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Finish initial triaging pass.

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git-svn-id: svn://svn.valgrind.org/valgrind/trunk@12712
This commit is contained in:
Julian Seward 2012-07-05 13:26:07 +00:00
parent f5b7153e37
commit fd343fe287
2 changed files with 130 additions and 53 deletions
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4
NEWS
View File

@ -93,6 +93,8 @@ where XXXXXX is the bug number as listed below.
292300 unhandled instruction, vmovd in 32bit
292493 Invalid Instruction in optimized glibc __mpn_construct_double
292841 vex amd64->IR: unhandled instruction bytes: 0xC5 0xFB 0x10 0x5 0xD0 0x7B
298227 vex amd64->IR: 0xC5 0xF8 0x57 0xC0 0x48 0xC7 0x43 0x58)
298335 vex amd64->IR: 0xC5 0xF9 0x57 0xC0 0x48 0x8B 0x35 0x3"
== 273475 (canonical avx)
285662 Memcheck needs to replace memcpy/memmove (and most certainly others)
@ -158,6 +160,7 @@ where XXXXXX is the bug number as listed below.
294190 --vgdb-error=xxx can be out of sync with errors shown to the user
294191 Guest amd64 lacks fnsave/frstor and 0x66 size prefixes on FP instructions
294260 vex: the 'impossible' happened: disInstr_AMD64: disInstr miscalculated next %rip
294523 --partial-loads-ok=yes causes false negatives
294617 vex amd64->IR: unhandled instruction bytes: 0x66 0xF 0x3A 0xDF 0xD1 0x1 0xE8 0x6A
294736 Valgrind crashes with Unrecognised instruction 0x48 0xF 0xD7 0xD6 0x48 0x83
294812 patch allowing to run (on x86 at least) helgrind/drd on tool.
@ -207,6 +210,7 @@ n-i-bz Fix assert in gdbserver for watchpoints watching the same address
300389 AMD Bulldozer system: vex: priv/main_main.c:315 (LibVEX_Translate):
Assertion `are_valid_hwcaps(VexArchAMD64, vta->archinfo_host.hwcaps)' failed.
300414 FCOM and FCOMP unimplemented for amd64 guest
301204 infinite loop in canonicaliseSymtab with ifunc symbol
301229 dup of 203877, see above.
301984 configure script doesn't detect certain versions of clang
302205 Fix compiler warnings for POWER VEX code and POWER test cases

179
docs/internals/3_7_BUGSTATUS.txt
View File

@ -13,6 +13,8 @@ get fixed.
-- OSX 10.8 (alignment) and XCode 4.3 (build, link) problems
-- add arm stack-scan hacks?
-- add allocator-mismatch checking?
-- 302709, minor tidying needed?
-- reconsider https://bugs.kde.org/show_bug.cgi?id=253657 (AMD64 seg regs)
284004 Application under test hangs after call to __posix_spawn (Darwin)
open, not started
@ -32,16 +34,16 @@ get fixed.
286849 Interceptors for new/delete on Darwin were erroneously commented
out in r12043
**potentially 3.8.0
**possible 3.8.0
286864 strlen function redirection error
**probably invalid
286917 disInstr(arm): unhandled instruction: QADD
**potentially 3.8.0
**possible 3.8.0
287175 ARM: scalar VFP fixed-point VCVT instructions not handled
**potentially 3.8.0
**possible 3.8.0 same as 301336 ?
288099 valgrind should print arguments/return values of functions in stack
wishlist
@ -51,7 +53,7 @@ get fixed.
288274 Aborts at illegal instruction 0x48 0xF 0x5A 0x7 0x48 0xF
== 278744 REX.W CVTPS2PD
**potentially 3.8.0 (redundant REX prefix)
**possible 3.8.0 (redundant REX prefix)
288298 unhandled syscall shm_unlink
OSX. uninvestigated.
@ -67,7 +69,7 @@ get fixed.
low prio; --read-var-info=yes problem; OP queried
289470 Loading of large Mach-O thin binaries fails.
**potentially 3.8.0; w/ patch; apparently harmless; easy fix
**possible 3.8.0; w/ patch; apparently harmless; easy fix
289578 Backtraces with unwind tables (=without debug symbols)
using offline symbol resolving
@ -75,7 +77,7 @@ get fixed.
289584 Unhandled instruction: 0xF 0x29 0xE5 (MOVAPS)
movaps reg,reg (w/ patch)
**potentially 3.8.0
**possible 3.8.0
289836 Unhanded instructions mfatbu and mfatbl
ppc e500 insns
@ -89,7 +91,7 @@ get fixed.
290006 memcheck doesn't mark %xmm as initialized after "pcmpeqw %xmm %xmm"
easy fix; w/ patch
**potentially 3.8.0
**possible 3.8.0
290061 pie elf always loaded at 0x108000
w/ patch; looks OK; easy fix ?
@ -139,9 +141,6 @@ get fixed.
294454 delphi uses 16-bit addressing in the TEB (%fs)
obscure (16 bit (0x67 ?) insns in 32 bit mode)
294523 --partial-loads-ok=yes causes false negatives
**fixed I think -- should close
294552 svn trunk compilation stuck in mig
XCode 4.3 problem?
no action so far
@ -184,7 +183,7 @@ get fixed.
**possible 3.8.0, needs landing
295808 vex amd64->IR: 0xF3 0xF 0xBC 0xC0 0x48 0x1 0xD0 0x48 (TZCNT)
**possible 3.8.0 ?
**possible 3.8.0 ? see also 301011 (32 bit)
295974 vex-x86 omits some SSE4.1 opcodes such as PEXTRD
**check before 3.8.0; maybe some 64-bit insns missing? OP queried
@ -202,55 +201,129 @@ get fixed.
296311 Wrong stack traces due to -fomit-frame-pointer (x86)
**not sure what to do about this. Is it serious?
296318 Debug info improvements (more than one rx/rw mapping)
296318 ELF Debug info improvements (more than one rx/rw mapping)
**this is probably important for 3.8.0
296480 valgrind hangs early when run on Python
OSX. Not started.
--- JRS got this far, tidying up, 4 July 2012.
296577 vex x86->IR: 0x66 0xF 0x3A 0x17
**wontfix (AES on 32-bit)
296577] New: vex x86->IR: unhandled instruction bytes: 0x66 0xF 0x3A 0x17
296578] New: vex amd64->IR: unhandled instruction bytes: 0x60 0x0 0x0 0x0 0x0 0x0 0x0 0x0
296792] New: [PATCH] valgrind 3.7.0: add SIOCSHWTSTAMP (0x89B0) ioctl wrapper
296947] New: vex amd64->IR: unhandled instruction bytes: 0x1F 0x7 0x0 0x0 0x0 0x0
297407] New: Failed reading debug information for Fortran codes; invalid cuOff
297701] New: Another alias for strncasecmp_l in libc-2.13.so
297911] New: valgrind does not report 'invalid write' when using APIs for custom memory allocators.
298097] New: on ppc32 (e500mc core) target, valgrind report a app a mem error but the app is good to me.
298227] New: valgrind unhandled instruction (vex amd64->IR: unhandled instruction bytes: 0xC5 0xF8 0x57 0xC0 0x48 0xC7 0x43 0x58)
298281] New: wcslen causes false(?) uninitialised value warnings
298335] New: Valgrind crashes after "vex amd64->IR: unhandled instruction bytes: 0xC5 0xF9 0x57 0xC0 0x48 0x8B 0x35 0x3"
298546] New: wishlist: track virtual memory leaks due to mmap without munmap
298870] New: No support for DW_TAG_partial_unit
298905] New: argv / argc to be changed to non valgrind values.
296578 vex amd64->IR: 0x60 0x0 0x0 0x0 0x0 0x0 0x0 0x0
**no idea what this is
-- Sun 29 Apr 2012, near midnight.
296792 [PATCH] valgrind 3.7.0: add SIOCSHWTSTAMP (0x89B0) ioctl wrapper
**3.8.0, needs checkin
299629] New: dup3() syscall (358) support is missing for ARM
300102] New: memcheck tester
300140] New: ARM - Missing (T2) SMMUL
300195] New: read_elf_debug_info() should accept 'executable' .got sections
296947 vex amd64->IR: 0x1F 0x7 0x0 0x0 0x0 0x0
probably invalid
301011] New: vex x86->IR: unhandled instruction bytes: 0xF3 0xF 0xBC 0xDE
301204] New: infinite loop in canonicaliseSymtab with ifunc symbol
301265] New: add x86 support to Android build
301269] New: optimize Memcheck to use light tracking for trusted code
301280] New: vex amd64->IR: unhandled instruction bytes: 0xF 0xB 0x55 0x48 0x89 0xE5 0x41 0x56
301281] New: valgrind hangs on OS X when the process calls system()
301336] New: Valgrind vassert(0) in dis_neon_data_2reg_misc()
301830] New: mtV : improve Valgrind so that it runs multiple threads in parallel
301902] New: vex amd64->IR: unhandled instruction bytes: 0xF 0xB 0xF 0x1F 0x0 0x40 0x38 0xFE
301922] New: gcc -O2 problem with SSE optimization?
301967 unhandled instruction bytes 0xC5 0xF9 0x6E 0x40 in /lib32/ld-2.14.1.so
== 273475 (canonical avx)
302234] New: fesetround() function does not affect FPU calculations
302271] New: Bug with Callgrind dump-instr and Trace-children
302287] New: Unhandled movbe instruction on Atom processors
302370] New: The nmadd, fnmsub, fnmadds, fnmsubs instructions always negate the result even when the result is QNAN or SNAN.
302578] New: Unrecognized isntruction 0xc5 0x32 0xc2 0xca 0x09 vcmpngess
302630] New: Memcheck on ultithreaded program fails with Assertion 'sizeof(UWord) == sizeof(UInt)' failed in m_syscall.c
302700] New: Assertion 'srcix >= 0 && srcix < VG_(sizeXA)(srcxa)' failed.
302800] New: valgrind change the operator new's alloctor into system's
297407 Failed reading debug information for Fortran codes; invalid cuOff
Tromey made a patch for this. Dunno if it should land. Queried.
-- Sat 30 June 2012, near midnight.
297701 Another alias for strncasecmp_l in libc-2.13.so
**possible 3.8.0, trivial fix
297911 valgrind does not report 'invalid write' when using APIs for
custom memory allocators.
probably invalid
298097 on ppc32 (e500mc core) target, valgrind report a app a
mem error but the app is good to me.
probably closable (may be dup of 296318)
298281 wcslen causes false(?) uninitialised value warnings
**possible 3.8.0
298546 wishlist: track virtual memory leaks due to mmap without munmap
wishlist
298870 No support for DW_TAG_partial_unit
**how does this relate to 302901 ?
298905 argv / argc to be changed to non valgrind values.
wishlist
299629 dup3() syscall (358) support is missing for ARM
**possible 3.8.0, should be easy to fix
300102 memcheck tester
unclear what status is
300140 ARM - Missing (T2) SMMUL
**possible 3.8.0, has patch but needs testcase
300195 read_elf_debug_info() should accept 'executable' .got sections
**possible 3.8.0, simple patch, needs checking over
301011 vex x86->IR: 0xF3 0xF 0xBC 0xDE (TZCNT)
**possible 3.8.0; see also 295808 (64 bit)
301204 infinite loop in canonicaliseSymtab with ifunc symbol
**possible 3.8.0; need someone who understands ifunc to look at it
301265 add x86 support to Android build
no patch so far; + probably too big a change for 3.8.0
301269 optimize Memcheck to use light tracking for trusted code
too big a change for 3.8.0; + in development still
301280 vex amd64->IR: 0xF 0xB 0x55 0x48 0x89 0xE5 0x41 0x56
that's UD2; unclear if there is anything to fix here.
301281 valgrind hangs on OS X when the process calls system()
OSX strangeness; **possible 3.8.0
301336 Valgrind vassert(0) in dis_neon_data_2reg_misc()
**possible 3.8.0. OP queried; is this the same as 287175 ?
301830 mtV: improve Valgrind so that it runs multiple threads in parallel
not 3.8.0 (alas)
301902 vex amd64->IR: 0xF 0xB (UD2)
**possible 3.8.0; should handle this properly
301922 gcc -O2 problem with SSE optimization?
invalid (versioning problem) .. should close
301967 vex x86->IR: 0xC5 0xF9 0x6E 0x40 (AVX in 32-bit mode)
probable wontfix
302234 fesetround() function does not affect FPU calculations
x86 rounding; dup of 136779 (which has a patch!)
302271 Bug with Callgrind dump-instr and Trace-children
unclear what status is; queried JosefW
302287 Unhandled movbe instruction on Atom processors
**possible 3.8.0 (should fix this, really)
302370 The nmadd, fnmsub, fnmadds, fnmsubs instructions always negate
the result even when the result is QNAN or SNAN.
**possible 3.8.0 (needs land + test)
302578 Unrecognized isntruction 0xc5 0x32 0xc2 0xca 0x09 vcmpngess
**possible 3.8.0 (easy to fix)
302630 Memcheck on multithreaded program fails with Assertion
'sizeof(UWord) == sizeof(UInt)' failed in m_syscall.c
configuration error, very weird
302700 Assertion 'srcix >= 0 && srcix < VG_(sizeXA)(srcxa)' failed.
is in 3.6.0
302800 valgrind change the operator new's alloctor into system's
not a bug (invalid, basically)
302827 add wrapper for CDROM_GET_CAPABILITY
**possible 3.8.0, has patch
302901 Valgrind crashes with dwz optimized debuginfo
**possible 3.8.0, has patch, should take
302918 Enable testing of the vmaddfp and vnsubfp instructions in
the testsuite
**possible 3.8.0, has patch, should take.
-- Thurs 5 July 2012, mid afternoon.