------------[ cut here ]------------ ====================================================== WARNING: possible circular locking dependency detected 6.13.0-rc2-syzkaller-00059-g00a5acdbf398 #0 Not tainted ------------------------------------------------------ syz.9.2082/14041 is trying to acquire lock: ffffffff8e813440 (console_owner){-.-.}-{0:0}, at: rcu_try_lock_acquire include/linux/rcupdate.h:342 [inline] ffffffff8e813440 (console_owner){-.-.}-{0:0}, at: srcu_read_lock_nmisafe include/linux/srcu.h:297 [inline] ffffffff8e813440 (console_owner){-.-.}-{0:0}, at: console_srcu_read_lock kernel/printk/printk.c:288 [inline] ffffffff8e813440 (console_owner){-.-.}-{0:0}, at: console_flush_all+0x1a3/0xeb0 kernel/printk/printk.c:3187 but task is already holding lock: ffff8880b873e8d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:598 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #4 (&rq->__lock){-.-.}-{2:2}: lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5849 _raw_spin_lock_nested+0x31/0x40 kernel/locking/spinlock.c:378 raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:598 raw_spin_rq_lock kernel/sched/sched.h:1514 [inline] task_rq_lock+0xc6/0x360 kernel/sched/core.c:700 cgroup_move_task+0x9b/0x5a0 kernel/sched/psi.c:1161 css_set_move_task+0x72e/0x950 kernel/cgroup/cgroup.c:898 cgroup_post_fork+0x256/0x880 kernel/cgroup/cgroup.c:6691 copy_process+0x39e9/0x3d50 kernel/fork.c:2621 kernel_clone+0x226/0x8e0 kernel/fork.c:2807 user_mode_thread+0x132/0x1a0 kernel/fork.c:2885 rest_init+0x23/0x300 init/main.c:712 start_kernel+0x47f/0x500 init/main.c:1102 x86_64_start_reservations+0x2a/0x30 arch/x86/kernel/head64.c:507 x86_64_start_kernel+0x9f/0xa0 arch/x86/kernel/head64.c:488 common_startup_64+0x13e/0x147 -> #3 (&p->pi_lock){-.-.}-{2:2}: lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5849 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xd5/0x120 kernel/locking/spinlock.c:162 class_raw_spinlock_irqsave_constructor include/linux/spinlock.h:551 [inline] try_to_wake_up+0xc2/0x1470 kernel/sched/core.c:4205 __wake_up_common kernel/sched/wait.c:89 [inline] __wake_up_common_lock+0x130/0x1e0 kernel/sched/wait.c:106 tty_port_default_wakeup+0xa6/0xf0 drivers/tty/tty_port.c:69 serial8250_tx_chars+0x6e2/0x930 drivers/tty/serial/8250/8250_port.c:1840 serial8250_handle_irq+0x630/0xb80 drivers/tty/serial/8250/8250_port.c:1948 serial8250_default_handle_irq+0xd1/0x1f0 drivers/tty/serial/8250/8250_port.c:1968 serial8250_interrupt+0xa9/0x1f0 drivers/tty/serial/8250/8250_core.c:86 __handle_irq_event_percpu+0x29a/0xa60 kernel/irq/handle.c:158 handle_irq_event_percpu kernel/irq/handle.c:193 [inline] handle_irq_event+0x89/0x1f0 kernel/irq/handle.c:210 handle_edge_irq+0x25f/0xc20 kernel/irq/chip.c:831 generic_handle_irq_desc include/linux/irqdesc.h:173 [inline] handle_irq arch/x86/kernel/irq.c:247 [inline] call_irq_handler arch/x86/kernel/irq.c:259 [inline] __common_interrupt+0x136/0x230 arch/x86/kernel/irq.c:285 common_interrupt+0xb4/0xd0 arch/x86/kernel/irq.c:278 asm_common_interrupt+0x26/0x40 arch/x86/include/asm/idtentry.h:693 native_safe_halt arch/x86/include/asm/irqflags.h:48 [inline] arch_safe_halt arch/x86/include/asm/irqflags.h:106 [inline] acpi_safe_halt+0x21/0x30 drivers/acpi/processor_idle.c:111 acpi_idle_enter+0xe4/0x140 drivers/acpi/processor_idle.c:699 cpuidle_enter_state+0x109/0x470 drivers/cpuidle/cpuidle.c:268 cpuidle_enter+0x5d/0xa0 drivers/cpuidle/cpuidle.c:389 call_cpuidle kernel/sched/idle.c:155 [inline] cpuidle_idle_call kernel/sched/idle.c:230 [inline] do_idle+0x372/0x5c0 kernel/sched/idle.c:325 cpu_startup_entry+0x42/0x60 kernel/sched/idle.c:423 rest_init+0x2dc/0x300 init/main.c:747 start_kernel+0x47f/0x500 init/main.c:1102 x86_64_start_reservations+0x2a/0x30 arch/x86/kernel/head64.c:507 x86_64_start_kernel+0x9f/0xa0 arch/x86/kernel/head64.c:488 common_startup_64+0x13e/0x147 -> #2 (&tty->write_wait){-.