From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f69.google.com (mail-io1-f69.google.com [209.85.166.69]) (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 59FE727F747 for ; Tue, 22 Jul 2025 19:47:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.69 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753213638; cv=none; b=uOIeqAADRDJL6/4hFUUU02o8bXC6qCsREH+AVVv2gzZysqHmjqp0m+q6aAG+oCM+d61U26Das/Ymw+N2/JgBKTsCb8+ErOqP8K9YkgLTsDRZE1CVkbK6I+WkEsCFABYNp8bRcbtl+xeLahVHjKXlJgTuYRs+TihAx6xdaqagPRw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753213638; c=relaxed/simple; bh=KhAupNvkqYbB+L15tQt/GviWL4AKCEiGwpuo76Nu0v4=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To:Cc: Content-Type; b=n4SHADrzGaHD4A/es6+ZbLf32jk1ltmPVGoVIi5+FTdZ+z8jsQ+KJnAByOkazWyb48KZn+li++SM4rw/g9VycKAkIJJcnhmNkt8PY452TEdqNzs1uNzZY47X5FeRbAayr0FG+96U6mIcD0IAFICU3CIcJLi58ZnSpo81cW3UCN8= 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=209.85.166.69 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-io1-f69.google.com with SMTP id ca18e2360f4ac-87c24b196cbso362517039f.2 for ; Tue, 22 Jul 2025 12:47:17 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1753213636; x=1753818436; h=cc:to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=KhAupNvkqYbB+L15tQt/GviWL4AKCEiGwpuo76Nu0v4=; b=JNWpTIpS+1h/+/O8lJK+YJmLkhXZsBqLje2FPag7HAOcOHyMO8yYSsbD8GvPsE+F7g UIZDBY+y+UlnuFSm6XNR4Q92o6AHAn0U5nuavzi7FLI9XSNWUBh43EEmQD37qBym4jzy kcS8y+tNUJkP36yvLybulJN5RUXVmgDWAHTw2AM2tazI+nJypMeyqHFXZTLG9ZgwHf/G lPY4daNDpV4PaT6FZ90iUJdpZsMJgw0VttN/oBRmVasqS76dolVP41ZEL/BOSCbQZrI2 z0dMiO2gSb2f1Osi31Bx5ZycNRhNfvMoZ5g/ChrFncyk+qQW245kVwZWNn6BLEBLqWtR 6xhQ== X-Gm-Message-State: AOJu0YwlWePR8lFfOGGkfO3FhupNNH6Xndgc2q/bOK+4StSAY8XknTZ1 IWOteqc80E1gESVsZKElxC/oasWUTVW5piVFGvqRXYE15/pJI/hZ/ePkHkUB2JP7CD1mWHZmpXg FuK0yrUSIgQvgbHCY1MXAcj6KiJ4mtXo5mcmHkGJdJ8UWMAwjFyHPKRMCiF4= X-Google-Smtp-Source: AGHT+IHkT5bOsizzU4GRs55SoiHPfaxYPynREfRYvB8D/6LfMyvr/79oLo0wP85sSp16FuCWGJLBWrzBJ3OdxAlHmMvHFGDxa1eO Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6602:1584:b0:862:fe54:df4e with SMTP id ca18e2360f4ac-87c64fd8f3dmr67755639f.7.1753213636550; Tue, 22 Jul 2025 12:47:16 -0700 (PDT) Date: Tue, 22 Jul 2025 12:47:16 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <687feac4.a70a0220.21b99c.0014.GAE@google.com> Subject: Re: [syzbot] [sctp?] UBSAN: shift-out-of-bounds in sctp_transport_update_rto From: syzbot To: moonhee.lee.ca@gmail.com Cc: linux-kernel@vger.kernel.org, linux-sctp@vger.kernel.org, moonhee.lee.ca@gmail.com, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" > #syz test git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git main This crash does not have a reproducer. I cannot test it.