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[Bug binutils/24048] New: memory leaks in readelf
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From: |
0x0keeper at gmail dot com |
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Subject: |
[Bug binutils/24048] New: memory leaks in readelf |
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Date: |
Mon, 31 Dec 2018 04:56:28 +0000 |
https://sourceware.org/bugzilla/show_bug.cgi?id=24048
Bug ID: 24048
Summary: memory leaks in readelf
Product: binutils
Version: 2.31
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: binutils
Assignee: unassigned at sourceware dot org
Reporter: 0x0keeper at gmail dot com
Target Milestone: ---
Created attachment 11502
--> https://sourceware.org/bugzilla/attachment.cgi?id=11502&action=edit
binutils-readelf-memory-leak
hi,binutils team,I found a memory leaks bug in binutils-2.31 with readelf.it is
latest release.
./binutils/readelf -a binutils-readelf-memory-leak
ELF Header:
Magic: 7f 45 4c 46 02 01 01 00 80 13 00 00 00 00 00 00
Class: ELF64
Data: 2's complement, little endian
Version: 1 (current)
OS/ABI: UNIX - System V
ABI Version: 128
Type: EXEC (Executable file)
Machine: MIPS R4000 big-endian
Version: 0x8e50001
Entry point address: 0x8e5
Start of program headers: 64 (bytes into file)
Start of section headers: 8632 (bytes into file)
Flags: 0x0
Size of this header: 64 (bytes)
Size of program headers: 56 (bytes)
Number of program headers: 10
Size of section headers: 64 (bytes)
Number of section headers: 27
Section header string table index: 26
Section Headers:
[Nr] Name Type Address Offset
Size EntSize Flags Link Info Align
[ 0] NULL 0000000000000000 00000000
0000000000000000 0000000000000000 0 0 0
[ 1] .interp PROGBITS 0000000000400270 00000270
000000000000001c 0000000000000000 A 0 0 1
[ 2] .note.ABI-tag NOTE 000000000040028c 0000028c
0000000000000020 0000040000000000 A 0 0 4
[ 3] .gnu.hash GNU_HASH 00000000004002b0 000002b0
0000000000000028 0000000000000000 A 4 0 8
[ 4] .dynsym DYNSYM 00000000004002d8 000002d8
00000000000020f8 0000000000000018 A 5 1 8
[ 5] <corrupt> STRTAB 00000000004004d0 000004d0
00000000000000c4 0000000000000000 A 0 0 1
[ 6] .gnu.version VERSYM 0000000000400594 00000594
000000000000002a 0000000000000002 A 4 0 2
[ 7] .gnu.version_r VERNEED 00000000004005c0 000005c0
0000000000000030 0000000000000000 A 5 1 8
[ 8] .rela.dyn LOUSER+0x70ffff 00000000004005f0 000005f0
0000000000000048 0000000000000018 A 4 0 8
[ 9] .rela.plt RELA 0000000000400638 00000638
00000000000001b0 0000000000000018 AI 4 11 8
[10] .init PROGBITS 00000000004007e8 000007e8
000000000000001a 0000000000000000 AX 0 0 4
[11] .plt PROGBITS 0000000000400810 00000810
0000000000000130 0000000000000010 AX 0 0 16
[12] .text PROGBITS 0000000000400940 00000940
00000000000004b2 0000000000000000 AX 0 0 16
[13] .fini PROGBITS 1c00000000400df4 00000df4
0000000000000009 0000000000000000 AX 0 0 4
[14] .rodata PROGBITS 0000000000400e00 00000e00
0000000000000380 0000000000000000 A 0 0 64
[15] .eh_frame_hdr PROGBITS 0000000000401180 00001180
000000000000004c 0000000000000000 A 0 0 4
[16] .eh_frame PROGBITS 00000000004011d0 000011d0
000000000000015c 0000000000000000 A 0 0 8
[17] .init_array INIT_ARRAY 0000000000601e10 00001e10
0000000000000008 0000000000000000 WA 0 0 8
[18] .fini_array FINI_ARRAY 0000000000601e18 00040000
0000000000000008 0000000000000000 WA 0 0 8
[19] .jcr PROGBITS 0000000000601e20 00001e20
0000000000000008 0000000000000000 WA 0 0 8
[20] .dynamic DYNAMIC 0000000000601e28 00001e28
00000000000001d0 0000000000000010 WA 5 0 8
[21] .got PROGBITS 0000000000601ff8 00001ff8
0000000000000008 0000000000000008 WA 0 0 8
[22] .got.plt PROGBITS 0000000000602000 00002000
00000000000000a8 0000000000000008 WA 0 0 8
[23] .data PROGBITS 00000000006020a8 000020a8
0000000000000010 0000000000000000 WA 0 0 8
[24] .bss NOBITS 00000000006020c0 000020b8
0000000000000038 0000000000000000 WA 0 0 32
[25] .gnu_debuglink PROGBITS 00ffed0000000000 000020b8
0000000000000014 0000000000000000 0 0 1
[26] .shstrtab STRTAB 0000000000000000 000020cc
00000000000000eb 0000000000000000 0 0 1
Key to Flags:
W (write), A (alloc), X (execute), M (merge), S (strings), I (info),
L (link order), O (extra OS processing required), G (group), T (TLS),
C (compressed), x (unknown), o (OS specific), E (exclude),
p (processor specific)
There are no section groups in this file.
