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aha/fs
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Trond Myklebust 6d09bb627d [PATCH] fs/namei.c: Call to file_permission() under a spinlock in do_lookup_path() 
From: Trond Myklebust <Trond.Myklebust@netapp.com>

We're presently running lock_kernel() under fs_lock via nfs's ->permission
handler.  That's a ranking bug and sometimes a sleep-in-spinlock bug.  This
problem was introduced in the openat() patchset.

We should not need to hold the current->fs->lock for a codepath that doesn't
use current->fs.

[vsu@altlinux.ru: fix error path]
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: Al Viro <viro@ftp.linux.org.uk>
Signed-off-by: Sergey Vlasov <vsu@altlinux.ru>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-06-05 12:29:16 -07:00
..
9p [PATCH] v9fs: signal handling fixes 2006-05-15 11:20:56 -07:00
adfs [PATCH] Make most file operations structs in fs/ const 2006-03-28 09:16:06 -08:00
affs [PATCH] affs: possible null pointer dereference in affs_rename() 2006-05-26 11:55:46 -07:00
afs [PATCH] Make most file operations structs in fs/ const 2006-03-28 09:16:06 -08:00
autofs [PATCH] Make most file operations structs in fs/ const 2006-03-28 09:16:06 -08:00
autofs4 [PATCH] autofs4: NFY_NONE wait race fix 2006-05-15 11:20:54 -07:00
befs [PATCH] Make most file operations structs in fs/ const 2006-03-28 09:16:06 -08:00
bfs [PATCH] Make most file operations structs in fs/ const 2006-03-28 09:16:06 -08:00
cifs [[CIFS] Pass truncate open flag through on file open in case setattr fails 2006-05-30 18:09:31 +00:00
coda [PATCH] Make most file operations structs in fs/ const 2006-03-28 09:16:06 -08:00
configfs configfs: configfs_mkdir() failed to cleanup linkage. 2006-05-17 14:38:51 -07:00
cramfs [PATCH] Make most file operations structs in fs/ const 2006-03-28 09:16:06 -08:00
debugfs [PATCH] Make most file operations structs in fs/ const 2006-03-28 09:16:06 -08:00
devfs [PATCH] Make most file operations structs in fs/ const 2006-03-28 09:16:06 -08:00
devpts [PATCH] devpts: use lib/parser.c for parsing mount options 2006-03-23 07:38:17 -08:00
efs [PATCH] Make most file operations structs in fs/ const 2006-03-28 09:16:06 -08:00
exportfs [PATCH] NFS server subtree_check returns dubious value 2006-05-21 12:59:16 -07:00
ext2 [PATCH] Introduce sys_splice() system call 2006-03-30 12:28:18 -08:00
ext3 [PATCH] ext3 resize: fix double unlock_super() 2006-05-31 16:27:10 -07:00
fat [PATCH] Make most file operations structs in fs/ const 2006-03-28 09:16:06 -08:00
freevxfs BUG_ON() Conversion in fs/freevxfs/ 2006-04-02 13:41:02 +02:00
fuse [fuse] fix race between checking and setting file->private_data 2006-04-26 10:49:16 +02:00
hfs [PATCH] Make most file operations structs in fs/ const 2006-03-28 09:16:06 -08:00
hfsplus BUG_ON() Conversion in fs/hfsplus/ 2006-04-01 01:14:43 +02:00
hostfs [PATCH] Make most file operations structs in fs/ const 2006-03-28 09:16:06 -08:00
hpfs [PATCH] Make most file operations structs in fs/ const 2006-03-28 09:16:06 -08:00
hppfs [PATCH] uml: __user annotations 2006-03-31 12:18:51 -08:00
hugetlbfs [PATCH] Make most file operations structs in fs/ const 2006-03-28 09:16:06 -08:00
isofs [PATCH] Make most file operations structs in fs/ const 2006-03-28 09:16:06 -08:00
jbd [PATCH] Make address_space_operations->invalidatepage return void 2006-03-26 08:56:55 -08:00
jffs [PATCH] Make most file operations structs in fs/ const 2006-03-28 09:16:06 -08:00
