rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-...!: (1 GPs behind) idle=d31c/1/0x4000000000000000 softirq=39430/39431 fqs=0
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P10494/1:b..l
	(detected by 1, t=10505 jiffies, g=58989, q=6 ncpus=2)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 13990 Comm: syz-executor.3 Not tainted 6.2.0-rc3-syzkaller-00165-gd9fc1511728c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
RIP: 0010:kasan_check_range+0x12/0x190 mm/kasan/generic.c:188
Code: e4 ff ff 89 43 08 5b 5d c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 66 0f 1f 00 48 85 f6 0f 84 3c 01 00 00 49 89 f9 41 54 <44> 0f b6 c2 49 01 f1 55 53 0f 82 18 01 00 00 48 b8 ff ff ff ff ff
RSP: 0018:ffffc90000007a38 EFLAGS: 00000002
RAX: 0000000000000001 RBX: 1ffff92000000f50 RCX: ffffffff8162902e
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff9132fac8
RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffff9132fac8
R10: fffffbfff2265f59 R11: 0000000000000000 R12: ffff888041ddecb8
R13: 0000000000000000 R14: 0000000000000069 R15: ffff888041ddecd8
FS:  00007f8ed781d700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002018a030 CR3: 0000000077f77000 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.part.0+0xee/0x1910 kernel/locking/lockdep.c:4612
 mark_lock kernel/locking/lockdep.c:4598 [inline]
 mark_usage kernel/locking/lockdep.c:4526 [inline]
 __lock_acquire+0x14a2/0x56d0 kernel/locking/lockdep.c:5009
 lock_acquire kernel/locking/lockdep.c:5668 [inline]
 lock_acquire+0x1e3/0x630 kernel/locking/lockdep.c:5633
 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:119 [inline]
 _raw_spin_lock_irq+0x36/0x50 kernel/locking/spinlock.c:170
 __run_hrtimer kernel/time/hrtimer.c:1689 [inline]
 __hrtimer_run_queues+0x266/0xfb0 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x320/0x790 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1096 [inline]
 __sysvec_apic_timer_interrupt+0x180/0x640 arch/x86/kernel/apic/apic.c:1113
 sysvec_apic_timer_interrupt+0x92/0xc0 arch/x86/kernel/apic/apic.c:1107
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:rcu_rnp_online_cpus kernel/rcu/tree.c:225 [inline]
RIP: 0010:rcu_rdp_cpu_online kernel/rcu/tree.c:235 [inline]
RIP: 0010:rcu_lockdep_current_cpu_online kernel/rcu/tree.c:768 [inline]
RIP: 0010:rcu_lockdep_current_cpu_online+0xac/0x140 kernel/rcu/tree.c:752
Code: 03 80 3c 02 00 0f 85 87 00 00 00 48 8d 7b 18 48 8b 6b 20 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 72 <48> b8 00 00 00 00 00 fc ff df 48 8b 5b 18 48 8d 7b 70 48 89 fa 48
RSP: 0018:ffffc90005b8f600 EFLAGS: 00000246
RAX: dffffc0000000000 RBX: ffff8880b983c480 RCX: ffffffff816318d0
RDX: 1ffff11017307893 RSI: 0000000000000003 RDI: ffff8880b983c498
RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffff8e723a57
R10: fffffbfff1ce474a R11: 0000000000000000 R12: 0000000000000001
R13: 0000000000000000 R14: ffff88802cbe8d90 R15: 0000000000000000
 rcu_read_lock_held_common kernel/rcu/update.c:112 [inline]
 rcu_read_lock_held_common kernel/rcu/update.c:102 [inline]
 rcu_read_lock_sched_held+0x29/0x70 kernel/rcu/update.c:123
 trace_lock_acquire include/trace/events/lock.h:24 [inline]
 lock_acquire+0x500/0x630 kernel/locking/lockdep.c:5639
 __mutex_lock_common kernel/locking/mutex.c:603 [inline]
 __mutex_lock+0x12f/0x1360 kernel/locking/mutex.c:747
 __unix_dgram_recvmsg+0x22a/0xb90 net/unix/af_unix.c:2442
 unix_dgram_recvmsg+0xc4/0xf0 net/unix/af_unix.c:2542
 sock_recvmsg_nosec net/socket.c:995 [inline]
 ____sys_recvmsg+0x53c/0x610 net/socket.c:2693
 ___sys_recvmsg+0xf2/0x180 net/socket.c:2737
 do_recvmmsg+0x25e/0x6e0 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+0x20f/0x260 net/socket.c:2926
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f8ed6a8c0c9
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:00007f8ed781d168 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007f8ed6bac050 RCX: 00007f8ed6a8c0c9
RDX: 0000000000010106 RSI: 00000000200000c0 RDI: 0000000000000003
