bug-binutils
[Top][All Lists]
Advanced
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[Bug binutils/29872] New: objdump SEGV in display_debug_lines_decoded dw

From: 13579and24680 at gmail dot com
Subject: [Bug binutils/29872] New: objdump SEGV in display_debug_lines_decoded dwarf.c:5524 (5413)
Date: Mon, 12 Dec 2022 02:20:42 +0000 
https://sourceware.org/bugzilla/show_bug.cgi?id=29872

            Bug ID: 29872
           Summary: objdump SEGV in display_debug_lines_decoded
                    dwarf.c:5524 (5413)
           Product: binutils
           Version: 2.39
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: binutils
          Assignee: unassigned at sourceware dot org
          Reporter: 13579and24680 at gmail dot com
  Target Milestone: ---

Created attachment 14492
  --> https://sourceware.org/bugzilla/attachment.cgi?id=14492&action=edit
Generated by my fuzzer and afl-tmin

This is another bug not fixed by previous bug.

Reference : 

https://sourceware.org/bugzilla/show_bug.cgi?id=29870

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=f2f58a399cf3f946983398cdfe52d0eaa72bf877

---------------------------------------------------------------------
# version

$ ./binutils-gdb/binutils/objdump --version
GNU objdump (GNU Binutils) 2.39.50.20221210
Copyright (C) 2022 Free Software Foundation, Inc.
This program is free software; you may redistribute it under the terms of
the GNU General Public License version 3 or (at your option) any later version.
This program has absolutely no warranty.

---------------------------------------------------------------------
# make

$ git clone git://sourceware.org/git/binutils-gdb.git
$ cd binutils-gdb
$ ./configure
$ make

---------------------------------------------------------------------
# crash

$ ./binutils-gdb/binutils/objdump -WL poc
./binutils-gdb/binutils/objdump: warning: poc has a section extending past end
of file

poc:     file format elf64-little

Contents of the .debug_line section:

./binutils-gdb/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb/binutils/objdump: Warning: Unrecognized form: 0x30
(null):
File name                            Line number    Starting address    View   
Stmt
fish: Job 1, './binutils-gdb/binutils/objdump…' terminated by signal SIGSEGV
(Address boundary error)

---------------------------------------------------------------------
# ASAN report

$ ./binutils-gdb_asan_no_fuzz/binutils/objdump -WL poc
./binutils-gdb_asan_no_fuzz/binutils/objdump: warning: poc has a section
extending past end of file

poc:     file format elf64-little

Contents of the .debug_line section:

./binutils-gdb_asan_no_fuzz/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb_asan_no_fuzz/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb_asan_no_fuzz/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb_asan_no_fuzz/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb_asan_no_fuzz/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb_asan_no_fuzz/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb_asan_no_fuzz/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb_asan_no_fuzz/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb_asan_no_fuzz/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb_asan_no_fuzz/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb_asan_no_fuzz/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb_asan_no_fuzz/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb_asan_no_fuzz/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb_asan_no_fuzz/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb_asan_no_fuzz/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb_asan_no_fuzz/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb_asan_no_fuzz/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb_asan_no_fuzz/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb_asan_no_fuzz/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb_asan_no_fuzz/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb_asan_no_fuzz/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb_asan_no_fuzz/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb_asan_no_fuzz/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb_asan_no_fuzz/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb_asan_no_fuzz/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb_asan_no_fuzz/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb_asan_no_fuzz/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb_asan_no_fuzz/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb_asan_no_fuzz/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb_asan_no_fuzz/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb_asan_no_fuzz/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb_asan_no_fuzz/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb_asan_no_fuzz/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb_asan_no_fuzz/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb_asan_no_fuzz/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb_asan_no_fuzz/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb_asan_no_fuzz/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb_asan_no_fuzz/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb_asan_no_fuzz/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb_asan_no_fuzz/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb_asan_no_fuzz/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb_asan_no_fuzz/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb_asan_no_fuzz/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb_asan_no_fuzz/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb_asan_no_fuzz/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb_asan_no_fuzz/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb_asan_no_fuzz/binutils/objdump: Warning: Unrecognized form: 0x30
./binutils-gdb_asan_no_fuzz/binutils/objdump: Warning: Unrecognized form: 0x30
(null):
File name                            Line number    Starting address    View   
Stmt
AddressSanitizer:DEADLYSIGNAL
=================================================================
==807239==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000000 (pc
0x7f6c4871a6e5 bp 0x7ffca38a0580 sp 0x7ffca389fcf8 T0)
==807239==The signal is caused by a READ memory access.
==807239==Hint: address points to the zero page.
    #0 0x7f6c4871a6e4  (/lib/x86_64-linux-gnu/libc.so.6+0x1886e4)
    #1 0x7f6c487f190b in __interceptor_strlen
../../../../src/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:352
    #2 0x55d8a2ccd94d in display_debug_lines_decoded dwarf.c:5524
    #3 0x55d8a2cce061 in display_debug_lines dwarf.c:5655
    #4 0x55d8a2ca38c4 in dump_dwarf_section objdump.c:4396
    #5 0x55d8a2df215d in bfd_map_over_sections
/home/a13579/fuzz_binutils-gdb/binutils-gdb_asan_no_fuzz/bfd/section.c:1366
    #6 0x55d8a2ca3af3 in dump_dwarf objdump.c:4434
    #7 0x55d8a2caa110 in dump_bfd objdump.c:5636
    #8 0x55d8a2caa4e5 in display_object_bfd objdump.c:5715
    #9 0x55d8a2caa816 in display_any_bfd objdump.c:5801
    #10 0x55d8a2caa890 in display_file objdump.c:5822
    #11 0x55d8a2cac1b9 in main objdump.c:6230
    #12 0x7f6c485b6082 in __libc_start_main ../csu/libc-start.c:308
    #13 0x55d8a2c9039d in _start
(/home/a13579/fuzz_binutils-gdb/binutils-gdb_asan_no_fuzz/binutils/objdump+0x13b39d)

AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV (/lib/x86_64-linux-gnu/libc.so.6+0x1886e4) 
==807239==ABORTING

---------------------------------------------------------------------
# ASAN report after apply previous patch

$ ./binutils-gdb_patch/binutils/objdump -WL poc

(... output too long ignore)

AddressSanitizer:DEADLYSIGNAL
=================================================================
==892104==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000000 (pc
0x7fae5f20f616 bp 0x7ffd81cb2ae0 sp 0x7ffd81cb2208 T0)
==892104==The signal is caused by a READ memory access.
==892104==Hint: address points to the zero page.
    #0 0x7fae5f20f615 in __sanitizer::internal_strlen(char const*)
../../../../src/libsanitizer/sanitizer_common/sanitizer_libc.cc:164
    #1 0x7fae5f186174 in printf_common
../../../../src/libsanitizer/sanitizer_common/sanitizer_common_interceptors_format.inc:544
    #2 0x7fae5f186dec in __interceptor_vprintf
../../../../src/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:1600
    #3 0x7fae5f186ee6 in __interceptor_printf
../../../../src/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:1658
    #4 0x5643efc7cdff in display_debug_lines_decoded dwarf.c:5413
    #5 0x5643efc7e074 in display_debug_lines dwarf.c:5655
    #6 0x5643efc538c4 in dump_dwarf_section objdump.c:4396
    #7 0x5643efda2170 in bfd_map_over_sections
/home/a13579/fuzz_binutils-gdb/binutils-gdb_patch/bfd/section.c:1366
    #8 0x5643efc53af3 in dump_dwarf objdump.c:4434
    #9 0x5643efc5a110 in dump_bfd objdump.c:5636
    #10 0x5643efc5a4e5 in display_object_bfd objdump.c:5715
    #11 0x5643efc5a816 in display_any_bfd objdump.c:5801
    #12 0x5643efc5a890 in display_file objdump.c:5822
    #13 0x5643efc5c1b9 in main objdump.c:6230
    #14 0x7fae5ef15082 in __libc_start_main ../csu/libc-start.c:308
    #15 0x5643efc4039d in _start
(/home/a13579/fuzz_binutils-gdb/binutils-gdb_patch/binutils/objdump+0x13b39d)

AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV
../../../../src/libsanitizer/sanitizer_common/sanitizer_libc.cc:164 in
__sanitizer::internal_strlen(char const*)
==892104==ABORTING

-- 
You are receiving this mail because:
You are on the CC list for the bug.
reply via email to
[Prev in Thread] Current Thread [Next in Thread]