diff options
| author | Alex Williamson <alex.williamson@redhat.com> | 2025-01-22 10:38:30 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-02-17 11:36:52 +0100 |
| commit | 198090eb6f5f094cf3a268c3c30ef1e9c84a6dbe (patch) | |
| tree | 594a780fab747d78cebae242c0e34dc437fec814 /kernel/trace/trace_functions_graph.c | |
| parent | 89048e12a3d892bb3713c7670fa3bfc0c017c33a (diff) | |
vfio/platform: check the bounds of read/write syscalls
commit ce9ff21ea89d191e477a02ad7eabf4f996b80a69 upstream.
count and offset are passed from user space and not checked, only
offset is capped to 40 bits, which can be used to read/write out of
bounds of the device.
Fixes: 6e3f26456009 (“vfio/platform: read and write support for the device fd”)
Cc: stable@vger.kernel.org
Reported-by: Mostafa Saleh <smostafa@google.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Mostafa Saleh <smostafa@google.com>
Tested-by: Mostafa Saleh <smostafa@google.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'kernel/trace/trace_functions_graph.c')
0 files changed, 0 insertions, 0 deletions