[ 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 '10.128.0.110' (ECDSA) to the list of known hosts. 2021/06/16 17:20:40 parsed 1 programs 2021/06/16 17:20:47 executed programs: 0 syzkaller login: [ 1080.328901][ T8446] chnl_net:caif_netlink_parms(): no params data found [ 1080.350490][ T8446] bridge0: port 1(bridge_slave_0) entered blocking state [ 1080.357778][ T8446] bridge0: port 1(bridge_slave_0) entered disabled state [ 1080.365127][ T8446] device bridge_slave_0 entered promiscuous mode [ 1080.372740][ T8446] bridge0: port 2(bridge_slave_1) entered blocking state [ 1080.380075][ T8446] bridge0: port 2(bridge_slave_1) entered disabled state [ 1080.387998][ T8446] device bridge_slave_1 entered promiscuous mode [ 1080.398896][ T8446] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1080.408884][ T8446] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1080.421788][ T8446] team0: Port device team_slave_0 added [ 1080.428085][ T8446] team0: Port device team_slave_1 added [ 1080.437874][ T8446] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 1080.445044][ T8446] 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. [ 1080.471143][ T8446] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 1080.482381][ T8446] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 1080.489621][ T8446] 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. [ 1080.515832][ T8446] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 1080.531604][ T8446] device hsr_slave_0 entered promiscuous mode [ 1080.538005][ T8446] device hsr_slave_1 entered promiscuous mode [ 1080.568774][ T8446] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 1080.576771][ T8446] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 1080.584839][ T8446] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 1080.592875][ T8446] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 1080.604580][ T8446] bridge0: port 2(bridge_slave_1) entered blocking state [ 1080.611883][ T8446] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1080.619167][ T8446] bridge0: port 1(bridge_slave_0) entered blocking state [ 1080.626237][ T8446] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1080.646375][ T8446] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1080.655485][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1080.663759][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 1080.672530][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 1080.680498][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 1080.690101][ T8446] 8021q: adding VLAN 0 to HW filter on device team0 [ 1080.698901][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1080.707418][ T19] bridge0: port 1(bridge_slave_0) entered blocking state [ 1080.714484][ T19] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1080.723423][ T8668] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1080.732015][ T8668] bridge0: port 2(bridge_slave_1) entered blocking state [ 1080.739240][ T8668] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1080.750945][ T8668] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1080.759163][ T8668] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1080.769159][ T8587] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1080.778991][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1080.789403][ T8667] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1080.798353][ T8446] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1080.809626][ T8667] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1080.817114][ T8667] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1080.827071][ T8446] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1080.838974][ T8587] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 1080.851379][ T8667] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 1080.859722][ T8667] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 1080.867183][ T8667] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 1080.875777][ T8446] device veth0_vlan entered promiscuous mode [ 1080.884341][ T8446] device veth1_vlan entered promiscuous mode [ 1080.896289][ T8667] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 1080.904634][ T8667] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 1080.912957][ T8667] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 1080.922160][ T8446] device veth0_macvtap entered promiscuous mode [ 1080.930123][ T8446] device veth1_macvtap entered promiscuous mode [ 1080.940983][ T8446] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 1080.948315][ T8667] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 1080.957093][ T8667] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 1080.969159][ T8446] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 1080.977334][ T8587] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 