File 0887-beam-external-don-t-blow-assert-on-encount... of Package erlang

Overview Repositories Revisions Requests Users Attributes Meta

File 0887-beam-external-don-t-blow-assert-on-encounter-with-a-.patch of Package erlang (Revision 6ff263ea95f98a067bf8d20b6686eae1)

Currently displaying revision 6ff263ea95f98a067bf8d20b6686eae1 , Show latest

From 9061696d8450e414ac9423cda7059b5f72aeedba Mon Sep 17 00:00:00 2001
From: Alex Wilson <alex@cooperi.net>
Date: Tue, 7 Nov 2023 14:25:02 +1000
Subject: [PATCH] beam/external: don't blow assert on encounter with a magic
 binary

Magic binaries might have data outside their actual Binary struct
so we shouldn't try to assert about where their data is here.
---
 erts/emulator/beam/external.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/erts/emulator/beam/external.c b/erts/emulator/beam/external.c
index 36dad669d9..32affb6b6c 100644
--- a/erts/emulator/beam/external.c
+++ b/erts/emulator/beam/external.c
@@ -4015,8 +4015,12 @@ store_in_vec_aux(TTBEncodeContext *ctx,
     Uint iov_len;
     ErlIOVec *feiovp;
 
-    ASSERT(((byte *) &bin->orig_bytes[0]) <= ptr);
-    ASSERT(ptr + len <= ((byte *) &bin->orig_bytes[0]) + bin->orig_size);
+#ifdef DEBUG
+    if (!(bin->intern.flags & BIN_FLAG_MAGIC)) {
+        ASSERT(((byte *) &bin->orig_bytes[0]) <= ptr);
+        ASSERT(ptr + len <= ((byte *) &bin->orig_bytes[0]) + bin->orig_size);
+    }
+#endif
 
     if (ctx->frag_ix >= 0) {
         feiovp = &ctx->fragment_eiovs[ctx->frag_ix];
-- 
2.35.3

Places

File 0887-beam-external-don-t-blow-assert-on-encounter-with-a-.patch of Package erlang (Revision 6ff263ea95f98a067bf8d20b6686eae1)

Places