[  OK  ] Reached target Login Prompts.
[  OK  ] Reached target Multi-User System.
[  OK  ] Reached target Graphical Interface.
         Starting Update UTMP about System Runlevel Changes...
[  OK  ] Started Update UTMP about System Runlevel Changes.


Debian GNU/Linux 9 syzkaller ttyS0

Warning: Permanently added '10.128.1.7' (ECDSA) to the list of known hosts.
syzkaller login: [   35.416483][   T24] audit: type=1400 audit(1600753873.028:8): avc:  denied  { execmem } for  pid=6496 comm="syz-executor226" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1
executing program
[   42.654680][ T6499] EXT4-fs error (device loop0): ext4_quota_enable:6125: comm syz-executor226: Bad quota inode # 3
[   42.665412][ T6499] EXT4-fs warning (device loop0): ext4_enable_quotas:6162: Failed to enable quota tracking (type=0, err=-116). Please run e2fsck to fix.
[   42.679593][ T6499] EXT4-fs (loop0): mount failed
executing program
[   48.052601][ T6505] EXT4-fs error (device loop0): ext4_quota_enable:6125: comm syz-executor226: Bad quota inode # 3
[   48.063316][ T6505] EXT4-fs warning (device loop0): ext4_enable_quotas:6162: Failed to enable quota tracking (type=0, err=-116). Please run e2fsck to fix.
[   48.077623][ T6505] EXT4-fs (loop0): mount failed
executing program
[   53.488186][ T6512] EXT4-fs error (device loop0): ext4_quota_enable:6125: comm syz-executor226: Bad quota inode # 3
[   53.498971][ T6512] EXT4-fs warning (device loop0): ext4_enable_quotas:6162: Failed to enable quota tracking (type=0, err=-116). Please run e2fsck to fix.
[   53.513291][ T6512] EXT4-fs (loop0): mount failed
[   54.693037][ T6496] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
BUG: memory leak
unreferenced object 0xffff888116c05720 (size 32):
  comm "syz-executor226", pid 6505, jiffies 4294942081 (age 13.080s)
  hex dump (first 32 bytes):
    6c 6f 6f 70 30 00 00 00 00 00 00 00 20 00 00 00  loop0....... ...
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<00000000151b21ef>] kstrdup+0x36/0x70
    [<00000000469c192c>] kstrdup_const+0x35/0x60
    [<000000003ad77c7a>] kvasprintf_const+0x72/0xe0
    [<000000004c2ca377>] kobject_set_name_vargs+0x3b/0xe0
    [<00000000bf787a73>] kobject_init_and_add+0x6d/0xc0
    [<0000000098e4c0d0>] ext4_register_sysfs+0x6b/0x160
    [<000000009700b792>] ext4_fill_super+0x2d04/0x46c0
    [<000000000ca7c48b>] mount_bdev+0x1d3/0x210
    [<000000003f19091a>] legacy_get_tree+0x26/0x70
    [<0000000005af42f8>] vfs_get_tree+0x28/0xe0
    [<000000004ea18aab>] path_mount+0x90e/0xda0
    [<0000000059b153c8>] __x64_sys_mount+0x140/0x190
    [<000000004c8e3554>] do_syscall_64+0x2d/0x70
    [<00000000285a79d4>] entry_SYSCALL_64_after_hwframe+0x44/0xa9