linux-kernel - [PATCH v4 0/3] crash: Fix crash memory reserve exceed system memory bug

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <20240722035701.696874-1-ruanjinjie@huawei.com>
Date: Mon, 22 Jul 2024 11:56:58 +0800
From: Jinjie Ruan <ruanjinjie@...wei.com>
To: <linux@...linux.org.uk>, <paul.walmsley@...ive.com>, <palmer@...belt.com>,
	<aou@...s.berkeley.edu>, <tglx@...utronix.de>, <mingo@...hat.com>,
	<bp@...en8.de>, <dave.hansen@...ux.intel.com>, <hpa@...or.com>,
	<arnd@...db.de>, <gregkh@...uxfoundation.org>, <deller@....de>,
	<javierm@...hat.com>, <bhe@...hat.com>, <robh@...nel.org>,
	<alexghiti@...osinc.com>, <bjorn@...osinc.com>, <akpm@...ux-foundation.org>,
	<namcao@...utronix.de>, <dawei.li@...ngroup.cn>, <chenjiahao16@...wei.com>,
	<rppt@...nel.org>, <julian.stecklina@...erus-technology.de>,
	<rafael.j.wysocki@...el.com>, <linux-arm-kernel@...ts.infradead.org>,
	<linux-riscv@...ts.infradead.org>, <linux-kernel@...r.kernel.org>
CC: <ruanjinjie@...wei.com>
Subject: [PATCH v4 0/3] crash: Fix crash memory reserve exceed system memory bug

On x86_32, arm32 and riscv32, the crash memory reserve may exceed system
memory and display "reserved ok", fix it.

changes in v4:
- Update the warn info to align with parse_crashkernel_mem().
- Rebased on the "ARM: Use generic interface to simplify crashkernel
  reservation" patch.
- Also fix for riscv32.
- Update the commit message.

changes in v3:
- Handle the check in reserve_crashkernel() Baoquan suggested.
- Split x86_32 and arm32.
- Add Suggested-by.
- Drop the wrong fix tag.

changes in v2:
- Also fix for x86_32.
- Update the fix method.
- Peel off the other two patches.
- Update the commit message.

Jinjie Ruan (3):
  x86/kexec: Fix crash memory reserve exceed system memory bug
  ARM: Fix crash memory reserve exceed system memory bug
  riscv: kdump: Fix crash memory reserve exceed system memory bug

 arch/arm/kernel/setup.c | 5 +++++
 arch/riscv/mm/init.c    | 5 +++++
 arch/x86/kernel/setup.c | 5 +++++
 3 files changed, 15 insertions(+)

-- 
2.34.1