general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 0 PID: 20281 Comm: syz-executor.2 Tainted: G        W         5.15.148-syzkaller-00718-g993bed180178 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:rb_set_parent_color include/linux/rbtree_augmented.h:165 [inline]
RIP: 0010:____rb_erase_color lib/rbtree.c:359 [inline]
RIP: 0010:__rb_erase_color+0x2bd/0xa60 lib/rbtree.c:413
Code: 89 ef e8 d6 27 2b ff 48 8b 45 d0 49 89 45 00 49 89 c5 48 89 c3 48 83 cb 01 4c 89 f0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 f7 e8 a5 27 2b ff 49 89 1e 4c 89 eb 48 c1
RSP: 0018:ffffc90000c57a00 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff88811ac1d4f9 RCX: dffffc0000000000
RDX: ffffffff81a50880 RSI: ffff88810f1edaf0 RDI: ffff88811ac1d4f8
RBP: ffffc90000c57a60 R08: ffffffff81a4e940 R09: ffffed1021e3db62
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff110222f4f58
R13: ffff88811ac1d4f8 R14: 0000000000000000 R15: ffff8881117a7ac0
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7a28649f80 CR3: 0000000121dc5000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <TASK>
 rb_erase_augmented include/linux/rbtree_augmented.h:305 [inline]
 rb_erase_augmented_cached include/linux/rbtree_augmented.h:314 [inline]
 vma_interval_tree_remove+0xb82/0xba0 mm/interval_tree.c:23
 __remove_shared_vm_struct mm/mmap.c:158 [inline]
 unlink_file_vma+0xd9/0xf0 mm/mmap.c:173
 free_pgtables+0x13f/0x280 mm/memory.c:486
 exit_mmap+0x3e7/0x6f0 mm/mmap.c:3210
 __mmput+0x95/0x310 kernel/fork.c:1179
 mmput+0x5b/0x170 kernel/fork.c:1202
 exit_mm kernel/exit.c:552 [inline]
 do_exit+0xb9c/0x2ca0 kernel/exit.c:865
 do_group_exit+0x141/0x310 kernel/exit.c:1000
 __do_sys_exit_group kernel/exit.c:1011 [inline]
 __se_sys_exit_group kernel/exit.c:1009 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1009
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f7a279f1e69
Code: Unable to access opcode bytes at RIP 0x7f7a279f1e3f.
RSP: 002b:00007fffa97182f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7a279f1e69
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000043
RBP: 00007f7a27a3e4e0 R08: 00007fffa9716096 R09: 0000000000000000
R10: 000000000000000a R11: 0000000000000246 R12: 000000000000000b
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000
 </TASK>
Modules linked in:
---[ end trace 283a3a08fa231086 ]---
RIP: 0010:rb_set_parent_color include/linux/rbtree_augmented.h:165 [inline]
RIP: 0010:____rb_erase_color lib/rbtree.c:359 [inline]
RIP: 0010:__rb_erase_color+0x2bd/0xa60 lib/rbtree.c:413
Code: 89 ef e8 d6 27 2b ff 48 8b 45 d0 49 89 45 00 49 89 c5 48 89 c3 48 83 cb 01 4c 89 f0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 f7 e8 a5 27 2b ff 49 89 1e 4c 89 eb 48 c1
RSP: 0018:ffffc90000c57a00 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff88811ac1d4f9 RCX: dffffc0000000000
RDX: ffffffff81a50880 RSI: ffff88810f1edaf0 RDI: ffff88811ac1d4f8
RBP: ffffc90000c57a60 R08: ffffffff81a4e940 R09: ffffed1021e3db62
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff110222f4f58
R13: ffff88811ac1d4f8 R14: 0000000000000000 R15: ffff8881117a7ac0
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbecace3d58 CR3: 000000011f299000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
----------------
Code disassembly (best guess):
   0:	89 ef                	mov    %ebp,%edi
   2:	e8 d6 27 2b ff       	call   0xff2b27dd
   7:	48 8b 45 d0          	mov    -0x30(%rbp),%rax
   b:	49 89 45 00          	mov    %rax,0x0(%r13)
   f:	49 89 c5             	mov    %rax,%r13
  12:	48 89 c3             	mov    %rax,%rbx
  15:	48 83 cb 01          	or     $0x1,%rbx
  19:	4c 89 f0             	mov    %r14,%rax
  1c:	48 c1 e8 03          	shr    $0x3,%rax
  20:	48 b9 00 00 00 00 00 	movabs $0xdffffc0000000000,%rcx
  27:	fc ff df
* 2a:	80 3c 08 00          	cmpb   $0x0,(%rax,%rcx,1) <-- trapping instruction
  2e:	74 08                	je     0x38
  30:	4c 89 f7             	mov    %r14,%rdi
  33:	e8 a5 27 2b ff       	call   0xff2b27dd
  38:	49 89 1e             	mov    %rbx,(%r14)
  3b:	4c 89 eb             	mov    %r13,%rbx
  3e:	48                   	rex.W
  3f:	c1                   	.byte 0xc1