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From: Vladimir Klenov <maple@center.hqhost.net>
Date: Fri, 24 Jan 2003 19:53:36 +0200
To: linux-kernel@vger.kernel.org
Subject: kernel BUG at slab.c:1263! (2.4.19)
Message-ID: <20030124175336.GA24760@valinor.localnet>
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Hello,

after few days of working appeared in dmesg
kernel 2.4.19 with grsecurity patch, ext3, reiserfs, 1G mem, highmem enabled.
machine still alive, it seems working normal.

kernel BUG at slab.c:1263!
invalid operand: 0000
CPU:    0
EIP:    0010:[<c012b21e>]    Not tainted
EFLAGS: 00010012
eax: c2a5e7ff   ebx: c1c0f700   ecx: 00000001   edx: 00000001
esi: c2a5e000   edi: c2a5e049   ebp: 00012800   esp: d9c3be64
ds: 0018   es: 0018   ss: 0018
Process thttpd (pid: 9414, stackpage=d9c3b000)
Stack: eff8fd54 c031d060 000001f0 c80a32f8 00000800 c2a5e049 00000246
c01ffa91 
       0000069c 000001f0 c80a3220 c80a3220 c80a3220 c0215c1a 00000660
000001f0 
       c80a3220 d9c3bf80 d9c3bf48 ef9b6e4c c64b2f40 caf9db18 c021ff8a
c80a3258 
Call Trace:    [<c01ffa91>] [<c0215c1a>] [<c021ff8a>] [<c022f466>]
[<c01fca95>]
  [<c01fccbe>] [<c0133ee6>] [<c010856f>]

Code: 0f 0b ef 04 60 6c 25 c0 f7 c5 00 04 00 00 74 36 b8 a5 c2 0f

after ksymoops

>>EIP; c012b21e <kmalloc+15a/1e4>   <=====

>>eax; c2a5e7ff <_end+273e3f7/38778c58>
>>ebx; c1c0f700 <_end+18ef2f8/38778c58>
>>esi; c2a5e000 <_end+273dbf8/38778c58>
>>edi; c2a5e049 <_end+273dc41/38778c58>
>>esp; d9c3be64 <_end+1991ba5c/38778c58>

Trace; c01ffa91 <alloc_skb+d1/188>
Trace; c0215c1a <tcp_sendmsg+20a/106c>
Trace; c021ff8a <tcp_write_xmit+20a/2c0>
Trace; c022f466 <inet_sendmsg+3a/40>
Trace; c01fca95 <sock_sendmsg+69/88>
Trace; c01fccbe <sock_write+b2/bc>
Trace; c0133ee6 <sys_write+96/f0>
Trace; c010856f <system_call+33/38>

Code;  c012b21e <kmalloc+15a/1e4>
00000000 <_EIP>:
Code;  c012b21e <kmalloc+15a/1e4>   <=====
   0:   0f 0b                     ud2a      <=====
Code;  c012b220 <kmalloc+15c/1e4>
   2:   ef                        out    %eax,(%dx)
Code;  c012b221 <kmalloc+15d/1e4>
   3:   04 60                     add    $0x60,%al
Code;  c012b223 <kmalloc+15f/1e4>
   5:   6c                        insb   (%dx),%es:(%edi)
Code;  c012b224 <kmalloc+160/1e4>
   6:   25 c0 f7 c5 00            and    $0xc5f7c0,%eax
Code;  c012b229 <kmalloc+165/1e4>
   b:   04 00                     add    $0x0,%al
Code;  c012b22b <kmalloc+167/1e4>
   d:   00 74 36 b8               add    %dh,0xffffffb8(%esi,%esi,1)
Code;  c012b22f <kmalloc+16b/1e4>
  11:   a5                        movsl  %ds:(%esi),%es:(%edi)
Code;  c012b230 <kmalloc+16c/1e4>
  12:   c2 0f 00                  ret    $0xf

		SY, Vladimir