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7fc90ec93a
linux/fs
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J. Bruce Fields 7fc90ec93a [PATCH] knfsd: nfsd: call nfsd_setuser() on fh_compose(), fix nfsd4 permissions problem 
In the typical v2/v3 case the only new filehandles used as arguments to
operations are filehandles taken directly off the wire, which don't get
dentries until fh_verify() is called.

But in v4 the filehandles that are arguments to operations were often created
by previous operations (putrootfh, lookup, etc.) using fh_compose, which sets
the dentry in the filehandle without calling nfsd_setuser().

This also means that, for example, if filesystem B is mounted on filesystem A,
and filesystem A is exported without root-squashing, then a client can bypass
the rootsquashing on B using a compound that starts at a filehandle in A,
crosses into B using lookups, and then does stuff in B.

Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-06-30 11:25:40 -07:00
..
9p [PATCH] v9fs: fix fid check in v9fs_create 2006-06-28 14:59:05 -07:00
adfs [PATCH] mark address_space_operations const 2006-06-28 14:59:04 -07:00
affs [PATCH] mark address_space_operations const 2006-06-28 14:59:04 -07:00
afs [PATCH] mark address_space_operations const 2006-06-28 14:59:04 -07:00
autofs [PATCH] VFS: Permit filesystem to override root dentry on mount 2006-06-23 07:42:45 -07:00
autofs4 [PATCH] fs: use list_move() 2006-06-26 09:58:18 -07:00
befs [PATCH] mark address_space_operations const 2006-06-28 14:59:04 -07:00
bfs [PATCH] mark address_space_operations const 2006-06-28 14:59:04 -07:00
cifs [PATCH] mark address_space_operations const 2006-06-28 14:59:04 -07:00
coda Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/devfs-2.6 2006-06-29 14:19:21 -07:00
configfs configfs: Clear up a few extra spaces where there should be TABs. 2006-06-29 14:43:01 -07:00
cramfs [PATCH] mark address_space_operations const 2006-06-28 14:59:04 -07:00
debugfs Merge branch 'master' of /home/trondmy/kernel/linux-2.6/ 2006-06-24 13:07:53 -04:00
devpts [PATCH] VFS: Permit filesystem to override root dentry on mount 2006-06-23 07:42:45 -07:00
efs [PATCH] mark address_space_operations const 2006-06-28 14:59:04 -07:00
exportfs [PATCH] NFS server subtree_check returns dubious value 2006-05-21 12:59:16 -07:00
ext2 [PATCH] mark address_space_operations const 2006-06-28 14:59:04 -07:00
ext3 [PATCH] mark address_space_operations const 2006-06-28 14:59:04 -07:00
fat [PATCH] mark address_space_operations const 2006-06-28 14:59:04 -07:00
freevxfs [PATCH] mark address_space_operations const 2006-06-28 14:59:04 -07:00
fuse [PATCH] mark address_space_operations const 2006-06-28 14:59:04 -07:00
hfs [PATCH] mark address_space_operations const 2006-06-28 14:59:04 -07:00
hfsplus [PATCH] mark address_space_operations const 2006-06-28 14:59:04 -07:00
hostfs [PATCH] mark address_space_operations const 2006-06-28 14:59:04 -07:00
hpfs [PATCH] mark address_space_operations const 2006-06-28 14:59:04 -07:00
hppfs [PATCH] VFS: Permit filesystem to perform statfs with a known root dentry 2006-06-23 07:42:45 -07:00
hugetlbfs [PATCH] mark address_space_operations const 2006-06-28 14:59:04 -07:00
isofs [PATCH] mark address_space_operations const 2006-06-28 14:59:04 -07:00
jbd [PATCH] add poison.h and patch primary users 2006-06-27 17:32:38 -07:00
