syzkaller login: [ 116.195160][ T46] audit: type=1400 audit(1611872819.549:41): avc: denied { map } for pid=10906 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]:3995' (ECDSA) to the list of known hosts. [ 122.389592][ T46] audit: type=1400 audit(1611872825.749:42): avc: denied { map } for pid=10920 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 2021/01/28 22:27:05 fuzzer started 2021/01/28 22:27:07 dialing manager at 10.0.2.10:43529 2021/01/28 22:27:07 syscalls: 3496 2021/01/28 22:27:07 code coverage: enabled 2021/01/28 22:27:07 comparison tracing: enabled 2021/01/28 22:27:07 extra coverage: enabled 2021/01/28 22:27:07 setuid sandbox: enabled 2021/01/28 22:27:07 namespace sandbox: enabled 2021/01/28 22:27:07 Android sandbox: /sys/fs/selinux/policy does not exist 2021/01/28 22:27:07 fault injection: enabled 2021/01/28 22:27:07 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2021/01/28 22:27:07 net packet injection: enabled 2021/01/28 22:27:07 net device setup: enabled 2021/01/28 22:27:07 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 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executing program 0: bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000100)={0x18, 0x1, &(0x7f0000000000)=@raw=[@jmp], &(0x7f0000000040)='GPL\x00', 0x2, 0x1000, &(0x7f0000000640)=""/4096, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x74) [ 236.206722][ T46] audit: type=1400 audit(1611872939.569:44): avc: denied { map } for pid=10940 comm="syz-executor.0" path="/sys/kernel/debug/kcov" dev="debugfs" ino=3087 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1 22:28:59 executing program 1: bpf$MAP_CREATE(0x0, &(0x7f0000000200)={0x14, 0x0, 0x8}, 0x40) 22:29:00 executing program 2: syz_mount_image$fuse(0x0, &(0x7f0000000080)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) syz_mount_image$tmpfs(0x0, &(0x7f0000001c00)='./file1\x00', 0x0, 0x0, 0x0, 0x0, 0x0) 22:29:00 executing program 3: r0 = openat$autofs(0xffffff9c, &(0x7f0000000000)='/dev/autofs\x00', 0x0, 0x0) io_uring_register$IORING_REGISTER_EVENTFD_ASYNC(r0, 0x7, 0x0, 0x1) [ 237.500288][T10941] IPVS: ftp: loaded support on port[0] = 21 [ 237.642197][T10941] chnl_net:caif_netlink_parms(): no params data found [ 237.750914][T10941] bridge0: port 1(bridge_slave_0) entered blocking state [ 237.765965][T10941] bridge0: port 1(bridge_slave_0) entered disabled state [ 237.776581][T10941] device bridge_slave_0 entered promiscuous mode [ 237.792107][T10941] bridge0: port 2(bridge_slave_1) entered blocking state [ 237.801335][T10941] bridge0: port 2(bridge_slave_1) entered disabled state [ 237.814152][T10941] device bridge_slave_1 entered promiscuous mode [ 237.853492][T10941] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 237.870750][T10941] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 237.906176][T10941] team0: Port device team_slave_0 added [ 237.909536][T10943] IPVS: ftp: loaded support on port[0] = 21 [ 237.916151][T10941] team0: Port device team_slave_1 added [ 237.946905][T10941] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 237.957066][T10941] 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. [ 237.988523][T10941] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 238.011019][T10941] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 238.021009][T10941] 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. [ 238.055928][T10941] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 238.162751][T10941] device hsr_slave_0 entered promiscuous mode [ 238.174647][T10941] device hsr_slave_1 entered promiscuous mode [ 238.245794][T10945] IPVS: ftp: loaded support on port[0] = 21 [ 238.392474][T10943] chnl_net:caif_netlink_parms(): no params data found [ 238.623376][T10948] IPVS: ftp: loaded support on port[0] = 21 [ 238.650555][T10943] bridge0: port 1(bridge_slave_0) entered blocking state [ 238.660236][T10943] bridge0: port 1(bridge_slave_0) entered disabled state [ 238.670638][T10943] device bridge_slave_0 entered promiscuous mode [ 238.751165][T10943] bridge0: port 2(bridge_slave_1) entered blocking state [ 238.761525][T10943] bridge0: port 2(bridge_slave_1) entered disabled state [ 238.772750][T10943] device bridge_slave_1 entered promiscuous mode [ 238.853658][T10943] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 238.867049][T10945] chnl_net:caif_netlink_parms(): no params data found [ 238.898420][T10943] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 238.953749][ T46] audit: type=1400 audit(1611872942.309:45): avc: denied { create } for pid=10941 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 [ 238.990151][ T46] audit: type=1400 audit(1611872942.309:46): avc: denied { write } for pid=10941 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 [ 239.010574][T10943] team0: Port device team_slave_0 added [ 239.027771][ T46] audit: type=1400 audit(1611872942.319:47): avc: denied { read } for pid=10941 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 [ 239.069860][T10943] team0: Port device team_slave_1 added [ 239.083448][T10941] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 239.138591][T10941] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 239.190456][T10941] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 239.202282][T10945] bridge0: port 1(bridge_slave_0) entered blocking state [ 239.213236][T10945] bridge0: port 1(bridge_slave_0) entered disabled state [ 239.226186][T10945] device bridge_slave_0 entered promiscuous mode [ 239.268778][T10943] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 239.281474][T10943] 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. [ 