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-rw-r--r--erts/emulator/beam/beam_load.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/erts/emulator/beam/beam_load.c b/erts/emulator/beam/beam_load.c
index 30913910b6..8ad7862daa 100644
--- a/erts/emulator/beam/beam_load.c
+++ b/erts/emulator/beam/beam_load.c
@@ -1783,6 +1783,10 @@ read_code_header(LoaderState* stp)
*/
GetInt(stp, 4, head_size);
+ if (head_size > stp->file_left) {
+ LoadError2(stp, "invalid code header size %u; bytes left %u",
+ head_size, stp->file_left);
+ }
stp->code_start = stp->file_p + head_size;
stp->code_size = stp->file_left - head_size;
stp->file_left = head_size;