watchdog: BUG: soft lockup - CPU#1 stuck for 143s! [syz.1.31:5399] Modules linked in: irq event stamp: 10877957 hardirqs last enabled at (10877956): [] irqentry_exit+0x63/0x90 kernel/entry/common.c:357 hardirqs last disabled at (10877957): [] sysvec_apic_timer_interrupt+0xe/0xc0 arch/x86/kernel/apic/apic.c:1037 softirqs last enabled at (6238512): [] __do_softirq kernel/softirq.c:588 [inline] softirqs last enabled at (6238512): [] invoke_softirq kernel/softirq.c:428 [inline] softirqs last enabled at (6238512): [] __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637 softirqs last disabled at (6238515): [] __do_softirq kernel/softirq.c:588 [inline] softirqs last disabled at (6238515): [] invoke_softirq kernel/softirq.c:428 [inline] softirqs last disabled at (6238515): [] __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637 CPU: 1 UID: 0 PID: 5399 Comm: syz.1.31 Not tainted 6.12.0-rc1-syzkaller-00163-g4073213488be #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x70 kernel/kcov.c:210 Code: 89 fb e8 23 00 00 00 48 8b 3d e4 fe 9c 0c 48 89 de 5b e9 d3 c8 5d 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 48 8b 04 24 65 48 8b 0c 25 c0 d7 03 00 65 8b 15 40 f4 RSP: 0000:ffffc90000a17978 EFLAGS: 00000246 RAX: 0000000000000100 RBX: ffff888021a92280 RCX: ffff8880334a5a00 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff898ce0ed R09: 1ffffffff2858b19 R10: dffffc0000000000 R11: ffffffff8135ce40 R12: 0000000000000005 R13: ffff888021a92280 R14: dffffc0000000000 R15: ffffea0000c54b40 FS: 00007fa4cfde36c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8f81fbaf98 CR3: 000000007c540000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __skb_fill_netmem_desc include/linux/skbuff.h:2567 [inline] skb_fill_netmem_desc include/linux/skbuff.h:2580 [inline] skb_fill_page_desc+0x1cc/0x4a0 include/linux/skbuff.h:2601 skb_try_coalesce+0x7c2/0xee0 net/core/skbuff.c:6061 tcp_try_coalesce+0x31f/0x9a0 net/ipv4/tcp_input.c:4861 tcp_queue_rcv+0x7a/0x520 net/ipv4/tcp_input.c:5128 tcp_rcv_established+0x13d1/0x2020 net/ipv4/tcp_input.c:6186 tcp_v4_do_rcv+0x96d/0xc70 net/ipv4/tcp_ipv4.c:1915 tcp_v4_rcv+0x2dc0/0x37f0 net/ipv4/tcp_ipv4.c:2350 ip_protocol_deliver_rcu+0x22e/0x440 net/ipv4/ip_input.c:205 ip_local_deliver_finish+0x341/0x5f0 net/ipv4/ip_input.c:233 NF_HOOK+0x3a4/0x450 include/linux/netfilter.h:314 ip_local_deliver net/ipv4/ip_input.c:254 [inline] dst_input include/net/dst.h:460 [inline] ip_sublist_rcv_finish+0x3be/0x4f0 net/ipv4/ip_input.c:580 ip_list_rcv_finish net/ipv4/ip_input.c:630 [inline] ip_sublist_rcv+0x75d/0xab0 net/ipv4/ip_input.c:638 ip_list_rcv+0x42b/0x480 net/ipv4/ip_input.c:672 __netif_receive_skb_list_ptype net/core/dev.c:5709 [inline] __netif_receive_skb_list_core+0x94e/0x980 net/core/dev.c:5756 __netif_receive_skb_list net/core/dev.c:5808 [inline] netif_receive_skb_list_internal+0xa51/0xe30 net/core/dev.c:5899 gro_normal_list include/net/gro.h:515 [inline] napi_complete_done+0x310/0x8e0 net/core/dev.c:6250 virtqueue_napi_complete drivers/net/virtio_net.c:697 [inline] virtnet_poll+0x2db0/0x3980 drivers/net/virtio_net.c:2831 __napi_poll+0xcb/0x490 net/core/dev.c:6775 napi_poll net/core/dev.c:6844 [inline] net_rx_action+0x89b/0x1240 net/core/dev.c:6966 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:1037 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1037 