* [MPTCP] Re: [GIT] Sync with net-next on 20190131: a few conflicts
@ 2020-02-04 15:40 Christoph Paasch
0 siblings, 0 replies; 3+ messages in thread
From: Christoph Paasch @ 2020-02-04 15:40 UTC (permalink / raw)
To: mptcp
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On 04/02/20 - 15:58:49, Matthieu Baerts wrote:
> Hello,
>
> On 02/02/2020 09:38, Matthieu Baerts wrote:
> > On 31/01/2020 18:42, Matthieu Baerts wrote:
> > > Hello,
> > >
> > > It seems that recently, 'net-next' has been synced with 'net' which
> > > contains some modifications in MPTCP code. We then had a few
> > > conflicts due to Florian's patch-set, see: 55c6ab4b368 (Merge branch
> > > 'mptcp-fix-sockopt-crash-and-lockdep-splats')
> > >
> > > https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=d55c6ab4b368633f39f8fe059f3b877f978cfb4c
> >
> >
> > FYI, I was not able to validate the new version after having resolved
> > conflicts because it crashed before starting MPTCP:
>
> Again FYI, net-next has been updated a few minutes ago and it includes a fix
> for the crash I reported 2 days ago.
> After a rebase, the CI has just validated the new "export" branch and all
> tests are passing.
Great! I move syzkaller on top of the export-branch then.
Christoph
>
> Cheers,
> Matt
> --
> Matthieu Baerts | R&D Engineer
> matthieu.baerts(a)tessares.net
> Tessares SA | Hybrid Access Solutions
> www.tessares.net
> 1 Avenue Jean Monnet, 1348 Louvain-la-Neuve, Belgium
> _______________________________________________
> mptcp mailing list -- mptcp(a)lists.01.org
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^ permalink raw reply [flat|nested] 3+ messages in thread
* [MPTCP] Re: [GIT] Sync with net-next on 20190131: a few conflicts
@ 2020-02-04 14:58 Matthieu Baerts
0 siblings, 0 replies; 3+ messages in thread
From: Matthieu Baerts @ 2020-02-04 14:58 UTC (permalink / raw)
To: mptcp
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Hello,
On 02/02/2020 09:38, Matthieu Baerts wrote:
> On 31/01/2020 18:42, Matthieu Baerts wrote:
>> Hello,
>>
>> It seems that recently, 'net-next' has been synced with 'net' which
>> contains some modifications in MPTCP code. We then had a few conflicts
>> due to Florian's patch-set, see: 55c6ab4b368 (Merge branch
>> 'mptcp-fix-sockopt-crash-and-lockdep-splats')
>>
>> https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=d55c6ab4b368633f39f8fe059f3b877f978cfb4c
>
>
> FYI, I was not able to validate the new version after having resolved
> conflicts because it crashed before starting MPTCP:
Again FYI, net-next has been updated a few minutes ago and it includes a
fix for the crash I reported 2 days ago.
After a rebase, the CI has just validated the new "export" branch and
all tests are passing.
Cheers,
Matt
--
Matthieu Baerts | R&D Engineer
matthieu.baerts(a)tessares.net
Tessares SA | Hybrid Access Solutions
www.tessares.net
1 Avenue Jean Monnet, 1348 Louvain-la-Neuve, Belgium
^ permalink raw reply [flat|nested] 3+ messages in thread
* [MPTCP] Re: [GIT] Sync with net-next on 20190131: a few conflicts
@ 2020-02-02 8:38 Matthieu Baerts
0 siblings, 0 replies; 3+ messages in thread
From: Matthieu Baerts @ 2020-02-02 8:38 UTC (permalink / raw)
To: mptcp
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Hello,
On 31/01/2020 18:42, Matthieu Baerts wrote:
> Hello,
>
> It seems that recently, 'net-next' has been synced with 'net' which
> contains some modifications in MPTCP code. We then had a few conflicts
> due to Florian's patch-set, see: 55c6ab4b368 (Merge branch
> 'mptcp-fix-sockopt-crash-and-lockdep-splats')
>
> https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=d55c6ab4b368633f39f8fe059f3b877f978cfb4c
FYI, I was not able to validate the new version after having resolved
