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Oleg Nesterov 923bed030f coredump: kill cn_escape(), introduce cn_esc_printf() 
The usage of cn_escape() looks really annoying, imho this sequence needs a
wrapper.  And it is buggy.  If cn_printf() does expand_corename()
cn_escape() writes to the freed memory.

Introduce cn_esc_printf() which hopefully does this all right.  It records
the index before cn_vprintf(), not "char *" which is no longer valid (in
general) after krealloc().

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Colin Walters <walters@verbum.org>
Cc: Denys Vlasenko <vda.linux@googlemail.com>
Cc: Jiri Slaby <jslaby@suse.cz>
Cc: Lennart Poettering <mzxreary@0pointer.de>
Cc: Lucas De Marchi <lucas.de.marchi@gmail.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-07-03 16:08:02 -07:00
..
9p
Lots of bug fixes, cleanups and optimizations. In the bug fixes
2013-07-02 09:39:34 -07:00
adfs
Don't pass inode to ->d_hash() and ->d_compare()
2013-06-29 12:57:36 +04:00
affs
Don't pass inode to ->d_hash() and ->d_compare()
2013-06-29 12:57:36 +04:00
afs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2013-07-03 09:10:19 -07:00
autofs4
[readdir] switch dcache_readdir() users to ->iterate()
2013-06-29 12:46:48 +04:00
befs
[readdir] convert befs
2013-06-29 12:56:55 +04:00
bfs
[readdir] convert bfs
2013-06-29 12:56:33 +04:00
btrfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2013-07-03 09:10:19 -07:00
cachefiles
mm: remove lru parameter from __pagevec_lru_add and remove parts of pagevec API
2013-07-03 16:07:31 -07:00
ceph
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2013-07-03 09:10:19 -07:00
cifs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2013-07-03 09:10:19 -07:00
coda
coda: don't bother with find_inode_number()
2013-06-29 12:57:20 +04:00
configfs
configfs: use capped length for ->store_attribute()
2013-07-03 16:07:23 -07:00
cramfs
[readdir] convert f2fs
2013-06-29 12:56:46 +04:00
debugfs
debugfs: write_file_bool() - ensure strtobool() operates on valid data
2013-06-03 13:55:02 -07:00
devpts
fs: Limit sys_mount to only request filesystem modules (Part 2).
2013-03-07 01:08:55 -08:00
dlm
dlm: Avoid LVB truncation
2013-06-26 11:38:02 -05:00
ecryptfs
ecryptfs: switch ecryptfs_decode_and_decrypt_filename() from dentry to sb
2013-06-29 12:57:25 +04:00
efivarfs
Don't pass inode to ->d_hash() and ->d_compare()
2013-06-29 12:57:36 +04:00
efs
[readdir] convert efs
2013-06-29 12:56:31 +04:00
exofs
Lots of bug fixes, cleanups and optimizations. In the bug fixes
2013-07-02 09:39:34 -07:00
exportfs
[readdir] constify ->actor
2013-06-29 12:57:05 +04:00
ext2
[O_TMPFILE] it's still short a few helpers, but infrastructure should be OK now...
2013-06-29 12:57:10 +04:00
ext3
mm: vmscan: take page buffers dirty and locked state into account
2013-07-03 16:07:29 -07:00
ext4
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2013-07-03 09:10:19 -07:00
f2fs
This patch-set includes the following major enhancement patches.
2013-07-02 09:42:38 -07:00
fat
fs/fat: use fat_msg() to replace printk() in __fat_fs_error()
2013-07-03 16:08:01 -07:00
freevxfs
[readdir] convert freevxfs
2013-06-29 12:56:53 +04:00
fscache
FS-Cache: Don't use spin_is_locked() in assertions
2013-06-19 14:16:47 +01:00
fuse
mm: use totalram_pages instead of num_physpages at runtime
2013-07-03 16:07:35 -07:00
gfs2
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2013-07-03 09:10:19 -07:00
hfs
Don't pass inode to ->d_hash() and ->d_compare()
2013-06-29 12:57:36 +04:00
hfsplus
Don't pass inode to ->d_hash() and ->d_compare()
2013-06-29 12:57:36 +04:00
hostfs
[readdir] convert hostfs
2013-06-29 12:56:59 +04:00
hpfs
Don't pass inode to ->d_hash() and ->d_compare()
2013-06-29 12:57:36 +04:00
hppfs
clean up scary strncpy(dst, src, strlen(src)) uses
2013-07-03 16:07:41 -07:00
hugetlbfs
hugetlbfs: fix mmap failure in unaligned size request
2013-05-07 18:38:27 -07:00
isofs
Don't pass inode to ->d_hash() and ->d_compare()
2013-06-29 12:57:36 +04:00