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:__schedule+0x4/0x4b30 kernel/sched/core.c:6533 Code: c7 c7 a0 13 04 90 e8 cb 5b 31 f6 c3 cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa <55> 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48 81 ec c0 01 RSP: 0000:ffffc900044e75f8 EFLAGS: 00000286 RAX: 257638d3d1f99d00 RBX: 1ffff9200089cec8 RCX: ffffffff8170c42a RDX: dffffc0000000000 RSI: ffffffff8c0acac0 RDI: 0000000000000001 RBP: ffffc900044e76c0 R08: ffffffff942c5807 R09: 1ffffffff2858b00 R10: dffffc0000000000 R11: fffffbfff2858b01 R12: 1ffff9200089cec0 R13: 1ffff9200089cec4 R14: ffffc900044e7620 R15: dffffc0000000000 preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:6997 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:preempt_schedule_thunk+0x0/0x30 arch/x86/entry/thunk.S:12 Code: 2d 94 00 48 c7 c0 00 59 00 8c c3 cc cc cc cc 0f 1f 00 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 55 48 89 e5 57 56 52 51 50 41 50 41 51 41 52 41 53 e8 RSP: 0000:ffffc900044e7788 EFLAGS: 00000283 RAX: ffffffff81890244 RBX: 0000000000000000 RCX: 0000000000040000 RDX: ffffc900045c1000 RSI: 0000000000003dca RDI: 0000000000003dcb RBP: 0000000000000003 R08: ffffffff81890229 R09: 1ffffffff2858b00 R10: dffffc0000000000 R11: fffffbfff2858b01 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff901ce468 on_each_cpu_cond_mask+0x79/0x80 kernel/smp.c:1052 on_each_cpu include/linux/smp.h:71 [inline] text_poke_sync arch/x86/kernel/alternative.c:2085 [inline] text_poke_bp_batch+0x352/0xb30 arch/x86/kernel/alternative.c:2295 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: 0033:0x7fa4cef7dff9 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:00007fa4cfde3038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007fa4cf135f80 RCX: 00007fa4cef7dff9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000040 RBP: 00007fa4ceff0296 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fa4cf135f80 R15: 00007ffe6c6cf848 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 5391 Comm: syz.4.26 Not tainted 6.12.0-rc1-syzkaller-00163-g4073213488be #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:arch_static_branch arch/x86/include/asm/jump_label.h:27 [inline] RIP: 0010:static_key_false include/linux/jump_label.h:207 [inline] RIP: 0010:native_write_msr arch/x86/include/asm/msr.h:149 [inline] RIP: 0010:wrmsr arch/x86/include/asm/msr.h:256 [inline] RIP: 0010:native_apic_msr_write+0x39/0x50 arch/x86/include/asm/apic.h:212 Code: 74 2a 83 ff 30 74 25 eb 10 81 ff d0 00 00 00 74 1b 81 ff e0 00 00 00 74 13 c1 ef 04 81 c7 00 08 00 00 89 f9 89 f0 31 d2 0f 30 <66> 90 c3 cc cc cc cc f3 0f 1e fa 89 f6 31 d2 e9 63 2e b5 03 0f 1f RSP: 0018:ffffc90000007410 EFLAGS: 00000046 RAX: 000000000000011d RBX: 0000000000000020 RCX: 0000000000000838 RDX: 0000000000000000 RSI: 000000000000011d RDI: 0000000000000838 RBP: 000000000000011d R08: ffffffff81857069 R09: 1ffffffff2039c8d R10: dffffc0000000000 R11: ffffffff813eb4e0 R12: 00000000000011d8 R13: dffffc0000000000 R14: 0000000010006657 R15: ffff8880b8628340 FS: 00007f9f1a2b56c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b32c1fffc CR3: 0000000024850000 CR4: 00000000003526f0 Call Trace: apic_write arch/x86/include/asm/apic.h:405 [inline] lapic_next_event+0x11/0x20 arch/x86/kernel/apic/apic.c:415 clockevents_program_event+0x1c1/0x350 