[ 24.078056][ T26] audit: type=1400 audit(1584851978.534:37): avc: denied { watch } for pid=6951 comm="restorecond" path="/root/.ssh" dev="sda1" ino=16179 scontext=system_u:system_r:kernel_t:s0 tcontext=unconfined_u:object_r:ssh_home_t:s0 tclass=dir permissive=1 [ 24.110200][ T26] audit: type=1400 audit(1584851978.534:38): avc: denied { watch } for pid=6951 comm="restorecond" path="/etc/selinux/restorecond.conf" dev="sda1" ino=2232 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 24.184989][ T26] audit: type=1800 audit(1584851978.644:39): pid=6862 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 [ 24.210948][ T26] audit: type=1800 audit(1584851978.644:40): pid=6862 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 Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 26.716722][ T26] audit: type=1400 audit(1584851981.174:41): avc: denied { map } for pid=7042 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 Warning: Permanently added '10.128.10.50' (ECDSA) to the list of known hosts. [ 72.690363][ T26] audit: type=1400 audit(1584852027.154:42): avc: denied { map } for pid=7058 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 2020/03/22 04:40:27 parsed 1 programs [ 74.005742][ T26] audit: type=1400 audit(1584852028.464:43): avc: denied { integrity } for pid=7058 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 [ 74.033668][ T3823] kmemleak: Automatic memory scanning thread ended [ 74.038761][ T26] audit: type=1400 audit(1584852028.464:44): avc: denied { map } for pid=7058 comm="syz-execprog" path="/sys/kernel/debug/kcov" dev="debugfs" ino=17060 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1 2020/03/22 04:40:35 executed programs: 0 [ 81.103908][ T7077] IPVS: ftp: loaded support on port[0] = 21 [ 81.124737][ T7077] chnl_net:caif_netlink_parms(): no params data found [ 81.143405][ T7077] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.150554][ T7077] bridge0: port 1(bridge_slave_0) entered disabled state [ 81.158953][ T7077] device bridge_slave_0 entered promiscuous mode [ 81.166273][ T7077] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.174136][ T7077] bridge0: port 2(bridge_slave_1) entered disabled state [ 81.181491][ T7077] device bridge_slave_1 entered promiscuous mode [ 81.191143][ T7077] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 81.205096][ T7077] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 81.217418][ T7077] team0: Port device team_slave_0 added [ 81.224083][ T7077] team0: Port device team_slave_1 added [ 81.232593][ T7077] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 81.239873][ T7077] 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. [ 81.267090][ T7077] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 81.278548][ T7077] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 81.286111][ T7077] 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. [ 81.321784][ T7077] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 81.369497][ T7077] device hsr_slave_0 entered promiscuous mode [ 81.408898][ T7077] device hsr_slave_1 entered promiscuous mode [ 81.508517][ T7077] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 81.510042][ T26] audit: type=1400 audit(1584852035.964:45): avc: denied { create } for pid=7077 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 [ 81.544684][ T26] audit: type=1400 audit(1584852035.964:46): avc: denied { write } for pid=7077 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 [ 81.570006][ T26] audit: type=1400 audit(1584852035.964:47): avc: denied { read } for pid=7077 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 [ 81.580282][ T7077] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 81.629721][ T7077] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 81.679722][ T7077] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 81.745278][ T7077] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.752354][ T7077] bridge0: port 2(bridge_slave_1) entered forwarding state [ 81.759665][ T7077] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.766680][ T7077] bridge0: port 1(bridge_slave_0) entered forwarding state [ 81.786847][ T7077] 8021q: adding VLAN 0 to HW filter on device bond0 [ 81.796450][ T7084] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 81.804143][ T7084] bridge0: port 1(bridge_slave_0) entered disabled state [ 81.812225][ T7084] bridge0: port 2(bridge_slave_1) entered disabled state [ 81.819732][ T7084] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 81.828475][ T7077] 8021q: adding VLAN 0 to HW filter on device team0 [ 81.841369][ T2647] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 81.850005][ T2647] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.857146][ T2647] bridge0: port 1(bridge_slave_0) entered forwarding state [ 81.869024][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 81.877246][ T25] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.884285][ T25] bridge0: port 2(bridge_slave_1) entered forwarding state [ 81.897732][ T7077] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 81.910090][ T7077] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 81.922978][ T2647] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 81.932186][ T2647] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 81.953065][ T2647] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 81.968841][ T2647] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 81.976953][ T2647] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 81.984265][ T2647] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 81.996023][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 82.004039][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 82.013486][ T7077] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 82.025644][ T2647] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 82.041373][ T7077] device veth0_vlan entered promiscuous mode [ 82.048822][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 82.056736][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 82.064464][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 82.073059][ T7077] device veth1_vlan entered promiscuous mode [ 82.085260][ T2647] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 82.093232][ T2647] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 82.109214][ T2647] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 82.118263][ T7077] device veth0_macvtap entered promiscuous mode [ 82.126271][ T7077] device veth1_macvtap entered promiscuous mode [ 82.132980][ T2647] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 82.145724][ T7077] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 82.153181][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 82.161450][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 82.171293][ T7077] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 82.178862][ T2647] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 82.187073][ T2647] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 82.231049][ T26] audit: type=1400 audit(1584852036.694:48): avc: denied { associate } for pid=7077 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 [ 82.288579][ T7105] ubi0: attaching mtd0 [ 82.293013][ T7105] ubi0: scanning is finished [ 82.297611][ T7105] ubi0: empty MTD device detected [ 82.339577][ T7105] ubi0: attached mtd0 (name "mtdram test device", size 0 MiB) [ 82.347081][ T7105] ubi0: PEB size: 4096 bytes (4 KiB), LEB size: 3968 bytes [ 82.355409][ T7105] ubi0: min./max. I/O unit sizes: 1/64, sub-page size 1 [ 82.362815][ T7105] ubi0: VID header offset: 64 (aligned 64), data offset: 128 [ 82.370277][ T7105] ubi0: good PEBs: 32, bad PEBs: 0, corrupted PEBs: 0 [ 82.377038][ T7105] ubi0: user volume: 0, internal volumes: 1, max. volumes count: 23 [ 82.385047][ T7105] ubi0: max/mean erase counter: 0/0, WL threshold: 4096, image sequence number: 2993770496 [ 82.395082][ T7105] ubi0: available PEBs: 28, total reserved PEBs: 4, PEBs reserved for bad PEB handling: 0 [ 82.406417][ T7107] ubi0: background thread "ubi_bgt0d" started, PID 7107 2020/03/22 04:40:42 executed programs: 1 [ 87.677257][ T7110] ubi0: detaching mtd0 [ 87.681838][ T7110] ubi0: mtd0 is detached [ 87.686234][ T7110] ubi0: attaching mtd0 [ 87.690619][ T7110] ubi0: scanning is finished [ 87.739372][ T7110] ubi0: attached mtd0 (name "mtdram test device", size 0 MiB) [ 87.746933][ T7110] ubi0: PEB size: 4096 bytes (4 KiB), LEB size: 3968 bytes [ 87.754489][ T7110] ubi0: min./max. I/O unit sizes: 1/64, sub-page size 1 [ 87.761480][ T7110] ubi0: VID header offset: 64 (aligned 64), data offset: 128 [ 87.768960][ T7110] ubi0: good PEBs: 32, bad PEBs: 0, corrupted PEBs: 0 [ 87.775745][ T7110] ubi0: user volume: 0, internal volumes: 1, max. volumes count: 23 [ 87.783711][ T7110] ubi0: max/mean erase counter: 1/1, WL threshold: 4096, image sequence number: 2993770496 [ 87.793686][ T7110] ubi0: available PEBs: 28, total reserved PEBs: 4, PEBs reserved for bad PEB handling: 0 [ 87.803719][ T7111] ubi0: background thread "ubi_bgt0d" started, PID 7111 [ 87.816215][ T7112] ubi0: detaching mtd0 [ 87.820671][ T7112] ubi0: mtd0 is detached [ 87.825302][ T7112] ubi0: attaching mtd0 [ 87.830121][ T7112] ubi0: scanning is finished [ 87.869632][ T7112] ubi0: attached mtd0 (name "mtdram test device", size 0 MiB) [ 87.877167][ T7112] ubi0: PEB size: 4096 bytes (4 KiB), LEB size: 3968 bytes [ 87.884524][ T7112] ubi0: min./max. I/O unit sizes: 1/64, sub-page size 1 [ 87.891480][ T7112] ubi0: VID header offset: 64 (aligned 64), data offset: 128 [ 87.898875][ T7112] ubi0: good PEBs: 32, bad PEBs: 0, corrupted PEBs: 0 [ 87.905614][ T7112] ubi0: user volume: 0, internal volumes: 1, max. volumes count: 23 [ 87.913712][ T7112] ubi0: max/mean erase counter: 1/1, WL threshold: 4096, image sequence number: 2993770496 [ 87.923682][ T7112] ubi0: available PEBs: 28, total reserved PEBs: 4, PEBs reserved for bad PEB handling: 0 [ 87.933747][ T7114] ubi0: background thread "ubi_bgt0d" started, PID 7114 [ 91.588879][ T0] NOHZ: local_softirq_pending 08 [ 92.965003][ T7115] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff888127d09260 (size 32): comm "syz-executor.0", pid 7105, jiffies 4294945503 (age 12.820s) hex dump (first 32 bytes): 00 00 00 00 03 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: [<00000000a70cbf5e>] erase_aeb+0x25/0x110 [<00000000b6533fda>] ubi_wl_init+0x193/0x5c0 [<00000000e9630377>] ubi_attach+0x611/0x18ba [<000000005dc9fdc4>] ubi_attach_mtd_dev+0x584/0xca0 [<000000002ab7157d>] ctrl_cdev_ioctl+0x143/0x1b0 [<000000004e1fb547>] ksys_ioctl+0xa6/0xd0 [<0000000060a73be6>] __x64_sys_ioctl+0x1a/0x20 [<00000000d6d98bb9>] do_syscall_64+0x6e/0x220 [<0000000062cb9456>] entry_SYSCALL_64_after_hwframe+0x44/0xa9