rcu: INFO: rcu_preempt self-detected stall on CPU rcu: 0-...!: (10501 ticks this GP) idle=d604/1/0x4000000000000000 softirq=16422/16422 fqs=0 (t=10501 jiffies g=23257 q=546 ncpus=2) rcu: rcu_preempt kthread starved for 10501 jiffies! g23257 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. rcu: RCU grace-period kthread stack dump: task:rcu_preempt state:R running task stack:26408 pid:16 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5241 [inline] __schedule+0x143f/0x4570 kernel/sched/core.c:6558 schedule+0xbf/0x180 kernel/sched/core.c:6634 schedule_timeout+0x1b9/0x300 kernel/time/timer.c:1965 rcu_gp_fqs_loop+0x2d2/0x1150 kernel/rcu/tree.c:1706 rcu_gp_kthread+0xa3/0x3b0 kernel/rcu/tree.c:1905 kthread+0x28d/0x320 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 rcu: Stack dump where RCU GP kthread last ran: CPU: 0 PID: 5060 Comm: syz.0.353 Not tainted 6.1.110-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:unwind_next_frame+0x144/0x2220 arch/x86/kernel/unwind_orc.c:448 Code: 48 89 dd 48 c1 ed 03 48 bf 00 00 00 00 00 fc ff df 0f b6 44 3d 00 84 c0 0f 85 93 1a 00 00 48 89 9c 24 90 00 00 00 4c 0f be 2b <48> 8b 44 24 30 80 3c 38 00 48 8b 5c 24 18 74 0e 49 89 fe 48 89 df RSP: 0018:ffffc90000006fe0 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffffc900000070f5 RCX: ffffffff97333103 RDX: dffffc0000000000 RSI: ffffffff89637bf7 RDI: dffffc0000000000 RBP: 1ffff92000000e1e R08: 0000000000000008 R09: ffffc900000071b0 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880277a9dc0 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff89637bf7 FS: 00007fea46abc6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2fe19ff8 CR3: 0000000073eef000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: arch_stack_walk+0x10d/0x140 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122 kasan_save_stack+0x3b/0x60 mm/kasan/common.c:45 __kasan_record_aux_stack+0xb0/0xc0 mm/kasan/generic.c:486 kvfree_call_rcu+0x116/0x8c0 kernel/rcu/tree.c:3401 neigh_del net/core/neighbour.c:225 [inline] neigh_remove_one+0x5c6/0x6d0 net/core/neighbour.c:246 neigh_forced_gc net/core/neighbour.c:279 [inline] neigh_alloc net/core/neighbour.c:485 [inline] ___neigh_create+0x459/0x24b0 net/core/neighbour.c:648 ip6_finish_output2+0x15ae/0x15f0 net/ipv6/ip6_output.c:129 __ip6_finish_output net/ipv6/ip6_output.c:205 [inline] ip6_finish_output+0x6a0/0xa80 net/ipv6/ip6_output.c:216 dst_output include/net/dst.h:444 [inline] NF_HOOK include/linux/netfilter.h:302 [inline] ndisc_send_skb+0xbab/0x14e0 net/ipv6/ndisc.c:511 addrconf_rs_timer+0x357/0x610 net/ipv6/addrconf.c:3963 call_timer_fn+0x1ad/0x6b0 kernel/time/timer.c:1504 expire_timers kernel/time/timer.c:1549 [inline] __run_timers+0x67c/0x890 kernel/time/timer.c:1820 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1833 handle_softirqs+0x2ee/0xa40 kernel/softirq.c:571 __do_softirq kernel/softirq.c:605 [inline] invoke_softirq kernel/softirq.c:445 [inline] __irq_exit_rcu+0x157/0x240 kernel/softirq.c:654 irq_exit_rcu+0x5/0x20 kernel/softirq.c:666 sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1106 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653 RIP: 0010:text_poke_bp_batch+0x5fe/0x940 Code: ff ff 83 7c 24 30 00 74 1c 31 ff 48 c7 c6 80 c3 31 81 31 d2 b9 01 00 00 00 49 c7 c0 a8 e4 99 8e e8 07 b4 4d 00 83 7c 24 1c 00 <48> 8b 74 24 08 0f 84 57 02 00 00 48 c1 64 24 28 04 45 31 e4 41 b8 RSP: 