[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [ 26.141047][ T26] audit: type=1400 audit(1582618913.021:37): avc: denied { watch } for pid=7111 comm="restorecond" path="/root/.ssh" dev="sda1" ino=16179 scontext=system_u:system_r:kernel_t:s0 tcontext=unconfined_u:object_r:ssh_home_t:s0 tclass=dir permissive=1 [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 30.964314][ T26] kauditd_printk_skb: 3 callbacks suppressed [ 30.964321][ T26] audit: type=1400 audit(1582618917.851:41): avc: denied { map } for pid=7194 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 '10.128.0.97' (ECDSA) to the list of known hosts. [ 54.373114][ T26] audit: type=1400 audit(1582618941.251:42): avc: denied { map } for pid=7209 comm="syz-executor325" path="/root/syz-executor325798922" dev="sda1" ino=1426 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 54.400250][ T26] audit: type=1400 audit(1582618941.251:43): avc: denied { integrity } for pid=7209 comm="syz-executor325" lockdown_reason="debugfs access" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=lockdown permissive=1 executing program executing program executing program executing program executing program [ 85.972409][ T7209] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff888115155a80 (size 32): comm "syz-executor325", pid 7213, jiffies 4294945183 (age 13.880s) hex dump (first 32 bytes): 00 64 6d 61 62 75 66 3a 00 00 00 00 00 00 00 00 .dmabuf:........ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000f8304b8a>] __kmalloc_track_caller+0x165/0x300 [<0000000095f9874f>] memdup_user+0x26/0xc0 [<0000000091387f74>] strndup_user+0x62/0x80 [<00000000103003fc>] dma_buf_ioctl+0x60/0x1e0 [<000000008abb93fd>] ksys_ioctl+0xb4/0xe0 [<0000000092c5b5eb>] __x64_sys_ioctl+0x1e/0x30 [<00000000f725912c>] do_syscall_64+0x73/0x220 [<000000003836dd1c>] entry_SYSCALL_64_after_hwframe+0x44/0xa9