[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [ 28.200881][ T25] audit: type=1400 audit(1582617597.209:37): avc: denied { watch } for pid=7080 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 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: [ 32.851131][ T25] kauditd_printk_skb: 3 callbacks suppressed [ 32.851138][ T25] audit: type=1400 audit(1582617601.859:41): avc: denied { map } for pid=7164 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 '10.128.0.13' (ECDSA) to the list of known hosts. [ 38.992383][ T25] audit: type=1400 audit(1582617607.999:42): avc: denied { map } for pid=7178 comm="syz-executor064" path="/root/syz-executor064375175" 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 [ 39.020091][ T25] audit: type=1400 audit(1582617607.999:43): avc: denied { integrity } for pid=7178 comm="syz-executor064" 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 [ 52.624239][ T7178] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff8881217b42c0 (size 32): comm "syz-executor064", pid 7179, jiffies 4294941853 (age 13.700s) 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: [<000000007e2fa122>] __kmalloc_track_caller+0x165/0x300 [<00000000ce3b9a43>] memdup_user+0x26/0xc0 [<00000000d8a74c95>] strndup_user+0x62/0x80 [<00000000803a8e36>] dma_buf_ioctl+0x60/0x1e0 [<00000000f669e1f9>] ksys_ioctl+0xb4/0xe0 [<00000000e792fa02>] __x64_sys_ioctl+0x1e/0x30 [<00000000d8af9c45>] do_syscall_64+0x73/0x220 [<00000000a4577140>] entry_SYSCALL_64_after_hwframe+0x44/0xa9