diff --git a/tools/process_dump/dfx_elf.c b/tools/process_dump/dfx_elf.c
index 70d7bd934ec7620b5822a17aca15b4c467871a43..b44f982013f8ddcd9da014dd8ebcca7a43061213 100644
--- a/tools/process_dump/dfx_elf.c
+++ b/tools/process_dump/dfx_elf.c
@@ -156,6 +156,9 @@ void CreateLoadInfo(DfxElfImage *image, uint64_t vaddr, uint64_t offset)
     }
 
     LoadInfo *info = (LoadInfo *)calloc(1, sizeof(LoadInfo));
+    if (info == NULL) {
+        return;
+    }
     info->vaddr = vaddr;
     info->offset = offset;
 
diff --git a/tools/process_dump/dfx_process.c b/tools/process_dump/dfx_process.c
index 253fa97217367376b5e970cd8bf73c6c4353bfc7..433c9482c659dfbd299d60201a9f91042829f211 100644
--- a/tools/process_dump/dfx_process.c
+++ b/tools/process_dump/dfx_process.c
@@ -58,6 +58,8 @@ BOOL InitProcessWithKeyThread(DfxProcess **process, pid_t pid, DfxThread *keyThr
     (*process)->processName = calloc(1, NAME_LEN);
     if ((*process)->processName == NULL) {
         DfxLogWarn("Fail to alloc processName.");
+        free(*process);
+        *process = NULL;
         return FALSE;
     }
 
diff --git a/tools/process_dump/dfx_unwind_remote.c b/tools/process_dump/dfx_unwind_remote.c
index d1783befcf8ed138d6aaac97891b954f99c0bcf7..c61f0971b847959e44da1c65cd655c6f731eeb1c 100644
--- a/tools/process_dump/dfx_unwind_remote.c
+++ b/tools/process_dump/dfx_unwind_remote.c
@@ -61,15 +61,22 @@ BOOL UnwindThread(DfxProcess *process, DfxThread *thread)
     }
 
     unw_addr_space_t as = unw_create_addr_space(&_UPT_accessors, 0);
+    if (as == NULL) {
+        return FALSE;
+    }
+
     pid_t tid = thread->tid;
     void *context = _UPT_create(tid);
     if (context == NULL) {
-        DfxLogWarn("Fail to create context for %d.", tid);
+        unw_destroy_addr_space(as);
         return FALSE;
     }
+
     unw_cursor_t cursor;
     if (unw_init_remote(&cursor, as, context) != 0) {
         DfxLogWarn("Fail to init cursor for remote unwind.");
+        _UPT_destroy(context);
+        unw_destroy_addr_space(as);
         return FALSE;
     }
 
@@ -103,5 +110,6 @@ BOOL UnwindThread(DfxProcess *process, DfxThread *thread)
         index++;
     } while (unw_step(&cursor) > 0);
     _UPT_destroy(context);
+    unw_destroy_addr_space(as);
     return TRUE;
 }