Files
linux/fs
Theodore Ts'o 33458eaba4 ext4: fix use-after-free race in ext4_remount()'s error path
It's possible for ext4_show_quota_options() to try reading
s_qf_names[i] while it is being modified by ext4_remount() --- most
notably, in ext4_remount's error path when the original values of the
quota file name gets restored.

Reported-by: syzbot+a2872d6feea6918008a9@syzkaller.appspotmail.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@kernel.org # 3.2+
2018-10-12 09:28:09 -04:00
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