jbd
jbd: change journal_invalidatepage() to accept length
2013-05-21 23:26:36 -04:00
jbd2
jbd2: invalidate handle if jbd2_journal_restart() fails
2013-07-01 08:12:41 -04:00
jffs2
[readdir] convert jffs2
2013-06-29 12:56:47 +04:00
jfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2013-07-03 09:10:19 -07:00
lockd
drivers: avoid parsing names as kthread_run() format strings
2013-07-03 16:07:41 -07:00
logfs
Lots of bug fixes, cleanups and optimizations. In the bug fixes
2013-07-02 09:39:34 -07:00
minix
minix: bug widening a binary "not" operation
2013-06-29 12:57:35 +04:00
ncpfs
ncpfs: use vma_pages() to replace (vm_end - vm_start) >> PAGE_SHIFT
2013-07-03 16:07:26 -07:00
nfs
drivers: avoid parsing names as kthread_run() format strings
2013-07-03 16:07:41 -07:00
nfs_common
nfs_common: Update the translation between nfsv3 acls linux posix acls
2013-02-13 06:15:14 -08:00
nfsd
locks: protect most of the file_lock handling with i_lock
2013-06-29 12:57:42 +04:00
nilfs2
] nilfs2: use atomic64_t type for inodes_count and blocks_count fields in nilfs_root struct
2013-07-03 16:08:01 -07:00
nls
…
notify
fanotify: quit wanking with FASYNC in ->release()
2013-06-29 12:57:23 +04:00
ntfs
Lots of bug fixes, cleanups and optimizations. In the bug fixes
2013-07-02 09:39:34 -07:00
ocfs2
ocfs2: fix NULL pointer dereference when traversing o2hb_all_regions
2013-07-03 16:07:25 -07:00
omfs
[readdir] convert omfs
2013-06-29 12:56:37 +04:00
openpromfs
[readdir] convert openpromfs
2013-06-29 12:56:32 +04:00
proc
vmcore: support mmap() on /proc/vmcore
2013-07-03 16:07:30 -07:00
pstore
Couple of pstore cleanups
2013-05-09 16:42:10 -07:00
qnx4
[readdir] convert qnx4
2013-06-29 12:56:38 +04:00
qnx6
[readdir] convert qnx6
2013-06-29 12:56:39 +04:00
quota
quota: add missing use of dq_data_lock in __dquot_initialize
2013-03-11 22:05:56 +01:00
ramfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2013-02-26 20:16:07 -08:00
reiserfs
Lots of bug fixes, cleanups and optimizations. In the bug fixes
2013-07-02 09:39:34 -07:00
romfs
[readdir] convert romfs
2013-06-29 12:56:29 +04:00
squashfs
[readdir] convert squashfs
2013-06-29 12:56:28 +04:00
sysfs
Driver core patches for 3.11-rc1
2013-07-02 11:44:19 -07:00
sysv
Don't pass inode to ->d_hash() and ->d_compare()
2013-06-29 12:57:36 +04:00
ubifs
Lots of bug fixes, cleanups and optimizations. In the bug fixes
2013-07-02 09:39:34 -07:00
udf
udf: provide ->tmpfile()
2013-06-29 12:57:12 +04:00
ufs
[readdir] simple local unixlike: switch to ->iterate()
2013-06-29 12:46:47 +04:00
xfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2013-07-03 09:10:19 -07:00
aio.c
constify rw_verify_area()
2013-06-29 12:57:34 +04:00
anon_inodes.c
get_empty_filp()/alloc_file() leave both ->f_pos and ->f_version zero
2013-02-26 02:46:11 -05:00
attr.c
…
bad_inode.c
[readdir] ->readdir() is gone
2013-06-29 12:57:04 +04:00
binfmt_aout.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2013-05-01 17:51:54 -07:00
binfmt_elf_fdpic.c
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
2013-05-02 10:16:16 -07:00
binfmt_elf.c
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
2013-05-02 10:16:16 -07:00
binfmt_em86.c
exec: use -ELOOP for max recursion depth
2012-12-17 17:15:23 -08:00
binfmt_flat.c
new helper: read_code()
2013-04-29 15:40:23 -04:00
binfmt_misc.c
binfmt_misc: reuse string_unescape_inplace()
2013-04-30 17:04:03 -07:00
binfmt_script.c
exec: do not leave bprm->interp on stack
2012-12-20 17:40:19 -08:00
binfmt_som.c
…
bio-integrity.c
bio-integrity: Add explicit field for owner of bip_buf
2013-03-23 14:26:34 -07:00
bio.c
Merge branch 'for-3.10/core' of git://git.kernel.dk/linux-block
2013-05-08 10:13:35 -07:00
block_dev.c
mm: vmscan: take page buffers dirty and locked state into account
2013-07-03 16:07:29 -07:00
buffer.c
mm: vmscan: take page buffers dirty and locked state into account
2013-07-03 16:07:29 -07:00
char_dev.c
…
compat_binfmt_elf.c
…
compat_ioctl.c
compat.c: LOOP_CLR_FD is taken care of in loop.c itself...
