Re: [PATCH v2 1/4] copy_sighand: Handle architectures where sizeof(unsigned long) < sizeof(u64)

On Mon, Sep 1, 2025, at 15:09, Simon Schuster via B4 Relay wrote:

This commit fixes the bug by always passing clone_flags to copy_sighand via their declared u64 type, invariant of architecture-dependent integer sizes.

Fixes: b612e5df4587 ("clone3: add CLONE_CLEAR_SIGHAND") Cc: stable@vger.kernel.org # linux-5.5+ Signed-off-by: Simon Schuster schuster.simon@siemens-energy.com Reviewed-by: Lorenzo Stoakes lorenzo.stoakes@oracle.com

Reviewed-by: Arnd Bergmann arnd@arndb.de