watchdog: BUG: soft lockup - CPU#0 stuck for 123s! [syz.9.193:2024]
Modules linked in:
CPU: 0 PID: 2024 Comm: syz.9.193 Not tainted 5.10.226-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:stack_trace_consume_entry+0xfb/0x290 kernel/stacktrace.c:92
Code: 00 fc ff df 4c 8b 33 41 8d 59 01 41 0f b6 04 17 84 c0 0f 85 38 01 00 00 41 89 1a 4b 8d 1c ce 48 89 d8 48 c1 e8 03 80 3c 10 00 <74> 1e 48 89 df 49 89 d6 49 89 f7 4d 89 c5 e8 d2 8e 4e 00 4d 89 e8
RSP: 0018:ffffc90000006e08 EFLAGS: 00000246
RAX: 1ffff92000000e19 RBX: ffffc900000070c8 RCX: 0000000000006e01
RDX: dffffc0000000000 RSI: ffffffff813fbc18 RDI: ffffc90000006f4c
RBP: ffffc90000006e50 R08: ffffc90000006f48 R09: 000000000000001d
R10: ffffc90000006f50 R11: dffffc0000000001 R12: 1ffff92000000de9
R13: 1ffff92000000de9 R14: ffffc90000006fe0 R15: 1ffff92000000dea
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000100000001 CR3: 000000013ea8b000 CR4: 00000000003506b0
DR0: 2000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 arch_stack_walk+0x101/0x140 arch/x86/kernel/stacktrace.c:27
 stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:121
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:45
 kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370
 ____kasan_slab_free+0x121/0x160 mm/kasan/common.c:362
 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:370
 kasan_slab_free include/linux/kasan.h:220 [inline]
 slab_free_hook mm/slub.c:1595 [inline]
 slab_free_freelist_hook+0xc0/0x190 mm/slub.c:1621
 slab_free mm/slub.c:3203 [inline]
 kmem_cache_free+0xa9/0x1e0 mm/slub.c:3219
 kfree_skbmem+0x104/0x170
 __kfree_skb net/core/skbuff.c:695 [inline]
 consume_skb+0xb4/0x250 net/core/skbuff.c:851
 netlink_broadcast_filtered+0x114e/0x1270 net/netlink/af_netlink.c:1532
 netlink_broadcast net/netlink/af_netlink.c:1554 [inline]
 nlmsg_multicast include/net/netlink.h:1033 [inline]
 nlmsg_notify+0x101/0x1c0 net/netlink/af_netlink.c:2542
 rtnl_notify+0x9c/0xd0 net/core/rtnetlink.c:737
 __neigh_notify+0xcc/0x120 net/core/neighbour.c:3386
 neigh_cleanup_and_release+0x2c/0x1b0 net/core/neighbour.c:102
 neigh_del net/core/neighbour.c:198 [inline]
 neigh_remove_one+0x36b/0x3d0 net/core/neighbour.c:219
 neigh_forced_gc net/core/neighbour.c:252 [inline]
 neigh_alloc net/core/neighbour.c:430 [inline]
 ___neigh_create+0x484/0x1a10 net/core/neighbour.c:592
 __neigh_create+0x32/0x40 net/core/neighbour.c:680
 ip6_finish_output2+0x957/0x1850 net/ipv6/ip6_output.c:142
 __ip6_finish_output+0x5ec/0x780 net/ipv6/ip6_output.c:216
 ip6_finish_output+0x34/0x1e0 net/ipv6/ip6_output.c:226
 NF_HOOK_COND include/linux/netfilter.h:288 [inline]
 ip6_output+0x1f7/0x4c0 net/ipv6/ip6_output.c:249
 dst_output include/net/dst.h:437 [inline]
 NF_HOOK include/linux/netfilter.h:299 [inline]
 ndisc_send_skb+0x6e9/0xc00 net/ipv6/ndisc.c:511
 ndisc_send_rs+0x532/0x6a0 net/ipv6/ndisc.c:705
 addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3964
