bpf: use bpf_probe_read in implicitly generated kernel mem read #2986
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Currently, bcc rewriter uses bpf_probe_read_kernel() for implicitly specified kernel memory read. This is not totally correct. Some user memory in kernel data structure may be accessed. bpf_probe_read_kernel() may fail with later kernels. Let us revert back to old bpf_probe_read().
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Currently, bcc rewriter uses bpf_probe_read_kernel() for implicitly specified
kernel memory read. This is not totally correct. Some user memory in kernel
data structure may be accessed. bpf_probe_read_kernel() may fail with
later kernels. Let us revert back to old bpf_probe_read().