linux/include/uapi
Ming Lei 6414ab5c9c ublk: don't allow user copy for unprivileged device
commit 42aafd8b48 upstream.

UBLK_F_USER_COPY requires userspace to call write() on ublk char
device for filling request buffer, and unprivileged device can't
be trusted.

So don't allow user copy for unprivileged device.

Cc: stable@vger.kernel.org
Fixes: 1172d5b8be ("ublk: support user copy")
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20241016134847.2911721-1-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2024-10-22 15:46:27 +02:00
..
asm-generic syscalls: fix compat_sys_io_pgetevents_time64 usage 2024-07-05 09:34:04 +02:00
drm drm/amdgpu: handle gfx12 in amdgpu_display_verify_sizes 2024-09-12 11:11:43 +02:00
linux ublk: don't allow user copy for unprivileged device 2024-10-22 15:46:27 +02:00
misc Revert "misc: fastrpc: Restrict untrusted app to attach to privileged PD" 2024-08-29 17:33:10 +02:00
mtd This pull request contains updates for UBI and UBIFS 2022-10-14 18:23:23 -07:00
rdma RDMA/bnxt_re: Adds MSN table capability for Gen P7 adapters 2024-06-12 11:12:10 +02:00
scsi scsi: mpi3mr: Avoid memcpy field-spanning write WARNING 2024-05-17 12:02:11 +02:00
sound ASoC: SOF: topology: Add a token for dropping widget name in kcontrol name 2023-08-15 13:25:56 +01:00
video License cleanup: add SPDX license identifier to uapi header files with a license 2017-11-02 11:20:11 +01:00
xen xen: irqfd: Use _IOW instead of the internal _IOC() macro 2023-11-20 11:59:12 +01:00
Kbuild kbuild: re-implement Makefile.headersinst without recursion 2019-06-15 19:57:02 +09:00