The patch titled
Subject: inotify-actually-check-for-invalid-bits-in-sys_inotify_add_watch-v2
has been removed from the -mm tree. Its filename was
inotify-actually-check-for-invalid-bits-in-sys_inotify_add_watch-v2.patch
This patch was dropped because it was folded into inotify-actually-check-for-invalid-bits-in-sys_inotify_add_watch.patch
------------------------------------------------------
From: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>
Subject: inotify-actually-check-for-invalid-bits-in-sys_inotify_add_watch-v2
Signed-off-by: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>
Cc: John McCutchan <john@xxxxxxxxxxxxxxxxx>
Cc: Robert Love <rlove@xxxxxxxxx>
Cc: Eric Paris <eparis@xxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/notify/inotify/inotify_user.c | 13 +++++++++++--
1 file changed, 11 insertions(+), 2 deletions(-)
diff -puN fs/notify/inotify/inotify_user.c~inotify-actually-check-for-invalid-bits-in-sys_inotify_add_watch-v2 fs/notify/inotify/inotify_user.c
--- a/fs/notify/inotify/inotify_user.c~inotify-actually-check-for-invalid-bits-in-sys_inotify_add_watch-v2
+++ a/fs/notify/inotify/inotify_user.c
@@ -706,10 +706,19 @@ SYSCALL_DEFINE3(inotify_add_watch, int,
int ret;
unsigned flags = 0;
- /* don't allow invalid bits: we don't want flags set */
+ /*
+ * We share a lot of code with fs/dnotify. We also share
+ * the bit layout between inotify's IN_* and the fsnotify
+ * FS_*. This check ensures that only the inotify IN_*
+ * bits get passed in and set in watches/events.
+ */
if (unlikely(mask & ~ALL_INOTIFY_BITS))
return -EINVAL;
- /* require at least one valid bit set in the mask */
+ /*
+ * Require at least one valid bit set in the mask.
+ * Without _something_ set, we would have no events to
+ * watch for.
+ */
if (unlikely(!(mask & ALL_INOTIFY_BITS)))
return -EINVAL;
_
Patches currently in -mm which might be from dave.hansen@xxxxxxxxxxxxxxx are
inotify-hide-internal-kernel-bits-from-fdinfo.patch
inotify-actually-check-for-invalid-bits-in-sys_inotify_add_watch.patch
mm-hugetlb-use-memory-policy-when-available.patch
mm-hugetlb-use-memory-policy-when-available-fix.patch
mm-hugetlbfs-optimize-when-numa=n.patch
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