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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2018-05-12 03:04:12 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-05-12 03:04:12 +0200 |
| commit | f0ab773f5c96c29a5227234c4b5a820f5591b74d (patch) | |
| tree | a98d6190989c2190e522b8d1966727125bcbcbb3 /init | |
| parent | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net (diff) | |
| parent | rbtree: include rcu.h (diff) | |
| download | linux-f0ab773f5c96c29a5227234c4b5a820f5591b74d.tar.xz linux-f0ab773f5c96c29a5227234c4b5a820f5591b74d.zip | |
Merge branch 'akpm' (patches from Andrew)
Merge misc fixes from Andrew Morton:
"13 fixes"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
rbtree: include rcu.h
scripts/faddr2line: fix error when addr2line output contains discriminator
ocfs2: take inode cluster lock before moving reflinked inode from orphan dir
mm, oom: fix concurrent munlock and oom reaper unmap, v3
mm: migrate: fix double call of radix_tree_replace_slot()
proc/kcore: don't bounds check against address 0
mm: don't show nr_indirectly_reclaimable in /proc/vmstat
mm: sections are not offlined during memory hotremove
z3fold: fix reclaim lock-ups
init: fix false positives in W+X checking
lib/find_bit_benchmark.c: avoid soft lockup in test_find_first_bit()
KASAN: prohibit KASAN+STRUCTLEAK combination
MAINTAINERS: update Shuah's email address
Diffstat (limited to 'init')
| -rw-r--r-- | init/main.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/init/main.c b/init/main.c index a404936d85d8..fd37315835b4 100644 --- a/init/main.c +++ b/init/main.c @@ -1034,6 +1034,13 @@ __setup("rodata=", set_debug_rodata); static void mark_readonly(void) { if (rodata_enabled) { + /* + * load_module() results in W+X mappings, which are cleaned up + * with call_rcu_sched(). Let's make sure that queued work is + * flushed so that we don't hit false positives looking for + * insecure pages which are W+X. + */ + rcu_barrier_sched(); mark_rodata_ro(); rodata_test(); } else |