RBP: 00007ff7a94f8b76 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007ff7a963df80 R15: 00007fff84625208
 </TASK>
watchdog: BUG: soft lockup - CPU#0 stuck for 225s! [syz.3.716:3952]
Modules linked in:
CPU: 0 PID: 3952 Comm: syz.3.716 Not tainted 5.15.161-syzkaller-00425-gb92c0d35d015 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:unwind_next_frame+0x5a5/0x700 arch/x86/kernel/unwind_frame.c:360
Code: 74 5f 4c 89 f7 e8 eb 05 00 00 48 ba 00 00 00 00 00 fc ff df 41 0f b6 04 17 84 c0 0f 85 b6 00 00 00 41 c7 06 00 00 00 00 31 c0 <48> 83 c4 50 5b 41 5c 41 5d 41 5e 41 5f 5d c3 44 89 f1 80 e1 07 80
RSP: 0018:ffffc90000007678 EFLAGS: 00000202
RAX: 0000000000007701 RBX: ffffc90000ad78e8 RCX: 0000000000007701
RDX: 1ffff92000000ee2 RSI: ffffc90000ad7988 RDI: ffffc90000007758
RBP: ffffc900000076f0 R08: ffffc900000077e8 R09: 0000000000000020
R10: ffffc900000077f0 R11: dffffc0000000001 R12: 0000000000000000
R13: ffffc90000007750 R14: ffffc90000007700 R15: 1ffff92000000ee0
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f666475e000 CR3: 0000000006a0f000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 arch_stack_walk+0x10d/0x140 arch/x86/kernel/stacktrace.c:25
 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_slab_alloc+0xb1/0xe0 mm/kasan/common.c:466
 kasan_slab_alloc include/linux/kasan.h:217 [inline]
 slab_post_alloc_hook+0x53/0x2c0 mm/slab.h:550
 slab_alloc_node mm/slub.c:3240 [inline]
 slab_alloc mm/slub.c:3248 [inline]
 kmem_cache_alloc+0xf5/0x200 mm/slub.c:3253
 kmem_cache_alloc_node include/linux/slab.h:474 [inline]
 __alloc_skb+0xbe/0x550 net/core/skbuff.c:416
 alloc_skb include/linux/skbuff.h:1183 [inline]
 ndisc_alloc_skb+0xf3/0x2d0 net/ipv6/ndisc.c:421
 ndisc_send_rs+0x26c/0x6a0 net/ipv6/ndisc.c:687
 addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3978
 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
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:finish_task_switch+0x16f/0x7b0 kernel/sched/core.c:5024
Code: 74 08 4c 89 ff e8 91 70 65 00 49 8b 1f 48 85 db 4c 8b 6d c0 0f 85 ce 00 00 00 4c 89 e7 e8 89 c9 98 03 fb 49 8d 9d 38 0b 00 00 <48> 89 d8 48 c1 e8 03 49 be 00 00 00 00 00 fc ff df 42 0f b6 04 30
RSP: 0018:ffffc90000ad7060 EFLAGS: 00000282
RAX: 0000000080000001 RBX: ffff88810c534678 RCX: 0000000000000002
RDX: 0000000040000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffc90000ad70b0 R08: ffffffff8191fd19 R09: fffffbfff0e52e93
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881f70378c0
R13: ffff88810c533b40 R14: 1ffff1103ee07081 R15: ffff8881f7038408
 context_switch kernel/sched/core.c:5155 [inline]
 __schedule+0xcd4/0x1590 kernel/sched/core.c:6512
 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:stack_trace_consume_entry+0x0/0x290 kernel/stacktrace.c:83
Code: ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 7b ff ff ff 48 89 df e8 10 2c 53 00 e9 6e ff ff ff e8 a6 5b 80 03 66 0f 1f 44 00 00 <55> 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 ec 20 48 89 fb 48 ba
RSP: 0018:ffffc90000ad7358 EFLAGS: 00000282
RAX: ffffffff8149a929 RBX: ffffc90000ad7360 RCX: 0000000000ad7301
