EXT4-fs (loop7): unmounting filesystem 00000000-0000-0000-0000-000000000000.
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Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 0 UID: 0 PID: 3858 Comm: modprobe Tainted: G        W           6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary) 
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:dst_dev_put+0x21/0x250
Code: 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 41 54 55 53 48 89 fb e8 40 c6 a8 fd 48 89 da 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 b5 01 00 00 48 8d 7b 3a 48 8b 2b 48 b8 00 00 00
RSP: 0018:ffff88806ce08da0 EFLAGS: 00010256
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffffff84103977
RDX: 0000000000000000 RSI: ffffffff83cb2140 RDI: 0000000000000001
RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000001 R12: fffffbfff0b0a4ac
R13: 0000607f1a631440 R14: 0000607f1a631440 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2d026000 CR3: 000000001f085000 CR4: 0000000000350ef0
Call Trace:
 <IRQ>
 rt_fibinfo_free_cpus.part.0+0xdb/0x1a0
 fib_nh_common_release+0xa8/0x2c0
 fib6_info_destroy_rcu+0x18b/0x1f0
 rcu_core+0x7c8/0x1800
 handle_softirqs+0x1b1/0x770
 __irq_exit_rcu+0xc4/0x100
 irq_exit_rcu+0x9/0x20
 sysvec_apic_timer_interrupt+0x70/0x80
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:lock_acquire+0x5b/0x2f0
Code: 30 31 c0 66 90 65 8b 05 e7 53 32 06 89 c0 48 0f a3 05 f9 cf f1 04 0f 82 3a 01 00 00 8b 35 d1 db f1 04 85 f6 0f 85 84 00 00 00 <48> 8b 44 24 30 65 48 2b 05 90 53 32 06 0f 85 6e 02 00 00 48 83 c4
RSP: 0018:ffff88801abe7808 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 0000000000000000 RCX: 66c8676be6f67c13
RDX: 0000000047918e7d RSI: 000000001fd080bf RDI: 00000000d4b8e8ef
RBP: ffffffff85c1c760 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000002
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000200
 unwind_next_frame+0xcd/0x2540
 arch_stack_walk+0x86/0xf0
 stack_trace_save+0x8e/0xc0
 set_track_prepare+0x35/0x70
 __alloc_object+0xf0/0x2c0
 __create_object+0x1d/0x80
 __kmalloc_cache_noprof+0x42a/0x690
 kmem_cache_free+0x134/0x540
 exit_mmap+0x47f/0xaa0
 mmput+0xd5/0x390
 do_exit+0x79d/0x2970
 do_group_exit+0xd3/0x2a0
 __x64_sys_exit_group+0x3e/0x50
 x64_sys_call+0x18c5/0x18d0
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fbf47977699
Code: Unable to access opcode bytes at 0x7fbf4797766f.
RSP: 002b:00007ffe6853c818 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007fbf47a6c610 RCX: 00007fbf47977699
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 0000000000000001 R08: ffffffffffffff80 R09: 0000000000000001
R10: 0000000000000004 R11: 0000000000000246 R12: 00007fbf47a6c610
R13: 0000000000000001 R14: 00007fbf47a6cae8 R15: 0000000000000000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:dst_dev_put+0x21/0x250
Code: 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 41 54 55 53 48 89 fb e8 40 c6 a8 fd 48 89 da 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 b5 01 00 00 48 8d 7b 3a 48 8b 2b 48 b8 00 00 00
RSP: 0018:ffff88806ce08da0 EFLAGS: 00010256
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffffff84103977
RDX: 0000000000000000 RSI: ffffffff83cb2140 RDI: 0000000000000001
RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000001 R12: fffffbfff0b0a4ac
R13: 0000607f1a631440 R14: 0000607f1a631440 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2d026000 CR3: 000000001f085000 CR4: 0000000000350ef0
----------------
Code disassembly (best guess):
   0:	90                   	nop
   1:	90                   	nop
   2:	90                   	nop
   3:	90                   	nop
   4:	90                   	nop
   5:	90                   	nop
   6:	90                   	nop
   7:	90                   	nop
   8:	90                   	nop
   9:	f3 0f 1e fa          	endbr64
   d:	41 54                	push   %r12
   f:	55                   	push   %rbp
  10:	53                   	push   %rbx
  11:	48 89 fb             	mov    %rdi,%rbx
  14:	e8 40 c6 a8 fd       	callq  0xfda8c659
  19:	48 89 da             	mov    %rbx,%rdx
  1c:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  23:	fc ff df
  26:	48 c1 ea 03          	shr    $0x3,%rdx
* 2a:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1) <-- trapping instruction
  2e:	0f 85 b5 01 00 00    	jne    0x1e9
  34:	48 8d 7b 3a          	lea    0x3a(%rbx),%rdi
  38:	48 8b 2b             	mov    (%rbx),%rbp
  3b:	48                   	rex.W
  3c:	b8                   	.byte 0xb8
  3d:	00 00                	add    %al,(%rax)