diff options
Diffstat (limited to 'source4/ntvfs/posix/pvfs_streams.c')
| -rw-r--r-- | source4/ntvfs/posix/pvfs_streams.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/source4/ntvfs/posix/pvfs_streams.c b/source4/ntvfs/posix/pvfs_streams.c index 13a4ca1265..12f783e172 100644 --- a/source4/ntvfs/posix/pvfs_streams.c +++ b/source4/ntvfs/posix/pvfs_streams.c @@ -271,6 +271,11 @@ ssize_t pvfs_stream_write(struct pvfs_state *pvfs, if (count == 0) { return 0; } + if (offset > XATTR_MAX_STREAM_SIZE) { + errno = ENOSPC; + return -1; + } + /* we have to load the existing stream, then modify, then save */ status = pvfs_xattr_load(pvfs, h, h->name->full_name, h->fd, XATTR_DOSSTREAM_PREFIX, h->name->stream_name, offset+count, &blob); @@ -320,6 +325,11 @@ NTSTATUS pvfs_stream_truncate(struct pvfs_state *pvfs, { NTSTATUS status; DATA_BLOB blob; + + if (length > XATTR_MAX_STREAM_SIZE) { + return NT_STATUS_DISK_FULL; + } + /* we have to load the existing stream, then modify, then save */ status = pvfs_xattr_load(pvfs, name, name->full_name, fd, XATTR_DOSSTREAM_PREFIX, name->stream_name, length, &blob); |