From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f205.google.com (mail-il1-f205.google.com [209.85.166.205]) (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 7C83939FFD for ; Sat, 25 May 2024 20:46:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.205 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716669986; cv=none; b=QINs/EzZJUSOmNHWuqd09MfZxttYTwUuOXYwChXDpbYu0qZvX07sc2zrSzl08IHPpWLBVmfcDfOJvhEsDUomMP4n28OVZGnFnEGlLI4rs6J2+gtMwYenWVa1U9zPuw4qgAsvaU7mLdHj8I54BFFgDVKQuX35Gzw6DWvYQH2H97I= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716669986; c=relaxed/simple; bh=fJrlzDvgiNF/6odLX0D9uVLrv40IGUpnV8UtJpC3ZAU=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=SL7x4V4utr0GeNrfs40l6Ir4euwcRto8EULi1C3OkVDaThZMa59IigyZPI6IjoyNfO8iLFfWwdwWFk0BUPnXgeMk7LYkLPk5CELIEOs8XIrGazzsM/KSsKiH3Z9OCURq3xKHbu1/8uNOmoC6wuYYNpdeXR6oedMg75MHUeuQP+0= 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=209.85.166.205 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-f205.google.com with SMTP id e9e14a558f8ab-3742c0af134so2607185ab.1 for ; Sat, 25 May 2024 13:46:24 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1716669983; x=1717274783; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=/6zhFfuvcA/1vgecgQCUvcxarpy/YgFipg6QCqmwnok=; b=rwjKf7heaBUqaB3tFN5QtTr1Iavb+5EGYAO3XokNBgAwa2p4Wx8pbKJEqq8KGghqij 6S8gTN1V/jmCbz3n2JXUYdc+pZ8uNLiR6kyNpIlifZAPOmcXz3Zdcec0t0SfCO57dMHS x5z2CwiPSLatTUERI7aFYe79nAxzv5Uf6lfaj+3+A4NKIj4wjE+tW/iDR8fBeHQUKM6p ffzb3Q1bSwNeS0H3cNuIo7Oh/OFqFtK7yaIkJ1adF5Lkuwi6U71Ze5wmPvzR4YbO/6YS vWZS3/akgod0wma/tCVj2NlGTDhdQCTxZ8U4QhA9U82B7a8pAR92PSTt2Yi+Jkfuc5bu nVBw== X-Gm-Message-State: AOJu0Yy4+NIYS9hwDuP3REg2WIo6xM7LjYG61SMCTbD1gB7/+G6s40my E3P6keO8kvp1Bn8LNLbdayg80BQMLXHGt6LGgMi2ZbyyUzdKRHfZx1pcbSiiz9JF37YpttC9Tyf kxks9uxAJ69GXAxMkUl3a0Q7bwQGAlnLEivV6lhIraFfN5g8nfApvSK/YOw== X-Google-Smtp-Source: AGHT+IGZ4z9mX7iBs5yGTHhV0t2tbvADjKhPbKvOF5aPVfH0iSA6dd3+KiPcz7usku2/uEOz2Feu8XXY+Gw43f3ab7QUDVb0JiLk 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:b0:36c:11a0:7878 with SMTP id e9e14a558f8ab-3737b2c2bb8mr4667305ab.2.1716669983561; Sat, 25 May 2024 13:46:23 -0700 (PDT) Date: Sat, 25 May 2024 13:46:23 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000091286106194d6076@google.com> Subject: [syzbot] [kernel?] possible deadlock in run_timer_base From: syzbot To: 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: 2a8120d7b482 Merge tag 's390-6.10-2' of git://git.kernel.o.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=1107d9cc980000 kernel config: https://syzkaller.appspot.com/x/.config?x=5dd4fde1337a9e18 dashboard link: https://syzkaller.appspot.com/bug?extid=9a474438d0c960487fcf 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-2a8120d7.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/78c72ae6bdaf/vmlinux-2a8120d7.xz kernel image: https://storage.googleapis.com/syzbot-assets/99dbb805b738/bzImage-2a8120d7.