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MdeModulePkg/RegularExpressionDxe: Add two missing null pointer checks 

After update Oniguruma from v6.9.0 to v6.9.3, two null pointer check
should be added.
This change bases on the patch https://edk2.groups.io/g/devel/message/45183.

Cc: Jian J Wang <jian.j.wang@intel.com>
Cc: Hao A Wu <hao.a.wu@intel.com>
Signed-off-by: Liming Gao <liming.gao@intel.com>
Reviewed-by: Hao A Wu <hao.a.wu@intel.com>
This commit is contained in:
Liming Gao 2019-08-12 10:52:18 +08:00
parent b26691c471
commit a7b54d1821
1 changed files with 2 additions and 0 deletions
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2
MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/regparse.c
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@ -1955,6 +1955,7 @@ callout_tag_entry(ScanEnv* env, regex_t* reg, UChar* name, UChar* name_end,
ext = onig_get_regex_ext(reg);
CHECK_NULL_RETURN_MEMERR(ext);
CHECK_NULL_RETURN_MEMERR(ext->tag_table);
r = callout_tag_entry_raw(env, ext->tag_table, name, name_end, entry_val);
e = onig_reg_callout_list_at(reg, (int )entry_val);
@ -3277,6 +3278,7 @@ node_new_str_raw_char(UChar c)
p[0] = c;
node = node_new_str_raw(p, p + 1);
CHECK_NULL_RETURN(node);
/* clear buf tail */
for (i = 1; i < NODE_STRING_BUF_SIZE; i++)