rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-...!: (2 ticks this GP) idle=a3d4/1/0x4000000000000000 softirq=42694/42694 fqs=1
	(detected by 1, t=10506 jiffies, g=59513, q=100 ncpus=2)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 14142 Comm: syz-executor.5 Not tainted 6.2.0-rc6-syzkaller-00163-g66a87fff1a87 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
RIP: 0010:kasan_check_range+0x1/0x2e0 mm/kasan/generic.c:188
Code: c6 48 89 c7 e8 c0 ac e4 08 31 c0 c3 0f 0b b8 ea ff ff ff c3 0f 0b b8 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc cc 55 <41> 57 41 56 53 b0 01 48 85 f6 0f 84 ed 01 00 00 48 89 fd 48 01 f5
RSP: 0018:ffffc90000007970 EFLAGS: 00000046
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff816be98a
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff9097b180
RBP: 0000000000000008 R08: dffffc0000000000 R09: fffffbfff212f631
R10: fffffbfff212f631 R11: 1ffffffff212f630 R12: ffff88802437c530
R13: dffffc0000000000 R14: 0000000000000100 R15: ffff88802437c530
FS:  00007fb552a36700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000202c4030 CR3: 0000000022700000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 instrument_atomic_read include/linux/instrumented.h:72 [inline]
 _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
 hlock_class kernel/locking/lockdep.c:227 [inline]
 mark_lock+0x9a/0x350 kernel/locking/lockdep.c:4612
 mark_usage kernel/locking/lockdep.c:4555 [inline]
 __lock_acquire+0xc7d/0x1f60 kernel/locking/lockdep.c:5009
 lock_acquire+0x1a7/0x400 kernel/locking/lockdep.c:5668
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0xd1/0x120 kernel/locking/spinlock.c:162
 debug_object_activate+0x96/0x6e0 lib/debugobjects.c:665
 debug_hrtimer_activate kernel/time/hrtimer.c:420 [inline]
 debug_activate kernel/time/hrtimer.c:475 [inline]
 enqueue_hrtimer kernel/time/hrtimer.c:1084 [inline]
 __run_hrtimer kernel/time/hrtimer.c:1702 [inline]
 __hrtimer_run_queues+0x595/0xa60 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x3a6/0xfd0 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1096 [inline]
 __sysvec_apic_timer_interrupt+0xf9/0x280 arch/x86/kernel/apic/apic.c:1113
 sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1107
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:check_kcov_mode kernel/kcov.c:175 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x2d/0x60 kernel/kcov.c:207
Code: 24 65 48 8b 0c 25 40 98 03 00 65 8b 15 84 de 76 7e f7 c2 00 01 ff 00 74 11 f7 c2 00 01 00 00 74 35 83 b9 6c 15 00 00 00 74 2c <8b> 91 48 15 00 00 83 fa 02 75 21 48 8b 91 50 15 00 00 48 8b 32 48
RSP: 0018:ffffc90014e67340 EFLAGS: 00000246
RAX: ffffffff81d3f55d RBX: 0000000000000000 RCX: ffff88802437ba80
RDX: 0000000080000001 RSI: 0000000000000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff81d3f4b7 R09: fffff9400024d531
R10: fffff9400024d531 R11: 1ffffd400024d530 R12: ffffea000126a980
R13: 00000000000202c4 R14: 1ffffd400024d531 R15: ffff88802a8d4bb1
 SetPageAnonExclusive include/linux/page-flags.h:1008 [inline]
 __page_set_anon_rmap+0x3bd/0x8a0 mm/rmap.c:1175
 wp_page_copy+0xa9b/0x15a0 mm/memory.c:3157
 handle_pte_fault mm/memory.c:4949 [inline]
 __handle_mm_fault mm/memory.c:5073 [inline]
 handle_mm_fault+0x1b89/0x26c0 mm/memory.c:5219
 do_user_addr_fault+0x69b/0xcb0 arch/x86/mm/fault.c:1428
 handle_page_fault arch/x86/mm/fault.c:1519 [inline]
 exc_page_fault+0x7a/0x120 arch/x86/mm/fault.c:1575
 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:570
RIP: 0010:__put_user_nocheck_4+0x3/0x10 arch/x86/lib/putuser.S:105
Code: 01 ca c3 0f 1f 40 00 48 bb fd ef ff ff ff 7f 00 00 48 39 d9 73 54 0f 01 cb 89 01 31 c9 0f 01 ca c3 66 0f 1f 44 00 00 0f 01 cb <89> 01 31 c9 0f 01 ca c3 0f 1f 44 00 00 48 bb f9 ef ff ff ff 7f 00