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+9a474438d0c960487fcf@syzkaller.appspotmail.com ------------[ cut here ]------------ ====================================================== WARNING: possible circular locking dependency detected 6.9.0-syzkaller-10713-g2a8120d7b482 #0 Not tainted ------------------------------------------------------ swapper/0/0 is trying to acquire lock: ffffffff8dba2e98 ((console_sem).lock){-.-.}-{2:2}, at: down_trylock+0x12/0x70 kernel/locking/semaphore.c:139 but task is already holding lock: ffff88802c02a858 (&base->lock){-.-.}-{2:2}, at: __run_timer_base kernel/time/timer.c:2427 [inline] ffff88802c02a858 (&base->lock){-.-.}-{2:2}, at: __run_timer_base kernel/time/timer.c:2421 [inline] ffff88802c02a858 (&base->lock){-.-.}-{2:2}, at: run_timer_base+0x109/0x190 kernel/time/timer.c:2437 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #3 (&base->lock){-.-.}-{2:2}: __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x3a/0x60 kernel/locking/spinlock.c:162 lock_timer_base+0x5d/0x220 kernel/time/timer.c:1051 __mod_timer+0x426/0xdc0 kernel/time/timer.c:1132 add_timer_global+0x8a/0xc0 kernel/time/timer.c:1330 __queue_delayed_work+0x1ba/0x2e0 kernel/workqueue.c:2543 queue_delayed_work_on+0x12a/0x150 kernel/workqueue.c:2572 psi_task_change+0x1b4/0x2e0 kernel/sched/psi.c:912 psi_enqueue kernel/sched/stats.h:139 [inline] enqueue_task kernel/sched/core.c:2112 [inline] activate_task+0x213/0x400 kernel/sched/core.c:2146 wake_up_new_task+0x574/0xc90 kernel/sched/core.c:4900 kernel_clone+0x236/0x980 kernel/fork.c:2828 user_mode_thread+0xb4/0xf0 kernel/fork.c:2875 rest_init+0x23/0x2b0 init/main.c:712 start_kernel+0x3df/0x4c0 init/main.c:1103 x86_64_start_reservations+0x18/0x30 arch/x86/kernel/head64.c:507 x86_64_start_kernel+0xb2/0xc0 arch/x86/kernel/head64.c:488 common_startup_64+0x13e/0x148 -> #2 (&rq->__lock){-.-.}-{2:2}: _raw_spin_lock_nested+0x31/0x40 kernel/locking/spinlock.c:378 raw_spin_rq_lock_nested+0x29/0x130 kernel/sched/core.c:559 raw_spin_rq_lock kernel/sched/sched.h:1406 [inline] rq_lock kernel/sched/sched.h:1702 [inline] task_fork_fair+0x73/0x250 kernel/sched/fair.c:12710 sched_cgroup_fork+0x3cf/0x510 kernel/sched/core.c:4844 copy_process+0x4710/0x6f50 kernel/fork.c:2499 kernel_clone+0xfd/0x980 kernel/fork.c:2797 user_mode_thread+0xb4/0xf0 kernel/fork.c:2875 rest_init+0x23/0x2b0 init/main.c:712 start_kernel+0x3df/0x4c0 init/main.c:1103 x86_64_start_reservations+0x18/0x30 arch/x86/kernel/head64.c:507 x86_64_start_kernel+0xb2/0xc0 arch/x86/kernel/head64.c:488 common_startup_64+0x13e/0x148 -> #1 (&p->pi_lock){-.-.}-{2:2}: __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x3a/0x60 kernel/locking/spinlock.c:162 class_raw_spinlock_irqsave_constructor include/linux/spinlock.h:553 [inline] try_to_wake_up+0x9a/0x13e0 kernel/sched/core.c:4262 up+0x79/0xb0 kernel/locking/semaphore.c:191 __up_console_sem kernel/printk/printk.c:340 [inline] __console_unlock kernel/printk/printk.c:2731 [inline] console_unlock+0x23e/0x290 kernel/printk/printk.c:3050 vga_remove_vgacon drivers/pci/vgaarb.c:186 [inline] vga_remove_vgacon+0x90/0xd0 drivers/pci/vgaarb.c:167 __aperture_remove_legacy_vga_devices drivers/video/aperture.c:331 [inline] aperture_remove_conflicting_pci_devices+0x17f/0x210 drivers/video/aperture.c:374 bochs_pci_probe+0x101/0x1150 drivers/gpu/drm/tiny/bochs.c:651 local_pci_probe+0xde/0x1b0 drivers/pci/pci-driver.c:324 pci_call_probe drivers/pci/pci-driver.c:392 [inline] __pci_device_probe drivers/pci/pci-driver.c:417 [inline] pci_device_probe+0x294/0x7a0 drivers/pci/pci-driver.c:451 call_driver_probe drivers/base/dd.c:578 [inline] really_probe+0x23e/0xa90 drivers/base/dd.c:656 __driver_probe_device+0x1de/0x440 drivers/base/dd.c:798 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:828 __driver_attach+0x283/0x580 drivers/base/dd.c:1214 bus_for_each_dev+0x13c/0x1d0 drivers/base/bus.c:368 bus_add_driver+0x2ed/0x640 drivers/base/bus.c:673 driver_register+0x15c/0x4b0 drivers/base/driver.c:246 drm_pci_register_driver_if_modeset include/drm/drm_module.h:69 [inline] bochs_pci_driver_init+0x67/0x80 drivers/gpu/drm/tiny/bochs.c:735 do_one_initcall+0x128/0x630 init/main.c:1267 do_initcall_level init/main.c:1329 [inline] do_initcalls init/main.c:1345 [inline] do_basic_setup init/main.c:1364 [inline] kernel_init_freeable+0x660/0xc50 init/main.c:1578 kernel_init+0x1c/0x2b0 init/main.c:1467 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 -> #0 ((console_sem).lock){-.-.}-{2:2}: check_prev_add kernel/locking/lockdep.c:3134 [inline] check_prevs_add kernel/locking/lockdep.c:3253 [inline] validate_chain kernel/locking/lockdep.c:3869 [inline] __lock_acquire+0x2478/0x3b30 kernel/locking/lockdep.c:5137 lock_acquire kernel/locking/lockdep.c:5754 [inline] lock_acquire+0x1b1/0x560 kernel/locking/lockdep.c:5719 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x3a/0x60 kernel/locking/spinlock.c:162 down_trylock+0x12/0x70 kernel/locking/semaphore.c:139 __down_trylock_console_sem+0x40/0x140 kernel/printk/printk.c:323 console_trylock kernel/printk/printk.c:2684 [inline] console_trylock_spinning kernel/printk/printk.c:1958 [inline] vprintk_emit kernel/printk/printk.c:2347 [inline] vprintk_emit+0xe4/0x5a0 kernel/printk/printk.c:2303 vprintk+0x7f/0xa0 kernel/printk/printk_safe.c:45 _printk+0xc8/0x100 kernel/printk/printk.c:2373 __report_bug lib/bug.c:195 [inline] report_bug+0x4ac/0x580 lib/bug.c:219 handle_bug+0x3d/0x70 arch/x86/kernel/traps.c:239 exc_invalid_op+0x17/0x50 arch/x86/kernel/traps.c:260 asm_exc_invalid_op+0x1a/0x20 arch/x86/include/asm/idtentry.h:621 expire_timers kernel/time/timer.c:1830 [inline] __run_timers+0x8ec/0xaf0 kernel/time/timer.c:2417 __run_timer_base kernel/time/timer.c:2428 [inline] __run_timer_base kernel/time/timer.c:2421 [inline] run_timer_base+0x111/0x190 kernel/time/timer.c:2437 run_timer_softirq+0x1a/0x40 kernel/time/timer.c:2447 handle_softirqs+0x216/0x8f0 