[....] 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: [ 28.399365][ T25] kauditd_printk_skb: 18 callbacks suppressed [ 28.399388][ T25] audit: type=1400 audit(1567975456.657:35): avc: denied { map } for pid=6811 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 '10.128.0.114' (ECDSA) to the list of known hosts. [ 34.182874][ T25] audit: type=1400 audit(1567975462.447:36): avc: denied { map } for pid=6824 comm="syz-executor529" path="/root/syz-executor529189754" dev="sda1" ino=16484 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 executing program [ 51.376084][ T6824] kmemleak: 378 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff888120563b00 (size 224): comm "syz-executor529", pid 6827, jiffies 4294941354 (age 12.470s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 60 ca 24 81 88 ff ff 00 48 01 1c 81 88 ff ff .`.$.....H...... backtrace: [<00000000b62f3c96>] kmem_cache_alloc_node+0x163/0x2f0 [<00000000e7205187>] __alloc_skb+0x6e/0x210 [<00000000ccac54e0>] alloc_skb_with_frags+0x5f/0x250 [<000000002bb89425>] sock_alloc_send_pskb+0x269/0x2a0 [<00000000b16a9f41>] sock_alloc_send_skb+0x32/0x40 [<00000000c8ea4a38>] llc_ui_sendmsg+0x10a/0x540 [<000000007062c894>] sock_sendmsg+0x54/0x70 [<000000006d9dd3e1>] ___sys_sendmsg+0x194/0x3c0 [<0000000080b48fab>] __sys_sendmmsg+0xf4/0x270 [<00000000f4c4615c>] __x64_sys_sendmmsg+0x28/0x30 [<00000000c32781f4>] do_syscall_64+0x76/0x1a0 [<00000000cd312021>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88811a92c200 (size 224): comm "syz-executor529", pid 6827, jiffies 4294941354 (age 12.470s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 60 ca 24 81 88 ff ff 00 48 01 1c 81 88 ff ff .`.$.....H...... backtrace: [<00000000b62f3c96>] kmem_cache_alloc_node+0x163/0x2f0 [<00000000e7205187>] __alloc_skb+0x6e/0x210 [<00000000ccac54e0>] alloc_skb_with_frags+0x5f/0x250 [<000000002bb89425>] sock_alloc_send_pskb+0x269/0x2a0 [<00000000b16a9f41>] sock_alloc_send_skb+0x32/0x40 [<00000000c8ea4a38>] llc_ui_sendmsg+0x10a/0x540 [<000000007062c894>] sock_sendmsg+0x54/0x70 [<000000006d9dd3e1>] ___sys_sendmsg+0x194/0x3c0 [<0000000080b48fab>] __sys_sendmmsg+0xf4/0x270 [<00000000f4c4615c>] __x64_sys_sendmmsg+0x28/0x30 [<00000000c32781f4>] do_syscall_64+0x76/0x1a0 [<00000000cd312021>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888122279c00 (size 224): comm "syz-executor529", pid 6827, jiffies 4294941354 (age 12.470s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 60 ca 24 81 88 ff ff 00 48 01 1c 81 88 ff ff .`.$.....H...... backtrace: [<00000000b62f3c96>] kmem_cache_alloc_node+0x163/0x2f0 [<00000000e7205187>] __alloc_skb+0x6e/0x210 [<00000000ccac54e0>] alloc_skb_with_frags+0x5f/0x250 [<000000002bb89425>] sock_alloc_send_pskb+0x269/0x2a0 [<00000000b16a9f41>] sock_alloc_send_skb+0x32/0x40 [<00000000c8ea4a38>] llc_ui_sendmsg+0x10a/0x540 [<000000007062c894>] sock_sendmsg+0x54/0x70 [<000000006d9dd3e1>] ___sys_sendmsg+0x194/0x3c0 [<0000000080b48fab>] __sys_sendmmsg+0xf4/0x270 [<00000000f4c4615c>] __x64_sys_sendmmsg+0x28/0x30 [<00000000c32781f4>] do_syscall_64+0x76/0x1a0 [<00000000cd312021>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888119245c00 (size 512): comm "syz-executor529", pid 6827, jiffies 4294941354 (age 12.470s) hex dump (first 32 bytes): 82 0f 00 05 03 00 07 06 69 63 65 73 2f 76 69 72 ........ices/vir 74 75 61 6c c0 c0 bf 81 03 00 74 79 6e 75 6c 6c tual......tynull backtrace: [<00000000450ccc87>] kmem_cache_alloc_node_trace+0x161/0x2f0 [<00000000159bb842>] __kmalloc_node_track_caller+0x38/0x50 [<00000000c344bb7a>] __kmalloc_reserve.isra.0+0x40/0xb0 [<000000005cdacf4c>] __alloc_skb+0xa0/0x210 [<00000000ccac54e0>] alloc_skb_with_frags+0x5f/0x250 [<000000002bb89425>] sock_alloc_send_pskb+0x269/0x2a0 [<00000000b16a9f41>] sock_alloc_send_skb+0x32/0x40 [<00000000c8ea4a38>] llc_ui_sendmsg+0x10a/0x540 [<000000007062c894>] sock_sendmsg+0x54/0x70 [<000000006d9dd3e1>] ___sys_sendmsg+0x194/0x3c0 [<0000000080b48fab>] __sys_sendmmsg+0xf4/0x270 [<00000000f4c4615c>] __x64_sys_sendmmsg+0x28/0x30 [<00000000c32781f4>] do_syscall_64+0x76/0x1a0 [<00000000cd312021>] entry_SYSCALL_64_after_hwframe+0x44/0xa9