watchdog: BUG: soft lockup - CPU#0 stuck for 226s! [syz.0.3805:13169] Modules linked in: CPU: 0 PID: 13169 Comm: syz.0.3805 Tainted: G W 5.15.152-syzkaller-00143-g70e1a731d986 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 RIP: 0010:csd_lock_wait kernel/smp.c:440 [inline] RIP: 0010:smp_call_function_many_cond+0x843/0x9b0 kernel/smp.c:969 Code: 45 8b 7d 00 44 89 fe 83 e6 01 31 ff e8 76 a8 0a 00 41 83 e7 01 49 bf 00 00 00 00 00 fc ff df 75 07 e8 b1 a4 0a 00 eb 38 f3 90 <42> 0f b6 04 3b 84 c0 75 11 41 f7 45 00 01 00 00 00 74 1e e8 95 a4 RSP: 0018:ffffc90000e8fa20 EFLAGS: 00000246 RAX: ffffffff81659ddb RBX: 1ffff1103ee2784d RCX: 0000000000040000 RDX: ffffc90002721000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: ffffc90000e8fb38 R08: ffffffff81659daa R09: ffffed103ee071d3 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001 R13: ffff8881f713c268 R14: ffff8881f7038e80 R15: dffffc0000000000 FS: 00007f19f06ee6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000002013b000 CR3: 000000011e7a1000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: on_each_cpu_cond_mask+0x40/0x80 kernel/smp.c:1135 text_poke_bp_batch+0x535/0x5d0 text_poke_flush arch/x86/kernel/alternative.c:1560 [inline] text_poke_finish+0x1a/0x30 arch/x86/kernel/alternative.c:1567 arch_jump_label_transform_apply+0x15/0x30 arch/x86/kernel/jump_label.c:146 __jump_label_update+0x36a/0x380 kernel/jump_label.c:459 jump_label_update+0x3af/0x450 kernel/jump_label.c:830 static_key_slow_inc_cpuslocked+0x138/0x230 kernel/jump_label.c:144 static_key_slow_inc+0x1a/0x30 kernel/jump_label.c:159 bpf_enable_runtime_stats kernel/bpf/syscall.c:4478 [inline] bpf_enable_stats+0x100/0x140 kernel/bpf/syscall.c:4497 __sys_bpf+0x55b/0x760 kernel/bpf/syscall.c:4716 __do_sys_bpf kernel/bpf/syscall.c:4737 [inline] __se_sys_bpf kernel/bpf/syscall.c:4735 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:4735 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f19f1a6e9f9 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:00007f19f06ee038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f19f1bfcf80 RCX: 00007f19f1a6e9f9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000020 RBP: 00007f19f1adc8ee R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f19f1bfcf80 R15: 00007ffc7a81cff8 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 435 Comm: kworker/1:4 Tainted: G W 5.15.152-syzkaller-00143-g70e1a731d986 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 Workqueue: rcu_gp process_srcu RIP: 0010:native_halt arch/x86/include/asm/irqflags.h:57 [inline] RIP: 0010:halt arch/x86/include/asm/irqflags.h:98 [inline] RIP: 0010:kvm_wait+0x117/0x180 arch/x86/kernel/kvm.c:912 Code: 48 c1 e8 03 42 0f b6 04 20 84 c0 44 8b 74 24 1c 75 53 41 0f b6 45 00 44 38 f0 0f 85 63 ff ff ff 66 90 0f 00 2d 5a 02 13 04 f4 54 ff ff ff fa 4c 89 e8 48 c1 e8 03 42 0f b6 04 20 84 c0 44 8b RSP: 0018:ffffc900001d0600 EFLAGS: 00000046 RAX: 0000000000000003 RBX: 1ffff9200003a0c4 RCX: ffffffff8155068f RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff8881f7127900 RBP: ffffc900001d06b0 R08: dffffc0000000000 R09: ffffed103ee24f21 