Program Headers:
Type Offset VirtAddr PhysAddr
FileSiz MemSiz Flags Align
PHDR 0x0000000000000040 0x0000000000400040 0x0000000000400040
0x0000000000000230 0x0000000000000230 R E 0x8
readelf: Error: the PHDR segment is not covered by a LOAD segment
INTERP 0x0000000000000270 0x0000000000400270 0x0000000000400270
0x000000000000001c 0x000000000000001c R 0x1
[Requesting program interpreter: /lib64/ld-linux-x86-64.so.2]
LOAD 0x0000000000000000 0x0000000000400096 0x0000000000400000
0x000000000000132c 0x000000000000132c R E 0x200000
LOAD 0x0000000000001e10 0x0000000000601e10 0x0000000000601e10
0x00000000000002a8 0x00000000000002e8 RW 0x200000
DYNAMIC 0x0000000000001e28 0x0000000000601e28 0x0000000000601e28
0x00000000000001d0 0x00000000000001d0 RW 0x8
NOTE 0x000000000000028c 0x000000000040028c 0x000000000040028c
0x0000000000000020 0x0000000000000000 R 0x0
GNU_EH_FRAME 0x0000000000001180 0x0000000000401180 0x0000000000401180
0x000000000000004c 0x000000000000004c R 0x4
GNU_STACK 0x0000000000000000 0x0000000000000000 0x0000000000000000
0x0000000000000000 0x0000000000000000 RW 0x10
GNU_RELRO 0x0000000000001e10 0x0000000000601e10 0x0000000000421e10
0x00000000000001f0 0x00000000000001f0 R 0x1
LOOS+0x5041580 0x0000000000000000 0x0000000000000000 0x0000000000000000
0x0000000000000000 0x0000000000000000 0x8
Section to Segment mapping:
Segment Sections...
00
01 .interp
02 .interp .note.ABI-tag .gnu.hash <corrupt> .gnu.version .gnu.version_r
.rela.dyn .rela.plt .init .plt .text .rodata .eh_frame_hdr .eh_frame
03 .init_array .jcr .dynamic .got .got.plt .data .bss
04 .dynamic
05
06 .eh_frame_hdr
07
08 .init_array .jcr .dynamic .got
09
Dynamic section at offset 0x1e28 contains 24 entries:
Tag Type Name/Value
0x0000000000000001 (NEEDED) Shared library: []
0x000000000000000c (INIT) 0x4007e8
0x000000000000000d (FINI) 0x400df4
0x0000000000000019 (INIT_ARRAY) 0x601e10
0x000000000000001b (INIT_ARRAYSZ) 8 (bytes)
0x000000000000001a (FINI_ARRAY) 0x601e18
0x000000000000001c (FINI_ARRAYSZ) 8 (bytes)
0x000000006ffffef5 (GNU_HASH) 0x4002b0
0x0000000000000005 (STRTAB) 0x4004d0
0x0000000000000006 (SYMTAB) 0x4002d8
0x000000000000000a (STRSZ) 196 (bytes)
0x000000000000000b (SYMENT) 24 (bytes)
0x0000000000000015 (DEBUG) 0x0
0x0000000000000003 (PLTGOT) 0x602000
0x0000000000000002 (PLTRELSZ) 432 (bytes)
0x0000000000000014 (PLTREL) RELA
0x0000000000000017 (JMPREL) 0x400638
0x0000000000000007 (RELA) 0x4005f0
0x0000000000000008 (RELASZ) 72 (bytes)
0x0000000000000009 (RELAENT) 24 (bytes)
0x000000006ffffffe (VERNEED) 0x4005c0
0x000000007000000a (MIPS_LOCAL_GOTNO) 1
0x000000006ffffff0 (VERSYM) 0x400594
0x0000000000000000 (NULL) 0x0
Relocation section '.rela.plt' at offset 0x638 contains 18 entries:
