RBP: 00007fc5ec83075e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fc5ec974f80 R15: 00007ffd311b8288 watchdog: BUG: soft lockup - CPU#1 stuck for 224s! [syz.1.17:386] Modules linked in: CPU: 1 PID: 386 Comm: syz.1.17 Not tainted 5.15.167-syzkaller-00002-g3bfe08931bff #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:__kernel_text_address+0xd4/0x110 kernel/extable.c:118 Code: be 01 00 00 00 45 85 ff 75 20 48 c7 c0 00 c0 30 87 48 39 c3 0f 93 c0 48 c7 c1 19 3f 3f 87 48 39 cb 0f 92 c1 20 c1 44 0f b6 f1 <44> 89 f0 5b 41 5e 41 5f 5d c3 48 c7 c1 40 6d 29 87 80 e1 07 80 c1 RSP: 0018:ffffc900001d04f0 EFLAGS: 00000293 RAX: ffffffff85204fbe RBX: ffffffff8160a04a RCX: 00000000001d0501 RDX: 1ffff9200003a0aa RSI: ffffc900001d0d90 RDI: ffffffff8160a04a RBP: ffffc900001d0508 R08: ffffc900001d0628 R09: 0000000000000008 R10: ffffc900001d0630 R11: dffffc0000000001 R12: ffff888111f73b40 R13: ffffffff815f77f0 R14: 0000000000000001 R15: 1ffff9200003a0b1 FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000100000000 CR3: 000000013c6f3000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: unwind_get_return_address+0x4d/0x90 arch/x86/kernel/unwind_frame.c:19 arch_stack_walk+0xf3/0x140 arch/x86/kernel/stacktrace.c:26 stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track mm/kasan/common.c:45 [inline] set_alloc_info mm/kasan/common.c:433 [inline] ____kasan_kmalloc+0xdb/0x110 mm/kasan/common.c:512 __kasan_kmalloc+0x9/0x10 mm/kasan/common.c:521 kasan_kmalloc include/linux/kasan.h:227 [inline] kmem_cache_alloc_trace+0x115/0x210 mm/slub.c:3267 kmalloc include/linux/slab.h:603 [inline] dst_cow_metrics_generic+0x55/0x1c0 net/core/dst.c:199 dst_metrics_write_ptr include/net/dst.h:118 [inline] dst_metric_set include/net/dst.h:179 [inline] icmp6_dst_alloc+0x385/0x560 net/ipv6/route.c:3288 ndisc_send_skb+0x27f/0xc90 net/ipv6/ndisc.c:491 ndisc_send_rs+0x532/0x6a0 net/ipv6/ndisc.c:705 addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3979 call_timer_fn+0x3b/0x2d0 kernel/time/timer.c:1457 expire_timers kernel/time/timer.c:1502 [inline] __run_timers+0x72a/0xa10 kernel/time/timer.c:1773 run_timer_softirq+0x69/0xf0 kernel/time/timer.c:1786 handle_softirqs+0x25e/0x5c0 kernel/softirq.c:565 __do_softirq kernel/softirq.c:603 [inline] invoke_softirq kernel/softirq.c:425 [inline] __irq_exit_rcu+0x52/0xf0 kernel/softirq.c:652 irq_exit_rcu+0x9/0x10 kernel/softirq.c:664 sysvec_apic_timer_interrupt+0x9a/0xc0 arch/x86/kernel/apic/apic.c:1096 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:__schedule+0xd07/0x1590 kernel/sched/core.c:6520 Code: 60 0e 36 e0 45 49 c7 44 05 00 00 00 00 00 65 48 8b 04 25 28 00 00 00 48 3b 84 24 a0 00 00 00 0f 85 ab 05 00 00 48 8d 65 d8 5b <41> 5c 41 5d 41 5e 41 5f 5d c3 4c 89 f7 e8 a7 2c 69 fc 65 8b 0d 88 RSP: 0018:ffffc90000b47590 EFLAGS: 00000246 RAX: 1081aaa92c5bf500 RBX: ffff888111f73b40 RCX: 0000000000000002 RDX: 0000000040000000 RSI: 0000000000000000 RDI: 0000000000000001 RBP: ffffc90000b475b0 R08: ffffffff8191f919 R09: fffffbfff0e533a3 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881f7038388 R13: dffffc0000000000 R14: ffff888111f73b40 R15: 1ffff110223ee80d preempt_schedule_irq+0xc7/0x140 kernel/sched/core.c:6916 irqentry_exit_cond_resched+0x2a/0x30 kernel/entry/common.c:398 irqentry_exit+0x30/0x40 kernel/entry/common.c:432 sysvec_apic_timer_interrupt+0x55/0xc0 arch/x86/kernel/apic/apic.c:1096 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:pte_none arch/x86/include/asm/pgtable.h:727 [inline] RIP: 0010:vunmap_pte_range mm/vmalloc.c:339 [inline] RIP: 0010:vunmap_pmd_range mm/vmalloc.c:363 [inline] RIP: 0010:vunmap_pud_range