github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-09-24 06:24:02 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

net: remove WARN_ON_ONCE when accessing forward path array

Browse Source 
Although unlikely, recent support for IPIP tunnels increases chances of
reaching this WARN_ON_ONCE if userspace manages to build a sufficiently
long forward path.

Remove it.

Fixes: ddb94eafab ("net: resolve forwarding path from virtual netdevice and HW destination address")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Florian Westphal <fw@strlen.de>
This commit is contained in:
Pablo Neira Ayuso 2026-02-17 12:56:39 +01:00 committed by Florian Westphal
parent 8fde939b02
commit 008e7a7c29
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
net/core/dev.c
View File

@ -744,7 +744,7 @@ static struct net_device_path *dev_fwd_path(struct net_device_path_stack *stack)
{ {
int k = stack->num_paths++; int k = stack->num_paths++;
if (WARN_ON_ONCE(k >= NET_DEVICE_PATH_STACK_MAX)) if (k >= NET_DEVICE_PATH_STACK_MAX)
return NULL; return NULL;
return &stack->path[k]; return &stack->path[k];