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authorGabriel <gabfeol@gmail.com>2019-05-22 16:59:49 -0300
committerJan Edmund Lazo <jan.lazo@mail.utoronto.ca>2019-07-24 21:43:04 -0400
commit33ce6a7f62c5203ca0f6903327c2e3e5ec54344c (patch)
tree57865be1e37dd1f1a8a8a762d2ec36e5499086b1 /src/nvim/regexp_nfa.c
parent43f4e5d5be44c4d836eabd479dcee9ff7d3bfa2a (diff)
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Checks for overflow when parsing string to int
Diffstat (limited to 'src/nvim/regexp_nfa.c')
-rw-r--r--src/nvim/regexp_nfa.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/nvim/regexp_nfa.c b/src/nvim/regexp_nfa.c
index ab189c0c03..abbb5a3867 100644
--- a/src/nvim/regexp_nfa.c
+++ b/src/nvim/regexp_nfa.c
@@ -1499,6 +1499,10 @@ static int nfa_regatom(void)
if (c == '<' || c == '>')
c = getchr();
while (ascii_isdigit(c)) {
+ if (n > (INT_MAX - (c - '0')) / 10) {
+ EMSG(_("E951: \\% value too large"));
+ return FAIL;
+ }
n = n * 10 + (c - '0');
c = getchr();
}