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff8881f7127900 R14: 0000000000000003 R15: 1ffff9200003a0c8 FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000201b3000 CR3: 00000001161fd000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: pv_wait arch/x86/include/asm/paravirt.h:597 [inline] pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline] __pv_queued_spin_lock_slowpath+0x6bc/0xc40 kernel/locking/qspinlock.c:508 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:585 [inline] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline] queued_spin_lock include/asm-generic/qspinlock.h:85 [inline] do_raw_spin_lock_flags include/linux/spinlock.h:199 [inline] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:119 [inline] _raw_spin_lock_irqsave+0x1a0/0x210 kernel/locking/spinlock.c:162 lock_timer_base+0x12f/0x270 kernel/time/timer.c:952 __mod_timer+0x1c9/0xcf0 kernel/time/timer.c:1025 add_timer+0x68/0x80 kernel/time/timer.c:1150 __queue_delayed_work+0x16d/0x1f0 kernel/workqueue.c:1697 queue_delayed_work_on+0x10f/0x180 kernel/workqueue.c:1722 queue_delayed_work include/linux/workqueue.h:525 [inline] srcu_funnel_gp_start kernel/rcu/srcutree.c:682 [inline] srcu_gp_start_if_needed+0x5e3/0x950 kernel/rcu/srcutree.c:838 __call_srcu kernel/rcu/srcutree.c:883 [inline] call_srcu+0x46/0x50 kernel/rcu/srcutree.c:906 rcu_free_old_probes+0x23/0x30 kernel/tracepoint.c:121 rcu_do_batch+0x57a/0xc10 kernel/rcu/tree.c:2523 rcu_core+0x517/0x1020 kernel/rcu/tree.c:2763 rcu_core_si+0x9/0x10 kernel/rcu/tree.c:2776 __do_softirq+0x26d/0x5bf kernel/softirq.c:565 do_softirq+0xf6/0x150 kernel/softirq.c:452 __local_bh_enable_ip+0x75/0x80 kernel/softirq.c:379 __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:176 [inline] _raw_spin_unlock_bh+0x51/0x60 kernel/locking/spinlock.c:210 __sock_map_delete net/core/sock_map.c:426 [inline] sock_map_delete_elem+0xcb/0x130 net/core/sock_map.c:448 bpf_prog_2c29ac5cdc6b1842+0x3a/0x7e8 bpf_dispatcher_nop_func include/linux/bpf.h:785 [inline] __bpf_prog_run include/linux/filter.h:618 [inline] bpf_prog_run include/linux/filter.h:632 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:1880 [inline] bpf_trace_run3+0x194/0x250 kernel/trace/bpf_trace.c:1918 __bpf_trace_timer_start+0x2b/0x40 include/trace/events/timer.h:52 __traceiter_timer_start+0x7f/0xd0 include/trace/events/timer.h:52 trace_timer_start include/trace/events/timer.h:52 [inline] enqueue_timer+0x351/0x4c0 kernel/time/timer.c:592 internal_add_timer kernel/time/timer.c:617 [inline] __mod_timer+0x8d3/0xcf0 kernel/time/timer.c:1068 timer_reduce+0x22/0x30 kernel/time/timer.c:1129 srcu_queue_delayed_work_on kernel/rcu/srcutree.c:470 [inline] srcu_schedule_cbs_sdp kernel/rcu/srcutree.c:479 [inline] srcu_schedule_cbs_snp kernel/rcu/srcutree.c:496 [inline] srcu_gp_end kernel/rcu/srcutree.c:555 [inline] srcu_advance_state kernel/rcu/srcutree.c:1231 [inline] process_srcu+0x867/0xc50 kernel/rcu/srcutree.c:1325 process_one_work+0x6bb/0xc10 kernel/workqueue.c:2325 worker_thread+0xad5/0x12a0 kernel/workqueue.c:2472 kthread+0x421/0x510 kernel/kthread.c:337 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298