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Merge branch 'x86-bpf-jit-fixes'

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Daniel Borkmann says:

====================
Fix two memory leaks in x86 JIT. For details, please see
individual patches in this series. Thanks!
====================

Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Alexei Starovoitov 2018-05-02 12:35:47 -07:00
commit 0f58e58e28
1 changed files with 3 additions and 3 deletions
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6
arch/x86/net/bpf_jit_comp.c
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@ -1236,6 +1236,7 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog)
for (pass = 0; pass < 20 || image; pass++) {
proglen = do_jit(prog, addrs, image, oldproglen, &ctx);
if (proglen <= 0) {
out_image:
image = NULL;
if (header)
bpf_jit_binary_free(header);
@ -1246,8 +1247,7 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog)
if (proglen != oldproglen) {
pr_err("bpf_jit: proglen=%d != oldproglen=%d\n",
proglen, oldproglen);
prog = orig_prog;
goto out_addrs;
goto out_image;
}
break;
}
@ -1283,7 +1283,7 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog)
prog = orig_prog;
}
if (!prog->is_func || extra_pass) {
if (!image || !prog->is_func || extra_pass) {
out_addrs:
kfree(addrs);
kfree(jit_data);