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authorHou Tao <houtao1@huawei.com>2023-10-21 09:49:59 +0800
committerDaniel Borkmann <daniel@iogearbox.net>2023-10-26 14:23:33 +0200
commitc421c12586b3f00fb96b5c9af15c9a051a9090b1 (patch)
tree93527c11d4684d0c5dc602a575bd7dc90d2cf320 /drivers/siox/Kconfig
parent22360fad5889cbefe1eca695b0cc0273ab280b56 (diff)
bpf: Add more WARN_ON_ONCE checks for mismatched alloc and free
There are two possible mismatched alloc and free cases in BPF memory allocator: 1) allocate from cache X but free by cache Y with a different unit_size 2) allocate from per-cpu cache but free by kmalloc cache or vice versa So add more WARN_ON_ONCE checks in free_bulk() and __free_by_rcu() to spot these mismatched alloc and free early. Signed-off-by: Hou Tao <houtao1@huawei.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Link: https://lore.kernel.org/bpf/20231021014959.3563841-1-houtao@huaweicloud.com
Diffstat (limited to 'drivers/siox/Kconfig')
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