From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f208.google.com (mail-il1-f208.google.com [209.85.166.208]) (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 9C62AB64E for ; Sat, 8 Jun 2024 04:19:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.208 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717820372; cv=none; b=K9Bjf+JzqZCNycNyzKNsO1weA/RQ3uFa5LW7eLEFUBRA+oWTdXVGr/lDg6EVph/xPRDowljeJz1d+akTkHVGlu9oThZTLaPnE41xQu0PzUTc9fjECiQiUBovGr60i1RM92cb0xGIPHQhR9rv+YiFo8CByl1k5EDfcNZ/15EsltY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717820372; c=relaxed/simple; bh=X0teV559jlfZtNFTdn0vczKwkiEC69CYvIAxRsiPpCA=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=mud+UnwVpxuTlZDHKzDotlint2LFPbxXUMIscpJoQf2W4GYdIDXxCuVU5ZzUJNtUv34HdDT4m+fKutUmdFVfqyme72U3oYCYahLjkAv/mXVjSg2S/XCHT0kzU7g64w9t3B4S2eW0CUKtkGipnt/GqDFzIS+23XUu0luUN7eXm+c= 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=209.85.166.208 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-f208.google.com with SMTP id e9e14a558f8ab-36db3bbf931so30908835ab.0 for ; Fri, 07 Jun 2024 21:19:29 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1717820369; x=1718425169; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=aFuJHIowLvdv+S/MY3yW2L+R0NtntumzDdr8pfEPbnA=; b=nfAz/JPIIP7JYvB0YSxTsCjjvSXE4Yh2dU2/7FJCBPxL3Ac/kqSLwK0Mak7KaEg5k1 e2cj+XuIZRoejc7e+bTvg3KHcJALoixxJ4SH4A2sl4+T0fyh+YN5mR5ubkTzYsgBbTXk GTPIcGacV2RTN0UCxwK7TjNo9/1kMEJ93CkmKfunG78USdlEzDVVxB100Xt4bE1cNOul oKtKM+uEqfZMwx3P1Sfvtzu//HfyFGkK9MqjT1kMC+Y99gxrse43GELY+0Lj5xzOQ3vy ostqEYBcdG9G4tnDqqpLDdQxAg/EP9hncjSGoydRbLZYv7bgYTvrxkRY1SnrDn0RLQKR Nm+g== X-Forwarded-Encrypted: i=1; AJvYcCUzhsrjCD8CzfDnpTQgOdCzis9MSSR+iiIGRmUFBcFnxVzK4thT7bMkEfWByAhEKcJBrOoB8ss041STGyS7v2b/VVuNsjIWWAWUJ1k= X-Gm-Message-State: AOJu0YwWvsDvfUdDnQacVU1V837tRmjuT94WEQq6KA8sUJssuwX8VnVe QHQP6T8TLfqxzinPiXiFEvf59kj8Fq2TFlWiJo2gUU/SgUa+epR1fNkxcaFjBgt2pR5YWQjMHxV DEceOoQGW2LjortntExqCfxbkQhaB0lk/aUsvMX0LArZRNUpIlgRB0A8= X-Google-Smtp-Source: AGHT+IG+tBNAsB4soo5Wd1WTLfqHn2iEeP1fHWDV1vVAOHz8Q9oGKp+gOvSsE42TikUV3AwOJ+seTavtBssdIgKSiDfGZXBYwqMc Precedence: bulk X-Mailing-List: linux-btrfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1c4b:b0:369:f7ca:a361 with SMTP id e9e14a558f8ab-37580303aebmr3387565ab.1.1717820368771; Fri, 07 Jun 2024 21:19:28 -0700 (PDT) Date: Fri, 07 Jun 2024 21:19:28 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000de6b81061a5938d6@google.com> Subject: [syzbot] [btrfs?] INFO: trying to register non-static key in btrfs_stop_all_workers 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: f06ce441457d Merge tag 'loongarch-fixes-6.10-1' of git://g.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=176b7026980000 kernel config: https://syzkaller.appspot.com/x/.config?x=998c63c06e77f5e7 dashboard link: https://syzkaller.appspot.com/bug?extid=8e86db7d430e87415248 compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 userspace arch: i386 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7bc7510fe41f/non_bootable_disk-f06ce441.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/67a525046331/vmlinux-f06ce441.xz kernel image: https://storage.googleapis.com/syzbot-assets/01865e308aa0/bzImage-f06ce441.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+8e86db7d430e87415248@syzkaller.appspotmail.com BTRFS info (device loop2): last unmount of filesystem 395ef67a-297e-477c-816d-cd80a5b93e5d INFO: trying to register non-static key. The code is fine but needs lockdep annotation, or maybe you didn't initialize this object before use? turning off the locking correctness validator. CPU: 0 PID: 9630 Comm: syz-executor.2 Not tainted 6.10.0-rc2-syzkaller-00007-gf06ce441457d #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:114 assign_lock_key kernel/locking/lockdep.c:976 [inline] register_lock_class+0xc2a/0x1230 kernel/locking/lockdep.c:1289 __lock_acquire+0x111/0x3b30 kernel/locking/lockdep.c:5014 lock_acquire kernel/locking/lockdep.c:5754 [inline] lock_acquire+0x1b1/0x560 kernel/locking/lockdep.c:5719 