[[0;32m OK [0m] Reached target Login Prompts.
[[0;32m OK [0m] Reached target Multi-User System.
[[0;32m OK [0m] Reached target Graphical Interface.
Starting Update UTMP about System Runlevel Changes...
[[0;32m OK [0m] Started Update UTMP about System Runlevel Changes.
Debian GNU/Linux 9 syzkaller ttyS0
Warning: Permanently added '10.128.0.132' (ECDSA) to the list of known hosts.
2020/05/10 11:40:23 parsed 1 programs
syzkaller login: [ 67.296511][ T3833] kmemleak: Automatic memory scanning thread ended
2020/05/10 11:40:31 executed programs: 0
[ 74.730045][ T25] audit: type=1400 audit(1589110831.518:8): avc: denied { execmem } for pid=6671 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1
[ 74.742417][ T6672] IPVS: ftp: loaded support on port[0] = 21
[ 74.775782][ T6672] chnl_net:caif_netlink_parms(): no params data found
[ 74.818163][ T6672] bridge0: port 1(bridge_slave_0) entered blocking state
[ 74.825220][ T6672] bridge0: port 1(bridge_slave_0) entered disabled state
[ 74.832722][ T6672] device bridge_slave_0 entered promiscuous mode
[ 74.839905][ T6672] bridge0: port 2(bridge_slave_1) entered blocking state
[ 74.847124][ T6672] bridge0: port 2(bridge_slave_1) entered disabled state
[ 74.854347][ T6672] device bridge_slave_1 entered promiscuous mode
[ 74.864122][ T6672] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 74.874107][ T6672] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 74.886610][ T6672] team0: Port device team_slave_0 added
[ 74.892571][ T6672] team0: Port device team_slave_1 added
[ 74.901202][ T6672] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 74.908324][ T6672] 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.
[ 74.934632][ T6672] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 74.945785][ T6672] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 74.952699][ T6672] 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.
[ 74.978942][ T6672] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 75.025709][ T6672] device hsr_slave_0 entered promiscuous mode
[ 75.074996][ T6672] device hsr_slave_1 entered promiscuous mode
[ 75.154884][ T6672] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 75.186102][ T6672] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 75.245724][ T6672] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 75.305683][ T6672] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 75.369547][ T6672] bridge0: port 2(bridge_slave_1) entered blocking state
[ 75.376605][ T6672] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 75.383792][ T6672] bridge0: port 1(bridge_slave_0) entered blocking state
[ 75.390844][ T6672] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 75.407052][ T6672] 8021q: adding VLAN 0 to HW filter on device bond0
[ 75.415579][ T6875] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 75.423025][ T6875] bridge0: port 1(bridge_slave_0) entered disabled state
[ 75.430589][ T6875] bridge0: port 2(bridge_slave_1) entered disabled state
[ 75.438814][ T6875] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[ 75.448283][ T6672] 8021q: adding VLAN 0 to HW filter on device team0
[ 75.456251][ T3087] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 75.464329][ T3087] bridge0: port 1(bridge_slave_0) entered blocking state
[ 75.471370][ T3087] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 75.479704][ T3587] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 75.488045][ T3587] bridge0: port 2(bridge_slave_1) entered blocking state
[ 75.495064][ T3587] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 75.505890][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 75.513917][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 75.522509][ T3587] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 75.531629][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 75.540860][ T3587] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 75.549880][ T6672] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 75.560029][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 75.567718][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 75.576750][ T6672] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 75.587200][ T6875] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 75.598812][ T6672] device veth0_vlan entered promiscuous mode
