From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f72.google.com (mail-io1-f72.google.com [209.85.166.72]) (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 69B1F14375C for ; Wed, 24 Jul 2024 09:45:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.72 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721814334; cv=none; b=kFchdaW8zGuhaOYG9EFBTyQRbqGfnD3JbUxJIK1KCvl3lYNimo4729uhRdaIr4m1Bk0bW3u6xP1ZoWnIP/7Gr2bJqlZ7woQwg7MZPgTW4mwH+QIwBmeBKTl7kO/FwjU7Lt3tCvXNvUUZeU3LGDTZTKvA3FFy3mKcLSyl5vZ5rww= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721814334; c=relaxed/simple; bh=8aIzCYRwOwUmw7oJDrQawrCy2E4NZiRH5To/4q/eZ7o=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=n4g2RTyenZU3WO2KN/DlIu78veYVYPjIiPhnk0EzpTzdchTQb/vjHMLmgkA/yVWvG5+9LoiG//zLJ3rvbAeKyOVamGMew+fk6dwF2Gk+MM+XnyxPcdW5heKJjlxuR4pyoydOTiJze58+5ssOTyM0rhRxr4ICU/V4CSDr2L+5Fao= 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=209.85.166.72 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-io1-f72.google.com with SMTP id ca18e2360f4ac-8051524c1f8so1099923339f.1 for ; Wed, 24 Jul 2024 02:45:31 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1721814330; x=1722419130; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=NmjwqPYMuxNEReWWJcD819IG0ZMFeKoGBsrLFK1PRkw=; b=Qwwk7MXPUzV4ORN+HoBVKffwpQKyDrNjFxLOtIKWmJXKioHFHn7lhpaALJfo750kTo nrDAbgR1iwPLmYVfglTStQat5+CJOoRzuPBl2xgRea8dTvELnfyeZEs5WZEwFJPLcDzu n8u2MletUP3H0VbYLODXtKydEwnP93gAGZfSn6fjpPbHNKa7IpR4bWiYXu3z13iC0GLC +MBax32jEccJqZR9mi6EuqWPBp1MEyi7KdYGXOEgKPrF/bpl+lEg/fjtAfCvubI8uNDF W9JMxxlcR4X5O6+rERm1zazu5FAEYr3o6ZTyb6pjCqLDrSrV4SV5vEpYDiG2UvVPR2vx G7kA== X-Forwarded-Encrypted: i=1; AJvYcCWhwSK8GouU8j5zD/cCV8Y1YcvfAgVB3a3jjcSuMIL0YtrLaA2FNWOej613hcFNnBws3vugYylFbSnmi03bVsVpXWs/PhEVA7kRk5rO X-Gm-Message-State: AOJu0YwQMeGIV5PqD+KmPqhNL8JnchNXzFSkkwhc0SYpAq+eOLdqBucz o/ztyN7l5K/zlN/hrFs8gLdB+yo8YfDa/g5j4uq+9C6t2baUqxqET+/qeRGsyv+w7eluB5jRpwy P24icdpdBU5PoWASCRswFpGkJv8pVNu1naPpirh4G3xJttGq2Xydewqs= X-Google-Smtp-Source: AGHT+IFAeJUUCi3HUf81q73de8KuPKXwfZE7HIKneTn6/Mi9PKXcNTrWecSm8l8GULMLURZNNZJcKO5Kx9pltl9cyip2jWbbUxvu Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:13a2:b0:381:b873:306b with SMTP id e9e14a558f8ab-39a1971a320mr1196995ab.6.1721814330487; Wed, 24 Jul 2024 02:45:30 -0700 (PDT) Date: Wed, 24 Jul 2024 02:45:30 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000089c945061dfb23e4@google.com> Subject: [syzbot] [input?] [mm?] WARNING in get_taint From: syzbot To: dmitry.torokhov@gmail.com, linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 933069701c1b Merge tag '6.11-rc-smb3-server-fixes' of git:.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=16a3dcb1980000 kernel config: https://syzkaller.appspot.com/x/.config?x=e5bbfd9a8c60696e dashboard link: https://syzkaller.appspot.com/bug?extid=a34cc64ce2f703da7c62 compiler: arm-linux-gnueabi-gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 userspace arch: arm syz repro: https://syzkaller.appspot.com/x/repro.syz?x=119babfd980000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12c02411980000 Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/8ead8862021c/non_bootable_disk-93306970.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/662be7a678a5/vmlinux-93306970.xz kernel image: https://storage.googleapis.com/syzbot-assets/1fc4540c602b/zImage-93306970.