From: Jakub Kicinski <kuba@kernel.org>
To: Vladimir Oltean <olteanv@gmail.com>
Cc: Claudiu Manoil <claudiu.manoil@nxp.com>,
netdev@vger.kernel.org, "David S . Miller" <davem@davemloft.net>,
james.jurack@ametek.com
Subject: Re: [PATCH net v2 1/2] gianfar: Replace skb_realloc_headroom with skb_cow_head for PTP
Date: Tue, 3 Nov 2020 08:30:50 -0800 [thread overview]
Message-ID: <20201103083050.100b2568@kicinski-fedora-PC1C0HJN.hsd1.ca.comcast.net> (raw)
In-Reply-To: <20201103161319.wisvmjbdqhju6vyh@skbuf>
On Tue, 3 Nov 2020 18:13:19 +0200 Vladimir Oltean wrote:
> [14538.046926] PC is at skb_release_data+0x6c/0x14c
> [14538.051518] LR is at consume_skb+0x38/0xd8
> [14538.055588] pc : [<c10e439c>] lr : [<c10e3fac>] psr: 200f0013
> [14538.061817] sp : c28f1da8 ip : 00000000 fp : c265aa40
> [14538.067010] r10: 00000000 r9 : 00000000 r8 : c2f98000
> [14538.072204] r7 : c511d900 r6 : c3d3d900 r5 : c3d3d900 r4 : 00000000
> [14538.078693] r3 : 000000d3 r2 : 00000001 r1 : 00000000 r0 : 00000000
> [14538.263039] [<c10e439c>] (skb_release_data) from [<c10e3fac>] (consume_skb+0x38/0xd8)
> [14538.270834] [<c10e3fac>] (consume_skb) from [<c0d529bc>] (gfar_start_xmit+0x704/0x784)
> [14538.278714] [<c0d529bc>] (gfar_start_xmit) from [<c10fcdf8>] (dev_hard_start_xmit+0xfc/0x254)
> [14538.287198] [<c10fcdf8>] (dev_hard_start_xmit) from [<c1158524>] (sch_direct_xmit+0x104/0x2e0)
Looks like one of the error paths freeing a wonky skb.
Could you decode these addresses to line numbers?
next prev parent reply other threads:[~2020-11-03 16:30 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-14 13:53 PROBLEM: Crash when timestamping outgoing PTP packets under heavy network load (ppc, gianfar) James Jurack
2020-10-20 17:36 ` [PATCH net] gianfar: Account for Tx PTP timestamp in the skb headroom Claudiu Manoil
2020-10-21 17:59 ` Jakub Kicinski
2020-10-22 12:09 ` Claudiu Manoil
2020-10-23 2:54 ` Jakub Kicinski
2020-10-23 11:37 ` Claudiu Manoil
2020-10-29 8:10 ` [PATCH net v2 1/2] gianfar: Replace skb_realloc_headroom with skb_cow_head for PTP Claudiu Manoil
2020-10-29 8:10 ` [PATCH net v2 2/2] gianfar: Account for Tx PTP timestamp in the skb headroom Claudiu Manoil
2020-10-30 16:41 ` [PATCH net v2 1/2] gianfar: Replace skb_realloc_headroom with skb_cow_head for PTP Jakub Kicinski
2020-11-03 16:13 ` Vladimir Oltean
2020-11-03 16:30 ` Jakub Kicinski [this message]
2020-11-03 17:18 ` Claudiu Manoil
2020-11-03 17:30 ` Vladimir Oltean
2020-11-03 17:36 ` Jakub Kicinski
2020-11-03 17:39 ` Jakub Kicinski
2020-11-03 17:51 ` Vladimir Oltean
2020-11-03 17:41 ` Claudiu Manoil
2020-11-03 17:49 ` Vladimir Oltean
2020-11-03 18:16 ` Eric Dumazet
2020-11-04 16:45 ` Claudiu Manoil
2020-11-03 18:16 ` Vladimir Oltean
2020-11-03 16:36 ` Julian Wiedmann
2020-11-03 17:08 ` Claudiu Manoil
2020-11-03 17:12 ` Jakub Kicinski
2020-11-03 17:24 ` Vladimir Oltean
2020-11-03 17:38 ` Vladimir Oltean
2020-11-03 17:18 ` Vladimir Oltean
2020-11-03 17:27 ` Vladimir Oltean
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