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* CVE-2013-2207, BZ #15755: Disable pt_chown.Carlos O'Donell2013-07-211-0/+21
| | | | | | | | | | | | | | | | | | | | | | | The helper binary pt_chown tricked into granting access to another user's pseudo-terminal. Pre-conditions for the attack: * Attacker with local user account * Kernel with FUSE support * "user_allow_other" in /etc/fuse.conf * Victim with allocated slave in /dev/pts Using the setuid installed pt_chown and a weak check on whether a file descriptor is a tty, an attacker could fake a pty check using FUSE and trick pt_chown to grant ownership of a pty descriptor that the current user does not own. It cannot access /dev/pts/ptmx however. In most modern distributions pt_chown is not needed because devpts is enabled by default. The fix for this CVE is to disable building and using pt_chown by default. We still provide a configure option to enable hte use of pt_chown but distributions do so at their own risk.
* Update Sparc ULPs.David S. Miller2013-07-201-0/+5
| | | | | * sysdeps/sparc/fpu/libm-test-ulps: Update ULPs to handle minor difference between 32-bit and 64-bit.
* BZ #15711: Avoid circular dependency for syscall.hCarlos O'Donell2013-07-161-0/+7
| | | | | | | | | | | | | | | | | | The generated header is compiled with `-ffreestanding' to avoid any circular dependencies against the installed implementation headers. Such a dependency would require the implementation header to be installed before the generated header could be built (See bug 15711). In current practice the generated header dependencies do not include any of the implementation headers removed by the use of `-ffreestanding'. --- 2013-07-15 Carlos O'Donell <carlos@redhat.com> [BZ #15711] * sysdeps/unix/sysv/linux/Makefile ($(objpfx)bits/syscall%h): Avoid system header dependency with -ffreestanding. ($(objpfx)bits/syscall%d): Likewise.
* Annotate more cases of math bug 15319.David S. Miller2013-07-131-0/+6
| | | | | | * math/libm-test.inc (casin_test_data): Annotate more cases of missing underflows from atanl/atan2l due to bug 15319. (casinh_test_data): Likewise.
* Full from-scratch rebuild of sparc ULPs.David S. Miller2013-07-071-0/+4
| | | | * sysdeps/sparc/fpu/libm-test-ulps: Regenerate from scratch.
* Update x86 and x86_64 ulps on AMD FX-8350 with GCC 4.8.1.Jeroen Albers2013-07-051-0/+5
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* Fix lock elision help text in INSTALL and configureSiddhesh Poyarekar2013-07-041-0/+6
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* Update powerpc-fpu ULPs.Adhemerval Zanella2013-07-041-0/+4
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* Sync sys/ptrace with Linux 3.10Andreas Jaeger2013-07-041-0/+11
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* Update i386 ULPs.Allan McRae2013-07-031-0/+4
| | | | * sysdeps/i386/fpu/libm-test-ulps: Update.
* Update sparc ULPs.David S. Miller2013-07-021-0/+4
| | | | * sysdeps/sparc/fpu/libm-test-ulps: Update.
* Update x86_64 ULPs.Markus Trippelsdorf2013-07-021-0/+4
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* Regenerate x86 and x86_64 ulps.Joseph Myers2013-07-021-0/+5
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* Add a configure option to enable lock elision and disable by defaultAndi Kleen2013-07-021-0/+8
| | | | Can be enabled with --enable-lock-elision=yes at configure time.
* Enable static 32-bit SSE4.2 strcasecmp/strncasecmpH.J. Lu2013-07-021-0/+6
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* Implement fma in soft-fp.Joseph Myers2013-07-021-0/+51
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* Skip SSE4.2 versions on Intel SilvermontLiubov Dmitrieva2013-06-281-0/+14
| | | | SSE2/SSSE3 versions are faster than SSE4.2 versions on Intel Silvermont.
