fix stream deep sanitization with deleted records (#8568)

When sanitizing the stream listpack, we need to count the deleted records too.
otherwise the last line that checks the next pointer fails.

Add test to cover that state in the stream tests.

1 files changed, 2 insertions, 1 deletions

diff --git a/src/t_stream.c b/src/t_stream.c
index 4a425fd78..18138bec5 100644
--- a/src/t_stream.c
+++ b/src/t_stream.c
@@ -3570,7 +3570,7 @@ int streamValidateListpackIntegrity(unsigned char *lp, size_t size, int deep) {
     p = next; if (!lpValidateNext(lp, &next, size)) return 0;
 
     /* deleted */
-    lpGetIntegerIfValid(p, &valid_record);
+    int64_t deleted_count = lpGetIntegerIfValid(p, &valid_record);
     if (!valid_record) return 0;
     p = next; if (!lpValidateNext(lp, &next, size)) return 0;
 
@@ -3589,6 +3589,7 @@ int streamValidateListpackIntegrity(unsigned char *lp, size_t size, int deep) {
     if (!valid_record || zero != 0) return 0;
     p = next; if (!lpValidateNext(lp, &next, size)) return 0;
 
+    entry_count += deleted_count;
     while (entry_count--) {
         if (!p) return 0;
         int64_t fields = master_fields, extra_fields = 3;