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On Mon, Apr 30, 2012 at 11:27:22AM +0200, Pablo Neira Ayuso wrote:
> On Fri, Apr 27, 2012 at 09:53:54AM +0900, Simon Horman wrote:
> > Hi Pablo,
> >
> > please consider the following 5 changes for 3.4, they are all bug fixes.
> > I would also like these changes considered for stable.
>
> Please, ping me again once these have hit Linus tree to ask for
> -stable submission.
Sorry for letting this slip through the cracks.
Please consider the following commits which are in Linus's tree for stable.
Or I can submit them directly if that is easier.
There are 7 patches listed below. The first 5 were the patches in this
pull request. The last two were patches in a git pull request
a few days earlier.
commit 8537de8a7ab6681cc72fb0411ab1ba7fdba62dd0
Author: Hans Schillstrom <hans.schillstrom@xxxxxxxxxxxx>
Date: Thu Apr 26 07:47:44 2012 +0200
ipvs: kernel oops - do_ip_vs_get_ctl
Change order of init so netns init is ready
when register ioctl and netlink.
Ver2
Whitespace fixes and __init added.
Reported-by: "Ryan O'Hara" <rohara@xxxxxxxxxx>
Signed-off-by: Hans Schillstrom <hans.schillstrom@xxxxxxxxxxxx>
Acked-by: Julian Anastasov <ja@xxxxxx>
Signed-off-by: Jesper Dangaard Brouer <brouer@xxxxxxxxxx>
Signed-off-by: Simon Horman <horms@xxxxxxxxxxxx>
commit 582b8e3eadaec77788c1aa188081a8d5059c42a6
Author: Hans Schillstrom <hans.schillstrom@xxxxxxxxxxxx>
Date: Thu Apr 26 09:45:35 2012 +0200
ipvs: take care of return value from protocol init_netns
ip_vs_create_timeout_table() can return NULL
All functions protocol init_netns is affected of this patch.
Signed-off-by: Hans Schillstrom <hans.schillstrom@xxxxxxxxxxxx>
Acked-by: Julian Anastasov <ja@xxxxxx>
Signed-off-by: Simon Horman <horms@xxxxxxxxxxxx>
commit 4b984cd50bc1b6d492175cd77bfabb78e76ffa67
Author: Hans Schillstrom <hans.schillstrom@xxxxxxxxxxxx>
Date: Thu Apr 26 09:45:34 2012 +0200
ipvs: null check of net->ipvs in lblc(r) shedulers
Avoid crash when registering shedulers after
the IPVS core initialization for netns fails. Do this by
checking for present core (net->ipvs).
Signed-off-by: Hans Schillstrom <hans.schillstrom@xxxxxxxxxxxx>
Acked-by: Julian Anastasov <ja@xxxxxx>
Signed-off-by: Simon Horman <horms@xxxxxxxxxxxx>
commit 39f618b4fd95ae243d940ec64c961009c74e3333
Author: Julian Anastasov <ja@xxxxxx>
Date: Wed Apr 25 00:29:58 2012 +0300
ipvs: reset ipvs pointer in netns
Make sure net->ipvs is reset on netns cleanup or failed
initialization. It is needed for IPVS applications to know that
IPVS core is not loaded in netns.
Signed-off-by: Julian Anastasov <ja@xxxxxx>
Acked-by: Hans Schillstrom <hans.schillstrom@xxxxxxxxxxxx>
Signed-off-by: Simon Horman <horms@xxxxxxxxxxxx>
commit 8d08d71ce59438a6ef06be5db07966e0c144b74e
Author: Julian Anastasov <ja@xxxxxx>
Date: Wed Apr 25 00:29:59 2012 +0300
ipvs: add check in ftp for initialized core
Avoid crash when registering ip_vs_ftp after
the IPVS core initialization for netns fails. Do this by
checking for present core (net->ipvs).
Signed-off-by: Julian Anastasov <ja@xxxxxx>
Acked-by: Hans Schillstrom <hans.schillstrom@xxxxxxxxxxxx>
Signed-off-by: Simon Horman <horms@xxxxxxxxxxxx>
commit 8f9b9a2fad47af27e14b037395e03cd8278d96d7
Author: Julian Anastasov <ja@xxxxxx>
Date: Fri Apr 13 18:08:43 2012 +0300
ipvs: fix crash in ip_vs_control_net_cleanup on unload
commit 14e405461e664b777e2a5636e10b2ebf36a686ec (2.6.39)
("Add __ip_vs_control_{init,cleanup}_sysctl()")
introduced regression due to wrong __net_init for
__ip_vs_control_cleanup_sysctl. This leads to crash when
the ip_vs module is unloaded.
Fix it by changing __net_init to __net_exit for
the function that is already renamed to ip_vs_control_net_cleanup_sysctl.
