https://sourceware.org/bugzilla/show_bug.cgi?id=29382
Bug ID: 29382
Summary: nm: stack-overflow in binutils-2.37
Product: binutils
Version: 2.37
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: binutils
Assignee: unassigned at sourceware dot org
Reporter: tricker51449 at gmail dot com
Target Milestone: ---
Created attachment 14219
--> https://sourceware.org/bugzilla/attachment.cgi?id=14219&action=edit
Exception inputs
Hi, binutils team
When i use the nm in binutils-2.37, i get a stack overflow bug reported by
AddressSanitizer.
# ./binutils/nm-new -C nm_crash_0
[1] 80564 segmentation fault (core dumped)
...........
/workspace/fuzzbench/binutils/asan/nm_asan: ./0: invalid string offset
4292804940 >= 592 for section `.strtab'
/workspace/fuzzbench/binutils/asan/nm_asan: ./0: invalid string offset 4259762
>= 592 for section `.strtab'
/workspace/fuzzbench/binutils/asan/nm_asan: ./0: invalid string offset 32719 >=
592 for section `.strtab'
0000024c r
000005f4 V
00001ef4 d
00002014 D
000005ec R
000004ff t (null)
0000201c ? (null)
00001ef8 d (null)
w (null)
U (null)
00002018 D (null)
w ^_cxa_finalize@@GLI�C_2.1.
00002000 d _GLOBAL_OFFSET_TCBLE_
00000570 T _Llibc_csu_init
0000201c D _RTMC_END__
w _RTMC_END__
AddressSanitizer:DEADLYSIGNAL
=================================================================
==4128==ERROR: AddressSanitizer: stack-overflow on address 0x7ffecab91fc8 (pc
0x00000043320a bp 0x7ffecab92810 sp 0x7ffecab91fd0 T0)
#0 0x43320a in memcpy (/workspace/fuzzbench/binutils/asan/nm_asan+0x43320a)
#1 0x70e7c7 in str_buf_append
/workspace/binutils-2.37/libiberty/./rust-demangle.c:1512:3
#2 0x70e7c7 in str_buf_demangle_callback
/workspace/binutils-2.37/libiberty/./rust-demangle.c:1519:3
#3 0x7084a6 in print_str
/workspace/binutils-2.37/libiberty/./rust-demangle.c:279:5
#4 0x7084a6 in demangle_type
/workspace/binutils-2.37/libiberty/./rust-demangle.c:911:7
.....
Attached is the exception input file. Any help would be greatly appreciated.
Thanks & Best regards
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