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GET /api/patches/2217718/?format=api
{ "id": 2217718, "url": "http://patchwork.ozlabs.org/api/patches/2217718/?format=api", "web_url": "http://patchwork.ozlabs.org/project/gcc/patch/acpprj1mdjrVRWq-@fkdesktop.suse.cz/", "project": { "id": 17, "url": "http://patchwork.ozlabs.org/api/projects/17/?format=api", "name": "GNU Compiler Collection", "link_name": "gcc", "list_id": "gcc-patches.gcc.gnu.org", "list_email": "gcc-patches@gcc.gnu.org", "web_url": null, "scm_url": null, "webscm_url": null, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<acpprj1mdjrVRWq-@fkdesktop.suse.cz>", "list_archive_url": null, "date": "2026-03-30T12:16:46", "name": "[v2] toplev: Ask for 128MB stack when compiled with ASAN [PR124206]", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "f8dcba8242d65049cff783bf26058f1bea7c9c61", "submitter": { "id": 87068, "url": "http://patchwork.ozlabs.org/api/people/87068/?format=api", "name": "Filip Kastl", "email": "fkastl@suse.cz" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/gcc/patch/acpprj1mdjrVRWq-@fkdesktop.suse.cz/mbox/", "series": [ { "id": 498014, "url": "http://patchwork.ozlabs.org/api/series/498014/?format=api", "web_url": "http://patchwork.ozlabs.org/project/gcc/list/?series=498014", "date": "2026-03-30T12:16:46", "name": "[v2] toplev: Ask for 128MB stack when compiled with ASAN [PR124206]", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/498014/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2217718/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2217718/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<gcc-patches-bounces~incoming=patchwork.ozlabs.org@gcc.gnu.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "gcc-patches@gcc.gnu.org" ], "Delivered-To": [ "patchwork-incoming@legolas.ozlabs.org", "gcc-patches@gcc.gnu.org" ], "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=suse.cz header.i=@suse.cz header.a=rsa-sha256\n header.s=susede2_rsa header.b=M8iuI1Y6;\n\tdkim=pass header.d=suse.cz header.i=@suse.cz header.a=ed25519-sha256\n header.s=susede2_ed25519 header.b=4+STklAO;\n\tdkim=pass (1024-bit key) header.d=suse.cz header.i=@suse.cz\n header.a=rsa-sha256 header.s=susede2_rsa header.b=M8iuI1Y6;\n\tdkim=neutral header.d=suse.cz header.i=@suse.cz header.a=ed25519-sha256\n header.s=susede2_ed25519 header.b=4+STklAO;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=gcc.gnu.org\n (client-ip=2620:52:6:3111::32; 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a=ed25519-sha256; c=relaxed/relaxed; d=suse.cz;\n s=susede2_ed25519; t=1774873010;\n h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc:\n mime-version:mime-version:content-type:content-type:\n in-reply-to:in-reply-to:references:references;\n bh=+NS4L7WvhYpEkeJwIePkNdvhbvFY5+9OFGfjAc+wOss=;\n b=4+STklAOy1ldIfK3ZaNL0wibDc1Azd1dFVMEQWKLXjsgr3gMhRPuc7X3BSQ/g2OBXNrjD3\n S7EFn+54iF9NEqBg==" ], "Date": "Mon, 30 Mar 2026 14:16:46 +0200", "From": "Filip Kastl <fkastl@suse.cz>", "To": "gcc-patches@gcc.gnu.org", "Cc": "jakub@gcc.gnu.org, schwab@linux-m68k.org, rguenther@suse.de", "Subject": "[PATCH v2] toplev: Ask for 128MB stack when compiled with ASAN\n [PR124206]", "Message-ID": "<acpprj1mdjrVRWq-@fkdesktop.suse.cz>", "References": "<aa6WdTTznihFUcsC@fkdesktop.suse.cz>", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=utf-8", "Content-Disposition": "inline", "In-Reply-To": "<aa6WdTTznihFUcsC@fkdesktop.suse.cz>", "X-Spamd-Result": "default: