Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 25.634765][ T24] kauditd_printk_skb: 16 callbacks suppressed [ 25.634771][ T24] audit: type=1800 audit(1563612163.138:33): pid=6693 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 25.662405][ T24] audit: type=1800 audit(1563612163.138:34): pid=6693 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 27.473176][ T24] audit: type=1400 audit(1563612164.978:35): avc: denied { map } for pid=6873 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 '10.128.10.56' (ECDSA) to the list of known hosts. [ 68.298054][ T24] audit: type=1400 audit(1563612205.798:36): avc: denied { map } for pid=6889 comm="syz-executor110" path="/root/syz-executor110699606" 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 executing program executing program executing program executing program executing program executing program [ 105.408603][ T6889] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff888114034680 (size 32): comm "syz-executor110", pid 6894, jiffies 4294947136 (age 13.580s) 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: [<00000000d259834b>] __kmalloc_track_caller+0x165/0x300 [<00000000ab207ec1>] memdup_user+0x26/0xa0 [<00000000c0909d36>] strndup_user+0x62/0x80 [<00000000a34a2d25>] dma_buf_ioctl+0x60/0x1b0 [<00000000d7817662>] do_vfs_ioctl+0x62a/0x810 [<00000000d24a671a>] ksys_ioctl+0x86/0xb0 [<00000000bd810f5d>] __x64_sys_ioctl+0x1e/0x30 [<000000005a8e86d5>] do_syscall_64+0x76/0x1a0 [<000000007d83529f>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888113b044a0 (size 32): comm "syz-executor110", pid 6895, jiffies 4294947728 (age 7.660s) 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: [<00000000d259834b>] __kmalloc_track_caller+0x165/0x300 [<00000000ab207ec1>] memdup_user+0x26/0xa0 [<00000000c0909d36>] strndup_user+0x62/0x80 [<00000000a34a2d25>] dma_buf_ioctl+0x60/0x1b0 [<00000000d7817662>] do_vfs_ioctl+0x62a/0x810 [<00000000d24a671a>] ksys_ioctl+0x86/0xb0 [<00000000bd810f5d>] __x64_sys_ioctl+0x1e/0x30 [<000000005a8e86d5>] do_syscall_64+0x76/0x1a0 [<000000007d83529f>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 112.154785][ T6889] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak)