Package: diffoscope Version: 141 Severity: normal Comparing two versions of linux-image-5.5.0-trunk-amd64-dbg causes diffoscope to use up about 13 GiB of VM, and then crash because it still wants more:
$ TMPDIR=/var/tmp diffoscope --max-diff-block-lines-saved 1000 --text dummy.diffoscope linux-image-5.6.0-trunk-amd64-dbg_5.6.4-1~exp{1,2}_amd64.deb Traceback (most recent call last):#######| 100% ETA: 0:00:00 File "/usr/bin/diffoscope", line 36, in <module> main() File "/usr/lib/python3/dist-packages/diffoscope/main.py", line 740, in main sys.exit(run_diffoscope(parsed_args)) File "/usr/lib/python3/dist-packages/diffoscope/main.py", line 692, in run_diffoscope difference = compare_root_paths(path1, path2) File "/usr/lib/python3/dist-packages/diffoscope/comparators/utils/compare.py", line 74, in compare_root_paths difference = compare_files(file1, file2) File "/usr/lib/python3/dist-packages/diffoscope/comparators/utils/compare.py", line 128, in compare_files return file1.compare(file2, source) File "/usr/lib/python3/dist-packages/diffoscope/comparators/utils/file.py", line 453, in compare difference = self._compare_using_details(other, source) File "/usr/lib/python3/dist-packages/diffoscope/comparators/utils/file.py", line 401, in _compare_using_details other.as_container, no_recurse=no_recurse File "/usr/lib/python3/dist-packages/diffoscope/comparators/utils/container.py", line 195, in compare_pair file1, file2, source=None, diff_content_only=no_recurse File "/usr/lib/python3/dist-packages/diffoscope/comparators/utils/compare.py", line 128, in compare_files return file1.compare(file2, source) File "/usr/lib/python3/dist-packages/diffoscope/comparators/utils/file.py", line 453, in compare difference = self._compare_using_details(other, source) File "/usr/lib/python3/dist-packages/diffoscope/comparators/utils/file.py", line 401, in _compare_using_details other.as_container, no_recurse=no_recurse File "/usr/lib/python3/dist-packages/diffoscope/comparators/utils/container.py", line 195, in compare_pair file1, file2, source=None, diff_content_only=no_recurse File "/usr/lib/python3/dist-packages/diffoscope/comparators/utils/compare.py", line 128, in compare_files return file1.compare(file2, source) File "/usr/lib/python3/dist-packages/diffoscope/comparators/utils/file.py", line 453, in compare difference = self._compare_using_details(other, source) File "/usr/lib/python3/dist-packages/diffoscope/comparators/utils/file.py", line 401, in _compare_using_details other.as_container, no_recurse=no_recurse File "/usr/lib/python3/dist-packages/diffoscope/comparators/utils/container.py", line 195, in compare_pair file1, file2, source=None, diff_content_only=no_recurse File "/usr/lib/python3/dist-packages/diffoscope/comparators/utils/compare.py", line 128, in compare_files return file1.compare(file2, source) File "/usr/lib/python3/dist-packages/diffoscope/comparators/utils/file.py", line 453, in compare difference = self._compare_using_details(other, source) File "/usr/lib/python3/dist-packages/diffoscope/comparators/utils/file.py", line 371, in _compare_using_details details.extend(self.compare_details(other, source)) File "/usr/lib/python3/dist-packages/diffoscope/comparators/elf.py", line 629, in compare_details return _compare_elf_data(self.path, other.path) File "/usr/lib/python3/dist-packages/diffoscope/comparators/elf.py", line 271, in _compare_elf_data for x in list(READELF_COMMANDS) + READELF_DEBUG_DUMP_COMMANDS File "/usr/lib/python3/dist-packages/diffoscope/comparators/elf.py", line 271, in <listcomp> for x in list(READELF_COMMANDS) + READELF_DEBUG_DUMP_COMMANDS File "/usr/lib/python3/dist-packages/diffoscope/difference.py", line 256, in from_command klass, path1, path2, *args, **kwargs File "/usr/lib/python3/dist-packages/diffoscope/difference.py", line 288, in from_command_exc feeder1, feeder2, path1, path2, *args, **kwargs File "/usr/lib/python3/dist-packages/diffoscope/difference.py", line 213, in from_feeder unified_diff = diff(feeder1, feeder2) File "/usr/lib/python3/dist-packages/diffoscope/diff.py", line 330, in diff return run_diff(fifo1_path, fifo2_path, fifo1.end_nl_q, fifo2.end_nl_q) File "/usr/lib/python3/dist-packages/diffoscope/tools.py", line 100, in tool_check return fn(*args, **kwargs) File "/usr/lib/python3/dist-packages/diffoscope/diff.py", line 179, in run_diff p = subprocess.run(cmd, stdout=subprocess.PIPE, stderr=subprocess.STDOUT) File "/usr/lib/python3.7/subprocess.py", line 472, in run with Popen(*popenargs, **kwargs) as process: File "/usr/lib/python3.7/subprocess.py", line 775, in __init__ restore_signals, start_new_session) File "/usr/lib/python3.7/subprocess.py", line 1453, in _execute_child restore_signals, start_new_session, preexec_fn) OSError: [Errno 12] Cannot allocate memory -- System Information: Debian Release: 10.3 APT prefers stable APT policy: (990, 'stable'), (500, 'stable-updates'), (500, 'stable-debug'), (1, 'unstable') Architecture: amd64 (x86_64) Kernel: Linux 4.19.0-8-amd64 (SMP w/4 CPU cores) Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8), LANGUAGE=en_GB:en (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Init: systemd (via /run/systemd/system) LSM: AppArmor: enabled Versions of packages diffoscope depends on: ii libpython3.5-stdlib 3.5.3-1+deb9u1 ii python3 3.7.3-1 ii python3-distro 1.3.0-1 ii python3-distutils 3.7.3-1 ii python3-libarchive-c 2.8-0.3 ii python3-magic 2:0.4.15-2 ii python3-pkg-resources 40.8.0-1 Versions of packages diffoscope recommends: ii abootimg 0.6-1+b2 ii acl 2.2.53-4 ii apktool 2.3.4-1 ii binutils-multiarch 2.31.1-16 ii bzip2 1.0.6-9.2~deb10u1 pn caca-utils <none> ii colord 1.4.3-4 ii db-util 5.3.1+nmu1 pn default-jdk-headless | default-jdk | java-sdk <none> ii device-tree-compiler 1.4.7-3 ii docx2txt 1.4-1 ii e2fsprogs 1.44.5-1+deb10u3 pn enjarify <none> ii ffmpeg 7:4.1.4-1~deb10u1 ii fontforge-extras 0.3-4 pn fp-utils <none> ii genisoimage 9:1.1.11-3+b2 ii gettext 0.19.8.1-9 ii ghc 8.4.4+dfsg1-3 ii ghostscript 9.27~dfsg-2+deb10u3 ii giflib-tools 5.1.4-3 ii gnumeric 1.12.44-1 ii gnupg 2.2.12-1+deb10u1 ii gnupg-utils 2.2.12-1+deb10u1 pn hdf5-tools <none> ii imagemagick 8:6.9.10.23+dfsg-2.1 ii imagemagick-6.q16 [imagemagick] 8:6.9.10.23+dfsg-2.1 ii jsbeautifier 1.6.4-7 ii libarchive-tools 3.3.3-4+deb10u1 ii llvm 1:7.0-47 ii lz4 [liblz4-tool] 1.8.3-1 ii mono-utils 5.18.0.240+dfsg-3 ii ocaml-nox 4.05.0-11 ii odt2txt 0.5-1+b2 ii oggvideotools 0.9.1-5 ii openssh-client 1:7.9p1-10+deb10u2 ii pgpdump 0.33-1 ii poppler-utils 0.71.0-5 ii procyon-decompiler 0.5.32-5 ii python3-argcomplete 1.8.1-1 ii python3-binwalk 2.1.2~git20180830+dfsg1-1 ii python3-debian 0.1.35 ii python3-defusedxml 0.5.0-2 pn python3-guestfs <none> ii python3-jsondiff 1.1.1-2 pn python3-pdfminer <none> ii python3-progressbar 2.5-1 ii python3-pypdf2 1.26.0-2 ii python3-pyxattr 0.6.1-1 ii python3-tlsh 3.4.4+20151206-1.1 ii r-base-core 3.5.2-1 ii rpm2cpio 4.14.2.1+dfsg1-1 ii sng 1.1.0-1+b1 ii sqlite3 3.27.2-3 ii squashfs-tools 1:4.3-12 ii tcpdump 4.9.3-1~deb10u1 ii unzip 6.0-23+deb10u1 ii vim-common 2:8.1.0875-5 pn wabt <none> ii xmlbeans 3.0.2-1 ii xxd 2:8.1.0875-5 ii xz-utils 5.2.4-1 ii zip 3.0-11+b1 pn zstd <none> Versions of packages diffoscope suggests: ii libjs-jquery 3.3.1~dfsg-3 -- no debconf information