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debugging/02_day/valgrind/valgrind-3.11.0/docs/internals/3_0_BUGSTATUS.txt
jikim 0b589c7986 first commit
2015-12-13 22:34:58 +09:00

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nb: "n-i-bz" == "not in Bugzilla"
========================================================================
=== Bugs targeted for 3.1.0 only ===
========================================================================
----------------------------------------------------------------
109861 amd64 hangs at startup
110301 ditto
111554 valgrind crashes with Cannot allocate memory
111809 Memcheck tool doesn't start java
111901 cross-platform run of cachegrind fails on opteron
113468 (vgPlain_mprotect_range): Assertion 'r != -1' failed.
92071 Reading debugging info uses too much memory
109744 memcheck loses track of mmap from direct ld-linux.so.2
110183 tail of page with _end
82301 FV memory layout too rigid
98278 Infinite recursion possible when allocating memory
108994 Valgrind runs out of memory due to 133x overhead
115643 valgrind cannot allocate memory
Will fix in 3.1. Long delay seems to be caused by amd64-Gentoo kernel
not liking large mmap/munmap requests. Other bugs also look like
aspacem problems.
FIXED-TRUNK: now done (many many commits)
----------------------------------------------------------------
105227 The BOUND instruction is not implemented (x86, with test case)
FIXED-TRUNK: TODO ?
----------------------------------------------------------------
105974 vg_hashtable.c static hash table
FIXED-TRUNK: vg:???
----------------------------------------------------------------
109323 ppc32: dispatch.S uses Altivec insn, which doesn't work on POWER.
FIXED-TRUNK: 4636
----------------------------------------------------------------
109345 ptrace_setregs not yet implemented for ppc
FIXED-TRUNK: vg:5046
----------------------------------------------------------------
110204 fmemopen false +ve
Seems low priority.
FIXED-TRUNK: TODO?
----------------------------------------------------------------
110205 sigcancel unwind fails
114629 == (TENTATIVE)
Tom is considering this. It would be nice to fix it for 3.1 but
status currently unclear.
FIXED-TRUNK: vex:1320 - vex impl of sysenter
vg:4337 - minimal Valgrind-side; does not do anything
----------------------------------------------------------------
110831 Would like to be able to run against both 32 and 64 bit
binaries on AMD64
110829 ==
FIXED-TRUNK: many commits (vg:5031 ?)
----------------------------------------------------------------
111364 False report of "definitly lost" memory
Unclear what to do about this .. leak checker strangeness.
----------------------------------------------------------------
n-i-bz Give more info about seginfo dropping.
FIXED-TRUNK: vg:4425
----------------------------------------------------------------
111855 default suppression file is read 1 byte at a time
Perhaps worth a look.
FIXED-TRUNK: TODO
----------------------------------------------------------------
111781 compile of valgrind-3.0.0 fails on my linux (gcc 2.X prob)
FIXED-TRUNK: fixed (multiple commits)
----------------------------------------------------------------
112163 MASSIF crashed with signal 7 (SIGBUS) after running 2 days
FIXED-TRUNK: unconfirmed (insufficient info from reporter)
----------------------------------------------------------------
112670 Cachegrind: cg_main.c:486 (handleOneStatement ...
FIXED-TRUNK: fixed (many commits)
----------------------------------------------------------------
112941 vex x86: 0xD9 0xF4 (fxtract)
110201 ==
FIXED-TRUNK: vex:1405
----------------------------------------------------------------
113015 vex amd64->IR: 0xE3 0x14 0x48 0x83 (jrcxz)
FIXED-TRUNK: vex:1413
----------------------------------------------------------------
113126 Crash with binaries built with -gstabs+/-ggdb
104065 ==
115741 ==
FIXED-TRUNK: vg:5138
----------------------------------------------------------------
113403 Partial SSE3 support on x86
FIXED-TRUNK: vex:???
