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author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-02-04 06:21:02 -0800 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-02-04 06:21:02 -0800 |
commit | a802f50d6e92298d44a806d326a2ba3eefa6db72 (patch) | |
tree | 40cafff98f5248d0121656fc538e65dc9baa64b2 /drivers/md/dm-ioctl.c | |
parent | fccc9d9233f918ee50cf2955ae7134a7f3418351 (diff) | |
parent | 54be6c6c5ae8e0d93a6c4641cb7528eb0b6ba478 (diff) | |
download | linux-stable-a802f50d6e92298d44a806d326a2ba3eefa6db72.tar.gz linux-stable-a802f50d6e92298d44a806d326a2ba3eefa6db72.tar.bz2 linux-stable-a802f50d6e92298d44a806d326a2ba3eefa6db72.zip |
Merge 6.8-rc3 into tty-next
We need the tty/serial fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/md/dm-ioctl.c')
-rw-r--r-- | drivers/md/dm-ioctl.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c index e65058e0ed06..3b1ad7127cb8 100644 --- a/drivers/md/dm-ioctl.c +++ b/drivers/md/dm-ioctl.c @@ -1941,7 +1941,8 @@ static int copy_params(struct dm_ioctl __user *user, struct dm_ioctl *param_kern minimum_data_size - sizeof(param_kernel->version))) return -EFAULT; - if (param_kernel->data_size < minimum_data_size) { + if (unlikely(param_kernel->data_size < minimum_data_size) || + unlikely(param_kernel->data_size > DM_MAX_TARGETS * DM_MAX_TARGET_PARAMS)) { DMERR("Invalid data size in the ioctl structure: %u", param_kernel->data_size); return -EINVAL; |