syzkaller login: [ 65.536056][ T38] audit: type=1400 audit(1575030126.147:41): avc: denied { map } for pid=7894 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]:4429' (ECDSA) to the list of known hosts. [ 67.668928][ T38] audit: type=1400 audit(1575030128.277:42): avc: denied { map } for pid=7904 comm="syz-fuzzer" path="/syz-fuzzer" dev="sda1" ino=16525 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:file_t:s0 tclass=file permissive=1 2019/11/29 12:22:08 fuzzer started 2019/11/29 12:22:08 dialing manager at 10.0.2.10:36077 2019/11/29 12:22:08 syscalls: 2528 2019/11/29 12:22:08 code coverage: enabled 2019/11/29 12:22:08 comparison tracing: enabled 2019/11/29 12:22:08 extra coverage: extra coverage is not supported by the kernel 2019/11/29 12:22:08 setuid sandbox: enabled 2019/11/29 12:22:08 namespace sandbox: enabled 2019/11/29 12:22:08 Android sandbox: /sys/fs/selinux/policy does not exist 2019/11/29 12:22:08 fault injection: enabled 2019/11/29 12:22:08 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/11/29 12:22:08 net packet injection: enabled 2019/11/29 12:22:08 net device setup: enabled 2019/11/29 12:22:08 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/11/29 12:22:08 devlink PCI setup: PCI device 0000:00:10.0 is not available 12:22:14 executing program 0: dup2(0xffffffffffffff9c, 0xffffffffffffffff) r0 = socket(0x0, 0x0, 0x0) setsockopt$inet6_tcp_TCP_ULP(0xffffffffffffffff, 0x6, 0x1f, 0x0, 0xfffffffffffffe78) r1 = gettid() ioctl$sock_inet_SIOCGIFADDR(0xffffffffffffffff, 0x8915, 0x0) ioctl$sock_SIOCSIFVLAN_GET_VLAN_REALDEV_NAME_CMD(0xffffffffffffffff, 0x8983, 0x0) timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000)) ioctl$EXT4_IOC_PRECACHE_EXTENTS(0xffffffffffffffff, 0x6612) timer_settime(0x0, 0x0, &(0x7f0000000080)={{0x0, 0x1c9c380}, {0x0, 0x9}}, 0x0) setsockopt$inet_tcp_TCP_REPAIR_OPTIONS(r0, 0x6, 0x16, 0x0, 0x0) tkill(r1, 0x1000000000016) [ 73.398464][ T38] audit: type=1400 audit(1575030134.007:43): avc: denied { map } for pid=7926 comm="syz-executor.0" path="/sys/kernel/debug/kcov" dev="debugfs" ino=78 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1 [ 73.518492][ T7927] IPVS: ftp: loaded support on port[0] = 21 12:22:14 executing program 1: [ 73.615160][ T7927] chnl_net:caif_netlink_parms(): no params data found [ 73.653093][ T7927] bridge0: port 1(bridge_slave_0) entered blocking state 12:22:14 executing program 2: [ 73.661023][ T7927] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.669987][ T7927] device bridge_slave_0 entered promiscuous mode [ 73.675435][ T7930] IPVS: ftp: loaded support on port[0] = 21 [ 73.684907][ T7927] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.692753][ T7927] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.700679][ T7927] device bridge_slave_1 entered promiscuous mode [ 73.720828][ T7927] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 73.731831][ T7927] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 73.751092][ T7927] team0: Port device team_slave_0 added [ 73.775061][ T7927] team0: Port device team_slave_1 added 12:22:14 executing program 3: [ 73.905757][ T7927] device hsr_slave_0 entered promiscuous mode [ 73.953809][ T7927] device hsr_slave_1 entered promiscuous mode [ 74.031481][ T7935] IPVS: ftp: loaded support on port[0] = 21 [ 74.033061][ T7933] IPVS: ftp: loaded support on port[0] = 21 [ 74.100135][ T38] audit: type=1400 audit(1575030134.707:44): avc: denied { create } for pid=7927 comm="syz-executor.0" 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 [ 74.126147][ T38] audit: type=1400 audit(1575030134.707:45): avc: denied { write } for pid=7927 comm="syz-executor.0" 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 [ 74.126196][ T38] audit: type=1400 audit(1575030134.707:46): avc: denied { read } for pid=7927 comm="syz-executor.0" 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 [ 74.180733][ T7930] chnl_net:caif_netlink_parms(): no params data found [ 74.191318][ T7927] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 74.276788][ T7927] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 74.357772][ T7927] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 74.416398][ T7927] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 74.536492][ T7930] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.544723][ T7930] bridge0: port 1(bridge_slave_0) entered disabled state [ 74.552420][ T7930] device bridge_slave_0 