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Bug#283115: kernel oops ins xfs_acl_get_attr with kernel-image-2.4.27-1-686-smp

Package: kernel-image-2.4.27-1-686-smp
Version: 2.4.27-2
Severity: important


after somedays of uptime on our fileserver (nfs,samba,netatalk) we get an
kerneloops (see below). After rebooting, we have to repair the xfs filesystem to
get rid of the oops.
We had that problem with previous kernels 2.4.2[456]-1-686-smp, too.

thank you

ksymoops 2.4.9 on i686 2.4.27-1-686-smp.  Options used
     -V (default)
     -k /proc/ksyms (default)
     -l /proc/modules (default)
     -o /lib/modules/2.4.27-1-686-smp/ (default)
     -m /boot/System.map-2.4.27-1-686-smp (default)

Warning: You did not tell me where to find symbol information.  I will
assume that the log matches the kernel and modules that are running
right now and I'll use the default options above for symbol resolution.
If the current kernel and/or modules do not match the log, you can get
more accurate output by telling me the kernel version and where to find
map, modules, ksyms etc.  ksymoops -h explains the options.

Warning (expand_objects): object
/lib/modules/2.4.27-1-686-smp/kernel/fs/ext3/ext3.o for module ext3 has changed
since load
Warning (expand_objects): object
/lib/modules/2.4.27-1-686-smp/kernel/fs/jbd/jbd.o for module jbd has changed
since load
Warning (expand_objects): object
/lib/modules/2.4.27-1-686-smp/kernel/drivers/scsi/sd_mod.o for module sd_mod has
changed si
nce load
Warning (expand_objects): object
/lib/modules/2.4.27-1-686-smp/kernel/drivers/scsi/aic7xxx/aic79xx.o for module
aic79xx has
changed since load
Warning (expand_objects): object
/lib/modules/2.4.27-1-686-smp/kernel/drivers/scsi/scsi_mod.o for module scsi_mod
has change
d since load
Warning (expand_objects): object
/lib/modules/2.4.27-1-686-smp/kernel/net/unix/unix.o for module unix has changed
since load
 <1>Unable to handle kernel NULL pointer dereference at virtual address 00000008
*pde = 00000000
Oops: 0000
CPU:    1
EIP:    0010:[<e1a20d39>]    Not tainted
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010246
eax: e1aa3070   ebx: 00002000   ecx: 00000000   edx: e1a98d1c
esi: 00002002   edi: 00000000   ebp: d4bc8060   esp: d4ff3d58
ds: 0018   es: 0018   ss: 0018
Process ls (pid: 28666, stackpage=d4ff3000)
Stack: d89a5a60 da2c7c00 e1aa2b20 c015f014 d89a5a8c c027cda0 00000130 00002000
       00000000 00002100 e1a20334 d4bc8060 00000000 00000001 00002000 d4ff3d98
       0000003d 0669fbf8 00000000 d4ff3e30 00000000 00000000 00000000 d6bad8d0
Call Trace:    [<e1aa2b20>] [<c015f014>] [<e1a20334>] [<e1aa1ee0>] [<e1a2ae76>]
  [<e1aa1f40>] [<e1a87c03>] [<c01640db>] [<c012c6b3>] [<e1a60d88>] [<e1a5bd3e>]
  [<e1a7b48f>] [<c015bbc1>] [<c0151fac>] [<c01527ec>] [<c01641d7>] [<c0108f67>]
Code: 8b 59 08 89 44 24 14 8d 44 24 18 89 44 24 0c b8 0c 8d a9 e1

EIP; e1a20d39 <[xfs]xfs_acl_get_attr+39/90>   <=====

eax; e1aa3070 <[xfs]sys_cred_val+0/4>
edx; e1a98d1c <[xfs].rodata.end+11/15>
ebp; d4bc8060 <_end+14878388/204bd388>
esp; d4ff3d58 <_end+14ca4080/204bd388>

Trace; e1aa2b20 <[xfs]linvfs_sops+0/60>
Trace; c015f014 <iput+54/320>
Trace; e1a20334 <[xfs]xfs_acl_vget+54/170>
Trace; e1aa1ee0 <[xfs]posix_acl_access+0/0>
Trace; e1a2ae76 <[xfs]attr_system_get+56/60>
Trace; e1aa1f40 <[xfs]attr_system+0/20>
Trace; e1a87c03 <[xfs]linvfs_getxattr+93/b0>
Trace; c01640db <getxattr+eb/190>
Trace; c012c6b3 <in_group_p+23/30>
Trace; e1a60d88 <[xfs]xfs_iaccess+c8/1d0>
Trace; e1a5bd3e <[xfs]xfs_iunlock+3e/80>
Trace; e1a7b48f <[xfs]xfs_access+4f/60>
Trace; c015bbc1 <dput+31/190>
Trace; c0151fac <link_path_walk+72c/9f0>
Trace; c01527ec <__user_walk+5c/60>
Trace; c01641d7 <sys_getxattr+57/70>
Trace; c0108f67 <tracesys+1f/23>

Code;  e1a20d39 <[xfs]xfs_acl_get_attr+39/90>
00000000 <_EIP>:
Code;  e1a20d39 <[xfs]xfs_acl_get_attr+39/90>   <=====
   0:   8b 59 08                  mov    0x8(%ecx),%ebx   <=====
Code;  e1a20d3c <[xfs]xfs_acl_get_attr+3c/90>
   3:   89 44 24 14               mov    %eax,0x14(%esp)
Code;  e1a20d40 <[xfs]xfs_acl_get_attr+40/90>
   7:   8d 44 24 18               lea    0x18(%esp),%eax
Code;  e1a20d44 <[xfs]xfs_acl_get_attr+44/90>
   b:   89 44 24 0c               mov    %eax,0xc(%esp)
Code;  e1a20d48 <[xfs]xfs_acl_get_attr+48/90>
   f:   b8 0c 8d a9 e1            mov    $0xe1a98d0c,%eax

7 warnings issued.  Results may not be reliable.

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