-.}-{3:3}: lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5849 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xd5/0x120 kernel/locking/spinlock.c:162 __wake_up_common_lock+0x25/0x1e0 kernel/sched/wait.c:105 tty_port_default_wakeup+0xa6/0xf0 drivers/tty/tty_port.c:69 serial8250_tx_chars+0x6e2/0x930 drivers/tty/serial/8250/8250_port.c:1840 serial8250_handle_irq+0x630/0xb80 drivers/tty/serial/8250/8250_port.c:1948 serial8250_default_handle_irq+0xd1/0x1f0 drivers/tty/serial/8250/8250_port.c:1968 serial8250_interrupt+0xa9/0x1f0 drivers/tty/serial/8250/8250_core.c:86 __handle_irq_event_percpu+0x29a/0xa60 kernel/irq/handle.c:158 handle_irq_event_percpu kernel/irq/handle.c:193 [inline] handle_irq_event+0x89/0x1f0 kernel/irq/handle.c:210 handle_edge_irq+0x25f/0xc20 kernel/irq/chip.c:831 generic_handle_irq_desc include/linux/irqdesc.h:173 [inline] handle_irq arch/x86/kernel/irq.c:247 [inline] call_irq_handler arch/x86/kernel/irq.c:259 [inline] __common_interrupt+0x136/0x230 arch/x86/kernel/irq.c:285 common_interrupt+0xb4/0xd0 arch/x86/kernel/irq.c:278 asm_common_interrupt+0x26/0x40 arch/x86/include/asm/idtentry.h:693 native_safe_halt arch/x86/include/asm/irqflags.h:48 [inline] arch_safe_halt arch/x86/include/asm/irqflags.h:106 [inline] acpi_safe_halt+0x21/0x30 drivers/acpi/processor_idle.c:111 acpi_idle_enter+0xe4/0x140 drivers/acpi/processor_idle.c:699 cpuidle_enter_state+0x109/0x470 drivers/cpuidle/cpuidle.c:268 cpuidle_enter+0x5d/0xa0 drivers/cpuidle/cpuidle.c:389 call_cpuidle kernel/sched/idle.c:155 [inline] cpuidle_idle_call kernel/sched/idle.c:230 [inline] do_idle+0x372/0x5c0 kernel/sched/idle.c:325 cpu_startup_entry+0x42/0x60 kernel/sched/idle.c:423 rest_init+0x2dc/0x300 init/main.c:747 start_kernel+0x47f/0x500 init/main.c:1102 x86_64_start_reservations+0x2a/0x30 arch/x86/kernel/head64.c:507 x86_64_start_kernel+0x9f/0xa0 arch/x86/kernel/head64.c:488 common_startup_64+0x13e/0x147 -> #1 (&port_lock_key){-.-.}-{3:3}: lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5849 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xd5/0x120 kernel/locking/spinlock.c:162 uart_port_lock_irqsave include/linux/serial_core.h:715 [inline] serial8250_console_write+0x1a7/0x1ed0 drivers/tty/serial/8250/8250_port.c:3371 console_emit_next_record kernel/printk/printk.c:3122 [inline] console_flush_all+0x86b/0xeb0 kernel/printk/printk.c:3210 __console_flush_and_unlock kernel/printk/printk.c:3269 [inline] console_unlock+0x14f/0x3b0 kernel/printk/printk.c:3309 vprintk_emit+0x730/0xa10 kernel/printk/printk.c:2432 _printk+0xd5/0x120 kernel/printk/printk.c:2457 register_console+0xbf5/0xfd0 kernel/printk/printk.c:4099 univ8250_console_init+0x52/0x90 drivers/tty/serial/8250/8250_core.c:513 console_init+0x1b8/0x6f0 kernel/printk/printk.c:4292 start_kernel+0x2d8/0x500 init/main.c:1037 x86_64_start_reservations+0x2a/0x30 arch/x86/kernel/head64.c:507 x86_64_start_kernel+0x9f/0xa0 arch/x86/kernel/head64.c:488 common_startup_64+0x13e/0x147 -> #0 (console_owner){-.-.