[....] 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: [ 29.283328][ T22] kauditd_printk_skb: 40 callbacks suppressed [ 29.283335][ T22] audit: type=1400 audit(1569371479.715:61): avc: denied { map } for pid=6738 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 '10.128.10.14' (ECDSA) to the list of known hosts. [ 35.134156][ T22] audit: type=1400 audit(1569371485.565:62): avc: denied { map } for pid=6752 comm="syz-executor228" path="/root/syz-executor228501435" dev="sda1" ino=16498 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 41.771776][ T6754] IPVS: ftp: loaded support on port[0] = 21 [ 41.789511][ T6754] chnl_net:caif_netlink_parms(): no params data found [ 41.800480][ T6754] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.807639][ T6754] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.814798][ T6754] device bridge_slave_0 entered promiscuous mode [ 41.821449][ T6754] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.828879][ T6754] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.836229][ T6754] device bridge_slave_1 entered promiscuous mode [ 41.844868][ T6754] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 41.854370][ T6754] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 41.865452][ T6754] team0: Port device team_slave_0 added [ 41.871356][ T6754] team0: Port device team_slave_1 added [ 41.906269][ T6754] device hsr_slave_0 entered promiscuous mode [ 41.955735][ T6754] device hsr_slave_1 entered promiscuous mode [ 42.007471][ T6754] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.014552][ T6754] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.021778][ T6754] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.028787][ T6754] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.041591][ T6754] 8021q: adding VLAN 0 to HW filter on device bond0 [ 42.049293][ T3042] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 42.056839][ T3042] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.064043][ T3042] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.071509][ T3042] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 42.080161][ T6754] 8021q: adding VLAN 0 to HW filter on device team0 [ 42.087745][ T3036] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.095847][ T3036] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.102844][ T3036] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.114555][ T6754] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 42.125016][ T6754] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 42.136209][ T3042] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.144320][ T3042] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.151336][ T3042] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.158771][ T3042] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 42.167026][ T3042] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 42.174942][ T3042] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 42.182814][ T3042] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 42.190677][ T3042] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 42.197922][ T3042] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready executing program [ 42.207271][ T6754] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 46.705944][ T20] device bridge_slave_1 left promiscuous mode [ 46.712065][ T20] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.765948][ T20] device bridge_slave_0 left promiscuous mode [ 46.772131][ T20] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.945969][ T20] device hsr_slave_0 left promiscuous mode [ 46.985712][ T20] device hsr_slave_1 left promiscuous mode [ 47.026782][ T20] team0 (unregistering): Port device team_slave_1 removed [ 47.034468][ T20] team0 (unregistering): Port device team_slave_0 removed [ 47.042168][ T20] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 47.076197][ T20] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 47.139159][ T20] bond0 (unregistering): Released all slaves [ 51.086303][ T6752] kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff88811fc75100 (size 224): comm "syz-executor228", pid 6754, jiffies 4294941496 (age 10.800s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 40 d4 24 81 88 ff ff 00 88 41 21 81 88 ff ff .@.$......A!.... backtrace: [<000000002b39820c>] kmem_cache_alloc_node+0x163/0x2f0 [<00000000bdee2bc8>] __alloc_skb+0x6e/0x210 [<0000000057420f8a>] llc_alloc_frame+0x66/0x110 [<00000000ef69c05e>] llc_conn_ac_send_sabme_cmd_p_set_x+0x2f/0x140 [<00000000e3b622b8>] llc_conn_state_process+0x1ac/0x640 [<00000000db21857c>] llc_establish_connection+0x110/0x170 [<00000000e205aac3>] llc_ui_connect+0x10e/0x370 [<0000000000b12fea>] __sys_connect+0x11d/0x170 [<000000006e746044>] __x64_sys_connect+0x1e/0x30 [<00000000feb2d329>] do_syscall_64+0x73/0x1f0 [<000000001cdfa0d9>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88811c007e00 (size 512): comm "syz-executor228", pid 6754, jiffies 4294941496 (age 10.800s) hex dump (first 32 bytes): 01 80 c2 00 00 00 00 00 00 00 00 00 00 03 00 05 ................ 7f 00 00 00 00 00 00 00 01 00 00 00 01 00 00 00 ................ backtrace: [<000000003c8e0244>] kmem_cache_alloc_node_trace+0x161/0x2f0 [<00000000ed279e14>] __kmalloc_node_track_caller+0x38/0x50 [<0000000037d32c9c>] __kmalloc_reserve.isra.0+0x40/0xb0 [<000000008454b1d7>] __alloc_skb+0xa0/0x210 [<0000000057420f8a>] llc_alloc_frame+0x66/0x110 [<00000000ef69c05e>] llc_conn_ac_send_sabme_cmd_p_set_x+0x2f/0x140 [<00000000e3b622b8>] llc_conn_state_process+0x1ac/0x640 [<00000000db21857c>] llc_establish_connection+0x110/0x170 [<00000000e205aac3>] llc_ui_connect+0x10e/0x370 [<0000000000b12fea>] __sys_connect+0x11d/0x170 [<000000006e746044>] __x64_sys_connect+0x1e/0x30 [<00000000feb2d329>] do_syscall_64+0x73/0x1f0 [<000000001cdfa0d9>] entry_SYSCALL_64_after_hwframe+0x44/0xa9