From: Bruno Faccini <bruno.faccini@xxxxxxxxx> Prior to this patch undefined flags bits and out of range archive id can be set. Signed-off-by: Bruno Faccini <bruno.faccini@xxxxxxxxx> Reviewed-on: http://review.whamcloud.com/13337 Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-5757 Reviewed-by: frank zago <fzago@xxxxxxxx> Reviewed-by: Henri Doreau <henri.doreau@xxxxxx> Signed-off-by: Oleg Drokin <oleg.drokin@xxxxxxxxx> --- drivers/staging/lustre/lustre/include/lustre/lustre_idl.h | 7 +++++++ drivers/staging/lustre/lustre/llite/file.c | 9 +++++++++ 2 files changed, 16 insertions(+) diff --git a/drivers/staging/lustre/lustre/include/lustre/lustre_idl.h b/drivers/staging/lustre/lustre/include/lustre/lustre_idl.h index e79af19..9416d95 100644 --- a/drivers/staging/lustre/lustre/include/lustre/lustre_idl.h +++ b/drivers/staging/lustre/lustre/include/lustre/lustre_idl.h @@ -365,6 +365,13 @@ static inline __u64 fid_ver_oid(const struct lu_fid *fid) return ((__u64)fid_ver(fid) << 32 | fid_oid(fid)); } +/* copytool uses a 32b bitmask field to encode archive-Ids during register + * with MDT thru kuc. + * archive num = 0 => all + * archive num from 1 to 32 + */ +#define LL_HSM_MAX_ARCHIVE (sizeof(__u32) * 8) + /** * Note that reserved SEQ numbers below 12 will conflict with ldiskfs * inodes in the IGIF namespace, so these reserved SEQ numbers can be diff --git a/drivers/staging/lustre/lustre/llite/file.c b/drivers/staging/lustre/lustre/llite/file.c index e332326..b610032 100644 --- a/drivers/staging/lustre/lustre/llite/file.c +++ b/drivers/staging/lustre/lustre/llite/file.c @@ -2118,12 +2118,21 @@ static int ll_hsm_state_set(struct inode *inode, struct hsm_state_set *hss) struct md_op_data *op_data; int rc; + /* Detect out-of range masks */ + if ((hss->hss_setmask | hss->hss_clearmask) & ~HSM_FLAGS_MASK) + return -EINVAL; + /* Non-root users are forbidden to set or clear flags which are * NOT defined in HSM_USER_MASK. */ if (((hss->hss_setmask | hss->hss_clearmask) & ~HSM_USER_MASK) && !capable(CFS_CAP_SYS_ADMIN)) return -EPERM; + /* Detect out-of range archive id */ + if ((hss->hss_valid & HSS_ARCHIVE_ID) && + (hss->hss_archive_id > LL_HSM_MAX_ARCHIVE)) + return -EINVAL; + op_data = ll_prep_md_op_data(NULL, inode, NULL, NULL, 0, 0, LUSTRE_OPC_ANY, hss); if (IS_ERR(op_data)) -- 2.1.0 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
