Linus,
please pull from:
git://git.kernel.org/pub/scm/linux/kernel/git/ryusuke/nilfs2.git for-linus
to grab the following bugfix for a reported kernel oops.
Thanks,
Ryusuke Konishi
--
The following changes since commit 1bae4ce27c9c90344f23c65ea6966c50ffeae2f5:
Linux 2.6.38-rc2 (2011-01-21 19:01:34 -0800)
are available in the git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/ryusuke/nilfs2.git for-linus
Ryusuke Konishi (1):
nilfs2: fix crash after one superblock became unavailable
fs/nilfs2/super.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
commit 0ca7a5b9ac5d301845dd6382ff25a699b6263a81
Author: Ryusuke Konishi <konishi.ryusuke@xxxxxxxxxxxxx>
Date: Fri Jan 21 16:40:31 2011 +0900
nilfs2: fix crash after one superblock became unavailable
Fixes the following kernel oops in nilfs_setup_super() which could
arise if one of two super-blocks is unavailable.
> BUG: unable to handle kernel NULL pointer dereference at (null)
> Pid: 3529, comm: mount.nilfs2 Not tainted 2.6.37 #1 /
> EIP: 0060:[<c03196bc>] EFLAGS: 00010202 CPU: 3
> EIP is at memcpy+0xc/0x1b
> Call Trace:
> [<f953720e>] ? nilfs_setup_super+0x6c/0xa5 [nilfs2]
> [<f95369e9>] ? nilfs_get_root_dentry+0x81/0xcb [nilfs2]
> [<f9537a08>] ? nilfs_mount+0x4f9/0x62c [nilfs2]
> [<c02745cf>] ? kstrdup+0x36/0x3f
> [<f953750f>] ? nilfs_mount+0x0/0x62c [nilfs2]
> [<c0293940>] ? vfs_kern_mount+0x4d/0x12c
> [<c02a5100>] ? get_fs_type+0x76/0x8f
> [<c0293a68>] ? do_kern_mount+0x33/0xbf
> [<c02a784a>] ? do_mount+0x2ed/0x714
> [<c02a6171>] ? copy_mount_options+0x28/0xfc
> [<c02a7ce3>] ? sys_mount+0x72/0xaf
> [<c0473085>] ? syscall_call+0x7/0xb
Reported-by: Wakko Warner <wakko@xxxxxxxxxxxx>
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@xxxxxxxxxxxxx>
Tested-by: Wakko Warner <wakko@xxxxxxxxxxxx>
Cc: stable <stable@xxxxxxxxxx> [2.6.37, 2.6.36]
LKML-Reference: <20110121024918.GA29598@xxxxxxxxxxxx>
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