On Tue, Sep 24, 2019 at 10:33:12AM -0400, Alan Stern wrote: > On Tue, 24 Sep 2019, Andrey Konovalov wrote: > > > On Tue, Sep 24, 2019 at 4:19 PM syzbot > > <syzbot+dbd38fbb686a9681143a@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote: > > > > > > Hello, > > > > > > syzbot found the following crash on: > > > > > > HEAD commit: d9e63adc usb-fuzzer: main usb gadget fuzzer driver > > > git tree: https://github.com/google/kasan.git usb-fuzzer > > > console output: https://syzkaller.appspot.com/x/log.txt?x=1602b303600000 > > > kernel config: https://syzkaller.appspot.com/x/.config?x=f4fa60e981ee8e6a > > > dashboard link: https://syzkaller.appspot.com/bug?extid=dbd38fbb686a9681143a > > > compiler: gcc (GCC) 9.0.0 20181231 (experimental) > > > > > > Unfortunately, I don't have any reproducer for this crash yet. > > > > > > IMPORTANT: if you fix the bug, please add the following tag to the commit: > > > Reported-by: syzbot+dbd38fbb686a9681143a@xxxxxxxxxxxxxxxxxxxxxxxxx > > > Most probably the same bug: > > > > https://syzkaller.appspot.com/bug?extid=745b0dff8028f9488eba > > > > #syz dup: KASAN: invalid-free in disconnect_rio (2) > > Even more to the point, a patch was recently posted to the mailing list > to remove the rio500 driver entirely: > > https://marc.info/?l=linux-usb&m=156925553004947&w=2 I'll be queueing this up and just marking the driver BROKEN on older kernels to solve all of these issues :) thanks, greg k-h