239.321175][T10943] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 239.341965][T10943] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 239.352536][T10943] 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. [ 239.390296][T10943] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 239.412602][T10941] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 239.430875][T10945] bridge0: port 2(bridge_slave_1) entered blocking state [ 239.439713][T10945] bridge0: port 2(bridge_slave_1) entered disabled state [ 239.452695][T10945] device bridge_slave_1 entered promiscuous mode [ 239.486834][ T3072] Bluetooth: hci0: command 0x0409 tx timeout [ 239.503278][T10943] device hsr_slave_0 entered promiscuous mode [ 239.513375][T10943] device hsr_slave_1 entered promiscuous mode [ 239.522488][T10943] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 239.534571][T10943] Cannot create hsr debugfs directory [ 239.611536][T10945] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 239.670221][T10945] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 239.749014][T10948] chnl_net:caif_netlink_parms(): no params data found [ 239.775592][T10945] team0: Port device team_slave_0 added [ 239.791586][T10945] team0: Port device team_slave_1 added [ 239.885093][T10957] Bluetooth: hci1: command 0x0409 tx timeout [ 239.892123][T10945] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 239.906003][T10945] 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. [ 239.943099][T10945] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 239.995120][T10945] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 240.003926][T10945] 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. [ 240.054922][T10945] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 240.162775][T10945] device hsr_slave_0 entered promiscuous mode [ 240.173231][T10945] device hsr_slave_1 entered promiscuous mode [ 240.182203][T10945] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 240.196941][T10945] Cannot create hsr debugfs directory [ 240.205742][ T3072] Bluetooth: hci2: command 0x0409 tx timeout [ 240.271138][T10948] bridge0: port 1(bridge_slave_0) entered blocking state [ 240.283280][T10948] bridge0: port 1(bridge_slave_0) entered disabled state [ 240.296841][T10948] device bridge_slave_0 entered promiscuous mode [ 240.331884][T10948] bridge0: port 2(bridge_slave_1) entered blocking state [ 240.342350][T10948] bridge0: port 2(bridge_slave_1) entered disabled state [ 240.353998][T10948] device bridge_slave_1 entered promiscuous mode [ 240.418696][T10948] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 240.442355][T10948] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 240.541556][T10948] team0: Port device team_slave_0 added [ 240.560688][T10948] team0: Port device team_slave_1 added [ 240.605033][ T3366] Bluetooth: hci3: command 0x0409 tx timeout [ 240.617456][T10948] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 240.627980][T10948] 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. [ 240.661970][T10948] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 240.683226][T10943] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 240.699942][T10943] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 240.720510][T10948] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 240.729074][T10948] 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. [ 240.758944][T10948] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 240.792171][T10943] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 240.809043][T10948] device hsr_slave_0 entered promiscuous mode [ 240.821486][T10948] device hsr_slave_1 entered promiscuous mode [ 240.830077][T10948] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 240.839471][T10948] Cannot create hsr debugfs directory [ 240.848276][T10943] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 240.951431][T10941] 8021q: adding VLAN 0 to HW filter on device bond0 [ 241.020754][T10945] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 241.042339][T10945] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 241.068642][T10957] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 241.080454][T10957] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 241.091707][T10945] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 241.107789][T10941] 8021q: adding VLAN 0 to HW filter on device team0 [ 241.121677][T10945] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 241.168059][ T3366] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 241.178443][ T3366] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 241.192997][ T3366] bridge0: port 1(bridge_slave_0) entered blocking state [ 241.203243][ T3366] bridge0: port 1(bridge_slave_0) entered forwarding state [ 241.212857][ T3366] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 241.226107][ T3366] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 241.236908][ T3366] bridge0: port 2(bridge_slave_1) entered blocking state [ 241.245526][ T3366] bridge0: port 2(bridge_slave_1) entered forwarding state [ 241.267237][ T68] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 241.286165][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 241.304629][T10948] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 241.320832][T10948] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 241.331411][T10948] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 241.348284][T10948] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 241.386980][ T3072] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 241.436404][T10970] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 