clocksource: Long readout interval, skipping watchdog check: cs_nsec: 30179623718 wd_nsec: 30179621757
rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10499 ticks this GP) idle=f304/1/0x4000000000000000 softirq=58714/75611 fqs=4595
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1223721       7037            0
rcu: 	cputime:    24402      28013          135   ==> 52490(ms)
rcu: 	(t=10500 jiffies g=48061 q=1607 ncpus=2)
CPU: 0 UID: 0 PID: 16687 Comm: syz.9.4738 Not tainted 6.16.0-syzkaller-06600-g1dbf1d590d10 #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+0x40/0x120
Code: 08 65 8b 05 c6 1d 2a 07 65 8b 0d bb 1d 2a 07 f7 c1 ff ff ff 7f 74 23 65 48 8b 0d 9b 1d 2a 07 48 3b 4c 24 08 0f 85 cc 00 00 00 <48> 83 c4 10 5b 41 5e 41 5f 5d e9 81 ca 02 00 cc 48 c7 04 24 00 00
RSP: 0018:ffffc90000007b88 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 39c161a5019e1700
RDX: 0000000000000000 RSI: ffffffff8be309e0 RDI: ffffffff8be309a0
RBP: ffffc90000007e30 R08: ffffffff8fa07bf7 R09: 1ffffffff1f40f7e
R10: dffffc0000000000 R11: fffffbfff1f40f7f R12: dffffc0000000000
R13: 1ffff110096075ea R14: ffff88804b03af40 R15: ffffffff8e1417c0
FS:  00007faa737206c0(0000) GS:ffff8880b8680000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007faa72bb5f80 CR3: 0000000046982000 CR4: 00000000000006f0
DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 trace_rcu_utilization+0x47/0x1d0
 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: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 eb 1f 1f f6 e8 c6 48 56 f6 fb bf 01 00 00 00 <e8> eb aa ff ff 48 c7 44 24 40 00 00 00 00 9c 8f 44 24 40 8b 44 24
RSP: 0018:ffffc90002b7f640 EFLAGS: 00000286
RAX: 39c161a5019e1700 RBX: 0000000000000000 RCX: 39c161a5019e1700
RDX: 0000000000000007 RSI: ffffffff8d9792e3 RDI: 0000000000000001
RBP: ffffc90002b7f6f0 R08: ffffffff8fa07bf7 R09: 1ffffffff1f40f7e
R10: dffffc0000000000 R11: fffffbfff1f40f7f R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff9200056fec8
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:netfilter_net_init+0x4/0x360
Code: f5 1f f8 90 0f 0b 90 eb 8e 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa <41> 57 41 56 41 54 53 48 89 fb 49 bc 00 00 00 00 00 fc ff df e8 63
RSP: 0018:ffffc90002b7f7b8 EFLAGS: 00000286
RAX: 1ffffffff1eaed86 RBX: ffff88802c378000 RCX: ffff888024c69cc0
RDX: 0000000000000000 RSI: ffff88802c378000 RDI: ffff88802c378000
RBP: ffffc90002b7f8f0 R08: ffff88802c3782d7 R09: 0000000000000000
R10: ffff88802c3782c0 R11: ffffffff899fbb30 R12: ffffffff8f576c30
R13: 0000000000000000 R14: dffffc0000000000 R15: ffff88802c378000
 ops_init+0x35c/0x5c0
 setup_net+0x10c/0x320
 copy_net_ns+0x31b/0x4d0
 create_new_namespaces+0x3f3/0x720
 copy_namespaces+0x438/0x4b0
 copy_process+0x1733/0x3c00
 kernel_clone+0x21e/0x840
 __x64_sys_clone+0x18b/0x1e0
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7faa7298eb69
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:00007faa7371ffe8 EFLAGS: 00000206 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007faa72bb6080 RCX: 00007faa7298eb69
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000400
RBP: 00007faa72a11df1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 0000000000000000 R14: 00007faa72bb6080 R15: 00007fff91ffa1b8
 </TASK>
