diff options
| author | Chris J Arges <carges@cloudflare.com> | 2026-04-08 14:10:47 -0500 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2026-04-12 09:05:02 -0700 |
| commit | b258cba1e05df758e4e99a0e374da3e044618475 (patch) | |
| tree | 282a92474d48ae0d24bf80e383d64d83dd9ac8a5 /net/core/dev.c | |
| parent | cea470a6944f6e0b07780ec9d9d3d8b97279b2c3 (diff) | |
| download | linux-b258cba1e05df758e4e99a0e374da3e044618475.tar.gz linux-b258cba1e05df758e4e99a0e374da3e044618475.zip | |
net: Add net_cookie to Dead loop messages
Network devices can have the same name within different network namespaces.
To help distinguish these devices, add the net_cookie value which can be
used to identify the netns.
Signed-off-by: Chris J Arges <carges@cloudflare.com>
Link: https://patch.msgid.link/20260408191056.1036330-1-carges@cloudflare.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/core/dev.c')
| -rw-r--r-- | net/core/dev.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/net/core/dev.c b/net/core/dev.c index e7bc95cbd1fa..ccc4418b3163 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -4894,8 +4894,9 @@ int __dev_queue_xmit(struct sk_buff *skb, struct net_device *sb_dev) } else { /* Recursion is detected! It is possible unfortunately. */ recursion_alert: - net_crit_ratelimited("Dead loop on virtual device %s, fix it urgently!\n", - dev->name); + net_crit_ratelimited("Dead loop on virtual device %s (net %llu), fix it urgently!\n", + dev->name, dev_net(dev)->net_cookie); + rc = -ENETDOWN; } |