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Vegard Nossum a98b65a3ad net: annotate struct sock bitfield 
2009/2/24 Ingo Molnar <mingo@elte.hu>:
> ok, this is the last warning i have from today's overnight -tip
> testruns - a 32-bit system warning in sock_init_data():
>
> [    2.610389] NET: Registered protocol family 16
> [    2.616138] initcall netlink_proto_init+0x0/0x170 returned 0 after 7812 usecs
> [    2.620010] WARNING: kmemcheck: Caught 32-bit read from uninitialized memory (f642c184)
> [    2.624002] 010000000200000000000000604990c000000000000000000000000000000000
> [    2.634076]  i i i i i i u u i i i i i i i i i i i i i i i i i i i i i i i i
> [    2.641038]          ^
> [    2.643376]
> [    2.644004] Pid: 1, comm: swapper Not tainted (2.6.29-rc6-tip-01751-g4d1c22c-dirty #885)
> [    2.648003] EIP: 0060:[<c07141a1>] EFLAGS: 00010282 CPU: 0
> [    2.652008] EIP is at sock_init_data+0xa1/0x190
> [    2.656003] EAX: 0001a800 EBX: f6836c00 ECX: 00463000 EDX: c0e46fe0
> [    2.660003] ESI: f642c180 EDI: c0b83088 EBP: f6863ed8 ESP: c0c412ec
> [    2.664003]  DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
> [    2.668003] CR0: 8005003b CR2: f682c400 CR3: 00b91000 CR4: 000006f0
> [    2.672003] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
> [    2.676003] DR6: ffff4ff0 DR7: 00000400
> [    2.680002]  [<c07423e5>] __netlink_create+0x35/0xa0
> [    2.684002]  [<c07443cc>] netlink_kernel_create+0x4c/0x140
> [    2.688002]  [<c072755e>] rtnetlink_net_init+0x1e/0x40
> [    2.696002]  [<c071b601>] register_pernet_operations+0x11/0x30
> [    2.700002]  [<c071b72c>] register_pernet_subsys+0x1c/0x30
> [    2.704002]  [<c0bf3c8c>] rtnetlink_init+0x4c/0x100
> [    2.708002]  [<c0bf4669>] netlink_proto_init+0x159/0x170
> [    2.712002]  [<c0101124>] do_one_initcall+0x24/0x150
> [    2.716002]  [<c0bbf3c7>] do_initcalls+0x27/0x40
> [    2.723201]  [<c0bbf3fc>] do_basic_setup+0x1c/0x20
> [    2.728002]  [<c0bbfb8a>] kernel_init+0x5a/0xa0
> [    2.732002]  [<c0103e47>] kernel_thread_helper+0x7/0x10
> [    2.736002]  [<ffffffff>] 0xffffffff

We fix this false positive by annotating the bitfield in struct
sock.

Reported-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Vegard Nossum <vegard.nossum@gmail.com>
 		2009-06-15 15:49:36 +02:00
..
