* [Bug math/14155] Spurious underflow exceptions from Bessel functions
2012-05-24 0:20 [Bug math/14155] New: Spurious underflow exception from jnf jsm28 at gcc dot gnu.org
@ 2012-05-24 0:24 ` jsm28 at gcc dot gnu.org
2012-06-13 21:20 ` jsm28 at gcc dot gnu.org
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From: jsm28 at gcc dot gnu.org @ 2012-05-24 0:24 UTC (permalink / raw)
To: glibc-bugs
http://sourceware.org/bugzilla/show_bug.cgi?id=14155
Joseph Myers <jsm28 at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|Spurious underflow |Spurious underflow
|exception from jnf |exceptions from Bessel
| |functions
--- Comment #1 from Joseph Myers <jsm28 at gcc dot gnu.org> 2012-05-24 00:24:29 UTC ---
Spurious exceptions also arise from "double" functions:
j0 (0x1.d7ce3ap+107)
jn (2, 0x1.ffff62p+99)
y1 (0x1.27e204p+99)
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2012-05-24 0:20 [Bug math/14155] New: Spurious underflow exception from jnf jsm28 at gcc dot gnu.org
2012-05-24 0:24 ` [Bug math/14155] Spurious underflow exceptions from Bessel functions jsm28 at gcc dot gnu.org
@ 2012-06-13 21:20 ` jsm28 at gcc dot gnu.org
2013-03-14 17:50 ` jsm28 at gcc dot gnu.org
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To: glibc-bugs
http://sourceware.org/bugzilla/show_bug.cgi?id=14155
--- Comment #2 from Joseph Myers <jsm28 at gcc dot gnu.org> 2012-06-13 21:20:19 UTC ---
Several more failures seen for long double on powerpc (at least nofpu):
Failure: j0 (-0x1.001000001p+593) ==
-3.927269966354206207832593635798954916263e-90: Exception "Underflow" set
Failure: j1 (0x1.ff00000000002p+840) ==
1.846591691699331493194965158699937660696e-127: Exception "Underflow" set
Failure: y0 (0x1.ff00000000002p+840) ==
1.846591691699331493194965158699937660696e-127: Exception "Underflow" set
Failure: y1 (0x1.001000001p+593) ==
3.927269966354206207832593635798954916263e-90: Exception "Underflow" set
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^ permalink raw reply [flat|nested] 9+ messages in thread* [Bug math/14155] Spurious underflow exceptions from Bessel functions
2012-05-24 0:20 [Bug math/14155] New: Spurious underflow exception from jnf jsm28 at gcc dot gnu.org
2012-05-24 0:24 ` [Bug math/14155] Spurious underflow exceptions from Bessel functions jsm28 at gcc dot gnu.org
2012-06-13 21:20 ` jsm28 at gcc dot gnu.org
@ 2013-03-14 17:50 ` jsm28 at gcc dot gnu.org
2013-03-16 17:53 ` jsm28 at gcc dot gnu.org
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From: jsm28 at gcc dot gnu.org @ 2013-03-14 17:50 UTC (permalink / raw)
To: glibc-bugs
http://sourceware.org/bugzilla/show_bug.cgi?id=14155
--- Comment #3 from Joseph Myers <jsm28 at gcc dot gnu.org> 2013-03-14 17:49:41 UTC ---
Fixed for double (j0/j1/y0/y1 at least) by:
commit 41c7328e851ffc090dbbc4db707c0e8dfa0ae870
Author: Joseph Myers <joseph@codesourcery.com>
Date: Thu Mar 14 17:47:30 2013 +0000
Fix spurious underflow exceptions for Bessel functions for double (bug
14155).
Issues remain for float (for jnf, possibly other formats for jn/yn as well) and
ldbl-128/ldbl-128ibm.
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^ permalink raw reply [flat|nested] 9+ messages in thread* [Bug math/14155] Spurious underflow exceptions from Bessel functions
2012-05-24 0:20 [Bug math/14155] New: Spurious underflow exception from jnf jsm28 at gcc dot gnu.org
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From: jsm28 at gcc dot gnu.org @ 2013-03-16 17:53 UTC (permalink / raw)
To: glibc-bugs
http://sourceware.org/bugzilla/show_bug.cgi?id=14155
--- Comment #4 from Joseph Myers <jsm28 at gcc dot gnu.org> 2013-03-16 17:53:34 UTC ---
Fixed for long double by:
commit 2a185d32e830589bf9ae50f9243bb304f84b110b
Author: Joseph Myers <joseph@codesourcery.com>
Date: Sat Mar 16 17:50:28 2013 +0000
Fix spurious underflow exceptions for Bessel functions for ldbl-128 /
ldbl-128ibm (bug 14155).
Float jnf and possibly related cases remain.
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2012-05-24 0:20 [Bug math/14155] New: Spurious underflow exception from jnf jsm28 at gcc dot gnu.org
` (3 preceding siblings ...)
2013-03-16 17:53 ` jsm28 at gcc dot gnu.org
@ 2013-09-02 14:52 ` jsm28 at gcc dot gnu.org
2013-11-01 19:01 ` cvs-commit at gcc dot gnu.org
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From: jsm28 at gcc dot gnu.org @ 2013-09-02 14:52 UTC (permalink / raw)
To: glibc-bugs
https://sourceware.org/bugzilla/show_bug.cgi?id=14155
Joseph Myers <jsm28 at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
--- Comment #5 from Joseph Myers <jsm28 at gcc dot gnu.org> ---
Remaining cases fixed for 2.19 by:
commit b7835e3223de60d3f5bf1fed66468b5052cd595f
Author: Joseph Myers <joseph@codesourcery.com>
Date: Mon Sep 2 14:51:24 2013 +0000
Fix spurious jnf underflows (bug 14155).