jffs2 [PATCH] jffs2 warning fixes 2006-05-15 11:20:58 -07:00
jfs JFS: Fix multiple errors in metapage_releasepage 2006-05-24 07:43:38 -05:00
lockd NFS: make 2 functions static 2006-04-19 12:43:47 -04:00
minix [PATCH] Make most file operations structs in fs/ const 2006-03-28 09:16:06 -08:00
msdos [PATCH] fat: kill reserved names 2006-03-31 12:18:55 -08:00
ncpfs [PATCH] Make most file operations structs in fs/ const 2006-03-28 09:16:06 -08:00
nfs NFS: remove needless check in nfs_opendir() 2006-04-19 13:06:37 -04:00
nfs_common
nfsd [PATCH] knfsd: Fix two problems that can cause rmmod nfsd to die 2006-05-23 10:35:31 -07:00
nls [PATCH] fs: Use ARRAY_SIZE macro 2006-03-24 07:33:19 -08:00
ntfs [PATCH] Make most file operations structs in fs/ const 2006-03-28 09:16:06 -08:00
ocfs2 ocfs2: fix gfp mask in some file system paths 2006-05-17 14:38:49 -07:00
openpromfs [PATCH] Make most file operations structs in fs/ const 2006-03-28 09:16:06 -08:00
partitions Alternative fix for MMC oops on unmount after removal 2006-05-12 18:42:09 -07:00
proc [PATCH] Fix file lookup without ref 2006-04-19 09:13:51 -07:00
qnx4 [PATCH] Make most file operations structs in fs/ const 2006-03-28 09:16:06 -08:00
ramfs [PATCH] Make most file operations structs in fs/ const 2006-03-28 09:16:06 -08:00
reiserfs [PATCH] Fix reiserfs deadlock 2006-04-22 09:19:53 -07:00
romfs [PATCH] Make most file operations structs in fs/ const 2006-03-28 09:16:06 -08:00
smbfs [PATCH] smbfs: Fix slab corruption in samba error path 2006-05-15 11:20:56 -07:00
sysfs [PATCH] sysfs: Allow sysfs attribute files to be pollable 2006-04-14 11:41:24 -07:00
sysv BUG_ON() Conversion in fs/sysv/ 2006-04-02 13:39:21 +02:00
udf BUG_ON() Conversion in fs/udf/ 2006-04-02 13:40:13 +02:00
ufs [PATCH] Make most file operations structs in fs/ const 2006-03-28 09:16:06 -08:00
vfat [PATCH] fat: kill reserved names 2006-03-31 12:18:55 -08:00
xfs [XFS] Fix a possible metadata buffer (AGFL) refcount leak when fixing an 2006-05-08 19:51:58 +10:00
aio.c [PATCH] use kzalloc and kcalloc in core fs code 2006-03-25 08:23:00 -08:00
attr.c [PATCH] capable/capability.h (fs/) 2006-01-11 18:42:13 -08:00
bad_inode.c [PATCH] Make most file operations structs in fs/ const 2006-03-28 09:16:06 -08:00
binfmt_aout.c [PATCH] dump_thread() cleanup 2006-01-10 08:01:25 -08:00
binfmt_elf.c [PATCH] x86_64: Increase the variability of the process stack on 64bit architectures 2006-03-25 09:10:52 -08:00
binfmt_elf_fdpic.c BUG_ON() Conversion in fs/binfmt_elf_fdpic.c 2006-03-24 18:38:48 +01:00
binfmt_em86.c
binfmt_flat.c [PATCH] binfmt_flat: don't check for EMFILE 2006-05-21 12:59:17 -07:00
binfmt_misc.c [PATCH] Make most file operations structs in fs/ const 2006-03-28 09:16:06 -08:00
binfmt_script.c
binfmt_som.c [PATCH] mm: mm_init set_mm_counters 2005-10-29 21:40:38 -07:00
bio.c [PATCH] md: Make sure bi_max_vecs is set properly in bio_split 2006-05-23 10:35:31 -07:00
block_dev.c [PATCH] Add ->splice_read/splice_write to def_blk_fops 2006-05-01 19:59:32 +02:00
buffer.c [PATCH] for_each_online_pgdat: renaming for_each_pgdat 2006-03-27 08:44:48 -08:00
char_dev.c [PATCH] Simplify proc/devices and fix early termination regression 2006-03-31 12:18:53 -08:00
compat.c [PATCH] NFS: fix error handling on access_ok in compat_sys_nfsservctl 2006-05-21 12:59:16 -07:00
compat_ioctl.c [PATCH] fs: Use ARRAY_SIZE macro 2006-03-24 07:33:19 -08:00
dcache.c [PATCH] dcache: Add helper d_hash_and_lookup 2006-03-31 12:19:00 -08:00