jffs [PATCH] mark address_space_operations const 2006-06-28 14:59:04 -07:00
jffs2 [PATCH] mark address_space_operations const 2006-06-28 14:59:04 -07:00
jfs [PATCH] mark address_space_operations const 2006-06-28 14:59:04 -07:00
lockd NLM: Fix reclaim races 2006-06-09 09:40:27 -04:00
minix [PATCH] mark address_space_operations const 2006-06-28 14:59:04 -07:00
msdos [PATCH] VFS: Permit filesystem to override root dentry on mount 2006-06-23 07:42:45 -07:00
ncpfs [PATCH] Light weight event counters 2006-06-30 11:25:36 -07:00
nfs [PATCH] zoned vm counters: conversion of nr_unstable to per zone counter 2006-06-30 11:25:36 -07:00
nfs_common [PATCH] nfsacl: Solaris VxFS compatibility fix 2005-10-11 09:46:54 -07:00
nfsd [PATCH] knfsd: nfsd: call nfsd_setuser() on fh_compose(), fix nfsd4 permissions problem 2006-06-30 11:25:40 -07:00
nls [PATCH] fs: Use ARRAY_SIZE macro 2006-03-24 07:33:19 -08:00
ntfs [PATCH] mark address_space_operations const 2006-06-28 14:59:04 -07:00
ocfs2 ocfs2: remove redundant NULL checks in ocfs2_direct_IO_get_blocks() 2006-06-29 16:13:35 -07:00
openpromfs [OPENPROMFS]: Rewrite using in-kernel device tree and seq_file. 2006-06-25 23:19:14 -07:00
partitions [PATCH] devfs: Remove the devfs_fs_kernel.h file from the tree 2006-06-26 12:25:08 -07:00
proc [PATCH] zoned vm counters: conversion of nr_bounce to per zone counter 2006-06-30 11:25:36 -07:00
qnx4 [PATCH] mark address_space_operations const 2006-06-28 14:59:04 -07:00
ramfs [PATCH] mark address_space_operations const 2006-06-28 14:59:04 -07:00
reiserfs [PATCH] mark address_space_operations const 2006-06-28 14:59:04 -07:00
romfs [PATCH] mark address_space_operations const 2006-06-28 14:59:04 -07:00
smbfs [PATCH] mark address_space_operations const 2006-06-28 14:59:04 -07:00
sysfs [PATCH] mark address_space_operations const 2006-06-28 14:59:04 -07:00
sysv [PATCH] mark address_space_operations const 2006-06-28 14:59:04 -07:00
udf [PATCH] mark address_space_operations const 2006-06-28 14:59:04 -07:00
ufs [PATCH] ufs: printk() fix 2006-06-29 10:26:20 -07:00
vfat [PATCH] VFS: Permit filesystem to override root dentry on mount 2006-06-23 07:42:45 -07:00
xfs [PATCH] mark address_space_operations const 2006-06-28 14:59:04 -07:00
aio.c spelling fixes 2006-06-26 18:35:02 +02:00
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_fdpic.c [PATCH] frv: binfmt_elf_fdpic __user annotations 2006-06-23 07:42:54 -07:00
binfmt_elf.c [PATCH] binflt_elf: remove more casts 2006-06-23 07:43:05 -07:00
binfmt_em86.c
binfmt_flat.c [PATCH] uclinux: use PER_LINUX_32BIT in binfmt_flat 2006-06-25 21:04:24 -07:00
binfmt_misc.c Merge branch 'master' of /home/trondmy/kernel/linux-2.6/ 2006-06-24 13:07:53 -04:00
binfmt_script.c
binfmt_som.c [PATCH] mm: mm_init set_mm_counters 2005-10-29 21:40:38 -07:00
bio.c [PATCH] Fix missing ret assignment in __bio_map_user() error path 2006-06-17 10:52:12 -07:00
block_dev.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/devfs-2.6 2006-06-29 14:19:21 -07:00
buffer.c [PATCH] zoned vm counters: conversion of nr_dirty to per zone counter 2006-06-30 11:25:35 -07:00
char_dev.c [PATCH] devfs: Remove the devfs_fs_kernel.h file from the tree 2006-06-26 12:25:08 -07:00
compat_ioctl.c [PATCH] devfs: Remove devfs from the kernel tree 2006-06-26 12:25:05 -07:00
compat.c [PATCH] x86_64: Add compat_printk and sysctl to turn off compat layer warnings 2006-06-26 10:48:16 -07:00
