From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f207.google.com (mail-il1-f207.google.com [209.85.166.207]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 151176AB8 for ; Wed, 29 May 2024 05:34:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.207 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716960863; cv=none; b=Alo+YYfNP05XU5jF9sCdAYDEdx34c1ztgD0XE7wmC2xnF0zloGfRg3SYGtvc2Z2aoMloP0oSp03suhCHhkVcfpeaHwm9hy4jF5x0LsY6H94T4M1O44vEra6CkophO13uSwLA8AJ3mr+yPHPJWj991K/tG8lzeia9TAO2bOIz9A8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716960863; c=relaxed/simple; bh=CaNnq8k4YQZNdQbbSPcF+Z8xZlP5WMKeXXwmId6Hqek=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=lSflqV994YAIoSjl5FbPzsmbuV+vQ2rtnKrZ4mBpDUSwmTYu2fOhbpEfvLK8lp8fqJX+lOpn+n/wk8LNRkSkPZn52hz96I5YzgLLLVUXE/o5I0fXK6KDmxI/3KQwNeZZrr7AXnVf8UIek3C9tyNsUq2MHTlG5/q/Tsxxi1xBy/0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.207 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-il1-f207.google.com with SMTP id e9e14a558f8ab-3745c784b14so15846825ab.1 for ; Tue, 28 May 2024 22:34:21 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1716960861; x=1717565661; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=SrVKq70kkA6vdT3r55THcNAVMBuPTCNTiqIdDEs/nPA=; b=McMKAFaLpdGpxrukaQmr1K+eDUh/oSTqnaDxkRjON76XjE70N+4AxZoBySGvLvStj/ h8sTAmAkEAWTd5QPkNLJekKJgwMI8DhGT5q+cVzOOkM7szt6lWVZvotuLQUWH590mWYF VPsU9SKI0YSrUkJTLLltlHLHNO8a8vCOUdvzsGpNFaKMeFqoAow/E6GzCYljUPwIC5r+ MvEDvttWxoOFzimm1KiMNol3FFyylPQBcCOgSEw0FMhoKbjMH+FA2a9IuntqMry2c/oy gkUHygQSdZj4MWrg7huC1U2e9RtvCPr3v7azfoJ9pg2kfI999al5YijdviGbYDQXrbfG 5Agg== X-Gm-Message-State: AOJu0YycSORdkE6PEEsF1pzpnorMDEOskBYl8DRBttBUHlfKf7XFSSi/ Q+0uz9nUA1bljc/DtFvTcsaiZrbm/hhXAmDlluW9jg3sR/S++p4ZW0+ENuufmnDAYWFEjC1LZaV m8aq6q/fkKqQAK4t9Cl1aSSMq3UJHfP13rvHPCGR4zqrzEPtONjo9OXi3TA== X-Google-Smtp-Source: AGHT+IGAVrbHGuaHaP4ioFsVVPhJjrVuuWwH/oRUFTGS2KIUEx47sJDc3Kp5+Vu4/pEXiL1yPmFvSA7rfc+zrThwpvX+oZdLSAuY Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1b05:b0:36c:5029:1925 with SMTP id e9e14a558f8ab-3737b1cbb5dmr9693995ab.0.1716960861285; Tue, 28 May 2024 22:34:21 -0700 (PDT) Date: Tue, 28 May 2024 22:34:21 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000003afc580619911a8e@google.com> Subject: [syzbot] [kernel?] BUG: unable to handle kernel paging request in account_kernel_stack From: syzbot To: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 02c438bbfffe Merge tag 'for-6.10-tag' of git://git.kernel... git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=170c2784980000 kernel config: https://syzkaller.appspot.com/x/.config?x=21de3d423116c304 dashboard link: https://syzkaller.appspot.com/bug?extid=a30127d9bca2a4c7f8e1 compiler: aarch64-linux-gnu-gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 userspace arch: arm64 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14ce50d8980000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14c3a210980000 Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/384ffdcca292/non_bootable_disk-02c438bb.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/27e89a0db9ef/vmlinux-02c438bb.xz kernel image: https://storage.googleapis.com/syzbot-assets/e281415dcb64/Image-02c438bb.gz.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+a30127d9bca2a4c7f8e1@syzkaller.appspotmail.com Unable to handle kernel paging request at virtual address 007fc1ffc01c13c8 Mem abort info: ESR = 0x0000000096000004 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x04: level 0 translation fault Data abort info: ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000 CM = 0, WnR = 0, TnD = 0, TagAccess = 0 GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0 [007fc1ffc01c13c8] address between user and kernel address ranges Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 3194 Comm: syz-executor208 Not tainted 6.9.0-syzkaller-12220-g02c438bbfffe #0 Hardware name: linux,dummy-virt (DT) pstate: 61400009 (nZCv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--) pc : _compound_head include/linux/page-flags.h:245 [inline] pc : mod_lruvec_page_state include/linux/vmstat.h:567 [inline] pc : account_kernel_stack.isra.0+0x28/0x70 kernel/fork.c:541 lr : exit_task_stack_account+0x24/0x58 kernel/fork.c:554 sp : ffff80008909bcf0 x29: ffff80008909bcf0 x28: f1f0000004970000 x27: f5f0000002ce8000 x26: 0000000000000000 x25: f1f00000049705a8 x24: f1f0000004970600 x23: ffff80008909b7d8 x22: f6f0000007025780 x21: 00000000fffffffc x20: f1f0000004970000 x19: 0000000000000000 x18: fff07ffffd331000 x17: 0000000000000001 x16: ffff8000825c1e80 x15: 0000000000000002 x14: 00000000000003e7 x13: 0000000000000000 x12: ffff8000825e0028 x11: 0000000000000001 x10: 269097da788856a7 x9 : ba2b45ada449d75b x8 : f1f00000049711d8 x7 : 0000000000000004 x6 : 0000000000000190 x5 : 00000000000f0510 x4 : 0000000000000041 x3 : fbf0000006650900 x2 : 0000000000000001 x1 : 00000000ffffffff x0 : ff7fc1ffc01c13c0 Call trace: account_kernel_stack.isra.0+0x28/0x70 kernel/fork.c:541 exit_task_stack_account+0x24/0x58 kernel/fork.c:554 do_exit+0x580/0x98c kernel/exit.c:915 do_group_exit+0x34/0x90 kernel/exit.c:1023 __do_sys_exit_group kernel/exit.c:1034 [inline] __se_sys_exit_group kernel/exit.c:1032 [inline] pid_child_should_wake+0x0/0x5c kernel/exit.c:1032 __invoke_syscall arch/arm64/kernel/syscall.c:34 [inline] invoke_syscall+0x48/0x118 arch/arm64/kernel/syscall.c:48 el0_svc_common.constprop.0+0x40/0xe0 arch/arm64/kernel/syscall.c:133 do_el0_svc+0x1c/0x28 arch/arm64/kernel/syscall.c:152 el0_svc+0x34/0xf8 arch/arm64/kernel/entry-common.c:712 el0t_64_sync_handler+0x100/0x12c arch/arm64/kernel/entry-common.c:730 el0t_64_sync+0x19c/0x1a0 arch/arm64/kernel/entry.S:598 Code: a90153f3 d2800013 f94012c3 f8736860 (f9400403) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: a90153f3 stp x19, x20, [sp, #16] 4: d2800013 mov x19, #0x0 // #0 8: f94012c3 ldr x3, [x22, #32] c: f8736860 ldr x0, [x3, x19] * 10: f9400403 ldr x3, [x0, #8] <-- 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 report is already addressed, 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 overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup