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* [Bug demangler/106224] New: stack-overflow rust-demangle.c:90/99/110/111/670/689, as demonstrated by cxxfilt
@ 2022-07-07 9:44 13579and24680 at gmail dot com
2022-07-07 10:05 ` [Bug demangler/106224] " 13579and24680 at gmail dot com
0 siblings, 1 reply; 2+ messages in thread
From: 13579and24680 at gmail dot com @ 2022-07-07 9:44 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106224
Bug ID: 106224
Summary: stack-overflow rust-demangle.c:90/99/110/111/670/689,
as demonstrated by cxxfilt
Product: gcc
Version: unknown
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: demangler
Assignee: unassigned at gcc dot gnu.org
Reporter: 13579and24680 at gmail dot com
Target Milestone: ---
Created attachment 53272
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=53272&action=edit
poc generated by afl and afl-tmin
$ git log
commit 045f385d9a1ee7269d3fa50657c4c7d1d7ba6c0f (HEAD -> master, origin/master,
origin/HEAD)
Author: Tsukasa OI <research_trasio@irq.a4lg.com>
Date: Mon Jun 27 11:03:43 2022 +0900
normal run:
$ git clone git://sourceware.org/git/binutils-gdb.git
$ cd binutils-gdb
$ ./configure
$ make
$ ./binutils/cxxfilt -r -n < poc00
[1] 37900 segmentation fault (core dumped) ./binutils/cxxfilt -r -n < poc00
asan report:
$ git clone git://sourceware.org/git/binutils-gdb.git
$ cd binutils-gdb
$ CC=gcc CFLAGS='-fsanitize=address -g' CXXFLAGS='-fsanitize=address -g'
./configure
$ make
$ ./binutils/cxxfilt -r -n < poc00
AddressSanitizer:DEADLYSIGNAL
=================================================================
==732977==ERROR: AddressSanitizer: stack-overflow on address 0x7ffe291cffa8 (pc
0x55eb573ced6d bp 0x7ffe291d00a0 sp 0x7ffe291cff80 T0)
#0 0x55eb573ced6c in demangle_path rust-demangle.c:670
#1 0x55eb573cf91e in demangle_path rust-demangle.c:786
#2 0x55eb573cf91e in demangle_path rust-demangle.c:786
#3 0x55eb573cf91e in demangle_path rust-demangle.c:786
#4 0x55eb573cf91e in demangle_path rust-demangle.c:786
#5 0x55eb573cf91e in demangle_path rust-demangle.c:786
#6 0x55eb573cf91e in demangle_path rust-demangle.c:786
#7 0x55eb573cf91e in demangle_path rust-demangle.c:786
#8 0x55eb573cf91e in demangle_path rust-demangle.c:786
#9 0x55eb573cf91e in demangle_path rust-demangle.c:786
#10 0x55eb573cf91e in demangle_path rust-demangle.c:786
#11 0x55eb573cf91e in demangle_path rust-demangle.c:786
#12 0x55eb573cf91e in demangle_path rust-demangle.c:786
#13 0x55eb573cf91e in demangle_path rust-demangle.c:786
#14 0x55eb573cf91e in demangle_path rust-demangle.c:786
#15 0x55eb573cf91e in demangle_path rust-demangle.c:786
#16 0x55eb573cf91e in demangle_path rust-demangle.c:786
#17 0x55eb573cf91e in demangle_path rust-demangle.c:786
#18 0x55eb573cf91e in demangle_path rust-demangle.c:786
#19 0x55eb573cf91e in demangle_path rust-demangle.c:786
#20 0x55eb573cf91e in demangle_path rust-demangle.c:786
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#23 0x55eb573cf91e in demangle_path rust-demangle.c:786
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#25 0x55eb573cf91e in demangle_path rust-demangle.c:786
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#34 0x55eb573cf91e in demangle_path rust-demangle.c:786
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#110 0x55eb573cf91e in demangle_path rust-demangle.c:786
#111 0x55eb573cf91e in demangle_path rust-demangle.c:786
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#118 0x55eb573cf91e in demangle_path rust-demangle.c:786
#119 0x55eb573cf91e in demangle_path rust-demangle.c:786
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#180 0x55eb573cf91e in demangle_path rust-demangle.c:786
#181 0x55eb573cf91e in demangle_path rust-demangle.c:786
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#184 0x55eb573cf91e in demangle_path rust-demangle.c:786
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#190 0x55eb573cf91e in demangle_path rust-demangle.c:786
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#237 0x55eb573cf91e in demangle_path rust-demangle.c:786
#238 0x55eb573cf91e in demangle_path rust-demangle.c:786
#239 0x55eb573cf91e in demangle_path rust-demangle.c:786
#240 0x55eb573cf91e in demangle_path rust-demangle.c:786
#241 0x55eb573cf91e in demangle_path rust-demangle.c:786
#242 0x55eb573cf91e in demangle_path rust-demangle.c:786
#243 0x55eb573cf91e in demangle_path rust-demangle.c:786
#244 0x55eb573cf91e in demangle_path rust-demangle.c:786
#245 0x55eb573cf91e in demangle_path rust-demangle.c:786
#246 0x55eb573cf91e in demangle_path rust-demangle.c:786
#247 0x55eb573cf91e in demangle_path rust-demangle.c:786
#248 0x55eb573cf91e in demangle_path rust-demangle.c:786
SUMMARY: AddressSanitizer: stack-overflow rust-demangle.c:670 in demangle_path
==732977==ABORTING
(the line asan report is different sometimes)
^ permalink raw reply [flat|nested] 2+ messages in thread
* [Bug demangler/106224] stack-overflow rust-demangle.c:90/99/110/111/670/689, as demonstrated by cxxfilt
2022-07-07 9:44 [Bug demangler/106224] New: stack-overflow rust-demangle.c:90/99/110/111/670/689, as demonstrated by cxxfilt 13579and24680 at gmail dot com
@ 2022-07-07 10:05 ` 13579and24680 at gmail dot com
0 siblings, 0 replies; 2+ messages in thread
From: 13579and24680 at gmail dot com @ 2022-07-07 10:05 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106224
--- Comment #1 from 曾思維 <13579and24680 at gmail dot com> ---
(-r is enough to trigger it)
$ ./binutils/cxxfilt -r < poc00
^ permalink raw reply [flat|nested] 2+ messages in thread
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2022-07-07 9:44 [Bug demangler/106224] New: stack-overflow rust-demangle.c:90/99/110/111/670/689, as demonstrated by cxxfilt 13579and24680 at gmail dot com
2022-07-07 10:05 ` [Bug demangler/106224] " 13579and24680 at gmail dot com
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