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authorJason Gunthorpe <jgg@nvidia.com>2023-04-04 11:03:24 -0300
committerJason Gunthorpe <jgg@nvidia.com>2023-04-04 11:04:30 -0300
commit692d42d411b7db6a76382537fccbee3a12a2bcdb (patch)
tree24770529cf173188bc5d2d0d9331c0ac723b631e /kernel/fork.c
parentc52159b5be7894540acdc7a35791c0b57097fa4c (diff)
parent13a0d1ae7ee6b438f5537711a8c60cba00554943 (diff)
Merge branch 'iommufd/for-rc' into for-next
The following selftest patch requires both the bug fixes and the improvements of the selftest framework. * iommufd/for-rc: iommufd: Do not corrupt the pfn list when doing batch carry iommufd: Fix unpinning of pages when an access is present iommufd: Check for uptr overflow Linux 6.3-rc5 Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'kernel/fork.c')
-rw-r--r--kernel/fork.c7
1 files changed, 1 insertions, 6 deletions
diff --git a/kernel/fork.c b/kernel/fork.c
index f68954d05e89..c0257cbee093 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -755,11 +755,6 @@ static void check_mm(struct mm_struct *mm)
for (i = 0; i < NR_MM_COUNTERS; i++) {
long x = percpu_counter_sum(&mm->rss_stat[i]);
- if (likely(!x))
- continue;
-
- /* Making sure this is not due to race with CPU offlining. */
- x = percpu_counter_sum_all(&mm->rss_stat[i]);
if (unlikely(x))
pr_alert("BUG: Bad rss-counter state mm:%p type:%s val:%ld\n",
mm, resident_page_types[i], x);
@@ -2936,7 +2931,7 @@ static bool clone3_args_valid(struct kernel_clone_args *kargs)
* - make the CLONE_DETACHED bit reusable for clone3
* - make the CSIGNAL bits reusable for clone3
*/
- if (kargs->flags & (CLONE_DETACHED | CSIGNAL))
+ if (kargs->flags & (CLONE_DETACHED | (CSIGNAL & (~CLONE_NEWTIME))))
return false;
if ((kargs->flags & (CLONE_SIGHAND | CLONE_CLEAR_SIGHAND)) ==