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spf=pass (imf03.hostedemail.com: domain of yuzhao@google.com designates 209.85.221.175 as permitted sender) smtp.mailfrom=yuzhao@google.com X-Stat-Signature: z8xncxtiac3z8g89f5zhpnck5ie9dk4p X-Rspamd-Queue-Id: 800BC20032 X-Rspam-User: Authentication-Results: imf03.hostedemail.com; dkim=pass header.d=google.com header.s=20210112 header.b=iGkyswE2; dmarc=pass (policy=reject) header.from=google.com; spf=pass (imf03.hostedemail.com: domain of yuzhao@google.com designates 209.85.221.175 as permitted sender) smtp.mailfrom=yuzhao@google.com X-Rspamd-Server: rspam06 X-HE-Tag: 1658037475-870791 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000015, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Sat, Jul 16, 2022 at 10:20 PM Andrew Morton wrote: > > On Sun, 17 Jul 2022 02:46:32 +0000 Liam Howlett wrote: ... > gap = mas.index; > gap += (info->align_offset - gap) & info->align_mask; > - VM_BUG_ON(gap + info->length > info->high_limit); > - VM_BUG_ON(gap + info->length > mas.last); These VM_BUG_ONs are new, and I hit the second one quickly: kernel BUG at mm/mmap.c:1631! RIP: 0010:vm_unmapped_area+0xdb/0x1c0 Call Trace: arch_get_unmapped_area+0x1ee/0x220 arch_get_unmapped_area_topdown+0x25a/0x290 get_unmapped_area+0x92/0x100 do_mmap+0x13f/0x560 vm_mmap_pgoff+0xcd/0x170