2013-06-29 12:46:44 +04:00
compat.c
[readdir] constify ->actor
2013-06-29 12:57:05 +04:00
coredump.c
coredump: kill cn_escape(), introduce cn_esc_printf()
2013-07-03 16:08:02 -07:00
coredump.h
…
dcache.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2013-07-03 09:10:19 -07:00
dcookies.c
consolidate compat lookup_dcookie()
2013-03-03 23:00:23 -05:00
direct-io.c
Merge branch 'for-3.10/core' of git://git.kernel.dk/linux-block
2013-05-08 10:13:35 -07:00
drop_caches.c
…
eventfd.c
fs, eventfd: add procfs fdinfo helper
2012-12-17 17:15:27 -08:00
eventpoll.c
signals: eventpoll: do not use sigprocmask()
2013-07-03 16:08:01 -07:00
exec.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2013-07-03 09:10:19 -07:00
fcntl.c
new helper: file_inode(file)
2013-02-22 23:31:31 -05:00
fhandle.c
Merge branch 'for-3.8' of git://linux-nfs.org/~bfields/linux
2012-12-20 14:04:11 -08:00
file_table.c
Replace a bunch of file->dentry->d_inode refs with file_inode()
2013-06-29 12:57:13 +04:00
file.c
don't bother with deferred freeing of fdtables
2013-05-01 17:31:42 -04:00
filesystems.c
fs: Limit sys_mount to only request filesystem modules.
2013-03-03 19:36:31 -08:00
fs_struct.c
constify path_get/path_put and fs_struct.c stuff
2013-03-01 23:51:07 -05:00
fs-writeback.c
sync: don't block the flusher thread waiting on IO
2013-07-02 09:16:42 -07:00
generic_acl.c
…
inode.c
allow the temp files created by open() to be linked to
2013-06-29 12:57:11 +04:00
internal.h
constify rw_verify_area()
2013-06-29 12:57:34 +04:00
ioctl.c
new helper: file_inode(file)
2013-02-22 23:31:31 -05:00
ioprio.c
…
Kconfig
efivarfs: Move to fs/efivarfs
2013-04-17 13:25:09 +01:00
Kconfig.binfmt
fs: make binfmt support for #! scripts modular and removable
2013-04-30 17:04:04 -07:00
libfs.c
[readdir] switch dcache_readdir() users to ->iterate()
2013-06-29 12:46:48 +04:00
locks.c
locks: give the blocked_hash its own spinlock
2013-06-29 12:57:46 +04:00
Makefile
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2013-05-01 17:51:54 -07:00
mbcache.c
…
mount.h
get rid of full-hash scan on detaching vfsmounts
2013-04-09 14:12:52 -04:00
mpage.c
…
namei.c
Don't pass inode to ->d_hash() and ->d_compare()
2013-06-29 12:57:36 +04:00
namespace.c
create_mnt_ns: unidiomatic use of list_add()
2013-05-04 15:18:53 -04:00
no-block.c
…
open.c
[O_TMPFILE] it's still short a few helpers, but infrastructure should be OK now...
2013-06-29 12:57:10 +04:00
pipe.c
aio: don't include aio.h in sched.h
2013-05-07 20:16:25 -07:00
pnode.c
vfs: Fix invalid ida_remove() call
2013-05-31 15:16:33 -04:00
pnode.h
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2013-05-01 17:51:54 -07:00
posix_acl.c
…
proc_namespace.c
…
read_write.c
vfs: export lseek_execute() to modules
2013-07-03 16:23:27 +04:00
readdir.c
[readdir] constify ->actor
2013-06-29 12:57:05 +04:00
select.c
sched/rt: Move rt specific bits into new header file
2013-02-07 20:51:08 +01:00
seq_file.c
new helper: single_open_size()
2013-04-09 14:13:29 -04:00
signalfd.c
switch signalfd{,4}() to COMPAT_SYSCALL_DEFINE
2013-03-03 22:58:46 -05:00
splice.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2013-07-03 09:10:19 -07:00
stack.c
…
stat.c
switch vfs_getattr() to struct path
2013-02-26 02:46:08 -05:00
statfs.c
vfs: fix user_statfs to retry once on ESTALE errors
2012-12-20 18:50:07 -05:00
super.c
hlist: drop the node parameter from iterators
2013-02-27 19:10:24 -08:00
sync.c
teach SYSCALL_DEFINE<n> how to deal with long long/unsigned long long
2013-03-03 22:46:22 -05:00
timerfd.c
compat: restore timerfd settime and gettime compat syscalls
2013-03-02 09:35:13 -05:00
utimes.c
vfs: allow utimensat() calls to retry once on an ESTALE error
2012-12-20 18:50:08 -05:00
xattr_acl.c
…
xattr.c
vfs: make lremovexattr retry once on ESTALE error
2012-12-20 18:50:11 -05:00