{"id":2230121,"url":"http://patchwork.ozlabs.org/api/1.1/patches/2230121/?format=json","web_url":"http://patchwork.ozlabs.org/project/buildroot/patch/20260429093615.3993498-3-kanak.shilledar@axis.com/","project":{"id":27,"url":"http://patchwork.ozlabs.org/api/1.1/projects/27/?format=json","name":"Buildroot development","link_name":"buildroot","list_id":"buildroot.buildroot.org","list_email":"buildroot@buildroot.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20260429093615.3993498-3-kanak.shilledar@axis.com>","date":"2026-04-29T09:36:15","name":"[v3,1/1] support: kconfig: Fix compiler warnings","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"5ee7f6a7b01c492db61b1da96baf71b62141c543","submitter":{"id":93250,"url":"http://patchwork.ozlabs.org/api/1.1/people/93250/?format=json","name":"Kanak Shilledar","email":"kanak.shilledar@axis.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/buildroot/patch/20260429093615.3993498-3-kanak.shilledar@axis.com/mbox/","series":[{"id":502026,"url":"http://patchwork.ozlabs.org/api/1.1/series/502026/?format=json","web_url":"http://patchwork.ozlabs.org/project/buildroot/list/?series=502026","date":"2026-04-29T09:36:14","name":"support: kconfig: Fix compiler warnings","version":3,"mbox":"http://patchwork.ozlabs.org/series/502026/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2230121/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2230121/checks/","tags":{},"headers":{"Return-Path":"","X-Original-To":["incoming-buildroot@patchwork.ozlabs.org","buildroot@buildroot.org"],"Delivered-To":["patchwork-incoming-buildroot@legolas.ozlabs.org","buildroot@buildroot.org"],"Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=buildroot.org header.i=@buildroot.org\n header.a=rsa-sha256 header.s=default header.b=aw44op9t;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=buildroot.org\n (client-ip=2605:bc80:3010::138; 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charset=\"utf-8\"","Content-Transfer-Encoding":"base64","Errors-To":"buildroot-bounces@buildroot.org","Sender":"\"buildroot\" "},"content":"Add a new patch to fix the compiler warning given on Ubuntu 24.04.4 in\n`util.c` warning of `-Wformat-overflow=`.\n\n```\n./util.c: In function ‘file_write_dep’:\n./util.c:86:26: warning: ‘%s’ directive writing 10 or more bytes into a region of size between 1 and 4097 [-Wformat-overflow=]\n 86 | sprintf(buf2, \"%s%s\", dir, name);\n | ^~\n./util.c:86:9: note: ‘sprintf’ output 11 or more bytes (assuming 4107) into a destination of size 4097\n 86 | sprintf(buf2, \"%s%s\", dir, name);\n | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n```\n\nUpdate `buf2` to `PATH_MAX+20` similar to `buf`, thus giving enough\nheadroom for the filename suffix.\n\n--\nChanges in v3:\n* Updated the commit message\n* Generated the patch using `git format-patch`, and added to the\n `series`.\n\n--\nChanges in v2:\n* Changed from direct file fix to patch based fix.\n\nSigned-off-by: Kanak Shilledar \n---\n ...upport-kconfig-Fix-compiler-warnings.patch | 45 +++++++++++++++++++\n support/kconfig/patches/series | 1 +\n 2 files changed, 46 insertions(+)\n create mode 100644 support/kconfig/patches/24-support-kconfig-Fix-compiler-warnings.patch","diff":"diff --git a/support/kconfig/patches/24-support-kconfig-Fix-compiler-warnings.patch b/support/kconfig/patches/24-support-kconfig-Fix-compiler-warnings.patch\nnew file mode 100644\nindex 0000000000..4c76274123\n--- /dev/null\n+++ b/support/kconfig/patches/24-support-kconfig-Fix-compiler-warnings.patch\n@@ -0,0 +1,45 @@\n+From 392624743e7166a056474cd83b18743409d2556c Mon Sep 17 00:00:00 2001\n+From: Kanak Shilledar \n+Date: Fri, 24 Apr 2026 13:32:36 +0200\n+Subject: [PATCH] support: kconfig: Fix compiler warnings\n+MIME-Version: 1.0\n+Content-Type: text/plain; charset=UTF-8\n+Content-Transfer-Encoding: 8bit\n+\n+On Ubuntu 24.04.4, the compiler gives the warning of\n+`-Wformat-overflow=`.\n+\n+```\n+./util.c: In function ‘file_write_dep’:\n+./util.c:86:26: warning: ‘%s’ directive writing 10 or more bytes into a region of size between 1 and 4097 [-Wformat-overflow=]\n+ 86 | sprintf(buf2, \"%s%s\", dir, name);\n+ | ^~\n+./util.c:86:9: note: ‘sprintf’ output 11 or more bytes (assuming 4107) into a destination of size 4097\n+ 86 | sprintf(buf2, \"%s%s\", dir, name);\n+ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n+```\n+\n+Update `buf2` to `PATH_MAX+20` similar to `buf`, thus giving enough\n+headroom for the filename suffix.\n+\n+Signed-off-by: Kanak Shilledar \n+---\n+ support/kconfig/util.c | 2 +-\n+ 1 file changed, 1 insertion(+), 1 deletion(-)\n+\n+diff --git a/support/kconfig/util.c b/support/kconfig/util.c\n+index 8665f5bb89..c2e7979ac1 100644\n+--- a/support/kconfig/util.c\n++++ b/support/kconfig/util.c\n+@@ -35,7 +35,7 @@ struct file *file_lookup(const char *name)\n+ int file_write_dep(const char *name)\n+ {\n+ \tchar *str;\n+-\tchar buf[PATH_MAX+20], buf2[PATH_MAX+1], dir[PATH_MAX+1];\n++\tchar buf[PATH_MAX+20], buf2[PATH_MAX+20], dir[PATH_MAX+1];\n+ \tstruct symbol *sym, *env_sym;\n+ \tstruct expr *e;\n+ \tstruct file *file;\n+-- \n+2.43.0\n+\ndiff --git a/support/kconfig/patches/series b/support/kconfig/patches/series\nindex cc176035be..ca2193e734 100644\n--- a/support/kconfig/patches/series\n+++ b/support/kconfig/patches/series\n@@ -12,3 +12,4 @@\n 21-Avoid-false-positive-matches-from-comment-lines.patch\n 22-kconfig-lxdialog-fix-check-with-GCC14.patch\n 23-kconfig-mn-conf-handle-backspace-H-key.patch\n+24-support-kconfig-Fix-compiler-warnings.patch\n","prefixes":["v3","1/1"]}