linux-stable.git/net/core/dev_addr_lists.c, branch v3.2

net: Fix corruption in /proc/*/net/dev_mcast

2011-11-28T23:07:29+00:00

I just hit this during my testing. Isn't there another bug lurking?

BUG kmalloc-8: Redzone overwritten

INFO: 0xc0000000de9dec48-0xc0000000de9dec4b. First byte 0x0 instead of 0xcc
INFO: Allocated in .__seq_open_private+0x30/0xa0 age=0 cpu=5 pid=3896
	.__kmalloc+0x1e0/0x2d0
	.__seq_open_private+0x30/0xa0
	.seq_open_net+0x60/0xe0
	.dev_mc_seq_open+0x4c/0x70
	.proc_reg_open+0xd8/0x260
	.__dentry_open.clone.11+0x2b8/0x400
	.do_last+0xf4/0x950
	.path_openat+0xf8/0x480
	.do_filp_open+0x48/0xc0
	.do_sys_open+0x140/0x250
	syscall_exit+0x0/0x40

dev_mc_seq_ops uses dev_seq_start/next/stop but only allocates
sizeof(struct seq_net_private) of private data, whereas it expects
sizeof(struct dev_iter_state):

struct dev_iter_state {
	struct seq_net_private p;
	unsigned int pos; /* bucket << BUCKET_SPACE + offset */
};

Create dev_seq_open_ops and use it so we don't have to expose
struct dev_iter_state.

[ Problem added by commit f04565ddf52e4 (dev: use name hash for
  dev_seq_ops) -Eric ]

Signed-off-by: Anton Blanchard 
Acked-by: Eric Dumazet 
Signed-off-by: David S. Miller

net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules

2011-10-31T23:30:30+00:00

These files are non modular, but need to export symbols using
the macros now living in export.h -- call out the include so
that things won't break when we remove the implicit presence
of module.h from everywhere.

Signed-off-by: Paul Gortmaker

net: remove ndo_set_multicast_list callback

2011-08-18T03:22:03+00:00

Remove no longer used operation.

Signed-off-by: Jiri Pirko 
Signed-off-by: David S. Miller

net,rcu: convert call_rcu(ha_rcu_free) to kfree_rcu()

2011-05-08T05:50:52+00:00

The rcu callback ha_rcu_free() just calls a kfree(),
so we use kfree_rcu() instead of the call_rcu(ha_rcu_free).

Signed-off-by: Lai Jiangshan 
Acked-by: David S. Miller 
Signed-off-by: Paul E. McKenney 
Reviewed-by: Josh Triplett

Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial

2011-03-18T17:37:40+00:00

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (47 commits)
  doc: CONFIG_UNEVICTABLE_LRU doesn't exist anymore
  Update cpuset info & webiste for cgroups
  dcdbas: force SMI to happen when expected
  arch/arm/Kconfig: remove one to many l's in the word.
  asm-generic/user.h: Fix spelling in comment
  drm: fix printk typo 'sracth'
  Remove one to many n's in a word
  Documentation/filesystems/romfs.txt: fixing link to genromfs
  drivers:scsi Change printk typo initate -> initiate
  serial, pch uart: Remove duplicate inclusion of linux/pci.h header
  fs/eventpoll.c: fix spelling
  mm: Fix out-of-date comments which refers non-existent functions
  drm: Fix printk typo 'failled'
  coh901318.c: Change initate to initiate.
  mbox-db5500.c Change initate to initiate.
  edac: correct i82975x error-info reported
  edac: correct i82975x mci initialisation
  edac: correct commented info
  fs: update comments to point correct document
  target: remove duplicate include of target/target_core_device.h from drivers/target/target_core_hba.c
  ...

Trivial conflict in fs/eventpoll.c (spelling vs addition)

net: handle addr_type of 0 properly

2011-02-25T21:58:54+00:00

addr_type of 0 means that the type should be adopted from from_dev and
not from __hw_addr_del_multiple(). Unfortunately it isn't so and
addr_type will always be considered. Fix this by implementing the
considered and documented behavior.

Signed-off-by: Hagen Paul Pfeifer 
Signed-off-by: David S. Miller

kbuild, mtd, net: a few comment typo fixes and rewording

2011-02-17T15:30:10+00:00

Signed-off-by: Gilles Espinasse 
Signed-off-by: Jiri Kosina

net: include linux/proc_fs.h in dev_addr_lists.c

2010-04-07T23:46:36+00:00

As pointed by Randy Dunlap, we must include linux/proc_fs.h in
net/core/dev_addr_lists.c, regardless of CONFIG_PROC_FS

Reported-by: Randy Dunlap , 
Signed-off-by: Eric Dumazet 
Acked-by: Randy Dunlap 
Signed-off-by: David S. Miller

net: convert multicast list to list_head

2010-04-03T21:22:15+00:00

Converts the list and the core manipulating with it to be the same as uc_list.

+uses two functions for adding/removing mc address (normal and "global"
 variant) instead of a function parameter.
+removes dev_mcast.c completely.
+exposes netdev_hw_addr_list_* macros along with __hw_addr_* functions for
 manipulation with lists on a sandbox (used in bonding and 80211 drivers)

Signed-off-by: Jiri Pirko 
Signed-off-by: David S. Miller

net: move address list functions to a separate file

2010-04-03T21:22:11+00:00

+little renaming of unicast functions to be smooth with multicast ones

Signed-off-by: Jiri Pirko 
Signed-off-by: David S. Miller