}-{0:0}: check_prev_add kernel/locking/lockdep.c:3161 [inline] check_prevs_add kernel/locking/lockdep.c:3280 [inline] validate_chain+0x18ef/0x5920 kernel/locking/lockdep.c:3904 __lock_acquire+0x1397/0x2100 kernel/locking/lockdep.c:5226 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5849 console_lock_spinning_enable kernel/printk/printk.c:1924 [inline] console_emit_next_record kernel/printk/printk.c:3116 [inline] console_flush_all+0x7f8/0xeb0 kernel/printk/printk.c:3210 __console_flush_and_unlock kernel/printk/printk.c:3269 [inline] console_unlock+0x14f/0x3b0 kernel/printk/printk.c:3309 vprintk_emit+0x730/0xa10 kernel/printk/printk.c:2432 _printk+0xd5/0x120 kernel/printk/printk.c:2457 __report_bug lib/bug.c:195 [inline] report_bug+0x346/0x500 lib/bug.c:219 handle_bug+0x60/0x90 arch/x86/kernel/traps.c:285 exc_invalid_op+0x1a/0x50 arch/x86/kernel/traps.c:309 asm_exc_invalid_op+0x1a/0x20 arch/x86/include/asm/idtentry.h:621 enqueue_dl_entity+0x1630/0x1d60 kernel/sched/deadline.c:1995 dl_server_start+0xc9/0x240 kernel/sched/deadline.c:1650 enqueue_task_fair+0xb5c/0xea0 kernel/sched/fair.c:7044 enqueue_task+0x72/0x330 kernel/sched/core.c:2061 activate_task+0x61/0xc0 kernel/sched/core.c:2108 attach_task+0xee/0x190 kernel/sched/fair.c:9641 attach_tasks kernel/sched/fair.c:9676 [inline] sched_balance_rq+0x664a/0x8620 kernel/sched/fair.c:11753 sched_balance_newidle+0x6ba/0xfd0 kernel/sched/fair.c:12795 pick_next_task_fair+0x40/0xc90 kernel/sched/fair.c:8943 __pick_next_task+0xdd/0x400 kernel/sched/core.c:6023 __schedule+0x776/0x4c30 kernel/sched/core.c:6709 __schedule_loop kernel/sched/core.c:6833 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6848 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905 __mutex_lock_common kernel/locking/mutex.c:665 [inline] __mutex_lock+0x7e7/0xee0 kernel/locking/mutex.c:735 perf_trace_destroy+0x2e/0x140 kernel/trace/trace_event_perf.c:239 _free_event+0xb7d/0xf60 kernel/events/core.c:5350 put_event kernel/events/core.c:5447 [inline] perf_event_release_kernel+0x7c1/0x850 kernel/events/core.c:5572 perf_release+0x38/0x40 kernel/events/core.c:5582 __fput+0x23c/0xa50 fs/file_table.c:450 task_work_run+0x24f/0x310 kernel/task_work.c:239 exit_task_work include/linux/task_work.h:43 [inline] do_exit+0xa2f/0x28e0 kernel/exit.c:938 __do_sys_exit kernel/exit.c:1054 [inline] __se_sys_exit kernel/exit.c:1052 [inline] __pfx___ia32_sys_exit+0x0/0x10 kernel/exit.c:1052 x64_sys_call+0x2696/0x26b0 arch/x86/include/generated/asm/syscalls_64.h:61 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 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.9.2082/14041: #0: ffffffff8e99a508 (event_mutex){+.+.}-{4:4}, at: perf_trace_destroy+0x2e/0x140 kernel/trace/trace_event_perf.c:239 #1: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline] #1: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #1: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: sched_balance_newidle+0x2c0/0xfd0 kernel/sched/fair.c:12765 #2: ffff8880b873e8d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:598 #3: ffffffff8e8134a0 (console_lock){+.+.}-{0:0}, at: _printk+0xd5/0x120 kernel/printk/printk.c:2457 #4: ffffffff8e8130b0 (console_srcu){....}-{0:0}, at: rcu_try_lock_acquire include/linux/rcupdate.h:342 [inline] #4: ffffffff8e8130b0 (console_srcu){....}-{0:0}, at: srcu_read_lock_nmisafe include/linux/srcu.h:297 [inline] #4: ffffffff8e8130b0 (console_srcu){....}-{0:0}, at: console_srcu_read_lock kernel/printk/printk.c:288 [inline] #4: ffffffff8e8130b0 (console_srcu){....