Path: csiph.com!xmission!news.snarked.org!news.linkpendium.com!news.linkpendium.com!panix!usenet.stanford.edu!not-for-mail From: Jeffrey Walton Newsgroups: gnu.bash.bug Subject: Segfault in Bash Date: Tue, 14 Jul 2020 06:32:44 -0400 Lines: 27 Approved: bug-bash@gnu.org Message-ID: References: Reply-To: noloader@gmail.com NNTP-Posting-Host: lists.gnu.org Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" X-Trace: usenet.stanford.edu 1594722780 3129 209.51.188.17 (14 Jul 2020 10:33:00 GMT) X-Complaints-To: action@cs.stanford.edu To: bug-bash@gnu.org Envelope-to: bug-bash@gnu.org DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:reply-to:from:date:message-id:subject:to; bh=fJYT7FsSmwkxC/ji3/cJsxkVPy791BDrsqLn8zqtkG0=; b=vN3gzp+k3Mvvr2EmVRU/8zTXK6PW/5ibdbhlTlb/ND1GvBz0xWCsEqUSRf8zbhwe7A 8jlNDFmCJCHQrksZfKBU0kkkkzHiJpPjrIfaAJHZF3QDQJVIIIFKNiL8Qty9n+H7dZKf HU+e8iIwuPMhvc8h7O0ZwRvGP39QiFYa5AMn6tL/50u3u3i+3cF5bqhxWw1UGwDWxBLi tL1HT0/QR5UTwIH28P3frg/tbJ4rCjfoOrY9dkl0rVwGVbkwTk9gWxUW431OSU5LHQ80 t1oZ1r0Z84zzqTeOmqunBIBXgHARcpT5ExPZMUZ4PPvtszH4KW3ZVcQWYOjA08PN4YHx ODwA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:reply-to:from:date:message-id :subject:to; bh=fJYT7FsSmwkxC/ji3/cJsxkVPy791BDrsqLn8zqtkG0=; b=BOZK1mErqzdDEuOGy+w76fTsQksh4OTa9/0Z2cKKXFx/SFX2a+yfUzhb0dg7FfhLFv Ze+SVrfw0MiuJp6ifrTHriVftqug+dP/LBRaBCY258OCSUA4nfdjDk7JfeGouuOomhKM bbVxuPqc9+dX3owRMd/TQkPYGxbJ0uzpDHJRPMuhOVPhhObiRILSqW5dgcZjGBq8Ufy8 brwpOqkMTQw86iOT8DfPPklduu0za9em2pEsOI1qHRRPgF4LZYBsFmfUrur8zgsyH1XF TjHgy7TN1ICJ7lTeP3RX6ulD1QxCR7XaumnL+fI5Q/hHarPr6zcS9Su4bNyq9rhIC7qo RlTA== X-Gm-Message-State: AOAM530ZIBwK4KgSgFxfT1lFGu3oBjYjWrC0uy+2lS16wlvbdoK9UNtu B9GYe2alXgBHGUwrIJ5skiVlyzfhBV27Z3rI5UglXpUT X-Google-Smtp-Source: ABdhPJyKyFSL16ocpKnXj6TwOB1NmufH6UgLM2OXUsO8tXrQ7/X2S0O3x8nL7f2fmqHHd1/w1XCZUr8V33XqxriCeSc= X-Received: by 2002:a92:8b11:: with SMTP id i17mr4094653ild.212.1594722775528; Tue, 14 Jul 2020 03:32:55 -0700 (PDT) Received-SPF: pass client-ip=2607:f8b0:4864:20::131; envelope-from=noloader@gmail.com; helo=mail-il1-x131.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: bug-bash@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Bug reports for the GNU Bourne Again SHell List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Mailman-Original-Message-ID: Xref: csiph.com gnu.bash.bug:16565 Hi Everyone, I'm working on a script to find all shared objects in a directory. A filename should match the RE '*.so$'. I thought I would pipe it to grep: $ ./audit-libs.sh /home/jwalton/tmp/ok2delete/lib ./audit-libs.sh: line 17: 22929 Segmentation fault (core dumped) $(echo "$file" | grep -E "*.so$") ./audit-libs.sh: line 17: 22934 Segmentation fault (core dumped) $(echo "$file" | grep -E "*.so$") ./audit-libs.sh: line 17: 22939 Segmentation fault (core dumped) $(echo "$file" | grep -E "*.so$") ... My code is broken at the moment. I know I am the cause of Bash's crash. But I feel like Bash should not segfault. IFS="" find "$dir" -name '*.so' -print | while read -r file do if ! $(echo "$file" | grep -E "*.so$"); then continue; fi echo "library: $file" done Are you guys interested in the segfault?