------------[ cut here ]------------ ====================================================== WARNING: possible circular locking dependency detected 6.9.0-rc1-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor.1/5756 is trying to acquire lock: ffffffff8d7a29b8 ((console_sem).lock){-...}-{2:2}, at: down_trylock+0x12/0x70 kernel/locking/semaphore.c:139 but task is already holding lock: ffff88802c52c9d8 (hrtimer_bases.lock){-.-.}-{2:2}, at: __run_hrtimer kernel/time/hrtimer.c:1696 [inline] ffff88802c52c9d8 (hrtimer_bases.lock){-.-.}-{2:2}, at: __hrtimer_run_queues+0x2c0/0xcc0 kernel/time/hrtimer.c:1756 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #4 (hrtimer_bases.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_hrtimer_base kernel/time/hrtimer.c:175 [inline] hrtimer_start_range_ns+0xe7/0xe10 kernel/time/hrtimer.c:1303 hrtimer_start_expires include/linux/hrtimer.h:289 [inline] do_start_rt_bandwidth kernel/sched/rt.c:120 [inline] start_rt_bandwidth kernel/sched/rt.c:131 [inline] inc_rt_group kernel/sched/rt.c:1188 [inline] inc_rt_tasks kernel/sched/rt.c:1231 [inline] __enqueue_rt_entity kernel/sched/rt.c:1406 [inline] enqueue_rt_entity kernel/sched/rt.c:1455 [inline] enqueue_task_rt+0x854/0xcb0 kernel/sched/rt.c:1490 enqueue_task+0xaf/0x350 kernel/sched/core.c:2116 __sched_setscheduler.constprop.0+0x12e2/0x2a80 kernel/sched/core.c:7904 _sched_setscheduler kernel/sched/core.c:7951 [inline] sched_setscheduler_nocheck kernel/sched/core.c:7998 [inline] sched_set_fifo+0xb1/0x110 kernel/sched/core.c:8022 irq_thread+0xf9/0x670 kernel/irq/manage.c:1309 kthread+0x2c1/0x3a0 kernel/kthread.c:388 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243 -> #3 (&rt_b->rt_runtime_lock){-...}-{2:2}: __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154 __enable_runtime kernel/sched/rt.c:832 [inline] rq_online_rt+0xb3/0x3b0 kernel/sched/rt.c:2434 set_rq_online.part.0+0xf9/0x140 kernel/sched/core.c:9587 set_rq_online kernel/sched/core.c:9579 [inline] sched_cpu_activate+0x20f/0x450 kernel/sched/core.c:9696 cpuhp_invoke_callback+0x435/0xbe0 kernel/cpu.c:194 cpuhp_thread_fun+0x480/0x6f0 kernel/cpu.c:1092 smpboot_thread_fn+0x661/0xa10 kernel/smpboot.c:164 kthread+0x2c1/0x3a0 kernel/kthread.c:388 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243 -> #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:1385 [inline] rq_lock kernel/sched/sched.h:1699 [inline] task_fork_fair+0x70/0x240 kernel/sched/fair.c:12635 sched_cgroup_fork+0x3cf/0x510 kernel/sched/core.c:4845 copy_process+0x450e/0x6f00 kernel/fork.c:2498 kernel_clone+0xfd/0x980 kernel/fork.c:2796 user_mode_thread+0xb4/0xf0 kernel/fork.c:2874 rest_init+0x23/0x2b0 init/main.c:697 start_kernel+0x3a3/0x490 init/main.c:1074 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:2725 [inline] console_unlock+0x23e/0x290 kernel/printk/printk.c:3044 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+0x29d/0x7b0 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:1238 do_initcall_level init/main.c:1300 [inline] do_initcalls init/main.c:1316 [inline] do_basic_setup init/main.c:1335 [inline] kernel_init_freeable+0x660/0xc50 init/main.c:1548 kernel_init+0x1c/0x2b0 init/main.c:1437 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243 -> #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:2678 [inline] console_trylock_spinning kernel/printk/printk.c:1958 [inline] vprintk_emit kernel/printk/printk.c:2341 [inline] vprintk_emit+0xe4/0x5a0 kernel/printk/printk.c:2297 vprintk+0x7f/0xa0 kernel/printk/printk_safe.c:45 _printk+0xc8/0x100 kernel/printk/printk.c:2367 __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 __local_bh_disable_ip+0xb8/0xd0 kernel/softirq.c:307 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:125 [inline] _raw_spin_lock_bh+0x17/0x40 kernel/locking/spinlock.c:178 spin_lock_bh include/linux/spinlock.h:356 [inline] __sock_map_delete net/core/sock_map.c:414 [inline] sock_map_delete_elem+0xc8/0x150 net/core/sock_map.c:446 bpf_prog_2c29ac5cdc6b1842+0x42/0x46 bpf_dispatcher_nop_func include/linux/bpf.h:1234 [inline] __bpf_prog_run include/linux/filter.h:657 [inline] bpf_prog_run include/linux/filter.h:664 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2381 [inline] bpf_trace_run4+0x176/0x460 kernel/trace/bpf_trace.c:2422 trace_mm_page_alloc include/trace/events/kmem.h:177 [inline] __alloc_pages+0x3ad/0x2460 mm/page_alloc.c:4597 __alloc_pages_node include/linux/gfp.h:238 [inline] alloc_pages_node include/linux/gfp.h:261 [inline] alloc_slab_page mm/slub.c:2175 [inline] allocate_slab mm/slub.c:2338 [inline] new_slab+0xcc/0x3a0 mm/slub.c:2391 ___slab_alloc+0x670/0x16d0 mm/slub.c:3525 __slab_alloc.constprop.0+0x56/0xb0 mm/slub.c:3610 __slab_alloc_node mm/slub.c:3663 [inline] slab_alloc_node mm/slub.c:3835 [inline] kmem_cache_alloc+0x2e9/0x320 mm/slub.c:3852 kmem_cache_zalloc include/linux/slab.h:739 [inline] fill_pool+0x275/0x5d0 lib/debugobjects.c:168 debug_objects_fill_pool lib/debugobjects.c:615 [inline] debug_object_activate+0x151/0x540 lib/debugobjects.c:704 debug_hrtimer_activate kernel/time/hrtimer.c:423 [inline] debug_activate kernel/time/hrtimer.c:478 [inline] enqueue_hrtimer+0x25/0x3c0 kernel/time/hrtimer.c:1090 __run_hrtimer kernel/time/hrtimer.c:1709 [inline] __hrtimer_run_queues+0xaac/0xcc0 kernel/time/hrtimer.c:1756 hrtimer_interrupt+0x31b/0x800 kernel/time/hrtimer.c:1818 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline] __sysvec_apic_timer_interrupt+0x10f/0x450 arch/x86/kernel/apic/apic.c:1049 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0x43/0xb0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 other info that might help us debug this: Chain exists of: (console_sem).lock --> &rt_b->rt_runtime_lock --> hrtimer_bases.lock Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(hrtimer_bases.lock); lock(&rt_b->rt_runtime_lock); lock(hrtimer_bases.lock); lock((console_sem).lock); *** DEADLOCK *** 3 locks held by syz-executor.1/5756: #0: ffff88802c52c9d8 (hrtimer_bases.lock){-.-.}-{2:2}, at: __run_hrtimer kernel/time/hrtimer.c:1696 [inline] #0: ffff88802c52c9d8 (hrtimer_bases.lock){-.-.}-{2:2}, at: __hrtimer_run_queues+0x2c0/0xcc0 kernel/time/hrtimer.c:1756 #1: ffffffff8e24bce0 (fill_pool_map-wait-type-override){+.+.}-{3:3}, at: debug_objects_fill_pool lib/debugobjects.c:614 [inline] #1: ffffffff8e24bce0 (fill_pool_map-wait-type-override){+.+.}-{3:3}, at: debug_object_activate+0x13e/0x540 lib/debugobjects.c:704 #2: ffffffff8d7b4b60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline] #2: ffffffff8d7b4b60 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:781 [inline] #2: ffffffff8d7b4b60 (rcu_read_lock){....}-{1:2}, at: __bpf_trace_run kernel/trace/bpf_trace.c:2380 [inline] #2: ffffffff8d7b4b60 (rcu_read_lock){....