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Details

Type: Bug
Resolution: Unresolved
Priority: P3: Somewhat important
Fix Version/s: None
Affects Version/s: 5.14.2, 5.15.1, 5.15.2
Component/s: Widgets: Widgets and Dialogs
Labels:
None
Environment:
Kubuntu 20.10 on VirtualBox

Platform/s:

Linux/X11

Description

==3537== Invalid read of size 8
==3537== at 0x4021800: strncmp (strcmp.S:173)
==3537== by 0x40069BD: is_dst (dl-load.c:210)
==3537== by 0x40085DE: _dl_dst_count (dl-load.c:247)
==3537== by 0x40085DE: expand_dynamic_string_token (dl-load.c:389)
==3537== by 0x4008787: fillin_rpath.isra.0 (dl-load.c:461)
==3537== by 0x4008AD2: decompose_rpath (dl-load.c:632)
==3537== by 0x400AF9C: cache_rpath (dl-load.c:674)
==3537== by 0x400AF9C: cache_rpath (dl-load.c:655)
==3537== by 0x400AF9C: _dl_map_object (dl-load.c:2161)
==3537== by 0x400F594: openaux (dl-deps.c:64)
==3537== by 0x76144A7: _dl_catch_exception (dl-error-skeleton.c:208)
==3537== by 0x400FD78: _dl_map_object_deps (dl-deps.c:248)
==3537== by 0x4016265: dl_open_worker (dl-open.c:584)
==3537== by 0x76144A7: _dl_catch_exception (dl-error-skeleton.c:208)
==3537== by 0x4015B5C: _dl_open (dl-open.c:864)
==3537== Address 0xa2a7e01 is 1 bytes inside a block of size 8 alloc'd
==3537== at 0x483C7F3: malloc (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==3537== by 0x402034F: malloc (rtld-malloc.h:56)
==3537== by 0x402034F: strdup (strdup.c:42)
==3537== by 0x4008A64: decompose_rpath (dl-load.c:607)
==3537== by 0x400AF9C: cache_rpath (dl-load.c:674)
==3537== by 0x400AF9C: cache_rpath (dl-load.c:655)
==3537== by 0x400AF9C: _dl_map_object (dl-load.c:2161)
==3537== by 0x400F594: openaux (dl-deps.c:64)
==3537== by 0x76144A7: _dl_catch_exception (dl-error-skeleton.c:208)
==3537== by 0x400FD78: _dl_map_object_deps (dl-deps.c:248)
==3537== by 0x4016265: dl_open_worker (dl-open.c:584)
==3537== by 0x76144A7: _dl_catch_exception (dl-error-skeleton.c:208)
==3537== by 0x4015B5C: _dl_open (dl-open.c:864)
==3537== by 0x76EC34B: dlopen_doit (dlopen.c:66)
==3537== by 0x76144A7: _dl_catch_exception (dl-error-skeleton.c:208)
==3537==
==3537== Invalid read of size 8
==3537== at 0x4021808: strncmp (strcmp.S:175)
==3537== by 0x40069BD: is_dst (dl-load.c:210)
==3537== by 0x40085DE: _dl_dst_count (dl-load.c:247)
==3537== by 0x40085DE: expand_dynamic_string_token (dl-load.c:389)
==3537== by 0x4008787: fillin_rpath.isra.0 (dl-load.c:461)
==3537== by 0x4008AD2: decompose_rpath (dl-load.c:632)
==3537== by 0x400AF9C: cache_rpath (dl-load.c:674)
==3537== by 0x400AF9C: cache_rpath (dl-load.c:655)
==3537== by 0x400AF9C: _dl_map_object (dl-load.c:2161)
==3537== by 0x400F594: openaux (dl-deps.c:64)
==3537== by 0x76144A7: _dl_catch_exception (dl-error-skeleton.c:208)
==3537== by 0x400FD78: _dl_map_object_deps (dl-deps.c:248)
==3537== by 0x4016265: dl_open_worker (dl-open.c:584)
==3537== by 0x76144A7: _dl_catch_exception (dl-error-skeleton.c:208)
==3537== by 0x4015B5C: _dl_open (dl-open.c:864)
==3537== Address 0xa2a7e09 is 1 bytes after a block of size 8 alloc'd
==3537== at 0x483C7F3: malloc (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==3537== by 0x402034F: malloc (rtld-malloc.h:56)
==3537== by 0x402034F: strdup (strdup.c:42)
==3537== by 0x4008A64: decompose_rpath (dl-load.c:607)
==3537== by 0x400AF9C: cache_rpath (dl-load.c:674)
==3537== by 0x400AF9C: cache_rpath (dl-load.c:655)
==3537== by 0x400AF9C: _dl_map_object (dl-load.c:2161)
==3537== by 0x400F594: openaux (dl-deps.c:64)
==3537== by 0x76144A7: _dl_catch_exception (dl-error-skeleton.c:208)
==3537== by 0x400FD78: _dl_map_object_deps (dl-deps.c:248)
==3537== by 0x4016265: dl_open_worker (dl-open.c:584)
==3537== by 0x76144A7: _dl_catch_exception (dl-error-skeleton.c:208)
==3537== by 0x4015B5C: _dl_open (dl-open.c:864)
==3537== by 0x76EC34B: dlopen_doit (dlopen.c:66)
==3537== by 0x76144A7: _dl_catch_exception (dl-error-skeleton.c:208)
==3537==
==3537== Invalid read of size 8
==3537== at 0x4021800: strncmp (strcmp.S:173)
==3537== by 0x40069BD: is_dst (dl-load.c:210)
==3537== by 0x400845E: _dl_dst_substitute (dl-load.c:289)
==3537== by 0x4008787: fillin_rpath.isra.0 (dl-load.c:461)
==3537== by 0x4008AD2: decompose_rpath (dl-load.c:632)
==3537== by 0x400AF9C: cache_rpath (dl-load.c:674)
==3537== by 0x400AF9C: cache_rpath (dl-load.c:655)
==3537== by 0x400AF9C: _dl_map_object (dl-load.c:2161)
