From patchwork Mon Sep 12 13:48:02 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Florian Weimer X-Patchwork-Id: 15536 Received: (qmail 102847 invoked by alias); 12 Sep 2016 13:48:31 -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 99281 invoked by uid 89); 12 Sep 2016 13:48:28 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-3.2 required=5.0 tests=BAYES_00, KAM_LAZY_DOMAIN_SECURITY, RP_MATCHES_RCVD, SPF_HELO_PASS autolearn=ham version=3.3.2 spammy=hadnt, hadn't, HTo:U*rth, pseudo-random X-HELO: mx1.redhat.com Subject: Re: [PATCH v3] getrandom system call wrapper [BZ #17252] To: Richard Henderson , Andreas Schwab References: <661db778-8110-82b2-2c41-d6195916cbea@redhat.com> <0e765666-3d0c-ef01-3ccc-82a11388c551@redhat.com> <77056253-5741-5213-f103-a88d01790bd3@twiddle.net> <721afeb6-4217-d7a5-bd66-3b1e3a4b0a49@redhat.com> Cc: GNU C Library From: Florian Weimer Message-ID: <1e504362-69dd-a6ea-44dc-59afed8c4b83@redhat.com> Date: Mon, 12 Sep 2016 15:48:02 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.3.0 MIME-Version: 1.0 In-Reply-To: On 09/08/2016 08:35 PM, Richard Henderson wrote: > On 09/08/2016 11:32 AM, Florian Weimer wrote: >>> Using __asm__ to change the assembler name of the C-level symbol is probably >>> preferred for __GCC__. >> >> This does not work in all cases because a getrandom function definition will >> inherit the asm alias on the prototype and interpose the supposedly-protected >> symbol. >> >> But now that we have a header, maybe this isn't a problem—if an >> application includes the header, it shows that it is aware of >> getrandom, so it's less likely that it's interposing the function accidentally. > > Indeed, that's what I was assuming. I hadn't read the previous patches where > this header didn't exist. Okay. I think this approach will work. __REDIRECT will provide the asm alias when a GNU-style compiler is used. Otherwise, we use a function macro. Thanks, Florian Add getrandom system call and header file [BZ #17252] 2016-09-12 Florian Weimer [BZ #17252] * stdlib/sys/random.h: New file. (headers): Add it. * stdlib/Makefile (routines): Add getrandom. (tests): Add tst-getrandom. * stdlib/Versions (GLIBC_2.25): Add getrandom, __getrandom. * stdlib/getrandom.c: New file. * stdlib/tst-getrandom.c: Likewise. * manual/crypt.texi (Unpredictable Bytes): New section. * manual/math.texi (Pseudo-Random Numbers): Add cross-reference. * sysdeps/arm/nacl/libc.abilist: Add __getrandom. * sysdeps/unix/sysv/linux/aarch64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/alpha/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/arm/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/hppa/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/i386/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/ia64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/microblaze/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/nios2/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libc-le.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/sh/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/tile/tilepro/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/64/libc.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist: Likewise. diff --git a/NEWS b/NEWS index ba1ec71..5c1cd79 100644 --- a/NEWS +++ b/NEWS @@ -40,6 +40,8 @@ Version 2.25 for the Linux quota interface which predates kernel version 2.4.22 has been removed. +* The getrandom function and the header file have been added. + Security related changes: On ARM EABI (32-bit), generating a backtrace for execution contexts which diff --git a/manual/crypt.texi b/manual/crypt.texi index 659688b..20f83dc 100644 --- a/manual/crypt.texi +++ b/manual/crypt.texi @@ -45,6 +45,7 @@ encrypted authentication use normal DES. * getpass:: Prompting the user for a password. * crypt:: A one-way function for passwords. * DES Encryption:: Routines for DES encryption. +* Unpredictable Bytes:: Randomness for cryptography purposes. @end menu @node Legal Problems @@ -428,3 +429,69 @@ each byte. The @code{ecb_crypt}, @code{cbc_crypt}, and @code{des_setparity} functions and their accompanying macros are all defined in the header @file{rpc/des_crypt.h}. + +@node Unpredictable Bytes +@section Generating Unpredictable Bytes + +Some cryptographic applications (such as session key generation) need +unpredictable bytes. + +@comment sys/random.h +@comment GNU +@deftypefun int getrandom (void *@var{buffer}, size_t @var{length}, unsigned int @var{flags}) +@safety{@mtsafe{}@assafe{}@acsafe{}} + +This function writes @var{length} bytes of random data to the array +starting at @var{buffer}. On success, this function returns the number +of bytes which have been written to the buffer (which can be less than +@var{length}). On error, @code{-1} is returned, and @code{errno} is +updated accordingly. + +The @code{getrandom} function is declared in the header file +@file{sys/random.h}. It is a GNU extension. + +The following flags are defined for the @var{flags} argument: + +@table @code +@item GRND_RANDOM +Use the blocking pool instead of the non-blocking pool to obtain +randomness. By default, the non-blocking pool is used. The blocking +pool corresponds to @file{/dev/random}, and the non-blocking pool to +@file{/dev/urandom}. + +@item GRND_NONBLOCK +Instead of blocking, return to the caller immediately if no data is +available. +@end table + +The @code{getrandom} function is a cancellation point. + +Even access to the non-blocking pool can block if the system has just +booted and the pool has not yet been initialized. + +The @code{getrandom} function can fail with several errors, some of +which are listed below. In addition, the function may not fill the +buffer completely and return a value less than @var{length}. + +@table @code +@item ENOSYS +The kernel does not implement the @code{getrandom} system call. + +@item EAGAIN +No random data was available and @code{GRND_NONBLOCK} was specified in +@var{flags}. + +@item EFAULT +The combination of @var{buffer} and @var{length} arguments specifies +an invalid memory range. + +@item EINTR +The system call was interrupted. During the system boot process, before +the kernel randomness pool is initialized, this can happen even if +@var{flags} is zero. + +@item EINVAL +The @var{flags} argument contains an invalid combination of flags. +@end table + +@end deftypefun diff --git a/manual/math.texi b/manual/math.texi index d689820..a5ca211 100644 --- a/manual/math.texi +++ b/manual/math.texi @@ -1414,7 +1414,8 @@ is convenient when you are debugging a program, but it is unhelpful if you want the program to behave unpredictably. If you want a different pseudo-random series each time your program runs, you must specify a different seed each time. For ordinary purposes, basing the seed on the -current time works well. +current time works well. For random numbers in cryptography, +@pxref{Unpredictable Bytes}. You can obtain repeatable sequences of numbers on a particular machine type by specifying the same initial seed value for the random number diff --git a/stdlib/Makefile b/stdlib/Makefile index fc6f23d..9055993 100644 --- a/stdlib/Makefile +++ b/stdlib/Makefile @@ -28,7 +28,7 @@ headers := stdlib.h bits/stdlib.h bits/stdlib-ldbl.h bits/stdlib-float.h \ errno.h sys/errno.h bits/errno.h \ ucontext.h sys/ucontext.h \ alloca.h fmtmsg.h \ - bits/stdlib-bsearch.h + bits/stdlib-bsearch.h sys/random.h routines := \ atof atoi atol atoll \ @@ -45,7 +45,7 @@ routines := \ srand48 seed48 lcong48 \ drand48_r erand48_r lrand48_r nrand48_r mrand48_r jrand48_r \ srand48_r seed48_r lcong48_r \ - drand48-iter \ + drand48-iter getrandom \ strtol strtoul strtoll strtoull \ strtol_l strtoul_l strtoll_l strtoull_l \ strtof strtod strtold \ @@ -77,7 +77,7 @@ tests := tst-strtol tst-strtod testmb testrand testsort testdiv \ tst-tininess tst-strtod-underflow tst-tls-atexit \ tst-setcontext3 tst-tls-atexit-nodelete \ tst-strtol-locale tst-strtod-nan-locale tst-strfmon_l \ - tst-quick_exit tst-thread-quick_exit + tst-quick_exit tst-thread-quick_exit tst-getrandom tests-static := tst-secure-getenv ifeq ($(have-cxx-thread_local),yes) CFLAGS-tst-quick_exit.o = -std=c++11 diff --git a/stdlib/Versions b/stdlib/Versions index 9c06b43..9473daa 100644 --- a/stdlib/Versions +++ b/stdlib/Versions @@ -112,6 +112,10 @@ libc { GLIBC_2.24 { quick_exit; } + GLIBC_2.25 { + getrandom; + __getrandom; + } GLIBC_PRIVATE { # functions which have an