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Author SHA1 Message Date
Petr VaganovandGitHub 6cbcea3ac7 daemon: fix DEREF_AFTER_NULL.EX.COND on worker_init (#1467) 
Found by the static analyzer Svace (ISP RAS).

After having been compared to a NULL value at worker.c:2216,
pointer 'worker->stat_timer' is passed in call to function
'worker_restart_timer' at worker.c:2319,where it is
dereferenced at worker.c:2029.

Fix that stat_timer creation failure in worker_init does
not continue with a NULL timer that causes a crash later.

Signed-off-by: Petr Vaganov <petrvaganoff@gmail.com>
 2026-06-26 13:42:29 +02:00
W.C.A. Wijngaards 65e23d4b6f - Merge #1465 from dag-erling: Add libunbound/remote.h. Add 
a shared header containing prototypes for functions that
  both ends of a remote control connection need to implement.
 2026-06-25 11:16:01 +02:00
Dag-Erling SmørgravandGitHub fbe41cdef9 Add libunbound/remote.h (#1465) 
Add a shared header containing prototypes for functions that both ends
of a remote control connection need to implement.
 2026-06-25 11:14:37 +02:00
W.C.A. Wijngaards 01a95108b3 - Fix warning about file_string_matches in unbound-checkconf. 2026-06-19 09:30:46 +02:00
W.C.A. Wijngaards f75d11821f - Fix to update github ci actions/checkout to v7. 2026-06-19 09:25:39 +02:00
W.C.A. Wijngaards 6aa5cfc903 - Fix for #1457: fix thread setname for thread start of 
dnstap, and fast_reload.
 2026-06-19 08:37:23 +02:00
Yorgos Thessalonikefs f6931c794e - Fix memory leak on DNAME 0TTL records. 2026-06-17 17:30:21 +02:00
W.C.A. Wijngaards 4c5082ad05 - Fix that fast_reload does not terminate the server if 
random init for DNS cookies fails. The data is only random
  generated if cookies are enabled, and the random data
  is necessary. Thanks to Qifan Zhang, Palo Alto Networks,
  for the report.
 2026-06-17 16:15:15 +02:00
W.C.A. Wijngaards 5fb892a097 - Fix that fast_reload does not terminate the server 
on config read failure after malloc failure. Thanks to
  Qifan Zhang, Palo Alto Networks, for the report.
 2026-06-17 16:10:48 +02:00
W.C.A. Wijngaards 55e9532d16 - Fix after malloc failure for stats, then it drains the pipe 
so the internal messaging stays correct. Also it does
  not exit the server if stats pipe communication fails.
  Thanks to Qifan Zhang, Palo Alto Networks, for the report.
 2026-06-17 16:05:45 +02:00
W.C.A. Wijngaards fff6657cea - Fix that fast_reload does not terminate the server 
on malloc failure for dnstap, or if gethostname fails.
  Thanks to Qifan Zhang, Palo Alto Networks, for the report.
 2026-06-17 16:02:21 +02:00
W.C.A. Wijngaards 45d1e75caf - Fix to check for malloc failure in rpz response create, 
for nodata and nxdomain, so it does not crash later.
  Thanks to Qifan Zhang, Palo Alto Networks, for the report.
 2026-06-17 15:59:29 +02:00
W.C.A. Wijngaards b806f16c8b - Fix to check the return value of auth_xfer_create 
during fast_reload auth-zone add and change processing.
  Thanks to Qifan Zhang, Palo Alto Networks, for the report.
 2026-06-17 15:57:30 +02:00
W.C.A. Wijngaards 8d3348c71b - Fix that malloc failure during edns subnet addrtree 
insert is checked, so it does not crash later. Thanks to
  Qifan Zhang, Palo Alto Networks, for the report.
 2026-06-17 15:55:33 +02:00
W.C.A. Wijngaards e2cc14681e - Fix that malloc failure for rpz_strip_nsdname is 
checked and handled, so that it does not crash later.
  Thanks to Qifan Zhang, Palo Alto Networks, for the report.
 2026-06-17 15:53:28 +02:00
W.C.A. Wijngaards 5ae979bb6e - Fix that on malloc failure during accept of TCP, the 
socket is not left to cause a read event loop. It uses
  slow-accept to delay accepting new connections, if
  that fails it drops the new connections. When the tcp
  connection usage is full, it waits for 50msec, to allow
  existing queries to be resolved. Thanks to Qifan Zhang,
  Palo Alto Networks, for the report.
 2026-06-17 15:37:04 +02:00
W.C.A. Wijngaards 8f2fbd66fc - Fix that malloc failure for ngtcp2_conn_server_new 
cleans up reference that older ngtcp2 versions can leave.