False [-4.30 / 50.00]; BAYES_HAM(-3.00)[100.00%];\n NEURAL_HAM_LONG(-1.00)[-1.000];\n NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain];\n FUZZY_RATELIMITED(0.00)[rspamd.com];\n RCVD_VIA_SMTP_AUTH(0.00)[]; ARC_NA(0.00)[];\n MISSING_XM_UA(0.00)[]; MID_RHS_MATCH_FROMTLD(0.00)[];\n RCVD_TLS_ALL(0.00)[];\n DKIM_SIGNED(0.00)[suse.cz:s=susede2_rsa,suse.cz:s=susede2_ed25519];\n TO_MATCH_ENVRCPT_ALL(0.00)[]; FROM_HAS_DN(0.00)[];\n MIME_TRACE(0.00)[0:+]; FROM_EQ_ENVFROM(0.00)[];\n TO_DN_NONE(0.00)[]; RCVD_COUNT_TWO(0.00)[2];\n RCPT_COUNT_THREE(0.00)[4]", "X-BeenThere": "gcc-patches@gcc.gnu.org", "X-Mailman-Version": "2.1.30", "Precedence": "list", "List-Id": "Gcc-patches mailing list <gcc-patches.gcc.gnu.org>", "List-Unsubscribe": "<https://gcc.gnu.org/mailman/options/gcc-patches>,\n <mailto:gcc-patches-request@gcc.gnu.org?subject=unsubscribe>", "List-Archive": "<https://gcc.gnu.org/pipermail/gcc-patches/>", "List-Post": "<mailto:gcc-patches@gcc.gnu.org>", "List-Help": "<mailto:gcc-patches-request@gcc.gnu.org?subject=help>", "List-Subscribe": "<https://gcc.gnu.org/mailman/listinfo/gcc-patches>,\n <mailto:gcc-patches-request@gcc.gnu.org?subject=subscribe>", "Errors-To": "gcc-patches-bounces~incoming=patchwork.ozlabs.org@gcc.gnu.org" }, "content": "Hi.\n\nThis is the second version of this patch. In this version:\n- I've also modified gcc.cc instead of just toplev.cc (so both places in GCC's\n codebase where 'stack_limit_increase ()' gets called are now patched\n- I correctly request more memory when GCC *is* built with ASAN. I switched\n that around in v1.\n\nPlease also consider this to be a ping.\n\nBtw, if this isn't a stage 4 material, do tell me and I'll postpone pinging to\nstage 1 :).\n\nCheers,\nFilip Kastl\n\n-- 8< --\n\n\n64MB stack is not enough for running\ngcc/testsuite/gcc.c-torture/compile/limits-exprparen.c with an\nASAN-instrumented GCC. Ask for more stack if GCC was compiled with ASAN\ninstrumentation.\n\n\tPR sanitizer/124206\n\ngcc/ChangeLog:\n\n\t* gcc.cc (driver::global_initializations): Ask for 128MB stack\n\tinstead of just 64MB when __SANITIZE_ADDRESS__ is defined.\n\t* toplev.cc (toplev::main): Ditto.\n\nSigned-off-by: Filip Kastl <fkastl@suse.cz>\n---\n gcc/gcc.cc | 4 ++++\n gcc/toplev.cc | 4 ++++\n 2 files changed, 8 insertions(+)", "diff": "diff --git a/gcc/gcc.cc b/gcc/gcc.cc\nindex 43b0158ee02..d6a26ebcd18 100644\n--- a/gcc/gcc.cc\n+++ b/gcc/gcc.cc\n@@ -8423,7 +8423,11 @@ driver::global_initializations ()\n \n /* Parsing and gimplification sometimes need quite large stack.\n Increase stack size limits if possible. */\n+#ifdef __SANITIZE_ADDRESS__\n+ stack_limit_increase (128 * 1024 * 1024);\n+#else\n stack_limit_increase (64 * 1024 * 1024);\n+#endif\n \n /* Allocate the argument vector. */\n alloc_args ();\ndiff --git a/gcc/toplev.cc b/gcc/toplev.cc\nindex 682459220a2..26a2b582ed9 100644\n--- a/gcc/toplev.cc\n+++ b/gcc/toplev.cc\n@@ -2301,7 +2301,11 @@ toplev::main (int argc, char **argv)\n {\n /* Parsing and gimplification sometimes need quite large stack.\n Increase stack size limits if possible. */\n+#ifdef __SANITIZE_ADDRESS__\n+ stack_limit_increase (128 * 1024 * 1024);\n+#else\n stack_limit_increase (64 * 1024 * 1024);\n+#endif\n \n /* Stash a copy of the original argv before expansion\n for use by SARIF output. */\n", "prefixes": [ "v2" ] }