osmith has submitted this change. ( https://gerrit.osmocom.org/c/osmo-ci/+/41155?usp=email )

Change subject: scripts/wrapper_core_bt_on_error: new script ......................................................................

scripts/wrapper_core_bt_on_error: new script

Add a wrapper script that runs a given program, and checks the exit code. If it is not 0, and a core file appears, then load the coredump in gdb and display its backtrace.

Change-Id: I9673abf3ae3b154505ea09237d37d7da4bf5d57f --- A scripts/wrapper_core_bt_on_error.sh 1 file changed, 38 insertions(+), 0 deletions(-)

Approvals: fixeria: Looks good to me, but someone else must approve Jenkins Builder: Verified daniel: Looks good to me, approved

diff --git a/scripts/wrapper_core_bt_on_error.sh b/scripts/wrapper_core_bt_on_error.sh new file mode 100755 index 0000000..ca1eaef --- /dev/null +++ b/scripts/wrapper_core_bt_on_error.sh @@ -0,0 +1,38 @@ +#!/bin/sh +# Copyright 2025 sysmocom - s.f.m.c. GmbH +# SPDX-License-Identifier: GPL-3.0-or-later +# Run a program and check for coredumps if it does not exit with 0. If there +# are any coredumps, then show the backtrace. +msg() { + echo "[wrapper_core_bt_on_error] $@" +} + +if [ $# -lt 1 ]; then + echo "usage: wrapper_core_bt_on_error.sh PROGRAM [ARG1 [ARG2 […]]]" + exit 1 +fi + +ulimit -c unlimited + +"$@" +RC=$? + +if [ "$RC" != 0 ]; then + for i in $(find -name 'core' -type f); do + msg "Found coredump: $i" + execfn="$(file "$i" | grep -P -o "execfn: '.*?'" | cut -d "'" -f 2)" + if [ -z "$execfn" ] || ! [ -e "$execfn" ]; then + msg "Failed to get execfn, ignoring..." + continue + fi + + echo + gdb --batch \ + "$execfn" \ + "$i" \ + -ex bt \ + | tee "$i.backtrace" + echo + done + exit $RC +fi