kernel/softirq.c:554 __do_softirq kernel/softirq.c:588 [inline] invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu kernel/softirq.c:637 [inline] irq_exit_rcu+0xbb/0x120 kernel/softirq.c:649 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0x95/0xb0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 native_safe_halt arch/x86/include/asm/irqflags.h:48 [inline] arch_safe_halt arch/x86/include/asm/irqflags.h:86 [inline] default_idle+0xf/0x20 arch/x86/kernel/process.c:742 default_idle_call+0x6d/0xb0 kernel/sched/idle.c:117 cpuidle_idle_call kernel/sched/idle.c:191 [inline] do_idle+0x32c/0x3f0 kernel/sched/idle.c:332 cpu_startup_entry+0x4f/0x60 kernel/sched/idle.c:430 rest_init+0x16b/0x2b0 init/main.c:747 start_kernel+0x3df/0x4c0 init/main.c:1103 x86_64_start_reservations+0x18/0x30 arch/x86/kernel/head64.c:507 x86_64_start_kernel+0xb2/0xc0 arch/x86/kernel/head64.c:488 common_startup_64+0x13e/0x148 other info that might help us debug this: Chain exists of: (console_sem).lock --> &rq->__lock --> &base->lock Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&base->lock); lock(&rq->__lock); lock(&base->lock); lock((console_sem).lock); *** DEADLOCK *** 1 lock held by swapper/0/0: #0: ffff88802c02a858 (&base->lock){-.-.}-{2:2}, at: __run_timer_base kernel/time/timer.c:2427 [inline] #0: ffff88802c02a858 (&base->lock){-.-.}-{2:2}, at: __run_timer_base kernel/time/timer.c:2421 [inline] #0: ffff88802c02a858 (&base->lock){-.-.}-{2:2}, at: run_timer_base+0x109/0x190 kernel/time/timer.c:2437 stack backtrace: CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.9.0-syzkaller-10713-g2a8120d7b482 #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 check_noncircular+0x31a/0x400 kernel/locking/lockdep.c:2187 check_prev_add kernel/locking/lockdep.c:3134 [inline] check_prevs_add kernel/locking/lockdep.c:3253 [inline] validate_chain kernel/locking/lockdep.c:3869 [inline] __lock_acquire+0x2478/0x3b30 kernel/locking/lockdep.c:5137 lock_acquire kernel/locking/lockdep.c:5754 [inline] lock_acquire+0x1b1/0x560 kernel/locking/lockdep.c:5719 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x3a/0x60 kernel/locking/spinlock.c:162 down_trylock+0x12/0x70 kernel/locking/semaphore.c:139 __down_trylock_console_sem+0x40/0x140 kernel/printk/printk.c:323 console_trylock kernel/printk/printk.c:2684 [inline] console_trylock_spinning kernel/printk/printk.c:1958 [inline] vprintk_emit kernel/printk/printk.c:2347 [inline] vprintk_emit+0xe4/0x5a0 kernel/printk/printk.c:2303 vprintk+0x7f/0xa0 kernel/printk/printk_safe.c:45 _printk+0xc8/0x100 kernel/printk/printk.c:2373 __report_bug lib/bug.c:195 [inline] report_bug+0x4ac/0x580 lib/bug.c:219 handle_bug+0x3d/0x70 arch/x86/kernel/traps.c:239 exc_invalid_op+0x17/0x50 arch/x86/kernel/traps.c:260 asm_exc_invalid_op+0x1a/0x20 arch/x86/include/asm/idtentry.h:621 RIP: 0010:expire_timers kernel/time/timer.c:1830 [inline] RIP: 0010:__run_timers+0x8ec/0xaf0 kernel/time/timer.c:2417 