Displaying 2 results from an estimated 2 matches for "c51e6736a1bf614b3272".
2018 Aug 08
1
[PATCH net] vhost: reset metadata cache when initializing new IOTLB
We need to reset metadata cache during new IOTLB initialization,
otherwise the stale pointers to previous IOTLB may be still accessed
which will lead a use after free.
Reported-by: syzbot+c51e6736a1bf614b3272 at syzkaller.appspotmail.com
Fixes: f88949138058 ("vhost: introduce O(1) vq metadata cache")
Signed-off-by: Jason Wang <jasowang at redhat.com>
---
drivers/vhost/vhost.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/drivers/vhost/vhost.c b/drivers/vho...
2018 Aug 08
0
KASAN: use-after-free Read in iotlb_access_ok
...gt; git://git.kernel.org/pub/scm/linux/kern..
> git tree:?????? upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=10a153e0400000
> kernel config: https://syzkaller.appspot.com/x/.config?x=2dc0cd7c2eefb46f
> dashboard link:
> https://syzkaller.appspot.com/bug?extid=c51e6736a1bf614b3272
> compiler:?????? gcc (GCC) 8.0.1 20180413 (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+c51e6736a1bf614b3272 at syzkaller.appspotmail...