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xfs: use strscpy() to instead of strncpy()

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The implementation of strscpy() is more robust and safer.
That's now the recommended way to copy NUL-terminated strings.

Signed-off-by: Xu Panda <xu.panda@zte.com.cn>
Signed-off-by: Yang Yang <yang.yang29@zte.com.cn>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Xu Panda 2023-02-01 09:31:34 -08:00 • committed by Darrick J. Wong
parent 6d796c50f8
commit 8954c44ff4
1 changed files with 1 additions and 3 deletions
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4
fs/xfs/xfs_xattr.c
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@ -212,9 +212,7 @@ __xfs_xattr_put_listent(
offset = context->buffer + context->count; offset = context->buffer + context->count;
memcpy(offset, prefix, prefix_len); memcpy(offset, prefix, prefix_len);
offset += prefix_len; offset += prefix_len;
strncpy(offset, (char *)name, namelen); /* real name */ strscpy(offset, (char *)name, namelen + 1); /* real name */
offset += namelen;
*offset = '\0';
compute_size: compute_size:
context->count += prefix_len + namelen + 1; context->count += prefix_len + namelen + 1;