Hello:
This series was applied to bpf/bpf-next.git (master)
by Alexei Starovoitov <ast@xxxxxxxxxx>:
On Fri, 4 Feb 2022 15:58:48 -0800 you wrote:
> When kattr->test.data_size_in > INT_MAX, signed min_t will assign
> negative value to data_len. This negative value then gets passed
> over to copy_from_user where it is converted to (big) unsigned.
>
> Use unsigned min_t to avoid this overflow.
>
> usercopy: Kernel memory overwrite attempt detected to wrapped address
> (offset 0, size 18446612140539162846)!
>
> [...]
Here is the summary with links:
- [bpf-next,1/2] bpf: test_run: fix overflow in xdp frags parsing
https://git.kernel.org/bpf/bpf-next/c/9d63b59d1e9d
- [bpf-next,2/2] bpf: test_run: fix overflow in bpf_test_finish frags parsing
https://git.kernel.org/bpf/bpf-next/c/5d1e9f437df5
You are awesome, thank you!
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