----------------------------------------------------------------
113541 vex: the `impossible' happened: Grp5(x86) (alt encoding inc/dec)
case 1
FIXED-TRUNK: vex:1412
----------------------------------------------------------------
113642 New: valgrind crashes when trying to read debug information
FIXED-TRUNK: vg:4856
----------------------------------------------------------------
113810 priv/guest-x86/toIR.c:7964 (disInstr_X86_WRK): Assertion `sz == 4'
Inferred 66 0F F6 (66 + PSADBW == SSE PSADBW)
FIXED-TRUNK: vex:1410, test in valgrind:4851
----------------------------------------------------------------
113796 read() and write() do not work if buffer is in shared memory
Although the underlying cause is still present in the 3.0 code
this bug is only user visible in the 2.4 code base.
FIXED-TRUNK: vg:4852
----------------------------------------------------------------
113851 vex x86->IR: (pmaddwd): 0x66 0xF 0xF5 0xC7
FIXED-TRUNK: vex:1411, test in valgrind:4859
----------------------------------------------------------------
114366 New: vex amd64 cannnot handle __asm__( "fninit" )
FIXED-TRUNK: vex:1440
----------------------------------------------------------------
114412 vex amd64->IR: 0xF 0xAD 0xC2 0xD3 (128-bit shift, shrdq?)
FIXED-TRUNK: vex:1435
----------------------------------------------------------------
114455 vex amd64->IR: 0xF 0xAC 0xD0 0x1 (also shrdq)
FIXED-TRUNK: vex:1436
----------------------------------------------------------------
115590: amd64->IR: 0x67 0xE3 0x9 0xEB (address size override)
FIXED-TRUNK: vex:1433
----------------------------------------------------------------
115953 valgrind svn r5042 does not build with parallel make (-j3)
FIXED-TRUNK: vg:????
----------------------------------------------------------------
116057 New: valgrind maximum instruction size - VG_MAX_INSTR_SZB too
small?
FIXED-TRUNK: vg:5072
----------------------------------------------------------------
116483 shmat failes with invalid argument when trying to attach a shm segment
FIXED-TRUNK: fixed by introduction of SkShmC during aspacem rewrite
========================================================================
=== Bugs targeted for 3.1.0 and 3.0.2 ===
========================================================================
----------------------------------------------------------------
102202 valgrind crashes when realloc'ing until out of memory
109487 ==
110536 ==
112687 ==
FIXED-TRUNK: 4875
FIXED-30BRANCH: 4876
----------------------------------------------------------------
110209 --show-emwarns misses some
Tom says: The math/test-fenv.c file in the glibc source is the code in
question and I can reproduce it with that code.
FIXED-TRUNK: TODO?
FIXED-30BRANCH: TODO?
----------------------------------------------------------------
110770 VEX: Generated files not always updated when making valgrind
FIXED-TRUNK: TODO... partial(vg:4473)
FIXED-30BRANCH: TODO
----------------------------------------------------------------
n-i-bz Jeroen's XML-to-text FAQ.xml translator
FIXED-TRUNK: vg:4830
FIXED-30BRANCH: TODO
----------------------------------------------------------------
111724 vex amd64->IR: unhandled instruction bytes: 0x41 0xF 0xAB
(more BT{,S,R,C} fun n games)
Also 0xF 0xBB 0x10 0x44
FIXED-TRUNK: vex:1414
FIXED-30BRANCH: TODO
----------------------------------------------------------------
n-i-bz Print a more user-friendly message when vex bombs out
with unhandled instruction bytes
FIXED-TRUNK: vg:4817,4932
FIXED-30BRANCH: TODO
----------------------------------------------------------------
111748 vex amd64->IR: unhandled instruction bytes: fucom
(0xDD 0xE2 0xDF 0xE0)
FIXED-TRUNK: vex:1415
FIXED-30BRANCH: TODO
----------------------------------------------------------------
111785 make fails if CC contains spaces
FIXED-TRUNK: 4589, 4592
FIXED-30BRANCH: 4597, 4601
----------------------------------------------------------------
111829 vex x86->IR: unhandled instruction bytes: sbb Al, Ib
FIXED-TRUNK: vex:1406
FIXED-30BRANCH: TODO
----------------------------------------------------------------
111851 vex x86->IR: unhandled instruction bytes: 0x9F 0x89
(lahf/sahf)
FIXED-TRUNK: vex:1409
FIXED-30BRANCH: TODO
----------------------------------------------------------------
112031 iopl on AMD64 and README_MISSING_SYSCALL_OR_IOCTL update
FIXED-TRUNK: 4826, 4864
FIXED-30BRANCH: 4862, 4865
----------------------------------------------------------------
112152 code generation for Xin_MFence on x86 with SSE0 subarch
112167 ==
112789 ==
