From: Niu Yawei <[email protected]> To avoid potential security problems, non-privileged users should have no permission to run 'lfs changelog' & 'lfs changelog_clear'.
Signed-off-by: Niu Yawei <[email protected]> Reviewed-on: http://review.whamcloud.com/14280 Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-6415 Reviewed-by: Lai Siyao <[email protected]> Reviewed-by: Jinshan Xiong <[email protected]> Signed-off-by: Oleg Drokin <[email protected]> --- 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 _______________________________________________ devel mailing list [email protected] http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