 call_timer_fn+0x3b/0x2d0 kernel/time/timer.c:1450
 expire_timers kernel/time/timer.c:1495 [inline]
 __run_timers+0x72a/0xa10 kernel/time/timer.c:1789
 run_timer_softirq+0x69/0xf0 kernel/time/timer.c:1802
 __do_softirq+0x268/0x5bb kernel/softirq.c:309
 asm_call_irq_on_stack+0xf/0x20
 </IRQ>
 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline]
 run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline]
 do_softirq_own_stack+0x60/0x80 arch/x86/kernel/irq_64.c:77
 invoke_softirq kernel/softirq.c:405 [inline]
 __irq_exit_rcu+0x128/0x150 kernel/softirq.c:435
 irq_exit_rcu+0x9/0x10 kernel/softirq.c:447
 sysvec_apic_timer_interrupt+0xbf/0xe0 arch/x86/kernel/apic/apic.c:1094
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635
RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x81/0x90 kernel/kcov.c:286
Code: 42 28 4c 39 d0 77 22 89 f8 89 f6 48 c7 44 0a 08 05 00 00 00 48 89 44 0a 10 48 89 74 0a 18 4c 89 44 0a 20 49 ff c1 4c 89 09 5d <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 55 48 89 e5 4c 8b 45
RSP: 0018:ffffc90000c475c8 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000002
RDX: ffff8881154f4f00 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000c47680 R08: ffffffff819dd57b R09: 0000000000000003
R10: fffff52000188e74 R11: dffffc0000000001 R12: ffff8881278b40d0
R13: fffff5200101a000 R14: 0000000000000000 R15: fffff5200102d000
 apply_to_existing_page_range+0x38/0x50 mm/memory.c:2846
 kasan_release_vmalloc+0x9a/0xb0 mm/kasan/shadow.c:464
 __purge_vmap_area_lazy+0x150e/0x1620 mm/vmalloc.c:1376
 try_purge_vmap_area_lazy+0x38/0x50 mm/vmalloc.c:1395
 free_vmap_area_noflush+0x281/0x2b0 mm/vmalloc.c:1431
 free_unmap_vmap_area mm/vmalloc.c:1444 [inline]
 remove_vm_area+0x1d7/0x1f0 mm/vmalloc.c:2199
 vm_remove_mappings mm/vmalloc.c:2226 [inline]
 __vunmap+0x24b/0x8f0 mm/vmalloc.c:2292
 __vfree mm/vmalloc.c:2349 [inline]
 vfree+0x5c/0x80 mm/vmalloc.c:2380
 kcov_put kernel/kcov.c:408 [inline]
 kcov_close+0x2b/0x50 kernel/kcov.c:510
 __fput+0x33d/0x7b0 fs/file_table.c:281
 ____fput+0x15/0x20 fs/file_table.c:314
 task_work_run+0x129/0x190 kernel/task_work.c:189
 exit_task_work include/linux/task_work.h:33 [inline]
 do_exit+0xc83/0x2a50 kernel/exit.c:863
 do_group_exit+0x141/0x310 kernel/exit.c:985
 get_signal+0x10a0/0x1410 kernel/signal.c:2790
 arch_do_signal_or_restart+0xbd/0x17c0 arch/x86/kernel/signal.c:805
 handle_signal_work kernel/entry/common.c:145 [inline]
 exit_to_user_mode_loop+0x9b/0xd0 kernel/entry/common.c:169
 exit_to_user_mode_prepare kernel/entry/common.c:199 [inline]
 irqentry_exit_to_user_mode+0x4e/0x80 kernel/entry/common.c:287
 irqentry_exit+0x12/0x60 kernel/entry/common.c:375
 sysvec_apic_timer_interrupt+0xcb/0xe0 arch/x86/kernel/apic/apic.c:1094
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635
RIP: 0033:0x7f6bfa369719
Code: Unable to access opcode bytes at RIP 0x7f6bfa3696ef.