RDX: 1ffff9200015ae6e RSI: ffffffff8149a929 RDI: ffffc90000ad7440
RBP: ffffc90000ad73f0 R08: ffffc90000ad7448 R09: 0000000000000007
R10: ffffc90000ad7450 R11: dffffc0000000001 R12: ffff88810c533b40
R13: ffffffff815f7ae0 R14: ffffc90000ad7440 R15: 0000000000000000
 stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122
 save_stack+0xf6/0x1e0 mm/page_owner.c:139
 __reset_page_owner+0x36/0x190 mm/page_owner.c:156
 reset_page_owner include/linux/page_owner.h:26 [inline]
 free_pages_prepare mm/page_alloc.c:1472 [inline]
 free_pcp_prepare mm/page_alloc.c:1544 [inline]
 free_unref_page_prepare+0x7c8/0x7d0 mm/page_alloc.c:3534
 free_unref_page+0xe8/0x750 mm/page_alloc.c:3616
 free_the_page mm/page_alloc.c:805 [inline]
 __free_pages+0x61/0xf0 mm/page_alloc.c:5855
 __vunmap+0x7bc/0x8f0 mm/vmalloc.c:2652
 __vfree mm/vmalloc.c:2700 [inline]
 vfree+0x7f/0xb0 mm/vmalloc.c:2731
 kcov_put kernel/kcov.c:408 [inline]
 kcov_close+0x2b/0x50 kernel/kcov.c:510
 __fput+0x3fe/0x910 fs/file_table.c:280
 ____fput+0x15/0x20 fs/file_table.c:308
 task_work_run+0x129/0x190 kernel/task_work.c:164
 exit_task_work include/linux/task_work.h:32 [inline]
 do_exit+0xc48/0x2ca0 kernel/exit.c:878
 do_group_exit+0x141/0x310 kernel/exit.c:1000
 get_signal+0x7a3/0x1630 kernel/signal.c:2896
 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_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: 0033:0x7ff7a9485ef9
Code: Unable to access opcode bytes at RIP 0x7ff7a9485ecf.
RSP: 002b:00007ff7a80ff038 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 00007ff7a963df80 RCX: 00007ff7a9485ef9
RDX: 00000000200006c0 RSI: 0000000000005452 RDI: 0000000000000006
RBP: 00007ff7a94f8b76 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007ff7a963df80 R15: 00007fff84625208
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 4427 Comm: syz.3.787 Not tainted 5.15.161-syzkaller-00425-gb92c0d35d015 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:native_apic_msr_eoi_write+0xf/0x20 arch/x86/include/asm/apic.h:214
Code: bf f0 03 00 00 44 89 f6 ff 13 5b 41 5e 41 5f 5d c3 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 b9 0b 08 00 00 31 c0 31 d2 0f 30 <5d> c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 89 e5 81
RSP: 0018:ffffc900001d0798 EFLAGS: 00000046
RAX: 0000000000000000 RBX: ffffffff8625d9c8 RCX: 000000000000080b
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000b0
RBP: ffffc900001d0798 R08: ffffffff874cc040 R09: ffffffff874cc048
R10: ffffffff874cc058 R11: ffffffff874cc050 R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
FS:  00007f2cfdd846c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000001057fb000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 apic_eoi arch/x86/include/asm/apic.h:400 [inline]
 ack_APIC_irq arch/x86/include/asm/apic.h:446 [inline]
 __sysvec_irq_work+0x55/0x1b0 arch/x86/kernel/irq_work.c:19
 sysvec_irq_work+0x41/0xb0 arch/x86/kernel/irq_work.c:17
 asm_sysvec_irq_work+0x1b/0x20 arch/x86/include/asm/idtentry.h:664
RIP: 0010:__should_failslab+0x81/0xe0 mm/failslab.c:33
