RBP: ffffffffffffffff R08: 0000000000000001 R09: 0000000900000000 R10: 00007fc639d28000 R11: 0000000000000246 R12: 00007fc639edbf80 R13: 00007fc639edbf8c R14: 0000000000000032 R15: 00007fc639edd980 watchdog: BUG: soft lockup - CPU#0 stuck for 246s! [syz-executor.2:4247] Modules linked in: CPU: 0 PID: 4247 Comm: syz-executor.2 Tainted: G W 5.15.149-syzkaller-00165-g85445b5a2107 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 RIP: 0010:__sanitizer_cov_trace_pc+0x1/0x60 kernel/kcov.c:190 Code: 00 00 0f 0b 0f 1f 44 00 00 55 48 89 e5 53 48 89 fb e8 13 00 00 00 48 8b 3d 74 1e 96 05 48 89 de e8 84 76 41 00 5b 5d c3 cc 55 <48> 89 e5 48 8b 45 08 65 48 8b 0d 10 36 92 7e 65 8b 15 11 36 92 7e RSP: 0018:ffffc90000ba7730 EFLAGS: 00000202 RAX: 0000000000000000 RBX: 1ffff1103ee2784d RCX: ffff888117e30000 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc90000ba7858 R08: ffffffff8165929a R09: ffffed103ee071d3 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001 R13: ffff8881f713c268 R14: ffff8881f7038e80 R15: dffffc0000000000 FS: 0000555556d84480(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0c7457198c CR3: 0000000127873000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: on_each_cpu_cond_mask+0x40/0x80 kernel/smp.c:1135 text_poke_bp_batch+0x535/0x5d0 text_poke_bp+0xc8/0x140 arch/x86/kernel/alternative.c:1606 __static_call_transform+0x1b5/0x2c0 arch/x86/kernel/static_call.c:67 arch_static_call_transform+0x130/0x1c0 arch/x86/kernel/static_call.c:117 __static_call_update+0x37f/0x5c0 kernel/static_call_inline.c:198 tracepoint_update_call kernel/tracepoint.c:317 [inline] tracepoint_remove_func kernel/tracepoint.c:441 [inline] tracepoint_probe_unregister+0x7fb/0x900 kernel/tracepoint.c:551 bpf_probe_unregister+0x61/0x70 kernel/trace/bpf_trace.c:1954 bpf_raw_tp_link_release+0x63/0x90 kernel/bpf/syscall.c:2880 bpf_link_free+0x129/0x3f0 kernel/bpf/syscall.c:2451 bpf_link_put kernel/bpf/syscall.c:2477 [inline] bpf_link_release+0x170/0x180 kernel/bpf/syscall.c:2485 __fput+0x3fe/0x910 fs/file_table.c:280 ____fput+0x15/0x20 fs/file_table.c:308 task_work_run+0x129/0x190 kernel/task_work.c:164 tracehook_notify_resume include/linux/tracehook.h:189 [inline] exit_to_user_mode_loop+0xc4/0xe0 kernel/entry/common.c:175 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:208 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline] syscall_exit_to_user_mode+0x26/0x160 kernel/entry/common.c:301 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fc639da4ea9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffd8f61f128 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 000000000003e8d4 RCX: 00007fc639da4ea9 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: ffffffffffffffff R08: 0000000000000001 R09: 0000000900000000 R10: 00007fc639d28000 R11: 0000000000000246 R12: 00007fc639edbf80 R13: 00007fc639edbf8c R14: 0000000000000032 R15: 00007fc639edd980 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 4243 Comm: syz-executor.1 Tainted: G W 5.15.149-syzkaller-00165-g85445b5a2107 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 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 7a 02 f3 03 f4 54 ff ff ff fa 4c 89 e8 48 c1 e8 03 42 0f b6 04 20 84 c0 44 8b RSP: 0018:ffffc900001d02a0 EFLAGS: 00000046 RAX: 0000000000000003 RBX: 1ffff9200003a058 RCX: ffffffff8154fb7f RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff8881f7129a00 RBP: ffffc900001d0350 R08: dffffc0000000000 R09: ffffed103ee25341 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff8881f7129a00 R14: 