Commit ecba66cb authored by Ilya Leoshkevich's avatar Ilya Leoshkevich Committed by Alexei Starovoitov
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s390/bpf: Fix gotol with large offsets 



The gotol implementation uses a wrong data type for the offset: it
should be s32, not s16.

Fixes: c690191e ("s390/bpf: Implement unconditional jump with 32-bit offset")
Signed-off-by: default avatarIlya Leoshkevich <iii@linux.ibm.com>
Acked-by: default avatarYonghong Song <yonghong.song@linux.dev>
Acked-by: default avatarJohn Fastabend <john.fastabend@gmail.com>
Link: https://lore.kernel.org/r/20240102193531.3169422-2-iii@linux.ibm.com


Signed-off-by: default avatarAlexei Starovoitov <ast@kernel.org>
parent 98e20e5e

arch/s390/net/bpf_jit_comp.c

+1 −1
Original line number Diff line number Diff line
@@ -779,7 +779,7 @@ static noinline int bpf_jit_insn(struct bpf_jit *jit, struct bpf_prog *fp, 
				 int i, bool extra_pass, u32 stack_depth)

{

	struct bpf_insn *insn = &fp->insnsi[i];

	s16 branch_oc_off = insn->off;

	s32 branch_oc_off = insn->off;

	u32 dst_reg = insn->dst_reg;

	u32 src_reg = insn->src_reg;

	int last, insn_count = 1;