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: 5068 Comm: syz-executor249 Not tainted 6.6.0-syzkaller-12401-g8f6f76a6a29f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
RIP: 0010:__lock_acquire+0x10d/0x7f70 kernel/locking/lockdep.c:5004
Code: 85 75 18 00 00 83 3d bd ba 92 0d 00 48 89 9c 24 10 01 00 00 0f 84 f8 0f 00 00 83 3d 8c 22 12 0c 00 74 34 48 89 d0 48 c1 e8 03 <42> 80 3c 00 00 74 1a 48 89 d7 e8 c4 61 7d 00 48 8b 94 24 80 00 00
RSP: 0018:ffffc90003a2f440 EFLAGS: 00010006

RAX: 000000000000001d RBX: 1ffff92000745eac RCX: 0000000000000000
RDX: 00000000000000e8 RSI: 0000000000000000 RDI: 00000000000000e8
RBP: ffffc90003a2f708 R08: dffffc0000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff1e0017e R12: 0000000000000000
R13: 0000000000000001 R14: 0000000000000000 R15: ffff888074521dc0
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe3d51f9410 CR3: 0000000078133000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 lock_acquire+0x1e3/0x520 kernel/locking/lockdep.c:5753
 down_write+0x3a/0x50 kernel/locking/rwsem.c:1579
 __hugetlb_zap_begin+0x2e0/0x380 mm/hugetlb.c:5708
 hugetlb_zap_begin include/linux/hugetlb.h:258 [inline]
 unmap_vmas+0x364/0x5c0 mm/memory.c:1742
 exit_mmap+0x297/0xc50 mm/mmap.c:3308
 __mmput+0x115/0x3c0 kernel/fork.c:1349
 exit_mm+0x21f/0x300 kernel/exit.c:567
 do_exit+0x9b7/0x2750 kernel/exit.c:858
 __do_sys_exit kernel/exit.c:988 [inline]
 __se_sys_exit kernel/exit.c:986 [inline]
 __x64_sys_exit+0x40/0x40 kernel/exit.c:986
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x44/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7fe3d51bfaf9
Code: Unable to access opcode bytes at 0x7fe3d51bfacf.
RSP: 002b:00007ffff033d508 EFLAGS: 00000246 ORIG_RAX: 000000000000003c
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe3d51bfaf9
RDX: 00007fe3d51f9433 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000011862 R08: 0000000000000000 R09: 0000000000000006
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffff033d51c
R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__lock_acquire+0x10d/0x7f70 kernel/locking/lockdep.c:5004
Code: 85 75 18 00 00 83 3d bd ba 92 0d 00 48 89 9c 24 10 01 00 00 0f 84 f8 0f 00 00 83 3d 8c 22 12 0c 00 74 34 48 89 d0 48 c1 e8 03 <42> 80 3c 00 00 74 1a 48 89 d7 e8 c4 61 7d 00 48 8b 94 24 80 00 00
RSP: 0018:ffffc90003a2f440 EFLAGS: 00010006
RAX: 000000000000001d RBX: 1ffff92000745eac RCX: 0000000000000000
RDX: 00000000000000e8 RSI: 0000000000000000 RDI: 00000000000000e8
RBP: ffffc90003a2f708 R08: dffffc0000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff1e0017e R12: 0000000000000000
R13: 0000000000000001 R14: 0000000000000000 R15: ffff888074521dc0
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe3d51f9410 CR3: 0000000078133000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	85 75 18             	test   %esi,0x18(%rbp)
   3:	00 00                	add    %al,(%rax)
   5:	83 3d bd ba 92 0d 00 	cmpl   $0x0,0xd92babd(%rip)        # 0xd92bac9
   c:	48 89 9c 24 10 01 00 	mov    %rbx,0x110(%rsp)
  13:	00
  14:	0f 84 f8 0f 00 00    	je     0x1012
  1a:	83 3d 8c 22 12 0c 00 	cmpl   $0x0,0xc12228c(%rip)        # 0xc1222ad
  21:	74 34                	je     0x57
  23:	48 89 d0             	mov    %rdx,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 80 3c 00 00       	cmpb   $0x0,(%rax,%r8,1) <-- trapping instruction
  2f:	74 1a                	je     0x4b
  31:	48 89 d7             	mov    %rdx,%rdi
  34:	e8 c4 61 7d 00       	call   0x7d61fd
  39:	48                   	rex.W
  3a:	8b                   	.byte 0x8b
  3b:	94                   	xchg   %eax,%esp
  3c:	24 80                	and    $0x80,%al