summaryrefslogtreecommitdiff
path: root/mm/memory.c
diff options
context:
space:
mode:
authorHans Verkuil <hverkuil-cisco@xs4all.nl>2024-04-01 10:08:18 +0200
committerHans Verkuil <hverkuil-cisco@xs4all.nl>2024-04-01 10:08:18 +0200
commitb82779648dfd3814df4e381f086326ec70fd791f (patch)
tree59868a9860d907e232275d7a5a667e91213e6aa9 /mm/memory.c
parentfe19aab844ad76a4e001082f633b1ac34f2a943d (diff)
parent39cd87c4eb2b893354f3b850f916353f2658ae6f (diff)
Merge tag 'v6.9-rc2' into media_stage
Linux 6.9-rc2 This is needed to pull in commit 11763a8598f88 ("fs/9p: fix uaf in in v9fs_stat2inode_dotl"), which fixes the broken virtme. With this fix the media regression tests can be run again without crashing.
Diffstat (limited to 'mm/memory.c')
-rw-r--r--mm/memory.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/mm/memory.c b/mm/memory.c
index f2bc6dd15eb8..904f70b99498 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -1536,7 +1536,9 @@ static inline int zap_present_ptes(struct mmu_gather *tlb,
ptep_get_and_clear_full(mm, addr, pte, tlb->fullmm);
arch_check_zapped_pte(vma, ptent);
tlb_remove_tlb_entry(tlb, pte, addr);
- VM_WARN_ON_ONCE(userfaultfd_wp(vma));
+ if (userfaultfd_pte_wp(vma, ptent))
+ zap_install_uffd_wp_if_needed(vma, addr, pte, 1,
+ details, ptent);
ksm_might_unmap_zero_page(mm, ptent);
return 1;
}