  Thanks to Qifan Zhang, Palo Alto Networks, for the report.
 2026-06-17 15:33:06 +02:00
W.C.A. Wijngaards b5909d8d22 - Fix that malloc failure in doq connection setup, does 
not crash in doq connection delete later. Thanks to Qifan
  Zhang, Palo Alto Networks, for the report.
 2026-06-17 15:29:48 +02:00
W.C.A. Wijngaards fa8e94f155 - Fix that malloc failure for new_local_rrset for RPZ qname 
trigger RR insert does not crash. It does not link a
  partial RRset, and logs an error on failure, and cleans
  up the dname allocation. Thanks to Qifan Zhang, Palo Alto
  Networks, for the report.
 2026-06-17 15:26:56 +02:00
W.C.A. Wijngaards cb5683aeae - Fix that malloc failure in dns64_inform_super does 
not set up a half-built reply for cache store, that could
  lead to a crash. Thanks to Qifan Zhang, Palo Alto Networks,
  for the report.
 2026-06-17 15:23:25 +02:00
W.C.A. Wijngaards c9715724ec - Fix that unbound-control auth_zone_reload stops the 
server answering from the zone after a failure to read.
  Thanks to Qifan Zhang, Palo Alto Networks, for the report.
 2026-06-17 15:20:22 +02:00
W.C.A. Wijngaards 78d9cfffd8 - Fix that malloc failure in auth-zone insert rr does 
not create an empty node and does not cause an infinite
  loop. Thanks to Qifan Zhang, Palo Alto Networks, for
  the report.
 2026-06-17 15:16:21 +02:00
W.C.A. Wijngaards b47b1d048d - Fix that unbound-checkconf checks if an auth-zone download 
can overwrite another file, by filename collision.
  Thanks to Qifan Zhang, Palo Alto Networks, for the report.
 2026-06-17 15:11:42 +02:00
W.C.A. Wijngaards 740952fb82 - Fix to remove debug from auth_transfer_limit test. 2026-06-17 11:38:24 +02:00
W.C.A. Wijngaards 5c550f4548 - Fix that after fast_reload the disown of the auth zone 
transfer task cleans the chunk list. Also fix the
  auth_transfer_limit test to use a forwarder for each type
  of failure, so the one is not blocked by the other waiting.
 2026-06-17 11:37:06 +02:00
W.C.A. Wijngaards 3d78cb8d9a - Fix for #1462: Fix that auth primary host name lookup 
allows CNAMEs.
 2026-06-16 11:13:47 +02:00
W.C.A. Wijngaards 1ab75c0043 - Fix after malloc failure the rrset_insert_rr in 
localzone processing, during RPZ qname trigger processing,
  the RRset retains its previous data correcly. Thanks to
  Qifan Zhang, Palo Alto Networks, for the report.
 2026-06-16 10:59:37 +02:00
W.C.A. Wijngaards bebc8d516b - Fix incorrect cleanup after an allocation failure for 
a delegation point in a region. Thanks to Qifan Zhang,
  Palo Alto Networks, for the report.
 2026-06-16 10:56:36 +02:00
W.C.A. Wijngaards a7debe7ff6 - Fix that after shared memory cannot be created, from 
`shm-enable`, the server does not crash. Thanks to Qifan
  Zhang, Palo Alto Networks, for the report.
 2026-06-16 10:53:40 +02:00
W.C.A. Wijngaards 215e3920ef - Fix that after malloc failure in find_tag_datas, the 
local_alias is cleaned up. Thanks to Qifan Zhang, Palo
  Alto Networks, for the report.
 2026-06-16 10:51:49 +02:00
W.C.A. Wijngaards aabf28aef5 - Fix incorrect cleanup after an allocation failure for 
a delegation point. Thanks to Qifan Zhang, Palo Alto
  Networks, for the report.
 2026-06-16 10:49:50 +02:00
W.C.A. Wijngaards aa09835c90 - Fix for neater solution to clear log thread id after 
worker init failure. Thanks to Qifan Zhang, Palo Alto
  Networks, for the report.
 2026-06-16 10:48:17 +02:00
W.C.A. Wijngaards 9b9e13b665 - Fix that libunbound pipe functions fail with error after 
an event base is set. Thanks to Qifan Zhang, Palo Alto
  Networks, for the report.
 2026-06-16 10:44:41 +02:00
W.C.A. Wijngaards f72e11ef5b - Fix locking in libunbound ub_ctx_set_event call. 
Thanks to Qifan Zhang, Palo Alto Networks, for the report.
