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Patch/fix ub (#724)

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* Fix input validation in storage-manager and bitstring

* Fix potentially dangling pointer missing_library

---------

Co-authored-by: SpyCheese <mikle98@yandex.ru>
This commit is contained in:
EmelyanenkoK 2023-07-14 15:25:07 +03:00 • committed by GitHub
parent 9b34217bf0
commit ef306dd36e
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GPG key ID: 4AEE18F83AFDEB23
10 changed files with 73 additions and 33 deletions
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8
crypto/common/bitstring.cpp
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@ -596,7 +596,7 @@ long parse_bitstring_hex_literal(unsigned char* buff, std::size_t buff_size, con
unsigned char* ptr = buff;
const char* rptr = str;
while (rptr < str_end) {
int c = *rptr++;
char c = *rptr++;
if (c == ' ' || c == '\t') {
continue;
}
@ -627,14 +627,14 @@ long parse_bitstring_hex_literal(unsigned char* buff, std::size_t buff_size, con
if (cmpl && bits) {
int t = (hex_digits_count & 1) ? (0x100 + *ptr) >> 4 : (0x100 + *--ptr);
while (bits > 0) {
if (t == 1) {
t = 0x100 + *--ptr;
}
--bits;
if (t & 1) {
break;
}
t >>= 1;
if (t == 1) {
t = 0x100 + *--ptr;
}
}
}
return bits;