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7d5d8d7156
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>
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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 | ||