On Wed, Aug 21, 2019 at 6:26 PM Andrey Konovalov <andreyknvl@xxxxxxxxxx> wrote: > > On Wed, Aug 21, 2019 at 6:24 PM Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote: > > > > On Wed, 21 Aug 2019, Andrey Konovalov wrote: > > > > > On Wed, Aug 21, 2019 at 3:37 PM syzbot > > > <syzbot+5a6c4ec678a0c6ee84ba@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote: > > > > > > > > Hello, > > > > > > > > syzbot has tested the proposed patch but the reproducer still triggered > > > > crash: > > > > KASAN: slab-out-of-bounds Read in hidraw_ioctl > > > > > > Same here, a different bug. > > > > It looks like I've got the fix for both these bugs. Testing now... > > Great! Do you think "BUG: bad usercopy in hidraw_ioctl" can also be > fixed by one of those fixes? We actually have a bunch of other non reproducible bug reports that come from HID. I think I'll dup them into these two bugs that you've fixed, and we'll see if syzkaller triggers them again once the fixes are upstream. > > > > > > > Tested on: > > > > > > > > commit: e96407b4 usb-fuzzer: main usb gadget fuzzer driver > > > > git tree: https://github.com/google/kasan.git > > > > console output: https://syzkaller.appspot.com/x/log.txt?x=14f14a1e600000 > > > > kernel config: https://syzkaller.appspot.com/x/.config?x=cfa2c18fb6a8068e > > > > compiler: gcc (GCC) 9.0.0 20181231 (experimental) > > > > patch: https://syzkaller.appspot.com/x/patch.diff?x=171cd95a600000 > > > > Why don't these patch-test reports include the dashboard link? It sure > > would be handy to have a copy of it here. Sorry, didn't notice this comment. This should be easy to implement, I'll look into that, thanks!