From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#55832: 28.1; Emacs crashes when using tramp from helm in emacs-29 Date: Wed, 08 Jun 2022 19:30:12 +0300 Message-ID: <83y1y73yp7.fsf@gnu.org> References: <837d5s78xs.fsf@gnu.org> <87a6aop93i.fsf@posteo.net> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="22112"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 55832@debbugs.gnu.org To: Thierry Volpiatto Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Wed Jun 08 18:34:13 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 1nyydJ-0005Z4-1W for geb-bug-gnu-emacs@m.gmane-mx.org; Wed, 08 Jun 2022 18:34:13 +0200 Original-Received: from localhost ([::1]:48060 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nyydH-00036e-Jy for geb-bug-gnu-emacs@m.gmane-mx.org; 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Original-Received: from [87.69.77.57] (port=1149 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nyyZV-0002ty-G7; Wed, 08 Jun 2022 12:30:17 -0400 In-Reply-To: <87a6aop93i.fsf@posteo.net> (message from Thierry Volpiatto on Tue, 07 Jun 2022 19:20:39 +0000) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:233981 Archived-At: > From: Thierry Volpiatto > Cc: 55832@debbugs.gnu.org > Date: Tue, 07 Jun 2022 19:20:39 +0000 > > Thread 1 "emacs" received signal SIGSEGV, Segmentation fault. > 0x0000555555837be7 in doprnt (buffer=0x7fffff6702c0 "", bufsize=4000, format=0x5555558af29a "Bytecode stack overflow", ap=0x7fffff670250, format_end=) at doprnt.c:186 > 186 doprnt (char *buffer, ptrdiff_t bufsize, const char *format, > (gdb) thread 1 > [Switching to thread 1 (Thread 0x7ffff07ce3c0 (LWP 226687))] > #0 0x0000555555837be7 in doprnt (buffer=0x7fffff6702c0 "", bufsize=4000, format=0x5555558af29a "Bytecode stack overflow", ap=0x7fffff670250, format_end=) at doprnt.c:186 > 186 doprnt (char *buffer, ptrdiff_t bufsize, const char *format, > (gdb) bt -full 5 > #0 0x0000555555837be7 in doprnt (buffer=0x7fffff6702c0 "", bufsize=4000, format=0x5555558af29a "Bytecode stack overflow", ap=0x7fffff670250, format_end=) at doprnt.c:186 > fmt = > bufptr = > tembuf = '\000' > size_allocated = > sprintf_buffer = > big_buffer = > quoting_style = > #1 0x0000555555838a57 in doprnt (ap=0x7fffff670250, format_end=0x0, format=0x5555558af29a "Bytecode stack overflow", bufsize=, buffer=) at doprnt.c:590 > modifier_len = "\000\001\001\001\001" > nbytes = > ap_copy = {{gp_offset = 8, fp_offset = 48, overflow_arg_area = 0x7fffff671380, reg_save_area = 0x7fffff6712c0}} > #2 evxprintf > (buf=buf@entry=0x7fffff6702b8, bufsize=bufsize@entry=0x7fffff6702b0, nonheapbuf=nonheapbuf@entry=0x7fffff6702c0 "", bufsize_max=bufsize_max@entry=2305843009213693952, format=0x5555558af29a "Bytecode stack overflow", ap=ap@entry=0x7fffff6712a0) at doprnt.c:590 > nbytes = > ap_copy = {{gp_offset = 8, fp_offset = 48, overflow_arg_area = 0x7fffff671380, reg_save_area = 0x7fffff6712c0}} Sounds like C stack overflow trying to print a too-long variable-arg list? Why else would a program segfault when calling a function?