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udf: Zero udf name padding

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Padding of name in the directory entry needs to be zeroed out. Fix it.

Signed-off-by: Jan Kara <jack@suse.cz>
This commit is contained in:
Jan Kara 2023-01-25 16:49:00 +01:00
parent 7a5fa171a2
commit 3bea4ae1c9
1 changed files with 7 additions and 1 deletions
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8
fs/udf/directory.c
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@ -367,6 +367,8 @@ static void udf_copy_fi_to_bufs(char *buf1, int len1, char *buf2, int len2,
int fioff = off;
int crcoff = off + sizeof(struct tag);
unsigned int crclen = udf_dir_entry_len(fi) - sizeof(struct tag);
char zeros[UDF_NAME_PAD] = {};
int endoff = off + udf_dir_entry_len(fi);
udf_copy_to_bufs(buf1, len1, buf2, len2, off, fi,
sizeof(struct fileIdentDesc));
@ -375,9 +377,13 @@ static void udf_copy_fi_to_bufs(char *buf1, int len1, char *buf2, int len2,
udf_copy_to_bufs(buf1, len1, buf2, len2, off, impuse,
le16_to_cpu(fi->lengthOfImpUse));
off += le16_to_cpu(fi->lengthOfImpUse);
if (name)
if (name) {
udf_copy_to_bufs(buf1, len1, buf2, len2, off, name,
fi->lengthFileIdent);
off += fi->lengthFileIdent;
udf_copy_to_bufs(buf1, len1, buf2, len2, off, zeros,
endoff - off);
}
crc = udf_crc_fi_bufs(buf1, len1, buf2, len2, crcoff, crclen);
fi->descTag.descCRC = cpu_to_le16(crc);