Blame SOURCES/rhbz1643997.0024-PR23860-bugfix-incorrect-comparison-direction-in-str.patch
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From 90b65d0e05faee00c42cd303dd155dd3d228553d Mon Sep 17 00:00:00 2001
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From: Serhei Makarov <smakarov@redhat.com>
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Date: Fri, 9 Nov 2018 16:19:17 -0500
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Subject: [PATCH 24/32] PR23860 bugfix: incorrect comparison direction in
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string_copy()
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(Turns out this branch was flipped and it was a root cause of the havoc.)
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* bpf-translate.cxx (bpf_unparser::emit_string_copy): Correct
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direction of JEQ(all_nz,0) jump instruction.
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---
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bpf-translate.cxx | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/bpf-translate.cxx b/bpf-translate.cxx
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index 57a4cb107..0181380b7 100644
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--- a/bpf-translate.cxx
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+++ b/bpf-translate.cxx
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@@ -2667,7 +2667,7 @@ bpf_unparser::emit_string_copy(value *dest, int ofs, value *src, bool zero_pad)
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}
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this_prog.mk_jcond(this_ins, EQ, all_nz, this_prog.new_imm(0),
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- next_block, zero_pad ? block_B[i+1] : join_block);
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+ zero_pad ? block_B[i+1] : join_block, next_block);
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}
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// XXX: Zero-padding is only used under specific circumstances;
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--
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2.14.5
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