FIXED-TRUNK: vex:1407
FIXED-30BRANCH: TODO
----------------------------------------------------------------
112199 naked ar tool is used in vex makefile
FIXED-TRUNK: vex:1397
FIXED-30BRANCH: TODO
----------------------------------------------------------------
112501 vex x86->IR: movq (0xF 0x7F 0xC1 0xF) (mmx MOVQ)
113583 ==
FIXED-TRUNK: vex:1408
FIXED-30BRANCH: TODO
----------------------------------------------------------------
112538 memalign crash
FIXED-TRUNK: vg:4879
FIXED-30BRANCH: vg:4880
----------------------------------------------------------------
113190 Broken links in docs/html/
FIXED-TRUNK: vg:4778
FIXED-30BRANCH: TODO
----------------------------------------------------------------
113230 Valgrind sys_pipe on x86-64 wrongly thinks file descriptors
should be 64bit
FIXED-TRUNK: vg:4669
FIXED-30BRANCH: TODO
----------------------------------------------------------------
n-i-bz Cachegrind shows incorrect miss rates when counts are
greater than 32 bits
FIXED-TRUNK: vg:4769
FIXED-30BRANCH: TODO
----------------------------------------------------------------
113996 vex amd64->IR: fucomp (0xDD 0xE9 0xDF 0xE0)
FIXED-TRUNK: vex:1437
FIXED-30BRANCH: TODO
----------------------------------------------------------------
114196 vex x86->IR: out %eax,(%dx) (0xEF 0xC9 0xC3 0x90)
FIXED-TRUNK: vex:1425
FIXED-30BRANCH: TODO
(has good test case)
----------------------------------------------------------------
114250 context record in signal handler contains incorrect values
FIXED-TRUNK: TODO
FIXED-30BRANCH: TODO
(has good test case)
----------------------------------------------------------------
114289 Memcheck fails to intercept malloc when used in an uclibc environment
FIXED-TRUNK: vg:4916
FIXED-30BRANCH: TODO
----------------------------------------------------------------
114756 mbind syscall support
FIXED-TRUNK: vg:4958
FIXED-30BRANCH: TODO
----------------------------------------------------------------
114757 Valgrind dies with assertion: Assertion 'noLargerThan > 0' failed
FIXED-TRUNK: vg:4960
FIXED-30BRANCH: TODO
----------------------------------------------------------------
114563 stack tracking module not informed when valgrind switches threads
FIXED-TRUNK: vg:5070
FIXED-30BRANCH: TODO
----------------------------------------------------------------
114564: clone() and stacks
114565 ==
FIXED-TRUNK: vg:5070
----------------------------------------------------------------
115496 glibc crashes trying to use sysinfo page
FIXED-TRUNK: vg:5079
FIXED-30BRANCH: TODO
----------------------------------------------------------------
116200 enable fsetxattr, fgetxattr, and fremovexattr for amd64
FIXED-TRUNK: vg:5106
FIXED-30BRANCH: TODO
========================================================================
=== Bugs targeted for 3.1.0 and 3.0.1 (all done, 3.0.1 released) ===
========================================================================
----------------------------------------------------------------
101204 noisy warning
FIXED-TRUNK: vg:4511
FIXED-30BRANCH: vg:4561
----------------------------------------------------------------
109313 x86 cmpxchg8b
FIXED-TRUNK: vex:1331, vg:4390 contains regtest
+ mistaken commit of this file)
FIXED-30BRANCH: vex:1337
----------------------------------------------------------------
110102 dis_op2_E_G(amd64)
FIXED-TRUNK: vex:1318
FIXED-30BRANCH: vex:1325
----------------------------------------------------------------
110202 x86 sys_waitpid(#286)
FIXED-TRUNK: vg:4329
FIXED-30BRANCH: vg:4332
----------------------------------------------------------------
110203 clock_getres(,0)
FIXED-TRUNK: vg:4328
FIXED-30BRANCH: vg:4332
----------------------------------------------------------------
110208 execve fail wrong retval
FIXED-TRUNK: vg:4330
FIXED-30BRANCH: vg:4332
----------------------------------------------------------------
110274 SSE1 now mandatory for x86
111739 ==
FIXED-TRUNK: vex:1321, vg:4339
FIXED-30BRANCH: vex:1327, vg:4374
----------------------------------------------------------------
110388 amd64 0xDD 0xD1
FIXED-TRUNK: vex:1322
FIXED-30BRANCH: vex:1328
----------------------------------------------------------------
110464 amd64 0xDC 0x1D FCOMP
FIXED-TRUNK: vex:1323
FIXED-30BRANCH: vex:1329
----------------------------------------------------------------
110478 amd64 0xF 0xD PREFETCH
FIXED-TRUNK: vex:1324
FIXED-30BRANCH: vex:1330
----------------------------------------------------------------
110591 amd64: rdtsc not implemented properly
(Also afflicts x86)
FIXED-TRUNK: vex:1344 (x86), vex:1346 (amd64).
