[llvm-bugs] [Bug 42663] New: /lib64/libclangFrontend.so(+0x8401c)[0x555e67c01c] free(): invalid pointer: 0x0000005561711800
via llvm-bugs
llvm-bugs at lists.llvm.org
Thu Jul 18 03:10:04 PDT 2019
https://bugs.llvm.org/show_bug.cgi?id=42663
Bug ID: 42663
Summary: /lib64/libclangFrontend.so(+0x8401c)[0x555e67c01c]
free(): invalid pointer: 0x0000005561711800
Product: clang
Version: 3.8
Hardware: Other
OS: Linux
Status: NEW
Severity: enhancement
Priority: P
Component: C++
Assignee: unassignedclangbugs at nondot.org
Reporter: shi1986000 at 126.com
CC: blitzrakete at gmail.com, dgregor at apple.com,
erik.pilkington at gmail.com, llvm-bugs at lists.llvm.org,
richard-llvm at metafoo.co.uk
Created attachment 22255
--> https://bugs.llvm.org/attachment.cgi?id=22255&action=edit
OpenCL Programming Guide - Chapter 2 Exercise Code
Recently, I'm learnning the OpenCL Programming Guide adn use clang+llvm3.8.1 to
compile the exercise code in Chapter 2 of the book. During the execution of the
program, I encountered a serious bug about clang.
My Error info：
***********************************************************************************
[root at localhost HelloWorld]# ./HelloWorld
*** Error in `./HelloWorld': free(): invalid pointer: 0x0000005562f65800 ***
======= Backtrace: =========
/lib64/libc.so.6(+0x9f854)[0x555fb1b854]
/lib64/libc.so.6(__libc_free+0x804)[0x555fb2c22c]
/lib64/libstdc++.so.6(_ZdlPv+0x20)[0x555f8128f0]
/lib64/libstdc++.so.6(_ZNSs4_Rep10_M_destroyERKSaIcE+0x20)[0x555f8a8298]
/lib64/libclangFrontend.so(+0x8401c)[0x555fed001c]
======= Memory map: ========
120000000-120004000 r-xp 00000000 08:02 4719230
/root/TarAll/src/Chapter_2/HelloWorld/HelloWorld
120010000-120014000 r--p 00000000 08:02 4719230
/root/TarAll/src/Chapter_2/HelloWorld/HelloWorld
120014000-120018000 rw-p 00004000 08:02 4719230
/root/TarAll/src/Chapter_2/HelloWorld/HelloWorld
123604000-1236c8000 rwxp 00000000 00:00 0 [heap]
555f730000-555f758000 r-xp 00000000 08:02 4863976
/usr/lib64/ld-2.20.so
555f758000-555f764000 rw-p 00000000 00:00 0
555f764000-555f768000 rw-p 00024000 08:02 4863976
/usr/lib64/ld-2.20.so
555f784000-555f7a0000 r-xp 00000000 08:02 4863583
/usr/lib64/libOpenCL.so.1.0.0
555f7a0000-555f7ac000 ---p 0001c000 08:02 4863583
/usr/lib64/libOpenCL.so.1.0.0
555f7ac000-555f7b0000 rw-p 00018000 08:02 4863583
/usr/lib64/libOpenCL.so.1.0.0
555f7b0000-555f8e8000 r-xp 00000000 08:02 4862493
/usr/lib64/libstdc++.so.6.0.20
555f8e8000-555f8f4000 ---p 00138000 08:02 4862493
/usr/lib64/libstdc++.so.6.0.20
555f8f4000-555f900000 r--p 00134000 08:02 4862493
/usr/lib64/libstdc++.so.6.0.20
555f900000-555f908000 rw-p 00140000 08:02 4862493
/usr/lib64/libstdc++.so.6.0.20
.... .....
***********************************************************************************
My platform info
***********************************************************************************
architecture info：
[root at localhost HelloWorld]# uname -a
Linux localhost 3.10.84-21.fc21.loongson.18.mips64el #1 SMP PREEMPT Tue Apr 16
18:41:34 CST 2019 mips64 mips64 mips64 GNU/Linux
[root at localhost HelloWorld]# lscpu
Architecture: mips64
Byte Order: Little Endian
CPU(s): 4
On-line CPU(s) list: 0-3
Thread(s) per core: 1
Core(s) per socket: 4
Socket(s): 1
NUMA node(s): 1
Model name: ICT Loongson-3A R3 (Loongson-3A3000) @ 1399MHz
CPU max MHz: 1399.9860
CPU min MHz: 349.9960
NUMA node0 CPU(s): 0-3
&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&
rpm packages info：
[root at localhost HelloWorld]# rpm -qa | grep llvm
llvm-devel-3.8.1-3.fc21.loongson.2.mips64el
llvm-static-3.8.1-3.fc21.loongson.2.mips64el
llvm-libs-3.8.1-3.fc21.loongson.2.mips64el
llvm-3.8.1-3.fc21.loongson.2.mips64el
llvm-debuginfo-3.8.1-3.fc21.loongson.2.mips64el
[root at localhost HelloWorld]# rpm -qa | grep clang
clang-libs-3.8.1-1.fc21.loongson.2.mips64el
clang-devel-3.8.1-1.fc21.loongson.2.mips64el
clang-analyzer-3.8.1-1.fc21.loongson.2.noarch
clang-debuginfo-3.8.1-1.fc21.loongson.2.mips64el
clang-3.8.1-1.fc21.loongson.2.mips64el
[root at localhost HelloWorld]# rpm -qa | grep libclc
libclc-0.0.1-11.20150918git4346c30.fc21.loongson.mips64el
libclc-devel-0.0.1-11.20150918git4346c30.fc21.loongson.mips64el
[root at localhost HelloWorld]# rpm -qa | grep libOpenCL
mesa-libOpenCL-11.1.0-5.20151218.fc21.loongson.6.mips64el
mesa-libOpenCL-devel-11.1.0-5.20151218.fc21.loongson.6.mips64el
***********************************************************************************
other info:
[root at localhost HelloWorld]# llc -version
LLVM (http://llvm.org/):
LLVM version 3.8.1
Optimized build.
Built Jul 8 2019 (07:52:07).
Default target: mips64el-redhat-linux
Host CPU: (unknown)
Registered Targets:
amdgcn - AMD GCN GPUs
bpf - BPF (host endian)
bpfeb - BPF (big endian)
bpfel - BPF (little endian)
cpp - C++ backend
mips - Mips
mips64 - Mips64 [experimental]
mips64el - Mips64el [experimental]
mipsel - Mipsel
nvptx - NVIDIA PTX 32-bit
nvptx64 - NVIDIA PTX 64-bit
r600 - AMD GPUs HD2XXX-HD6XXX
systemz - SystemZ
[root at localhost HelloWorld]# llc -version
LLVM (http://llvm.org/):
LLVM version 3.8.1
Optimized build.
Built Jul 8 2019 (07:52:07).
Default target: mips64el-redhat-linux
Host CPU: (unknown)
Registered Targets:
amdgcn - AMD GCN GPUs
bpf - BPF (host endian)
bpfeb - BPF (big endian)
bpfel - BPF (little endian)
cpp - C++ backend
mips - Mips
mips64 - Mips64 [experimental]
mips64el - Mips64el [experimental]
mipsel - Mipsel
nvptx - NVIDIA PTX 32-bit
nvptx64 - NVIDIA PTX 64-bit
r600 - AMD GPUs HD2XXX-HD6XXX
systemz - SystemZ
[root at localhost HelloWorld]# clinfo
Number of platforms 1
Platform Name Clover
Platform Vendor Mesa
Platform Version OpenCL 1.1 MESA 11.1.0
Platform Profile FULL_PROFILE
Platform Extensions cl_khr_icd
Platform Extensions function suffix MESA
Platform Name Clover
Number of devices 1
Device Name AMD CAICOS (DRM 2.49.0, LLVM
3.8.1)
Device Vendor AMD
Device Vendor ID 0x1002
Device Version OpenCL 1.1 MESA 11.1.0
Driver Version 11.1.0
Device OpenCL C Version OpenCL C 1.1
Device Type GPU
Device Profile FULL_PROFILE
Max compute units 2
Max clock frequency 775MHz
Max work item dimensions 3
Max work item sizes 256x256x256
Max work group size 256
Preferred work group size multiple 64
Preferred / native vector sizes
char 16 / 16
short 8 / 8
int 4 / 4
long 2 / 2
half 0 / 0 (n/a)
float 4 / 4
double 0 / 0 (n/a)
Half-precision Floating-point support (n/a)
Single-precision Floating-point support (core)
Denormals No
Infinity and NANs Yes
Round to nearest Yes
Round to zero No
Round to infinity No
IEEE754-2008 fused multiply-add No
Support is emulated in software No
Correctly-rounded divide and sqrt operations No
Double-precision Floating-point support (n/a)
Address bits 32, Little-Endian
Global memory size 1073741824 (1024MiB)
Error Correction support No
Max memory allocation 268435456 (256MiB)
Unified memory for Host and Device Yes
Minimum alignment for any data type 128 bytes
Alignment of base address 1024 bits (128 bytes)
Global Memory cache type None
Image support No
Local memory type Local
Local memory size 32768 (32KiB)
Max constant buffer size 268435456 (256MiB)
Max number of constant args 13
Max size of kernel argument 1024
Queue properties
Out-of-order execution No
Profiling Yes
Profiling timer resolution 0ns
Execution capabilities
Run OpenCL kernels Yes
Run native kernels No
Device Available Yes
Compiler Available Yes
Device Extensions
cl_khr_global_int32_base_atomics cl_khr_global_int32_extended_atomics
cl_khr_local_int32_base_atomics cl_khr_local_int32_extended_atomics
cl_khr_byte_addressable_store
NULL platform behavior
clGetPlatformInfo(NULL, CL_PLATFORM_NAME, ...) Clover
clGetDeviceIDs(NULL, CL_DEVICE_TYPE_ALL, ...) Success [MESA]
clCreateContext(NULL, ...) [default] Success [MESA]
clCreateContextFromType(NULL, CL_DEVICE_TYPE_CPU) No devices found in
platform
clCreateContextFromType(NULL, CL_DEVICE_TYPE_GPU) Success (1)
Platform Name Clover
Device Name AMD CAICOS (DRM 2.49.0, LLVM
3.8.1)
clCreateContextFromType(NULL, CL_DEVICE_TYPE_ACCELERATOR) No devices found
in platform
clCreateContextFromType(NULL, CL_DEVICE_TYPE_CUSTOM) No devices found in
platform
clCreateContextFromType(NULL, CL_DEVICE_TYPE_ALL) Success (1)
Platform Name Clover
Device Name AMD CAICOS (DRM 2.49.0, LLVM
3.8.1)
ICD loader properties
ICD loader Name OpenCL ICD Loader
ICD loader Vendor OCL Icd free software
ICD loader Version 2.2.7
ICD loader Profile OpenCL 1.2
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