[ 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 '10.128.0.239' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 72.599864][ T36] audit: type=1804 audit(1618888562.041:2): pid=8390 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor710" name="/root/bus" dev="sda1" ino=13839 res=1 errno=0 [ 72.621019][ T36] audit: type=1800 audit(1618888562.041:3): pid=8390 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor710" name="bus" dev="sda1" ino=13839 res=0 errno=0 executing program [ 77.784131][ T36] audit: type=1804 audit(1618888567.221:4): pid=8391 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor710" name="/root/bus" dev="sda1" ino=13839 res=1 errno=0 [ 77.806618][ T36] audit: type=1800 audit(1618888567.221:5): pid=8391 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor710" name="bus" dev="sda1" ino=13839 res=0 errno=0 executing program [ 82.906685][ T36] audit: type=1804 audit(1618888572.351:6): pid=8392 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor710" name="/root/bus" dev="sda1" ino=13839 res=1 errno=0 [ 82.927829][ T36] audit: type=1800 audit(1618888572.351:7): pid=8392 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor710" name="bus" dev="sda1" ino=13839 res=0 errno=0 executing program [ 89.031363][ T36] audit: type=1804 audit(1618888578.471:8): pid=8393 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor710" name="/root/bus" dev="sda1" ino=13839 res=1 errno=0 [ 89.052515][ T36] audit: type=1800 audit(1618888578.471:9): pid=8393 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor710" name="bus" dev="sda1" ino=13839 res=0 errno=0 [ 95.041030][ T8389] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff88810e1c5800 (size 232): comm "syz-executor710", pid 8392, jiffies 4294945558 (age 14.250s) 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: [] __alloc_skb+0x20f/0x280 [] __pskb_copy_fclone+0x73/0x330 [] tipc_msg_reassemble+0x163/0x1a0 [] tipc_mcast_xmit+0x392/0x7c0 [] tipc_sendmcast+0x336/0x410 [] __tipc_sendmsg+0x760/0xa80 [] tipc_sendmsg+0x31/0x50 [] sock_sendmsg+0x56/0x80 [] sock_no_sendpage+0x8f/0xc0 [] kernel_sendpage.part.0+0xeb/0x150 [] sock_sendpage+0x5b/0x90 [] pipe_to_sendpage+0xa2/0x110 [] __splice_from_pipe+0x1e2/0x330 [] generic_splice_sendpage+0x6f/0xa0 [] direct_splice_actor+0x4b/0x70 [] splice_direct_to_actor+0x153/0x350