netdev - [PATCH v2 net 0/3] atm: clip: Fix infinite recursion, potential null-ptr-deref, and memleak.

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Message-ID: <20250704062416.1613927-1-kuniyu@google.com>
Date: Fri,  4 Jul 2025 06:23:50 +0000
From: Kuniyuki Iwashima <kuniyu@...gle.com>
To: "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, 
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>
Cc: Simon Horman <horms@...nel.org>, Kuniyuki Iwashima <kuniyu@...gle.com>, 
	Kuniyuki Iwashima <kuni1840@...il.com>, netdev@...r.kernel.org
Subject: [PATCH v2 net 0/3] atm: clip: Fix infinite recursion, potential
 null-ptr-deref, and memleak.

Patch 1 fixes racy access to atmarpd found while checking RTNL usage
in clip.c.

Patch 2 fixes memory leak by ioctl(ATMARP_MKIP) and ioctl(ATMARPD_CTRL).

Patch 3 fixes infinite recursive call of clip_vcc->old_push(), which
was reported by syzbot.

Changes:
  v2:
    * Add patch 2
    * Patch 1: Silence Sparse __rcu warning

  v1: https://lore.kernel.org/netdev/20250702020437.703698-1-kuniyu@google.com/

Kuniyuki Iwashima (3):
  atm: clip: Fix potential null-ptr-deref in to_atmarpd().
  atm: clip: Fix memory leak of struct clip_vcc.
  atm: clip: Fix infinite recursive call of clip_push().

 net/atm/clip.c | 54 ++++++++++++++++++++++++++++++++++++--------------
 1 file changed, 39 insertions(+), 15 deletions(-)

-- 
2.50.0.727.gbf7dc18ff4-goog