Re: [PATCH bpf] bpf: fix NULL deref in btf_type_is_resolve_source_only

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On 06/19/2019 09:01 PM, Stanislav Fomichev wrote:
> Commit 1dc92851849c ("bpf: kernel side support for BTF Var and DataSec")
> added invocations of btf_type_is_resolve_source_only before
> btf_type_nosize_or_null which checks for the NULL pointer.
> Swap the order of btf_type_nosize_or_null and
> btf_type_is_resolve_source_only to make sure the do the NULL pointer
> check first.
> 
> Fixes: 1dc92851849c ("bpf: kernel side support for BTF Var and DataSec")
> Reported-by: syzbot <syzkaller@xxxxxxxxxxxxxxxx>
> Signed-off-by: Stanislav Fomichev <sdf@xxxxxxxxxx>

Applied, thanks!



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