watchdog: BUG: soft lockup - CPU#1 stuck for 143s! [syz.7.112:1564]
Modules linked in:
CPU: 1 PID: 1564 Comm: syz.7.112 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:queued_write_lock_slowpath+0x159/0x440 kernel/locking/qrwlock.c:78
Code: 41 81 0f 00 01 00 00 48 8b 5c 24 08 43 0f b6 04 2e 84 c0 0f 85 94 00 00 00 41 8b 07 3d 00 01 00 00 74 27 f3 90 43 0f b6 04 2e <84> c0 74 eb 44 89 f9 80 e1 07 80 c1 03 38 c1 7c de 4c 89 ff e8 7e
RSP: 0018:ffffc900001d0460 EFLAGS: 00000206
RAX: 0000000000000000 RBX: 1ffff9200003a096 RCX: ffffffff8155424e
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffffff87197188
RBP: ffffc900001d0510 R08: dffffc0000000000 R09: fffffbfff0e32e32
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc900001d04b0
R13: dffffc0000000000 R14: 1ffffffff0e32e31 R15: ffffffff87197188
FS:  00007f840b84e6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffff0000 CR3: 0000000115e74000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 queued_write_lock include/asm-generic/qrwlock.h:97 [inline]
 __raw_write_lock_bh include/linux/rwlock_api_smp.h:204 [inline]
 _raw_write_lock_bh+0x10a/0x170 kernel/locking/spinlock.c:324
 neigh_forced_gc net/core/neighbour.c:236 [inline]
 neigh_alloc net/core/neighbour.c:429 [inline]
 ___neigh_create+0x1f3/0x1bd0 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:find_stack lib/stackdepot.c:207 [inline]
RIP: 0010:__stack_depot_save+0x167/0x470 lib/stackdepot.c:304
Code: de eb 03 44 89 ff 48 8b 05 0e fd ce 04 44 89 f1 81 e1 ff 0f 00 00 48 89 45 b0 48 89 4d b8 4c 8b 24 c8 4c 89 cb 41 89 df eb 04 <4d> 8b 24 24 4d 85 e4 74 2d 45 39 74 24 08 75 f0 41 39 5c 24 0c 75
RSP: 0018:ffffc900010df8d8 EFLAGS: 00000207
RAX: ffff88823fe40000 RBX: 000000000000000c RCX: 0000000000000b7d
RDX: ffffc900010df994 RSI: 0000000000000001 RDI: 0000000000000cc0
RBP: ffffc900010df930 R08: 0000000000000003 R09: 000000000000000c
R10: ffffc900010df8b0 R11: dffffc0000000001 R12: ffff888130bf30d0
R13: ffffc900010df940 R14: 00000000ff875b7d R15: 000000000000000c
 kasan_save_stack mm/kasan/common.c:39 [inline]
 kasan_set_track mm/kasan/common.c:45 [inline]
 set_alloc_info mm/kasan/common.c:433 [inline]
 __kasan_slab_alloc+0xc3/0xe0 mm/kasan/common.c:466
 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
 __d_alloc+0x2d/0x6c0 fs/dcache.c:1749
 d_alloc_pseudo+0x1d/0x70 fs/dcache.c:1878
 alloc_file_pseudo+0x131/0x2f0 fs/file_table.c:225
 sock_alloc_file+0xbb/0x260 net/socket.c:462
 __sys_socketpair+0x4c3/0x6e0 net/socket.c:1673
 __do_sys_socketpair net/socket.c:1695 [inline]
 __se_sys_socketpair net/socket.c:1692 [inline]
 __x64_sys_socketpair+0x9b/0xb0 net/socket.c:1692
 x64_sys_call+0x19b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:54
 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: 0033:0x7f840d1d7809
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:00007f840b84e058 EFLAGS: 00000246 ORIG_RAX: 0000000000000035
RAX: ffffffffffffffda RBX: 00007f840d39cfa0 RCX: 00007f840d1d7809
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 000000000000001e
RBP: 00007f840d24a93e R08: 0000000000000000 R09: 0000000000000000
R10: 00000000200000c0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f840d39cfa0 R15: 00007ffd01caf248
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 1480 Comm: syz.6.124 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:arch_static_branch arch/x86/include/asm/jump_label.h:27 [inline]
RIP: 0010:static_key_false include/linux/jump_label.h:235 [inline]
RIP: 0010:native_write_msr arch/x86/include/asm/msr.h:156 [inline]
RIP: 0010:wrmsr arch/x86/include/asm/msr.h:263 [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 <66> 90 eb d9 89 f6 31 d2 e8 2a 1c 52 01 5d c3 0f 1f 84 00 00 00 00
RSP: 0018:ffffc90000006fb8 EFLAGS: 00000046
RAX: 00000000000000c1 RBX: ffffffff862639e8 RCX: 0000000000000838
RDX: 0000000000000000 RSI: 00000000000000c1 RDI: 0000000000000838
RBP: ffffc90000006fb8 R08: ffffffff8163d21b R09: ffffffff8163d10d
