From: patchwork-bot+netdevbpf@kernel.org
To: Jie Zhang <jzhang918@gmail.com>
Cc: netdev@vger.kernel.org, jie.zhang@analog.com, horms@kernel.org,
jacob.e.keller@intel.com, andrew+netdev@lunn.ch,
davem@davemloft.net, edumazet@google.com, kuba@kernel.org,
pabeni@redhat.com, mcoquelin.stm32@gmail.com,
alexandre.torgue@foss.st.com, rmk+kernel@armlinux.org.uk,
maxime.chevallier@bootlin.com, vladimir.oltean@nxp.com,
Jose.Abreu@synopsys.com,
linux-stm32@st-md-mailman.stormreply.com,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH net v3] net: stmmac: fix oops when split header is enabled
Date: Fri, 13 Feb 2026 03:00:05 +0000 [thread overview]
Message-ID: <177095160583.1822665.14143768748258402663.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20260209225037.589130-1-jie.zhang@analog.com>
Hello:
This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@kernel.org>:
On Mon, 9 Feb 2026 17:50:32 -0500 you wrote:
> For GMAC4, when split header is enabled, in some rare cases, the
> hardware does not fill buf2 of the first descriptor with payload.
> Thus we cannot assume buf2 is always fully filled if it is not
> the last descriptor. Otherwise, the length of buf2 of the second
> descriptor will be calculated wrong and cause an oops:
>
> Unable to handle kernel paging request at virtual address ffff00019246bfc0
> ...
> x2 : 0000000000000040 x1 : ffff00019246bfc0 x0 : ffff00009246c000
> Call trace:
> dcache_inval_poc+0x28/0x58 (P)
> dma_direct_sync_single_for_cpu+0x38/0x6c
> __dma_sync_single_for_cpu+0x34/0x6c
> stmmac_napi_poll_rx+0x8f0/0xb60
> __napi_poll.constprop.0+0x30/0x144
> net_rx_action+0x160/0x274
> handle_softirqs+0x1b8/0x1fc
> ...
>
> [...]
Here is the summary with links:
- [net,v3] net: stmmac: fix oops when split header is enabled
https://git.kernel.org/netdev/net/c/babab1b42ed6
You are awesome, thank you!
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prev parent reply other threads:[~2026-02-13 3:00 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-09 22:50 [PATCH net v3] net: stmmac: fix oops when split header is enabled Jie Zhang
2026-02-13 3:00 ` patchwork-bot+netdevbpf [this message]
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