}-{1:2}, at: bpf_trace_run4+0x107/0x460 kernel/trace/bpf_trace.c:2422 stack backtrace: CPU: 3 PID: 5756 Comm: syz-executor.1 Not tainted 6.9.0-rc1-syzkaller #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:2678 [inline] console_trylock_spinning kernel/printk/printk.c:1958 [inline] vprintk_emit kernel/printk/printk.c:2341 [inline] vprintk_emit+0xe4/0x5a0 kernel/printk/printk.c:2297 vprintk+0x7f/0xa0 kernel/printk/printk_safe.c:45 _printk+0xc8/0x100 kernel/printk/printk.c:2367 __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:__local_bh_disable_ip+0xb8/0xd0 kernel/softirq.c:307 Code: c1 ea 03 80 3c 02 00 75 29 48 89 9d c0 14 00 00 5b 5d c3 cc cc cc cc 31 ff 31 db e8 d2 06 1a 00 eb c9 e8 4b d8 81 09 eb 82 90 <0f> 0b 90 e9 5a ff ff ff e8 6b d8 97 00 eb d0 66 0f 1f 84 00 00 00 RSP: 0000:ffffc90003eff5d0 EFLAGS: 00010006 RAX: 0000000080010002 RBX: 0000000000000201 RCX: ffffffff88ce5e4c RDX: 1ffff1100e746038 RSI: 0000000000000201 RDI: ffffffff88ce5e98 RBP: 0000000000000000 R08: 0000000000000004 R09: 0000000000000008 R10: 0000000000000000 R11: 0000000000000002 R12: ffff888074d34980 R13: ffffc90006f29028 R14: 0000000000000000 R15: ffffea00006f7d00 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:125 [inline] _raw_spin_lock_bh+0x17/0x40 kernel/locking/spinlock.c:178 spin_lock_bh include/linux/spinlock.h:356 [inline] __sock_map_delete net/core/sock_map.c:414 [inline] sock_map_delete_elem+0xc8/0x150 net/core/sock_map.c:446 bpf_prog_2c29ac5cdc6b1842+0x42/0x46 bpf_dispatcher_nop_func include/linux/bpf.h:1234 [inline] __bpf_prog_run include/linux/filter.h:657 [inline] bpf_prog_run include/linux/filter.h:664 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2381 [inline] bpf_trace_run4+0x176/0x460 kernel/trace/bpf_trace.c:2422 trace_mm_page_alloc include/trace/events/kmem.h:177 [inline] __alloc_pages+0x3ad/0x2460 mm/page_alloc.c:4597 __alloc_pages_node include/linux/gfp.h:238 [inline] alloc_pages_node include/linux/gfp.h:261 [inline] alloc_slab_page mm/slub.c:2175 [inline] allocate_slab mm/slub.c:2338 [inline] new_slab+0xcc/0x3a0 mm/slub.c:2391 ___slab_alloc+0x670/0x16d0 mm/slub.c:3525 __slab_alloc.constprop.0+0x56/0xb0 mm/slub.c:3610 __slab_alloc_node mm/slub.c:3663 [inline] slab_alloc_node mm/slub.c:3835 [inline] kmem_cache_alloc+0x2e9/0x320 mm/slub.c:3852 kmem_cache_zalloc include/linux/slab.h:739 [inline] fill_pool+0x275/0x5d0 lib/debugobjects.c:168 debug_objects_fill_pool lib/debugobjects.c:615 [inline] debug_object_activate+0x151/0x540 lib/debugobjects.c:704 debug_hrtimer_activate kernel/time/hrtimer.c:423 [inline] debug_activate kernel/time/hrtimer.c:478 [inline] enqueue_hrtimer+0x25/0x3c0 kernel/time/hrtimer.c:1090 __run_hrtimer kernel/time/hrtimer.c:1709 [inline] __hrtimer_run_queues+0xaac/0xcc0 kernel/time/hrtimer.c:1756 hrtimer_interrupt+0x31b/0x800 kernel/time/hrtimer.c:1818 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline] __sysvec_apic_timer_interrupt+0x10f/0x450 arch/x86/kernel/apic/apic.c:1049 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0x43/0xb0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0023:0xf733ff2c Code: ce 19 d7 0f 83 13 01 00 00 89 6c 24 04 90 89 48 08 89 c7 83 e8 08 89 dd 89 50 14 8b 08 8b 50 04 39 ce 19 d5 72 e8 8b 6c 24 04 <89> 37 83 c5 08 89 5f 04 39 6c 24 08 75 b6 8b 6c 24 08 8b 5c 24 40 RSP: 002b:00000000ffe3d900 EFLAGS: 00000246 RAX: 00000000f6ddee98 RBX: 00000000ffffffff RCX: 0000000081f5822b RDX: 00000000ffffffff RSI: 0000000081f5822b RDI: 00000000f6ddeea0 RBP: 00000000f6ddeea0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 WARNING: CPU: 3 PID: 5756 at kernel/softirq.c:307 __local_bh_disable_ip+0xb8/0xd0 kernel/softirq.c:307 Modules linked in: CPU: 3 PID: 5756 Comm: syz-executor.1 Not tainted 6.9.0-rc1-syzkaller #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 RIP: 0010:__local_bh_disable_ip+0xb8/0xd0 kernel/softirq.c:307 Code: c1 ea 03 80 3c 02 00 75 29 48 89 9d c0 14 00 00 5b 5d c3 cc cc cc cc 31 ff 31 db e8 d2 06 1a 00 eb c9 e8 4b d8 81 09 eb 82 90 <0f> 0b 90 e9 5a ff ff ff e8 6b d8 97 00 eb d0 66 0f 1f 84 00 00 00 RSP: 