1080.987676][ T8446] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 1080.996646][ T8446] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 1081.005827][ T8446] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 1081.014589][ T8446] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 1081.047339][ T8559] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1081.057014][ T8559] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1081.069671][ T8681] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1081.071092][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 1081.078128][ T8681] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1081.093378][ T8668] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 1081.108721][ T8690] loop0: detected capacity change from 0 to 4081 [ 1081.116583][ T8690] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [ 1081.127418][ T8690] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 2048) [ 1081.138484][ T8690] NILFS (loop0): mounting unchecked fs [ 1081.144611][ T8690] NILFS (loop0): invalid segment: Magic number mismatch [ 1081.152263][ T8690] NILFS (loop0): unable to fall back to spare super block [ 1081.159970][ T8690] NILFS (loop0): error -22 while searching super root [ 1082.327792][ T7] Bluetooth: hci0: command 0x0409 tx timeout [ 1084.407724][ T7] Bluetooth: hci0: command 0x041b tx timeout 2021/06/16 17:20:54 executed programs: 1 [ 1086.487714][ T7] Bluetooth: hci0: command 0x040f tx timeout [ 1086.531468][ T8699] loop0: detected capacity change from 0 to 4081 [ 1086.539534][ T8699] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [ 1086.549811][ T8699] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 2048) [ 1086.560013][ T8699] NILFS (loop0): mounting unchecked fs [ 1086.565755][ T8699] NILFS (loop0): invalid segment: Magic number mismatch [ 1086.573358][ T8699] NILFS (loop0): unable to fall back to spare super block [ 1086.580938][ T8699] NILFS (loop0): error -22 while searching super root [ 1086.640324][ T8705] loop0: detected capacity change from 0 to 4081 [ 1086.648563][ T8705] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [ 1086.658677][ T8705] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 2048) [ 1086.669380][ T8705] NILFS (loop0): mounting unchecked fs [ 1086.675092][ T8705] NILFS (loop0): invalid segment: Magic number mismatch [ 1086.682707][ T8705] NILFS (loop0): unable to fall back to spare super block [ 1086.690266][ T8705] NILFS (loop0): error -22 while searching super root [ 1087.767100][ T8709] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 1088.567680][ T8422] Bluetooth: hci0: command 0x0419 tx timeout [ 1093.933242][ T8709] kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff888118d9db00 (size 32): comm "syz-executor.0", pid 8690, jiffies 4295045385 (age 12.850s) hex dump (first 32 bytes): 6c 6f 6f 70 30 00 00 00 00 00 00 00 00 00 00 00 loop0........... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [] kstrdup+0x36/0x70 [] kstrdup_const+0x53/0x80 [] kvasprintf_const+0xc2/0x110 [] kobject_set_name_vargs+0x3b/0xe0 [] kobject_init_and_add+0x6d/0xc0 [] nilfs_sysfs_create_device_group+0x98/0x3a0 [] init_nilfs+0x520/0x680 [] nilfs_mount+0x51b/0x890 [] legacy_get_tree+0x2b/0x90 [] vfs_get_tree+0x28/0x100 [] path_mount+0xc3e/0x1110 [] __x64_sys_mount+0x18e/0x1d0 [] do_syscall_64+0x3a/0xb0 [] entry_SYSCALL_64_after_hwframe+0x44/0xae BUG: memory leak unreferenced object 0xffff88810ccdb840 (size 32): comm "syz-executor.0", pid 8699, jiffies 4295045927 (age 7.430s) hex dump (first 32 bytes): 6c 6f 6f 70 30 00 00 00 00 00 00 00 00 00 00 00 loop0........... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [] kstrdup+0x36/0x70 [] kstrdup_const+0x53/0x80 [] kvasprintf_const+0xc2/0x110 [] kobject_set_name_vargs+0x3b/0xe0 [] kobject_init_and_add+0x6d/0xc0 [] nilfs_sysfs_create_device_group+0x98/0x3a0 [] init_nilfs+0x520/0x680 [] nilfs_mount+0x51b/0x890 [] legacy_get_tree+0x2b/0x90 [] vfs_get_tree+0x28/0x100 [] path_mount+0xc3e/0x1110 [] __x64_sys_mount+0x18e/0x1d0 [] do_syscall_64+0x3a/0xb0 [] entry_SYSCALL_64_after_hwframe+0x44/0xae BUG: memory leak unreferenced object 0xffff88810cddfb40 (size 32): comm "syz-executor.0", pid 8705, jiffies 4295045938 (age 7.320s) hex dump (first 32 bytes): 6c 6f 6f 70 30 00 00 00 00 00 00 00 00 00 00 00 loop0........... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [] kstrdup+0x36/0x70 [] kstrdup_const+0x53/0x80 [] kvasprintf_const+0xc2/0x110 [] kobject_set_name_vargs+0x3b/0xe0 [] kobject_init_and_add+0x6d/0xc0 [] nilfs_sysfs_create_device_group+0x98/0x3a0 [] init_nilfs+0x520/0x680 [] nilfs_mount+0x51b/0x890 [] legacy_get_tree+0x2b/0x90 [] vfs_get_tree+0x28/0x100 [] path_mount+0xc3e/0x1110 [] __x64_sys_mount+0x18e/0x1d0 [] do_syscall_64+0x3a/0xb0 [] entry_SYSCALL_64_after_hwframe+0x44/0xae