entered promiscuous mode [ 74.562303][ T7930] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.569587][ T7930] bridge0: port 2(bridge_slave_1) entered disabled state [ 74.577303][ T7930] device bridge_slave_1 entered promiscuous mode [ 74.598573][ T7930] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 74.610001][ T7930] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 74.622098][ T7927] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.629262][ T7927] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.636909][ T7927] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.643809][ T7927] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.675917][ T7930] team0: Port device team_slave_0 added [ 74.682350][ T1193] bridge0: port 1(bridge_slave_0) entered disabled state [ 74.690379][ T1193] bridge0: port 2(bridge_slave_1) entered disabled state [ 74.712012][ T7930] team0: Port device team_slave_1 added [ 74.731557][ T7933] chnl_net:caif_netlink_parms(): no params data found [ 74.795388][ T7930] device hsr_slave_0 entered promiscuous mode [ 74.863712][ T7930] device hsr_slave_1 entered promiscuous mode [ 74.933902][ T7930] debugfs: Directory 'hsr0' with parent '/' already present! [ 74.950795][ T7935] chnl_net:caif_netlink_parms(): no params data found [ 74.986554][ T7933] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.994097][ T7933] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.002937][ T7933] device bridge_slave_0 entered promiscuous mode [ 75.012811][ T7933] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.020785][ T7933] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.029149][ T7933] device bridge_slave_1 entered promiscuous mode [ 75.063524][ T7930] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 75.125626][ T7935] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.134463][ T7935] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.144471][ T7935] device bridge_slave_0 entered promiscuous mode [ 75.155214][ T7933] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 75.166718][ T7933] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 75.176129][ T7930] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 75.225242][ T7930] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 75.297298][ T7935] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.307256][ T7935] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.317619][ T7935] device bridge_slave_1 entered promiscuous mode [ 75.339829][ T7930] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 75.417780][ T7933] team0: Port device team_slave_0 added [ 75.433197][ T7935] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 75.447881][ T7933] team0: Port device team_slave_1 added [ 75.458387][ T7935] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 75.482560][ T7927] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.510347][ T7935] team0: Port device team_slave_0 added [ 75.565377][ T7933] device hsr_slave_0 entered promiscuous mode [ 75.634029][ T7933] device hsr_slave_1 entered promiscuous mode [ 75.703685][ T7933] debugfs: Directory 'hsr0' with parent '/' already present! [ 75.715501][ T7935] team0: Port device team_slave_1 added [ 75.730415][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 75.740534][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.755430][ T7927] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.846174][ T7935] device hsr_slave_0 entered promiscuous mode [ 75.893637][ T7935] device hsr_slave_1 entered promiscuous mode [ 75.963503][ T7935] debugfs: Directory 'hsr0' with parent '/' already present! [ 75.981431][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 75.992348][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 76.005157][ T28] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.014290][ T28] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.033762][ T7933] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 76.088362][ T7933] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 76.164950][ T3101] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 76.173594][ T3101] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 76.182095][ T3101] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.189294][ T3101] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.197949][ T7933] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 76.265348][ T7933] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 