Re: [PATCH 2/2] init: ensure that /dev/null is (nearly) always available in initramfs

Askar Safin <[email protected]> Sat, 21 Feb 2026 03:16:09 +0300

Newsgroups	org.kernel.vger.initramfs,dev.linux.lists.patches,org.kernel.vger.linux-fsdevel,org.kernel.vger.linux-kbuild,org.kernel.vger.linux-kernel
Message-ID	<[email protected]>

David Disseldorp <[email protected]>:
> It looks as though Bionic has extra logic to handle missing /dev/null
> during early boot, although it's dependent on !is_AT_SECURE:
>   https://cs.android.com/android/platform/superproject/main/+/main:bionic/libc/bionic/libc_init_common.cpp;drc=a7637a8f06f103c53d61a400a6b66f48f2da32be;l=400
> 
> I think this would be better addressed via documentation (e.g. in Bionic
> or ramfs-rootfs-initramfs.rst).

Okay, I see, current bionic behavior is good.

Okay, I agree that this /dev/null patch is not necessary.

-- 
Askar Safin