rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P5822/1:b..l P5731/1:b..l P5802/2:b..l P5765/1:b..l
rcu: 	(detected by 1, t=10503 jiffies, g=10973, q=575 ncpus=2)
task:syz-executor.3  state:R  running task     stack:24672 pid:5765  tgid:5765  ppid:5118   flags:0x00004002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 preempt_schedule_common+0x84/0xd0 kernel/sched/core.c:6924
 preempt_schedule+0xe1/0xf0 kernel/sched/core.c:6948
 preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk.S:12
 __raw_spin_unlock include/linux/spinlock_api_smp.h:143 [inline]
 _raw_spin_unlock+0x3e/0x50 kernel/locking/spinlock.c:186
 spin_unlock include/linux/spinlock.h:391 [inline]
 zap_pte_range mm/memory.c:1682 [inline]
 zap_pmd_range mm/memory.c:1730 [inline]
 zap_pud_range mm/memory.c:1759 [inline]
 zap_p4d_range mm/memory.c:1780 [inline]
 unmap_page_range+0x4206/0x4d00 mm/memory.c:1801
 unmap_vmas+0x3cc/0x5f0 mm/memory.c:1891
 exit_mmap+0x264/0xc80 mm/mmap.c:3341
 __mmput+0x115/0x3c0 kernel/fork.c:1346
 exit_mm+0x220/0x310 kernel/exit.c:565
 do_exit+0x9aa/0x27e0 kernel/exit.c:861
 do_group_exit+0x207/0x2c0 kernel/exit.c:1023
 __do_sys_exit_group kernel/exit.c:1034 [inline]
 __se_sys_exit_group kernel/exit.c:1032 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1032
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f060207cee9
RSP: 002b:00007ffe853555e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 000000000000001e RCX: 00007f060207cee9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
 </TASK>
task:syz-executor.2  state:R  running task     stack:21296 pid:5802  tgid:5729  ppid:5112   flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 preempt_schedule_common+0x84/0xd0 kernel/sched/core.c:6924
 preempt_schedule+0xe1/0xf0 kernel/sched/core.c:6948
 preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk.S:12
 __local_bh_enable_ip+0x179/0x200 kernel/softirq.c:389
 local_bh_enable include/linux/bottom_half.h:33 [inline]
 rcu_read_unlock_bh include/linux/rcupdate.h:851 [inline]
 __dev_queue_xmit+0x16c9/0x3d30 net/core/dev.c:4420
 dev_queue_xmit include/linux/netdevice.h:3095 [inline]
 neigh_hh_output include/net/neighbour.h:526 [inline]
 neigh_output include/net/neighbour.h:540 [inline]
 ip6_finish_output2+0xfc0/0x1670 net/ipv6/ip6_output.c:137
 ip6_finish_output+0x41e/0x810 net/ipv6/ip6_output.c:222
 NF_HOOK include/linux/netfilter.h:314 [inline]
 ip6_xmit+0xefe/0x17f0 net/ipv6/ip6_output.c:358
 inet6_csk_xmit+0x466/0x700 net/ipv6/inet6_connection_sock.c:135
 __tcp_transmit_skb+0x1eda/0x3b80 net/ipv4/tcp_output.c:1466
 tcp_transmit_skb net/ipv4/tcp_output.c:1484 [inline]
 tcp_write_xmit+0x18b3/0x69d0 net/ipv4/tcp_output.c:2829
 __tcp_push_pending_frames+0x9b/0x360 net/ipv4/tcp_output.c:3014
 tcp_push_pending_frames include/net/tcp.h:2102 [inline]
 tcp_data_snd_check net/ipv4/tcp_input.c:5660 [inline]
 tcp_rcv_established+0x110e/0x2020 net/ipv4/tcp_input.c:6088
 tcp_v6_do_rcv+0xabb/0x13b0 net/ipv6/tcp_ipv6.c:1648
 sk_backlog_rcv include/net/sock.h:1106 [inline]
 __release_sock+0x1c8/0x350 net/core/sock.c:2983
 release_sock+0x61/0x1f0 net/core/sock.c:3549
 tcp_sendmsg+0x3a/0x50 net/ipv4/tcp.c:1349
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg+0xef/0x270 net/socket.c:745
 sock_sendmsg+0x134/0x200 net/socket.c:768
 splice_to_socket+0xa13/0x10b0 fs/splice.c:889
 do_splice_from fs/splice.c:941 [inline]
 direct_splice_actor+0x11e/0x220 fs/splice.c:1164
 splice_direct_to_actor+0x58e/0xc90 fs/splice.c:1108
 do_splice_direct_actor fs/splice.c:1207 [inline]
 do_splice_direct+0x28c/0x3e0 fs/splice.c:1233
 do_sendfile+0x56d/0xe10 fs/read_write.c:1295
 __do_sys_sendfile64 fs/read_write.c:1362 [inline]
 __se_sys_sendfile64+0x17c/0x1e0 fs/read_write.c:1348
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f407547cee9
RSP: 002b:00007f40762260c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f40755ac050 RCX: 00007f407547cee9
RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000005
RBP: 00007f40754c949e R08: 0000000000000000 R09: 0000000000000000
R10: 000000008000002b R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f40755ac050 R15: 00007ffc103dabb8
 </TASK>
task:syz-executor.2  state:R  running task     stack:21504 pid:5731  tgid:5729  ppid:5112   flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:7067
 irqentry_exit+0x5e/0x90 kernel/entry/common.c:354
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:lock_acquire+0x264/0x550 kernel/locking/lockdep.c:5758
Code: 2b 00 74 08 4c 89 f7 e8 0a 95 89 00 f6 44 24 61 02 0f 85 85 01 00 00 41 f7 c7 00 02 00 00 74 01 fb 48 c7 44 24 40 0e 36 e0 45 <4b> c7 44 25 00 00 00 00 00 43 c7 44 25 09 00 00 00 00 43 c7 44 25
RSP: 0018:ffffc90013c4f560 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 1ffff92002789eb8 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: ffffffff8bcacc20 RDI: ffffffff8c1fe6c0
RBP: ffffc90013c4f6a8 R08: ffffffff92fb6587 R09: 1ffffffff25f6cb0
R10: dffffc0000000000 R11: fffffbfff25f6cb1 R12: 1ffff92002789eb4
R13: dffffc0000000000 R14: ffffc90013c4f5c0 R15: 0000000000000246
 rcu_lock_acquire include/linux/rcupdate.h:329 [inline]
 rcu_read_lock include/linux/rcupdate.h:781 [inline]
 filemap_get_entry+0x144/0x4e0 mm/filemap.c:1837
 __filemap_get_folio+0x65/0xbb0 mm/filemap.c:1885
 pagecache_get_page+0x2c/0x200 mm/folio-compat.c:87
 prepare_pages+0x130/0x3b0 fs/btrfs/file.c:933
 btrfs_buffered_write+0x7d4/0x1360 fs/btrfs/file.c:1327
 btrfs_do_write_iter+0x2b1/0x10a0 fs/btrfs/file.c:1698
 new_sync_write fs/read_write.c:497 [inline]
 vfs_write+0xa72/0xc90 fs/read_write.c:590
 ksys_write+0x1a0/0x2c0 fs/read_write.c:643
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f407547cee9
RSP: 002b:00007f40762470c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f40755abf80 RCX: 00007f407547cee9
RDX: 00000000fffffd9d RSI: 0000000020000100 RDI: 0000000000000006
RBP: 00007f40754c949e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f40755abf80 R15: 00007ffc103dabb8
 </TASK>
task:syz-executor.0  state:R  running task     stack:23768 pid:5822  tgid:5820  ppid:5116   flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:7067
 irqentry_exit+0x5e/0x90 kernel/entry/common.c:354
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:26 [inline]
RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:67 [inline]
RIP: 0010:arch_local_irq_save arch/x86/include/asm/irqflags.h:103 [inline]
RIP: 0010:lock_release+0x166/0x9f0 kernel/locking/lockdep.c:5770
Code: 00 00 4c 89 f3 48 c1 eb 03 42 80 3c 3b 00 74 08 4c 89 f7 e8 5c 70 89 00 4c 89 6c 24 50 48 c7 84 24 b0 00 00 00 00 00 00 00 9c <8f> 84 24 b0 00 00 00 42 80 3c 3b 00 74 08 4c 89 f7 e8 44 6f 89 00
RSP: 0018:ffffc900135a6f98 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 1ffff920026b4e0a RCX: ffffffff8172a7c0
RDX: 0000000000000000 RSI: ffffffff8c1fe6a0 RDI: ffffffff8c1fe660
RBP: ffffc900135a70d0 R08: ffffffff8fad53af R09: 1ffffffff1f5aa75
R10: dffffc0000000000 R11: fffffbfff1f5aa76 R12: 1ffff920026b4e00
R13: ffffffff8207d317 R14: ffffc900135a7050 R15: dffffc0000000000
 rcu_lock_release include/linux/rcupdate.h:339 [inline]
 rcu_read_unlock include/linux/rcupdate.h:812 [inline]
 page_ext_put+0xa3/0xc0 mm/page_ext.c:546
 page_table_check_alloc include/linux/page_table_check.h:33 [inline]
 post_alloc_hook+0x206/0x230 mm/page_alloc.c:1469
 prep_new_page mm/page_alloc.c:1476 [inline]
 get_page_from_freelist+0x2ce2/0x2d90 mm/page_alloc.c:3438
 __alloc_pages_noprof+0x256/0x6c0 mm/page_alloc.c:4696
 alloc_pages_mpol_noprof+0x3e8/0x680 mm/mempolicy.c:2265
 vm_area_alloc_pages mm/vmalloc.c:3566 [inline]
 __vmalloc_area_node mm/vmalloc.c:3642 [inline]
 __vmalloc_node_range_noprof+0x971/0x1460 mm/vmalloc.c:3823
 __vmalloc_node_noprof mm/vmalloc.c:3888 [inline]
 vmalloc_noprof+0x79/0x90 mm/vmalloc.c:3921
 __snd_dma_alloc_pages sound/core/memalloc.c:39 [inline]
 snd_dma_alloc_dir_pages+0x163/0x240 sound/core/memalloc.c:73
 do_alloc_pages+0x128/0x260 sound/core/pcm_memory.c:70
 snd_pcm_lib_malloc_pages+0x33f/0x760 sound/core/pcm_memory.c:453
 snd_pcm_hw_params+0x945/0x1eb0 sound/core/pcm_native.c:773
 snd_pcm_oss_change_params_locked+0x2092/0x3d60 sound/core/oss/pcm_oss.c:965
 snd_pcm_oss_make_ready_locked sound/core/oss/pcm_oss.c:1187 [inline]
 snd_pcm_oss_read1 sound/core/oss/pcm_oss.c:1515 [inline]
 snd_pcm_oss_read+0x24c/0x940 sound/core/oss/pcm_oss.c:2773
 vfs_read+0x204/0xbd0 fs/read_write.c:474
 ksys_read+0x1a0/0x2c0 fs/read_write.c:619
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f33e607cee9
RSP: 002b:00007f33e6e940c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f33e61abf80 RCX: 00007f33e607cee9
RDX: 0000000000001000 RSI: 0000000020000340 RDI: 0000000000000003
RBP: 00007f33e60c949e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f33e61abf80 R15: 00007ffdca0c0428
 </TASK>
rcu: rcu_preempt kthread starved for 10667 jiffies! g10973 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt     state:R  running task     stack:25104 pid:17    tgid:17    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 schedule_timeout+0x1be/0x310 kernel/time/timer.c:2581
