[ 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 '10.128.0.196' (ECDSA) to the list of known hosts. 2021/06/06 11:12:23 parsed 1 programs 2021/06/06 11:12:30 executed programs: 0 syzkaller login: [ 1082.613552][ T8453] chnl_net:caif_netlink_parms(): no params data found [ 1082.632081][ T8453] bridge0: port 1(bridge_slave_0) entered blocking state [ 1082.639277][ T8453] bridge0: port 1(bridge_slave_0) entered disabled state [ 1082.646800][ T8453] device bridge_slave_0 entered promiscuous mode [ 1082.654156][ T8453] bridge0: port 2(bridge_slave_1) entered blocking state [ 1082.661303][ T8453] bridge0: port 2(bridge_slave_1) entered disabled state [ 1082.668807][ T8453] device bridge_slave_1 entered promiscuous mode [ 1082.679467][ T8453] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1082.689360][ T8453] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1082.701903][ T8453] team0: Port device team_slave_0 added [ 1082.708132][ T8453] team0: Port device team_slave_1 added [ 1082.716985][ T8453] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 1082.723937][ T8453] 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. [ 1082.749858][ T8453] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 1082.761462][ T8453] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 1082.768666][ T8453] 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. [ 1082.795114][ T8453] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 1082.810634][ T8453] device hsr_slave_0 entered promiscuous mode [ 1082.816960][ T8453] device hsr_slave_1 entered promiscuous mode [ 1082.844721][ T8453] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 1082.852233][ T8453] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 1082.859960][ T8453] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 1082.867572][ T8453] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 1082.879185][ T8453] bridge0: port 2(bridge_slave_1) entered blocking state [ 1082.886463][ T8453] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1082.893724][ T8453] bridge0: port 1(bridge_slave_0) entered blocking state [ 1082.900824][ T8453] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1082.919393][ T8453] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1082.928434][ T8428] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1082.936593][ T8428] bridge0: port 1(bridge_slave_0) entered disabled state [ 1082.944733][ T8428] bridge0: port 2(bridge_slave_1) entered disabled state [ 1082.952239][ T8428] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 1082.961368][ T8453] 8021q: adding VLAN 0 to HW filter on device team0 [ 1082.969850][ T8594] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1082.978641][ T8594] bridge0: port 1(bridge_slave_0) entered blocking state [ 1082.985783][ T8594] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1082.994752][ T4862] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1083.002867][ T4862] bridge0: port 2(bridge_slave_1) entered blocking state [ 1083.009910][ T4862] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1083.024947][ T8453] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 1083.035506][ T8453] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 1083.047042][ T4862] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1083.055602][ T4862] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1083.063871][ T4862] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1083.071802][ T4862] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1083.080000][ T4862] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1083.087656][ T4862] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1083.100543][ T8453] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1083.107778][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1083.115141][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1083.126979][ T8594] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 1083.138592][ T8594] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 1083.147127][ T8594] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 1083.154804][ T8594] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 1083.163197][ T8453] device veth0_vlan entered promiscuous mode [ 1083.171533][ T8453] device veth1_vlan entered promiscuous mode [ 1083.183086][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 1083.191248][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 1083.199063][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 1083.208139][ T8453] device veth0_macvtap entered promiscuous mode [ 1083.216161][ T8453] device veth1_macvtap entered promiscuous mode [ 1083.226712][ T8453] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 1083.234233][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 1083.242762][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 1083.252130][ T8453] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 1083.259531][ T8594] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 1083.269376][ T8453] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 1083.278532][ T8453] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 1083.287266][ T8453] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 1083.295984][ T8453] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 1083.326209][ T3000] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1083.334192][ T3000] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1083.339610][ T8558] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1083.351022][ T8558] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1083.351276][ T8594] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 1083.366054][ T8594] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 1083.382470][ T8697] loop0: detected capacity change from 0 to 200 [ 1083.390233][ T8697] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [ 1083.402279][ T8697] NILFS (loop0): invalid segment: Magic number mismatch [ 1083.409923][ T8697] NILFS (loop0): unable to fall back to spare super block [ 1083.417099][ T8697] NILFS (loop0): error -22 while searching super root [ 1084.613540][ T8674] Bluetooth: hci0: command 0x0409 tx timeout [ 1086.693004][ T8674] Bluetooth: hci0: command 0x041b tx timeout [ 1088.772722][ T8136] Bluetooth: hci0: command 0x040f tx timeout 2021/06/06 11:12:38 executed programs: 1 [ 1088.877237][ T8705] loop0: detected capacity change from 0 to 200 [ 1088.886987][ T8705] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [ 1088.898793][ T8705] NILFS (loop0): invalid segment: Magic number mismatch [ 1088.905953][ T8705] NILFS (loop0): unable to fall back to spare super block [ 1088.913271][ T8705] NILFS (loop0): error -22 while searching super root [ 1088.952693][ T8711] loop0: detected capacity change from 0 to 200 [ 1088.960154][ T8711] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [ 1088.972171][ T8711] NILFS (loop0): invalid segment: Magic number mismatch [ 1088.979359][ T8711] NILFS (loop0): unable to fall back to spare super block [ 1088.986835][ T8711] NILFS (loop0): error -22 while searching super root [ 1090.144117][ T8716] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 1090.852525][ T8136] Bluetooth: hci0: command 0x0419 tx timeout [ 1096.456708][ T8716] kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff8881167feee0 (size 32): comm "syz-executor.0", pid 8697, jiffies 4295045614 (age 13.120s) 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 0xffff8881188fbbe0 (size 32): comm "syz-executor.0", pid 8705, jiffies 4295046164 (age 7.620s) 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 0xffff8881188fbb40 (size 32): comm "syz-executor.0", pid 8711, jiffies 4295046171 (age 7.550s) 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