Warning: Permanently added '10.128.0.67' (ECDSA) to the list of known hosts. 2020/04/11 09:17:50 parsed 1 programs syzkaller login: [ 68.101921][ T3832] kmemleak: Automatic memory scanning thread ended 2020/04/11 09:18:00 executed programs: 0 [ 75.633466][ T25] audit: type=1400 audit(1586596680.019:8): avc: denied { execmem } for pid=6648 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 75.661352][ T6649] IPVS: ftp: loaded support on port[0] = 21 [ 75.686436][ T6649] chnl_net:caif_netlink_parms(): no params data found [ 75.727557][ T6649] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.734729][ T6649] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.742239][ T6649] device bridge_slave_0 entered promiscuous mode [ 75.749811][ T6649] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.757047][ T6649] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.764282][ T6649] device bridge_slave_1 entered promiscuous mode [ 75.774050][ T6649] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 75.783948][ T6649] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 75.796456][ T6649] team0: Port device team_slave_0 added [ 75.802457][ T6649] team0: Port device team_slave_1 added [ 75.811134][ T6649] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 75.818365][ T6649] 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. [ 75.844704][ T6649] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 75.855845][ T6649] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 75.862963][ T6649] 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. [ 75.889034][ T6649] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 75.926763][ T6649] device hsr_slave_0 entered promiscuous mode [ 75.976109][ T6649] device hsr_slave_1 entered promiscuous mode [ 76.045986][ T6649] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 76.087085][ T6649] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 76.136786][ T6649] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 76.176759][ T6649] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 76.210845][ T6649] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.217977][ T6649] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.225184][ T6649] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.232211][ T6649] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.248624][ T6649] 8021q: adding VLAN 0 to HW filter on device bond0 [ 76.257244][ T6852] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 76.264710][ T6852] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.272983][ T6852] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.280627][ T6852] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 76.289548][ T6649] 8021q: adding VLAN 0 to HW filter on device team0 [ 76.297610][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 76.305852][ T44] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.312912][ T44] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.321491][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 76.329921][ T43] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.336972][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.347758][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 76.356554][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 76.364677][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 76.373993][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 76.383577][ T6649] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 76.394224][ T6649] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 76.401769][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 76.412389][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 76.419883][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 76.428875][ T6649] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 76.440006][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 76.451060][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 76.459232][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 76.466780][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 76.475264][ T6649] device veth0_vlan entered promiscuous mode [ 76.483294][ T6649] device veth1_vlan entered promiscuous mode [ 76.494417][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 76.502456][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 76.510469][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 76.519506][ T6649] device veth0_macvtap entered promiscuous mode [ 76.527049][ T6649] device veth1_macvtap entered promiscuous mode [ 76.536416][ T6649] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 76.543668][ T6852] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 76.552395][ T6852] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 76.561387][ T6649] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 76.568841][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 76.611969][ T6872] ubi0: attaching mtd0 [ 76.617039][ T6872] ubi0: scanning is finished [ 76.621643][ T6872] ubi0: empty MTD device detected [ 76.656656][ T6872] ubi0: attached mtd0 (name "mtdram test device", size 0 MiB) [ 76.664136][ T6872] ubi0: PEB size: 4096 bytes (4 KiB), LEB size: 3968 bytes [ 76.671781][ T6872] ubi0: min./max. I/O unit sizes: 1/64, sub-page size 1 [ 76.678832][ T6872] ubi0: VID header offset: 64 (aligned 64), data offset: 128 [ 76.686312][ T6872] ubi0: good PEBs: 32, bad PEBs: 0, corrupted PEBs: 0 [ 76.693101][ T6872] ubi0: user volume: 0, internal volumes: 1, max. volumes count: 23 [ 76.701334][ T6872] ubi0: max/mean erase counter: 0/0, WL threshold: 4096, image sequence number: 1834666544 [ 76.711375][ T6872] ubi0: available PEBs: 28, total reserved PEBs: 4, PEBs reserved for bad PEB handling: 0 [ 76.721652][ T6876] ubi0: background thread "ubi_bgt0d" started, PID 6876 2020/04/11 09:18:06 executed programs: 1 [ 82.454955][ T6881] ubi0: detaching mtd0 [ 82.459608][ T6881] ubi0: mtd0 is detached [ 82.463977][ T6881] ubi0: attaching mtd0 [ 82.468220][ T6881] ubi0: scanning is finished [ 82.496262][ T6881] ubi0: attached mtd0 (name "mtdram test device", size 0 MiB) [ 82.503774][ T6881] ubi0: PEB size: 4096 bytes (4 KiB), LEB size: 3968 bytes [ 82.511085][ T6881] ubi0: min./max. I/O unit sizes: 1/64, sub-page size 1 [ 82.518061][ T6881] ubi0: VID header offset: 64 (aligned 64), data offset: 128 [ 82.525469][ T6881] ubi0: good PEBs: 32, bad PEBs: 0, corrupted PEBs: 0 [ 82.532208][ T6881] ubi0: user volume: 0, internal volumes: 1, max. volumes count: 23 [ 82.540188][ T6881] ubi0: max/mean erase counter: 1/1, WL threshold: 4096, image sequence number: 1834666544 [ 82.550265][ T6881] ubi0: available PEBs: 28, total reserved PEBs: 4, PEBs reserved for bad PEB handling: 0 [ 82.560175][ T6885] ubi0: background thread "ubi_bgt0d" started, PID 6885 [ 82.572513][ T6887] ubi0: detaching mtd0 [ 82.577067][ T6887] ubi0: mtd0 is detached [ 82.581452][ T6887] ubi0: attaching mtd0 [ 82.586162][ T6887] ubi0: scanning is finished [ 82.617545][ T6887] ubi0: attached mtd0 (name "mtdram test device", size 0 MiB) [ 82.625119][ T6887] ubi0: PEB size: 4096 bytes (4 KiB), LEB size: 3968 bytes [ 82.632904][ T6887] ubi0: min./max. I/O unit sizes: 1/64, sub-page size 1 [ 82.640084][ T6887] ubi0: VID header offset: 64 (aligned 64), data offset: 128 [ 82.647648][ T6887] ubi0: good PEBs: 32, bad PEBs: 0, corrupted PEBs: 0 [ 82.654383][ T6887] ubi0: user volume: 0, internal volumes: 1, max. volumes count: 23 [ 82.662610][ T6887] ubi0: max/mean erase counter: 1/1, WL threshold: 4096, image sequence number: 1834666544 [ 82.672827][ T6887] ubi0: available PEBs: 28, total reserved PEBs: 4, PEBs reserved for bad PEB handling: 0 [ 82.683083][ T6893] ubi0: background thread "ubi_bgt0d" started, PID 6893 [ 88.276049][ T6894] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff888127d17020 (size 32): comm "syz-executor.0", pid 6872, jiffies 4294944937 (age 14.130s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 01 00 00 00 02 00 00 00 ................ backtrace: [<0000000046fc202c>] erase_aeb+0x25/0x110 [<00000000664caf5b>] ubi_wl_init+0x193/0x5c0 [<000000001cc38369>] ubi_attach+0x611/0x18ba [<00000000a803c65c>] ubi_attach_mtd_dev+0x665/0xcc0 [<00000000da8e815d>] ctrl_cdev_ioctl+0x144/0x1b0 [<00000000c5582c1a>] ksys_ioctl+0xa6/0xd0 [<0000000050be61f5>] __x64_sys_ioctl+0x1a/0x20 [<000000008077f721>] do_syscall_64+0x6e/0x220 [<00000000c76025c1>] entry_SYSCALL_64_after_hwframe+0x44/0xa9