Commit a326f9c0 authored Sep 27, 2021 by Tiezhu Yang Committed by Greg Kroah-Hartman Oct 13, 2021

bpf, s390: Fix potential memory leak about jit_data



[ Upstream commit 686cb8b9f6b46787f035afe8fbd132a74e6b1bdd ]

Make sure to free jit_data through kfree() in the error path.

Fixes: 1c8f9b91 ("bpf: s390: add JIT support for multi-function programs")
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Acked-by: Ilya Leoshkevich <iii@linux.ibm.com>
Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

parent 60bacf25

arch/s390/net/bpf_jit_comp.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1385,7 +1385,7 @@ struct bpf_prog bpf_int_jit_compile(struct bpf_prog fp)
		jit.addrs = kvcalloc(fp->len + 1, sizeof(*jit.addrs), GFP_KERNEL);
		if (jit.addrs == NULL) {
		fp = orig_fp;
		goto out;
		goto free_addrs;
		}
		/*
		* Three initial passes: