rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: 0-...!: (1 GPs behind) idle=ec6c/1/0x4000000000000000 softirq=96251/96256 fqs=33 rcu: (detected by 1, t=10502 jiffies, g=82097, q=360 ncpus=2) Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 25090 Comm: rm Not tainted 6.13.0-syzkaller-04788-g7004a2e46d16 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 RIP: 0010:rcu_is_watching_curr_cpu include/linux/context_tracking.h:128 [inline] RIP: 0010:rcu_is_watching+0x41/0xc0 kernel/rcu/tree.c:716 Code: 03 00 83 f8 07 89 c5 0f 87 82 00 00 00 48 8d 3c ed e0 bc aa 8d 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 <75> 5c 48 03 1c ed e0 bc aa 8d 48 b8 00 00 00 00 00 fc ff df 48 89 RSP: 0018:ffffc90000006f98 EFLAGS: 00000046 RAX: dffffc0000000000 RBX: 0000000000037be8 RCX: ffffffff8176e3b9 RDX: 1ffffffff1b5579c RSI: ffffffff8bd2c700 RDI: ffffffff8daabce0 RBP: 0000000000000000 R08: 0000000000000000 R09: fffffbfff20c40aa R10: ffffffff90620557 R11: ffffffff816bef4e R12: ffffffff8e1be440 R13: ffff88807c36ac00 R14: ffff88805da81340 R15: ffff888033485000 FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe098e3ce8 CR3: 0000000059e7a000 CR4: 00000000003526f0 DR0: 0000000000000b00 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: trace_lock_release include/trace/events/lock.h:69 [inline] lock_release+0x4e2/0x6f0 kernel/locking/lockdep.c:5862 rcu_lock_release include/linux/rcupdate.h:347 [inline] rcu_read_unlock include/linux/rcupdate.h:880 [inline] advance_sched+0x6d7/0xc60 net/sched/sch_taprio.c:987 __run_hrtimer kernel/time/hrtimer.c:1738 [inline] __hrtimer_run_queues+0x20a/0xae0 kernel/time/hrtimer.c:1802 hrtimer_interrupt+0x392/0x8e0 kernel/time/hrtimer.c:1864 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline] __sysvec_apic_timer_interrupt+0x10f/0x400 arch/x86/kernel/apic/apic.c:1055 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline] sysvec_apic_timer_interrupt+0x52/0xc0 arch/x86/kernel/apic/apic.c:1049 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:console_flush_all+0x9a4/0xc60 kernel/printk/printk.c:3211 Code: 00 e8 30 c2 27 00 9c 5b 81 e3 00 02 00 00 31 ff 48 89 de e8 0e 1c 20 00 48 85 db 0f 85 55 01 00 00 e8 d0 20 20 00 fb 4c 89 e0 <48> c1 e8 03 42 80 3c 38 00 0f 84 11 ff ff ff 4c 89 e7 e8 25 ef 82 RSP: 0018:ffffc900000073b0 EFLAGS: 00000246 RAX: ffffffff8eea92f8 RBX: 0000000000000000 RCX: ffffffff8179d942 RDX: ffff888078ed2440 RSI: ffffffff8179d950 RDI: 0000000000000007 RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000000 R11: 205d304320202020 R12: ffffffff8eea92f8 R13: ffffffff8eea92a0 R14: ffffc90000007440 R15: dffffc0000000000 __console_flush_and_unlock kernel/printk/printk.c:3269 [inline] console_unlock+0xd9/0x210 kernel/printk/printk.c:3309 vprintk_emit+0x424/0x6f0 kernel/printk/printk.c:2432 _printk+0xc8/0x100 kernel/printk/printk.c:2457 gred_dequeue+0x46d/0x660 net/sched/sch_gred.c:273 dequeue_skb net/sched/sch_generic.c:293 [inline] qdisc_restart net/sched/sch_generic.c:398 [inline] __qdisc_run+0x1bd/0x1a10 net/sched/sch_generic.c:416 __dev_xmit_skb net/core/dev.c:4043 [inline] __dev_queue_xmit+0x2aa4/0x43e0 net/core/dev.c:4550 dev_queue_xmit include/linux/netdevice.h:3305 [inline] arp_xmit_finish net/ipv4/arp.c:654 [inline] NF_HOOK include/linux/netfilter.h:314 [inline] NF_HOOK include/linux/netfilter.h:308 [inline] arp_xmit+0x97/0xb0 net/ipv4/arp.c:663 arp_send_dst net/ipv4/arp.c:320 [inline] arp_send_dst+0x1a6/0x200 net/ipv4/arp.c:301 arp_solicit+0x65c/0x10a0 net/ipv4/arp.c:392 neigh_probe+0xcb/0x110 net/core/neighbour.c:1026 neigh_timer_handler+0x409/0xf80 net/core/neighbour.c:1108 call_timer_fn+0x1a0/0x610 kernel/time/timer.c:1789 expire_timers kernel/time/timer.c:1840 [inline] __run_timers+0x6e8/0x930 kernel/time/timer.c:2414 __run_timer_base kernel/time/timer.c:2426 [inline] __run_timer_base kernel/time/timer.c:2418 [inline] run_timer_base+0x114/0x190 kernel/time/timer.c:2435 run_timer_softirq+0x1a/0x40 kernel/time/timer.c:2445 handle_softirqs+0x213/0x8f0 kernel/softirq.c:561 __do_softirq kernel/softirq.c:595 [inline] invoke_softirq kernel/softirq.c:435 [inline] __irq_exit_rcu+0x109/0x170 kernel/softirq.c:662 irq_exit_rcu+0x9/0x30 kernel/softirq.c:678 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline] sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1049 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:filter_irq_stacks+0x5a/0x90 kernel/stacktrace.c:396 Code: 72 16 48 81 fa 70 16 40 8b 73 0d 83 c0 01 48 83 c4 10 5b c3 cc cc cc cc 48 81 fa 30 5f 37 8b 72 09 48 81 fa 4b 5f 37 8b 72 e1 <83> c0 01 48 83 c7 08 39 c6 75 b4 89 f0 eb d5 31 c0 c3 cc cc cc cc RSP: 0018:ffffc90004fa7780 EFLAGS: 00000283 RAX: 0000000000000003 RBX: dffffc0000000000 RCX: 0000000000000000 RDX: ffffffff820e778d RSI: 000000000000000a RDI: ffffc90004fa7818 RBP: 0000000000000000 R08: 0000000000000000 R09: fffffbfff20c40aa R10: ffffffff90620557 R11: 00000000000a4001 R12: 0000000000000000 R13: ffffc90004fa7800 R14: ffffea0001928a80 R15: 0000000000000000 stack_depot_save_flags+0x28/0x9c0 lib/stackdepot.c:609 kasan_save_stack+0x42/0x60 mm/kasan/common.c:48 __kasan_record_aux_stack+0xba/0xd0 mm/kasan/generic.c:544 slab_free_hook mm/slub.c:2314 [inline] slab_free mm/slub.c:4613 [inline] kmem_cache_free+0x305/0x4c0 mm/slub.c:4715 file_free fs/file_table.c:76 [inline] fput+0x3ad/0x440 fs/file_table.c:506 path_openat+0xf27/0x2d70 fs/namei.c:3996 do_filp_open+0x20c/0x470 fs/namei.c:4014 do_sys_openat2+0x17a/0x1e0 fs/open.c:1395 do_sys_open fs/open.c:1410 [inline] __do_sys_openat fs/open.c:1426 [inline] __se_sys_openat fs/open.c:1421 [inline] __x64_sys_openat+0x175/0x210 fs/open.c:1421 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f00a22b2a46 Code: 10 00 00 00 44 8b 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 44 89 c2 4c 89 ce bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 76 0c f7 d8 89 05 0a 48 01 00 48 83 c8 ff c3 31 RSP: 002b:00007ffe098e3ab8 EFLAGS: 00000287 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007ffe098e3d28 RCX: 00007f00a22b2a46 RDX: 0000000000080000 RSI: 00007ffe098e3b30 RDI: 00000000ffffff9c RBP: 00007ffe098e3b20 R08: 0000000000080000 R09: 00007ffe098e3b30 R10: 0000000000000000 R11: 0000000000000287 R12: 00007ffe098e3b30 R13: 0000000000000004 R14: 00007ffe098e3d0f R15: 00000000ffffffff rcu: rcu_preempt kthread timer wakeup didn't happen for 10428 jiffies! g82097 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 rcu: Possible timer handling issue on cpu=1 timer-softirq=98135 rcu: rcu_preempt kthread starved for 10429 jiffies! g82097 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1 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:I stack:28152 pid:17 tgid:17 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5373 [inline] __schedule+0x1142/0x5b60 kernel/sched/core.c:6760 __schedule_loop kernel/sched/core.c:6837 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6852 schedule_timeout+0x124/0x280 kernel/time/sleep_timeout.c:99 rcu_gp_fqs_loop+0x1eb/0xb00 kernel/rcu/tree.c:2024 rcu_gp_kthread+0x271/0x380 kernel/rcu/tree.c:2226 kthread+0x3af/0x750 kernel/kthread.c:464 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 rcu: Stack dump where RCU GP kthread last ran: CPU: 1 UID: 0 PID: 25 Comm: kworker/1:0 Not tainted 6.13.0-syzkaller-04788-g7004a2e46d16 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 Workqueue: wg-crypt-wg0 wg_packet_tx_worker RIP: 0010:kvm_wait+0x146/0x180 arch/x86/kernel/kvm.c:1068 Code: 5b 5d 41 5c 41 5d e9 39 5c 51 00 e8 34 5c 51 00 e8 6f fd 58 00 66 90 e8 28 5c 51 00 0f 00 2d 01 25 21 0a e8 1c 5c 51 00 fb f4 <5b> 5d 41 5c 41 5d e9 0f 5c 51 00 e8 0a 5c 51 00 e8 65 fb 58 00 e9 RSP: 0018:ffffc900001f73f0 EFLAGS: 00000293 RAX: 0000000000000000 RBX: 0000000000000003 RCX: 1ffffffff20c470e RDX: ffff88801d6ea440 RSI: ffffffff81489e04 RDI: ffffffff81489df1 RBP: ffff88805a5bf0f0 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff90620557 R11: dd860aaaaaaaaaaa R12: 0000000000000003 R13: 0000000000000003 R14: ffff8880b873fac0 R15: ffffed100b4b7e1e FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6849405da6 CR3: 00000000624e4000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: pv_wait arch/x86/include/asm/paravirt.h:589 [inline] pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:466 [inline] __pv_queued_spin_lock_slowpath+0x4cd/0xc90 kernel/locking/qspinlock.c:508 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:577 [inline] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline] queued_spin_lock include/asm-generic/qspinlock.h:114 [inline] do_raw_spin_lock+0x210/0x2c0 kernel/locking/spinlock_debug.c:116 spin_lock include/linux/spinlock.h:351 [inline] __dev_xmit_skb net/core/dev.c:4010 [inline] __dev_queue_xmit+0x1fe5/0x43e0 net/core/dev.c:4550 dev_queue_xmit include/linux/netdevice.h:3305 [inline] neigh_hh_output include/net/neighbour.h:523 [inline] neigh_output include/net/neighbour.h:537 [inline] ip6_finish_output2+0xed9/0x20a0 net/ipv6/ip6_output.c:141 __ip6_finish_output net/ipv6/ip6_output.c:215 [inline] ip6_finish_output+0x3f9/0x1360 net/ipv6/ip6_output.c:226 NF_HOOK_COND include/linux/netfilter.h:303 [inline] ip6_output+0x1f8/0x540 net/ipv6/ip6_output.c:247 dst_output include/net/dst.h:459 [inline] ip6_local_out+0xcd/0x4a0 net/ipv6/output_core.c:155 ip6tunnel_xmit include/net/ip6_tunnel.h:161 [inline] udp_tunnel6_xmit_skb+0x7ac/0xc10 net/ipv6/ip6_udp_tunnel.c:111 send6+0x4ac/0xd20 drivers/net/wireguard/socket.c:152 wg_socket_send_skb_to_peer+0xf9/0x220 drivers/net/wireguard/socket.c:178 wg_packet_create_data_done drivers/net/wireguard/send.c:251 [inline] wg_packet_tx_worker+0x1aa/0x810 drivers/net/wireguard/send.c:276 process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3236 process_scheduled_works kernel/workqueue.c:3317 [inline] worker_thread+0x6c8/0xf00 kernel/workqueue.c:3398 kthread+0x3af/0x750 kernel/kthread.c:464 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 watchdog: BUG: soft lockup - CPU#1 stuck for 246s! [kworker/1:0:25] Modules linked in: irq event stamp: 1190 hardirqs last enabled at (1189): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline] hardirqs last enabled at (1189): [] _raw_spin_unlock_irq+0x23/0x50 kernel/locking/spinlock.c:202 hardirqs last disabled at (1190): [] __schedule+0x1f44/0x5b60 kernel/sched/core.c:6663 softirqs last enabled at (774): [] local_bh_enable include/linux/bottom_half.h:33 [inline] softirqs last enabled at (774): [] update_defense_level+0x5c9/0xf50 net/netfilter/ipvs/ip_vs_ctl.c:210 softirqs last disabled at (772): [] local_bh_disable include/linux/bottom_half.h:20 [inline] softirqs last disabled at (772): [] update_defense_level+0xde/0xf50 net/netfilter/ipvs/ip_vs_ctl.c:112 CPU: 1 UID: 0 PID: 25 Comm: kworker/1:0 Not tainted 6.13.0-syzkaller-04788-g7004a2e46d16 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 Workqueue: wg-crypt-wg0 wg_packet_tx_worker RIP: 0010:kvm_wait+0x146/0x180 arch/x86/kernel/kvm.c:1068 Code: 5b 5d 41 5c 41 5d e9 39 5c 51 00 e8 34 5c 51 00 e8 6f fd 58 00 66 90 e8 28 5c 51 00 0f 00 2d 01 25 21 0a e8 1c 5c 51 00 fb f4 <5b> 5d 41 5c 41 5d e9 0f 5c 51 00 e8 0a 5c 51 00 e8 65 fb 58 00 e9 RSP: 0018:ffffc900001f73f0 EFLAGS: 00000293 RAX: 0000000000000000 RBX: 0000000000000003 RCX: 1ffffffff20c470e RDX: ffff88801d6ea440 RSI: ffffffff81489e04 RDI: ffffffff81489df1 RBP: ffff88805a5bf0f0 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff90620557 R11: dd860aaaaaaaaaaa R12: 0000000000000003 R13: 0000000000000003 R14: ffff8880b873fac0 R15: ffffed100b4b7e1e FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6849405da6 CR3: 00000000624e4000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: pv_wait arch/x86/include/asm/paravirt.h:589 [inline] pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:466 [inline] __pv_queued_spin_lock_slowpath+0x4cd/0xc90 kernel/locking/qspinlock.c:508 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:577 [inline] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline] queued_spin_lock include/asm-generic/qspinlock.h:114 [inline] do_raw_spin_lock+0x210/0x2c0 kernel/locking/spinlock_debug.c:116 spin_lock include/linux/spinlock.h:351 [inline] __dev_xmit_skb net/core/dev.c:4010 [inline] __dev_queue_xmit+0x1fe5/0x43e0 net/core/dev.c:4550 dev_queue_xmit include/linux/netdevice.h:3305 [inline] neigh_hh_output include/net/neighbour.h:523 [inline] neigh_output include/net/neighbour.h:537 [inline] ip6_finish_output2+0xed9/0x20a0 net/ipv6/ip6_output.c:141 __ip6_finish_output net/ipv6/ip6_output.c:215 [inline] ip6_finish_output+0x3f9/0x1360 net/ipv6/ip6_output.c:226 NF_HOOK_COND include/linux/netfilter.h:303 [inline] ip6_output+0x1f8/0x540 net/ipv6/ip6_output.c:247 dst_output include/net/dst.h:459 [inline] ip6_local_out+0xcd/0x4a0 net/ipv6/output_core.c:155 ip6tunnel_xmit include/net/ip6_tunnel.h:161 [inline] udp_tunnel6_xmit_skb+0x7ac/0xc10 net/ipv6/ip6_udp_tunnel.c:111 send6+0x4ac/0xd20 drivers/net/wireguard/socket.c:152 wg_socket_send_skb_to_peer+0xf9/0x220 drivers/net/wireguard/socket.c:178 wg_packet_create_data_done drivers/net/wireguard/send.c:251 [inline] wg_packet_tx_worker+0x1aa/0x810 