From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.7 required=3.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E0757C48BE8 for ; Mon, 14 Jun 2021 05:58:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C0D4B61009 for ; Mon, 14 Jun 2021 05:58:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232409AbhFNGAl (ORCPT ); Mon, 14 Jun 2021 02:00:41 -0400 Received: from mail-il1-f198.google.com ([209.85.166.198]:41742 "EHLO mail-il1-f198.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231968AbhFNGAc (ORCPT ); Mon, 14 Jun 2021 02:00:32 -0400 Received: by mail-il1-f198.google.com with SMTP id v15-20020a92d24f0000b02901e85881a504so7337540ilg.8 for ; Sun, 13 Jun 2021 22:58:17 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:date:message-id:subject:from:to; bh=iolwSrBLU5wcSTW/N0CiJLq6wC7qoEFtQEKW0DDo1fc=; b=ZWAi4MVJFyIKsTyBYNHIuQnoUCZzYqVZrC84o8wAKycO7uSl3VpgH4/KSJrPNeGMoA 9D7bA20Ec5EYpsdMmb7uwocmHTh27D/5s9GHlfFwMknSx720qpPM/xd2Ur9yTCawyi18 cf9Gz/Skgb2kA2RovRqHm1Po+I7u8crcedgw3N74nPi/kOXC9a+KYtq1v1XaObevyrmS HynRrmNoEfhIev28fXXwJnGf2fYbadlgK55F1n1DyS/UVZc8d8IVrlVIRmF3ZEOqRAJC 395n4Y4mDYFNy6qXJzk8Oaivh6mKMQsbTJqIClVyfA12L+K0msiOOgnntOpAkIccZQYt UknQ== X-Gm-Message-State: AOAM5305di/9zx12y9s+Onp/kBot18vT4o8XqRq5Vd1s3vJdnbVHz3PQ t/qofUsUvciSR1b3atx/uUPrml+e8JPGCLNqj4lB0z10MDG+ X-Google-Smtp-Source: ABdhPJy6CFJhViExCUyijYTrppYaOtBX+UmeEp+WNK5oxst0Kvv0cP1NrKo57iwv0a/qyhrK0GfcrmSxdXbovNwmor5OrY1FQJYp MIME-Version: 1.0 X-Received: by 2002:a92:d24a:: with SMTP id v10mr13215606ilg.246.1623650296720; Sun, 13 Jun 2021 22:58:16 -0700 (PDT) Date: Sun, 13 Jun 2021 22:58:16 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000002cf2d905c4b38bee@google.com> Subject: [syzbot] BUG: stack guard page was hit in preempt_count_add From: syzbot To: bp@alien8.de, hpa@zytor.com, jirislaby@kernel.org, jpoimboe@redhat.com, jthierry@redhat.com, linux-kernel@vger.kernel.org, mingo@redhat.com, netdev@vger.kernel.org, peterz@infradead.org, rostedt@goodmis.org, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, x86@kernel.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot found the following issue on: HEAD commit: 2aa8eca6 net: appletalk: fix some mistakes in grammar git tree: net-next console output: https://syzkaller.appspot.com/x/log.txt?x=10c653afd00000 kernel config: https://syzkaller.appspot.com/x/.config?x=a43776cd214e447a dashboard link: https://syzkaller.appspot.com/bug?extid=df16599805dec43e5fc2 Unfortunately, I don't have any reproducer for this issue yet. IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+df16599805dec43e5fc2@syzkaller.appspotmail.com BUG: stack guard page was hit at ffffc90009defff8 (stack is ffffc90009df0000..ffffc90009df7fff) kernel stack overflow (double-fault): 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 17591 Comm: syz-executor.0 Not tainted 5.13.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:get_lock_parent_ip include/linux/ftrace.h:841 [inline] RIP: 0010:preempt_latency_start kernel/sched/core.c:4780 [inline] RIP: 0010:preempt_latency_start kernel/sched/core.c:4777 [inline] RIP: 0010:preempt_count_add+0x6f/0x140 kernel/sched/core.c:4805 Code: 05 16 f0 b2 7e 0f b6 c0 3d f4 00 00 00 7f 64 65 8b 05 05 f0 b2 7e 25 ff ff ff 7f 39 c3 74 03 5b 5d c3 48 8b 5c 24 10 48 89 df 8c cd 0b 00 85 c0 75 35 65 48 8b 2c 25 00 f0 01 00 48 8d bd f0 RSP: 0018:ffffc90009df0000 EFLAGS: 00010246 RAX: 0000000000000001 RBX: ffffffff81331a80 RCX: 1ffffffff20f20e4 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff81331a80 RBP: 0000000000000001 R08: 0000000000000001 R09: ffffc90009df0140 R10: fffff520013be033 R11: 0000000000000000 R12: ffffc90009df0188 R13: fffff520013be029 R14: ffffc90009df0140 R15: ffffc90009df0140 FS: 00007f6395c14700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc90009defff8 CR3: 