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Program test-coredump-unwind was modified to map backing files based on virtual addresses instead of segment numbers. The crasher.c is a program that essentially calls some functions and then writes to invalid address causing a crash. Before that, it detects which executables are mapped to which virtual addresses and writes this information to a file suitable for consumption by test-coredump-unwind. The mapping information is obtained form /proc/self/maps, so currently it only works on linux. The test itself is a shell script, which first runs the program and then runs test-coredump-unwind on the resulting core and address space map file to check whether the stack trace obtained from the dump roughly corresponds to what it should look like. Signed-off-by: Martin Milata <mmilata@redhat.com>
20 lines
394 B
Bash
Executable file
20 lines
394 B
Bash
Executable file
#!/bin/sh
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TESTDIR=`pwd`
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TEMPDIR=`mktemp -d`
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# create core dump
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(
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cd $TEMPDIR
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ulimit -c 10000
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$TESTDIR/crasher $TEMPDIR/backing_files
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) 2>/dev/null
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COREFILE=$TEMPDIR/core*
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# fail if any command fails
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set -e
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# magic option -testcase enables checking for the specific contents of the stack
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./test-coredump-unwind $COREFILE -testcase `cat $TEMPDIR/backing_files`
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rm -r -- $TEMPDIR
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