neighbour: fix unaligned access to pneigh_entry
[ Upstream commited779fe4c9
] After the blamed commit, the member key is longer 4-byte aligned. On platforms that do not support unaligned access, e.g., MIPS32R2 with unaligned_action set to 1, this will trigger a crash when accessing an IPv6 pneigh_entry, as the key is cast to an in6_addr pointer. Change the type of the key to u32 to make it aligned. Fixes:62dd93181a
("[IPV6] NDISC: Set per-entry is_router flag in Proxy NA.") Signed-off-by: Qingfang DENG <qingfang.deng@siflower.com.cn> Link: https://lore.kernel.org/r/20230601015432.159066-1-dqfext@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
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@ -180,7 +180,7 @@ struct pneigh_entry {
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netdevice_tracker dev_tracker;
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u32 flags;
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u8 protocol;
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u8 key[];
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u32 key[];
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};
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/*
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