Oops: general protection fault, probably for non-canonical address 0xdffffc0000000003: 0000 [#1] PREEMPT SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000018-0x000000000000001f]
CPU: 3 UID: 0 PID: 6071 Comm: syz.2.227 Not tainted 6.11.0-rc1-syzkaller-00154-gc0ecd6388360 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:__lock_acquire+0xe1/0x3cb0 kernel/locking/lockdep.c:5007
Code: d0 7c 08 84 d2 0f 85 78 14 00 00 8b 0d a0 c0 aa 0e 85 c9 0f 84 dd 0d 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 e4 2c 00 00 49 8b 04 24 48 3d a0 01 26 93 0f 84
RSP: 0018:ffffc9000328f398 EFLAGS: 00010006
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000001
RDX: 0000000000000003 RSI: 1ffff92000651e85 RDI: 0000000000000018
RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000
R10: ffffffff9012b4df R11: 0000000000000000 R12: 0000000000000018
R13: 0000000000000000 R14: 0000000000000000 R15: ffff888022fe4880
FS:  0000000000000000(0000) GS:ffff88806b300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555945f5808 CR3: 000000002081e000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 lock_acquire kernel/locking/lockdep.c:5759 [inline]
 lock_acquire+0x1b1/0x560 kernel/locking/lockdep.c:5724
 __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+0xf1/0x300 mm/pgtable-generic.c:375
 pte_offset_map_lock include/linux/mm.h:2985 [inline]
 zap_pte_range mm/memory.c:1597 [inline]
 zap_pmd_range mm/memory.c:1736 [inline]
 zap_pud_range mm/memory.c:1765 [inline]
 zap_p4d_range mm/memory.c:1786 [inline]
 unmap_page_range+0x7e5/0x3c10 mm/memory.c:1807
 unmap_single_vma+0x194/0x2b0 mm/memory.c:1853
 unmap_vmas+0x22f/0x490 mm/memory.c:1897
 exit_mmap+0x1b8/0xb20 mm/mmap.c:3412
 __mmput+0x12a/0x480 kernel/fork.c:1345
 mmput+0x62/0x70 kernel/fork.c:1367
 exit_mm kernel/exit.c:571 [inline]
 do_exit+0x9bf/0x2bb0 kernel/exit.c:869
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1031
 get_signal+0x25fd/0x2770 kernel/signal.c:2917
 arch_do_signal_or_restart+0x90/0x7e0 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+0x150/0x2a0 kernel/entry/common.c:218
 do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc3843773b9
Code: Unable to access opcode bytes at 0x7fc38437738f.
RSP: 002b:00007fc3852170f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007fc384505f88 RCX: 00007fc3843773b9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fc384505f88
RBP: 00007fc384505f80 R08: 00007fc3852176c0 R09: 00007fc3852176c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc384505f8c
R13: 000000000000000b R14: 00007ffed5290f30 R15: 00007ffed5291018
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__lock_acquire+0xe1/0x3cb0 kernel/locking/lockdep.c:5007
Code: d0 7c 08 84 d2 0f 85 78 14 00 00 8b 0d a0 c0 aa 0e 85 c9 0f 84 dd 0d 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 e4 2c 00 00 49 8b 04 24 48 3d a0 01 26 93 0f 84
RSP: 0018:ffffc9000328f398 EFLAGS: 00010006
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000001
RDX: 0000000000000003 RSI: 1ffff92000651e85 RDI: 0000000000000018
RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000
R10: ffffffff9012b4df R11: 0000000000000000 R12: 0000000000000018
R13: 0000000000000000 R14: 0000000000000000 R15: ffff888022fe4880
FS:  0000000000000000(0000) GS:ffff88806b300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555945f5808 CR3: 000000002081e000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	d0 7c 08 84          	sarb   -0x7c(%rax,%rcx,1)
   4:	d2 0f                	rorb   %cl,(%rdi)
   6:	85 78 14             	test   %edi,0x14(%rax)
   9:	00 00                	add    %al,(%rax)
   b:	8b 0d a0 c0 aa 0e    	mov    0xeaac0a0(%rip),%ecx        # 0xeaac0b1
  11:	85 c9                	test   %ecx,%ecx
  13:	0f 84 dd 0d 00 00    	je     0xdf6
  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 e4 2c 00 00    	jne    0x2d18
  34:	49 8b 04 24          	mov    (%r12),%rax
  38:	48 3d a0 01 26 93    	cmp    $0xffffffff932601a0,%rax
  3e:	0f                   	.byte 0xf
  3f:	84                   	.byte 0x84