watchdog: BUG: soft lockup - CPU#0 stuck for 246s! [syz.9.359:2285]
Modules linked in:
CPU: 0 PID: 2285 Comm: syz.9.359 Not tainted 5.15.173-syzkaller-00161-gb4bd207b0380 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:dst_metrics_write_ptr include/net/dst.h:118 [inline]
RIP: 0010:dst_metric_set include/net/dst.h:179 [inline]
RIP: 0010:icmp6_dst_alloc+0x365/0x560 net/ipv6/route.c:3288
Code: 01 00 00 e8 0d 53 17 fd 4d 8d 74 24 08 4c 89 f0 48 c1 e8 03 42 80 3c 38 00 74 08 4c 89 f7 e8 22 ab 59 fd 4d 8b 36 49 83 c6 28 <4c> 89 f0 48 c1 e8 03 42 80 3c 38 00 74 08 4c 89 f7 e8 05 ab 59 fd
RSP: 0018:ffffc90000007998 EFLAGS: 00000282
RAX: 1ffff11024eecaa1 RBX: ffffffff85d30781 RCX: ffff888111fabb40
RDX: 0000000000000100 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90000007a10 R08: ffffffff8459132c R09: ffffed1024eecab2
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888127765500
R13: ffff888127765500 R14: ffff8881307ea5a8 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000001464e9000 CR4: 00000000003506b0
DR0: 0000000020000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 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
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
 sysvec_apic_timer_interrupt+0xa9/0xc0 arch/x86/kernel/apic/apic.c:1108
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:__schedule+0x0/0x1590 kernel/sched/core.c:6390
Code: 4c 89 25 d3 5f 1d 02 eb 05 e8 1c a5 8a fc 48 c7 c7 80 f4 57 87 e8 e0 df 01 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc <55> 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48 81 ec c0 00
RSP: 0018:ffffc90000e47078 EFLAGS: 00000246
RAX: 1ffff110223f58be RBX: 1ffff920001c8e14 RCX: ffffffff84e7b000
RDX: 1ffffffff0e9a400 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffc90000e47118 R08: ffffffff874d2000 R09: ffffffff874d2008
R10: ffffffff874d2018 R11: ffffffff874d2010 R12: ffffc90000e470a0
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff920001c8e10
 irqentry_exit_cond_resched+0x2a/0x30 kernel/entry/common.c:398
 irqentry_exit+0x30/0x40 kernel/entry/common.c:432
 sysvec_apic_timer_interrupt+0x64/0xc0 arch/x86/kernel/apic/apic.c:1108
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:on_stack arch/x86/include/asm/stacktrace.h:56 [inline]
RIP: 0010:update_stack_state+0x186/0x460 arch/x86/kernel/unwind_frame.c:218
Code: ff 85 c0 0f 85 22 01 00 00 48 8b 85 48 ff ff ff 42 80 3c 30 00 74 08 4c 89 e7 e8 05 a8 7d 00 4d 8b 24 24 48 8b 85 50 ff ff ff <42> 80 3c 30 00 74 0c 48 8b bd 70 ff ff ff e8 e7 a7 7d 00 4d 8b 6f
RSP: 0018:ffffc90000e47218 EFLAGS: 00000246
RAX: 1ffff920001c8e6e RBX: ffffc90000e47388 RCX: ffffc90000e47360
RDX: 1ffff920001c8e6e RSI: ffffc90000e47350 RDI: ffffc90000e473b8
RBP: ffffc90000e472d0 R08: dffffc0000000001 R09: ffffc90000e47360
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc90000e40000
R13: ffff888111fabb40 R14: dffffc0000000000 R15: ffffc90000e47360
 __unwind_start+0x1f4/0x3a0 arch/x86/kernel/unwind_frame.c:397
 unwind_start arch/x86/include/asm/unwind.h:60 [inline]
 arch_stack_walk+0xdb/0x140 arch/x86/kernel/stacktrace.c:24
 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: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:2907
 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
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x26/0x160 kernel/entry/common.c:307
 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fa8068cbd29
Code: Unable to access opcode bytes at RIP 0x7fa8068cbcff.
