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| author | Jan Kara <jack@suse.cz> | 2023-01-25 18:49:00 +0300 |
|---|---|---|
| committer | Jan Kara <jack@suse.cz> | 2023-01-26 18:46:32 +0300 |
| commit | 3bea4ae1c97bab48bef4b1694915b43a5543c9c7 (patch) | |
| tree | 946c1a81f5836f93839acc77db24fa6e50ee83b6 /fs/udf/directory.c | |
| parent | 7a5fa171a2869e99fe38f61c60274e7b4bf3a5e0 (diff) | |
| download | linux-3bea4ae1c97bab48bef4b1694915b43a5543c9c7.tar.xz | |
udf: Zero udf name padding
Padding of name in the directory entry needs to be zeroed out. Fix it.
Signed-off-by: Jan Kara <jack@suse.cz>
Diffstat (limited to 'fs/udf/directory.c')
| -rw-r--r-- | fs/udf/directory.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/fs/udf/directory.c b/fs/udf/directory.c index 18a1514871fe..e8cf13214c8c 100644 --- a/fs/udf/directory.c +++ b/fs/udf/directory.c @@ -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); |