drivers/net/wireguard/send.c:276 process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3236 process_scheduled_works kernel/workqueue.c:3317 [inline] worker_thread+0x6c8/0xf00 kernel/workqueue.c:3398 kthread+0x3af/0x750 kernel/kthread.c:464 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 25090 Comm: rm Not tainted 6.13.0-syzkaller-04788-g7004a2e46d16 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 RIP: 0010:__kasan_check_write+0x0/0x20 mm/kasan/shadow.c:36 Code: 0c 24 89 f6 31 d2 e9 1f f1 ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 48 8b 0c 24 89 f6 ba 01 00 00 00 e9 ec f0 ff ff 66 66 RSP: 0018:ffffc90000006f40 EFLAGS: 00000046 RAX: 0000000000000001 RBX: ffffffff9aa8af58 RCX: ffffffff81775f2e RDX: fffffbfff35515ec RSI: 0000000000000004 RDI: ffffc90000006f70 RBP: 1ffff92000000dea R08: 0000000000000001 R09: fffffbfff35515eb R10: ffffffff9aa8af5b R11: ffffffff816bef4e R12: ffffffff9aa8af60 R13: ffffffff9aa8af68 R14: 1ffff92000000e04 R15: ffffffff9aa8af50 FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe098e3ce8 CR3: 0000000059e7a000 CR4: 00000000003526f0 DR0: 0000000000000b00 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: instrument_atomic_read_write include/linux/instrumented.h:96 [inline] atomic_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:1301 [inline] queued_spin_lock include/asm-generic/qspinlock.h:111 [inline] do_raw_spin_lock+0x12d/0x2c0 kernel/locking/spinlock_debug.c:116 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:111 [inline] _raw_spin_lock_irqsave+0x42/0x60 kernel/locking/spinlock.c:162 debug_object_activate+0x149/0x4a0 lib/debugobjects.c:818 debug_hrtimer_activate kernel/time/hrtimer.c:428 [inline] debug_activate kernel/time/hrtimer.c:469 [inline] enqueue_hrtimer+0x25/0x3c0 kernel/time/hrtimer.c:1075 __run_hrtimer kernel/time/hrtimer.c:1755 [inline] __hrtimer_run_queues+0x903/0xae0 kernel/time/hrtimer.c:1802 hrtimer_interrupt+0x392/0x8e0 kernel/time/hrtimer.c:1864 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline] __sysvec_apic_timer_interrupt+0x10f/0x400 arch/x86/kernel/apic/apic.c:1055 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline] sysvec_apic_timer_interrupt+0x52/0xc0 arch/x86/kernel/apic/apic.c:1049 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:console_flush_all+0x9a4/0xc60 kernel/printk/printk.c:3211 Code: 00 e8 30 c2 27 00 9c 5b 81 e3 00 02 00 00 31 ff 48 89 de e8 0e 1c 20 00 48 85 db 0f 85 55 01 00 00 e8 d0 20 20 00 fb 4c 89 e0 <48> c1 e8 03 42 80 3c 38 00 0f 84 11 ff ff ff 4c 89 e7 e8 25 ef 82 RSP: 0018:ffffc900000073b0 EFLAGS: 00000246 RAX: ffffffff8eea92f8 RBX: 0000000000000000 RCX: ffffffff8179d942 RDX: ffff888078ed2440 RSI: ffffffff8179d950 RDI: 0000000000000007 RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000000 R11: 205d304320202020 R12: ffffffff8eea92f8 R13: ffffffff8eea92a0 R14: ffffc90000007440 R15: dffffc0000000000 __console_flush_and_unlock kernel/printk/printk.c:3269 [inline] console_unlock+0xd9/0x210 kernel/printk/printk.c:3309 vprintk_emit+0x424/0x6f0 kernel/printk/printk.c:2432 _printk+0xc8/0x100 kernel/printk/printk.c:2457 gred_dequeue+0x46d/0x660 net/sched/sch_gred.c:273 dequeue_skb net/sched/sch_generic.c:293 [inline] qdisc_restart net/sched/sch_generic.c:398 [inline] __qdisc_run+0x1bd/0x1a10 