1 files changed, 49 insertions, 0 deletions
diff --git a/tests/t0350-mac-PT-increases-sector-size.sh b/tests/t0350-mac-PT-increases-sector-size.sh
new file mode 100644
index 0000000..b065728
--- /dev/null
+++ b/tests/t0350-mac-PT-increases-sector-size.sh
@@ -0,0 +1,49 @@
+#!/bin/sh
+# With parted-3.1, a MAC partition table that specified a sector size (B)
+# larger than what the kernel told us (SS) would cause parted to read B
+# bytes into a smaller, SS-byte buffer, clobbering heap storage.
+
+# Copyright (C) 2012-2014, 2019-2023 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../parted
+require_512_byte_sector_size_
+
+dev=loop-file
+ss=$sector_size_
+
+dd if=/dev/null of=$dev bs=$ss seek=2000 || framework_failure
+parted -s $dev mklabel mac > out 2>&1 || fail=1
+# expect no output
+compare /dev/null out || fail=1
+
+# Poke a big-endian 1024 into the 2-byte block_size slot.
+perl -e 'print pack("S>", 1024)'|dd of=$dev bs=1 seek=2 count=2 conv=notrunc \
+  || fail=1
+
+printf 'ignore\ncancel\n' > in || framework_failure
+
+cat <<EOF > exp
+BYT;
+FILE:2000s:file:1024:512:unknown::;
+EOF
+
+parted -m ---pretend-input-tty $dev u s p < in > err 2>&1 || fail=1
+sed 's,
+   *
+,,g;s!^/[^:]*:!FILE:!' err \
+  | grep -Evi '^(ignore|fix|error|warning)' \
+  > k && mv k err || fail=1
+compare exp err || fail=1
+
+Exit $fail