On Wed, May 2, 2018 at 12:51 AM, Dave Chinner <david@xxxxxxxxxxxxx> 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? > > Yes, I did that a couple of weeks ago. Couldn't reproduce on a TOT > kernel here. Do you think it is fixed now? What fixed it? The bug was there. -- 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