xsteadfastx/wireguard-go
1
0
Fork 0
mirror of https://git.zx2c4.com/wireguard-go synced 2024-11-15 01:05:15 +01:00
Code Issues Releases Wiki Activity

tun: fix crash when ForceMTU is called after close

Browse Source 
Close closes the events channel, resulting in a panic from send on
closed channel.

Reported-By: Brad Fitzpatrick <brad@tailscale.com>
Signed-off-by: James Tucker <james@tailscale.com>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
This commit is contained in:
James Tucker 2023-09-27 14:52:21 -07:00 committed by Jason A. Donenfeld
parent 1ec454f253
commit ec8f6f82c2
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
tun/tun_windows.go
View File

@ -127,6 +127,9 @@ func (tun *NativeTun) MTU() (int, error) {
// TODO: This is a temporary hack. We really need to be monitoring the interface in real time and adapting to MTU changes. // TODO: This is a temporary hack. We really need to be monitoring the interface in real time and adapting to MTU changes.
func (tun *NativeTun) ForceMTU(mtu int) { func (tun *NativeTun) ForceMTU(mtu int) {
if tun.close.Load() {
return
}
update := tun.forcedMTU != mtu update := tun.forcedMTU != mtu
tun.forcedMTU = mtu tun.forcedMTU = mtu
if update { if update {