Re: general protection fault in usb_find_alt_setting

2018-09-24 Thread Dmitry Vyukov
On Sun, Sep 23, 2018 at 11:15 PM, Vladis Dronov wrote: > Hello, Dmitry, > > Thank you for the reply. I probably do not properly understand how > syzcaller works then. Can you please, have a look at my reasoning. > > The bug: > > https://syzkaller.appspot.com/bug?id=4b88ff5aa6aa88f9283a45cc62f16e55

Re: general protection fault in usb_find_alt_setting

2018-09-23 Thread Vladis Dronov
- Original Message - > From: "Dmitry Vyukov" > To: "Vladis Dronov" > Cc: "syzbot" > , > "syzkaller-bugs" > , "Greg Kroah-Hartman" > , "Johan Hovold" > , "kai heng feng" , "LKML" > , &quo

Re: general protection fault in usb_find_alt_setting

2018-09-23 Thread Dmitry Vyukov
On Sun, Sep 23, 2018 at 11:11 AM, Vladis Dronov wrote: > #syz fix: USB: handle NULL config in usb_find_alt_setting() > #syz dup: general protection fault in usb_find_alt_setting (2) Same here. syzbot process designed in such way that it will not open second version of the bug (2) for the same bug

Re: general protection fault in usb_find_alt_setting

2018-05-11 Thread Dmitry Vyukov
On Sun, Nov 12, 2017 at 10:06 AM, syzbot wrote: > Hello, > > syzkaller hit the following crash on > d9e0e63d9a6f88440eb201e1491fcf730272c706 > git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/master > compiler: gcc (GCC) 7.1.1 20170620 > .config is attached > Raw console output is