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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id DF2BDC4332F for ; Tue, 15 Nov 2022 17:18:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230053AbiKORSp (ORCPT ); Tue, 15 Nov 2022 12:18:45 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49938 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229518AbiKORSn (ORCPT ); Tue, 15 Nov 2022 12:18:43 -0500 Received: from mail-il1-f197.google.com (mail-il1-f197.google.com [209.85.166.197]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 39C1810CC for ; Tue, 15 Nov 2022 09:18:42 -0800 (PST) Received: by mail-il1-f197.google.com with SMTP id i8-20020a056e0212c800b00302578e6d78so5119193ilm.0 for ; Tue, 15 Nov 2022 09:18:42 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=SZYFdepLdLLBz3kuYnNkUTI8QvLao2m+qSUsVMEEUrU=; b=z5hUn6goccuCEizeyF2ZV0X1D5RbAGOHCjOXzmVt5okwl070EpPoRERcbipdSYtoeW Zt8fZcbl1NIB26g4DSioOkFgAYj00uRO53URJaC8ZXdWohtjVw5IQxV8nQxG4a06dWDz wPMKqf8BGHWovkPCZ+xWTVJdAA2b4nixsTGy14yzKijgeoKMLz9mBxR7moS5rrWhlvmx cOJoe4CC9a4exujRtvVcFwv/Jdc6DdYUjsR8lvKdxpjgdcRHZsTsStjAUJV5CaaDWnpC GO/3J1p8jaFj7Oi19cbzfXEJD4CmMWMRF8G30/+NzmdeYFNYp+QSXMFagDNcswLEc1h8 Csgg== X-Gm-Message-State: ANoB5pneiQPVxwW4dk4oYNPJevW5PK87WtQjpDNlSGWr96NEYPcqYiYT c89hfIcPduC+F8ISyWPQPJBfa/MJheV6X1d5gm/mm0odvlp4 X-Google-Smtp-Source: AA0mqf7YGSOSV8bw4F7p48hxW/QP4J8XYNwR0R91MzpkeuCp7a+F+lrldyiJjwZOXxU0Mb7kJVOF+oghAnw+j6iUZsWvlcW867Sf MIME-Version: 1.0 X-Received: by 2002:a02:a61a:0:b0:374:4af4:8630 with SMTP id c26-20020a02a61a000000b003744af48630mr8423411jam.89.1668532721621; Tue, 15 Nov 2022 09:18:41 -0800 (PST) Date: Tue, 15 Nov 2022 09:18:41 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000002b1f7d05ed858cb7@google.com> Subject: [syzbot] WARNING in send_hsr_supervision_frame (3) From: syzbot To: bigeasy@linutronix.de, brianvv@google.com, claudiajkang@gmail.com, davem@davemloft.net, edumazet@google.com, ennoerlangen@gmail.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pabeni@redhat.com, syzkaller-bugs@googlegroups.com 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: 55be6084c8e0 Merge tag 'timers-core-2022-10-05' of git://g.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=14146fc6880000 kernel config: https://syzkaller.appspot.com/x/.config?x=df75278aabf0681a dashboard link: https://syzkaller.appspot.com/bug?extid=3ae0a3f42c84074b7c8e compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/9d967e5d91fa/disk-55be6084.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/9a8cffcbc089/vmlinux-55be6084.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+3ae0a3f42c84074b7c8e@syzkaller.appspotmail.com ------------[ cut here ]------------ HSR: Could not send supervision frame WARNING: CPU: 0 PID: 3593 at net/hsr/hsr_device.c:293 send_hsr_supervision_frame+0x66d/0x8d0 net/hsr/hsr_device.c:293 Modules linked in: CPU: 0 PID: 3593 Comm: syz-fuzzer Not tainted 6.0.0-syzkaller-09589-g55be6084c8e0 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 RIP: 0010:send_hsr_supervision_frame+0x66d/0x8d0 net/hsr/hsr_device.c:293 Code: 1d 90 9c 9a 04 31 ff 89 de e8 9f bf 4a f8 84 db 75 b6 e8 16 c3 4a f8 48 c7 c7 20 f0 21 8b c6 05 70 9c 9a 04 01 e8 12 a7 0d 00 <0f> 0b eb 9a e8 