[....] 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. [ 26.403498][ T24] audit: type=1800 audit(1561907920.749:33): pid=6781 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 [ 26.425848][ T24] audit: type=1800 audit(1561907920.749:34): pid=6781 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: [ 31.366673][ T24] audit: type=1400 audit(1561907925.719:35): avc: denied { map } for pid=6952 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 '10.128.10.44' (ECDSA) to the list of known hosts. [ 37.363856][ T24] audit: type=1400 audit(1561907931.709:36): avc: denied { map } for pid=6966 comm="syz-executor530" path="/root/syz-executor530478373" dev="sda1" ino=16483 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 44.262942][ T6966] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 44.310586][ T6968] IPVS: ftp: loaded support on port[0] = 21 [ 44.329450][ T6968] chnl_net:caif_netlink_parms(): no params data found [ 44.340907][ T6968] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.348155][ T6968] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.356246][ T6968] device bridge_slave_0 entered promiscuous mode [ 44.362989][ T6968] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.371175][ T6968] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.378490][ T6968] device bridge_slave_1 entered promiscuous mode [ 44.387725][ T6968] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 44.396443][ T6968] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 44.407135][ T6968] team0: Port device team_slave_0 added [ 44.413204][ T6968] team0: Port device team_slave_1 added [ 44.454826][ T6968] device hsr_slave_0 entered promiscuous mode [ 44.504194][ T6968] device hsr_slave_1 entered promiscuous mode [ 44.556054][ T6968] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.563096][ T6968] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.570311][ T6968] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.577340][ T6968] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.591000][ T6968] 8021q: adding VLAN 0 to HW filter on device bond0 [ 44.598990][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 44.616674][ T5] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.624152][ T5] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.631410][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 44.640418][ T6968] 8021q: adding VLAN 0 to HW filter on device team0 [ 44.648304][ T3009] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 44.656476][ T3009] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.663473][ T3009] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.671816][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 44.680051][ T25] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.687244][ T25] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.698139][ T6968] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 44.708606][ T6968] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 44.719602][ T3009] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 44.727902][ T3009] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 44.736117][ T3009] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 44.744606][ T3009] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 44.752797][ T3009] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 44.760151][ T3009] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready executing program [ 44.770184][ T6968] 8021q: adding VLAN 0 to HW filter on device batadv0 executing program executing program [ 62.089012][ T6968] kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff888121755800 (size 632): comm "syz-executor530", pid 6979, jiffies 4294942876 (age 8.150s) hex dump (first 32 bytes): 03 00 00 00 01 00 00 00 00 00 00 00 00 00 00 00 ................ 40 a1 ab 18 81 88 ff ff 00 00 00 00 00 00 00 00 @............... backtrace: [<000000003ac7eea7>] kmem_cache_alloc+0x134/0x270 [<00000000f874f719>] sock_alloc_inode+0x1d/0xe0 [<000000005e823bc8>] alloc_inode+0x2c/0xe0 [<000000009a059866>] new_inode_pseudo+0x18/0x70 [<00000000c6606f11>] sock_alloc+0x1c/0x90 [<00000000765b19f9>] __sock_create+0x8f/0x250 [<0000000084c9c652>] sock_create_kern+0x3b/0x50 [<00000000e5b79c61>] smc_create+0xae/0x160 [<000000007f985bcd>] __sock_create+0x164/0x250 [<00000000c9caa1ad>] __sys_socket+0x69/0x110 [<00000000af9d728c>] __x64_sys_socket+0x1e/0x30 [<00000000af30e6af>] do_syscall_64+0x76/0x1a0 [<0000000075771fe4>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888122609ee0 (size 56): comm "syz-executor530", pid 6979, jiffies 4294942876 (age 8.150s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 30 58 75 21 81 88 ff ff f8 9e 60 22 81 88 ff ff 0Xu!......`".... backtrace: [<000000003ac7eea7>] kmem_cache_alloc+0x134/0x270 [<000000002141bbeb>] security_inode_alloc+0x33/0xb0 [<000000001aba5a29>] inode_init_always+0x108/0x200 [<000000001087289e>] alloc_inode+0x49/0xe0 [<000000009a059866>] new_inode_pseudo+0x18/0x70 [<00000000c6606f11>] sock_alloc+0x1c/0x90 [<00000000765b19f9>] __sock_create+0x8f/0x250 [<0000000084c9c652>] sock_create_kern+0x3b/0x50 [<00000000e5b79c61>] smc_create+0xae/0x160 [<000000007f985bcd>] __sock_create+0x164/0x250 [<00000000c9caa1ad>] __sys_socket+0x69/0x110 [<00000000af9d728c>] __x64_sys_socket+0x1e/0x30 [<00000000af30e6af>] do_syscall_64+0x76/0x1a0 [<0000000075771fe4>] entry_SYSCALL_64_after_hwframe+0x44/0xa9