Re: KASAN: use-after-free Read in do_set_interface

2020-10-31 Thread Kyungtae Kim
It cannot be reproducible, unfortunately. Thanks, Kyungtae Kim On Sat, Oct 31, 2020 at 9:40 PM Alan Stern wrote: > > On Wed, Oct 28, 2020 at 04:51:09PM -0400, Kyungtae Kim wrote: > > We report a bug (in linux-5.8.13) found by FuzzUSB (a modified version > > of syzkaller). > > > > The bug happene

Re: KASAN: use-after-free Read in do_set_interface

2020-10-31 Thread Alan Stern
On Wed, Oct 28, 2020 at 04:51:09PM -0400, Kyungtae Kim wrote: > We report a bug (in linux-5.8.13) found by FuzzUSB (a modified version > of syzkaller). > > The bug happened when accessing a freed instance of struct fsg_dev > (i.e., fsg->bulk_in) in do_set_interface() (line 2245). > >

KASAN: use-after-free Read in do_set_interface

2020-10-28 Thread Kyungtae Kim
We report a bug (in linux-5.8.13) found by FuzzUSB (a modified version of syzkaller). The bug happened when accessing a freed instance of struct fsg_dev (i.e., fsg->bulk_in) in do_set_interface() (line 2245). == BUG: KASAN: use-after