* Oops with kerberos flavor on 2.6.23-rc9-CITI_NFS4_ALL-1
@ 2007-10-11 8:01 Le Rouzic
2007-10-12 14:05 ` Fix for " Le Rouzic
0 siblings, 1 reply; 2+ messages in thread
From: Le Rouzic @ 2007-10-11 8:01 UTC (permalink / raw)
To: nfsv4; +Cc: nfs
Hi,
Running 2.6.23-rc9-CITI_NFS4_ALL-1 on two Intel X86_64 two ways machines
as client and server with NFSV4 mounting
using kerberos flavors (krb5 or krb5i or krb5p),
I get the following Oops when running several robustness tests
(fsx,iozone,fssb,connectathon,fss_stress):
frec kernel: Unable to handle kernel NULL pointer dereference at
0000000000000080 RIP:
frec kernel: [<ffffffff805ac308>] svc_gss_principal+0x12/0x1a
frec kernel: PGD 2bd43067 PUD 2c1bb067 PMD 0
frec kernel: Oops: 0000 [1] SMP
frec kernel: CPU 0
frec kernel: Modules linked in: hidp hid rfcomm l2cap bluetooth
dm_multipath backlight radeon drm
parport_pc lp parport floppy nvram e752x_edac edac_core i6300esb
i2c_i801 i2c_core dm_snapshot dm_zero dm_mirror dm_mod
frec kernel: Pid: 3280, comm: nfsd Not tainted 2.6.23-rc9-CITI_NFS4_ALL-1 #2
frec kernel: RIP: 0010:[<ffffffff805ac308>] [<ffffffff805ac308>]
svc_gss_principal+0x12/0x1a
frec kernel: RSP: 0018:ffff81006555bd78 EFLAGS: 00010286
frec kernel: RAX: 0000000000000000 RBX: ffff81007c1e0a00 RCX:
0000000000000000
frec kernel: RDX: ffff810065153c00 RSI: 0000000000000028 RDI:
ffff8100655d2000
frec kernel: RBP: ffffffff808b5ed0 R08: ffff8100604706e0 R09:
0000000000000000
frec kernel: R10: ffff81006a8641c0 R11: 0000000000000058 R12:
0000000000000000
frec kernel: R13: ffff8100655d2000 R14: ffff8100655d2028 R15:
ffff8100657e4080
frec kernel: FS: 00002b97ba3c06f0(0000) GS:ffffffff807a1000(0000)
knlGS:0000000000000000
frec kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
frec kernel: CR2: 0000000000000080 CR3: 000000002bd40000 CR4:
00000000000006e0
frec kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
frec kernel: DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
0000000000000400
frec kernel: Process nfsd (pid: 3280, threadinfo ffff81006555a000, task
ffff81007d0ee860)
frec kernel: Stack: ffffffff8034702f 0000000000000286 ffffffff808b5ed0
3439653362313538
frec kernel: 3633316539316532 3462383431386532 3232313935306462
0000000000000000
frec kernel: ffffffff805b39ad ffffffff00000028 ffff81005a53b080
ffff81006555be10
frec kernel: Call Trace:
frec kernel: [<ffffffff8034702f>] nfsd4_setclientid+0x247/0x496
frec kernel: [<ffffffff805b39ad>] _spin_unlock_bh+0x9/0x15
frec kernel: [<ffffffff8033d453>] nfsd4_proc_compound+0x1ad/0x2b9
frec kernel: [<ffffffff8032ecb5>] nfsd_dispatch+0xde/0x1b6
-------------------------------------------------------------
See Bug:
http://bugzilla.linux-nfs.org/show_bug.cgi?id=149
Cheers
--
-----------------------------------------------------------------
Company : Bull, Architect of an Open World TM (www.bull.com)
Name : Aime Le Rouzic
Mail : Bull - BP 208 - 38432 Echirolles Cedex - France
E-Mail : aime.le-rouzic@bull.net
Phone : 33 (4) 76.29.75.51
Fax : 33 (4) 76.29.75.18
-----------------------------------------------------------------
^ permalink raw reply [flat|nested] 2+ messages in thread
* Fix for Oops with kerberos flavor on 2.6.23-rc9-CITI_NFS4_ALL-1
2007-10-11 8:01 Oops with kerberos flavor on 2.6.23-rc9-CITI_NFS4_ALL-1 Le Rouzic
@ 2007-10-12 14:05 ` Le Rouzic
0 siblings, 0 replies; 2+ messages in thread
From: Le Rouzic @ 2007-10-12 14:05 UTC (permalink / raw)
To: nfsv4; +Cc: nfs
Hi,
Oops fixed by the following patch delivered by Bruce Fields.
diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcaut=
h_gss.c
index f530df0..3b5ea95 100644
--- a/net/sunrpc/auth_gss/svcauth_gss.c
+++ b/net/sunrpc/auth_gss/svcauth_gss.c
@@ -935,7 +935,7 @@ char *svc_gss_principal(struct svc_rqst *rqstp)
{
struct gss_svc_data *gd =3D (struct gss_svc_data *)rqstp->rq_auth_data;
=
- if (gd)
+ if (gd && gd->rsci)
return gd->rsci->client_name;
return NULL;
}
See Bug: =
http://bugzilla.linux-nfs.org/show_bug.cgi?id=3D149 =
Cheers
Le Rouzic a =E9crit :
>Hi,
>
>Running 2.6.23-rc9-CITI_NFS4_ALL-1 on two Intel X86_64 two ways machines =
>as client and server with NFSV4 mounting
>using kerberos flavors (krb5 or krb5i or krb5p),
>I get the following Oops when running several robustness tests =
>(fsx,iozone,fssb,connectathon,fss_stress):
>
>frec kernel: Unable to handle kernel NULL pointer dereference at =
>0000000000000080 RIP:
>frec kernel: [<ffffffff805ac308>] svc_gss_principal+0x12/0x1a
>frec kernel: PGD 2bd43067 PUD 2c1bb067 PMD 0
>frec kernel: Oops: 0000 [1] SMP
>frec kernel: CPU 0
>frec kernel: Modules linked in: hidp hid rfcomm l2cap bluetooth =
>dm_multipath backlight radeon drm
>parport_pc lp parport floppy nvram e752x_edac edac_core i6300esb =
>i2c_i801 i2c_core dm_snapshot dm_zero dm_mirror dm_mod
>frec kernel: Pid: 3280, comm: nfsd Not tainted 2.6.23-rc9-CITI_NFS4_ALL-1 =
#2
>frec kernel: RIP: 0010:[<ffffffff805ac308>] [<ffffffff805ac308>] =
>svc_gss_principal+0x12/0x1a
>frec kernel: RSP: 0018:ffff81006555bd78 EFLAGS: 00010286
>frec kernel: RAX: 0000000000000000 RBX: ffff81007c1e0a00 RCX: =
>0000000000000000
>frec kernel: RDX: ffff810065153c00 RSI: 0000000000000028 RDI: =
>ffff8100655d2000
>frec kernel: RBP: ffffffff808b5ed0 R08: ffff8100604706e0 R09: =
>0000000000000000
>frec kernel: R10: ffff81006a8641c0 R11: 0000000000000058 R12: =
>0000000000000000
>frec kernel: R13: ffff8100655d2000 R14: ffff8100655d2028 R15: =
>ffff8100657e4080
>frec kernel: FS: 00002b97ba3c06f0(0000) GS:ffffffff807a1000(0000) =
>knlGS:0000000000000000
>frec kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
>frec kernel: CR2: 0000000000000080 CR3: 000000002bd40000 CR4: =
>00000000000006e0
>frec kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: =
>0000000000000000
>frec kernel: DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: =
>0000000000000400
>frec kernel: Process nfsd (pid: 3280, threadinfo ffff81006555a000, task =
>ffff81007d0ee860)
>frec kernel: Stack: ffffffff8034702f 0000000000000286 ffffffff808b5ed0 =
>3439653362313538
>frec kernel: 3633316539316532 3462383431386532 3232313935306462 =
>0000000000000000
>frec kernel: ffffffff805b39ad ffffffff00000028 ffff81005a53b080 =
>ffff81006555be10
>frec kernel: Call Trace:
>frec kernel: [<ffffffff8034702f>] nfsd4_setclientid+0x247/0x496
>frec kernel: [<ffffffff805b39ad>] _spin_unlock_bh+0x9/0x15
>frec kernel: [<ffffffff8033d453>] nfsd4_proc_compound+0x1ad/0x2b9
>frec kernel: [<ffffffff8032ecb5>] nfsd_dispatch+0xde/0x1b6
>
>------------------------------------------------------------- =
>See Bug: =
> http://bugzilla.linux-nfs.org/show_bug.cgi?id=3D149 =
>
>Cheers
> =
>
-- =
-----------------------------------------------------------------
Company : Bull, Architect of an Open World TM (www.bull.com)
Name : Aime Le Rouzic =
Mail : Bull - BP 208 - 38432 Echirolles Cedex - France
E-Mail : aime.le-rouzic@bull.net
Phone : 33 (4) 76.29.75.51
Fax : 33 (4) 76.29.75.18
----------------------------------------------------------------- =
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2007-10-12 14:05 ` Fix for " Le Rouzic
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