FEX-Emu/linux
1
0
Fork 0
mirror of https://github.com/FEX-Emu/linux.git synced 2025-01-12 20:31:49 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity
linux/fs/ocfs2
History
Jeff Liu d6394b5900 ocfs2: fix null pointer dereference in ocfs2_dir_foreach_blk_id() 
Fix a NULL pointer deference while removing an empty directory, which
was introduced by commit 3704412bdbf3 ("[readdir] convert ocfs2").

  BUG: unable to handle kernel NULL pointer dereference at (null)
  IP: [<(null)>]           (null)
  PGD 6da85067 PUD 6da89067 PMD 0
  Oops: 0010 [#1] SMP
  CPU: 0 PID: 6564 Comm: rmdir Tainted: G           O 3.11.0-rc1 #4
  RIP: 0010:[<0000000000000000>]  [<          (null)>]           (null)
  Call Trace:
    ocfs2_dir_foreach+0x49/0x50 [ocfs2]
    ocfs2_empty_dir+0x12c/0x3e0 [ocfs2]
    ocfs2_unlink+0x56e/0xc10 [ocfs2]
    vfs_rmdir+0xd5/0x140
    do_rmdir+0x1cb/0x1e0
    SyS_rmdir+0x16/0x20
    system_call_fastpath+0x16/0x1b
  Code:  Bad RIP value.
  RIP  [<          (null)>]           (null)
  RSP <ffff88006daddc10>
  CR2: 0000000000000000

[dan.carpenter@oracle.com: fix pointer math]
Signed-off-by: Jie Liu <jeff.liu@oracle.com>
Reported-by: David Weber <wb@munzinger.de>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Mark Fasheh <mfasheh@suse.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-08-13 17:57:49 -07:00
..
cluster
ocfs2: fix NULL pointer dereference when traversing o2hb_all_regions
2013-07-03 16:07:25 -07:00
dlm
ocfs2: dlmlock_master() should return DLM_NORMAL after adding lock to blocked list
2013-07-03 16:07:24 -07:00
dlmfs
fs: Limit sys_mount to only request filesystem modules.
2013-03-03 19:36:31 -08:00
acl.c
ocfs2: Handle kuids and kgids in acl/xattr conversions.
2013-02-13 06:00:56 -08:00
acl.h
fs: take the ACL checks to common code
2011-07-25 14:30:23 -04:00
alloc.c
ocfs2: fix mutex_unlock and possible memory leak in ocfs2_remove_btree_range
2013-07-03 16:07:23 -07:00
alloc.h
ocfs2: Add ocfs2_trim_fs for SSD trim support.
2011-05-23 23:37:18 -07:00
aops.c
ocfs2: fix NULL pointer dereference in ocfs2_duplicate_clusters_by_page
2013-08-13 17:57:49 -07:00
aops.h
aio: don't include aio.h in sched.h
2013-05-07 20:16:25 -07:00
blockcheck.c
ocfs2: kill endianness abuses in blockcheck.c
2012-05-29 23:28:35 -04:00
blockcheck.h
…
buffer_head_io.c
ocfs2: Remove masklog ML_UPTODATE.
2011-02-24 16:22:20 +08:00
buffer_head_io.h
…
dcache.c
hlist: drop the node parameter from iterators
2013-02-27 19:10:24 -08:00
dcache.h
…
dir.c
ocfs2: fix null pointer dereference in ocfs2_dir_foreach_blk_id()
2013-08-13 17:57:49 -07:00
dir.h
[readdir] convert ocfs2
2013-06-29 12:57:02 +04:00
dlmglue.c
aio: remove retry-based AIO
2013-05-07 18:38:27 -07:00
dlmglue.h
…
export.c
fs: encode_fh: return FILEID_INVALID if invalid fid_type
2013-02-26 02:46:10 -05:00
export.h
…
extent_map.c
ocfs2: goto out_unlock if ocfs2_get_clusters_nocache() failed in ocfs2_fiemap()
2013-05-24 16:22:52 -07:00
extent_map.h
ocfs2: Implement llseek()
2011-07-25 14:58:15 -07:00
file.c
ocfs2: fix NULL pointer dereference in ocfs2_duplicate_clusters_by_page
2013-08-13 17:57:49 -07:00
file.h
->permission() sanitizing: don't pass flags to ->permission()
2011-07-20 01:43:24 -04:00
heartbeat.c
ocfs2: Remove mlog(0) from fs/ocfs2/heartbeat.c
2011-02-23 21:17:39 +08:00
heartbeat.h
…
inode.c
ocfs2: Convert uid and gids between in core and on disk inodes
2013-02-13 06:00:58 -08:00
inode.h
aio: don't include aio.h in sched.h
2013-05-07 20:16:25 -07:00
ioctl.c
ocfs2: fix error return code in ocfs2_info_handle_freefrag()
2013-04-29 15:54:27 -07:00
ioctl.h
…
journal.c
[readdir] convert ocfs2
2013-06-29 12:57:02 +04:00
journal.h
ocfs2: Revert 40bd62e to avoid regression in extended allocation
2013-08-13 17:57:49 -07:00
Kconfig
ocfs2: Make OCFS2_FS depend on CONFIGFS_FS
2011-01-16 21:22:40 +00:00
localalloc.c
ocfs2: remove kfree() redundant null checks
2013-02-21 17:22:19 -08:00
localalloc.h
…
locks.c
ocfs2: remove INODE from unused files.
