------------[ cut here ]------------ ====================================================== WARNING: possible circular locking dependency detected syzkaller #0 Tainted: G L ------------------------------------------------------ syz.1.1038/11537 is trying to acquire lock: ffffffff8e6f14a0 (console_owner){-...}-{0:0}, at: console_lock_spinning_enable+0x61/0x80 kernel/printk/printk.c:1902 but task is already holding lock: ffff8880b843b620 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested kernel/sched/core.c:660 [inline] ffff8880b843b620 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x88/0x140 kernel/sched/core.c:644 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #4 (&rq->__lock){-.-.}-{2:2}: _raw_spin_lock_nested+0x31/0x40 kernel/locking/spinlock.c:382 raw_spin_rq_lock_nested+0x2c/0x140 kernel/sched/core.c:652 raw_spin_rq_lock kernel/sched/sched.h:1624 [inline] _task_rq_lock+0xcf/0x510 kernel/sched/core.c:747 cgroup_move_task+0x81/0x320 kernel/sched/psi.c:1170 css_set_move_task+0x285/0x600 kernel/cgroup/cgroup.c:899 cgroup_post_fork+0x202/0x9b0 kernel/cgroup/cgroup.c:6944 copy_process+0x5b9a/0x7ed0 kernel/fork.c:2524 kernel_clone+0x176/0x9e0 kernel/fork.c:2722 user_mode_thread+0xcc/0x110 kernel/fork.c:2798 rest_init+0x21/0x260 init/main.c:727 start_kernel+0x484/0x490 init/main.c:1220 x86_64_start_reservations+0x24/0x30 arch/x86/kernel/head64.c:310 x86_64_start_kernel+0x12b/0x130 arch/x86/kernel/head64.c:291 common_startup_64+0x13e/0x148 -> #3 (&p->pi_lock){-.-.}-{2:2}: __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:132 [inline] _raw_spin_lock_irqsave+0x3a/0x60 kernel/locking/spinlock.c:166 class_raw_spinlock_irqsave_constructor include/linux/spinlock.h:571 [inline] try_to_wake_up+0xb5/0x1900 kernel/sched/core.c:4190 __wake_up_common+0x135/0x1f0 kernel/sched/wait.c:108 __wake_up_common_lock kernel/sched/wait.c:125 [inline] __wake_up+0x31/0x60 kernel/sched/wait.c:146 tty_port_default_wakeup+0x52/0x70 drivers/tty/tty_port.c:67 serial8250_tx_chars+0x68f/0x860 drivers/tty/serial/8250/8250_port.c:1721 serial8250_handle_irq_locked+0x5e6/0x7e0 drivers/tty/serial/8250/8250_port.c:1828 serial8250_handle_irq.part.0+0xb4/0x530 drivers/tty/serial/8250/8250_port.c:1844 serial8250_handle_irq drivers/tty/serial/8250/8250_port.c:1840 [inline] serial8250_default_handle_irq+0xc2/0x290 drivers/tty/serial/8250/8250_port.c:1858 serial8250_interrupt+0xf8/0x1c0 drivers/tty/serial/8250/8250_core.c:86 __handle_irq_event_percpu+0x235/0x8c0 kernel/irq/handle.c:209 handle_irq_event_percpu kernel/irq/handle.c:246 [inline] handle_irq_event+0xab/0x1e0 kernel/irq/handle.c:263 handle_edge_irq+0x35e/0x960 kernel/irq/chip.c:857 generic_handle_irq_desc include/linux/irqdesc.h:186 [inline] handle_irq arch/x86/kernel/irq.c:262 [inline] call_irq_handler arch/x86/kernel/irq.c:318 [inline] __common_interrupt+0xd8/0x2f0 arch/x86/kernel/irq.c:333 common_interrupt+0xb9/0xe0 arch/x86/kernel/irq.c:326 asm_common_interrupt+0x26/0x40 arch/x86/include/asm/idtentry.h:688 native_safe_halt arch/x86/include/asm/irqflags.h:48 [inline] pv_native_safe_halt+0xf/0x20 arch/x86/kernel/paravirt.c:62 arch_safe_halt arch/x86/include/asm/paravirt.h:62 [inline] default_idle+0x9/0x10 arch/x86/kernel/process.c:767 default_idle_call+0x6c/0xb0 kernel/sched/idle.c:122 cpuidle_idle_call kernel/sched/idle.c:199 [inline] do_idle+0x464/0x590 kernel/sched/idle.c:352 cpu_startup_entry+0x4f/0x60 kernel/sched/idle.c:451 rest_init+0x251/0x260 init/main.c:762 start_kernel+0x484/0x490 init/main.c:1220 x86_64_start_reservations+0x24/0x30 arch/x86/kernel/head64.c:310 x86_64_start_kernel+0x12b/0x130 arch/x86/kernel/head64.c:291 common_startup_64+0x13e/0x148 -> #2 (&tty->write_wait){-.-.}-{3:3}: __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:132 [inline] _raw_spin_lock_irqsave+0x3a/0x60 kernel/locking/spinlock.c:166 __wake_up_common_lock kernel/sched/wait.c:124 [inline] __wake_up+0x1c/0x60 kernel/sched/wait.c:146 tty_port_default_wakeup+0x52/0x70 drivers/tty/tty_port.c:67 serial8250_tx_chars+0x68f/0x860 drivers/tty/serial/8250/8250_port.c:1721 serial8250_handle_irq_locked+0x5e6/0x7e0 drivers/tty/serial/8250/8250_port.c:1828 serial8250_handle_irq.part.0+0xb4/0x530 drivers/tty/serial/8250/8250_port.c:1844 serial8250_handle_irq drivers/tty/serial/8250/8250_port.c:1840 [inline] serial8250_default_handle_irq+0xc2/0x290 drivers/tty/serial/8250/8250_port.c:1858 serial8250_interrupt+0xf8/0x1c0 drivers/tty/serial/8250/8250_core.c:86 __handle_irq_event_percpu+0x235/0x8c0 kernel/irq/handle.c:209 handle_irq_event_percpu kernel/irq/handle.c:246 [inline] handle_irq_event+0xab/0x1e0 kernel/irq/handle.c:263 handle_edge_irq+0x35e/0x960 kernel/irq/chip.c:857 generic_handle_irq_desc include/linux/irqdesc.h:186 [inline] handle_irq arch/x86/kernel/irq.c:262 [inline] call_irq_handler arch/x86/kernel/irq.c:318 [inline] __common_interrupt+0xd8/0x2f0 arch/x86/kernel/irq.c:333 common_interrupt+0xb9/0xe0 arch/x86/kernel/irq.c:326 asm_common_interrupt+0x26/0x40 arch/x86/include/asm/idtentry.h:688 native_safe_halt arch/x86/include/asm/irqflags.h:48 [inline] pv_native_safe_halt+0xf/0x20 arch/x86/kernel/paravirt.c:62 arch_safe_halt arch/x86/include/asm/paravirt.h:62 [inline] default_idle+0x9/0x10 arch/x86/kernel/process.c:767 default_idle_call+0x6c/0xb0 kernel/sched/idle.c:122 cpuidle_idle_call kernel/sched/idle.c:199 [inline] do_idle+0x464/0x590 kernel/sched/idle.c:352 cpu_startup_entry+0x4f/0x60 kernel/sched/idle.c:451 rest_init+0x251/0x260 init/main.c:762 start_kernel+0x484/0x490 init/main.c:1220 x86_64_start_reservations+0x24/0x30 arch/x86/kernel/head64.c:310 x86_64_start_kernel+0x12b/0x130 arch/x86/kernel/head64.c:291 common_startup_64+0x13e/0x148 -> #1 (&port_lock_key){-.-.}-{3:3}: __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:132 [inline] _raw_spin_lock_irqsave+0x3a/0x60 kernel/locking/spinlock.c:166 uart_port_lock_irqsave include/linux/serial_core.h:717 [inline] serial8250_console_write+0x17e/0x1900 drivers/tty/serial/8250/8250_port.c:3319 console_emit_next_record kernel/printk/printk.c:3183 [inline] console_flush_one_record+0x790/0xe50 kernel/printk/printk.c:3269 console_flush_all kernel/printk/printk.c:3343 [inline] __console_flush_and_unlock