Hi,
in_addmulti() is only called from ioctl(2) or setsockopt(2). Wait
for malloc(9) to make the system call reliable.
ok?
bluhm
Index: netinet/in.c
===================================================================
RCS file: /data/mirror/openbsd/cvs/src/sys/netinet/in.c,v
retrieving revision 1.171
diff -u -p -r1.171 in.c
--- netinet/in.c 10 Mar 2021 10:21:48 -0000 1.171
+++ netinet/in.c 4 Mar 2022 15:42:55 -0000
@@ -866,10 +866,7 @@ in_addmulti(struct in_addr *ap, struct i
* New address; allocate a new multicast record
* and link it into the interface's multicast list.
*/
- inm = malloc(sizeof(*inm), M_IPMADDR, M_NOWAIT | M_ZERO);
- if (inm == NULL)
- return (NULL);
-
+ inm = malloc(sizeof(*inm), M_IPMADDR, M_WAITOK | M_ZERO);
inm->inm_sin.sin_len = sizeof(struct sockaddr_in);
inm->inm_sin.sin_family = AF_INET;
inm->inm_sin.sin_addr = *ap;