conflicts because it crashed before starting MPTCP:
[ 0.306339] general protection fault, probably for non-canonical
address 0x9896808086a201: 0000 [#1] SMP PTI
[ 0.307326] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.5.0+ #3
[ 0.307326] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996),
BIOS 1.10.2-1ubuntu1 04/01/2014
[ 0.307326] RIP: 0010:__kmalloc+0x8e/0x200
[ 0.307326] Code: 00 00 4c 8b 45 00 65 49 8b 50 08 65 4c 03 05 91 f0
dc 46 4d 8b 20 4d 85 e4 0f 84 42 01 00 00 8b 45 20 48 8b 7d 00 48 8d 4a
01 <49> 8b 1c 04 4c 89 e0 65 48 0f c7 0f 0f 94 c0 84 c0 74 c5 8b 45 20
[ 0.307326] RSP: 0000:ffffb66780013db0 EFLAGS: 00010202
[ 0.307326] RAX: 0000000000000000 RBX: ffffa2775f08d003 RCX:
00000000000000dc
[ 0.307326] RDX: 00000000000000db RSI: 0000000000000dc0 RDI:
000000000002d3c0
[ 0.307326] RBP: ffffa2775f001700 R08: ffffa2775f42d3c0 R09:
ffffa2775f282600
[ 0.307326] R10: ffffb66780013df8 R11: 0000000000000000 R12:
009896808086a201
[ 0.307326] R13: 0000000000000dc0 R14: 00000000000000fe R15:
ffffffffb92dadf1
[ 0.307326] FS: 0000000000000000(0000) GS:ffffa2775f400000(0000)
knlGS:0000000000000000
[ 0.307326] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 0.307326] CR2: 0000000000000000 CR3: 000000001d40a001 CR4:
0000000000360ef0
[ 0.307326] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[ 0.307326] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
0000000000000400
[ 0.307326] Call Trace:
[ 0.307326] __register_sysctl_table+0x411/0x5a0
[ 0.307326] ? kmem_cache_alloc_trace+0x36/0x1b0
[ 0.307326] __register_sysctl_paths+0x1bb/0x1e0
[ 0.307326] ? set_debug_rodata+0xc/0xc
[ 0.307326] dquot_init+0x2a/0x111
[ 0.307326] ? iomap_init+0x1b/0x1b
[ 0.307326] do_one_initcall+0x41/0x1e0
[ 0.307326] kernel_init_freeable+0x169/0x1c3
[ 0.307326] ? rest_init+0xb0/0xb0
[ 0.307326] kernel_init+0x5/0x100
[ 0.307326] ret_from_fork+0x35/0x40
[ 0.307326] Modules linked in:
[ 0.330667] ---[ end trace 6ebe1a517677856d ]---
[ 0.331337] RIP: 0010:__kmalloc+0x8e/0x200
[ 0.331935] Code: 00 00 4c 8b 45 00 65 49 8b 50 08 65 4c 03 05 91 f0
dc 46 4d 8b 20 4d 85 e4 0f 84 42 01 00 00 8b 45 20 48 8b 7d 00 48 8d 4a
01 <49> 8b 1c 04 4c 89 e0 65 48 0f c7 0f 0f 94 c0 84 c0 74 c5 8b 45 20
[ 0.334699] RSP: 0000:ffffb66780013db0 EFLAGS: 00010202
[ 0.335482] RAX: 0000000000000000 RBX: ffffa2775f08d003 RCX:
00000000000000dc
[ 0.336555] RDX: 00000000000000db RSI: 0000000000000dc0 RDI:
000000000002d3c0
[ 0.337626] RBP: ffffa2775f001700 R08: ffffa2775f42d3c0 R09:
ffffa2775f282600
[ 0.338701] R10: ffffb66780013df8 R11: 0000000000000000 R12:
009896808086a201
[ 0.339774] R13: 0000000000000dc0 R14: 00000000000000fe R15:
ffffffffb92dadf1
[ 0.340845] FS: 0000000000000000(0000) GS:ffffa2775f400000(0000)
knlGS:0000000000000000
[ 0.342067] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 0.342935] CR2: 0000000000000000 CR3: 000000001d40a001 CR4:
0000000000360ef0
[ 0.344006] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[ 0.345074] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
0000000000000400
[ 0.346133] Kernel panic - not syncing: Attempted to kill init!
exitcode=0x0000000b
[ 0.347127] ---[ end Kernel panic - not syncing: Attempted to kill
init! exitcode=0x0000000b ]---
It looks like it is similar to: https://lkml.org/lkml/2020/1/30/7
It seems patches to fix that have been shared. I guess net-next will be
updated soon.
Cheers,
Matt
--
Matthieu Baerts | R&D Engineer
matthieu.baerts(a)tessares.net
Tessares SA | Hybrid Access Solutions
www.tessares.net
1 Avenue Jean Monnet, 1348 Louvain-la-Neuve, Belgium
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2020-02-04 15:40 [MPTCP] Re: [GIT] Sync with net-next on 20190131: a few conflicts Christoph Paasch
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