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-rw-r--r--erts/emulator/beam/beam_load.c3
-rw-r--r--erts/emulator/beam/big.c2
-rw-r--r--erts/emulator/beam/erl_bits.c5
-rw-r--r--erts/emulator/beam/external.c2
4 files changed, 10 insertions, 2 deletions
diff --git a/erts/emulator/beam/beam_load.c b/erts/emulator/beam/beam_load.c
index cfc6146b0a..41c1b5d2c2 100644
--- a/erts/emulator/beam/beam_load.c
+++ b/erts/emulator/beam/beam_load.c
@@ -4971,7 +4971,8 @@ get_tag_and_value(LoaderState* stp, Uint len_code,
arity = count/sizeof(Eterm);
*result = new_literal(stp, &hp, arity+1);
- (void) bytes_to_big(bigbuf, count, neg, hp);
+ if (is_nil(bytes_to_big(bigbuf, count, neg, hp)))
+ goto load_error;
if (bigbuf != default_buf) {
erts_free(ERTS_ALC_T_LOADER_TMP, (void *) bigbuf);
diff --git a/erts/emulator/beam/big.c b/erts/emulator/beam/big.c
index de7d370938..d1e46e3063 100644
--- a/erts/emulator/beam/big.c
+++ b/erts/emulator/beam/big.c
@@ -1900,6 +1900,8 @@ Eterm bytes_to_big(byte *xp, dsize_t xsz, int xsgn, Eterm *r)
*rwp = d;
rwp++;
}
+ if (rsz > BIG_ARITY_MAX)
+ return NIL;
if (xsgn) {
*r = make_neg_bignum_header(rsz);
}
diff --git a/erts/emulator/beam/erl_bits.c b/erts/emulator/beam/erl_bits.c
index 73765772c8..53c21c40e1 100644
--- a/erts/emulator/beam/erl_bits.c
+++ b/erts/emulator/beam/erl_bits.c
@@ -403,7 +403,10 @@ erts_bs_get_integer_2(Process *p, Uint num_bits, unsigned flags, ErlBinMatchBuff
words_needed = 1+WSIZE(bytes);
hp = HeapOnlyAlloc(p, words_needed);
res = bytes_to_big(LSB, bytes, sgn, hp);
- if (is_small(res)) {
+ if (is_nil(res)) {
+ p->htop = hp;
+ res = THE_NON_VALUE;
+ } else if (is_small(res)) {
p->htop = hp;
} else if ((actual = bignum_header_arity(*hp)+1) < words_needed) {
p->htop = hp + actual;
diff --git a/erts/emulator/beam/external.c b/erts/emulator/beam/external.c
index 9b9b4b2a62..45d1f7514e 100644
--- a/erts/emulator/beam/external.c
+++ b/erts/emulator/beam/external.c
@@ -3056,6 +3056,8 @@ dec_term(ErtsDistExternal *edep, Eterm** hpp, byte* ep, ErlOffHeap* off_heap,
big = make_small(0);
} else {
big = bytes_to_big(first, n, neg, hp);
+ if (is_nil(big))
+ goto error;
if (is_big(big)) {
hp += big_arity(big) + 1;
}