[Bug string/27655] New: Wrong size calculation in string/test-strnlen.c

[Bug string/27655] New: Wrong size calculation in string/test-strnlen.c

[hjl.tools at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=27655

            Bug ID: 27655
           Summary: Wrong size calculation in string/test-strnlen.c
           Product: glibc
           Version: 2.34
            Status: NEW
          Severity: normal
          Priority: P2
         Component: string
          Assignee: unassigned at sourceware dot org
          Reporter: hjl.tools at gmail dot com
  Target Milestone: ---

string/test-strnlen.c has

static void
do_page_tests (void)
{
  size_t i, exp_len, start_offset, offset;
  /* Calculate the null character offset.  */
  size_t last_offset = (page_size / sizeof (CHAR)) - 1;

  CHAR *s = (CHAR *) buf2;
  memset (s, 65, (last_offset - 1));
                 ^^^^^^^^^^^^^^^ Wrong size when size of CHAR > 1.

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[Bug string/27655] Wrong size calculation in string/test-strnlen.c

[hjl.tools at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=27655

H.J. Lu <hjl.tools at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
   Target Milestone|---                         |2.34
         Resolution|---                         |FIXED

--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> ---
Fixed for 2.34 by

commit 86859b7e58d8670b186c5209ba25f0fbd6612fb7
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Sat Mar 27 09:15:00 2021 -0700

    test-strnlen.c: Initialize wchar_t string with wmemset [BZ #27655]

    Use wmemset to initialize wchar_t string.

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