dcookies.c [PATCH] Use __read_mostly on some hot fs variables 2006-03-26 08:56:56 -08:00
direct-io.c BUG_ON() Conversion in fs/direct-io.c 2006-04-01 01:10:13 +02:00
dnotify.c [PATCH] Use __read_mostly on some hot fs variables 2006-03-26 08:56:56 -08:00
dquot.c BUG_ON() Conversion in fs/dquot.c 2006-04-02 13:36:13 +02:00
drop_caches.c [PATCH] drop-pagecache 2006-01-08 20:12:40 -08:00
eventpoll.c [PATCH] uniform POLLRDHUP handling between epoll and poll/select 2006-04-11 06:18:42 -07:00
exec.c [PATCH] task: Make task list manipulations RCU safe 2006-04-19 09:13:49 -07:00
fcntl.c BUG_ON() Conversion in fs/fcntl.c 2006-04-02 13:37:19 +02:00
fifo.c [PATCH] pipe.c/fifo.c code cleanups 2006-04-11 13:53:33 +02:00
file.c [PATCH] for_each_possible_cpu: fixes for generic part 2006-03-28 09:16:05 -08:00
file_table.c [PATCH] get_empty_filp tweaks, inline epoll_init_file() 2006-03-23 07:38:17 -08:00
filesystems.c [PATCH] fix missing includes 2005-10-30 17:37:32 -08:00
fs-writeback.c [PATCH] Move cond_resched() after iput() in sync_sb_inodes() 2006-03-25 08:22:56 -08:00
inode.c BUG_ON() Conversion in fs/inode.c 2006-04-02 13:38:18 +02:00
inotify.c [PATCH] fix NULL dereference in inotify_ignore 2006-05-21 12:59:18 -07:00
ioctl.c [PATCH] capable/capability.h (fs/) 2006-01-11 18:42:13 -08:00
ioprio.c [PATCH] capable/capability.h (fs/) 2006-01-11 18:42:13 -08:00
Kconfig [PATCH] hugetlbfs: add Kconfig help text 2006-04-19 09:13:50 -07:00
Kconfig.binfmt [PATCH] frv: suppress configuration of certain features for FRV 2006-01-08 20:13:36 -08:00
libfs.c [PATCH] Make most file operations structs in fs/ const 2006-03-28 09:16:06 -08:00
locks.c [PATCH] fs/locks.c: Fix lease_init 2006-05-08 08:07:17 -07:00
Makefile configfs: Make sure configfs_init() is called before consumers. 2006-05-17 14:38:51 -07:00
mbcache.c [PATCH] Typo fixes 2006-03-28 09:16:08 -08:00
mpage.c [PATCH] map multiple blocks for mpage_readpages() 2006-03-26 08:57:01 -08:00
namei.c [PATCH] fs/namei.c: Call to file_permission() under a spinlock in do_lookup_path() 2006-06-05 12:29:16 -07:00
namespace.c [PATCH] revert "vfs: propagate mnt_flags into do_loopback/vfsmount" 2006-05-15 11:20:57 -07:00
nfsctl.c [PATCH] fs: Use ARRAY_SIZE macro 2006-03-24 07:33:19 -08:00
open.c [PATCH] fs/open.c: unexport sys_openat 2006-05-15 11:20:54 -07:00
pipe.c [PATCH] vmsplice: restrict stealing a little more 2006-05-02 15:29:57 +02:00
pnode.c [PATCH] s/;;/;/g 2006-03-24 07:33:24 -08:00
pnode.h [PATCH] unbindable mounts 2005-11-07 18:18:11 -08:00
posix_acl.c
quota.c [PATCH] sem2mutex: quota 2006-03-23 07:38:11 -08:00
quota_v1.c
quota_v2.c [PATCH] sem2mutex: quota 2006-03-23 07:38:11 -08:00
read_write.c [PATCH] splice: unlikely() optimizations 2006-04-11 13:56:09 +02:00
readdir.c [PATCH] mutex subsystem, semaphore to mutex: VFS, ->i_sem 2006-01-09 15:59:24 -08:00
select.c [PATCH] select: don't overflow if (SELECT_STACK_ALLOC % sizeof(long) != 0) 2006-04-11 06:18:41 -07:00
seq_file.c [PATCH] sem2mutex: fs/seq_file.c 2006-03-23 07:38:12 -08:00
splice.c [PATCH] splice: redo page lookup if add_to_page_cache() returns -EEXIST 2006-05-04 06:55:12 +02:00
stat.c [PATCH] powerpc: Wire up *at syscalls 2006-04-28 21:04:59 +10:00
super.c [PATCH] sem2mutex: fs/ 2006-03-26 08:56:55 -08:00
sync.c [PATCH] sync_file_range(): use unsigned for flags 2006-04-11 06:18:40 -07:00
xattr.c [PATCH] Collect more inode information during syscall processing. 2006-03-20 14:08:53 -05:00
xattr_acl.c