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[146.241.231.243]) by smtp.gmail.com with ESMTPSA id lg20-20020a056214549400b0062ff0dd0332sm3400092qvb.38.2023.06.26.10.56.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 26 Jun 2023 10:56:02 -0700 (PDT) Message-ID: From: Paolo Abeni To: Ian Kumlien , Alexander Lobakin Date: Mon, 26 Jun 2023 19:55:59 +0200 In-Reply-To: References: <22aad588-47d6-6441-45b2-0e685ed84c8d@intel.com> User-Agent: Evolution 3.46.4 (3.46.4-1.fc37) MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1687802164; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Q0Se2zs1lKccD5otLcqb03woHwANJzzCEiMosGy+vA0=; b=O5bBEtkVTBuWxH6kicc941Kxdnb36kapIFBzKfIksBhE7xtxFv91HU8Q6mFMK352PMD7Wu QFDlE3TTNnjEOrHTAjE6DZdqqCCOtt+OBBti7mGEci0lZqbvJyg/Pcd2wFFFzu3ggmN8u9 lEQZsJ6daHwp59kzn93rmr6eSQT37Po= X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1687802367; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Q0Se2zs1lKccD5otLcqb03woHwANJzzCEiMosGy+vA0=; b=XrDDYBQmc0oUOB70AE6cRirKgh8/l9DCVzPhgBoxZTBxI3S1+yDv7kY3Xt243djjsfc6hL LWWAnxS+PU8C5/gehS7p6LMxJVOdNqa7qN9h2RIteKaOZ7aRSRqXUYBCtEzMTt9KwVgAIn SvtkqVThMDsnTSdExzJ8rzBSE7rZ3Wo= X-Mailman-Original-Authentication-Results: smtp4.osuosl.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=O5bBEtkV; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=XrDDYBQm Subject: Re: [Intel-wired-lan] bug with rx-udp-gro-forwarding offloading? X-BeenThere: intel-wired-lan@osuosl.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Wired Ethernet Linux Kernel Driver Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jakub Kicinski , Eric Dumazet , intel-wired-lan , "linux-kernel@vger.kernel.org" , "netdev@vger.kernel.org" Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: intel-wired-lan-bounces@osuosl.org Sender: "Intel-wired-lan" On Mon, 2023-06-26 at 19:30 +0200, Ian Kumlien wrote: > There, that didn't take long, even with wireguard disabled > > [14079.678380] BUG: kernel NULL pointer dereference, address: 00000000000000c0 > [14079.685456] #PF: supervisor read access in kernel mode > [14079.690686] #PF: error_code(0x0000) - not-present page > [14079.695915] PGD 0 P4D 0 > [14079.698540] Oops: 0000 [#1] PREEMPT SMP NOPTI > [14079.702996] CPU: 11 PID: 891 Comm: napi/eno2-80 Not tainted 6.4.0 #360 > [14079.709614] Hardware name: Supermicro Super Server/A2SDi-12C-HLN4F, > BIOS 1.7a 10/13/2022 > [14079.717796] RIP: 0010:__udp_gso_segment+0x346/0x4f0 > [14079.722778] Code: c3 08 66 89 5c 02 04 45 84 e4 0f 85 27 fd ff ff > 49 8b 1e 49 8b ae c0 00 00 00 41 0f b7 86 b4 00 00 00 45 0f b7 a6 b2 > 00 00 00 <48> 8b b3 c0 00 00 00 0f b7 8b b2 00 00 00 49 01 ec 48 01 c5 > 48 8d > [14079.741645] RSP: 0018:ffffa83643a4f818 EFLAGS: 00010246 > [14079.746966] RAX: 00000000000000ce RBX: 0000000000000000 RCX: 0000000000000000 > [14079.754195] RDX: ffffa2ad1403b000 RSI: 0000000000000028 RDI: ffffa2afc9d302d4 > [14079.761422] RBP: ffffa2ad1403b000 R08: 0000000000000022 R09: 00002000001558c9 > [14079.768650] R10: 0000000000000000 R11: ffffa2b02fcea888 R12: 00000000000000e2 > [14079.775879] R13: ffffa2afc9d30200 R14: ffffa2afc9d30200 R15: 00002000001558c9 > [14079.783106] FS: 0000000000000000(0000) GS:ffffa2b02fcc0000(0000) > knlGS:0000000000000000 > [14079.791305] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > [14079.797162] CR2: 00000000000000c0 CR3: 0000000151ff4000 CR4: 00000000003526e0 > [14079.804408] Call Trace: > [14079.806961] > [14079.809170] ? __die+0x1a/0x60 > [14079.812340] ? page_fault_oops+0x158/0x440 > [14079.816551] ? ip6_route_output_flags+0xe3/0x160 > [14079.821284] ? exc_page_fault+0x3f4/0x820 > [14079.825408] ? update_load_avg+0x77/0x710 > [14079.829534] ? asm_exc_page_fault+0x22/0x30 > [14079.833836] ? __udp_gso_segment+0x346/0x4f0 > [14079.838218] ? __udp_gso_segment+0x2fa/0x4f0 > [14079.842600] ? _raw_spin_unlock_irqrestore+0x16/0x30 > [14079.847679] ? try_to_wake_up+0x8e/0x5a0 > [14079.851713] inet_gso_segment+0x150/0x3c0 > [14079.855827] ? vhost_poll_wakeup+0x31/0x40 > [14079.860032] skb_mac_gso_segment+0x9b/0x110 > [14079.864331] __skb_gso_segment+0xae/0x160 > [14079.868455] ? netif_skb_features+0x144/0x290 > [14079.872928] validate_xmit_skb+0x167/0x370 > [14079.877139] validate_xmit_skb_list+0x43/0x70 > [14079.881612] sch_direct_xmit+0x267/0x380 > [14079.885641] __qdisc_run+0x140/0x590 > [14079.889324] __dev_queue_xmit+0x44d/0xba0 > [14079.893450] ? nf_hook_slow+0x3c/0xb0 > [14079.897229] br_dev_queue_push_xmit+0xb2/0x1c0 > [14079.901788] maybe_deliver+0xa9/0x100 > [14079.905564] br_flood+0x8a/0x180 > [14079.908903] br_handle_frame_finish+0x31f/0x5b0 > [14079.913547] br_handle_frame+0x28f/0x3a0 > [14079.917585] ? ipv6_find_hdr+0x1f0/0x3e0 > [14079.921622] ? br_handle_local_finish+0x20/0x20 > [14079.926267] __netif_receive_skb_core.constprop.0+0x4c5/0xc90 > [14079.932125] ? br_handle_frame_finish+0x5b0/0x5b0 > [14079.936946] ? ___slab_alloc+0x4bf/0xaf0 > [14079.940986] __netif_receive_skb_list_core+0x107/0x250 > [14079.946240] netif_receive_skb_list_internal+0x194/0x2b0 > [14079.951660] ? napi_gro_flush+0x97/0xf0 > [14079.955604] napi_complete_done+0x69/0x180 > [14079.959808] ixgbe_poll+0xe10/0x12e0 > [14079.963506] __napi_poll+0x26/0x1b0 > [14079.967106] napi_threaded_poll+0x232/0x250 > [14079.971405] ? __napi_poll+0x1b0/0x1b0 > [14079.975260] kthread+0xee/0x120 > [14079.978510] ? kthread_complete_and_exit+0x20/0x20 > [14079.983415] ret_from_fork+0x22/0x30 > [14079.987102] > [14079.989395] Modules linked in: chaoskey > [14079.993347] CR2: 00000000000000c0 > [14079.996773] ---[ end trace 0000000000000000 ]--- > [14080.018013] pstore: backend (erst) writing error (-28) > [14080.023274] RIP: 0010:__udp_gso_segment+0x346/0x4f0 > [14080.028264] Code: c3 08 66 89 5c 02 04 45 84 e4 0f 85 27 fd ff ff > 49 8b 1e 49 8b ae c0 00 00 00 41 0f b7 86 b4 00 00 00 45 0f b7 a6 b2 > 00 00 00 <48> 8b b3 c0 00 00 00 0f b7 8b b2 00 00 00 49 01 ec 48 01 c5 > 48 8d > [14080.047181] RSP: 0018:ffffa83643a4f818 EFLAGS: 00010246 > [14080.052522] RAX: 00000000000000ce RBX: 0000000000000000 RCX: 0000000000000000 > [14080.059765] RDX: ffffa2ad1403b000 RSI: 0000000000000028 RDI: ffffa2afc9d302d4 > [14080.067012] RBP: ffffa2ad1403b000 R08: 0000000000000022 R09: 00002000001558c9 > [14080.074257] R10: 0000000000000000 R11: ffffa2b02fcea888 R12: 00000000000000e2 > [14080.081502] R13: ffffa2afc9d30200 R14: ffffa2afc9d30200 R15: 00002000001558c9 > [14080.088746] FS: 0000000000000000(0000) GS:ffffa2b02fcc0000(0000) > knlGS:0000000000000000 > [14080.096964] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > [14080.102823] CR2: 00000000000000c0 CR3: 0000000151ff4000 CR4: 00000000003526e0 > [14080.110067] Kernel panic - not syncing: Fatal exception in interrupt > [14080.325501] Kernel Offset: 0x12600000 from 0xffffffff81000000 > (relocation range: 0xffffffff80000000-0xffffffffbfffffff) > [14080.353129] ---[ end Kernel panic - not syncing: Fatal exception in > interrupt ]--- Could you please provide a decoded stack trace? # in your git tree: cat | ./scripts/decode_stacktrace.sh vmlinux Thanks! Paolo _______________________________________________ Intel-wired-lan mailing list Intel-wired-lan@osuosl.org https://lists.osuosl.org/mailman/listinfo/intel-wired-lan