Re: 2.6.3-rc1-mm1 (SELinux + ext3 + nfsd oops)

Chris PeBenito
2004-02-10T23:51:39Z

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I got an oops on boot when nfsd is starting up on a SELinux+ext3
machine. It exports /home, which is mounted thusly:

/dev/sda1 on /home type ext3 (rw,nosuid,nodev,noatime,data=journal,errors=remount-ro)

Oops: 0002 [#1]
CPU: 0
EIP: 0060:[<c017fcab>] Not tainted
EFLAGS: 00010282
EIP is at ext3_xattr_get+0x2b/0x200
eax: ffffffd4 ebx: 00000000 ecx: ffffffea edx: c02c0af1
esi: c02c0af2 edi: c02ad415 ebp: ffffffd4 esp: ca59bb50
ds: 007b es: 007b ss: 0068
Process nfsd (pid: 1435, threadinfo=ca59a000 task=ca59d8e0)
Stack: 00000007 00100000 00000206 ffffff74 ca59bbc8 cbfe5ba0 c01469c9 c02f492c
c02c0af2 c02ad415 ca59bbd0 c01817ba 00000000 00000006 c02c0af1 cbcef6e0
000000ff c03921f4 00000005 c017fa65 00000000 c02c0af1 cbcef6e0 000000ff
Call Trace:
[<c01469c9>] wake_up_buffer+0x9/0x20
[<c01817ba>] ext3_xattr_security_get+0x3a/0x60
[<c017fa65>] ext3_getxattr+0x45/0xc0
[<c01af1e6>] inode_doinit_with_dentry+0x2e6/0x540
[<c0159c03>] d_splice_alias+0x63/0xc0
[<c017a96f>] ext3_lookup+0x6f/0xa0
[<c0151d2a>] __lookup_hash+0x6a/0xa0
[<c0151d6f>] lookup_hash+0xf/0x20
[<c0151dd8>] lookup_one_len+0x58/0x80
[<c0190260>] find_exported_dentry+0x460/0x580
[<c01b2c14>] selinux_ip_postroute_last+0x1b4/0x200
[<c01f715a>] boomerang_start_xmit+0x11a/0x2e0
[<c024fa11>] qdisc_restart+0x11/0xe0
[<c0246437>] dev_queue_xmit+0x157/0x1e0
[<c025ae2c>] ip_finish_output2+0x8c/0x180
[<c024f020>] nf_hook_slow+0xa0/0x100
[<c0242303>] __kfree_skb+0x63/0xe0
[<c02466b5>] net_tx_action+0x35/0xc0

--
Chris PeBenito
<pebenito@gentoo.org>
Developer,
Hardened Gentoo Linux
Embedded Gentoo Linux

Public Key: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xE6AF9243
Key fingerprint = B0E6 877A 883F A57A 8E6A CB00 BC8E E42D E6AF 9243

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