[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] 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: [ 35.754571][ T25] kauditd_printk_skb: 48 callbacks suppressed [ 35.754577][ T25] audit: type=1400 audit(1570668483.037:69): avc: denied { map } for pid=6674 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 '10.128.0.162' (ECDSA) to the list of known hosts. [ 61.230978][ T25] audit: type=1400 audit(1570668508.517:70): avc: denied { map } for pid=6687 comm="syz-executor347" path="/root/syz-executor347410134" dev="sda1" ino=16461 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 67.980823][ T6688] IPVS: ftp: loaded support on port[0] = 21 [ 67.999538][ T6688] chnl_net:caif_netlink_parms(): no params data found [ 68.010858][ T6688] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.017897][ T6688] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.025230][ T6688] device bridge_slave_0 entered promiscuous mode [ 68.031894][ T6688] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.038955][ T6688] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.046371][ T6688] device bridge_slave_1 entered promiscuous mode [ 68.055573][ T6688] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.065010][ T6688] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.076260][ T6688] team0: Port device team_slave_0 added [ 68.082158][ T6688] team0: Port device team_slave_1 added [ 68.120197][ T6688] device hsr_slave_0 entered promiscuous mode [ 68.159526][ T6688] device hsr_slave_1 entered promiscuous mode [ 68.201283][ T6688] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.208334][ T6688] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.215587][ T6688] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.222613][ T6688] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.235513][ T6688] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.243786][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.251509][ T56] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.268874][ T56] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.276224][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 68.284632][ T6688] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.296443][ T6688] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 68.306912][ T6688] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 68.318007][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.326333][ T56] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.333394][ T56] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.340759][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.348877][ T56] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.355895][ T56] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.363715][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.371769][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.379724][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.387592][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready executing program [ 68.395623][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.402887][ T56] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.412441][ T6688] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.428145][ T6688] llc_conn_state_process: llc_conn_service failed [ 69.519778][ T20] device bridge_slave_1 left promiscuous mode [ 69.525896][ T20] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.579669][ T20] device bridge_slave_0 left promiscuous mode [ 69.585806][ T20] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.799616][ T20] device hsr_slave_0 left promiscuous mode [ 69.839427][ T20] device hsr_slave_1 left promiscuous mode [ 69.897771][ T20] team0 (unregistering): Port device team_slave_1 removed [ 69.905883][ T20] team0 (unregistering): Port device team_slave_0 removed [ 69.914468][ T20] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 69.977188][ T20] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 70.058760][ T20] bond0 (unregistering): Released all slaves [ 74.294954][ T6687] kmemleak: 495 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff88812170ca00 (size 224): comm "syz-executor347", pid 6688, jiffies 4294944113 (age 7.830s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 a0 11 25 81 88 ff ff 00 28 27 20 81 88 ff ff ...