0018:ffffc9000495f920 EFLAGS: 00000202 RAX: ffffffff817f84bc RBX: dffffc0000000000 RCX: 0000000000040000 RDX: ffffc90024b77000 RSI: 0000000000006ad0 RDI: 0000000000006ad1 RBP: ffffc9000495fa48 R08: ffffffff817f84a5 R09: fffffbfff223b845 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000005 R13: ffffffff90037c90 R14: ffffffff90037c8a R15: ffffffff90037c9a text_poke_flush arch/x86/kernel/alternative.c:1725 [inline] text_poke_finish+0x16/0x30 arch/x86/kernel/alternative.c:1732 arch_jump_label_transform_apply+0x13/0x20 arch/x86/kernel/jump_label.c:146 static_key_disable_cpuslocked+0xce/0x1b0 kernel/jump_label.c:235 static_key_disable+0x16/0x20 kernel/jump_label.c:243 tracepoint_remove_func kernel/tracepoint.c:417 [inline] tracepoint_probe_unregister+0x6e6/0x980 kernel/tracepoint.c:551 trace_event_reg+0x216/0x250 perf_trace_event_unreg+0xb0/0x1a0 kernel/trace/trace_event_perf.c:162 perf_trace_destroy+0x98/0x140 kernel/trace/trace_event_perf.c:241 _free_event+0xd0a/0x1090 kernel/events/core.c:5066 put_event kernel/events/core.c:5160 [inline] perf_event_release_kernel+0x873/0x900 kernel/events/core.c:5285 perf_release+0x37/0x40 kernel/events/core.c:5295 __fput+0x3f6/0x8d0 fs/file_table.c:320 task_work_run+0x246/0x300 kernel/task_work.c:203 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop+0xde/0x100 kernel/entry/common.c:177 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:210 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline] syscall_exit_to_user_mode+0x60/0x270 kernel/entry/common.c:303 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:87 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7fea45d7def9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fea46abc038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffea RBX: 00007fea45f35f80 RCX: 00007fea45d7def9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000100 RBP: 00007fea45df0b76 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fea45f35f80 R15: 00007ffc0acf18f8 CPU: 0 PID: 5060 Comm: syz.0.353 Not tainted 6.1.110-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:unwind_next_frame+0x144/0x2220 arch/x86/kernel/unwind_orc.c:448 Code: 48 89 dd 48 c1 ed 03 48 bf 00 00 00 00 00 fc ff df 0f b6 44 3d 00 84 c0 0f 85 93 1a 00 00 48 89 9c 24 90 00 00 00 4c 0f be 2b <48> 8b 44 24 30 80 3c 38 00 48 8b 5c 24 18 74 0e 49 89 fe 48 89 df RSP: 0018:ffffc90000006fe0 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffffc900000070f5 RCX: ffffffff97333103 RDX: dffffc0000000000 RSI: ffffffff89637bf7 RDI: dffffc0000000000 RBP: 1ffff92000000e1e R08: 0000000000000008 R09: ffffc900000071b0 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880277a9dc0 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff89637bf7 FS: 00007fea46abc6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2fe19ff8 CR3: 0000000073eef000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: arch_stack_walk+0x10d/0x140 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122 kasan_save_stack+0x3b/0x60 mm/kasan/common.c:45 __kasan_record_aux_stack+0xb0/0xc0 mm/kasan/generic.c:486 kvfree_call_rcu+0x116/0x8c0 kernel/rcu/tree.c:3401 neigh_del net/core/neighbour.c:225 [inline] neigh_remove_one+0x5c6/0x6d0 net/core/neighbour.c:246 neigh_forced_gc net/core/neighbour.c:279 [inline] neigh_alloc net/core/neighbour.c:485 [inline] ___neigh_create+0x459/0x24b0 net/core/neighbour.c:648 