BUG: unable to handle page fault for address: ffffed180000000d
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 23fff2067 P4D 23fff2067 PUD 0 
Oops: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 281 Comm: syz-executor Tainted: G        W         syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:__rb_change_child include/linux/rbtree_augmented.h:173 [inline]
RIP: 0010:__rb_erase_augmented include/linux/rbtree_augmented.h:283 [inline]
RIP: 0010:rb_erase_augmented include/linux/rbtree_augmented.h:303 [inline]
RIP: 0010:rb_erase_augmented_cached include/linux/rbtree_augmented.h:314 [inline]
RIP: 0010:vma_interval_tree_remove+0x798/0xb00 mm/interval_tree.c:23
Code: 4c 89 fb 48 83 e3 fc 0f 84 a8 00 00 00 4c 89 7d d0 4c 89 65 c8 4c 8d 63 10 4d 89 e7 49 c1 ef 03 48 b8 00 00 00 00 00 fc ff df <41> 80 3c 07 00 74 08 4c 89 e7 e8 89 5b 0c 00 48 8b 45 b8 49 39 04
RSP: 0018:ffffc90000a07730 EFLAGS: 00010a02
RAX: dffffc0000000000 RBX: ffff88c000000058 RCX: ffff8881208662c0
RDX: 0000000000000000 RSI: ffff88c000000058 RDI: 0000000000000000
RBP: ffffc90000a07798 R08: dffffc0000000000 R09: ffffed10223441e3
R10: ffffed10223441e3 R11: 1ffff110223441e2 R12: ffff88c000000068
R13: ffff88812671e058 R14: ffff88812671e058 R15: 1ffff1180000000d
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffed180000000d CR3: 000000011ee96000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000200000000300 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <TASK>
 __remove_shared_vm_struct mm/mmap.c:160 [inline]
 unlink_file_vma+0xda/0xf0 mm/mmap.c:175
 free_pgtables+0x139/0x280 mm/memory.c:490
 exit_mmap+0x407/0x860 mm/mmap.c:3247
 __mmput+0x93/0x320 kernel/fork.c:1180
 mmput+0x50/0x150 kernel/fork.c:1203
 exit_mm kernel/exit.c:554 [inline]
 do_exit+0x9d2/0x27a0 kernel/exit.c:876
 do_group_exit+0x141/0x310 kernel/exit.c:1003
 get_signal+0x66a/0x1480 kernel/signal.c:2907
 arch_do_signal_or_restart+0xc1/0x10f0 arch/x86/kernel/signal.c:867
 handle_signal_work kernel/entry/common.c:154 [inline]
 exit_to_user_mode_loop+0xa7/0xe0 kernel/entry/common.c:178
 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:307
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f671fcf1853
Code: Unable to access opcode bytes at RIP 0x7f671fcf1829.
RSP: 002b:00007ffd6a170568 EFLAGS: 00000202 ORIG_RAX: 000000000000003d
RAX: fffffffffffffe00 RBX: 000000000000011d RCX: 00007f671fcf1853
RDX: 0000000040000000 RSI: 00007ffd6a17057c RDI: 00000000ffffffff
RBP: 00007ffd6a17057c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000008
R13: 0000000000000003 R14: 00007ffd6a170868 R15: 0000000000000000
 </TASK>
Modules linked in:
CR2: ffffed180000000d
---[ end trace 3d36a67d39f62caa ]---
RIP: 0010:__rb_change_child include/linux/rbtree_augmented.h:173 [inline]
RIP: 0010:__rb_erase_augmented include/linux/rbtree_augmented.h:283 [inline]
RIP: 0010:rb_erase_augmented include/linux/rbtree_augmented.h:303 [inline]
RIP: 0010:rb_erase_augmented_cached include/linux/rbtree_augmented.h:314 [inline]
RIP: 0010:vma_interval_tree_remove+0x798/0xb00 mm/interval_tree.c:23
Code: 4c 89 fb 48 83 e3 fc 0f 84 a8 00 00 00 4c 89 7d d0 4c 89 65 c8 4c 8d 63 10 4d 89 e7 49 c1 ef 03 48 b8 00 00 00 00 00 fc ff df <41> 80 3c 07 00 74 08 4c 89 e7 e8 89 5b 0c 00 48 8b 45 b8 49 39 04
RSP: 0018:ffffc90000a07730 EFLAGS: 00010a02
RAX: dffffc0000000000 RBX: ffff88c000000058 RCX: ffff8881208662c0
RDX: 0000000000000000 RSI: ffff88c000000058 RDI: 0000000000000000
RBP: ffffc90000a07798 R08: dffffc0000000000 R09: ffffed10223441e3
R10: ffffed10223441e3 R11: 1ffff110223441e2 R12: ffff88c000000068
R13: ffff88812671e058 R14: ffff88812671e058 R15: 1ffff1180000000d
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffed180000000d CR3: 000000011ee96000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000200000000300 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
----------------
Code disassembly (best guess):
   0:	4c 89 fb             	mov    %r15,%rbx
   3:	48 83 e3 fc          	and    $0xfffffffffffffffc,%rbx
   7:	0f 84 a8 00 00 00    	je     0xb5
   d:	4c 89 7d d0          	mov    %r15,-0x30(%rbp)
  11:	4c 89 65 c8          	mov    %r12,-0x38(%rbp)
  15:	4c 8d 63 10          	lea    0x10(%rbx),%r12
  19:	4d 89 e7             	mov    %r12,%r15
  1c:	49 c1 ef 03          	shr    $0x3,%r15
  20:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  27:	fc ff df
* 2a:	41 80 3c 07 00       	cmpb   $0x0,(%r15,%rax,1) <-- trapping instruction
  2f:	74 08                	je     0x39
  31:	4c 89 e7             	mov    %r12,%rdi
  34:	e8 89 5b 0c 00       	call   0xc5bc2
  39:	48 8b 45 b8          	mov    -0x48(%rbp),%rax
  3d:	49                   	rex.WB
  3e:	39                   	.byte 0x39
  3f:	04                   	.byte 0x4