RSP: 002b:00007f6bf8fc1038 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 00007f6bfa521058 RCX: 00007f6bfa369719
RDX: 00000000200006c0 RSI: 0000000000005452 RDI: 0000000000000007
RBP: 00007f6bfa3dc32e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f6bfa521058 R15: 00007fff42bcbe18
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 2747 Comm: syz.0.256 Not tainted 5.10.226-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:unwind_next_frame+0x38f/0x700 arch/x86/kernel/unwind_frame.c:301
Code: e4 74 1f 49 83 c4 20 4c 89 e0 48 c1 e8 03 80 3c 10 00 74 08 4c 89 e7 e8 af 2d 76 00 49 8b 04 24 eb 35 65 48 8b 05 51 54 d0 7e <48> 39 45 98 74 0b 48 8b 7d d0 e8 62 03 00 00 eb 1c 48 8b 5d d0 48
RSP: 0018:ffffc9000016f978 EFLAGS: 00000046
RAX: ffff888112b0bb40 RBX: 1ffff9200002df5a RCX: 0000000000000007
RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffffc90001db7f48
RBP: ffffc9000016f9f0 R08: ffffffff8100dead R09: ffffc9000016fa80
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: ffffc9000016fad0 R14: ffffc9000016fa80 R15: 1ffff9200002df50
FS:  00007f008958e6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000202a1000 CR3: 000000013ea8b000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 perf_callchain_kernel+0x498/0x640 arch/x86/events/core.c:2565
 get_perf_callchain+0x579/0x810 kernel/events/callchain.c:200
 perf_callchain kernel/events/core.c:7199 [inline]
 perf_prepare_sample+0x35a/0x1af0 kernel/events/core.c:7226
 __perf_event_output kernel/events/core.c:7384 [inline]
 perf_event_output_forward+0xdb/0x1b0 kernel/events/core.c:7404
 __perf_event_overflow+0x1c8/0x350 kernel/events/core.c:9060
 perf_swevent_hrtimer+0x3fd/0x560 kernel/events/core.c:10463
 __run_hrtimer kernel/time/hrtimer.c:1585 [inline]
 __hrtimer_run_queues+0x3d7/0xa50 kernel/time/hrtimer.c:1649
 hrtimer_interrupt+0x39a/0x8b0 kernel/time/hrtimer.c:1711
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1083 [inline]
 __sysvec_apic_timer_interrupt+0xfd/0x3c0 arch/x86/kernel/apic/apic.c:1100
 run_sysvec_on_irqstack_cond arch/x86/include/asm/irq_stack.h:91 [inline]
 sysvec_apic_timer_interrupt+0xba/0xe0 arch/x86/kernel/apic/apic.c:1094
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635
RIP: 0010:queued_write_lock_slowpath+0x185/0x390 kernel/locking/qrwlock.c:79
Code: b6 04 33 84 c0 4c 8b 64 24 08 74 37 44 89 f9 80 e1 07 80 c1 03 38 c1 7c 2a 4c 89 ff e8 c4 48 57 00 eb 20 f3 90 42 0f b6 04 33 <84> c0 74 15 44 89 f9 80 e1 07 80 c1 03 38 c1 7c 08 4c 89 ff e8 a2
RSP: 0018:ffffc90000170480 EFLAGS: 00000206
RAX: 0000000000000000 RBX: 1ffffffff0da83fd RCX: ffffffff8150fdbb
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffffff86d41fe8
RBP: ffffc90000170530 R08: dffffc0000000000 R09: fffffbfff0da83fe
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff9200002e09a
R13: 00000000000000ff R14: dffffc0000000000 R15: ffffffff86d41fe8
 queued_write_lock include/asm-generic/qrwlock.h:95 [inline]
 __raw_write_lock_bh include/linux/rwlock_api_smp.h:204 [inline]
 _raw_write_lock_bh+0x10a/0x170 kernel/locking/spinlock.c:319
 neigh_forced_gc net/core/neighbour.c:237 [inline]
 neigh_alloc net/core/neighbour.c:430 [inline]
 ___neigh_create+0x1eb/0x1a10 net/core/neighbour.c:592
 __neigh_create+0x32/0x40 net/core/neighbour.c:680
 ip6_finish_output2+0x957/0x1850 net/ipv6/ip6_output.c:142
