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-rw-r--r--erts/emulator/beam/dist.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/erts/emulator/beam/dist.c b/erts/emulator/beam/dist.c
index f041e92375..1dcda29af9 100644
--- a/erts/emulator/beam/dist.c
+++ b/erts/emulator/beam/dist.c
@@ -1924,6 +1924,12 @@ erts_dsig_send(ErtsDSigData *dsdp, struct erts_dsig_send_context* ctx)
ASSERT(ctx->obuf->ext_endp <= &ctx->obuf->data[0] + ctx->data_size);
ctx->data_size = ctx->obuf->ext_endp - ctx->obuf->extp;
+ if (ctx->data_size > (Uint) INT_MAX) {
+ free_dist_obuf(ctx->obuf);
+ ctx->obuf = NULL;
+ retval = ERTS_DSIG_SEND_TOO_LRG;
+ goto done;
+ }
ctx->obuf->hopefull_flags = ctx->u.ec.hopefull_flags;
/*