FIXED-30BRANCH: vex:1354 (x86), vex:1355 (amd64).
----------------------------------------------------------------
110652 AMD64 valgrind crashes on cwtd instruction
FIXED-TRUNK: vex:1333
FIXED-30BRANCH: vex:1335
----------------------------------------------------------------
110653 AMD64 valgrind crashes on sarb $0x4,foo(%rip) instruction
FIXED-TRUNK: vex:1334
FIXED-30BRANCH: vex:1336
----------------------------------------------------------------
110656 PATH=/usr/bin::/bin valgrind foobar stats ./fooba
FIXED-TRUNK: vg:4386
FIXED-30BRANCH: vg:4395
----------------------------------------------------------------
110657 Small test fixes
(1) Filter out L3 cache warning messages causing problems
(2) Stop tests/mq failing on 2.4 kernels
I suppose it would be good to apply these. They seem low risk.
FIXED-TRUNK: vg:4429
FIXED-30BRANCH: vg:4458
----------------------------------------------------------------
110671 vex x86->IR: unhandled instruction bytes: 0xF3 0xC3 (rep ret)
FIXED-TRUNK: vex:1332
FIXED-30BRANCH: vex:1338
----------------------------------------------------------------
110685 amd64->IR: unhandled instruction bytes: 0xE1 0x56 (loope Jb)
FIXED-TRUNK: vex:1349
FIXED-30BRANCH: vex:1356
----------------------------------------------------------------
110830 configuring with --host fails to build 32 bit on 64 bit target
FIXED-TRUNK: vg:4442
FIXED-30BRANCH: vg:4459
----------------------------------------------------------------
110875 Assertion when execve fails
FIXED-TRUNK: vg:4435
FIXED-30BRANCH: vg:4457
----------------------------------------------------------------
110898 opteron instructions missing: btq sbbq btsq btrq bsfq
FIXED-TRUNK: vex:1352
FIXED-30BRANCH: vex:1357
----------------------------------------------------------------
110954 x86->IR: unhandled instruction bytes: 0xE2 0xF6 (loop Jb)
FIXED-TRUNK: vex:1343
FIXED-30BRANCH: vex:1358
----------------------------------------------------------------
111006 bogus warnings from linuxthreads
FIXED-TRUNK: vg:4469, vg:4470
FIXED-30BRANCH: vg:4497, vg:4498
----------------------------------------------------------------
111090 Internal Error running Massif
111808 ==
112098 ==
FIXED-TRUNK: vg:4492
FIXED-30BRANCH: vg:4509
----------------------------------------------------------------
111092 x86: dis_Grp2(Reg): unhandled case(x86)
FIXED-TRUNK: vex:1341
FIXED-30BRANCH: vex:1359
----------------------------------------------------------------
111102 (comment #4) Fixed 64-bit unclean "silly arg" message
FIXED-TRUNK: vg:4476
FIXED-30BRANCH: vg:4502
****** not yet closed
----------------------------------------------------------------
111231 sctp_getladdrs() and sctp_getpaddrs() returns uninitialized
memory
FIXED-TRUNK: vg:4549
FIXED-30BRANCH: vg:4563
----------------------------------------------------------------
111513 Illegal opcode for SSE instruction (x86 movups)
NB. Bug reporter did not yet verify that the fix works.
