Messages in this thread | | | Date | Wed, 12 Jan 2022 10:41:29 +0100 (CET) | From | Miroslav Benes <> | Subject | Re: [PATCH] objtool: Fix -Wformat-truncation seen with GCC 12. |
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Hi,
On Wed, 12 Jan 2022, Martin Liška wrote:
> The patch fixes the following warning that seems reasonable: > > check.c:2836:58: error: '%d' directive output may be truncated writing between > 1 and 10 bytes into a region of size 9 [-Werror=format-truncation=] > 2836 | snprintf(pvname, sizeof(pvname), "pv_ops[%d]", idx); > > Signed-off-by: Martin Liška <mliska@suse.cz> > --- > 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 a9a1f7259d62..9555f7ad57cd 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[20]; > struct reloc *rel; > int idx;
a similar patch has already been posted (not merged yet though).
https://lore.kernel.org/all/20211223182707.42590-1-kilobyte@angband.pl/
Thanks
Miroslav | |