RSP: 002b:00007fa804f3d0e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000000 RBX: 00007fa806abbfa8 RCX: 00007fa8068cbd29
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fa806abbfa8
RBP: 00007fa806abbfa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa806abbfac
R13: 0000000000000000 R14: 00007ffcf361b410 R15: 00007ffcf361b4f8
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 3181 Comm: syz.8.480 Not tainted 5.15.173-syzkaller-00161-gb4bd207b0380 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:__perf_event_account_interrupt+0x25a/0x2c0 kernel/events/core.c:9298
Code: ac 97 1f 00 48 8b 7d d0 48 8b 97 f0 01 00 00 4c 89 ee b9 01 00 00 00 e8 54 56 01 00 eb 05 e8 5d 3f dd ff 44 89 f0 48 83 c4 10 <5b> 41 5c 41 5d 41 5e 41 5f 5d c3 e8 46 3f dd ff 48 c7 c7 20 5b 89
RSP: 0018:ffffc900001cfab0 EFLAGS: 00000082
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff888116528000
RDX: 0000000000010100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900001cfad8 R08: ffffffff81932685 R09: ffffed1025038ab4
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: ffff8881281c5448 R14: 0000000000000000 R15: 0000000000000000
FS:  00007ff2ab7bc6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b33318ff8 CR3: 000000012422b000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 __perf_event_overflow+0x9e/0x390 kernel/events/core.c:9324
 perf_swevent_hrtimer+0x3fd/0x560 kernel/events/core.c:10736
 __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:1097 [inline]
 __sysvec_apic_timer_interrupt+0xfb/0x3f0 arch/x86/kernel/apic/apic.c:1114
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
 sysvec_apic_timer_interrupt+0x53/0xc0 arch/x86/kernel/apic/apic.c:1108
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:kasan_save_stack+0x2f/0x60 mm/kasan/common.c:38
Code: 57 41 56 53 48 83 e4 f0 48 81 ec 10 02 00 00 41 89 f6 41 89 ff 48 89 e3 ba 00 02 00 00 48 89 df 31 f6 e8 04 30 00 00 48 89 df <be> 40 00 00 00 31 d2 e8 a5 f3 ac ff 48 89 df 89 c6 44 89 fa 44 89
RSP: 0018:ffffc900001d00f0 EFLAGS: 00000202
RAX: ffffc900001d00f0 RBX: ffffc900001d00f0 RCX: 0000000000000000
RDX: 0000000000000200 RSI: 0000000000000000 RDI: ffffc900001d00f0
RBP: ffffc900001d0318 R08: dffffc0000000000 R09: ffffc900001d00f0
R10: 0000000000000006 R11: dffffc0000000001 R12: ffff888131429800
R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000800
 __kasan_record_aux_stack+0xd3/0xf0 mm/kasan/generic.c:348
 kasan_record_aux_stack_noalloc+0xb/0x10 mm/kasan/generic.c:358
 kvfree_call_rcu+0xb1/0x8b0 kernel/rcu/tree.c:3644
 neigh_destroy+0x411/0x540 net/core/neighbour.c:860
 neigh_release include/net/neighbour.h:427 [inline]
 neigh_cleanup_and_release+0x73/0x1b0 net/core/neighbour.c:103
 neigh_del net/core/neighbour.c:197 [inline]
 neigh_remove_one+0x3a6/0x430 net/core/neighbour.c:218
 neigh_forced_gc net/core/neighbour.c:251 [inline]
 neigh_alloc net/core/neighbour.c:429 [inline]
 ___neigh_create+0x474/0x1bd0 net/core/neighbour.c:591
 __neigh_create+0x32/0x40 net/core/neighbour.c:679
 ip6_finish_output2+0x9ee/0x16f0 net/ipv6/ip6_output.c:127
 __ip6_finish_output+0x60f/0x7c0 net/ipv6/ip6_output.c:201
 ip6_finish_output+0x31/0x210 net/ipv6/ip6_output.c:211
 NF_HOOK_COND include/linux/netfilter.h:294 [inline]
 ip6_output+0x1f7/0x4c0 net/ipv6/ip6_output.c:234
 dst_output include/net/dst.h:444 [inline]
 NF_HOOK include/linux/netfilter.h:305 [inline]
 ndisc_send_skb+0x73e/0xc90 net/ipv6/ndisc.c:511
 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
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
 sysvec_apic_timer_interrupt+0xa9/0xc0 arch/x86/kernel/apic/apic.c:1108
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:preempt_schedule_irq+0xc2/0x140 kernel/sched/core.c:6916
Code: 4c 89 e7 e8 40 e1 cc 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 e4 8c 66 fc fb bf 01 00 00 00 <e8> e9 e3 ff ff fa bf 01 00 00 00 e8 6e 8e 66 fc 65 48 8b 1d a6 8f
RSP: 0018:ffffc90000e57500 EFLAGS: 00000246
RAX: 1ffff11022ca5156 RBX: 1ffff920001caea4 RCX: ffffffff84e7b000
RDX: 1ffffffff0e9a408 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffc90000e57598 R08: ffffffff874d2040 R09: ffffffff874d2048
R10: ffffffff874d2058 R11: ffffffff874d2050 R12: ffffc90000e57520
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff920001caea0
 irqentry_exit_cond_resched+0x2a/0x30 kernel/entry/common.c:398
 irqentry_exit+0x30/0x40 kernel/entry/common.c:432
 sysvec_apic_timer_interrupt+0x64/0xc0 arch/x86/kernel/apic/apic.c:1108
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:__sanitizer_cov_trace_pc+0x45/0x60 kernel/kcov.c:211
Code: ff 00 74 11 81 fa 00 01 00 00 75 35 83 b9 5c 0b 00 00 00 74 2c 8b 91 38 0b 00 00 83 fa 02 75 21 48 8b 91 40 0b 00 00 48 8b 32 <48> 8d 7e 01 8b 89 3c 0b 00 00 48 39 cf 73 08 48 89 44 f2 08 48 89
RSP: 0018:ffffc90000e57690 EFLAGS: 00000246
RAX: ffffffff8164f6b6 RBX: 0000000000000000 RCX: ffff888116528000
RDX: ffffc90003ee1000 RSI: 0000000000000005 RDI: 0000000000000001
RBP: ffffc90000e57690 R08: ffffffff816569ab R09: 0000000000000003
R10: fffffbfff0e9fd44 R11: dffffc0000000001 R12: ffff888116528000
R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000048
 unqueue_me kernel/futex/core.c:2555 [inline]
 futex_wait+0x4c6/0x9a0 kernel/futex/core.c:2979
 do_futex+0x1367/0x37f0 kernel/futex/core.c:3995
 __do_sys_futex kernel/futex/core.c:4072 [inline]
 __se_sys_futex+0x37b/0x3e0 kernel/futex/core.c:4053
 __x64_sys_futex+0xe5/0x100 kernel/futex/core.c:4053
 x64_sys_call+0x561/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:203
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7ff2ad14ad29
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:00007ff2ab7bc0e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007ff2ad33afa8 RCX: 00007ff2ad14ad29
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007ff2ad33afa8
RBP: 00007ff2ad33afa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff2ad33afac
R13: 0000000000000000 R14: 00007ffc2fea10b0 R15: 00007ffc2fea1198
 </TASK>