From: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Fri, 25 Mar 2022 14:16:49 +0000 (-0300)
Subject: elf: Fix wrong fscanf usage on tst-pldd
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2636fbb7efa8ba6ee101fa64f2295e5f118b8d96;p=thirdparty%2Fglibc.git

elf: Fix wrong fscanf usage on tst-pldd

To take in consideration the extra '\0'.

Checked on x86_64-linux-gnu.

(cherry picked from commit b2cd93fce666fdc8c9a5c64af2741a8a6940ac99)
---

diff --git a/elf/tst-pldd.c b/elf/tst-pldd.c
index f31f9956faa..8916ce5a2e0 100644
--- a/elf/tst-pldd.c
+++ b/elf/tst-pldd.c
@@ -113,7 +113,8 @@ do_test (void)
     TEST_VERIFY (out != NULL);
 
     /* First line is in the form of <pid>: <full path of executable>  */
-    TEST_COMPARE (fscanf (out, "%u: " STRINPUT (512), &pid, buffer), 2);
+    TEST_COMPARE (fscanf (out, "%u: " STRINPUT (sizeof (buffer) - 1), &pid,
+			  buffer), 2);
 
     TEST_COMPARE (pid, *target_pid_ptr);
     TEST_COMPARE (strcmp (basename (buffer), "tst-pldd"), 0);