Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1wts1u-000JYL-2v for pgsql-hackers@arkaria.postgresql.org; Tue, 11 Aug 2026 19:20:55 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.96) (envelope-from ) id 1wts1s-003nIL-0I for pgsql-hackers@arkaria.postgresql.org; Tue, 11 Aug 2026 19:20:53 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1wts1r-003nID-2C for pgsql-hackers@lists.postgresql.org; Tue, 11 Aug 2026 19:20:52 +0000 Received: from mail-qv1-xf35.google.com ([2607:f8b0:4864:20::f35]) by magus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.98.2) (envelope-from ) id 1wts1p-00000000ESY-3WDH for pgsql-hackers@lists.postgresql.org; Tue, 11 Aug 2026 19:20:52 +0000 Received: by mail-qv1-xf35.google.com with SMTP id 6a1803df08f44-8ee43b3e5abso297256d6.3 for ; Tue, 11 Aug 2026 12:20:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=j-davis-com.20251104.gappssmtp.com; s=20251104; t=1786476048; x=1787080848; darn=lists.postgresql.org; h=mime-version:user-agent:content-transfer-encoding:content-type :references:in-reply-to:date:cc:to:from:subject:message-id:from:to :cc:subject:date:message-id:reply-to:content-type; bh=lobTaoROGj5tMyKRIkTmexkODSKU3DAIFwGpi3qMor4=; b=FVYBoJ/lPpvGqYzk+0hrA+K1oLhTdecDVvIVgQG/oSsVya2T/TKCVqhQIF0DkP1QoN aNTs4ZiqcZp46HsKyy/hj607nZQJJBlZ+bssXEa8C00NO7DVFjaXK1yo0XflA7rRQxBa KDw35/0DMsxrEup/TldBNFmWFq0RlA4X2NiyD/CvOlNV70plTqMPivvZZ0sL/UgqYq3X UgD7vYIJuwzlZhKjQ63TZvXm0kXtVCyXmhW00klUjFAst3gk4hEPoacaX1e3MvY1fyam NFBrd9CC0vsvHSSye7P3vvqNHqUdvMWimLIFal/GElqkueqOFk/llgq75ARBznDBSHyh XZbQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1786476048; x=1787080848; h=mime-version:user-agent:content-transfer-encoding:content-type :references:in-reply-to:date:cc:to:from:subject:message-id:x-gm-gg :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to :content-type; bh=lobTaoROGj5tMyKRIkTmexkODSKU3DAIFwGpi3qMor4=; b=D5rwOq6q5s6wah/xG5J84RjLQc5HqUIRi6obdVqdVgkqRQ/dG2ralLPXPCBLIQAyAR J6hgZ6FMdypkaZdtecmyqanrZB9GRSoX30838nclcN1r5LW6nDaG8RgdgkdiqFYuo25z ifT6uiAc16SfADRo14V/YL5xhrk9i3F0XTCRg6JRI9GRN10t+uKFPXt9haXOLmE3gYxE 94Nx4pLDOoUZpf1dJ7uqKUzpIKViqLs/KcDULqIXNBeyM1KykE83eXq0fubdCKc2jRM4 HSC256pKrlwI0wnuTG+fxUsjQHvL8t7TE/Yn1z7P3RJ3WCZzVTPpNOPo3IKErJgao7f9 66gQ== X-Gm-Message-State: AOJu0YzhAfl8xBAuYCCFm/gnqrpzDUnJ5Ujh4LhvNDGs0aDuhtFTF6ZH okBUTWFWwqcYQQN0lBq79AKtSTZPMNhRNqmx1qXTGNij5pw7aBcooaS2/vIX3k1uwQ== X-Gm-Gg: AR+sD10qCkAunOghG5dBhGds3Dm0OmPW6pbqydkDxJh3UTImbpoHR5Sxe5P6wrPIY6r e7jIeeudadDEjocvqf6eT45UVn7rcvrPqVdYAY2PNOc+137scyEQNOKSIA908Ojdb+K35SaK7cF YlR2Md9Uiy3EgKiUUlwEDAqgvg1XnLaDtIOrpaLpDliOtFIgfuOZ13xX/hAK1uRlWyS7TBmwkoB BGQnlJX/YwL+hYDxgBW4z4jjfQR82L3LgWZUA+7r1JpJh4ufnkDUmKagY4Ajom7ybmsa/zZCC/z SJVCHmTNf69IaVPfTwkX65za8SVQytk8zPpRy0v9Nkga05VoQ7uPwW5v0cGTpPpA+OUo8JuI0oi shQzyynDymscdHMEJrd+8i/J+nJK8c3L/KGeJ2tDGGuUE4rEwz8I/g7GsZMU5SH56GfaUmaidEA yhEiyAMRyjnKySfSWUPzWI1a3IfxqAqorlm4/bWjkAGfEuJg50/m0f6rlLZA== X-Received: by 2002:a05:6214:d02:b0:8fd:7913:b345 with SMTP id 6a1803df08f44-90a6692fe08mr55499296d6.22.1786476048040; Tue, 11 Aug 2026 12:20:48 -0700 (PDT) Received: from [10.14.243.52] ([4.38.245.227]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-90a6c2a05f3sm5796496d6.18.2026.08.11.12.20.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 11 Aug 2026 12:20:46 -0700 (PDT) Message-ID: <2ee1c8bcd38e24cf9f823da150d8a83d938d2ea2.camel@j-davis.com> Subject: Re: Crash issue in PG18.5 regression From: Jeff Davis To: Heikki Linnakangas , =?ISO-8859-1?Q?=C1lvaro?= Herrera , "Masashi Kamura (Fujitsu)" Cc: "'pgsql-hackers@lists.postgresql.org'" Date: Tue, 11 Aug 2026 12:20:31 -0700 In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.52.3-0ubuntu1.1 MIME-Version: 1.0 List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk On Tue, 2026-08-11 at 12:19 +0300, Heikki Linnakangas wrote: > Interestingly this only fails on REL_18_STABLE. On REL_19_STABLE,=20 > pg_strupper() checks if locale->ctype is NULL, and does the > equivalent=20 > of asc_toupper() internally. Ugh. I should have backported 1476028225, sorry :-( Thank you for catching it quickly, Masashi! Regards, Jeff Davis