[ 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 '10.128.1.71' (ECDSA) to the list of known hosts. 2021/06/13 16:01:03 parsed 1 programs 2021/06/13 16:01:11 executed programs: 0 syzkaller login: [ 1079.129105][ T8452] chnl_net:caif_netlink_parms(): no params data found [ 1079.154527][ T8452] bridge0: port 1(bridge_slave_0) entered blocking state [ 1079.161590][ T8452] bridge0: port 1(bridge_slave_0) entered disabled state [ 1079.168889][ T8452] device bridge_slave_0 entered promiscuous mode [ 1079.176819][ T8452] bridge0: port 2(bridge_slave_1) entered blocking state [ 1079.185972][ T8452] bridge0: port 2(bridge_slave_1) entered disabled state [ 1079.193751][ T8452] device bridge_slave_1 entered promiscuous mode [ 1079.205235][ T8452] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1079.215655][ T8452] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1079.229255][ T8452] team0: Port device team_slave_0 added [ 1079.235994][ T8452] team0: Port device team_slave_1 added [ 1079.245793][ T8452] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 1079.252901][ T8452] 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. [ 1079.279616][ T8452] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 1079.291041][ T8452] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 1079.298522][ T8452] 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. [ 1079.325521][ T8452] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 1079.341514][ T8452] device hsr_slave_0 entered promiscuous mode [ 1079.347940][ T8452] device hsr_slave_1 entered promiscuous mode [ 1079.379157][ T8452] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 1079.386893][ T8452] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 1079.394728][ T8452] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 1079.402354][ T8452] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 1079.414715][ T8452] bridge0: port 2(bridge_slave_1) entered blocking state [ 1079.421843][ T8452] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1079.429065][ T8452] bridge0: port 1(bridge_slave_0) entered blocking state [ 1079.436103][ T8452] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1079.455191][ T8452] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1079.464063][ T8428] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1079.472228][ T8428] bridge0: port 1(bridge_slave_0) entered disabled state [ 1079.479592][ T8428] bridge0: port 2(bridge_slave_1) entered disabled state [ 1079.487578][ T8428] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 1079.496782][ T8452] 8021q: adding VLAN 0 to HW filter on device team0 [ 1079.506225][ T8663] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1079.514681][ T8663] bridge0: port 1(bridge_slave_0) entered blocking state [ 1079.521849][ T8663] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1079.538633][ T8452] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 1079.549032][ T8452] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 1079.560804][ T8663] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1079.568977][ T8663] bridge0: port 2(bridge_slave_1) entered blocking state [ 1079.576028][ T8663] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1079.584506][ T8663] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1079.593021][ T8663] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1079.601255][ T8663] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1079.609235][ T8663] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1079.617463][ T8663] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1079.625036][ T8663] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1079.636208][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1079.643804][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1079.653502][ T8452] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1079.665416][ T8676] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 1079.678941][ T8452] device veth0_vlan entered promiscuous mode [ 1079.685304][ T8428] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 1079.693559][ T8428] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 1079.701330][ T8428] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 1079.711393][ T8452] device veth1_vlan entered promiscuous mode [ 1079.723807][ T8428] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 1079.731988][ T8428] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 1079.740986][ T8428] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 1079.750581][ T8452] device veth0_macvtap entered promiscuous mode [ 1079.758308][ T8452] device veth1_macvtap entered promiscuous mode [ 1079.769409][ T8452] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 1079.777183][ T8428] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 1079.786140][ T8428] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 1079.795531][ T8452] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 1079.803070][ T8428] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 1079.812685][ T8452] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 1079.821954][ T8452] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 1079.830940][ T8452] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 1079.840132][ T8452] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 1079.866049][ T8501] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1079.875100][ T8501] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1079.891061][ T3795] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 1079.900052][ T8501] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1079.907882][ T8501] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1079.915845][ T8663] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 1079.934589][ T8695] loop0: detected capacity change from 0 to 60 [ 1079.942476][ T8695] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [ 1079.952952][ T8695] NILFS (loop0): mounting unchecked fs [ 1079.959093][ T8695] NILFS (loop0): invalid segment: Magic number mismatch [ 1079.966622][ T8695] NILFS (loop0): unable to fall back to spare super block [ 1079.974224][ T8695] NILFS (loop0): error -22 while searching super root [ 1081.149963][ T8676] Bluetooth: hci0: command 0x0409 tx timeout [ 1083.219918][ T8676] Bluetooth: hci0: command 0x041b tx timeout [ 1085.299921][ T3148] Bluetooth: hci0: command 0x040f tx timeout 2021/06/13 16:01:18 executed programs: 1 [ 1085.531541][ T8703] loop0: detected capacity change from 0 to 60 [ 1085.540389][ T8703] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [ 1085.550313][ T8703] NILFS (loop0): mounting unchecked fs [ 1085.555904][ T8703] NILFS (loop0): invalid segment: Magic number mismatch [ 1085.564178][ T8703] NILFS (loop0): unable to fall back to spare super block [ 1085.571447][ T8703] NILFS (loop0): error -22 while searching super root [ 1085.629564][ T8709] loop0: detected capacity change from 0 to 60 [ 1085.643565][ T8709] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [ 1085.653721][ T8709] NILFS (loop0): mounting unchecked fs [ 1085.664418][ T8709] NILFS (loop0): invalid segment: Magic number mismatch [ 1085.671462][ T8709] NILFS (loop0): unable to fall back to spare super block [ 1085.678606][ T8709] NILFS (loop0): error -22 while searching super root [ 1086.829626][ T8714] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 1087.379789][ T3148] Bluetooth: hci0: command 0x0419 tx timeout [ 1093.227729][ T8714] kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff8881122bad40 (size 32): comm "syz-executor.0", pid 8695, jiffies 4295045265 (age 13.330s) 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 0xffff88810deb4a60 (size 32): comm "syz-executor.0", pid 8703, jiffies 4295045825 (age 7.730s) 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 0xffff888118ce5660 (size 32): comm "syz-executor.0", pid 8709, jiffies 4295045835 (age 7.630s) 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