samba/SOURCES/101-orabug36371906-s3-passdb-fix-memleak-in-pdb_tdb.patch

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2024-06-14 07:15:05 +00:00
From 18913d384edb8c49c69501fd6db5511312614594 Mon Sep 17 00:00:00 2001
From: Andreas Schneider <asn@samba.org>
Date: Fri, 27 Oct 2023 12:09:53 +0200
Subject: [PATCH] s3:passdb: Do not leak memory in pdb_tdb
==19938==ERROR: LeakSanitizer: detected memory leaks
Direct leak of 77 byte(s) in 1 object(s) allocated from:
#0 0x7f7d482841f8 in strdup (/lib64/libasan.so.8+0x841f8) (BuildId: 3e1694ad218c99a8b1b69231666a27df63cf19d0)
#1 0x7f7d47204846 (bin/shared/libsamba-util.so.0+0x4c846) (BuildId: 43b084eb9013442ac68eb1fc17649f142cbb0f94)
#2 0x7f7d40b1d97a in pdb_init_tdbsam ../../source3/passdb/pdb_tdb.c:1361
#3 0x7f7d4715f266 (bin/shared/libsamba-passdb.so.0+0x76266) (BuildId: 13d2858e2217592a22a4ee9203fef759d52df733)
#4 0x7f7d4715f57a (bin/shared/libsamba-passdb.so.0+0x7657a) (BuildId: 13d2858e2217592a22a4ee9203fef759d52df733)
#5 0x7f7d47163700 (bin/shared/libsamba-passdb.so.0+0x7a700) (BuildId: 13d2858e2217592a22a4ee9203fef759d52df733)
#6 0x55a9177d3853 in main ../../source3/smbd/server.c:1928
#7 0x7f7d434281af in __libc_start_call_main ../sysdeps/nptl/libc_start_call_main.h:58
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Orabug: 36371906
Signed-off-by: Shaleen Bathla <shaleen.bathla@oracle.com>
Reviewed-by: Laurence Rochfort <laurence.rochfort@oracle.com>
---
source3/passdb/pdb_tdb.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/source3/passdb/pdb_tdb.c b/source3/passdb/pdb_tdb.c
index 4c578f8069d..f9ba193df3b 100644
--- a/source3/passdb/pdb_tdb.c
+++ b/source3/passdb/pdb_tdb.c
@@ -1346,6 +1346,9 @@ static NTSTATUS pdb_init_tdbsam(struct pdb_methods **pdb_method, const char *loc
}
pfile = tdbfile;
}
+
+ /* Do not leak memory if the init function is called more than once */
+ SAFE_FREE(tdbsam_filename);
tdbsam_filename = SMB_STRDUP(pfile);
if (!tdbsam_filename) {
return NT_STATUS_NO_MEMORY;
--