0000000094018000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: unwind_next_frame+0x120/0x1ce0 arch/x86/kernel/unwind_orc.c:428 __unwind_start+0x51b/0x800 arch/x86/kernel/unwind_orc.c:699 unwind_start arch/x86/include/asm/unwind.h:60 [inline] arch_stack_walk+0x5c/0xe0 arch/x86/kernel/stacktrace.c:24 stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:121 kasan_save_stack+0x1b/0x40 mm/kasan/common.c:38 kasan_set_track mm/kasan/common.c:46 [inline] set_alloc_info mm/kasan/common.c:428 [inline] __kasan_slab_alloc+0x84/0xa0 mm/kasan/common.c:461 kasan_slab_alloc include/linux/kasan.h:236 [inline] slab_post_alloc_hook mm/slab.h:524 [inline] slab_alloc_node mm/slub.c:2913 [inline] kmem_cache_alloc_node+0x269/0x3e0 mm/slub.c:2949 __alloc_skb+0x20b/0x340 net/core/skbuff.c:414 alloc_skb include/linux/skbuff.h:1112 [inline] nlmsg_new include/net/netlink.h:953 [inline] rtmsg_ifinfo_build_skb+0x72/0x1a0 net/core/rtnetlink.c:3791 rtmsg_ifinfo_event net/core/rtnetlink.c:3827 [inline] rtmsg_ifinfo_event net/core/rtnetlink.c:3818 [inline] rtnetlink_event+0x123/0x1d0 net/core/rtnetlink.c:5603 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2121 call_netdevice_notifiers_extack net/core/dev.c:2133 [inline] call_netdevice_notifiers net/core/dev.c:2147 [inline] netdev_features_change net/core/dev.c:1493 [inline] netdev_sync_lower_features net/core/dev.c:9814 [inline] __netdev_update_features+0x95d/0x17d0 net/core/dev.c:9961 netdev_change_features+0x61/0xb0 net/core/dev.c:10033 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1329 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3431 [inline] bond_netdev_event+0x5d6/0xa80 drivers/net/bonding/bond_main.c:3471 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2121 call_netdevice_notifiers_extack net/core/dev.c:2133 [inline] call_netdevice_notifiers net/core/dev.c:2147 [inline] netdev_features_change net/core/dev.c:1493 [inline] netdev_sync_lower_features net/core/dev.c:9814 [inline] __netdev_update_features+0x95d/0x17d0 net/core/dev.c:9961 netdev_change_features+0x61/0xb0 net/core/dev.c:10033 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1329 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3431 [inline] bond_netdev_event+0x5d6/0xa80 drivers/net/bonding/bond_main.c:3471 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2121 call_netdevice_notifiers_extack net/core/dev.c:2133 [inline] call_netdevice_notifiers net/core/dev.c:2147 [inline] netdev_features_change net/core/dev.c:1493 [inline] netdev_sync_lower_features net/core/dev.c:9814 [inline] __netdev_update_features+0x95d/0x17d0 net/core/dev.c:9961 netdev_change_features+0x61/0xb0 net/core/dev.c:10033 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1329 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3431 [inline] bond_netdev_event+0x5d6/0xa80 drivers/net/bonding/bond_main.c:3471 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2121 call_netdevice_notifiers_extack net/core/dev.c:2133 [inline] call_netdevice_notifiers net/core/dev.c:2147 [inline] netdev_features_change net/core/dev.c:1493 [inline] netdev_sync_lower_features net/core/dev.c:9814 [inline] __netdev_update_features+0x95d/0x17d0 net/core/dev.c:9961 netdev_change_features+0x61/0xb0 net/core/dev.c:10033 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1329 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3431 [inline] bond_netdev_event+0x5d6/0xa80 drivers/net/bonding/bond_main.c:3471 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2121 call_netdevice_notifiers_extack net/core/dev.c:2133 [inline] call_netdevice_notifiers net/core/dev.c:2147 [inline] netdev_features_change net/core/dev.c:1493 [inline] netdev_sync_lower_features net/core/dev.c:9814 [inline] __netdev_update_features+0x95d/0x17d0 net/core/dev.c:9961 netdev_change_features+0x61/0xb0 