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2012-05-24 0:20 [Bug math/14155] New: Spurious underflow exception from jnf jsm28 at gcc dot gnu.org
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2014-06-13 10:48 ` fweimer at redhat dot com
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--- Comment #6 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=dc3a1f98dc4c86cb454474f4912ae325573655cb
commit dc3a1f98dc4c86cb454474f4912ae325573655cb
Author: Adhemerval Zanella <azanella@linux.vnet.ibm.com>
Date: Wed Sep 25 13:43:04 2013 -0500
PowerPC: Fix POINTER_CHK_GUARD thread register for PPC64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e20644b3a6f96eb053ab4c2c900f7bef7f472916
commit e20644b3a6f96eb053ab4c2c900f7bef7f472916
Author: Will Newton <will.newton@linaro.org>
Date: Fri Sep 13 09:26:02 2013 +0100
Add CVE-2013-4332 to NEWS.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c51d675c459aefef8d84d5a0b114010f916ea278
commit c51d675c459aefef8d84d5a0b114010f916ea278
Author: Will Newton <will.newton@linaro.org>
Date: Fri Aug 16 12:54:29 2013 +0100
malloc: Check for integer overflow in memalign.
A large bytes parameter to memalign could cause an integer overflow
and corrupt allocator internals. Check the overflow does not occur
before continuing with the allocation.
ChangeLog:
2013-09-11 Will Newton <will.newton@linaro.org>
[BZ #15857]
* malloc/malloc.c (__libc_memalign): Check the value of bytes
does not overflow.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=6a6a386a3040726053a5fb8582ff26dc85d84741
commit 6a6a386a3040726053a5fb8582ff26dc85d84741
Author: Will Newton <will.newton@linaro.org>
Date: Fri Aug 16 11:59:37 2013 +0100
malloc: Check for integer overflow in valloc.
A large bytes parameter to valloc could cause an integer overflow
and corrupt allocator internals. Check the overflow does not occur
before continuing with the allocation.
ChangeLog:
2013-09-11 Will Newton <will.newton@linaro.org>
[BZ #15856]
* malloc/malloc.c (__libc_valloc): Check the value of bytes
does not overflow.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7e0e64ead52591b968df582b0ddc247ba5c4eab4
commit 7e0e64ead52591b968df582b0ddc247ba5c4eab4
Author: Will Newton <will.newton@linaro.org>
Date: Mon Aug 12 15:08:02 2013 +0100
malloc: Check for integer overflow in pvalloc.
A large bytes parameter to pvalloc could cause an integer overflow
and corrupt allocator internals. Check the overflow does not occur
before continuing with the allocation.
ChangeLog:
2013-09-11 Will Newton <will.newton@linaro.org>
[BZ #15855]
* malloc/malloc.c (__libc_pvalloc): Check the value of bytes
does not overflow.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c779e9df75256f19c7be8d12b2d163e2016a63f4
commit c779e9df75256f19c7be8d12b2d163e2016a63f4
Author: Carlos O'Donell <carlos@redhat.com>
Date: Mon Sep 23 00:52:09 2013 -0400
BZ #15754: CVE-2013-4788
The pointer guard used for pointer mangling was not initialized for
static applications resulting in the security feature being disabled.
The pointer guard is now correctly initialized to a random value for
static applications. Existing static applications need to be
recompiled to take advantage of the fix.
The test tst-ptrguard1-static and tst-ptrguard1 add regression
coverage to ensure the pointer guards are sufficiently random
and initialized to a default value.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c4733da3f8e4c54e30f048c9e8d2b2fe2f53fd24
commit c4733da3f8e4c54e30f048c9e8d2b2fe2f53fd24
Author: Siddhesh Poyarekar <siddhesh@redhat.com>
Date: Mon Sep 23 11:24:30 2013 +0530
Check for integer overflow in cache size computation in strcoll
strcoll is implemented using a cache for indices and weights of
collation sequences in the strings so that subsequent passes do not
have to search through collation data again. For very large string
inputs, the cache size computation could overflow. In such a case,
use the fallback function that does not cache indices and weights of
collation sequences.
Fixes CVE-2012-4412.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b8053c6138c8835fb27d30c7e034e240e92bce0f
commit b8053c6138c8835fb27d30c7e034e240e92bce0f
Author: Siddhesh Poyarekar <siddhesh@redhat.com>
Date: Mon Sep 23 11:20:02 2013 +0530
Fall back to non-cached sequence traversal and comparison on malloc fail
strcoll currently falls back to alloca if malloc fails, resulting in a
possible stack overflow. This patch implements sequence traversal and
comparison without caching indices and rules.
Fixes CVE-2012-4424.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=37d4728976aea69db23a061830828787a2fd05ed
commit 37d4728976aea69db23a061830828787a2fd05ed
Author: Siddhesh Poyarekar <siddhesh@redhat.com>
Date: Tue Aug 20 08:40:05 2013 +0530
Simplify strcoll implementation
Break up strcoll into simpler functions so that the logic is easier to
follow and maintain.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1034d41c8fe7b31ba8ba304d1fff93cecb183520
commit 1034d41c8fe7b31ba8ba304d1fff93cecb183520
Author: Andreas Schwab <schwab@suse.de>
Date: Thu Oct 31 12:51:03 2013 +0100
Fix parsing of 0e+0 as float
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3874aa022b6f0f9aca9ad1ef703a77be1bc97b36
commit 3874aa022b6f0f9aca9ad1ef703a77be1bc97b36
Author: Adhemerval Zanella <azanella@linux.vnet.ibm.com>
Date: Thu Sep 26 09:29:19 2013 -0500
PowerPC: strcpy/stpcpy optimization for PPC64/POWER7
This patch intends to unify both strcpy and stpcpy implementationsi
for PPC64 and PPC64/POWER7. The idead default powerpc64 implementation
is to provide both doubleword and word aligned memory access.
