diff options
Diffstat (limited to 'meta/recipes-kernel/systemtap/systemtap/0001-PR28778-gcc-warning-tweak-for-sprintf-precision-para.patch')
| -rw-r--r-- | meta/recipes-kernel/systemtap/systemtap/0001-PR28778-gcc-warning-tweak-for-sprintf-precision-para.patch | 45 |
1 files changed, 0 insertions, 45 deletions
diff --git a/meta/recipes-kernel/systemtap/systemtap/0001-PR28778-gcc-warning-tweak-for-sprintf-precision-para.patch b/meta/recipes-kernel/systemtap/systemtap/0001-PR28778-gcc-warning-tweak-for-sprintf-precision-para.patch deleted file mode 100644 index 0801cb57ec..0000000000 --- a/meta/recipes-kernel/systemtap/systemtap/0001-PR28778-gcc-warning-tweak-for-sprintf-precision-para.patch +++ /dev/null @@ -1,45 +0,0 @@ -Upstream-Status: Backport -Signed-off-by: Ross Burton <ross.burton@arm.com> - -From b0422e9e5a539164af75cddcaeb01bceca56bf12 Mon Sep 17 00:00:00 2001 -From: "Frank Ch. Eigler" <fche@redhat.com> -Date: Thu, 13 Jan 2022 18:33:15 -0500 -Subject: [PATCH] PR28778: gcc warning tweak for sprintf precision parameter - -A precision=-1 sentinel value got interpreted as UINT_MAX in a -context, leading to diagnostics like: - -/usr/share/systemtap/runtime/vsprintf.c:341:23: error: 'strnlen' specified bound 4294967295 may exceed maximum object size 2147483647 [-Werror=stringop-overread] - -Adding a clamp_t() around the parameter field to keep it limited to -STP_BUFFER_SIZE (8K by default), which is apprx. the limit for a -single printf. ---- - runtime/vsprintf.c | 4 ++-- - 1 file changed, 2 insertions(+), 2 deletions(-) - -diff --git a/runtime/vsprintf.c b/runtime/vsprintf.c -index cd31a938b..606f685e8 100644 ---- a/runtime/vsprintf.c -+++ b/runtime/vsprintf.c -@@ -338,7 +338,7 @@ _stp_vsprint_memory(char * str, char * end, const char * ptr, - if (format == 's') { - if ((unsigned long)ptr < PAGE_SIZE) - ptr = "<NULL>"; -- len = strnlen(ptr, precision); -+ len = strnlen(ptr, clamp_t(size_t, precision, 0, STP_BUFFER_SIZE)); - } - else if (precision > 0) - len = precision; -@@ -410,7 +410,7 @@ _stp_vsprint_memory_size(const char * ptr, int width, int precision, - if (format == 's') { - if ((unsigned long)ptr < PAGE_SIZE) - ptr = "<NULL>"; -- len = strnlen(ptr, precision); -+ len = strnlen(ptr, clamp_t(size_t, precision, 0, STP_BUFFER_SIZE)); - } - else if (precision > 0) - len = precision; --- -2.25.1 - |