general protection fault, probably for non-canonical address 0xdffffc000000001d: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x00000000000000e8-0x00000000000000ef]
CPU: 0 PID: 5077 Comm: syz-executor226 Not tainted 6.7.0-rc2-syzkaller-00147-gf1a09972a45a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
RIP: 0010:__lock_acquire+0xe2e/0x3b10 kernel/locking/lockdep.c:5004
Code: 11 00 00 39 05 e3 51 f6 0f 0f 82 ba 05 00 00 ba 01 00 00 00 e9 e4 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 0f 85 f9 1f 00 00 49 81 3c 24 a0 29 b5 90 0f 84 a9 f2
RSP: 0018:ffffc90004327838 EFLAGS: 00010016
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 000000000000001d RSI: ffff888079141dc0 RDI: 00000000000000e8
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: ffffffff8f194857 R11: 0000000000000001 R12: 00000000000000e8
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6b2cd253d0 CR3: 00000000661c4000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 lock_acquire kernel/locking/lockdep.c:5753 [inline]
 lock_acquire+0x1ae/0x520 kernel/locking/lockdep.c:5718
 down_write+0x3a/0x50 kernel/locking/rwsem.c:1579
 hugetlb_vma_lock_write mm/hugetlb.c:300 [inline]
 hugetlb_vma_lock_write+0x8d/0xd0 mm/hugetlb.c:291
 __hugetlb_zap_begin+0x1e9/0x2b0 mm/hugetlb.c:5708
 hugetlb_zap_begin include/linux/hugetlb.h:258 [inline]
 unmap_vmas+0x2f4/0x470 mm/memory.c:1742
 exit_mmap+0x1ad/0xa70 mm/mmap.c:3308
 __mmput+0x12a/0x4d0 kernel/fork.c:1349
 mmput+0x62/0x70 kernel/fork.c:1371
 exit_mm kernel/exit.c:567 [inline]
 do_exit+0x9ad/0x2ae0 kernel/exit.c:858
 __do_sys_exit kernel/exit.c:988 [inline]
 __se_sys_exit kernel/exit.c:986 [inline]
 __x64_sys_exit+0x42/0x50 kernel/exit.c:986
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x40/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f6b2ccebab9
Code: Unable to access opcode bytes at 0x7f6b2cceba8f.
RSP: 002b:00007ffffa09b568 EFLAGS: 00000246 ORIG_RAX: 000000000000003c
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6b2ccebab9
RDX: 00007f6b2cd253f3 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 000000000000db16 R08: 0000000000000000 R09: 0000000000000006
R10: 00007f6b2ccebab9 R11: 0000000000000246 R12: 00007ffffa09b57c
R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__lock_acquire+0xe2e/0x3b10 kernel/locking/lockdep.c:5004
Code: 11 00 00 39 05 e3 51 f6 0f 0f 82 ba 05 00 00 ba 01 00 00 00 e9 e4 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 0f 85 f9 1f 00 00 49 81 3c 24 a0 29 b5 90 0f 84 a9 f2
RSP: 0018:ffffc90004327838 EFLAGS: 00010016
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 000000000000001d RSI: ffff888079141dc0 RDI: 00000000000000e8
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: ffffffff8f194857 R11: 0000000000000001 R12: 00000000000000e8
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6b2cd253d0 CR3: 00000000661c4000 CR4: 0000000000350ef0
----------------
Code disassembly (best guess):
   0:	11 00                	adc    %eax,(%rax)
   2:	00 39                	add    %bh,(%rcx)
   4:	05 e3 51 f6 0f       	add    $0xff651e3,%eax
   9:	0f 82 ba 05 00 00    	jb     0x5c9
   f:	ba 01 00 00 00       	mov    $0x1,%edx
  14:	e9 e4 00 00 00       	jmp    0xfd
  19:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  20:	fc ff df
  23:	4c 89 e2             	mov    %r12,%rdx
  26:	48 c1 ea 03          	shr    $0x3,%rdx
* 2a:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1) <-- trapping instruction
  2e:	0f 85 f9 1f 00 00    	jne    0x202d
  34:	49 81 3c 24 a0 29 b5 	cmpq   $0xffffffff90b529a0,(%r12)
  3b:	90
  3c:	0f                   	.byte 0xf
  3d:	84                   	.byte 0x84
  3e:	a9                   	.byte 0xa9
  3f:	f2                   	repnz