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Fix recursion bug on write error
Depending on the stack size, too many clients on the same channel quitting at the same time would trigger a crash due to too many recursive calls to Conn_Close().
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@ -1272,6 +1272,9 @@ Handle_Write( CONN_ID Idx )
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if (errno == EAGAIN || errno == EINTR)
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if (errno == EAGAIN || errno == EINTR)
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return true;
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return true;
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/* Log write errors but do not close the connection yet.
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* Calling Conn_Close() now could result in too many recursive calls.
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*/
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if (!Conn_OPTION_ISSET(&My_Connections[Idx], CONN_ISCLOSING))
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if (!Conn_OPTION_ISSET(&My_Connections[Idx], CONN_ISCLOSING))
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Log(LOG_ERR,
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Log(LOG_ERR,
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"Write error on connection %d (socket %d): %s!",
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"Write error on connection %d (socket %d): %s!",
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@ -1279,7 +1282,7 @@ Handle_Write( CONN_ID Idx )
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else
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else
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LogDebug("Recursive write error on connection %d (socket %d): %s!",
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LogDebug("Recursive write error on connection %d (socket %d): %s!",
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Idx, My_Connections[Idx].sock, strerror(errno));
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Idx, My_Connections[Idx].sock, strerror(errno));
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Conn_Close(Idx, "Write error", NULL, false);
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return false;
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return false;
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}
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}
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