BUG: unable to handle page fault for address: ffffed180000000f
#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: 5234 Comm: syz-executor Tainted: G        W         5.15.189-syzkaller-android13-5.15.189_r00 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:vma_last_pgoff mm/interval_tree.c:20 [inline]
RIP: 0010:vma_interval_tree_augment_compute_max mm/interval_tree.c:23 [inline]
RIP: 0010:vma_interval_tree_augment_propagate mm/interval_tree.c:23 [inline]
RIP: 0010:__rb_erase_augmented include/linux/rbtree_augmented.h:295 [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+0x985/0xb00 mm/interval_tree.c:23
Code: 3c 18 00 74 08 4c 89 f7 e8 48 56 0c 00 4d 8b 36 49 83 e6 fc 0f 84 44 01 00 00 e8 56 db cd ff 49 8d 7e 40 48 89 f8 48 c1 e8 03 <80> 3c 18 00 74 05 e8 20 56 0c 00 4d 8b 6e 40 4d 8d 7e b0 4c 89 f8
RSP: 0018:ffffc9000134f9e8 EFLAGS: 00010a06
RAX: 1ffff1180000000f RBX: dffffc0000000000 RCX: ffff888114d43b40
RDX: 0000000000000000 RSI: 0000000000000380 RDI: ffff88c000000078
RBP: ffffc9000134fa50 R08: dffffc0000000000 R09: ffffed10261aab8a
R10: ffffed10261aab8a R11: 1ffff110261aab89 R12: 1ffff11023bfc00e
R13: 0000000000000389 R14: ffff88c000000038 R15: 0000000000000380
FS:  0000555581485500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffed180000000f CR3: 000000012e769000 CR4: 00000000003506b0
DR0: 0000000000000002 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <TASK>
 __vma_adjust+0x7d8/0x17b0 mm/mmap.c:883
 vma_adjust include/linux/mm.h:2614 [inline]
 __split_vma+0x32b/0x3e0 mm/mmap.c:-1
 split_vma+0x7c/0xd0 mm/mmap.c:2809
 mprotect_fixup+0x535/0x7d0 mm/mprotect.c:490
 do_mprotect_pkey+0x70b/0xa80 mm/mprotect.c:646
 __do_sys_mprotect mm/mprotect.c:673 [inline]
 __se_sys_mprotect mm/mprotect.c:670 [inline]
 __x64_sys_mprotect+0x80/0x90 mm/mprotect.c:670
 x64_sys_call+0x912/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:11
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fdd5d4b0ca7
Code: 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 0a 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffcd498da88 EFLAGS: 00000206 ORIG_RAX: 000000000000000a
RAX: ffffffffffffffda RBX: 00007fdd5d6aa720 RCX: 00007fdd5d4b0ca7
RDX: 0000000000000001 RSI: 00000000000e7000 RDI: 00007fdd5d5bc000
RBP: 00007ffcd498dbc8 R08: 0000555581486810 R09: 0000555581486830
R10: 0000000000000005 R11: 0000000000000206 R12: 00007ffcd498dbe0
R13: 00007ffcd498dbc8 R14: 00007ffcd498db60 R15: 00007ffcd498db58
 </TASK>
Modules linked in:
CR2: ffffed180000000f
---[ end trace b75050d4a353dbf6 ]---
RIP: 0010:vma_last_pgoff mm/interval_tree.c:20 [inline]
RIP: 0010:vma_interval_tree_augment_compute_max mm/interval_tree.c:23 [inline]
RIP: 0010:vma_interval_tree_augment_propagate mm/interval_tree.c:23 [inline]
RIP: 0010:__rb_erase_augmented include/linux/rbtree_augmented.h:295 [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+0x985/0xb00 mm/interval_tree.c:23
Code: 3c 18 00 74 08 4c 89 f7 e8 48 56 0c 00 4d 8b 36 49 83 e6 fc 0f 84 44 01 00 00 e8 56 db cd ff 49 8d 7e 40 48 89 f8 48 c1 e8 03 <80> 3c 18 00 74 05 e8 20 56 0c 00 4d 8b 6e 40 4d 8d 7e b0 4c 89 f8
RSP: 0018:ffffc9000134f9e8 EFLAGS: 00010a06
RAX: 1ffff1180000000f RBX: dffffc0000000000 RCX: ffff888114d43b40
RDX: 0000000000000000 RSI: 0000000000000380 RDI: ffff88c000000078
RBP: ffffc9000134fa50 R08: dffffc0000000000 R09: ffffed10261aab8a
R10: ffffed10261aab8a R11: 1ffff110261aab89 R12: 1ffff11023bfc00e
R13: 0000000000000389 R14: ffff88c000000038 R15: 0000000000000380
FS:  0000555581485500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffed180000000f CR3: 000000012e769000 CR4: 00000000003506b0
DR0: 0000000000000002 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
----------------
Code disassembly (best guess):
   0:	3c 18                	cmp    $0x18,%al
   2:	00 74 08 4c          	add    %dh,0x4c(%rax,%rcx,1)
   6:	89 f7                	mov    %esi,%edi
   8:	e8 48 56 0c 00       	call   0xc5655
   d:	4d 8b 36             	mov    (%r14),%r14
  10:	49 83 e6 fc          	and    $0xfffffffffffffffc,%r14
  14:	0f 84 44 01 00 00    	je     0x15e
  1a:	e8 56 db cd ff       	call   0xffcddb75
  1f:	49 8d 7e 40          	lea    0x40(%r14),%rdi
  23:	48 89 f8             	mov    %rdi,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	80 3c 18 00          	cmpb   $0x0,(%rax,%rbx,1) <-- trapping instruction
  2e:	74 05                	je     0x35
  30:	e8 20 56 0c 00       	call   0xc5655
  35:	4d 8b 6e 40          	mov    0x40(%r14),%r13
  39:	4d 8d 7e b0          	lea    -0x50(%r14),%r15
  3d:	4c 89 f8             	mov    %r15,%rax