Oops: general protection fault, probably for non-canonical address 0xdffffc0000000003: 0000 [#1] PREEMPT SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000018-0x000000000000001f]
CPU: 1 PID: 5673 Comm: syz-executor.2 Not tainted 6.10.0-rc3-syzkaller-00099-gd20f6b3d747c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:__lock_acquire+0x6a/0x1fd0 kernel/locking/lockdep.c:5005
Code: df 0f b6 04 30 84 c0 0f 85 4b 16 00 00 83 3d a8 1c 3b 0e 00 0f 84 1c 11 00 00 83 3d cf 9c ad 0c 00 74 2c 4c 89 e0 48 c1 e8 03 <80> 3c 30 00 74 12 4c 89 e7 e8 48 7f 89 00 48 be 00 00 00 00 00 fc
RSP: 0018:ffffc9000414efb0 EFLAGS: 00010006
RAX: 0000000000000003 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: dffffc0000000000 RDI: 0000000000000018
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff1f5aace R12: 0000000000000018
R13: 0000000000000000 R14: ffff8880207c8000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb40d912897 CR3: 000000001cefc000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5754
 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
 _raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154
 spin_lock include/linux/spinlock.h:351 [inline]
 __pte_offset_map_lock+0x1ba/0x300 mm/pgtable-generic.c:375
 pte_offset_map_lock include/linux/mm.h:3020 [inline]
 zap_pte_range mm/memory.c:1591 [inline]
 zap_pmd_range mm/memory.c:1730 [inline]
 zap_pud_range mm/memory.c:1759 [inline]
 zap_p4d_range mm/memory.c:1780 [inline]
 unmap_page_range+0xa20/0x4bf0 mm/memory.c:1801
 unmap_vmas+0x3cc/0x5f0 mm/memory.c:1891
 exit_mmap+0x264/0xc80 mm/mmap.c:3341
 __mmput+0x115/0x3c0 kernel/fork.c:1346
 exit_mm+0x220/0x310 kernel/exit.c:565
 do_exit+0x9aa/0x27e0 kernel/exit.c:861
 do_group_exit+0x207/0x2c0 kernel/exit.c:1023
 get_signal+0x16a1/0x1740 kernel/signal.c:2909
 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:310
 exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0xc9/0x370 kernel/entry/common.c:218
 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fcd3fe7dd29
Code: Unable to access opcode bytes at 0x7fcd3fe7dcff.
RSP: 002b:00007fcd3f9de178 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007fcd3ffac128 RCX: 00007fcd3fe7dd29
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fcd3ffac128
RBP: 00007fcd3ffac120 R08: 00007fcd3f9de6c0 R09: 00007fcd3f9de6c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcd3ffac12c
R13: 000000000000006e R14: 00007fcd400cf9b0 R15: 00007fcd400cfa98
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__lock_acquire+0x6a/0x1fd0 kernel/locking/lockdep.c:5005
Code: df 0f b6 04 30 84 c0 0f 85 4b 16 00 00 83 3d a8 1c 3b 0e 00 0f 84 1c 11 00 00 83 3d cf 9c ad 0c 00 74 2c 4c 89 e0 48 c1 e8 03 <80> 3c 30 00 74 12 4c 89 e7 e8 48 7f 89 00 48 be 00 00 00 00 00 fc
RSP: 0018:ffffc9000414efb0 EFLAGS: 00010006
RAX: 0000000000000003 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: dffffc0000000000 RDI: 0000000000000018
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff1f5aace R12: 0000000000000018
R13: 0000000000000000 R14: ffff8880207c8000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb40d912897 CR3: 000000001cefc000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	df 0f                	fisttps (%rdi)
   2:	b6 04                	mov    $0x4,%dh
   4:	30 84 c0 0f 85 4b 16 	xor    %al,0x164b850f(%rax,%rax,8)
   b:	00 00                	add    %al,(%rax)
   d:	83 3d a8 1c 3b 0e 00 	cmpl   $0x0,0xe3b1ca8(%rip)        # 0xe3b1cbc
  14:	0f 84 1c 11 00 00    	je     0x1136
  1a:	83 3d cf 9c ad 0c 00 	cmpl   $0x0,0xcad9ccf(%rip)        # 0xcad9cf0
  21:	74 2c                	je     0x4f
  23:	4c 89 e0             	mov    %r12,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	80 3c 30 00          	cmpb   $0x0,(%rax,%rsi,1) <-- trapping instruction
  2e:	74 12                	je     0x42
  30:	4c 89 e7             	mov    %r12,%rdi
  33:	e8 48 7f 89 00       	call   0x897f80
  38:	48                   	rex.W
  39:	be 00 00 00 00       	mov    $0x0,%esi
  3e:	00 fc                	add    %bh,%ah