From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wm1-f50.google.com (mail-wm1-f50.google.com [209.85.128.50]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A01C03D544 for ; Sat, 7 Mar 2026 20:51:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.50 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772916667; cv=none; b=OlsPBgZj8BRiIquSq2G4Tj8MDuaXKUo/0jM9DgGWjbfZxzDfR5uPajp0wq5MOsvkSdimag64OxLK717ebw9XuBzggmRSwhkby290D9cUwv+yhAQVnnKZAMo6K3bULbA4Tu1PcGToW20LC3irC95wOCwRHTDTp77kTPur7qGMHes= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772916667; c=relaxed/simple; bh=6haq1LWJ2rMn7CiJy1QtMn8Y0nk+PfGJ1NB51Njj8RA=; h=From:Subject:Date:Message-Id:MIME-Version:Content-Type:To:Cc; b=MLy3GdS/ZoZo0rhvTKflBsB4jk9DMMC3AoO9Tu7POYGU74HBA+j1oyxNEa4RQLxsJXyTrgqUP+pRfYuoLayl0BtXdInLLH7HrzXKXoxbP2jLfeu0+XKn3P+JFrxmXLlwxq0Q4H0lBx4cx5UYPDR4q+yFSbcYq4PQtFVfgFby3KM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=suse.com; spf=pass smtp.mailfrom=suse.com; dkim=pass (2048-bit key) header.d=suse.com header.i=@suse.com header.b=J45mcSAG; arc=none smtp.client-ip=209.85.128.50 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=suse.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=suse.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=suse.com header.i=@suse.com header.b="J45mcSAG" Received: by mail-wm1-f50.google.com with SMTP id 5b1f17b1804b1-48534237460so2569155e9.3 for ; Sat, 07 Mar 2026 12:51:04 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=google; t=1772916663; x=1773521463; darn=vger.kernel.org; h=cc:to:content-transfer-encoding:mime-version:message-id:date :subject:from:from:to:cc:subject:date:message-id:reply-to; bh=qPwZwL7GcnfzeMamXMXXY3ZrtK1m1z2a4hvbEHv5oJ0=; b=J45mcSAGuZ95PpPbAN4d+u02Z4TS46ldcq73TKkNP6XTBeFRvEewGaUqRKctWfmFOW THsf9w+A3+Lc6y1EQYmaXHjorqct+z7WJsW2aB4GDEMRa0mODYH9M1LC4rZ1e7jA6/0H hu/9Km3yL+G/7bUySh4anVw1QzfuQtvFSeOatdH7vnIsa9B7Lg33kkOg4fQs1BzCtPQQ QXy8tclelv/cBeAMQrBEvqcXWPGh408ntegTe8FvLN4444iXspU57af6nyn+Olp0wSWL yBb2os0l7gvlzux4+UWBn/M7P36rBFLhpAoHZ+LhxW6U3KvFSsaEoFtKgxCrnO6Lc5Lj DIjg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1772916663; x=1773521463; h=cc:to:content-transfer-encoding:mime-version:message-id:date :subject:from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=qPwZwL7GcnfzeMamXMXXY3ZrtK1m1z2a4hvbEHv5oJ0=; b=uGw5APJqzvhqqq5LoBjrjfcyKX5q5gwzx1Rw+BUIuCwPXixFSXNjLm4nI1YPNDTva8 RpRp1pNKzuAL4GkWJ36y+48Jy5qtpv0Np8fMJdLQLzaYG4k95zirCkinbT9nc0P9Zt5z kEFKtVLSmJMagx9V4EPU5A3JIJ9GSZ8TQZvbJ683oAqP710feip1TNF7wc0f57eHFRom HK+r+cYvKDqZoR2DZ1EPp2oT6aBq2TkiVtd0wW75MYSbClarXZF9xtXIcmbzAA4uDeWr Mww5Gd6gnaP0LF71RNefdS4wCvSZuxN82zOphbFsLf+nlzxy9Akd7se4557fC3IzbtbT 2uCA== X-Forwarded-Encrypted: i=1; AJvYcCXQLJgH4h8Ptxo6w7oaMK25dyhhROaizS2+SiVZ4PVaxrNcrv7E9av9MLqAzlDxmeVn3j6T9DTpgRusDP4=@vger.kernel.org X-Gm-Message-State: AOJu0YwTSloTMlw5TWxhxk8F6tLG6DXkUiDRB5J3ok6COk+NXVz8/vbi I7n32aBDrz5/4MwKgYN2jBiDmiFiJa23SFBBUZJWw6zbKL7FIPoSnyIyV9a6ndnVp9g= X-Gm-Gg: ATEYQzxzYMolIPrt7cyAMPldASLNW58t6I6f2YutWohW6hc0f5KWKPFfT+VOp8Dy/jf d8STy1kbrFo+O4NkxL4JmGFEMU56PibCQZfVNKc56wUXoyaqxInh4ysCjHV84U3oNnK4Vx0LdaA 3MtMSSV103vpo521zcExOU96AdgLXReNnV0fo8JOXQ0M4ZYnMFi2QXSIdQhB6TwZp+i8mreplqO V6NV1sI9vFdAGmI1Fq/k56jWYt3buWcJrfQwxFNE9JwY+QgUkDWFzPJMc8EGfud5qkskhm+pnXW jtwZPUosOWEequDjIBL/uPFBw0ND8HsmJEHrZ03g389Ey7RZOS3l5FI/w7JAU7MVzNmkvDilo8t 4CfvCHk9L0OVBsBmia+K6vzXVXh9zKhAlQHQzrn47l85TMGsLsW0TncP0B9HQj6k+WOCyjFIbsG Bv/pric0zcAFmW0cSsSxzo X-Received: by 2002:a05:600c:19cb:b0:480:6c75:ddce with SMTP id 5b1f17b1804b1-485269791a9mr100153655e9.33.1772916662911; Sat, 07 Mar 2026 12:51:02 -0800 (PST) Received: from localhost ([189.99.238.164]) by smtp.gmail.com with ESMTPSA id 71dfb90a1353d-56b09a2614fsm6038280e0c.7.2026.03.07.12.51.