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Code Issues Releases Wiki Activity

fix race in ISC_QUEUE_PUSH

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This commit is contained in:
Mark Andrews
2012-07-17 15:12:20 +10:00
parent e8df7f7aef
commit 1a594d204a
2 changed files with 4 additions and 2 deletions
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2
CHANGES
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@@ -1,3 +1,5 @@
3349. [bug] Change #3345 was incomplete. [RT #30233]
3348. [security] prevent RRSIG data from being cached if a negative
record matching the covering type exists at a higher
trust level. Such data already can't be retrieved from

4
lib/isc/include/isc/queue.h
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@@ -106,10 +106,10 @@
LOCK(&(queue).taillock); \
headlocked = ISC_TRUE; \
} \
if ((queue).tail != NULL) \
(queue).tail->link.next = (elt); \
(elt)->link.prev = (queue).tail; \
(elt)->link.next = NULL; \
if ((queue).tail != NULL) \
(queue).tail->link.next = (elt); \
(queue).tail = (elt); \
UNLOCK(&(queue).taillock); \
if (headlocked) { \