Code: 6e 48 e8 77 34 13 00 89 de 31 ff 83 eb 01 e8 6b 2f 13 00 8b 44 24 18 85 c0 0f 85 18 fc ff ff e9 91 fb ff ff e8 55 34 13 00 90 <0f> 0b 90 e9 7b fc ff ff e8 47 34 13 00 90 0f 0b 90 e9 04 fd ff ff RSP: 0018:ffffc90000007d58 EFLAGS: 00010046 RAX: 0000000000000000 RBX: ffffe8ffad07be10 RCX: ffffffff817b4d49 RDX: ffffffff8d8957c0 RSI: ffffffff817b4ddb RDI: ffffe8ffad07be28 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffffc90000007e10 R13: ffffc90000007e10 R14: ffff88802c02a840 R15: dffffc0000000000 __run_timer_base kernel/time/timer.c:2428 [inline] __run_timer_base kernel/time/timer.c:2421 [inline] run_timer_base+0x111/0x190 kernel/time/timer.c:2437 run_timer_softirq+0x1a/0x40 kernel/time/timer.c:2447 handle_softirqs+0x216/0x8f0 kernel/softirq.c:554 __do_softirq kernel/softirq.c:588 [inline] invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu kernel/softirq.c:637 [inline] irq_exit_rcu+0xbb/0x120 kernel/softirq.c:649 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0x95/0xb0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:native_irq_disable arch/x86/include/asm/irqflags.h:37 [inline] RIP: 0010:arch_local_irq_disable arch/x86/include/asm/irqflags.h:72 [inline] RIP: 0010:default_idle+0xf/0x20 arch/x86/kernel/process.c:743 Code: 4c 01 c7 4c 29 c2 e9 72 ff ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d c3 36 48 00 fb f4 c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 RSP: 0018:ffffffff8d807e20 EFLAGS: 00000246 RAX: 0000000000140011 RBX: 0000000000000000 RCX: ffffffff8ade3e29 RDX: 0000000000000000 RSI: ffffffff8b2cb6c0 RDI: ffffffff8b8fae60 RBP: fffffbfff1b12af8 R08: 0000000000000001 R09: ffffed1005806fe5 R10: ffff88802c037f2b R11: 0000000000000000 R12: 0000000000000000 R13: ffffffff8d8957c0 R14: ffffffff8fe29810 R15: 0000000000000000 default_idle_call+0x6d/0xb0 kernel/sched/idle.c:117 cpuidle_idle_call kernel/sched/idle.c:191 [inline] do_idle+0x32c/0x3f0 kernel/sched/idle.c:332 cpu_startup_entry+0x4f/0x60 kernel/sched/idle.c:430 rest_init+0x16b/0x2b0 init/main.c:747 start_kernel+0x3df/0x4c0 init/main.c:1103 x86_64_start_reservations+0x18/0x30 arch/x86/kernel/head64.c:507 x86_64_start_kernel+0xb2/0xc0 arch/x86/kernel/head64.c:488 common_startup_64+0x13e/0x148 WARNING: CPU: 0 PID: 0 at kernel/time/timer.c:1830 expire_timers kernel/time/timer.c:1830 [inline] WARNING: CPU: 0 PID: 0 at kernel/time/timer.c:1830 __run_timers+0x8ec/0xaf0 kernel/time/timer.c:2417 Modules linked in: CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.9.0-syzkaller-10713-g2a8120d7b482 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 RIP: 0010:expire_timers kernel/time/timer.c:1830 [inline] RIP: 0010:__run_timers+0x8ec/0xaf0 kernel/time/timer.c:2417 Code: 6e 48 e8 77 34 13 00 89 de 31 ff 83 eb 01 e8 6b 2f 13 00 8b 44 24 18 85 c0 0f 85 18 fc ff ff e9 91 fb ff ff e8 55 34 13 00 90 <0f> 0b 90 e9 7b fc ff ff e8 47 34 13 00 90 0f 0b 90 e9 04 fd ff ff RSP: 0018:ffffc90000007d58 EFLAGS: 