diff options
Diffstat (limited to 'fs/binfmt_elf.c')
| -rw-r--r-- | fs/binfmt_elf.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c index 2472af2798c7..e6c1bd443806 100644 --- 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: |