FIXED-TRUNK: vex:1362
FIXED-30BRANCH: vex:1367
----------------------------------------------------------------
111555 VEX/Makefile: CC is set to gcc
FIXED-TRUNK: vex:1364, vg:4559
FIXED-30BRANCH: vex:1365, vg:4560
----------------------------------------------------------------
CrispinF x86 %eflags.ac problem
FIXED-TRUNK: vex:1319/vg:4334
FIXED-30BRANCH: vex:1326, and vg:4334 was copied across as part of vg:4364
----------------------------------------------------------------
n-i-bz XML <unique> printing wrong
FIXED-TRUNK: vg:4355,vg:4357,vg:4358
FIXED-30BRANCH: vg:4585
----------------------------------------------------------------
n-i-bz Dirk r4359 (amd64 syscalls from trunk)
FIXED-TRUNK:
FIXED-30BRANCH: vg:4359
----------------------------------------------------------------
n-i-bz Dirk r4360 (upd email addrs from trunk)
FIXED-TRUNK:
FIXED-30BRANCH: vg:4360
----------------------------------------------------------------
n-i-bz Nick r4384 (stub implementations of Addrcheck and Helgrind)
FIXED-TRUNK: vg:4384
FIXED-30BRANCH: vg:4397
----------------------------------------------------------------
n-i-bz Nick (Cachegrind should not assert when it encounters a client
request.)
FIXED-TRUNK: vg:4391
FIXED-30BRANCH: vg:4393
----------------------------------------------------------------
Updates to Memcheck manual
FIXED-TRUNK: vg:4419, vg:4427, vg:4434
FIXED-30BRANCH: vg:4455
----------------------------------------------------------------
Fixed broken malloc_usable_size()
FIXED-TRUNK: vg:4439
FIXED-30BRANCH: vg:4453
----------------------------------------------------------------
Make suppressions work for "???" lines in stacktraces.
FIXED-TRUNK: vg:4447
FIXED-30BRANCH: vg:4451
----------------------------------------------------------------
n-i-bz vex x86->IR: unhandled instruction bytes: 0x14 0x0
FIXED-TRUNK: vex:1350 (basic fix), vex:1351 (x86 adc/sbb flags thunk fix),
vex:1353 (amd64 adc/sbb flags thunk fix)
FIXED-30BRANCH: vex:1360
----------------------------------------------------------------
n-i-bz minor umount/fcntl wrapper fixes
FIXED-TRUNK: vg:4487
FIXED-30BRANCH: vg:4562
----------------------------------------------------------------
n-i-bz Fix XML bugs in FAQ
FIXED-TRUNK: vg:4528
FIXED-30BRANCH: vg:4564
========================================================================
=== Bugs of note not targeted for any particular release
========================================================================
----------------------------------------------------------------
n-i-bz x86 INT/INT3
Not started. Seems low priority.
FIXED-TRUNK: TODO?
----------------------------------------------------------------
87263 x86 segment stuff
Not started. Seems low priority.
FIXED-TRUNK: TODO?
----------------------------------------------------------------
88116 x86 enter variants assert
Not started. Seems low priority.
FIXED-TRUNK: TODO?
----------------------------------------------------------------
96542 x86 16-bit pop insns
Not started. Seems low priority.
FIXED-TRUNK: TODO?
----------------------------------------------------------------
110207 mpn accuracy +
110240 x86 FP differences
Can't be easily fixed (x86 rounding/precision problem)
+ not convinced it's a big problem
FIXED-TRUNK: TODO?
----------------------------------------------------------------
110669 valgrind attach to gdb and quitting gdb hangs valgrind
Not clear if this is really a Valgrind bug.
FIXED-TRUNK: TODO?
----------------------------------------------------------------
111898 Need to control file name that cachegrind writes into
FIXED-TRUNK: TODO?
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