[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [ 24.885024][ T25] kauditd_printk_skb: 20 callbacks suppressed [ 24.885030][ T25] audit: type=1400 audit(1584810680.101:41): avc: denied { map } for pid=7003 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 Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 366.597111][ T25] audit: type=1400 audit(1584811021.811:42): avc: denied { map } for pid=7016 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 '10.128.0.82' (ECDSA) to the list of known hosts. [ 1028.102751][ T25] audit: type=1400 audit(1584811683.311:43): avc: denied { map } for pid=7023 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 2020/03/21 17:28:03 parsed 1 programs [ 1029.561038][ T25] audit: type=1400 audit(1584811684.771:44): avc: denied { integrity } for pid=7023 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 [ 1029.587730][ T3823] kmemleak: Automatic memory scanning thread ended [ 1029.593175][ T25] audit: type=1400 audit(1584811684.771:45): avc: denied { map } for pid=7023 comm="syz-execprog" path="/sys/kernel/debug/kcov" dev="debugfs" ino=17069 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1 2020/03/21 17:28:11 executed programs: 0 [ 1036.488342][ T7040] IPVS: ftp: loaded support on port[0] = 21 [ 1036.508827][ T7040] chnl_net:caif_netlink_parms(): no params data found [ 1036.527660][ T7040] bridge0: port 1(bridge_slave_0) entered blocking state [ 1036.534768][ T7040] bridge0: port 1(bridge_slave_0) entered disabled state [ 1036.542060][ T7040] device bridge_slave_0 entered promiscuous mode [ 1036.550592][ T7040] bridge0: port 2(bridge_slave_1) entered blocking state [ 1036.557656][ T7040] bridge0: port 2(bridge_slave_1) entered disabled state [ 1036.565708][ T7040] device bridge_slave_1 entered promiscuous mode [ 1036.575228][ T7040] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1036.585141][ T7040] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1036.597094][ T7040] team0: Port device team_slave_0 added [ 1036.603400][ T7040] team0: Port device team_slave_1 added [ 1036.611668][ T7040] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 1036.618609][ T7040] 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. [ 1036.645035][ T7040] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 1036.656210][ T7040] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 1036.663250][ T7040] 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. [ 1036.696328][ T7040] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 1036.723964][ T7040] device hsr_slave_0 entered promiscuous mode [ 1036.773298][ T7040] device hsr_slave_1 entered promiscuous mode [ 1036.831126][ T25] audit: type=1400 audit(1584811692.041:46): avc: denied { create } for pid=7040 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 [ 1036.831491][ T7040] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 1036.858387][ T25] audit: type=1400 audit(1584811692.041:47): avc: denied { write } for pid=7040 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 [ 1036.887469][ T25] audit: type=1400 audit(1584811692.041:48): avc: denied { read } for pid=7040 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 [ 1036.894523][ T7040] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 1036.934120][ T7040] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 1036.994152][ T7040] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 1037.049445][ T7040] bridge0: port 2(bridge_slave_1) entered blocking state [ 1037.056511][ T7040] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1037.063721][ T7040] bridge0: port 1(bridge_slave_0) entered blocking state [ 1037.070720][ T7040] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1037.090756][ T7040] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1037.100403][ T7049] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1037.108773][ T7049] bridge0: port 1(bridge_slave_0) entered disabled state [ 1037.116796][ T7049] bridge0: port 2(bridge_slave_1) entered disabled state [ 1037.124178][ T7049] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 1037.132980][ T7040] 8021q: adding VLAN 0 to HW filter on device team0 [ 1037.141406][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1037.150498][ T43] bridge0: port 1(bridge_slave_0) entered blocking state [ 1037.157517][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1037.166329][ T2647] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1037.174541][ T2647] bridge0: port 2(bridge_slave_1) entered blocking state [ 1037.181540][ T2647] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1037.197397][ T7040] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 1037.207960][ T7040] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 