rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-...!: (10500 ticks this GP) idle=b914/1/0x4000000000000000 softirq=14703/1861728 fqs=2
rcu: 	(t=10500 jiffies g=6097 q=645 ncpus=2)
rcu: rcu_preempt kthread starved for 10496 jiffies! g6097 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->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:R  running task     stack:27128 pid:16    tgid:16    ppid:2      task_flags:0x208040 flags:0x00004000
Call Trace:
 <TASK>
 __schedule+0x16f5/0x4d00
 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>
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 5944 Comm: syz.1.15 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:kasan_check_range+0x9b/0x2c0
Code: 01 00 00 00 00 fc ff df 4d 8d 34 19 4d 89 f4 4d 29 dc 49 83 fc 10 7f 29 4d 85 e4 0f 84 41 01 00 00 4c 89 cb 48 f7 d3 4c 01 fb <41> 80 3b 00 0f 85 de 01 00 00 49 ff c3 48 ff c3 75 ee e9 21 01 00
RSP: 0018:ffffc90003b9f9a8 EFLAGS: 00000286
RAX: 0000000000000001 RBX: ffffffffffffffff RCX: ffffffff8b71360c
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88801dcbe3b8
RBP: ffffc90003b9fad8 R08: ffff88801dcbe3bb R09: 1ffff11003b97c77
R10: dffffc0000000000 R11: ffffed1003b97c77 R12: 0000000000000001
R13: 0000000000000001 R14: ffffed1003b97c78 R15: 1ffff11003b97c77
FS:  00007f3dc2c6c6c0(0000) GS:ffff8880b861f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c2496f2 CR3: 0000000026d08000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 native_queued_spin_lock_slowpath+0xbc/0x8e0
 queued_spin_lock_slowpath+0x43/0x50
 do_raw_spin_lock+0x21f/0x290
 d_instantiate+0x64/0xa0
 alloc_file_pseudo+0xf6/0x210
 anon_inode_getfile+0xc5/0x1a0
 __se_sys_perf_event_open+0xf20/0x1d70
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3dc1d8e9a9
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:00007f3dc2c6c038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f3dc1fb5fa0 RCX: 00007f3dc1d8e9a9
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000200000000100
RBP: 00007f3dc1e10d69 R08: 0000000000000009 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f3dc1fb5fa0 R15: 00007ffc1a20a508
 </TASK>
CPU: 1 UID: 0 PID: 5934 Comm: syz.0.12 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:check_preemption_disabled+0x17/0x120
Code: 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 41 57 41 56 53 48 83 ec 10 65 48 8b 05 ee 5d 31 07 48 89 44 24 08 <65> 8b 05 f6 5d 31 07 65 8b 0d eb 5d 31 07 f7 c1 ff ff ff 7f 74 23
RSP: 0018:ffffc900001e06d8 EFLAGS: 00000286
RAX: 9b7f7b1b501a1f00 RBX: 0000000000000000 RCX: 0000000000000104
RDX: ffff88801fa61cc0 RSI: ffffffff8be29f20 RDI: ffffffff8be29ee0
RBP: ffffc900001e0838 R08: ffffc900001e07cf R09: 0000000000000000
R10: ffffc900001e07c0 R11: fffff5200003c0fa R12: 0000000000000001
R13: ffffc900001e07c0 R14: ffff88801fd78080 R15: ffffffff8e00e2c8
FS:  00007fc2c8eb96c0(0000) GS:ffff8881a3c1f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4574d52d58 CR3: 000000002323a000 CR4: 00000000000006f0
Call Trace:
 <IRQ>
 rcu_lockdep_current_cpu_online+0x37/0x120
 rcu_read_lock_held+0x1e/0x50
 trace_call_bpf+0x1f4/0x850
 perf_trace_run_bpf_submit+0x78/0x170
 perf_trace_lock+0x2f8/0x3b0
 lock_release+0x3b2/0x3e0
 bpf_trace_run1+0x318/0x4b0
 __bpf_trace_rcu_utilization+0xa1/0xf0
 trace_rcu_utilization+0x1ad/0x1d0
 rcu_core+0x1336/0x1710
 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:rcu_read_unlock_special+0x87/0x4c0
Code: f1 f1 f1 00 f2 f2 f2 4a 89 04 2b 66 42 c7 44 2b 09 f3 f3 42 c6 44 2b 0b f3 65 44 8b 35 62 2c f8 10 41 f7 c6 00 00 f0 00 74 49 <48> c7 44 24 40 0e 36 e0 45 4a c7 04 2b 00 00 00 00 66 42 c7 44 2b
RSP: 0018:ffffc90003befae0 EFLAGS: 00000206
RAX: 9b7f7b1b501a1f00 RBX: 1ffff9200077df64 RCX: 9b7f7b1b501a1f00
RDX: 0000000000000006 RSI: ffffffff8d99883e RDI: ffffffff8be29f40
RBP: ffffc90003befbd0 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: 0000000000000000
R13: dffffc0000000000 R14: 0000000000000246 R15: ffffffff8e144560
 __rcu_read_unlock+0x84/0xe0
 dput+0x197/0x2b0
 __fput+0x68e/0xa70
 task_work_run+0x1d4/0x260
 do_exit+0x6b5/0x22e0
 __x64_sys_exit+0x40/0x40
 x64_sys_call+0x21a3/0x21c0
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc2c7f8e9a9
Code: Unable to access opcode bytes at 0x7fc2c7f8e97f.
RSP: 002b:00007fc2c8eb8fe8 EFLAGS: 00000246 ORIG_RAX: 000000000000003c
RAX: ffffffffffffffda RBX: 00007fc2c81b5fa0 RCX: 00007fc2c7f8e9a9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fc2c8010d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fc2c81b5fa0 R15: 00007ffc70ffa3f8
 </TASK>
