syzbot

watchdog: BUG: soft lockup - CPU#1 stuck for 140s! [syz.1.339:2879]
Modules linked in:
CPU: 1 PID: 2879 Comm: syz.1.339 Not tainted 5.15.168-syzkaller-00719-g101e665d55a8 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:ipv6_addr_equal include/net/ipv6.h:583 [inline]
RIP: 0010:ipv6_chk_mcast_addr+0xdf/0x390 net/ipv6/mcast.c:1025
Code: 67 3b 53 fd 49 8b 1c 24 48 89 5d c0 4c 8b 7d d0 4c 89 e8 48 c1 e8 03 42 80 3c 30 00 74 08 4c 89 ef e8 45 3b 53 fd 4d 8b 65 00 <49> 8d 5d 08 48 89 d8 48 c1 e8 03 42 80 3c 30 00 74 08 48 89 df e8
RSP: 0018:ffffc900001d09d8 EFLAGS: 00000246
RAX: 1ffff11022a25e40 RBX: 0200000000000000 RCX: ffff88814d7b2780
RDX: 0000000000000100 RSI: 0200000000000000 RDI: 220000ff01000000
RBP: ffffc900001d0a18 R08: ffffffff845f8226 R09: ffff8881541b9640
R10: ffffc900001d0500 R11: dffffc0000000001 R12: 00000000000002ff
R13: ffff88811512f200 R14: dffffc0000000000 R15: 00000000000002ff
FS:  00007f881b2a06c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055d491927388 CR3: 0000000154337000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 ip6_mc_input+0x1fa/0x2a0 net/ipv6/ip6_input.c:506
 dst_input include/net/dst.h:454 [inline]
 ip6_rcv_finish+0x186/0x350 net/ipv6/ip6_input.c:79
 NF_HOOK include/linux/netfilter.h:305 [inline]
 ipv6_rcv+0xeb/0x270 net/ipv6/ip6_input.c:300
 __netif_receive_skb_one_core net/core/dev.c:5497 [inline]
 __netif_receive_skb+0x1c6/0x530 net/core/dev.c:5611
 process_backlog+0x31c/0x650 net/core/dev.c:6488
 __napi_poll+0xc4/0x5a0 net/core/dev.c:7047
 napi_poll net/core/dev.c:7114 [inline]
 net_rx_action+0x47d/0xc50 net/core/dev.c:7204
 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:1096 [inline]
 sysvec_apic_timer_interrupt+0xa9/0xc0 arch/x86/kernel/apic/apic.c:1096
 </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 b0 2f cd 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 14 dc 66 fc fb bf 01 00 00 00 <e8> e9 e3 ff ff fa bf 01 00 00 00 e8 9e dd 66 fc 65 48 8b 1d c6 df
RSP: 0018:ffffc900014878c0 EFLAGS: 00000246
RAX: 1ffff11029af6646 RBX: 1ffff92000290f1c RCX: ffffffff84e75f00
RDX: 1ffff11029af64f5 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffc90001487948 R08: ffffffff874d2040 R09: ffffffff874d2048
R10: ffffffff874d2058 R11: ffffffff874d2050 R12: ffffc900014878e0
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000290f18
 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:1096
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:avc_search_node security/selinux/avc.c:541 [inline]
RIP: 0010:avc_lookup security/selinux/avc.c:571 [inline]
RIP: 0010:avc_has_perm_noaudit+0x115/0x430 security/selinux/avc.c:1150
Code: 8d 0c 8d 00 00 00 00 44 31 e9 8b 54 24 14 c1 e2 04 31 ca 81 e2 ff 01 00 00 48 8d 5c d0 08 48 89 d8 48 c1 e8 03 42 80 3c 38 00 <74> 08 48 89 df e8 91 bd 79 ff 4c 8b 33 4d 85 f6 0f 84 38 01 00 00
RSP: 0018:ffffc90001487a40 EFLAGS: 00000246
RAX: 1ffffffff0ea7924 RBX: ffffffff8753c920 RCX: 000000000000028f
RDX: 00000000000001ef RSI: 0000000000000080 RDI: 0000000000000000
RBP: ffffc90001487b48 R08: ffffffff8238ff25 R09: ffffc90001487aa0
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000080
R13: 0000000000000083 R14: ffffffff8753d7e0 R15: dffffc0000000000
 cred_has_capability security/selinux/hooks.c:1674 [inline]
 selinux_capable+0x1d9/0x430 security/selinux/hooks.c:2193
 security_capable+0x77/0xb0 security/security.c:808
 ns_capable_common kernel/capability.c:375 [inline]
 ns_capable kernel/capability.c:396 [inline]
 capable+0x6d/0xe0 kernel/capability.c:449
 bpf_capable include/linux/capability.h:264 [inline]
 trie_alloc+0x1f/0x330 kernel/bpf/lpm_trie.c:549
 find_and_alloc_map kernel/bpf/syscall.c:129 [inline]
 map_create+0x411/0x2050 kernel/bpf/syscall.c:857
 __sys_bpf+0x296/0x760 kernel/bpf/syscall.c:4615
 __do_sys_bpf kernel/bpf/syscall.c:4737 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:4735 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:4735
 x64_sys_call+0x87f/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:322
 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: 0033:0x7f881cc27819
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:00007f881b2a0038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f881cddefa0 RCX: 00007f881cc27819
RDX: 0000000000000048 RSI: 0000000020000340 RDI: 0000000000000000
RBP: 00007f881cc9a75e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f881cddefa0 R15: 00007ffe3ff2e188
