eabdullin
6bc5576cfe
implementation - Add a system test for mixed-case data for the same owner - Fixes of CVE-2023-4408 - Prevent assertion failure when nxdomain-redirect is used with RFC 1918 reverse zones - Prevent assertion failure if DNS64 and serve-stale is used - Specific recursive query patterns may lead to an out-of-memory condition - Prevent increased CPU consumption in DNSSEC validator - Add mctx attach/detach when creating/destroying a memory pool - Define variants to empty values
41 lines
1.3 KiB
Diff
41 lines
1.3 KiB
Diff
From d249889a9c18df7792ca3cd8d97897e4fb5824b5 Mon Sep 17 00:00:00 2001
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From: Aram Sargsyan <aram@isc.org>
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Date: Wed, 31 Aug 2022 12:30:38 +0000
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Subject: [PATCH] Add mctx attach/detach when creating/destroying a memory pool
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This should make sure that the memory context is not destroyed
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before the memory pool, which is using the context.
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(cherry picked from commit e97c3eea954e055634b72c21325d2611e960ee94)
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---
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lib/isc/mem.c | 6 ++++--
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1 file changed, 4 insertions(+), 2 deletions(-)
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diff --git a/lib/isc/mem.c b/lib/isc/mem.c
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index f84d300..33ece7a 100644
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--- a/lib/isc/mem.c
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+++ b/lib/isc/mem.c
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@@ -1656,7 +1656,8 @@ isc_mempool_create(isc_mem_t *mctx0, size_t size, isc_mempool_t **mpctxp) {
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mpctx->common.impmagic = MEMPOOL_MAGIC;
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mpctx->common.magic = ISCAPI_MPOOL_MAGIC;
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mpctx->lock = NULL;
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- mpctx->mctx = mctx;
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+ mpctx->mctx = NULL;
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+ isc_mem_attach((isc_mem_t *)mctx, (isc_mem_t **)&mpctx->mctx);
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/*
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* Mempools are stored as a linked list of element.
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*/
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@@ -1765,7 +1766,8 @@ isc_mempool_destroy(isc_mempool_t **mpctxp) {
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mpctx->common.impmagic = 0;
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mpctx->common.magic = 0;
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- isc_mem_put((isc_mem_t *)mpctx->mctx, mpctx, sizeof(isc__mempool_t));
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+ isc_mem_putanddetach((isc_mem_t **)&mpctx->mctx, mpctx,
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+ sizeof(isc__mempool_t));
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if (lock != NULL) {
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UNLOCK(lock);
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--
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2.43.2
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