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bpf: lsm: Set bpf_lsm_blob_sizes.lbs_task to 0 

commit 300a90b2cb5d442879e6398920c49aebbd5c8e40 upstream.

bpf task local storage is now using task_struct->bpf_storage, so
bpf_lsm_blob_sizes.lbs_task is no longer needed. Remove it to save some
memory.

Fixes: a10787e6d5 ("bpf: Enable task local storage for tracing programs")
Cc: stable@vger.kernel.org
Cc: KP Singh <kpsingh@kernel.org>
Cc: Matt Bobrowski <mattbobrowski@google.com>
Signed-off-by: Song Liu <song@kernel.org>
Acked-by: Matt Bobrowski <mattbobrowski@google.com>
Link: https://lore.kernel.org/r/20240911055508.9588-1-song@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Song Liu 2024-09-10 22:55:08 -07:00 committed by Greg Kroah-Hartman
parent 722e9e5acc
commit b3c10ac84c
1 changed files with 0 additions and 1 deletions
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security/bpf/hooks.c
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@ -24,7 +24,6 @@ static int __init bpf_lsm_init(void)
struct lsm_blob_sizes bpf_lsm_blob_sizes __ro_after_init = {
.lbs_inode = sizeof(struct bpf_storage_blob),
.lbs_task = sizeof(struct bpf_storage_blob),
};
DEFINE_LSM(bpf) = {