From 25fdd50666bec00c99f0843b0d168ce54f1acd42 Mon Sep 17 00:00:00 2001
From: Daan <daanl@outlook.com>
Date: Sun, 8 Jun 2025 15:36:10 -0700
Subject: [PATCH 1/2] return NULL in mi_arena_try_alloc_at if we cannot commit
 but commit was requested

---
 src/arena.c | 23 ++++++++++++-----------
 1 file changed, 12 insertions(+), 11 deletions(-)

diff --git a/src/arena.c b/src/arena.c
index 0d86669b..d0e60db7 100644
--- a/src/arena.c
+++ b/src/arena.c
@@ -216,20 +216,21 @@ static mi_decl_noinline void* mi_arena_try_alloc_at(
       // now actually commit
       bool commit_zero = false;
       if (!_mi_os_commit_ex(p, mi_size_of_slices(slice_count), &commit_zero, mi_size_of_slices(slice_count - already_committed_count))) {
-        memid->initially_committed = false;
+        // if the commit fails, roll back and return NULL
+        _mi_arenas_free(p, mi_size_of_slices(slice_count), *memid); // this will decommit as well (if partially committed)
+        return NULL;
       }
-      else {
-        // committed
-        if (commit_zero) { memid->initially_zero = true; }
-        #if MI_DEBUG > 1
-        if (memid->initially_zero) {
-          if (!mi_mem_is_zero(p, mi_size_of_slices(slice_count))) {
-            _mi_error_message(EFAULT, "interal error: arena allocation was not zero-initialized!\n");
-            memid->initially_zero = false;
-          }
+      
+      // committed
+      if (commit_zero) { memid->initially_zero = true; }
+      #if MI_DEBUG > 1
+      if (memid->initially_zero) {
+        if (!mi_mem_is_zero(p, mi_size_of_slices(slice_count))) {
+          _mi_error_message(EFAULT, "interal error: arena allocation was not zero-initialized!\n");
+          memid->initially_zero = false;
         }
-        #endif
       }
+      #endif    
     }
     else {
       // already fully commited.

From 8b2f7746564da2be0766db49414d16a64590d8c7 Mon Sep 17 00:00:00 2001
From: Daan <daanl@outlook.com>
Date: Sun, 8 Jun 2025 15:39:46 -0700
Subject: [PATCH 2/2] auto run azure pipeline

---
 azure-pipelines.yml | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index acb92a28..61b18c4b 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -6,10 +6,8 @@
 trigger:
   branches:
     include:
-    - master
-    - dev
-    - dev2
-    - dev3
+    - main
+    - dev*
   tags:
     include:
     - v*