[ 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 '10.128.1.50' (ECDSA) to the list of known hosts. 2021/06/05 13:16:55 parsed 1 programs 2021/06/05 13:17:03 executed programs: 0 syzkaller login: [ 1078.158706][ T8446] chnl_net:caif_netlink_parms(): no params data found [ 1078.181004][ T8446] bridge0: port 1(bridge_slave_0) entered blocking state [ 1078.188100][ T8446] bridge0: port 1(bridge_slave_0) entered disabled state [ 1078.195480][ T8446] device bridge_slave_0 entered promiscuous mode [ 1078.202287][ T8446] bridge0: port 2(bridge_slave_1) entered blocking state [ 1078.209578][ T8446] bridge0: port 2(bridge_slave_1) entered disabled state [ 1078.216958][ T8446] device bridge_slave_1 entered promiscuous mode [ 1078.226675][ T8446] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1078.236287][ T8446] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1078.248513][ T8446] team0: Port device team_slave_0 added [ 1078.254590][ T8446] team0: Port device team_slave_1 added [ 1078.262907][ T8446] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 1078.269885][ 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. [ 1078.296103][ T8446] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 1078.307355][ T8446] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 1078.314517][ 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. [ 1078.340649][ T8446] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 1078.355647][ T8446] device hsr_slave_0 entered promiscuous mode [ 1078.361840][ T8446] device hsr_slave_1 entered promiscuous mode [ 1078.389188][ T8446] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 1078.396604][ T8446] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 1078.404022][ T8446] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 1078.411338][ T8446] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 1078.422383][ T8446] bridge0: port 2(bridge_slave_1) entered blocking state [ 1078.429413][ T8446] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1078.436635][ T8446] bridge0: port 1(bridge_slave_0) entered blocking state [ 1078.443677][ T8446] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1078.461016][ T8446] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1078.469504][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1078.477417][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 1078.484889][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 1078.492191][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 1078.500867][ T8446] 8021q: adding VLAN 0 to HW filter on device team0 [ 1078.509219][ T1982] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1078.517547][ T1982] bridge0: port 1(bridge_slave_0) entered blocking state [ 1078.524557][ T1982] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1078.533010][ T3797] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1078.541193][ T3797] bridge0: port 2(bridge_slave_1) entered blocking state [ 1078.548216][ T3797] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1078.562079][ T8446] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 1078.572716][ T8446] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 1078.583972][ T1982] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1078.592017][ T1982] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1078.600375][ T1982] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1078.608459][ T1982] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1078.616497][ T1982] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1078.623936][ T1982] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1078.636005][ T8446] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1078.643528][ T1982] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1078.650825][ T1982] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1078.661134][ T3797] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 1078.672906][ T8446] device veth0_vlan entered promiscuous mode [ 1078.679308][ T1982] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 1078.687459][ T1982] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 1078.694912][ T1982] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 1078.703873][ T8446] device veth1_vlan entered promiscuous mode [ 1078.714576][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 1078.722341][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 1078.730079][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 1078.738918][ T8446] device veth0_macvtap entered promiscuous mode [ 1078.746383][ T8446] device veth1_macvtap entered promiscuous mode [ 1078.755985][ T8446] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 1078.763572][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 1078.771963][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 1078.780461][ T8446] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 1078.788003][ T1982] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 1078.796951][ T8446] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 1078.805851][ T8446] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 1078.814586][ T8446] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 1078.823264][ T8446] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 1078.848953][ T8584] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1078.856937][ T8584] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1078.870043][ T3797] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 1078.880185][ T8584] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1078.888278][ T8584] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1078.896086][ T3797] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 1078.910687][ T8690] loop0: detected capacity change from 0 to 40 [ 1078.918083][ T8690] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [ 1078.928012][ T8690] NILFS (loop0): mounting unchecked fs [ 1078.933919][ T8690] NILFS (loop0): invalid segment: Magic number mismatch [ 1078.940877][ T8690] NILFS (loop0): unable to fall back to spare super block [ 1078.948454][ T8690] NILFS (loop0): error -22 while searching super root [ 1080.173590][ T7] Bluetooth: hci0: command 0x0409 tx timeout [ 1082.253253][ T7] Bluetooth: hci0: command 0x041b tx timeout [ 1084.333009][ T7] Bluetooth: hci0: command 0x040f tx timeout 2021/06/05 13:17:10 executed programs: 1 [ 1084.535308][ T8698] loop0: detected capacity change from 0 to 40 [ 1084.543178][ T8698] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [ 1084.553076][ T8698] NILFS (loop0): mounting unchecked fs [ 1084.558645][ T8698] NILFS (loop0): invalid segment: Magic number mismatch [ 1084.565811][ T8698] NILFS (loop0): unable to fall back to spare super block [ 1084.572931][ T8698] NILFS (loop0): error -22 while searching super root [ 1084.645098][ T8704] loop0: detected capacity change from 0 to 40 [ 1084.653534][ T8704] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [ 1084.663578][ T8704] NILFS (loop0): mounting unchecked fs [ 1084.669122][ T8704] NILFS (loop0): invalid segment: Magic number mismatch [ 1084.676337][ T8704] NILFS (loop0): unable to fall back to spare super block [ 1084.683567][ T8704] NILFS (loop0): error -22 while searching super root [ 1085.869715][ T8710] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 1086.412720][ T7] Bluetooth: hci0: command 0x0419 tx timeout [ 1092.227935][ T8710] kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff888118da5ae0 (size 32): comm "syz-executor.0", pid 8690, jiffies 4295045163 (age 13.380s) 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 0xffff888118da5f00 (size 32): comm "syz-executor.0", pid 8698, jiffies 4295045725 (age 7.760s) 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 0xffff888118da5860 (size 32): comm "syz-executor.0", pid 8704, jiffies 4295045737 (age 7.640s) 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