From: Song Liu song@kernel.org

stable inclusion from stable-v6.6.54 commit b3c10ac84c5a544ccd92ee4f891441df91a8cfbc category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/IAW1S1 CVE: NA

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...

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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: a10787e6d58c ("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 Signed-off-by: Gu Bowen gubowen5@huawei.com --- security/bpf/hooks.c | 1 - 1 file changed, 1 deletion(-)

diff --git a/security/bpf/hooks.c b/security/bpf/hooks.c index cfaf1d0e6a5f..35933ae53b92 100644 --- a/security/bpf/hooks.c +++ b/security/bpf/hooks.c @@ -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) = {