scripts/find.sh

   1 #!/bin/bash
   2 #
   3 # This is an example of how to search for an interaction between
   4 # two syscalls.   In the example below I was chasing an oops in
   5 # sendmsg that only occurred after connect was called.
   6 #
   7
   8 TRINITY_PATH=${TRINITY_PATH:-.}
   9 TRINITY_TMP=$(mktemp -d /tmp/trinity.XXXXXX)
  10
  11 check_tainted()
  12 {
  13     if [ "$(cat /proc/sys/kernel/tainted)" != $TAINT ]; then
  14       echo ERROR: Taint flag changed $(cat /proc/sys/kernel/tainted)
  15       exit
  16     fi
  17 }
  18
  19 chmod 755 $TRINITY_TMP
  20 cd $TRINITY_TMP
  21
  22 TAINT=$(cat /proc/sys/kernel/tainted)
  23
  24 NR_CPUS=`grep ^processor /proc/cpuinfo | /usr/bin/wc -l`
  25
  26 while [ 1 ];
  27 do
  28
  29
  30 for sc in $($TRINITY_PATH/trinity -L | grep entrypoint | grep -v AVOID | awk '{ print $3 }' | sort -u)
  31 do
  32   mkdir -p tmp.$i
  33   pushd tmp.$i
  34
  35   if [ ! -f $TRINITY_PATH/trinity ]; then
  36     echo lost!
  37     pwd
  38     exit
  39   fi
  40
  41   $TRINITY_PATH/trinity -q -l off -n -c sendmsg -c $sc -C32 -N 999999
  42
  43   popd
  44
  45   check_tainted
  46
  47   chmod 755 $TRINITY_TMP
  48
  49 done
  50
  51 done