watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz.3.243:3049]
Modules linked in:
CPU: 1 PID: 3049 Comm: syz.3.243 Not tainted 5.10.225-syzkaller-00513-g8d23314f588a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:on_stack arch/x86/include/asm/stacktrace.h:48 [inline]
RIP: 0010:update_stack_state+0x1a6/0x460 arch/x86/kernel/unwind_frame.c:218
Code: 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 97 28 76 00 4d 8b 6f 10 48 8b 45 b0 42 0f b6 04 30 <84> c0 75 7a 45 8b 3f 45 85 ff 48 8b 45 a8 74 16 49 39 c4 77 11 49
RSP: 0018:ffffc9000016fcb0 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffffc9000016fe28 RCX: ffffc90000eef918
RDX: 1ffff9200002dfc2 RSI: ffffc90000eef908 RDI: ffffc9000016fe58
RBP: ffffc9000016fd68 R08: ffffc9000016fee8 R09: 0000000000000029
R10: ffffc9000016fef0 R11: dffffc0000000001 R12: ffffc90000ee8000
R13: ffffc90000ef0000 R14: dffffc0000000000 R15: ffffc9000016fe00
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0cbbd387a2 CR3: 000000012a5c1000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 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: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]
 kfree+0xc3/0x270 mm/slub.c:4191
 skb_free_head net/core/skbuff.c:606 [inline]
 skb_release_data+0x5c6/0x6f0 net/core/skbuff.c:626
 skb_release_all net/core/skbuff.c:680 [inline]
 __kfree_skb net/core/skbuff.c:694 [inline]
 consume_skb+0xac/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:preempt_schedule_irq+0xc2/0x140 kernel/sched/core.c:5065
Code: 4c 89 e7 e8 f0 f9 f6 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 44 c5 97 fc fb bf 01 00 00 00 <e8> 89 e6 ff ff fa bf 01 00 00 00 e8 ce c6 97 fc 65 48 8b 1d 56 20
RSP: 0018:ffffc90000eeefc0 EFLAGS: 00000246
RAX: 1ffff11020e3dd9e RBX: 1ffff920001dddfc RCX: ffffffff84b27500
RDX: 1ffffffff0e10808 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffc90000eef050 R08: ffffffff87084048 R09: ffffffff87084058
R10: ffffffff87084050 R11: ffffffff87084043 R12: ffffc90000eeefe0
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff920001dddf8
 irqentry_exit_cond_resched kernel/entry/common.c:365 [inline]
 irqentry_exit+0x4f/0x60 kernel/entry/common.c:395
 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: 0010:lockless_pages_from_mm mm/gup.c:2680 [inline]
RIP: 0010:internal_get_user_pages_fast+0xf92/0x1b50 mm/gup.c:2742
Code: c0 8b 5c 24 40 0f 85 4d 08 00 00 89 9c 24 40 02 00 00 48 8b 84 24 10 01 00 00 48 89 84 24 38 01 00 00 ff b4 24 38 01 00 00 9d <83> bc 24 ac 00 00 00 00 48 8b 7c 24 78 75 07 e8 5a ec cd ff eb 54
RSP: 0018:ffffc90000eef140 EFLAGS: 00000246
RAX: 0000000000000246 RBX: 00007f631f41f000 RCX: ffffc90000eef303
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffea0004ed1f40
RBP: ffffc90000eef400 R08: dffffc0000000000 R09: fffff940009da3e9
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888124ed70f0
R13: ffff88811df23c60 R14: 0000000000000001 R15: dffffc0000000000
 get_user_pages_fast+0x63/0x90 mm/gup.c:2848
 get_futex_key+0x1e8/0xe70 kernel/futex/core.c:538
 futex_wake+0x162/0x790 kernel/futex/core.c:1612
 do_futex+0x13c5/0x17b0 kernel/futex/core.c:3762
 mm_release+0x1d4/0x320 kernel/fork.c:1384
 exit_mm_release+0x25/0x30 kernel/fork.c:1401
 exit_mm kernel/exit.c:490 [inline]
 do_exit+0x605/0x2a50 kernel/exit.c:850
 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: 0033:0x7f632072e050
Code: 00 48 c7 44 24 10 40 00 00 00 48 c7 44 24 08 00 00 00 00 e9 ad fd ff ff 66 90 48 c7 c0 a8 ff ff ff 64 48 03 04 25 00 00 00 00 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 89 fa 53 48
RSP: 002b:00007f631f41e058 EFLAGS: 00000203
