From patchwork Thu Sep 15 13:05:06 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zack Weinberg X-Patchwork-Id: 15668 Received: (qmail 54646 invoked by alias); 15 Sep 2016 13:05:15 -0000 Mailing-List: contact libc-alpha-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: libc-alpha-owner@sourceware.org Delivered-To: mailing list libc-alpha@sourceware.org Received: (qmail 54615 invoked by uid 89); 15 Sep 2016 13:05:13 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-4.0 required=5.0 tests=AWL, BAYES_00, RP_MATCHES_RCVD, SPF_PASS autolearn=ham version=3.3.2 spammy=Declare, exposing, 33, 8, 4546 X-HELO: mailbackend.panix.com From: Zack Weinberg To: libc-alpha@sourceware.org Cc: fweimer@redhat.com Subject: [PATCH 2/3] Add fortification and inline optimization of explicit_bzero. Date: Thu, 15 Sep 2016 09:05:06 -0400 Message-Id: <20160915130507.20993-3-zackw@panix.com> In-Reply-To: <20160915130507.20993-2-zackw@panix.com> References: <20160915130507.20993-1-zackw@panix.com> <20160915130507.20993-2-zackw@panix.com> MIME-Version: 1.0 By exposing __glibc_read_memory to external callers, we can write a fortify wrapper for explicit_bzero in terms of __memset_chk and __glibc_read_memory. There is no out-of-line __bzero_chk defined in libc.so, so I see no need to add an out-of-line __explicit_bzero_chk either. We can also add a bits/string2.h macro that optimizes explicit_bzero to memset + __glibc_read_memory, thus allowing the compiler to use intrinsic code generation for memset. I think this is worth doing because it partially addresses the problem pointed out in the manual, where explicit_bzero might _cause_ sensitive data to be copied out of registers onto the stack. With memset visible to the compiler, it will just clear a scratch area on the stack and then call __glibc_read_memory; it won't copy the sensitive data onto the stack first. (But it still doesn't erase the sensitive data _in_ the registers, so the warning in the manual is still appropriate.) * include/string.h: Change declaration of __glibc_read_memory to declaration of an internal alias. * string/string.h: Declare __glibc_read_memory here. * string/explicit_bzero.c: Use the internal alias for __glibc_read_memory. * string/bits/string2.h: Optimize explicit_bzero. * string/bits/string3.h: Fortify explicit_bzero. * debug/tst-chk1.c: Test fortification of explicit_bzero. * string/Versions: Expose __glibc_read_memory. * sysdeps/arm/nacl/libc.abilist * sysdeps/unix/sysv/linux/aarch64/libc.abilist * sysdeps/unix/sysv/linux/alpha/libc.abilist * sysdeps/unix/sysv/linux/arm/libc.abilist * sysdeps/unix/sysv/linux/hppa/libc.abilist * sysdeps/unix/sysv/linux/i386/libc.abilist * sysdeps/unix/sysv/linux/ia64/libc.abilist * sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist * sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist * sysdeps/unix/sysv/linux/microblaze/libc.abilist * sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist * sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist * sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist * sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist * sysdeps/unix/sysv/linux/nios2/libc.abilist * sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist * sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist * sysdeps/unix/sysv/linux/powerpc/powerpc64/libc-le.abilist * sysdeps/unix/sysv/linux/powerpc/powerpc64/libc.abilist * sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist * sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist * sysdeps/unix/sysv/linux/sh/libc.abilist * sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist * sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist * sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libc.abilist * sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libc.abilist * sysdeps/unix/sysv/linux/tile/tilepro/libc.abilist * sysdeps/unix/sysv/linux/x86_64/64/libc.abilist * sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist: Add __glibc_read_memory. --- debug/tst-chk1.c | 28 ++++++++++++++++++++++ include/string.h | 5 ++-- string/Versions | 3 +++ string/bits/string2.h | 13 +++++++++- string/bits/string3.h | 7 ++++++ string/explicit_bzero.c | 2 +- string/read_memory.c | 5 ++-- string/string.h | 5 ++++ sysdeps/arm/nacl/libc.abilist | 1 + sysdeps/unix/sysv/linux/aarch64/libc.abilist | 1 + sysdeps/unix/sysv/linux/alpha/libc.abilist | 1 + sysdeps/unix/sysv/linux/arm/libc.abilist | 1 + sysdeps/unix/sysv/linux/hppa/libc.abilist | 1 + sysdeps/unix/sysv/linux/i386/libc.abilist | 1 + sysdeps/unix/sysv/linux/ia64/libc.abilist | 1 + sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist | 1 + sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist | 1 + sysdeps/unix/sysv/linux/microblaze/libc.abilist | 1 + .../unix/sysv/linux/mips/mips32/fpu/libc.abilist | 1 + .../unix/sysv/linux/mips/mips32/nofpu/libc.abilist | 1 + .../unix/sysv/linux/mips/mips64/n32/libc.abilist | 1 + .../unix/sysv/linux/mips/mips64/n64/libc.abilist | 1 + sysdeps/unix/sysv/linux/nios2/libc.abilist | 1 + .../sysv/linux/powerpc/powerpc32/fpu/libc.abilist | 1 + .../linux/powerpc/powerpc32/nofpu/libc.abilist | 1 + .../sysv/linux/powerpc/powerpc64/libc-le.abilist | 1 + .../unix/sysv/linux/powerpc/powerpc64/libc.abilist | 1 + sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist | 1 + sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist | 1 + sysdeps/unix/sysv/linux/sh/libc.abilist | 1 + sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist | 1 + sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist | 1 + .../sysv/linux/tile/tilegx/tilegx32/libc.abilist | 1 + .../sysv/linux/tile/tilegx/tilegx64/libc.abilist | 1 + sysdeps/unix/sysv/linux/tile/tilepro/libc.abilist | 1 + sysdeps/unix/sysv/linux/x86_64/64/libc.abilist | 1 + sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist | 1 + 37 files changed, 90 insertions(+), 7 deletions(-) diff --git a/debug/tst-chk1.c b/debug/tst-chk1.c index 478c2fb..e87a279 100644 --- a/debug/tst-chk1.c +++ b/debug/tst-chk1.c @@ -160,6 +160,10 @@ do_test (void) if (memcmp (buf, "aabcdabc\0\0", 10)) FAIL (); + explicit_bzero (buf + 6, 4); + if (memcmp (buf, "aabcda\0\0\0\0", 10)) + FAIL (); + strcpy (buf + 4, "EDCBA"); if (memcmp (buf, "aabcEDCBA", 10)) FAIL (); @@ -201,6 +205,10 @@ do_test (void) if (memcmp (buf, "aabcdabc\0\0", 10)) FAIL (); + explicit_bzero (buf + 6, l0 + 4); + if (memcmp (buf, "aabcda\0\0\0\0", 10)) + FAIL (); + strcpy (buf + 4, str1 + 5); if (memcmp (buf, "aabcEDCBA", 10)) FAIL (); @@ -256,6 +264,10 @@ do_test (void) if (memcmp (a.buf1, "aabcdabc\0\0", 10)) FAIL (); + explicit_bzero (a.buf1 + 6, l0 + 4); + if (memcmp (a.buf1, "aabcda\0\0\0\0", 10)) + FAIL (); + #if __USE_FORTIFY_LEVEL < 2 /* The following tests are supposed to crash with -D_FORTIFY_SOURCE=2 and sufficient GCC support, as the string operations overflow @@ -345,6 +357,14 @@ do_test (void) bzero (buf + 9, l0 + 2); CHK_FAIL_END + CHK_FAIL_START + explicit_bzero (buf + 9, 2); + CHK_FAIL_END + + CHK_FAIL_START + explicit_bzero (buf + 9, l0 + 2); + CHK_FAIL_END + CHK_FAIL_START strcpy (buf + 5, str1 + 5); CHK_FAIL_END @@ -454,6 +474,14 @@ do_test (void) bzero (a.buf1 + 9, l0 + 2); CHK_FAIL_END + CHK_FAIL_START + explicit_bzero (a.buf1 + 9, 2); + CHK_FAIL_END + + CHK_FAIL_START + explicit_bzero (a.buf1 + 9, l0 + 2); + CHK_FAIL_END + # if __USE_FORTIFY_LEVEL >= 2 # define O 0 # else diff --git a/include/string.h b/include/string.h index dc0edf3..277c07d 100644 --- a/include/string.h +++ b/include/string.h @@ -99,9 +99,8 @@ libc_hidden_proto (memmem) extern __typeof (memmem) __memmem; libc_hidden_proto (__memmem) libc_hidden_proto (__ffs) -extern void __glibc_read_memory (const void *s, size_t len) - __THROW __nonnull ((1)) __attribute_noinline__; -libc_hidden_proto (__glibc_read_memory) +extern __typeof (__glibc_read_memory) __internal_glibc_read_memory; +libc_hidden_proto (__internal_glibc_read_memory) libc_hidden_builtin_proto (memchr) libc_hidden_builtin_proto (memcpy) diff --git a/string/Versions b/string/Versions index a2c6e6e..3d116f3 100644 --- a/string/Versions +++ b/string/Versions @@ -83,6 +83,9 @@ libc { GLIBC_2.24 { } GLIBC_2.25 { + # used by inlines in bits/string2.h and bits/string3.h + __glibc_read_memory; + # e* explicit_bzero; } diff --git a/string/bits/string2.h b/string/bits/string2.h index 8098760..6066d49 100644 --- a/string/bits/string2.h +++ b/string/bits/string2.h @@ -52,11 +52,22 @@ #define __string2_1bptr_p(__x) \ ((size_t)(const void *)((__x) + 1) - (size_t)(const void *)(__x) == 1) -/* Set N bytes of S to C. */ +/* Set N bytes of S to 0. */ #if !defined _HAVE_STRING_ARCH_memset # define __bzero(s, n) __builtin_memset (s, '\0', n) #endif +#if defined __USE_MISC && !defined __fortify_function +/* As bzero, but the compiler will not delete a call to this function, + even if S is dead after the call. This is a macro instead of an + inline function _solely_ so that it will not get turned into an + external definition in string-inlines.o; it has its own .c file in + libc already. */ +#define explicit_bzero(s, n) \ + (__extension__ ({ void *__s = (s); size_t __n = (n); \ + memset (__s, '\0', __n); \ + __glibc_read_memory (__s, __n); })) +#endif #ifndef _HAVE_STRING_ARCH_strchr extern void *__rawmemchr (const void *__s, int __c); diff --git a/string/bits/string3.h b/string/bits/string3.h index dd8db68..d340bef 100644 --- a/string/bits/string3.h +++ b/string/bits/string3.h @@ -102,6 +102,13 @@ __NTH (bzero (void *__dest, size_t __len)) { (void) __builtin___memset_chk (__dest, '\0', __len, __bos0 (__dest)); } + +__fortify_function void +__NTH (explicit_bzero (void *__dest, size_t __len)) +{ + (void) __builtin___memset_chk (__dest, '\0', __len, __bos0 (__dest)); + __glibc_read_memory (__dest, __len); +} #endif __fortify_function char * diff --git a/string/explicit_bzero.c b/string/explicit_bzero.c index a2b75be..a02be4f 100644 --- a/string/explicit_bzero.c +++ b/string/explicit_bzero.c @@ -26,5 +26,5 @@ void explicit_bzero (void *s, size_t len) { memset (s, '\0', len); - __glibc_read_memory (s, len); + __internal_glibc_read_memory (s, len); } diff --git a/string/read_memory.c b/string/read_memory.c index 5347ee2..c4a5990 100644 --- a/string/read_memory.c +++ b/string/read_memory.c @@ -33,8 +33,9 @@ void internal_function -__glibc_read_memory(const void *s, size_t len) +__internal_glibc_read_memory(const void *s, size_t len) { asm volatile (""); } -libc_hidden_def (__glibc_read_memory) +libc_hidden_def (__internal_glibc_read_memory) +strong_alias (__internal_glibc_read_memory, __glibc_read_memory) diff --git a/string/string.h b/string/string.h index 89f5ab2..682661a 100644 --- a/string/string.h +++ b/string/string.h @@ -459,6 +459,11 @@ extern void bzero (void *__s, size_t __n) __THROW __nonnull ((1)); function, even if S is dead after the call. */ extern void explicit_bzero (void *__s, size_t __n) __THROW __nonnull ((1)); +/* Optimization fence, used by bits/string2.h and bits/string3.h + inline versions of explicit_bzero. */ +extern void __glibc_read_memory (const void *__s, size_t __n) + __THROW __nonnull ((1)) __attribute_noinline__; + /* Compare N bytes of S1 and S2 (same as memcmp). */ extern int bcmp (const void *__s1, const void *__s2, size_t __n) __THROW __attribute_pure__ __nonnull ((1, 2)); diff --git a/sysdeps/arm/nacl/libc.abilist b/sysdeps/arm/nacl/libc.abilist index 345246c..02d4bc6 100644 --- a/sysdeps/arm/nacl/libc.abilist +++ b/sysdeps/arm/nacl/libc.abilist @@ -1843,6 +1843,7 @@ GLIBC_2.23 fts64_set F GLIBC_2.24 GLIBC_2.24 A GLIBC_2.24 quick_exit F GLIBC_2.25 GLIBC_2.25 A +GLIBC_2.25 __glibc_read_memory F GLIBC_2.25 explicit_bzero F GLIBC_2.25 gnu_dev_major F GLIBC_2.25 gnu_dev_makedev F diff --git a/sysdeps/unix/sysv/linux/aarch64/libc.abilist b/sysdeps/unix/sysv/linux/aarch64/libc.abilist index a6f076a..44dc0d1 100644 --- a/sysdeps/unix/sysv/linux/aarch64/libc.abilist +++ b/sysdeps/unix/sysv/linux/aarch64/libc.abilist @@ -2090,4 +2090,5 @@ GLIBC_2.23 fts64_set F GLIBC_2.24 GLIBC_2.24 A GLIBC_2.24 quick_exit F GLIBC_2.25 GLIBC_2.25 A +GLIBC_2.25 __glibc_read_memory F GLIBC_2.25 explicit_bzero F diff --git a/sysdeps/unix/sysv/linux/alpha/libc.abilist b/sysdeps/unix/sysv/linux/alpha/libc.abilist index 6d67017..02a490d 100644 --- a/sysdeps/unix/sysv/linux/alpha/libc.abilist +++ b/sysdeps/unix/sysv/linux/alpha/libc.abilist @@ -2001,6 +2001,7 @@ GLIBC_2.23 fts64_set F GLIBC_2.24 GLIBC_2.24 A GLIBC_2.24 quick_exit F GLIBC_2.25 GLIBC_2.25 A +GLIBC_2.25 __glibc_read_memory F GLIBC_2.25 explicit_bzero F GLIBC_2.3 GLIBC_2.3 A GLIBC_2.3 __ctype_b_loc F diff --git a/sysdeps/unix/sysv/linux/arm/libc.abilist b/sysdeps/unix/sysv/linux/arm/libc.abilist index 3f70b6c..d2b2800 100644 --- a/sysdeps/unix/sysv/linux/arm/libc.abilist +++ b/sysdeps/unix/sysv/linux/arm/libc.abilist @@ -91,6 +91,7 @@ GLIBC_2.23 fts64_set F GLIBC_2.24 GLIBC_2.24 A GLIBC_2.24 quick_exit F GLIBC_2.25 GLIBC_2.25 A +GLIBC_2.25 __glibc_read_memory F GLIBC_2.25 explicit_bzero F GLIBC_2.4 GLIBC_2.4 A GLIBC_2.4 _Exit F diff --git a/sysdeps/unix/sysv/linux/hppa/libc.abilist b/sysdeps/unix/sysv/linux/hppa/libc.abilist index 8dd44b3..59b2591 100644 --- a/sysdeps/unix/sysv/linux/hppa/libc.abilist +++ b/sysdeps/unix/sysv/linux/hppa/libc.abilist @@ -1855,6 +1855,7 @@ GLIBC_2.23 fts64_set F GLIBC_2.24 GLIBC_2.24 A GLIBC_2.24 quick_exit F GLIBC_2.25 GLIBC_2.25 A +GLIBC_2.25 __glibc_read_memory F GLIBC_2.25 explicit_bzero F GLIBC_2.3 GLIBC_2.3 A GLIBC_2.3 __ctype_b_loc F diff --git a/sysdeps/unix/sysv/linux/i386/libc.abilist b/sysdeps/unix/sysv/linux/i386/libc.abilist index 147d6c4..e64f9c6 100644 --- a/sysdeps/unix/sysv/linux/i386/libc.abilist +++ b/sysdeps/unix/sysv/linux/i386/libc.abilist @@ -2013,6 +2013,7 @@ GLIBC_2.23 fts64_set F GLIBC_2.24 GLIBC_2.24 A GLIBC_2.24 quick_exit F GLIBC_2.25 GLIBC_2.25 A +GLIBC_2.25 __glibc_read_memory F GLIBC_2.25 explicit_bzero F GLIBC_2.3 GLIBC_2.3 A GLIBC_2.3 __ctype_b_loc F diff --git a/sysdeps/unix/sysv/linux/ia64/libc.abilist