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conncache: fix multi-thread use of shared connection cache

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It could accidentally let the connection get used by more than one
thread, leading to double-free and more.

Reported-by: Christopher Reid
Fixes #4544
Closes #4557
This commit is contained in:
Daniel Stenberg 2019-12-09 11:53:54 +01:00
parent 9e891ff54d
commit ee263de7a3
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GPG key ID: 5CC908FDB71E12C2
8 changed files with 58 additions and 52 deletions
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lib/http.c
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@ -1617,7 +1617,7 @@ CURLcode Curl_http_done(struct connectdata *conn,
Curl_add_buffer_free(&http->send_buffer);
}
Curl_http2_done(conn, premature);
Curl_http2_done(data, premature);
Curl_quic_done(data, premature);
Curl_mime_cleanpart(&http->form);