241.461371][T10970] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 241.474399][T10970] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 241.510087][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 241.521377][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 241.549189][T10943] 8021q: adding VLAN 0 to HW filter on device bond0 [ 241.560570][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 241.565556][T10970] Bluetooth: hci0: command 0x041b tx timeout [ 241.574639][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 241.607813][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 241.621668][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 241.638885][T10941] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 241.685278][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 241.699650][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 241.722423][T10943] 8021q: adding VLAN 0 to HW filter on device team0 [ 241.755567][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 241.770451][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 241.781685][ T3069] bridge0: port 1(bridge_slave_0) entered blocking state [ 241.790434][ T3069] bridge0: port 1(bridge_slave_0) entered forwarding state [ 241.802613][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 241.811653][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 241.823747][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 241.846213][T10945] 8021q: adding VLAN 0 to HW filter on device bond0 [ 241.863276][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 241.876481][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 241.887070][ T25] bridge0: port 2(bridge_slave_1) entered blocking state [ 241.896100][ T25] bridge0: port 2(bridge_slave_1) entered forwarding state [ 241.905962][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 241.938918][T10941] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 241.959165][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 241.970137][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 241.975079][T10970] Bluetooth: hci1: command 0x041b tx timeout [ 241.980245][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 242.005919][T10945] 8021q: adding VLAN 0 to HW filter on device team0 [ 242.028698][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 242.041462][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 242.056782][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 242.070196][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 242.093991][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 242.105505][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 242.118266][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 242.130136][ T40] bridge0: port 1(bridge_slave_0) entered blocking state [ 242.138860][ T40] bridge0: port 1(bridge_slave_0) entered forwarding state [ 242.151719][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 242.169085][T10948] 8021q: adding VLAN 0 to HW filter on device bond0 [ 242.201128][ T3072] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 242.216722][ T3072] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 242.230372][ T3072] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 242.243547][ T3072] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 242.254205][ T3072] bridge0: port 2(bridge_slave_1) entered blocking state [ 242.262410][ T3072] bridge0: port 2(bridge_slave_1) entered forwarding state [ 242.285232][ T3072] Bluetooth: hci2: command 0x041b tx timeout [ 242.288483][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 242.304936][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 242.314243][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 242.325558][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 242.345918][T10948] 8021q: adding VLAN 0 to HW filter on device team0 [ 242.365618][T10970] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 242.379728][T10970] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 242.393086][T10970] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 242.405914][T10970] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 242.423835][T10943] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 242.462099][T10970] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 242.474521][T10970] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 242.487977][T10970] bridge0: port 1(bridge_slave_0) entered blocking state [ 242.498040][T10970] bridge0: port 1(bridge_slave_0) entered forwarding state [ 242.507787][T10970] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 242.520087][T10970] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 242.533104][T10970] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 242.545286][T10970] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 242.569363][ T3072] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 242.585549][ T3072] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 242.600258][ T3072] bridge0: port 2(bridge_slave_1) entered blocking state [ 242.612240][ T3072] bridge0: port 2(bridge_slave_1) entered forwarding state [ 242.625652][ T3072] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 242.639794][ T3072] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 242.654556][T10976] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 242.668726][T10976] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 242.685001][T10976] Bluetooth: hci3: command 0x041b tx timeout [ 242.696248][T10941] device veth0_vlan entered promiscuous mode [ 242.709553][ T68] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 242.724029][ T68] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 242.762201][ T3366] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 242.776836][ T3366] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 242.790089][ T3366] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 242.801151][ T3366] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 242.812577][ T3366] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 242.825663][ T3366] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 242.848659][T10943] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 242.880309][ T3366] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 242.892047][ T3366] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 242.906412][ T3366] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 242.919575][ T3366] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 242.931413][ T3366] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 242.951680][T10941] device veth1_vlan entered promiscuous mode [ 242.967551][T10945] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 242.996311][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 243.009208][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 243.020182][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 243.033032][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 243.074606][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 243.088316][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 243.116815][T10948] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 243.143182][T10976] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 243.156710][T10976] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 243.182650][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 243.194125][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 243.241181][T10945] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 243.253189][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 243.270026][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 243.290501][T10941] device veth0_macvtap entered promiscuous mode [ 243.313385][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 243.329635][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 243.342632][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 243.355678][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 243.367564][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 243.381218][T10941] device veth1_macvtap entered promiscuous mode [ 243.392863][T10943] device veth0_vlan entered promiscuous mode [ 243.404132][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 243.416771][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 243.427366][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 243.469920][T10948] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 243.491066][T10941] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 243.505352][T10943] device veth1_vlan entered promiscuous mode [ 243.520803][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 243.535795][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 243.551411][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 243.568321][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 243.585612][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 243.600537][T10941] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 243.620876][T10941] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 243.631905][T10941] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 243.642290][T10941] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 243.645707][ T3366] Bluetooth: hci0: command 0x040f tx timeout [ 243.653635][T10941] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 243.678392][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 243.688007][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 243.698061][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 243.772966][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 243.786955][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 243.819730][T10945] device veth0_vlan entered promiscuous mode [ 243.834359][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 243.847089][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 243.859509][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 243.878008][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 243.899127][T10943] device veth0_macvtap entered promiscuous mode [ 243.917195][T10943] device veth1_macvtap entered promiscuous mode [ 243.929037][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 243.940890][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 243.954011][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 243.966919][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 243.985781][T10945] device veth1_vlan entered promiscuous mode [ 244.055457][ T3366] Bluetooth: hci1: command 0x040f tx timeout [ 244.068416][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 244.080790][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 244.093705][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 244.105245][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 244.127580][T10959] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 244.142858][T10959] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 244.146648][T10948] device veth0_vlan entered promiscuous mode [ 244.171961][ T3366] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 244.184291][ T3366] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 244.197107][ T3366] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 244.235396][T10943] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 