For PPC64/POWER7 is also provide doubleword and word memory access,
remove the branch hints, use the cmpb instruction for compare
doubleword/words, and add an optimization for inputs of same alignment.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=6f95434fd488e9b72117f9b93ec2e2dbf397a4d3
commit 6f95434fd488e9b72117f9b93ec2e2dbf397a4d3
Author: Siddhesh Poyarekar <siddhesh@redhat.com>
Date: Fri Oct 25 10:22:12 2013 +0530
Fix stack overflow due to large AF_INET6 requests
Resolves #16072 (CVE-2013-4458).
This patch fixes another stack overflow in getaddrinfo when it is
called with AF_INET6. The AF_UNSPEC case was fixed as CVE-2013-1914,
but the AF_INET6 case went undetected back then.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4a3abd22ecbda2d7b718b133fae2d2abfdfab614
commit 4a3abd22ecbda2d7b718b133fae2d2abfdfab614
Author: Joseph Myers <joseph@codesourcery.com>
Date: Thu Oct 10 19:11:30 2013 +0000
Avoid ordered comparisons of NaNs in ldbl-128ibm acosl and asinl.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d1aac9a6ff01c226c42bb934c170dd1c00ba8071
commit d1aac9a6ff01c226c42bb934c170dd1c00ba8071
Author: Anton Blanchard <anton@au1.ibm.com>
Date: Sat Aug 17 18:34:40 2013 +0930
PowerPC LE setjmp/longjmp
http://sourceware.org/ml/libc-alpha/2013-08/msg00089.html
Little-endian fixes for setjmp/longjmp. When writing these I noticed
the setjmp code corrupts the non volatile VMX registers when using an
unaligned buffer. Anton fixed this, and also simplified it quite a
bit.
The current code uses boilerplate for the case where we want to store
16 bytes to an unaligned address. For that we have to do a
read/modify/write of two aligned 16 byte quantities. In our case we
are storing a bunch of back to back data (consective VMX registers),
and only the start and end of the region need the read/modify/write.
[BZ #15723]
* sysdeps/powerpc/jmpbuf-offsets.h: Comment fix.
* sysdeps/powerpc/powerpc32/fpu/__longjmp-common.S: Correct
_dl_hwcap access for little-endian.
* sysdeps/powerpc/powerpc32/fpu/setjmp-common.S: Likewise. Don't
destroy vmx regs when saving unaligned.
* sysdeps/powerpc/powerpc64/__longjmp-common.S: Correct CR load.
* sysdeps/powerpc/powerpc64/setjmp-common.S: Likewise CR save. Don't
destroy vmx regs when saving unaligned.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=860ec8e62a01a9c9e5087aa4cfd3b5e03fc7649b
commit 860ec8e62a01a9c9e5087aa4cfd3b5e03fc7649b
Author: Siddhesh Poyarekar <siddhesh@redhat.com>
Date: Tue Oct 1 20:35:28 2013 +0530
Fix PI mutex check in pthread_cond_broadcast and pthread_cond_signal
Fixes BZ #15988.
The check had a typo - it checked for PTHREAD_MUTEX_ROBUST_NP instead
of PTHREAD_MUTEX_ROBUST_NORMAL_NP. It has now been replaced by the
already existing convenience macro USE_REQUEUE_PI.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3f71830d35d7bf4ac11664f0c48c3c68d250618b
commit 3f71830d35d7bf4ac11664f0c48c3c68d250618b
Author: Allan McRae <allan@archlinux.org>
Date: Mon Sep 9 22:52:58 2013 +1000
Fix memory leak in stdlib/isomac.c
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8e395175c4786ad9679851e3ed3c0c54a6f4e1f0
commit 8e395175c4786ad9679851e3ed3c0c54a6f4e1f0
Author: Allan McRae <allan@archlinux.org>
Date: Mon Sep 9 22:50:41 2013 +1000
Fix memory leaks in libio on allocation failure
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b51679672648410c6627a4bd169e076c5b36f47b
commit b51679672648410c6627a4bd169e076c5b36f47b
Author: Adhemerval Zanella <azanella@linux.vnet.ibm.com>
Date: Thu Sep 5 09:32:56 2013 -0500
PowerPC: fix POWER7 memrchr for some large inputs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a4faadaff25e19abf295556a23b7b889b4bf6df4
commit a4faadaff25e19abf295556a23b7b889b4bf6df4
Author: Adhemerval Zanella <azanella@linux.vnet.ibm.com>
Date: Thu Aug 29 15:28:00 2013 -0300
Add memrchr testcase
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b502a3756d6979439130f1e46c2c27b62f493acd
commit b502a3756d6979439130f1e46c2c27b62f493acd
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Sep 3 15:32:54 2013 +0000
Fix lgammaf spurious underflow (bug 15427).
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b3c7503940022f70ec8272c2c0d0a0e4489ae992
commit b3c7503940022f70ec8272c2c0d0a0e4489ae992
Author: Joseph Myers <joseph@codesourcery.com>
Date: Mon Sep 2 14:51:24 2013 +0000
Fix spurious jnf underflows (bug 14155).
