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: 359 Comm: syz-executor362 Not tainted 5.15.106-syzkaller-00249-g19c0ed55a470 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
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 86 28 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 55 28 2b ff 49 89 1e 4c 89 eb 48 c1
RSP: 0018:ffffc90000b576a0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff88811c484621 RCX: dffffc0000000000
RDX: ffffffff81a44dc0 RSI: ffff88810fa6cf40 RDI: ffff88811c484620
RBP: ffffc90000b57700 R08: ffffffff81a42e80 R09: ffffed1021f4d9ec
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11023e37333
R13: ffff88811c484620 R14: 0000000000000000 R15: ffff88811f1b9998
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe18bb83e8 CR3: 000000011b1b5000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
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:1171
 mmput+0x5b/0x170 kernel/fork.c:1194
 exit_mm kernel/exit.c:551 [inline]
 do_exit+0xbb4/0x2b60 kernel/exit.c:862
 do_group_exit+0x141/0x310 kernel/exit.c:997
 get_signal+0x7a3/0x1630 kernel/signal.c:2891
 arch_do_signal_or_restart+0xbd/0x1680 arch/x86/kernel/signal.c:865
 handle_signal_work kernel/entry/common.c:148 [inline]
 exit_to_user_mode_loop+0xa0/0xe0 kernel/entry/common.c:172
 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:208
 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline]
 syscall_exit_to_user_mode+0x26/0x160 kernel/entry/common.c:301
 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f76559d9c29
Code: Unable to access opcode bytes at RIP 0x7f76559d9bff.
RSP: 002b:00007f765596a2f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f7655a624b8 RCX: 00007f76559d9c29
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f7655a624b8
RBP: 00007f7655a624b0 R08: 0000000000003137 R09: 0000000000003137
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f765596a300
R13: 0000000000000002 R14: 00007f765596a400 R15: 0000000000022000
 </TASK>
Modules linked in:
---[ end trace 62ce4a51db958803 ]---
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 86 28 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 55 28 2b ff 49 89 1e 4c 89 eb 48 c1
RSP: 0018:ffffc90000b576a0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff88811c484621 RCX: dffffc0000000000
RDX: ffffffff81a44dc0 RSI: ffff88810fa6cf40 RDI: ffff88811c484620
RBP: ffffc90000b57700 R08: ffffffff81a42e80 R09: ffffed1021f4d9ec
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11023e37333
R13: ffff88811c484620 R14: 0000000000000000 R15: ffff88811f1b9998
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055555652e2b8 CR3: 000000011c471000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	89 ef                	mov    %ebp,%edi
   2:	e8 86 28 2b ff       	callq  0xff2b288d
   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 55 28 2b ff       	callq  0xff2b288d
  38:	49 89 1e             	mov    %rbx,(%r14)
  3b:	4c 89 eb             	mov    %r13,%rbx
  3e:	48                   	rex.W
  3f:	c1                   	.byte 0xc1