 rcu_gp_fqs_loop+0x2df/0x1330 kernel/rcu/tree.c:2000
 rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2202
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 5817 Comm: syz-executor.1 Not tainted 6.9.0-next-20240523-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:bytes_is_nonzero mm/kasan/generic.c:87 [inline]
RIP: 0010:memory_is_nonzero mm/kasan/generic.c:104 [inline]
RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:129 [inline]
RIP: 0010:memory_is_poisoned mm/kasan/generic.c:161 [inline]
RIP: 0010:check_region_inline mm/kasan/generic.c:180 [inline]
RIP: 0010:kasan_check_range+0x86/0x290 mm/kasan/generic.c:189
Code: 00 fc ff df 4f 8d 3c 31 4c 89 fd 4c 29 dd 48 83 fd 10 7f 29 48 85 ed 0f 84 3e 01 00 00 4c 89 cd 48 f7 d5 48 01 dd 41 80 3b 00 <0f> 85 c9 01 00 00 49 ff c3 48 ff c5 75 ee e9 1e 01 00 00 45 89 dc
RSP: 0018:ffffc90000007be8 EFLAGS: 00000046
RAX: ffffffff815c2301 RBX: 1ffff1100f7cc3c0 RCX: ffffffff815c23e1
RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffff88807be61e00
RBP: ffffffffffffffff R08: ffff88807be61e07 R09: 1ffff1100f7cc3c0
R10: dffffc0000000000 R11: ffffed100f7cc3c0 R12: ffff88807be61e00
R13: ffff88807be61e00 R14: dffffc0000000001 R15: ffffed100f7cc3c1
FS:  000055556332d480(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4d805e4f80 CR3: 000000007d3ee000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 instrument_atomic_write include/linux/instrumented.h:82 [inline]
 set_bit include/asm-generic/bitops/instrumented-atomic.h:28 [inline]
 set_ti_thread_flag include/linux/thread_info.h:89 [inline]
 set_tsk_thread_flag include/linux/sched.h:1930 [inline]
 signal_wake_up_state+0xa1/0x120 kernel/signal.c:764
 signal_wake_up include/linux/sched/signal.h:448 [inline]
 complete_signal+0x94a/0xcf0 kernel/signal.c:1065
 __send_signal_locked+0xb1b/0xdc0 kernel/signal.c:1185
 do_send_sig_info kernel/signal.c:1301 [inline]
 group_send_sig_info+0x292/0x310 kernel/signal.c:1451
 do_bpf_send_signal+0x85/0x190 kernel/trace/bpf_trace.c:838
 irq_work_single+0xe2/0x240 kernel/irq_work.c:221
 irq_work_run_list kernel/irq_work.c:252 [inline]
 irq_work_run+0x18b/0x350 kernel/irq_work.c:261
 __sysvec_irq_work+0xb8/0x430 arch/x86/kernel/irq_work.c:22
 instr_sysvec_irq_work arch/x86/kernel/irq_work.c:17 [inline]
 sysvec_irq_work+0x9e/0xc0 arch/x86/kernel/irq_work.c:17
 </IRQ>
 <TASK>
 asm_sysvec_irq_work+0x1a/0x20 arch/x86/include/asm/idtentry.h:738
RIP: 0010:finish_task_switch+0x1ea/0x870 kernel/sched/core.c:5282
Code: c9 50 e8 e9 cb 0b 00 48 83 c4 08 4c 89 f7 e8 cd 38 00 00 0f 1f 44 00 00 4c 89 f7 e8 f0 dc 2e 0a e8 cb fc 36 00 fb 48 8b 5d c0 <48> 8d bb f8 15 00 00 48 89 f8 48 c1 e8 03 49 be 00 00 00 00 00 fc
RSP: 0018:ffffc90004b57528 EFLAGS: 00000282
RAX: 4589b07d63dffb00 RBX: ffff88805f889e00 RCX: ffffffff8172f38a
RDX: dffffc0000000000 RSI: ffffffff8bcabaa0 RDI: ffffffff8c1fe6c0
RBP: ffffc90004b57570 R08: ffffffff92fb6627 R09: 1ffffffff25f6cc4
R10: dffffc0000000000 R11: fffffbfff25f6cc5 R12: 1ffff11017287ea7
R13: dffffc0000000000 R14: ffff8880b943e7c0 R15: ffff8880b943f538
 context_switch kernel/sched/core.c:5411 [inline]
 __schedule+0x17f0/0x4a20 kernel/sched/core.c:6745
 preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:7067
 irqentry_exit+0x5e/0x90 kernel/entry/common.c:354
 asm_sysvec_call_function_single+0x1a/0x20 arch/x86/include/asm/idtentry.h:709
RIP: 0010:constant_test_bit arch/x86/include/asm/bitops.h:206 [inline]
RIP: 0010:arch_test_bit arch/x86/include/asm/bitops.h:238 [inline]
RIP: 0010:tif_need_resched include/linux/thread_info.h:184 [inline]
RIP: 0010:need_resched include/linux/sched.h:2110 [inline]
RIP: 0010:preempt_schedule_common+0x9e/0xd0 kernel/sched/core.c:6932
Code: 1a 68 f6 4c 89 33 bf 01 00 00 00 e8 3c b0 ff ff 65 8b 05 1d d7 6f 74 65 ff 0d 16 d7 6f 74 65 48 8b 1c 25 00 d5 03 00 48 89 d8 <48> c1 e8 03 42 80 3c 38 00 0f 84 64 ff ff ff 48 89 df e8 bb 19 68
RSP: 0018:ffffc90004b57900 EFLAGS: 00000246
RAX: ffff88805f889e00 RBX: ffff88805f889e00 RCX: 1ffff9200096aefc
RDX: dffffc0000000000 RSI: ffffffff8bcabaa0 RDI: ffff88805f88b3f8
RBP: ffffc90004b579b8 R08: ffffffff92fb6627 R09: 1ffffffff25f6cc4
R10: dffffc0000000000 R11: fffffbfff25f6cc5 R12: 1ffff9200096af28
R13: 1ffff9200096af44 R14: ffffffff8b93fd41 R15: dffffc0000000000
 preempt_schedule+0xe1/0xf0 kernel/sched/core.c:6948
 preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk.S:12
 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
 _raw_spin_unlock_irqrestore+0x130/0x140 kernel/locking/spinlock.c:194
 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]
 __wake_up_common_lock+0x18c/0x1e0 kernel/sched/wait.c:108
 unix_write_space+0x209/0x470 net/unix/af_unix.c:547
 sock_wfree+0x1bf/0x760 net/core/sock.c:2482
 unix_destruct_scm+0x1c6/0x210 net/unix/af_unix.c:1830
 skb_release_head_state+0x100/0x250 net/core/skbuff.c:1160
 skb_release_all net/core/skbuff.c:1171 [inline]
 __kfree_skb net/core/skbuff.c:1187 [inline]
 kfree_skb_reason+0x16d/0x3b0 net/core/skbuff.c:1223
 kfree_skb include/linux/skbuff.h:1257 [inline]
 unix_release_sock+0x9ba/0xd20 net/unix/af_unix.c:659
 unix_release+0x91/0xc0 net/unix/af_unix.c:1049
 __sock_release net/socket.c:659 [inline]
 sock_close+0xbc/0x240 net/socket.c:1421
 __fput+0x406/0x8b0 fs/file_table.c:422
 __do_sys_close fs/open.c:1555 [inline]
 __se_sys_close fs/open.c:1540 [inline]
 __x64_sys_close+0x7f/0x110 fs/open.c:1540
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4d7f87bdda
Code: 48 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c 24 0c e8 03 7f 02 00 8b 7c 24 0c 89 c2 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 36 89 d7 89 44 24 0c e8 63 7f 02 00 8b 44 24
RSP: 002b:00007ffe03fb8980 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f4d7f87bdda
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007f4d7f9ad980 R08: 0000001b32c20000 R09: 000000000000019f
R10: 0000000081a1ca88 R11: 0000000000000293 R12: 000000000001a55f
R13: 00007f4d7f9ac1fc R14: 00007f4d7f9ac1f0 R15: 0000000000000032
 </TASK>
sched: RT throttling activated