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bh=byeYWXj6yolKWlKTfBi1/ykakpCaZGf7Apb0T8ezLhs=; b=S+i2ezUJPXnPW51loEpwdzTuwXgAg53vhteEz8aGmNQDWIBsiN6CwpZFVc/UfL1IrybqVx mRbnS9n4RNQ1oMKq0XYNAe6zrFntn4BuE7wiVjlgyjF/D1ZVt/uyOr1lQzJSVHsUsyqCrP oYKFc5bs22GgiP+W4bOr4Hq6u42IzUqGPAyq8/wF2W3dBF29U+kXw0cl81OZ6B5VHTHygl uRJffUND7IJx7gqdo1A2hniJhAIuNekyv0pcM2MSN1qy2Z9fZkpxVolhvt5cD/N+kkRJMU 644HFzjyTjaJIBNoC4ZawyWDPujmYnprpWzST9qrad9LkwMuz+IdNnyfkIv0ZA== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1724164676; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=byeYWXj6yolKWlKTfBi1/ykakpCaZGf7Apb0T8ezLhs=; b=6xWpS0XXe4uIPdWYbLDTogHrn1vZ4iAUgkPrs6+Y/ZEYk+s9aqLhf8Y13FLFkJoMK0Z0mc C+xMPHPkuw8fd4AQ== To: kernel test robot Cc: oe-lkp@lists.linux.dev, lkp@intel.com, linux-kernel@vger.kernel.org, x86@kernel.org, Max Ramanouski , Alistair Popple , Dan Williams , Kees Cook , linux-mm@kvack.org, oliver.sang@intel.com Subject: Re: [tip:x86/urgent] [x86/kaslr] dfb3911c36: kernel_BUG_at_arch/x86/mm/physaddr.c In-Reply-To: <877ccbl840.ffs@tglx> References: <202408201529.498d4d4d-lkp@intel.com> <877ccbl840.ffs@tglx> Date: Tue, 20 Aug 2024 16:37:56 +0200 Message-ID: <87seuzjm4b.ffs@tglx> MIME-Version: 1.0 Content-Type: text/plain X-Rspamd-Server: rspam03 X-Rspam-User: X-Rspamd-Queue-Id: 6A684100024 X-Stat-Signature: xda6yf7749kj4ssr7876cxhbee4bmzre X-HE-Tag: 1724164681-480145 X-HE-Meta: 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 x2p6KQPi 1CU43QXWvp9oUTPWIsStRxkYu1EA+eg+2ax+0bgsgxmbh8h5HUvnDnpbEx64yMWu+uCGarbpNmfFkPYOXvCVhxo4PeEM8t6J66oC2M/VvRQFJkcQF1PP+rbfVCvBqCskmmY2DXg1FAptP97eFX5QxQqoWW8foHyF+IpJmD8G8nkYNXajyYI++AmVdaQ== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Tue, Aug 20 2024 at 13:57, Thomas Gleixner wrote: > On Tue, Aug 20 2024 at 15:16, kernel test robot wrote: > /* > * KASLR trims the maximum possible size of the > * direct-map. Update the physmem_end boundary. > + * No rounding required as the region starts > + * PUD aligned and size is in units of TB. > */ > if (kaslr_regions[i].end) > - *kaslr_regions[i].end = __pa(vaddr) - 1; > + *kaslr_regions[i].end = __pa_nodebug(vaddr - 1); > + > + /* Add a minimum padding based on randomization alignment. */ > + vaddr = round_up(vaddr + 1, PUD_SIZE); Due to the guaranteed PUD alignment of vaddr this round_up() is actually pointless and just should be vaddr += PUD_SIZE; No? Thanks, tglx