ip6_finish_output2+0x15ae/0x15f0 net/ipv6/ip6_output.c:129 __ip6_finish_output net/ipv6/ip6_output.c:205 [inline] ip6_finish_output+0x6a0/0xa80 net/ipv6/ip6_output.c:216 dst_output include/net/dst.h:444 [inline] NF_HOOK include/linux/netfilter.h:302 [inline] ndisc_send_skb+0xbab/0x14e0 net/ipv6/ndisc.c:511 addrconf_rs_timer+0x357/0x610 net/ipv6/addrconf.c:3963 call_timer_fn+0x1ad/0x6b0 kernel/time/timer.c:1504 expire_timers kernel/time/timer.c:1549 [inline] __run_timers+0x67c/0x890 kernel/time/timer.c:1820 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1833 handle_softirqs+0x2ee/0xa40 kernel/softirq.c:571 __do_softirq kernel/softirq.c:605 [inline] invoke_softirq kernel/softirq.c:445 [inline] __irq_exit_rcu+0x157/0x240 kernel/softirq.c:654 irq_exit_rcu+0x5/0x20 kernel/softirq.c:666 sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1106 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653 RIP: 0010:text_poke_bp_batch+0x5fe/0x940 Code: ff ff 83 7c 24 30 00 74 1c 31 ff 48 c7 c6 80 c3 31 81 31 d2 b9 01 00 00 00 49 c7 c0 a8 e4 99 8e e8 07 b4 4d 00 83 7c 24 1c 00 <48> 8b 74 24 08 0f 84 57 02 00 00 48 c1 64 24 28 04 45 31 e4 41 b8 RSP: 0018:ffffc9000495f920 EFLAGS: 00000202 RAX: ffffffff817f84bc RBX: dffffc0000000000 RCX: 0000000000040000 RDX: ffffc90024b77000 RSI: 0000000000006ad0 RDI: 0000000000006ad1 RBP: ffffc9000495fa48 R08: ffffffff817f84a5 R09: fffffbfff223b845 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000005 R13: ffffffff90037c90 R14: ffffffff90037c8a R15: ffffffff90037c9a text_poke_flush arch/x86/kernel/alternative.c:1725 [inline] text_poke_finish+0x16/0x30 arch/x86/kernel/alternative.c:1732 arch_jump_label_transform_apply+0x13/0x20 arch/x86/kernel/jump_label.c:146 static_key_disable_cpuslocked+0xce/0x1b0 kernel/jump_label.c:235 static_key_disable+0x16/0x20 kernel/jump_label.c:243 tracepoint_remove_func kernel/tracepoint.c:417 [inline] tracepoint_probe_unregister+0x6e6/0x980 kernel/tracepoint.c:551 trace_event_reg+0x216/0x250 perf_trace_event_unreg+0xb0/0x1a0 kernel/trace/trace_event_perf.c:162 perf_trace_destroy+0x98/0x140 kernel/trace/trace_event_perf.c:241 _free_event+0xd0a/0x1090 kernel/events/core.c:5066 put_event kernel/events/core.c:5160 [inline] perf_event_release_kernel+0x873/0x900 kernel/events/core.c:5285 perf_release+0x37/0x40 kernel/events/core.c:5295 __fput+0x3f6/0x8d0 fs/file_table.c:320 task_work_run+0x246/0x300 kernel/task_work.c:203 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop+0xde/0x100 kernel/entry/common.c:177 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:210 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline] syscall_exit_to_user_mode+0x60/0x270 kernel/entry/common.c:303 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:87 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7fea45d7def9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fea46abc038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffea RBX: 00007fea45f35f80 RCX: 00007fea45d7def9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000100 RBP: 00007fea45df0b76 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fea45f35f80 R15: 00007ffc0acf18f8 NMI backtrace for cpu 0 CPU: 0 PID: 5060 Comm: syz.0.353 Not tainted 6.1.110-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:arch_atomic_try_cmpxchg include/linux/atomic/atomic-arch-fallback.h:1247 [inline] RIP: 0010:arch_atomic_fetch_add_unless