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+a34cc64ce2f703da7c62@syzkaller.appspotmail.com WARNING: CPU: 0 PID: 3006 at mm/page_alloc.c:4672 __alloc_pages_noprof+0xfbc/0x1170 mm/page_alloc.c:4672 Modules linked in: Kernel panic - not syncing: kernel: panic_on_warn set ... CPU: 0 UID: 0 PID: 3006 Comm: syz-executor872 Not tainted 6.10.0-syzkaller #0 Hardware name: ARM-Versatile Express Call trace: [<818ef10c>] (dump_backtrace) from [<818ef208>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:257) r7:00000000 r6:82622804 r5:00000000 r4:81feb1a4 [<818ef1f0>] (show_stack) from [<8190c848>] (__dump_stack lib/dump_stack.c:93 [inline]) [<818ef1f0>] (show_stack) from [<8190c848>] (dump_stack_lvl+0x54/0x7c lib/dump_stack.c:119) [<8190c7f4>] (dump_stack_lvl) from [<8190c888>] (dump_stack+0x18/0x1c lib/dump_stack.c:128) r5:00000000 r4:82863d0c [<8190c870>] (dump_stack) from [<818efcb0>] (panic+0x120/0x358 kernel/panic.c:348) [<818efb90>] (panic) from [<80241f4c>] (check_panic_on_warn kernel/panic.c:241 [inline]) [<818efb90>] (panic) from [<80241f4c>] (get_taint+0x0/0x1c kernel/panic.c:236) r3:8260c5c4 r2:00000001 r1:81fd3dfc r0:81fdb810 r7:804b3e38 [<80241ed8>] (check_panic_on_warn) from [<802420a0>] (__warn+0x7c/0x180 kernel/panic.c:735) [<80242024>] (__warn) from [<8024231c>] (warn_slowpath_fmt+0x178/0x1f4 kernel/panic.c:760) r8:00000009 r7:8200455c r6:df979c24 r5:841c3c00 r4:00000000 [<802421a8>] (warn_slowpath_fmt) from [<804b3e38>] (__alloc_pages_noprof+0xfbc/0x1170 mm/page_alloc.c:4672) r10:00000014 r9:840b0204 r8:ffffffff r7:841c3c00 r6:00000dc0 r5:00000000 r4:00000000 [<804b2e7c>] (__alloc_pages_noprof) from [<804b8f38>] (__alloc_pages_node_noprof include/linux/gfp.h:269 [inline]) [<804b2e7c>] (__alloc_pages_noprof) from [<804b8f38>] (alloc_pages_node_noprof include/linux/gfp.h:296 [inline]) [<804b2e7c>] (__alloc_pages_noprof) from [<804b8f38>] (___kmalloc_large_node+0x50/0xac mm/slub.c:4103) r10:841c3c00 r9:840b0204 r8:ffffffff r7:804c0de8 r6:00000dc0 r5:00000000 r4:00000014 [<804b8ee8>] (___kmalloc_large_node) from [<804b9b10>] (__kmalloc_large_node_noprof+0x24/0x114 mm/slub.c:4130) r7:804c0de8 r6:00000dc0 r5:ffffffff r4:80000002 [<804b9aec>] (__kmalloc_large_node_noprof) from [<804c0de8>] (__do_kmalloc_node mm/slub.c:4146 [inline]) [<804b9aec>] (__kmalloc_large_node_noprof) from [<804c0de8>] (__kmalloc_noprof+0x324/0x458 mm/slub.c:4170) r10:841c3c00 r9:840b0204 r8:841c3c00 r7:00000dc0 r6:84191400 r5:ffffffff r4:80000002 [<804c0ac4>] (__kmalloc_noprof) from [<80f696ec>] (kmalloc_noprof include/linux/slab.h:685 [inline]) [<804c0ac4>] (__kmalloc_noprof) from [<80f696ec>] (kzalloc_noprof include/linux/slab.h:807 [inline]) [<804c0ac4>] (__kmalloc_noprof) from [<80f696ec>] (input_mt_init_slots+0x60/0x1f0 drivers/input/input-mt.c:50) r10:841c3c00 r9:840b0204 r8:00000000 r7:00000000 r6:84191400 r5:00000000 r4:80000002 [<80f6968c>] (input_mt_init_slots) from [<80f98f28>] (uinput_create_device drivers/input/misc/uinput.c:328 [inline]) [<80f6968c>] (input_mt_init_slots) from [<80f98f28>] (uinput_ioctl_handler+0x9c0/0xc54 drivers/input/misc/uinput.c:904) r8:00000000 r7:00000000 r6:840b0200 r5:00000000 r4:84191400 [<80f98568>] (uinput_ioctl_handler) from [<80f991d0>] (uinput_ioctl+0x14/0x18 drivers/input/misc/uinput.c:1075) r9:00000003 r8:83f446c0 r7:00000000 r6:83f446c0 r5:00000000 r4:00005501 [<80f991bc>] (uinput_ioctl) from [<8051a210>] (vfs_ioctl fs/ioctl.c:51 [inline]) [<80f991bc>] (uinput_ioctl) from [<8051a210>] (do_vfs_ioctl fs/ioctl.c:861 [inline]) [<80f991bc>] (uinput_ioctl) from [<8051a210>] (__do_sys_ioctl fs/ioctl.c:905 [inline]) [<80f991bc>] (uinput_ioctl) from [<8051a210>] (sys_ioctl+0x134/0xda4 fs/ioctl.c:893) [<8051a0dc>] (sys_ioctl) from [<80200060>] (ret_fast_syscall+0x0/0x1c arch/arm/mm/proc-v7.S:67) Exception stack(0xdf979fa8 to 0xdf979ff0) 9fa0: ffffffff 00000000 00000003 00005501 00000000 00000000 9fc0: ffffffff 00000000 0008e050 00000036 7ef58e0c 00000000 000f4240 00000000 9fe0: 7ef58c70 7ef58c60 00010abc 0002ec20 r10:00000036 r9:841c3c00 r8:8020029c r7:00000036 r6:0008e050 r5:00000000 r4:ffffffff Rebooting in 86400 seconds.. --- 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