On Fri, May 8, 2020 at 11:33 AM Dmitry Vyukov <dvyukov@xxxxxxxxxx> wrote: > > On Thu, May 7, 2020 at 5:56 PM 'Andrey Konovalov' via syzkaller-bugs > <syzkaller-bugs@xxxxxxxxxxxxxxxx> wrote: > > > > On Wed, May 6, 2020 at 1:50 PM Andrey Konovalov <andreyknvl@xxxxxxxxxx> wrote: > > > > > > On Wed, May 6, 2020 at 10:54 AM Oliver Neukum <oneukum@xxxxxxxx> wrote: > > > > > > > > Am Freitag, den 20.03.2020, 12:28 -0700 schrieb syzbot: > > > > > Hello, > > > > > > > > > > syzbot found the following crash on: > > > > > > > > > > HEAD commit: e17994d1 usb: core: kcov: collect coverage from usb comple.. > > > > > git tree: https://github.com/google/kasan.git usb-fuzzer > > > > > console output: https://syzkaller.appspot.com/x/log.txt?x=11d74573e00000 > > > > > kernel config: https://syzkaller.appspot.com/x/.config?x=5d64370c438bc60 > > > > > dashboard link: https://syzkaller.appspot.com/bug?extid=7d42d68643a35f71ac8a > > > > > compiler: gcc (GCC) 9.0.0 20181231 (experimental) > > > > > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15fa561de00000 > > > > > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=15d74573e00000 > > > > > > > > > > IMPORTANT: if you fix the bug, please add the following tag to the commit: > > > > > Reported-by: syzbot+7d42d68643a35f71ac8a@xxxxxxxxxxxxxxxxxxxxxxxxx > > > > > > > > > > > > > Hi, > > > > > > > > is this bug still active and can a test be run on it? I requested one > > > > yesterday. If my analysis is correct this bug has security > > > > implications, so it is kind of important. > > > > > > I see your request in the queue and it's been registered and > > > completed, but for some reason syzbot didn't send an email with a > > > response. > > > > > > Let me try this once again: > > > > > > #syz test: https://github.com/google/kasan.git e17994d1 > > > > Still no response. Dmitry, any idea what could be wrong here? > > I suspect it has something to do with the fact that the bug is already > fixed (has a fixing commit). > > ...right, it was broken by: > https://github.com/google/syzkaller/commit/f8368f999a1964df6d39a225cd3f5ab3942dd755 > and we lack a test for this scenario. It was supposed to only disable > mailing of bisection jobs. Fixed in https://github.com/google/syzkaller/commit/2b98fdbcbcac6e99d12c88857406ef446bcac872 and added a test to fix this behavior for future. Thanks for the report.
