[ 32.097436][ T26] audit: type=1800 audit(1580110453.632:33): pid=7234 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 [ 32.119224][ T26] audit: type=1800 audit(1580110453.632:34): pid=7234 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 '10.128.0.8' (ECDSA) to the list of known hosts. syzkaller login: [ 62.751939][ T26] kauditd_printk_skb: 7 callbacks suppressed [ 62.751947][ T26] audit: type=1400 audit(1580110484.282:42): avc: denied { map } for pid=7428 comm="syz-executor183" path="/root/syz-executor183819226" dev="sda1" ino=2339 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 [ 69.623821][ T7429] REISERFS warning (device loop0): sh-2021 reiserfs_fill_super: can not find reiserfs on loop0 executing program [ 75.649580][ T7435] REISERFS warning (device loop0): sh-2021 reiserfs_fill_super: can not find reiserfs on loop0 executing program [ 81.635337][ T7442] REISERFS warning (device loop0): sh-2021 reiserfs_fill_super: can not find reiserfs on loop0 [ 82.602872][ T7428] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff8881213779a0 (size 32): comm "syz-executor183", pid 7435, jiffies 4294944836 (age 13.900s) hex dump (first 32 bytes): 2e 2f 66 69 6c 65 30 3d 00 30 00 00 00 00 00 00 ./file0=.0...... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000006061193f>] __kmalloc_track_caller+0x165/0x300 [<000000000e991fae>] kstrdup+0x3a/0x70 [<0000000060386e4d>] reiserfs_fill_super+0x500/0x1120 [<0000000045525904>] mount_bdev+0x1ce/0x210 [<00000000ac18b37d>] get_super_block+0x35/0x40 [<00000000c50ed9b4>] legacy_get_tree+0x27/0x80 [<00000000aba370f1>] vfs_get_tree+0x2d/0xe0 [<000000004d108bfb>] do_mount+0x97c/0xc80 [<000000002fa681ab>] __x64_sys_mount+0xc0/0x140 [<000000002be3733e>] do_syscall_64+0x73/0x220 [<00000000a0f1a45b>] entry_SYSCALL_64_after_hwframe+0x44/0xa9