b/sysdeps/unix/sysv/linux/ia64/libc.abilist index 77d6743..78acf45 100644 --- a/sysdeps/unix/sysv/linux/ia64/libc.abilist +++ b/sysdeps/unix/sysv/linux/ia64/libc.abilist @@ -1877,6 +1877,7 @@ GLIBC_2.23 fts64_set F GLIBC_2.24 GLIBC_2.24 A GLIBC_2.24 quick_exit F GLIBC_2.25 GLIBC_2.25 A +GLIBC_2.25 __glibc_read_memory F GLIBC_2.25 explicit_bzero F GLIBC_2.3 GLIBC_2.3 A GLIBC_2.3 __ctype_b_loc F diff --git a/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist b/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist index 52e1d01..ceb1909 100644 --- a/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist +++ b/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist @@ -92,6 +92,7 @@ GLIBC_2.23 fts64_set F GLIBC_2.24 GLIBC_2.24 A GLIBC_2.24 quick_exit F GLIBC_2.25 GLIBC_2.25 A +GLIBC_2.25 __glibc_read_memory F GLIBC_2.25 explicit_bzero F GLIBC_2.4 GLIBC_2.4 A GLIBC_2.4 _Exit F diff --git a/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist b/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist index 6dfe8a1..e8d7256 100644 --- a/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist +++ b/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist @@ -1969,6 +1969,7 @@ GLIBC_2.23 fts64_set F GLIBC_2.24 GLIBC_2.24 A GLIBC_2.24 quick_exit F GLIBC_2.25 GLIBC_2.25 A +GLIBC_2.25 __glibc_read_memory F GLIBC_2.25 explicit_bzero F GLIBC_2.3 GLIBC_2.3 A GLIBC_2.3 __ctype_b_loc F diff --git a/sysdeps/unix/sysv/linux/microblaze/libc.abilist b/sysdeps/unix/sysv/linux/microblaze/libc.abilist index 8fff289..c2e2ecc 100644 --- a/sysdeps/unix/sysv/linux/microblaze/libc.abilist +++ b/sysdeps/unix/sysv/linux/microblaze/libc.abilist @@ -2090,4 +2090,5 @@ GLIBC_2.23 fts64_set F GLIBC_2.24 GLIBC_2.24 A GLIBC_2.24 quick_exit F GLIBC_2.25 GLIBC_2.25 A +GLIBC_2.25 __glibc_read_memory F GLIBC_2.25 explicit_bzero F diff --git a/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist index 7b9a1d6..705f00b 100644 --- a/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist +++ b/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist @@ -1944,6 +1944,7 @@ GLIBC_2.23 fts64_set F GLIBC_2.24 GLIBC_2.24 A GLIBC_2.24 quick_exit F GLIBC_2.25 GLIBC_2.25 A +GLIBC_2.25 __glibc_read_memory F GLIBC_2.25 explicit_bzero F GLIBC_2.3 GLIBC_2.3 A GLIBC_2.3 __ctype_b_loc F diff --git a/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist index b1ca58e..41d3e5c 100644 --- a/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist +++ b/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist @@ -1942,6 +1942,7 @@ GLIBC_2.23 fts64_set F GLIBC_2.24 GLIBC_2.24 A GLIBC_2.24 quick_exit F GLIBC_2.25 GLIBC_2.25 A +GLIBC_2.25 __glibc_read_memory F GLIBC_2.25 explicit_bzero F GLIBC_2.3 GLIBC_2.3 A GLIBC_2.3 __ctype_b_loc F diff --git a/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist index 73542d1..4de5839 100644 --- a/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist +++ b/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist @@ -1940,6 +1940,7 @@ GLIBC_2.23 fts64_set F GLIBC_2.24 GLIBC_2.24 A GLIBC_2.24 quick_exit F GLIBC_2.25 GLIBC_2.25 A +GLIBC_2.25 __glibc_read_memory F GLIBC_2.25 explicit_bzero F GLIBC_2.3 GLIBC_2.3 A GLIBC_2.3 __ctype_b_loc F diff --git a/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist index 66d53a1..e1d5bec 100644 --- a/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist +++ b/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist @@ -1935,6 +1935,7 @@ GLIBC_2.23 fts64_set F GLIBC_2.24 GLIBC_2.24 A GLIBC_2.24 quick_exit F GLIBC_2.25 