From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f197.google.com (mail-il1-f197.google.com [209.85.166.197]) (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 04A8D14F13A for ; Wed, 21 Aug 2024 16:27:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.197 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724257647; cv=none; b=RYe6FIsjLcEiCTW1xZ4QXRqf9iLnGi4FPIrkfZiIL2kUEfB7M0YJqfX2w3rZ9ZXXPwRHwspD2RRNyUNq4Qfe4wIP0lholaGNBVLO5u6Axfr8PJnfp35YR73muam/92quqaUET+rXv48ZKCB9cNSOsVK4M4GFOdJzEem/7s3kp+Q= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724257647; c=relaxed/simple; bh=e33U+rTmnfQStgJSVto0c+JH3L8slpYhP0UMBv7T57k=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=usxNz4/WeGeG42EtoTj6fgrOX/5VEbfczFu0LHb6sOITLsixcO2sUeJWKK68Ap3NZCG3Z0pWe0a4gVZ/hI/aGZfeEGS66UhI1IlQ3h1CMcQPgIKiB3nPZ/Nf9qVO2WkmbXD3MgrOEhhZrPmyg+eOyzlED9stGtddw4y6sjODvWA= 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=209.85.166.197 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-f197.google.com with SMTP id e9e14a558f8ab-39d27488930so53223075ab.3 for ; Wed, 21 Aug 2024 09:27:24 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1724257644; x=1724862444; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=2SWRppTTBX+ENTNwMwjikX5Z9iEvhX8AMGK5nhA6V+w=; b=Zs2PUSwfpEkefWQmFaPye1vKmVIJJiONkIOToMhpc9F0HcPGl9mkYop/yzN0L2E6Sl qEsa91G84+47uMkP48+aGAwlgUahox+g1s9/0AyefVkNy0mYoxvtd1SJ0FMcB2NHnDTX kJ5DMGN/l1KO0M2oe2uTwaohs7lDI6McoAcr43ajuDDyY/ea75/oWhC6y1dEG4ciJpkm ypGMovL7aeoOkj7qdwUZ5ajizulU9KIsyzZKIUG6KAjaeYSpFl74ZUZVwhZc9bkiKwqk dJXlnQ+t1UAGNLaIDsELYo6Ar//vVoL6W6q+wJTvIc77IK/GVEh+WG0ThbcYlJ1VSRyE APuQ== X-Forwarded-Encrypted: i=1; AJvYcCUwsvar9G7ixBQm8+voQeJPhIjZGucP8bdyg0JmHRPmesP9kds6lpSgKJ4xBBTkN8kGzL8D9WFPjshjBz8=@vger.kernel.org X-Gm-Message-State: AOJu0Yw9oQqlBcciJeASt59rF0RvL6s60kUetTZhHcE5/ZIiXyRlR2/w xYandmg4W2TFCGm2PXb2TrySxE0Nzwvakrk2hW9BvBcMyDcCJOutAZIvtR3NWtHtPDWwTIqAkI7 2+Z21mAgIsWt2PuJz4JPzaGVZtfBNTcW+Z3V5uyXke5hJPLhPAmeF+hA= X-Google-Smtp-Source: AGHT+IF3kXSAYlVlqrzntQiUBF1JUHVaveVjloMQ2anYrNvJ3gTOgHd6kHaQR/HAHADgUj8zH90rYitr+pqoW8CXiqrrgUI1kmYq Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1d16:b0:39d:1ca5:3903 with SMTP id e9e14a558f8ab-39d6c353c38mr2207425ab.1.1724257644102; Wed, 21 Aug 2024 09:27:24 -0700 (PDT) Date: Wed, 21 Aug 2024 09:27:24 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000060d4fa06203404a1@google.com> Subject: [syzbot] [kernel?] WARNING in update_curr_dl_se From: syzbot To: bp@alien8.de, dave.hansen@linux.intel.com, hpa@zytor.com, linux-kernel@vger.kernel.org, mingo@redhat.com, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, x86@kernel.org Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 367b5c3d53e5 Add linux-next specific files for 20240816 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=11e213c5980000 kernel config: https://syzkaller.appspot.com/x/.config?x=61ba6f3b22ee5467 dashboard link: https://syzkaller.appspot.com/bug?extid=cdf91ee2261629ee3c6b compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/0b1b4e3cad3c/disk-367b5c3d.