RAX: 00007f631f41e668 RBX: 00007f632095cf80 RCX: 00007f6320817b76
RDX: 0000000000000000 RSI: 0000000000005452 RDI: 0000000000000003
RBP: 00007f6320817b76 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f632095cf80 R15: 00007ffc96e3f558
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 2968 Comm: syz.0.231 Not tainted 5.10.225-syzkaller-00513-g8d23314f588a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:arch_static_branch arch/x86/include/asm/jump_label.h:25 [inline]
RIP: 0010:static_key_false include/linux/jump_label.h:221 [inline]
RIP: 0010:native_write_msr arch/x86/include/asm/msr.h:162 [inline]
RIP: 0010:wrmsr arch/x86/include/asm/msr.h:273 [inline]
RIP: 0010:native_apic_msr_write+0x39/0x50 arch/x86/include/asm/apic.h:208
Code: 74 05 83 ff 30 75 12 5d c3 81 ff d0 00 00 00 74 f6 81 ff e0 00 00 00 74 ee c1 ef 04 81 c7 00 08 00 00 89 f9 89 f0 31 d2 0f 30 <0f> 1f 44 00 00 eb d6 89 f6 31 d2 e8 b7 af 3e 01 5d c3 0f 1f 44 00
RSP: 0018:ffffc900000071b8 EFLAGS: 00000046
RAX: 00000000000000ef RBX: ffffffff85dc4988 RCX: 0000000000000838
RDX: 0000000000000000 RSI: 00000000000000ef RDI: 0000000000000838
RBP: ffffc900000071b8 R08: ffffffff815df6c1 R09: ffffffff815df64d
R10: 0000000000000002 R11: ffff8881170e2780 R12: 0000000000000ef7
R13: dffffc0000000000 R14: 00000000000000ef R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0cbbce9fdc CR3: 00000001346b3000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 apic_write arch/x86/include/asm/apic.h:396 [inline]
 lapic_next_event+0x5f/0x70 arch/x86/kernel/apic/apic.c:466
 clockevents_program_event+0x1a7/0x2c0 kernel/time/clockevents.c:334
 tick_program_event+0x9f/0x120 kernel/time/tick-oneshot.c:44
 hrtimer_interrupt+0x4cf/0x8b0 kernel/time/hrtimer.c:1724
 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 d4 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 b2
RSP: 0018:ffffc90000007480 EFLAGS: 00000206
RAX: 0000000000000000 RBX: 1ffffffff0da83ed RCX: ffffffff8150fdbb
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffffff86d41f68
RBP: ffffc90000007530 R08: dffffc0000000000 R09: fffffbfff0da83ee
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff92000000e9a
R13: 00000000000000ff R14: dffffc0000000000 R15: ffffffff86d41f68
 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:__sanitizer_cov_trace_const_cmp1+0x1/0x90 kernel/kcov.c:269
Code: 41 28 4c 39 c8 77 1e 48 c7 44 11 08 06 00 00 00 48 89 7c 11 10 48 89 74 11 18 4c 89 44 11 20 49 ff c2 4c 89 12 5d c3 66 90 55 <48> 89 e5 4c 8b 45 08 65 48 8b 15 00 be 97 7e 65 8b 05 05 be 97 7e
RSP: 0018:ffffc9000107f4b0 EFLAGS: 00000246
RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffffc9000107f600
RDX: ffff8881170e2780 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000107f6f0 R08: ffffffff81926dba R09: 0000000000000003
R10: fffffbfff0e178f0 R11: dffffc0000000001 R12: dffffc0000000000
R13: 0400000000000000 R14: ffff88810f2512e0 R15: 00007eff0205c000
 unmap_single_vma mm/memory.c:1551 [inline]
 unmap_vmas+0x37f/0x4f0 mm/memory.c:1583
 exit_mmap+0x2f2/0x5c0 mm/mmap.c:3355
 __mmput+0x95/0x2d0 kernel/fork.c:1153
 mmput+0x59/0x170 kernel/fork.c:1176
 exit_mm kernel/exit.c:539 [inline]
 do_exit+0xbda/0x2a50 kernel/exit.c:850
 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: 0033:0x7eff02f3beff
Code: Unable to access opcode bytes at RIP 0x7eff02f3bed5.
RSP: 002b:00007eff01bb5038 EFLAGS: 00000217
RAX: 0000000000000000 RBX: 00007eff030f3f80 RCX: 00007eff02f3bef9
RDX: 00000000200006c0 RSI: 0000000000005452 RDI: 0000000000000003
RBP: 00007eff02faeb76 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007eff030f3f80 R15: 00007ffc43888f18