0000000000000003 R15: 1ffff9200003a05c FS: 0000555555b04480(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2ef36000 CR3: 0000000128804000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 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 hrtimer_interrupt+0x111/0xaa0 kernel/time/hrtimer.c:1792 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1085 [inline] __sysvec_apic_timer_interrupt+0xfd/0x3c0 arch/x86/kernel/apic/apic.c:1102 sysvec_apic_timer_interrupt+0x44/0xc0 arch/x86/kernel/apic/apic.c:1096 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:unwind_next_frame+0x1/0x700 arch/x86/kernel/unwind_frame.c:255 Code: c0 08 5b 41 5e 41 5f 5d c3 44 89 f1 80 e1 07 80 c1 03 38 c1 7c 99 4c 89 f7 e8 8b 9d 7d 00 eb 8f 66 0f 1f 84 00 00 00 00 00 55 <48> 89 e5 41 57 41 56 41 55 41 54 53 48 83 ec 50 49 89 fe 48 ba 00 RSP: 0018:ffffc900001d0750 EFLAGS: 00000202 RAX: 0000000000000001 RBX: ffffc900001d0760 RCX: 00000000001d0701 RDX: dffffc0000000000 RSI: ffffffff815dba77 RDI: ffffc900001d0760 RBP: ffffc900001d07f0 R08: ffffc900001d0848 R09: 0000000000000008 R10: ffffc900001d0850 R11: dffffc0000000001 R12: ffff888129f3cf00 R13: ffffffff815f5280 R14: ffffc900001d0840 R15: 0000000000000000 stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track+0x4b/0x70 mm/kasan/common.c:45 kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370 ____kasan_slab_free+0x126/0x160 mm/kasan/common.c:365 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:373 kasan_slab_free include/linux/kasan.h:193 [inline] slab_free_hook mm/slub.c:1723 [inline] slab_free_freelist_hook+0xbd/0x190 mm/slub.c:1749 slab_free mm/slub.c:3519 [inline] kfree+0xc8/0x220 mm/slub.c:4579 neigh_parms_destroy net/core/neighbour.c:1680 [inline] neigh_parms_put net/core/neighbour.c:824 [inline] neigh_rcu_free_parms+0x4f/0x80 net/core/neighbour.c:1662 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_hash_delete_elem+0x2a2/0x2f0 net/core/sock_map.c:945 bpf_prog_2c29ac5cdc6b1842+0x3a/0xddc bpf_dispatcher_nop_func include/linux/bpf.h:785 [inline] __bpf_prog_run include/linux/filter.h:625 [inline] bpf_prog_run include/linux/filter.h:632 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:1880 [inline] bpf_trace_run2+0xec/0x210 kernel/trace/bpf_trace.c:1917 __bpf_trace_hrtimer_start+0x23/0x30 include/trace/events/timer.h:199 trace_hrtimer_start include/trace/events/timer.h:199 [inline] debug_activate kernel/time/hrtimer.c:476 [inline] enqueue_hrtimer+0x1e7/0x240 kernel/time/hrtimer.c:1084 __hrtimer_start_range_ns kernel/time/hrtimer.c:1258 [inline] hrtimer_start_range_ns+0x9f4/0xb80 kernel/time/hrtimer.c:1298 hrtimer_start_expires include/linux/hrtimer.h:435 [inline] hrtimer_sleeper_start_expires+0x67/0x70 kernel/time/hrtimer.c:1965 futex_wait_queue_me+0x231/0x760 kernel/futex/core.c:2858 futex_wait+0x2e6/0x9a0 kernel/futex/core.c:2975 do_futex+0x1367/0x37f0 kernel/futex/core.c:3995 __do_sys_futex kernel/futex/core.c:4072 [inline] __se_sys_futex+0x37b/0x3e0 kernel/futex/core.c:4053 __x64_sys_futex+0xe5/0x100 kernel/futex/core.c:4053 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: 0033:0x7fd45bcaeea9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc05ca1ce8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 000000000003e8f0 RCX: 00007fd45bcaeea9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fd45bde5f8c RBP: 000000000003e922 R08: 00007ffc05d710b0 R09: 0000001600000000 R10: 00007ffc05ca1dd0 R11: 0000000000000246 R12: 00007ffc05ca1dd0 R13: 00007fd45bde5f8c R14: 0000000000000032 R15: 00007ffc05ca1df0