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Revision 19a58ce1dc72264b9d50ff6d86cc36b3c439fb64 authored by Xinpeng Liu on 07 August 2019, 23:29:23 UTC, committed by Steven Rostedt (VMware) on 31 August 2019, 10:51:55 UTC 
tracing/probe: Fix null pointer dereference
 
BUG: KASAN: null-ptr-deref in trace_probe_cleanup+0x8d/0xd0
Read of size 8 at addr 0000000000000000 by task syz-executor.0/9746
trace_probe_cleanup+0x8d/0xd0
free_trace_kprobe.part.14+0x15/0x50
alloc_trace_kprobe+0x23e/0x250

Link: http://lkml.kernel.org/r/1565220563-980-1-git-send-email-danielliu861@gmail.com

Fixes: e3dc9f898ef9c ("tracing/probe: Add trace_event_call accesses APIs")
Signed-off-by: Xinpeng Liu <danielliu861@gmail.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
1 parent 595a438
Raw File
asciidoctor-extensions.rb 
require 'asciidoctor'
require 'asciidoctor/extensions'

module Perf
  module Documentation
    class LinkPerfProcessor < Asciidoctor::Extensions::InlineMacroProcessor
      use_dsl

      named :chrome

      def process(parent, target, attrs)
        if parent.document.basebackend? 'html'
          %(<a href="#{target}.html">#{target}(#{attrs[1]})</a>\n)
        elsif parent.document.basebackend? 'manpage'
          "#{target}(#{attrs[1]})"
        elsif parent.document.basebackend? 'docbook'
          "<citerefentry>\n" \
            "<refentrytitle>#{target}</refentrytitle>" \
            "<manvolnum>#{attrs[1]}</manvolnum>\n" \
          "</citerefentry>\n"
        end
      end
    end
  end
end

Asciidoctor::Extensions.register do
  inline_macro Perf::Documentation::LinkPerfProcessor, :linkperf
end
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