Pi-Hole/dnsmasq
1
0
Fork 0
mirror of https://github.com/pi-hole/dnsmasq.git synced 2025-12-19 18:28:25 +00:00
Code Issues Packages Projects Releases Wiki Activity

Avoid division by zero with unlucky choices of max-port and min-port.

Browse Source
This commit is contained in:
Simon Kelley
2025-02-20 23:43:10 +00:00
parent 5487f6979e
commit 581c201aa8
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
src/network.c
View File

@@ -1379,7 +1379,7 @@ int local_bind(int fd, union mysockaddr *addr, char *intname, unsigned int ifind
/* cannot set source _port_ for TCP connections. */
if (is_tcp)
port = 0;
else if (port == 0 && daemon->max_port != 0)
else if (port == 0 && daemon->max_port != 0 && daemon->max_port >= daemon->min_port)
{
/* Bind a random port within the range given by min-port and max-port if either
or both are set. Otherwise use the OS's random ephemeral port allocation by