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linux/fs/ksmbd
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Namjae Jeon bb5bf157b5 ksmbd: replace one-element array with flex-array member in struct smb2_ea_info 
commit 0ba5439d9afa2722e7728df56f272c89987540a4 upstream.

UBSAN complains about out-of-bounds array indexes on 1-element arrays in
struct smb2_ea_info.

UBSAN: array-index-out-of-bounds in fs/smb/server/smb2pdu.c:4335:15
index 1 is out of range for type 'char [1]'
CPU: 1 PID: 354 Comm: kworker/1:4 Not tainted 6.5.0-rc4 #1
Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop
Reference Platform, BIOS 6.00 07/22/2020
Workqueue: ksmbd-io handle_ksmbd_work [ksmbd]
Call Trace:
 <TASK>
 __dump_stack linux/lib/dump_stack.c:88
 dump_stack_lvl+0x48/0x70 linux/lib/dump_stack.c:106
 dump_stack+0x10/0x20 linux/lib/dump_stack.c:113
 ubsan_epilogue linux/lib/ubsan.c:217
 __ubsan_handle_out_of_bounds+0xc6/0x110 linux/lib/ubsan.c:348
 smb2_get_ea linux/fs/smb/server/smb2pdu.c:4335
 smb2_get_info_file linux/fs/smb/server/smb2pdu.c:4900
 smb2_query_info+0x63ae/0x6b20 linux/fs/smb/server/smb2pdu.c:5275
 __process_request linux/fs/smb/server/server.c:145
 __handle_ksmbd_work linux/fs/smb/server/server.c:213
 handle_ksmbd_work+0x348/0x10b0 linux/fs/smb/server/server.c:266
 process_one_work+0x85a/0x1500 linux/kernel/workqueue.c:2597
 worker_thread+0xf3/0x13a0 linux/kernel/workqueue.c:2748
 kthread+0x2b7/0x390 linux/kernel/kthread.c:389
 ret_from_fork+0x44/0x90 linux/arch/x86/kernel/process.c:145
 ret_from_fork_asm+0x1b/0x30 linux/arch/x86/entry/entry_64.S:304
 </TASK>

Cc: stable@vger.kernel.org
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-09-06 21:28:37 +01:00
..
mgmt
ksmbd: fix racy issue while destroying session on multichannel
2023-05-17 11:50:28 +02:00
asn1.c
…
asn1.h
…
auth.c
ksmbd: fix deadlock in ksmbd_find_crypto_ctx()
2023-05-17 11:50:29 +02:00
auth.h
ksmbd: fix racy issue while destroying session on multichannel
2023-05-17 11:50:28 +02:00
connection.c
ksmbd: allocate one more byte for implied bcc[0]
2023-05-24 17:36:54 +01:00
connection.h
ksmbd: fix racy issue while destroying session on multichannel
2023-05-17 11:50:28 +02:00
crypto_ctx.c
ksmbd: remove NTLMv1 authentication
2021-09-29 16:17:34 -05:00
crypto_ctx.h
ksmbd: remove NTLMv1 authentication
2021-09-29 16:17:34 -05:00
glob.h
ksmbd: fix version mismatch with out of tree
2021-10-07 10:18:34 -05:00
Kconfig
ksmbd: set unique value to volume serial field in FS_VOLUME_INFORMATION
2021-11-18 19:16:07 +01:00
ksmbd_netlink.h
ksmbd: add max connections parameter
2023-02-01 08:27:24 +01:00
ksmbd_spnego_negtokeninit.asn1
…
ksmbd_spnego_negtokentarg.asn1
…
ksmbd_work.c
ksmbd: reorder and document on-disk and netlink structures in headers
2021-06-30 14:47:24 +09:00
ksmbd_work.h
ksmbd: change data type of volatile/persistent id to u64
2021-07-09 08:23:16 +09:00
Makefile
…
misc.c
ksmbd: missing check for NULL in convert_to_nt_pathname()
2021-09-30 20:00:05 -05:00
misc.h
ksmbd: use LOOKUP_BENEATH to prevent the out of share access
2021-09-24 21:25:23 -05:00
ndr.c
ksmbd: downgrade ndr version error message to debug
2023-02-01 08:27:24 +01:00
ndr.h
ksmbd: add user namespace support
2021-07-02 16:27:10 +09:00
nterr.h
…
ntlmssp.h
…
oplock.c
ksmbd: fix wrong DataOffset validation of create context
2023-09-06 21:28:37 +01:00
oplock.h
ksmbd: fix global-out-of-bounds in smb2_find_context_vals
2023-05-24 17:36:54 +01:00
server.c
ksmbd: validate session id and tree id in the compound request
2023-07-23 13:47:39 +02:00
server.h
ksmbd: add max connections parameter
2023-02-01 08:27:24 +01:00
smb2misc.c
ksmbd: validate command request size
2023-08-16 18:21:57 +02:00
smb2ops.c
ksmbd: add support for smb2 max credit parameter
2022-01-27 11:02:53 +01:00
smb2pdu.c
ksmbd: replace one-element array with flex-array member in struct smb2_ea_info
2023-09-06 21:28:37 +01:00
smb2pdu.h
ksmbd: replace one-element array with flex-array member in struct smb2_ea_info
2023-09-06 21:28:37 +01:00
smb_common.c
ksmbd: avoid field overflow warning
2023-07-23 13:47:18 +02:00
smb_common.h
ksmbd: fix racy issue while destroying session on multichannel
2023-05-17 11:50:28 +02:00
smbacl.c
ksmbd: fix heap-based overflow in set_ntacl_dacl()
2022-08-21 15:17:48 +02:00
smbacl.h
ksmbd: fix heap-based overflow in set_ntacl_dacl()
2022-08-21 15:17:48 +02:00
smbfsctl.h
…
smbstatus.h
…
transport_ipc.c
ksmbd: add max connections parameter
2023-02-01 08:27:24 +01:00
transport_ipc.h
ksmbd: throttle session setup failures to avoid dictionary attacks
2021-10-20 00:07:10 -05:00
transport_rdma.c
ksmbd: don't terminate inactive sessions after a few seconds
2023-04-05 11:24:52 +02:00
transport_rdma.h
ksmbd: add smbd max io size parameter
2023-02-01 08:27:24 +01:00
transport_tcp.c
ksmbd: don't terminate inactive sessions after a few seconds
2023-04-05 11:24:52 +02:00
transport_tcp.h
…
unicode.c
…
unicode.h
…
uniupr.h
…
vfs_cache.c
ksmbd: fix racy issue while destroying session on multichannel
2023-05-17 11:50:28 +02:00
vfs_cache.h
ksmbd: remove unused ksmbd_file_table_flush function
2021-09-03 23:29:45 -05:00
vfs.c
ksmbd: remove internal.h include
2023-08-03 10:22:30 +02:00
vfs.h
ksmbd: don't align last entry offset in smb2 query directory
2022-02-23 12:03:18 +01:00
xattr.h
ksmbd: reorder and document on-disk and netlink structures in headers
2021-06-30 14:47:24 +09:00