 2026-06-16 10:42:39 +02:00
W.C.A. Wijngaards a45e54555d - Fix that dnscrypt configuration does not crash, due to 
inconsistency between secret and public keys. Also
  duplicate files are skipped. Thanks to Qifan Zhang, Palo
  Alto Networks, for the report.
 2026-06-16 10:40:10 +02:00
W.C.A. Wijngaards 4693c00c9f - Fix that after malloc failure in RPZ load a half built 
list does not crash later. The newly created RRset is
  linked after creation has succeeded. Thanks to Qifan Zhang,
  Palo Alto Networks, for the report.
 2026-06-16 10:35:41 +02:00
W.C.A. Wijngaards 8fe23e0297 - Fix that for a zonefile only zone, if that file does not 
exist on server start, the server continues to start with
  a warning log message. Thanks to Qifan Zhang, Palo Alto
  Networks, for the report.
 2026-06-16 10:26:25 +02:00
W.C.A. Wijngaards 8557788699 - Fix that after malloc failure a half-built local_alias does 
not crash the server. Thanks to Qifan Zhang, Palo Alto
  Networks, for the report.
 2026-06-16 10:12:19 +02:00
W.C.A. Wijngaards 81a19ebeb3 - Fix that a signed wildcard NSEC, is checked before use, 
so it does not allow insecure DS proofs inappropriately.
  Thanks to Qifan Zhang, Palo Alto Networks, for the report.
 2026-06-16 10:09:00 +02:00
W.C.A. Wijngaards 299df5ec77 - Fix that dns64 does not ignore the forward-no-cache and 
`stub-no-cache` options. Thanks to Qifan Zhang, Palo Alto
  Networks, for the report.
 2026-06-16 09:52:46 +02:00
W.C.A. Wijngaards 6f9b6db7be - Fix that auth-zone, and RPZ zones, do not allow out-of-zone 
records. These are records that are not under the zone apex.
  The out-of-zone records are dropped from the zone contents.
  Thanks to Qifan Zhang, Palo Alto Networks, for the report.
 2026-06-16 09:48:10 +02:00
W.C.A. Wijngaards 96f15b9160 - Fix that a half-written trust anchor file does not crash 
the server at runtime. It unlinks a wrong file from the list.
  Thanks to Qifan Zhang, Palo Alto Networks, for the report.
 2026-06-16 09:45:10 +02:00
W.C.A. Wijngaards 159384c2a9 - Fix that when SVCB records cannot be written out, and 
are written in unknown format, that the zone read allows
  such unknown format SVCB records. Thanks to Qifan Zhang,
  Palo Alto Networks, for the report.
 2026-06-16 09:36:33 +02:00
W.C.A. Wijngaards 621fc91453 - Fix to disallow $INCLUDE for secondary zones. Start up 
of server continues if a secondary zone fails to load.
  Failed loads clear the zone data, so there is no partial
  zone. Thanks to Qifan Zhang, Palo Alto Networks, for
  the report.
 2026-06-16 09:30:52 +02:00
W.C.A. Wijngaards 543c49f76c - Fix that dns64 bypasses rpz-passthru rule during 
synthesis. This restricted more than necessary. Thanks to
  Qifan Zhang, Palo Alto Networks, for the report.
 2026-06-15 16:50:42 +02:00
W.C.A. Wijngaards d0a760a587 - Fix misconfigured ipsecmod hook causing path name 
similarity with other file. The ipsecmod is changed for
  exec of the hook. The ipsecmod hook, if a script, has to
  start now with a line like `#!/bin/sh`. Thanks to Qifan
  Zhang, Palo Alto Networks, for the report.
 2026-06-15 16:45:53 +02:00
W.C.A. Wijngaards f68cca4097 - Fix DNAME synthesis from cache that keeps use of 0TTL 
entries in a sliding window. It did not surpass RRSIG
  expiry. Thanks to Qifan Zhang, Palo Alto Networks, for
  the report.
 2026-06-15 16:39:34 +02:00
W.C.A. Wijngaards 3129357874 - Fix log of an aliased qname, to not use freed region 
memory. Thanks to Qifan Zhang, Palo Alto Networks, for
  the report.
 2026-06-15 16:34:17 +02:00
W.C.A. Wijngaards fc09352df6 - Fix that fast_reload does not terminate the server for 
errors in config, for key files. Thanks to Qifan Zhang,
  Palo Alto Networks, for the report.
 2026-06-15 16:31:37 +02:00
W.C.A. Wijngaards 06da5d45a3 - Fix integer overflow for very high values of 
`sock-queue-timeout`. Thanks to Qifan Zhang, Palo Alto
  Networks, for the report.
 2026-06-15 16:28:30 +02:00