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- Fix locking in libunbound ub_ctx_set_event call.

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Thanks to Qifan Zhang, Palo Alto Networks, for the report.
This commit is contained in:
W.C.A. Wijngaards
2026-06-16 10:42:39 +02:00
parent a45e54555d
commit f72e11ef5b
2 changed files with 9 additions and 0 deletions
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doc/Changelog
+2
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@@ -36,6 +36,8 @@
inconsistency between secret and public keys. Also
duplicate files are skipped. Thanks to Qifan Zhang, Palo
Alto Networks, for the report.
- Fix locking in libunbound ub_ctx_set_event call.
Thanks to Qifan Zhang, Palo Alto Networks, for the report.
15 June 2026: Wouter
- Fix to add `max-transfer-size` and `max-transfer-time` that
libunbound/libunbound.c
+7
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@@ -1467,8 +1467,15 @@ ub_ctx_set_event(struct ub_ctx* ctx, struct event_base* base) {
lock_basic_lock(&ctx->cfglock);
/* destroy the current worker - safe to pass in NULL */
/* Unlock the cfglock during libworker_delete_event, since it
* calls context_release_alloc, that wants to lock cfglock again.
* Since the event base is used from one thread, the one that
* called this function, it is safe to do so. */
lock_basic_unlock(&ctx->cfglock);
libworker_delete_event(ctx->event_worker);
ctx->event_worker = NULL;
lock_basic_lock(&ctx->cfglock);
new_base = ub_libevent_event_base(base);
if (new_base)
ctx->event_base = new_base;