00010046 RAX: 0000000000000000 RBX: ffffe8ffad07be10 RCX: ffffffff817b4d49 RDX: ffffffff8d8957c0 RSI: ffffffff817b4ddb RDI: ffffe8ffad07be28 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffffc90000007e10 R13: ffffc90000007e10 R14: ffff88802c02a840 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff88802c000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000f7493f1c CR3: 0000000054c9e000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __run_timer_base kernel/time/timer.c:2428 [inline] __run_timer_base kernel/time/timer.c:2421 [inline] run_timer_base+0x111/0x190 kernel/time/timer.c:2437 run_timer_softirq+0x1a/0x40 kernel/time/timer.c:2447 handle_softirqs+0x216/0x8f0 kernel/softirq.c:554 __do_softirq kernel/softirq.c:588 [inline] invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu kernel/softirq.c:637 [inline] irq_exit_rcu+0xbb/0x120 kernel/softirq.c:649 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0x95/0xb0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:native_irq_disable arch/x86/include/asm/irqflags.h:37 [inline] RIP: 0010:arch_local_irq_disable arch/x86/include/asm/irqflags.h:72 [inline] RIP: 0010:default_idle+0xf/0x20 arch/x86/kernel/process.c:743 Code: 4c 01 c7 4c 29 c2 e9 72 ff ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d c3 36 48 00 fb f4 c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 RSP: 0018:ffffffff8d807e20 EFLAGS: 00000246 RAX: 0000000000140011 RBX: 0000000000000000 RCX: ffffffff8ade3e29 RDX: 0000000000000000 RSI: ffffffff8b2cb6c0 RDI: ffffffff8b8fae60 RBP: fffffbfff1b12af8 R08: 0000000000000001 R09: ffffed1005806fe5 R10: ffff88802c037f2b R11: 0000000000000000 R12: 0000000000000000 R13: ffffffff8d8957c0 R14: ffffffff8fe29810 R15: 0000000000000000 default_idle_call+0x6d/0xb0 kernel/sched/idle.c:117 cpuidle_idle_call kernel/sched/idle.c:191 [inline] do_idle+0x32c/0x3f0 kernel/sched/idle.c:332 cpu_startup_entry+0x4f/0x60 kernel/sched/idle.c:430 rest_init+0x16b/0x2b0 init/main.c:747 start_kernel+0x3df/0x4c0 init/main.c:1103 x86_64_start_reservations+0x18/0x30 arch/x86/kernel/head64.c:507 x86_64_start_kernel+0xb2/0xc0 arch/x86/kernel/head64.c:488 common_startup_64+0x13e/0x148 ---------------- Code disassembly (best guess): 0: 4c 01 c7 add %r8,%rdi 3: 4c 29 c2 sub %r8,%rdx 6: e9 72 ff ff ff jmp 0xffffff7d b: 90 nop c: 90 nop d: 90 nop e: 90 nop f: 90 nop 10: 90 nop 11: 90 nop 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop 16: 90 nop 17: 90 nop 18: 90 nop 19: 90 nop 1a: 90 nop 1b: f3 0f 1e fa endbr64 1f: 66 90 xchg %ax,%ax 21: 0f 00 2d c3 36 48 00 verw 0x4836c3(%rip) # 0x4836eb 28: fb sti 29: f4 hlt * 2a: fa cli <-- trapping instruction 2b: c3 ret 2c: cc int3 2d: cc int3 2e: cc int3 2f: cc int3 30: 66 66 2e 0f 1f 84 00 data16 cs nopw 0x0(%rax,%rax,1) 37: 00 00 00 00 3b: 90 nop 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop --- This report is generated by a bot. 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