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| author |   Jakub Kicinski <kuba@kernel.org> | 2023-06-15 22:18:58 -0700 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2023-06-15 22:19:41 -0700 |
| commit | 173780ff18a93298ca84224cc79df69f9cc198ce (patch) | |
| tree | 5584d6e60e0bfb581dbfaf922ef3e28809ad68f8 /fs/smb/server/smb_common.c | |
| parent | leds: trigger: netdev: uninitialized variable in netdev_trig_activate() (diff) | |
| parent | Merge tag 'net-6.4-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net (diff) | |
| download | wireguard-linux-173780ff18a93298ca84224cc79df69f9cc198ce.tar.xz wireguard-linux-173780ff18a93298ca84224cc79df69f9cc198ce.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR.
Conflicts:
include/linux/mlx5/driver.h
617f5db1a626 ("RDMA/mlx5: Fix affinity assignment")
dc13180824b7 ("net/mlx5: Enable devlink port for embedded cpu VF vports")
https://lore.kernel.org/all/20230613125939.595e50b8@canb.auug.org.au/
tools/testing/selftests/net/mptcp/mptcp_join.sh
47867f0a7e83 ("selftests: mptcp: join: skip check if MIB counter not supported")
425ba803124b ("selftests: mptcp: join: support RM_ADDR for used endpoints or not")
45b1a1227a7a ("mptcp: introduces more address related mibs")
0639fa230a21 ("selftests: mptcp: add explicit check for new mibs")
https://lore.kernel.org/netdev/20230609-upstream-net-20230610-mptcp-selftests-support-old-kernels-part-3-v1-0-2896fe2ee8a3@tessares.net/
No adjacent changes.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'fs/smb/server/smb_common.c')
| -rw-r--r-- | fs/smb/server/smb_common.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/fs/smb/server/smb_common.c b/fs/smb/server/smb_common.c index af0c2a9b8529..569e5eecdf3d 100644 --- a/fs/smb/server/smb_common.c +++ b/fs/smb/server/smb_common.c @@ -158,7 +158,19 @@ int ksmbd_verify_smb_message(struct ksmbd_work *work) */ bool ksmbd_smb_request(struct ksmbd_conn *conn) { - return conn->request_buf[0] == 0; + __le32 *proto = (__le32 *)smb2_get_msg(conn->request_buf); + + if (*proto == SMB2_COMPRESSION_TRANSFORM_ID) { + pr_err_ratelimited("smb2 compression not support yet"); + return false; + } + + if (*proto != SMB1_PROTO_NUMBER && + *proto != SMB2_PROTO_NUMBER && + *proto != SMB2_TRANSFORM_PROTO_NUM) + return false; + + return true; } static bool supported_protocol(int idx) |