net: add a debug check in __skb_push()

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Add the following check, to detect bugs sooner for CONFIG_DEBUG_NET=y
builds.

	DEBUG_NET_WARN_ON_ONCE(skb->data < skb->head);

Signed-off-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/20260130160253.2936789-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

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Eric Dumazet 2026-01-30 16:02:53 +00:00 • committed by Jakub Kicinski

parent 87ef8c26ae

commit dc9fd14bd7

1 changed files with 1 additions and 0 deletions

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include/linux/skbuff.h

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