diff options
Diffstat (limited to 'linux-kernel-test.patch')
| -rw-r--r-- | linux-kernel-test.patch | 51 |
1 files changed, 0 insertions, 51 deletions
diff --git a/linux-kernel-test.patch b/linux-kernel-test.patch index 83d7867b8..e69de29bb 100644 --- a/linux-kernel-test.patch +++ b/linux-kernel-test.patch @@ -1,51 +0,0 @@ -From nobody Wed Jan 19 11:56:00 2022 -From: Sergei Trofimovich <slyich@gmail.com> -To: Peter Zijlstra <peterz@infradead.org> -Cc: linux-kernel@vger.kernel.org, Sergei Trofimovich <slyich@gmail.com>, Josh Poimboeuf <jpoimboe@redhat.com> -Subject: [PATCH] objtool: check: give big enough buffer for pv_ops -Date: Fri, 14 Jan 2022 07:57:56 +0000 -Message-Id: <20220114075756.838243-1-slyich@gmail.com> -List-ID: <linux-kernel.vger.kernel.org> -X-Mailing-List: linux-kernel@vger.kernel.org -MIME-Version: 1.0 -Content-Type: text/plain; charset="utf-8" -Content-Transfer-Encoding: 7bit - -On gcc-12 build fails flagging possible buffer overflow: - - check.c: In function 'validate_call': - check.c:2865:58: error: '%d' directive output may be truncated writing between 1 and 10 bytes into a region of size 9 [-Werror=format-truncation=] - 2865 | snprintf(pvname, sizeof(pvname), "pv_ops[%d]", idx); - | ^~ - -I think it's a valid warning: - - static char pvname[16]; - int idx; - ... - idx = (rel->addend / sizeof(void *)); - snprintf(pvname, sizeof(pvname), "pv_ops[%d]", idx); - -we have only 7 chars for %d while it could take up to 9. - -CC: Josh Poimboeuf <jpoimboe@redhat.com> -CC: Peter Zijlstra <peterz@infradead.org> ---- - tools/objtool/check.c | 2 +- - 1 file changed, 1 insertion(+), 1 deletion(-) - -diff --git a/tools/objtool/check.c b/tools/objtool/check.c -index 8c1931eab5f1..0fae132ea59f 100644 ---- a/tools/objtool/check.c -+++ b/tools/objtool/check.c -@@ -2852,7 +2852,7 @@ static inline bool func_uaccess_safe(struct symbol *func) - - static inline const char *call_dest_name(struct instruction *insn) - { -- static char pvname[16]; -+ static char pvname[32]; - struct reloc *rel; - int idx; - --- -2.34.1 |