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linux/fs/smb
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Matvey Kovalev a71c0924c3 ksmbd: fix error code overwriting in smb2_get_info_filesystem() 
commit 88daf2f448 upstream.

If client doesn't negotiate with SMB3.1.1 POSIX Extensions,
then proper error code won't be returned due to overwriting.

Return error immediately.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Fixes: e2f34481b2 ("cifsd: add server-side procedures for SMB3")
Cc: stable@vger.kernel.org
Signed-off-by: Matvey Kovalev <matvey.kovalev@ispras.ru>
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2025-10-15 11:56:40 +02:00
..
client smb: client: fix smbdirect_recv_io leak in smbd_negotiate() error path 2025-09-25 10:58:54 +02:00
common ksmbd: return FILE_DEVICE_DISK instead of super magic 2024-07-25 09:49:19 +02:00
server ksmbd: fix error code overwriting in smb2_get_info_filesystem() 2025-10-15 11:56:40 +02:00
Kconfig smb: move client and server files to common directory fs/smb 2023-06-28 11:12:40 +02:00
Makefile smb: move client and server files to common directory fs/smb 2023-06-28 11:12:40 +02:00