Commit 5482e9a9 authored Dec 01, 2018 by Martin KaFai Lau Committed by Alexei Starovoitov Dec 02, 2018

bpf: Fix memleak in aux->func_info and aux->btf



The aux->func_info and aux->btf are leaked in the error out cases
during bpf_prog_load().  This patch fixes it.

Fixes: ba64e7d8 ("bpf: btf: support proper non-jit func info")
Cc: Yonghong Song <yhs@fb.com>
Signed-off-by: Martin KaFai Lau <kafai@fb.com>
Acked-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

parent 71fc156f

kernel/bpf/syscall.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -1560,6 +1560,8 @@ static int bpf_prog_load(union bpf_attr attr, union bpf_attr __user uattr)
		return err;

		free_used_maps:
		kvfree(prog->aux->func_info);
		btf_put(prog->aux->btf);
		bpf_prog_kallsyms_del_subprogs(prog);
		free_used_maps(prog->aux);
		free_prog:

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