* PowerPC: Define AT_HWCAP2 bits and AT_HWCAP2 handling for POWER8.Ryan S. Arnold2013-06-281-0/+18
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* Add GLRO(dl_hwcap2) for new AT_HWCAP2 auxv_t a_type.Ryan S. Arnold2013-06-281-0/+25
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* Consistently use page_shift in sysdeps/unix/sysv/linux/mmap64.c.Joseph Myers2013-06-281-0/+5
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* Test for mprotect failure in dl-load.c (bug 12492).Pierre Ynard2013-06-281-0/+6
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* Mark packed structure element used with atomic operation aligned.Nathan Froyd2013-06-281-0/+6
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* Add a dlopen/getpagesize static executable test.Maciej W. Rozycki2013-06-281-0/+8
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* [BZ #15022] Correct global-scope dlopen issues in static executables.Maciej W. Rozycki2013-06-281-0/+23
| | | | | | | | This change creates a link map in static executables to serve as the global search list for dlopen. It fixes a problem with the inability to access the global symbol object and a crash on an attempt to map a DSO into the global scope. Some code that has become dead after the addition of this link map is removed too and test cases are provided.
* Require GCC 4.4 or later to build glibc.Joseph Myers2013-06-261-0/+8
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* Add a test for BZ #15674H.J. Lu2013-06-261-0/+3
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* Fix buffers overrun in x86_64 memcmp-ssse3.SLiubov Dmitrieva2013-06-261-0/+5
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* [BZ #15022] Avoid repeated calls to DL_STATIC_INIT for the same module.Maciej W. Rozycki2013-06-261-0/+7
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* Add AT_HWCAP2 as a new auxv_t a_type to elf.h.Ryan S. Arnold2013-06-261-0/+4
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* drop NEWS mentionMike Frysinger2013-06-251-1/+0
| | | | Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* Fix missing libc-internal.h include.Richard Henderson2013-06-251-0/+4
| | | | * locale/programs/locarchive.c: Include <libc-internal.h>
* Update texinfo.tex.Joseph Myers2013-06-251-0/+5
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* [BZ #10283] localedef: align fixed maps to SHMLBAMike Frysinger2013-06-241-0/+22
| | | | | | | | | | | | Many Linux arches require fixed mmaps to be aligned higher than pagesize, so use the SHMLBA define as it represents this quantity exactly. This fixes spurious errors seen on those arches like: cannot map archive header: Invalid argument URL: http://sourceware.org/bugzilla/show_bug.cgi?id=10283 Reported-by: CHIKAMA Masaki <masaki.chikama@gmail.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* libc-internal.h: add ALIGN helper macrosMike Frysinger2013-06-241-0/+7
| | | | | | | Rather than open coding the masks, add helper macros to do the magic. This makes code easier to read. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* PowerPC: Enable POWER8 platform sans hwcap bits.Ryan S. Arnold2013-06-241-0/+18
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* Regenerate INSTALL fileSiddhesh Poyarekar2013-06-241-0/+2
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* Fix typo in commentSiddhesh Poyarekar2013-06-241-0/+4
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* Include <string.h> in sysdeps/unix/sysv/linux/libc_fatal.c.Joseph Myers2013-06-221-0/+2
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* Fix soft-fp shadowing between __FP_FRAC_ADD_3 and _FP_MUL_MEAT_2_wide_3mul ↵Joseph Myers2013-06-221-0/+6
| | | | (bug 15667).
* Remove dead DL_DST_REQ_STATIC code.Maciej W. Rozycki2013-06-221-0/+6
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* Fix bad shift in soft-fp (bug 7006).Joseph Myers2013-06-211-0/+6
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* dlfcn/Makefile: Avoid repeated $(*-ENV) definitions.Maciej W. Rozycki2013-06-211-0/+5
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* Add sh4 implementation of fegetexceptflag.Kaz Kojima2013-06-211-0/+5
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* Fix loop construction to functions callsAdhemerval Zanella2013-06-201-0/+16
| | | | | | Check wheter the compiler has the option -fno-tree-loop-distribute-patterns to inhibit loop transformation to library calls and uses it on memset and memmove default implementation to avoid recursive calls.
* Allow fesetround failures in math/test-misc.c if ROUNDING_TESTS fails.Joseph Myers2013-06-201-0/+3
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* Avoid spurious failures from <fenv.h> fallback functions (bug 15654).Joseph Myers2013-06-201-0/+16
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* Use rtld-CPPFLAGS in rtld-%.os rules for generated sources.Roland McGrath2013-06-181-0/+6
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* PowerPC: Reserve TCB space for EBB frameworkAdhemerval Zanella2013-06-171-0/+5
| | | | | This patch reserves four pointer to be used in future Event-Based Branch framework for PowerPC.
* Sort sysd-rules-patterns by descending pattern length.Roland McGrath2013-06-171-0/+6
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* Rewrite sysd-rules generation using an awk script.Roland McGrath2013-06-171-0/+8
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