From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B51CE2E8DEB for ; Fri, 3 Jul 2026 16:30:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.129.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783096232; cv=none; b=la51X8M0fKhdhiUepsbKhZAyLsWJY/gmNOr/0NDPUIQ9Qf3nzKgzLlsvA8G1UnmNuEgHhUbS5UZAKteG8BfovmE96kUDcZMaa4fNGw3cNIYAT+TNiunG7Jb2CZJc43jL8m4bn9dF/lqaxXjZ2YDLFSvEu7AA/ZjRqDqpUX3cre0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783096232; c=relaxed/simple; bh=0CRYoHs8wvBuD03IsbtP2Ve9yh2Pqll95uV9IxaOdkI=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=dOOKEOGXjT9eXpPpHkwVvBJTMM5OlMviKDKESn/GEb77pUu/+d4iNey20tvSOt8wzQUmbO+W/yRwsgIuzJqax/1RuwosYuWpR3tloM4c4SMrtshO16egkwWn026r0W5Yre2vMeYQQnVULmHDivN/UlwLijeTJj9yEE32RTaVvOU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=VDn7A6H5; arc=none smtp.client-ip=170.10.129.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="VDn7A6H5" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1783096229; 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: in-reply-to:in-reply-to:references:references; bh=3gLsJtFn7ODOWcrCk2NOJF+bI1kcWS9SdZ5UbnYHxbw=; b=VDn7A6H5/el2wvV1pO/r2nO6N4WFvK4lsmBfJlyUpta4r6fwEYqByfw4GMjqo3Y49i8LKs kXbHfwTgg0ZWR8KiS0hOQHWo1JTfLrO38x00sTibxetH/x0t1zw493JO3NQkKqJHRqXwu6 EAbYZUFq7A06RRp3dYzLPgAmxvQ9pHI= Received: from mx-prod-mc-03.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-683-SpeF33BxMLiQ5-iPZ0QsyA-1; Fri, 03 Jul 2026 12:30:24 -0400 X-MC-Unique: SpeF33BxMLiQ5-iPZ0QsyA-1 X-Mimecast-MFC-AGG-ID: SpeF33BxMLiQ5-iPZ0QsyA_1783096223 Received: from mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.17]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 2FDE619772D5; Fri, 3 Jul 2026 16:30:22 +0000 (UTC) Received: from fedora (unknown [10.44.32.112]) by mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with SMTP id D073C1971E7E; Fri, 3 Jul 2026 16:30:16 +0000 (UTC) Received: by fedora (nbSMTP-1.00) for uid 1000 oleg@redhat.com; Fri, 3 Jul 2026 18:30:21 +0200 (CEST) Date: Fri, 3 Jul 2026 18:30:15 +0200 From: Oleg Nesterov To: syzbot Cc: bp@alien8.de, dave.hansen@linux.intel.com, hpa@zytor.com, linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, linux-usb@vger.kernel.org, mhiramat@kernel.org, mingo@redhat.com, peterz@infradead.org, syzkaller-bugs@googlegroups.com, tglx@kernel.org, x86@kernel.org Subject: Re: [syzbot] [trace?] [usb?] general protection fault in mas_start (2) Message-ID: References: <6a47dd16.6912059f.e0473.000e.GAE@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <6a47dd16.6912059f.e0473.000e.GAE@google.com> X-Scanned-By: MIMEDefang 3.0 on 10.30.177.17 On 07/03, syzbot wrote: > > Hello, > > syzbot found the following issue on: > > HEAD commit: dc59e4fea9d8 Linux 7.2-rc1 > git tree: upstream > console output: https://syzkaller.appspot.com/x/log.txt?x=12610e1c580000 > kernel config: https://syzkaller.appspot.com/x/.config?x=3c3d59be33cf7e9a > dashboard link: https://syzkaller.appspot.com/bug?extid=0255c92c72505dcacba6 > compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=143f8261580000 > > Downloadable assets: > disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/d900f083ada3/non_bootable_disk-dc59e4fe.raw.xz > vmlinux: https://storage.googleapis.com/syzbot-assets/9ee1f0ea24f2/vmlinux-dc59e4fe.xz > kernel image: https://storage.googleapis.com/syzbot-assets/729e963a1370/bzImage-dc59e4fe.xz > > IMPORTANT: if you fix the issue, please add the following tag to the commit: > Reported-by: syzbot+0255c92c72505dcacba6@syzkaller.appspotmail.com ... > If the report is a duplicate of another one, reply with: > #syz dup: exact-subject-of-another-report #syz dup: [syzbot] [trace?] general protection fault in mtree_load Oleg.