linux-stable/net/9p
Dominique Martinet 391c18cf77 9p/xen: check logical size for buffer size
trans_xen did not check the data fits into the buffer before copying
from the xen ring, but we probably should.
Add a check that just skips the request and return an error to
userspace if it did not fit

Tested-by: Stefano Stabellini <sstabellini@kernel.org>
Reviewed-by: Christian Schoenebeck <linux_oss@crudebyte.com>
Link: https://lkml.kernel.org/r/20221118135542.63400-1-asmadeus@codewreck.org
Signed-off-by: Dominique Martinet <asmadeus@codewreck.org>
2022-11-23 14:01:27 +09:00
..
client.c net/9p: allocate appropriate reduced message buffers 2022-10-05 07:05:41 +09:00
error.c 9p: fix a bunch of checkpatch warnings 2021-11-04 21:04:25 +09:00
Kconfig 9p/trans_fd: split into dedicated module 2022-01-10 09:58:30 +09:00
Makefile 9p/trans_fd: split into dedicated module 2022-01-10 09:58:30 +09:00
mod.c net/p9: load default transports 2022-01-10 10:00:09 +09:00
protocol.c net/9p: add p9_msg_buf_size() 2022-10-05 07:05:41 +09:00
protocol.h net/9p: add p9_msg_buf_size() 2022-10-05 07:05:41 +09:00
trans_common.c 9p: fix file headers 2021-11-03 17:45:04 +09:00
trans_common.h 9p: fix a bunch of checkpatch warnings 2021-11-04 21:04:25 +09:00
trans_fd.c 9p/fd: Use P9_HDRSZ for header size 2022-11-18 22:57:34 +09:00
trans_rdma.c net/9p: add 'pooled_rbuffers' flag to struct p9_trans_module 2022-10-05 07:05:41 +09:00
trans_virtio.c net/9p: add 'pooled_rbuffers' flag to struct p9_trans_module 2022-10-05 07:05:41 +09:00
trans_xen.c 9p/xen: check logical size for buffer size 2022-11-23 14:01:27 +09:00