The patch titled
Subject: hugetlbfs-check-for-pgoff-value-overflow-v3-fix-fix
has been added to the -mm tree. Its filename is
hugetlbfs-check-for-pgoff-value-overflow-v3-fix-fix.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/hugetlbfs-check-for-pgoff-value-overflow-v3-fix-fix.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/hugetlbfs-check-for-pgoff-value-overflow-v3-fix-fix.patch
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*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
The -mm tree is included into linux-next and is updated
there every 3-4 working days
------------------------------------------------------
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: hugetlbfs-check-for-pgoff-value-overflow-v3-fix-fix
fix -ve left shift count on sh
Cc: "Kirill A . Shutemov" <kirill.shutemov@xxxxxxxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxxxx>
Cc: Mike Kravetz <mike.kravetz@xxxxxxxxxx>
Cc: Nic Losby <blurbdust@xxxxxxxxx>
Cc: Yisheng Xie <xieyisheng1@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/hugetlbfs/inode.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff -puN fs/hugetlbfs/inode.c~hugetlbfs-check-for-pgoff-value-overflow-v3-fix-fix fs/hugetlbfs/inode.c
--- a/fs/hugetlbfs/inode.c~hugetlbfs-check-for-pgoff-value-overflow-v3-fix-fix
+++ a/fs/hugetlbfs/inode.c
@@ -115,7 +115,8 @@ static void huge_pagevec_release(struct
* value. The extra bit (- 1 in the shift value) is to take the sign
* bit into account.
*/
-#define PGOFF_LOFFT_MAX (PAGE_MASK << (BITS_PER_LONG - (2 * PAGE_SHIFT) - 1))
+#define PGOFF_LOFFT_MAX \
+ (((1UL << (PAGE_SHIFT + 1)) - 1) << (BITS_PER_LONG - (PAGE_SHIFT + 1)))
static int hugetlbfs_file_mmap(struct file *file, struct vm_area_struct *vma)
{
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
i-need-old-gcc.patch
mm-mempolicy-avoid-use-uninitialized-preferred_node-fix.patch
hugetlbfs-check-for-pgoff-value-overflow-v3-fix.patch
hugetlbfs-check-for-pgoff-value-overflow-v3-fix-fix.patch
mm-remove-unused-arg-from-memblock_next_valid_pfn.patch
arm-arch-arm-include-asm-pageh-needs-personalityh.patch
ocfs2-without-quota-support-try-to-avoid-calling-quota-recovery-checkpatch-fixes.patch
mm.patch
mm-initialize-pages-on-demand-during-boot-fix-4-fix.patch
mm-initialize-pages-on-demand-during-boot-v5-fix.patch
mm-initialize-pages-on-demand-during-boot-v6-checkpatch-fixes.patch
mm-page_alloc-skip-over-regions-of-invalid-pfns-on-uma-fix.patch
direct-io-minor-cleanups-in-do_blockdev_direct_io-fix.patch
mm-fix-races-between-swapoff-and-flush-dcache-fix.patch
include-linux-mmdebugh-fix-vm_warn-with-config_debug_vm=n.patch
mm-hugetlbc-clean-up-vm_warn-usage.patch
list_lru-prefetch-neighboring-list-entries-before-acquiring-lock-fix.patch
mm-oom-cgroup-aware-oom-killer-fix.patch
mm-oom-docs-describe-the-cgroup-aware-oom-killer-fix-2-fix.patch
proc-add-seq_put_decimal_ull_width-to-speed-up-proc-pid-smaps-fix.patch
ipc-clamp-semmni-to-the-real-ipcmni-limit-fix.patch
linux-next-rejects.patch
linux-next-fixup.patch
drivers-infiniband-core-verbsc-fix-build-with-gcc-444.patch
drivers-infiniband-ulp-srpt-ib_srptc-fix-build-with-gcc-444.patch
fs-fsnotify-account-fsnotify-metadata-to-kmemcg-fix.patch
headers-untangle-kmemleakh-from-mmh-fix.patch
kernel-forkc-export-kernel_thread-to-modules.patch
slab-leaks3-default-y.patch
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