linux/fs/ksmbd
Namjae Jeon 7d5d8d7156 ksmbd: fix __write_overflow warning in ndr_read_string
Dan reported __write_overflow warning in ndr_read_string.

  CC [M]  fs/ksmbd/ndr.o
In file included from ./include/linux/string.h:253,
                 from ./include/linux/bitmap.h:11,
                 from ./include/linux/cpumask.h:12,
                 from ./arch/x86/include/asm/cpumask.h:5,
                 from ./arch/x86/include/asm/msr.h:11,
                 from ./arch/x86/include/asm/processor.h:22,
                 from ./arch/x86/include/asm/cpufeature.h:5,
                 from ./arch/x86/include/asm/thread_info.h:53,
                 from ./include/linux/thread_info.h:60,
                 from ./arch/x86/include/asm/preempt.h:7,
                 from ./include/linux/preempt.h:78,
                 from ./include/linux/spinlock.h:55,
                 from ./include/linux/wait.h:9,
                 from ./include/linux/wait_bit.h:8,
                 from ./include/linux/fs.h:6,
                 from fs/ksmbd/ndr.c:7:
In function memcpy,
    inlined from ndr_read_string at fs/ksmbd/ndr.c:86:2,
    inlined from ndr_decode_dos_attr at fs/ksmbd/ndr.c:167:2:
./include/linux/fortify-string.h:219:4: error: call to __write_overflow
declared with attribute error: detected write beyond size of object
    __write_overflow();
    ^~~~~~~~~~~~~~~~~~

This seems to be a false alarm because hex_attr size is always smaller
than n->length. This patch fix this warning by allocation hex_attr with
n->length.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
2021-08-27 14:03:49 -05:00
..
mgmt ksmbd: reorder and document on-disk and netlink structures in headers 2021-06-30 14:47:24 +09:00
asn1.c
asn1.h
auth.c
auth.h
connection.c ksmbd: fix typo in comment 2021-07-15 10:25:30 +09:00
connection.h ksmbd: add support for negotiating signing algorithm 2021-07-22 09:56:02 +09:00
crypto_ctx.c
crypto_ctx.h
glob.h
Kconfig ksmbd: remove select FS_POSIX_ACL in Kconfig 2021-08-13 08:18:10 +09:00
ksmbd_netlink.h ksmbd: reorder and document on-disk and netlink structures in headers 2021-06-30 14:47:24 +09:00
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
misc.h
ndr.c ksmbd: fix __write_overflow warning in ndr_read_string 2021-08-27 14:03:49 -05:00
ndr.h ksmbd: add user namespace support 2021-07-02 16:27:10 +09:00
nterr.h
ntlmssp.h
oplock.c ksmbd: remove unneeded check_context_err 2021-07-13 10:08:32 +09:00
oplock.h ksmbd: remove SMB1 oplock level macros 2021-06-30 14:43:51 +09:00
server.c ksmbd: set STATUS_INVALID_PARAMETER error status if credit charge is invalid 2021-07-19 16:20:02 +09:00
server.h ksmbd: change server config string index to enumeration 2021-06-30 14:44:01 +09:00
smb2misc.c ksmbd: move credit charge verification over smb2 request size verification 2021-07-19 16:20:04 +09:00
smb2ops.c ksmbd: add support for negotiating signing algorithm 2021-07-22 09:56:02 +09:00
smb2pdu.c ksmbd: fix permission check issue on chown and chmod 2021-08-21 23:26:34 +09:00
smb2pdu.h ksmbd: change int data type to boolean 2021-08-13 08:18:03 +09:00
smb_common.c ksmbd: Fix multi-protocol negotiation 2021-08-13 08:18:00 +09:00
smb_common.h ksmbd: change int data type to boolean 2021-08-13 08:18:03 +09:00
smbacl.c ksmbd: fix permission check issue on chown and chmod 2021-08-21 23:26:34 +09:00
smbacl.h ksmbd: add user namespace support 2021-07-02 16:27:10 +09:00
smbfsctl.h
smbstatus.h
transport_ipc.c ksmbd: fix kernel oops in ksmbd_rpc_ioctl/rap() 2021-07-03 08:02:18 +09:00
transport_ipc.h
transport_rdma.c ksmbd: smbd: fix kernel oops during server shutdown 2021-08-13 08:18:13 +09:00
transport_rdma.h ksmbd: fix typo of MS-SMBD 2021-07-22 09:55:58 +09:00
transport_tcp.c ksmbd: Fix potential memory leak in tcp_destroy_socket() 2021-07-23 13:10:55 +09:00
transport_tcp.h
unicode.c
unicode.h
uniupr.h
vfs_cache.c ksmbd: free ksmbd_lock when file is closed 2021-07-10 16:23:50 +09:00
vfs_cache.h ksmbd: free ksmbd_lock when file is closed 2021-07-10 16:23:50 +09:00
vfs.c ksmbd: remove select FS_POSIX_ACL in Kconfig 2021-08-13 08:18:10 +09:00
vfs.h ksmbd: uninterruptible wait for a file being unlocked 2021-07-10 16:23:56 +09:00
xattr.h ksmbd: reorder and document on-disk and netlink structures in headers 2021-06-30 14:47:24 +09:00