Re: [PATCH v2 1/4] copy_sighand: Handle architectures where sizeof(unsigned long) < sizeof(u64)
From: "Arnd Bergmann" <arnd@arndb.de>
Date: 2025-09-01 13:20:00
Also in:
cgroups, linux-alpha, linux-block, linux-fsdevel, linux-m68k, linux-mips, linux-mm, linux-perf-users, linux-riscv, linux-s390, linux-security-module, linux-sh, linux-trace-kernel, linux-um, lkml, loongarch, netdev, selinux, sparclinux, stable
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 <redacted>Reviewed-by: Arnd Bergmann <arnd@arndb.de>