Offset Info Type Sym. Value Sym. Name +
Addend
000000602018 000100000007 R_MIPS_GPREL16 readelf: Error: Reading 16 bytes
extends past end of file for version need aux (3)
readelf: Error: Reading 16 bytes extends past end of file for version need
0000000000000000 free + 0
000000602020 000200000007 R_MIPS_GPREL16 readelf: Error: Reading 16 bytes
extends past end of file for version need aux (3)
readelf: Error: Reading 16 bytes extends past end of file for version need
0000000000000000 __errno_location + 0
000000602028 000300000007 R_MIPS_GPREL16 readelf: Error: Reading 16 bytes
extends past end of file for version need aux (3)
readelf: Error: Reading 16 bytes extends past end of file for version need
0000000000000000 strcpy + 0
000000602030 000400000007 R_MIPS_GPREL16 readelf: Error: Reading 16 bytes
extends past end of file for version need aux (3)
readelf: Error: Reading 16 bytes extends past end of file for version need
0000000000000000 puts + 0
000000602038 000500000007 R_MIPS_GPREL16 readelf: Error: Reading 16 bytes
extends past end of file for version need aux (3)
readelf: Error: Reading 16 bytes extends past end of file for version need
0000000000000000 getopt_long + 0
000000602040 000600000007 R_MIPS_GPREL16 readelf: Error: Reading 16 bytes
extends past end of file for version need aux (3)
readelf: Error: Reading 16 bytes extends past end of file for version need
0000000000000000 printf + 0
000000602048 080000000007 R_MIPS_GPREL16 readelf: Error: bad symbol index:
00000800 in reloc
000060205800 090000000700 unrecognized: 700 readelf: Error: bad symbol
index: 00000900 in reloc
000060206000 0a0000000700 unrecognized: 700 readelf: Error: bad symbol
index: 00000a00 in reloc
000060206800 0b0000000700 unrecognized: 700 readelf: Error: bad symbol
index: 00000b00 in reloc
000060207000 0c0000000700 unrecognized: 700 readelf: Error: bad symbol
index: 00000c00 in reloc
000060207800 0d0000000700 unrecognized: 700 readelf: Error: bad symbol
index: 00000d00 in reloc
000060208000 0e0000000700 unrecognized: 700 readelf: Error: bad symbol
index: 00000e00 in reloc
000060208800 0f0000000700 unrecognized: 700 readelf: Error: bad symbol
index: 00000f00 in reloc
000060209000 100040002900 unrecognized: 40002900readelf: Error: bad symbol
index: 00001000 in reloc
000060209800 110000000700 unrecognized: 700 readelf: Error: bad symbol
index: 00001100 in reloc
00006020a000 120000000700 unrecognized: 700 readelf: Error: bad symbol
index: 00001200 in reloc
58b4808ec834800 74c0854800201805 unrecognized: 201805 readelf: Error: bad
symbol index: 74c08548 in reloc
The decoding of unwind sections for machine type MIPS R4000 big-endian is not
currently supported.
