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2b75bc9121
linux/fs/dlm
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Sasha Levin 2b75bc9121 dlm: check the maximum size of a request from user 
device_write only checks whether the request size is big enough, but it doesn't
check if the size is too big.

At that point, it also tries to allocate as much memory as the user has requested
even if it's too much. This can lead to OOM killer kicking in, or memory corruption
if (count + 1) overflows.

Signed-off-by: Sasha Levin <levinsasha928@gmail.com>
Signed-off-by: David Teigland <teigland@redhat.com>
2012-09-10 09:50:27 -05:00
..
ast.c dlm: fix uninitialized spinlock 2012-08-08 11:33:43 -05:00
ast.h dlm: use workqueue for callbacks 2011-07-15 12:30:43 -05:00
config.c dlm: fix deadlock between dlm_send and dlm_controld 2012-08-08 11:33:35 -05:00
config.h dlm: fix deadlock between dlm_send and dlm_controld 2012-08-08 11:33:35 -05:00
debug_fs.c dlm: use rsbtbl as resource directory 2012-07-16 14:16:19 -05:00
dir.c dlm: use rsbtbl as resource directory 2012-07-16 14:16:19 -05:00
dir.h dlm: use rsbtbl as resource directory 2012-07-16 14:16:19 -05:00
dlm_internal.h dlm: fix unlock balance warnings 2012-08-08 11:33:49 -05:00
Kconfig dlm: Make DLM depend on CONFIGFS_FS 2011-01-16 21:22:37 +00:00
lock.c dlm: fix missing dir remove 2012-07-16 14:24:43 -05:00
lock.h dlm: use rsbtbl as resource directory 2012-07-16 14:16:19 -05:00
lockspace.c dlm: fix unlock balance warnings 2012-08-08 11:33:49 -05:00
lockspace.h dlm: detect available userspace daemon 2008-08-28 11:49:43 -05:00
lowcomms.c dlm: cleanup send_to_sock routine 2012-08-13 10:03:18 -05:00
lowcomms.h dlm: fix deadlock between dlm_send and dlm_controld 2012-08-08 11:33:35 -05:00
lvb_table.h [DLM] The core of the DLM for GFS2/CLVM 2006-01-18 09:30:29 +00:00
main.c dlm: fix deadlock between dlm_send and dlm_controld 2012-08-08 11:33:35 -05:00
Makefile dlm: move plock code from gfs2 2008-04-21 11:22:28 -05:00
member.c dlm: fix unlock balance warnings 2012-08-08 11:33:49 -05:00
member.h dlm: add recovery callbacks 2012-01-04 08:56:31 -06:00
memory.c dlm: NULL dereference on failure in kmem_cache_create() 2012-05-15 10:39:28 -05:00
memory.h dlm: improve rsb searches 2011-07-12 16:02:09 -05:00
midcomms.c dlm: fix up memory allocation flags 2008-12-23 10:15:40 -06:00
midcomms.h [DLM] The core of the DLM for GFS2/CLVM 2006-01-18 09:30:29 +00:00
netlink.c dlm: use genl_register_family_with_ops() 2010-08-05 14:22:01 -05:00
plock.c locks: rename lock-manager ops 2011-07-20 20:23:19 -04:00
rcom.c dlm: fix unlock balance warnings 2012-08-08 11:33:49 -05:00
rcom.h dlm: use rsbtbl as resource directory 2012-07-16 14:16:19 -05:00
recover.c dlm: fix conversion deadlock from recovery 2012-07-16 14:18:22 -05:00
recover.h dlm: use rsbtbl as resource directory 2012-07-16 14:16:19 -05:00
recoverd.c dlm: fix unlock balance warnings 2012-08-08 11:33:49 -05:00
recoverd.h dlm: fix unlock balance warnings 2012-08-08 11:33:49 -05:00
requestqueue.c dlm: fixes for nodir mode 2012-05-02 14:15:27 -05:00
requestqueue.h dlm: use proper C for dlm/requestqueue stuff (and fix alignment bug) 2008-02-04 01:21:32 -06:00
user.c dlm: check the maximum size of a request from user 2012-09-10 09:50:27 -05:00
user.h dlm: record full callback state 2011-03-10 10:40:00 -06:00
util.c dlm: do not byteswap rcom_config 2008-02-04 01:23:43 -06:00
util.h [DLM] The core of the DLM for GFS2/CLVM 2006-01-18 09:30:29 +00:00