BUG: unable to handle page fault for address: ffffed1800000020
#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: 1469 Comm: syz.2.342 Tainted: G        W         syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:__rb_insert lib/rbtree.c:115 [inline]
RIP: 0010:__rb_insert_augmented+0xa9/0x720 lib/rbtree.c:459
Code: 38 ff 49 8b 07 a8 01 0f 85 53 06 00 00 4c 89 65 c8 48 89 45 d0 4c 8d 70 08 4c 89 f3 48 c1 eb 03 48 b8 00 00 00 00 00 fc ff df <80> 3c 03 00 74 08 4c 89 f7 e8 a9 20 38 ff 4d 8b 26 4d 39 fc 74 34
RSP: 0018:ffffc900012c78c0 EFLAGS: 00010a02
RAX: dffffc0000000000 RBX: 1ffff11800000020 RCX: dffffc0000000000
RDX: ffffffff819c9ca0 RSI: ffff888109892c30 RDI: ffff8881144d2870
RBP: ffffc900012c7920 R08: ffff8881144d2887 R09: ffff8881144d2878
R10: dffffc0000000000 R11: ffffed102289a511 R12: ffff888115f98e38
R13: 1ffff11023cf3358 R14: ffff88c000000100 R15: ffff88811e799ac0
FS:  00007f9c9ac3a6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffed1800000020 CR3: 0000000129495000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <TASK>
 rb_insert_augmented include/linux/rbtree_augmented.h:50 [inline]
 vma_interval_tree_insert_after+0x2a1/0x2b0 mm/interval_tree.c:57
 dup_mmap kernel/fork.c:632 [inline]
 dup_mm kernel/fork.c:1522 [inline]
 copy_mm+0xb2d/0x13c0 kernel/fork.c:1574
 copy_process+0x117c/0x3250 kernel/fork.c:2348
 kernel_clone+0x233/0x960 kernel/fork.c:2737
 __do_sys_clone kernel/fork.c:2863 [inline]
 __se_sys_clone kernel/fork.c:2847 [inline]
 __x64_sys_clone+0x198/0x210 kernel/fork.c:2847
 x64_sys_call+0x41f/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:57
 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: 0033:0x7f9c9c1df799
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f9c9ac39fd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007f9c9c458fa0 RCX: 00007f9c9c1df799
RDX: 0000200000002140 RSI: 0000200000002110 RDI: 0000000069020000
RBP: 00007f9c9c275c99 R08: 00002000000021c0 R09: 00002000000021c0
R10: 0000200000002180 R11: 0000000000000206 R12: 0000000000000000
R13: 00007f9c9c459038 R14: 00007f9c9c458fa0 R15: 00007ffdd2a7f978
 </TASK>
Modules linked in:
CR2: ffffed1800000020
---[ end trace ffd89fcd5753e2b2 ]---
RIP: 0010:__rb_insert lib/rbtree.c:115 [inline]
RIP: 0010:__rb_insert_augmented+0xa9/0x720 lib/rbtree.c:459
Code: 38 ff 49 8b 07 a8 01 0f 85 53 06 00 00 4c 89 65 c8 48 89 45 d0 4c 8d 70 08 4c 89 f3 48 c1 eb 03 48 b8 00 00 00 00 00 fc ff df <80> 3c 03 00 74 08 4c 89 f7 e8 a9 20 38 ff 4d 8b 26 4d 39 fc 74 34
RSP: 0018:ffffc900012c78c0 EFLAGS: 00010a02
RAX: dffffc0000000000 RBX: 1ffff11800000020 RCX: dffffc0000000000
RDX: ffffffff819c9ca0 RSI: ffff888109892c30 RDI: ffff8881144d2870
RBP: ffffc900012c7920 R08: ffff8881144d2887 R09: ffff8881144d2878
R10: dffffc0000000000 R11: ffffed102289a511 R12: ffff888115f98e38
R13: 1ffff11023cf3358 R14: ffff88c000000100 R15: ffff88811e799ac0
FS:  00007f9c9ac3a6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffed1800000020 CR3: 0000000129495000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
----------------
Code disassembly (best guess):
   0:	38 ff                	cmp    %bh,%bh
   2:	49 8b 07             	mov    (%r15),%rax
   5:	a8 01                	test   $0x1,%al
   7:	0f 85 53 06 00 00    	jne    0x660
   d:	4c 89 65 c8          	mov    %r12,-0x38(%rbp)
  11:	48 89 45 d0          	mov    %rax,-0x30(%rbp)
  15:	4c 8d 70 08          	lea    0x8(%rax),%r14
  19:	4c 89 f3             	mov    %r14,%rbx
  1c:	48 c1 eb 03          	shr    $0x3,%rbx
  20:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  27:	fc ff df
* 2a:	80 3c 03 00          	cmpb   $0x0,(%rbx,%rax,1) <-- trapping instruction
  2e:	74 08                	je     0x38
  30:	4c 89 f7             	mov    %r14,%rdi
  33:	e8 a9 20 38 ff       	call   0xff3820e1
  38:	4d 8b 26             	mov    (%r14),%r12
  3b:	4d 39 fc             	cmp    %r15,%r12
  3e:	74 34                	je     0x74