https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99687
Bug ID: 99687
Summary: AddressSanitizer: alloc-dealloc-mismatch (malloc vs
operator delete) on 0x604000000d50
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: marxin at gcc dot gnu.org
CC: nathan at gcc dot gnu.org
Blocks: 86656
Target Milestone: ---
I noticed this issue:
$ ./xg++ -B.
/home/marxin/Programming/gcc2/gcc/testsuite/g++.dg/modules/keyword-1_a.C -c
-std=c++17 -fmodules-ts
=================================================================
==26209==ERROR: AddressSanitizer: alloc-dealloc-mismatch (malloc vs operator
delete) on 0x604000000d50
#0 0x7ffff7674f47 in operator delete(void*, unsigned long)
(/usr/lib64/libasan.so.6+0xb3f47)
#1 0xf4cfd6 in fini_modules()
/home/marxin/Programming/gcc2/gcc/cp/module.cc:20012
#2 0xda5f20 in c_parse_final_cleanups()
/home/marxin/Programming/gcc2/gcc/cp/decl2.c:5239
#3 0x1493a37 in c_common_parse_file()
/home/marxin/Programming/gcc2/gcc/c-family/c-opts.c:1240
#4 0x27a4946 in compile_file /home/marxin/Programming/gcc2/gcc/toplev.c:457
#5 0x27add07 in do_compile /home/marxin/Programming/gcc2/gcc/toplev.c:2201
#6 0x27ae56b in toplev::main(int, char**)
/home/marxin/Programming/gcc2/gcc/toplev.c:2340
#7 0x5179dcb in main /home/marxin/Programming/gcc2/gcc/main.c:39
#8 0x7ffff7095b24 in __libc_start_main ../csu/libc-start.c:332
#9 0xab9c1d in _start
(/home/marxin/Programming/gcc2/objdir/gcc/cc1plus+0xab9c1d)
0x604000000d50 is located 0 bytes inside of 40-byte region
[0x604000000d50,0x604000000d78)
allocated by thread T0 here:
#0 0x7ffff767295f in __interceptor_malloc (/usr/lib64/libasan.so.6+0xb195f)
#1 0x53c4a47 in xrealloc
/home/marxin/Programming/gcc2/libiberty/xmalloc.c:177
#2 0xf64061 in void va_heap::reserve<binding_slot>(vec<binding_slot,
va_heap, vl_embed>*&, unsigned int, bool)
/home/marxin/Programming/gcc2/gcc/vec.h:290
#3 0xf5ac8d in bool vec_safe_reserve<binding_slot,
va_heap>(vec<binding_slot, va_heap, vl_embed>*&, unsigned int, bool)
/home/marxin/Programming/gcc2/gcc/vec.h:698
#4 0xf4bbc0 in init_modules(cpp_reader*)
/home/marxin/Programming/gcc2/gcc/cp/module.cc:19779
#5 0xce903a in cxx_init_decl_processing()
/home/marxin/Programming/gcc2/gcc/cp/decl.c:4708
#6 0xe42537 in cxx_init() /home/marxin/Programming/gcc2/gcc/cp/lex.c:330
#7 0x27ac419 in lang_dependent_init
/home/marxin/Programming/gcc2/gcc/toplev.c:1889
#8 0x27adc03 in do_compile /home/marxin/Programming/gcc2/gcc/toplev.c:2186
#9 0x27ae56b in toplev::main(int, char**)
/home/marxin/Programming/gcc2/gcc/toplev.c:2340
#10 0x5179dcb in main /home/marxin/Programming/gcc2/gcc/main.c:39
#11 0x7ffff7095b24 in __libc_start_main ../csu/libc-start.c:332
SUMMARY: AddressSanitizer: alloc-dealloc-mismatch
(/usr/lib64/libasan.so.6+0xb3f47) in operator delete(void*, unsigned long)
==26209==HINT: if you don't care about these errors you may set
ASAN_OPTIONS=alloc_dealloc_mismatch=0
==26209==ABORTING
Referenced Bugs:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86656
[Bug 86656] [meta-bug] Issues found with -fsanitize=address
