From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oi1-f208.google.com (mail-oi1-f208.google.com [209.85.167.208]) (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 CE4D32AE7A for ; Fri, 3 Jul 2026 00:38:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.167.208 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783039113; cv=none; b=OghpEMOdkYOQhIbs33/V+mMTbdpr1M6yv5aBdR9rgWRKXuz1xo5BymgK5aa7jWGEEDFm/uDJuzsd/zt3BgqB+V0nAfK0kFCcPF4YqubCsXBGEbYcdTUfSr7DXQDh0EsUqputTQmohg3SHzgQQrck6XU6uoDPYxuKKPgUYJ6DSXM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783039113; c=relaxed/simple; bh=Nt3g6q5nJ1KqycZuRWZ9OvbNpHzTR3jQpn1blyccq1Y=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=XbWgzKfD1S6PU96ZFYjr2PY04jlhQ94r2YccEnl7Zfpijkbtw7HniHj/pZIul0/zyxOjZipjANZoVJ0XFRrqH3uVlwoT4s3vi2CcX5CVkOm7kvFMs24F7bGjV6hILCs9Eo4zELcETP9OIUoMC7jA2rzNkgLoEolWgp6YVVN5qhM= 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=209.85.167.208 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-oi1-f208.google.com with SMTP id 5614622812f47-487059fb570so23490b6e.0 for ; Thu, 02 Jul 2026 17:38:31 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1783039111; x=1783643911; h=content-type:to:from:subject:message-id:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to :content-type; bh=Iz4iNz3mSTG7mHbZxuhJnyWsVWEYfFzPrFddZcrNUPk=; b=oc4mFAOzb/5t/Utx0vhbsXmc6DO0Z2B4tm87oxV8bPB3YbmHkYmCqc+kW4kUoHFpOe lylx2Oi2aml2XmSB26o1fvRMPWhbfps/WvyttnR4aWUV/3buM0GmdAbilAG/zz51QeXe UmYZDErhFa5WktE1dEs27cYLu1fywE5iva3BpjFz8FpgKPUSI9KdiKPT4DkAfTSP6JfA QymXvKrfQquNmuWWyPfxdMDouzVe9PTpKLhM0i9zQamEYzbx965lyuQLfhv9VR+x7Zvy gEW+1bNFim7wHcLemBJvkEikpRmS9jupfPd0+xoaVcOmcYTHAn8KFzp64TGVYHTyZaZL K3Vg== X-Forwarded-Encrypted: i=1; AFNElJ9IpNZ/DhA3PZdeItTBb14IZinFAJgoolxVIwoGhrpZVYIvPC6Sbt3knFy2kWYOthVqEf4B1uP4Tdetqho=@vger.kernel.org X-Gm-Message-State: AOJu0YxGMSn8E7qNjZH2NKO3OkesqxsjqNExN+yANzMMEq6k+4sBafa6 BoyJh64dH/7zxuuudpa5h2IzT+PRi5KawZ1bePe68dfEqPnAYOmPHblxfYfLF+Jr/niLPqZAakH k0stakdosVrF2B0iqhOrJ/qyBQMj0IkLCwigqg4BAMyOwXd6p7OjB5/YVst0= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6808:1814:b0:496:fde:ca15 with SMTP id 5614622812f47-49636a36c91mr5543669b6e.38.1783039110912; Thu, 02 Jul 2026 17:38:30 -0700 (PDT) Date: Thu, 02 Jul 2026 17:38:30 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6a470486.52c20a74.1f8b39.000c.GAE@google.com> Subject: [syzbot] [kernel?] WARNING in update_rq_clock (2) 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@kernel.org, x86@kernel.org Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 8b69c0475871 Merge tag 'input-for-v7.2-rc0-2' of git://git.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=1196f4ea580000 kernel config: https://syzkaller.appspot.com/x/.config?x=eb3cf873145f98c4 dashboard link: https://syzkaller.appspot.com/bug?extid=681e729b2cf0d4860042 compiler: gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/6fbba2b94559/disk-8b69c047.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/377e82061e2d/vmlinux-8b69c047.xz kernel image: https://storage.googleapis.com/syzbot-assets/f299b46fb771/bzImage-8b69c047.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+681e729b2cf0d4860042@syzkaller.appspotmail.com ------------[ cut here ]------------ debug_locks && !