diff mbox series

[sparse,resend] linearize.c: fix buffer overrun warning from fortify

Message ID 20230227193927.87985-1-jlayton@kernel.org (mailing list archive)
State Accepted
Headers show
Series [sparse,resend] linearize.c: fix buffer overrun warning from fortify | expand

Commit Message

Jeff Layton Feb. 27, 2023, 7:39 p.m. UTC
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 mbox series

Patch

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;
 }