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and subject line #252234 kernel-image-2.6.6-1-686: smbfs corner case - pointer
error (and nautilus freeze)
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Subject: kernel-image-2.6.6-1-686: smbfs corner case - pointer error (and
nautilus freeze)
From: Alban Browaeys <[EMAIL PROTECTED]>
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To: Debian Bug Tracking System <[EMAIL PROTECTED]>
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Date: Wed, 02 Jun 2004 10:55:39 +0200
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Package: kernel-image-2.6.6-1-686
Version: 2.6.6-1
Severity: normal
smbfs: Unrecognized mount option nosuid
smb_lookup: find //.Trash-prahal failed, error=-5
Unable to handle kernel NULL pointer dereference at virtual address
00000000
printing eip:
00000000
*pde = 00000000
Oops: 0000 [#1]
PREEMPT
CPU: 0
EIP: 0060:[<00000000>] Not tainted
EFLAGS: 00210246 (2.6.6-1-686)
EIP is at 0x0
eax: d11a9cb8 ebx: d49e1f30 ecx: c0165a40 edx: d54e4994
esi: d49e1fa0 edi: c11bdd20 ebp: d0bf1720 esp: d49e1efc
ds: 007b es: 007b ss: 0068
Process nautilus (pid: 4012, threadinfo=d49e0000 task=d48a2090)
Stack: deb54c66 d0bf1720 d49e1fa0 c0165a40 d49e1f30 00000000 00000002
00000004
cdef6ed0 00000000 cdee9000 d54e4994 cf461384 00e3e3e1 000564c2
00e3e3e1
00000000 00000000 cdee9000 00000002 00000000 00000000 00000001
00000004
Call Trace:
[<deb54c66>] smb_readdir+0x406/0x5b0 [smbfs]
[<c0165a40>] filldir64+0x0/0x100
[<c0165735>] vfs_readdir+0xa5/0xc0
[<c0165a40>] filldir64+0x0/0x100
[<c0165bae>] sys_getdents64+0x6e/0xaa
[<c0165a40>] filldir64+0x0/0x100
[<c010607b>] syscall_call+0x7/0xb
Code: Bad EIP value.
<6>SMB connection re-established (-5)
The share is read write but the permission root folder of this share
prevent from adding/removing a dir (modify is at no). Subfolders are
read-write.
Seems smbfs is confused by this permission clash . Could it die
flawlessly . Nautilus become an unkillable zombie .
Alban
-- System Information:
Debian Release: testing/unstable
APT prefers unstable
APT policy: (500, 'unstable'), (1, 'experimental')
Architecture: i386 (i686)
Kernel: Linux 2.6.6-1-686
Locale: [EMAIL PROTECTED], [EMAIL PROTECTED]
Versions of packages kernel-image-2.6.6-1-686 depends on:
ii coreutils [fileutils] 5.0.91-2 The GNU core utilities
ii fileutils 5.0.91-2 The GNU file management
utilities
ii initrd-tools 0.1.70 tools to create initrd
image for p
ii module-init-tools 3.0-pre10-4 tools for managing Linux
kernel mo
-- no debconf information
---------------------------------------
Received: (at 252234-done) by bugs.debian.org; 25 Aug 2004 17:47:47 +0000
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Date: Wed, 25 Aug 2004 19:47:45 +0200
From: Christoph Hellwig <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED]
Subject: #252234 kernel-image-2.6.6-1-686: smbfs corner case - pointer error
(and nautilus freeze)
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This problem is fixed in Linux 2.6.8 and later by the following
changeset:
[EMAIL PROTECTED], 2004-06-27 23:34:47-07:00, [EMAIL PROTECTED]
[PATCH] Fix smbfs readdir oop=DF
This has been reported a couple of times and is consistently causing so=
me
folks grief, so Urban, would you mind terribly if i send this patch to =
at
least clear current bug reports. If there is additional stuff you want
ontop of this let me know and i can send a follow up patch.
The bug is that at times we haven't completed setting up the smb_ops so=
we
have a temporary 'null' ops in place until the connection is completely=
up.
With this setup it's possible to hit ->readdir() whilst the null ops ar=
e
still in place, so we put the process to sleep until the connection set=
up
is complete and then call the real ->readdir().
This patch addresses the bugzilla report at
http://bugzilla.kernel.org/show_bug.cgi?id=3D1671
=20
Signed-off-by: Zwane Mwaikambo <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
