https://sourceware.org/bugzilla/show_bug.cgi?id=33016
Bug ID: 33016
Summary: Stack Overflow in c++filt's demangle_path and
demangle_type Functions
Product: binutils
Version: unspecified
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: binutils
Assignee: unassigned at sourceware dot org
Reporter: xdcao.cs at gmail dot com
Target Milestone: ---
Summary
Stack Overflow in c++filt's demangle_path and demangle_type Functions
Environment
elfutils version: 0.192
OS: Ubuntu 22.04.5 LTS
Steps to reproduce
# export CFLAGS="-g -O0 -fno-inline -fno-lto -fsanitize=address"
# export CXXFLAGS="-g -O0 -fno-inline -fno-lto -fsanitize=address"
# ./configure --enable-maintainer-mode --disable-debuginfod
# make -j64 & make install
root@46b925a575de:# ./c++filt -r @POC
AddressSanitizer:DEADLYSIGNAL
=================================================================
==659719==ERROR: AddressSanitizer: stack-overflow on address 0x7ffc02ed3ec8 (pc
0x0000004997f6 bp 0x7ffc02ed4710 sp 0x7ffc02ed3ed0 T0)
#0 0x4997f6 in __asan_memcpy
(/workspace/new-test/fuzzdir/fz-binutils/fz-c++filt/c++filt+0x4997f6)
#1 0x8a55d5 in str_buf_append
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1572:3
#2 0x8a2586 in print_str
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:279:5
#3 0x8a4514 in demangle_path
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:758:7
#4 0x8a6db9 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1062:7
#5 0x8a6d56 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1055:11
#6 0x8a451c in demangle_path
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:759:7
#7 0x8a6db9 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1062:7
#8 0x8a6d56 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1055:11
#9 0x8a451c in demangle_path
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:759:7
#10 0x8a6db9 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1062:7
#11 0x8a6d56 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1055:11
#12 0x8a451c in demangle_path
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:759:7
#13 0x8a6db9 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1062:7
#14 0x8a6d56 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1055:11
#15 0x8a451c in demangle_path
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:759:7
#16 0x8a6db9 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1062:7
#17 0x8a6d56 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1055:11
#18 0x8a451c in demangle_path
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:759:7
#19 0x8a6db9 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1062:7
#20 0x8a6d56 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1055:11
#21 0x8a451c in demangle_path
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:759:7
#22 0x8a6db9 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1062:7
#23 0x8a6d56 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1055:11
#24 0x8a451c in demangle_path
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:759:7
#25 0x8a6db9 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1062:7
#26 0x8a6d56 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1055:11
#27 0x8a451c in demangle_path
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:759:7
#28 0x8a6db9 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1062:7
#29 0x8a6d56 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1055:11
#30 0x8a451c in demangle_path
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:759:7
#31 0x8a6db9 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1062:7
#32 0x8a6d56 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1055:11
#33 0x8a451c in demangle_path
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:759:7
#34 0x8a6db9 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1062:7
#35 0x8a6d56 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1055:11
#36 0x8a451c in demangle_path
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:759:7
#37 0x8a6db9 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1062:7
#38 0x8a6d56 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1055:11
#39 0x8a451c in demangle_path
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:759:7
#40 0x8a6db9 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1062:7
#41 0x8a6d56 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1055:11
#42 0x8a451c in demangle_path
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:759:7
#43 0x8a6db9 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1062:7
#44 0x8a6d56 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1055:11
#45 0x8a451c in demangle_path
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:759:7
#46 0x8a6db9 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1062:7
#47 0x8a6d56 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1055:11
#48 0x8a451c in demangle_path
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:759:7
#49 0x8a6db9 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1062:7
#50 0x8a6d56 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1055:11
#51 0x8a451c in demangle_path
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:759:7
#52 0x8a6db9 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1062:7
#53 0x8a6d56 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1055:11
#54 0x8a451c in demangle_path
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:759:7
#55 0x8a6db9 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1062:7
#56 0x8a6d56 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1055:11
#57 0x8a451c in demangle_path
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:759:7
#58 0x8a6db9 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1062:7
#59 0x8a6d56 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1055:11
#60 0x8a451c in demangle_path
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:759:7
#61 0x8a6db9 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1062:7
#62 0x8a6d56 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1055:11
#63 0x8a451c in demangle_path
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:759:7
#64 0x8a6db9 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1062:7
#65 0x8a6d56 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1055:11
#66 0x8a451c in demangle_path
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:759:7
#67 0x8a6db9 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1062:7
#68 0x8a6d56 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1055:11
#69 0x8a451c in demangle_path
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:759:7
#70 0x8a6db9 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1062:7