}-{0:0}, at: console_flush_all+0x1a3/0xeb0 kernel/printk/printk.c:3187 stack backtrace: CPU: 1 UID: 0 PID: 14041 Comm: syz.9.2082 Not tainted 6.13.0-rc2-syzkaller-00059-g00a5acdbf398 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 print_circular_bug+0x13a/0x1b0 kernel/locking/lockdep.c:2074 check_noncircular+0x36a/0x4a0 kernel/locking/lockdep.c:2206 check_prev_add kernel/locking/lockdep.c:3161 [inline] check_prevs_add kernel/locking/lockdep.c:3280 [inline] validate_chain+0x18ef/0x5920 kernel/locking/lockdep.c:3904 __lock_acquire+0x1397/0x2100 kernel/locking/lockdep.c:5226 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5849 console_lock_spinning_enable kernel/printk/printk.c:1924 [inline] console_emit_next_record kernel/printk/printk.c:3116 [inline] console_flush_all+0x7f8/0xeb0 kernel/printk/printk.c:3210 __console_flush_and_unlock kernel/printk/printk.c:3269 [inline] console_unlock+0x14f/0x3b0 kernel/printk/printk.c:3309 vprintk_emit+0x730/0xa10 kernel/printk/printk.c:2432 _printk+0xd5/0x120 kernel/printk/printk.c:2457 __report_bug lib/bug.c:195 [inline] report_bug+0x346/0x500 lib/bug.c:219 handle_bug+0x60/0x90 arch/x86/kernel/traps.c:285 exc_invalid_op+0x1a/0x50 arch/x86/kernel/traps.c:309 asm_exc_invalid_op+0x1a/0x20 arch/x86/include/asm/idtentry.h:621 RIP: 0010:enqueue_dl_entity+0x1630/0x1d60 kernel/sched/deadline.c:1995 Code: df 0f b6 04 08 84 c0 0f 85 cf 02 00 00 8b 75 00 48 89 df 4c 89 ea 48 83 c4 58 5b 41 5c 41 5d 41 5e 41 5f 5d e9 d1 1f ff ff 90 <0f> 0b 90 e9 09 ea ff ff 90 0f 0b 90 e9 c4 fb ff ff 90 0f 0b 90 e9 RSP: 0018:ffffc900052aec30 EFLAGS: 00010017 RAX: dffffc0000000000 RBX: ffff8880b873f2c0 RCX: 1ffff110170e7e55 RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8880b873f2a8 RBP: 0000000000000001 R08: ffff88802893a507 R09: 1ffff110051274a0 R10: dffffc0000000000 R11: ffffed10051274a1 R12: ffff8880b873f2a8 R13: ffff8880b873f2a8 R14: ffff8880b873f2fc R15: ffff8880b873f380 dl_server_start+0xc9/0x240 kernel/sched/deadline.c:1650 enqueue_task_fair+0xb5c/0xea0 kernel/sched/fair.c:7044 enqueue_task+0x72/0x330 kernel/sched/core.c:2061 activate_task+0x61/0xc0 kernel/sched/core.c:2108 attach_task+0xee/0x190 kernel/sched/fair.c:9641 attach_tasks kernel/sched/fair.c:9676 [inline] sched_balance_rq+0x664a/0x8620 kernel/sched/fair.c:11753 sched_balance_newidle+0x6ba/0xfd0 kernel/sched/fair.c:12795 pick_next_task_fair+0x40/0xc90 kernel/sched/fair.c:8943 __pick_next_task+0xdd/0x400 kernel/sched/core.c:6023 __schedule+0x776/0x4c30 kernel/sched/core.c:6709 __schedule_loop kernel/sched/core.c:6833 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6848 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905 __mutex_lock_common kernel/locking/mutex.c:665 [inline] __mutex_lock+0x7e7/0xee0 kernel/locking/mutex.c:735 perf_trace_destroy+0x2e/0x140 kernel/trace/trace_event_perf.c:239 _free_event+0xb7d/0xf60 kernel/events/core.c:5350 put_event kernel/events/core.c:5447 [inline] perf_event_release_kernel+0x7c1/0x850 kernel/events/core.c:5572 perf_release+0x38/0x40 kernel/events/core.c:5582 __fput+0x23c/0xa50 fs/file_table.c:450 task_work_run+0x24f/0x310 kernel/task_work.c:239 exit_task_work include/linux/task_work.h:43 [inline] do_exit+0xa2f/0x28e0 kernel/exit.c:938 __do_sys_exit kernel/exit.c:1054 [inline] __se_sys_exit kernel/exit.c:1052 [inline] __x64_sys_exit+0x40/0x40 kernel/exit.c:1052 x64_sys_call+0x2696/0x26b0 arch/x86/include/generated/asm/syscalls_64.h:61 