Catch malloc(3) errors and socket(2) errors

- malloc failing will result in a delayed segfault
- socket failing will result in delayed failures with setsockopt

Exit in the event that either of these high-level conditions are met.

Reported by: Coverity
CID: 976288, 976321, 976858
Sponsored by: EMC / Isilon Storage Division
This commit is contained in:
Enji Cooper 2016-05-29 03:42:50 +00:00
parent 08f9163b69
commit 43db5d126c
Notes: svn2git 2020-12-20 02:59:44 +00:00
svn path=/head/; revision=300932

View File

@ -336,6 +336,7 @@ network_init(void)
if (local_in4 == NULL) {
if (debugging)
fprintf(stderr, "can't alloc local ip4 addr\n");
exit(1);
}
memcpy(local_in4, res->ai_addr, sizeof *local_in4);
}
@ -351,6 +352,7 @@ network_init(void)
if (local_in6 == NULL) {
if (debugging)
fprintf(stderr, "can't alloc local ip6 addr\n");
exit(1);
}
memcpy(local_in6, res->ai_addr, sizeof *local_in6);
}
@ -365,6 +367,11 @@ network_init(void)
inet_pton(AF_INET6, RPCB_MULTICAST_ADDR, &mreq6.ipv6mr_multiaddr);
s = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP);
if (s == -1) {
if (debugging)
fprintf(stderr, "couldn't create ip6 socket");
exit(1);
}
/*
* Loop through all interfaces. For each IPv6 multicast-capable