RSP: 0018:ffffc90014e67938 EFLAGS: 00050202
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00000000202c4030
RDX: ffff88802437ba80 RSI: 0000000000000002 RDI: 00000000ffffffff
RBP: ffffc90014e67ab0 R08: ffffffff88abb35a R09: fffff520029ccee5
R10: fffff520029ccee5 R11: 1ffff920029ccee4 R12: 0000000000000002
R13: 00000000202c4000 R14: 0000000000000000 R15: ffffffff897f2850
 ____sys_recvmsg+0x360/0x530 net/socket.c:2708
 ___sys_recvmsg net/socket.c:2737 [inline]
 do_recvmmsg+0x490/0xb20 net/socket.c:2831
 __sys_recvmmsg net/socket.c:2910 [inline]
 __do_sys_recvmmsg net/socket.c:2933 [inline]
 __se_sys_recvmmsg net/socket.c:2926 [inline]
 __x64_sys_recvmmsg+0x195/0x240 net/socket.c:2926
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fb551c8c0c9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb552a36168 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007fb551dac050 RCX: 00007fb551c8c0c9
RDX: 0000000000010106 RSI: 00000000200000c0 RDI: 0000000000000003
RBP: 00007fb551ce7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc8c760abf R14: 00007fb552a36300 R15: 0000000000022000
 </TASK>
rcu: rcu_preempt kthread starved for 10503 jiffies! g59513 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
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:26488 pid:16    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5293 [inline]
 __schedule+0x9d1/0xe40 kernel/sched/core.c:6606
 schedule+0xcb/0x190 kernel/sched/core.c:6682
 schedule_timeout+0x1b9/0x300 kernel/time/timer.c:2167
 rcu_gp_fqs_loop+0x309/0x1070 kernel/rcu/tree.c:1656
 rcu_gp_kthread+0xa5/0x390 kernel/rcu/tree.c:1855
 kthread+0x266/0x300 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
CPU: 1 PID: 14147 Comm: syz-executor.2 Not tainted 6.2.0-rc6-syzkaller-00163-g66a87fff1a87 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
RIP: 0010:csd_lock_wait kernel/smp.c:413 [inline]
RIP: 0010:smp_call_function_many_cond+0xe92/0x1420 kernel/smp.c:987
Code: 84 c0 75 74 45 8b 26 44 89 e6 83 e6 01 31 ff e8 e4 54 0b 00 41 83 e4 01 75 0e e8 b9 50 0b 00 eb 4c 0f 1f 80 00 00 00 00 f3 90 <48> b8 00 00 00 00 00 fc ff df 0f b6 04 03 84 c0 75 10 41 f7 06 01
RSP: 0018:ffffc9001588fc00 EFLAGS: 00000246
RAX: ffffffff81816922 RBX: 1ffff1101730852d RCX: 0000000000040000
RDX: ffffc9000c924000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffffc9001588fd88 R08: ffffffff818168ec R09: fffffbfff212f657
R10: fffffbfff212f657 R11: 1ffffffff212f656 R12: 0000000000000001
R13: 0000000000000000 R14: ffff8880b9842968 R15: ffff8880b993b280
FS:  00007fd324446700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2d570d56be CR3: 0000000077aa2000 CR4: 00000000003526e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 on_each_cpu_cond_mask+0x3b/0x80 kernel/smp.c:1155
 on_each_cpu include/linux/smp.h:71 [inline]
 hardware_enable_all+0x77/0x120 arch/x86/kvm/../../../virt/kvm/kvm_main.c:5177
 kvm_create_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:1205 [inline]
 kvm_dev_ioctl_create_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:5023 [inline]
 kvm_dev_ioctl+0xef4/0x1610 arch/x86/kvm/../../../virt/kvm/kvm_main.c:5065
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:870 [inline]
 __se_sys_ioctl+0xfb/0x170 fs/ioctl.c:856
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fd32368c0c9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd324446168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fd3237abf80 RCX: 00007fd32368c0c9
RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 0000000000000003
RBP: 00007fd3236e7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff90657f8f R14: 00007fd324446300 R15: 0000000000022000
 </TASK>