[ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.10' (ECDSA) to the list of known hosts. syzkaller login: [ 74.225605][ T26] audit: type=1400 audit(1590652608.721:8): avc: denied { execmem } for pid=6613 comm="syz-executor297" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 executing program [ 81.650702][ T6614] netlink: 21 bytes leftover after parsing attributes in process `syz-executor297'. executing program [ 87.174667][ T6615] netlink: 21 bytes leftover after parsing attributes in process `syz-executor297'. executing program [ 92.704800][ T6616] netlink: 21 bytes leftover after parsing attributes in process `syz-executor297'. [ 93.899047][ T6613] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff8881185e6640 (size 32): comm "syz-executor297", pid 6615, jiffies 4294945972 (age 13.270s) hex dump (first 32 bytes): 00 a9 64 84 ff ff ff ff a0 a1 b4 83 ff ff ff ff ..d............. 00 00 00 00 00 00 00 00 5f 74 3a 73 30 00 00 00 ........_t:s0... backtrace: [<00000000bc98a402>] genl_rcv_msg+0x360/0x520 [<000000003d6624c9>] netlink_rcv_skb+0x5a/0x180 [<0000000074042848>] genl_rcv+0x24/0x40 [<00000000bc5361fc>] netlink_unicast+0x20a/0x2f0 [<0000000017f1388f>] netlink_sendmsg+0x2b5/0x560 [<00000000719d7a40>] sock_sendmsg+0x4c/0x60 [<00000000635ac96e>] sock_write_iter+0xc5/0x140 [<0000000048e65510>] new_sync_write+0x18e/0x240 [<00000000d4674025>] __vfs_write+0x73/0x90 [<000000004ecec3d2>] vfs_write+0xe0/0x200 [<00000000ef25720e>] ksys_write+0xd8/0x120 [<0000000075c78c81>] do_syscall_64+0x6e/0x220 [<00000000075737bb>] entry_SYSCALL_64_after_hwframe+0x44/0xa9