* [sparse PATCH resend] linearize.c: fix buffer overrun warning from fortify
@ 2023-02-27 19:39 Jeff Layton
0 siblings, 0 replies; only message in thread
From: Jeff Layton @ 2023-02-27 19:39 UTC (permalink / raw)
To: linux-sparse; +Cc: luc.vanoostenryck
The resulting string from snprintf, won't be nearly 64 bytes, but "buf"
is only 16 bytes long here. This causes FORTIFY_SOURCE to complain when
given the right options.
Signed-off-by: Jeff Layton <jlayton@kernel.org>
---
linearize.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/linearize.c b/linearize.c
index d9aed61b361f..1db2d505a7d4 100644
--- a/linearize.c
+++ b/linearize.c
@@ -91,7 +91,7 @@ const char *show_label(struct basic_block *bb)
if (!bb)
return ".L???";
- snprintf(buf, 64, ".L%u", bb->nr);
+ snprintf(buf, 16, ".L%u", bb->nr);
return buf;
}
--
2.39.2
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