include/linux/atomic/atomic-arch-fallback.h:1247 [inline] RIP: 0010:arch_atomic_add_unless include/linux/atomic/atomic-arch-fallback.h:1267 [inline] RIP: 0010:arch_atomic_inc_not_zero include/linux/atomic/atomic-arch-fallback.h:1283 [inline] RIP: 0010:try_get_desc arch/x86/kernel/alternative.c:1366 [inline] RIP: 0010:poke_int3_handler+0x23/0x1a0 arch/x86/kernel/alternative.c:1416 Code: cc cc cc cc cc cc cc 31 c9 f6 87 88 00 00 00 03 74 03 89 c8 c3 8b 05 f8 da 5c 05 85 c0 74 f3 8d 50 01 f0 0f b1 15 e9 da 5c 05 <75> ef 48 8b 97 80 00 00 00 4c 8d 42 ff 8b 35 d2 da 5c 05 48 8b 05 RSP: 0018:ffffc90000006d68 EFLAGS: 00000046 RAX: 0000000000000001 RBX: ffffc90000006d88 RCX: 0000000000000000 RDX: 0000000000000002 RSI: 0000000000000000 RDI: ffffc90000006d88 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 00007fea46abc6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2fe19ff8 CR3: 0000000073eef000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: exc_int3+0xa/0x70 arch/x86/kernel/traps.c:827 asm_exc_int3+0x35/0x40 arch/x86/include/asm/idtentry.h:569 RIP: 0010:arch_static_branch arch/x86/include/asm/jump_label.h:27 [inline] RIP: 0010:static_key_false include/linux/jump_label.h:207 [inline] RIP: 0010:trace_lock_release include/trace/events/lock.h:69 [inline] RIP: 0010:lock_release+0x7d/0xa20 kernel/locking/lockdep.c:5673 Code: a9 6a 81 4c 8d 64 24 60 49 c1 ec 03 48 b8 f1 f1 f1 f1 04 f2 00 f2 4b 89 04 3c 48 b8 f2 f2 00 f3 f3 f3 f3 f3 4b 89 44 3c 08 cc <1f> 44 00 00 65 8b 1d c8 6f 97 7e 48 c7 c0 b8 e6 99 8e 48 c1 e8 03 RSP: 0018:ffffc90000006e60 EFLAGS: 00000806 RAX: f3f3f3f3f300f2f2 RBX: ffffffff97658a48 RCX: 0000000000000001 RDX: dffffc0000000000 RSI: ffffffff843e2e39 RDI: ffffffff97658a60 RBP: ffffc90000006f90 R08: dffffc0000000000 R09: 0000000000000003 R10: ffffffffffffffff R11: dffffc0000000001 R12: 1ffff92000000dd8 R13: ffffffff843e2e39 R14: ffffc90000006fc0 R15: dffffc0000000000 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:149 [inline] _raw_spin_unlock_irqrestore+0x75/0x130 kernel/locking/spinlock.c:194 debug_object_activate+0x2f9/0x4e0 lib/debugobjects.c:715 debug_hrtimer_activate kernel/time/hrtimer.c:421 [inline] debug_activate kernel/time/hrtimer.c:476 [inline] enqueue_hrtimer+0x30/0x410 kernel/time/hrtimer.c:1085 __run_hrtimer kernel/time/hrtimer.c:1706 [inline] __hrtimer_run_queues+0x728/0xe50 kernel/time/hrtimer.c:1753 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1815 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline] __sysvec_apic_timer_interrupt+0x156/0x580 arch/x86/kernel/apic/apic.c:1112 sysvec_apic_timer_interrupt+0x3e/0xb0 arch/x86/kernel/apic/apic.c:1106 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653 RIP: 0010:queued_write_lock_slowpath+0x15b/0x441 kernel/locking/qrwlock.c:85 Code: 3b c8 30 f7 f0 41 81 0f 00 01 00 00 48 8b 5c 24 08 43 0f b6 04 2e 84 c0 0f 85 94 00 00 00 41 8b 07 3d 00 01 00 00 74 27 f3 90 <43> 0f b6 04 2e 84 c0 74 eb 44 89 f9 80 e1 07 80 c1 03 38 c1 7c de RSP: 0018:ffffc90000007440 EFLAGS: 00000206 RAX: 00000000000001ff RBX: 1ffff92000000e92 RCX: ffffffff8ab16a85 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffffff8e600760 RBP: ffffc900000074f0 R08: dffffc0000000000 R09: fffffbfff1cc00ed R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc90000007490 R13: dffffc0000000000 R14: 1ffffffff1cc00ec R15: ffffffff8e600760 queued_write_lock