net: amd-xgbe: Fix skb data length underflow

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There will be BUG_ON() triggered in include/linux/skbuff.h leading to
intermittent kernel panic, when the skb length underflow is detected.

Fix this by dropping the packet if such length underflows are seen
because of inconsistencies in the hardware descriptors.

Fixes: 622c36f143 ("amd-xgbe: Fix jumbo MTU processing on newer hardware")
Suggested-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
Acked-by: Tom Lendacky <thomas.lendacky@amd.com>
Link: https://lore.kernel.org/r/20220127092003.2812745-1-Shyam-sundar.S-k@amd.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

...

This commit is contained in:

Shyam Sundar S K 2022-01-27 14:50:03 +05:30 • committed by Jakub Kicinski

parent 23a46422c5

commit 5aac9108a1

1 changed files with 11 additions and 1 deletions

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drivers/net/ethernet/amd/xgbe/xgbe-drv.c

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