nfs4: Unknown parameter 'smackfsdef'
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rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-....: (1 GPs behind) idle=30c4/1/0x4000000000000000 softirq=257552/257553 fqs=20875
rcu: 	(detected by 1, t=105002 jiffies, g=173297, q=52767 ncpus=2)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 4446 Comm: syz-executor.6 Not tainted 6.4.0-next-20230706 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:default_send_IPI_self+0x29/0xf0
Code: 90 f3 0f 1e fa 55 53 83 ff 02 74 61 a0 60 f8 eb ff ff fb ff ff 89 fb 84 c0 74 08 3c 03 0f 8e 97 00 00 00 8b 04 25 00 c3 5f ff <48> bd 60 f8 eb ff ff fb ff ff f6 c4 10 74 1e f3 90 0f b6 45 00 84
RSP: 0018:ffff88806ce092e8 EFLAGS: 00000046
RAX: 00000000000400f6 RBX: 00000000000000f6 RCX: 0000000000000100
RDX: 1ffffffff0a5bda3 RSI: ffffffff8159ce2c RDI: 00000000000000f6
RBP: ffffffff852decc0 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
R13: ffff88806ce3a2f0 R14: 0000000000000000 R15: 0000000000000000
FS:  00007ff28d180700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbb8510a580 CR3: 0000000016e98000 CR4: 0000000000350ef0
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 arch_irq_work_raise+0x8b/0x110
 __irq_work_queue_local+0xc1/0x2f0
 irq_work_queue_on+0x122/0x130
 __rcu_read_unlock+0x3f0/0x4f0
 perf_event_output_forward+0x21c/0x3c0
 __perf_event_overflow+0x4c2/0x9e0
 perf_swevent_event+0x344/0x550
 perf_tp_event+0x2dd/0x1280
 perf_trace_run_bpf_submit+0xf3/0x190
 perf_trace_preemptirq_template+0x252/0x420
 trace_hardirqs_on+0xce/0x100
 asm_sysvec_irq_work+0x1a/0x20
RIP: 0010:__rcu_read_unlock+0xc8/0x4f0
Code: b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 03 0f 8e 76 01 00 00 8b 85 f8 03 00 00 85 c0 75 58 <65> 48 8b 1c 25 c0 8a 03 00 48 8d bb f4 03 00 00 48 b8 00 00 00 00
RSP: 0018:ffff88806ce099f8 EFLAGS: 00000202
RAX: 0000000000000738 RBX: ffff88806ce3a2c0 RCX: ffffffff812cf90f
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff81375781
RBP: ffffffff856162c0 R08: 0000000000000001 R09: fffffbfff0ef955c
R10: ffffffff877caae7 R11: 0000000000000001 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000200 R15: 0000000000000000
 __is_insn_slot_addr+0x12f/0x290
 kernel_text_address+0x5b/0xc0
 __kernel_text_address+0xd/0x40
 unwind_get_return_address+0x59/0xa0
 arch_stack_walk+0x9d/0xf0
 stack_trace_save+0x90/0xd0
 kasan_save_stack+0x22/0x50
 kasan_set_track+0x25/0x30
 kasan_save_free_info+0x2b/0x50
 __kasan_slab_free+0x10a/0x190
 kmem_cache_free+0x10d/0x4d0
 rcu_core+0x8c8/0x28b0
 __do_softirq+0x1b7/0x7d4
 irq_exit_rcu+0x93/0xc0
 sysvec_apic_timer_interrupt+0x6e/0x90
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:in_gate_area_no_mm+0x2c/0x80
Code: 1f 00 41 54 55 53 48 89 fb e8 10 c6 4b 00 8b 2d ca 57 2d 04 bf 02 00 00 00 89 ee e8 1e c2 4b 00 83 fd 02 74 24 e8 f4 c5 4b 00 <48> 81 e3 00 f0 ff ff 48 c7 c7 00 00 60 ff 48 89 de e8 2e c2 4b 00
RSP: 0018:ffff888043cbf250 EFLAGS: 00000212
RAX: 0000000000003fc5 RBX: 00007ff28fbbda04 RCX: ffffc90003be7000
RDX: 0000000000040000 RSI: ffffffff810078dc RDI: 0000000000000005
RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000002
R10: 0000000000000001 R11: 00000000000b7ada R12: ffff888043cbf390
R13: 0000000000000000 R14: ffff888019c38000 R15: 0000000000000cc0
 core_kernel_text+0x24/0xa0
 kernel_text_address+0x11/0xc0
 __kernel_text_address+0xd/0x40
 unwind_get_return_address+0x59/0xa0
 arch_stack_walk+0x9d/0xf0
 stack_trace_save+0x90/0xd0
 kasan_save_stack+0x22/0x50
 kasan_set_track+0x25/0x30
 __kasan_slab_alloc+0x59/0x70
 kmem_cache_alloc_lru+0x248/0x680
 __d_alloc+0x31/0x9c0
 d_alloc_parallel+0x10e/0x1640
 __lookup_slow+0x193/0x470
 walk_component+0x345/0x5b0
 link_path_walk.part.0+0x76e/0xd90
 path_openat+0x254/0x2710
 do_filp_open+0x1ba/0x410
 do_sys_openat2+0x164/0x1d0
 __x64_sys_openat+0x143/0x200
 do_syscall_64+0x3f/0x90
 entry_SYSCALL_64_after_hwframe+0x6e/0xd8
RIP: 0033:0x7ff28fbbda04
Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 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 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44
RSP: 002b:00007ff28d1800b0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007ff28fd1df60 RCX: 00007ff28fbbda04
RDX: 0000000000000000 RSI: 00007ff28fc63f82 RDI: 00000000ffffff9c
RBP: 00007ff28fc63f82 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 00007ffc837f9e6f R14: 00007ff28d180300 R15: 0000000000022000
 </TASK>
----------------
Code disassembly (best guess):
   0:	90                   	nop
   1:	f3 0f 1e fa          	endbr64
   5:	55                   	push   %rbp
   6:	53                   	push   %rbx
   7:	83 ff 02             	cmp    $0x2,%edi
   a:	74 61                	je     0x6d
   c:	a0 60 f8 eb ff ff fb 	movabs 0xfffffbffffebf860,%al
  13:	ff ff
  15:	89 fb                	mov    %edi,%ebx
  17:	84 c0                	test   %al,%al
  19:	74 08                	je     0x23
  1b:	3c 03                	cmp    $0x3,%al
  1d:	0f 8e 97 00 00 00    	jle    0xba
  23:	8b 04 25 00 c3 5f ff 	mov    0xffffffffff5fc300,%eax
* 2a:	48 bd 60 f8 eb ff ff 	movabs $0xfffffbffffebf860,%rbp <-- trapping instruction
  31:	fb ff ff
  34:	f6 c4 10             	test   $0x10,%ah
  37:	74 1e                	je     0x57
  39:	f3 90                	pause
  3b:	0f b6 45 00          	movzbl 0x0(%rbp),%eax
  3f:	84                   	.byte 0x84