%.....(' .... backtrace: [<00000000676784fa>] kmem_cache_alloc_node+0x163/0x2f0 [<000000003e750ab7>] __alloc_skb+0x6e/0x210 [<0000000041ac97a7>] alloc_skb_with_frags+0x5f/0x250 [<00000000802e4b62>] sock_alloc_send_pskb+0x269/0x2a0 [<0000000044e9b08e>] sock_alloc_send_skb+0x32/0x40 [<000000001364d8c0>] llc_ui_sendmsg+0x10a/0x540 [<00000000e9763d6f>] sock_sendmsg+0x54/0x70 [<000000009c123ba9>] ___sys_sendmsg+0x194/0x3c0 [<00000000140c77e3>] __sys_sendmmsg+0xf4/0x270 [<00000000260b30bd>] __x64_sys_sendmmsg+0x28/0x30 [<000000009dc29866>] do_syscall_64+0x73/0x1f0 [<00000000171a0d39>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88811a11d600 (size 512): comm "syz-executor347", pid 6688, jiffies 4294944113 (age 7.830s) hex dump (first 32 bytes): 83 c0 7f 00 10 00 05 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 83 c0 bf 81 03 00 00 00 01 00 00 00 ................ backtrace: [<00000000fb46e1ac>] kmem_cache_alloc_node_trace+0x161/0x2f0 [<00000000732adfaa>] __kmalloc_node_track_caller+0x38/0x50 [<00000000cfe68403>] __kmalloc_reserve.isra.0+0x40/0xb0 [<00000000446e00d2>] __alloc_skb+0xa0/0x210 [<0000000041ac97a7>] alloc_skb_with_frags+0x5f/0x250 [<00000000802e4b62>] sock_alloc_send_pskb+0x269/0x2a0 [<0000000044e9b08e>] sock_alloc_send_skb+0x32/0x40 [<000000001364d8c0>] llc_ui_sendmsg+0x10a/0x540 [<00000000e9763d6f>] sock_sendmsg+0x54/0x70 [<000000009c123ba9>] ___sys_sendmsg+0x194/0x3c0 [<00000000140c77e3>] __sys_sendmmsg+0xf4/0x270 [<00000000260b30bd>] __x64_sys_sendmmsg+0x28/0x30 [<000000009dc29866>] do_syscall_64+0x73/0x1f0 [<00000000171a0d39>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88811e8b0d00 (size 224): comm "syz-executor347", pid 6688, jiffies 4294944113 (age 7.830s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 a0 11 25 81 88 ff ff 00 28 27 20 81 88 ff ff ...%.....(' .... backtrace: [<00000000676784fa>] kmem_cache_alloc_node+0x163/0x2f0 [<000000003e750ab7>] __alloc_skb+0x6e/0x210 [<0000000041ac97a7>] alloc_skb_with_frags+0x5f/0x250 [<00000000802e4b62>] sock_alloc_send_pskb+0x269/0x2a0 [<0000000044e9b08e>] sock_alloc_send_skb+0x32/0x40 [<000000001364d8c0>] llc_ui_sendmsg+0x10a/0x540 [<00000000e9763d6f>] sock_sendmsg+0x54/0x70 [<000000009c123ba9>] ___sys_sendmsg+0x194/0x3c0 [<00000000140c77e3>] __sys_sendmmsg+0xf4/0x270 [<00000000260b30bd>] __x64_sys_sendmmsg+0x28/0x30 [<000000009dc29866>] do_syscall_64+0x73/0x1f0 [<00000000171a0d39>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88811a11d800 (size 512): comm "syz-executor347", pid 6688, jiffies 4294944113 (age 7.830s) hex dump (first 32 bytes): 01 00 00 00 05 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 83 c0 bf 81 03 00 00 00 00 00 00 00 ................ backtrace: [<00000000fb46e1ac>] kmem_cache_alloc_node_trace+0x161/0x2f0 [<00000000732adfaa>] __kmalloc_node_track_caller+0x38/0x50 [<00000000cfe68403>] __kmalloc_reserve.isra.0+0x40/0xb0 [<00000000446e00d2>] __alloc_skb+0xa0/0x210 [<0000000041ac97a7>] alloc_skb_with_frags+0x5f/0x250 [<00000000802e4b62>] sock_alloc_send_pskb+0x269/0x2a0 [<0000000044e9b08e>] sock_alloc_send_skb+0x32/0x40 [<000000001364d8c0>] llc_ui_sendmsg+0x10a/0x540 [<00000000e9763d6f>] sock_sendmsg+0x54/0x70 [<000000009c123ba9>] ___sys_sendmsg+0x194/0x3c0 [<00000000140c77e3>] __sys_sendmmsg+0xf4/0x270 [<00000000260b30bd>] __x64_sys_sendmmsg+0x28/0x30 [<000000009dc29866>] do_syscall_64+0x73/0x1f0 [<00000000171a0d39>] entry_SYSCALL_64_after_hwframe+0x44/0xa9