From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f199.google.com (mail-il1-f199.google.com [209.85.166.199]) (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 96656194AE2 for ; Wed, 9 Oct 2024 13:48:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.199 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728481707; cv=none; b=Witd/hH5erNdUVg2GMkOlO9K1OheY2tiHlshhxVkWBVTPsjg9MsNq7SWPKaqyUZ1si/vzC14Zj84NjoVGilv5cDnMZXNVFpLqECxOST0Ebo/3DNNgN3L5QUFLagSamHTcs0XZuwoNH6fzyTVdfMrNaFU22dLlu93xm8s3346iDg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728481707; c=relaxed/simple; bh=gASEXiZR66bIA/k4cHkwbKLHltIkFeNNC/Gi3e2bsuU=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=HFtExir79zTE5V69p/AFoT0T+DYQvAiKzau+snddJsbbwC64PWaBLAFX5u02BIna6yVdqXjUWaZpjhegsGDOagg9h4d7+6MZyBlwgZm7nn4CUI1OeNeHk/YsXW7G5o07WGSgdvkcD3uer9sehZNvSPcDdLflYjNSL6vZg+juqkE= 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=209.85.166.199 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-f199.google.com with SMTP id e9e14a558f8ab-3a1925177fdso79462345ab.3 for ; Wed, 09 Oct 2024 06:48:25 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1728481705; x=1729086505; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=KW6iitnhrdxBBikdTOFclZWe4/hWRw3Ieoda0j2XAM0=; b=RG15KqiESyuujthfFNKAgfCkAAlMIKtwypd7Znf98d7Lag3DDFTn2ANRkIrJZKoysH OoQ7rXdNSWRZtjh9pbWyCSZObtxofug++TlrcqNprKqY+U/kmTTYCGo5sTYb+rqw+DFb ZL82qWx88yzRMax5havjnOui4TMoTi4nKI6yD4L6bgl7r/bwldatmpl1Nw9inFlUb9yd 4EfSHEKwE5ybENpxFuF9Ie2zt5CFyUNK+3J3v1u/l44HdSgTV2DjRLnLjjb1x+0haexm jQGUl/iSPlmKU8DfnpyNihg8gh0prREu3TOc1kOqvvWJ3X2wDrdYWkm7ojQfkcdRzmcj wYpg== X-Forwarded-Encrypted: i=1; AJvYcCVqMQBDfi2ItN13GpJYuizHeSdGEYtRY/3+Czcqw9efqXLk4Bpj6FHWrp5wPDmYKVzLTsJ5DhuG1V88Y2M=@vger.kernel.org X-Gm-Message-State: AOJu0YwEU0jHmdhnrT3XQFUji6N5aATMdqkMdLM2e0T3aQQOZoXkdsHc s82oK4RLT5P9z+j+aILd8TXra1QjAMHPlPO8DLMzzN4zkuNROJOlcZv4ChmaBTK1OSqvurZhGJU S/pjA6Te1PkgXO/+yzebXl7US/AOdweE0/LBXa4YyzSKUZveKyinEp84= X-Google-Smtp-Source: AGHT+IG5JEIuLJwUtyBsinNP2mTDyUISUgPaE2+buwDKV7XSwd97X7JfIR2ztJzlmSDl+maQ+yhTqdB9PWlW9fbHzJwUrBsO2M1J Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1c07:b0:3a0:926a:8d31 with SMTP id e9e14a558f8ab-3a397d10f9bmr29600295ab.16.1728481704766; Wed, 09 Oct 2024 06:48:24 -0700 (PDT) Date: Wed, 09 Oct 2024 06:48:24 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <670689a8.050a0220.67064.0045.GAE@google.com> Subject: [syzbot] [btrfs?] BUG: sleeping function called from invalid context in getname_kernel From: syzbot To: clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, 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: 33ce24234fca Add linux-next specific files for 20241008 git tree: linux-next console+strace: https://syzkaller.appspot.com/x/log.txt?x=14771780580000 kernel config: https://syzkaller.appspot.com/x/.config?x=4750ca93740b938d dashboard link: https://syzkaller.appspot.com/bug?extid=02a127be2df04bdc5df0 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=112f97d0580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=101d4f9f980000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/ee8dc2df0c57/disk-33ce2423.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/dc473c0fa06e/vmlinux-33ce2423.xz kernel image: https://storage.googleapis.com/syzbot-assets/4671f1ca2e61/bzImage-33ce2423.xz mounted in repro: https://storage.googleapis.com/syzbot-assets/9876580e56ab/mount_0.gz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+02a127be2df04bdc5df0@syzkaller.appspotmail.com BUG: sleeping function called from invalid context at include/linux/sched/mm.h:330 in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 5233, name: udevd preempt_count: 0, expected: 0 RCU nest depth: 1, expected: 0 INFO: lockdep is turned off. CPU: 1 UID: 0 PID: 5233 Comm: udevd Not tainted 6.12.0-rc2-next-20241008-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 __might_resched+0x5d4/0x780 kernel/sched/core.c:8638 might_alloc include/linux/sched/mm.h:330 [inline] slab_pre_alloc_hook mm/slub.c:4062 [inline] slab_alloc_node mm/slub.c:4140 [inline] kmem_cache_alloc_noprof+0x61/0x380 mm/slub.c:4167 getname_kernel+0x59/0x2f0 fs/namei.c:234 kern_path+0x1d/0x50 fs/namei.c:2716 is_same_device fs/btrfs/volumes.c:812 [inline] device_list_add+0xc64/0x1ea0 fs/btrfs/volumes.c:947 btrfs_scan_one_device+0xab5/0xd90 fs/btrfs/volumes.c:1538 btrfs_control_ioctl+0x165/0x3e0 fs/btrfs/super.c:2264 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl+0xf9/0x170 fs/ioctl.c:893 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7faa2bb1ad49 Code: 5c c3 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 76 10 48 8b 15 ae 60 0d 00 f7 d8 41 83 c8 RSP: 002b:00007ffd55ec91e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faa2bb1ad49 RDX: 00007ffd55ec91f8 RSI: 0000000090009427 RDI: 0000000000000009 RBP: 0000000000000009 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd55eca238 R14: 000055773bb412a0 R15: 00007ffd55ecaf58 --- 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