kernel/printk/printk.c:3373 [inline] console_unlock+0x103/0x260 kernel/printk/printk.c:3413 vprintk_emit+0x407/0x6b0 kernel/printk/printk.c:2479 _printk+0xcf/0x110 kernel/printk/printk.c:2504 register_console.cold+0xc0/0x248 kernel/printk/printk.c:4208 univ8250_console_init+0x6f/0x80 drivers/tty/serial/8250/8250_core.c:515 console_init+0x3f7/0x5e0 kernel/printk/printk.c:4407 start_kernel+0x30a/0x490 init/main.c:1157 x86_64_start_reservations+0x24/0x30 arch/x86/kernel/head64.c:310 x86_64_start_kernel+0x12b/0x130 arch/x86/kernel/head64.c:291 common_startup_64+0x13e/0x148 -> #0 (console_owner){-...}-{0:0}: check_prev_add kernel/locking/lockdep.c:3165 [inline] check_prevs_add kernel/locking/lockdep.c:3284 [inline] validate_chain kernel/locking/lockdep.c:3908 [inline] __lock_acquire+0x14b8/0x2630 kernel/locking/lockdep.c:5237 lock_acquire kernel/locking/lockdep.c:5868 [inline] lock_acquire+0x1b1/0x370 kernel/locking/lockdep.c:5825 console_lock_spinning_enable+0x72/0x80 kernel/printk/printk.c:1902 console_emit_next_record kernel/printk/printk.c:3177 [inline] console_flush_one_record+0x739/0xe50 kernel/printk/printk.c:3269 console_flush_all kernel/printk/printk.c:3343 [inline] __console_flush_and_unlock kernel/printk/printk.c:3373 [inline] console_unlock+0x103/0x260 kernel/printk/printk.c:3413 vprintk_emit+0x407/0x6b0 kernel/printk/printk.c:2479 _printk+0xcf/0x110 kernel/printk/printk.c:2504 __report_bug.cold+0x15/0x137 lib/bug.c:240 report_bug+0xb2/0x220 lib/bug.c:278 handle_bug+0x16a/0x2a0 arch/x86/kernel/traps.c:436 exc_invalid_op+0x17/0x50 arch/x86/kernel/traps.c:490 asm_exc_invalid_op+0x1a/0x20 arch/x86/include/asm/idtentry.h:616 lockdep_assert_rq_held kernel/sched/sched.h:1612 [inline] lockdep_assert_rq_held kernel/sched/sched.h:1609 [inline] update_rq_clock+0x40a/0xd20 kernel/sched/core.c:850 pick_next_task kernel/sched/core.c:6222 [inline] __schedule+0x1e84/0x67a0 kernel/sched/core.c:7105 preempt_schedule_irq+0x50/0x90 kernel/sched/core.c:7513 irqentry_exit_to_kernel_mode_preempt include/linux/irq-entry-common.h:468 [inline] irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:539 [inline] irqentry_exit+0x205/0x970 kernel/entry/common.c:164 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 mas_start lib/maple_tree.c:1183 [inline] mtree_load+0x3b0/0xa90 lib/maple_tree.c:5657 vma_lookup include/linux/mm.h:4204 [inline] do_pages_stat_array mm/migrate.c:2462 [inline] do_pages_stat+0x3d1/0x7f0 mm/migrate.c:2532 kernel_move_pages+0xecf/0x13f0 mm/migrate.c:2613 __do_sys_move_pages mm/migrate.c:2624 [inline] __se_sys_move_pages mm/migrate.c:2619 [inline] __x64_sys_move_pages+0xe0/0x1c0 mm/migrate.c:2619 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 other info that might help us debug this: Chain exists of: console_owner --> &p->pi_lock --> &rq->__lock Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&rq->__lock); lock(&p->pi_lock); lock(&rq->__lock); lock(console_owner); *** DEADLOCK *** 5 locks held by syz.1.1038/11537: #0: ffff88803762ccb8 (&mm->mmap_lock){++++}-{4:4}, at: mmap_read_lock include/linux/mmap_lock.h:592 [inline] #0: ffff88803762ccb8 (&mm->mmap_lock){++++}-{4:4}, at: do_pages_stat_array mm/migrate.c:2453 [inline] #0: ffff88803762ccb8 (&mm->mmap_lock){++++}-{4:4}, at: do_pages_stat+0x1de/0x7f0 mm/migrate.c:2532 #1: ffffffff8e7e5360 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:300 [inline] #1: ffffffff8e7e5360 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:838 [inline] #1: ffffffff8e7e5360 (rcu_read_lock){....