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 07 Mar 2026 12:51:01 -0800 (PST) From: =?utf-8?q?Ricardo_B=2E_Marli=C3=A8re?= Subject: [PATCH net v4 0/4] {net,bpf}: nd_tbl fixes for when ipv6.disable=1 Date: Sat, 07 Mar 2026 17:50:52 -0300 Message-Id: <20260307-net-nd_tbl_fixes-v4-0-e2677e85628c@suse.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit X-B4-Tracking: v=1; b=H4sIAKyPrGkC/4XOwW7CMAwG4FdBORNInLIUTrzHNKE4cWgkSFFSq k2o747pBYQ27ejf/mzfRKWSqIrd4iYKjammPnPRLBfCdy4fSabAtQAFHwqglZkGmcNhwNMhpm+ q0lOrvdOkMIJgdik0N1h9Cp4WXxyiqySxuOy7xzaO12eX8mO+S3Xoy8/8wahn9fexUUslAcGBb ULcIu7rtdLK9+f5zAhPb9TmFw/s0WprA2q3jebNm/+8YR8DQYtGOds0L36apjvNlP65TwEAAA= = X-Change-ID: 20260228-net-nd_tbl_fixes-ce81ca1e0bf2 To: Martin KaFai Lau , Daniel Borkmann , John Fastabend , Stanislav Fomichev , Alexei Starovoitov , Andrii Nakryiko , Eduard Zingerman , Song Liu , Yonghong Song , KP Singh , Hao Luo , Jiri Olsa , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman , =?utf-8?q?Toke_H=C3=B8iland-J=C3=B8rgensen?= , David Ahern , Jay Vosburgh , Andrew Lunn , Hangbin Liu Cc: Fernando Fernandez Mancera , bpf@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, =?utf-8?q?Ricardo_B=2E_Marli=C3=A8re?= X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=openssh-sha256; t=1772916658; l=1847; i=rbm@suse.com; h=from:subject:message-id; bh=6haq1LWJ2rMn7CiJy1QtMn8Y0nk+PfGJ1NB51Njj8RA=; b=U1NIU0lHAAAAAQAAADMAAAALc3NoLWVkMjU1MTkAAAAgguRCc5X8/UX9M40lkMnr//aFGOhce x5ezt8MFNUFlqYAAAAGcGF0YXR0AAAAAAAAAAZzaGE1MTIAAABTAAAAC3NzaC1lZDI1NTE5AAAA QB5/qXUWK/NVELUIPP/zT+sFffR8F4SCUOdH+0tDnm9TxNZJ2GXSV7qA4OQUWERJEgdBNLxu1a9 GXK8EFF6QKQM= X-Developer-Key: i=rbm@suse.com; a=openssh; fpr=SHA256:pzhe0fJpYLz+3cZ33FFPhIfaUElk9CXPFFXmalIH+1g Hi, Please consider merging these four patches to fix three crashes that were found after this report: https://lore.kernel.org/all/CAHXs0ORzd62QOG-Fttqa2Cx_A_VFp=utE2H2VTX5nqfgs7LDxQ@mail.gmail.com The first patch from Jakub Kicinski is a preparation in order to enable the use ipv6_mod_enabled() even when CONFIG_IPV6=n. Thank you, - Ricardo. Signed-off-by: Ricardo B. Marlière --- Changes in v4: - Use preparatory patch from Jakub (thx!) - Use ipv6_mod_enabled() helper in all three patches - bonding: Move check to an earlier point - bond_rcv_validate() instead of bond_na_rcv() - Link to v3: https://lore.kernel.org/r/20260305-net-nd_tbl_fixes-v3-0-fde28b30a744@suse.com Changes in v3: - Don't use ipv6_mod_enabled() in net/core/filter.c. - Link to v2: https://lore.kernel.org/r/20260305-net-nd_tbl_fixes-v2-0-b7177db1a9f3@suse.com Changes in v2: - Used ipv6_mod_enabled() helper, guarded by unlikely(). - Link to v1: https://lore.kernel.org/r/20260228-net-nd_tbl_fixes-v1-0-2b2a274df9bb@suse.com --- Jakub Kicinski (1): ipv6: move the disable_ipv6_mod knob to core code Ricardo B. Marlière (3): net: bonding: Fix nd_tbl NULL dereference when IPv6 is disabled bpf: bpf_out_neigh_v4: Fix nd_tbl NULL dereference when IPv6 is disabled bpf: bpf_out_neigh_v6: Fix nd_tbl NULL dereference when IPv6 is disabled drivers/net/bonding/bond_main.c | 2 +- include/linux/ipv6.h | 7 ++++++- net/core/filter.c | 7 +++++++ net/ipv4/af_inet.c | 6 ++++++ net/ipv6/af_inet6.c | 8 -------- 5 files changed, 20 insertions(+), 10 deletions(-) --- base-commit: b824c3e16c1904bf80df489e293d1e3cbf98896d change-id: 20260228-net-nd_tbl_fixes-ce81ca1e0bf2 Best regards, -- Ricardo B. Marlière