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 90D8C11CA0 for ; Sat, 19 Jul 2025 01:33:15 +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=1752888797; cv=none; b=tPByFlrODuNsbRCo03IsJKhc4l4VWVrOSn+9Tjr2dlSbK/rkMEj4o3TEdvBxKl16z6PoOUFz/+yDZauqAfDWaeKwnr1d0OAQ12hEY0vPCRa4QfD9i7nAG6KfO6kYE3YwjtICUZzrs9XTetpGbuxlR6yjkQ3+bvSz7Jb5mhQnM9s= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752888797; c=relaxed/simple; bh=8YGvF6MaVdUFAmAFYFDFEPsYah1b9P7Fphg0oCVAtDA=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=iGuQy2UZuBQg1ei89CmWyaOvTzGz7/Zy6h7aBD+QS1eJ6QdsTqz1I+8pBHfMd9SVcWjxRwEJ51KXO2MCWKbuT5vf1+WopZMmVNbmv7MYT8f8QUfkf96K7zJNZw1Ev0oPRzfvl73BNODdtqRbqd11dCT2ANg6i8QxvjYDpOQZRSE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=fmpnNMn7; 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="fmpnNMn7" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B52D3C4CEEB; Sat, 19 Jul 2025 01:33:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1752888795; bh=8YGvF6MaVdUFAmAFYFDFEPsYah1b9P7Fphg0oCVAtDA=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=fmpnNMn7unUh/Orza4YiDKQyXn/Dj8f6NSWxvo8Jk62t/attJslu0G15AVIz0O2Ap lRoTbhCn1ZnUlAnHV7Q8YXlB5PYEeujcx+TfcmLEscD6Z5uBEsrL7RWriJ4eG62iLG g7FaLJ6Cox2SjiM2lsgdNWqvioVelTHHMT1riIj6PGL+0JWd3pWbB1Uvj4vvYlRyBo /6hbNav7Zf4MvgvflzRqD/+Nqgr974X5p05AbmhZiT7kGA5UJQvwq96LYykR8synaG IwxAIe3Gx78wymKZyX+DeeX9dbHWz00Va7OH0t/7ceT5jDtzq9g9JfCMAKHuh4syh0 sSMZfEVssUe8A== Date: Fri, 18 Jul 2025 18:33:13 -0700 From: Jakub Kicinski To: David Wilder Cc: netdev@vger.kernel.org, jv@jvosburgh.net, pradeeps@linux.vnet.ibm.com, pradeep@us.ibm.com, i.maximets@ovn.org, amorenoz@redhat.com, haliu@redhat.com, stephen@networkplumber.org, horms@kernel.org Subject: Re: [PATCH net-next v6 7/7] bonding: Selftest and documentation for the arp_ip_target parameter. Message-ID: <20250718183313.227c00f4@kernel.org> In-Reply-To: <20250718212430.1968853-8-wilder@us.ibm.com> References: <20250718212430.1968853-1-wilder@us.ibm.com> <20250718212430.1968853-8-wilder@us.ibm.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Fri, 18 Jul 2025 14:23:43 -0700 David Wilder wrote: > This selftest provided a functional test for the arp_ip_target parameter > both with and without user supplied vlan tags. > > and > Looks like something ate part of the commit message? > Updates to the bonding documentation. This test seems to reliably trigger a crash in our CI. Not sure if something is different in our build... or pebkac? [ 17.977269] RIP: 0010:bond_fill_info+0x21b/0x890 [ 17.977325] Code: b3 38 0b 00 00 31 d2 41 8b 06 85 c0 0f 84 2a 06 00 00 89 44 24 0c 41 f6 46 10 02 74 5c 49 8b 4e 08 31 c0 ba 04 00 00 00 eb 16 <8b> 34 01 83 c2 04 89 74 04 10 48 83 c0 04 66 83 7c 01 fc ff 74 3e [ 17.977478] RSP: 0018:ffffa4be0062f6f8 EFLAGS: 00010297 [ 17.977524] RAX: 0000000000000000 RBX: ffff8e0906064000 RCX: 00ff8e0902fd5180 [ 17.977616] RDX: 0000000000000004 RSI: 0000000000000000 RDI: ffff8e0903655298 [ 17.977682] RBP: ffff8e090321f900 R08: 0000000000000064 R09: 0000000000000000 [ 17.977747] R10: ffff8e0903655298 R11: fefefefefefefeff R12: ffff8e0903655294 [ 17.977807] R13: 0000000000000000 R14: ffff8e0906064b38 R15: ffff8e0903655248 [ 17.977872] FS: 00007fd944f5c800(0000) GS:ffff8e0997f78000(0000) knlGS:0000000000000000 [ 17.977945] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 17.978001] CR2: 00007fd9451ad430 CR3: 0000000006e04004 CR4: 0000000000772ef0 [ 17.978062] PKRU: 55555554 [ 17.978087] Call Trace: [ 17.978110] [ 17.978136] ? dev_get_stats+0x6c/0x330 [ 17.978174] ? nla_reserve+0x53/0x80 [ 17.978218] rtnl_fill_ifinfo.constprop.0+0xa4d/0x1560 [ 17.978272] ? __alloc_skb+0x86/0x1a0 [ 17.978306] ? kmalloc_reserve+0x61/0xf0 [ 17.978343] ? kmalloc_reserve+0x61/0xf0 [ 17.978379] rtmsg_ifinfo_build_skb+0xa9/0x120 [ 17.978427] rtmsg_ifinfo+0x3c/0x90 [ 17.978463] __dev_notify_flags+0xb4/0xf0 [ 17.978499] ? queue_delayed_work_on+0x58/0x60 [ 17.978553] rtnl_configure_link+0x88/0xb0 [ 17.978591] rtnl_newlink+0x568/0xc10 [ 17.978628] ? __pfx_rtnl_newlink+0x10/0x10 [ 17.978664] rtnetlink_rcv_msg+0x362/0x410 [ 17.978692] ? timerqueue_add+0x6a/0xc0 [ 17.978731] ? timerqueue_del+0x2e/0x50 [ 17.978765] ? __remove_hrtimer+0x39/0x90 [ 17.978804] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 17.978856] netlink_rcv_skb+0x57/0x110 [ 17.978893] netlink_unicast+0x25c/0x380 [ 17.978928] ? __alloc_skb+0xdb/0x1a0 [ 17.978964] netlink_sendmsg+0x1be/0x3e0 [ 17.978995] ____sys_sendmsg+0x2bd/0x320 [ 17.979037] ? copy_msghdr_from_user+0x6c/0xa0 [ 17.979085] ___sys_sendmsg+0x87/0xd0 [ 17.979121] ? __handle_mm_fault+0xa3f/0xe50 [ 17.979168] __sys_sendmsg+0x71/0xd0 [ 17.979203] do_syscall_64+0xa4/0x270 [ 17.979243] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 17.979287] RIP: 0033:0x7fd9451291e7 [ 17.979326] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 [ 17.979475] RSP: 002b:00007ffe3779d578 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 17.979546] RAX: ffffffffffffffda RBX: 00007ffe3779dcb0 RCX: 00007fd9451291e7 [ 17.979621] RDX: 0000000000000000 RSI: 00007ffe3779d5e0 RDI: 0000000000000005 [ 17.979696] RBP: 0000000000000006 R08: 0000000000000058 R09: 0000000000000000 [ 17.979766] R10: 00007fd9450216f8 R11: 0000000000000246 R12: 00007ffe3779dcc8 [ 17.979832] R13: 00000000687ae66c R14: 0000000000499600 R15: 00007ffe3779d6c8 [ 17.979899] [ 17.979923] Modules linked in: [last unloaded: netdevsim] [ 17.979986] ---[ end trace 0000000000000000 ]--- [ 17.980033] RIP: 0010:bond_fill_info+0x21b/0x890 [ 17.980086] Code: b3 38 0b 00 00 31 d2 41 8b 06 85 c0 0f 84 2a 06 00 00 89 44 24 0c 41 f6 46 10 02 74 5c 49 8b 4e 08 31 c0 ba 04 00 00 00 eb 16 <8b> 34 01 83 c2 04 89 74 04 10 48 83 c0 04 66 83 7c 01 fc ff 74 3e [ 17.980238] RSP: 0018:ffffa4be0062f6f8 EFLAGS: 00010297 [ 17.980278] RAX: 0000000000000000 RBX: ffff8e0906064000 RCX: 00ff8e0902fd5180 [ 17.980346] RDX: 0000000000000004 RSI: 0000000000000000 RDI: ffff8e0903655298 [ 17.980411] RBP: ffff8e090321f900 R08: 0000000000000064 R09: 0000000000000000 [ 17.980479] R10: ffff8e0903655298 R11: fefefefefefefeff R12: ffff8e0903655294 [ 17.980542] R13: 0000000000000000 R14: ffff8e0906064b38 R15: ffff8e0903655248 [ 17.980605] FS: 00007fd944f5c800(0000) GS:ffff8e0997f78000(0000) knlGS:0000000000000000 [ 17.980674] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 17.980740] CR2: 00007fd9451ad430 CR3: 0000000006e04004 CR4: 0000000000772ef0 [ 17.980808] PKRU: 55555554 [ 17.981702] ip (1285) used greatest stack depth: 11664 bytes left -- pw-bot: cr