0 [ 519.176697][ C3] ? __smpboot_create_thread.part.0+0x360/0x360 [ 519.228114][ C3] kthread+0x3b5/0x4a0 [ 519.268250][ C3] ? __kthread_bind_mask+0xc0/0xc0 [ 519.308201][ C3] ret_from_fork+0x1f/0x30 [ 519.345623][ C3] [ 519.357910][ C3] Allocated by task 12175: [ 519.398053][ C3] kasan_save_stack+0x1b/0x40 [ 519.449066][ C3] __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 519.494664][ C3] kmem_cache_alloc+0x13a/0x3f0 [ 519.527910][ C3] sock_alloc_inode+0x18/0x1c0 [ 519.558182][ C3] alloc_inode+0x61/0x230 [ 519.588122][ C3] new_inode_pseudo+0x14/0xe0 [ 519.638139][ C3] sock_alloc+0x3c/0x260 [ 519.678195][ C3] __sock_create+0xb9/0x780 [ 519.718018][ C3] __sys_socket+0xef/0x200 [ 519.758290][ C3] __x64_sys_socket+0x6f/0xb0 [ 519.798282][ C3] do_syscall_64+0x2d/0x70 [ 519.828370][ C3] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 519.888222][ C3] [ 519.918451][ C3] Freed by task 12000: [ 519.959776][ C3] kasan_save_stack+0x1b/0x40 [ 520.008561][ C3] kasan_set_track+0x1c/0x30 [ 520.037863][ C3] kasan_set_free_info+0x1b/0x30 [ 520.078008][ C3] __kasan_slab_free+0xd8/0x120 [ 520.108306][ C3] kmem_cache_free.part.0+0x74/0x1e0 [ 520.147979][ C3] i_callback+0x3f/0x70 [ 520.178041][ C3] rcu_core+0x5ca/0x1130 [ 520.219386][ C3] __do_softirq+0x1f8/0xb23 [ 520.248146][ C3] [ 520.268142][ C3] Last call_rcu(): [ 520.288100][ C3] kasan_save_stack+0x1b/0x40 [ 520.328015][ C3] kasan_record_aux_stack+0x82/0xb0 [ 520.370529][ C3] call_rcu+0x15e/0x7c0 [ 520.388107][ C3] destroy_inode+0x129/0x1b0 [ 520.417986][ C3] iput.part.0+0x424/0x850 [ 520.478083][ C3] iput+0x58/0x70 [ 520.508226][ C3] dentry_unlink_inode+0x2b1/0x3d0 [ 520.548007][ C3] __dentry_kill+0x3c0/0x640 [ 520.577979][ C3] dput+0x725/0xbc0 [ 520.608542][ C3] __fput+0x3ab/0x920 [ 520.638241][ C3] task_work_run+0xdd/0x190 [ 520.678155][ C3] exit_to_user_mode_prepare+0x1e1/0x200 [ 520.728450][ C3] syscall_exit_to_user_mode+0x7e/0x2e0 [ 520.788946][ C3] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 520.828422][ C3] [ 520.858300][ C3] Second to last call_rcu(): [ 520.908646][ C3] kasan_save_stack+0x1b/0x40 [ 520.948277][ C3] kasan_record_aux_stack+0x82/0xb0 [ 520.998035][ C3] call_rcu+0x15e/0x7c0 [ 521.028114][ C3] destroy_inode+0x129/0x1b0 [ 521.068185][ C3] iput.part.0+0x424/0x850 [ 521.098063][ C3] iput+0x58/0x70 [ 521.118224][ C3] dentry_unlink_inode+0x2b1/0x3d0 [ 521.157945][ C3] __dentry_kill+0x3c0/0x640 [ 521.178188][ C3] dput+0x725/0xbc0 [ 521.254322][ C3] __fput+0x3ab/0x920 [ 521.291495][ C3] task_work_run+0xdd/0x190 [ 521.328161][ C3] exit_to_user_mode_prepare+0x1e1/0x200 [ 521.377975][ C3] syscall_exit_to_user_mode+0x7e/0x2e0 [ 521.438401][ C3] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 521.495905][ C3] [ 521.518471][ C3] The buggy address belongs to the object at ffff88801bfe9000 [ 521.518471][ C3] which belongs to the cache sock_inode_cache of size 1216 [ 521.608858][ C3] The buggy address is located 128 bytes inside of [ 521.608858][ C3] 1216-byte region [ffff88801bfe9000, ffff88801bfe94c0) [ 521.861676][ C3] The buggy address belongs to the page: [ 521.861676][ C3] page:00000000ce080cbb refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff88801bfe9ffd pfn:0x1bfe9 [ 521.861676][ C3] flags: 