[ 27.967119][ T25] audit: type=1800 audit(1579889298.587:33): pid=7074 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 27.989176][ T25] audit: type=1800 audit(1579889298.587:34): pid=7074 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. 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. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.239' (ECDSA) to the list of known hosts. syzkaller login: [ 38.326040][ T25] kauditd_printk_skb: 7 callbacks suppressed [ 38.326047][ T25] audit: type=1400 audit(1579889308.947:42): avc: denied { map } for pid=7264 comm="syz-executor912" path="/root/syz-executor912799708" dev="sda1" ino=16482 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 [ 68.677911][ T7264] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 70.654230][ T7264] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff888119419de0 (size 32): comm "syz-executor912", pid 7267, jiffies 4294942376 (age 20.800s) hex dump (first 32 bytes): 01 00 6d 61 62 75 66 3a 00 00 00 00 00 00 00 00 ..mabuf:........ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000cf57554e>] __kmalloc_track_caller+0x165/0x300 [<00000000e7a71727>] memdup_user+0x26/0xc0 [<0000000050be1e53>] strndup_user+0x62/0x80 [<0000000018586285>] dma_buf_ioctl+0x60/0x1e0 [<000000007a144c0f>] do_vfs_ioctl+0x551/0x890 [<000000007362d541>] ksys_ioctl+0x86/0xb0 [<00000000d4b8427a>] __x64_sys_ioctl+0x1e/0x30 [<0000000017c98b6f>] do_syscall_64+0x73/0x220 [<00000000b80ae668>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88811a56bec0 (size 32): comm "syz-executor912", pid 7269, jiffies 4294943555 (age 9.010s) hex dump (first 32 bytes): 01 00 6d 61 62 75 66 3a 00 00 00 00 00 00 00 00 ..mabuf:........ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000cf57554e>] __kmalloc_track_caller+0x165/0x300 [<00000000e7a71727>] memdup_user+0x26/0xc0 [<0000000050be1e53>] strndup_user+0x62/0x80 [<0000000018586285>] dma_buf_ioctl+0x60/0x1e0 [<000000007a144c0f>] do_vfs_ioctl+0x551/0x890 [<000000007362d541>] ksys_ioctl+0x86/0xb0 [<00000000d4b8427a>] __x64_sys_ioctl+0x1e/0x30 [<0000000017c98b6f>] do_syscall_64+0x73/0x220 [<00000000b80ae668>] entry_SYSCALL_64_after_hwframe+0x44/0xa9