https://sourceware.org/bugzilla/show_bug.cgi?id=25078
Bug ID: 25078
Summary: stack overflow in function find_abstract_instance
Product: binutils
Version: 2.34 (HEAD)
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: binutils
Assignee: unassigned at sourceware dot org
Reporter: bugzilla.sourceware at qiushi dot ac.cn
Target Milestone: ---
Created attachment 12031
--> https://sourceware.org/bugzilla/attachment.cgi?id=12031&action=edit
poc6
```
# ./binutils-gdb/binutils/nm-new -A -a -l -S -s --special-syms --synthetic
--with-symbol-versions -D poc6_stack-overflow_find_abstract_instance
ASAN:SIGSEGV
=================================================================
==7==ERROR: AddressSanitizer: stack-overflow on address 0x7fffff7fef28 (pc
0x000000692d37 bp 0x62200001c980 sp 0x7fffff7feee0 T0)
#0 0x692d36 in find_abstract_instance dwarf2.c:2815
#1 0x693e6a in find_abstract_instance dwarf2.c:2987
#2 0x693e6a in find_abstract_instance dwarf2.c:2987
#3 0x693e6a in find_abstract_instance dwarf2.c:2987
#4 0x693e6a in find_abstract_instance dwarf2.c:2987
#5 0x693e6a in find_abstract_instance dwarf2.c:2987
#6 0x693e6a in find_abstract_instance dwarf2.c:2987
#7 0x693e6a in find_abstract_instance dwarf2.c:2987
#8 0x693e6a in find_abstract_instance dwarf2.c:2987
#9 0x693e6a in find_abstract_instance dwarf2.c:2987
#10 0x693e6a in find_abstract_instance dwarf2.c:2987
...
#251 0x693e6a in find_abstract_instance dwarf2.c:2987
SUMMARY: AddressSanitizer: stack-overflow dwarf2.c:2815 find_abstract_instance
==7==ABORTING
```
Reproducible Docker image has been pushd to
`zjuchenyuan/dockerized_poc:binutils-pocs`, Dockerfile:
```
FROM zjuchenyuan/afl
ENV AFL_USE_ASAN=1
RUN git clone git://sourceware.org/git/binutils-gdb.git --depth 50 &&\
cd binutils-gdb &&\
git checkout 816228ed09dc867fa16dc5458277d649885d98fe &&\
./configure --disable-shared &&\
for i in bfd libiberty opcodes libctf; do cd $i; ./configure
--disable-shared && make -j; cd ..; done &&\
cd binutils &&\
./configure --disable-shared &&\
make objdump nm-new size readelf cxxfilt
RUN apt install -y gdb &&\
echo -e "set pagination off\nset confirm off" > /root/.gdbinit
ADD . /
RUN ./binutils-gdb/binutils/nm-new -A -a -l -S -s --special-syms --synthetic
--with-symbol-versions -D poc6_stack-overflow_find_abstract_instance || exit 0
```
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