watchdog: BUG: soft lockup - CPU#1 stuck for 143s! [syz.3.40:6041] Modules linked in: irq event stamp: 10950245 hardirqs last enabled at (10950244): [] irqentry_exit+0x63/0x90 kernel/entry/common.c:357 hardirqs last disabled at (10950245): [] sysvec_apic_timer_interrupt+0xe/0xc0 arch/x86/kernel/apic/apic.c:1049 softirqs last enabled at (7886384): [] __do_softirq kernel/softirq.c:588 [inline] softirqs last enabled at (7886384): [] invoke_softirq kernel/softirq.c:428 [inline] softirqs last enabled at (7886384): [] __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637 softirqs last disabled at (7886387): [] __do_softirq kernel/softirq.c:588 [inline] softirqs last disabled at (7886387): [] invoke_softirq kernel/softirq.c:428 [inline] softirqs last disabled at (7886387): [] __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637 CPU: 1 UID: 0 PID: 6041 Comm: syz.3.40 Not tainted 6.12.0-rc4-syzkaller-g1850ce1bddf2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0xd8/0x140 kernel/locking/spinlock.c:194 Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 9e fd 2d f6 f6 44 24 21 02 75 52 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 93 68 92 f5 65 8b 05 a4 12 33 74 85 c0 74 43 48 c7 04 24 0e 36 RSP: 0018:ffffc90000a18a60 EFLAGS: 00000206 RAX: 0f7503a46f036f00 RBX: 1ffff92000143150 RCX: ffffffff8170be0a RDX: dffffc0000000000 RSI: ffffffff8c0acb40 RDI: 0000000000000001 RBP: ffffc90000a18af0 R08: ffffffff942ca807 R09: 1ffffffff2859500 R10: dffffc0000000000 R11: fffffbfff2859501 R12: dffffc0000000000 R13: 1ffff9200014314c R14: ffffc90000a18a80 R15: 0000000000000246 FS: 00007f97f89c56c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c28f132 CR3: 0000000027756000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: debug_object_deactivate+0x2d5/0x390 lib/debugobjects.c:778 debug_rcu_head_unqueue kernel/rcu/rcu.h:236 [inline] rcu_do_batch kernel/rcu/tree.c:2559 [inline] rcu_core+0xa30/0x17a0 kernel/rcu/tree.c:2823 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:preempt_schedule_irq+0xf6/0x1c0 kernel/sched/core.c:7012 Code: 89 f5 49 c1 ed 03 eb 0d 48 f7 03 08 00 00 00 0f 84 8b 00 00 00 bf 01 00 00 00 e8 65 01 94 f5 e8 b0 73 cd f5 fb bf 01 00 00 00 e5 ab ff ff 43 80 7c 3d 00 00 74 08 4c 89 f7 e8 c5 98 2f f6 48 RSP: 0018:ffffc90004a5f460 EFLAGS: 00000286 RAX: 0f7503a46f036f00 RBX: 1ffff9200094be94 RCX: ffffffff8170be0a RDX: dffffc0000000000 RSI: ffffffff8c0acb40 RDI: 0000000000000001 RBP: ffffc90004a5f520 R08: ffffffff942ca807 R09: 1ffffffff2859500 R10: dffffc0000000000 R11: fffffbfff2859501 R12: 1ffff9200094be8c R13: 1ffff9200094be90 R14: ffffc90004a5f480 R15: dffffc0000000000 irqentry_exit+0x5e/0x90 kernel/entry/common.c:354 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:__text_poke+0x114/0xd30 arch/x86/kernel/alternative.c:1872 Code: 80 3c 2c 00 74 08 4c 89 f7 e8 58 62 c9 00 48 c7 84 24 60 01 00 00 00 00 00 00 48 c7 c0 60 22 1d 93 48 c1 e8 03 42 0f b6 04 28 <84> c0 0f 85 17 0b 00 00 44 8b 35 bd c0 e7 11 31 ff 44 89 f6 e8 53 RSP: 0018:ffffc90004a5f5e0 EFLAGS: 00000a02 RAX: 0000000000000004 RBX: 1ffff9200094becc RCX: ffff88803036da00 RDX: ffffc9000cf93000 RSI: 0000000000000d31 RDI: 0000000000001000 RBP: ffffc90004a5f7b0 R08: ffffffff81356162 R09: 1ffffffff2859500 R10: dffffc0000000000 R11: fffffbfff2859501 R12: 1ffff9200094bee8 R13: dffffc0000000000 R14: ffffc90004a5f740 R15: ffffffff81706d30 text_poke arch/x86/kernel/alternative.c:1984 [inline] text_poke_bp_batch+0x8cd/0xb30 arch/x86/kernel/alternative.c:2373 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: 0033:0x7f97f7b7e719 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:00007f97f89c5038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007f97f7d36058 RCX: 00007f97f7b7e719 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000240 RBP: 00007f97f7bf139e R08: 0000000000000008 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f97f7d36058 R15: 00007fffa041c3b8 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 6047 Comm: syz-executor Not tainted 6.12.0-rc4-syzkaller-g1850ce1bddf2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:should_fail_alloc_page+0x5/0x110 mm/fail_page_alloc.c:27 Code: 4c 89 ff e8 4d 74 ff ff eb 85 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 55 <41> 56 53 41 89 f6 89 fb e8 2e 89 95 ff 8b 2d 6c d1 a5 0c 89 ef 44 RSP: 0018:ffffc900044b79f8 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffff88803501da2c RCX: ffff88803501da00 RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000002dc2 RBP: 0000000000000000 R08: ffffffff901cff2f R09: 1ffffffff2039fe5 R10: dffffc0000000000 R11: fffffbfff2039fe6 R12: 0000000000000000 R13: ffffc900044b7ae0 R14: 0000000000002dc2 R15: 0000000000000000 FS: 000055558ca73500(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe8a5536018 CR3: 000000006642e000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: prepare_alloc_pages+0x1da/0x5b0 mm/page_alloc.c:4495 __alloc_pages_noprof+0x16f/0x710 mm/page_alloc.c:4722 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: 0033:0x7fe8a537e31b 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:00007ffdf51eae40 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000040000 RCX: 00007fe8a537e31b RDX: 0000000000040000 RSI: ffffffff80086301 RDI: 00000000000000d8 RBP: 00007fe8a5536018 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000003 R14: 0000000000000009 R15: 0000000000000000