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-rw-r--r--opcodes/nfp-dis.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/opcodes/nfp-dis.c b/opcodes/nfp-dis.c
index 170f6a2d63e..3938046474a 100644
--- a/opcodes/nfp-dis.c
+++ b/opcodes/nfp-dis.c
@@ -2594,7 +2594,7 @@ init_nfp3200_priv (nfp_priv_data * priv, struct disassemble_info *dinfo)
static bool
init_nfp6000_mecsr_sec (nfp_priv_data * priv, Elf_Internal_Shdr * sec,
- int is_for_text, struct disassemble_info *dinfo)
+ bool is_for_text, struct disassemble_info *dinfo)
{
Elf_Nfp_InitRegEntry ireg;
unsigned char buffer[sizeof (Elf_Nfp_InitRegEntry)];
@@ -2644,6 +2644,9 @@ init_nfp6000_mecsr_sec (nfp_priv_data * priv, Elf_Internal_Shdr * sec,
menum = _BF (ireg.cpp_offset_lo, 13, 10) - 4;
csr_off = _BF (ireg.cpp_offset_lo, 9, 0);
+ if (isl >= _NFP_ISLAND_MAX || menum >= _NFP_ME_MAX)
+ return false;
+
mecfg = &priv->mecfgs[isl][menum][is_for_text];
switch (csr_off)
{
@@ -2669,7 +2672,7 @@ init_nfp6000_priv (nfp_priv_data * priv, struct disassemble_info *dinfo)
size_t isl;
unsigned int sec_cnt = 0;
unsigned int sec_idx;
- int is_for_text;
+ bool is_for_text;
memset (mecfg_orders, -1, sizeof (mecfg_orders));