244.251793][T10943] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 244.265527][T10943] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 244.281591][T10943] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 244.295407][T10943] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 244.309169][T10943] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 244.327705][T10945] device veth0_macvtap entered promiscuous mode [ 244.343300][ T3366] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 244.353296][ T3366] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 244.364520][ T3366] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 244.374999][T10976] Bluetooth: hci2: command 0x040f tx timeout [ 244.383498][ T3366] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 244.395108][ T3366] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 244.421614][T10959] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 244.423933][T10943] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 244.434522][T10959] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 244.449030][T10943] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 244.473550][T10943] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 244.489375][T10943] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 244.515802][T10948] device veth1_vlan entered promiscuous mode [ 244.524934][T10976] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 244.537632][T10976] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 244.552957][T10945] device veth1_macvtap entered promiscuous mode [ 244.568275][ T46] audit: type=1400 audit(1611872947.929:48): avc: denied { associate } for pid=10941 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 [ 244.586365][T10945] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 244.627634][T10945] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 244.643459][T10945] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 244.658678][T10945] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 244.677472][T10945] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 244.701490][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 244.711282][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 244.721478][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 244.732187][ T30] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 244.750012][T10941] cgroup: cgroup: disabling cgroup2 socket matching due to net_prio or net_cls activation [ 244.765771][T10976] Bluetooth: hci3: command 0x040f tx timeout [ 244.768071][T10945] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 244.788961][T10945] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 244.801699][T10945] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 244.814248][T10945] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 244.828275][T10945] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 244.846970][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 244.857385][ T40] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 244.890088][T10945] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 244.902104][T10945] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 244.912943][T10945] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 244.926582][T10945] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 244.971139][ T46] audit: type=1400 audit(1611872948.329:49): avc: denied { prog_load } for pid=10979 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=bpf permissive=1 [ 245.006867][T10970] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 245.020194][T10970] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready 22:29:08 executing program 0: syz_io_uring_setup(0xcbe, &(0x7f0000000100), &(0x7f0000ffd000/0x3000)=nil, &(0x7f0000ffb000/0x3000)=nil, &(0x7f0000000180), &(0x7f00000001c0)) syz_io_uring_submit(0x0, 0x0, 0x0, 0x0) socket$inet6_udp(0xa, 0x2, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$netlbl_mgmt(0x0) sendmsg$NLBL_MGMT_C_LISTALL(r0, 0x0, 0x404009c) [ 245.021046][ T46] audit: type=1400 audit(1611872948.339:50): avc: denied { bpf } for pid=10979 comm="syz-executor.0" capability=39 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=capability2 permissive=1 [ 245.065626][ T46] audit: type=1400 audit(1611872948.339:51): avc: denied { perfmon } for pid=10979 comm="syz-executor.0" capability=38 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=capability2 permissive=1 [ 245.140893][T10948] device veth0_macvtap entered promiscuous mode [ 245.142576][T10984] ------------[ cut here ]------------ [ 245.152396][T10984] WARNING: CPU: 2 PID: 10984 at include/linux/cpumask.h:137 try_to_wake_up+0xe11/0x14a0 [ 245.176404][T10984] Modules linked in: [ 245.184863][T10984] CPU: 2 PID: 10984 Comm: io_wq_manager Not tainted 5.11.0-rc5-syzkaller #0 [ 245.199303][T10984] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 245.207006][T10948] device veth1_macvtap entered promiscuous mode [ 245.215188][T10984] RIP: 0010:try_to_wake_up+0xe11/0x14a0 [ 245.215188][T10984] Code: 00 00 48 81 c7 78 ae 03 8d e8 9b 6c 66 00 48 8b 44 24 10 48 0f a3 05 f6 d1 b4 0b 49 c7 c4 00 4d 03 00 0f 92 c0 e9 bb fd ff ff <0f> 0b e9 7f f5 ff ff 48 8d bd d8 01 00 00 48 b8 00 00 00 00 00 fc [ 245.215188][T10984] RSP: 0018:ffffc90001127d48 EFLAGS: 00010002 [ 245.215188][T10984] RAX: dffffc0000000000 RBX: 1ffff92000224faf RCX: 0000000000000000 [ 245.215188][T10984] RDX: 1ffff1100d6d1cce RSI: ffffffff83beb29b RDI: 0000000000000003 [ 245.215188][T10984] RBP: ffff88806b68e2c0 R08: 0000000000000040 R09: ffffffff8d03ae8f [ 245.215188][T10984] R10: ffffffff83beb258 R11: 0000000000000000 R12: ffff88806b68e678 [ 245.250212][T10948] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 245.255710][T10984] R13: 0000000000000202 R14: ffff88806b68eb68 R15: 0000000000000008 [ 245.255710][T10984] FS: 0000000000000000(0000) GS:ffff88802cc00000(0000) knlGS:0000000000000000 [ 245.255710][T10984] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 245.255710][T10984] CR2: 00007f2739c34000 CR3: 00000000679d8000 CR4: 0000000000150ee0 [ 245.255710][T10984] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 245.266105][T10948] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 245.276314][T10984] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 245.276314][T10984] Call Trace: [ 245.276314][T10984] ? lock_downgrade+0x6d0/0x6d0 [ 245.276314][T10984] ? do_raw_spin_lock+0x120/0x2b0 [ 245.276314][T10984] ? migrate_swap_stop+0x9f0/0x9f0 [ 245.276314][T10984] ? rwlock_bug.part.0+0x90/0x90 [ 245.276314][T10984] ? _raw_spin_unlock_irq+0x1f/0x40 [ 245.276314][T10984] create_io_worker+0x590/0x8d0 [ 245.276314][T10984] io_wq_manager+0x16b/0xb80 [ 245.289609][T10948] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 245.295884][T10984] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 245.295884][T10984] ? lockdep_hardirqs_on+0x79/0x100 [ 245.295884][T10984] ? io_wq_cpu_online+0x250/0x250 [ 245.295884][T10984] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 245.313259][T10948] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 245.326751][T10984] ? __kthread_parkme+0x13f/0x1e0 [ 245.326751][T10984] ? io_wq_cpu_online+0x250/0x250 [ 245.326751][T10984] kthread+0x3b1/0x4a0 [ 245.326751][T10984] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 245.326751][T10984] ret_from_fork+0x1f/0x30 [ 245.326751][T10984] Kernel panic - not syncing: panic_on_warn set ... [ 245.326751][T10984] CPU: 2 PID: 10984 Comm: io_wq_manager Not tainted 5.11.0-rc5-syzkaller #0 [ 245.326751][T10984] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 245.326751][T10984] Call Trace: [ 245.326751][T10984] dump_stack+0x107/0x163 [ 245.326751][T10984] panic+0x306/0x73d [ 245.326751][T10984] ? __warn_printk+0xf3/0xf3 [ 245.326751][T10984] ? __warn.cold+0x1a/0x44 [ 245.326751][T10984] ? try_to_wake_up+0xe11/0x14a0 [ 245.326751][T10984] __warn.cold+0x35/0x44 [ 245.326751][T10984] ? try_to_wake_up+0xe11/0x14a0 [ 245.326751][T10984] report_bug+0x1bd/0x210 [ 245.326751][T10984] handle_bug+0x3c/0x60 [ 245.326751][T10984] exc_invalid_op+0x14/0x40 [ 245.340917][T10948] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 245.350293][T10984] asm_exc_invalid_op+0x12/0x20 [ 245.350293][T10984] RIP: 0010:try_to_wake_up+0xe11/0x14a0 [ 245.350293][T10984] Code: 00 00 48 81 c7 78 ae 03 8d e8 9b 6c 66 00 48 8b 44 24 10 48 0f a3 05 f6 d1 b4 0b 49 c7 c4 00 4d 03 00 0f 92 c0 e9 bb fd ff ff <0f> 0b e9 7f f5 ff ff 48 8d bd d8 01 00 00 48 b8 00 00 00 00 00 fc [ 245.350293][T10984] RSP: 0018:ffffc90001127d48 EFLAGS: 00010002 [ 245.350293][T10984] RAX: dffffc0000000000 RBX: 1ffff92000224faf RCX: 0000000000000000 [ 245.350293][T10984] RDX: 1ffff1100d6d1cce RSI: ffffffff83beb29b RDI: 0000000000000003 [ 245.350293][T10984] RBP: ffff88806b68e2c0 R08: 0000000000000040 R09: ffffffff8d03ae8f [ 245.350293][T10984] R10: ffffffff83beb258 R11: 0000000000000000 R12: ffff88806b68e678 [ 245.350293][T10984] R13: 0000000000000202 R14: ffff88806b68eb68 R15: 0000000000000008 [ 245.350293][T10984] ? find_first_bit+0x48/0xb0 [ 245.350293][T10984] ? find_first_bit+0x8b/0xb0 [ 245.350293][T10984] ? try_to_wake_up+0x9d7/0x14a0 [ 245.350293][T10984] ? lock_downgrade+0x6d0/0x6d0 [ 245.350293][T10984] ? do_raw_spin_lock+0x120/0x2b0 [ 245.350293][T10984] ? migrate_swap_stop+0x9f0/0x9f0 [ 245.350293][T10984] ? rwlock_bug.part.0+0x90/0x90 [ 245.350293][T10984] ? _raw_spin_unlock_irq+0x1f/0x40 [ 245.350293][T10984] create_io_worker+0x590/0x8d0 [ 245.350293][T10984] io_wq_manager+0x16b/0xb80 [ 245.350293][T10984] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 245.350293][T10984] ? lockdep_hardirqs_on+0x79/0x100 [ 245.350293][T10984] ? io_wq_cpu_online+0x250/0x250 [ 245.350293][T10984] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 245.350293][T10984] ? __kthread_parkme+0x13f/0x1e0 [ 245.350293][T10984] ? io_wq_cpu_online+0x250/0x250 [ 245.350293][T10984] kthread+0x3b1/0x4a0 [ 245.350293][T10984] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 245.350293][T10984] ret_from_fork+0x1f/0x30 [ 245.350293][T10984] Kernel Offset: disabled [ 245.350293][T10984] [ 245.350293][T10984] ====================================================== [ 245.350293][T10984] WARNING: possible circular locking dependency detected [ 245.350293][T10984] 5.11.0-rc5-syzkaller #0 Not tainted [ 245.350293][T10984] ------------------------------------------------------ [ 245.350293][T10984] io_wq_manager/10984 is trying to acquire lock: [ 245.350293][T10984] ffffffff8b363058 ((console_sem).lock){-...}-{2:2}, at: down_trylock+0xe/0x60 [ 245.350293][T10984] [ 245.350293][T10984] but task is already holding lock: [ 245.350293][T10984] ffff88806b68eb80 (&p->pi_lock){-.-.}-{2:2}, at: try_to_wake_up+0x98/0x14a0 [ 245.350293][T10984] [ 245.350293][T10984] which lock already depends on the new lock. [ 245.350293][T10984] [ 245.350293][T10984] [ 245.350293][T10984] the existing dependency chain (in reverse order) is: [ 245.350293][T10984] [ 245.350293][T10984] -> #1 (&p->pi_lock){-.-.