RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]
CPU: 1 UID: 0 PID: 7319 Comm: syz.2.280 Not tainted 6.12.0-syzkaller-07834-g06afb0f36106 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:mt_slot_locked lib/maple_tree.c:795 [inline]
RIP: 0010:mas_slot_locked lib/maple_tree.c:808 [inline]
RIP: 0010:mas_store_prealloc+0xa46/0x1390 lib/maple_tree.c:5514
Code: 00 15 35 8d be 1b 03 00 00 48 c7 c2 c0 1f 35 8d e8 1f 50 b5 f5 4b 8d 1c e7 48 89 d8 48 c1 e8 03 49 bf 00 00 00 00 00 fc ff df <42> 80 3c 38 00 74 08 48 89 df e8 cb 61 44 f6 48 8b 1b 49 8d 7e 48
RSP: 0018:ffffc9000216f660 EFLAGS: 00010202
RAX: 0000000000000001 RBX: 0000000000000008 RCX: ffff8880343fda00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc9000216f7d0 R08: ffffffff8bbba157 R09: 0000000000000000
R10: ffffc9000216f708 R11: fffff5200042deea R12: 0000000000000000
R13: ffffc9000216fac0 R14: ffffc9000216f700 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b8700000(0063) knlGS:00000000f5186b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000f7272290 CR3: 000000005dc6c000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 00000000fee0000e DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __mmap_region mm/mmap.c:1513 [inline]
 mmap_region+0x1caa/0x23f0 mm/mmap.c:1603
 do_mmap+0x8f0/0x1000 mm/mmap.c:496
 vm_mmap_pgoff+0x1dd/0x3d0 mm/util.c:588
 ksys_mmap_pgoff+0x4eb/0x720 mm/mmap.c:542
 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
 __do_fast_syscall_32+0xb4/0x110 arch/x86/entry/common.c:386
 do_fast_syscall_32+0x34/0x80 arch/x86/entry/common.c:411
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf749d579
Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 002b:00000000f518655c EFLAGS: 00000206 ORIG_RAX: 00000000000000c0
RAX: ffffffffffffffda RBX: 0000000020ffc000 RCX: 0000000000002000
RDX: 0000000000000001 RSI: 0000000000000011 RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:mt_slot_locked lib/maple_tree.c:795 [inline]
RIP: 0010:mas_slot_locked lib/maple_tree.c:808 [inline]
RIP: 0010:mas_store_prealloc+0xa46/0x1390 lib/maple_tree.c:5514
Code: 00 15 35 8d be 1b 03 00 00 48 c7 c2 c0 1f 35 8d e8 1f 50 b5 f5 4b 8d 1c e7 48 89 d8 48 c1 e8 03 49 bf 00 00 00 00 00 fc ff df <42> 80 3c 38 00 74 08 48 89 df e8 cb 61 44 f6 48 8b 1b 49 8d 7e 48
RSP: 0018:ffffc9000216f660 EFLAGS: 00010202
RAX: 0000000000000001 RBX: 0000000000000008 RCX: ffff8880343fda00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc9000216f7d0 R08: ffffffff8bbba157 R09: 0000000000000000
R10: ffffc9000216f708 R11: fffff5200042deea R12: 0000000000000000
R13: ffffc9000216fac0 R14: ffffc9000216f700 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b8700000(0063) knlGS:00000000f5186b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00007f471a7275e8 CR3: 000000005dc6c000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 00000000fee0000e DR6: 00000000ffff0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	00 15 35 8d be 1b    	add    %dl,0x1bbe8d35(%rip)        # 0x1bbe8d3b
   6:	03 00                	add    (%rax),%eax
   8:	00 48 c7             	add    %cl,-0x39(%rax)
   b:	c2 c0 1f             	ret    $0x1fc0
   e:	35 8d e8 1f 50       	xor    $0x501fe88d,%eax
  13:	b5 f5                	mov    $0xf5,%ch
  15:	4b 8d 1c e7          	lea    (%r15,%r12,8),%rbx
  19:	48 89 d8             	mov    %rbx,%rax
  1c:	48 c1 e8 03          	shr    $0x3,%rax
  20:	49 bf 00 00 00 00 00 	movabs $0xdffffc0000000000,%r15
  27:	fc ff df
* 2a:	42 80 3c 38 00       	cmpb   $0x0,(%rax,%r15,1) <-- trapping instruction
  2f:	74 08                	je     0x39
  31:	48 89 df             	mov    %rbx,%rdi
  34:	e8 cb 61 44 f6       	call   0xf6446204
  39:	48 8b 1b             	mov    (%rbx),%rbx
  3c:	49 8d 7e 48          	lea    0x48(%r14),%rdi