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Fix another clusterfuzz identified issue (#15096) (#15114) 

Backport #15096

Signed-off-by: Andrew Thornton <art27@cantab.net>

Co-authored-by: techknowlogick <techknowlogick@gitea.io>
This commit is contained in:
zeripath 2021-03-22 20:27:21 +00:00 committed by GitHub
parent a6290f603f
commit 6198403fbc
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1 changed files with 1 additions and 1 deletions
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2
modules/markup/html.go
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@ -312,7 +312,7 @@ func (ctx *postProcessCtx) postProcess(rawHTML []byte) ([]byte, error) {
_, _ = res.WriteString("<html><body>")
// Strip out nuls - they're always invalid
_, _ = nulCleaner.WriteString(res, string(tagCleaner.ReplaceAll(rawHTML, []byte("&lt;$1"))))
_, _ = res.Write(tagCleaner.ReplaceAll([]byte(nulCleaner.Replace(string(rawHTML))), []byte("&lt;$1")))
// close the tags
_, _ = res.WriteString("</body></html>")