From mboxrd@z Thu Jan  1 00:00:00 1970
From: Eric Dumazet <eric.dumazet@gmail.com>
Subject: Re: AW: PROBLEM: Kernel Oops in UDP stack
Date: Wed, 1 Aug 2018 03:20:24 -0700
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        Matthias Wystrik <mwystrik@mut-group.com>
To: Marcel Hellwig <mhellwig@mut-group.com>,
        'Eric Dumazet' <eric.dumazet@gmail.com>,
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On 07/31/2018 10:55 PM, Marcel Hellwig wrote:
> 
> [<c0228adc>] (udp_recvmsg+0x284/0x33c) from [<c02306e0>] (inet_recvmsg+0x38/0x4c): net/ipv4/udp.c:1234


              sin->sin_addr.s_addr = ip_hdr(skb)->saddr;

Unaligned access trap (virtual address c14fe63a), so either sin or ip_hdr(skb) are not on a 32bit alignment

Can you produce the disassembly of the trapping instruction ?

(Is is a read at address c14fe63a, or a write ...)

Thanks.