0xfffe0000000200(slab) [ 521.861676][ C3] raw: 00fffe0000000200 ffffea00005b3dc8 ffffea00005b8d08 ffff88802be66c00 [ 522.206438][ C3] raw: ffff88801bfe9ffd ffff88801bfe9000 0000000100000003 ffff88802bcb2901 [ 522.206438][ C3] page dumped because: kasan: bad access detected [ 522.206438][ C3] page->mem_cgroup:ffff88802bcb2901 [ 522.206438][ C3] [ 522.206438][ C3] Memory state around the buggy address: [ 522.206438][ C3] ffff88801bfe8f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 522.602404][ C3] ffff88801bfe9000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 522.602404][ C3] >ffff88801bfe9080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 522.771649][ C3] ^ [ 522.849975][ C3] ffff88801bfe9100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 522.908162][ C3] ffff88801bfe9180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 522.988314][ C3] ================================================================== [ 523.068621][ C3] Disabling lock debugging due to kernel taint [ 523.166283][ C3] Kernel panic - not syncing: panic_on_warn set ... [ 523.174628][ C3] CPU: 3 PID: 27 Comm: ksoftirqd/3 Tainted: G B 5.9.0-rc6-syzkaller #0 [ 523.174628][ C3] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 523.406381][ C3] Call Trace: [ 523.460285][ C3] dump_stack+0x198/0x1fd [ 523.460285][ C3] ? sock_def_write_space+0x510/0x630 [ 523.460285][ C3] panic+0x382/0x7fb [ 523.460285][ C3] ? __warn_printk+0xf3/0xf3 [ 523.460285][ C3] ? sock_def_write_space+0x609/0x630 [ 523.721530][ C3] ? trace_hardirqs_on+0x55/0x220 [ 523.730070][ C3] ? sock_def_write_space+0x609/0x630 [ 523.730070][ C3] ? sock_def_write_space+0x609/0x630 [ 523.730070][ C3] end_report+0x4d/0x53 [ 523.859880][ C3] kasan_report.cold+0xd/0x37 [ 523.900313][ C3] ? sock_def_write_space+0x609/0x630 [ 523.948624][ C3] sock_def_write_space+0x609/0x630 [ 523.987908][ C3] sock_wfree+0x1cc/0x240 [ 523.987908][ C3] ? __sk_receive_skb+0x830/0x830 [ 524.059013][ C3] skb_release_head_state+0x9f/0x250 [ 524.098851][ C3] consume_skb+0x89/0x160 [ 524.120584][ C3] __dev_kfree_skb_any+0x9c/0xc0 [ 524.159315][ C3] napi_consume_skb+0x25c/0x380 [ 524.177980][ C3] free_old_xmit_skbs+0xd5/0x230 [ 524.208393][ C3] ? virtnet_set_coalesce+0x2a0/0x2a0 [ 524.237889][ C3] ? dev_queue_xmit_nit+0x828/0xac0 [ 524.268049][ C3] start_xmit+0x123/0x15f0 [ 524.277935][ C3] dev_hard_start_xmit+0x193/0x950 [ 524.307964][ C3] sch_direct_xmit+0x2e1/0xbd0 [ 524.338398][ C3] ? dev_watchdog+0xc80/0xc80 [ 524.363936][ C3] ? pfifo_fast_dequeue+0x5aa/0xb30 [ 524.387981][ C3] ? lock_is_held_type+0xbb/0xf0 [ 524.408000][ C3] __qdisc_run+0x4b9/0x1620 [ 524.448045][ C3] net_tx_action+0x5fb/0xe70 [ 524.467882][ C3] __do_softirq+0x1f8/0xb23 [ 524.497778][ C3] ? __local_bh_disable_ip+0x190/0x190 [ 524.507866][ C3] run_ksoftirqd+0xcf/0x170 [ 524.539487][ C3] smpboot_thread_fn+0x655/0x9e0 [ 524.578160][ C3] ? __smpboot_create_thread.part.0+0x360/0x360 [ 524.617927][ C3] ? __kthread_parkme+0x13f/0x1e0 [ 524.649371][ C3] ? __smpboot_create_thread.part.0+0x360/0x360 [ 524.678186][ C3] kthread+0x3b5/0x4a0 [ 524.707951][ C3] ? __kthread_bind_mask+0xc0/0xc0 [ 524.718018][ C3] ret_from_fork+0x1f/0x30 [ 524.747765][ C3] Kernel Offset: disabled [ 524.747765][ C3] Rebooting in 86400 seconds..