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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>		14 years ago
..
Kconfig	…
Makefile	nilfs2: get rid of GCDAT inode	15 years ago
alloc.c	…
alloc.h	…
bmap.c	nilfs2: unfold nilfs_dat_inode function	14 years ago
bmap.h	nilfs2: get rid of GCDAT inode	15 years ago
btnode.c	nilfs2: unfold nilfs_dat_inode function	14 years ago
btnode.h	nilfs2: add read ahead mode to nilfs_btnode_submit_block	15 years ago
btree.c	nilfs2: apply read-ahead for nilfs_btree_lookup_contig	15 years ago
btree.h	nilfs2: get rid of nilfs_bmap_union	15 years ago
cpfile.c	nilfs2: see state of root dentry for mount check of snapshots	15 years ago
cpfile.h	nilfs2: use iget for all metadata files	15 years ago
dat.c	nilfs2: fix typo in comment of nilfs_dat_move function	14 years ago
dat.h	nilfs2: use iget for all metadata files	15 years ago
dir.c	nilfs2: do not pass sbi to functions which can get it from inode	14 years ago
direct.c	nilfs2: remove redundant pointer checks in bmap lookup functions	15 years ago
direct.h	nilfs2: get rid of nilfs_bmap_union	15 years ago
export.h	nilfs2: make snapshots in checkpoint tree exportable	15 years ago
file.c	nilfs2: fiemap support	14 years ago
gcinode.c	nilfs2: fix regression of garbage collection ioctl	14 years ago
ifile.c	nilfs2: call nilfs_error inside bmap routines	14 years ago
ifile.h	nilfs2: use iget for all metadata files	15 years ago
inode.c	nilfs2: unfold nilfs_dat_inode function	14 years ago
ioctl.c	nilfs2: unfold nilfs_dat_inode function	14 years ago
mdt.c	nilfs2: simplify nilfs_mdt_freeze_buffer	14 years ago
mdt.h	nilfs2: remove own inode allocator and destructor for metadata files	15 years ago
namei.c	nilfs2: fiemap support	14 years ago
nilfs.h	nilfs2: unfold nilfs_dat_inode function	14 years ago
page.c	nilfs2: fix a checkpatch error in page.c	14 years ago
page.h	nilfs2: fiemap support	14 years ago
recovery.c	nilfs2: do not pass sbi to functions which can get it from inode	14 years ago
sb.h	nilfs2: get rid of nilfs_mount_options structure	14 years ago
segbuf.c	nilfs2: get rid of bdi from nilfs object	15 years ago
segbuf.h	…
segment.c	nilfs2: unfold nilfs_dat_inode function	14 years ago
segment.h	nilfs2: use root object to get ifile	15 years ago
sufile.c	nilfs2: get rid of mi_nilfs back pointer to nilfs object	15 years ago
sufile.h	nilfs2: get rid of mi_nilfs back pointer to nilfs object	15 years ago
super.c	nilfs2: fix crash after one superblock became unavailable	14 years ago
the_nilfs.c	nilfs2: unfold nilfs_dat_inode function	14 years ago
the_nilfs.h	nilfs2: get rid of loaded flag from nilfs object	14 years ago