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From: Julian S. <js...@ac...> - 2018-10-03 15:54:10
|
Greetings. Per the subject line, valgrind-3.14.0.RC2 is available for testing, at: ftp://sourceware.org/pub/valgrind/valgrind-3.14.0.RC2.tar.bz2 https://sourceware.org/pub/valgrind/valgrind-3.14.0.RC2.tar.bz2 (md5 = e92f8816973396edd6d0cbcd820ccca0) Please give it a try on systems, and in configurations, which are important for you, and report any failures (and successes!) here. I propose to make the final 3.14.0 release on Tuesday 9 October if no serious breakage is reported. As ever, the NEWS file in the tarball lists the new features and fixed bugs in this release. J |
|
From: Julian S. <se...@so...> - 2018-10-03 13:38:05
|
https://sourceware.org/git/gitweb.cgi?p=valgrind.git;h=d2af42d826d65f3a6722a33309e721264846efd3 commit d2af42d826d65f3a6722a33309e721264846efd3 Author: Julian Seward <js...@ac...> Date: Wed Oct 3 15:37:06 2018 +0200 --> 3.14.0.RC2 Diff: --- NEWS | 8 ++++++-- configure.ac | 2 +- 2 files changed, 7 insertions(+), 3 deletions(-) diff --git a/NEWS b/NEWS index 02eb2c6..6e0c82b 100644 --- a/NEWS +++ b/NEWS @@ -1,4 +1,4 @@ -Release 3.14.0 (4 October 2018) +Release 3.14.0 (9 October 2018) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 3.14.0 is a feature release with many improvements and the usual collection of @@ -181,8 +181,12 @@ n-i-bz Add support for the Linux BLKFLSBUF ioctl n-i-bz Add support for the Linux BLKREPORTZONE and BLKRESETZONE ioctls n-i-bz Fix possible stack trashing by semctl syscall wrapping n-i-bz Add support for the Linux membarrier() system call +n-i-bz x86 front end: recognise and handle UD2 correctly +n-i-bz Signal delivery for x86-linux: ensure that the stack pointer is + correctly aligned before entering the handler. -(3.14.0.RC1: 30 September 2018, git c2aeea2d28acb0639bcc8cc1e4ab115067db1eae) +(3.14.0.RC1: 30 September 2018, git c2aeea2d28acb0639bcc8cc1e4ab115067db1eae) +(3.14.0.RC2: 3 October 2018, git 3e214c4858a6fdd5697e767543a0c19e30505582) diff --git a/configure.ac b/configure.ac index 1603079..98d22b6 100644 --- a/configure.ac +++ b/configure.ac @@ -8,7 +8,7 @@ ##------------------------------------------------------------## # Process this file with autoconf to produce a configure script. -AC_INIT([Valgrind],[3.14.0.RC1],[val...@li...]) +AC_INIT([Valgrind],[3.14.0.RC2],[val...@li...]) AC_CONFIG_SRCDIR(coregrind/m_main.c) AC_CONFIG_HEADERS([config.h]) AM_INIT_AUTOMAKE([foreign subdir-objects]) |
|
From: Julian S. <se...@so...> - 2018-10-03 13:32:24
|
https://sourceware.org/git/gitweb.cgi?p=valgrind.git;h=3e214c4858a6fdd5697e767543a0c19e30505582 commit 3e214c4858a6fdd5697e767543a0c19e30505582 Author: Julian Seward <js...@ac...> Date: Wed Oct 3 15:29:42 2018 +0200 sigframe construction for x86-linux: ensure that ESP is correctly aligned before entering the handler. n-i-bz. Without this, a signal handler compiled by Clang 6, which uses movdqa to load/store relative to ESP, segfaults because the resulting address isn't 16-aligned. Diff: --- coregrind/m_sigframe/sigframe-x86-linux.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/coregrind/m_sigframe/sigframe-x86-linux.c b/coregrind/m_sigframe/sigframe-x86-linux.c index 27ca4c2..63bcf19 100644 --- a/coregrind/m_sigframe/sigframe-x86-linux.c +++ b/coregrind/m_sigframe/sigframe-x86-linux.c @@ -430,7 +430,7 @@ static Addr build_sigframe(ThreadState *tst, vg_assert((flags & VKI_SA_SIGINFO) == 0); esp -= sizeof(*frame); - esp = VG_ROUNDDN(esp, 16); + esp = VG_ROUNDDN(esp, 16) - 4; frame = (struct sigframe *)esp; if (! ML_(sf_maybe_extend_stack)(tst, esp, sizeof(*frame), flags)) @@ -487,7 +487,7 @@ static Addr build_rt_sigframe(ThreadState *tst, vg_assert((flags & VKI_SA_SIGINFO) != 0); esp -= sizeof(*frame); - esp = VG_ROUNDDN(esp, 16); + esp = VG_ROUNDDN(esp, 16) - 4; frame = (struct rt_sigframe *)esp; if (! ML_(sf_maybe_extend_stack)(tst, esp, sizeof(*frame), flags)) |
|
From: Julian S. <se...@so...> - 2018-10-03 13:29:28
|
https://sourceware.org/git/gitweb.cgi?p=valgrind.git;h=617e673e9bd6d4d4d6bc68924e8528a81cca6f7b commit 617e673e9bd6d4d4d6bc68924e8528a81cca6f7b Author: Julian Seward <js...@ac...> Date: Wed Oct 3 15:26:48 2018 +0200 x86 front end: handle UD2 as an officially recognised, unimplemented instruction, like the amd64 front end does. n-i-bz. This doesn't change anything downstream -- a SIGILL is still raised -- but there's a bit less debug printing now. Diff: --- VEX/priv/guest_x86_toIR.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/VEX/priv/guest_x86_toIR.c b/VEX/priv/guest_x86_toIR.c index ad1f8d8..2e3b803 100644 --- a/VEX/priv/guest_x86_toIR.c +++ b/VEX/priv/guest_x86_toIR.c @@ -15408,6 +15408,15 @@ DisResult disInstr_X86_WRK ( DIP("syscall\n"); break; + /* =-=-=-=-=-=-=-=-=-=- UD2 =-=-=-=-=-=-=-=-=-=-=-= */ + + case 0x0B: /* UD2 */ + stmt( IRStmt_Put( OFFB_EIP, mkU32(guest_EIP_curr_instr) ) ); + jmp_lit(&dres, Ijk_NoDecode, guest_EIP_curr_instr); + vassert(dres.whatNext == Dis_StopHere); + DIP("ud2\n"); + break; + /* =-=-=-=-=-=-=-=-=- unimp2 =-=-=-=-=-=-=-=-=-=-= */ default: |