[ 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 '10.128.0.6' (ECDSA) to the list of known hosts. 2021/05/08 17:03:06 parsed 1 programs 2021/05/08 17:03:13 executed programs: 0 syzkaller login: [ 1076.990981][ T8407] chnl_net:caif_netlink_parms(): no params data found [ 1077.015602][ T8407] bridge0: port 1(bridge_slave_0) entered blocking state [ 1077.022819][ T8407] bridge0: port 1(bridge_slave_0) entered disabled state [ 1077.031006][ T8407] device bridge_slave_0 entered promiscuous mode [ 1077.038247][ T8407] bridge0: port 2(bridge_slave_1) entered blocking state [ 1077.045478][ T8407] bridge0: port 2(bridge_slave_1) entered disabled state [ 1077.052769][ T8407] device bridge_slave_1 entered promiscuous mode [ 1077.063577][ T8407] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1077.073465][ T8407] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1077.086351][ T8407] team0: Port device team_slave_0 added [ 1077.092551][ T8407] team0: Port device team_slave_1 added [ 1077.101749][ T8407] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 1077.108721][ T8407] 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. [ 1077.134744][ T8407] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 1077.145953][ T8407] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 1077.152880][ T8407] 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. [ 1077.178788][ T8407] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 1077.194446][ T8407] device hsr_slave_0 entered promiscuous mode [ 1077.200833][ T8407] device hsr_slave_1 entered promiscuous mode [ 1077.230750][ T8407] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 1077.238414][ T8407] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 1077.246086][ T8407] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 1077.253538][ T8407] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 1077.265874][ T8407] bridge0: port 2(bridge_slave_1) entered blocking state [ 1077.272901][ T8407] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1077.282499][ T8407] bridge0: port 1(bridge_slave_0) entered blocking state [ 1077.289561][ T8407] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1077.309183][ T8407] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1077.319346][ T8407] 8021q: adding VLAN 0 to HW filter on device team0 [ 1077.326934][ T8628] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1077.335039][ T8628] bridge0: port 1(bridge_slave_0) entered disabled state [ 1077.342479][ T8628] bridge0: port 2(bridge_slave_1) entered disabled state [ 1077.350323][ T8628] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 1077.359939][ T3061] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1077.368356][ T3061] bridge0: port 1(bridge_slave_0) entered blocking state [ 1077.375426][ T3061] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1077.384151][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1077.392422][ T35] bridge0: port 2(bridge_slave_1) entered blocking state [ 1077.399477][ T35] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1077.411173][ T3061] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1077.419645][ T3061] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1077.428728][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1077.438259][ T3061] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1077.448207][ T8407] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 1077.459039][ T8407] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1077.466780][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1077.478554][ T3061] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1077.486374][ T3061] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1077.495917][ T8407] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1077.507600][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 1077.520513][ T8407] device veth0_vlan entered promiscuous mode [ 1077.527021][ T3785] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 1077.535482][ T3785] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 1077.542836][ T3785] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 1077.552736][ T8407] device veth1_vlan entered promiscuous mode [ 1077.564869][ T3061] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 1077.572574][ T3061] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 1077.580702][ T3061] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 1077.590123][ T8407] device veth0_macvtap entered promiscuous mode [ 1077.597713][ T8407] device veth1_macvtap entered promiscuous mode [ 1077.609202][ T8407] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 1077.616570][ T3061] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 1077.625438][ T3061] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 1077.634769][ T8407] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 1077.642616][ T8548] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 1077.652070][ T8407] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 1077.661098][ T8407] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 1077.669877][ T8407] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 1077.678735][ T8407] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 1077.703962][ T8427] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1077.712383][ T8137] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1077.724416][ T8137] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1077.731821][ T8548] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 1077.739262][ T8427] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1077.747220][ T8548] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 1077.766905][ T8651] loop0: detected capacity change from 0 to 8177 [ 1077.774764][ T8651] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [ 1077.784718][ T8651] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 4096) [ 1077.795357][ T8651] NILFS (loop0): mounting unchecked fs [ 1077.801680][ T8651] NILFS (loop0): invalid segment: Magic number mismatch [ 1077.808789][ T8651] NILFS (loop0): unable to fall back to spare super block [ 1077.816007][ T8651] NILFS (loop0): error -22 while searching super root [ 1078.994537][ T3061] Bluetooth: hci0: command 0x0409 tx timeout [ 1081.074460][ T3061] Bluetooth: hci0: command 0x041b tx timeout 2021/05/08 17:03:21 executed programs: 1 [ 1083.135743][ T8659] loop0: detected capacity change from 0 to 8177 [ 1083.143703][ T8659] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [ 1083.154577][ T3061] Bluetooth: hci0: command 0x040f tx timeout [ 1083.161097][ T8659] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 4096) [ 1083.171103][ T8659] NILFS (loop0): mounting unchecked fs [ 1083.177689][ T8659] NILFS (loop0): invalid segment: Magic number mismatch [ 1083.184692][ T8659] NILFS (loop0): unable to fall back to spare super block [ 1083.191812][ T8659] NILFS (loop0): error -22 while searching super root [ 1083.235668][ T8665] loop0: detected capacity change from 0 to 8177 [ 1083.243413][ T8665] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [ 1083.253435][ T8665] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 4096) [ 1083.263671][ T8665] NILFS (loop0): mounting unchecked fs [ 1083.270745][ T8665] NILFS (loop0): invalid segment: Magic number mismatch [ 1083.277956][ T8665] NILFS (loop0): unable to fall back to spare super block [ 1083.285295][ T8665] NILFS (loop0): error -22 while searching super root [ 1085.234434][ T8548] Bluetooth: hci0: command 0x0419 tx timeout 2021/05/08 17:03:26 executed programs: 3 [ 1088.488959][ T8671] loop0: detected capacity change from 0 to 8177 [ 1088.497022][ T8671] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [ 1088.507218][ T8671] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 4096) [ 1088.517339][ T8671] NILFS (loop0): mounting unchecked fs [ 1088.525254][ T8671] NILFS (loop0): invalid segment: Magic number mismatch [ 1088.532364][ T8671] NILFS (loop0): unable to fall back to spare super block [ 1088.539488][ T8671] NILFS (loop0): error -22 while searching super root [ 1088.586153][ T8677] loop0: detected capacity change from 0 to 8177 [ 1088.601174][ T8677] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [ 1088.617926][ T8677] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 4096) [ 1088.627808][ T8677] NILFS (loop0): mounting unchecked fs [ 1088.634141][ T8677] NILFS (loop0): invalid segment: Magic number mismatch [ 1088.641439][ T8677] NILFS (loop0): unable to fall back to spare super block [ 1088.648842][ T8677] NILFS (loop0): error -22 while searching super root [ 1089.766867][ T8681] kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 1095.997096][ T8681] kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff88810ed25c00 (size 32): comm "syz-executor.0", pid 8659, jiffies 4295045585 (age 12.890s) 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 0xffff8881141be980 (size 32): comm "syz-executor.0", pid 8665, jiffies 4295045594 (age 12.800s) 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 BUG: memory leak unreferenced object 0xffff888110870060 (size 32): comm "syz-executor.0", pid 8671, jiffies 4295046120 (age 7.540s) 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