76.346495][ T3101] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 76.357850][ T7935] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 76.408190][ T7935] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 76.476258][ T7935] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 76.535162][ T7935] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 76.626274][ T1193] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 76.643633][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 76.654028][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 76.663918][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 76.674772][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 76.692334][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 76.701509][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 76.711435][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 76.735050][ T7927] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 76.747052][ T1193] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 76.755951][ T1193] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 76.771126][ T7930] 8021q: adding VLAN 0 to HW filter on device bond0 [ 76.794342][ T7933] 8021q: adding VLAN 0 to HW filter on device bond0 [ 76.808536][ T3059] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 76.816834][ T3059] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 76.828914][ T7930] 8021q: adding VLAN 0 to HW filter on device team0 [ 76.848914][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 76.856710][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 76.865083][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 76.872933][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 76.883227][ T7927] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 76.898438][ T7933] 8021q: adding VLAN 0 to HW filter on device team0 [ 76.905730][ T1193] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 76.914506][ T1193] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 76.922614][ T1193] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.929904][ T1193] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.937950][ T1193] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 76.945886][ T38] audit: type=1400 audit(1575030137.547:47): avc: denied { associate } for pid=7927 comm="syz-executor.0" name="syz0" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 [ 76.982033][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 76.990579][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 76.999276][ T35] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.006483][ T35] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.013943][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 77.022108][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 77.030248][ T35] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.037362][ T35] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.045771][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 77.054274][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 77.062548][ T35] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.069724][ T35] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.077307][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 77.086081][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 77.095001][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 77.114616][ T1193] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 77.123172][ T1193] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 77.146177][ T3049] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 77.156437][ T3049] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 77.165870][ T3049] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 77.175834][ T3049] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 77.185917][ T3049] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 77.195760][ T3049] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 77.204968][ T3049] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 77.213575][ T3049] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 77.222760][ T3049] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready 12:22:17 executing program 0: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$SO_TIMESTAMP(r0, 0x1, 0x1d, &(0x7f00000000c0)=0x40, 0x4) [ 77.231282][ T3049] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 77.240134][ T3049] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready 12:22:17 executing program 0: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$SO_TIMESTAMP(r0, 0x1, 0x1d, &(0x7f00000000c0)=0x40, 0x4) [ 77.249220][ T3049] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 77.257559][ T3049] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 77.266530][ T3049] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready 12:22:17 executing program 0: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$SO_TIMESTAMP(r0, 0x1, 0x1d, &(0x7f00000000c0)=0x40, 0x4) [ 77.277772][ T3049] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 77.285898][ T3049] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready 12:22:17 executing program 0: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$SO_TIMESTAMP(r0, 0x1, 0x1d, &(0x7f00000000c0)=0x40, 0x4) [ 77.298547][ T7935] 8021q: adding VLAN 0 to HW filter on device bond0 [ 77.306169][ T3101] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 77.315352][ T3101] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready 12:22:17 executing program 0: setsockopt$SO_TIMESTAMP(0xffffffffffffffff, 0x1, 0x1d, &(0x7f00000000c0)=0x40, 0x4) [ 77.325572][ T7930] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 77.338921][ T7933] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 77.358400][ T7935] 8021q: adding VLAN 0 to HW filter on device team0 [ 77.372880][ T7930] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 77.380943][ T3101] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 77.389542][ T3101] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 77.397804][ T3101] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 77.405566][ T3101] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 77.424050][ T7937] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 77.432720][ T7937] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 77.441697][ T7937] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.448977][ T7937] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.457162][ T7937] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 77.465828][ T7937] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 77.474294][ T7937] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.481351][ T7937] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.488752][ T7937] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 77.496998][ T7937] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 77.504055][ T7937] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 77.511817][ T7937] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 77.525375][ T7933] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 77.534153][ T3059] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 77.547340][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready 12:22:18 executing program 1: perf_event_open(&(0x7f0000000440)={0x2, 0x70, 0x9d, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) io_setup(0x3, &(0x7f0000000200)=0x0) io_cancel(r0, &(0x7f00000010c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0}, 0x0) [ 77.556642][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 77.572350][ T38] audit: type=1400 audit(1575030138.177:48): avc: denied { open } for pid=7967 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=perf_event permissive=1 12:22:18 executing program 2: fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) mkdir(&(0x7f0000000140)='./file0\x00', 0x0) mount(0x0, &(0x7f0000000180)='./file0\x00', &(0x7f0000000100)='ramfs\x00', 0x0, 0x0) chdir(&(0x7f0000000280)='./file0\x00') perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x1, 0x0, 0x0, 0x3}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000140)='./bus\x00', 0x0) r1 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000100)='/\x00\x00\xb6\x97<[0@\xac\xa4R\xce{f\xe9\xbb\x8fyI\x90q\xe5?\xa8\xbc\xc1\n\x15\xc7cC\xce-\xb7\xbb>:\xf7\x92\x83x\xb5o/\xa9Q\xbdi\x15c\xebxd\x19\xb4\xe2^\xb5\xe4b\xcc\xa9\xee\xeb4\xe7D\x04\x00\x00\x00\x00\x00\x00\x18E\xe2\xa1\xbaP]\xf6\xae\x98a\x06\xd1o!\xd8\xe7h\xd8Q\x011\x90\xeeq\x87U\x9a\x8d\xd3\xeaQ\xc1y+2!\x89\xc8\xfc\rWP\xd1\x9d\x8b\xbf\xb1\xe6I\xb9\x19\xfb\x02\x8b\xe4\xe8\xf7&GV\xfdd\x11\x9cO\xe2\xafykv\x06L:X\xfd\xefO\xf4\x85\x99\xb7gT\x9a\xbf\x05$!k\xd4\xb2\x1f^\xa5eB\xbd\x98\x99\x9a\xde\xd1#O\xa6\xbb\xd0R\xf7E\xf1p\x14\xb1\xb7!{\x1de\xd8eP[\xc5u\v,1?