[ 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 '10.128.0.170' (ECDSA) to the list of known hosts. 2020/04/08 15:26:19 parsed 1 programs syzkaller login: [ 74.457457][ T3825] kmemleak: Automatic memory scanning thread ended 2020/04/08 15:26:28 executed programs: 0 [ 81.950066][ T25] audit: type=1400 audit(1586359588.755:8): avc: denied { execmem } for pid=6625 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 81.977682][ T6626] IPVS: ftp: loaded support on port[0] = 21 [ 82.002941][ T6626] chnl_net:caif_netlink_parms(): no params data found [ 82.027300][ T6626] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.035215][ T6626] bridge0: port 1(bridge_slave_0) entered disabled state [ 82.043098][ T6626] device bridge_slave_0 entered promiscuous mode [ 82.049955][ T6626] bridge0: port 2(bridge_slave_1) entered blocking state [ 82.057277][ T6626] bridge0: port 2(bridge_slave_1) entered disabled state [ 82.064695][ T6626] device bridge_slave_1 entered promiscuous mode [ 82.074665][ T6626] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 82.084457][ T6626] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 82.096634][ T6626] team0: Port device team_slave_0 added [ 82.102853][ T6626] team0: Port device team_slave_1 added [ 82.111749][ T6626] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 82.118805][ T6626] 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. [ 82.145173][ T6626] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 82.156527][ T6626] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 82.163670][ T6626] 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. [ 82.189903][ T6626] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 82.241593][ T6626] device hsr_slave_0 entered promiscuous mode [ 82.300778][ T6626] device hsr_slave_1 entered promiscuous mode [ 82.370201][ T6626] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 82.421479][ T6626] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 82.481486][ T6626] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 82.541521][ T6626] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 82.615443][ T6626] bridge0: port 2(bridge_slave_1) entered blocking state [ 82.622610][ T6626] bridge0: port 2(bridge_slave_1) entered forwarding state [ 82.629833][ T6626] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.636893][ T6626] bridge0: port 1(bridge_slave_0) entered forwarding state [ 82.653848][ T6626] 8021q: adding VLAN 0 to HW filter on device bond0 [ 82.662426][ T6829] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 82.669942][ T6829] bridge0: port 1(bridge_slave_0) entered disabled state [ 82.677489][ T6829] bridge0: port 2(bridge_slave_1) entered disabled state [ 82.685701][ T6829] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 82.694520][ T6626] 8021q: adding VLAN 0 to HW filter on device team0 [ 82.702505][ T3575] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 82.710992][ T3575] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.718000][ T3575] bridge0: port 1(bridge_slave_0) entered forwarding state [ 82.726542][ T6829] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 82.734834][ T6829] bridge0: port 2(bridge_slave_1) entered blocking state [ 82.741982][ T6829] bridge0: port 2(bridge_slave_1) entered forwarding state [ 82.752702][ T3575] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 82.761136][ T3575] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 82.769257][ T6829] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 82.778489][ T3575] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 82.790284][ T6626] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 82.801214][ T6626] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 82.808514][ T6829] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 82.819333][ T3575] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 82.827168][ T3575] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 82.836274][ T6626] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 82.846591][ T3575] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 82.858575][ T6626] device veth0_vlan entered promiscuous mode [ 82.864885][ T16] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 82.873042][ T16] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 82.880417][ T16] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 82.889414][ T6626] device veth1_vlan entered promiscuous mode [ 82.899604][ T3575] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 82.907475][ T3575] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 82.915190][ T3575] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 82.924240][ T6626] device veth0_macvtap entered promiscuous mode [ 82.931766][ T6626] device veth1_macvtap entered promiscuous mode [ 82.941204][ T6626] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 82.948424][ T16] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 82.957222][ T16] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 82.966491][ T6626] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 82.974022][ T3046] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 83.016342][ T6849] ubi0: attaching mtd0 [ 83.020778][ T6849] ubi0: scanning is finished [ 83.025386][ T6849] ubi0: empty MTD device detected [ 83.061492][ T6849] ubi0: attached mtd0 (name "mtdram test device", size 0 MiB) [ 83.068971][ T6849] ubi0: PEB size: 4096 bytes (4 KiB), LEB size: 3968 bytes [ 83.076754][ T6849] ubi0: min./max. I/O unit sizes: 1/64, sub-page size 1 [ 83.083910][ T6849] ubi0: VID header offset: 64 (aligned 64), data offset: 128 [ 83.091520][ T6849] ubi0: good PEBs: 32, bad PEBs: 0, corrupted PEBs: 0 [ 83.098285][ T6849] ubi0: user volume: 0, internal volumes: 1, max. volumes count: 23 [ 83.106668][ T6849] ubi0: max/mean erase counter: 0/0, WL threshold: 4096, image sequence number: 3936995426 [ 83.116889][ T6849] ubi0: available PEBs: 28, total reserved PEBs: 4, PEBs reserved for bad PEB handling: 0 [ 83.127002][ T6853] ubi0: background thread "ubi_bgt0d" started, PID 6853 2020/04/08 15:26:35 executed programs: 1 [ 88.730666][ T6859] ubi0: detaching mtd0 [ 88.735166][ T6859] ubi0: mtd0 is detached [ 88.739535][ T6859] ubi0: attaching mtd0 [ 88.743858][ T6859] ubi0: scanning is finished [ 88.780224][ T6859] ubi0: attached mtd0 (name "mtdram test device", size 0 MiB) [ 88.787703][ T6859] ubi0: PEB size: 4096 bytes (4 KiB), LEB size: 3968 bytes [ 88.795148][ T6859] ubi0: min./max. I/O unit sizes: 1/64, sub-page size 1 [ 88.802354][ T6859] ubi0: VID header offset: 64 (aligned 64), data offset: 128 [ 88.809847][ T6859] ubi0: good PEBs: 32, bad PEBs: 0, corrupted PEBs: 0 [ 88.816577][ T6859] ubi0: user volume: 0, internal volumes: 1, max. volumes count: 23 [ 88.824786][ T6859] ubi0: max/mean erase counter: 1/1, WL threshold: 4096, image sequence number: 3936995426 [ 88.835048][ T6859] ubi0: available PEBs: 28, total reserved PEBs: 4, PEBs reserved for bad PEB handling: 0 [ 88.845260][ T6862] ubi0: background thread "ubi_bgt0d" started, PID 6862 [ 88.857342][ T6865] ubi0: detaching mtd0 [ 88.861841][ T6865] ubi0: mtd0 is detached [ 88.866190][ T6865] ubi0: attaching mtd0 [ 88.870783][ T6865] ubi0: scanning is finished [ 88.900071][ T6865] ubi0: attached mtd0 (name "mtdram test device", size 0 MiB) [ 88.907568][ T6865] ubi0: PEB size: 4096 bytes (4 KiB), LEB size: 3968 bytes [ 88.914930][ T6865] ubi0: min./max. I/O unit sizes: 1/64, sub-page size 1 [ 88.922142][ T6865] ubi0: VID header offset: 64 (aligned 64), data offset: 128 [ 88.929500][ T6865] ubi0: good PEBs: 32, bad PEBs: 0, corrupted PEBs: 0 [ 88.936268][ T6865] ubi0: user volume: 0, internal volumes: 1, max. volumes count: 23 [ 88.944250][ T6865] ubi0: max/mean erase counter: 1/1, WL threshold: 4096, image sequence number: 3936995426 [ 88.954447][ T6865] ubi0: available PEBs: 28, total reserved PEBs: 4, PEBs reserved for bad PEB handling: 0 [ 88.964476][ T6871] ubi0: background thread "ubi_bgt0d" started, PID 6871 [ 92.199260][ T0] NOHZ: local_softirq_pending 08 2020/04/08 15:26:41 executed programs: 3 [ 94.582304][ T6876] ubi0: detaching mtd0 [ 94.586828][ T6876] ubi0: mtd0 is detached [ 94.591747][ T6876] ubi0: attaching mtd0 [ 94.596495][ T6876] ubi0: scanning is finished [ 94.629672][ T6876] ubi0: attached mtd0 (name "mtdram test device", size 0 MiB) [ 94.637150][ T6876] ubi0: PEB size: 4096 bytes (4 KiB), LEB size: 3968 bytes [ 94.644437][ T6876] ubi0: min./max. I/O unit sizes: 1/64, sub-page size 1 [ 94.651485][ T6876] ubi0: VID header offset: 64 (aligned 64), data offset: 128 [ 94.658903][ T6876] ubi0: good PEBs: 32, bad PEBs: 0, corrupted PEBs: 0 [ 94.665630][ T6876] ubi0: user volume: 0, internal volumes: 1, max. volumes count: 23 [ 94.673641][ T6876] ubi0: max/mean erase counter: 1/1, WL threshold: 4096, image sequence number: 3936995426 [ 94.683652][ T6876] ubi0: available PEBs: 28, total reserved PEBs: 4, PEBs reserved for bad PEB handling: 0 [ 94.693559][ T6880] ubi0: background thread "ubi_bgt0d" started, PID 6880 [ 94.705383][ T6882] ubi0: detaching mtd0 [ 94.709861][ T6882] ubi0: mtd0 is detached [ 94.714208][ T6882] ubi0: attaching mtd0 [ 94.718436][ T6882] ubi0: scanning is finished [ 94.749480][ T6882] ubi0: attached mtd0 (name "mtdram test device", size 0 MiB) [ 94.757036][ T6882] ubi0: PEB size: 4096 bytes (4 KiB), LEB size: 3968 bytes [ 94.764577][ T6882] ubi0: min./max. I/O unit sizes: 1/64, sub-page size 1 [ 94.771795][ T6882] ubi0: VID header offset: 64 (aligned 64), data offset: 128 [ 94.779486][ T6882] ubi0: good PEBs: 32, bad PEBs: 0, corrupted PEBs: 0 [ 94.786230][ T6882] ubi0: user volume: 0, internal volumes: 1, max. volumes count: 23 [ 94.794552][ T6882] ubi0: max/mean erase counter: 1/1, WL threshold: 4096, image sequence number: 3936995426 [ 94.804682][ T6882] ubi0: available PEBs: 28, total reserved PEBs: 4, PEBs reserved for bad PEB handling: 0 [ 94.814717][ T6888] ubi0: background thread "ubi_bgt0d" started, PID 6888 2020/04/08 15:26:47 executed programs: 5 [ 100.447998][ T6893] ubi0: detaching mtd0 [ 100.452831][ T6893] ubi0: mtd0 is detached [ 100.457290][ T6893] ubi0: attaching mtd0 [ 100.461833][ T6893] ubi0: scanning is finished [ 100.489151][ T6893] ubi0: attached mtd0 (name "mtdram test device", size 0 MiB) [ 100.496820][ T6893] ubi0: PEB size: 4096 bytes (4 KiB), LEB size: 3968 bytes [ 100.504765][ T6893] ubi0: min./max. I/O unit sizes: 1/64, sub-page size 1 [ 100.512763][ T6893] ubi0: VID header offset: 64 (aligned 64), data offset: 128 [ 100.520760][ T6893] ubi0: good PEBs: 32, bad PEBs: 0, corrupted PEBs: 0 [ 100.527878][ T6893] ubi0: user volume: 0, internal volumes: 