}-{2:2}: [ 245.350293][T10984] _raw_spin_lock_irqsave+0x39/0x50 [ 245.350293][T10984] try_to_wake_up+0x98/0x14a0 [ 245.350293][T10984] up+0x75/0xb0 [ 245.350293][T10984] __up_console_sem+0x4a/0x80 [ 245.350293][T10984] console_unlock+0x591/0xbb0 [ 245.350293][T10984] vga_remove_vgacon.cold+0x99/0x9e [ 245.350293][T10984] virtio_gpu_probe.cold+0x113/0x1e5 [ 245.350293][T10984] virtio_dev_probe+0x445/0x6f0 [ 245.350293][T10984] really_probe+0x291/0xe60 [ 245.350293][T10984] driver_probe_device+0x26b/0x3d0 [ 245.350293][T10984] device_driver_attach+0x228/0x290 [ 245.350293][T10984] __driver_attach+0x15b/0x2f0 [ 245.350293][T10984] bus_for_each_dev+0x147/0x1d0 [ 245.350293][T10984] bus_add_driver+0x3a9/0x630 [ 245.350293][T10984] driver_register+0x220/0x3a0 [ 245.350293][T10984] do_one_initcall+0x103/0x650 [ 245.350293][T10984] kernel_init_freeable+0x605/0x689 [ 245.350293][T10984] kernel_init+0xd/0x1b8 [ 245.350293][T10984] ret_from_fork+0x1f/0x30 [ 245.350293][T10984] [ 245.350293][T10984] -> #0 ((console_sem).lock){-...}-{2:2}: [ 245.350293][T10984] __lock_acquire+0x2b26/0x54f0 [ 245.350293][T10984] lock_acquire+0x1a8/0x720 [ 245.350293][T10984] _raw_spin_lock_irqsave+0x39/0x50 [ 245.350293][T10984] down_trylock+0xe/0x60 [ 245.350293][T10984] __down_trylock_console_sem+0x3e/0xd0 [ 245.350293][T10984] vprintk_emit+0x137/0x490 [ 245.350293][T10984] vprintk_func+0x8d/0x1e0 [ 245.350293][T10984] printk+0xba/0xed [ 245.350293][T10984] report_bug.cold+0x72/0xab [ 245.350293][T10984] handle_bug+0x3c/0x60 [ 245.350293][T10984] exc_invalid_op+0x14/0x40 [ 245.350293][T10984] asm_exc_invalid_op+0x12/0x20 [ 245.350293][T10984] try_to_wake_up+0xe11/0x14a0 [ 245.350293][T10984] create_io_worker+0x590/0x8d0 [ 245.350293][T10984] io_wq_manager+0x16b/0xb80 [ 245.350293][T10984] kthread+0x3b1/0x4a0 [ 245.350293][T10984] ret_from_fork+0x1f/0x30 [ 245.350293][T10984] [ 245.350293][T10984] other info that might help us debug this: [ 245.350293][T10984] [ 245.350293][T10984] Possible unsafe locking scenario: [ 245.350293][T10984] [ 245.350293][T10984] CPU0 CPU1 [ 245.350293][T10984] ---- ---- [ 245.350293][T10984] lock(&p->pi_lock); [ 245.350293][T10984] lock((console_sem).lock); [ 245.350293][T10984] lock(&p->pi_lock); [ 245.350293][T10984] lock((console_sem).lock); [ 245.350293][T10984] [ 245.350293][T10984] *** DEADLOCK *** [ 245.350293][T10984] [ 245.350293][T10984] 1 lock held by io_wq_manager/10984: [ 245.350293][T10984] #0: ffff88806b68eb80 (&p->pi_lock){-.-.}-{2:2}, at: try_to_wake_up+0x98/0x14a0 [ 245.350293][T10984] [ 245.350293][T10984] stack backtrace: [ 245.350293][T10984] CPU: 2 PID: 10984 Comm: io_wq_manager Not tainted 5.11.0-rc5-syzkaller #0 [ 245.350293][T10984] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 245.350293][T10984] Call Trace: [ 245.350293][T10984] dump_stack+0x107/0x163 [ 245.350293][T10984] check_noncircular+0x25f/0x2e0 [ 245.350293][T10984] ? print_circular_bug+0x480/0x480 [ 245.350293][T10984] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 245.350293][T10984] ? space_used+0x1a3/0x2a0 [ 245.350293][T10984] ? format_decode+0x230/0xad0 [ 245.350293][T10984] ? lockdep_lock+0xc6/0x200 [ 245.350293][T10984] ? call_rcu_zapped+0xb0/0xb0 [ 245.350293][T10984] __lock_acquire+0x2b26/0x54f0 [ 245.350293][T10984] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 245.350293][T10984] lock_acquire+0x1a8/0x720 [ 245.350293][T10984] ? down_trylock+0xe/0x60 [ 245.350293][T10984] ? lock_release+0x710/0x710 [ 245.350293][T10984] ? vprintk_func+0x8d/0x1e0 [ 245.350293][T10984] _raw_spin_lock_irqsave+0x39/0x50 [ 245.350293][T10984] ? down_trylock+0xe/0x60 [ 245.350293][T10984] down_trylock+0xe/0x60 [ 245.350293][T10984] ? vprintk_func+0x8d/0x1e0 [ 245.350293][T10984] __down_trylock_console_sem+0x3e/0xd0 [ 245.350293][T10984] vprintk_emit+0x137/0x490 [ 245.350293][T10984] vprintk_func+0x8d/0x1e0 [ 245.350293][T10984] printk+0xba/0xed [ 245.350293][T10984] ? record_print_text.cold+0x16/0x16 [ 245.350293][T10984] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 245.350293][T10984] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 245.350293][T10984] ? report_bug.cold+0x66/0xab [ 245.350293][T10984] ? try_to_wake_up+0xe11/0x14a0 [ 245.350293][T10984] report_bug.cold+0x72/0xab [ 245.350293][T10984] handle_bug+0x3c/0x60 [ 245.350293][T10984] exc_invalid_op+0x14/0x40 [ 245.350293][T10984] asm_exc_invalid_op+0x12/0x20 [ 245.350293][T10984] RIP: 0010:try_to_wake_up+0xe11/0x14a0 [ 245.350293][T10984] Code: 00 00 48 81 c7 78 ae 03 8d e8 9b 6c 66 00 48 8b 44 24 10 48 0f a3 05 f6 d1 b4 0b 49 c7 c4 00 4d 03 00 0f 92 c0 e9 bb fd ff ff <0f> 0b e9 7f f5 ff ff 48 8d bd d8 01 00 00 48 b8 00 00 00 00 00 fc [ 245.350293][T10984] RSP: 0018:ffffc90001127d48 EFLAGS: 00010002 [ 245.350293][T10984] RAX: dffffc0000000000 RBX: 1ffff92000224faf RCX: 0000000000000000 [ 245.350293][T10984] RDX: 1ffff1100d6d1cce RSI: ffffffff83beb29b RDI: 0000000000000003 [ 245.350293][T10984] RBP: ffff88806b68e2c0 R08: 0000000000000040 R09: ffffffff8d03ae8f [ 245.350293][T10984] R10: ffffffff83beb258 R11: 0000000000000000 R12: ffff88806b68e678 [ 245.350293][T10984] R13: 0000000000000202 R14: ffff88806b68eb68 R15: 0000000000000008 [ 245.350293][T10984] ? find_first_bit+0x48/0xb0 [ 245.350293][T10984] ? find_first_bit+0x8b/0xb0 [ 245.350293][T10984] ? try_to_wake_up+0x9d7/0x14a0 [ 245.350293][T10984] ? lock_downgrade+0x6d0/0x6d0 [ 245.350293][T10984] ? do_raw_spin_lock+0x120/0x2b0 [ 245.350293][T10984] ? migrate_swap_stop+0x9f0/0x9f0 [ 245.350293][T10984] ? rwlock_bug.part.0+0x90/0x90 [ 245.350293][T10984] ? _raw_spin_unlock_irq+0x1f/0x40 [ 245.350293][T10984] create_io_worker+0x590/0x8d0 [ 245.350293][T10984] io_wq_manager+0x16b/0xb80 [ 245.350293][T10984] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 245.350293][T10984] ? lockdep_hardirqs_on+0x79/0x100 [ 