GLIBC_2.25 A +GLIBC_2.25 __glibc_read_memory F GLIBC_2.25 explicit_bzero F GLIBC_2.3 GLIBC_2.3 A GLIBC_2.3 __ctype_b_loc F diff --git a/sysdeps/unix/sysv/linux/nios2/libc.abilist b/sysdeps/unix/sysv/linux/nios2/libc.abilist index 9be8569..34e83a6 100644 --- a/sysdeps/unix/sysv/linux/nios2/libc.abilist +++ b/sysdeps/unix/sysv/linux/nios2/libc.abilist @@ -2131,4 +2131,5 @@ GLIBC_2.23 fts64_set F GLIBC_2.24 GLIBC_2.24 A GLIBC_2.24 quick_exit F GLIBC_2.25 GLIBC_2.25 A +GLIBC_2.25 __glibc_read_memory F GLIBC_2.25 explicit_bzero F diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist index 590b6f0..91a30c8 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist @@ -1973,6 +1973,7 @@ GLIBC_2.23 fts64_set F GLIBC_2.24 GLIBC_2.24 A GLIBC_2.24 quick_exit F GLIBC_2.25 GLIBC_2.25 A +GLIBC_2.25 __glibc_read_memory F GLIBC_2.25 explicit_bzero F GLIBC_2.3 GLIBC_2.3 A GLIBC_2.3 __ctype_b_loc F diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist index f191e62..a4ecbc2 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist @@ -1978,6 +1978,7 @@ GLIBC_2.23 fts64_set F GLIBC_2.24 GLIBC_2.24 A GLIBC_2.24 quick_exit F GLIBC_2.25 GLIBC_2.25 A +GLIBC_2.25 __glibc_read_memory F GLIBC_2.25 explicit_bzero F GLIBC_2.3 GLIBC_2.3 A GLIBC_2.3 __ctype_b_loc F diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/libc-le.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc64/libc-le.abilist index 39fbee9..277ec26 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/libc-le.abilist +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/libc-le.abilist @@ -2178,4 +2178,5 @@ GLIBC_2.23 fts64_set F GLIBC_2.24 GLIBC_2.24 A GLIBC_2.24 quick_exit F GLIBC_2.25 GLIBC_2.25 A +GLIBC_2.25 __glibc_read_memory F GLIBC_2.25 explicit_bzero F diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc64/libc.abilist index 8921048..e3dafa5 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/libc.abilist +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/libc.abilist @@ -92,6 +92,7 @@ GLIBC_2.23 fts64_set F GLIBC_2.24 GLIBC_2.24 A GLIBC_2.24 quick_exit F GLIBC_2.25 GLIBC_2.25 A +GLIBC_2.25 __glibc_read_memory F GLIBC_2.25 explicit_bzero F GLIBC_2.3 GLIBC_2.3 A GLIBC_2.3 _Exit F diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist b/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist index 10109a8..3ab826d 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist +++ b/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist @@ -1973,6 +1973,7 @@ GLIBC_2.23 fts64_set F GLIBC_2.24 GLIBC_2.24 A GLIBC_2.24 quick_exit F GLIBC_2.25 GLIBC_2.25 A +GLIBC_2.25 __glibc_read_memory F GLIBC_2.25 explicit_bzero F GLIBC_2.3 GLIBC_2.3 A GLIBC_2.3 __ctype_b_loc F diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist b/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist index 10ad998..c4c0a8e 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist +++ b/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist @@ -1874,6 +1874,7 @@ GLIBC_2.23 fts64_set F GLIBC_2.24 GLIBC_2.24 A GLIBC_2.24 quick_exit F GLIBC_2.25 GLIBC_2.25 A +GLIBC_2.25 __glibc_read_memory F GLIBC_2.25 explicit_bzero F GLIBC_2.3 GLIBC_2.3 A GLIBC_2.3 __ctype_b_loc F diff --git a/sysdeps/unix/sysv/linux/sh/libc.abilist b/sysdeps/unix/sysv/linux/sh/libc.abilist index f7fd80d..7a11b8a 100644 --- a/sysdeps/unix/sysv/linux/sh/libc.abilist +++ b/sysdeps/unix/sysv/linux/sh/libc.abilist @@ -1859,6 +1859,7 @@ GLIBC_2.23 fts64_set F GLIBC_2.24 GLIBC_2.24 A GLIBC_2.24 quick_exit F GLIBC_2.25 GLIBC_2.25 A +GLIBC_2.25 __glibc_read_memory F GLIBC_2.25 explicit_bzero F GLIBC_2.3 GLIBC_2.3 A GLIBC_2.3 __ctype_b_loc F diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist b/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist index 6a77cc9..13efb9f 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist +++ b/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist @@ -1965,6 +1965,7 @@ GLIBC_2.23 fts64_set F GLIBC_2.24 GLIBC_2.24 A GLIBC_2.24 quick_exit F GLIBC_2.25 GLIBC_2.25 A +GLIBC_2.25 __glibc_read_memory F GLIBC_2.25 explicit_bzero F GLIBC_2.3 GLIBC_2.3 A GLIBC_2.3 __ctype_b_loc F diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist b/sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist index da1bc47..da6819b 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist +++ b/sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist @@ -1903,6 +1903,7 @@ GLIBC_2.23 fts64_set F GLIBC_2.24 GLIBC_2.24 A GLIBC_2.24 quick_exit F GLIBC_2.25 GLIBC_2.25 A +GLIBC_2.25 __glibc_read_memory F GLIBC_2.25 explicit_bzero F GLIBC_2.3 GLIBC_2.3 A GLIBC_2.3 __ctype_b_loc F diff --git a/sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libc.abilist b/sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libc.abilist index 3cb4463..0d58dc0 100644 --- a/sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libc.abilist +++ b/sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libc.abilist @@ -2097,4 +2097,5 @@ GLIBC_2.23 fts64_set F GLIBC_2.24 GLIBC_2.24 A GLIBC_2.24 quick_exit F GLIBC_2.25 GLIBC_2.25 A +GLIBC_2.25 __glibc_read_memory F GLIBC_2.25 explicit_bzero F diff --git a/sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libc.abilist b/sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libc.abilist index db16fa5..fc55930 100644 --- a/sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libc.abilist +++ b/sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libc.abilist @@ -2097,4 +2097,5 @@ GLIBC_2.23 fts64_set F GLIBC_2.24 GLIBC_2.24 A GLIBC_2.24 quick_exit F GLIBC_2.25 GLIBC_2.25 A +GLIBC_2.25 __glibc_read_memory F GLIBC_2.25 explicit_bzero F diff --git a/sysdeps/unix/sysv/linux/tile/tilepro/libc.abilist b/sysdeps/unix/sysv/linux/tile/tilepro/libc.abilist index 3cb4463..0d58dc0 100644 --- a/sysdeps/unix/sysv/linux/tile/tilepro/libc.abilist +++ b/sysdeps/unix/sysv/linux/tile/tilepro/libc.abilist @@ -2097,4 +2097,5 @@ GLIBC_2.23 fts64_set F GLIBC_2.24 GLIBC_2.24 A GLIBC_2.24 quick_exit F GLIBC_2.25 GLIBC_2.25 A +GLIBC_2.25 __glibc_read_memory F GLIBC_2.25 explicit_bzero F diff --git a/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist b/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist index 34bf69c..858a26c 100644 --- a/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist +++ b/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist @@ -1854,6 +1854,7 @@ GLIBC_2.23 fts64_set F GLIBC_2.24 GLIBC_2.24 A GLIBC_2.24 quick_exit F GLIBC_2.25 GLIBC_2.25 A +GLIBC_2.25 __glibc_read_memory F GLIBC_2.25 explicit_bzero F GLIBC_2.3 GLIBC_2.3 A GLIBC_2.3 __ctype_b_loc F diff --git a/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist b/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist index c31daa8..9a45eed 100644 --- a/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist +++ b/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist @@ -2097,4 +2097,5 @@ GLIBC_2.23 fts64_set F GLIBC_2.24 GLIBC_2.24 A GLIBC_2.24 quick_exit F GLIBC_2.25 GLIBC_2.25 A +GLIBC_2.25 __glibc_read_memory F GLIBC_2.25 explicit_bzero F