additional interface since they are # are cancelable. diff --git a/stdlib/getrandom.c b/stdlib/getrandom.c new file mode 100644 index 0000000..3f21e89 --- /dev/null +++ b/stdlib/getrandom.c @@ -0,0 +1,33 @@ +/* Stub for getrandom. + Copyright (C) 2016 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#include +#include + +/* Write LENGTH bytes of randomness starting at BUFFER. Returns the + number of bytes written, or -1 on error. */ +ssize_t +__getrandom (void *buffer, size_t length, unsigned int flags) +{ + __set_errno (ENOSYS); + return -1; +} + +stub_warning (__getrandom) + +weak_alias (__getrandom, getrandom) diff --git a/stdlib/sys/random.h b/stdlib/sys/random.h new file mode 100644 index 0000000..e26a22e --- /dev/null +++ b/stdlib/sys/random.h @@ -0,0 +1,46 @@ +/* Interfaces for obtaining random bytes. + Copyright (C) 2016 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#ifndef _SYS_RANDOM_H +#define _SYS_RANDOM_H 1 + +#include + +/* Flags for use with getrandom. */ +#define GRND_NONBLOCK 1 +#define GRND_RANDOM 2 + +__BEGIN_DECLS + +/* Write LENGTH bytes of randomness starting at BUFFER. Returns the + number of bytes written, or -1 on error. */ +int getrandom (void *__buffer, size_t __length, unsigned int __flags) + __wur; +int __getrandom (void *__buffer, size_t __length, unsigned int __flags) + __wur; +#ifdef __REDIRECT +extern int __REDIRECT (getrandom, + (void *__buffer, size_t __length, unsigned int __flags), + __getrandom); +#else +# define getrandom(buffer, length, flags) __getrandom (buffer, length, flags) +#endif + +__END_DECLS + +#endif /* _SYS_RANDOM_H */ diff --git a/stdlib/tst-getrandom.c b/stdlib/tst-getrandom.c new file mode 100644 index 0000000..d8816b8 --- /dev/null +++ b/stdlib/tst-getrandom.c @@ -0,0 +1,166 @@ +/* Tests for the getrandom function. + Copyright (C) 2016 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#include +#include +#include +#include +#include + +/* Set to true if any errors are encountered. */ +static bool errors; + +/* Test getrandom with a single buffer length. */ +static void +test_length (char *buffer, size_t length, unsigned int flags) +{ + memset (buffer, 0, length); + strcpy (buffer + length, "123"); + ssize_t ret = getrandom (buffer, length, flags); + if (ret < 0) + { + if (!((flags & GRND_RANDOM) + && (flags & GRND_NONBLOCK) + && errno != EAGAIN)) + { + printf ("error: getrandom (%zu, 0x%x): %m\n", length, flags); + errors = true; + } + } + if (ret != length) + { + if (flags & GRND_RANDOM) + { + if (ret == 0 || ret > length) + { + printf ("error: getrandom (%zu, 0x%x) returned %zd\n", + length, flags, ret); + errors = true; + } + } + else + { + printf ("error: getrandom (%zu, 0x%x) returned %zd\n", + length, flags, ret); + errors = true; + } + } + if (length >= 7) + { + /* One spurious test failure in 2**56 is sufficiently + unlikely. */ + int non_null = 0; + for (int i = 0; i < length; ++i) + non_null += buffer[i] != 0; + if (non_null == 0) + { + printf ("error: getrandom (%zu, 0x%x) returned all-zero bytes\n", + length, flags); + errors = true; + } + } + if (memcmp (buffer + length, "123", 4) != 0) + { + printf ("error: getrandom (%zu, 0x%x) wrote spurious bytes\n", + length, flags); + errors = true; + } +} + +/* Call getrandom repeatedly to fill the buffer. */ +static bool +getrandom_full (char *buffer, size_t length, unsigned int flags) +{ + char *end = buffer + length; + while (buffer < end) + { + ssize_t ret = getrandom (buffer, end - buffer, flags); + if (ret < 0) + { + printf ("error: getrandom (%zu, 0x%x): %m\n", length, flags); + errors = true; + return false; + } + buffer += ret; + } + + return true; +} + +static void +test_flags (unsigned int flags) +{ + /* Test various lengths, but only for !GRND_RANDOM, to conserve + entropy. */ + { + enum { max_length = 300 }; + char buffer[max_length + 4]; + if (flags & GRND_RANDOM) + test_length (buffer, 0, flags); + else + { + for (int length = 0; length <= 9; ++length) + test_length (buffer, length, flags); + test_length (buffer, 16, flags); + test_length (buffer, max_length, flags); + } + } + + /* Test that getrandom returns different data. */ + if (!