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eb3e28c1e8
The kernel is globally removing the ambiguous 0-length and 1-element
arrays in favor of flexible arrays, so that we can gain both compile-time
and run-time array bounds checking[1].
Replace the trailing 1-element array with a flexible array in the
following structures:
struct smb2_err_rsp
struct smb2_tree_connect_req
struct smb2_negotiate_rsp
struct smb2_sess_setup_req
struct smb2_sess_setup_rsp
struct smb2_read_req
struct smb2_read_rsp
struct smb2_write_req
struct smb2_write_rsp
struct smb2_query_directory_req
struct smb2_query_directory_rsp
struct smb2_set_info_req
struct smb2_change_notify_rsp
struct smb2_create_rsp
struct smb2_query_info_req
struct smb2_query_info_rsp
Replace the trailing 1-element array with a flexible array, but leave
the existing structure padding:
struct smb2_file_all_info
struct smb2_lock_req
Adjust all related size calculations to match the changes to sizeof().
No machine code output or .data section differences are produced after
these changes.
[1] For lots of details, see both:
https://docs.kernel.org/process/deprecated.html#zero-length-and-one-element-arrays
https://people.kernel.org/kees/bounded-flexible-arrays-in-c
Cc: Steve French <sfrench@samba.org>
Cc: Paulo Alcantara <pc@cjr.nz>
Cc: Ronnie Sahlberg <lsahlber@redhat.com>
Cc: Shyam Prasad N <sprasad@microsoft.com>
Cc: Tom Talpey <tom@talpey.com>
Cc: Namjae Jeon <linkinjeon@kernel.org>
Cc: Sergey Senozhatsky <senozhatsky@chromium.org>
Cc: linux-cifs@vger.kernel.org
Cc: samba-technical@lists.samba.org
Reviewed-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
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|---|---|---|
| .. | ||
| mgmt | ||
| asn1.c | ||
| asn1.h | ||
| auth.c | ||
| auth.h | ||
| connection.c | ||
| connection.h | ||
| crypto_ctx.c | ||
| crypto_ctx.h | ||
| glob.h | ||
| Kconfig | ||
| ksmbd_netlink.h | ||
| ksmbd_spnego_negtokeninit.asn1 | ||
| ksmbd_spnego_negtokentarg.asn1 | ||
| ksmbd_work.c | ||
| ksmbd_work.h | ||
| Makefile | ||
| misc.c | ||
| misc.h | ||
| ndr.c | ||
| ndr.h | ||
| nterr.h | ||
| ntlmssp.h | ||
| oplock.c | ||
| oplock.h | ||
| server.c | ||
| server.h | ||
| smb2misc.c | ||
| smb2ops.c | ||
| smb2pdu.c | ||
| smb2pdu.h | ||
| smb_common.c | ||
| smb_common.h | ||
| smbacl.c | ||
| smbacl.h | ||
| smbfsctl.h | ||
| smbstatus.h | ||
| transport_ipc.c | ||
| transport_ipc.h | ||
| transport_rdma.c | ||
| transport_rdma.h | ||
| transport_tcp.c | ||
| transport_tcp.h | ||
| unicode.c | ||
| unicode.h | ||
| uniupr.h | ||
| vfs_cache.c | ||
| vfs_cache.h | ||
| vfs.c | ||
| vfs.h | ||
| xattr.h | ||