}-{1:3}, at: mtree_load+0xdc/0xa90 lib/maple_tree.c:5655 #2: ffff8880b843b620 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested kernel/sched/core.c:660 [inline] #2: ffff8880b843b620 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x88/0x140 kernel/sched/core.c:644 #3: ffffffff8e7d18e0 (console_lock){+.+.}-{0:0}, at: _printk+0xcf/0x110 kernel/printk/printk.c:2504 #4: ffffffff8e7d1958 (console_srcu){....}-{0:0}, at: rcu_try_lock_acquire include/linux/rcupdate.h:305 [inline] #4: ffffffff8e7d1958 (console_srcu){....}-{0:0}, at: srcu_read_lock_nmisafe include/linux/srcu.h:428 [inline] #4: ffffffff8e7d1958 (console_srcu){....}-{0:0}, at: console_srcu_read_lock kernel/printk/printk.c:291 [inline] #4: ffffffff8e7d1958 (console_srcu){....}-{0:0}, at: console_flush_one_record+0xfd/0xe50 kernel/printk/printk.c:3246 stack backtrace: CPU: 0 UID: 0 PID: 11537 Comm: syz.1.1038 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120 print_circular_bug.cold+0x178/0x1c7 kernel/locking/lockdep.c:2043 check_noncircular+0x146/0x160 kernel/locking/lockdep.c:2175 check_prev_add kernel/locking/lockdep.c:3165 [inline] check_prevs_add kernel/locking/lockdep.c:3284 [inline] validate_chain kernel/locking/lockdep.c:3908 [inline] __lock_acquire+0x14b8/0x2630 kernel/locking/lockdep.c:5237 lock_acquire kernel/locking/lockdep.c:5868 [inline] lock_acquire+0x1b1/0x370 kernel/locking/lockdep.c:5825 console_lock_spinning_enable+0x72/0x80 kernel/printk/printk.c:1902 console_emit_next_record kernel/printk/printk.c:3177 [inline] console_flush_one_record+0x739/0xe50 kernel/printk/printk.c:3269 console_flush_all kernel/printk/printk.c:3343 [inline] __console_flush_and_unlock kernel/printk/printk.c:3373 [inline] console_unlock+0x103/0x260 kernel/printk/printk.c:3413 vprintk_emit+0x407/0x6b0 kernel/printk/printk.c:2479 _printk+0xcf/0x110 kernel/printk/printk.c:2504 __report_bug.cold+0x15/0x137 lib/bug.c:240 report_bug+0xb2/0x220 lib/bug.c:278 handle_bug+0x16a/0x2a0 arch/x86/kernel/traps.c:436 exc_invalid_op+0x17/0x50 arch/x86/kernel/traps.c:490 asm_exc_invalid_op+0x1a/0x20 arch/x86/include/asm/idtentry.h:616 RIP: 0010:lockdep_assert_rq_held kernel/sched/sched.h:1612 [inline] RIP: 0010:lockdep_assert_rq_held kernel/sched/sched.h:1609 [inline] RIP: 0010:update_rq_clock+0x40a/0xd20 kernel/sched/core.c:850 Code: ab 88 0b 00 00 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f e9 18 f5 b4 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 80 0b 00 00 48 b8 00 00 00 00 00 RSP: 0018:ffffc90006bc76f8 EFLAGS: 00010046 RAX: 0000000000000000 RBX: ffff8880b853b5c0 RCX: 0000000000000001 RDX: 0000000000000046 RSI: ffffffff8def590b RDI: ffffffff8c1c4580 RBP: ffffc90006bc78a8 R08: 0000000000000001 R09: 0000000000000001 R10: ffffffff90d74757 R11: 0000000000000000 R12: ffffffff90d77ac4 R13: ffff8880b853c460 R14: ffff88801e2f9f00 R15: ffff8880b853b5c0 pick_next_task kernel/sched/core.c:6222 [inline] __schedule+0x1e84/0x67a0 kernel/sched/core.c:7105 preempt_schedule_irq+0x50/0x90 kernel/sched/core.c:7513 irqentry_exit_to_kernel_mode_preempt include/linux/irq-entry-common.h:468 [inline] irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:539 [inline] irqentry_exit+0x205/0x970 kernel/entry/common.c:164 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0010:mte_safe_root lib/maple_tree.c:331 [inline] RIP: 0010:mas_start lib/maple_tree.c:1184 [inline] RIP: 0010:mtree_load+0x3b0/0xa90 lib/maple_tree.c:5657 Code: 10 00 00 e8 02 2d 89 f6 48 81 fb 00 10 00 00 0f 86 80 05 00 00 e8 10 32 89 f6 48 89 d8 30 db c7 84 24 98 00 00 00 00 00 00 00 <48> 83 e0 fd 48 89 44 24 68 31 c0 66 89 84 24 9c 00 00 00 48 b8 00 RSP: 0018:ffffc90006bc79c0 EFLAGS: 00000246 RAX: ffff888025d2be1e RBX: ffff888025d2be00 RCX: ffffc90004111000 RDX: 0000000000080000 RSI: ffffffff8b7ec990 RDI: ffff888031e4be00 RBP: 0000000000000002 R08: 0000000000000007 R09: 0000000000001000 R10: ffff888025d2be1e R11: 0000000000000000 R12: dffffc0000000000 R13: 0000000000000300 R14: 0000000000000000 R15: 00000000fffffff2 vma_lookup include/linux/mm.h:4204 [inline] do_pages_stat_array mm/migrate.c:2462 [inline] do_pages_stat+0x3d1/0x7f0 mm/migrate.c:2532 kernel_move_pages+0xecf/0x13f0 mm/migrate.c:2613 __do_sys_move_pages mm/migrate.c:2624 [inline] __se_sys_move_pages mm/migrate.c:2619 [inline] __x64_sys_move_pages+0xe0/0x1c0 mm/migrate.c:2619 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: 0033:0x7f79e839ce59 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:00007f79e929c028 EFLAGS: 00000246 ORIG_RAX: 0000000000000117 RAX: ffffffffffffffda RBX: 00007f79e8615fa0 RCX: 00007f79e839ce59 RDX: 0000000000000000 RSI: 0002000000000003 RDI: 0000000000000000 RBP: 00007f79e8432d6f R08: 0000000000000000 R09: 8000400000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f79e8616038 R14: 00007f79e8615fa0 R15: 00007ffd66c4a128 debug_locks && !(lock_is_held(&(__rq_lockp(rq))->dep_map) != 0) WARNING: kernel/sched/sched.h:1612 at lockdep_assert_rq_held kernel/sched/sched.h:1612 [inline], CPU#0: syz.1.1038/11537 WARNING: kernel/sched/sched.h:1612 at lockdep_assert_rq_held kernel/sched/sched.h:1609 [inline], CPU#0: syz.1.1038/11537 WARNING: kernel/sched/sched.h:1612 at update_rq_clock+0x40a/0xd20 kernel/sched/core.c:850, CPU#0: syz.1.1038/11537 Modules linked in: CPU: 0 UID: 0 PID: 11537 Comm: syz.1.1038 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 RIP: 0010:lockdep_assert_rq_held kernel/sched/sched.h:1612 [inline] RIP: 0010:lockdep_assert_rq_held kernel/sched/sched.h:1609 [inline] RIP: 0010:update_rq_clock+0x40a/0xd20 kernel/sched/core.c:850 Code: ab 88 0b 00 00 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f e9 18 f5 b4 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 80 0b 00 00 48 b8 00 00 00 00 00 RSP: 