mm/vmalloc.c:388 [inline] RIP: 0010:vunmap_p4d_range mm/vmalloc.c:411 [inline] RIP: 0010:vunmap_range_noflush+0x420/0x550 mm/vmalloc.c:442 Code: 8b 8d 78 ff ff ff 48 39 c8 48 0f 43 c1 48 f7 d8 4c 8d b4 02 ff 0f 00 00 4c 89 ff be 08 00 00 00 e8 d5 ca 06 00 31 db 49 87 1f <48> 89 de 48 83 e6 9f 31 ff e8 62 74 c4 ff 41 89 dd 41 81 e5 01 01 RSP: 0018:ffffc90000b47750 EFLAGS: 00000246 RAX: ffffffff81abe701 RBX: 8000000123a8d163 RCX: ffffffff81abe74b RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffff888123d46438 RBP: ffffc90000b477e0 R08: dffffc0000000000 R09: ffffed10247a8c88 R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc90005400000 R13: 0000000000000101 R14: ffffffffffe88000 R15: ffff888123d46438 free_unmap_vmap_area mm/vmalloc.c:1785 [inline] remove_vm_area+0x1d1/0x200 mm/vmalloc.c:2544 vm_remove_mappings mm/vmalloc.c:2573 [inline] __vunmap+0x24b/0x8f0 mm/vmalloc.c:2642 __vfree mm/vmalloc.c:2700 [inline] vfree+0x7f/0xb0 mm/vmalloc.c:2731 kcov_put kernel/kcov.c:417 [inline] kcov_close+0x2b/0x50 kernel/kcov.c:519 __fput+0x228/0x8c0 fs/file_table.c:280 ____fput+0x15/0x20 fs/file_table.c:308 task_work_run+0x129/0x190 kernel/task_work.c:188 exit_task_work include/linux/task_work.h:33 [inline] do_exit+0xc48/0x2ca0 kernel/exit.c:880 do_group_exit+0x141/0x310 kernel/exit.c:1002 get_signal+0x7a3/0x1630 kernel/signal.c:2904 arch_do_signal_or_restart+0xbd/0x1680 arch/x86/kernel/signal.c:867 handle_signal_work kernel/entry/common.c:154 [inline] exit_to_user_mode_loop+0xa0/0xe0 kernel/entry/common.c:178 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:214 irqentry_exit_to_user_mode+0x9/0x10 kernel/entry/common.c:320 irqentry_exit+0x12/0x40 kernel/entry/common.c:411 sysvec_irq_work+0x52/0xb0 arch/x86/kernel/irq_work.c:17 asm_sysvec_irq_work+0x1b/0x20 arch/x86/include/asm/idtentry.h:664 RIP: 0033:0x7fc5ec7bd719 Code: Unable to access opcode bytes at RIP 0x7fc5ec7bd6ef. RSP: 002b:00007fc5eb436038 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 00007fc5ec974f80 RCX: 00007fc5ec7bd719 RDX: 0000000020000500 RSI: 0000000000005452 RDI: 0000000000000003 RBP: 00007fc5ec83075e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fc5ec974f80 R15: 00007ffd311b8288 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 1379 Comm: syz.7.119 Not tainted 5.15.167-syzkaller-00002-g3bfe08931bff #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:__perf_event_header__init_id+0x2bd/0x590 kernel/events/core.c:6964 Code: 48 c1 e8 03 0f b6 04 08 84 c0 0f 85 8b 02 00 00 41 89 1f 4c 89 f6 48 83 e6 04 31 ff e8 5c 19 de ff 4c 89 f0 48 83 e0 04 75 07 0e 15 de ff eb 57 e8 07 15 de ff 49 8d 9d b8 03 00 00 48 89 d8 RSP: 0000:ffffc900000071b0 EFLAGS: 00000046 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff888100ba4f00 RDX: 0000000000010100 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc900000071f0 R08: ffffffff81924264 R09: ffffc90000007340 R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc90000007500 R13: ffff888125cc96d0 R14: 0000000000000000 R15: ffffc900000073a6 FS: 00007f0d443776c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000100000000 CR3: 00000001219fa000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: perf_prepare_sample+0x16d/0x1a80 kernel/events/core.c:7470 __perf_event_output kernel/events/core.c:7648 [inline] perf_event_output_forward+0xdb/0x1b0 kernel/events/core.c:7668 __perf_event_overflow+0x20b/0x390 kernel/events/core.c:9336 perf_swevent_hrtimer+0x3fd/0x560 kernel/events/core.c:10732 __run_hrtimer kernel/time/hrtimer.c:1687 [inline] __hrtimer_run_queues+0x41a/0xad0 kernel/time/hrtimer.c:1751 hrtimer_interrupt+0x40c/0xaa0 