From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oi1-f208.google.com (mail-oi1-f208.google.com [209.85.167.208]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0E03845BE3 for ; Sun, 9 Aug 2026 00:10:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.167.208 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786234236; cv=none; b=HfIlKBRHoB+Q8AEdktO8xm5LVBNNL+c5/D5syiimVrWEwjN+FqOC7mMzt/9YO7G2mp6MV9nnYhqbw4pjPfVTXtEQQDxGvXxBWS8WD+URc2c2/hV+ZZ8aoO+0eLldxCHCRddl6j1ntKzQLQJ2M/NiN7CFv365pxa8k1yhuIB1CG0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786234236; c=relaxed/simple; bh=EVjqzTyBIQUScx4OoilyVB6MkIju0Cew2ZRpO2LJ5s4=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=V9oCJzx7pc/Q4tdwNaHZjj5XYqhJIFMwk9cxqjuuuZc+BC0IgVUOKN1KCJlcR6AP+bANsOA0HdCSqob11++2umb0iIk6Ttu93TaOgfhGAvo0e1/+P07I2NniKD4jQkf/u16Iyv5s6zZ1p+Vvql10HQEFk+QN/6dfdViLZOD0u4k= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.167.208 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-oi1-f208.google.com with SMTP id 5614622812f47-49d4cb3ca23so1020311b6e.3 for ; Sat, 08 Aug 2026 17:10:34 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1786234234; x=1786839034; h=content-type:to:from:subject:message-id:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to :content-type; bh=MHcrVMejL/6U7ZutYrRKD6/LsQCEvCJ8P9YiT8P97/A=; b=ZKKCGpIBZtzgEStCMkDoMr6aV0RNaXa5GpTkTApxA88PeSHcyx5sX6p83kcR1tkXHp orrkcbSavGbJY1FnvhZhGThrC57lu7BwS5EhKINx44MCarmRxNG5KPYFJ/WAOPN+9V/L IheKHbTt1yh8Z9B01iE8rlA6/HFSZNYpkGr2aQc60wBL9cSmkdcC562EXF/qTtEaJwiY sn2vy7bMnN0HDrj54dcyqHwZTTFlpbba6S7s6HrT1J0ieWGZL7meO2gcBNjyENkIbeuj MYiFbPzVV/rgqQh+jfEZ/eqloMSn2zNajkrDT/zm78LiZRYtZQ8sHBUqD0ojQnu9TRJr xn0g== X-Forwarded-Encrypted: i=1; AHgh+RoP74VB7H0+/9J1ilRl6fkIGg2BbqT7RFdyq6YbRIkc04M6y6L1OsCotRAmBE96lggUFta4u1R19iwnYEg=@vger.kernel.org X-Gm-Message-State: AOJu0YzByxim6t0QCKamis05pVkABTrr/K6tnvityV+Ie34jEXPKdEDo uiNO67WiNzgkaoAdV/13i1wx2x3JuwJYXcSvYvf0Gy+/82SMQkqD2c8sz3CbuTmZKMZOOrBbny6 9cAjo6GNzhufvGB/iwC9hCp2lZ7Aywi8tYbsBVUEsbbV2KEx4uHXbc/mSHOs= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6808:2445:b0:497:da47:df4d with SMTP id 5614622812f47-4afadfcf73bmr17367700b6e.16.1786234234039; Sat, 08 Aug 2026 17:10:34 -0700 (PDT) Date: Sat, 08 Aug 2026 17:10:34 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6a77c57a.01d0871a.3a0d52.007a.GAE@google.com> Subject: [syzbot] [intel-wired-lan?] kernel panic: UBSAN: panic_on_warn set ... (3) From: syzbot To: andrew+netdev@lunn.ch, anthony.l.nguyen@intel.com, davem@davemloft.net, edumazet@google.com, intel-wired-lan@lists.osuosl.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pabeni@redhat.com, przemyslaw.kitszel@intel.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 848acc8ffe1b Merge tag 'fsverity-for-linus' of git://git.k.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=16a24bb9580000 kernel config: https://syzkaller.appspot.com/x/.config?x=145fa60d73086782 dashboard link: https://syzkaller.appspot.com/bug?extid=167d8196c0bada4210fa compiler: gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/d900f083ada3/non_bootable_disk-848acc8f.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/6fb497cc0c8d/vmlinux-848acc8f.xz kernel image: https://storage.googleapis.com/syzbot-assets/663ccee34982/bzImage-848acc8f.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+167d8196c0bada4210fa@syzkaller.appspotmail.com Kernel panic - not syncing: UBSAN: panic_on_warn set ... CPU: 3 UID: 0 PID: 14356 Comm: syz.5.433 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120 vpanic+0x552/0x970 kernel/panic.c:651 panic+0xd1/0xe0 kernel/panic.c:788 check_panic_on_warn kernel/panic.c:525 [inline] check_panic_on_warn.cold+0x19/0x34 kernel/panic.c:520 __ubsan_handle_shift_out_of_bounds+0x279/0x2a0 lib/ubsan.c:494 e100_eeprom_load.cold+0x55/0x9e drivers/net/ethernet/intel/e100.c:768 e100_probe+0xd07/0x1ab0 drivers/net/ethernet/intel/e100.c:2921 local_pci_probe+0xdd/0x1b0 drivers/pci/pci-driver.c:332 pci_call_probe+0x176/0x800 drivers/pci/pci-driver.c:394 __pci_device_probe drivers/pci/pci-driver.c:455 [inline] pci_device_probe+0x1cd/0x370 drivers/pci/pci-driver.c:489 call_driver_probe drivers/base/dd.c:628 [inline] really_probe+0x241/0xa60 drivers/base/dd.c:706 __driver_probe_device+0x20e/0x450 drivers/base/dd.c:868 device_driver_attach+0xd1/0x220 drivers/base/dd.c:1203 bind_store+0xf4/0x190 drivers/base/bus.c:267 drv_attr_store+0x74/0xb0 drivers/base/bus.c:125 sysfs_kf_write+0xf2/0x150 fs/sysfs/file.c:145 kernfs_fop_write_iter+0x3e0/0x5f0 fs/kernfs/file.c:345 new_sync_write fs/read_write.c:595 [inline] vfs_write+0x6ac/0x1050 fs/read_write.c:687 ksys_write+0x12a/0x250 fs/read_write.c:739 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x115/0x870 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f53bab9e019 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f53bba7f028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f53bae26090 RCX: 00007f53bab9e019 RDX: 000000000000000c RSI: 0000200000000280 RDI: 0000000000000006 RBP: 00007f53bac3500c R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f53bae26128 R14: 00007f53bae26090 R15: 00007fffaac44238 Kernel Offset: disabled Rebooting in 86400 seconds.. --- 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. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup