[ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.29' (ECDSA) to the list of known hosts. 2020/04/12 07:15:39 parsed 1 programs syzkaller login: [ 83.678391][ T3835] kmemleak: Automatic memory scanning thread ended 2020/04/12 07:15:49 executed programs: 0 [ 91.891026][ T26] audit: type=1400 audit(1586675749.538:8): avc: denied { execmem } for pid=6677 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 91.899544][ T6678] IPVS: ftp: loaded support on port[0] = 21 [ 91.942475][ T6678] chnl_net:caif_netlink_parms(): no params data found [ 91.965605][ T6678] bridge0: port 1(bridge_slave_0) entered blocking state [ 91.972935][ T6678] bridge0: port 1(bridge_slave_0) entered disabled state [ 91.980520][ T6678] device bridge_slave_0 entered promiscuous mode [ 91.987529][ T6678] bridge0: port 2(bridge_slave_1) entered blocking state [ 91.994792][ T6678] bridge0: port 2(bridge_slave_1) entered disabled state [ 92.002158][ T6678] device bridge_slave_1 entered promiscuous mode [ 92.012984][ T6678] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 92.023040][ T6678] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 92.036036][ T6678] team0: Port device team_slave_0 added [ 92.042127][ T6678] team0: Port device team_slave_1 added [ 92.051690][ T6678] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 92.059019][ T6678] 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. [ 92.085138][ T6678] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 92.096203][ T6678] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 92.103134][ T6678] 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. [ 92.129244][ T6678] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 92.234347][ T6678] device hsr_slave_0 entered promiscuous mode [ 92.273584][ T6678] device hsr_slave_1 entered promiscuous mode [ 92.353079][ T6678] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 92.424539][ T6678] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 92.504399][ T6678] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 92.584431][ T6678] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 92.628500][ T6678] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.635591][ T6678] bridge0: port 2(bridge_slave_1) entered forwarding state [ 92.642834][ T6678] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.650142][ T6678] bridge0: port 1(bridge_slave_0) entered forwarding state [ 92.668144][ T6678] 8021q: adding VLAN 0 to HW filter on device bond0 [ 92.677361][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 92.685405][ T2710] bridge0: port 1(bridge_slave_0) entered disabled state [ 92.692779][ T2710] bridge0: port 2(bridge_slave_1) entered disabled state [ 92.700335][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 92.709841][ T6678] 8021q: adding VLAN 0 to HW filter on device team0 [ 92.718114][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 92.726703][ T25] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.733765][ T25] bridge0: port 1(bridge_slave_0) entered forwarding state [ 92.748636][ T6678] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 92.759300][ T6678] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 92.770369][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 92.779158][ T2710] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.786519][ T2710] bridge0: port 2(bridge_slave_1) entered forwarding state [ 92.794557][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 92.802627][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 92.811006][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 92.819090][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 92.827400][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 92.834874][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 92.846397][ T6678] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 92.853391][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 92.860723][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 92.872122][ T3061] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 92.884173][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 92.892122][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 92.900330][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 92.908936][ T6678] device veth0_vlan entered promiscuous mode [ 92.917131][ T6678] device veth1_vlan entered promiscuous mode [ 92.928273][ T3061] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 92.936916][ T3061] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 92.945170][ T3061] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 92.954739][ T6678] device veth0_macvtap entered promiscuous mode [ 92.962294][ T6678] device veth1_macvtap entered promiscuous mode [ 92.972146][ T6678] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 92.979662][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 92.988315][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 92.997865][ T6678] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 93.005669][ T3061] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 93.014136][ T3061] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 93.061100][ T6901] ubi0: attaching mtd0 [ 93.065661][ T6901] ubi0: scanning is finished [ 93.070411][ T6901] ubi0: empty MTD device detected [ 93.114259][ T6901] ubi0: attached mtd0 (name "mtdram test device", size 0 MiB) [ 93.121795][ T6901] ubi0: PEB size: 4096 bytes (4 KiB), LEB size: 3968 bytes [ 93.129470][ T6901] ubi0: min./max. I/O unit sizes: 1/64, sub-page size 1 [ 93.136635][ T6901] ubi0: VID header offset: 64 (aligned 64), data offset: 128 [ 93.144460][ T6901] ubi0: good PEBs: 32, bad PEBs: 0, corrupted PEBs: 0 [ 93.151198][ T6901] ubi0: user volume: 0, internal volumes: 1, max. volumes count: 23 [ 93.159264][ T6901] ubi0: max/mean erase counter: 0/0, WL threshold: 4096, image sequence number: 2692125327 [ 93.172216][ T6901] ubi0: available PEBs: 28, total reserved PEBs: 4, PEBs reserved for bad PEB handling: 0 [ 93.182402][ T6905] ubi0: background thread "ubi_bgt0d" started, PID 6905 2020/04/12 07:15:57 executed programs: 1 [ 99.802089][ T6910] ubi0: detaching mtd0 [ 99.807325][ T6910] ubi0: mtd0 is detached [ 99.811819][ T6910] ubi0: attaching mtd0 [ 99.817174][ T6910] ubi0: scanning is finished [ 99.853324][ T6910] ubi0: attached mtd0 (name "mtdram test device", size 0 MiB) [ 99.860919][ T6910] ubi0: PEB size: 4096 bytes (4 KiB), LEB size: 3968 bytes [ 99.869240][ T6910] ubi0: min./max. I/O unit sizes: 1/64, sub-page size 1 [ 99.876791][ T6910] ubi0: VID header offset: 64 (aligned 64), data offset: 128 [ 99.885107][ T6910] ubi0: good PEBs: 32, bad PEBs: 0, corrupted PEBs: 0 [ 99.892371][ T6910] ubi0: user volume: 0, internal volumes: 1, max. volumes count: 23 [ 99.901860][ T6910] ubi0: max/mean erase counter: 1/1, WL threshold: 4096, image sequence number: 2692125327 [ 99.912310][ T6910] ubi0: available PEBs: 28, total reserved PEBs: 4, PEBs reserved for bad PEB handling: 0 [ 99.923650][ T6914] ubi0: background thread "ubi_bgt0d" started, PID 6914 [ 99.937870][ T6916] ubi0: detaching mtd0 [ 99.942826][ T6916] ubi0: mtd0 is detached [ 99.947598][ T6916] ubi0: attaching mtd0 [ 99.951989][ T6916] ubi0: scanning is finished [ 99.987420][ T6916] ubi0: attached mtd0 (name "mtdram test device", size 0 MiB) [ 99.999364][ T6916] ubi0: PEB size: 4096 bytes (4 KiB), LEB size: 3968 bytes [ 100.007028][ T6916] ubi0: min./max. I/O unit sizes: 1/64, sub-page size 1 [ 100.014145][ T6916] ubi0: VID header offset: 64 (aligned 64), data offset: 128 [ 100.022038][ T6916] ubi0: good PEBs: 32, bad PEBs: 0, corrupted PEBs: 0 [ 100.031238][ T6916] ubi0: user volume: 0, internal volumes: 1, max. volumes count: 23 [ 100.039595][ T6916] ubi0: max/mean erase counter: 1/1, WL threshold: 4096, image sequence number: 2692125327 [ 100.049680][ T6916] ubi0: available PEBs: 28, total reserved PEBs: 4, PEBs reserved for bad PEB handling: 0 [ 100.060294][ T6922] ubi0: background thread "ubi_bgt0d" started, PID 6922 [ 106.295616][ T6923] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff888127d04580 (size 32): comm "syz-executor.0", pid 6901, jiffies 4294946574 (age 16.090s) 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: [<0000000040ebab8b>] erase_aeb+0x25/0x110 [<00000000ab21e9b9>] ubi_wl_init+0x193/0x5c0 [<00000000257c94ff>] ubi_attach+0x611/0x18ba [<00000000269603da>] ubi_attach_mtd_dev+0x665/0xcc0 [<000000004b8a8a4a>] ctrl_cdev_ioctl+0x144/0x1b0 [<00000000832f8bd8>] ksys_ioctl+0xa6/0xd0 [<000000006d0b027f>] __x64_sys_ioctl+0x1a/0x20 [<000000004dff9286>] do_syscall_64+0x6e/0x220 [<000000001cf3136e>] entry_SYSCALL_64_after_hwframe+0x44/0xa9