1, max. volumes count: 23 [ 100.536196][ T6893] ubi0: max/mean erase counter: 1/1, WL threshold: 4096, image sequence number: 3936995426 [ 100.547259][ T6893] ubi0: available PEBs: 28, total reserved PEBs: 4, PEBs reserved for bad PEB handling: 0 [ 100.557929][ T6896] ubi0: background thread "ubi_bgt0d" started, PID 6896 [ 100.570506][ T6899] ubi0: detaching mtd0 [ 100.575389][ T6899] ubi0: mtd0 is detached [ 100.580116][ T6899] ubi0: attaching mtd0 [ 100.584397][ T6899] ubi0: scanning is finished [ 100.618982][ T6899] ubi0: attached mtd0 (name "mtdram test device", size 0 MiB) [ 100.626683][ T6899] ubi0: PEB size: 4096 bytes (4 KiB), LEB size: 3968 bytes [ 100.634165][ T6899] ubi0: min./max. I/O unit sizes: 1/64, sub-page size 1 [ 100.642477][ T6899] ubi0: VID header offset: 64 (aligned 64), data offset: 128 [ 100.650635][ T6899] ubi0: good PEBs: 32, bad PEBs: 0, corrupted PEBs: 0 [ 100.658027][ T6899] ubi0: user volume: 0, internal volumes: 1, max. volumes count: 23 [ 100.666147][ T6899] ubi0: max/mean erase counter: 1/1, WL threshold: 4096, image sequence number: 3936995426 [ 100.676300][ T6899] ubi0: available PEBs: 28, total reserved PEBs: 4, PEBs reserved for bad PEB handling: 0 [ 100.686424][ T6905] ubi0: background thread "ubi_bgt0d" started, PID 6905 2020/04/08 15:26:53 executed programs: 7 [ 106.349825][ T6910] ubi0: detaching mtd0 [ 106.354288][ T6910] ubi0: mtd0 is detached [ 106.358896][ T6910] ubi0: attaching mtd0 [ 106.363082][ T6910] ubi0: scanning is finished [ 106.408351][ T6910] ubi0: attached mtd0 (name "mtdram test device", size 0 MiB) [ 106.415827][ T6910] ubi0: PEB size: 4096 bytes (4 KiB), LEB size: 3968 bytes [ 106.423330][ T6910] ubi0: min./max. I/O unit sizes: 1/64, sub-page size 1 [ 106.430634][ T6910] ubi0: VID header offset: 64 (aligned 64), data offset: 128 [ 106.438141][ T6910] ubi0: good PEBs: 32, bad PEBs: 0, corrupted PEBs: 0 [ 106.444905][ T6910] ubi0: user volume: 0, internal volumes: 1, max. volumes count: 23 [ 106.453184][ T6910] ubi0: max/mean erase counter: 1/1, WL threshold: 4096, image sequence number: 3936995426 [ 106.463533][ T6910] ubi0: available PEBs: 28, total reserved PEBs: 4, PEBs reserved for bad PEB handling: 0 [ 106.473686][ T6914] ubi0: background thread "ubi_bgt0d" started, PID 6914 [ 106.484461][ T6916] ubi0: detaching mtd0 [ 106.489267][ T6916] ubi0: mtd0 is detached [ 106.493770][ T6916] ubi0: attaching mtd0 [ 106.498811][ T6916] ubi0: scanning is finished [ 106.558439][ T6916] ubi0: attached mtd0 (name "mtdram test device", size 0 MiB) [ 106.565992][ T6916] ubi0: PEB size: 4096 bytes (4 KiB), LEB size: 3968 bytes [ 106.573633][ T6916] ubi0: min./max. I/O unit sizes: 1/64, sub-page size 1 [ 106.580800][ T6916] ubi0: VID header offset: 64 (aligned 64), data offset: 128 [ 106.588320][ T6916] ubi0: good PEBs: 32, bad PEBs: 0, corrupted PEBs: 0 [ 106.595056][ T6916] ubi0: user volume: 0, internal volumes: 1, max. volumes count: 23 [ 106.603307][ T6916] ubi0: max/mean erase counter: 1/1, WL threshold: 4096, image sequence number: 3936995426 [ 106.613678][ T6916] ubi0: available PEBs: 28, total reserved PEBs: 4, PEBs reserved for bad PEB handling: 0 [ 106.623848][ T6921] ubi0: background thread "ubi_bgt0d" started, PID 6921 2020/04/08 15:26:59 executed programs: 9 [ 112.265341][ T6927] ubi0: detaching mtd0 [ 112.270043][ T6927] ubi0: mtd0 is detached [ 112.274405][ T6927] ubi0: attaching mtd0 [ 112.278679][ T6927] ubi0: scanning is finished [ 112.307976][ T6927] ubi0: attached mtd0 (name "mtdram test device", size 0 MiB) [ 