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From: Adhemerval Zanella <azanella@sourceware.org>
To: glibc-cvs@sourceware.org
Subject: [glibc] elf: Fix wrong fscanf usage on tst-pldd
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b2cd93fce666fdc8c9a5c64af2741a8a6940ac99

commit b2cd93fce666fdc8c9a5c64af2741a8a6940ac99
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date:   Fri Mar 25 11:16:49 2022 -0300

    elf: Fix wrong fscanf usage on tst-pldd
    
    To take in consideration the extra '\0'.
    
    Checked on x86_64-linux-gnu.

Diff:
---
 elf/tst-pldd.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/elf/tst-pldd.c b/elf/tst-pldd.c
index f31f9956fa..8916ce5a2e 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);