Version symbols section '.gnu.version' contains 21 entries:
Addr: 0000000000400594 Offset: 0x000594 Link: 4 (.dynsym)
000:7000 readelf: Error: Reading 16 bytes extends past end of file for
version need aux (2)
readelf: Error: Reading 16 bytes extends past end of file for version need
7475 readelf: Error: Reading 16 bytes extends past end of file for
version need aux (2)
readelf: Error: Reading 16 bytes extends past end of file for version need
73 readelf: Error: Reading 16 bytes extends past end of file for
version need aux (2)
readelf: Error: Reading 16 bytes extends past end of file for version need
7473 readelf: Error: Reading 16 bytes extends past end of file for
version need aux (2)
readelf: Error: Reading 16 bytes extends past end of file for version need
004:7472 readelf: Error: Reading 16 bytes extends past end of file for
version need aux (2)
readelf: Error: Reading 16 bytes extends past end of file for version need
6c6f readelf: Error: Reading 16 bytes extends past end of file for
version need aux (2)
readelf: Error: Reading 16 bytes extends past end of file for version need
5f00 readelf: Error: Reading 16 bytes extends past end of file for
version need aux (2)
readelf: Error: Reading 16 bytes extends past end of file for version need
655f readelf: Error: Reading 16 bytes extends past end of file for
version need aux (2)
readelf: Error: Reading 16 bytes extends past end of file for version need
008:7272 readelf: Error: Reading 16 bytes extends past end of file for
version need aux (2)
readelf: Error: Reading 16 bytes extends past end of file for version need
6f6e readelf: Error: Reading 16 bytes extends past end of file for
version need aux (2)
readelf: Error: Reading 16 bytes extends past end of file for version need
6c5f readelf: Error: Reading 16 bytes extends past end of file for
version need aux (2)
readelf: Error: Reading 16 bytes extends past end of file for version need
636f readelf: Error: Reading 16 bytes extends past end of file for
version need aux (2)
readelf: Error: Reading 16 bytes extends past end of file for version need
00c:7461 readelf: Error: Reading 16 bytes extends past end of file for
version need aux (2)
readelf: Error: Reading 16 bytes extends past end of file for version need
6f69 readelf: Error: Reading 16 bytes extends past end of file for
version need aux (2)
readelf: Error: Reading 16 bytes extends past end of file for version need
6e readelf: Error: Reading 16 bytes extends past end of file for
version need aux (2)
readelf: Error: Reading 16 bytes extends past end of file for version need
656d readelf: Error: Reading 16 bytes extends past end of file for
version need aux (2)
readelf: Error: Reading 16 bytes extends past end of file for version need
010:636d readelf: Error: Reading 16 bytes extends past end of file for
version need aux (2)
readelf: Error: Reading 16 bytes extends past end of file for version need
7970 readelf: Error: Reading 16 bytes extends past end of file for
version need aux (2)
readelf: Error: Reading 16 bytes extends past end of file for version need
6d00 readelf: Error: Reading 16 bytes extends past end of file for
version need aux (2)
readelf: Error: Reading 16 bytes extends past end of file for version need
6c61 readelf: Error: Reading 16 bytes extends past end of file for
version need aux (2)
readelf: Error: Reading 16 bytes extends past end of file for version need
014:6f6c readelf: Error: Reading 16 bytes extends past end of file for
version need aux (2)
readelf: Error: Reading 16 bytes extends past end of file for version need
Version needs section '.gnu.version_r' contains 1 entry:
Addr: 0x00000000004005c0 Offset: 0x0005c0 Link: 5 (<corrupt>)
000000: Version: 1 File: Cnt: 2
0x0010: Name: tempnam Flags: none Version: 3
0x0020: Name: trdup Flags: none Version: 2
Displaying notes found in: .note.ABI-tag
Owner Data size Description
GNU 0x00000010 NT_GNU_ABI_TAG (ABI version tag)
OS: Linux, ABI: 2.6.32
Primary GOT:
Canonical gp value: 0000000000609ff0
Reserved entries:
Address Access Initial Purpose
0000000000602000 -32752(gp) 0000000000601e28 Lazy resolver
=================================================================
==10625==ERROR: LeakSanitizer: detected memory leaks
Direct leak of 528 byte(s) in 1 object(s) allocated from:
#0 0x4b91a8 (/root/binutils-2.31/binutils/readelf+0x4b91a8)
#1 0x5d275a (/root/binutils-2.31/binutils/readelf+0x5d275a)
#2 0x50b810 (/root/binutils-2.31/binutils/readelf+0x50b810)
#3 0x4ee043 (/root/binutils-2.31/binutils/readelf+0x4ee043)
#4 0x7fa75797e82f (/lib/x86_64-linux-gnu/libc.so.6+0x2082f)
SUMMARY: AddressSanitizer: 528 byte(s) leaked in 1 allocation(s).
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- [Bug binutils/24048] New: memory leaks in readelf,
0x0keeper at gmail dot com <=