From: Niu Yawei <yawei....@intel.com> To avoid potential security problems, non-privileged users should have no permission to run 'lfs changelog' & 'lfs changelog_clear'.
Signed-off-by: Niu Yawei <yawei....@intel.com> Reviewed-on: http://review.whamcloud.com/14280 Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-6415 Reviewed-by: Lai Siyao <lai.si...@intel.com> Reviewed-by: Jinshan Xiong <jinshan.xi...@intel.com> Signed-off-by: Oleg Drokin <oleg.dro...@intel.com> --- drivers/staging/lustre/lustre/llite/dir.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/staging/lustre/lustre/llite/dir.c b/drivers/staging/lustre/lustre/llite/dir.c index d407fcc..cc6f0f5 100644 --- a/drivers/staging/lustre/lustre/llite/dir.c +++ b/drivers/staging/lustre/lustre/llite/dir.c @@ -1734,6 +1734,9 @@ out_quotactl: } case OBD_IOC_CHANGELOG_SEND: case OBD_IOC_CHANGELOG_CLEAR: + if (!capable(CFS_CAP_SYS_ADMIN)) + return -EPERM; + rc = copy_and_ioctl(cmd, sbi->ll_md_exp, (void *)arg, sizeof(struct ioc_changelog)); return rc; -- 2.1.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