9p net/9p: handle correctly interrupted 9P requests 2009-04-05 16:54:53 -05:00
802 tr: fix leakage of device in net/802/tr.c 2009-04-11 01:43:17 -07:00
8021q vlan: update vlan carrier state for admin up/down 2009-04-25 18:03:35 -07:00
appletalk proc 2/2: remove struct proc_dir_entry::owner 2009-03-31 01:14:44 +04:00
atm Subject: [PATCH] br2684: restore net_dev initialization 2009-05-02 13:49:36 -07:00
ax25 ax25: proc uid file misses header 2009-04-20 02:14:59 -07:00
bluetooth Bluetooth: Remove useless flush_work() causing lockdep warnings 2009-05-27 09:15:57 +02:00
bridge bridge: fix initial packet flood if !STP 2009-05-17 21:12:55 -07:00
can can: Network Drop Monitor: Make use of consume_skb() in af_can.c 2009-04-17 01:38:46 -07:00
core net: annotate struct sock bitfield 2009-06-15 15:49:36 +02:00
dcb DCB: fix kfree(skb) 2009-01-04 17:29:21 -08:00
dccp dccp: Do not let initial option overhead shrink the MPS 2009-03-02 03:07:23 -08:00
decnet net/*: use linux/kernel.h swap() 2009-03-21 13:36:17 -07:00
dsa dsa: add switch chip cascading support 2009-03-21 19:06:54 -07:00
econet net: convert usage of packet_type to read_mostly 2009-03-10 05:22:43 -07:00
ethernet eth: Declare an optimized compare_ether_addr_64bits() function 2008-11-23 23:24:32 -08:00
ipv4 net: annotate inet_timewait_sock bitfields 2009-06-15 15:49:32 +02:00
ipv6 IPv6: set RTPROT_KERNEL to initial route 2009-05-20 17:38:59 -07:00
ipx ipx: use constant for strings and desciptor 2009-03-21 19:06:51 -07:00
irda proc tty: switch ircomm to ->proc_fops 2009-04-01 08:59:10 -07:00
iucv af_iucv: Fix race when queuing incoming iucv messages 2009-04-21 23:43:15 -07:00
key af_key: remove some pointless conditionals before kfree_skb() 2009-02-26 23:07:32 -08:00
lapb [LAPB] net/lapb/lapb_iface.c: use LIST_HEAD instead of LIST_HEAD_INIT 2008-01-28 14:56:52 -08:00
llc proc 2/2: remove struct proc_dir_entry::owner 2009-03-31 01:14:44 +04:00
mac80211 mac80211: avoid NULL ptr deref when finding max_rates in PID and minstrel 2009-05-11 15:07:01 -04:00
netfilter Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/kaber/nf-2.6 2009-05-27 15:51:25 -07:00
netlabel netlabel: Always remove the correct address selector 2009-04-22 00:46:09 -07:00
netlink Merge branch 'master' of /home/davem/src/GIT/linux-2.6/ 2009-03-26 15:23:24 -07:00
netrom net/netrom: Fix socket locking 2009-04-22 00:49:51 -07:00
packet packet: avoid warnings when high-order page allocation fails 2009-04-15 03:39:52 -07:00
phonet trivial: fix typos/grammar errors in Kconfig texts 2009-03-30 15:22:01 +02:00
rds FRV: Fix the section attribute on UP DECLARE_PER_CPU() 2009-04-21 19:39:59 -07:00
rfkill net/rfkill/rfkill.c: fix unused rfkill_led_trigger() warning 2009-01-04 17:11:24 -08:00
rose Revert "rose: zero length frame filtering in af_rose.c" 2009-04-14 20:28:00 -07:00
rxrpc RxRPC: Error handling for rxrpc_alloc_connection() 2009-05-21 15:22:02 -07:00
sched cls_cgroup: Fix oops when user send improperly 'tc filter add' request 2009-06-09 04:03:09 -07:00
sctp proc 2/2: remove struct proc_dir_entry::owner 2009-03-31 01:14:44 +04:00
sunrpc Merge branch 'for-2.6.30' of git://linux-nfs.org/~bfields/linux 2009-05-29 08:49:09 -07:00
tipc tipc: fix non-const printf format arguments 2009-03-18 19:11:29 -07:00
unix New helper - current_umask() 2009-03-31 23:00:26 -04:00
wanrouter wanrouter: fix sparse warnings: context imbalance 2009-02-26 23:13:36 -08:00
wimax wimax: oops: wimax_dev_add() is the only one that can initialize the state 2009-05-06 13:48:37 -07:00
wireless cfg80211: fix race between core hint and driver's custom apply 2009-05-20 14:29:54 -04:00
x25 af_rose/x25: Sanity check the maximum user frame size 2009-03-27 00:28:21 -07:00
xfrm xfrm: wrong hash value for temporary SA 2009-04-27 02:58:59 -07:00
Kconfig net: remove stale reference to fastroute from Kconfig help text 2009-05-07 16:31:01 -07:00
Makefile RDS: Kconfig and Makefile 2009-02-26 23:43:35 -08:00
TUNABLE
…
compat.c net: socket infrastructure for SO_TIMESTAMPING 2009-02-15 22:43:35 -08:00
nonet.c
…
socket.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 2009-04-06 18:05:43 -07:00
sysctl_net.c net: sysctl_net - use net_eq to compare nets 2009-03-16 16:23:30 +01:00