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: 7121 Comm: syz.0.2129 Not tainted 5.15.180-syzkaller-android13-5.15.180_r00 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
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 a8 2a 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 a8 2a ff 49 89 1e 4c 89 eb 48 c1
RSP: 0018:ffffc90000977a20 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff8881250dd749 RCX: dffffc0000000000
RDX: ffffffff81a54270 RSI: ffff88810993c390 RDI: ffff8881250dd748
RBP: ffffc90000977a80 R08: ffffffff81a52330 R09: ffffed1021327876
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11023a552e9
R13: ffff8881250dd748 R14: 0000000000000000 R15: ffff88811d2a9748
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000100000000 CR3: 00000001ac938000 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:159 [inline]
 unlink_file_vma+0xd9/0xf0 mm/mmap.c:174
 free_pgtables+0x13f/0x280 mm/memory.c:490
 exit_mmap+0x47c/0x990 mm/mmap.c:3235
 __mmput+0x95/0x310 kernel/fork.c:1180
 mmput+0x5b/0x170 kernel/fork.c:1203
 exit_mm kernel/exit.c:554 [inline]
 do_exit+0xb9c/0x2ca0 kernel/exit.c:867
 __do_sys_exit kernel/exit.c:971 [inline]
 __se_sys_exit kernel/exit.c:969 [inline]
 __x64_sys_exit+0x40/0x40 kernel/exit.c:969
 x64_sys_call+0x1cc/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:61
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0x80 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f53f4929969
Code: Unable to access opcode bytes at RIP 0x7f53f492993f.
RSP: 002b:00007f53f2f91fe8 EFLAGS: 00000246 ORIG_RAX: 000000000000003c
RAX: ffffffffffffffda RBX: 00007f53f4b50fa0 RCX: 00007f53f4929969
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f53f49abab1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f53f4b50fa0 R15: 00007ffcd9418c48
 </TASK>
Modules linked in:
---[ end trace ef5bfbc64b389e96 ]---
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 a8 2a 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 a8 2a ff 49 89 1e 4c 89 eb 48 c1
RSP: 0018:ffffc90000977a20 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff8881250dd749 RCX: dffffc0000000000
RDX: ffffffff81a54270 RSI: ffff88810993c390 RDI: ffff8881250dd748
RBP: ffffc90000977a80 R08: ffffffff81a52330 R09: ffffed1021327876
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11023a552e9
R13: ffff8881250dd748 R14: 0000000000000000 R15: ffff88811d2a9748
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f18ec1bbff8 CR3: 0000000127382000 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 a8 2a ff       	call   0xff2aa8dd
   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 a8 2a ff       	call   0xff2aa8dd
  38:	49 89 1e             	mov    %rbx,(%r14)
  3b:	4c 89 eb             	mov    %r13,%rbx
  3e:	48                   	rex.W
  3f:	c1                   	.byte 0xc1