rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10149 ticks this GP) idle=75c4/1/0x4000000000000000 softirq=17052/19909 fqs=5246
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1105155       3453            0
rcu: 	cputime:    24449      28011          108   ==> 52500(ms)
rcu: 	(t=10502 jiffies g=9757 q=1575 ncpus=2)
CPU: 0 UID: 0 PID: 6412 Comm: syz.1.233 Not tainted 6.16.0-rc6-syzkaller-00411-g95993dc3039e-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:get_random_u32+0x4e7/0x940
Code: e3 00 02 00 00 75 7e e8 f7 f5 75 fc 48 8b 5c 24 28 4d 85 ff 75 07 e8 e8 f5 75 fc eb 06 e8 e1 f5 75 fc fb 8b 84 24 00 01 00 00 <48> c7 44 24 40 0e 36 e0 45 42 c7 04 23 00 00 00 00 4a c7 44 23 0c
RSP: 0018:ffffc900000079c0 EFLAGS: 00000246
RAX: 0000000011c3797d RBX: 1ffff92000000f40 RCX: ffff88802fa59cc0
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000007b40 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: dffffc0000000000
R13: 0000000000000014 R14: ffff88804b036230 R15: 0000000000000200
FS:  00007f1d9c6726c0(0000) GS:ffff8880b861f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c29acc8 CR3: 0000000029024000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 __get_random_u32_below+0x14/0x90
 mrp_join_timer+0x10c/0x170
 call_timer_fn+0x17e/0x5f0
 __run_timer_base+0x61a/0x860
 run_timer_softirq+0xb7/0x180
 handle_softirqs+0x286/0x870
 __irq_exit_rcu+0xca/0x1f0
 irq_exit_rcu+0x9/0x30
 sysvec_irq_work+0xa3/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_irq_work+0x1a/0x20
RIP: 0010:preempt_schedule_irq+0xb0/0x150
Code: 24 20 f6 44 24 21 02 74 0c 90 0f 0b 48 f7 03 08 00 00 00 74 64 bf 01 00 00 00 e8 8b 2d 21 f6 e8 c6 00 58 f6 fb bf 01 00 00 00 <e8> 1b ab ff ff 48 c7 44 24 40 00 00 00 00 9c 8f 44 24 40 8b 44 24
RSP: 0018:ffffc90002fafa60 EFLAGS: 00000286
RAX: 46cf34797681c600 RBX: 0000000000000000 RCX: 46cf34797681c600
RDX: 0000000000000000 RSI: ffffffff8d99883e RDI: 0000000000000001
RBP: ffffc90002fafb10 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff920005f5f4c
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:__sanitizer_cov_trace_pc+0x3c/0x70
Code: 8b 15 28 e7 df 10 81 e2 00 01 ff 00 74 11 81 fa 00 01 00 00 75 35 83 b9 3c 16 00 00 00 74 2c 8b 91 18 16 00 00 83 fa 02 75 21 <48> 8b 91 20 16 00 00 48 8b 32 48 8d 7e 01 8b 89 1c 16 00 00 48 39
RSP: 0018:ffffc90002fafbd8 EFLAGS: 00000246
RAX: ffffffff82372e4c RBX: 1ffff11005f4b4b2 RCX: ffff88802fa59cc0
RDX: 0000000000000002 RSI: 0000000000000c51 RDI: 0000000000000c52
RBP: ffffc90002fafdb0 R08: ffffc90002fafc2f R09: 0000000000000000
R10: ffffc90002fafc20 R11: fffff520005f5f86 R12: dffffc0000000000
R13: ffff888026e4f400 R14: ffff88802fa5a590 R15: ffffc90002fafe00
 do_filp_open+0x20c/0x410
 do_sys_openat2+0x121/0x1c0
 __x64_sys_openat+0x138/0x170
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1d9b78e9a9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f1d9c672038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f1d9b9b6080 RCX: 00007f1d9b78e9a9
RDX: 0000000000000000 RSI: 0000200000000240 RDI: ffffffffffffff9c
RBP: 00007f1d9b810d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f1d9b9b6080 R15: 00007ffd0dd95238
 </TASK>
sched: DL replenish lagged too much
