[PATCH 0/3] arm64: mte: Coredump fixes

[Will Deacon]

On Thu, 22 Dec 2022 18:12:48 +0000, Catalin Marinas wrote:
> As reported by Seth, there are two bugs in the arm64 MTE coredump code.
> The first is a double freeing of the temporary tag storage object on an
> error condition. The second is the racy traversing of the vma list and
> fixing it required adding a struct coredump_params * parameter to the
> elf_core_extra_phdrs() and elf_core_extra_data_size() functions. This
> way the arm64 code can use the vma snapshot saved in cprm rather than
> iterating over the vma list.
> 
> [...]

Applied to arm64 (for-next/fixes), thanks!

[1/3] arm64: mte: Fix double-freeing of the temporary tag storage during coredump
      https://git.kernel.org/arm64/c/736eedc974ea
[2/3] elfcore: Add a cprm parameter to elf_core_extra_{phdrs,data_size}
      https://git.kernel.org/arm64/c/19e183b54528
[3/3] arm64: mte: Avoid the racy walk of the vma list during core dump
      https://git.kernel.org/arm64/c/4f4c549feb4e

Cheers,
-- 
Will

https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev