Skip to contentSkip to conversation

[Fwd: oops 2.4.19-rc1 process lockd ( part 3 : no vmware )]

Fwd: oops 2.4.19-rc1 process lockd ( part 3 : no vmware ) Nicholas L. Nigay 2 participants 2 messages Jul 1, 2002

Subsystems (2)
NFS client NFS server
lore
Share & tools
lore

Nicholas L. Nigay

author
#0 lore raw

Oops occures after 'showmount -e <linux_ip>' command has been executed.

ksymoops 2.4.5 on i686 2.4.19-rc1. Options used
-V (default)
-k /proc/ksyms (default)
-l /proc/modules (default)
-o /lib/modules/2.4.19-rc1/ (default)
-m /boot/System.map (specified)

Unable to handle kernel paging request at virtual address 8b80c058
c02ac415
*pde = 00000000
Oops: 0002
CPU:    0
EIP:    0010:[<c02ac415>]    Not tainted

Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010207
eax: 300c9800 ebx: cb4e6058 ecx: cb4e6058 edx: cc99be64
esi: cc99be6c edi: c0186fc8 ebp: cc400900 esp: cd319d94
ds: 0018 es: 0018 ss: 0018
Process lockd (pid: 90, stackpage=cd319000)

Stack: cb4e6058 cc99be6c c0186fc8 c0186719 cb4e6058 cc99be64 cd39205c cd4ed880
       c0186fc8 cc400900 cd4ed880 cb4e6018 00000000 cc400900 c0186fdc 
cb4e6044
       cc99be08 cd39205c c02a47fc cd39205c cb4e6044 cc99be08 cd4ed8d4 
fffffff5
Call Trace: [<c0186fc8>] [<c0186719>] [<c0186fc8>] [<c0186fdc>] [<c02a47fc>]
   [<c02a79ac>] [<c02a4496>] [<c02a7c17>] [<c02a4431>] [<c018168a>]

[<c0187a0c>]
[<c01879e7>] [<c0187a0c>] [<c01874e8>] [<c026a316>] [<c0237065>]
[<c0186417>]
[<c018647c>] [<c018649a>] [<c018691a>] [<c02a9d81>] [<c018278e>]
[<c0107028>]

Code: c7 04 83 00 00 00 00 8b 02 0f c8 89 01 8b 72 04 8b 02 83 c3
Quoted 10 lines
Quoted 10 lines

EIP; c02ac415 <xdr_encode_netobj+15/4c> <=====

eax; 300c9800 Before first symbol
ebx; cb4e6058 <_end+b13cd48/1047fcf0>
ecx; cb4e6058 <_end+b13cd48/1047fcf0>
edx; cc99be64 <_end+c5f2b54/1047fcf0>
esi; cc99be6c <_end+c5f2b5c/1047fcf0>
edi; c0186fc8 <nlm4clt_encode_testres+0/30>
ebp; cc400900 <_end+c0575f0/1047fcf0>
esp; cd319d94 <_end+cf70a84/1047fcf0>

Trace; c0186fc8 <nlm4clt_encode_testres+0/30>
Trace; c0186719 <nlm4_encode_testres+89/1f0>
Trace; c0186fc8 <nlm4clt_encode_testres+0/30>
Trace; c0186fdc <nlm4clt_encode_testres+14/30>
Trace; c02a47fc <call_encode+d8/104>
Trace; c02a79ac <__rpc_execute+a8/2bc>
Trace; c02a4496 <rpc_call_setup+3e/70>
Trace; c02a7c17 <rpc_execute+57/70>
Trace; c02a4431 <rpc_call_async+7d/a4>
Trace; c018168a <nlmsvc_async_call+82/98>
Trace; c0187a0c <nlm4svc_callback_exit+0/54>
Trace; c01879e7 <nlm4svc_callback+73/98>
Trace; c0187a0c <nlm4svc_callback_exit+0/54>
Trace; c01874e8 <nlm4svc_proc_test_msg+48/54>
Trace; c026a316 <inet_sendmsg+3a/40>
Trace; c0237065 <sock_sendmsg+69/88>
Trace; c0186417 <nlm4_decode_oh+f/14>
Trace; c018647c <nlm4_decode_lock+4c/130>
Trace; c018649a <nlm4_decode_lock+6a/130>
Trace; c018691a <nlm4svc_decode_testargs+4e/54>
Trace; c02a9d81 <svc_process+219/4d8>
Trace; c018278e <lockd+19a/254>
Trace; c0107028 <kernel_thread+28/38>

Code; c02ac415 <xdr_encode_netobj+15/4c>
0000000000000000 <_EIP>:
Code; c02ac415 <xdr_encode_netobj+15/4c> <=====
0: c7 04 83 00 00 00 00 movl $0x0,(%ebx,%eax,4) <=====
Code; c02ac41c <xdr_encode_netobj+1c/4c>
7: 8b 02 mov (%edx),%eax
Code; c02ac41e <xdr_encode_netobj+1e/4c>
9: 0f c8 bswap %eax
Code; c02ac420 <xdr_encode_netobj+20/4c>
b: 89 01 mov %eax,(%ecx)
Code; c02ac422 <xdr_encode_netobj+22/4c>
d: 8b 72 04 mov 0x4(%edx),%esi
Code; c02ac425 <xdr_encode_netobj+25/4c>
10: 8b 02 mov (%edx),%eax
Code; c02ac427 <xdr_encode_netobj+27/4c>
12: 83 c3 00 add $0x0,%ebx

Signature · 2 lines
Good luck!
Nicholas L. Nigay
#1 lore raw
Quoted 10 lines
Quoted 10 lines
Quoted 10 lines
Quoted 1 line
Quoted 1 line

" " == Nicholas L Nigay <[email protected]> writes:

EIP; c02ac415 <xdr_encode_netobj+15/4c> <=====

eax; 300c9800 Before first symbol ebx; cb4e6058 <_end+b13cd48/1047fcf0> ecx; cb4e6058 <_end+b13cd48/1047fcf0> edx; cc99be64 <_end+c5f2b54/1047fcf0> esi; cc99be6c <_end+c5f2b5c/1047fcf0> edi; c0186fc8 <nlm4clt_encode_testres+0/30> ebp; cc400900 <_end+c0575f0/1047fcf0> esp; cd319d94 <_end+cf70a84/1047fcf0>

     > Trace; c0186fc8 <nlm4clt_encode_testres+0/30> Trace; c0186719
     > <nlm4_encode_testres+89/1f0> Trace; c0186fc8
     > <nlm4clt_encode_testres+0/30> Trace; c0186fdc
     > <nlm4clt_encode_testres+14/30> Trace; c02a47fc
     > <call_encode+d8/104> Trace; c02a79ac <__rpc_execute+a8/2bc>
     > Trace; c02a4496 <rpc_call_setup+3e/70> Trace; c02a7c17
     > <rpc_execute+57/70> Trace; c02a4431 <rpc_call_async+7d/a4>
     > Trace; c018168a <nlmsvc_async_call+82/98> Trace; c0187a0c
     > <nlm4svc_callback_exit+0/54> Trace; c01879e7
     > <nlm4svc_callback+73/98> Trace; c0187a0c
     > <nlm4svc_callback_exit+0/54> Trace; c01874e8
     > <nlm4svc_proc_test_msg+48/54> Trace; c026a316
     > <inet_sendmsg+3a/40> Trace; c0237065 <sock_sendmsg+69/88>
     > Trace; c0186417 <nlm4_decode_oh+f/14> Trace; c018647c
     > <nlm4_decode_lock+4c/130> Trace; c018649a
     > <nlm4_decode_lock+6a/130> Trace; c018691a
     > <nlm4svc_decode_testargs+4e/54> Trace; c02a9d81
     > <svc_process+219/4d8> Trace; c018278e <lockd+19a/254> Trace;
     > c0107028 <kernel_thread+28/38>

Patch appended...

Cheers,
Trond

fs/lockd/svc4proc.c +1 -0
diff -u --recursive --new-file linux-2.4.18/fs/lockd/svc4proc.c linux-2.4.18-fix_lock/fs/lockd/svc4proc.c
@@ -254,6 +254,7 @@
 
 	dprintk("lockd: TEST_MSG      called\n");
 
+	memset(&res, 0, sizeof(res));
 	if ((stat = nlm4svc_proc_test(rqstp, argp, &res)) == 0)
 		stat = nlm4svc_callback(rqstp, NLMPROC_TEST_RES, &res);
 	return stat;
fs/lockd/svcproc.c +1 -0
diff -u --recursive --new-file linux-2.4.18/fs/lockd/svcproc.c linux-2.4.18-fix_lock/fs/lockd/svcproc.c
@@ -282,6 +282,7 @@
 
 	dprintk("lockd: TEST_MSG      called\n");
 
+	memset(&res, 0, sizeof(res));
 	if ((stat = nlmsvc_proc_test(rqstp, argp, &res)) == 0)
 		stat = nlmsvc_callback(rqstp, NLMPROC_TEST_RES, &res);
 	return stat;