Hello:
This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@xxxxxxxxxx>:
On Thu, 4 Apr 2024 20:27:38 +0000 you wrote:
> syzbot reported an illegal copy in xsk_setsockopt() [1]
>
> Make sure to validate setsockopt() @optlen parameter.
>
> [1]
>
> BUG: KASAN: slab-out-of-bounds in copy_from_sockptr_offset include/linux/sockptr.h:49 [inline]
> BUG: KASAN: slab-out-of-bounds in copy_from_sockptr include/linux/sockptr.h:55 [inline]
> BUG: KASAN: slab-out-of-bounds in xsk_setsockopt+0x909/0xa40 net/xdp/xsk.c:1420
> Read of size 4 at addr ffff888028c6cde3 by task syz-executor.0/7549
>
> [...]
Here is the summary with links:
- [net] xsk: validate user input for XDP_{UMEM|COMPLETION}_FILL_RING
https://git.kernel.org/netdev/net/c/237f3cf13b20
You are awesome, thank you!
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