https://sourceware.org/bugzilla/show_bug.cgi?id=33024
Bug ID: 33024
Summary: Segmentation Fault in elfedit's byte_get_little_endian
Function
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
Segmentation Fault in elfedit's byte_get_little_endian Function
Environment
GNU Binutils version: 2.44.50 & master
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 --disable-werror --enable-targets=all --enable-gold[=yes]
# make -j64 & make install
root@46b925a575de:# ./elfedit --enable-x86-feature ibt POC
AddressSanitizer:DEADLYSIGNAL
=================================================================
==1700934==ERROR: AddressSanitizer: SEGV on unknown address 0x122ed5158a00 (pc
0x0000004d2c5b bp 0x7fff714a2d70 sp 0x7fff714a2b40 T0)
==1700934==The signal is caused by a READ memory access.
#0 0x4d2c5b in byte_get_little_endian
/root/this-program/binutils-gdb/build/binutils/../../binutils/elfcomm.c:132:26
#1 0x4cf713 in update_gnu_property
/root/this-program/binutils-gdb/build/binutils/../../binutils/elfedit.c:135:22
#2 0x4cd426 in process_file
/root/this-program/binutils-gdb/build/binutils/../../binutils/elfedit.c:803:8
#3 0x4cbd58 in main
/root/this-program/binutils-gdb/build/binutils/../../binutils/elfedit.c:1102:15
#4 0x7f72ab62fd8f in __libc_start_call_main
csu/../sysdeps/nptl/libc_start_call_main.h:58:16
#5 0x7f72ab62fe3f in __libc_start_main csu/../csu/libc-start.c:392:3
#6 0x41f424 in _start
(/workspace/new-test/fuzzdir/fz-binutils/fz-elfedit/elfedit+0x41f424)
AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV
/root/this-program/binutils-gdb/build/binutils/../../binutils/elfcomm.c:132:26
in byte_get_little_endian
==1700934==ABORTING
POC
https://drive.google.com/file/d/1uUnR_brFZFSEtDIJCKb1yLe_bHMGLah4/view?usp=sharing
redit
Xiaoguo Li (CUPL)
Xudong Cao (UCAS)
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