On Thu, Aug 08, 2019 at 05:38:06AM -0700, syzbot wrote: > Hello, > > syzbot found the following crash on: > > HEAD commit: e96407b4 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=13aeaece600000 > kernel config: https://syzkaller.appspot.com/x/.config?x=cfa2c18fb6a8068e > dashboard link: https://syzkaller.appspot.com/bug?extid=45b2f40f0778cfa7634e > 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+45b2f40f0778cfa7634e@xxxxxxxxxxxxxxxxxxxxxxxxx > > ldusb 6-1:0.124: Read buffer overflow, -131383996186150 bytes dropped That's a funny number :) Nice overflow found, I see you are now starting to fuzz the char device nodes of usb drivers... Michael, care to fix this up? thanks, greg k-h