245.350293][T10984] ? io_wq_cpu_online+0x250/0x250 [ 245.350293][T10984] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 245.350293][T10984] ? __kthread_parkme+0x13f/0x1e0 [ 245.350293][T10984] ? io_wq_cpu_online+0x250/0x250 [ 245.350293][T10984] kthread+0x3b1/0x4a0 [ 245.350293][T10984] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 245.350293][T10984] ret_from_fork+0x1f/0x30 [ 245.350293][T10984] Rebooting in 86400 seconds.. VM DIAGNOSIS: 22:29:09 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff8880131fe9c0 RCX=0000000000000000 RDX=1ffff1100263fd39 RSI=ffffffff83903ddb RDI=ffff88801d98f680 RBP=ffff88801d98e040 RSP=ffffc90000f17c08 R8 =0000000000000001 R9 =ffffc90000f17cc0 R10=fffff520001e2fa1 R11=0000000000000000 R12=0000000000000012 R13=ffff8880131fe9c8 R14=ffffc90000f17d30 R15=ffff8880121fa7d8 RIP=ffffffff83903e29 RFL=00010a06 [-O---P-] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 ffffffff 00c00000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 ffffffff 00c00000 FS =0000 00000000029fa940 ffffffff 00c00000 GS =0000 ffff88802ca00000 ffffffff 00c00000 LDT=0000 0000000000000000 ffffffff 00c00000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=0000000000b60004 CR3=000000006aa7f000 CR4=00150ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000fffe0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=00000000000000000000000000000000 XMM01=0000000000ff00000000000000ff0000 XMM02=0000ff00000000000000000000000000 XMM03=00000000000000000000000000000000 XMM04=000000000000000000000000000000ff XMM05=ffffffffffffffffffffffffffffffff XMM06=ffffffffffffffffffffffffffffffff XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000000 RBX=ffff88801ae4da80 RCX=0000000000000000 RDX=ffff88801ae4da80 RSI=ffffffff84a56cbc RDI=ffff88801ae4da88 RBP=ffff88801ae4da80 RSP=ffffc900010774c0 R8 =0000000000000080 R9 =0000000000000003 R10=ffffffff84a56b3a R11=000000000000015f R12=ffff88801457a000 R13=ffff88801457a3c0 R14=ffff888012f2aac0 R15=ffff88801ae4dad8 RIP=ffffffff84a56d37 RFL=00010246 [---Z-P-] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 ffffffff 00c00000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 ffffffff 00c00000 FS =0000 0000000000000000 ffffffff 00c00000 GS =0000 ffff88802cb00000 ffffffff 00c00000 LDT=0000 0000000000000000 00000000 00000000 TR =0040 fffffe000003e000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe000003c000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffd9c7e3918 CR3=000000004e141000 CR4=00150ee0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000fffe0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=00000000000000000000000000000000 XMM01=00000000000003d8000000000000000d XMM02=00000000000000000000000000000000 XMM03=00000000000000000000000000000000 XMM04=00000000000000000000000000000000 XMM05=00000000000003d8000000000000000d XMM06=0000000000000000000000524f525245 XMM07=00000000000000000000000000000000 XMM08=000000000000000000524f5252450040 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 2 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff84184bf1 RDI=ffffffff8fc82800 RBP=ffffffff8fc827c0 RSP=ffffc90001127710 R8 =0000000000000000 R9 =0000000000000000 R10=ffffffff84184be2 R11=000000000000001f R12=0000000000000000 R13=0000000000000020 R14=ffffffff8fc827c0 R15=dffffc0000000000 RIP=ffffffff84184c1a RFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 000fffff 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 000fffff 00000000 FS =0000 0000000000000000 000fffff 00000000 GS =0000 ffff88802cc00000 000fffff 00000000 LDT=0000 0000000000000000 00000000 00000000 TR =0040 fffffe0000079000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000077000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f2739c34000 CR3=00000000679d8000 CR4=00150ee0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000fffe0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=00000001000000010000001c00000000 XMM01=00000001000000010000001c00000000 XMM02=0000ff00000000000000000000000000 XMM03=00ff0000000000000000000000000000 XMM04=00000000ff0000000000000000000000 XMM05=ffffffffffffffffffffffffffffffff XMM06=ffffffffffffffffffffffffffffffff XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 3 RAX=0000000000017d72 RBX=ffff888010ac8040 RCX=ffffffff88fac530 RDX=0000000000000000 RSI=0000000000000001 RDI=ffffffff88fd1e0f RBP=ffffed1002159008 RSP=ffffc9000045fdf8 R8 =0000000000000000 R9 =ffff88802cd35c6b R10=ffffed10059a6b8d R11=0000000000000000 R12=0000000000000003 R13=0000000000000003 R14=ffffffff8d03ae88 R15=0000000000000000 RIP=ffffffff88fd1a4e RFL=00000246 [---Z-P-] CPL=0 II=0 A20=1 SMM=0 HLT=1 ES =0000 0000000000000000 ffffffff 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 ffffffff 00000000 FS =0000 0000000000000000 ffffffff 00000000 GS =0000 ffff88802cd00000 ffffffff 00000000 LDT=0000 0000000000000000 00000000 00000000 TR =0040 fffffe00000b4000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe00000b2000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=000000000075c000 CR3=000000002b850000 CR4=00150ee0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000fffe0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=3061343178302f31316578302b70755f XMM01=203a474e494e524157205d3438393031 XMM02=313a682e6b73616d7570632f78756e69 XMM03=6c2f6564756c636e6920746120343839 XMM04=3031203a4449502032203a555043203a XMM05=203a474e494e524157205d3438393031 XMM06=000a3061343178302f31316578302b70 XMM07=203a7469647561205d3634542020205b XMM08=ffffff0000000000ff000000000000ff XMM09=00000000000000000000000000000000 XMM10=ffffff00000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000