0018:ffffc90006bc76f8 EFLAGS: 00010046 RAX: 0000000000000000 RBX: ffff8880b853b5c0 RCX: 0000000000000001 RDX: 0000000000000046 RSI: ffffffff8def590b RDI: ffffffff8c1c4580 RBP: ffffc90006bc78a8 R08: 0000000000000001 R09: 0000000000000001 R10: ffffffff90d74757 R11: 0000000000000000 R12: ffffffff90d77ac4 R13: ffff8880b853c460 R14: ffff88801e2f9f00 R15: ffff8880b853b5c0 FS: 00007f79e929c6c0(0000) GS:ffff88812438e000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000001448000 CR3: 000000003c13c000 CR4: 00000000003526f0 Call Trace: pick_next_task kernel/sched/core.c:6222 [inline] __schedule+0x1e84/0x67a0 kernel/sched/core.c:7105 preempt_schedule_irq+0x50/0x90 kernel/sched/core.c:7513 irqentry_exit_to_kernel_mode_preempt include/linux/irq-entry-common.h:468 [inline] irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:539 [inline] irqentry_exit+0x205/0x970 kernel/entry/common.c:164 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0010:mte_safe_root lib/maple_tree.c:331 [inline] RIP: 0010:mas_start lib/maple_tree.c:1184 [inline] RIP: 0010:mtree_load+0x3b0/0xa90 lib/maple_tree.c:5657 Code: 10 00 00 e8 02 2d 89 f6 48 81 fb 00 10 00 00 0f 86 80 05 00 00 e8 10 32 89 f6 48 89 d8 30 db c7 84 24 98 00 00 00 00 00 00 00 <48> 83 e0 fd 48 89 44 24 68 31 c0 66 89 84 24 9c 00 00 00 48 b8 00 RSP: 0018:ffffc90006bc79c0 EFLAGS: 00000246 RAX: ffff888025d2be1e RBX: ffff888025d2be00 RCX: ffffc90004111000 RDX: 0000000000080000 RSI: ffffffff8b7ec990 RDI: ffff888031e4be00 RBP: 0000000000000002 R08: 0000000000000007 R09: 0000000000001000 R10: ffff888025d2be1e R11: 0000000000000000 R12: dffffc0000000000 R13: 0000000000000300 R14: 0000000000000000 R15: 00000000fffffff2 vma_lookup include/linux/mm.h:4204 [inline] do_pages_stat_array mm/migrate.c:2462 [inline] do_pages_stat+0x3d1/0x7f0 mm/migrate.c:2532 kernel_move_pages+0xecf/0x13f0 mm/migrate.c:2613 __do_sys_move_pages mm/migrate.c:2624 [inline] __se_sys_move_pages mm/migrate.c:2619 [inline] __x64_sys_move_pages+0xe0/0x1c0 mm/migrate.c:2619 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: 0033:0x7f79e839ce59 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:00007f79e929c028 EFLAGS: 00000246 ORIG_RAX: 0000000000000117 RAX: ffffffffffffffda RBX: 00007f79e8615fa0 RCX: 00007f79e839ce59 RDX: 0000000000000000 RSI: 0002000000000003 RDI: 0000000000000000 RBP: 00007f79e8432d6f R08: 0000000000000000 R09: 8000400000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f79e8616038 R14: 00007f79e8615fa0 R15: 00007ffd66c4a128 ---------------- Code disassembly (best guess): 0: 10 00 adc %al,(%rax) 2: 00 e8 add %ch,%al 4: 02 2d 89 f6 48 81 add -0x7eb70977(%rip),%ch # 0x8148f693 a: fb sti b: 00 10 add %dl,(%rax) d: 00 00 add %al,(%rax) f: 0f 86 80 05 00 00 jbe 0x595 15: e8 10 32 89 f6 call 0xf689322a 1a: 48 89 d8 mov %rbx,%rax 1d: 30 db xor %bl,%bl 1f: c7 84 24 98 00 00 00 movl $0x0,0x98(%rsp) 26: 00 00 00 00 * 2a: 48 83 e0 fd and $0xfffffffffffffffd,%rax <-- trapping instruction 2e: 48 89 44 24 68 mov %rax,0x68(%rsp) 33: 31 c0 xor %eax,%eax 35: 66 89 84 24 9c 00 00 mov %ax,0x9c(%rsp) 3c: 00 3d: 48 rex.W 3e: b8 .byte 0xb8