watchdog: BUG: soft lockup - CPU#0 stuck for 123s! [syz.2.1218:4570]
Modules linked in:
CPU: 0 PID: 4570 Comm: syz.2.1218 Not tainted 5.4.274-syzkaller-00002-g6f97bd951d82 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:___neigh_create+0xd5a/0x1ae0 net/core/neighbour.c:630
Code: 03 48 89 44 24 70 42 80 3c 38 00 74 08 48 89 df e8 1b 2f 11 fe 48 89 5c 24 30 4c 89 b4 24 88 00 00 00 49 8b ac 24 20 02 00 00 <49> 8d 9c 24 f0 01 00 00 48 89 df be 04 00 00 00 e8 51 02 11 fe 48
RSP: 0000:ffff8881f6e09720 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff0c7f890 RBX: ffffffff863fc480 RCX: 00000000000000ff
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff8881f6e096a0
RBP: ffff8881f0bc3080 R08: dffffc0000000000 R09: 0000000000000003
R10: ffffffffffffffff R11: dffffc0000000001 R12: ffffffff863fc260
R13: ffff8881eb4e9400 R14: ffff8881eb4e9410 R15: dffffc0000000000
FS:  00007f6e66dee6c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6e66dcdd58 CR3: 00000001e5e00000 CR4: 00000000003406b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 ip6_finish_output2+0x965/0x18e0 net/ipv6/ip6_output.c:141
 NF_HOOK_COND include/linux/netfilter.h:292 [inline]
 ip6_output+0x1b3/0x430 net/ipv6/ip6_output.c:248
 dst_output include/net/dst.h:438 [inline]
 NF_HOOK include/linux/netfilter.h:303 [inline]
 ndisc_send_skb+0x702/0xc30 net/ipv6/ndisc.c:509
 addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3953
 call_timer_fn+0x36/0x390 kernel/time/timer.c:1448
 expire_timers kernel/time/timer.c:1493 [inline]
 __run_timers+0x879/0xbe0 kernel/time/timer.c:1817
 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1830
 __do_softirq+0x23b/0x6b7 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:373 [inline]
 irq_exit+0x195/0x1c0 kernel/softirq.c:413
 exiting_irq arch/x86/include/asm/apic.h:538 [inline]
 smp_apic_timer_interrupt+0x11a/0x460 arch/x86/kernel/apic/apic.c:1149
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:834
 </IRQ>
RIP: 0010:exit_to_usermode_loop+0x20/0x1a0 arch/x86/entry/common.c:148
Code: 2e 0f 1f 84 00 00 00 00 00 90 41 57 41 56 41 54 53 41 89 f7 49 89 fe 49 bc 00 00 00 00 00 fc ff df e8 a4 d2 63 00 fb 44 89 fe <83> e6 08 31 ff e8 86 d5 63 00 44 89 f8 83 e0 08 75 07 e8 89 d2 63
RSP: 0000:ffff8881de6cfef0 EFLAGS: 00000287 ORIG_RAX: ffffffffffffff13
RAX: ffffffff8100697c RBX: 0000000000000000 RCX: 0000000000040000
RDX: ffffc90001347000 RSI: 0000000000000008 RDI: 000000000000529a
RBP: 0000000000000008 R08: ffffffff810067f2 R09: ffffed103d2025e9
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 1ffff1103d2025e8 R14: ffff8881de6cff58 R15: 0000000000000008
 prepare_exit_to_usermode+0x199/0x200 arch/x86/entry/common.c:194
 ret_from_intr+0x1c/0x1c
RIP: 0033:0x7f6e67b6cd39
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:00007f6e66dee048 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 00007f6e67cfafa0 RCX: 00007f6e67b6cd39
RDX: 00000000200006c0 RSI: 0000000000005452 RDI: 0000000000000003
RBP: 00007f6e67bed766 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f6e67cfafa0 R15: 00007ffde1381ac8
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 2357 Comm: syz.3.610 Not tainted 5.4.274-syzkaller-00002-g6f97bd951d82 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:arch_static_branch arch/x86/include/asm/msr.h:105 [inline]
RIP: 0010:static_key_false include/linux/jump_label.h:200 [inline]
RIP: 0010:native_write_msr arch/x86/include/asm/msr.h:164 [inline]
RIP: 0010:wrmsr arch/x86/include/asm/msr.h:275 [inline]
RIP: 0010:native_apic_msr_write+0x35/0x50 arch/x86/include/asm/apic.h:207
Code: 74 2d 83 ff 30 74 28 eb 10 81 ff d0 00 00 00 74 1e 81 ff e0 00 00 00 74 16 c1 ef 04 81 c7 00 08 00 00 89 f9 89 f0 31 d2 0f 30 <0f> 1f 44 00 00 c3 89 f6 31 d2 e9 ac 30 1a 01 66 66 2e 0f 1f 84 00
RSP: 0018:ffff8881f6f09008 EFLAGS: 00000046
RAX: 00000000000000da RBX: ffffffff856321e0 RCX: 0000000000000838
RDX: 0000000000000000 RSI: 00000000000000da RDI: 0000000000000838
RBP: 00000000000000da R08: ffffffff8157c22b R09: ffffffff8157c1b7
R10: ffff8881e0fbbf00 R11: 0000000000000002 R12: dffffc0000000000
R13: 0000000000000002 R14: 00000000000000da R15: dffffc0000000000
FS:  00007f154c1bd6c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd55e3c068 CR3: 00000001d32e2000 CR4: 00000000003406a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 apic_write arch/x86/include/asm/apic.h:395 [inline]
