lavf/libssh: fix seek to nagative position

Signed-off-by: Lukasz Marek <lukasz.m.luki@gmail.com>
11 years ago · 0025f13005
parent fbf98375e4
commit 0025f13005
1 changed files with 5 additions and 0 deletions
--- a/libavformat/libssh.c
+++ b/libavformat/libssh.c
@ -243,6 +243,11 @@ static int64_t libssh_seek(URLContext *h, int64_t pos, int whence)
        return AVERROR(EINVAL);
    }

+    if (newpos < 0) {
+        av_log(h, AV_LOG_ERROR, "Seeking to nagative position.\n");
+        return AVERROR(EINVAL);
+    }
+
    if (sftp_seek64(libssh->file, newpos)) {
        av_log(h, AV_LOG_ERROR, "Error during seeking.\n");
        return AVERROR(EIO);