0000:ffffc90003eff5d0 EFLAGS: 00010006 RAX: 0000000080010002 RBX: 0000000000000201 RCX: ffffffff88ce5e4c RDX: 1ffff1100e746038 RSI: 0000000000000201 RDI: ffffffff88ce5e98 RBP: 0000000000000000 R08: 0000000000000004 R09: 0000000000000008 R10: 0000000000000000 R11: 0000000000000002 R12: ffff888074d34980 R13: ffffc90006f29028 R14: 0000000000000000 R15: ffffea00006f7d00 FS: 0000000000000000(0000) GS:ffff88802c500000(0063) knlGS:000000005761d400 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 0000000031b21000 CR3: 00000000127b6000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __raw_spin_lock_bh include/linux/spinlock_api_smp.h:125 [inline] _raw_spin_lock_bh+0x17/0x40 kernel/locking/spinlock.c:178 spin_lock_bh include/linux/spinlock.h:356 [inline] __sock_map_delete net/core/sock_map.c:414 [inline] sock_map_delete_elem+0xc8/0x150 net/core/sock_map.c:446 bpf_prog_2c29ac5cdc6b1842+0x42/0x46 bpf_dispatcher_nop_func include/linux/bpf.h:1234 [inline] __bpf_prog_run include/linux/filter.h:657 [inline] bpf_prog_run include/linux/filter.h:664 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2381 [inline] bpf_trace_run4+0x176/0x460 kernel/trace/bpf_trace.c:2422 trace_mm_page_alloc include/trace/events/kmem.h:177 [inline] __alloc_pages+0x3ad/0x2460 mm/page_alloc.c:4597 __alloc_pages_node include/linux/gfp.h:238 [inline] alloc_pages_node include/linux/gfp.h:261 [inline] alloc_slab_page mm/slub.c:2175 [inline] allocate_slab mm/slub.c:2338 [inline] new_slab+0xcc/0x3a0 mm/slub.c:2391 ___slab_alloc+0x670/0x16d0 mm/slub.c:3525 __slab_alloc.constprop.0+0x56/0xb0 mm/slub.c:3610 __slab_alloc_node mm/slub.c:3663 [inline] slab_alloc_node mm/slub.c:3835 [inline] kmem_cache_alloc+0x2e9/0x320 mm/slub.c:3852 kmem_cache_zalloc include/linux/slab.h:739 [inline] fill_pool+0x275/0x5d0 lib/debugobjects.c:168 debug_objects_fill_pool lib/debugobjects.c:615 [inline] debug_object_activate+0x151/0x540 lib/debugobjects.c:704 debug_hrtimer_activate kernel/time/hrtimer.c:423 [inline] debug_activate kernel/time/hrtimer.c:478 [inline] enqueue_hrtimer+0x25/0x3c0 kernel/time/hrtimer.c:1090 __run_hrtimer kernel/time/hrtimer.c:1709 [inline] __hrtimer_run_queues+0xaac/0xcc0 kernel/time/hrtimer.c:1756 hrtimer_interrupt+0x31b/0x800 kernel/time/hrtimer.c:1818 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline] __sysvec_apic_timer_interrupt+0x10f/0x450 arch/x86/kernel/apic/apic.c:1049 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0x43/0xb0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0023:0xf733ff2c Code: ce 19 d7 0f 83 13 01 00 00 89 6c 24 04 90 89 48 08 89 c7 83 e8 08 89 dd 89 50 14 8b 08 8b 50 04 39 ce 19 d5 72 e8 8b 6c 24 04 <89> 37 83 c5 08 89 5f 04 39 6c 24 08 75 b6 8b 6c 24 08 8b 5c 24 40 RSP: 002b:00000000ffe3d900 EFLAGS: 00000246 RAX: 00000000f6ddee98 RBX: 00000000ffffffff RCX: 0000000081f5822b RDX: 00000000ffffffff RSI: 0000000081f5822b RDI: 00000000f6ddeea0 RBP: 00000000f6ddeea0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 19 d7 sbb %edx,%edi 2: 0f 83 13 01 00 00 jae 0x11b 8: 89 6c 24 04 mov %ebp,0x4(%rsp) c: 90 nop d: 89 48 08 mov %ecx,0x8(%rax) 10: 89 c7 mov %eax,%edi 12: 83 e8 08 sub $0x8,%eax 15: 89 dd mov %ebx,%ebp 17: 89 50 14 mov %edx,0x14(%rax) 1a: 8b 08 mov (%rax),%ecx 1c: 8b 50 04 mov 0x4(%rax),%edx 1f: 39 ce cmp %ecx,%esi 21: 19 d5 sbb %edx,%ebp 23: 72 e8 jb 0xd 25: 8b 6c 24 04 mov 0x4(%rsp),%ebp * 29: 89 37 mov %esi,(%rdi) <-- trapping instruction 2b: 83 c5 08 add $0x8,%ebp 2e: 89 5f 04 mov %ebx,0x4(%rdi) 31: 39 6c 24 08 cmp %ebp,0x8(%rsp) 35: 75 b6 jne 0xffffffed 37: 8b 6c 24 08 mov 0x8(%rsp),%ebp 3b: 8b 5c 24 40 mov 0x40(%rsp),%ebx