rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P6376
rcu: 	(detected by 1, t=10502 jiffies, g=10561, q=470 ncpus=2)
task:syz.1.133       state:R  running task     stack:24264 pid:6376  tgid:6376  ppid:5830   task_flags:0x400040 flags:0x0000400a
Call Trace:
 <IRQ>
 sched_show_task+0x49d/0x630
 print_other_cpu_stall+0xfa6/0x1370
 rcu_sched_clock_irq+0x9d1/0x1090
 update_process_times+0x23c/0x2f0
 tick_nohz_handler+0x39a/0x520
 __hrtimer_run_queues+0x4e0/0xc60
 hrtimer_interrupt+0x45b/0xaa0
 __sysvec_apic_timer_interrupt+0x10b/0x410
 sysvec_apic_timer_interrupt+0x52/0xc0
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:__sanitizer_cov_trace_pc+0x5d/0x70
Code: 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 cf 73 08 48 89 3a 48 89 44 f2 08 <e9> 4e 3a b1 09 cc 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90
RSP: 0018:ffffc900001e03e8 EFLAGS: 00000246
RAX: ffffffff81c3f70b RBX: ffff8881006ed7f4 RCX: ffff8881094e8000
RDX: 0000000000000100 RSI: ffffffff8e1946a0 RDI: 0000000000000004
RBP: 0000002bd7df2773 R08: ffff8881094e8000 R09: 0000000000000020
R10: 000000000000001f R11: 0000000000000100 R12: ffff8881006ed010
R13: ffff8881006ed010 R14: 0000002bd7df5c9d R15: 00000000000007f8
 rb_read_data_buffer+0x44b/0x580
 check_buffer+0x28a/0x750
 __rb_reserve_next+0x592/0xdb0
 ring_buffer_lock_reserve+0xbb5/0x1010
 trace_event_buffer_lock_reserve+0x1d0/0x6f0
 trace_event_buffer_reserve+0x248/0x340
 trace_event_raw_event_bpf_trace_printk+0x100/0x260
 trace_bpf_trace_printk+0x170/0x1d0
 bpf_trace_printk+0x11e/0x190
 bpf_prog_9e1c00255e17e72e+0x39/0x3f
 bpf_trace_run1+0x27f/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:ffffc90006ba7c20 EFLAGS: 00000206
RAX: 444f050dfb0e0700 RBX: 1ffff92000d74f8c RCX: 444f050dfb0e0700
RDX: 0000000000000006 RSI: ffffffff8d99883e RDI: ffffffff8be29f40
RBP: ffffc90006ba7d10 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
 exit_to_user_mode_loop+0xec/0x110
 do_syscall_64+0x2bd/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fee6c78e9a9
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:00007ffdb6aab878 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007fee6c9b7ba0 RCX: 00007fee6c78e9a9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007fee6c9b7ba0 R08: 0000000000000204 R09: 0000001cb6aabb6f
R10: 00000000003ffbd8 R11: 0000000000000246 R12: 00000000000146e0
R13: 00007fee6c9b6160 R14: ffffffffffffffff R15: 00007ffdb6aab990
 </TASK>
rcu: rcu_preempt kthread starved for 10476 jiffies! g10561 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:26152 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: 6325 Comm: syz.0.117 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:native_queued_spin_lock_slowpath+0xcb/0x8e0
Code: 41 bd 01 00 00 00 eb 06 89 44 24 60 f3 90 48 89 df be 04 00 00 00 e8 64 26 b2 f6 48 b8 00 00 00 00 00 fc ff df 41 0f b6 04 07 <84> c0 75 35 8b 03 89 44 24 60 85 c0 75 d4 48 89 df be 04 00 00 00
RSP: 0018:ffffc90006877700 EFLAGS: 00000256
RAX: 0000000000000000 RBX: ffff88801dc46dc8 RCX: ffffffff8b71260c
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88801dc46dc8
RBP: ffffc900068777f8 R08: ffff88801dc46dcb R09: 1ffff11003b88db9
R10: dffffc0000000000 R11: ffffed1003b88dba R12: 1ffff92000d0eee8
R13: 0000000000000001 R14: ffffc90006877760 R15: 1ffff11003b88db9
FS:  00007fecbf3d26c0(0000) GS:ffff8880b861f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbcf8c14fc8 CR3: 000000010a5dc000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 queued_spin_lock_slowpath+0x43/0x50
 do_raw_spin_lock+0x21f/0x290
 lock_for_kill+0xdc/0x210
 dput+0x18a/0x2b0
 __fput+0x68e/0xa70
 task_work_run+0x1d4/0x260
 do_exit+0x6b5/0x22e0
 do_group_exit+0x21c/0x2d0
 get_signal+0x1286/0x1340
 arch_do_signal_or_restart+0x9a/0x750
 irqentry_exit_to_user_mode+0x81/0x120
 exc_general_protection+0x171/0x200
 asm_exc_general_protection+0x26/0x30
RIP: 0033:0x7fecbe58e9b1
Code: Unable to access opcode bytes at 0x7fecbe58e987.
RSP: 002b:0000200000000300 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007fecbe7b6160 RCX: 00007fecbe58e9a9
RDX: 0000200000000000 RSI: 0000200000000300 RDI: 0000000000005000
RBP: 00007fecbe610d69 R08: 0000200000000380 R09: 0000200000000380
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fecbe7b6160 R15: 00007ffd27db0558
 </TASK>
