On Wed, Aug 7, 2019 at 9:28 PM 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=151b2
On Thu, Aug 08, 2019 at 02:49:25AM +0100, Al Viro wrote:
> On Wed, Aug 07, 2019 at 12:58:21PM -0700, Matthew Wilcox wrote:
> > On Wed, Aug 07, 2019 at 12:28:06PM -0700, syzbot wrote:
> > > usercopy: Kernel memory exposure attempt detected from wrapped address
> > > (offset 0, size 0)!
> > > ---
On Wed, Aug 07, 2019 at 12:58:21PM -0700, Matthew Wilcox wrote:
> On Wed, Aug 07, 2019 at 12:28:06PM -0700, syzbot wrote:
> > usercopy: Kernel memory exposure attempt detected from wrapped address
> > (offset 0, size 0)!
> > [ cut here ]
> > kernel BUG at mm/usercopy.c:98!
>
On Wed, Aug 07, 2019 at 12:58:21PM -0700, Matthew Wilcox wrote:
> On Wed, Aug 07, 2019 at 12:28:06PM -0700, syzbot wrote:
> > usercopy: Kernel memory exposure attempt detected from wrapped address
> > (offset 0, size 0)!
> > [ cut here ]
> > kernel BUG at mm/usercopy.c:98!
>
On Wed, Aug 07, 2019 at 12:28:06PM -0700, syzbot wrote:
> usercopy: Kernel memory exposure attempt detected from wrapped address
> (offset 0, size 0)!
> [ cut here ]
> kernel BUG at mm/usercopy.c:98!
This report is confusing because the arguments to usercopy_abort() are wro
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=151b292660
kernel config: https://syzkaller.appspot.com/x/.
