[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] 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. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 36.626302][ T22] kauditd_printk_skb: 41 callbacks suppressed [ 36.626309][ T22] audit: type=1400 audit(1570160189.697:62): avc: denied { map } for pid=6899 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 '10.128.0.67' (ECDSA) to the list of known hosts. [ 48.887675][ T22] audit: type=1400 audit(1570160201.957:63): avc: denied { map } for pid=6912 comm="syz-executor861" path="/root/syz-executor861914354" dev="sda1" ino=16502 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 55.588581][ T6913] IPVS: ftp: loaded support on port[0] = 21 [ 55.607183][ T6913] chnl_net:caif_netlink_parms(): no params data found [ 55.618232][ T6913] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.625272][ T6913] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.632522][ T6913] device bridge_slave_0 entered promiscuous mode [ 55.639108][ T6913] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.646785][ T6913] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.654040][ T6913] device bridge_slave_1 entered promiscuous mode [ 55.663244][ T6913] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.672735][ T6913] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.683842][ T6913] team0: Port device team_slave_0 added [ 55.689638][ T6913] team0: Port device team_slave_1 added [ 55.721073][ T6913] device hsr_slave_0 entered promiscuous mode [ 55.800553][ T6913] device hsr_slave_1 entered promiscuous mode [ 55.862478][ T6913] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.869521][ T6913] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.876743][ T6913] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.883770][ T6913] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.896967][ T6913] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.904729][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.922461][ T23] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.929842][ T23] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.937935][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 55.946257][ T6913] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.953961][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.962152][ T2999] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.969153][ T2999] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.981125][ T6913] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 55.991496][ T6913] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 56.002468][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.010829][ T23] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.017834][ T23] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.025334][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.033782][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.041829][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.049716][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.057626][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 56.064888][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready executing program [ 56.074422][ T6913] 8021q: adding VLAN 0 to HW filter on device batadv0 executing program executing program executing program [ 73.285655][ T6913] kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff888117057980 (size 768): comm "syz-executor861", pid 6924, jiffies 4294943924 (age 13.870s) hex dump (first 32 bytes): 03 00 00 00 01 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: [<000000007ae9911e>] kmem_cache_alloc+0x13f/0x2c0 [<00000000365b23ef>] sock_alloc_inode+0x1c/0xa0 [<00000000a481bd90>] alloc_inode+0x2c/0xe0 [<000000006c9c5eec>] new_inode_pseudo+0x18/0x70 [<0000000023e3212b>] sock_alloc+0x1c/0x90 [<000000002a93178b>] __sock_create+0x8f/0x250 [<000000001774a856>] sock_create_kern+0x3b/0x50 [<00000000d3b10414>] smc_create+0xae/0x160 [<00000000d466f2f2>] __sock_create+0x164/0x250 [<000000006d864efa>] __sys_socket+0x69/0x110 [<000000008bfb9986>] __x64_sys_socket+0x1e/0x30 [<000000008d47dd8e>] do_syscall_64+0x73/0x1f0 [<000000002ce09452>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888112bf62d8 (size 56): comm "syz-executor861", pid 6924, jiffies 4294943924 (age 13.870s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 7a 05 17 81 88 ff ff f0 62 bf 12 81 88 ff ff .z.......b...... backtrace: [<000000007ae9911e>] kmem_cache_alloc+0x13f/0x2c0 [<00000000dce972f4>] security_inode_alloc+0x33/0xb0 [<0000000043f603a9>] inode_init_always+0x108/0x200 [<000000000d4916b5>] alloc_inode+0x49/0xe0 [<000000006c9c5eec>] new_inode_pseudo+0x18/0x70 [<0000000023e3212b>] sock_alloc+0x1c/0x90 [<000000002a93178b>] __sock_create+0x8f/0x250 [<000000001774a856>] sock_create_kern+0x3b/0x50 [<00000000d3b10414>] smc_create+0xae/0x160 [<00000000d466f2f2>] __sock_create+0x164/0x250 [<000000006d864efa>] __sys_socket+0x69/0x110 [<000000008bfb9986>] __x64_sys_socket+0x1e/0x30 [<000000008d47dd8e>] do_syscall_64+0x73/0x1f0 [<000000002ce09452>] entry_SYSCALL_64_after_hwframe+0x44/0xa9