net: add debug info to __skb_pull()
authorEric Dumazet <edumazet@google.com>
Thu, 2 Jun 2022 16:18:58 +0000 (09:18 -0700)
committerJakub Kicinski <kuba@kernel.org>
Thu, 2 Jun 2022 17:15:05 +0000 (10:15 -0700)
commit22296a5c0cd35aaf62e1af3266f82cdf6b0b9b78
tree0f328bfb3dc7bcc9234d882d320c15603ca94107
parenteb0b39efb7d908e3950f6f76ee6e3cecb86ec489
net: add debug info to __skb_pull()

While analyzing yet another syzbot report, I found the following
patch very useful. It allows to better understand what went wrong.

This debug info is only enabled if CONFIG_DEBUG_NET=y,
which is the case for syzbot builds.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
include/linux/skbuff.h