==3537== by 0x400F594: openaux (dl-deps.c:64)
==3537== by 0x76144A7: _dl_catch_exception (dl-error-skeleton.c:208)
==3537== by 0x400FD78: _dl_map_object_deps (dl-deps.c:248)
==3537== by 0x4016265: dl_open_worker (dl-open.c:584)
==3537== by 0x76144A7: _dl_catch_exception (dl-error-skeleton.c:208)
==3537== by 0x4015B5C: _dl_open (dl-open.c:864)
==3537== Address 0xa2a7e01 is 1 bytes inside a block of size 8 alloc'd
==3537== at 0x483C7F3: malloc (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==3537== by 0x402034F: malloc (rtld-malloc.h:56)
==3537== by 0x402034F: strdup (strdup.c:42)
==3537== by 0x4008A64: decompose_rpath (dl-load.c:607)
==3537== by 0x400AF9C: cache_rpath (dl-load.c:674)
==3537== by 0x400AF9C: cache_rpath (dl-load.c:655)
==3537== by 0x400AF9C: _dl_map_object (dl-load.c:2161)
==3537== by 0x400F594: openaux (dl-deps.c:64)
==3537== by 0x76144A7: _dl_catch_exception (dl-error-skeleton.c:208)
==3537== by 0x400FD78: _dl_map_object_deps (dl-deps.c:248)
==3537== by 0x4016265: dl_open_worker (dl-open.c:584)
==3537== by 0x76144A7: _dl_catch_exception (dl-error-skeleton.c:208)
==3537== by 0x4015B5C: _dl_open (dl-open.c:864)
==3537== by 0x76EC34B: dlopen_doit (dlopen.c:66)
==3537== by 0x76144A7: _dl_catch_exception (dl-error-skeleton.c:208)
==3537==
==3537== Invalid read of size 8
==3537== at 0x4021808: strncmp (strcmp.S:175)
==3537== by 0x40069BD: is_dst (dl-load.c:210)
==3537== by 0x400845E: _dl_dst_substitute (dl-load.c:289)
==3537== by 0x4008787: fillin_rpath.isra.0 (dl-load.c:461)
==3537== by 0x4008AD2: decompose_rpath (dl-load.c:632)
==3537== by 0x400AF9C: cache_rpath (dl-load.c:674)
==3537== by 0x400AF9C: cache_rpath (dl-load.c:655)
==3537== by 0x400AF9C: _dl_map_object (dl-load.c:2161)
==3537== by 0x400F594: openaux (dl-deps.c:64)
==3537== by 0x76144A7: _dl_catch_exception (dl-error-skeleton.c:208)
==3537== by 0x400FD78: _dl_map_object_deps (dl-deps.c:248)
==3537== by 0x4016265: dl_open_worker (dl-open.c:584)
==3537== by 0x76144A7: _dl_catch_exception (dl-error-skeleton.c:208)
==3537== by 0x4015B5C: _dl_open (dl-open.c:864)
==3537== Address 0xa2a7e09 is 1 bytes after a block of size 8 alloc'd
==3537== at 0x483C7F3: malloc (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==3537== by 0x402034F: malloc (rtld-malloc.h:56)
==3537== by 0x402034F: strdup (strdup.c:42)
==3537== by 0x4008A64: decompose_rpath (dl-load.c:607)
==3537== by 0x400AF9C: cache_rpath (dl-load.c:674)
==3537== by 0x400AF9C: cache_rpath (dl-load.c:655)
==3537== by 0x400AF9C: _dl_map_object (dl-load.c:2161)
==3537== by 0x400F594: openaux (dl-deps.c:64)
==3537== by 0x76144A7: _dl_catch_exception (dl-error-skeleton.c:208)
==3537== by 0x400FD78: _dl_map_object_deps (dl-deps.c:248)
==3537== by 0x4016265: dl_open_worker (dl-open.c:584)
==3537== by 0x76144A7: _dl_catch_exception (dl-error-skeleton.c:208)
==3537== by 0x4015B5C: _dl_open (dl-open.c:864)
==3537== by 0x76EC34B: dlopen_doit (dlopen.c:66)
==3537== by 0x76144A7: _dl_catch_exception (dl-error-skeleton.c:208)

main.cpp

#include <QApplication>


int main(int argc, char *argv[]) {
  QApplication a(argc, argv);
  return a.exec();
}

pro file

QT       += core gui

greaterThan(QT_MAJOR_VERSION, 4): QT += widgets

CONFIG += c++11

# You can make your code fail to compile if it uses deprecated APIs.
# In order to do so, uncomment the following line.
#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0

SOURCES += \
    main.cpp

HEADERS +=

# Default rules for deployment.
qnx: target.path = /tmp/$${TARGET}/bin
else: unix:!android: target.path = /opt/$${TARGET}/bin
!isEmpty(target.path): INSTALLS += target

I used kubuntu 20.10 on virtualbox, catched this error with 5.14.2, 5.15.1, 5.15.2, maybe more versions affected.
Clang -v

clang -v
Ubuntu clang version 11.0.0-2
Target: x86_64-pc-linux-gnu
Thread model: posix
InstalledDir: /usr/bin
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/10
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/9
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/10
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/9
Selected GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/10
Candidate multilib: .;@m64
Selected multilib: .;@m64

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Valgrind: Invalid read of size in Hello world

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