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e53103749c19199b0ec23e8a5b330dd2e288f5ac
commit e53103749c19199b0ec23e8a5b330dd2e288f5ac
Author: Thomas Schwinge <thomas@codesourcery.com>
Date: Thu May 23 18:00:10 2013 +0200
[BZ #15522] strtod ("nan(N)") returning a sNaN in some cases
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=85ce5db8d835281c8beff6e750c02c799dee3f6f
commit 85ce5db8d835281c8beff6e750c02c799dee3f6f
Author: Joseph Myers <joseph@codesourcery.com>
Date: Fri Aug 23 19:45:38 2013 +0000
Fix cexp (NaN + i0) (bug 15532).
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c3a4bddd656561cfffba2605e148e65d4ff07e21
commit c3a4bddd656561cfffba2605e148e65d4ff07e21
Author: Joseph Myers <joseph@codesourcery.com>
Date: Wed Aug 21 19:56:48 2013 +0000
Fix fdim handling of infinities (bug 15797).
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1778fd0a17a74422a58d8eada3fa08b80f0a0c27
commit 1778fd0a17a74422a58d8eada3fa08b80f0a0c27
Author: Adhemerval Zanella <azanella@linux.vnet.ibm.com>
Date: Tue Aug 20 15:01:59 2013 -0500
PowerPC: fix backtrace to handle signal trampolines
This patch fixes backtrace for PPC32 and PPC64 to correctly handle
signal trampolines. The 'debug/tst-backtrace6.c' also check for
SA_SIGINFO handling, where is triggers another vDSO symbols for PPC32.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8df86a8394d0ea121f2066efe618f2b1cc799be3
commit 8df86a8394d0ea121f2066efe618f2b1cc799be3
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Aug 20 19:41:15 2013 +0000
Fix cproj handling of (finite, NaN) arguments (bug 15531).
backport of c980f2f4fe0f5d301f706017a1f7e4e942193ec0
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f8a004f1fa412e3aae77faa30b4dfb654d721510
commit f8a004f1fa412e3aae77faa30b4dfb654d721510
Author: Andreas Arnez <arnez@linux.vnet.ibm.com>
Date: Thu Oct 31 09:57:33 2013 -0500
* elf/setup-vdso.h (setup_vdso): Fix missing string termination.
backport of f315524e034cfc644157cb4af5ecc99f645dd067
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f166b9c6e90d631115c59b4357357bc168d8e51a
commit f166b9c6e90d631115c59b4357357bc168d8e51a
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Oct 31 09:55:52 2013 -0500
CVE-2013-4237, BZ #14699: Buffer overflow in readdir_r
* sysdeps/posix/dirstream.h (struct __dirstream): Add errcode
member.
* sysdeps/posix/opendir.c (__alloc_dir): Initialize errcode
member.
* sysdeps/posix/rewinddir.c (rewinddir): Reset errcode member.
* sysdeps/posix/readdir_r.c (__READDIR_R): Enforce NAME_MAX limit.
Return delayed error code. Remove GETDENTS_64BIT_ALIGNED
conditional.
* sysdeps/unix/sysv/linux/wordsize-64/readdir_r.c: Do not define
GETDENTS_64BIT_ALIGNED.
* sysdeps/unix/sysv/linux/i386/readdir64_r.c: Likewise.
* manual/filesys.texi (Reading/Closing Directory): Document
ENAMETOOLONG return value of readdir_r. Recommend readdir more
strongly.
* manual/conf.texi (Limits for Files): Add portability note to
NAME_MAX, PATH_MAX.
(Pathconf): Add portability note for _PC_NAME_MAX, _PC_PATH_MAX.
backport of 91ce40854d0b7f865cf5024ef95a8026b76096f3
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 204 +++++
NEWS | 57 ++-
csu/libc-start.c | 16 +
elf/Makefile | 9 +-
elf/setup-vdso.h | 2 +-
elf/tst-ptrguard1-static.c | 1 +
elf/tst-ptrguard1.c | 202 +++++
libio/memstream.c | 5 +-
libio/wmemstream.c | 6 +-
malloc/malloc.c | 21 +
manual/conf.texi | 9 +
manual/filesys.texi | 73 ++-
math/libm-test.inc | 175 ++++-
math/s_cexp.c | 14 +-
math/s_cexpf.c | 14 +-
math/s_cexpl.c | 14 +-
math/s_cproj.c | 4 +-
math/s_cprojf.c | 4 +-
math/s_cprojl.c | 4 +-
math/s_fdim.c | 8 +-
math/s_fdimf.c | 8 +-
math/s_fdiml.c | 8 +-
nptl/ChangeLog | 9 +
nptl/pthread_cond_broadcast.c | 5 +-
nptl/pthread_cond_signal.c | 7 +-
ports/ChangeLog.ia64 | 5 +
ports/ChangeLog.tile | 5 +
ports/sysdeps/ia64/stackguard-macros.h | 3 +
ports/sysdeps/tile/stackguard-macros.h | 6 +
stdio-common/tst-sscanf.c | 34 +
stdio-common/vfscanf.c | 2 +
stdlib/isomac.c | 1 +
stdlib/strtod_l.c | 9 +-
stdlib/strtof_l.c | 7 +-
stdlib/tst-strtod6.c | 24 +-
string/Makefile | 4 +-
string/strcoll_l.c | 926 +++++++++++++----------
string/test-memrchr-ifunc.c | 20 +
string/test-memrchr.c | 169 ++++
string/tst-strcoll-overflow.c | 61 ++
sysdeps/generic/stackguard-macros.h | 3 +
sysdeps/i386/fpu/libm-test-ulps | 72 ++-
sysdeps/i386/stackguard-macros.h | 8 +
sysdeps/ieee754/flt-32/e_jnf.c | 4 +-