112.315491][ T6927] ubi0: PEB size: 4096 bytes (4 KiB), LEB size: 3968 bytes [ 112.322912][ T6927] ubi0: min./max. I/O unit sizes: 1/64, sub-page size 1 [ 112.329890][ T6927] ubi0: VID header offset: 64 (aligned 64), data offset: 128 [ 112.337325][ T6927] ubi0: good PEBs: 32, bad PEBs: 0, corrupted PEBs: 0 [ 112.344164][ T6927] ubi0: user volume: 0, internal volumes: 1, max. volumes count: 23 [ 112.352145][ T6927] ubi0: max/mean erase counter: 1/1, WL threshold: 4096, image sequence number: 3936995426 [ 112.362376][ T6927] ubi0: available PEBs: 28, total reserved PEBs: 4, PEBs reserved for bad PEB handling: 0 [ 112.372560][ T6931] ubi0: background thread "ubi_bgt0d" started, PID 6931 [ 112.384635][ T6933] ubi0: detaching mtd0 [ 112.389281][ T6933] ubi0: mtd0 is detached [ 112.393668][ T6933] ubi0: attaching mtd0 [ 112.398334][ T6933] ubi0: scanning is finished [ 112.428521][ T6933] ubi0: attached mtd0 (name "mtdram test device", size 0 MiB) [ 112.436135][ T6933] ubi0: PEB size: 4096 bytes (4 KiB), LEB size: 3968 bytes [ 112.444017][ T6933] ubi0: min./max. I/O unit sizes: 1/64, sub-page size 1 [ 112.451422][ T6933] ubi0: VID header offset: 64 (aligned 64), data offset: 128 [ 112.459021][ T6933] ubi0: good PEBs: 32, bad PEBs: 0, corrupted PEBs: 0 [ 112.465764][ T6933] ubi0: user volume: 0, internal volumes: 1, max. volumes count: 23 [ 112.474061][ T6933] ubi0: max/mean erase counter: 1/1, WL threshold: 4096, image sequence number: 3936995426 [ 112.484288][ T6933] ubi0: available PEBs: 28, total reserved PEBs: 4, PEBs reserved for bad PEB handling: 0 [ 112.494631][ T6938] ubi0: background thread "ubi_bgt0d" started, PID 6938 2020/04/08 15:27:04 executed programs: 11 [ 118.138532][ T6944] ubi0: detaching mtd0 [ 118.143020][ T6944] ubi0: mtd0 is detached [ 118.147545][ T6944] ubi0: attaching mtd0 [ 118.151749][ T6944] ubi0: scanning is finished [ 118.197552][ T6944] ubi0: attached mtd0 (name "mtdram test device", size 0 MiB) [ 118.205137][ T6944] ubi0: PEB size: 4096 bytes (4 KiB), LEB size: 3968 bytes [ 118.212736][ T6944] ubi0: min./max. I/O unit sizes: 1/64, sub-page size 1 [ 118.219867][ T6944] ubi0: VID header offset: 64 (aligned 64), data offset: 128 [ 118.227430][ T6944] ubi0: good PEBs: 32, bad PEBs: 0, corrupted PEBs: 0 [ 118.234180][ T6944] ubi0: user volume: 0, internal volumes: 1, max. volumes count: 23 [ 118.242547][ T6944] ubi0: max/mean erase counter: 1/1, WL threshold: 4096, image sequence number: 3936995426 [ 118.252757][ T6944] ubi0: available PEBs: 28, total reserved PEBs: 4, PEBs reserved for bad PEB handling: 0 [ 118.262899][ T6948] ubi0: background thread "ubi_bgt0d" started, PID 6948 [ 118.274631][ T6950] ubi0: detaching mtd0 [ 118.279172][ T6950] ubi0: mtd0 is detached [ 118.283587][ T6950] ubi0: attaching mtd0 [ 118.288282][ T6950] ubi0: scanning is finished [ 118.337546][ T6950] ubi0: attached mtd0 (name "mtdram test device", size 0 MiB) [ 118.345069][ T6950] ubi0: PEB size: 4096 bytes (4 KiB), LEB size: 3968 bytes [ 118.352671][ T6950] ubi0: min./max. I/O unit sizes: 1/64, sub-page size 1 [ 118.360092][ T6950] ubi0: VID header offset: 64 (aligned 64), data offset: 128 [ 118.367470][ T6950] ubi0: good PEBs: 32, bad PEBs: 0, corrupted PEBs: 0 [ 118.374210][ T6950] ubi0: user volume: 0, internal volumes: 1, max. volumes count: 23 [ 118.382253][ T6950] ubi0: max/mean erase counter: 1/1, WL threshold: 4096, image sequence number: 3936995426 [ 118.392278][ T6950] ubi0: available PEBs: 28, total reserved PEBs: 4, PEBs reserved for bad PEB handling: 0 [ 118.402380][ T6956] ubi0: background thread "ubi_bgt0d" started, PID 6956 2020/04/08 15:27:10 executed programs: 13 [ 124.045296][ T6961] ubi0: detaching mtd0 [ 124.049942][ T6961] ubi0: mtd0 is detached [ 124.054283][ T6961] ubi0: attaching mtd0 [ 124.058933][ T6961] ubi0: scanning is finished [ 124.087161][ T6961] ubi0: attached mtd0 (name "mtdram test device", size 0 MiB) [ 124.094667][ T6961] ubi0: PEB size: 4096 bytes (4 KiB), LEB size: 3968 bytes [ 124.102225][ T6961] ubi0: min./max. I/O unit sizes: 1/64, sub-page size 1 [ 124.109317][ T6961] ubi0: VID header offset: 64 (aligned 64), data offset: 128 [ 124.116827][ T6961] ubi0: good PEBs: 32, bad PEBs: 0, corrupted PEBs: 0 [ 124.123578][ T6961] ubi0: user volume: 0, internal volumes: 1, max. volumes count: 23 [ 124.131769][ T6961] ubi0: max/mean erase counter: 1/1, WL threshold: 4096, image sequence number: 3936995426 [ 124.142058][ T6961] ubi0: available PEBs: 28, total reserved PEBs: 4, PEBs reserved for bad PEB handling: 0 [ 124.152136][ T6965] ubi0: background thread "ubi_bgt0d" started, PID 6965 [ 124.162997][ T6967] ubi0: detaching mtd0 [ 124.167446][ T6967] ubi0: mtd0 is detached [ 124.171791][ T6967] ubi0: attaching mtd0 [ 124.176030][ T6967] ubi0: scanning is finished [ 124.206979][ T6967] ubi0: attached mtd0 (name "mtdram test device", size 0 MiB) [ 124.214479][ T6967] ubi0: PEB size: 4096 bytes (4 KiB), LEB size: 3968 bytes [ 124.222373][ T6967] ubi0: min./max. I/O unit sizes: 1/64, sub-page size 1 [ 124.229498][ T6967] ubi0: VID header offset: 64 (aligned 64), data offset: 128 [ 124.237057][ T6967] ubi0: good PEBs: 32, bad PEBs: 0, corrupted PEBs: 0 [ 124.243795][ T6967] ubi0: user volume: 0, internal volumes: 1, max. volumes count: 23 [ 124.252096][ T6967] ubi0: max/mean erase counter: 1/1, WL threshold: 4096, image sequence number: 3936995426 [ 124.262527][ T6967] ubi0: available PEBs: 28, total reserved PEBs: 4, PEBs reserved for bad PEB handling: 0 [ 124.272905][ T6973] ubi0: background thread "ubi_bgt0d" started, PID 6973 2020/04/08 15:27:16 executed programs: 15 [ 129.889321][ T6978] ubi0: detaching mtd0 [ 129.893910][ T6978] ubi0: mtd0 is detached [ 129.898688][ T6978] ubi0: attaching mtd0 [ 129.902885][ T6978] ubi0: scanning is finished [ 129.936794][ T6978] ubi0: attached mtd0 (name "mtdram test device", size 0 MiB) [ 129.944299][ T6978] ubi0: PEB size: 4096 bytes (4 KiB), LEB size: 3968 bytes [ 129.951569][ T6978] ubi0: min./max. I/O unit sizes: 1/64, sub-page size 1 [ 129.958778][ T6978] ubi0: VID header offset: 64 (aligned 64), data offset: 128 [ 129.966171][ T6978] ubi0: good PEBs: 32, bad PEBs: 0, corrupted PEBs: 0 [ 129.972901][ T6978] ubi0: user volume: 0, internal volumes: 1, max. volumes count: 23 [ 129.980888][ T6978] ubi0: max/mean erase counter: 1/1, WL threshold: 4096, image sequence number: 3936995426 [ 129.990862][ T6978] ubi0: available PEBs: 28, total reserved PEBs: 4, PEBs reserved for bad PEB handling: 0 [ 130.000939][ T6982] ubi0: background thread "ubi_bgt0d" started, PID 6982 [ 130.012816][ T6984] ubi0: detaching mtd0 [ 130.017621][ T6984] ubi0: mtd0 is detached [ 130.021994][ T6984] ubi0: attaching mtd0 [ 130.026495][ T6984] ubi0: scanning is finished [ 130.096610][ T6984] ubi0: attached mtd0 (name "mtdram test device", size 0 MiB) [ 130.104128][ T6984] ubi0: PEB size: 4096 bytes (4 KiB), LEB size: 3968 bytes [ 130.111620][ T6984] ubi0: min./max. I/O unit sizes: 1/64, sub-page size 1 [ 130.118563][ T6984] ubi0: VID header offset: 64 (aligned 64), data offset: 128 [ 130.125910][ T6984] ubi0: good