nfs-utils/nfs-utils-1.1.4-sm-notify-freeaddrinfo.patch
Steve Dickson 70f89631d6 - text-based mount command: add function to parse numeric mount options
- text-based mount command: use po_get_numeric() for handling retry
- sm-notify command: fix a use-after-free bug
2008-12-17 20:23:11 +00:00

58 lines
1.3 KiB
Diff

diff -up nfs-utils-1.1.4/utils/statd/sm-notify.c.orig nfs-utils-1.1.4/utils/statd/sm-notify.c
--- nfs-utils-1.1.4/utils/statd/sm-notify.c.orig 2008-12-17 15:09:13.000000000 -0500
+++ nfs-utils-1.1.4/utils/statd/sm-notify.c 2008-12-17 15:11:07.000000000 -0500
@@ -133,6 +133,17 @@ static struct addrinfo *smn_lookup(const
return ai;
}
+static void smn_forget_host(struct nsm_host *host)
+{
+ unlink(host->path);
+ free(host->path);
+ free(host->name);
+ if (host->ai)
+ freeaddrinfo(host->ai);
+
+ free(host);
+}
+
int
main(int argc, char **argv)
{
@@ -342,13 +353,8 @@ notify(void)
hp = hosts;
hosts = hp->next;
- if (notify_host(sock, hp)){
- unlink(hp->path);
- free(hp->name);
- free(hp->path);
- free(hp);
+ if (notify_host(sock, hp))
continue;
- }
/* Set the timeout for this call, using an
exponential timeout strategy */
@@ -403,6 +409,7 @@ notify_host(int sock, struct nsm_host *h
nsm_log(LOG_WARNING,
"%s doesn't seem to be a valid address,"
" skipped", host->name);
+ smn_forget_host(host);
return 1;
}
}
@@ -547,11 +554,7 @@ recv_reply(int sock)
if (p <= end) {
nsm_log(LOG_DEBUG, "Host %s notified successfully",
hp->name);
- unlink(hp->path);
- free(hp->name);
- free(hp->path);
- free(hp);
- freeaddrinfo(hp->ai);
+ smn_forget_host(hp);
return;
}
}