Code: 00 75 23 80 3d e8 59 12 05 00 74 1e 49 8d 5e 08 48 89 d8 48 c1 e8 03 42 0f b6 04 38 84 c0 75 4b f6 43 03 02 75 04 31 c0 eb 23 <49> 83 c6 1c 4c 89 f0 48 c1 e8 03 42 0f b6 04 38 84 c0 75 16 41 8b
RSP: 0018:ffffc900001d0890 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000a20 RCX: 0000000000000a20
RDX: 0000000000000001 RSI: 0000000000000a20 RDI: ffff888100042900
RBP: ffffc900001d08a8 R08: ffffffff8457978c R09: ffffed1025bcecda
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: ffff88812de76640 R14: ffff888100042900 R15: dffffc0000000000
 should_failslab+0x9/0x20 mm/slab_common.c:1351
 slab_pre_alloc_hook+0x37/0xd0 mm/slab.h:525
 slab_alloc_node mm/slub.c:3154 [inline]
 slab_alloc mm/slub.c:3248 [inline]
 kmem_cache_alloc_trace+0x48/0x210 mm/slub.c:3265
 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:3285
 ndisc_send_skb+0x27f/0xc90 net/ipv6/ndisc.c:489
 ndisc_send_rs+0x532/0x6a0 net/ipv6/ndisc.c:703
 addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3978
 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
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:preempt_schedule_irq+0xc2/0x140 kernel/sched/core.c:6916
Code: 4c 89 e7 e8 c0 6a ce fc f6 44 24 21 02 74 0b 0f 0b 48 f7 03 08 00 00 00 74 4d bf 01 00 00 00 e8 f4 18 68 fc fb bf 01 00 00 00 <e8> e9 e3 ff ff fa bf 01 00 00 00 e8 7e 1a 68 fc 65 48 8b 1d 06 31
RSP: 0018:ffffc9000109f880 EFLAGS: 00000246
RAX: 1ffff1102352edae RBX: 1ffff92000213f14 RCX: ffffffff84e60e00
RDX: 1ffffffff0e99808 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffc9000109f908 R08: ffffffff874cc040 R09: ffffffff874cc048
R10: ffffffff874cc058 R11: ffffffff874cc050 R12: ffffc9000109f8a0
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000213f10
 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:arch_atomic_dec_and_test arch/x86/include/asm/atomic.h:123 [inline]
RIP: 0010:atomic_dec_and_test include/linux/atomic/atomic-instrumented.h:543 [inline]
RIP: 0010:do_exit+0x358/0x2ca0 kernel/exit.c:840
Code: 00 48 8b 7c 24 40 4c 8b 37 49 8d 7e 04 be 04 00 00 00 e8 9b 40 70 00 31 db f0 41 ff 4e 04 41 0f 94 c6 0f 94 c3 bf 02 00 00 00 <89> de e8 11 fa 2d 00 31 ff 89 5c 24 64 89 de e8 04 fa 2d 00 45 84
RSP: 0018:ffffc9000109fa00 EFLAGS: 00000202
RAX: dffffc0000000001 RBX: 0000000000000000 RCX: ffffffff81426865
RDX: 0000000000000001 RSI: 0000000000000004 RDI: 0000000000000002
RBP: ffffc9000109fb60 R08: dffffc0000000000 R09: ffffed10258c41e1
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88811a9767e0
R13: 0000000000000b00 R14: ffff88812c620f00 R15: 0000000000000000
 do_group_exit+0x141/0x310 kernel/exit.c:1000
 get_signal+0x7a3/0x1630 kernel/signal.c:2896
 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_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: 0033:0x7f2cff10aef9
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:00007f2cfdd84038 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 00007f2cff2c2f80 RCX: 00007f2cff10aef9
RDX: 00000000200006c0 RSI: 0000000000005452 RDI: 0000000000000005
RBP: 00007f2cff17db76 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f2cff2c2f80 R15: 00007ffcdbe2e658
 </TASK>