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: 10535 Comm: syz-executor Tainted: G        W         5.15.167-syzkaller-02003-g5e4635681cf1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:rb_set_parent_color include/linux/rbtree_augmented.h:165 [inline]
RIP: 0010:____rb_erase_color lib/rbtree.c:255 [inline]
RIP: 0010:__rb_erase_color+0x10e/0xa60 lib/rbtree.c:413
Code: 89 ff e8 c5 cf 2a ff 4c 8b 6d d0 4d 89 2f 4c 89 eb 48 83 cb 01 4c 8b 7d c0 4c 89 f8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 ff e8 94 cf 2a ff 49 89 1f 4c 89 eb 48 c1
RSP: 0018:ffffc900009576a0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff8881063e2059 RCX: dffffc0000000000
RDX: ffffffff81a56990 RSI: ffff88810df83db8 RDI: ffff8881063e2058
RBP: ffffc90000957700 R08: ffffffff81a54a50 R09: ffffed1021bf07bb
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11024981b0e
R13: ffff8881063e2058 R14: ffff888124c0d870 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa4fff58210 CR3: 000000011bd92000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000020000300 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:159 [inline]
 unlink_file_vma+0xd9/0xf0 mm/mmap.c:174
 free_pgtables+0x13f/0x280 mm/memory.c:490
 exit_mmap+0x405/0x940 mm/mmap.c:3217
 __mmput+0x95/0x310 kernel/fork.c:1179
 mmput+0x5b/0x170 kernel/fork.c:1202
 exit_mm kernel/exit.c:554 [inline]
 do_exit+0xb9c/0x2ca0 kernel/exit.c:867
 do_group_exit+0x141/0x310 kernel/exit.c:1002
 get_signal+0x7a3/0x1630 kernel/signal.c:2904
 arch_do_signal_or_restart+0xbd/0x1680 arch/x86/kernel/signal.c:867
 handle_signal_work kernel/entry/common.c:154 [inline]
 exit_to_user_mode_loop+0xa0/0xe0 kernel/entry/common.c:178
 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x26/0x160 kernel/entry/common.c:307
 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f7901ea10a3
Code: Unable to access opcode bytes at RIP 0x7f7901ea1079.
RSP: 002b:00007ffcd83c1f88 EFLAGS: 00000202 ORIG_RAX: 00000000000000e6
RAX: 0000000000000000 RBX: 00000000000001c8 RCX: 00007f7901ea10a3
RDX: 00007ffcd83c1fa0 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007ffcd83c1ffc R08: 00007ffcd83de080 R09: 00007ffcd83de0b0
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000032
R13: 000000000005c298 R14: 000000000005c277 R15: 00007ffcd83c2050
 </TASK>
Modules linked in:
---[ end trace 4a8fdfe52170cf7e ]---
RIP: 0010:rb_set_parent_color include/linux/rbtree_augmented.h:165 [inline]
RIP: 0010:____rb_erase_color lib/rbtree.c:255 [inline]
RIP: 0010:__rb_erase_color+0x10e/0xa60 lib/rbtree.c:413
Code: 89 ff e8 c5 cf 2a ff 4c 8b 6d d0 4d 89 2f 4c 89 eb 48 83 cb 01 4c 8b 7d c0 4c 89 f8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 ff e8 94 cf 2a ff 49 89 1f 4c 89 eb 48 c1
RSP: 0018:ffffc900009576a0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff8881063e2059 RCX: dffffc0000000000
RDX: ffffffff81a56990 RSI: ffff88810df83db8 RDI: ffff8881063e2058
RBP: ffffc90000957700 R08: ffffffff81a54a50 R09: ffffed1021bf07bb
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11024981b0e
R13: ffff8881063e2058 R14: ffff888124c0d870 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa4fff58210 CR3: 000000010c268000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
----------------
Code disassembly (best guess):
   0:	89 ff                	mov    %edi,%edi
   2:	e8 c5 cf 2a ff       	call   0xff2acfcc
   7:	4c 8b 6d d0          	mov    -0x30(%rbp),%r13
   b:	4d 89 2f             	mov    %r13,(%r15)
   e:	4c 89 eb             	mov    %r13,%rbx
  11:	48 83 cb 01          	or     $0x1,%rbx
  15:	4c 8b 7d c0          	mov    -0x40(%rbp),%r15
  19:	4c 89 f8             	mov    %r15,%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 ff             	mov    %r15,%rdi
  33:	e8 94 cf 2a ff       	call   0xff2acfcc
  38:	49 89 1f             	mov    %rbx,(%r15)
  3b:	4c 89 eb             	mov    %r13,%rbx
  3e:	48                   	rex.W
  3f:	c1                   	.byte 0xc1