Fix bpf_strnstr len error#5852

kernel-patches-daemon-bpf-rc[bot] wants to merge 2 commits intobpf-next_basekernel-patches/bpf-rc:bpf-next_basefrom

series/996726=>bpf-nextkernel-patches/bpf-rc:series/996726=>bpf-nextCopy head branch name to clipboard