panic in reiserfs on test-2.4.0-test9/10

From: Andy Robinson (andyr@veritas.com)
Date: Fri Nov 03 2000 - 11:57:40 EST


Hi,

I tried the linux-2.4.0-test9-resiserfs-3.6.18-patch on both 2.4.0-test9
and test2.4.0-test10
and got the following PANIC I originally saw this PANIC when doing a 'cp
-a / /reiserfs'.
I narrowed it done to a simple symlink ....

Andy

[root@client19 /reiserfs]# ln -s foo.tar foo
Unable to handle kernel NULL pointer dereference at virtual address
00000010
 printing eip:
c0185953
*pde = 00000000
Oops: 0000
CPU: 0
EIP: 0010:[<c0185953>]
EFLAGS: 00010296
eax: c12a017c ebx: c12a0060 ecx: 0000000f edx: 00000000
esi: c12a0090 edi: c12a0000 ebp: 00000005 esp: c0c01b60
ds: 0018 es: 0018 ss: 0018
Process ln (pid: 928, stackpage=c0c01000)
Stack: c12a0078 c12a017c c0c01bf8 00000001 00000000 c0c01be0 c0178dc4
c058dc00
       c0c01ba4 c0c01b8c 00000000 c0182728 c0182736 00000001 00000130
00000000
       00000000 c0c01c40 00000001 00000000 c0c01c28 c0c01bfc 00000000
00000000
Call Trace: [<c0178dc4>] [<c0182728>] [<c0182736>] [<c018ede7>]
[<c017d3a3>] [<c017d842>] [<c017a5f2>]
       [<c0230f99>] [<c0239e3a>] [<c0139892>] [<c0139951>] [<c010a717>]
Code: 8b 52 10 ff d2 5b 5f 8b 54 24 14 8b 42 34 89 c7 0f b7 47 02
Segmentation fault

ksymoops 2.3.4 on i686 2.4.0-test9. Options used
     -V (default)
     -k /proc/ksyms (default)
     -l /proc/modules (default)
     -o /lib/modules/2.4.0-test9/ (default)
     -m /boot/System.map-test9 (specified)

No modules in ksyms, skipping objects
Warning (read_lsmod): no symbols in lsmod, is /proc/modules a valid
lsmod file?
Unable to handle kernel NULL pointer dereference at virtual address
00000010
c0185953
*pde = 00000000
Oops: 0000
CPU: 0
EIP: 0010:[<c0185953>]
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010296
eax: c12a017c ebx: c12a0060 ecx: 0000000f edx: 00000000
esi: c12a0090 edi: c12a0000 ebp: 00000005 esp: c0c01b60
ds: 0018 es: 0018 ss: 0018
Process ln (pid: 928, stackpage=c0c01000)
Stack: c12a0078 c12a017c c0c01bf8 00000001 00000000 c0c01be0 c0178dc4
c058dc00
       c0c01ba4 c0c01b8c 00000000 c0182728 c0182736 00000001 00000130
00000000
       00000000 c0c01c40 00000001 00000000 c0c01c28 c0c01bfc 00000000
00000000
Call Trace: [<c0178dc4>] [<c0182728>] [<c0182736>] [<c018ede7>]
[<c017d3a3>] [<c017d842>] [<c017a5f2>]
       [<c0230f99>] [<c0239e3a>] [<c0139892>] [<c0139951>] [<c010a717>]
Code: 8b 52 10 ff d2 5b 5f 8b 54 24 14 8b 42 34 89 c7 0f b7 47 02

>>EIP; c0185953 <check_leaf+a3/c0> <=====
Trace; c0178dc4 <do_balance+114/140>
Trace; c0182728 <fix_nodes+348/540>
Trace; c0182736 <fix_nodes+356/540>
Trace; c018ede7 <reiserfs_insert_item+a7/110>
Trace; c017d3a3 <reiserfs_new_symlink+e3/f0>
Trace; c017d842 <reiserfs_new_inode+492/500>
Trace; c017a5f2 <reiserfs_symlink+122/220>
Trace; c0230f99 <tvecs+193c9/27ed0>
Trace; c0239e3a <tvecs+2226a/27ed0>
Trace; c0139892 <vfs_symlink+62/a0>
Trace; c0139951 <sys_symlink+81/d0>
Trace; c010a717 <system_call+33/38>
Code; c0185953 <check_leaf+a3/c0>
00000000 <_EIP>:
Code; c0185953 <check_leaf+a3/c0> <=====
   0: 8b 52 10 mov 0x10(%edx),%edx <=====
Code; c0185956 <check_leaf+a6/c0>
   3: ff d2 call *%edx
Code; c0185958 <check_leaf+a8/c0>
   5: 5b pop %ebx
Code; c0185959 <check_leaf+a9/c0>
   6: 5f pop %edi
Code; c018595a <check_leaf+aa/c0>
   7: 8b 54 24 14 mov 0x14(%esp,1),%edx
Code; c018595e <check_leaf+ae/c0>
   b: 8b 42 34 mov 0x34(%edx),%eax
Code; c0185961 <check_leaf+b1/c0>
   e: 89 c7 mov %eax,%edi
Code; c0185963 <check_leaf+b3/c0>
  10: 0f b7 47 02 movzwl 0x2(%edi),%eax

1 warning issued. Results may not be reliable.

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