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Fri, 16 Oct 2026 08:47:42 -0400 DKIM-Filter: OpenDKIM Filter v2.11.0 smtp.polymtl.ca 69GClcdi190315 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=polymtl.ca; s=oct2025; t=1792154864; bh=4R+t33XqjFcWjpnPcUtP0DoYqMRy4VgRBXzrRQIRGHU=; h=Date:Subject:To:Cc:From:In-Reply-To:From; b=KWmndvn6B1wCttoqXrC/GDLR3njilgcBg3v+8ho9Zb01kPjGzG044W7BPtKoZ8OGD hROUxy4/f4vGJmCooCn95ybrw5XKG7eng2I8P/1Qqt5/D/TPPIrPNYMNhV1+nC9xF+ 7+IPcO9d0JNNewfH9DSce4spxg6BG3u3A2VjSeETb2kWqo+RnjThJ2+dokdU0nZmUH x0ntCB5WVHkstA3ZLziyg/GipkcjQfyYsEA8qbaA89RbJl1ApAq2NvCYdfJ4w7VDkP 2Yz/0u99UtBr4EiB1p08WBI8malQca8PfPQXvlZqaZvUeulGa1WCdbeC6u4evXQdPC JCnNUj/7UfNkQ== Received: by simark.ca (Postfix) id DD9C61E04E; Fri, 16 Oct 2026 08:47:36 -0400 (EDT) Message-ID: <36afddc4-a342-4bf1-94d6-8735f43280cc@polymtl.ca> Date: Fri, 16 Oct 2026 08:47:36 -0400 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] Fix crash when target-wide-charset doesn't match wchar_t size To: Aditya Vidyadhar Kamath , ulrich.weigand@de.ibm.com, tom@tromey.com Cc: gdb-patches@sourceware.org, Aditya.Kamath1@ibm.com, sangamesh.swamy@in.ibm.com References: <20261016120502.88374-2-akamath996@gmail.com> Content-Language: fr From: Simon Marchi In-Reply-To: <20261016120502.88374-2-akamath996@gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Poly-FromMTA: (simark.ca [158.69.221.121]) at Fri, 16 Oct 2026 12:47:38 +0000 X-BeenThere: gdb-patches@sourceware.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Gdb-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: gdb-patches-bounces~public-inbox=simark.ca@sourceware.org On 10/16/26 8:05 AM, Aditya Vidyadhar Kamath wrote: > From: Aditya Vidyadhar Kamath > > Tom asked a question [1] which is valid: can setting > target-wide-charset to an encoding with the wrong unit size crash GDB? > > First I compiled gdb/testsuite/gdb.base/wchar.c > > gcc -g -maix64 -o /tmp/wchar64 gdb/testsuite/gdb.base/wchar.c > > Then debug with GDB and we get the crash > > (gdb) b wchar.c:44 > (gdb) run > (gdb) set target-wide-charset UTF-16 > (gdb) print single > > Fatal signal: Segmentation fault > ----- Backtrace ----- Can you provide the full backtrace where the crash happens? Simon