(lock_is_held(&(__rq_lockp(rq))->dep_map) != 0) WARNING: kernel/sched/sched.h:1641 at lockdep_assert_rq_held kernel/sched/sched.h:1641 [inline], CPU#0: syz.4.1183/11558 WARNING: kernel/sched/sched.h:1641 at lockdep_assert_rq_held kernel/sched/sched.h:1638 [inline], CPU#0: syz.4.1183/11558 WARNING: kernel/sched/sched.h:1641 at update_rq_clock+0x40a/0xd20 kernel/sched/core.c:865, CPU#0: syz.4.1183/11558 Modules linked in: CPU: 0 UID: 0 PID: 11558 Comm: syz.4.1183 Tainted: G U L syzkaller #0 PREEMPT(full) Tainted: [U]=USER, [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 RIP: 0010:lockdep_assert_rq_held kernel/sched/sched.h:1641 [inline] RIP: 0010:lockdep_assert_rq_held kernel/sched/sched.h:1638 [inline] RIP: 0010:update_rq_clock+0x40a/0xd20 kernel/sched/core.c:865 Code: ab c8 0b 00 00 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f e9 d8 7e c8 09 a8 04 0f 84 df fc ff ff 90 0f 0b 90 e9 d6 fc ff ff 90 <0f> 0b 90 e9 92 fc ff ff 4c 8d 83 c0 0b 00 00 48 b8 00 00 00 00 00 RSP: 0018:ffffc90003cb70b8 EFLAGS: 00010046 RAX: 0000000000000000 RBX: ffff8880b853b600 RCX: 0000000000000001 RDX: 0000000000000046 RSI: ffffffff8df333b0 RDI: ffffffff8c1e8f80 RBP: ffffc90003cb7260 R08: 0000000000000001 R09: 0000000000000001 R10: ffffffff90dbdb97 R11: 0000000000000000 R12: ffffffff90dc0f44 R13: ffff8880b853c4e0 R14: ffff88801e6a1f00 R15: ffff8880b843c198 FS: 00007fece89b36c0(0000) GS:ffff8881242e7000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 00000000775a2000 CR4: 00000000003526f0 Call Trace: pick_next_task kernel/sched/core.c:6338 [inline] __schedule+0x1e2d/0x6730 kernel/sched/core.c:7149 preempt_schedule_common+0x42/0xc0 kernel/sched/core.c:7413 preempt_schedule_thunk+0x16/0x40 arch/x86/entry/thunk.S:12 __local_bh_enable_ip+0xff/0x120 kernel/softirq.c:457 local_bh_enable include/linux/bottom_half.h:33 [inline] fpregs_unlock arch/x86/include/asm/fpu/api.h:77 [inline] kernel_fpu_end arch/x86/kernel/fpu/core.c:506 [inline] kernel_fpu_end+0x64/0x80 arch/x86/kernel/fpu/core.c:499 sha256_blocks_avx2+0x4e/0x90 lib/crypto/x86/sha256.h:31 sha256_blocks lib/crypto/x86/sha256.h:58 [inline] __sha256_update+0x188/0x1c0 lib/crypto/sha256.c:208 crypto_sha256_update+0x23/0x30 crypto/sha256.c:142 crypto_shash_finup+0x34b/0x6b0 crypto/shash.c:123 crypto_shash_update include/crypto/hash.h:998 [inline] ima_calc_file_hash_tfm+0x299/0x350 security/integrity/ima/ima_crypto.c:233 ima_calc_file_hash+0x1e3/0x380 security/integrity/ima/ima_crypto.c:280 ima_collect_measurement+0x94f/0xb30 security/integrity/ima/ima_api.c:300 process_measurement+0xdfe/0x2350 security/integrity/ima/ima_main.c:425 ima_file_mmap+0x1c4/0x1f0 security/integrity/ima/ima_main.c:523 security_mmap_file+0x278/0x9b0 security/security.c:2581 vm_mmap_pgoff+0xec/0x470 mm/util.c:575 ksys_mmap_pgoff+0x285/0x610 mm/mmap.c:606 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:89 [inline] __se_sys_mmap arch/x86/kernel/sys_x86_64.c:82 [inline] __x64_sys_mmap+0x125/0x190 arch/x86/kernel/sys_x86_64.c:82 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x115/0x840 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fece7b9ce59 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fece89b3028 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007fece7e16090 RCX: 00007fece7b9ce59 RDX: 00004000000000df RSI: 200000000000000b RDI: 0000000000000000 RBP: 00007fece7c32e6f R08: 0000000000000401 R09: 0000300000000000 R10: 0000000000040eb1 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fece7e16128 R14: 00007fece7e16090 R15: 00007ffd39c61db8 --- 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