hayodea
1a4f7f97bd
This adds a script which reproduces this bug after a lot of iterations in gdb and lets us get a backtrace
116 lines
3.5 KiB
Bash
Executable File
116 lines
3.5 KiB
Bash
Executable File
#!/bin/bash
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# Script to reproduce UdpCommandDemuxer race condition heisenbug
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# Runs salmanoff in GDB repeatedly, injecting SIGINT at random intervals
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#
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# Usage: ./reproduce_heisenbug.sh [WORKING_DIR]
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# WORKING_DIR: Working directory where salmanoff binary and all paths are relative to
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# If not provided, uses WORKING_DIR environment variable, or defaults to project root
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#
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# Environment variables:
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# WORKING_DIR: Working directory (can be overridden by command-line argument)
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# Get the directory where this script is located
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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PROJECT_ROOT="$(cd "$SCRIPT_DIR/../.." && pwd)"
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# Determine working directory (command-line arg > env var > default)
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if [ -n "$1" ]; then
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WORKING_DIR="$1"
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elif [ -n "$WORKING_DIR" ]; then
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# Use environment variable
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:
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else
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# Default to project root
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WORKING_DIR="$PROJECT_ROOT"
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fi
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# Convert to absolute path
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WORKING_DIR="$(cd "$WORKING_DIR" && pwd)"
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# Check if working directory exists
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if [ ! -d "$WORKING_DIR" ]; then
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echo "Error: Working directory does not exist: $WORKING_DIR" >&2
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exit 1
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fi
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# Paths - all relative to working directory
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SALMANOFF_BINARY="$WORKING_DIR/salmanoff"
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GDB_SCRIPT="$SCRIPT_DIR/gdb_heisenbug.gdb"
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# Check if binary exists
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if [ ! -f "$SALMANOFF_BINARY" ]; then
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echo "Error: salmanoff binary not found at $SALMANOFF_BINARY" >&2
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echo "Working directory: $WORKING_DIR" >&2
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exit 1
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fi
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# Check if GDB script exists
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if [ ! -f "$GDB_SCRIPT" ]; then
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echo "Error: GDB script not found at $GDB_SCRIPT" >&2
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exit 1
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fi
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# Command line arguments for salmanoff
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SALMANOFF_ARGS=(
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-p commonLibs/livoxProto1/
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-p commonLibs/xcbXorg/
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-p stimBuffApis/xcbWindow/
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-p stimBuffApis/livoxGen1/
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-a libxcbWindow.so
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-a liblivoxGen1.so
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-d devices/bodies/dell-laptop.daps
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)
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echo "=== UdpCommandDemuxer Heisenbug Reproduction Script ==="
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echo "Working Directory: $WORKING_DIR"
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echo "Binary: $SALMANOFF_BINARY"
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echo "GDB Script: $GDB_SCRIPT"
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echo "Arguments: ${SALMANOFF_ARGS[*]}"
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echo ""
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echo "Press Ctrl+C to stop the loop"
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echo ""
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# Change to working directory so all relative paths are resolved correctly
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cd "$WORKING_DIR"
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# Loop counter
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ITERATION=0
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# Main loop
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while true; do
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ITERATION=$((ITERATION + 1))
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echo "=========================================="
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echo "Iteration $ITERATION - $(date)"
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echo "=========================================="
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echo ""
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# Run GDB with the command file
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# GDB will stay interactive on segfault, exit on normal completion
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# When GDB stays interactive (on segfault), this will wait for user to quit GDB
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# When GDB exits normally (program completed), exit code will be 0 and loop continues
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# Note: We use a relative path to salmanoff binary since we're already in WORKING_DIR
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SALMANOFF_RELATIVE="salmanoff"
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if gdb -x "$GDB_SCRIPT" --args "$SALMANOFF_RELATIVE" "${SALMANOFF_ARGS[@]}"; then
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# GDB exited successfully (program completed normally)
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EXIT_CODE=0
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else
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# GDB exited with error (unexpected exit or user interrupted)
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EXIT_CODE=$?
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echo ""
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echo "GDB exited with code $EXIT_CODE"
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if [ $EXIT_CODE -ne 0 ] && [ $EXIT_CODE -ne 130 ]; then
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# Exit code 130 is SIGINT (user pressed Ctrl+C), which is expected
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echo "Unexpected GDB exit - check output above"
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fi
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fi
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echo ""
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echo "Iteration $ITERATION complete. Starting next iteration in 1 second..."
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sleep 1
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echo ""
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done
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echo ""
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echo "Loop terminated."
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