kernel/time/clockevents.c:334 hrtimer_interrupt+0x54a/0x990 kernel/time/hrtimer.c:1830 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1026 [inline] __sysvec_apic_timer_interrupt+0x110/0x3f0 arch/x86/kernel/apic/apic.c:1043 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1037 [inline] sysvec_apic_timer_interrupt+0x52/0xc0 arch/x86/kernel/apic/apic.c:1037 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:kasan_quarantine_put+0x88/0x230 mm/kasan/quarantine.c:237 Code: e8 dd 05 9e ff 48 c7 04 24 00 00 00 00 9c 8f 04 24 f7 04 24 00 02 00 00 0f 85 87 00 00 00 41 f7 c7 00 02 00 00 74 01 fb 31 c0 <48> 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc 48 8d 80 80 RSP: 0018:ffffc90000007668 EFLAGS: 00000206 RAX: be89fafec5b12501 RBX: ffff8880324b4500 RCX: ffffffff9a3cc903 RDX: dffffc0000000000 RSI: ffffffff8c0acac0 RDI: ffffffff8c60fbe0 RBP: 0000000000000000 R08: ffffffff901ce46f R09: 1ffffffff2039c8d R10: dffffc0000000000 R11: fffffbfff2039c8e R12: ffff8881412d779c R13: ffffea0000c92d00 R14: 0000000000059100 R15: 0000000000000286 kasan_slab_free include/linux/kasan.h:230 [inline] slab_free_hook mm/slub.c:2343 [inline] slab_free mm/slub.c:4580 [inline] kmem_cache_free+0x1a2/0x420 mm/slub.c:4682 kfree_skb_reason include/linux/skbuff.h:1262 [inline] kfree_skb include/linux/skbuff.h:1271 [inline] ip6_mc_input+0xa1f/0xc30 net/ipv6/ip6_input.c:587 NF_HOOK+0x3a4/0x450 include/linux/netfilter.h:314 __netif_receive_skb_one_core net/core/dev.c:5666 [inline] __netif_receive_skb+0x1ea/0x650 net/core/dev.c:5779 process_backlog+0x662/0x15b0 net/core/dev.c:6111 __napi_poll+0xcb/0x490 net/core/dev.c:6775 napi_poll net/core/dev.c:6844 [inline] net_rx_action+0x89b/0x1240 net/core/dev.c:6966 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:1037 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1037 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:160 [inline] RIP: 0010:_raw_spin_unlock_irq+0x29/0x50 kernel/locking/spinlock.c:202 Code: 90 f3 0f 1e fa 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 8a 5e a1 f5 48 89 df e8 a2 a4 a2 f5 e8 1d 93 cd f5 fb bf 01 00 00 00 72 1f 94 f5 65 8b 05 63 c3 34 74 85 c0 74 06 5b c3 cc cc cc cc RSP: 0018:ffffc9000480f930 EFLAGS: 00000286 RAX: be89fafec5b12500 RBX: ffff88802bd31bc0 RCX: ffffffff9a3cc903 RDX: dffffc0000000000 RSI: ffffffff8c0acac0 RDI: 0000000000000001 RBP: ffffc9000480fab0 R08: ffffffff901ce46f R09: 1ffffffff2039c8d R10: dffffc0000000000 R11: fffffbfff2039c8e R12: 1ffff92000901f30 R13: ffff888028b8c390 R14: dffffc0000000000 R15: 0000000000000000 spin_unlock_irq include/linux/spinlock.h:401 [inline] acct_collect+0x65a/0x840 kernel/acct.c:589 do_exit+0x72d/0x28e0 kernel/exit.c:918 do_group_exit+0x207/0x2c0 kernel/exit.c:1088 get_signal+0x16a3/0x1740 kernel/signal.c:2917 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop kernel/entry/common.c:111 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0xc9/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f9f1957dff9 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:00007f9f1a2b50e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007f9f19735f88 RCX: 00007f9f1957dff9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f9f19735f88 RBP: 00007f9f19735f80 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9f19735f8c R13: 0000000000000000 R14: 00007ffd88bf4150 R15: 00007ffd88bf4238