mir/bind
2
0
Fork 0
mirror of https://gitlab.isc.org/isc-projects/bind9 synced 2025-08-31 14:35:26 +00:00
Code Issues Releases Wiki Activity

[master] SIT/max-cache-size flag collision

Browse Source 
3824.	[bug]		A collision between two flag values could cause
			problems with cache cleaning when SIT was enabled.
			[RT #35858]
This commit is contained in:
Evan Hunt
2014-04-28 10:24:39 -07:00
parent 76884179fd
commit e01fbe2a45
3 changed files with 9 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
lib/dns/adb.c
View File

@@ -357,7 +357,7 @@ static void dump_entry(FILE *, dns_adbentry_t *, isc_boolean_t, isc_stdtime_t);
* Private flag(s) for entries.
* MUST NOT overlap FCTX_ADDRINFO_xxx and DNS_FETCHOPT_NOEDNS0.
*/
#define ENTRY_IS_DEAD 0x80000000
#define ENTRY_IS_DEAD 0x00400000
/*
* To the name, address classes are all that really exist. If it has a
@@ -4041,6 +4041,9 @@ dns_adb_changeflags(dns_adb_t *adb, dns_adbaddrinfo_t *addr,
REQUIRE(DNS_ADB_VALID(adb));
REQUIRE(DNS_ADBADDRINFO_VALID(addr));
REQUIRE((bits & ENTRY_IS_DEAD) == 0);
REQUIRE((mask & ENTRY_IS_DEAD) == 0);
bucket = addr->entry->lock_bucket;
LOCK(&adb->entrylocks[bucket]);