kernel/time/hrtimer.c:1813 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:ndisc_send_skb+0x816/0xc90 net/ipv6/ndisc.c:516 Code: f0 48 c1 e8 03 42 80 3c 38 00 74 08 4c 89 f7 e8 f0 7f 56 fd 49 8b 1e 48 8d 7b 18 be 08 00 00 00 e8 df 81 56 fd f0 48 ff 43 18 <49> 81 c4 d8 01 00 00 4c 89 e0 48 c1 e8 03 42 80 3c 38 00 74 08 4c RSP: 0000:ffffc90000007a20 EFLAGS: 00000202 RAX: 1ffff11022361c01 RBX: ffff88811b395100 RCX: ffffffff845c3041 RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffff88811b395118 RBP: ffffc90000007bf8 R08: dffffc0000000000 R09: ffffed1023672a24 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888133a6e000 R13: ffff88810afce000 R14: ffff888111b0e4d0 R15: dffffc0000000000 ndisc_send_rs+0x532/0x6a0 net/ipv6/ndisc.c:705 addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3979 call_timer_fn+0x3b/0x2d0 kernel/time/timer.c:1457 expire_timers kernel/time/timer.c:1502 [inline] __run_timers+0x72a/0xa10 kernel/time/timer.c:1773 run_timer_softirq+0x69/0xf0 kernel/time/timer.c:1786 handle_softirqs+0x25e/0x5c0 kernel/softirq.c:565 __do_softirq kernel/softirq.c:603 [inline] invoke_softirq kernel/softirq.c:425 [inline] __irq_exit_rcu+0x52/0xf0 kernel/softirq.c:652 irq_exit_rcu+0x9/0x10 kernel/softirq.c:664 sysvec_apic_timer_interrupt+0x9a/0xc0 arch/x86/kernel/apic/apic.c:1096 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:__schedule+0x75/0x1590 kernel/sched/core.c:6394 Code: 68 85 86 18 86 48 c7 44 24 70 e0 30 e5 84 48 8d 4c 24 60 48 c1 e9 03 48 b8 f1 f1 f1 f1 00 f3 f3 f3 48 89 4c 24 50 4a 89 04 29 <48> 89 f8 48 c1 e8 03 42 80 3c 28 00 74 05 e8 58 7f cd fc 48 c7 84 RSP: 0000:ffffc90001157c40 EFLAGS: 00000a02 RAX: f3f3f300f1f1f1f1 RBX: 1ffff9200022afac RCX: 1ffff9200022af94 RDX: 1ffffffff0e99e00 RSI: 0000000000000000 RDI: ffffc90001157cc0 RBP: ffffc90001157d30 R08: ffffffff874cf000 R09: ffffffff874cf008 R10: ffffffff874cf018 R11: ffffffff874cf010 R12: 0000000000000001 R13: dffffc0000000000 R14: dffffc0000000000 R15: 1ffff9200022afa8 preempt_schedule_irq+0xc7/0x140 kernel/sched/core.c:6916 irqentry_exit_cond_resched+0x2a/0x30 kernel/entry/common.c:398 irqentry_exit+0x30/0x40 kernel/entry/common.c:432 sysvec_irq_work+0x52/0xb0 arch/x86/kernel/irq_work.c:17 asm_sysvec_irq_work+0x1b/0x20 arch/x86/include/asm/idtentry.h:664 RIP: 0010:exit_to_user_mode_loop+0x46/0xe0 kernel/entry/common.c:168 Code: f0 f8 56 00 e8 4b ca f7 00 fa e8 25 bf 81 03 65 48 8b 05 9d 3d a3 7e 48 8b 18 f7 c3 0e 30 02 00 0f 84 87 00 00 00 fb f6 c3 08 <74> 05 e8 73 16 86 03 f7 c3 00 10 00 00 74 08 4c 89 f7 e8 f3 db 37 RSP: 0000:ffffc90001157ed0 EFLAGS: 00000202 RAX: 0000000000000000 RBX: 0000000000000008 RCX: 0000000000010000 RDX: 1ffffffff0e99e00 RSI: 0000000000000008 RDI: ffffc90001157f58 RBP: ffffc90001157ee0 R08: ffffffff874cf000 R09: ffffffff874cf008 R10: ffffffff874cf018 R11: ffffffff874cf010 R12: 0000000000000000 R13: 0000000000000000 R14: ffffc90001157f58 R15: ffff888100ba4f00 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:214 irqentry_exit_to_user_mode+0x9/0x10 kernel/entry/common.c:320 irqentry_exit+0x12/0x40 kernel/entry/common.c:411 sysvec_apic_timer_interrupt+0x55/0xc0 arch/x86/kernel/apic/apic.c:1096 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0033:0x7f0d456fe719 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:00007f0d443770e8 EFLAGS: 00000246 RAX: 0000000000000001 RBX: 00007f0d458b5f88 RCX: 00007f0d456fe719 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f0d458b5f8c RBP: 00007f0d458b5f80 R08: 00007ffea91ac0b0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0d458b5f8c R13: 0000000000000000 R14: 00007ffea9123950 R15: 00007ffea9123a38