netdev - Re: [PATCH net] rhashtable: fix crash due to mm api change

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Message-Id: <DF75F7A2-FAB1-4614-8704-A8F07484B8A8@gmail.com>
Date:   Thu, 29 Sep 2022 23:57:05 +0300
From:   Martin Zaharinov <micron10@...il.com>
To:     Florian Westphal <fw@...len.de>
Cc:     netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH net] rhashtable: fix crash due to mm api change

Update to kernel 5.19.12 and run test if see any bugs will update


Thanks Florian !


Martin

> On 28 Sep 2022, at 11:57, Florian Westphal <fw@...len.de> wrote:
> 
> Martin Zaharinov <micron10@...il.com> wrote:
>> And one more from last min
>> this is with kernel 5.19.11
> 
> This is unrelated to the rhashtable/mm thing, so I am trimming CCs.
> 
>> Sep 27 17:44:57 [ 1771.332920][    C8] RIP: 0010:queued_spin_lock_slowpath+0x41/0x1a0
>> Sep 27 17:44:57 [ 1771.356563][    C8] Code: 08 0f 92 c1 8b 02 0f b6 c9 c1 e1 08 30 e4 09 c8 3d ff 00 00 00 0f 87 f5 00 00 00 85 c0 74 0f 8b 02 84 c0 74 09 0f ae e8 8b 02 <84> c0 75 f7 b8 01 00 00 00 66 89 02 c3 8b 37 b8 00 02 00 00 81 fe
>> Sep 27 17:44:57 [ 1771.405388][    C8] RSP: 0000:ffffa03dc3e3faf8 EFLAGS: 00000202
>> Sep 27 17:44:57 [ 1771.429444][    C8] RAX: 0000000000000101 RBX: ffff9d530e975a48 RCX: 0000000000000000
>> Sep 27 17:44:57 [ 1771.454289][    C8] RDX: ffff9d5380235d04 RSI: 0000000000000001 RDI: ffff9d5380235d04
>> Sep 27 17:44:57 [ 1771.479285][    C8] RBP: ffff9d5380235d04 R08: 0000000000000056 R09: 0000000000000030
>> Sep 27 17:44:57 [ 1771.504541][    C8] R10: c3acfae79ca90a0d R11: ffffa03dc3e30a0d R12: 0000000064a1ac01
>> Sep 27 17:44:57 [ 1771.529954][    C8] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000001
>> Sep 27 17:44:57 [ 1771.555591][    C8]  nf_ct_seqadj_set+0x55/0xd0 [nf_conntrack]
>> Sep 27 17:44:57 [ 1771.581511][    C8]  __nf_nat_mangle_tcp_packet+0x102/0x160 [nf_nat]
>> Sep 27 17:44:57 [ 1771.607825][    C8]  nf_nat_ftp+0x175/0x267 [nf_nat_ftp]
>> Sep 27 17:44:57 [ 1771.634121][    C8]  ? fib_validate_source+0x37/0xd0
>> Sep 27 17:44:57 [ 1771.660376][    C8]  ? help+0x4d5/0x6a0 [nf_conntrack_ftp]
>> Sep 27 17:44:57 [ 1771.686819][    C8]  help+0x4d5/0x6a0 [nf_conntrack_ftp]
> 
> Either need to wait for next 5.19.y release or apply the patch manually:
> https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/tree/queue-5.19/netfilter-nf_ct_ftp-fix-deadlock-when-nat-rewrite-is.patch
> 
> or remove nf_nat ftp module for the time being.