Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 0 UID: 0 PID: 6740 Comm: syz.4.212 Not tainted 6.14.0-rc3-next-20250218-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:vma_refcount_put include/linux/mm.h:712 [inline]
RIP: 0010:vma_end_read include/linux/mm.h:811 [inline]
RIP: 0010:lock_vma_under_rcu+0x578/0xac0 mm/memory.c:6454
Code: be 5d b1 ff 49 be 00 00 00 00 00 fc ff df 4d 85 ff 74 0d 49 81 ff 01 f0 ff ff 0f 82 a3 02 00 00 49 83 ff f5 0f 85 55 03 00 00 <41> 80 3e 00 74 0a bf 05 00 00 00 e8 28 df 18 00 4c 8b 34 25 05 00
RSP: 0000:ffffc9001bfc7d80 EFLAGS: 00010246
RAX: fffffffffffffff5 RBX: 0000000000000000 RCX: ffff88802c48da00
RDX: ffff88802c48da00 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9001bfc7ed8 R08: ffffffff8210a26a R09: 1ffff110060b2b50
R10: dffffc0000000000 R11: ffffed10060b2b51 R12: ffffc9001bfc7e10
R13: ffff88807770dc20 R14: dffffc0000000000 R15: fffffffffffffff5
FS:  000055556d983500(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c436116 CR3: 0000000034a42000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 do_user_addr_fault arch/x86/mm/fault.c:1328 [inline]
 handle_page_fault arch/x86/mm/fault.c:1480 [inline]
 exc_page_fault+0x17b/0x920 arch/x86/mm/fault.c:1538
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0033:0x7f04a2853ca1
Code: 48 8b 54 24 08 48 85 d2 74 17 8b 44 24 18 0f c8 89 c0 48 89 44 24 18 48 83 fa 01 0f 85 b3 01 00 00 48 8b 44 24 10 8b 54 24 18 <89> 10 e9 15 fd ff ff 48 8b 44 24 10 8b 10 48 8b 44 24 08 48 85 c0
RSP: 002b:00007ffdb156c770 EFLAGS: 00010246
RAX: 0000400000000ab4 RBX: 0000000000000004 RCX: 0000000000000000
RDX: 0000000000000004 RSI: 0000000000000000 RDI: 000055556d9833c8
RBP: 00007ffdb156c878 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 00007f04a2ba608c
R13: 00007f04a2ba6080 R14: fffffffffffffffe R15: 00007ffdb156c8c0
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:vma_refcount_put include/linux/mm.h:712 [inline]
RIP: 0010:vma_end_read include/linux/mm.h:811 [inline]
RIP: 0010:lock_vma_under_rcu+0x578/0xac0 mm/memory.c:6454
Code: be 5d b1 ff 49 be 00 00 00 00 00 fc ff df 4d 85 ff 74 0d 49 81 ff 01 f0 ff ff 0f 82 a3 02 00 00 49 83 ff f5 0f 85 55 03 00 00 <41> 80 3e 00 74 0a bf 05 00 00 00 e8 28 df 18 00 4c 8b 34 25 05 00
RSP: 0000:ffffc9001bfc7d80 EFLAGS: 00010246
RAX: fffffffffffffff5 RBX: 0000000000000000 RCX: ffff88802c48da00
RDX: ffff88802c48da00 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9001bfc7ed8 R08: ffffffff8210a26a R09: 1ffff110060b2b50
R10: dffffc0000000000 R11: ffffed10060b2b51 R12: ffffc9001bfc7e10
R13: ffff88807770dc20 R14: dffffc0000000000 R15: fffffffffffffff5
FS:  000055556d983500(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30315ff8 CR3: 0000000034a42000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	5d                   	pop    %rbp
   1:	b1 ff                	mov    $0xff,%cl
   3:	49 be 00 00 00 00 00 	movabs $0xdffffc0000000000,%r14
   a:	fc ff df
   d:	4d 85 ff             	test   %r15,%r15
  10:	74 0d                	je     0x1f
  12:	49 81 ff 01 f0 ff ff 	cmp    $0xfffffffffffff001,%r15
  19:	0f 82 a3 02 00 00    	jb     0x2c2
  1f:	49 83 ff f5          	cmp    $0xfffffffffffffff5,%r15
  23:	0f 85 55 03 00 00    	jne    0x37e
* 29:	41 80 3e 00          	cmpb   $0x0,(%r14) <-- trapping instruction
  2d:	74 0a                	je     0x39
  2f:	bf 05 00 00 00       	mov    $0x5,%edi
  34:	e8 28 df 18 00       	call   0x18df61
  39:	4c                   	rex.WR
  3a:	8b                   	.byte 0x8b
  3b:	34 25                	xor    $0x25,%al
  3d:	05                   	.byte 0x5