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authorTaesoo Kim <tsgatesv@gmail.com>2015-03-21 19:08:30 -0400
committerSteve French <smfrench@gmail.com>2015-03-21 12:01:50 -0500
commit2bd50fb3d4d31f5168ecea221f291534cd0a96e9 (patch)
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parente1e9bda22d7ddf88515e8fe401887e313922823e (diff)
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cifs: potential memory leaks when parsing mnt opts
For example, when mount opt is redundently specified (e.g., "user=A,user=B,user=C"), kernel kept allocating new key/val with kstrdup() and overwrite previous ptr (to be freed). Althouhg mount.cifs in userspace performs a bit of sanitization (e.g., forcing one user option), current implementation is not robust. Other options such as iocharset and domainanme are similarly vulnerable. Signed-off-by: Taesoo Kim <tsgatesv@gmail.com> Signed-off-by: Steve French <smfrench@gmail.com>
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