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Merge remote-tracking branch 'tor-github/pr/1725' into maint-0.4.3

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teor 2020-02-12 14:14:11 +10:00
commit e0ea7407a4
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2 changed files with 11 additions and 3 deletions
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3
changes/ticket28992 Normal file
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@ -0,0 +1,3 @@
o Minor bugfixes (onion service v3, client):
- Remove a BUG() that is causing a stacktrace for a situation that very
rarely happens but still can. Fixes bug 28992; bugfix on 0.3.2.1-alpha.

11
src/feature/hs/hs_client.c
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@ -633,9 +633,14 @@ send_introduce1(origin_circuit_t *intro_circ,
/* We need to find which intro point in the descriptor we are connected to
* on intro_circ. */
ip = find_desc_intro_point_by_ident(intro_circ->hs_ident, desc);
if (BUG(ip == NULL)) {
/* If we can find a descriptor from this introduction circuit ident, we
* must have a valid intro point object. Permanent error. */
if (ip == NULL) {
/* The following is possible if the descriptor was changed while we had
* this introduction circuit open and waiting for the rendezvous circuit to
* be ready. Which results in this situation where we can't find the
* corresponding intro point within the descriptor of the service. */
log_info(LD_REND, "Unable to find introduction point for service %s "
"while trying to send an INTRODUCE1 cell.",
safe_str_client(onion_address));
goto perm_err;
}