net/core/dev.c:10033 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1329 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3431 [inline] bond_netdev_event+0x5d6/0xa80 drivers/net/bonding/bond_main.c:3471 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2121 call_netdevice_notifiers_extack net/core/dev.c:2133 [inline] call_netdevice_notifiers net/core/dev.c:2147 [inline] netdev_features_change net/core/dev.c:1493 [inline] netdev_sync_lower_features net/core/dev.c:9814 [inline] __netdev_update_features+0x95d/0x17d0 net/core/dev.c:9961 netdev_change_features+0x61/0xb0 net/core/dev.c:10033 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1329 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3431 [inline] bond_netdev_event+0x5d6/0xa80 drivers/net/bonding/bond_main.c:3471 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2121 call_netdevice_notifiers_extack net/core/dev.c:2133 [inline] call_netdevice_notifiers net/core/dev.c:2147 [inline] netdev_features_change net/core/dev.c:1493 [inline] netdev_sync_lower_features net/core/dev.c:9814 [inline] __netdev_update_features+0x95d/0x17d0 net/core/dev.c:9961 netdev_change_features+0x61/0xb0 net/core/dev.c:10033 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1329 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3431 [inline] bond_netdev_event+0x5d6/0xa80 drivers/net/bonding/bond_main.c:3471 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2121 call_netdevice_notifiers_extack net/core/dev.c:2133 [inline] call_netdevice_notifiers net/core/dev.c:2147 [inline] netdev_features_change net/core/dev.c:1493 [inline] netdev_sync_lower_features net/core/dev.c:9814 [inline] __netdev_update_features+0x95d/0x17d0 net/core/dev.c:9961 netdev_change_features+0x61/0xb0 net/core/dev.c:10033 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1329 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3431 [inline] bond_netdev_event+0x5d6/0xa80 drivers/net/bonding/bond_main.c:3471 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2121 call_netdevice_notifiers_extack net/core/dev.c:2133 [inline] call_netdevice_notifiers net/core/dev.c:2147 [inline] netdev_features_change net/core/dev.c:1493 [inline] netdev_sync_lower_features net/core/dev.c:9814 [inline] __netdev_update_features+0x95d/0x17d0 net/core/dev.c:9961 netdev_change_features+0x61/0xb0 net/core/dev.c:10033 bond_compute_features+0x56c/0xaa0 drivers/net/bonding/bond_main.c:1329 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3431 [inline] bond_netdev_event+0x5d6/0xa80 drivers/net/bonding/bond_main.c:3471 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2121 __netdev_update_features+0x9 Lost 457 message(s)! ---[ end trace 910abc79cbd754ed ]--- RIP: 0010:get_lock_parent_ip include/linux/ftrace.h:841 [inline] RIP: 0010:preempt_latency_start kernel/sched/core.c:4780 [inline] RIP: 0010:preempt_latency_start kernel/sched/core.c:4777 [inline] RIP: 0010:preempt_count_add+0x6f/0x140 kernel/sched/core.c:4805 Code: 05 16 f0 b2 7e 0f b6 c0 3d f4 00 00 00 7f 64 65 8b 05 05 f0 b2 7e 25 ff ff ff 7f 39 c3 74 03 5b 5d c3 48 8b 5c 24 10 48 89 df 8c cd 0b 00 85 c0 75 35 65 48 8b 2c 25 00 f0 01 00 48 8d bd f0 RSP: 0018:ffffc90009df0000 EFLAGS: 00010246 RAX: 0000000000000001 RBX: ffffffff81331a80 RCX: 1ffffffff20f20e4 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff81331a80 RBP: 0000000000000001 R08: 0000000000000001 R09: ffffc90009df0140 R10: fffff520013be033 R11: 0000000000000000 R12: ffffc90009df0188 R13: fffff520013be029 R14: ffffc90009df0140 R15: ffffc90009df0140 FS: 00007f6395c14700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc90009defff8 CR3: 0000000094018000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 --- This report is generated by a bot. 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