RBP: 00007f0207de7000 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002
R13: 0000000000000004 R14: 0000000020004ac0 R15: 0000000000000300
 </TASK>
------------[ cut here ]------------
WARNING: kernel/printk/printk_ringbuffer.c:1278 at get_data+0x364/0x400, CPU#0: syz-executor.3/11914
Modules linked in:
CPU: 0 UID: 0 PID: 11914 Comm: syz-executor.3 Not tainted 6.18.0-rc3-next-20251031 #1 PREEMPT(voluntary) 
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:get_data+0x364/0x400
Code: e8 83 e0 07 83 c0 03 38 d0 0f 8c be fe ff ff 84 d2 0f 84 b6 fe ff ff 48 89 ef e8 17 b8 5b 00 e9 a9 fe ff ff e8 4d bb 1e 00 90 <0f> 0b 90 45 31 e4 e9 3b ff ff ff e8 3c bb 1e 00 90 0f 0b 90 45 31
RSP: 0018:ffff88806ce08720 EFLAGS: 00010046
RAX: 0000000000010000 RBX: ffff88806ce08838 RCX: ffffffff815559d6
RDX: ffff888017191b80 RSI: ffffffff81555ba3 RDI: 0000000000000006
RBP: ffff88806ce08800 R08: 0000000000001085 R09: 000001783f933b6e
R10: 0000000000000000 R11: 00002e8a82000019 R12: ffffffff85d30790
R13: 00003fffffffffff R14: 0000000000000000 R15: 0000000000000000
FS:  00007f0207de7700(0000) GS:ffff8880e53ed000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6b9fc5ff64 CR3: 000000004eb66000 CR4: 0000000000350ef0
Call Trace:
 <IRQ>
 _prb_read_valid+0x2f3/0x830
 prb_read_valid+0x78/0xa0
 printk_get_next_message+0x10b/0x570
 console_flush_one_record+0x64f/0xb20
 __console_flush_and_unlock+0xb1/0x1d0
 wake_up_klogd_work_func+0x17c/0x1e0
 irq_work_single+0x128/0x260
 irq_work_run_list+0x91/0xc0
 update_process_times+0x12f/0x210
 tick_nohz_handler+0x414/0x6d0
 __hrtimer_run_queues+0x60f/0xac0
 hrtimer_interrupt+0x369/0x830
 __sysvec_apic_timer_interrupt+0xbb/0x330
 sysvec_apic_timer_interrupt+0x6b/0x80
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:dump_stack_lvl+0x115/0x120
Code: fc ff ff 4c 89 e2 31 f6 31 ff e8 66 57 71 fc e8 81 50 9b fc 48 89 ee 31 ff e8 57 24 bb fc e8 f2 28 bb fc e8 9d 93 c3 fc fb 5b <5d> 41 5c e9 e3 28 bb fc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffff88804a23f6b0 EFLAGS: 00000206
RAX: 0000000000000dcf RBX: ffffffff85f03a20 RCX: 0000000000000080
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff84b8ee03
RBP: 0000000000000200 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff86648157 R11: 0000000000000001 R12: ffffffff8551dc20
R13: ffffffff85f03a30 R14: 0000000000000000 R15: 0000000000000000
 should_fail_ex+0x4d7/0x5e0
 should_failslab+0xc2/0x120
 kmem_cache_alloc_lru_noprof+0x84/0x690
 __d_alloc+0x31/0xa10
 d_alloc_parallel+0x112/0x13c0
 lookup_open.isra.0+0x64f/0x1530
 path_openat+0xc26/0x2880
 do_filp_open+0x1e8/0x450
 do_sys_openat2+0x104/0x1b0
 __x64_sys_openat+0x142/0x200
 do_syscall_64+0xbf/0x390
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f020a824a04
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:00007f0207de6ed0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f020a8bb970 RCX: 00007f020a824a04
RDX: 0000000000000002 RSI: 00007f0207de7000 RDI: 00000000ffffff9c
RBP: 00007f0207de7000 R08: 0000000000000000 R09: ffffffffffffffff
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002
R13: 0000000000000004 R14: 0000000020004ac0 R15: 0000000000000300
 </TASK>
irq event stamp: 3536
hardirqs last  enabled at (3535): [<ffffffff84b8ee03>] dump_stack_lvl+0x113/0x120
hardirqs last disabled at (3536): [<ffffffff84c6059f>] sysvec_apic_timer_interrupt+0xf/0x80
softirqs last  enabled at (3530): [<ffffffff813bc0ec>] handle_softirqs+0x50c/0x770
softirqs last disabled at (3505): [<ffffffff813bc484>] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess), 2 bytes skipped:
   0:	ff 4c 89 e2          	decl   -0x1e(%rcx,%rcx,4)
   4:	31 f6                	xor    %esi,%esi
   6:	31 ff                	xor    %edi,%edi
   8:	e8 66 57 71 fc       	callq  0xfc715773
   d:	e8 81 50 9b fc       	callq  0xfc9b5093
  12:	48 89 ee             	mov    %rbp,%rsi
  15:	31 ff                	xor    %edi,%edi
  17:	e8 57 24 bb fc       	callq  0xfcbb2473
  1c:	e8 f2 28 bb fc       	callq  0xfcbb2913
  21:	e8 9d 93 c3 fc       	callq  0xfcc393c3
  26:	fb                   	sti
  27:	5b                   	pop    %rbx
* 28:	5d                   	pop    %rbp <-- trapping instruction
  29:	41 5c                	pop    %r12
  2b:	e9 e3 28 bb fc       	jmpq   0xfcbb2913
  30:	0f 1f 00             	nopl   (%rax)
  33:	90                   	nop
  34:	90                   	nop
  35:	90                   	nop
  36:	90                   	nop
  37:	90                   	nop
  38:	90                   	nop
  39:	90                   	nop
  3a:	90                   	nop
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop