Matvey Kovalev 41acc922c7 ksmbd: fix error code overwriting in smb2_get_info_filesystem() ...

[ Upstream commit 88daf2f448 ]

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>
[ adjusted file path from fs/smb/server/smb2pdu.c to fs/ksmbd/smb2pdu.c ]
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2025-10-19 16:21:51 +02:00

..

mgmt

ksmbd: fix multichannel connection failure

2025-04-10 14:32:02 +02:00

asn1.c

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asn1.h

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auth.c

ksmbd: use aead_request_free to match aead_request_alloc

2025-04-10 14:32:02 +02:00

auth.h

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connection.c

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connection.h

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crypto_ctx.c

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crypto_ctx.h

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glob.h

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Kconfig

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ksmbd_netlink.h

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ksmbd_spnego_negtokeninit.asn1

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ksmbd_spnego_negtokentarg.asn1

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ksmbd_work.c

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ksmbd_work.h

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Makefile

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misc.c

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misc.h

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ndr.c

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ndr.h

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nterr.h

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ntlmssp.h

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oplock.c

smb/server: fix potential null-ptr-deref of lease_ctx_info in smb2_open()

2025-05-02 07:44:21 +02:00

oplock.h

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server.c

ksmbd: fix racy issue from session lookup and expire

2025-01-09 13:28:41 +01:00

server.h

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smb2misc.c

ksmbd: fix potencial out-of-bounds when buffer offset is invalid

2025-05-02 07:44:20 +02:00

smb2ops.c

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smb2pdu.c

ksmbd: fix error code overwriting in smb2_get_info_filesystem()

2025-10-19 16:21:51 +02:00

smb2pdu.h

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smb_common.c

smb: server: Fix extension string in ksmbd_extract_shortname()

2025-08-28 16:24:31 +02:00

smb_common.h

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smbacl.c

ksmbd: fix incorrect validation for num_aces field of smb_acl

2025-04-10 14:32:03 +02:00

smbacl.h

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smbfsctl.h

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smbstatus.h

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transport_ipc.c

ksmbd: Prevent integer overflow in calculation of deadtime

2025-05-02 07:44:28 +02:00

transport_ipc.h

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transport_rdma.c

ksmbd: smbdirect: validate data_offset and data_length field of smb_direct_data_transfer

2025-10-02 13:39:09 +02:00

transport_rdma.h

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transport_tcp.c

ksmbd: Unlock on in ksmbd_tcp_set_interfaces()

2024-09-12 11:07:51 +02:00

transport_tcp.h

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unicode.c

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unicode.h

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uniupr.h

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vfs_cache.c

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vfs_cache.h

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vfs.c

ksmbd: fix a mount write count leak in ksmbd_vfs_kern_path_locked()

2025-07-17 18:30:53 +02:00

vfs.h

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xattr.h

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