[Bug build/30096] New: 'strncpy' output may be truncated

[Bug build/30096] New: 'strncpy' output may be truncated

[kladit@t-online.de]

https://sourceware.org/bugzilla/show_bug.cgi?id=30096

            Bug ID: 30096
           Summary: 'strncpy' output may be truncated
           Product: glibc
           Version: 2.37
            Status: UNCONFIRMED
          Severity: critical
          Priority: P2
         Component: build
          Assignee: unassigned at sourceware dot org
          Reporter: kladit@t-online.de
                CC: carlos at redhat dot com
  Target Milestone: ---

New bug

In function 'nis_local_host',
    inlined from 'nis_local_host' at nis_local_names.c:147:1:
nis_local_names.c:171:11: error: 'strncpy' output may be truncated copying
between 0 and 1023 bytes from a string of length 1024
[-Werror=stringop-truncation]
  171 |           strncpy (cp, nis_local_directory (), NIS_MAXNAMELEN - len
-1);
      |           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors
make[2]: *** [../o-iterator.mk:9: /sources/glibc/build/nis/nis_local_names.os]
Error 1

GNU C Library (GNU libc) development release version 2.37.9000.
Copyright (C) 2023 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.
There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE.
Compiled by GNU CC version 11.3.1 20230127.
libc ABIs: UNIQUE IFUNC ABSOLUTE
Minimum supported kernel: 6.01.0

-- 
You are receiving this mail because:
You are on the CC list for the bug.

[Bug build/30096] 'strncpy' output may be truncated

[kladit@t-online.de]

https://sourceware.org/bugzilla/show_bug.cgi?id=30096

Klaus Dittrich <kladit@t-online.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |kladit@t-online.de

-- 
You are receiving this mail because:
You are on the CC list for the bug.

[Bug build/30096] 'strncpy' output may be truncated

[josimmon at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=30096

Joseph Simmons-Talbott <josimmon at redhat dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |josimmon at redhat dot com

--- Comment #1 from Joseph Simmons-Talbott <josimmon at redhat dot com> ---
This appears to be fixed in 1e0c8356f591a62df9725b6c9387da78002ba412

-- 
You are receiving this mail because:
You are on the CC list for the bug.

[Bug build/30096] 'strncpy' output may be truncated

[carlos at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=30096

Carlos O'Donell <carlos at redhat dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |FIXED
             Status|UNCONFIRMED                 |RESOLVED
   Target Milestone|---                         |2.38

--- Comment #2 from Carlos O'Donell <carlos at redhat dot com> ---
Marking this as resolved for glibc 2.38.

-- 
You are receiving this mail because:
You are on the CC list for the bug.