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 1195 Comm: syz.2.157 Not tainted 5.15.168-syzkaller-00719-g101e665d55a8 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:perf_prepare_sample+0x0/0x1a80 kernel/events/core.c:7465
Code: 5d 41 5e 41 5f 5d c3 44 89 e9 80 e1 07 fe c1 38 c1 7c a6 4c 89 ef e8 5f 30 20 00 eb 9c 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 <55> 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48 81 ec c0 00
RSP: 0018:ffffc90000006a78 EFLAGS: 00000046
RAX: 0000000000000000 RBX: ffffc90000006b20 RCX: ffffc90000007108
RDX: ffff88812ff516d0 RSI: ffffc90000006c80 RDI: ffffc90000006b20
RBP: ffffc90000006b98 R08: dffffc0000000000 R09: ffffc90000006ac0
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 1ffff92000000d54 R14: ffff88812ff516d0 R15: ffffc90000006c80
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc589bfe68 CR3: 0000000147094000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 __perf_event_overflow+0x20b/0x390 kernel/events/core.c:9340
 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:1085 [inline]
 __sysvec_apic_timer_interrupt+0xfd/0x3c0 arch/x86/kernel/apic/apic.c:1102
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1096 [inline]
 sysvec_apic_timer_interrupt+0x53/0xc0 arch/x86/kernel/apic/apic.c:1096
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:memset_erms+0xb/0x10 arch/x86/lib/memset_64.S:65
Code: 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 f3 48 ab 89 d1 f3 aa 4c 89 c8 c3 90 49 89 f9 40 88 f0 48 89 d1 f3 aa <4c> 89 c8 c3 90 49 89 fa 40 0f b6 ce 48 b8 01 01 01 01 01 01 01 01
RSP: 0018:ffffc900000071b0 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffff88812b56a780 RCX: 0000000000000000
RDX: 000000000000001f RSI: 0000000000000000 RDI: ffffed10256ad50f
RBP: ffffc900000071d0 R08: ffffc90000007488 R09: ffffed10256ad4f0
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: 0000000000000001 R14: 00000000000000f8 R15: dffffc0000000000
 __kasan_slab_alloc+0x63/0xe0 mm/kasan/common.c:462
 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]
 nlmsg_new include/net/netlink.h:953 [inline]
 __neigh_notify+0x7d/0x120 net/core/neighbour.c:3375
 neigh_cleanup_and_release+0x2c/0x1b0 net/core/neighbour.c:101
 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:1096 [inline]
 sysvec_apic_timer_interrupt+0xa9/0xc0 arch/x86/kernel/apic/apic.c:1096
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:__schedule+0xcd9/0x1590 kernel/sched/core.c:6520
Code: b6 04 28 84 c0 0f 85 7f 02 00 00 41 80 24 24 fc 4c 89 f7 48 8b 74 24 08 e8 74 d2 1a fc 48 89 c7 e8 8c ca 67 fc 48 8b 44 24 50 <48> c7 44 24 60 0e 36 e0 45 49 c7 44 05 00 00 00 00 00 65 48 8b 04
RSP: 0018:ffffc90000bc6f80 EFLAGS: 00000286
RAX: 1ffff92000178dfc RBX: ffff88810b750528 RCX: 0000000000000002
RDX: 0000000040000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffc90000bc7070 R08: ffffffff819205d9 R09: fffffbfff0e5346b
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881f7038388
R13: dffffc0000000000 R14: ffff88810b750000 R15: 1ffff110216ea0a5
 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+0x64/0xc0 arch/x86/kernel/apic/apic.c:1096
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:update_stack_state+0x3bf/0x460 arch/x86/kernel/unwind_frame.c:242
Code: 97 a4 7d 00 65 48 8b 05 df 54 cd 7e 49 39 06 74 0d 48 89 df e8 42 fc ff ff 49 89 c6 eb 19 48 89 d8 48 c1 e8 03 42 80 3c 38 00 <74> 08 48 89 df e8 67 a4 7d 00 4c 8b 33 48 8b 5d d0 48 83 c3 48 48
RSP: 0018:ffffc90000bc7210 EFLAGS: 00000246
RAX: 1ffff92000178f93 RBX: ffffc90000bc7c98 RCX: 1ffff92000178e77
RDX: 1ffff92000178e6e RSI: ffffc90000bc7c90 RDI: ffffc90000bc73b8
RBP: ffffc90000bc72c8 R08: ffffc90000bc7448 R09: 000000000000000b
R10: ffffc90000bc7450 R11: dffffc0000000001 R12: 1ffff92000178e74
R13: 0000000000000000 R14: ffffc90000bc7388 R15: dffffc0000000000
 unwind_next_frame+0x3cb/0x700 arch/x86/kernel/unwind_frame.c:305
 arch_stack_walk+0x10d/0x140 arch/x86/kernel/stacktrace.c:25
 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
 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+0x64/0xc0 arch/x86/kernel/apic/apic.c:1096
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0033:0x7f2cf909f819
Code: Unable to access opcode bytes at RIP 0x7f2cf909f7ef.
RSP: 002b:00007f2cf77180e8 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 00007f2cf9256fa8 RCX: 00007f2cf909f819
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f2cf9256fa8
RBP: 00007f2cf9256fa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2cf9256fac
R13: 0000000000000000 R14: 00007ffd812c8a70 R15: 00007ffd812c8b58
 </TASK>