sysdeps/ieee754/flt-32/e_lgammaf_r.c | 4 +-
sysdeps/ieee754/ldbl-128/strtold_l.c | 12 +-
sysdeps/ieee754/ldbl-128ibm/e_acosl.c | 8 +-
sysdeps/ieee754/ldbl-128ibm/e_asinl.c | 2 +
sysdeps/ieee754/ldbl-128ibm/ieee754.h | 19 +
sysdeps/ieee754/ldbl-128ibm/s_cprojl.c | 4 +-
sysdeps/ieee754/ldbl-128ibm/strtold_l.c | 9 +-
sysdeps/ieee754/ldbl-64-128/strtold_l.c | 12 +-
sysdeps/ieee754/ldbl-96/strtold_l.c | 9 +-
sysdeps/posix/dirstream.h | 2 +
sysdeps/posix/getaddrinfo.c | 20 +-
sysdeps/posix/opendir.c | 1 +
sysdeps/posix/readdir_r.c | 42 +-
sysdeps/posix/rewinddir.c | 1 +
sysdeps/powerpc/jmpbuf-offsets.h | 6 +-
sysdeps/powerpc/powerpc32/fpu/setjmp-common.S | 65 +-
sysdeps/powerpc/powerpc32/power7/memrchr.S | 4 +-
sysdeps/powerpc/powerpc32/stackguard-macros.h | 10 +
sysdeps/powerpc/powerpc64/__longjmp-common.S | 4 +-
sysdeps/powerpc/powerpc64/power7/memrchr.S | 4 +-
sysdeps/powerpc/powerpc64/power7/stpcpy.S | 24 +
sysdeps/powerpc/powerpc64/power7/strcpy.S | 274 +++++++
sysdeps/powerpc/powerpc64/setjmp-common.S | 72 +-
sysdeps/powerpc/powerpc64/stackguard-macros.h | 10 +
sysdeps/powerpc/powerpc64/stpcpy.S | 83 +--
sysdeps/powerpc/powerpc64/strcpy.S | 153 +++-
sysdeps/s390/s390-32/stackguard-macros.h | 11 +
sysdeps/s390/s390-64/stackguard-macros.h | 14 +
sysdeps/sparc/sparc32/stackguard-macros.h | 3 +
sysdeps/sparc/sparc64/stackguard-macros.h | 3 +
sysdeps/unix/sysv/linux/i386/readdir64_r.c | 1 -
sysdeps/unix/sysv/linux/wordsize-64/readdir_r.c | 1 -
sysdeps/x86_64/fpu/libm-test-ulps | 75 ++-
sysdeps/x86_64/stackguard-macros.h | 5 +
78 files changed, 2432 insertions(+), 777 deletions(-)
create mode 100644 elf/tst-ptrguard1-static.c
create mode 100644 elf/tst-ptrguard1.c
create mode 100644 string/test-memrchr-ifunc.c
create mode 100644 string/test-memrchr.c
create mode 100644 string/tst-strcoll-overflow.c
create mode 100644 sysdeps/powerpc/powerpc64/power7/stpcpy.S
create mode 100644 sysdeps/powerpc/powerpc64/power7/strcpy.S
--
You are receiving this mail because:
You are on the CC list for the bug.
^ permalink raw reply [flat|nested] 9+ messages in thread* [Bug math/14155] Spurious underflow exceptions from Bessel functions
2012-05-24 0:20 [Bug math/14155] New: Spurious underflow exception from jnf jsm28 at gcc dot gnu.org
` (5 preceding siblings ...)
2013-11-01 19:01 ` cvs-commit at gcc dot gnu.org
@ 2013-11-21 17:15 ` cvs-commit at gcc dot gnu.org
2014-06-13 10:48 ` fweimer at redhat dot com
7 siblings, 0 replies; 9+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2013-11-21 17:15 UTC (permalink / raw)
To: glibc-bugs
http://sourceware.org/bugzilla/show_bug.cgi?id=14155
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8209beac4644af4c2875f52f82c53c0d4be589ca
commit 8209beac4644af4c2875f52f82c53c0d4be589ca
Merge: 40e9bbd 38bf8b3
Author: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
Date: Thu Nov 21 15:02:35 2013 -0200
Merge the changes to add little endian support on PowerPC
Discard all the previous changes from ibm/2.18/master in order to keep a
clean branch.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=38bf8b39f1b9dc7acf3af57b9545ed425e9d5417
commit 38bf8b39f1b9dc7acf3af57b9545ed425e9d5417
Author: Adhemerval Zanella <azanella@linux.vnet.ibm.com>
Date: Thu Nov 7 05:34:22 2013 -0600
PowerPC: Fix vDSO missing ODP entries
This patch fixes the vDSO symbol used directed in IFUNC resolver where
they do not have an associated ODP entry leading to undefined behavior
in some cases. It adds an artificial OPD static entry to such cases
and set its TOC to non 0 to avoid triggering lazy resolutions.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=dc3a1f98dc4c86cb454474f4912ae325573655cb
commit dc3a1f98dc4c86cb454474f4912ae325573655cb
Author: Adhemerval Zanella <azanella@linux.vnet.ibm.com>
Date: Wed Sep 25 13:43:04 2013 -0500
PowerPC: Fix POINTER_CHK_GUARD thread register for PPC64
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e20644b3a6f96eb053ab4c2c900f7bef7f472916
commit e20644b3a6f96eb053ab4c2c900f7bef7f472916
Author: Will Newton <will.newton@linaro.org>
Date: Fri Sep 13 09:26:02 2013 +0100
Add CVE-2013-4332 to NEWS.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c51d675c459aefef8d84d5a0b114010f916ea278
commit c51d675c459aefef8d84d5a0b114010f916ea278
Author: Will Newton <will.newton@linaro.org>
Date: Fri Aug 16 12:54:29 2013 +0100
malloc: Check for integer overflow in memalign.
