[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?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: [ 27.251201][ T24] kauditd_printk_skb: 37 callbacks suppressed [ 27.251207][ T24] audit: type=1400 audit(1569197597.482:54): avc: denied { map } for pid=6794 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 '10.128.0.194' (ECDSA) to the list of known hosts. [ 33.116693][ T24] audit: type=1400 audit(1569197603.352:55): avc: denied { map } for pid=6808 comm="syz-executor370" path="/root/syz-executor370940973" dev="sda1" ino=16499 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 39.883504][ T6811] IPVS: ftp: loaded support on port[0] = 21 [ 39.899839][ T6811] chnl_net:caif_netlink_parms(): no params data found [ 39.910903][ T6811] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.918038][ T6811] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.925261][ T6811] device bridge_slave_0 entered promiscuous mode [ 39.931857][ T6811] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.939005][ T6811] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.946236][ T6811] device bridge_slave_1 entered promiscuous mode [ 39.955673][ T6811] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 39.965108][ T6811] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 39.976786][ T6811] team0: Port device team_slave_0 added [ 39.982767][ T6811] team0: Port device team_slave_1 added [ 40.023305][ T6811] device hsr_slave_0 entered promiscuous mode [ 40.062761][ T6811] device hsr_slave_1 entered promiscuous mode [ 40.114417][ T6811] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.121490][ T6811] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.128710][ T6811] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.135720][ T6811] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.149022][ T6811] 8021q: adding VLAN 0 to HW filter on device bond0 [ 40.156836][ T3041] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.164429][ T3041] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.171718][ T3041] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.179201][ T3041] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 40.187871][ T6811] 8021q: adding VLAN 0 to HW filter on device team0 [ 40.195467][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 40.203603][ T44] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.210603][ T44] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.222405][ T6811] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 40.232878][ T6811] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 40.243812][ T3041] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 40.251910][ T3041] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.258932][ T3041] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.267532][ T3041] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 40.275578][ T3041] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 40.283838][ T3041] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 40.291667][ T3041] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 40.299712][ T3041] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 40.306971][ T3041] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready executing program [ 40.316744][ T6811] 8021q: adding VLAN 0 to HW filter on device batadv0 executing program [ 47.071205][ T6811] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff8881226afc00 (size 96): comm "syz-executor370", pid 6821, jiffies 4294941309 (age 13.600s) 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: [<00000000803875cd>] kmem_cache_alloc_trace+0x145/0x2c0 [<00000000720739d9>] sctp_stream_init_ext+0x2b/0xe0 [<00000000c19cd75b>] sctp_sendmsg_to_asoc+0x94a/0xa10 [<00000000c4b17ba2>] sctp_sendmsg+0x2a6/0xc60 [<00000000cbe1f79e>] inet_sendmsg+0x3e/0x60 [<000000000f53ee3f>] sock_sendmsg+0x54/0x70 [<000000008205a709>] sock_write_iter+0xb6/0x130 [<0000000078c10028>] new_sync_write+0x1ad/0x260 [<000000001a80502a>] __vfs_write+0x87/0xa0 [<00000000c7daa291>] vfs_write+0xee/0x210 [<00000000a63def75>] ksys_write+0x7c/0x130 [<0000000071034cda>] __x64_sys_write+0x1e/0x30 [<00000000467c1000>] do_syscall_64+0x73/0x1f0 [<00000000526eba40>] entry_SYSCALL_64_after_hwframe+0x44/0xa9