[....] 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: [ 27.212841][ T24] kauditd_printk_skb: 18 callbacks suppressed [ 27.212847][ T24] audit: type=1400 audit(1567974010.629:35): avc: denied { map } for pid=6891 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 '10.128.0.166' (ECDSA) to the list of known hosts. [ 33.004616][ T24] audit: type=1400 audit(1567974016.419:36): avc: denied { map } for pid=6905 comm="syz-executor631" path="/root/syz-executor631392211" 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 [ 39.804554][ T6908] IPVS: ftp: loaded support on port[0] = 21 [ 39.823152][ T6908] chnl_net:caif_netlink_parms(): no params data found [ 39.834297][ T6908] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.842083][ T6908] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.849300][ T6908] device bridge_slave_0 entered promiscuous mode [ 39.855906][ T6908] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.863399][ T6908] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.870665][ T6908] device bridge_slave_1 entered promiscuous mode [ 39.879440][ T6908] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 39.888828][ T6908] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 39.900008][ T6908] team0: Port device team_slave_0 added [ 39.905822][ T6908] team0: Port device team_slave_1 added [ 39.948863][ T6908] device hsr_slave_0 entered promiscuous mode [ 39.988271][ T6908] device hsr_slave_1 entered promiscuous mode [ 40.070011][ T6908] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.077046][ T6908] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.084256][ T6908] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.091264][ T6908] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.104288][ T6908] 8021q: adding VLAN 0 to HW filter on device bond0 [ 40.112052][ T16] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.129666][ T16] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.136930][ T16] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.144824][ T16] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 40.153094][ T6908] 8021q: adding VLAN 0 to HW filter on device team0 [ 40.170753][ T41] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 40.178896][ T41] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.185899][ T41] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.197753][ T6908] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 40.208133][ T6908] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 40.218979][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 40.227058][ T42] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.234083][ T42] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.241538][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 40.249876][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 40.257810][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 40.265725][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready executing program [ 40.273731][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 40.281007][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 40.290568][ T6908] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 46.221346][ T6905] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff8881188b5900 (size 96): comm "syz-executor631", pid 6908, jiffies 4294941304 (age 7.970s) 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: [<0000000018d18f92>] kmem_cache_alloc_trace+0x145/0x2c0 [<00000000cee25397>] sctp_stream_init_ext+0x2b/0xe0 [<000000007812d0e9>] sctp_sendmsg_to_asoc+0x94a/0xa10 [<000000007f6170fb>] sctp_sendmsg+0x2a8/0x990 [<00000000030edb4f>] inet_sendmsg+0x3e/0x60 [<00000000c6dea7ca>] sock_sendmsg+0x54/0x70 [<00000000467ef0a0>] sock_write_iter+0xb6/0x130 [<000000005a934bf7>] new_sync_write+0x1ad/0x260 [<00000000a7b286ba>] __vfs_write+0x87/0xa0 [<0000000081d82229>] vfs_write+0xee/0x210 [<000000001f8245c1>] ksys_write+0x7c/0x130 [<000000007d4bcd8e>] __x64_sys_write+0x1e/0x30 [<0000000003872ca0>] do_syscall_64+0x76/0x1a0 [<0000000057a7d39c>] entry_SYSCALL_64_after_hwframe+0x44/0xa9