On Thu, Apr 5, 2018 at 8:54 PM, Dmitry Vyukov <dvyukov@xxxxxxxxxx> wrote: > On Tue, Apr 3, 2018 at 6:38 AM, Dave Chinner <david@xxxxxxxxxxxxx> wrote: >> On Mon, Apr 02, 2018 at 07:01:02PM -0700, syzbot wrote: >>> Hello, >>> >>> syzbot hit the following crash on upstream commit >>> 86bbbebac1933e6e95e8234c4f7d220c5ddd38bc (Mon Apr 2 18:47:07 2018 +0000) >>> Merge branch 'ras-core-for-linus' of >>> git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip >>> syzbot dashboard link: >>> https://syzkaller.appspot.com/bug?extid=84a67953651a971809ba >>> >>> C reproducer: https://syzkaller.appspot.com/x/repro.c?id=5719304272084992 >>> syzkaller reproducer: >>> https://syzkaller.appspot.com/x/repro.syz?id=5767783983874048 >> >> What a mess. A hand built, hopelessly broken filesystem image made >> up of hex dumps, written into a mmap()d region of memory, then >> copied into a tmpfs file and mounted with the loop device. >> >> Engineers that can debug broken filesystems don't grow on trees. If >> we are to have any hope of understanding what the hell this test is >> doing, the bot needs to supply us with a copy of the built >> filesystem image the test uses. We need to be able to point forensic >> tools at the image to decode all the structures into human readable >> format - if we are forced to do that by hand or jump through hoops >> to create our own filesystem image than I'm certainly not going to >> waste time looking at these reports... > > Hi Dave, > > Here is the image: > https://drive.google.com/file/d/1jzhGGe5SBJcqfsjxCLHoh4Kazke1oTfC/view Have anybody looked at the bug and the image yet? -- To unsubscribe from this list: send the line "unsubscribe linux-xfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html