PEBs: 32, bad PEBs: 0, corrupted PEBs: 0 [ 130.132779][ T6984] ubi0: user volume: 0, internal volumes: 1, max. volumes count: 23 [ 130.141418][ T6984] ubi0: max/mean erase counter: 1/1, WL threshold: 4096, image sequence number: 3936995426 [ 130.151434][ T6984] ubi0: available PEBs: 28, total reserved PEBs: 4, PEBs reserved for bad PEB handling: 0 [ 130.161353][ T6990] ubi0: background thread "ubi_bgt0d" started, PID 6990 [ 133.156064][ T0] NOHZ: local_softirq_pending 08 2020/04/08 15:27:22 executed programs: 17 [ 135.791936][ T6995] ubi0: detaching mtd0 [ 135.796531][ T6995] ubi0: mtd0 is detached [ 135.800869][ T6995] ubi0: attaching mtd0 [ 135.805076][ T6995] ubi0: scanning is finished [ 135.846560][ T6995] ubi0: attached mtd0 (name "mtdram test device", size 0 MiB) [ 135.854039][ T6995] ubi0: PEB size: 4096 bytes (4 KiB), LEB size: 3968 bytes [ 135.861516][ T6995] ubi0: min./max. I/O unit sizes: 1/64, sub-page size 1 [ 135.868691][ T6995] ubi0: VID header offset: 64 (aligned 64), data offset: 128 [ 135.876327][ T6995] ubi0: good PEBs: 32, bad PEBs: 0, corrupted PEBs: 0 [ 135.883075][ T6995] ubi0: user volume: 0, internal volumes: 1, max. volumes count: 23 [ 135.891406][ T6995] ubi0: max/mean erase counter: 1/1, WL threshold: 4096, image sequence number: 3936995426 [ 135.901680][ T6995] ubi0: available PEBs: 28, total reserved PEBs: 4, PEBs reserved for bad PEB handling: 0 [ 135.911959][ T6999] ubi0: background thread "ubi_bgt0d" started, PID 6999 [ 135.923146][ T7001] ubi0: detaching mtd0 [ 135.927653][ T7001] ubi0: mtd0 is detached [ 135.932024][ T7001] ubi0: attaching mtd0 [ 135.936904][ T7001] ubi0: scanning is finished [ 135.996366][ T7001] ubi0: attached mtd0 (name "mtdram test device", size 0 MiB) [ 136.003872][ T7001] ubi0: PEB size: 4096 bytes (4 KiB), LEB size: 3968 bytes [ 136.011599][ T7001] ubi0: min./max. I/O unit sizes: 1/64, sub-page size 1 [ 136.018706][ T7001] ubi0: VID header offset: 64 (aligned 64), data offset: 128 [ 136.026228][ T7001] ubi0: good PEBs: 32, bad PEBs: 0, corrupted PEBs: 0 [ 136.032976][ T7001] ubi0: user volume: 0, internal volumes: 1, max. volumes count: 23 [ 136.041316][ T7001] ubi0: max/mean erase counter: 1/1, WL threshold: 4096, image sequence number: 3936995426 [ 136.051491][ T7001] ubi0: available PEBs: 28, total reserved PEBs: 4, PEBs reserved for bad PEB handling: 0 [ 136.061752][ T7007] ubi0: background thread "ubi_bgt0d" started, PID 7007 2020/04/08 15:27:28 executed programs: 19 [ 141.686156][ T7012] ubi0: detaching mtd0 [ 141.690733][ T7012] ubi0: mtd0 is detached [ 141.695255][ T7012] ubi0: attaching mtd0 [ 141.699852][ T7012] ubi0: scanning is finished [ 141.746064][ T7012] ubi0: attached mtd0 (name "mtdram test device", size 0 MiB) [ 141.753573][ T7012] ubi0: PEB size: 4096 bytes (4 KiB), LEB size: 3968 bytes [ 141.760916][ T7012] ubi0: min./max. I/O unit sizes: 1/64, sub-page size 1 [ 141.767949][ T7012] ubi0: VID header offset: 64 (aligned 64), data offset: 128 [ 141.775408][ T7012] ubi0: good PEBs: 32, bad PEBs: 0, corrupted PEBs: 0 [ 141.782171][ T7012] ubi0: user volume: 0, internal volumes: 1, max. volumes count: 23 [ 141.790155][ T7012] ubi0: max/mean erase counter: 1/1, WL threshold: 4096, image sequence number: 3936995426 [ 141.800239][ T7012] ubi0: available PEBs: 28, total reserved PEBs: 4, PEBs reserved for bad PEB handling: 0 [ 141.810227][ T7015] ubi0: background thread "ubi_bgt0d" started, PID 7015 [ 141.822469][ T7018] ubi0: detaching mtd0 [ 141.827322][ T7018] ubi0: mtd0 is detached [ 141.831704][ T7018] ubi0: attaching mtd0 [ 141.836567][ T7018] ubi0: scanning is finished [ 141.866071][ T7018] ubi0: attached mtd0 (name "mtdram test device", size 0 MiB) [ 141.873563][ T7018] ubi0: PEB size: 4096 bytes (4 KiB), LEB size: 3968 bytes [ 141.880942][ T7018] ubi0: min./max. I/O unit sizes: 1/64, sub-page size 1 [ 141.887904][ T7018] ubi0: VID header offset: 64 (aligned 64), data offset: 128 [ 141.895274][ T7018] ubi0: good PEBs: 32, bad PEBs: 0, corrupted PEBs: 0 [ 141.902039][ T7018] ubi0: user volume: 0, internal volumes: 1, max. volumes count: 23 [ 141.910030][ T7018] ubi0: max/mean erase counter: 1/1, WL threshold: 4096, image sequence number: 3936995426 [ 141.920100][ T7018] ubi0: available PEBs: 28, total reserved PEBs: 4, PEBs reserved for bad PEB handling: 0 [ 141.930107][ T7023] ubi0: background thread "ubi_bgt0d" started, PID 7023 2020/04/08 15:27:34 executed programs: 21 [ 147.573845][ T7029] ubi0: detaching mtd0 [ 147.578342][ T7029] ubi0: mtd0 is detached [ 147.582690][ T7029] ubi0: attaching mtd0 [ 147.587267][ T7029] ubi0: scanning is finished [ 147.626018][ T7029] ubi0: attached mtd0 (name "mtdram test device", size 0 MiB) [ 147.633510][ T7029] ubi0: PEB size: 4096 bytes (4 KiB), LEB size: 3968 bytes [ 147.641224][ T7029] ubi0: min./max. I/O unit sizes: 1/64, sub-page size 1 [ 147.648464][ T7029] ubi0: VID header offset: 64 (aligned 64), data offset: 128 [ 147.656201][ T7029] ubi0: good PEBs: 32, bad PEBs: 0, corrupted PEBs: 0 [ 147.662948][ T7029] ubi0: user volume: 0, internal volumes: 1, max. volumes count: 23 [ 147.671318][ T7029] ubi0: max/mean erase counter: 1/1, WL threshold: 4096, image sequence number: 3936995426 [ 147.681687][ T7029] ubi0: available PEBs: 28, total reserved PEBs: 4, PEBs reserved for bad PEB handling: 0 [ 147.691820][ T7033] ubi0: background thread "ubi_bgt0d" started, PID 7033 [ 147.703465][ T7035] ubi0: detaching mtd0 [ 147.707952][ T7035] ubi0: mtd0 is detached [ 147.712356][ T7035] ubi0: attaching mtd0 [ 147.717162][ T7035] ubi0: scanning is finished [ 147.755969][ T7035] ubi0: attached mtd0 (name "mtdram test device", size 0 MiB) [ 147.763484][ T7035] ubi0: PEB size: 4096 bytes (4 KiB), LEB size: 3968 bytes [ 147.771322][ T7035] ubi0: min./max. I/O unit sizes: 1/64, sub-page size 1 [ 147.778365][ T7035] ubi0: VID header offset: 64 (aligned 64), data offset: 128 [ 147.785796][ T7035] ubi0: good PEBs: 32, bad PEBs: 0, corrupted PEBs: 0 [ 147.792689][ T7035] ubi0: user volume: 0, internal volumes: 1, max. volumes count: 23 [ 147.800688][ T7035] ubi0: max/mean erase counter: 1/1, WL threshold: 4096, image sequence number: 3936995426 [ 147.810712][ T7035] ubi0: available PEBs: 28, total reserved PEBs: 4, PEBs reserved for bad PEB handling: 0 [ 147.820602][ T7040] ubi0: background thread "ubi_bgt0d" started, PID 7040 [ 153.299562][ T7043] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 153.635075][ T0] NOHZ: local_softirq_pending 08 BUG: memory leak unreferenced object 0xffff88811ffbdd80 (size 32): comm "syz-executor.0", pid 6849, jiffies 4294945579 (age 72.690s) 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: [<00000000e0b3afca>] erase_aeb+0x25/0x110 [<0000000070b74b79>] ubi_wl_init+0x193/0x5c0 [<0000000061f84463>] ubi_attach+0x611/0x18ba [<0000000071e96c59>] ubi_attach_mtd_dev+0x665/0xcc0 [<00000000468bb31f>] ctrl_cdev_ioctl+0x144/0x1b0 [<000000004838d116>] ksys_ioctl+0xa6/0xd0 [<00000000a44ce2dc>] __x64_sys_ioctl+0x1a/0x20 [<00000000fef9251a>] do_syscall_64+0x6e/0x220 [<000000009a93965d>] entry_SYSCALL_64_after_hwframe+0x44/0xa9