Warning: Permanently added '10.128.0.108' (ECDSA) to the list of known hosts. 2020/04/30 09:29:02 parsed 1 programs syzkaller login: [ 79.792602][ T3831] kmemleak: Automatic memory scanning thread ended 2020/04/30 09:29:11 executed programs: 0 [ 87.130136][ T26] audit: type=1400 audit(1588238951.569:8): avc: denied { execmem } for pid=6632 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 87.152011][ T6633] IPVS: ftp: loaded support on port[0] = 21 [ 87.175699][ T6633] chnl_net:caif_netlink_parms(): no params data found [ 87.213110][ T6633] bridge0: port 1(bridge_slave_0) entered blocking state [ 87.220163][ T6633] bridge0: port 1(bridge_slave_0) entered disabled state [ 87.227721][ T6633] device bridge_slave_0 entered promiscuous mode [ 87.234560][ T6633] bridge0: port 2(bridge_slave_1) entered blocking state [ 87.241589][ T6633] bridge0: port 2(bridge_slave_1) entered disabled state [ 87.248816][ T6633] device bridge_slave_1 entered promiscuous mode [ 87.258724][ T6633] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 87.268302][ T6633] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 87.280124][ T6633] team0: Port device team_slave_0 added [ 87.286154][ T6633] team0: Port device team_slave_1 added [ 87.294362][ T6633] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 87.301287][ T6633] 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. [ 87.327212][ T6633] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 87.338026][ T6633] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 87.344962][ T6633] 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. [ 87.370844][ T6633] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 87.401816][ T6633] device hsr_slave_0 entered promiscuous mode [ 87.440971][ T6633] device hsr_slave_1 entered promiscuous mode [ 87.520317][ T6633] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 87.571756][ T6633] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 87.641628][ T6633] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 87.681565][ T6633] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 87.745584][ T6633] bridge0: port 2(bridge_slave_1) entered blocking state [ 87.752624][ T6633] bridge0: port 2(bridge_slave_1) entered forwarding state [ 87.759805][ T6633] bridge0: port 1(bridge_slave_0) entered blocking state [ 87.766814][ T6633] bridge0: port 1(bridge_slave_0) entered forwarding state [ 87.783063][ T6633] 8021q: adding VLAN 0 to HW filter on device bond0 [ 87.791448][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 87.798896][ T5] bridge0: port 1(bridge_slave_0) entered disabled state [ 87.806605][ T5] bridge0: port 2(bridge_slave_1) entered disabled state [ 87.814447][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 87.822902][ T6633] 8021q: adding VLAN 0 to HW filter on device team0 [ 87.831254][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 87.839307][ T44] bridge0: port 1(bridge_slave_0) entered blocking state [ 87.846312][ T44] bridge0: port 1(bridge_slave_0) entered forwarding state [ 87.859526][ T6633] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 87.870099][ T6633] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 87.881036][ T52] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 87.889125][ T52] bridge0: port 2(bridge_slave_1) entered blocking state [ 87.896135][ T52] bridge0: port 2(bridge_slave_1) entered forwarding state [ 87.904117][ T52] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 87.912170][ T52] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 87.920092][ T52] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 87.927994][ T52] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 87.935888][ T52] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 87.943139][ T52] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 87.954126][ T6633] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 87.961097][ T52] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 87.968361][ T52] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 87.979150][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 87.990742][ T6633] device veth0_vlan entered promiscuous mode [ 87.997070][ T6203] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 88.005313][ T6203] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 88.012755][ T6203] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 88.021534][ T6633] device veth1_vlan entered promiscuous mode [ 88.031447][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 88.039067][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 88.046928][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 88.055828][ T6633] device veth0_macvtap entered promiscuous mode [ 88.062961][ T6633] device veth1_macvtap entered promiscuous mode [ 88.072035][ T6633] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 88.079313][ T6203] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 88.087903][ T6203] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 88.096396][ T6633] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 88.103893][ T16] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 88.145755][ T6856] ubi0: attaching mtd0 [ 88.149968][ T6856] ubi0: scanning is finished [ 88.154898][ T6856] ubi0: empty MTD device detected [ 88.191434][ T6856] ubi0: attached mtd0 (name "mtdram test device", size 0 MiB) [ 88.198885][ T6856] ubi0: PEB size: 4096 bytes (4 KiB), LEB size: 3968 bytes [ 88.206346][ T6856] ubi0: min./max. I/O unit sizes: 1/64, sub-page size 1 [ 88.213282][ T6856] ubi0: VID header offset: 64 (aligned 64), data offset: 128 [ 88.220621][ T6856] ubi0: good PEBs: 32, bad PEBs: 0, corrupted PEBs: 0 [ 88.227606][ T6856] ubi0: user volume: 0, internal volumes: 1, max. volumes count: 23 [ 88.235578][ T6856] ubi0: max/mean erase counter: 0/0, WL threshold: 4096, image sequence number: 677880037 [ 88.245499][ T6856] ubi0: available PEBs: 28, total reserved PEBs: 4, PEBs reserved for bad PEB handling: 0 [ 88.255393][ T6859] ubi0: background thread "ubi_bgt0d" started, PID 6859 2020/04/30 09:29:18 executed programs: 1 [ 93.730221][ T6865] ubi0: detaching mtd0 [ 93.734737][ T6865] ubi0: mtd0 is detached [ 93.739061][ T6865] ubi0: attaching mtd0 [ 93.743387][ T6865] ubi0: scanning is finished [ 93.800399][ T6865] ubi0: attached mtd0 (name "mtdram test device", size 0 MiB) [ 93.807848][ T6865] ubi0: PEB size: 4096 bytes (4 KiB), LEB size: 3968 bytes [ 93.815310][ T6865] ubi0: min./max. I/O unit sizes: 1/64, sub-page size 1 [ 93.822458][ T6865] ubi0: VID header offset: 64 (aligned 64), data offset: 128 [ 93.829792][ T6865] ubi0: good PEBs: 32, bad PEBs: 0, corrupted PEBs: 0 [ 93.836734][ T6865] ubi0: user volume: 0, internal volumes: 1, max. volumes count: 23 [ 93.844966][ T6865] ubi0: max/mean erase counter: 1/1, WL threshold: 4096, image sequence number: 677880037 [ 93.854982][ T6865] ubi0: available PEBs: 28, total reserved PEBs: 4, PEBs reserved for bad PEB handling: 0 [ 93.865126][ T6869] ubi0: background thread "ubi_bgt0d" started, PID 6869 [ 93.876347][ T6871] ubi0: detaching mtd0 [ 93.880733][ T6871] ubi0: mtd0 is detached [ 93.885058][ T6871] ubi0: attaching mtd0 [ 93.889265][ T6871] ubi0: scanning is finished [ 93.920414][ T6871] ubi0: attached mtd0 (name "mtdram test device", size 0 MiB) [ 93.927900][ T6871] ubi0: PEB size: 4096 bytes (4 KiB), LEB size: 3968 bytes [ 93.935214][ T6871] ubi0: min./max. I/O unit sizes: 1/64, sub-page size 1 [ 93.942293][ T6871] ubi0: VID header offset: 64 (aligned 64), data offset: 128 [ 93.949633][ T6871] ubi0: good PEBs: 32, bad PEBs: 0, corrupted PEBs: 0 [ 93.956458][ T6871] ubi0: user volume: 0, internal volumes: 1, max. volumes count: 23 [ 93.964426][ T6871] ubi0: max/mean erase counter: 1/1, WL threshold: 4096, image sequence number: 677880037 [ 93.974453][ T6871] ubi0: available PEBs: 28, total reserved PEBs: 4, PEBs reserved for bad PEB handling: 0 [ 93.984553][ T6876] ubi0: background thread "ubi_bgt0d" started, PID 6876 [ 97.419472][ T0] NOHZ: local_softirq_pending 08 [ 99.317858][ T6879] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff888127db9bc0 (size 32): comm "syz-executor.0", pid 6856, jiffies 4294946081 (age 13.500s) hex dump (first 32 bytes): 00 01 00 00 00 00 ad de 22 01 00 00 00 00 ad de ........"....... 00 00 00 00 00 00 00 00 01 00 00 00 02 00 00 00 ................ backtrace: [<00000000aef544d9>] erase_aeb+0x25/0x110 [<000000003827fc94>] ubi_wl_init+0x193/0x5c0 [<00000000fe6b07fb>] ubi_attach+0x611/0x18ba [<00000000637fe350>] ubi_attach_mtd_dev+0x665/0xcc0 [<000000009714097d>] ctrl_cdev_ioctl+0x144/0x1b0 [<0000000036313975>] ksys_ioctl+0xa6/0xd0 [<000000006a3d23b0>] __x64_sys_ioctl+0x1a/0x20 [<00000000db62b621>] do_syscall_64+0x6e/0x220 [<00000000c359923d>] entry_SYSCALL_64_after_hwframe+0x44/0xa9