From: Alex Markuze <amarkuze@redhat.com>
Date: Sun, 16 Mar 2025 19:08:26 +0000 (+0000)
Subject: bug fix
X-Git-Url: http://git.apps.os.sepia.ceph.com/?a=commitdiff_plain;h=e043972dfcde1e5a34115b9ac7434853fb4a5664;p=ceph-client.git

bug fix
---

diff --git a/net/ceph/ceph_san_logger.c b/net/ceph/ceph_san_logger.c
index 6e9eb8c547ace..3bb0f7b06e840 100644
--- a/net/ceph/ceph_san_logger.c
+++ b/net/ceph/ceph_san_logger.c
@@ -135,6 +135,7 @@ void ceph_san_log(const char *file, unsigned int line, const char *fmt, ...)
     while (!alloc) {
         entry = cephsan_pagefrag_get_ptr_from_tail(&ctx->pf);
         BUG_ON(entry->debug_poison != CEPH_SAN_LOG_ENTRY_POISON);
+        BUG_ON(entry->len == 0);
         cephsan_pagefrag_free(&ctx->pf, entry->len);
         alloc = cephsan_pagefrag_alloc(&ctx->pf, sizeof(*entry) + len + 1);
     }
@@ -149,7 +150,7 @@ void ceph_san_log(const char *file, unsigned int line, const char *fmt, ...)
     entry->ts = jiffies;
     entry->line = line;
     entry->file = file;
-    entry->len = len;
+    entry->len = len + sizeof(*entry) + 1;
 }
 EXPORT_SYMBOL(ceph_san_log);