include/asm-generic/qrwlock.h:101 [inline] do_raw_write_lock+0x38b/0x4e0 kernel/locking/spinlock_debug.c:210 neigh_forced_gc net/core/neighbour.c:264 [inline] neigh_alloc net/core/neighbour.c:485 [inline] ___neigh_create+0x1f4/0x24b0 net/core/neighbour.c:648 ip6_finish_output2+0x15ae/0x15f0 net/ipv6/ip6_output.c:129 __ip6_finish_output net/ipv6/ip6_output.c:205 [inline] ip6_finish_output+0x6a0/0xa80 net/ipv6/ip6_output.c:216 dst_output include/net/dst.h:444 [inline] NF_HOOK include/linux/netfilter.h:302 [inline] ndisc_send_skb+0xbab/0x14e0 net/ipv6/ndisc.c:511 addrconf_rs_timer+0x357/0x610 net/ipv6/addrconf.c:3963 call_timer_fn+0x1ad/0x6b0 kernel/time/timer.c:1504 expire_timers kernel/time/timer.c:1549 [inline] __run_timers+0x67c/0x890 kernel/time/timer.c:1820 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1833 handle_softirqs+0x2ee/0xa40 kernel/softirq.c:571 __do_softirq kernel/softirq.c:605 [inline] invoke_softirq kernel/softirq.c:445 [inline] __irq_exit_rcu+0x157/0x240 kernel/softirq.c:654 irq_exit_rcu+0x5/0x20 kernel/softirq.c:666 sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1106 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653 RIP: 0010:text_poke_bp_batch+0x5fe/0x940 Code: ff ff 83 7c 24 30 00 74 1c 31 ff 48 c7 c6 80 c3 31 81 31 d2 b9 01 00 00 00 49 c7 c0 a8 e4 99 8e e8 07 b4 4d 00 83 7c 24 1c 00 <48> 8b 74 24 08 0f 84 57 02 00 00 48 c1 64 24 28 04 45 31 e4 41 b8 RSP: 0018:ffffc9000495f920 EFLAGS: 00000202 RAX: ffffffff817f84bc RBX: dffffc0000000000 RCX: 0000000000040000 RDX: ffffc90024b77000 RSI: 0000000000006ad0 RDI: 0000000000006ad1 RBP: ffffc9000495fa48 R08: ffffffff817f84a5 R09: fffffbfff223b845 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000005 R13: ffffffff90037c90 R14: ffffffff90037c8a R15: ffffffff90037c9a text_poke_flush arch/x86/kernel/alternative.c:1725 [inline] text_poke_finish+0x16/0x30 arch/x86/kernel/alternative.c:1732 arch_jump_label_transform_apply+0x13/0x20 arch/x86/kernel/jump_label.c:146 static_key_disable_cpuslocked+0xce/0x1b0 kernel/jump_label.c:235 static_key_disable+0x16/0x20 kernel/jump_label.c:243 tracepoint_remove_func kernel/tracepoint.c:417 [inline] tracepoint_probe_unregister+0x6e6/0x980 kernel/tracepoint.c:551 trace_event_reg+0x216/0x250 perf_trace_event_unreg+0xb0/0x1a0 kernel/trace/trace_event_perf.c:162 perf_trace_destroy+0x98/0x140 kernel/trace/trace_event_perf.c:241 _free_event+0xd0a/0x1090 kernel/events/core.c:5066 put_event kernel/events/core.c:5160 [inline] perf_event_release_kernel+0x873/0x900 kernel/events/core.c:5285 perf_release+0x37/0x40 kernel/events/core.c:5295 __fput+0x3f6/0x8d0 fs/file_table.c:320 task_work_run+0x246/0x300 kernel/task_work.c:203 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop+0xde/0x100 kernel/entry/common.c:177 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:210 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline] syscall_exit_to_user_mode+0x60/0x270 kernel/entry/common.c:303 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:87 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7fea45d7def9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fea46abc038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffea RBX: 00007fea45f35f80 RCX: 00007fea45d7def9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000100 RBP: 00007fea45df0b76 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fea45f35f80 R15: 00007ffc0acf18f8