dcache.c [PATCH] core: use list_move() 2006-06-26 09:58:17 -07:00
dcookies.c [PATCH] Use __read_mostly on some hot fs variables 2006-03-26 08:56:56 -08:00
direct-io.c [PATCH] Kill PF_SYNCWRITE flag 2006-06-23 17:10:39 +02:00
dnotify.c [PATCH] Use __read_mostly on some hot fs variables 2006-03-26 08:56:56 -08:00
dquot.c [PATCH] use list_add_tail() instead of list_add() 2006-06-26 09:58:17 -07:00
drop_caches.c [PATCH] drop-pagecache 2006-01-08 20:12:40 -08:00
eventpoll.c [PATCH] epoll: use unlocked wqueue operations 2006-06-25 10:01:13 -07:00
exec.c [PATCH] coredump: shutdown current process first 2006-06-26 09:58:27 -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_table.c [PATCH] percpu counter data type changes to suppport more than 2**31 ext3 free blocks counter 2006-06-23 07:43:06 -07:00
file.c [PATCH] for_each_possible_cpu: fixes for generic part 2006-03-28 09:16:05 -08:00
filesystems.c [PATCH] fix missing includes 2005-10-30 17:37:32 -08:00
fs-writeback.c [PATCH] zoned vm counters: conversion of nr_unstable to per zone counter 2006-06-30 11:25:36 -07:00
inode.c [PATCH] Light weight event counters 2006-06-30 11:25:36 -07:00
inotify_user.c [PATCH] VFS: Permit filesystem to override root dentry on mount 2006-06-23 07:42:45 -07:00
inotify.c [PATCH] inotify (4/5): allow watch removal from event handler 2006-06-20 05:25:19 -04:00
ioctl.c [PATCH] capable/capability.h (fs/) 2006-01-11 18:42:13 -08:00
ioprio.c [PATCH] SELinux: Add security hook definition for getioprio and insert hooks 2006-06-30 11:25:37 -07:00
Kconfig ocfs2: OCFS2_FS must depend on SYSFS 2006-06-29 14:56:12 -07:00
Kconfig.binfmt [PATCH] frv: suppress configuration of certain features for FRV 2006-01-08 20:13:36 -08:00
libfs.c [PATCH] core: use list_move() 2006-06-26 09:58:17 -07:00
locks.c [PATCH] fs/locks.c: make posix_locks_deadlock() static 2006-06-23 07:43:03 -07:00
Makefile [PATCH] devfs: Remove devfs from the kernel tree 2006-06-26 12:25:05 -07:00
mbcache.c [PATCH] Typo fixes 2006-03-28 09:16:08 -08:00
mpage.c [PATCH] writeback: fix range handling 2006-06-23 07:42:49 -07:00
namei.c [PATCH] Implement AT_SYMLINK_FOLLOW flag for linkat 2006-06-25 10:01:22 -07:00
namespace.c [PATCH] core: use list_move() 2006-06-26 09:58:17 -07:00
nfsctl.c [PATCH] fs: Use ARRAY_SIZE macro 2006-03-24 07:33:19 -08:00
open.c [PATCH] ftruncate does not always update m/ctime 2006-06-25 10:01:15 -07:00
pipe.c [PATCH] VFS: Permit filesystem to override root dentry on mount 2006-06-23 07:42:45 -07:00
pnode.c [PATCH] core: use list_move() 2006-06-26 09:58:17 -07:00
pnode.h [PATCH] unbindable mounts 2005-11-07 18:18:11 -08:00
posix_acl.c [PATCH] gfp flags annotations - part 1 2005-10-08 15:00:57 -07:00
quota_v1.c
quota_v2.c [PATCH] sem2mutex: quota 2006-03-23 07:38:11 -08:00
quota.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] fs: sys_poll with timeout -1 bug fix 2006-06-25 10:01:22 -07:00
seq_file.c [PATCH] sem2mutex: fs/seq_file.c 2006-03-23 07:38:12 -08:00
splice.c [PATCH] splice: retrieve mapping after locking the page 2006-06-23 17:10:39 +02:00
stat.c [PATCH] powerpc: Wire up *at syscalls 2006-04-28 21:04:59 +10:00
super.c Merge branch 'master' of /home/trondmy/kernel/linux-2.6/ 2006-06-24 13:07:53 -04:00
sync.c [PATCH] writeback: fix range handling 2006-06-23 07:42:49 -07:00
xattr_acl.c
xattr.c [PATCH] log more info for directory entry change events 2006-06-20 05:25:28 -04:00