net/sched/sch_generic.c:416 __dev_xmit_skb net/core/dev.c:4043 [inline] __dev_queue_xmit+0x2aa4/0x43e0 net/core/dev.c:4550 dev_queue_xmit include/linux/netdevice.h:3305 [inline] arp_xmit_finish net/ipv4/arp.c:654 [inline] NF_HOOK include/linux/netfilter.h:314 [inline] NF_HOOK include/linux/netfilter.h:308 [inline] arp_xmit+0x97/0xb0 net/ipv4/arp.c:663 arp_send_dst net/ipv4/arp.c:320 [inline] arp_send_dst+0x1a6/0x200 net/ipv4/arp.c:301 arp_solicit+0x65c/0x10a0 net/ipv4/arp.c:392 neigh_probe+0xcb/0x110 net/core/neighbour.c:1026 neigh_timer_handler+0x409/0xf80 net/core/neighbour.c:1108 call_timer_fn+0x1a0/0x610 kernel/time/timer.c:1789 expire_timers kernel/time/timer.c:1840 [inline] __run_timers+0x6e8/0x930 kernel/time/timer.c:2414 __run_timer_base kernel/time/timer.c:2426 [inline] __run_timer_base kernel/time/timer.c:2418 [inline] run_timer_base+0x114/0x190 kernel/time/timer.c:2435 run_timer_softirq+0x1a/0x40 kernel/time/timer.c:2445 handle_softirqs+0x213/0x8f0 kernel/softirq.c:561 __do_softirq kernel/softirq.c:595 [inline] invoke_softirq kernel/softirq.c:435 [inline] __irq_exit_rcu+0x109/0x170 kernel/softirq.c:662 irq_exit_rcu+0x9/0x30 kernel/softirq.c:678 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline] sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1049 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:filter_irq_stacks+0x5a/0x90 kernel/stacktrace.c:396 Code: 72 16 48 81 fa 70 16 40 8b 73 0d 83 c0 01 48 83 c4 10 5b c3 cc cc cc cc 48 81 fa 30 5f 37 8b 72 09 48 81 fa 4b 5f 37 8b 72 e1 <83> c0 01 48 83 c7 08 39 c6 75 b4 89 f0 eb d5 31 c0 c3 cc cc cc cc RSP: 0018:ffffc90004fa7780 EFLAGS: 00000283 RAX: 0000000000000003 RBX: dffffc0000000000 RCX: 0000000000000000 RDX: ffffffff820e778d RSI: 000000000000000a RDI: ffffc90004fa7818 RBP: 0000000000000000 R08: 0000000000000000 R09: fffffbfff20c40aa R10: ffffffff90620557 R11: 00000000000a4001 R12: 0000000000000000 R13: ffffc90004fa7800 R14: ffffea0001928a80 R15: 0000000000000000 stack_depot_save_flags+0x28/0x9c0 lib/stackdepot.c:609 kasan_save_stack+0x42/0x60 mm/kasan/common.c:48 __kasan_record_aux_stack+0xba/0xd0 mm/kasan/generic.c:544 slab_free_hook mm/slub.c:2314 [inline] slab_free mm/slub.c:4613 [inline] kmem_cache_free+0x305/0x4c0 mm/slub.c:4715 file_free fs/file_table.c:76 [inline] fput+0x3ad/0x440 fs/file_table.c:506 path_openat+0xf27/0x2d70 fs/namei.c:3996 do_filp_open+0x20c/0x470 fs/namei.c:4014 do_sys_openat2+0x17a/0x1e0 fs/open.c:1395 do_sys_open fs/open.c:1410 [inline] __do_sys_openat fs/open.c:1426 [inline] __se_sys_openat fs/open.c:1421 [inline] __x64_sys_openat+0x175/0x210 fs/open.c:1421 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f00a22b2a46 Code: 10 00 00 00 44 8b 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 44 89 c2 4c 89 ce bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 76 0c f7 d8 89 05 0a 48 01 00 48 83 c8 ff c3 31 RSP: 002b:00007ffe098e3ab8 EFLAGS: 00000287 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007ffe098e3d28 RCX: 00007f00a22b2a46 RDX: 0000000000080000 RSI: 00007ffe098e3b30 RDI: 00000000ffffff9c RBP: 00007ffe098e3b20 R08: 0000000000080000 R09: 00007ffe098e3b30 R10: 0000000000000000 R11: 0000000000000287 R12: 00007ffe098e3b30 R13: 0000000000000004 R14: 00007ffe098e3d0f R15: 00000000ffffffff