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Diffstat (limited to 'src/grep/tests/triple-backref')
| -rwxr-xr-x | src/grep/tests/triple-backref | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/grep/tests/triple-backref b/src/grep/tests/triple-backref new file mode 100755 index 0000000..796fa7b --- /dev/null +++ b/src/grep/tests/triple-backref @@ -0,0 +1,30 @@ +#! /bin/sh +# Test for a bug in glibc's regex code as of September 7, 2014. +# +# Copyright (C) 2014-2021 Free Software Foundation, Inc. +# +# Copying and distribution of this file, with or without modification, +# are permitted in any medium without royalty provided the copyright +# notice and this notice are preserved. + +# This tickles a bug in the regex code that can cause heap violations etc. +# A fix would be welcome, though fixing is not trivial. See: +# https://sourceware.org/bugzilla/show_bug.cgi?id=11053 + +. "${srcdir=.}/init.sh"; path_prepend_ ../src +require_timeout_ + +echo a > in || framework_failure_ + +fail=0 + +# Clear this, so glibc doesn't bother to produce a core dump. +MALLOC_CHECK_= + +warn_ "$ME_: expect malfunction on glibc systems due to" \ + "https://sourceware.org/bugzilla/show_bug.cgi?id=11053" + +timeout 10 grep -E '(.?)(.?)(.?)\3\2\1' in > out || fail=1 +compare out in || fail=1 + +Exit $fail |