 __ip6_finish_output+0x5ec/0x780 net/ipv6/ip6_output.c:216
 ip6_finish_output+0x34/0x1e0 net/ipv6/ip6_output.c:226
 NF_HOOK_COND include/linux/netfilter.h:288 [inline]
 ip6_output+0x1f7/0x4c0 net/ipv6/ip6_output.c:249
 dst_output include/net/dst.h:437 [inline]
 NF_HOOK include/linux/netfilter.h:299 [inline]
 ndisc_send_skb+0x6e9/0xc00 net/ipv6/ndisc.c:511
 ndisc_send_rs+0x532/0x6a0 net/ipv6/ndisc.c:705
 addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3964
 call_timer_fn+0x3b/0x2d0 kernel/time/timer.c:1450
 expire_timers kernel/time/timer.c:1495 [inline]
 __run_timers+0x72a/0xa10 kernel/time/timer.c:1789
 run_timer_softirq+0x69/0xf0 kernel/time/timer.c:1802
 __do_softirq+0x268/0x5bb kernel/softirq.c:309
 asm_call_irq_on_stack+0xf/0x20
 </IRQ>
 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline]
 run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline]
 do_softirq_own_stack+0x60/0x80 arch/x86/kernel/irq_64.c:77
 invoke_softirq kernel/softirq.c:405 [inline]
 __irq_exit_rcu+0x128/0x150 kernel/softirq.c:435
 irq_exit_rcu+0x9/0x10 kernel/softirq.c:447
 sysvec_apic_timer_interrupt+0xbf/0xe0 arch/x86/kernel/apic/apic.c:1094
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635
RIP: 0010:pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:434 [inline]
RIP: 0010:__pv_queued_spin_lock_slowpath+0x5a1/0xc70 kernel/locking/qspinlock.c:508
Code: 85 ba 01 00 00 c6 03 00 48 8b 44 24 28 42 0f b6 04 30 84 c0 0f 85 bf 01 00 00 48 8b 04 24 c6 00 01 bb 00 80 ff ff eb 06 f3 90 <ff> c3 74 50 43 0f b6 44 35 00 84 c0 75 32 41 80 3c 24 00 75 e9 4c
RSP: 0018:ffffc90001db73c0 EFLAGS: 00000206
RAX: 0000000000000004 RBX: 00000000ffff9735 RCX: 00000000870bd400
RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffffc90001db7340
RBP: ffffc90001db74b0 R08: dffffc0000000000 R09: 0000000000000000
R10: fffffbfff0e17a94 R11: dffffc0000000001 R12: ffffffff870bd4a0
R13: 1ffffffff0e17a94 R14: dffffc0000000000 R15: ffff88823ff52ac0
 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:554 [inline]
 queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline]
 queued_spin_lock include/asm-generic/qspinlock.h:85 [inline]
 do_raw_spin_lock include/linux/spinlock.h:183 [inline]
 __raw_spin_lock include/linux/spinlock_api_smp.h:143 [inline]
 _raw_spin_lock+0x139/0x1b0 kernel/locking/spinlock.c:151
 spin_lock include/linux/spinlock.h:354 [inline]
 alloc_vmap_area+0x629/0x1a90 mm/vmalloc.c:1210
 __get_vm_area_node+0x156/0x470 mm/vmalloc.c:2093
 __vmalloc_node_range+0xdc/0x7c0 mm/vmalloc.c:2591
 __vmalloc_node mm/vmalloc.c:2682 [inline]
 __vmalloc+0x7a/0x90 mm/vmalloc.c:2696
 bpf_prog_alloc_no_stats+0x39/0x2a0 kernel/bpf/core.c:92
 bpf_prog_alloc+0x21/0x1e0 kernel/bpf/core.c:120
 bpf_prog_load kernel/bpf/syscall.c:2180 [inline]
 __do_sys_bpf kernel/bpf/syscall.c:4435 [inline]
 __se_sys_bpf+0x9856/0x11cb0 kernel/bpf/syscall.c:4391
 __x64_sys_bpf+0x7b/0x90 kernel/bpf/syscall.c:4391
 do_syscall_64+0x34/0x70
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f008a915719
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:00007f008958e038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f008aaccf80 RCX: 00007f008a915719
RDX: 0000000000000090 RSI: 00000000200000c0 RDI: 0000000000000005
RBP: 00007f008a98832e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f008aaccf80 R15: 00007fff273c97d8