\xe3\x99\xe6g\xc9\x1d\a\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00:\xb8\xc8\x1bd@\x85>\x86\xcd\xc4.\x90g\x14sQ\xf6\x9dD\x84P\xb9b\xe3\x12q4\x0en~9\xe9vi\xe7', 0x0, 0x0) ioctl$EXT4_IOC_SETFLAGS(0xffffffffffffffff, 0x40086602, 0x0) inotify_init1(0x0) readlink(0x0, 0x0, 0x0) pipe(0x0) setsockopt$netlink_NETLINK_DROP_MEMBERSHIP(0xffffffffffffffff, 0x10e, 0x2, 0x0, 0x0) ftruncate(r0, 0x208200) listen(r1, 0x2) pipe(0x0) socket(0x10, 0x2, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, 0x0) r3 = getpid() sched_setattr(r3, &(0x7f0000000040)={0x30, 0x2, 0x0, 0x0, 0x5}, 0x0) setsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffffff, 0x0, 0x10, &(0x7f00000004c0)={{{@in, @in6=@mcast1, 0x0, 0x0, 0x4e22, 0x0, 0x5, 0x100, 0x0, 0x0, 0x0, r2}, {0x1, 0x7, 0x0, 0xcd3c, 0x0, 0x0, 0x9, 0x30}, {0x4, 0x9, 0x7}, 0x2, 0x6e6bb2, 0x6, 0x0, 0x3}, {{@in=@multicast2, 0x4d6, 0x32}, 0x0, @in=@broadcast, 0x0, 0x0, 0x1, 0xe8, 0x8, 0x0, 0xaa}}, 0xe8) r4 = open(&(0x7f0000000400)='./bus\x00', 0x14103e, 0x0) mmap(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x7ffffe, 0x11, r4, 0x0) read(r4, &(0x7f0000000180)=""/19, 0xfffffe47) socket$bt_hidp(0x1f, 0x3, 0x6) socket$inet_udplite(0x2, 0x2, 0x88) [ 77.576478][ T7935] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 77.609867][ T38] audit: type=1400 audit(1575030138.177:49): avc: denied { kernel } for pid=7967 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=perf_event permissive=1 [ 77.610242][ T7935] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 77.622115][ T7935] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 77.654829][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 77.662244][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 77.671683][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 77.680323][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 77.689115][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 77.695916][ T38] audit: type=1400 audit(1575030138.307:50): avc: denied { map } for pid=7970 comm="syz-executor.2" path="/syzkaller-testdir050462540/syzkaller.XYEI6g/1/file0/bus" dev="ramfs" ino=32333 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:ramfs_t:s0 tclass=file permissive=1 [ 77.698586][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 77.736072][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 77.744521][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 77.752707][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 77.760809][ T28] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 77.953422][ C2] hrtimer: interrupt took 20281 ns [ 182.753360][ C2] rcu: INFO: rcu_preempt self-detected stall on CPU [ 182.754306][ C2] rcu: 2-....: (1 GPs behind) idle=9de/1/0x4000000000000004 softirq=7367/7372 fqs=5196 [ 182.754306][ C2] (t=10500 jiffies g=4877 q=855) [ 182.776812][ C2] NMI backtrace for cpu 2 [ 182.780459][ C2] CPU: 2 PID: 7971 Comm: syz-executor.2 Not tainted 5.4.0-syzkaller #0 [ 182.780459][ C2] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 182.780459][ C2] Call Trace: [ 182.780459][ C2] [ 182.780459][ C2] dump_stack+0x197/0x210 [ 182.780459][ C2] nmi_cpu_backtrace.cold+0x70/0xb2 [ 182.780459][ C2] ? lapic_can_unplug_cpu.cold+0x3a/0x3a [ 182.780459][ C2] nmi_trigger_cpumask_backtrace+0x23b/0x28b [ 182.780459][ C2] arch_trigger_cpumask_backtrace+0x14/0x20 [ 182.780459][ C2] rcu_dump_cpu_stacks+0x183/0x1cf [ 182.780459][ C2] ? find_next_bit+0x107/0x130 [ 182.780459][ C2] rcu_sched_clock_irq.cold+0x509/0xc02 [ 182.780459][ C2] ? raise_softirq+0x138/0x340 [ 182.780459][ C2] update_process_times+0x2d/0x70 [ 182.780459][ C2] tick_sched_handle+0xa2/0x190 [ 182.780459][ C2] tick_sched_timer+0x53/0x140 [ 182.780459][ C2] __hrtimer_run_queues+0x364/0xe40 [ 182.780459][ C2] ? tick_sched_do_timer+0x1b0/0x1b0 [ 182.780459][ C2] ? hrtimer_init+0x330/0x330 [ 182.780459][ C2] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 182.780459][ C2] ? ktime_get_update_offsets_now+0x2ce/0x430 [ 182.780459][ C2] hrtimer_interrupt+0x314/0x770 [ 182.780459][ C2] smp_apic_timer_interrupt+0x160/0x610 [ 182.780459][ C2] apic_timer_interrupt+0xf/0x20 [ 182.780459][ C2] RIP: 0010:_raw_spin_unlock_irq+0x4f/0x80 [ 182.780459][ C2] Code: c0 68 34 13 89 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 33 48 83 3d 12 6a 96 01 00 74 20 fb 66 0f 1f 44 00 00 01 00 00 00 e8 e7 ab d3 f9 65 8b 05 18 54 85 78 85 c0 74 06 41 [ 182.780459][ C2] RSP: 0018:ffff88802d409dd0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 