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linux/fs
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Linus Torvalds 7572395767 Fix possible splice() mmap_sem deadlock 
Nick Piggin points out that splice isn't being good about the mmap
semaphore: while two readers can nest inside each others, it does leave
a possible deadlock if a writer (ie a new mmap()) comes in during that
nesting.

Original "just move the locking" patch by Nick, replaced by one by me
based on an optimistic pagefault_disable().  And then Jens tested and
updated that patch.

Reported-by: Nick Piggin <npiggin@suse.de>
Tested-by: Jens Axboe <jens.axboe@oracle.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-10-01 13:17:28 -07:00
..
9p
9p: remove deprecated v9fs_fid_lookup_remove()
2007-08-23 10:13:45 -05:00
adfs
mm: Remove slab destructors from kmem_cache_create().
2007-07-20 10:11:58 +09:00
affs
mm: Remove slab destructors from kmem_cache_create().
2007-07-20 10:11:58 +09:00
afs
afs: mntput called before dput
2007-09-11 17:21:19 -07:00
autofs
…
autofs4
autofs4: deadlock during create
2007-08-22 19:52:46 -07:00
befs
mm: Remove slab destructors from kmem_cache_create().
2007-07-20 10:11:58 +09:00
bfs
mm: Remove slab destructors from kmem_cache_create().
2007-07-20 10:11:58 +09:00
cifs
[CIFS] Check return code on failed alloc
2007-08-18 00:15:20 +00:00
coda
coda: remove CODA_STORE/CODA_RELEASE upcalls
2007-07-21 17:49:14 -07:00
configfs
mm: Remove slab destructors from kmem_cache_create().
2007-07-20 10:11:58 +09:00
cramfs
…
debugfs
debugfs: remove rmdir() non-empty complaint
2007-07-18 15:49:48 -07:00
devpts
…
dlm
[DLM] fix basts for granted PR waiting CW
2007-08-14 10:31:02 +01:00
ecryptfs
eCryptfs: fix possible fault in ecryptfs_sync_page
2007-08-31 01:42:23 -07:00
efs
mm: Remove slab destructors from kmem_cache_create().
2007-07-20 10:11:58 +09:00
exportfs
…
ext2
fix inode_table test in ext234_check_descriptors
2007-07-26 11:35:17 -07:00
ext3
ext34: ensure do_split leaves enough free space in both blocks
2007-09-19 11:24:18 -07:00
ext4
ext34: ensure do_split leaves enough free space in both blocks
2007-09-19 11:24:18 -07:00
fat
mm: Remove slab destructors from kmem_cache_create().
2007-07-20 10:11:58 +09:00
freevxfs
mm: Remove slab destructors from kmem_cache_create().
2007-07-20 10:11:58 +09:00
fuse
mm: Remove slab destructors from kmem_cache_create().
2007-07-20 10:11:58 +09:00
gfs2
[GFS2] Revert remounting w/o acl option leaves acls enabled
2007-08-14 10:34:40 +01:00
hfs
mm: Remove slab destructors from kmem_cache_create().
2007-07-20 10:11:58 +09:00
hfsplus
mm: Remove slab destructors from kmem_cache_create().
2007-07-20 10:11:58 +09:00
hostfs
…
hpfs
mm: Remove slab destructors from kmem_cache_create().
2007-07-20 10:11:58 +09:00
hppfs
…
hugetlbfs
hugepage: fix broken check for offset alignment in hugepage mappings
2007-08-31 01:42:23 -07:00
isofs
isofs: mounting to regular file may succeed
2007-07-31 15:39:41 -07:00
jbd
mm: Remove slab destructors from kmem_cache_create().
2007-07-20 10:11:58 +09:00
jbd2
mm: Remove slab destructors from kmem_cache_create().
2007-07-20 10:11:58 +09:00
jffs2
[JFFS2] fix write deadlock regression
2007-09-02 18:18:38 +01:00
jfs
mm: Remove slab destructors from kmem_cache_create().
2007-07-20 10:11:58 +09:00
lockd
NLM: Fix a circular lock dependency in lockd
2007-09-26 09:22:04 -07:00
minix
mm: Remove slab destructors from kmem_cache_create().
2007-07-20 10:11:58 +09:00
msdos
…
ncpfs
NCP: delete test of long-deceased CONFIG_NCPFS_DEBUGDENTRY
2007-07-31 15:39:41 -07:00
nfs
NFS: Fix an Oops in encode_lookup()
2007-09-28 15:36:42 -07:00
nfs_common
…
nfsd
knfsd: Validate filehandle type in fsid_source
2007-09-10 18:57:47 -07:00
nls
…
ntfs
mm: Remove slab destructors from kmem_cache_create().
2007-07-20 10:11:58 +09:00
ocfs2
ocfs2: Pack vote message and response structures
2007-09-20 15:06:10 -07:00
openpromfs
mm: Remove slab destructors from kmem_cache_create().
2007-07-20 10:11:58 +09:00
partitions
[PARTITION]: Sun/Solaris VTOC table corrections
2007-07-30 00:27:31 -07:00
proc
Fix select on /proc files without ->poll
2007-09-11 17:21:20 -07:00
qnx4
mm: Remove slab destructors from kmem_cache_create().
2007-07-20 10:11:58 +09:00
ramfs
NOMMU: Fix SYSV IPC SHM
2007-07-31 15:39:36 -07:00
reiserfs
quota: fix infinite loop
2007-09-11 17:21:19 -07:00
romfs
mm: Remove slab destructors from kmem_cache_create().
2007-07-20 10:11:58 +09:00
smbfs
mm: Remove slab destructors from kmem_cache_create().
