watchdog: BUG: soft lockup - CPU#0 stuck for 144s! [syz.3.73:6131] Modules linked in: irq event stamp: 12248179 hardirqs last enabled at (12248178): [] irqentry_exit+0x63/0x90 kernel/entry/common.c:357 hardirqs last disabled at (12248179): [] sysvec_apic_timer_interrupt+0xe/0xc0 arch/x86/kernel/apic/apic.c:1049 softirqs last enabled at (11884358): [] __do_softirq kernel/softirq.c:588 [inline] softirqs last enabled at (11884358): [] invoke_softirq kernel/softirq.c:428 [inline] softirqs last enabled at (11884358): [] __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637 softirqs last disabled at (11884361): [] __do_softirq kernel/softirq.c:588 [inline] softirqs last disabled at (11884361): [] invoke_softirq kernel/softirq.c:428 [inline] softirqs last disabled at (11884361): [] __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637 CPU: 0 UID: 0 PID: 6131 Comm: syz.3.73 Not tainted 6.12.0-rc4-syzkaller-ga2b4a9cddae8 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 RIP: 0010:lock_release+0x911/0xa30 Code: ff ff 48 8d 8c 24 80 00 00 00 80 e1 07 80 c1 03 38 c1 0f 8c fb fa ff ff 48 8d bc 24 80 00 00 00 e8 84 6e 8e 00 e9 e9 fa ff ff 0f 1e fa 4d 89 ee 4c 89 64 24 10 65 8b 05 38 62 93 7e 83 f8 08 RSP: 0018:ffffc900000077c0 EFLAGS: 00000a02 RAX: f3f3f3f3f300f2f2 RBX: 0000000000000001 RCX: ffff888025755a00 RDX: 0000000000000100 RSI: ffffffff8a6f7ec4 RDI: ffffffff8e939de0 RBP: ffffc900000078f0 R08: ffffffff8a6f850e R09: 1ffffffff203a455 R10: dffffc0000000000 R11: fffffbfff203a456 R12: 1ffff92000000f04 R13: ffffffff8a6f7ec4 R14: 1ffff92000000f30 R15: dffffc0000000000 FS: 00007fb2bc8236c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffed317de88 CR3: 0000000033d50000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rcu_lock_release include/linux/rcupdate.h:347 [inline] rcu_read_unlock include/linux/rcupdate.h:880 [inline] ndisc_send_skb+0xc6b/0x1380 net/ipv6/ndisc.c:519 addrconf_rs_timer+0x371/0x670 net/ipv6/addrconf.c:4042 call_timer_fn+0x18e/0x650 kernel/time/timer.c:1794 expire_timers kernel/time/timer.c:1845 [inline] __run_timers kernel/time/timer.c:2419 [inline] __run_timer_base+0x66a/0x8e0 kernel/time/timer.c:2430 run_timer_base kernel/time/timer.c:2439 [inline] run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2449 handle_softirqs+0x2c5/0x980 kernel/softirq.c:554 __do_softirq kernel/softirq.c:588 [inline] invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637 irq_exit_rcu+0x9/0x30 kernel/softirq.c:649 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1049 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:native_send_call_func_single_ipi+0x0/0x10 arch/x86/kernel/apic/ipi.c:77 Code: 0f 0b 90 90 5b 5d c3 cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa be fb 00 00 00 e9 02 18 01 00 66 90 90 90 90 90 90 90 RSP: 0018:ffffc9000b47f578 EFLAGS: 00000246 RAX: 1ffffffff1cf2dca RBX: 0000000000000001 RCX: ffff888025755a00 RDX: 0000000000000000 RSI: ffffffff8c610bc0 RDI: 0000000000000001 RBP: ffffc9000b47f780 R08: ffffffff8188e2ca R09: 1ffffffff203a455 R10: dffffc0000000000 R11: ffffffff813ed230 R12: dffffc0000000000 R13: ffff8880b863fcc0 R14: 0000000000000001 R15: 0000000000000001 arch_send_call_function_single_ipi arch/x86/include/asm/smp.h:94 [inline] send_call_function_single_ipi kernel/smp.c:118 [inline] smp_call_function_many_cond+0x15c6/0x2ca0 kernel/smp.c:866 on_each_cpu_cond_mask+0x3f/0x80 kernel/smp.c:1051 on_each_cpu include/linux/smp.h:71 [inline] text_poke_sync arch/x86/kernel/alternative.c:2085 [inline] text_poke_bp_batch+0x726/0xb30 arch/x86/kernel/alternative.c:2357 text_poke_flush arch/x86/kernel/alternative.c:2486 [inline] text_poke_finish+0x30/0x50 arch/x86/kernel/alternative.c:2493 arch_jump_label_transform_apply+0x1c/0x30 arch/x86/kernel/jump_label.c:146 static_key_enable_cpuslocked+0x136/0x260 kernel/jump_label.c:210 static_key_enable+0x1a/0x20 kernel/jump_label.c:223 tracepoint_add_func+0x953/0x9e0 kernel/tracepoint.c:361 tracepoint_probe_register_prio kernel/tracepoint.c:511 [inline] tracepoint_probe_register+0x105/0x160 kernel/tracepoint.c:531 perf_trace_event_reg kernel/trace/trace_event_perf.c:129 [inline] perf_trace_event_init+0x478/0x930 kernel/trace/trace_event_perf.c:202 perf_trace_init+0x243/0x2e0 kernel/trace/trace_event_perf.c:226 perf_tp_event_init+0x8d/0x110 kernel/events/core.c:10357 perf_try_init_event+0x146/0x810 kernel/events/core.c:11891 perf_init_event kernel/events/core.c:11977 [inline] perf_event_alloc+0x135f/0x2310 kernel/events/core.c:12259 __do_sys_perf_event_open kernel/events/core.c:12766 [inline] __se_sys_perf_event_open+0xb1f/0x3870 kernel/events/core.c:12657 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb2bb97e719 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:00007fb2bc823038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007fb2bbb35f80 RCX: 00007fb2bb97e719 RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000020000040 RBP: 00007fb2bb9f139e R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fb2bbb35f80 R15: 00007ffdaf815bc8 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 6144 Comm: syz-executor Not tainted 6.12.0-rc4-syzkaller-ga2b4a9cddae8 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 RIP: 0010:memset_orig+0xb/0xb0 arch/x86/lib/memset_64.S:51 Code: 4c 89 c8 c3 cc cc cc cc 0f 1f 80 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 49 89 fa 40 0f b6 ce <48> b8 01 01 01 01 01 01 01 01 48 0f af c1 41 89 f9 41 83 e1 07 75 RSP: 0018:ffffc9000bd1f3a8 EFLAGS: 00000202 RAX: ffffc9000bd1fb01 RBX: ffffc9000bd1f4b8 RCX: 0000000000000000 RDX: 0000000000000010 RSI: 0000000000000000 RDI: ffffc9000bd1f4d0 RBP: dffffc0000000000 R08: ffffc9000bd1f4df R09: 1ffff920017a3e9b R10: ffffc9000bd1f4d0 R11: fffff520017a3e9c R12: ffffc9000bd20000 R13: ffffc9000bd1f480 R14: ffffffff81fb8e58 R15: ffffc9000bd1f4d0 FS: 000055558538c500(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4d9d467d60 CR3: 0000000033f06000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: unwind_next_frame+0xcfb/0x22d0 arch/x86/kernel/unwind_orc.c:592 arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122 save_stack+0xfb/0x1f0 mm/page_owner.c:156 __set_page_owner+0x92/0x800 mm/page_owner.c:320 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1537 prep_new_page mm/page_alloc.c:1545 [inline] get_page_from_freelist+0x3045/0x3190 mm/page_alloc.c:3457 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4733 alloc_pages_mpol_noprof+0x3e8/0x680 mm/mempolicy.c:2265 vm_area_alloc_pages mm/vmalloc.c:3568 [inline] __vmalloc_area_node mm/vmalloc.c:3646 [inline] __vmalloc_node_range_noprof+0xa2b/0x13f0 mm/vmalloc.c:3828 vmalloc_user_noprof+0x74/0x80 mm/vmalloc.c:3982 kcov_ioctl+0x56/0x640 kernel/kcov.c:716 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl+0xf9/0x170 fs/ioctl.c:893 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f5eb297e31b Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00 RSP: 002b:00007fffd1d550e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000040000 RCX: 00007f5eb297e31b RDX: 0000000000040000 RSI: ffffffff80086301 RDI: 00000000000000dd RBP: 00007f5eb2b36450 R08: 00000000000000da R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000003 R14: 0000000000000009 R15: 0000000000000000