Skip to content

Fix GH-21161: socket_set_option() crash with array 'addr' entry as null. #21166

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Closed
devnexen wants to merge 2 commits into from
+20 −1
Closed

Fix GH-21161: socket_set_option() crash with array 'addr' entry as null. #21166

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
8b8afe9
Fix GH-21161: socket_set_option() crash with array 'addr' entry as null.
devnexen Feb 8, 2026
6d640a7
add test
devnexen Feb 9, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 1 addition & 1 deletion ext/sockets/conversions.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -611,7 +611,7 @@ static void from_zval_write_sin6_addr(const zval *zaddr_str, char *addr6, ser_co
} else {
/* error already emitted, but let's emit another more relevant */
do_from_zval_err(ctx, "could not resolve address '%s' to get an AF_INET6 "
"address", Z_STRVAL_P(zaddr_str));
"address", ZSTR_VAL(addr_str));
}

zend_tmp_string_release(tmp_addr_str);
Expand Down
19 changes: 19 additions & 0 deletions ext/sockets/tests/gh21161.phpt
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,19 @@
--TEST--
GH-21161 (IPV6_PKTINFO socket option crash with null addr array entry)
--EXTENSIONS--
sockets
--SKIPIF--
<?php
if (substr(PHP_OS, 0, 3) == 'WIN') {
die('skip.. Not valid for Windows');
}
?>
--FILE--
<?php
$sock = socket_create(AF_INET6, SOCK_DGRAM, 0);
socket_set_option($sock, IPPROTO_IPV6, IPV6_PKTINFO, ['addr' => null, 'ifindex' => 0]);
?>
--EXPECTF--
Warning: socket_set_option(): Host lookup failed [%i]: %s on line %d

Warning: socket_set_option(): error converting user data (path: in6_pktinfo > addr): could not resolve address '' to get an AF_INET6 address in %s on line %d
Loading