[PATCH 0/3] Add _FORTIFY_SOURCE support for inet_ntop

Frédéric Bérat fberat@redhat.com
Mon Mar 17 12:48:16 GMT 2025


Hi,

This patchset enables inet_ntop fortification.

This builds with and without fortification, and all checks passed on x86_64.

Fred.

---
Frédéric Bérat (3):
  Prepare inet_ntop to be fortified
  Add missing guards in include/arpa/inet.h
  Add _FORTIFY_SOURCE support for inet_ntop

 debug/Makefile                                |  1 +
 debug/Versions                                |  3 ++
 debug/inet_ntop_chk.c                         | 30 ++++++++++++++
 debug/tst-fortify.c                           | 21 ++++++++++
 include/arpa/inet.h                           | 11 ++++-
 include/bits/inet-fortified-decl.h            |  1 +
 include/bits/inet-fortified.h                 |  1 +
 inet/Makefile                                 |  2 +
 inet/arpa/inet.h                              |  6 ++-
 inet/bits/inet-fortified-decl.h               | 35 ++++++++++++++++
 inet/bits/inet-fortified.h                    | 41 +++++++++++++++++++
 manual/maint.texi                             |  2 +
 nss/getnameinfo.c                             |  4 +-
 resolv/inet_ntop.c                            |  8 ++--
 sysdeps/mach/hurd/i386/libc.abilist           |  1 +
 sysdeps/mach/hurd/x86_64/libc.abilist         |  1 +
 sysdeps/unix/sysv/linux/aarch64/libc.abilist  |  1 +
 sysdeps/unix/sysv/linux/alpha/libc.abilist    |  1 +
 sysdeps/unix/sysv/linux/arc/libc.abilist      |  1 +
 sysdeps/unix/sysv/linux/arm/be/libc.abilist   |  1 +
 sysdeps/unix/sysv/linux/arm/le/libc.abilist   |  1 +
 sysdeps/unix/sysv/linux/csky/libc.abilist     |  1 +
 sysdeps/unix/sysv/linux/hppa/libc.abilist     |  1 +
 sysdeps/unix/sysv/linux/i386/libc.abilist     |  1 +
 .../sysv/linux/loongarch/lp64/libc.abilist    |  1 +
 .../sysv/linux/m68k/coldfire/libc.abilist     |  1 +
 .../unix/sysv/linux/m68k/m680x0/libc.abilist  |  1 +
 .../sysv/linux/microblaze/be/libc.abilist     |  1 +
 .../sysv/linux/microblaze/le/libc.abilist     |  1 +
 .../sysv/linux/mips/mips32/fpu/libc.abilist   |  1 +
 .../sysv/linux/mips/mips32/nofpu/libc.abilist |  1 +
 .../sysv/linux/mips/mips64/n32/libc.abilist   |  1 +
 .../sysv/linux/mips/mips64/n64/libc.abilist   |  1 +
 sysdeps/unix/sysv/linux/or1k/libc.abilist     |  1 +
 .../linux/powerpc/powerpc32/fpu/libc.abilist  |  1 +
 .../powerpc/powerpc32/nofpu/libc.abilist      |  1 +
 .../linux/powerpc/powerpc64/be/libc.abilist   |  1 +
 .../linux/powerpc/powerpc64/le/libc.abilist   |  1 +
 .../unix/sysv/linux/riscv/rv32/libc.abilist   |  1 +
 .../unix/sysv/linux/riscv/rv64/libc.abilist   |  1 +
 .../unix/sysv/linux/s390/s390-32/libc.abilist |  1 +
 .../unix/sysv/linux/s390/s390-64/libc.abilist |  1 +
 sysdeps/unix/sysv/linux/sh/be/libc.abilist    |  1 +
 sysdeps/unix/sysv/linux/sh/le/libc.abilist    |  1 +
 .../sysv/linux/sparc/sparc32/libc.abilist     |  1 +
 .../sysv/linux/sparc/sparc64/libc.abilist     |  1 +
 .../unix/sysv/linux/x86_64/64/libc.abilist    |  1 +
 .../unix/sysv/linux/x86_64/x32/libc.abilist   |  1 +
 48 files changed, 193 insertions(+), 7 deletions(-)
 create mode 100644 debug/inet_ntop_chk.c
 create mode 100644 include/bits/inet-fortified-decl.h
 create mode 100644 include/bits/inet-fortified.h
 create mode 100644 inet/bits/inet-fortified-decl.h
 create mode 100644 inet/bits/inet-fortified.h

-- 
2.48.1



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