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:119 [inline] _raw_spin_lock_irq+0x36/0x50 kernel/locking/spinlock.c:170 put_pwq_unlocked kernel/workqueue.c:1662 [inline] put_pwq_unlocked kernel/workqueue.c:1655 [inline] destroy_workqueue+0x5df/0xaa0 kernel/workqueue.c:5851 btrfs_stop_all_workers+0x29f/0x370 fs/btrfs/disk-io.c:1804 close_ctree+0x4e3/0xf90 fs/btrfs/disk-io.c:4365 generic_shutdown_super+0x159/0x3d0 fs/super.c:642 kill_anon_super+0x3a/0x60 fs/super.c:1226 btrfs_kill_super+0x3b/0x50 fs/btrfs/super.c:2096 deactivate_locked_super+0xbe/0x1a0 fs/super.c:473 deactivate_super+0xde/0x100 fs/super.c:506 cleanup_mnt+0x222/0x450 fs/namespace.c:1267 task_work_run+0x14e/0x250 kernel/task_work.c:180 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x278/0x2a0 kernel/entry/common.c:218 __do_fast_syscall_32+0x80/0x120 arch/x86/entry/common.c:389 do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:411 entry_SYSENTER_compat_after_hwframe+0x84/0x8e RIP: 0023:0xf72e5579 Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000ffbeced8 EFLAGS: 00000292 ORIG_RAX: 0000000000000034 RAX: 0000000000000000 RBX: 00000000ffbecf80 RCX: 0000000000000009 RDX: 00000000f743bff4 RSI: 00000000f738c361 RDI: 00000000ffbee024 RBP: 00000000ffbecf80 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ------------[ cut here ]------------ UBSAN: array-index-out-of-bounds in kernel/locking/qspinlock.c:131:9 index 855 is out of range for type 'long unsigned int [8]' CPU: 0 PID: 9630 Comm: syz-executor.2 Not tainted 6.10.0-rc2-syzkaller-00007-gf06ce441457d #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:114 ubsan_epilogue lib/ubsan.c:231 [inline] __ubsan_handle_out_of_bounds+0x110/0x150 lib/ubsan.c:429 decode_tail kernel/locking/qspinlock.c:131 [inline] __pv_queued_spin_lock_slowpath+0xcb2/0xcc0 kernel/locking/qspinlock.c:468 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:584 [inline] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline] queued_spin_lock include/asm-generic/qspinlock.h:114 [inline] do_raw_spin_lock+0x210/0x2c0 kernel/locking/spinlock_debug.c:116 put_pwq_unlocked kernel/workqueue.c:1662 [inline] put_pwq_unlocked kernel/workqueue.c:1655 [inline] destroy_workqueue+0x5df/0xaa0 kernel/workqueue.c:5851 btrfs_stop_all_workers+0x29f/0x370 fs/btrfs/disk-io.c:1804 close_ctree+0x4e3/0xf90 fs/btrfs/disk-io.c:4365 generic_shutdown_super+0x159/0x3d0 fs/super.c:642 kill_anon_super+0x3a/0x60 fs/super.c:1226 btrfs_kill_super+0x3b/0x50 fs/btrfs/super.c:2096 deactivate_locked_super+0xbe/0x1a0 fs/super.c:473 deactivate_super+0xde/0x100 fs/super.c:506 cleanup_mnt+0x222/0x450 fs/namespace.c:1267 task_work_run+0x14e/0x250 kernel/task_work.c:180 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x278/0x2a0 kernel/entry/common.c:218 __do_fast_syscall_32+0x80/0x120 arch/x86/entry/common.c:389 do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:411 entry_SYSENTER_compat_after_hwframe+0x84/0x8e RIP: 0023:0xf72e5579 Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000ffbeced8 EFLAGS: 00000292 ORIG_RAX: 0000000000000034 RAX: 0000000000000000 RBX: 00000000ffbecf80 RCX: 0000000000000009 RDX: 00000000f743bff4 RSI: 00000000f738c361 RDI: 00000000ffbee024 RBP: 00000000ffbecf80 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ---[ end trace ]--- ---------------- Code disassembly (best guess), 2 bytes skipped: 0: 10 06 adc %al,(%rsi) 2: 03 74 b4 01 add 0x1(%rsp,%rsi,4),%esi 6: 10 07 adc %al,(%rdi) 8: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi c: 10 08 adc %cl,(%rax) e: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi 1e: 00 51 52 add %dl,0x52(%rcx) 21: 55 push %rbp 22: 89 e5 mov %esp,%ebp 24: 0f 34 sysenter 26: cd 80 int $0x80 * 28: 5d pop %rbp <-- trapping instruction 29: 5a pop %rdx 2a: 59 pop %rcx 2b: c3 ret 2c: 90 nop 2d: 90 nop 2e: 90 nop 2f: 90 nop 30: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi 37: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi --- This report is generated by a bot. 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