rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
	(detected by 1, t=10502 jiffies, g=6653, q=363)
rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294953711-4294943208), jiffies_till_next_fqs=1, root ->qsmask 0x0
syz-executor.3  R  running task    24536  8335   8334 0x0000400a
Call Trace:
 <IRQ>
 sched_show_task+0x40f/0x560 kernel/sched/core.c:5954
 print_other_cpu_stall kernel/rcu/tree_stall.h:410 [inline]
 check_cpu_stall kernel/rcu/tree_stall.h:538 [inline]
 rcu_pending kernel/rcu/tree.c:2827 [inline]
 rcu_sched_clock_irq+0x1861/0x1ad0 kernel/rcu/tree.c:2271
 update_process_times+0x12d/0x180 kernel/time/timer.c:1726
 tick_sched_handle kernel/time/tick-sched.c:167 [inline]
 tick_sched_timer+0x263/0x420 kernel/time/tick-sched.c:1310
 __run_hrtimer kernel/time/hrtimer.c:1514 [inline]
 __hrtimer_run_queues+0x403/0x840 kernel/time/hrtimer.c:1576
 hrtimer_interrupt+0x38c/0xda0 kernel/time/hrtimer.c:1638
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1110 [inline]
 smp_apic_timer_interrupt+0x109/0x280 arch/x86/kernel/apic/apic.c:1135
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829
 </IRQ>
RIP: 0010:arch_static_branch arch/x86/include/asm/jump_label.h:35 [inline]
RIP: 0010:memcg_kmem_enabled include/linux/memcontrol.h:1389 [inline]
RIP: 0010:memcg_kmem_uncharge include/linux/memcontrol.h:1401 [inline]
RIP: 0010:free_thread_stack+0x11f/0x590 kernel/fork.c:284
Code: 3e e8 e5 96 ee ff 48 c1 e8 06 48 83 e0 c0 48 bf 00 00 00 00 00 ea ff ff 48 01 c7 be 03 00 00 00 e8 06 a2 60 00 e9 5d 04 00 00 <e8> 5c 2d 2e 00 48 89 df 31 f6 e8 42 af 6e 00 43 80 3c 2e 00 74 08
RSP: 0018:ffffc90001f07608 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 1ffff11011af7cf1 RBX: ffffea000244b4c0 RCX: ffff8880a74c20c0
RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea000244b4c0
RBP: ffffc90001f07640 R08: dffffc0000000000 R09: fffffbfff120248a
R10: fffffbfff120248a R11: 0000000000000000 R12: ffff88808d7be820
R13: dffffc0000000000 R14: 1ffff11011af7d04 R15: ffff8880992615e8
 release_task_stack kernel/fork.c:440 [inline]
 put_task_stack+0xa3/0x130 kernel/fork.c:451
 finish_task_switch+0x3f1/0x550 kernel/sched/core.c:3256
 context_switch kernel/sched/core.c:3388 [inline]
 __schedule+0x9a8/0xcc0 kernel/sched/core.c:4081
 preempt_schedule_irq+0xc1/0x140 kernel/sched/core.c:4338
 retint_kernel+0x1b/0x2b
RIP: 0010:unwind_done arch/x86/include/asm/unwind.h:46 [inline]
RIP: 0010:unwind_get_return_address_ptr arch/x86/kernel/unwind_frame.c:25 [inline]
RIP: 0010:update_stack_state+0x367/0x530 arch/x86/kernel/unwind_frame.c:247
Code: 5d 98 74 08 48 89 df e8 c7 dc 7c 00 48 c7 03 00 00 00 00 b3 01 4c 8b 75 b8 48 b8 00 00 00 00 00 fc ff df 48 8b 4d a8 8a 04 01 <84> c0 0f 85 a0 00 00 00 41 83 3c 24 00 0f 84 b9 00 00 00 84 db 74
RSP: 0018:ffffc90001f07858 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: dffffc0000000000 RBX: ffffc90001f07a01 RCX: 1ffff920003e0f48
RDX: ffffc90001f07ae0 RSI: 1ffff920003e0f4a RDI: ffffc90001f07a40
RBP: ffffc90001f07900 R08: dffffc0000000000 R09: ffffc90001f07a40
R10: fffff520003e0f54 R11: 0000000000000000 R12: ffffc90001f07a40
R13: 0000000000000000 R14: ffffc90001f07a68 R15: 1ffff920003e0f50
 unwind_next_frame+0x3f1/0x7a0 arch/x86/kernel/unwind_frame.c:311
 __unwind_start+0x36a/0x440 arch/x86/kernel/unwind_frame.c:410
 unwind_start arch/x86/include/asm/unwind.h:60 [inline]
 arch_stack_walk+0x78/0xe0 arch/x86/kernel/stacktrace.c:24
 stack_trace_save+0xb6/0x150 kernel/stacktrace.c:123
 save_stack mm/kasan/common.c:71 [inline]
 set_track mm/kasan/common.c:79 [inline]
 __kasan_kmalloc+0x11c/0x1b0 mm/kasan/common.c:512
 kasan_slab_alloc+0xf/0x20 mm/kasan/common.c:520
 slab_post_alloc_hook mm/slab.h:584 [inline]
 slab_alloc mm/slab.c:3320 [inline]
 kmem_cache_alloc+0x1f5/0x2e0 mm/slab.c:3484
 sock_alloc_inode+0x1b/0xc0 net/socket.c:240
 alloc_inode fs/inode.c:230 [inline]
 new_inode_pseudo+0x68/0x240 fs/inode.c:919
 sock_alloc net/socket.c:560 [inline]
 __sock_create+0x12d/0x910 net/socket.c:1384
 sock_create net/socket.c:1471 [inline]
 __sys_socket+0xe7/0x2e0 net/socket.c:1513
 __do_sys_socket net/socket.c:1522 [inline]
 __se_sys_socket net/socket.c:1520 [inline]
 __x64_sys_socket+0x7a/0x90 net/socket.c:1520
 do_syscall_64+0xf7/0x1c0 arch/x86/entry/common.c:294
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45d1c7
Code: 00 00 00 49 89 ca b8 36 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 4a 8b fb ff c3 66 0f 1f 84 00 00 00 00 00 b8 29 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 2d 8b fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007ffebbf83b48 EFLAGS: 00000202 ORIG_RAX: 0000000000000029
RAX: ffffffffffffffda RBX: 0000000000a72200 RCX: 000000000045d1c7
RDX: 0000000000000000 RSI: 0000000000080002 RDI: 0000000000000001
RBP: 00000000004bfc03 R08: 0000000000000000 R09: 00007ffebbf83c88
R10: 0000000000000000 R11: 0000000000000202 R12: 00000000004bfc03
R13: 0000000000000000 R14: 0000000000000003 R15: 00007ffebbf83c88
rcu: rcu_preempt kthread starved for 10548 jiffies! g6653 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
rcu: RCU grace-period kthread stack dump:
rcu_preempt     R  running task    29032    10      2 0x80004000
Call Trace:
 context_switch kernel/sched/core.c:3385 [inline]
 __schedule+0x9a0/0xcc0 kernel/sched/core.c:4081
 schedule+0x181/0x210 kernel/sched/core.c:4155
 schedule_timeout+0x14f/0x240 kernel/time/timer.c:1895
 rcu_gp_fqs_loop kernel/rcu/tree.c:1661 [inline]
 rcu_gp_kthread+0xed8/0x1770 kernel/rcu/tree.c:1821
 kthread+0x332/0x350 kernel/kthread.c:255
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352