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/5bb090f7813c/vmlinux-367b5c3d.xz kernel image: https://storage.googleapis.com/syzbot-assets/6674cb0709b1/bzImage-367b5c3d.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+cdf91ee2261629ee3c6b@syzkaller.appspotmail.com ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5401 at kernel/sched/sched.h:1476 lockdep_assert_rq_held kernel/sched/sched.h:1476 [inline] WARNING: CPU: 1 PID: 5401 at kernel/sched/sched.h:1476 rq_clock kernel/sched/sched.h:1624 [inline] WARNING: CPU: 1 PID: 5401 at kernel/sched/sched.h:1476 replenish_dl_new_period kernel/sched/deadline.c:777 [inline] WARNING: CPU: 1 PID: 5401 at kernel/sched/sched.h:1476 update_curr_dl_se+0x66f/0x920 kernel/sched/deadline.c:1511 Modules linked in: CPU: 1 UID: 0 PID: 5401 Comm: kworker/u8:10 Not tainted 6.11.0-rc3-next-20240816-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:lockdep_assert_rq_held kernel/sched/sched.h:1476 [inline] RIP: 0010:rq_clock kernel/sched/sched.h:1624 [inline] RIP: 0010:replenish_dl_new_period kernel/sched/deadline.c:777 [inline] RIP: 0010:update_curr_dl_se+0x66f/0x920 kernel/sched/deadline.c:1511 Code: b5 50 fe ff ff 4c 89 ff ba 20 00 00 00 e8 e9 4f 00 00 e9 58 fe ff ff 4c 89 ef be 20 00 00 00 e8 b7 13 00 00 e9 46 fe ff ff 90 <0f> 0b 90 e9 be fb ff ff 89 f1 80 e1 07 38 c1 0f 8c b5 f9 ff ff 48 RSP: 0018:ffffc900047bf6c8 EFLAGS: 00010046 RAX: 0000000000000000 RBX: ffff8880b903ea40 RCX: 0000000000000003 RDX: dffffc0000000000 RSI: ffffffff8c0adfc0 RDI: ffffffff8c60a8c0 RBP: 0000000000000031 R08: ffff8880b902c883 R09: 1ffff11017205910 R10: dffffc0000000000 R11: ffffed1017205911 R12: ffff8880b903f468 R13: ffff8880b903f428 R14: 1ffff11017207e8f R15: ffff8880b903f858 FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000203f6030 CR3: 000000001f046000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: update_curr+0x575/0xb20 kernel/sched/fair.c:1176 put_prev_entity+0x3d/0x210 kernel/sched/fair.c:5505 put_prev_task_fair+0x4d/0x80 kernel/sched/fair.c:8686 put_prev_task kernel/sched/sched.h:2423 [inline] put_prev_task_balance+0x11d/0x190 kernel/sched/core.c:5886 __pick_next_task+0xc6/0x2f0 kernel/sched/core.c:5946 pick_next_task kernel/sched/core.c:6012 [inline] __schedule+0x725/0x4ad0 kernel/sched/core.c:6594 preempt_schedule_common+0x84/0xd0 kernel/sched/core.c:6818 preempt_schedule+0xe1/0xf0 kernel/sched/core.c:6842 preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk.S:12 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] _raw_spin_unlock_irqrestore+0x130/0x140 kernel/locking/spinlock.c:194 task_rq_unlock kernel/sched/sched.h:1759 [inline] __sched_setscheduler+0xf35/0x1ba0 kernel/sched/syscalls.c:858 _sched_setscheduler kernel/sched/syscalls.c:880 [inline] sched_setscheduler_nocheck+0x190/0x2e0 kernel/sched/syscalls.c:927 kthread+0x1aa/0x390 kernel/kthread.c:370 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 --- 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 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