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Add a sanity check to the init_nfp6000_mecsr_sec() function in the NFP disassembler.

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This commit is contained in:
Yinjun Zhang
2021-09-06 10:44:29 +01:00
committed by Nick Clifton
parent 5a20fadc84
commit ac11cca5b6
1 changed files with 5 additions and 2 deletions
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opcodes/nfp-dis.c
+5 -2
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@@ -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));