general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 1 PID: 417 Comm: syz-executor425 Not tainted 5.15.72-syzkaller-04310-g43eb03f7ce81 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
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+0x116/0xb60 lib/rbtree.c:413
Code: 00 74 08 4c 89 f7 e8 99 03 2d ff 4c 8b 6d c8 4d 89 2e 4d 89 ee 49 83 ce 01 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 6c 03 2d ff 4d 89 37 4d 89 ee 49 c1
RSP: 0018:ffffc9000041f928 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 1ffff11023670f33 RCX: dffffc0000000000
RDX: ffffffff81a6fa00 RSI: ffff88810973cf40 RDI: ffff88811ef3b4f8
RBP: ffffc9000041f988 R08: ffffffff81a6db99 R09: ffffed10212e79ec
R10: ffffed10212e79ec R11: 1ffff110212e79eb R12: ffff88811b387998
R13: ffff88811ef3b4f8 R14: ffff88811ef3b4f9 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6054be61c8 CR3: 0000000104fd5000 CR4: 00000000003506a0
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+0xa66/0xa80 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+0x13b/0x210 mm/memory.c:417
 exit_mmap+0x466/0x7a0 mm/mmap.c:3198
 __mmput+0x95/0x300 kernel/fork.c:1162
 mmput+0x50/0x60 kernel/fork.c:1184
 exit_mm+0x50d/0x760 kernel/exit.c:504
 do_exit+0x63c/0x24d0 kernel/exit.c:815
 do_group_exit+0x13a/0x300 kernel/exit.c:925
 __do_sys_exit_group kernel/exit.c:936 [inline]
 __se_sys_exit_group kernel/exit.c:934 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:934
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f6054b97389
Code: Unable to access opcode bytes at RIP 0x7f6054b9735f.
RSP: 002b:00007ffe1c912608 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f6054c201f0 RCX: 00007f6054b97389
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffffffffffb8 R09: 00007ffe1c9126a0
R10: 00007ffe1c9126a0 R11: 0000000000000246 R12: 00007f6054c201f0
R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001
 </TASK>
Modules linked in:
---[ end trace d7da67c254431e14 ]---
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+0x116/0xb60 lib/rbtree.c:413
Code: 00 74 08 4c 89 f7 e8 99 03 2d ff 4c 8b 6d c8 4d 89 2e 4d 89 ee 49 83 ce 01 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 6c 03 2d ff 4d 89 37 4d 89 ee 49 c1
RSP: 0018:ffffc9000041f928 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 1ffff11023670f33 RCX: dffffc0000000000
RDX: ffffffff81a6fa00 RSI: ffff88810973cf40 RDI: ffff88811ef3b4f8
RBP: ffffc9000041f988 R08: ffffffff81a6db99 R09: ffffed10212e79ec
R10: ffffed10212e79ec R11: 1ffff110212e79eb R12: ffff88811b387998
R13: ffff88811ef3b4f8 R14: ffff88811ef3b4f9 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6054be61c8 CR3: 000000011b3c5000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	00 74 08 4c          	add    %dh,0x4c(%rax,%rcx,1)
   4:	89 f7                	mov    %esi,%edi
   6:	e8 99 03 2d ff       	callq  0xff2d03a4
   b:	4c 8b 6d c8          	mov    -0x38(%rbp),%r13
   f:	4d 89 2e             	mov    %r13,(%r14)
  12:	4d 89 ee             	mov    %r13,%r14
  15:	49 83 ce 01          	or     $0x1,%r14
  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 6c 03 2d ff       	callq  0xff2d03a4
  38:	4d 89 37             	mov    %r14,(%r15)
  3b:	4d 89 ee             	mov    %r13,%r14
  3e:	49                   	rex.WB
  3f:	c1                   	.byte 0xc1