https://sourceware.org/bugzilla/show_bug.cgi?id=22510
Bug ID: 22510
Summary: Segmentation fault on load_debug_section
Product: binutils
Version: 2.30 (HEAD)
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: binutils
Assignee: unassigned at sourceware dot org
Reporter: mgcho.minic at gmail dot com
Target Milestone: ---
Created attachment 10646
--> https://sourceware.org/bugzilla/attachment.cgi?id=10646&action=edit
poc of the crash
Triggered by "./readelf -w $POC"
Tested on Ubuntu 16.04 (x86)
Segmentation fault occurred when processing malformed ELF file.
The GDB debugging information is as follows:
Program received signal SIGSEGV, Segmentation fault.
0x08049298 in load_debug_section (debug=str, data=0x8104908) at readelf.c:13584
13584 if (strs != NULL && strs->sh_size != 0)
(gdb) bt
#0 0x08049298 in load_debug_section (debug=str, data=0x8104908) at
readelf.c:13584
#1 0x0809abcf in load_separate_debug_file (file=0x8104908,
filename=0xbffff2b8 "/home/min/Downloads/load_debug_section") at
dwarf.c:9839
#2 0x0805264f in process_object (filedata=0x8104908) at readelf.c:18569
#3 0x0804b079 in process_file (file_name=0xbffff2b8
"/home/min/Downloads/load_debug_section") at readelf.c:18991
#4 0x0804a42a in main (argc=3, argv=0xbffff0a4) at readelf.c:19050
Credits:
Mingi Cho and Taekyoung Kwon of the Information Security Lab, Yonsei
University.
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