R10: 0000000000000002 R11: ffff88811b9b2780 R12: 0000000000000020
R13: dffffc0000000000 R14: 00000000000000c1 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffff0000 CR3: 0000000006a0f000 CR4: 00000000003506b0
DR0: 0000000020000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 apic_write arch/x86/include/asm/apic.h:395 [inline]
 lapic_next_event+0x5f/0x70 arch/x86/kernel/apic/apic.c:468
 clockevents_program_event+0x1c1/0x300 kernel/time/clockevents.c:334
 tick_program_event+0x9f/0x120 kernel/time/tick-oneshot.c:44
 hrtimer_interrupt+0x625/0xaa0 kernel/time/hrtimer.c:1826
 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:__traceiter_kmem_cache_free+0x23/0x50 include/trace/events/kmem.h:138
Code: 5e 41 5f 5d c3 66 90 55 48 89 e5 41 57 41 56 41 54 53 48 8b 1d 86 71 83 05 48 85 db 74 26 49 89 ce 49 89 d7 49 89 f4 48 8b 03 <48> 8b 7b 08 4c 89 e6 4c 89 fa 4c 89 f1 ff d0 48 83 7b 18 00 48 8d
RSP: 0018:ffffc90000007288 EFLAGS: 00000286
RAX: ffffffff81a3b3f0 RBX: ffff888101be9b40 RCX: ffff88811b9b2780
RDX: 0000000000000100 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc900000072a8 R08: ffffffff81894072 R09: ffffffff81896ab5
R10: 000000000000000c R11: ffff88811b9b2780 R12: ffffffff83e125b4
R13: ffffffff83e125b4 R14: ffffffff85d2b160 R15: ffff888136005500
 trace_kmem_cache_free include/trace/events/kmem.h:138 [inline]
 kmem_cache_free+0x2c3/0x2e0 mm/slub.c:3536
 kfree_skbmem+0x104/0x170
 __kfree_skb net/core/skbuff.c:758 [inline]
 consume_skb+0xb4/0x250 net/core/skbuff.c:930
 netlink_broadcast_filtered+0x10f4/0x1220 net/netlink/af_netlink.c:1540
 netlink_broadcast net/netlink/af_netlink.c:1562 [inline]
 nlmsg_multicast include/net/netlink.h:1033 [inline]
 nlmsg_notify+0x101/0x1c0 net/netlink/af_netlink.c:2551
 rtnl_notify+0x9c/0xd0 net/core/rtnetlink.c:759
 __neigh_notify+0xcc/0x120 net/core/neighbour.c:3386
 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:memcg_oom_recover mm/memcontrol.c:1855 [inline]
RIP: 0010:uncharge_batch+0x118/0x4b0 mm/memcontrol.c:6967
Code: fc ff 4d 8b 27 4d 85 e4 74 48 4c 89 eb 4d 8d ac 24 a4 03 00 00 4c 89 e8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 0f b6 04 08 <84> c0 0f 85 a3 02 00 00 41 83 7d 00 00 49 89 dd 74 16 48 c7 c7 20
RSP: 0018:ffffc90000d8f120 EFLAGS: 00000a07
RAX: 0000000000000000 RBX: ffffc90000d8f160 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 00000000000002fc RDI: ffff888100248168
RBP: ffffc90000d8f1d8 R08: ffffffff81b5e303 R09: ffffed102004902e
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88810d250000
R13: ffff88810d2503a4 R14: 1ffff920001b1e4d R15: ffffc90000d8f260
 uncharge_page+0xab/0x4c0 mm/memcontrol.c:7010
 __mem_cgroup_uncharge_list+0xba/0x150 mm/memcontrol.c:7073
 mem_cgroup_uncharge_list include/linux/memcontrol.h:735 [inline]
 release_pages+0x1308/0x1370 mm/swap.c:1008
 free_pages_and_swap_cache+0x8a/0xa0 mm/swap_state.c:320
 tlb_batch_pages_flush mm/mmu_gather.c:49 [inline]
 tlb_flush_mmu_free mm/mmu_gather.c:240 [inline]
 tlb_flush_mmu+0xd0/0x180 mm/mmu_gather.c:247
 zap_pte_range mm/memory.c:1513 [inline]
 zap_pmd_range mm/memory.c:1562 [inline]
 zap_pud_range mm/memory.c:1591 [inline]
 zap_p4d_range mm/memory.c:1612 [inline]
 unmap_page_range+0x1c70/0x1ed0 mm/memory.c:1633
 unmap_single_vma mm/memory.c:1678 [inline]
 unmap_vmas+0x389/0x560 mm/memory.c:1710
 exit_mmap+0x3e4/0x940 mm/mmap.c:3215
 __mmput+0x95/0x310 kernel/fork.c:1179
 mmput+0x5b/0x170 kernel/fork.c:1202
 exit_mm kernel/exit.c:554 [inline]
 do_exit+0xb9c/0x2ca0 kernel/exit.c:867
 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: 0033:0x7fb812389809
Code: Unable to access opcode bytes at RIP 0x7fb8123897df.
RSP: 002b:00007fb810a00058 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: 0000000000000000 RBX: 00007fb81254efa0 RCX: 00007fb812389809
RDX: 00000000200006c0 RSI: 0000000000005452 RDI: 0000000000000005
RBP: 00007fb8123fc93e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fb81254efa0 R15: 00007ffcda05e968
 </TASK>