RBP: 00007f8ed6ae7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffda8db0cbf R14: 00007f8ed781d300 R15: 0000000000022000
 </TASK>
task:kworker/u4:62   state:R  running task     stack:27096 pid:10494 ppid:2      flags:0x00004000
Workqueue: netns cleanup_net
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5293 [inline]
 __schedule+0xb8a/0x5450 kernel/sched/core.c:6606
 preempt_schedule_irq+0x52/0xa0 kernel/sched/core.c:6918
 irqentry_exit+0x35/0x80 kernel/entry/common.c:432
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:lock_acquire+0x227/0x630 kernel/locking/lockdep.c:5636
Code: 6f 9f 7e 83 f8 01 0f 85 3a 03 00 00 9c 58 f6 c4 02 0f 85 25 03 00 00 48 83 7c 24 08 00 74 01 fb 48 b8 00 00 00 00 00 fc ff df <48> 01 c3 48 c7 03 00 00 00 00 48 c7 43 08 00 00 00 00 48 8b 84 24
RSP: 0018:ffffc9000661fa28 EFLAGS: 00000206
RAX: dffffc0000000000 RBX: 1ffff92000cc3f48 RCX: f6b2296a8175039f
RDX: 1ffff11006205566 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff9132fac7
R10: fffffbfff2265f58 R11: 0000000000000000 R12: 0000000000000002
R13: 0000000000000000 R14: ffffffff8c78eac0 R15: 0000000000000000
 rcu_lock_acquire include/linux/rcupdate.h:325 [inline]
 rcu_read_lock include/linux/rcupdate.h:764 [inline]
 inet_twsk_purge+0x132/0x8a0 net/ipv4/inet_timewait_sock.c:295
 ops_exit_list+0x125/0x170 net/core/net_namespace.c:174
 cleanup_net+0x4ee/0xb10 net/core/net_namespace.c:606
 process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289
 worker_thread+0x669/0x1090 kernel/workqueue.c:2436
 kthread+0x2e8/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>
rcu: rcu_preempt kthread timer wakeup didn't happen for 10504 jiffies! g58989 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: 	Possible timer handling issue on cpu=1 timer-softirq=38018
rcu: rcu_preempt kthread starved for 10505 jiffies! g58989 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->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:I stack:28824 pid:15    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5293 [inline]
 __schedule+0xb8a/0x5450 kernel/sched/core.c:6606
 schedule+0xde/0x1b0 kernel/sched/core.c:6682
 schedule_timeout+0x14e/0x2a0 kernel/time/timer.c:2167
 rcu_gp_fqs_loop+0x190/0x910 kernel/rcu/tree.c:1656
 rcu_gp_kthread+0x23a/0x360 kernel/rcu/tree.c:1855
 kthread+0x2e8/0x3a0 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: 13984 Comm: syz-executor.2 Not tainted 6.2.0-rc3-syzkaller-00165-gd9fc1511728c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
RIP: 0010:csd_lock_wait kernel/smp.c:413 [inline]
RIP: 0010:smp_call_function_many_cond+0x43f/0x10a0 kernel/smp.c:987
Code: e6 e8 05 fb 0a 00 45 85 e4 74 48 48 8b 04 24 49 89 c5 83 e0 07 49 c1 ed 03 49 89 c4 4d 01 fd 41 83 c4 03 e8 33 fe 0a 00 f3 90 <41> 0f b6 45 00 41 38 c4 7c 08 84 c0 0f 85 4e 0a 00 00 8b 43 08 31
RSP: 0018:ffffc90005bbf980 EFLAGS: 00000246
RAX: 0000000000040000 RBX: ffffe8ffffc0bee0 RCX: ffffc9000dc56000
RDX: 0000000000040000 RSI: ffffffff817575ad RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000003
R13: fffff91ffff817dd R14: 0000000000000001 R15: dffffc0000000000
FS:  00007f9e369fd700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31e23000 CR3: 0000000021c57000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 clock_was_set+0x615/0x870 kernel/time/hrtimer.c:974
 timekeeping_inject_offset+0x4b4/0x620 kernel/time/timekeeping.c:1395
 do_adjtimex+0x333/0xa40 kernel/time/timekeeping.c:2444
 do_clock_adjtime kernel/time/posix-timers.c:1118 [inline]
 __do_sys_clock_adjtime+0x163/0x270 kernel/time/posix-timers.c:1130
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f9e35c8c0c9
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:00007f9e369fd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000131
RAX: ffffffffffffffda RBX: 00007f9e35dabf80 RCX: 00007f9e35c8c0c9
RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000000
RBP: 00007f9e35ce7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffde5c3294f R14: 00007f9e369fd300 R15: 0000000000022000
 </TASK>