diff options
Diffstat (limited to 'mm/mprotect.c')
-rw-r--r-- | mm/mprotect.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/mm/mprotect.c b/mm/mprotect.c index 0c5d6d06107d..516b1d847e2c 100644 --- a/mm/mprotect.c +++ b/mm/mprotect.c @@ -236,9 +236,11 @@ static long change_pte_range(struct mmu_gather *tlb, } else if (is_pte_marker_entry(entry)) { /* * Ignore error swap entries unconditionally, - * because any access should sigbus anyway. + * because any access should sigbus/sigsegv + * anyway. */ - if (is_poisoned_swp_entry(entry)) + if (is_poisoned_swp_entry(entry) || + is_guard_swp_entry(entry)) continue; /* * If this is uffd-wp pte marker and we'd like @@ -810,7 +812,7 @@ static int do_mprotect_pkey(unsigned long start, size_t len, break; } - if (map_deny_write_exec(vma, newflags)) { + if (map_deny_write_exec(vma->vm_flags, newflags)) { error = -EACCES; break; } |