2007-07-20 10:11:58 +09:00
sysfs
sysfs: don't warn on removal of a nonexistent binary file
2007-08-22 14:35:36 -07:00
sysv
mm: Remove slab destructors from kmem_cache_create().
2007-07-20 10:11:58 +09:00
udf
Fix possible NULL pointer dereference in udf_table_free_blocks()
2007-08-31 01:42:22 -07:00
ufs
ufs: fix sun state
2007-09-25 08:51:04 -07:00
vfat
…
xfs
Revert "[XFS] Avoid replaying inode buffer initialisation log items if on-disk version is newer."
2007-10-01 07:59:03 -07:00
aio.c
…
anon_inodes.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm
2007-07-17 11:50:26 -07:00
attr.c
Introduce is_owner_or_cap() to wrap CAP_FOWNER use with fsuid check
2007-07-17 12:00:03 -07:00
bad_inode.c
…
binfmt_aout.c
…
binfmt_elf_fdpic.c
coredump masking: ELF-FDPIC: enable core dump filtering
2007-07-19 10:04:47 -07:00
binfmt_elf.c
revert "PIE randomization"
2007-07-21 17:49:14 -07:00
binfmt_em86.c
…
binfmt_flat.c
…
binfmt_misc.c
mm: variable length argument support
2007-07-19 10:04:45 -07:00
binfmt_script.c
mm: variable length argument support
2007-07-19 10:04:45 -07:00
binfmt_som.c
…
bio.c
[BLOCK] Get rid of request_queue_t typedef
2007-07-24 09:28:11 +02:00
block_dev.c
mm: Remove slab destructors from kmem_cache_create().
2007-07-20 10:11:58 +09:00
buffer.c
fix some conversion overflows
2007-07-20 08:44:19 -07:00
char_dev.c
unregister_chrdev() return void
2007-07-19 10:04:43 -07:00
compat_ioctl.c
[PATCH] WE : Add missing auth compat-ioctl
2007-09-21 11:26:33 -04:00
compat.c
mm: variable length argument support
2007-07-19 10:04:45 -07:00
dcache.c
mm: Remove slab destructors from kmem_cache_create().
2007-07-20 10:11:58 +09:00
dcookies.c
Remove fs.h from mm.h
2007-07-29 17:09:29 -07:00
direct-io.c
dio: zero struct dio with kzalloc instead of manually
2007-08-20 22:50:25 -07:00
dnotify.c
mm: Remove slab destructors from kmem_cache_create().
2007-07-20 10:11:58 +09:00
dquot.c
mm: Remove slab destructors from kmem_cache_create().
2007-07-20 10:11:58 +09:00
drop_caches.c
…
eventfd.c
…
eventpoll.c
mm: Remove slab destructors from kmem_cache_create().
2007-07-20 10:11:58 +09:00
exec.c
signalfd simplification
2007-09-20 13:19:59 -07:00
fcntl.c
mm: Remove slab destructors from kmem_cache_create().
2007-07-20 10:11:58 +09:00
fifo.c
…
file_table.c
…
file.c
…
filesystems.c
…
fs-writeback.c
…
generic_acl.c
Introduce is_owner_or_cap() to wrap CAP_FOWNER use with fsuid check
2007-07-17 12:00:03 -07:00
inode.c
mm: Remove slab destructors from kmem_cache_create().
2007-07-20 10:11:58 +09:00
inotify_user.c
mm: Remove slab destructors from kmem_cache_create().
2007-07-20 10:11:58 +09:00
inotify.c
…
internal.h
…
ioctl.c
…
ioprio.c
…
Kconfig
ocfs2: update docs for new features
2007-09-11 11:38:25 -07:00
Kconfig.binfmt
…
libfs.c
…
locks.c
Leases can be hidden by flocks
2007-09-11 17:21:27 -07:00
Makefile
…
mbcache.c
mm: Remove slab destructors from kmem_cache_create().
2007-07-20 10:11:58 +09:00
mpage.c
…
namei.c
fs: remove path_walk export
2007-07-19 10:04:45 -07:00
namespace.c
mm: Remove slab destructors from kmem_cache_create().
2007-07-20 10:11:58 +09:00
nfsctl.c
nfsctl: use vfs_path_lookup
2007-07-19 10:04:45 -07:00
no-block.c
…
open.c
VFS: fix a race in lease-breaking during truncate
2007-07-31 15:39:42 -07:00
pipe.c
docbook: add pipes, other fixes
2007-07-27 08:08:51 +02:00
pnode.c
…
pnode.h
…
posix_acl.c
…
quota_v1.c
…
quota_v2.c
…
quota.c
[IA64] Fix build failure in fs/quota.c
2007-07-27 15:40:13 -07:00
read_write.c
…
read_write.h
…
readdir.c
…
select.c
Fix select on /proc files without ->poll
2007-09-11 17:21:20 -07:00
seq_file.c
…
signalfd.c
signalfd simplification
2007-09-20 13:19:59 -07:00
splice.c
Fix possible splice() mmap_sem deadlock
2007-10-01 13:17:28 -07:00
stack.c
…
stat.c
…
super.c
…
sync.c
…
timerfd.c
make timerfd return a u64 and fix the __put_user
2007-07-26 11:35:17 -07:00
utimes.c
Introduce is_owner_or_cap() to wrap CAP_FOWNER use with fsuid check
2007-07-17 12:00:03 -07:00
xattr_acl.c
…
xattr.c
Introduce is_owner_or_cap() to wrap CAP_FOWNER use with fsuid check
2007-07-17 12:00:03 -07:00