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authorJan Kara <jack@suse.cz>2009-02-04 19:46:11 +0100
committerJan Kara <jack@suse.cz>2009-04-02 12:29:53 +0200
commit59285c28d18b77437e6dc7c2abb9aaee10ec3a75 (patch)
tree70e567d2372045363f5062b59619f680f65172c3 /fs/udf/super.c
parentudf: return f_fsid for statfs(2) (diff)
downloadlinux-59285c28d18b77437e6dc7c2abb9aaee10ec3a75.tar.xz
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udf: Fix oops when invalid character in filename occurs
Functions udf_CS0toNLS() and udf_NLStoCS0() didn't count with the fact that NLS can return negative length when invalid character is given to it for conversion. Thus interesting things could happen (such as overwriting random memory with the rest of filename). Add appropriate checks. Signed-off-by: Jan Kara <jack@suse.cz>
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