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hakmem/capture_crash_gdb.sh

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#!/bin/bash
for i in $(seq 1 100); do
seed=$RANDOM
echo "Attempt $i with seed $seed..." >&2
gdb -batch -ex 'set pagination off' \
-ex 'set print pretty on' \
-ex "run 100000 512 $seed" \
-ex 'bt full' \
-ex 'info registers' \
-ex 'info threads' \
-ex 'thread apply all bt' \
-ex 'x/32xg $rsp' \
-ex 'disassemble $pc-32,$pc+32' \
-ex 'quit' \
./bench_random_mixed_hakmem > /tmp/gdb_out_$i.log 2>&1
if grep -q "signal SIG" /tmp/gdb_out_$i.log; then
echo "CRASH CAPTURED on attempt $i with seed $seed!" >&2
cp /tmp/gdb_out_$i.log gdb_crash_full.log
exit 0
fi
done
echo "No crash found in 100 attempts" >&2
exit 1