https://sourceware.org/bugzilla/show_bug.cgi?id=25082
Bug ID: 25082
Summary: Multiple crashes in eu-unstrip
Product: elfutils
Version: unspecified
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: tools
Assignee: unassigned at sourceware dot org
Reporter: leftcopy.chx at gmail dot com
CC: elfutils-devel at sourceware dot org
Target Milestone: ---
Created attachment 12033
--> https://sourceware.org/bugzilla/attachment.cgi?id=12033&action=edit
pocs and error messages
When executing `./eu-unstrip $FILE ./stripped -o /dev/null`, there might be
some crashes if elfutils is built with ASAN. e.g., invalid read at
unstrip.c:1661, unstrip.c:1663, unstrip.c:444 and unstrip.c:774.
The relevant files are attached.
ASAN:DEADLYSIGNAL
=================================================================
==19829==ERROR: AddressSanitizer: SEGV on unknown address 0x1000802274a1 (pc
0x5555555673e7 bp 0x7fffffffbd10 sp 0x7fffffffa4e0 T0)
==19829==The signal is caused by a READ memory access.
#0 0x5555555673e6 in copy_elided_sections
/home/hongxu/FOT/Targets/elfutils/eu-asan/src/unstrip.c:1661
#1 0x55555556bea1 in handle_file
/home/hongxu/FOT/Targets/elfutils/eu-asan/src/unstrip.c:2162
#2 0x55555556c760 in handle_explicit_files
/home/hongxu/FOT/Targets/elfutils/eu-asan/src/unstrip.c:2227
#3 0x55555556f1f6 in main
/home/hongxu/FOT/Targets/elfutils/eu-asan/src/unstrip.c:2562
#4 0x7ffff6596b96 in __libc_start_main
(/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
#5 0x555555559a89 in _start
(/home/hongxu/FOT/Targets/elfutils/eu-asan/install/bin/eu-unstrip+0x5a89)
AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV
/home/hongxu/FOT/Targets/elfutils/eu-asan/src/unstrip.c:1661 in
copy_elided_sections
==19829==ABORTING
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