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BUG/MEDIUM: mux-fcgi: Use a safe loop to resume each stream eligible for sending

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At the end of fcgi_send(), if the connection is not full anymore, we loop on
the send list to resume FCGI stream for sending. But a streams may be
removed from the this list during the loop. So a safe loop must be used.

This patch should be backported to all stable versions.
This commit is contained in:
Christopher Faulet 2026-03-05 14:18:41 +01:00
parent 25d6e65aae
commit 9b22f22858
1 changed files with 2 additions and 2 deletions
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4
src/mux_fcgi.c
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@ -2987,9 +2987,9 @@ static int fcgi_send(struct fcgi_conn *fconn)
* for us.
*/
if (!(fconn->flags & (FCGI_CF_MUX_MFULL | FCGI_CF_DEM_MROOM)) && fconn->state >= FCGI_CS_RECORD_H) {
struct fcgi_strm *fstrm;
struct fcgi_strm *fstrm, *fstrm_back;
list_for_each_entry(fstrm, &fconn->send_list, send_list) {
list_for_each_entry_safe(fstrm, fstrm_back, &fconn->send_list, send_list) {
if (fconn->state == FCGI_CS_CLOSED || fconn->flags & FCGI_CF_MUX_BLOCK_ANY)
break;