Ryusuke Konishi 0ca7a5b9ac 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@animx.eu.org> Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> Tested-by: Wakko Warner <wakko@animx.eu.org> Cc: stable <stable@kernel.org> [2.6.37, 2.6.36] LKML-Reference: <20110121024918.GA29598@animx.eu.org>		2011-01-22 15:22:36 +09:00
..
alloc.c
alloc.h
bmap.c	nilfs2: unfold nilfs_dat_inode function	2011-01-10 14:38:39 +09:00
bmap.h
btnode.c	nilfs2: unfold nilfs_dat_inode function	2011-01-10 14:38:39 +09:00
btnode.h
btree.c
btree.h
cpfile.c
cpfile.h
dat.c
dat.h
dir.c	nilfs2: do not pass sbi to functions which can get it from inode	2011-01-10 14:37:54 +09:00
direct.c
direct.h
export.h
file.c	nilfs2: fiemap support	2011-01-10 14:05:46 +09:00
gcinode.c
ifile.c
ifile.h
inode.c	nilfs2: unfold nilfs_dat_inode function	2011-01-10 14:38:39 +09:00
ioctl.c	nilfs2: unfold nilfs_dat_inode function	2011-01-10 14:38:39 +09:00
Kconfig
Makefile
mdt.c	nilfs2: simplify nilfs_mdt_freeze_buffer	2011-01-10 14:05:46 +09:00
mdt.h
namei.c	nilfs2: fiemap support	2011-01-10 14:05:46 +09:00
nilfs.h	nilfs2: unfold nilfs_dat_inode function	2011-01-10 14:38:39 +09:00
page.c	nilfs2: fix a checkpatch error in page.c	2011-01-10 14:05:46 +09:00
page.h	nilfs2: fiemap support	2011-01-10 14:05:46 +09:00
recovery.c	nilfs2: do not pass sbi to functions which can get it from inode	2011-01-10 14:37:54 +09:00
sb.h	nilfs2: get rid of nilfs_mount_options structure	2011-01-10 14:05:46 +09:00
segbuf.c
segbuf.h
segment.c	nilfs2: unfold nilfs_dat_inode function	2011-01-10 14:38:39 +09:00
segment.h
sufile.c
sufile.h
super.c	nilfs2: fix crash after one superblock became unavailable	2011-01-22 15:22:36 +09:00
the_nilfs.c	nilfs2: unfold nilfs_dat_inode function	2011-01-10 14:38:39 +09:00
the_nilfs.h	nilfs2: get rid of loaded flag from nilfs object	2011-01-10 14:05:46 +09:00