(flags & GRND_NONBLOCK)) + { + char buffer1[8]; + memset (buffer1, 0, sizeof (buffer1)); + + char buffer2[8]; + memset (buffer2, 0, sizeof (buffer2)); + + if (getrandom_full (buffer1, sizeof (buffer1), flags) + && getrandom_full (buffer2, sizeof (buffer2), flags)) + { + if (memcmp (buffer1, buffer2, sizeof (buffer1)) == 0) + { + printf ("error: getrandom returns constant value\n"); + errors = true; + } + } + } +} + +static int +do_test (void) +{ + /* Check if getrandom is not supported by this system. */ + if (getrandom (NULL, 0, 0) == -1 && errno == ENOSYS) + return 77; + + for (int use_random = 0; use_random < 2; ++use_random) + for (int use_nonblock = 0; use_nonblock < 2; ++use_nonblock) + { + int flags = 0; + if (use_random) + flags |= GRND_RANDOM; + if (use_nonblock) + flags |= GRND_NONBLOCK; + test_flags (flags); + } + return errors; +} + +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c" diff --git a/sysdeps/arm/nacl/libc.abilist b/sysdeps/arm/nacl/libc.abilist index 4d3b0b9..4aaf4e0 100644 --- a/sysdeps/arm/nacl/libc.abilist +++ b/sysdeps/arm/nacl/libc.abilist @@ -1843,6 +1843,8 @@ 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 __getrandom F +GLIBC_2.25 getrandom F GLIBC_2.25 gnu_dev_major F GLIBC_2.25 gnu_dev_makedev F GLIBC_2.25 gnu_dev_minor F diff --git a/sysdeps/unix/syscalls.list b/sysdeps/unix/syscalls.list index 2254c76..7eba840 100644 --- a/sysdeps/unix/syscalls.list +++ b/sysdeps/unix/syscalls.list @@ -100,3 +100,4 @@ utimes - utimes i:sp __utimes utimes vhangup - vhangup i:i vhangup write - write Ci:ibn __libc_write __write write writev - writev Ci:ipi __writev writev +getrandom - getrandom Ci:bni __getrandom getrandom diff --git a/sysdeps/unix/sysv/linux/aarch64/libc.abilist b/sysdeps/unix/sysv/linux/aarch64/libc.abilist index 2c2f49e..3391671 100644 --- a/sysdeps/unix/sysv/linux/aarch64/libc.abilist +++ b/sysdeps/unix/sysv/linux/aarch64/libc.abilist @@ -2090,3 +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 __getrandom F +GLIBC_2.25 getrandom F diff --git a/sysdeps/unix/sysv/linux/alpha/libc.abilist b/sysdeps/unix/sysv/linux/alpha/libc.abilist index 8afba47..8e644d4 100644 --- a/sysdeps/unix/sysv/linux/alpha/libc.abilist +++ b/sysdeps/unix/sysv/linux/alpha/libc.abilist @@ -2001,6 +2001,8 @@ 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 __getrandom F +GLIBC_2.25 getrandom F GLIBC_2.3 GLIBC_2.3 A GLIBC_2.3 __ctype_b_loc F GLIBC_2.3 __ctype_tolower_loc F diff --git a/sysdeps/unix/sysv/linux/arm/libc.abilist b/sysdeps/unix/sysv/linux/arm/libc.abilist index de3bdf4..b9dcb6e 100644 --- a/sysdeps/unix/sysv/linux/arm/libc.abilist +++ b/sysdeps/unix/sysv/linux/arm/libc.abilist @@ -91,6 +91,8 @@ 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 __getrandom F +GLIBC_2.25 getrandom F GLIBC_2.4 GLIBC_2.4 A GLIBC_2.4 _Exit F GLIBC_2.4 _IO_2_1_stderr_ D 0xa0 diff --git a/sysdeps/unix/sysv/linux/hppa/libc.abilist b/sysdeps/unix/sysv/linux/hppa/libc.abilist index 3261b93..801dfcd 100644 --- a/sysdeps/unix/sysv/linux/hppa/libc.abilist +++ b/sysdeps/unix/sysv/linux/hppa/libc.abilist @@ -1855,6 +1855,8 @@ 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 __getrandom F +GLIBC_2.25 getrandom F GLIBC_2.3 GLIBC_2.3 A GLIBC_2.3 __ctype_b_loc F GLIBC_2.3 __ctype_tolower_loc F diff --git a/sysdeps/unix/sysv/linux/i386/libc.abilist b/sysdeps/unix/sysv/linux/i386/libc.abilist index 6465a55..7d95380 100644 --- a/sysdeps/unix/sysv/linux/i386/libc.abilist +++ b/sysdeps/unix/sysv/linux/i386/libc.abilist @@ -2013,6 +2013,8 @@ 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 __getrandom F +GLIBC_2.25 getrandom F GLIBC_2.3 GLIBC_2.3 A GLIBC_2.3 __ctype_b_loc F GLIBC_2.3 __ctype_tolower_loc F diff --git a/sysdeps/unix/sysv/linux/ia64/libc.abilist b/sysdeps/unix/sysv/linux/ia64/libc.abilist index 4536271..4866c40 100644 --- a/sysdeps/unix/sysv/linux/ia64/libc.abilist +++ b/sysdeps/unix/sysv/linux/ia64/libc.abilist @@ -1877,6 +1877,8 @@ 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 __getrandom F +GLIBC_2.25 getrandom F GLIBC_2.3 GLIBC_2.3 A GLIBC_2.3 __ctype_b_loc F GLIBC_2.3 __ctype_tolower_loc F diff --git a/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist b/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist index 287d7a5..ee17be3 100644 --- a/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist +++ b/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist @@ -92,6 +92,8 @@ 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 __getrandom F +GLIBC_2.25 getrandom F GLIBC_2.4 GLIBC_2.4 A GLIBC_2.4 _Exit F GLIBC_2.4 _IO_2_1_stderr_ D 0x98 diff --git a/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist b/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist index c9229fa..5fb5476 100644 --- a/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist +++ b/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist @@ -1969,6 +1969,8 @@ 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 __getrandom F +GLIBC_2.25 getrandom F GLIBC_2.3 GLIBC_2.3 A GLIBC_2.3 __ctype_b_loc F GLIBC_2.3 __ctype_tolower_loc F diff --git a/sysdeps/unix/sysv/linux/microblaze/libc.abilist b/sysdeps/unix/sysv/linux/microblaze/libc.abilist index 0409791..02a5b9b 100644 --- a/sysdeps/unix/sysv/linux/microblaze/libc.abilist +++ b/sysdeps/unix/sysv/linux/microblaze/libc.abilist @@ -2090,3 +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 __getrandom F +GLIBC_2.25 getrandom F diff --git a/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist index f31653e..061135d 100644 --- a/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist +++ b/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist @@ -1944,6 +1944,8 @@ 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 __getrandom F +GLIBC_2.25 getrandom F GLIBC_2.3 GLIBC_2.3 A GLIBC_2.3 __ctype_b_loc F GLIBC_2.3 __ctype_tolower_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 a56bd99..8a89e9b 100644 --- a/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist +++ b/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist @@ -1942,6 +1942,8 @@ 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 __getrandom F +GLIBC_2.25 getrandom F GLIBC_2.3 GLIBC_2.3 A GLIBC_2.3 __ctype_b_loc F GLIBC_2.3 __ctype_tolower_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 44552df..e537ed5 100644 --- a/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist +++ b/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist @@ -1940,6 +1940,8 @@ 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 __getrandom F +GLIBC_2.25 getrandom F GLIBC_2.3 GLIBC_2.3 A GLIBC_2.3 __ctype_b_loc F GLIBC_2.3 __ctype_tolower_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 8d2a09d..a20eb60 100644 --- a/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist +++ b/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist @@ -1935,6 +1935,8 @@ 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 __getrandom F +GLIBC_2.25 getrandom F GLIBC_2.3 GLIBC_2.3 A GLIBC_2.3 __ctype_b_loc F GLIBC_2.3 __ctype_tolower_loc F diff --git a/sysdeps/unix/sysv/linux/nios2/libc.abilist b/sysdeps/unix/sysv/linux/nios2/libc.abilist index 0443b92..3deb0ef 100644 --- a/sysdeps/unix/sysv/linux/nios2/libc.abilist +++ b/sysdeps/unix/sysv/linux/nios2/libc.abilist @@ -2131,3 +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 __getrandom F +GLIBC_2.25 getrandom F diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist index ba9a29a..0ae9e63 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist @@ -1973,6 +1973,8 @@ 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 __getrandom F +GLIBC_2.25 getrandom F GLIBC_2.3 GLIBC_2.3 A GLIBC_2.3 __ctype_b_loc F GLIBC_2.3 __ctype_tolower_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 f19534c..46a8f66 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist @@ -1978,6 +1978,8 @@ 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 __getrandom F +GLIBC_2.25 getrandom F GLIBC_2.3 GLIBC_2.3 A GLIBC_2.3 __ctype_b_loc F GLIBC_2.3 __ctype_tolower_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 f8de1ab..450ce7a 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/libc-le.abilist +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/libc-le.abilist @@ -2178,3 +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 __getrandom F +GLIBC_2.25 getrandom F diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc64/libc.abilist index 6819133..51c40d6 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/libc.abilist +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/libc.abilist @@ -92,6 +92,8 @@ 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 __getrandom F +GLIBC_2.25 getrandom F GLIBC_2.3 GLIBC_2.3 A GLIBC_2.3 _Exit F GLIBC_2.3 _IO_2_1_stderr_ D 0xe0 diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist b/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist index 4cd5d85..7b681cf 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist +++ b/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist @@ -1973,6 +1973,8 @@ 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 __getrandom F +GLIBC_2.25 getrandom F GLIBC_2.3 GLIBC_2.3 A GLIBC_2.3 __ctype_b_loc F GLIBC_2.3 __ctype_tolower_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 8cdb9df..9171eb3 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist +++ b/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist @@ -1874,6 +1874,8 @@ 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 __getrandom F +GLIBC_2.25 getrandom F GLIBC_2.3 GLIBC_2.3 A GLIBC_2.3 __ctype_b_loc F GLIBC_2.3 __ctype_tolower_loc F diff --git a/sysdeps/unix/sysv/linux/sh/libc.abilist b/sysdeps/unix/sysv/linux/sh/libc.abilist index 69791b4..52e62ab 100644 --- a/sysdeps/unix/sysv/linux/sh/libc.abilist +++ b/sysdeps/unix/sysv/linux/sh/libc.abilist @@ -1859,6 +1859,8 @@ 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 __getrandom F +GLIBC_2.25 getrandom F GLIBC_2.3 GLIBC_2.3 A GLIBC_2.3 __ctype_b_loc F GLIBC_2.3 __ctype_tolower_loc F diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist b/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist index fce58a8..6a9377e 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist +++ b/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist @@ -1965,6 +1965,8 @@ 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 __getrandom F +GLIBC_2.25 getrandom F GLIBC_2.3 GLIBC_2.3 A GLIBC_2.3 __ctype_b_loc F GLIBC_2.3 __ctype_tolower_loc F diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist b/sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist index 16ce739..0a05eb7 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist +++ b/sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist @@ -1903,6 +1903,8 @@ 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 __getrandom F +GLIBC_2.25 getrandom F GLIBC_2.3 GLIBC_2.3 A GLIBC_2.3 __ctype_b_loc F GLIBC_2.3 __ctype_tolower_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 f99c298..287878b 100644 --- a/sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libc.abilist +++ b/sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libc.abilist @@ -2097,3 +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 __getrandom F +GLIBC_2.25 getrandom F diff --git a/sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libc.abilist b/sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libc.abilist index c601ab0..5a699d1 100644 --- a/sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libc.abilist +++ b/sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libc.abilist @@ -2097,3 +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 __getrandom F +GLIBC_2.25 getrandom F diff --git a/sysdeps/unix/sysv/linux/tile/tilepro/libc.abilist b/sysdeps/unix/sysv/linux/tile/tilepro/libc.abilist index f99c298..287878b 100644 --- a/sysdeps/unix/sysv/linux/tile/tilepro/libc.abilist +++ b/sysdeps/unix/sysv/linux/tile/tilepro/libc.abilist @@ -2097,3 +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 __getrandom F +GLIBC_2.25 getrandom F diff --git a/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist b/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist index 8e6fa57..9780991 100644 --- a/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist +++ b/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist @@ -1854,6 +1854,8 @@ 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 __getrandom F +GLIBC_2.25 getrandom F GLIBC_2.3 GLIBC_2.3 A GLIBC_2.3 __ctype_b_loc F GLIBC_2.3 __ctype_tolower_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 1e12f48..1118998 100644 --- a/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist +++ b/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist @@ -2097,3 +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 __getrandom F +GLIBC_2.25 getrandom F