rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-...!: (0 ticks this GP) idle=1fcc/1/0x4000000000000000 softirq=116612/116612 fqs=0
rcu: 	(detected by 1, t=10502 jiffies, g=102637, q=887 ncpus=2)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 25352 Comm: syz.1.8003 Not tainted 6.17.0-rc1-syzkaller-00036-gdfc0f6373094-dirty #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:kasan_byte_accessible+0x16/0x30
Code: 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 48 c1 ef 03 48 b8 00 00 00 00 00 fc ff df 0f b6 04 07 <3c> 08 0f 92 c0 c3 cc cc cc cc cc 66 66 66 66 66 66 2e 0f 1f 84 00
RSP: 0000:ffffc9000174fae0 EFLAGS: 00000806
RAX: 0000000000000000 RBX: ffffffff8b7bcb2e RCX: e8918c2d03596e00
RDX: 0000000000000000 RSI: ffffffff8b7bcb2e RDI: 1ffff11005d48260
RBP: ffffffff899a5e04 R08: 0000000000000001 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffffff899a5d40 R12: 0000000000000000
R13: ffff88802ea41300 R14: ffff88802ea41300 R15: 0000000000000001
FS:  0000555578f71500(0000) GS:ffff8880b861c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c260be8 CR3: 000000010fc7c000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 __kasan_check_byte+0x12/0x40
 lock_acquire+0x8d/0x360
 _raw_spin_lock+0x2e/0x40
 advance_sched+0xc4/0xc90
 __hrtimer_run_queues+0x52c/0xc60
 hrtimer_interrupt+0x45b/0xaa0
 __sysvec_apic_timer_interrupt+0x10b/0x410
 sysvec_apic_timer_interrupt+0x52/0xc0
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0033:0x7f1bde46ebe4
Code: 82 b5 03 00 00 c6 44 24 1e 01 45 31 ff 45 31 f6 44 0f b6 e6 85 c0 0f 84 9e 00 00 00 44 89 f9 49 8b 50 40 4c 89 f0 49 03 14 ca <80> 3d bd 91 34 00 00 49 89 d6 48 89 d5 74 28 25 ff 0f 00 00 83 f0
RSP: 002b:00007ffe9f91dea0 EFLAGS: 00000286
RAX: ffffffff822c6d68 RBX: 00007f1bdf2e5720 RCX: 0000000000047acf
RDX: ffffffff822e2e66 RSI: ffffffff822c6d68 RDI: 0000000000000000
RBP: ffffffff822c6d68 R08: 00007f1bde7b6038 R09: 00007f1bde7a2000
R10: 00007f1bddfff008 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: ffffffff822c6d68 R15: 0000000000047acf
 </TASK>
rcu: rcu_preempt kthread timer wakeup didn't happen for 10501 jiffies! g102637 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: 	Possible timer handling issue on cpu=0 timer-softirq=49301
rcu: rcu_preempt kthread starved for 10502 jiffies! g102637 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->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:I stack:27160 pid:16    tgid:16    ppid:2      task_flags:0x208040 flags:0x00004000
Call Trace:
 <TASK>
 __schedule+0x1798/0x4cc0
 schedule+0x165/0x360
 schedule_timeout+0x12b/0x270
 rcu_gp_fqs_loop+0x301/0x1540
 rcu_gp_kthread+0x99/0x390
 kthread+0x711/0x8a0
 ret_from_fork+0x3fc/0x770
 ret_from_fork_asm+0x1a/0x30
 </TASK>