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb25d585d19 Code: Unable to access opcode bytes at 0x7fb25d585cef. RSP: 002b:00007fb25e3eefe8 EFLAGS: 00000246 ORIG_RAX: 000000000000003c RAX: ffffffffffffffda RBX: 00007fb25d775fa0 RCX: 00007fb25d585d19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007fb25d601a20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fb25d775fa0 R15: 00007ffe48651e38 WARNING: CPU: 1 PID: 14041 at kernel/sched/deadline.c:1995 enqueue_dl_entity+0x1630/0x1d60 kernel/sched/deadline.c:1995 Modules linked in: CPU: 1 UID: 0 PID: 14041 Comm: syz.9.2082 Not tainted 6.13.0-rc2-syzkaller-00059-g00a5acdbf398 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 RIP: 0010:enqueue_dl_entity+0x1630/0x1d60 kernel/sched/deadline.c:1995 Code: df 0f b6 04 08 84 c0 0f 85 cf 02 00 00 8b 75 00 48 89 df 4c 89 ea 48 83 c4 58 5b 41 5c 41 5d 41 5e 41 5f 5d e9 d1 1f ff ff 90 <0f> 0b 90 e9 09 ea ff ff 90 0f 0b 90 e9 c4 fb ff ff 90 0f 0b 90 e9 RSP: 0018:ffffc900052aec30 EFLAGS: 00010017 RAX: dffffc0000000000 RBX: ffff8880b873f2c0 RCX: 1ffff110170e7e55 RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8880b873f2a8 RBP: 0000000000000001 R08: ffff88802893a507 R09: 1ffff110051274a0 R10: dffffc0000000000 R11: ffffed10051274a1 R12: ffff8880b873f2a8 R13: ffff8880b873f2a8 R14: ffff8880b873f2fc R15: ffff8880b873f380 FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb25e3cdf98 CR3: 00000000687c8000 CR4: 00000000003526f0 DR0: 0000000020000300 DR1: 0000000020000300 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: dl_server_start+0xc9/0x240 kernel/sched/deadline.c:1650 enqueue_task_fair+0xb5c/0xea0 kernel/sched/fair.c:7044 enqueue_task+0x72/0x330 kernel/sched/core.c:2061 activate_task+0x61/0xc0 kernel/sched/core.c:2108 attach_task+0xee/0x190 kernel/sched/fair.c:9641 attach_tasks kernel/sched/fair.c:9676 [inline] sched_balance_rq+0x664a/0x8620 kernel/sched/fair.c:11753 sched_balance_newidle+0x6ba/0xfd0 kernel/sched/fair.c:12795 pick_next_task_fair+0x40/0xc90 kernel/sched/fair.c:8943 __pick_next_task+0xdd/0x400 kernel/sched/core.c:6023 __schedule+0x776/0x4c30 kernel/sched/core.c:6709 __schedule_loop kernel/sched/core.c:6833 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6848 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905 __mutex_lock_common kernel/locking/mutex.c:665 [inline] __mutex_lock+0x7e7/0xee0 kernel/locking/mutex.c:735 perf_trace_destroy+0x2e/0x140 kernel/trace/trace_event_perf.c:239 _free_event+0xb7d/0xf60 kernel/events/core.c:5350 put_event kernel/events/core.c:5447 [inline] perf_event_release_kernel+0x7c1/0x850 kernel/events/core.c:5572 perf_release+0x38/0x40 kernel/events/core.c:5582 __fput+0x23c/0xa50 fs/file_table.c:450 task_work_run+0x24f/0x310 kernel/task_work.c:239 exit_task_work include/linux/task_work.h:43 [inline] do_exit+0xa2f/0x28e0 kernel/exit.c:938 __do_sys_exit kernel/exit.c:1054 [inline] __se_sys_exit kernel/exit.c:1052 [inline] __x64_sys_exit+0x40/0x40 kernel/exit.c:1052 x64_sys_call+0x2696/0x26b0 arch/x86/include/generated/asm/syscalls_64.h:61 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb25d585d19 Code: Unable to access opcode bytes at 0x7fb25d585cef. RSP: 002b:00007fb25e3eefe8 EFLAGS: 00000246 ORIG_RAX: 000000000000003c RAX: ffffffffffffffda RBX: 00007fb25d775fa0 RCX: 00007fb25d585d19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007fb25d601a20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fb25d775fa0 R15: 00007ffe48651e38