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authorStefan Metzmacher <metze@samba.org>2025-09-18 03:06:46 +0200
committerSteve French <stfrench@microsoft.com>2025-09-18 16:46:04 -0500
commitdaac51c7032036a0ca5f1aa419ad1b0471d1c6e0 (patch)
tree5f755bcc2db9093f4501d70f9ccda972f240705e
parent251090e2c2c1be60607d1c521af2c993f04d4f61 (diff)
smb: client: fix smbdirect_recv_io leak in smbd_negotiate() error path
During tests of another unrelated patch I was able to trigger this error: Objects remaining on __kmem_cache_shutdown() Cc: Steve French <smfrench@gmail.com> Cc: Tom Talpey <tom@talpey.com> Cc: Long Li <longli@microsoft.com> Cc: Namjae Jeon <linkinjeon@kernel.org> Cc: linux-cifs@vger.kernel.org Cc: samba-technical@lists.samba.org Fixes: f198186aa9bb ("CIFS: SMBD: Establish SMB Direct connection") Signed-off-by: Stefan Metzmacher <metze@samba.org> Signed-off-by: Steve French <stfrench@microsoft.com>
-rw-r--r--fs/smb/client/smbdirect.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/smb/client/smbdirect.c b/fs/smb/client/smbdirect.c
index 1f3d64145863..e0fce5033004 100644
--- a/fs/smb/client/smbdirect.c
+++ b/fs/smb/client/smbdirect.c
@@ -1108,8 +1108,10 @@ static int smbd_negotiate(struct smbd_connection *info)
log_rdma_event(INFO, "smbd_post_recv rc=%d iov.addr=0x%llx iov.length=%u iov.lkey=0x%x\n",
rc, response->sge.addr,
response->sge.length, response->sge.lkey);
- if (rc)
+ if (rc) {
+ put_receive_buffer(info, response);
return rc;
+ }
init_completion(&info->negotiate_completion);
info->negotiate_done = false;