A large bytes parameter to memalign could cause an integer overflow
and corrupt allocator internals. Check the overflow does not occur
before continuing with the allocation.
ChangeLog:
2013-09-11 Will Newton <will.newton@linaro.org>
[BZ #15857]
* malloc/malloc.c (__libc_memalign): Check the value of bytes
does not overflow.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=6a6a386a3040726053a5fb8582ff26dc85d84741
commit 6a6a386a3040726053a5fb8582ff26dc85d84741
Author: Will Newton <will.newton@linaro.org>
Date: Fri Aug 16 11:59:37 2013 +0100
malloc: Check for integer overflow in valloc.
A large bytes parameter to valloc could cause an integer overflow
and corrupt allocator internals. Check the overflow does not occur
before continuing with the allocation.
ChangeLog:
2013-09-11 Will Newton <will.newton@linaro.org>
[BZ #15856]
* malloc/malloc.c (__libc_valloc): Check the value of bytes
does not overflow.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7e0e64ead52591b968df582b0ddc247ba5c4eab4
commit 7e0e64ead52591b968df582b0ddc247ba5c4eab4
Author: Will Newton <will.newton@linaro.org>
Date: Mon Aug 12 15:08:02 2013 +0100
malloc: Check for integer overflow in pvalloc.
A large bytes parameter to pvalloc could cause an integer overflow
and corrupt allocator internals. Check the overflow does not occur
before continuing with the allocation.
ChangeLog:
2013-09-11 Will Newton <will.newton@linaro.org>
[BZ #15855]
* malloc/malloc.c (__libc_pvalloc): Check the value of bytes
does not overflow.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c779e9df75256f19c7be8d12b2d163e2016a63f4
commit c779e9df75256f19c7be8d12b2d163e2016a63f4
Author: Carlos O'Donell <carlos@redhat.com>
Date: Mon Sep 23 00:52:09 2013 -0400
BZ #15754: CVE-2013-4788
The pointer guard used for pointer mangling was not initialized for
static applications resulting in the security feature being disabled.
The pointer guard is now correctly initialized to a random value for
static applications. Existing static applications need to be
recompiled to take advantage of the fix.
The test tst-ptrguard1-static and tst-ptrguard1 add regression
coverage to ensure the pointer guards are sufficiently random
and initialized to a default value.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c4733da3f8e4c54e30f048c9e8d2b2fe2f53fd24
commit c4733da3f8e4c54e30f048c9e8d2b2fe2f53fd24
Author: Siddhesh Poyarekar <siddhesh@redhat.com>
Date: Mon Sep 23 11:24:30 2013 +0530
Check for integer overflow in cache size computation in strcoll
strcoll is implemented using a cache for indices and weights of
collation sequences in the strings so that subsequent passes do not
have to search through collation data again. For very large string
inputs, the cache size computation could overflow. In such a case,
use the fallback function that does not cache indices and weights of
collation sequences.
Fixes CVE-2012-4412.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b8053c6138c8835fb27d30c7e034e240e92bce0f
commit b8053c6138c8835fb27d30c7e034e240e92bce0f
Author: Siddhesh Poyarekar <siddhesh@redhat.com>
Date: Mon Sep 23 11:20:02 2013 +0530
Fall back to non-cached sequence traversal and comparison on malloc fail
strcoll currently falls back to alloca if malloc fails, resulting in a
possible stack overflow. This patch implements sequence traversal and
comparison without caching indices and rules.
Fixes CVE-2012-4424.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=37d4728976aea69db23a061830828787a2fd05ed
commit 37d4728976aea69db23a061830828787a2fd05ed
Author: Siddhesh Poyarekar <siddhesh@redhat.com>
Date: Tue Aug 20 08:40:05 2013 +0530
Simplify strcoll implementation
Break up strcoll into simpler functions so that the logic is easier to
follow and maintain.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1034d41c8fe7b31ba8ba304d1fff93cecb183520
commit 1034d41c8fe7b31ba8ba304d1fff93cecb183520
Author: Andreas Schwab <schwab@suse.de>
Date: Thu Oct 31 12:51:03 2013 +0100
Fix parsing of 0e+0 as float
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3874aa022b6f0f9aca9ad1ef703a77be1bc97b36
commit 3874aa022b6f0f9aca9ad1ef703a77be1bc97b36
Author: Adhemerval Zanella <azanella@linux.vnet.ibm.com>
Date: Thu Sep 26 09:29:19 2013 -0500
PowerPC: strcpy/stpcpy optimization for PPC64/POWER7
This patch intends to unify both strcpy and stpcpy implementationsi
for PPC64 and PPC64/POWER7. The idead default powerpc64 implementation
is to provide both doubleword and word aligned memory access.
For PPC64/POWER7 is also provide doubleword and word memory access,
remove the branch hints, use the cmpb instruction for compare
doubleword/words, and add an optimization for inputs of same alignment.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=6f95434fd488e9b72117f9b93ec2e2dbf397a4d3
commit 6f95434fd488e9b72117f9b93ec2e2dbf397a4d3
Author: Siddhesh Poyarekar <siddhesh@redhat.com>
Date: Fri Oct 25 10:22:12 2013 +0530
Fix stack overflow due to large AF_INET6 requests
Resolves #16072 (CVE-2013-4458).
