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dee4e7b40c
Changelog: https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.132
Removed upstreamed:
bcm53xx/patches-5.15/037-v6.6-0006-ARM-dts-BCM53573-Add-cells-sizes-to-PCIe-node.patch[1]
bcm53xx/patches-5.15/037-v6.6-0007-ARM-dts-BCM53573-Use-updated-spi-gpio-binding-proper.patch[2]
bcm53xx/patches-5.15/037-v6.6-0008-ARM-dts-BCM5301X-Extend-RAM-to-full-256MB-for-Linksy.patch[3]
All other patches automatically rebased.
1. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.15.132&id=b35f3ca1877e024887df205ede952863d65dad36
2. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.15.132&id=2840d9b9c8750be270fb1153ccd5b983cbb5d592
3. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.15.132&id=f086e859ddc252c32f0438edff241859c0f022ce
Build system: x86_64
Build-tested: ramips/tplink_archer-a6-v3
Run-tested: ramips/tplink_archer-a6-v3
Signed-off-by: John Audia <therealgraysky@proton.me>
(cherry picked from commit ac422c9788)
[Refresh on top of OpenWrt 23.05]
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
36 lines
1.4 KiB
Diff
36 lines
1.4 KiB
Diff
From: Alexander Duyck <alexanderduyck@fb.com>
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Date: Thu, 26 Jan 2023 11:06:59 -0800
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Subject: [PATCH] skb: Do mix page pool and page referenced frags in GRO
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GSO should not merge page pool recycled frames with standard reference
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counted frames. Traditionally this didn't occur, at least not often.
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However as we start looking at adding support for wireless adapters there
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becomes the potential to mix the two due to A-MSDU repartitioning frames in
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the receive path. There are possibly other places where this may have
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occurred however I suspect they must be few and far between as we have not
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seen this issue until now.
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Fixes: 53e0961da1c7 ("page_pool: add frag page recycling support in page pool")
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Reported-by: Felix Fietkau <nbd@nbd.name>
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Signed-off-by: Alexander Duyck <alexanderduyck@fb.com>
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---
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--- a/net/core/skbuff.c
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+++ b/net/core/skbuff.c
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@@ -4358,6 +4358,15 @@ int skb_gro_receive(struct sk_buff *p, s
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if (unlikely(p->len + len >= 65536 || NAPI_GRO_CB(skb)->flush))
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return -E2BIG;
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+ /* Do not splice page pool based packets w/ non-page pool
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+ * packets. This can result in reference count issues as page
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+ * pool pages will not decrement the reference count and will
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+ * instead be immediately returned to the pool or have frag
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+ * count decremented.
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+ */
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+ if (p->pp_recycle != skb->pp_recycle)
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+ return -ETOOMANYREFS;
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+
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lp = NAPI_GRO_CB(p)->last;
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pinfo = skb_shinfo(lp);
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