Merge tag 'powerpc-4.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc...

[karo-tx-linux.git] / fs / binfmt_elf.c

diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
index 2472af2798c735d056d26775a17906db707aa9a7..e6c1bd44380633046e3172662dd23db54f49326d 100644 (file)
--- a/fs/binfmt_elf.c
+++ b/fs/binfmt_elf.c
@@ -2204,7 +2204,9 @@ static int elf_core_dump(struct coredump_params *cprm)
 
        dataoff = offset = roundup(offset, ELF_EXEC_PAGESIZE);
 
-       vma_filesz = kmalloc_array(segs - 1, sizeof(*vma_filesz), GFP_KERNEL);
+       if (segs - 1 > ULONG_MAX / sizeof(*vma_filesz))
+               goto end_coredump;
+       vma_filesz = vmalloc((segs - 1) * sizeof(*vma_filesz));
        if (!vma_filesz)
                goto end_coredump;
 
@@ -2311,7 +2313,7 @@ end_coredump:
 cleanup:
        free_note_info(&info);
        kfree(shdr4extnum);
-       kfree(vma_filesz);
+       vfree(vma_filesz);
        kfree(phdr4note);
        kfree(elf);
 out: