linux-kernel - Re: [Bug 11506] oops during unmount

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Message-ID: <20080907114714.GB5530@joi>
Date:	Sun, 7 Sep 2008 13:47:20 +0200
From:	Marcin Slusarz <marcin.slusarz@...il.com>
To:	LKML <linux-kernel@...r.kernel.org>
Cc:	linux-ext4@...r.kernel.org, bugme-daemon@...zilla.kernel.org
Subject: Re: [Bug 11506] oops during unmount - ext3? (2.6.27-rc5)

On Sun, Sep 07, 2008 at 01:27:40PM +0200, Marcin Slusarz wrote:
> Code: 8b 06 a8 01 75 04 0f 0b eb fe f6 c4 08 0f 84 2f 03 00 00 48 8b 45 b8 48 8b 40 10 c7 45 c8 01 00 00 00 48 89 45 d0 48 89 c3 31 c0 <8b> 53 20 01 c2 89 c0 48 39 45 b0 89 55 cc 48 9b 53 08 48 89 55
Little correction (at the end):
  Code: 8b 06 a8 01 75 04 0f 0b eb fe f6 c4 08 0f 84 2f 03 00 00 48 8b 45 b8 48 8b 40 10 c7 45 c8 01 00 00 00 48 89 45 d0 48 89 c3 31 c0 <8b> 53 20 01 c2 89 c0 48 39 45 b0 89 55 cc 48 8b 53 08 48 89 55

> Output of decodecode:
After correction:
/tmp/tmp.W6DvY3Lbtg.o:     file format elf64-x86-64

Disassembly of section .text:

0000000000000000 <.text>:
   0:   8b 06                   mov    (%rsi),%eax
   2:   a8 01                   test   $0x1,%al
   4:   75 04                   jne    0xa
   6:   0f 0b                   ud2a
   8:   eb fe                   jmp    0x8
   a:   f6 c4 08                test   $0x8,%ah
   d:   0f 84 2f 03 00 00       je     0x342
  13:   48 8b 45 b8             mov    -0x48(%rbp),%rax
  17:   48 8b 40 10             mov    0x10(%rax),%rax
  1b:   c7 45 c8 01 00 00 00    movl   $0x1,-0x38(%rbp)
  22:   48 89 45 d0             mov    %rax,-0x30(%rbp)
  26:   48 89 c3                mov    %rax,%rbx
  29:   31 c0                   xor    %eax,%eax

/tmp/tmp.W6DvY3Lbtg.o:     file format elf64-x86-64

Disassembly of section .text:

0000000000000000 <.text>:
   0:   8b 53 20                mov    0x20(%rbx),%edx
   3:   01 c2                   add    %eax,%edx
   5:   89 c0                   mov    %eax,%eax
   7:   48 39 45 b0             cmp    %rax,-0x50(%rbp)
   b:   89 55 cc                mov    %edx,-0x34(%rbp)
   e:   48 8b 53 08             mov    0x8(%rbx),%rdx
  12:   48                      rex.W
  13:   89                      .byte 0x89
  14:   55                      push   %rbp
--
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