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Change BUG() messages in buf_flush_to_tls() to IF_BUG_ONCE()
We introduced these BUG() checks in b0ddaac074
to prevent a
recurrence of bug 23690. But there's a report of the BUG() message
getting triggered and filling up the disk. Let's change it to
IF_BUG_ONCE().
Fixes bug 33093; bugfix on 0.3.2.2-alpha.
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5
changes/bug33093_logging
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5
changes/bug33093_logging
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@ -0,0 +1,5 @@
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o Minor bugfixes (logging):
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- If we encounter a bug when flushing a buffer to a TLS connection,
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only log the bug once per invocation of the Tor process. Previously we
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would log with every occurrence, which could cause us to run out of
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disk space. Fixes bug 33093; bugfix on 0.3.2.2-alpha.
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@ -146,10 +146,10 @@ buf_flush_to_tls(buf_t *buf, tor_tls_t *tls, size_t flushlen,
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size_t flushed = 0;
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ssize_t sz;
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tor_assert(buf_flushlen);
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if (BUG(*buf_flushlen > buf->datalen)) {
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IF_BUG_ONCE(*buf_flushlen > buf->datalen) {
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*buf_flushlen = buf->datalen;
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}
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if (BUG(flushlen > *buf_flushlen)) {
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IF_BUG_ONCE(flushlen > *buf_flushlen) {
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flushlen = *buf_flushlen;
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}
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sz = (ssize_t) flushlen;
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