> On 12/16/2025 6:20 AM Anirudh Rayabharam <[email protected]> wrote: > > > From: Anirudh Rayabharam (Microsoft) <[email protected]> > > In the region invalidation failure path in > mshv_region_interval_invalidate(), the region mutex is not released. Fix > it by releasing the mutex in the failure path. > > Signed-off-by: Anirudh Rayabharam (Microsoft) <[email protected]>
Reviewed-by: Roman Kisel <[email protected]> > --- > drivers/hv/mshv_regions.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/drivers/hv/mshv_regions.c b/drivers/hv/mshv_regions.c > index 8abf80129f9b..30bacba6aec3 100644 > --- a/drivers/hv/mshv_regions.c > +++ b/drivers/hv/mshv_regions.c > @@ -511,7 +511,7 @@ static bool mshv_region_interval_invalidate(struct > mmu_interval_notifier *mni, > ret = mshv_region_remap_pages(region, HV_MAP_GPA_NO_ACCESS, > page_offset, page_count); > if (ret) > - goto out_fail; > + goto out_unlock; > > mshv_region_invalidate_pages(region, page_offset, page_count); > > @@ -519,6 +519,8 @@ static bool mshv_region_interval_invalidate(struct > mmu_interval_notifier *mni, > > return true; > > +out_unlock: > + mutex_unlock(®ion->mutex); > out_fail: > WARN_ONCE(ret, > "Failed to invalidate region %#llx-%#llx (range %#lx-%#lx, > event: %u, pages %#llx-%#llx, mm: %#llx): %d\n", > -- > 2.34.1
