[....] Starting file context mai[ 27.530830][ T26] kauditd_printk_skb: 18 callbacks suppressed ntaining daemon:[ 27.530835][ T26] audit: type=1800 audit(1585127745.622:39): pid=7064 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 restorecond[?2[ 27.560442][ T26] audit: type=1800 audit(1585127745.642:40): pid=7064 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 5l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 32.202093][ T26] audit: type=1400 audit(1585127750.292:41): avc: denied { map } for pid=7235 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 [ 103.263778][ T26] audit: type=1400 audit(1585127821.352:42): avc: denied { map } for pid=7245 comm="sh" path="/bin/dash" dev="sda1" ino=1473 scontext=system_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added '10.128.0.44' (ECDSA) to the list of known hosts. 2020/03/25 09:17:45 parsed 1 programs [ 146.872813][ T26] audit: type=1400 audit(1585127864.962:43): avc: denied { map } for pid=7252 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=16482 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 148.323254][ T3820] kmemleak: Automatic memory scanning thread ended [ 148.323263][ T26] audit: type=1400 audit(1585127866.412:44): avc: denied { integrity } for pid=7252 comm="syz-execprog" lockdown_reason="debugfs access" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=lockdown permissive=1 [ 148.356193][ T26] audit: type=1400 audit(1585127866.412:45): avc: denied { map } for pid=7252 comm="syz-execprog" path="/sys/kernel/debug/kcov" dev="debugfs" ino=1124 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1 2020/03/25 09:17:53 executed programs: 0 [ 155.148822][ T7270] IPVS: ftp: loaded support on port[0] = 21 [ 155.169215][ T7270] chnl_net:caif_netlink_parms(): no params data found [ 155.187785][ T7270] bridge0: port 1(bridge_slave_0) entered blocking state [ 155.194851][ T7270] bridge0: port 1(bridge_slave_0) entered disabled state [ 155.202028][ T7270] device bridge_slave_0 entered promiscuous mode [ 155.209258][ T7270] bridge0: port 2(bridge_slave_1) entered blocking state [ 155.216377][ T7270] bridge0: port 2(bridge_slave_1) entered disabled state [ 155.223562][ T7270] device bridge_slave_1 entered promiscuous mode [ 155.232951][ T7270] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 155.242732][ T7270] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 155.254630][ T7270] team0: Port device team_slave_0 added [ 155.260882][ T7270] team0: Port device team_slave_1 added [ 155.269166][ T7270] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 155.276115][ T7270] 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. [ 155.302921][ T7270] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 155.314216][ T7270] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 155.321134][ T7270] 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. [ 155.347203][ T7270] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 155.394527][ T7270] device hsr_slave_0 entered promiscuous mode [ 155.433967][ T7270] device hsr_slave_1 entered promiscuous mode [ 155.512167][ T26] audit: type=1400 audit(1585127873.602:46): avc: denied { create } for pid=7270 comm="syz-executor.0" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 155.514236][ T7270] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 155.537093][ T26] audit: type=1400 audit(1585127873.602:47): avc: denied { write } for pid=7270 comm="syz-executor.0" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 155.567955][ T26] audit: type=1400 audit(1585127873.602:48): avc: denied { read } for pid=7270 comm="syz-executor.0" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 155.614759][ T7270] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 155.674750][ T7270] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 155.744846][ T7270] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 155.799912][ T7270] bridge0: port 2(bridge_slave_1) entered blocking state [ 155.807320][ T7270] bridge0: port 2(bridge_slave_1) entered forwarding state [ 155.814532][ T7270] bridge0: port 1(bridge_slave_0) entered blocking state [ 155.821543][ T7270] bridge0: port 1(bridge_slave_0) entered forwarding state [ 155.841149][ T7270] 8021q: adding VLAN 0 to HW filter on device bond0 [ 155.850621][ T7276] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 155.858269][ T7276] bridge0: port 