fa c2 4a f8 41 be 3c 00 00 00 ba 01 00 00 00 4c 89 RSP: 0018:ffffc90000007c60 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff88801cd93b00 RSI: ffffffff81612e28 RDI: fffff52000000f7e RBP: ffff8880445b8c80 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000100 R11: 000000003a525348 R12: ffff888020fe8f80 R13: 0000000000000000 R14: ffff888020fe8f98 R15: 0000000000000017 FS: 000000c000052090(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c001ab66b0 CR3: 000000002091d000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: hsr_announce+0x10c/0x330 net/hsr/hsr_device.c:382 call_timer_fn+0x1a0/0x6b0 kernel/time/timer.c:1474 expire_timers kernel/time/timer.c:1519 [inline] __run_timers.part.0+0x674/0xa80 kernel/time/timer.c:1790 __run_timers kernel/time/timer.c:1768 [inline] run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1803 __do_softirq+0x1d0/0x9c8 kernel/softirq.c:571 invoke_softirq kernel/softirq.c:445 [inline] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:650 irq_exit_rcu+0x5/0x20 kernel/softirq.c:662 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1107 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:649 RIP: 0010:__syscall_enter_from_user_work kernel/entry/common.c:89 [inline] RIP: 0010:syscall_enter_from_user_mode+0x2c/0xb0 kernel/entry/common.c:110 Code: 49 89 f4 55 48 89 fd 53 48 8b 7c 24 18 e8 4c fa ff ff eb 28 eb 2c e8 13 fa fe f7 e8 ce f7 fe f7 fb 65 48 8b 04 25 80 6f 02 00 <48> 8b 70 08 40 f6 c6 3f 75 1a 5b 4c 89 e0 5d 41 5c c3 eb 1c 0f 0b RSP: 0018:ffffc90003baff20 EFLAGS: 00000246 RAX: ffff88801cd93b00 RBX: 0000000000000002 RCX: 1ffffffff1bc1f51 RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8982c992 RBP: ffffc90003baff58 R08: 0000000000000000 R09: 0000000000000000 R10: fffffbfff1bc18da R11: 0000000000000001 R12: 0000000000000023 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 do_syscall_64+0x16/0xb0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x46703d Code: 8b 44 24 20 b9 40 42 0f 00 f7 f1 48 89 04 24 b8 e8 03 00 00 f7 e2 48 89 44 24 08 48 89 e7 be 00 00 00 00 b8 23 00 00 00 0f 05 <48> 8b 6c 24 10 48 83 c4 18 c3 cc cc cc cc cc cc cc cc cc cc cc cc RSP: 002b:000000c000061f10 EFLAGS: 00000202 ORIG_RAX: 0000000000000023 RAX: ffffffffffffffda RBX: 0000000000002710 RCX: 000000000046703d RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000c000061f10 RBP: 000000c000061f20 R08: 0000000000080d9f R09: 00007fff7a533080 R10: 0000000000000000 R11: 0000000000000202 R12: 000000c000061950 R13: 000000c016676000 R14: 000000c0000004e0 R15: 00007f1b6b42021a ---------------- Code disassembly (best guess): 0: 49 89 f4 mov %rsi,%r12 3: 55 push %rbp 4: 48 89 fd mov %rdi,%rbp 7: 53 push %rbx 8: 48 8b 7c 24 18 mov 0x18(%rsp),%rdi d: e8 4c fa ff ff callq 0xfffffa5e 12: eb 28 jmp 0x3c 14: eb 2c jmp 0x42 16: e8 13 fa fe f7 callq 0xf7fefa2e 1b: e8 ce f7 fe f7 callq 0xf7fef7ee 20: fb sti 21: 65 48 8b 04 25 80 6f mov %gs:0x26f80,%rax 28: 02 00 * 2a: 48 8b 70 08 mov 0x8(%rax),%rsi <-- trapping instruction 2e: 40 f6 c6 3f test $0x3f,%sil 32: 75 1a jne 0x4e 34: 5b pop %rbx 35: 4c 89 e0 mov %r12,%rax 38: 5d pop %rbp 39: 41 5c pop %r12 3b: c3 retq 3c: eb 1c jmp 0x5a 3e: 0f 0b ud2 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot.