From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@freedesktop.org Subject: [Bug 98372] UBSAN in ../drivers/gpu/drm/drm_modes.c:325:49 Date: Fri, 21 Oct 2016 12:58:45 +0000 Message-ID: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============1066484188==" Return-path: Received: from culpepper.freedesktop.org (culpepper.freedesktop.org [131.252.210.165]) by gabe.freedesktop.org (Postfix) with ESMTP id F02656ED00 for ; Fri, 21 Oct 2016 12:58:48 +0000 (UTC) List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org --===============1066484188== Content-Type: multipart/alternative; boundary="14770547240.15CB.7888"; charset="UTF-8" --14770547240.15CB.7888 Date: Fri, 21 Oct 2016 12:58:44 +0000 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://bugs.freedesktop.org/ Auto-Submitted: auto-generated https://bugs.freedesktop.org/show_bug.cgi?id=3D98372 Bug ID: 98372 Summary: UBSAN in ../drivers/gpu/drm/drm_modes.c:325:49 Product: DRI Version: unspecified Hardware: Other OS: All Status: NEW Severity: normal Priority: medium Component: DRM/other Assignee: dri-devel@lists.freedesktop.org Reporter: marxin.liska@gmail.com Running $uname -a Linux linux-h8g6 4.9.0-rc1-2-syzkaller #1 SMP PREEMPT Mon Oct 17 19:37:55 U= TC 2016 (55c3dd5) x86_64 x86_64 x86_64 GNU/Linux with enabled UBSAN (built by GCC 7.0) in qemu, I reached following error: [ 48.723720] UBSAN: Undefined behaviour in ../drivers/gpu/drm/drm_modes.c:325:49 [ 48.726943] signed integer overflow: [ 48.728503] 2240 * 1000000 cannot be represented in type 'int' --=20 You are receiving this mail because: You are the assignee for the bug.= --14770547240.15CB.7888 Date: Fri, 21 Oct 2016 12:58:44 +0000 MIME-Version: 1.0 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://bugs.freedesktop.org/ Auto-Submitted: auto-generated
Bug ID 98372
Summary UBSAN in ../drivers/gpu/drm/drm_modes.c:325:49
Product DRI
Version unspecified
Hardware Other
OS All
Status NEW
Severity normal
Priority medium
Component DRM/other
Assignee dri-devel@lists.freedesktop.org
Reporter marxin.liska@gmail.com 

Running $uname -a
Linux linux-h8g6 4.9.0-rc1-2-syzkaller #1 SMP PREEMPT Mon Oct 17 19:37:55 U=
TC
2016 (55c3dd5) x86_64 x86_64 x86_64 GNU/Linux

with enabled UBSAN (built by GCC 7.0) in qemu, I reached following error:

[   48.723720] UBSAN: Undefined behaviour in
../drivers/gpu/drm/drm_modes.c:325:49
[   48.726943] signed integer overflow:
[   48.728503] 2240 * 1000000 cannot be represented in type 'int'

You are receiving this mail because:
  • You are the assignee for the bug.
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