From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Paul Eggert Newsgroups: gmane.emacs.bugs Subject: bug#53136: 28.0.90; segfault in lock_file Date: Wed, 12 Jan 2022 11:22:16 -0800 Organization: UCLA Computer Science Department Message-ID: <26806973-65bb-c80d-3297-afbc19e911de@cs.ucla.edu> References: <871r1hv40o.fsf.ref@yahoo.com> <871r1hv40o.fsf@yahoo.com> <83bl0l2we3.fsf@gnu.org> <87r19htjlp.fsf@yahoo.com> <838rvp2tcw.fsf@gnu.org> <875yqtt9qk.fsf@yahoo.com> <8335lxazg6.fsf@gnu.org> <37cd3017-38cb-fa2c-7b52-fbeb3b085744@cs.ucla.edu> <8735lvp01e.fsf@yahoo.com> <87czkznktd.fsf@yahoo.com> <87y23lwt62.fsf@yahoo.com> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="------------6at4gP8WN05myeuTMQOtDYOc" Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="33029"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.3.1 Cc: 53136@debbugs.gnu.org To: Po Lu Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Wed Jan 12 20:23:20 2022 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1n7jDM-0008M1-6j for geb-bug-gnu-emacs@m.gmane-mx.org; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 1/11/22 19:04, Po Lu wrote: > (lock-file "~/any/nonexistent/file/with/a/very/long/path") Unfortunately I'm still not reproducing the problem on Fedora 35 x86-64. Here's how I tried to reproduce it, while in the src directory: valgrind --suppressions=valgrind.supp ./emacs -Q -batch -eval ' (let ((f "/d")) (dotimes (i 13) (setq f (concat f f))) (lock-file f)) ' I configured Emacs this way: ./configure --enable-checking (in general this is needed if you want to use Valgrind), and used the attached valgrind.supp. --------------6at4gP8WN05myeuTMQOtDYOc Content-Type: text/plain; charset=UTF-8; name="valgrind.supp" Content-Disposition: attachment; filename="valgrind.supp" Content-Transfer-Encoding: base64 IyB2YWxncmluZCBzdXBwcmVzc2lvbiBmaWxlCiMgVXNhZ2U6CiMgICAgdmFsZ3JpbmQgLS1z dXBwcmVzc2lvbnM9dmFsZ3JpbmQuc3VwcCAuL3RlbWFjcwoKIyBDb25zZXJ2YXRpdmUgZ2Fy YmFnZSBjb2xsZWN0aW9uIGluaGVyZW50bHkgbG9va3MgYXQgdW5pbml0aWFsaXplZCB2YWx1 ZXMsCiMgYW5kIGdhcmJhZ2VfY29sbGVjdCBhbmQgaXRzIGNhbGxlZXMgYWxsIGRlcGVuZCBv biB0aGlzLgojIEl0J3MgaGFyZCB0byBzZXBhcmF0ZSBvdXQgZXhhY3RseSB3aGljaCBjYWxs ZWVzIG5lZWQgdG8gYmUgbGlzdGVkIGhlcmUsCiMgc2luY2UgdGhlIEMgY29tcGlsZXIgY2Fu IGlubGluZSB0aGVtLiAgQWxzbywgdmFsZ3JpbmQgZG9lc24ndCBjYXJlCiMgYWJvdXQgdGhl IHVzZSBvZiB1bmluaXRpYWxpemVkIHZhcmlhYmxlcyBkaXJlY3RseSwgb25seSB3aGVuIHRo ZWlyIHZhbHVlcwojIGFyZSBldmVudHVhbGx5IHVzZWQuICBTbyBqdXN0IGxpc3QgZ2FyYmFn ZV9jb2xsZWN0IGFuZCBpdHMgY2FsbGVlcy4KewogICBnYXJiYWdlX2NvbGxlY3QgQ29uZCAt IGNvbnNlcnZhdGl2ZSBnYXJiYWdlIGNvbGxlY3Rpb24KICAgTWVtY2hlY2s6Q29uZAogICAu Li4KICAgZnVuOmdhcmJhZ2VfY29sbGVjdAp9CnsKICAgZ2FyYmFnZV9jb2xsZWN0IFZhbHVl OCAtIGNvbnNlcnZhdGl2ZSBnYXJiYWdlIGNvbGxlY3Rpb24KICAgTWVtY2hlY2s6VmFsdWU4 CiAgIC4uLgogICBmdW46Z2FyYmFnZV9jb2xsZWN0Cn0KIyB2YWxncmluZCBvbmx5IGxvb2tz IGF0IHRoZSBsYXN0IGZldyBjYWxsZWVzIG9uIHRoZSBzdGFjaywgYnV0CiMgbWFya19vYmpl Y3QgY2FuIGNhbGwgaXRzZWxmIHJlY3Vyc2l2ZWx5IGFuZCBkZWVwbHkuICBTbyBsaXN0CiMg aXQgdG9vLCBpbiBjYXNlIGdhcmJhZ2VfY29sbGVjdCBpcyBhIGxvbmcgd2F5IGZyb20gdGhl IHN0YWNrIHRvcC4KewogICBtYXJrX29iamVjdCBDb25kIC0gY29uc2VydmF0aXZlIGdhcmJh Z2UgY29sbGVjdGlvbgogICBNZW1jaGVjazpDb25kCiAgIC4uLgogICBmdW46bWFya19vYmpl Y3QKfQp7CiAgIG1hcmtfb2JqZWN0IFZhbHVlOCAtIGNvbnNlcnZhdGl2ZSBnYXJiYWdlIGNv bGxlY3Rpb24KICAgTWVtY2hlY2s6VmFsdWU4CiAgIC4uLgogICBmdW46bWFya19vYmplY3QK fQojIHZhbGdyaW5kIGdldHMgY29uZnVzZWQgYWJvdXQgbWFya19zdGFjayBhbmQgbG9zZXMg aXRzIGNhbGxlcgp7CiAgIG1hcmtfc3RhY2sgVmFsdWU4IC0gY29uc2VydmF0aXZlIGdhcmJh Z2UgY29sbGVjdGlvbgogICBNZW1jaGVjazpWYWx1ZTgKICAgLi4uCiAgIGZ1bjptYXJrX3N0 YWNrCn0KCiMgT24gYSBjaXJjYS0yMDE3IHg4Ni02NCBHTlUvTGludXggcGxhdGZvcm0sIG1l bW1vdmUgZmFsc2VseSB3YXJucwojIGFib3V0IG92ZXJsYXBwaW5nIG1vdmVzLgp7CiAgIG1l bW1vdmUgZmFsc2UgYWxhcm0gYWJvdXQgb3ZlcmxhcAogICBNZW1jaGVjazpPdmVybGFwCiAg IC4uLgogICBmdW46bWVtbW92ZQp9CgojIE9uIG9uZSBjaXJjYS0yMDExIHg4Ni02NCBHTlUv TGludXggcGxhdGZvcm0sIHN0cmxlbiBpcyBpbmxpbmVkIHRvCiMgc29tZXRoaW5nIHRoYXQg bG9hZHMgNCBieXRlcyBhdCBhIHRpbWUuCiN7CiMgICBpbml0X2J1ZmZlciBvcHRpbWl6ZWQg c3RybGVuCiMgICBNZW1jaGVjazpBZGRyNAojICAgZnVuOmluaXRfYnVmZmVyCiN9Cg== --------------6at4gP8WN05myeuTMQOtDYOc--