From: Wei Liu <wei.liu2@citrix.com>
Date: Wed, 25 Jan 2017 15:40:44 +0000 (+0000)
Subject: fuzz: update README.afl example
X-Git-Tag: archive/raspbian/4.11.1-1+rpi1~1^2~66^2~2847
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=55a04feaa1f8ab6ef7d723fbb1d39c6b96ad184a;p=xen.git

fuzz: update README.afl example

Signed-off-by: Wei Liu <wei.liu2@citrix.com>
Acked-by: Jan Beulich <jbeulich@suse.com>
---

diff --git a/tools/fuzz/README.afl b/tools/fuzz/README.afl
index 431b4a8cbf..68e0fa396f 100644
--- a/tools/fuzz/README.afl
+++ b/tools/fuzz/README.afl
@@ -20,9 +20,10 @@ Use the x86 instruction emulator fuzzer as an example.
    $ make distclean
    $ make CC=$AFLPATH/afl-gcc afl # produces afl-x86-insn-emulator-fuzzer
 
-3. provide initial test case:
+3. provide initial test case (fuzzer dependent, see afl-*.c):
    $ mkdir testcase_dir
-   $ echo -n -e '\xc3' > testcase_dir/ret.bin
+   $ dd if=/dev/urandom of=testcase_dir/rand.bin \
+       bs=`./afl-x86-insn-emulator-fuzzer --min-input-size` count=1
 
 4. run the fuzzer with AFL:
    $ $AFLPATH/afl-fuzz -m none -t 1000 -i testcase_dir -o findings_dir -- \