From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0C82B3CD8B9; Thu, 5 Mar 2026 16:10:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772727031; cv=none; b=HWakIWTKHn7vl0FOHahYrXvemZ8mrGXABs46qtOXFTC0p59UemjNdzGB+dqGkscZu0yFYC+w0SAyMlAY5Hhxkn4cJ9II0o6U4rnF1p5WlVBtQ21GdD029v1jBSWRzmG5QhJqYHU4Qi0mfgWxzFBvDiUD+QnuQvfJNm2FtufRRyI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772727031; c=relaxed/simple; bh=tycp5Wmt2PwmO071xa6900jmB4t73QUD2rRxZZNmfO4=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=ruNIInXznAmrOKpqMWxWA8X85+Fp+/Rjch/XrugOmX9+p+ukpzxqlaMJLtDZHNffbpUe6FUkftA7M8uHoMtGSeT0DwgYlBDGP+czZkij2J0Gq0GRaECIHcafn8dTTpsNJuMGSguD16YHoyV9dQYzPS4C19w+rCTuJJGwt+AaKWM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=urVghGpy; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="urVghGpy" Received: by smtp.kernel.org (Postfix) with ESMTPSA id BFC0BC116C6; Thu, 5 Mar 2026 16:10:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772727030; bh=tycp5Wmt2PwmO071xa6900jmB4t73QUD2rRxZZNmfO4=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=urVghGpy++UlJ7r1vG51Ri2bpxk9iXyoVvZ/JC/0JPFO9UKSNyOa7aZcFhGmH2arE Aykx7MSviOaak+J2uRdZd/ZKLKe5IFmzO7+3hkjzH9KXU0lI2veTo/BN0S+7ZhWWuX +TMGbF800AypgqIp5l9IY8s1GbZs5rSKdy+ZgQooTq0LahFun1EEcPglR4licABm/N ULSI9b/rBovvzLhru0qJg0a6q3EMutUEmmfzhSq8sdxWbUzwxzEhLuNWeC1vYN0c5b gy1EDiz9GC54Pr0ZJRHWf3uNoxs22QW+rLzxFw3wRiljSXvdyKp2nMAnwFG6pnKG2F 5l8W3UAQ+1gig== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 02D903808200; Thu, 5 Mar 2026 16:10:32 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net v4 0/2] net: ipv6: fix panic when IPv4 route references loopback IPv6 nexthop and add selftest From: patchwork-bot+netdevbpf@kernel.org Message-Id: <177272703078.3188128.539055376981723879.git-patchwork-notify@kernel.org> Date: Thu, 05 Mar 2026 16:10:30 +0000 References: <20260304113817.294966-1-jiayuan.chen@linux.dev> In-Reply-To: <20260304113817.294966-1-jiayuan.chen@linux.dev> To: Jiayuan Chen Cc: netdev@vger.kernel.org, idosch@nvidia.com, jiayuan.chen@shopee.com, davem@davemloft.net, dsahern@kernel.org, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, shuah@kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org Hello: This series was applied to netdev/net.git (main) by Jakub Kicinski : On Wed, 4 Mar 2026 19:38:12 +0800 you wrote: > syzbot reported a kernel panic [1] when an IPv4 route references > a loopback IPv6 nexthop object: > > BUG: unable to handle page fault for address: ffff8d069e7aa000 > PF: supervisor read access in kernel mode > PF: error_code(0x0000) - not-present page > PGD 6aa01067 P4D 6aa01067 PUD 0 > Oops: Oops: 0000 [#1] SMP PTI > CPU: 2 UID: 0 PID: 530 Comm: ping Not tainted 6.19.0+ #193 PREEMPT > RIP: 0010:ip_route_output_key_hash_rcu+0x578/0x9e0 > RSP: 0018:ffffd2ffc1573918 EFLAGS: 00010286 > RAX: ffff8d069e7aa000 RBX: ffffd2ffc1573988 RCX: 0000000000000000 > RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 > RBP: ffffd2ffc1573978 R08: 0000000000000000 R09: 0000000000000000 > R10: 0000000000000000 R11: 0000000000000000 R12: ffff8d060d496000 > R13: 0000000000000000 R14: ffff8d060399a600 R15: ffff8d06019a6ab8 > CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > CR2: ffff8d069e7aa000 CR3: 0000000106eb0001 CR4: 0000000000770ef0 > PKRU: 55555554 > Call Trace: > > ip_route_output_key_hash+0x86/0x1a0 > __ip4_datagram_connect+0x2b5/0x4e0 > udp_connect+0x2c/0x60 > inet_dgram_connect+0x88/0xd0 > __sys_connect_file+0x56/0x90 > __sys_connect+0xa8/0xe0 > __x64_sys_connect+0x18/0x30 > x64_sys_call+0xfb9/0x26e0 > do_syscall_64+0xd3/0x1510 > entry_SYSCALL_64_after_hwframe+0x76/0x7e > > [...] Here is the summary with links: - [net,v4,1/2] net: ipv6: fix panic when IPv4 route references loopback IPv6 nexthop https://git.kernel.org/netdev/net/c/21ec92774d15 - [net,v4,2/2] selftests: net: add test for IPv4 route with loopback IPv6 nexthop https://git.kernel.org/netdev/net/c/46c1ef0cfcea You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html