RBP: 00007f9c9a9a7ba0 R08: 0000000000000001 R09: 0000001e2a36dd5f R10: 00007f9c9a400000 R11: 0000000000000246 R12: 00007f9c9a9a5fac R13: 00007f9c9a9a5fa0 R14: ffffffffffffffff R15: 00007ffe2a36db80 watchdog: BUG: soft lockup - CPU#1 stuck for 226s! [syz.3.2843:10490] Modules linked in: CPU: 1 PID: 10490 Comm: syz.3.2843 Tainted: G W 6.1.124-syzkaller-00004-g1ac09f5c0571 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 RIP: 0010:csd_lock_wait kernel/smp.c:453 [inline] RIP: 0010:smp_call_function_many_cond+0x84f/0x930 kernel/smp.c:998 Code: 3e 44 89 fe 83 e6 01 31 ff e8 dd 9b 09 00 41 83 e7 01 49 bf 00 00 00 00 00 fc ff df 75 0a e8 18 98 09 00 e9 2f ff ff ff f3 90 <42> 0f b6 04 3b 84 c0 75 14 41 f7 06 01 00 00 00 0f 84 12 ff ff ff RSP: 0018:ffffc90009cdf7a0 EFLAGS: 00000293 RAX: ffffffff816bfcca RBX: 1ffff1103edc7a99 RCX: ffff88811c896540 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc90009cdf8b8 R08: ffffffff816bfc93 R09: ffffed103ede71fb R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 R13: 0000000800000000 R14: ffff8881f6e3d4c8 R15: dffffc0000000000 FS: 000055557bb53500(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000100000000 CR3: 000000013021a000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: on_each_cpu_cond_mask+0x40/0x80 kernel/smp.c:1166 on_each_cpu include/linux/smp.h:71 [inline] text_poke_sync arch/x86/kernel/alternative.c:1334 [inline] text_poke_bp_batch+0x1e9/0x730 arch/x86/kernel/alternative.c:1534 text_poke_flush arch/x86/kernel/alternative.c:1725 [inline] text_poke_finish+0x1a/0x30 arch/x86/kernel/alternative.c:1732 arch_jump_label_transform_apply+0x15/0x30 arch/x86/kernel/jump_label.c:146 __jump_label_update+0x36a/0x380 kernel/jump_label.c:451 jump_label_update+0x3af/0x450 kernel/jump_label.c:797 static_key_disable_cpuslocked+0xd1/0x1b0 kernel/jump_label.c:203 static_key_disable+0x1a/0x30 kernel/jump_label.c:211 tracepoint_remove_func kernel/tracepoint.c:417 [inline] tracepoint_probe_unregister+0x60a/0x900 kernel/tracepoint.c:551 bpf_probe_unregister+0x61/0x70 kernel/trace/bpf_trace.c:2358 bpf_raw_tp_link_release+0x63/0x90 kernel/bpf/syscall.c:3175 bpf_link_free+0x129/0x3f0 kernel/bpf/syscall.c:2744 bpf_link_put kernel/bpf/syscall.c:2770 [inline] bpf_link_release+0x170/0x180 kernel/bpf/syscall.c:2779 __fput+0x1e5/0x870 fs/file_table.c:320 ____fput+0x15/0x20 fs/file_table.c:348 task_work_run+0x24d/0x2e0 kernel/task_work.c:203 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop+0x94/0xa0 kernel/entry/common.c:177 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:210 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline] syscall_exit_to_user_mode+0x26/0x130 kernel/entry/common.c:303 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:87 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f9c9a78cde9 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:00007ffe2a36da68 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 0000000000042d9e RCX: 00007f9c9a78cde9 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 00007f9c9a9a7ba0 R08: 0000000000000001 R09: 0000001e2a36dd5f R10: 00007f9c9a400000 R11: 0000000000000246 R12: 00007f9c9a9a5fac R13: 00007f9c9a9a5fa0 R14: ffffffffffffffff R15: 00007ffe2a36db80 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 10481 Comm: syz.9.2840 Tainted: G W 6.1.124-syzkaller-00004-g1ac09f5c0571 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 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:1058 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 da de 50 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:ffffc90000007220 EFLAGS: 00000046 RAX: 0000000000000003 RBX: 1ffff92000000e48 RCX: ffffffff8522878c RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff8881f6e27b80 RBP: ffffc900000072d0 R08: dffffc0000000000 R09: ffffed103edc4f71 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff8881f6e27b80 R14: 0000000000000003 R15: 1ffff92000000e4c FS: 00007f81f8abc6c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000400000141000 CR3: 000000012bea2000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000082 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: pv_wait arch/x86/include/asm/paravirt.h:603 [inline] pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline] __pv_queued_spin_lock_slowpath+0x6de/0xda0 kernel/locking/qspinlock.c:511 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:591 [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 include/linux/spinlock.h:187 [inline] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:111 [inline] _raw_spin_lock_irqsave+0x1a0/0x210 kernel/locking/spinlock.c:162 lock_timer_base+0x12f/0x270 kernel/time/timer.c:1005 __mod_timer+0x1c9/0xcf0 kernel/time/timer.c:1078 add_timer+0x68/0x80 kernel/time/timer.c:1218 __queue_delayed_work+0x16d/0x1f0 kernel/workqueue.c:1686 queue_delayed_work_on+0x10f/0x180 kernel/workqueue.c:1711 queue_delayed_work include/linux/workqueue.h:525 [inline] schedule_delayed_monitor_work kernel/rcu/tree.c:3216 [inline] kvfree_call_rcu+0x490/0x800 kernel/rcu/tree.c:3472 trie_delete_elem+0x5a6/0x760 kernel/bpf/lpm_trie.c:545 bpf_prog_2c29ac5cdc6b1842+0x3a/0x3e bpf_dispatcher_nop_func include/linux/bpf.h:987 [inline] __bpf_prog_run include/linux/filter.h:603 [inline] bpf_prog_run include/linux/filter.h:610 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2282 [inline] bpf_trace_run3+0x177/0x2e0 kernel/trace/bpf_trace.c:2322 __bpf_trace_timer_start+0x2b/0x40 include/trace/events/timer.h:53 trace_timer_start include/trace/events/timer.h:53 [inline] enqueue_timer+0x303/0x480 kernel/time/timer.c:615 internal_add_timer kernel/time/timer.c:640 [inline] __mod_timer+0x8d3/0xcf0 kernel/time/timer.c:1121 mod_timer+0x1f/0x30 kernel/time/timer.c:1172 addrconf_mod_rs_timer+0x54/0xe0 net/ipv6/addrconf.c:325 addrconf_rs_timer+0x3d1/0x600 net/ipv6/addrconf.c:4013 call_timer_fn+0x3b/0x2d0 kernel/time/timer.c:1510 expire_timers kernel/time/timer.c:1555 [inline] __run_timers+0x72a/0xa10 kernel/time/timer.c:1826 run_timer_softirq+0x69/0xf0 kernel/time/timer.c:1839 handle_softirqs+0x1db/0x650 kernel/softirq.c:617 __do_softirq kernel/softirq.c:655 [inline] invoke_softirq kernel/softirq.c:472 [inline] __irq_exit_rcu+0x52/0xf0 kernel/softirq.c:704 irq_exit_rcu+0x9/0x10 kernel/softirq.c:716 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline] sysvec_apic_timer_interrupt+0xa9/0xc0 arch/x86/kernel/apic/apic.c:1118 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:691 RIP: 0010:handle_pte_fault mm/memory.c:5149 [inline] RIP: 0010:__handle_mm_fault mm/memory.c:5299 [inline] RIP: 0010:handle_mm_fault+0x175b/0x30e0 mm/memory.c:5439 Code: c4 ff e9 cf f8 ff ff e8 c3 0d c4 ff e9 d9 03 00 00 e8 b9 0d c4 ff 4c 8b 7c 24 08 e9 76 03 00 00 e8 aa 0d c4 ff e9 a7 f8 ff ff a0 0d c4 ff 49 bc 00 00 00 00 00 fc ff df 43 80 3c 26 00 74 08 RSP: 0018:ffffc90008db7600 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff88814bd6a880 RDX: ffffc900046a6000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90008db7848 R08: ffffffff81b18392 R09: ffffc90008db7790 R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff920011b6ef4 R13: ffffc90008db77b8 R14: 1ffff920011b6ef7 R15: ffffc90008db7760 do_user_addr_fault arch/x86/mm/fault.c:1374 [inline] handle_page_fault arch/x86/mm/fault.c:1466 [inline] exc_page_fault+0x24d/0x6d0 arch/x86/mm/fault.c:1522 asm_exc_page_fault+0x27/0x30 arch/x86/include/asm/idtentry.h:608 RIP: 0010:fault_in_readable+0x17c/0x2d0 mm/gup.c:1898 Code: 89 c3 49 bd 00 00 00 00 00 fc ff df 4d 01 e6 49 81 e6 00 f0 ff ff 49 39 c6 72 75 e8 3e e6 c5 ff 4c 39 f3 74 78 4c 89 64 24 10 <44> 8a 23 43 0f b6 04 2f 84 c0 75 18 44 88 64 24 40 48 81 c3 00 10 RSP: 0018:ffffc90008db7960 EFLAGS: 00050287 RAX: ffffffff81afae82 RBX: 0000400000141000 RCX: 0000000000080000 RDX: ffffc900046a6000 RSI: 00000000000156ae RDI: 00000000000156af RBP: ffffc90008db7a10 R08: ffffffff81afae01 R09: ffffffff8275c6a9 R10: 0000000000000002 R11: ffff88814bd6a880 R12: 0000000000001000 R13: dffffc0000000000 R14: 0000400000142000 R15: 1ffff920011b6f34 fault_in_iov_iter_readable+0xdf/0x290 lib/iov_iter.c:356 generic_perform_write+0x21d/0x780 mm/filemap.c:3867 __generic_file_write_iter+0x174/0x3a0 mm/filemap.c:4006 generic_file_write_iter+0xb1/0x310 mm/filemap.c:4038 call_write_iter include/linux/fs.h:2274 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0xaf6/0xed0 fs/read_write.c:584 ksys_write+0x199/0x2c0 fs/read_write.c:637 __do_sys_write fs/read_write.c:649 [inline] __se_sys_write fs/read_write.c:646 [inline] __x64_sys_write+0x7b/0x90 fs/read_write.c:646 x64_sys_call+0x2f/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:2 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f81f7b8cde9 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:00007f81f8abc038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f81f7da5fa0 RCX: 00007f81f7b8cde9 RDX: 00000000002a979d RSI: 0000400000000000 RDI: 000000000000000a RBP: 00007f81f7c0e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f81f7da5fa0 R15: 00007ffd4c52b778