Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1mP7MF-0006ke-RD for pgsql-hackers@arkaria.postgresql.org; Sat, 11 Sep 2021 18:04:07 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.92) (envelope-from ) id 1mP7ME-0008KM-84 for pgsql-hackers@arkaria.postgresql.org; Sat, 11 Sep 2021 18:04:06 +0000 Received: from makus.postgresql.org ([2001:4800:3e1:1::229]) by malur.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1mP7MD-0008KE-S5 for pgsql-hackers@lists.postgresql.org; Sat, 11 Sep 2021 18:04:06 +0000 Received: from mail-qk1-x736.google.com ([2607:f8b0:4864:20::736]) by makus.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.92) (envelope-from ) id 1mP7MA-0000si-Ak for pgsql-hackers@postgresql.org; Sat, 11 Sep 2021 18:04:04 +0000 Received: by mail-qk1-x736.google.com with SMTP id bk29so5849696qkb.8 for ; Sat, 11 Sep 2021 11:04:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=systemguards-com-ec.20150623.gappssmtp.com; s=20150623; h=date:from:to:subject:message-id:mime-version:content-disposition :user-agent; bh=uLDRW/8jnWyS3tFiAI0IuY+thV4Y0/tUyp6mOlmekxI=; b=Z8IsL7sagd0ooUH8FfygJ4HAhtUViPtbgG/fbss1W7tuRvA3Ej2IhU+94T0m47ryl+ BbveRtnEcykHAMFyKtxM3IrYZdkJ774hkly0viugRMVyxjWwC1QCGZcUI8hM++1AhRBQ WtsyUMgk+ajxvizkx///Tft8zdsTmyIVZI+hGWfwH+hyCSaxAJV25sNH0UA+7E0WWh4A L9B3yJ393jmcDxq+sW67dVyqLaPuAa67otHPvBgT4znl/2c2gZOsLjcQ31LthKjN1XPd lBz6jcAQLVQcwJHvG8UzKDN01VVb+QY/X0iDFkiDzdIsaSqKY0T18YibashfdcQ0KwSg TN/Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:subject:message-id:mime-version :content-disposition:user-agent; bh=uLDRW/8jnWyS3tFiAI0IuY+thV4Y0/tUyp6mOlmekxI=; b=MQew8XXQqIar/xIvMctmqt70ng9L59IG4aU+eM7Tqa0+zfK2ulRYp+MUAMf86KHBt1 aoIp5pIdpMOwgzmIkbbzkN42VoK8UXVz5QL316CT/L8pEI+jT3bQzQMiUWVVbdkHjWmD V6j1y+LD3ey1nIHyq3+pc702hgcGTXJPgv2AcpqIPuxm30EsjJYxb/aoOsusHG9ACzJO LchplRir9D5X+0oyiFGJ0M0SnapupEJ1U5miKH9guzPeCARMRKyt58yAEQe3cfXSFNxl zfRmoowGOPO4ERGIfrA87tonunYsY1beJK2JekBRPer5eS3Cn2kG/i4T3aE8N6HSlR1L o7/Q== X-Gm-Message-State: AOAM533ncKraxobNxohm5akIQbYp6ubfNV7aci49d6OcsdtpxtDRl2by iKcr9g0teSzz999KX5S5sfxJ61gk6iOwFacE X-Google-Smtp-Source: ABdhPJzMbcsMDmphxw9LKdBN+r3GYfTyJVwXmIOguFRVuJzngCg/+SGlo3adtHNUgMHO/AwEqre9Fg== X-Received: by 2002:a05:620a:24c1:: with SMTP id m1mr2997864qkn.309.1631383441103; Sat, 11 Sep 2021 11:04:01 -0700 (PDT) Received: from ahch-to ([201.183.0.184]) by smtp.gmail.com with ESMTPSA id h20sm1371465qtr.81.2021.09.11.11.04.00 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 11 Sep 2021 11:04:00 -0700 (PDT) Date: Sat, 11 Sep 2021 13:03:57 -0500 From: Jaime Casanova To: pgsql-hackers@postgresql.org Subject: new regexp_*(text, text, int) functions crash Message-ID: <20210911180357.GA6870@ahch-to> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk Hi, BTW, this only happens when the third parameter is large. Here is an example that consistently crash here: select regexp_count('jaime.casanova', 'valid', 102481); -- Jaime Casanova Director de Servicios Profesionales SystemGuards - Consultores de PostgreSQL