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On Tue, Jul 10, 2012 at 03:05:03PM +0200, Pablo Neira Ayuso wrote:
> Hi Simon,
>
> On Tue, Jul 10, 2012 at 06:20:03PM +0900, Simon Horman wrote:
> > 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.
>
> That's fine, I can make it, but you have to include what stable
> releases this will be applied, eg. patch 1 to releases 3.4 and 3.2.
>
> I think -stable maintainers will ask for that.
Ping?
> > 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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