 lapic_next_event+0x5b/0x70 arch/x86/kernel/apic/apic.c:466
 clockevents_program_event+0x199/0x2c0 kernel/time/clockevents.c:334
 hrtimer_interrupt+0x4b3/0x890 kernel/time/hrtimer.c:1718
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1122 [inline]
 smp_apic_timer_interrupt+0x110/0x460 arch/x86/kernel/apic/apic.c:1147
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:834
RIP: 0010:unwind_next_frame+0x783/0x1ea0 arch/x86/kernel/unwind_orc.c:461
Code: 74 6f 89 d9 80 e1 07 38 c1 7c 66 be 02 00 00 00 48 89 df 48 89 d3 e8 2c 5c 64 00 e9 57 15 00 00 48 8b 44 24 60 42 80 3c 38 00 <74> 0e 4c 89 f7 48 89 d3 e8 50 5b 64 00 48 89 da 49 8b 06 48 89 44
RSP: 0018:ffff8881f6f09240 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 1ffff1103ede12af RBX: ffff8881f6f09578 RCX: ffffffff86511360
RDX: ffffffff867be9e6 RSI: ffffffff867be9e2 RDI: 0000000000000001
RBP: ffff8881f6f09530 R08: 0000000000000001 R09: ffff8881f6f09590
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffffffff0cf7d3c
R13: ffffffff867be9e2 R14: ffff8881f6f09578 R15: dffffc0000000000
 arch_stack_walk+0x111/0x140 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x118/0x1c0 kernel/stacktrace.c:123
 save_stack mm/kasan/common.c:70 [inline]
 set_track mm/kasan/common.c:78 [inline]
 __kasan_kmalloc+0x171/0x210 mm/kasan/common.c:529
 slab_post_alloc_hook mm/slab.h:584 [inline]
 slab_alloc_node mm/slub.c:2829 [inline]
 slab_alloc mm/slub.c:2837 [inline]
 kmem_cache_alloc+0xd9/0x250 mm/slub.c:2842
 dst_alloc+0x154/0x4c0 net/core/dst.c:93
 ip6_dst_alloc net/ipv6/route.c:357 [inline]
 icmp6_dst_alloc+0xf1/0x550 net/ipv6/route.c:3183
 ndisc_send_skb+0x262/0xc30 net/ipv6/ndisc.c:489
 addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3953
 call_timer_fn+0x36/0x390 kernel/time/timer.c:1448
 expire_timers kernel/time/timer.c:1493 [inline]
 __run_timers+0x879/0xbe0 kernel/time/timer.c:1817
 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1830
 __do_softirq+0x23b/0x6b7 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:373 [inline]
 irq_exit+0x195/0x1c0 kernel/softirq.c:413
 exiting_irq arch/x86/include/asm/apic.h:538 [inline]
 smp_apic_timer_interrupt+0x11a/0x460 arch/x86/kernel/apic/apic.c:1149
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:834
 </IRQ>
RIP: 0010:unwind_next_frame+0x1d6/0x1ea0 arch/x86/kernel/unwind_orc.c:426
Code: 00 00 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 74 08 48 89 df e8 13 61 64 00 f6 03 03 0f 85 3e 16 00 00 <4c> 89 74 24 40 48 8b 04 24 4c 8d 70 35 4d 89 f7 49 c1 ef 03 48 bb
RSP: 0018:ffff8881e334f0e0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 1ffff1103c1f790f RBX: 0000000000000000 RCX: ffffffff84511c00
RDX: 0000000000000000 RSI: 0000000000000040 RDI: ffffffff812fbfcc
RBP: ffff8881e334f3d0 R08: ffffffff8153b472 R09: ffff8881e334f430
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1103c669e7c
R13: ffffffff813bc298 R14: 1ffff1103c669e86 R15: dffffc0000000000
 arch_stack_walk+0x111/0x140 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x118/0x1c0 kernel/stacktrace.c:123
 save_stack mm/kasan/common.c:70 [inline]
 set_track mm/kasan/common.c:78 [inline]
 kasan_set_free_info mm/kasan/common.c:345 [inline]
 __kasan_slab_free+0x1b5/0x270 mm/kasan/common.c:487
 slab_free_hook mm/slub.c:1455 [inline]
 slab_free_freelist_hook mm/slub.c:1494 [inline]
 slab_free mm/slub.c:3080 [inline]
 kmem_cache_free+0x10b/0x2c0 mm/slub.c:3096
 anon_vma_chain_free mm/rmap.c:136 [inline]
 unlink_anon_vmas+0x563/0x590 mm/rmap.c:424
 free_pgtables+0x12d/0x280 mm/memory.c:427
 exit_mmap+0x2cb/0x520 mm/mmap.c:3192
 __mmput+0x8e/0x2c0 kernel/fork.c:1101
 exit_mm kernel/exit.c:536 [inline]
 do_exit+0xc08/0x2bc0 kernel/exit.c:846
 do_group_exit+0x138/0x300 kernel/exit.c:982
 get_signal+0xdb1/0x1440 kernel/signal.c:2735
 do_signal+0xb0/0x11f0 arch/x86/kernel/signal.c:809
 exit_to_usermode_loop+0xc0/0x1a0 arch/x86/entry/common.c:159
 prepare_exit_to_usermode+0x199/0x200 arch/x86/entry/common.c:194
 entry_SYSCALL_64_after_hwframe+0x5c/0xc1
RIP: 0033:0x7f154cf3bd39
Code: Bad RIP value.
RSP: 002b:00007f154c1bd048 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: 0000000000000000 RBX: 00007f154d0c9fa0 RCX: 00007f154cf3bd39
RDX: 00000000200006c0 RSI: 0000000000005452 RDI: 0000000000000006
RBP: 00007f154cfbc766 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f154d0c9fa0 R15: 00007ffef77ab858