This patch fixes another stack overflow in getaddrinfo when it is
called with AF_INET6. The AF_UNSPEC case was fixed as CVE-2013-1914,
but the AF_INET6 case went undetected back then.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4a3abd22ecbda2d7b718b133fae2d2abfdfab614
commit 4a3abd22ecbda2d7b718b133fae2d2abfdfab614
Author: Joseph Myers <joseph@codesourcery.com>
Date: Thu Oct 10 19:11:30 2013 +0000
Avoid ordered comparisons of NaNs in ldbl-128ibm acosl and asinl.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d1aac9a6ff01c226c42bb934c170dd1c00ba8071
commit d1aac9a6ff01c226c42bb934c170dd1c00ba8071
Author: Anton Blanchard <anton@au1.ibm.com>
Date: Sat Aug 17 18:34:40 2013 +0930
PowerPC LE setjmp/longjmp
http://sourceware.org/ml/libc-alpha/2013-08/msg00089.html
Little-endian fixes for setjmp/longjmp. When writing these I noticed
the setjmp code corrupts the non volatile VMX registers when using an
unaligned buffer. Anton fixed this, and also simplified it quite a
bit.
The current code uses boilerplate for the case where we want to store
16 bytes to an unaligned address. For that we have to do a
read/modify/write of two aligned 16 byte quantities. In our case we
are storing a bunch of back to back data (consective VMX registers),
and only the start and end of the region need the read/modify/write.
[BZ #15723]
* sysdeps/powerpc/jmpbuf-offsets.h: Comment fix.
* sysdeps/powerpc/powerpc32/fpu/__longjmp-common.S: Correct
_dl_hwcap access for little-endian.
* sysdeps/powerpc/powerpc32/fpu/setjmp-common.S: Likewise. Don't
destroy vmx regs when saving unaligned.
* sysdeps/powerpc/powerpc64/__longjmp-common.S: Correct CR load.
* sysdeps/powerpc/powerpc64/setjmp-common.S: Likewise CR save. Don't
destroy vmx regs when saving unaligned.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=860ec8e62a01a9c9e5087aa4cfd3b5e03fc7649b
commit 860ec8e62a01a9c9e5087aa4cfd3b5e03fc7649b
Author: Siddhesh Poyarekar <siddhesh@redhat.com>
Date: Tue Oct 1 20:35:28 2013 +0530
Fix PI mutex check in pthread_cond_broadcast and pthread_cond_signal
Fixes BZ #15988.
The check had a typo - it checked for PTHREAD_MUTEX_ROBUST_NP instead
of PTHREAD_MUTEX_ROBUST_NORMAL_NP. It has now been replaced by the
already existing convenience macro USE_REQUEUE_PI.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3f71830d35d7bf4ac11664f0c48c3c68d250618b
commit 3f71830d35d7bf4ac11664f0c48c3c68d250618b
Author: Allan McRae <allan@archlinux.org>
Date: Mon Sep 9 22:52:58 2013 +1000
Fix memory leak in stdlib/isomac.c
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8e395175c4786ad9679851e3ed3c0c54a6f4e1f0
commit 8e395175c4786ad9679851e3ed3c0c54a6f4e1f0
Author: Allan McRae <allan@archlinux.org>
Date: Mon Sep 9 22:50:41 2013 +1000
Fix memory leaks in libio on allocation failure
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b51679672648410c6627a4bd169e076c5b36f47b
commit b51679672648410c6627a4bd169e076c5b36f47b
Author: Adhemerval Zanella <azanella@linux.vnet.ibm.com>
Date: Thu Sep 5 09:32:56 2013 -0500
PowerPC: fix POWER7 memrchr for some large inputs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a4faadaff25e19abf295556a23b7b889b4bf6df4
commit a4faadaff25e19abf295556a23b7b889b4bf6df4
Author: Adhemerval Zanella <azanella@linux.vnet.ibm.com>
Date: Thu Aug 29 15:28:00 2013 -0300
Add memrchr testcase
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b502a3756d6979439130f1e46c2c27b62f493acd
commit b502a3756d6979439130f1e46c2c27b62f493acd
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Sep 3 15:32:54 2013 +0000
Fix lgammaf spurious underflow (bug 15427).
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b3c7503940022f70ec8272c2c0d0a0e4489ae992
commit b3c7503940022f70ec8272c2c0d0a0e4489ae992
Author: Joseph Myers <joseph@codesourcery.com>
Date: Mon Sep 2 14:51:24 2013 +0000
Fix spurious jnf underflows (bug 14155).
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e53103749c19199b0ec23e8a5b330dd2e288f5ac
commit e53103749c19199b0ec23e8a5b330dd2e288f5ac
Author: Thomas Schwinge <thomas@codesourcery.com>
Date: Thu May 23 18:00:10 2013 +0200
[BZ #15522] strtod ("nan(N)") returning a sNaN in some cases
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=85ce5db8d835281c8beff6e750c02c799dee3f6f
commit 85ce5db8d835281c8beff6e750c02c799dee3f6f
Author: Joseph Myers <joseph@codesourcery.com>
Date: Fri Aug 23 19:45:38 2013 +0000
Fix cexp (NaN + i0) (bug 15532).
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c3a4bddd656561cfffba2605e148e65d4ff07e21
commit c3a4bddd656561cfffba2605e148e65d4ff07e21
Author: Joseph Myers <joseph@codesourcery.com>
Date: Wed Aug 21 19:56:48 2013 +0000
Fix fdim handling of infinities (bug 15797).
