BUG: unable to handle page fault for address: ffffed180000001f
#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: 11629 Comm: syz-executor Tainted: G        W         5.15.180-syzkaller-00947-g8034ec1338e8 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
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+0x8a4/0xba0 mm/interval_tree.c:23
Code: 31 ff e8 9f f9 ca ff 4d 89 fd 49 83 e5 fc 74 3d e8 51 f5 ca ff 4d 8d 75 10 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 ae 61 0d 00 4c 89 eb 48 83 c3 08 48
RSP: 0018:ffffc90000c17a30 EFLAGS: 00010a02
RAX: 1ffff1180000001f RBX: ffff88811791e4f8 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: ffff88c0000000e8 RDI: 0000000000000000
RBP: ffffc90000c17a98 R08: ffffffff81a58261 R09: ffffed1021329359
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888119854748
R13: ffff88c0000000e8 R14: ffff88c0000000f8 R15: ffff88c0000000e9
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffed180000001f CR3: 0000000149142000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <TASK>
 __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_group_exit+0x141/0x310 kernel/exit.c:1002
 __do_sys_exit_group kernel/exit.c:1013 [inline]
 __se_sys_exit_group kernel/exit.c:1011 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1011
 x64_sys_call+0x610/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fc3fec9b169
Code: Unable to access opcode bytes at RIP 0x7fc3fec9b13f.
RSP: 002b:00007ffc71ab3ec8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000043 RCX: 00007fc3fec9b169
RDX: 00007fc3fec99be0 RSI: 0000000000000004 RDI: 0000000000000043
RBP: 00007fc3feec3738 R08: 00007ffc71ab1c66 R09: 0000000000000008
R10: 000000000000001a R11: 0000000000000246 R12: 0000000000000008
R13: 0000000000000003 R14: 0000000000000009 R15: 0000000000000000
 </TASK>
Modules linked in:
CR2: ffffed180000001f
---[ end trace b90a65ad777f402e ]---
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+0x8a4/0xba0 mm/interval_tree.c:23
Code: 31 ff e8 9f f9 ca ff 4d 89 fd 49 83 e5 fc 74 3d e8 51 f5 ca ff 4d 8d 75 10 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 ae 61 0d 00 4c 89 eb 48 83 c3 08 48
RSP: 0018:ffffc90000c17a30 EFLAGS: 00010a02
RAX: 1ffff1180000001f RBX: ffff88811791e4f8 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: ffff88c0000000e8 RDI: 0000000000000000
RBP: ffffc90000c17a98 R08: ffffffff81a58261 R09: ffffed1021329359
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888119854748
R13: ffff88c0000000e8 R14: ffff88c0000000f8 R15: ffff88c0000000e9
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffed180000001f CR3: 0000000149142000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
----------------
Code disassembly (best guess):
   0:	31 ff                	xor    %edi,%edi
   2:	e8 9f f9 ca ff       	call   0xffcaf9a6
   7:	4d 89 fd             	mov    %r15,%r13
   a:	49 83 e5 fc          	and    $0xfffffffffffffffc,%r13
   e:	74 3d                	je     0x4d
  10:	e8 51 f5 ca ff       	call   0xffcaf566
  15:	4d 8d 75 10          	lea    0x10(%r13),%r14
  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 ae 61 0d 00       	call   0xd61e6
  38:	4c 89 eb             	mov    %r13,%rbx
  3b:	48 83 c3 08          	add    $0x8,%rbx
  3f:	48                   	rex.W