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Merge "qcedev: check num_fds during unmap"

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qctecmdr 2022-11-13 22:15:20 -08:00 • committed by Gerrit - the friendly Code Review server
commit 48ca3a82d1
1 changed files with 9 additions and 1 deletions
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10
drivers/crypto/msm/qcedev.c
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@ -1916,7 +1916,9 @@ long qcedev_ioctl(struct file *file,
goto exit_free_qcedev_areq;
}
if (map_buf.num_fds > QCEDEV_MAX_BUFFERS) {
if (map_buf.num_fds > ARRAY_SIZE(map_buf.fd)) {
pr_err("%s: err: num_fds = %d exceeds max value\n",
__func__, map_buf.num_fds);
err = -EINVAL;
goto exit_free_qcedev_areq;
}
@ -1956,6 +1958,12 @@ long qcedev_ioctl(struct file *file,
err = -EFAULT;
goto exit_free_qcedev_areq;
}
if (unmap_buf.num_fds > ARRAY_SIZE(unmap_buf.fd)) {
pr_err("%s: err: num_fds = %d exceeds max value\n",
__func__, unmap_buf.num_fds);
err = -EINVAL;
goto exit_free_qcedev_areq;
}
for (i = 0; i < unmap_buf.num_fds; i++) {
err = qcedev_check_and_unmap_buffer(handle,