#71 0x8a6d56 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1055:11
#72 0x8a451c in demangle_path
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:759:7
#73 0x8a6db9 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1062:7
#74 0x8a6d56 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1055:11
#75 0x8a451c in demangle_path
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:759:7
#76 0x8a6db9 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1062:7
#77 0x8a6d56 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1055:11
#78 0x8a451c in demangle_path
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:759:7
#79 0x8a6db9 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1062:7
#80 0x8a6d56 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1055:11
#81 0x8a451c in demangle_path
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:759:7
#82 0x8a6db9 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1062:7
#83 0x8a6d56 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1055:11
#84 0x8a451c in demangle_path
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:759:7
#85 0x8a6db9 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1062:7
#86 0x8a6d56 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1055:11
#87 0x8a451c in demangle_path
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:759:7
#88 0x8a6db9 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1062:7
#89 0x8a6d56 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1055:11
#90 0x8a451c in demangle_path
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:759:7
#91 0x8a6db9 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1062:7
#92 0x8a6d56 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1055:11
#93 0x8a451c in demangle_path
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:759:7
#94 0x8a6db9 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1062:7
#95 0x8a6d56 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1055:11
#96 0x8a451c in demangle_path
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:759:7
#97 0x8a6db9 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1062:7
#98 0x8a6d56 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1055:11
#99 0x8a451c in demangle_path
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:759:7
#100 0x8a6db9 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1062:7
#101 0x8a6d56 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1055:11
#102 0x8a451c in demangle_path
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:759:7
#103 0x8a6db9 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1062:7
#104 0x8a6d56 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1055:11
#105 0x8a451c in demangle_path
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:759:7
#106 0x8a6db9 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1062:7
#107 0x8a6d56 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1055:11
#108 0x8a451c in demangle_path
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:759:7
#109 0x8a6db9 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1062:7
#110 0x8a6d56 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1055:11
#111 0x8a451c in demangle_path
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:759:7
#112 0x8a6db9 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1062:7
#113 0x8a6d56 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1055:11
#114 0x8a451c in demangle_path
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:759:7
#115 0x8a6db9 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1062:7
#116 0x8a6d56 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1055:11
#117 0x8a451c in demangle_path
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:759:7
#118 0x8a6db9 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1062:7
#119 0x8a6d56 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1055:11
#120 0x8a451c in demangle_path
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:759:7
#121 0x8a6db9 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1062:7
#122 0x8a6d56 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1055:11
#123 0x8a451c in demangle_path
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:759:7
#124 0x8a6db9 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1062:7
#125 0x8a6d56 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1055:11
#126 0x8a451c in demangle_path
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:759:7
#127 0x8a6db9 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1062:7
#128 0x8a6d56 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1055:11
#129 0x8a451c in demangle_path
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:759:7
#130 0x8a6db9 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1062:7
#131 0x8a6d56 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1055:11
#132 0x8a451c in demangle_path
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:759:7
#133 0x8a6db9 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1062:7
#134 0x8a6d56 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1055:11
#135 0x8a451c in demangle_path
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:759:7
#136 0x8a6db9 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1062:7
#137 0x8a6d56 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1055:11
#138 0x8a451c in demangle_path
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:759:7
#139 0x8a6db9 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1062:7
#140 0x8a6d56 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1055:11
#141 0x8a451c in demangle_path
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:759:7
#142 0x8a6db9 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1062:7
#143 0x8a6d56 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1055:11
#144 0x8a451c in demangle_path
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:759:7
#145 0x8a6db9 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1062:7
#146 0x8a6d56 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1055:11
#147 0x8a451c in demangle_path
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:759:7
#148 0x8a6db9 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1062:7
#149 0x8a6d56 in demangle_type
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#150 0x8a451c in demangle_path
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#151 0x8a6db9 in demangle_type
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#153 0x8a451c in demangle_path
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#156 0x8a451c in demangle_path
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#157 0x8a6db9 in demangle_type
