6.17-stable review patch. If anyone has any objections, please let me know.
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From: Hengqi Chen hengqi.chen@gmail.com
[ Upstream commit 6ff4a0fa3e1b2b9756254b477fb2f0fbe04ff378 ]
The current implementation seems incorrect and does NOT match the comment above, use bpf_jit_binary_pack_finalize() instead.
Fixes: 1dad391daef1 ("bpf, arm64: use bpf_prog_pack for memory management") Acked-by: Puranjay Mohan puranjay@kernel.org Signed-off-by: Hengqi Chen hengqi.chen@gmail.com Acked-by: Song Liu song@kernel.org Acked-by: Puranjay Mohan puranjay@kernel.org Link: https://lore.kernel.org/r/20250916232653.101004-1-hengqi.chen@gmail.com Signed-off-by: Alexei Starovoitov ast@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- arch/arm64/net/bpf_jit_comp.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/arch/arm64/net/bpf_jit_comp.c b/arch/arm64/net/bpf_jit_comp.c index 52ffe115a8c47..4ef9b7b8fb404 100644 --- a/arch/arm64/net/bpf_jit_comp.c +++ b/arch/arm64/net/bpf_jit_comp.c @@ -3064,8 +3064,7 @@ void bpf_jit_free(struct bpf_prog *prog) * before freeing it. */ if (jit_data) { - bpf_arch_text_copy(&jit_data->ro_header->size, &jit_data->header->size, - sizeof(jit_data->header->size)); + bpf_jit_binary_pack_finalize(jit_data->ro_header, jit_data->header); kfree(jit_data); } prog->bpf_func -= cfi_get_offset();