Alexey Dobriyan 7695650a92 Fix race between proc_get_inode() and remove_proc_entry() ...

proc_lookup				remove_proc_entry
===========				=================

lock_kernel();
spin_lock(&proc_subdir_lock);
[find PDE with refcount 0]
spin_unlock(&proc_subdir_lock);
					spin_lock(&proc_subdir_lock);
					[find PDE with refcount 0]
					[check refcount and free PDE]
					spin_unlock(&proc_subdir_lock);
proc_get_inode:
	de_get(de); /* boom */

Signed-off-by: Alexey Dobriyan <adobriyan@openvz.org>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Oleg Nesterov <oleg@tv-sign.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

2007-05-08 11:15:01 -07:00

..

acpi

remove "struct subsystem" as it is no longer needed

2007-05-02 18:57:59 -07:00

asm-alpha

ALPHA: "prctl" macros

2007-05-07 12:12:58 -07:00

asm-arm

Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm

2007-05-06 13:20:10 -07:00

asm-arm26

…

asm-avr32

Merge branch 'for-linus' of git://one.firstfloor.org/home/andi/git/linux-2.6

2007-05-05 14:55:20 -07:00

asm-blackfin

blackfin architecture

2007-05-07 12:12:58 -07:00

asm-cris

…

asm-frv

kconfig: centralize the selection of semaphore debugging in lib/Kconfig.debug

2007-05-08 11:15:00 -07:00

asm-generic

…

asm-h8300

h8300 generic irq

2007-05-07 12:12:58 -07:00

asm-i386

ipmi: add new IPMI nmi watchdog handling

2007-05-08 11:14:58 -07:00

asm-ia64

Merge git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6

2007-05-07 12:34:57 -07:00

asm-m32r

Merge branch 'for-linus' of git://one.firstfloor.org/home/andi/git/linux-2.6

2007-05-05 14:55:20 -07:00

asm-m68k

Merge branch 'for-linus' of git://one.firstfloor.org/home/andi/git/linux-2.6

2007-05-05 14:55:20 -07:00

asm-m68knommu

Merge branch 'for-linus' of git://one.firstfloor.org/home/andi/git/linux-2.6

2007-05-05 14:55:20 -07:00

asm-mips

Merge branch 'for-linus' of git://one.firstfloor.org/home/andi/git/linux-2.6

2007-05-05 14:55:20 -07:00

asm-parisc

Merge branch 'for-linus' of git://one.firstfloor.org/home/andi/git/linux-2.6

2007-05-05 14:55:20 -07:00

asm-powerpc

Merge branch 'for-linus' of git://one.firstfloor.org/home/andi/git/linux-2.6

2007-05-05 14:55:20 -07:00

asm-ppc

…

asm-s390

Introduce CONFIG_HAS_DMA

2007-05-07 12:12:51 -07:00

asm-sh

sh: R7785RP board updates.

2007-05-07 02:11:57 +00:00

asm-sh64

Merge branch 'for-linus' of git://one.firstfloor.org/home/andi/git/linux-2.6

2007-05-05 14:55:20 -07:00

asm-sparc

…

asm-sparc64

Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6

2007-05-07 12:22:48 -07:00

asm-um

uml: more page fault path trimming

2007-05-07 12:13:04 -07:00

asm-v850

Merge branch 'for-linus' of git://one.firstfloor.org/home/andi/git/linux-2.6

2007-05-05 14:55:20 -07:00

asm-x86_64

ipmi: add new IPMI nmi watchdog handling

2007-05-08 11:14:58 -07:00

asm-xtensa

Merge branch 'for-linus' of git://one.firstfloor.org/home/andi/git/linux-2.6

2007-05-05 14:55:20 -07:00

crypto

…

keys

…

linux

Fix race between proc_get_inode() and remove_proc_entry()

2007-05-08 11:15:01 -07:00

math-emu

…

media

…

mtd

…

net

[MAC80211]: Add mac80211 wireless stack.

2007-05-05 11:45:53 -07:00

pcmcia

add new_id to PCMCIA drivers

2007-05-07 12:12:50 -07:00

rdma

Merge branch 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband

2007-05-07 12:18:21 -07:00

rxrpc

…

scsi

…

sound

…

video

…

Kbuild

…