1(bridge_slave_0) entered disabled state [ 155.866170][ T7276] bridge0: port 2(bridge_slave_1) entered disabled state [ 155.873388][ T7276] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 155.882213][ T7270] 8021q: adding VLAN 0 to HW filter on device team0 [ 155.890430][ T3574] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 155.898594][ T3574] bridge0: port 1(bridge_slave_0) entered blocking state [ 155.905603][ T3574] bridge0: port 1(bridge_slave_0) entered forwarding state [ 155.914311][ T2653] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 155.922407][ T2653] bridge0: port 2(bridge_slave_1) entered blocking state [ 155.929426][ T2653] bridge0: port 2(bridge_slave_1) entered forwarding state [ 155.944143][ T3574] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 155.952165][ T3574] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 155.960226][ T3574] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 155.968329][ T3574] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 155.976397][ T3574] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 155.984511][ T7270] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 155.995617][ T2653] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 156.002940][ T2653] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 156.012428][ T7270] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 156.024247][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 156.037956][ T7270] device veth0_vlan entered promiscuous mode [ 156.044202][ T7276] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 156.052060][ T7276] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 156.059540][ T7276] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 156.069238][ T7270] device veth1_vlan entered promiscuous mode [ 156.081044][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 156.088708][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 156.096426][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 156.105558][ T7270] device veth0_macvtap entered promiscuous mode [ 156.113784][ T7270] device veth1_macvtap entered promiscuous mode [ 156.124611][ T7270] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 156.131834][ T7276] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 156.140295][ T7276] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 156.149656][ T7270] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 156.156956][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 156.199285][ T26] audit: type=1400 audit(1585127874.292:49): avc: denied { associate } for pid=7270 comm="syz-executor.0" name="syz0" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 [ 156.262346][ T7297] ubi0: attaching mtd0 [ 156.266649][ T7297] ubi0: scanning is finished [ 156.271229][ T7297] ubi0: empty MTD device detected [ 156.304331][ T7297] ubi0: attached mtd0 (name "mtdram test device", size 0 MiB) [ 156.311822][ T7297] ubi0: PEB size: 4096 bytes (4 KiB), LEB size: 3968 bytes [ 156.319113][ T7297] ubi0: min./max. I/O unit sizes: 1/64, sub-page size 1 [ 156.326089][ T7297] ubi0: VID header offset: 64 (aligned 64), data offset: 128 [ 156.333431][ T7297] ubi0: good PEBs: 32, bad PEBs: 0, corrupted PEBs: 0 [ 156.340207][ T7297] ubi0: user volume: 0, internal volumes: 1, max. volumes count: 23 [ 156.348245][ T7297] ubi0: max/mean erase counter: 0/0, WL threshold: 4096, image sequence number: 3092359937 [ 156.358208][ T7297] ubi0: available PEBs: 28, total reserved PEBs: 4, PEBs reserved for bad PEB handling: 0 [ 156.368114][ T7299] ubi0: background thread "ubi_bgt0d" started, PID 7299 [ 156.368293][ T7297] ubi0: detaching mtd0 [ 156.379432][ T7297] ubi0: mtd0 is detached [ 162.257707][ T7300] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff888127e31620 (size 32): comm "syz-executor.0", pid 7297, jiffies 4294952900 (age 8.050s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 01 00 00 00 02 00 00 00 ................ backtrace: [<0000000072d37c13>] erase_aeb+0x25/0x110 [<000000002925f7fd>] ubi_wl_init+0x193/0x5c0 [<00000000a9386774>] ubi_attach+0x611/0x18ba [<000000004426923d>] ubi_attach_mtd_dev+0x584/0xca0 [<00000000edafff69>] ctrl_cdev_ioctl+0x143/0x1b0 [<00000000c5596694>] ksys_ioctl+0xa6/0xd0 [<000000003df40590>] __x64_sys_ioctl+0x1a/0x20 [<000000002eeeffbb>] do_syscall_64+0x6e/0x220 [<000000003905117d>] entry_SYSCALL_64_after_hwframe+0x44/0xa9