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#158 0x8a6d56 in demangle_type
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#160 0x8a6db9 in demangle_type
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#161 0x8a6d56 in demangle_type
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#163 0x8a6db9 in demangle_type
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#164 0x8a6d56 in demangle_type
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#165 0x8a451c in demangle_path
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#166 0x8a6db9 in demangle_type
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#167 0x8a6d56 in demangle_type
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#168 0x8a451c in demangle_path
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#169 0x8a6db9 in demangle_type
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#170 0x8a6d56 in demangle_type
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#171 0x8a451c in demangle_path
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#172 0x8a6db9 in demangle_type
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#173 0x8a6d56 in demangle_type
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#174 0x8a451c in demangle_path
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#175 0x8a6db9 in demangle_type
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#176 0x8a6d56 in demangle_type
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#177 0x8a451c in demangle_path
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#178 0x8a6db9 in demangle_type
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#179 0x8a6d56 in demangle_type
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#180 0x8a451c in demangle_path
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#181 0x8a6db9 in demangle_type
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#182 0x8a6d56 in demangle_type
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#184 0x8a6db9 in demangle_type
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#185 0x8a6d56 in demangle_type
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#186 0x8a451c in demangle_path
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#187 0x8a6db9 in demangle_type
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#188 0x8a6d56 in demangle_type
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#189 0x8a451c in demangle_path
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#190 0x8a6db9 in demangle_type
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#191 0x8a6d56 in demangle_type
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#192 0x8a451c in demangle_path
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#193 0x8a6db9 in demangle_type
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#194 0x8a6d56 in demangle_type
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#195 0x8a451c in demangle_path
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#196 0x8a6db9 in demangle_type
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#197 0x8a6d56 in demangle_type
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#198 0x8a451c in demangle_path
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#199 0x8a6db9 in demangle_type
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#200 0x8a6d56 in demangle_type
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#201 0x8a451c in demangle_path
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#202 0x8a6db9 in demangle_type
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#203 0x8a6d56 in demangle_type
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#206 0x8a6d56 in demangle_type
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#209 0x8a6d56 in demangle_type
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#210 0x8a451c in demangle_path
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#211 0x8a6db9 in demangle_type
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#212 0x8a6d56 in demangle_type
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#213 0x8a451c in demangle_path
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:759:7
#214 0x8a6db9 in demangle_type
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#215 0x8a6d56 in demangle_type
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#216 0x8a451c in demangle_path
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#217 0x8a6db9 in demangle_type
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#220 0x8a6db9 in demangle_type
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#223 0x8a6db9 in demangle_type
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#224 0x8a6d56 in demangle_type
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#227 0x8a6d56 in demangle_type
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#231 0x8a451c in demangle_path
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#232 0x8a6db9 in demangle_type
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#233 0x8a6d56 in demangle_type
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#234 0x8a451c in demangle_path
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#235 0x8a6db9 in demangle_type
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#236 0x8a6d56 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1055:11
#237 0x8a451c in demangle_path
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:759:7
#238 0x8a6db9 in demangle_type
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#239 0x8a6d56 in demangle_type
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#240 0x8a451c in demangle_path
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#241 0x8a6db9 in demangle_type
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#242 0x8a6d56 in demangle_type
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#243 0x8a451c in demangle_path
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:759:7
#244 0x8a6db9 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1062:7
#245 0x8a6d56 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1055:11
#246 0x8a451c in demangle_path
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:759:7
#247 0x8a6db9 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1062:7
#248 0x8a6d56 in demangle_type
/root/this-program/binutils-gdb/build/libiberty/../../libiberty/rust-demangle.c:1055:11
SUMMARY: AddressSanitizer: stack-overflow
(/workspace/new-test/fuzzdir/fz-binutils/fz-c++filt/c++filt+0x4997f6) in
__asan_memcpy
==659719==ABORTING
POC
https://drive.google.com/file/d/1zlAvXjGiLQmTNCgfOzcPA-_Kdu6gijF3/view?usp=sharing
Credit
Xiaoguo Li (CUPL)
Xudong Cao (UCAS)
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