From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id AB97CC0015E for ; Tue, 4 Jul 2023 14:02:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231288AbjGDOCC (ORCPT ); Tue, 4 Jul 2023 10:02:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35802 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231716AbjGDOBi (ORCPT ); Tue, 4 Jul 2023 10:01:38 -0400 Received: from mail-pg1-f208.google.com (mail-pg1-f208.google.com [209.85.215.208]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DC6391728 for ; Tue, 4 Jul 2023 07:01:17 -0700 (PDT) Received: by mail-pg1-f208.google.com with SMTP id 41be03b00d2f7-55b406bbd77so5309280a12.2 for ; Tue, 04 Jul 2023 07:01:17 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1688479275; x=1691071275; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=OAJrIpPYsWuzkKicppsd7MNNDIGXlm7pXpjIQFZBeio=; b=YGUheaWSTPNdvZHFHZ63YhPge6WXemQnQH51pVPSKnpa+Jteu6NuGGJIAslL3Dar15 27F0UX0LDtFgnUr9BHugEoio0754UOCXxgB2NM7wwIiZAehdXZRZrQI8Y/r6z1+4731w xlTP7A+nIF5A5AizewZhrVb9nualDggxjTVE9hG08Nb5I8SmDRCbdxW4JBZNAHR8JCpr HTMEeVqU3XE2dyQ5glQj6tMLE0oAXArFKL6RGOhjfgcMwClmdBz3jzU3iZEnUeqzT2uI 37MbfJqCicS6JuC+4kl0MYuDN+XKjZZBMuicTfbTYOP1QM1HsW7wZFkl/+BSyKh7LvlR RjoA== X-Gm-Message-State: ABy/qLYtFrlDUwFqBrD79XW8Fzxx1aDr3iZpDXtzrE9p61CmCCRhtjP2 6bVUf9IBvz/MLV97Yh5iZppc978MVqgyMjBA76F6hECoHy6Y X-Google-Smtp-Source: APBJJlGX4eLqwacKHZtmGRo7GlT1QTl55Rjvwfiq4SMYYmeIA3CYU2tiLQdewQDtU+lFVqZ/KMRTt3ByDYq2La4t9QO2UdnWjMpr MIME-Version: 1.0 X-Received: by 2002:a63:5c02:0:b0:553:b2a0:4ddd with SMTP id q2-20020a635c02000000b00553b2a04dddmr7882265pgb.2.1688479275716; Tue, 04 Jul 2023 07:01:15 -0700 (PDT) Date: Tue, 04 Jul 2023 07:01:15 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000007096ce05ffa9b7aa@google.com> Subject: [syzbot] [arm?] BUG: unable to handle kernel paging request in invoke_syscall From: syzbot To: catalin.marinas@arm.com, keescook@chromium.org, linux-arm-kernel@lists.infradead.org, linux-hardening@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com, will@kernel.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot found the following issue on: HEAD commit: 3a8a670eeeaa Merge tag 'net-next-6.5' of git://git.kernel... git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=1652699f280000 kernel config: https://syzkaller.appspot.com/x/.config?x=ce7f4ca96cdf82c7 dashboard link: https://syzkaller.appspot.com/bug?extid=a5638594f1bc152f1200 compiler: aarch64-linux-gnu-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 userspace arch: arm64 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1645c714a80000 Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/384ffdcca292/non_bootable_disk-3a8a670e.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/a940531a9b86/vmlinux-3a8a670e.xz kernel image: https://storage.googleapis.com/syzbot-assets/4f3cbae5be61/Image-3a8a670e.gz.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+a5638594f1bc152f1200@syzkaller.appspotmail.com Unable to handle kernel paging request at virtual address bfff800082cebd10 Mem abort info: ESR = 0x0000000086000004 EC = 0x21: IABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x04: level 0 translation fault swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000042480000 [bfff800082cebd10] pgd=10000000bffff803, p4d=10000000bffff803, pud=10000000bfffe803, pmd=1000000043834003, pte=0068000048f30f07 Internal error: Oops: 0000000086000004 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 3234 Comm: udevd Not tainted 6.4.0-syzkaller-04247-g3a8a670eeeaa #0 Hardware name: linux,dummy-virt (DT) pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : 0xbfff800082cebd10 lr : 0xffff800082cebd10 sp : ffff800082cf3df0 x29: ffff800082cf3df0 x28: f9ff00000705af40 x27: 0000000000000000 x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000 x23: 0000000060000000 x22: 0000ffffa736068c x21: 00000000ffffffff x20: f9ff00000705af40 x19: ffff800082cf3eb0 x18: 0000000000000000 x17: 0000000000000000 x16: 0000000000000000 x15: ffff800082cf3c88 x14: 0000000000000000 x13: 0000000000001000 x12: 0000000000000000 x11: 0000000000000000 x10: 0000000000000701 x9 : 0000000600000000 x8 : 000000001dcd6500 x7 : 0000000000000027 x6 : 0000ffffef8c1df8 x5 : 0000ffffef8c1df8 x4 : 0000000000000008 x3 : 0000000000000000 x2 : 0000000000000000 x1 : f9ff00000705af40 x0 : 0000000000000000 Call trace: 0xbfff800082cebd10 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x48/0x114 arch/arm64/kernel/syscall.c:52 el0_svc_common.constprop.0+0x44/0xe4 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x38/0xa4 arch/arm64/kernel/syscall.c:191 el0_svc+0x2c/0xb0 arch/arm64/kernel/entry-common.c:647 el0t_64_sync_handler+0xc0/0xc4 arch/arm64/kernel/entry-common.c:665 el0t_64_sync+0x19c/0x1a0 arch/arm64/kernel/entry.S:591 Code: 00000002 00000000 eed50f00 041d12ac (82cebd30) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: 00000002 udf #2 4: 00000000 udf #0 8: eed50f00 .inst 0xeed50f00 ; undefined c: 041d12ac .inst 0x041d12ac ; undefined * 10: 82cebd30 .inst 0x82cebd30 ; undefined <-- trapping instruction --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the bug is already fixed, let syzbot know by replying with: #syz fix: exact-commit-title If you want syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing. If you want to change bug's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the bug is a duplicate of another bug, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup