diff options
Diffstat (limited to 'dev-util/muon/files/muon-0.1.0-fix-potential-overflow.patch')
-rw-r--r-- | dev-util/muon/files/muon-0.1.0-fix-potential-overflow.patch | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/dev-util/muon/files/muon-0.1.0-fix-potential-overflow.patch b/dev-util/muon/files/muon-0.1.0-fix-potential-overflow.patch new file mode 100644 index 000000000000..fc33cb98f611 --- /dev/null +++ b/dev-util/muon/files/muon-0.1.0-fix-potential-overflow.patch @@ -0,0 +1,39 @@ +From 44daee7db0e6cc32f67ad2e944e7e68d73d3acc4 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Arsen=20Arsenovi=C4=87?= <arsen@aarsen.me> +Date: Sun, 20 Nov 2022 22:23:33 +0100 +Subject: [PATCH] build_target: Fix possible out-of-bounds edge case + +Detected on Tinderbox with FORTIFY_SOURCE=3. + +Bug: https://bugs.gentoo.org/882295 +--- + src/functions/kernel/build_target.c | 6 +----- + 1 file changed, 1 insertion(+), 5 deletions(-) + +diff --git a/src/functions/kernel/build_target.c b/src/functions/kernel/build_target.c +index 07b20e29..2ecc27c4 100644 +--- a/src/functions/kernel/build_target.c ++++ b/src/functions/kernel/build_target.c +@@ -307,7 +307,6 @@ determine_target_build_name(struct workspace *wk, struct obj_build_target *tgt, + obj name_pre, obj name_suff, char plain_name[BUF_SIZE_2k]) + { + const char *pref, *suff, *ver_suff = NULL; +- uint32_t i; + + switch (tgt->type) { + case tgt_executable: +@@ -341,10 +340,7 @@ determine_target_build_name(struct workspace *wk, struct obj_build_target *tgt, + suff = get_cstr(wk, name_suff); + } + +- i = snprintf(plain_name, BUF_SIZE_2k, "%s%s", pref, get_cstr(wk, tgt->name)); +- if (suff) { +- snprintf(&plain_name[i], BUF_SIZE_2k, ".%s", suff); +- } ++ snprintf(plain_name, BUF_SIZE_2k, "%s%s%s%s", pref, get_cstr(wk, tgt->name), suff ? "." : "", suff ? suff : ""); + + tgt->build_name = make_strf(wk, "%s%s%s", plain_name, ver_suff ? "." : "", ver_suff ? ver_suff : ""); + return true; +-- +2.34.5 + |