[ 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 '10.128.0.231' (ECDSA) to the list of known hosts. 2021/06/18 12:35:46 parsed 1 programs 2021/06/18 12:35:54 executed programs: 0 syzkaller login: [ 828.668281][ T8440] chnl_net:caif_netlink_parms(): no params data found [ 828.715173][ T8440] bridge0: port 1(bridge_slave_0) entered blocking state [ 828.722466][ T8440] bridge0: port 1(bridge_slave_0) entered disabled state [ 828.730217][ T8440] device bridge_slave_0 entered promiscuous mode [ 828.737299][ T8440] bridge0: port 2(bridge_slave_1) entered blocking state [ 828.744322][ T8440] bridge0: port 2(bridge_slave_1) entered disabled state [ 828.751748][ T8440] device bridge_slave_1 entered promiscuous mode [ 828.762008][ T8440] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 828.771787][ T8440] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 828.784454][ T8440] team0: Port device team_slave_0 added [ 828.790548][ T8440] team0: Port device team_slave_1 added [ 828.799206][ T8440] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 828.806163][ T8440] 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. [ 828.832057][ T8440] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 828.843167][ T8440] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 828.850120][ T8440] 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. [ 828.876009][ T8440] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 828.891440][ T8440] device hsr_slave_0 entered promiscuous mode [ 828.897760][ T8440] device hsr_slave_1 entered promiscuous mode [ 828.924570][ T8440] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 828.932297][ T8440] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 828.939906][ T8440] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 828.947397][ T8440] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 828.958713][ T8440] bridge0: port 2(bridge_slave_1) entered blocking state [ 828.965721][ T8440] bridge0: port 2(bridge_slave_1) entered forwarding state [ 828.972945][ T8440] bridge0: port 1(bridge_slave_0) entered blocking state [ 828.979975][ T8440] bridge0: port 1(bridge_slave_0) entered forwarding state [ 828.997925][ T8440] 8021q: adding VLAN 0 to HW filter on device bond0 [ 829.006956][ T8662] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 829.014503][ T8662] bridge0: port 1(bridge_slave_0) entered disabled state [ 829.022147][ T8662] bridge0: port 2(bridge_slave_1) entered disabled state [ 829.029889][ T8662] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 829.038727][ T8440] 8021q: adding VLAN 0 to HW filter on device team0 [ 829.046776][ T8663] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 829.054885][ T8663] bridge0: port 1(bridge_slave_0) entered blocking state [ 829.061921][ T8663] bridge0: port 1(bridge_slave_0) entered forwarding state [ 829.070475][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 829.078761][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 829.085823][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 829.097670][ T8663] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 829.105812][ T8663] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 829.115214][ T8665] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 829.124344][ T8663] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 829.134135][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 829.142807][ T8440] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 829.154727][ T8662] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 829.162310][ T8662] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 829.170884][ T8440] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 829.182113][ T8662] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 829.194342][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 829.202607][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 829.210522][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 829.218954][ T8440] device veth0_vlan entered promiscuous mode [ 829.220813][ T8440] device veth1_vlan entered promiscuous mode [ 829.236969][ T8440] device veth0_macvtap entered promiscuous mode [ 829.244539][ T8665] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 829.252639][ T8665] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 829.260455][ T8665] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 829.268738][ T8665] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 829.277554][ T8440] device veth1_macvtap entered promiscuous mode [ 829.287736][ T8440] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 829.295072][ T8662] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 829.305199][ T8440] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 829.312855][ T8662] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 829.322321][ T8440] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 829.331050][ T8440] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 829.339730][ T8440] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 829.348465][ T8440] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 829.380946][ T8554] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 829.390547][ T8554] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 829.400865][ T8538] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 829.409470][ T8538] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 829.410474][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 829.424708][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 829.450422][ T8685] loop0: detected capacity change from 0 to 5 [ 829.458721][ T8685] NILFS (loop0): unable to read secondary superblock (blocksize = 1024) [ 829.467422][ T8685] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [ 829.477284][ T8685] NILFS (loop0): mounting unchecked fs [ 829.482870][ T8685] NILFS (loop0): I/O error reading segment [ 829.488857][ T8685] NILFS (loop0): error -5 while searching super root [ 830.706424][ T7] Bluetooth: hci0: command 0x0409 tx timeout [ 832.785886][ T7] Bluetooth: hci0: command 0x041b tx timeout [ 834.865807][ T7] Bluetooth: hci0: command 0x040f tx timeout 2021/06/18 12:36:01 executed programs: 1 [ 835.080839][ T8694] loop0: detected capacity change from 0 to 5 [ 835.088662][ T8694] NILFS (loop0): unable to read secondary superblock (blocksize = 1024) [ 835.097355][ T8694] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [ 835.107723][ T8694] NILFS (loop0): mounting unchecked fs [ 835.113329][ T8694] NILFS (loop0): I/O error reading segment [ 835.119373][ T8694] NILFS (loop0): error -5 while searching super root [ 835.183360][ T8700] loop0: detected capacity change from 0 to 5 [ 835.197829][ T8700] NILFS (loop0): unable to read secondary superblock (blocksize = 1024) [ 835.206548][ T8700] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [ 835.216328][ T8700] NILFS (loop0): mounting unchecked fs [ 835.221910][ T8700] NILFS (loop0): I/O error reading segment [ 835.227916][ T8700] NILFS (loop0): error -5 while searching super root [ 836.442112][ T8704] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 836.945607][ T8666] Bluetooth: hci0: command 0x0419 tx timeout [ 842.959353][ T8704] kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff888118c1c840 (size 32): comm "syz-executor.0", pid 8685, jiffies 4295020221 (age 13.540s) 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 0xffff8881194ee5a0 (size 32): comm "syz-executor.0", pid 8694, jiffies 4295020784 (age 7.910s) 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 0xffff88810ec1a820 (size 32): comm "syz-executor.0", pid 8700, jiffies 4295020795 (age 7.800s) 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