clocksource: Long readout interval, skipping watchdog check: cs_nsec: 93363221887 wd_nsec: 93363221616
rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (10496 ticks this GP) idle=9f1c/1/0x4000000000000000 softirq=16848/16850 fqs=4516
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1313780          3            0
rcu: 	cputime:    35886      16602           47   ==> 52490(ms)
rcu: 	(t=10500 jiffies g=7957 q=5103 ncpus=2)
CPU: 1 UID: 0 PID: 6297 Comm: syz.2.123 Not tainted 6.16.0-syzkaller-11113-gf3af62b6cee8 #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:lock_acquire+0x175/0x360
Code: 00 00 00 00 9c 8f 44 24 30 f7 44 24 30 00 02 00 00 0f 85 cd 00 00 00 f7 44 24 08 00 02 00 00 74 01 fb 65 48 8b 05 3b 06 02 11 <48> 3b 44 24 58 0f 85 f2 00 00 00 48 83 c4 60 5b 41 5c 41 5d 41 5e
RSP: 0018:ffffc900001e09c0 EFLAGS: 00000206
RAX: dfa4e32218b5a700 RBX: 0000000000000000 RCX: dfa4e32218b5a700
RDX: 0000000000000000 RSI: ffffffff8dba01e6 RDI: ffffffff8be2fd00
RBP: ffffffff8963b695 R08: 0000000000000000 R09: ffffffff8963b695
R10: 0000000000000003 R11: 0000000000000100 R12: 0000000000000000
R13: ffff88813663ba68 R14: 0000000000000001 R15: 0000000000000246
FS:  00007f31d89f06c0(0000) GS:ffff8881a3c2a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000099000 CR3: 00000001126d2000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 process_backlog+0x7ba/0x14f0
 __napi_poll+0xc7/0x360
 net_rx_action+0x707/0xe30
 handle_softirqs+0x286/0x870
 __irq_exit_rcu+0xca/0x1f0
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:tracing_gen_ctx_irq_test+0x0/0x160
Code: 8c 6c ff ff ff 4c 89 f7 e8 8d 1e 5f 00 e9 5f ff ff ff 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <66> 0f 1f 00 55 41 57 41 56 41 55 41 54 53 89 fb e8 2b cb fb ff 65
RSP: 0018:ffffc90006bc6df8 EFLAGS: 00000293
RAX: ffffffff81c923d7 RBX: ffffe8ffffc4c060 RCX: ffff88803e5a0000
RDX: 0000000000000000 RSI: 0000000000000200 RDI: 0000000000000000
RBP: ffffc90006bc6eb0 R08: ffffc90006bc708f R09: 0000000000000000
R10: ffffc90006bc7080 R11: fffff52000d78e12 R12: dffffc0000000000
R13: 1ffff92000d78dc4 R14: 00000000000000ec R15: 0000000000000000
 perf_trace_buf_update+0x9f/0x220
 perf_tp_event+0xf6/0x1380
 perf_trace_run_bpf_submit+0xee/0x170
 perf_trace_lock+0x2f8/0x3b0
 lock_release+0x3b2/0x3e0
 unwind_next_frame+0x19a9/0x2390
 __unwind_start+0x5b9/0x760
 arch_stack_walk+0xe4/0x150
 stack_trace_save+0x9c/0xe0
 kasan_save_stack+0x3e/0x60
 kasan_record_aux_stack+0xbd/0xd0
 kmem_cache_free+0x2f6/0x400
 __fput_deferred+0x227/0x390
 fput_close+0x119/0x200
 path_openat+0x313c/0x3830
 do_filp_open+0x1fa/0x410
 do_sys_openat2+0x121/0x1c0
 __x64_sys_openat+0x138/0x170
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f31d7b8d550
Code: 48 89 44 24 20 75 93 44 89 54 24 0c e8 49 94 02 00 44 8b 54 24 0c 89 da 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 38 44 89 c7 89 44 24 0c e8 9c 94 02 00 8b 44
RSP: 002b:00007f31d89eff10 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f31d7b8d550
RDX: 0000000000000002 RSI: 00007f31d89effa0 RDI: 00000000ffffff9c
RBP: 00007f31d89effa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 00007f31d7db6128 R14: 00007f31d7db6090 R15: 00007ffd9b574678
 </TASK>
sched: DL replenish lagged too much
