32 lines
1.0 KiB
Diff
32 lines
1.0 KiB
Diff
From 151f5de4a6548cd83a79b4705f1e901776ddacc5 Mon Sep 17 00:00:00 2001
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From: Nick Clifton <nickc@redhat.com>
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Date: Thu, 28 May 2020 11:04:27 +0100
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Subject: [PATCH] Fix a potential use of an uninitialised value in the ns32k
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disassembler.
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* ns32k-dis.c (print_insn_ns32k): Change the arg_bufs array to
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static.
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---
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opcodes/ns32k-dis.c | 5 ++++-
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1 files changed, 4 insertions(+), 1 deletion(-)
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diff --git a/opcodes/ns32k-dis.c b/opcodes/ns32k-dis.c
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index 12df182..ccad820 100644
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--- a/opcodes/ns32k-dis.c
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+++ b/opcodes/ns32k-dis.c
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@@ -738,7 +738,10 @@ print_insn_ns32k (bfd_vma memaddr, disassemble_info *info)
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unsigned short first_word;
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int ioffset; /* Bits into instruction. */
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int aoffset; /* Bits into arguments. */
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- char arg_bufs[MAX_ARGS+1][ARG_LEN];
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+ /* The arg_bufs array is made static in order to avoid a potential
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+ use of an uninitialised value if we are asekd to disassemble a
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+ corrupt instruction. */
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+ static char arg_bufs[MAX_ARGS+1][ARG_LEN];
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int argnum;
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int maxarg;
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struct private priv;
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--
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1.8.3.1
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