182.780459][ C2] RAX: 1ffffffff122668d RBX: ffffffff81661ce0 RCX: 0000000000000002 [ 182.780459][ C2] RDX: dffffc0000000000 RSI: 0000000000000008 RDI: ffff88806fa248d4 [ 182.780459][ C2] RBP: ffff88802d409dd8 R08: 1ffffffff15377ba R09: fffffbfff15377bb [ 182.780459][ C2] R10: fffffbfff15377ba R11: ffffffff8a9bbdd7 R12: ffff88802d427240 [ 182.780459][ C2] R13: ffffffff8ad2ba68 R14: ffff88802d427240 R15: dffffc0000000000 [ 182.780459][ C2] ? apic_timer_interrupt+0xa/0x20 [ 182.780459][ C2] ? __clocksource_unstable+0x190/0x190 [ 182.780459][ C2] run_timer_softirq+0x6b1/0x1790 [ 182.780459][ C2] ? add_timer+0x930/0x930 [ 182.780459][ C2] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 182.780459][ C2] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 182.780459][ C2] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 182.780459][ C2] __do_softirq+0x262/0x98c [ 182.780459][ C2] ? sched_clock_cpu+0x14e/0x1b0 [ 182.780459][ C2] irq_exit+0x19b/0x1e0 [ 182.780459][ C2] smp_apic_timer_interrupt+0x1a3/0x610 [ 182.780459][ C2] apic_timer_interrupt+0xf/0x20 [ 182.780459][ C2] [ 182.780459][ C2] RIP: 0010:generic_exec_single+0x33a/0x4c0 [ 182.780459][ C2] Code: 00 fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 68 01 00 00 48 83 3d 2e 81 a9 07 00 0f 84 e0 00 00 00 e8 eb 2a 0b 00 48 89 df 57 9d <0f> 1f 44 00 00 45 31 ed e9 39 fe ff ff e8 d4 2a 0b 00 0f 0b e9 23 [ 182.780459][ C2] RSP: 0018:ffff88806fa2fa80 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 182.780459][ C2] RAX: 0000000000040000 RBX: 0000000000000246 RCX: ffffc9000ae32000 [ 182.780459][ C2] RDX: 0000000000040000 RSI: ffffffff8169b335 RDI: 0000000000000246 [ 182.780459][ C2] RBP: ffff88806fa2fab0 R08: 1ffffffff15377ba R09: fffffbfff15377bb [ 182.780459][ C2] R10: fffffbfff15377ba R11: ffffffff8a9bbdd7 R12: 0000000000000200 [ 182.780459][ C2] R13: ffff88806fa2fb00 R14: ffff88806fa2fbd0 R15: ffffffff818bd170 [ 182.780459][ C2] ? perf_duration_warn+0x40/0x40 [ 182.780459][ C2] ? generic_exec_single+0x335/0x4c0 [ 182.780459][ C2] ? __perf_event_enable+0x930/0x930 [ 182.780459][ C2] smp_call_function_single+0x17c/0x480 [ 182.780459][ C2] ? perf_duration_warn+0x40/0x40 [ 182.780459][ C2] ? generic_exec_single+0x4c0/0x4c0 [ 182.780459][ C2] ? __do_sys_perf_event_open+0x174c/0x2c70 [ 182.780459][ C2] ? __perf_event_enable+0x930/0x930 [ 182.780459][ C2] task_function_call+0xe9/0x180 [ 182.780459][ C2] ? perf_event_addr_filters_exec+0x310/0x310 [ 182.780459][ C2] ? __do_sys_perf_event_open+0x174c/0x2c70 [ 182.780459][ C2] ? __perf_event_enable+0x930/0x930 [ 182.780459][ C2] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 182.780459][ C2] ? exclusive_event_installable+0x257/0x320 [ 182.780459][ C2] perf_install_in_context+0x308/0x5a0 [ 182.780459][ C2] ? list_add_event+0xed0/0xed0 [ 182.780459][ C2] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 182.780459][ C2] ? __perf_event_header_size.isra.0+0x166/0x1c0 [ 182.780459][ C2] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 182.780459][ C2] __do_sys_perf_event_open+0x1cbc/0x2c70 [ 182.780459][ C2] ? perf_event_set_output+0x4e0/0x4e0 [ 182.780459][ C2] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 182.780459][ C2] ? put_timespec64+0xda/0x140 [ 182.780459][ C2] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 182.780459][ C2] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 182.780459][ C2] ? do_syscall_64+0x26/0x790 [ 182.780459][ C2] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 182.780459][ C2] ? do_syscall_64+0x26/0x790 [ 182.780459][ C2] __x64_sys_perf_event_open+0xbe/0x150 [ 182.780459][ C2] do_syscall_64+0xfa/0x790 [ 182.780459][ C2] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 182.780459][ C2] RIP: 0033:0x45a759 [ 182.780459][ C2] Code: bd b1 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 8b b1 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 182.780459][ C2] RSP: 002b:00007f7c1472dc88 EFLAGS: 00000246 ORIG_RAX: 000000000000012a [ 182.780459][ C2] RAX: ffffffffffffffda RBX: 000000000071bf00 RCX: 000000000045a759 [ 182.780459][ C2] RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000020000040 [ 182.780459][ C2] RBP: 0000000000000005 R08: 0000000000000000 R09: 0000000000000000 [ 182.780459][ C2] R10: ffffffffffffffff R11: 0000000000000246 R12: 00007f7c1472e6d4 [ 182.780459][ C2] R13: 00000000004aec17 R14: 00000000006f1cb0 R15: 00000000ffffffff