2011-02-21 11:18:23 +08:00
locks.h
…
Makefile
Ocfs2/move_extents: Add basic framework and source files for extent moving.
2011-05-25 15:17:08 +08:00
mmap.c
kill f_vfsmnt
2013-02-26 02:46:10 -05:00
mmap.h
…
move_extents.c
ocfs2: fix NULL pointer dereference in ocfs2_duplicate_clusters_by_page
2013-08-13 17:57:49 -07:00
move_extents.h
Ocfs2/move_extents: move/defrag extents within a certain range.
2011-05-25 15:17:12 +08:00
namei.c
ocfs2: fix readonly issue in ocfs2_unlink()
2013-07-03 16:07:24 -07:00
namei.h
…
ocfs1_fs_compat.h
…
ocfs2_fs.h
Revert wrong fixes for common misspellings
2011-04-26 23:31:11 -07:00
ocfs2_ioctl.h
Ocfs2/move_extents: Adding new ioctl code 'OCFS2_IOC_MOVE_EXT' to ocfs2.
2011-05-25 15:17:08 +08:00
ocfs2_lockid.h
…
ocfs2_lockingver.h
…
ocfs2_trace.h
ocfs2: Add trace event for trim.
2011-05-23 23:37:20 -07:00
ocfs2.h
ocfs2: remove unecessary variable needs_checkpoint
2013-07-03 16:07:23 -07:00
quota_global.c
userns: Convert struct dquot dq_id to be a struct kqid
2012-09-18 01:01:41 -07:00
quota_local.c
userns: Convert struct dquot dq_id to be a struct kqid
2012-09-18 01:01:41 -07:00
quota.h
ocfs2: use system_wq instead of ocfs2_quota_wq
2011-02-01 11:42:42 +01:00
refcounttree.c
ocfs2: fix NULL pointer dereference in ocfs2_duplicate_clusters_by_page
2013-08-13 17:57:49 -07:00
refcounttree.h
ocfs2: fix NULL pointer dereference in ocfs2_duplicate_clusters_by_page
2013-08-13 17:57:49 -07:00
reservations.c
ocfs2: Remove masklog ML_RESERVATIONS.
2011-02-23 22:10:56 +08:00
reservations.h
Fix common misspellings
2011-03-31 11:26:23 -03:00
resize.c
ocfs2: Remove mlog(0) from fs/ocfs2/suballoc.c
2011-02-22 08:24:01 +08:00
resize.h
…
slot_map.c
ocfs2: Clean up messages in the fs
2011-07-24 10:34:54 -07:00
slot_map.h
…
stack_o2cb.c
ocfs2: remove kfree() redundant null checks
2013-02-21 17:22:19 -08:00
stack_user.c
dlm: add recovery callbacks
2012-01-04 08:56:31 -06:00
stackglue.c
…
stackglue.h
Fix common misspellings
2011-03-31 11:26:23 -03:00
suballoc.c
ocfs2: remove duplicated mlog_errno() in ocfs2_relink_block_group
2013-07-03 16:07:24 -07:00
suballoc.h
ocfs2: ac->ac_allow_chain_relink=0 won't disable group relink
2013-02-27 19:10:09 -08:00
super.c
ocfs2: remove unecessary variable needs_checkpoint
2013-07-03 16:07:23 -07:00
super.h
treewide: use __printf not __attribute__((format(printf,...)))
2011-10-31 17:30:54 -07:00
symlink.c
ocfs2: Fix oops in ocfs2_fast_symlink_readpage() code path
2013-02-26 02:46:12 -05:00
symlink.h
ocfs: simplify symlink handling
2012-05-29 23:28:40 -04:00
sysfile.c
ocfs2: remove kfree() redundant null checks
2013-02-21 17:22:19 -08:00
sysfile.h
…
uptodate.c
ocfs2: Remove masklog ML_UPTODATE.
2011-02-24 16:22:20 +08:00
uptodate.h
…
ver.c
…
ver.h
…
xattr.c
ocfs2: xattr: fix inlined xattr reflink
2013-07-03 16:07:24 -07:00
xattr.h
ocfs2: propagate umode_t
2012-01-03 22:55:02 -05:00