[ 75.606722][ T3087] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 75.614725][ T3087] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 75.622379][ T3087] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 75.631604][ T6672] device veth1_vlan entered promiscuous mode
[ 75.641840][ T6875] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 75.650793][ T6875] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 75.659168][ T6875] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 75.668524][ T6672] device veth0_macvtap entered promiscuous mode
[ 75.676064][ T6672] device veth1_macvtap entered promiscuous mode
[ 75.685542][ T6672] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 75.692739][ T3087] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 75.701487][ T3087] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 75.710338][ T6672] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 75.717775][ T6875] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 75.765935][ T6895] ubi0: attaching mtd0
[ 75.771059][ T6895] ubi0: scanning is finished
[ 75.776728][ T6895] ubi0: empty MTD device detected
[ 75.806494][ T6895] ubi0: attached mtd0 (name "mtdram test device", size 0 MiB)
[ 75.813980][ T6895] ubi0: PEB size: 4096 bytes (4 KiB), LEB size: 3968 bytes
[ 75.822415][ T6895] ubi0: min./max. I/O unit sizes: 1/64, sub-page size 1
[ 75.829542][ T6895] ubi0: VID header offset: 64 (aligned 64), data offset: 128
[ 75.837104][ T6895] ubi0: good PEBs: 32, bad PEBs: 0, corrupted PEBs: 0
[ 75.843849][ T6895] ubi0: user volume: 0, internal volumes: 1, max. volumes count: 23
[ 75.852257][ T6895] ubi0: max/mean erase counter: 0/0, WL threshold: 4096, image sequence number: 2998775434
[ 75.862411][ T6895] ubi0: available PEBs: 28, total reserved PEBs: 4, PEBs reserved for bad PEB handling: 0
[ 75.872489][ T6899] ubi0: background thread "ubi_bgt0d" started, PID 6899
2020/05/10 11:40:38 executed programs: 1
[ 81.490733][ T6904] ubi0: detaching mtd0
[ 81.495332][ T6904] ubi0: mtd0 is detached
[ 81.499672][ T6904] ubi0: attaching mtd0
[ 81.503831][ T6904] ubi0: scanning is finished
[ 81.555295][ T6904] ubi0: attached mtd0 (name "mtdram test device", size 0 MiB)
[ 81.562885][ T6904] ubi0: PEB size: 4096 bytes (4 KiB), LEB size: 3968 bytes
[ 81.570236][ T6904] ubi0: min./max. I/O unit sizes: 1/64, sub-page size 1
[ 81.577470][ T6904] ubi0: VID header offset: 64 (aligned 64), data offset: 128
[ 81.584916][ T6904] ubi0: good PEBs: 32, bad PEBs: 0, corrupted PEBs: 0
[ 81.591663][ T6904] ubi0: user volume: 0, internal volumes: 1, max. volumes count: 23
[ 81.599625][ T6904] ubi0: max/mean erase counter: 1/1, WL threshold: 4096, image sequence number: 2998775434
[ 81.609588][ T6904] ubi0: available PEBs: 28, total reserved PEBs: 4, PEBs reserved for bad PEB handling: 0
[ 81.619667][ T6908] ubi0: background thread "ubi_bgt0d" started, PID 6908
[ 81.631745][ T6910] ubi0: detaching mtd0
[ 81.636531][ T6910] ubi0: mtd0 is detached
[ 81.640876][ T6910] ubi0: attaching mtd0
[ 81.645367][ T6910] ubi0: scanning is finished
[ 81.714940][ T6910] ubi0: attached mtd0 (name "mtdram test device", size 0 MiB)
[ 81.722399][ T6910] ubi0: PEB size: 4096 bytes (4 KiB), LEB size: 3968 bytes
[ 81.730116][ T6910] ubi0: min./max. I/O unit sizes: 1/64, sub-page size 1
[ 81.737236][ T6910] ubi0: VID header offset: 64 (aligned 64), data offset: 128
[ 81.744775][ T6910] ubi0: good PEBs: 32, bad PEBs: 0, corrupted PEBs: 0
[ 81.751503][ T6910] ubi0: user volume: 0, internal volumes: 1, max. volumes count: 23
[ 81.759742][ T6910] ubi0: max/mean erase counter: 1/1, WL threshold: 4096, image sequence number: 2998775434
[ 81.769927][ T6910] ubi0: available PEBs: 28, total reserved PEBs: 4, PEBs reserved for bad PEB handling: 0
[ 81.780089][ T6915] ubi0: background thread "ubi_bgt0d" started, PID 6915
[ 87.152742][ T6918] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
BUG: memory leak
unreferenced object 0xffff888127d6b200 (size 32):
comm "syz-executor.0", pid 6895, jiffies 4294944852 (age 13.750s)
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:
[<00000000e5543147>] erase_aeb+0x25/0x110
[<0000000086ce03ed>] ubi_wl_init+0x193/0x5c0
[<000000001fdc6a80>] ubi_attach+0x611/0x18ba
[<00000000bf27f169>] ubi_attach_mtd_dev+0x665/0xcc0
[<000000005300b459>] ctrl_cdev_ioctl+0x144/0x1b0
[<00000000b1d6b365>] ksys_ioctl+0xa6/0xd0
[<00000000a06e6ed6>] __x64_sys_ioctl+0x1a/0x20
[<000000009097b81f>] do_syscall_64+0x6e/0x220
[<0000000012e008ba>] entry_SYSCALL_64_after_hwframe+0x44/0xa9