Signed-off-by: Julian Anastasov <ja@xxxxxx>
Signed-off-by: Hans Schillstrom <hans@xxxxxxxxxxxxxxx>
Signed-off-by: Simon Horman <horms@xxxxxxxxxxxx>
Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
commit 7118c07a844d367560ee91adb2071bde2fabcdbf
Author: Sasha Levin <levinsasha928@xxxxxxxxx>
Date: Sat Apr 14 12:37:46 2012 -0400
ipvs: Verify that IP_VS protocol has been registered
The registration of a protocol might fail, there were no checks
and all registrations were assumed to be correct. This lead to
NULL ptr dereferences when apps tried registering.
For example:
[ 1293.226051] BUG: unable to handle kernel NULL pointer dereference at
0000000000000018
[ 1293.227038] IP: [<ffffffff822aacb0>] tcp_register_app+0x60/0xb0
[ 1293.227038] PGD 391de067 PUD 6c20b067 PMD 0
[ 1293.227038] Oops: 0000 [#1] PREEMPT SMP
[ 1293.227038] CPU 1
[ 1293.227038] Pid: 19609, comm: trinity Tainted: G W
3.4.0-rc1-next-20120405-sasha-dirty #57
[ 1293.227038] RIP: 0010:[<ffffffff822aacb0>] [<ffffffff822aacb0>]
tcp_register_app+0x60/0xb0
[ 1293.227038] RSP: 0018:ffff880038c1dd18 EFLAGS: 00010286
[ 1293.227038] RAX: ffffffffffffffc0 RBX: 0000000000001500 RCX:
0000000000010000
[ 1293.227038] RDX: 0000000000000000 RSI: ffff88003a2d5888 RDI:
0000000000000282
[ 1293.227038] RBP: ffff880038c1dd48 R08: 0000000000000000 R09:
0000000000000000
[ 1293.227038] R10: 0000000000000000 R11: 0000000000000000 R12:
ffff88003a2d5668
[ 1293.227038] R13: ffff88003a2d5988 R14: ffff8800696a8ff8 R15:
0000000000000000
[ 1293.227038] FS: 00007f01930d9700(0000) GS:ffff88007ce00000(0000)
knlGS:0000000000000000
[ 1293.227038] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 1293.227038] CR2: 0000000000000018 CR3: 0000000065dfc000 CR4:
00000000000406e0
[ 1293.227038] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[ 1293.227038] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
0000000000000400
[ 1293.227038] Process trinity (pid: 19609, threadinfo ffff880038c1c000,
task ffff88002dc73000)
[ 1293.227038] Stack:
[ 1293.227038] ffff880038c1dd48 00000000fffffff4 ffff8800696aada0
ffff8800694f5580
[ 1293.227038] ffffffff8369f1e0 0000000000001500 ffff880038c1dd98
ffffffff822a716b
[ 1293.227038] 0000000000000000 ffff8800696a8ff8 0000000000000015
ffff8800694f5580
[ 1293.227038] Call Trace:
[ 1293.227038] [<ffffffff822a716b>] ip_vs_app_inc_new+0xdb/0x180
[ 1293.227038] [<ffffffff822a7258>] register_ip_vs_app_inc+0x48/0x70
[ 1293.227038] [<ffffffff822b2fea>] __ip_vs_ftp_init+0xba/0x140
[ 1293.227038] [<ffffffff821c9060>] ops_init+0x80/0x90
[ 1293.227038] [<ffffffff821c90cb>] setup_net+0x5b/0xe0
[ 1293.227038] [<ffffffff821c9416>] copy_net_ns+0x76/0x100
[ 1293.227038] [<ffffffff810dc92b>] create_new_namespaces+0xfb/0x190
[ 1293.227038] [<ffffffff810dca21>] unshare_nsproxy_namespaces+0x61/0x80
[ 1293.227038] [<ffffffff810afd1f>] sys_unshare+0xff/0x290
[ 1293.227038] [<ffffffff8187622e>] ? trace_hardirqs_on_thunk+0x3a/0x3f
[ 1293.227038] [<ffffffff82665539>] system_call_fastpath+0x16/0x1b
[ 1293.227038] Code: 89 c7 e8 34 91 3b 00 89 de 66 c1 ee 04 31 de 83 e6 0f
48 83 c6 22 48 c1 e6 04 4a 8b 14 26 49 8d 34 34 48 8d 42 c0 48 39 d6 74 13 <66>
39 58 58 74 22 48 8b 48 40 48 8d 41 c0 48 39 ce 75 ed 49 8d
[ 1293.227038] RIP [<ffffffff822aacb0>] tcp_register_app+0x60/0xb0
[ 1293.227038] RSP <ffff880038c1dd18>
[ 1293.227038] CR2: 0000000000000018
[ 1293.379284] ---[ end trace 364ab40c7011a009 ]---
[ 1293.381182] Kernel panic - not syncing: Fatal exception in interrupt
Signed-off-by: Sasha Levin <levinsasha928@xxxxxxxxx>
Acked-by: Julian Anastasov <ja@xxxxxx>
Signed-off-by: Simon Horman <horms@xxxxxxxxxxxx>
Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
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