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1778fd0a17a74422a58d8eada3fa08b80f0a0c27
commit 1778fd0a17a74422a58d8eada3fa08b80f0a0c27
Author: Adhemerval Zanella <azanella@linux.vnet.ibm.com>
Date: Tue Aug 20 15:01:59 2013 -0500
PowerPC: fix backtrace to handle signal trampolines
This patch fixes backtrace for PPC32 and PPC64 to correctly handle
signal trampolines. The 'debug/tst-backtrace6.c' also check for
SA_SIGINFO handling, where is triggers another vDSO symbols for PPC32.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8df86a8394d0ea121f2066efe618f2b1cc799be3
commit 8df86a8394d0ea121f2066efe618f2b1cc799be3
Author: Joseph Myers <joseph@codesourcery.com>
Date: Tue Aug 20 19:41:15 2013 +0000
Fix cproj handling of (finite, NaN) arguments (bug 15531).
backport of c980f2f4fe0f5d301f706017a1f7e4e942193ec0
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f8a004f1fa412e3aae77faa30b4dfb654d721510
commit f8a004f1fa412e3aae77faa30b4dfb654d721510
Author: Andreas Arnez <arnez@linux.vnet.ibm.com>
Date: Thu Oct 31 09:57:33 2013 -0500
* elf/setup-vdso.h (setup_vdso): Fix missing string termination.
backport of f315524e034cfc644157cb4af5ecc99f645dd067
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f166b9c6e90d631115c59b4357357bc168d8e51a
commit f166b9c6e90d631115c59b4357357bc168d8e51a
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu Oct 31 09:55:52 2013 -0500
CVE-2013-4237, BZ #14699: Buffer overflow in readdir_r
* sysdeps/posix/dirstream.h (struct __dirstream): Add errcode
member.
* sysdeps/posix/opendir.c (__alloc_dir): Initialize errcode
member.
* sysdeps/posix/rewinddir.c (rewinddir): Reset errcode member.
* sysdeps/posix/readdir_r.c (__READDIR_R): Enforce NAME_MAX limit.
Return delayed error code. Remove GETDENTS_64BIT_ALIGNED
conditional.
* sysdeps/unix/sysv/linux/wordsize-64/readdir_r.c: Do not define
GETDENTS_64BIT_ALIGNED.
* sysdeps/unix/sysv/linux/i386/readdir64_r.c: Likewise.
* manual/filesys.texi (Reading/Closing Directory): Document
ENAMETOOLONG return value of readdir_r. Recommend readdir more
strongly.
* manual/conf.texi (Limits for Files): Add portability note to
NAME_MAX, PATH_MAX.
(Pathconf): Add portability note for _PC_NAME_MAX, _PC_PATH_MAX.
backport of 91ce40854d0b7f865cf5024ef95a8026b76096f3
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=760b348db29b446efc760b4bc3627379cc61b0d8
commit 760b348db29b446efc760b4bc3627379cc61b0d8
Merge: 84dd394 eefa3be
Author: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
Date: Tue Aug 20 15:26:27 2013 -0300
Merge branch 'release/2.18/master' into ibm/2.18/master
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=84dd3946e0e0aee66635ba4373943d113fd25ca1
commit 84dd3946e0e0aee66635ba4373943d113fd25ca1
Author: Adhemerval Zanella <azanella@linux.vnet.ibm.com>
Date: Thu Jul 25 10:53:11 2013 -0300
PowerPC: use libgcc _Unwind functions to get backtrace
This patch changes the way backtraces are obtained on PowerPC by
relaying on libgcc _Unwind function instead of just backchain parse.
It fixes debug/tst-backtrace5 for PPC32 and PPC64.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=733a36d81544dad38726489b43523cc0ac95095d
commit 733a36d81544dad38726489b43523cc0ac95095d
Merge: 2d16beb 85891ac
Author: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
Date: Tue Aug 6 14:13:45 2013 -0300
Merge branch 'master' into ibm/2.18/master
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2d16bebbeabd3ab312998c969e21d092ff348485
commit 2d16bebbeabd3ab312998c969e21d092ff348485
Author: Ryan S. Arnold <rsa@linux.vnet.ibm.com>
Date: Thu Aug 1 13:11:18 2013 -0300
Remove assert() if DT_RUNPATH and DT_RPATH flags are found in ld.so.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=975208ca8a02f332572edde22d3e4da6c100bdbc
commit 975208ca8a02f332572edde22d3e4da6c100bdbc
Author: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
Date: Thu Aug 1 12:54:00 2013 -0300
Partially revert commit 2663b74f8103a2a8a46b4896439b7a452480fc7c
This change is necessary in order to avoid the issue documented at
http://sourceware.org/ml/libc-alpha/2013-05/msg00350.html.
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^ permalink raw reply [flat|nested] 9+ messages in thread* [Bug math/14155] Spurious underflow exceptions from Bessel functions
2012-05-24 0:20 [Bug math/14155] New: Spurious underflow exception from jnf jsm28 at gcc dot gnu.org
` (6 preceding siblings ...)
2013-11-21 17:15 ` cvs-commit at gcc dot gnu.org
@ 2014-06-13 10:48 ` fweimer at redhat dot com
7 siblings, 0 replies; 9+ messages in thread
From: fweimer at redhat dot com @ 2014-06-13 10:48 UTC (permalink / raw)
To: glibc-bugs
https://sourceware.org/bugzilla/show_bug.cgi?id=14155
Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
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