1037.219437][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1037.227698][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1037.235890][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1037.243837][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1037.251773][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1037.259184][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1037.272699][ T7040] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1037.279903][ T7049] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1037.287246][ T7049] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1037.299272][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 1037.311432][ T7049] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 1037.319704][ T7049] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 1037.327214][ T7049] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 1037.335701][ T7040] device veth0_vlan entered promiscuous mode [ 1037.344196][ T7040] device veth1_vlan entered promiscuous mode [ 1037.356255][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 1037.363905][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 1037.371626][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 1037.380826][ T7040] device veth0_macvtap entered promiscuous mode [ 1037.388691][ T7040] device veth1_macvtap entered promiscuous mode [ 1037.399339][ T7040] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 1037.406600][ T7049] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 1037.415413][ T7049] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 1037.424797][ T7040] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 1037.433275][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 1037.474794][ T25] audit: type=1400 audit(1584811692.691:49): avc: denied { associate } for pid=7040 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 2020/03/21 17:28:17 executed programs: 1 [ 1043.737838][ T7083] kmemleak: 60 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 1046.543248][ T0] NOHZ: local_softirq_pending 08 [ 1049.790966][ T7083] kmemleak: 117 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff88811996de00 (size 256): comm "syz-executor.0", pid 7072, jiffies 4295041018 (age 12.330s) 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 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000ab9a3297>] tcindex_set_parms+0xb0/0x990 [<000000006fd07379>] tcindex_change+0xcf/0x110 [<0000000050d4c27a>] tc_new_tfilter+0x4d4/0xdc0 [<00000000f358f49d>] rtnetlink_rcv_msg+0x3a5/0x4b0 [<00000000bae5dae5>] netlink_rcv_skb+0x5a/0x180 [<00000000a604211b>] netlink_unicast+0x20a/0x2f0 [<00000000afcb86f9>] netlink_sendmsg+0x2b5/0x560 [<0000000072f405dc>] sock_sendmsg+0x4c/0x60 [<00000000c8cb5a69>] ____sys_sendmsg+0x2c0/0x2f0 [<00000000203f591d>] ___sys_sendmsg+0x8a/0xd0 [<00000000a3b97353>] __sys_sendmsg+0x77/0xe0 [<0000000015716d87>] do_syscall_64+0x6e/0x220 [<000000007cabd516>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88811996db00 (size 256): comm "syz-executor.0", pid 7072, jiffies 4295041018 (age 12.330s) 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 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000af57802f>] tcindex_alloc_perfect_hash+0x8d/0xf0 [<00000000cc2a7a0f>] tcindex_set_parms+0x86d/0x990 [<000000006fd07379>] tcindex_change+0xcf/0x110 [<0000000050d4c27a>] tc_new_tfilter+0x4d4/0xdc0 [<00000000f358f49d>] rtnetlink_rcv_msg+0x3a5/0x4b0 [<00000000bae5dae5>] netlink_rcv_skb+0x5a/0x180 [<00000000a604211b>] netlink_unicast+0x20a/0x2f0 [<00000000afcb86f9>] netlink_sendmsg+0x2b5/0x560 [<0000000072f405dc>] sock_sendmsg+0x4c/0x60 [<00000000c8cb5a69>] ____sys_sendmsg+0x2c0/0x2f0 [<00000000203f591d>] ___sys_sendmsg+0x8a/0xd0 [<00000000a3b97353>] __sys_sendmsg+0x77/0xe0 [<0000000015716d87>] do_syscall_64+0x6e/0x220 [<000000007cabd516>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88811996da00 (size 256): comm "syz-executor.0", pid 7072, jiffies 4295041018 (age 12.330s) 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 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000af57802f>] tcindex_alloc_perfect_hash+0x8d/0xf0 [<00000000cc2a7a0f>] tcindex_set_parms+0x86d/0x990 [<000000006fd07379>] tcindex_change+0xcf/0x110 [<0000000050d4c27a>] tc_new_tfilter+0x4d4/0xdc0 [<00000000f358f49d>] rtnetlink_rcv_msg+0x3a5/0x4b0 [<00000000bae5dae5>] netlink_rcv_skb+0x5a/0x180 [<00000000a604211b>] netlink_unicast+0x20a/0x2f0 [<00000000afcb86f9>] netlink_sendmsg+0x2b5/0x560 [<0000000072f405dc>] sock_sendmsg+0x4c/0x60 [<00000000c8cb5a69>] ____sys_sendmsg+0x2c0/0x2f0 [<00000000203f591d>] ___sys_sendmsg+0x8a/0xd0 [<00000000a3b97353>] __sys_sendmsg+0x77/0xe0 [<0000000015716d87>] do_syscall_64+0x6e/0x220 [<000000007cabd516>] entry_SYSCALL_64_after_hwframe+0x44/0xa9