Package: diffoscope Version: 51 Severity: normal I found a way to crash diffoscope with broken symlinks:
pabs@chianamo ~ $ mkdir foo bar pabs@chianamo ~ $ touch foo/baz pabs@chianamo ~ $ ln -s asdasfahguwbagpiuasbdifgsabdf bar/baz pabs@chianamo ~ $ diffoscope foo bar Traceback (most recent call last): File "/usr/lib/python3/dist-packages/diffoscope/__main__.py", line 177, in main sys.exit(run_diffoscope(parsed_args)) File "/usr/lib/python3/dist-packages/diffoscope/__main__.py", line 148, in run_diffoscope parsed_args.file1, parsed_args.file2) File "/usr/lib/python3/dist-packages/diffoscope/comparators/__init__.py", line 92, in compare_root_paths return compare_directories(path1, path2) File "/usr/lib/python3/dist-packages/diffoscope/comparators/directory.py", line 104, in compare_directories return FilesystemDirectory(path1).compare(FilesystemDirectory(path2)) File "/usr/lib/python3/dist-packages/diffoscope/comparators/directory.py", line 157, in compare my_file, other_file, source=name) File "/usr/lib/python3/dist-packages/diffoscope/comparators/__init__.py", line 102, in compare_files if file1.has_same_content_as(file2): File "/usr/lib/python3/dist-packages/diffoscope/__init__.py", line 143, in tool_check return original_function(*args, **kwargs) File "/usr/lib/python3/dist-packages/diffoscope/comparators/binary.py", line 186, in has_same_content_as other_size = os.path.getsize(other.path) File "/usr/lib/python3.5/genericpath.py", line 50, in getsize return os.stat(filename).st_size FileNotFoundError: [Errno 2] No such file or directory: 'bar/baz' -- System Information: Debian Release: stretch/sid APT prefers testing APT policy: (900, 'testing'), (860, 'testing-proposed-updates'), (850, 'buildd-testing-proposed-updates'), (800, 'unstable'), (790, 'buildd-unstable'), (700, 'experimental'), (690, 'buildd-experimental'), (500, 'unstable-debug'), (1, 'experimental-debug') Architecture: amd64 (x86_64) Kernel: Linux 4.4.0-1-amd64 (SMP w/4 CPU cores) Locale: LANG=en_AU.utf8, LC_CTYPE=en_AU.utf8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Init: systemd (via /run/systemd/system) Versions of packages diffoscope depends on: ii python3-libarchive-c 2.1-3 ii python3-magic 1:5.25-2 ii python3-pkg-resources 18.8-1 pn python3:any <none> Versions of packages diffoscope recommends: ii acl 2.2.52-3 ii binutils-multiarch 2.26-5 ii bzip2 1.0.6-8 ii caca-utils 0.99.beta19-2+b1 ii colord 1.2.12-1 ii cpio 2.11+dfsg-5 pn default-jdk | java-sdk <none> ii enjarify 20151118-1 ii fontforge-extras 0.3-4 pn fp-utils <none> ii genisoimage 9:1.1.11-3 ii gettext 0.19.7-2 ii ghc 7.10.3-7 ii ghostscript 9.18~dfsg-4 ii gnupg 1.4.20-4 pn mono-utils <none> ii pdftk 2.02-3 ii poppler-utils 0.38.0-2 ii python3-debian 0.1.27 pn python3-guestfs <none> ii python3-rpm 4.12.0.1+dfsg1-3+b2 ii python3-tlsh 3.4.4+20151206-1+b1 ii rpm2cpio 4.12.0.1+dfsg1-3+b2 ii sng 1.1.0-1 ii sqlite3 3.11.1-1 ii squashfs-tools 1:4.3-3 ii unzip 6.0-20 ii vim-common 2:7.4.963-1+b2 ii xz-utils 5.1.1alpha+20120614-2.1 Versions of packages diffoscope suggests: ii libjs-jquery 1.11.3+dfsg-4 -- no debconf information -- bye, pabs https://wiki.debian.org/PaulWise
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