https://sourceware.org/bugzilla/show_bug.cgi?id=18308
Bug ID: 18308
Summary: strip increases file size six times
Product: binutils
Version: 2.25
Status: NEW
Severity: normal
Priority: P2
Component: binutils
Assignee: unassigned at sourceware dot org
Reporter: dilyan.palauzov at aegee dot org
I created this binary with gold 2.25/1.11:
http://mail.aegee.org/dpa/bz18288/strip/opendkim-gold2.25-unstripped
unstripped size is 475 880 bytes. When I strip it, the size increases to 2 560
600 bytes (http://mail.aegee.org/dpa/bz18288/strip/opendkim-gold2.25-stripped)
. I use strip 2.25 .
This is a bug, as strip without parameters increases the file size.
The diff of readelf --all of both files is:
# diff stripped unstripped
--- stripped 2015-04-23 13:22:32.692277302 +0000
+++ unstripped 2015-04-23 13:22:00.942278193 +0000
@@ -10,7 +10,7 @@
Version: 0x1
Entry point address: 0x40c0d4
Start of program headers: 64 (bytes into file)
- Start of section headers: 2558744 (bytes into file)
+ Start of section headers: 474024 (bytes into file)
Flags: 0x0
Size of this header: 64 (bytes)
Size of program headers: 56 (bytes)
@@ -56,29 +56,29 @@
000000000000a0a4 0000000000000000 A 0 0 8
[16] .eh_frame_hdr PROGBITS 000000000046f4e4 0006f4e4
00000000000016d4 0000000000000000 A 0 0 4
- [17] .ctors PROGBITS 0000000000471c80 0026ebf0
+ [17] .ctors PROGBITS 0000000000471c80 00071c80
0000000000000010 0000000000000000 WA 0 0 8
- [18] .dtors PROGBITS 0000000000471c90 0026ec00
+ [18] .dtors PROGBITS 0000000000471c90 00071c90
0000000000000010 0000000000000000 WA 0 0 8
- [19] .jcr PROGBITS 0000000000471ca0 0026ec10
+ [19] .jcr PROGBITS 0000000000471ca0 00071ca0
0000000000000008 0000000000000000 WA 0 0 8
- [20] .dynamic DYNAMIC 0000000000471ca8 0026ec18
+ [20] .dynamic DYNAMIC 0000000000471ca8 00071ca8
0000000000000330 0000000000000010 WA 4 0 8
- [21] .got PROGBITS 0000000000471fd8 0026ef48
+ [21] .got PROGBITS 0000000000471fd8 00071fd8
0000000000000010 0000000000000000 WA 0 0 8
- [22] .got.plt PROGBITS 0000000000471fe8 0026ef58
+ [22] .got.plt PROGBITS 0000000000471fe8 00071fe8
0000000000000ac8 0000000000000000 WA 0 0 8
- [23] .data PROGBITS 0000000000472ac0 0026fa30
+ [23] .data PROGBITS 0000000000472ac0 00072ac0
0000000000000f9c 0000000000000000 WA 0 0 64
- [24] .tm_clone_table PROGBITS 0000000000473a60 002709d0
+ [24] .tm_clone_table PROGBITS 0000000000473a60 00073a60
0000000000000000 0000000000000000 WA 0 0 8
- [25] .bss NOBITS 0000000000474a60 002709d0
- 0000000000013b48 0000000000000000 WA 0 0 4194304
- [26] .comment PROGBITS 0000000000000000 002709d0
+ [25] .bss NOBITS 0000000000474a60 00074a60
+ 0000000000013b48 0000000000000000 WA 0 0 2109584
+ [26] .comment PROGBITS 0000000000000000 00073a60
0000000000000023 0000000000000001 MS 0 0 1
- [27] .note.gnu.gold-ve NOTE 0000000000000000 002709f4
+ [27] .note.gnu.gold-ve NOTE 0000000000000000 00073a84
000000000000001c 0000000000000000 0 0 4
- [28] .shstrtab STRTAB 0000000000000000 00270a10
+ [28] .shstrtab STRTAB 0000000000000000 00073aa0
0000000000000102 0000000000000000 0 0 1
Key to Flags:
W (write), A (alloc), X (execute), M (merge), S (strings), l (large)
@@ -97,9 +97,9 @@
[Requesting program interpreter: /lib64/ld-linux-x86-64.so.2]
LOAD 0x0000000000000000 0x0000000000400000 0x0000000000400000
0x0000000000070bb8 0x0000000000070bb8 R E 1000
- LOAD 0x000000000026ebf0 0x0000000000471c80 0x0000000000471c80
+ LOAD 0x0000000000071c80 0x0000000000471c80 0x0000000000471c80
0x0000000000001de0 0x0000000000016928 RW 203090
- DYNAMIC 0x000000000026ec18 0x0000000000471ca8 0x0000000000471ca8
+ DYNAMIC 0x0000000000071ca8 0x0000000000471ca8 0x0000000000471ca8
0x0000000000000330 0x0000000000000330 RW 8
NOTE 0x0000000000000254 0x0000000000400254 0x0000000000400254
0x0000000000000020 0x0000000000000020 R 4
@@ -107,7 +107,7 @@
0x00000000000016d4 0x00000000000016d4 R 4
GNU_STACK 0x0000000000000000 0x0000000000000000 0x0000000000000000
0x0000000000000000 0x0000000000000000 RW 0
- GNU_RELRO 0x000000000026ebf0 0x0000000000471c80 0x0000000000471c80
+ GNU_RELRO 0x0000000000071c80 0x0000000000471c80 0x0000000000471c80
0x0000000000000380 0x0000000000000380 RW 8
Section to Segment mapping:
@@ -122,7 +122,7 @@
07
08 .ctors .dtors .jcr .dynamic .got
-Dynamic section at offset 0x26ec18 contains 46 entries:
+Dynamic section at offset 0x71ca8 contains 46 entries:
Tag Type Name/Value
0x0000000000000003 (PLTGOT) 0x471fe8
0x0000000000000002 (PLTRELSZ) 8208 (bytes)
@@ -1019,7 +1019,7 @@
GNU 0x00000010 NT_GNU_ABI_TAG (ABI version tag)
OS: Linux, ABI: 3.2.6
-Displaying notes found at file offset 0x002709f4 with length 0x0000001c:
+Displaying notes found at file offset 0x00073a84 with length 0x0000001c:
Owner Data size Description
GNU 0x00000009 NT_GNU_GOLD_VERSION (gold version)
Version: gold 1.11
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