Messages in this thread Patch in this message | | | From | Naoya Horiguchi <> | Subject | [RESEND][PATCH v5 2/3] fix hugetlb memory check in vma_dump_size() | Date | Wed, 10 Apr 2013 12:17:48 -0400 |
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Documentation/filesystems/proc.txt says about coredump_filter bitmask,
Note bit 0-4 doesn't effect any hugetlb memory. hugetlb memory are only effected by bit 5-6.
However current code can go into the subsequent flag checks of bit 0-4 for vma(VM_HUGETLB). So this patch inserts 'return' and makes it work as written in the document.
Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Reviewed-by: Rik van Riel <riel@redhat.com> Acked-by: Michal Hocko <mhocko@suse.cz> Reviewed-by: HATAYAMA Daisuke <d.hatayama@jp.fujitsu.com> Acked-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: stable@vger.kernel.org --- fs/binfmt_elf.c | 1 + 1 file changed, 1 insertion(+)
diff --git v3.9-rc3.orig/fs/binfmt_elf.c v3.9-rc3/fs/binfmt_elf.c index 3939829..86af964 100644 --- v3.9-rc3.orig/fs/binfmt_elf.c +++ v3.9-rc3/fs/binfmt_elf.c @@ -1137,6 +1137,7 @@ static unsigned long vma_dump_size(struct vm_area_struct *vma, goto whole; if (!(vma->vm_flags & VM_SHARED) && FILTER(HUGETLB_PRIVATE)) goto whole; + return 0; } /* Do not dump I/O mapped devices or special mappings */ -- 1.7.11.7
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