BUG: unable to handle page fault for address: ffffed1800000015
#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: 1 PID: 787 Comm: syz.2.173 Tainted: G        W         syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/25/2026
RIP: 0010:__rb_insert lib/rbtree.c:110 [inline]
RIP: 0010:__rb_insert_augmented+0x71/0x6f0 lib/rbtree.c:459
Code: 48 89 5d b8 eb 13 4d 8b 3e 4d 89 f4 49 83 e7 fc 4d 89 3e 0f 84 5e 06 00 00 4c 89 fb 48 c1 eb 03 48 b8 00 00 00 00 00 fc ff df <80> 3c 03 00 74 08 4c 89 ff e8 b1 37 38 ff 4d 8b 37 41 f6 c6 01 0f
RSP: 0018:ffffc90000a278f8 EFLAGS: 00010a02
RAX: dffffc0000000000 RBX: 1ffff11800000015 RCX: dffffc0000000000
RDX: ffffffff819ccc20 RSI: ffff888112e24f40 RDI: ffff88811409d2a8
RBP: ffffc90000a27948 R08: ffff88811409d2bf R09: ffff88811409d2b0
R10: dffffc0000000000 R11: ffffed1022813a58 R12: ffff88811f038870
R13: ffff88811f038871 R14: ffff88811f038870 R15: ffff88c0000000a8
FS:  00007f8a616c86c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffed1800000015 CR3: 000000010ee05000 CR4: 00000000003506a0
DR0: 0000200000000300 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+0x2a6/0x2c0 mm/interval_tree.c:57
 dup_mmap kernel/fork.c:635 [inline]
 dup_mm kernel/fork.c:1527 [inline]
 copy_mm+0xb34/0x13a0 kernel/fork.c:1579
 copy_process+0x1184/0x3280 kernel/fork.c:2353
 kernel_clone+0x233/0x960 kernel/fork.c:2742
 __do_sys_clone kernel/fork.c:2868 [inline]
 __se_sys_clone kernel/fork.c:2852 [inline]
 __x64_sys_clone+0x198/0x210 kernel/fork.c:2852
 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: 0033:0x7f8a62c8fe99
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:00007f8a616c7fd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007f8a62f18090 RCX: 00007f8a62c8fe99
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000041122000
RBP: 00007f8a62d25eaf R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 00007f8a62f18128 R14: 00007f8a62f18090 R15: 00007fff9e24fe38
 </TASK>
Modules linked in:
CR2: ffffed1800000015
---[ end trace 7dd1e298e19ae637 ]---
RIP: 0010:__rb_insert lib/rbtree.c:110 [inline]
RIP: 0010:__rb_insert_augmented+0x71/0x6f0 lib/rbtree.c:459
Code: 48 89 5d b8 eb 13 4d 8b 3e 4d 89 f4 49 83 e7 fc 4d 89 3e 0f 84 5e 06 00 00 4c 89 fb 48 c1 eb 03 48 b8 00 00 00 00 00 fc ff df <80> 3c 03 00 74 08 4c 89 ff e8 b1 37 38 ff 4d 8b 37 41 f6 c6 01 0f
RSP: 0018:ffffc90000a278f8 EFLAGS: 00010a02
RAX: dffffc0000000000 RBX: 1ffff11800000015 RCX: dffffc0000000000
RDX: ffffffff819ccc20 RSI: ffff888112e24f40 RDI: ffff88811409d2a8
RBP: ffffc90000a27948 R08: ffff88811409d2bf R09: ffff88811409d2b0
R10: dffffc0000000000 R11: ffffed1022813a58 R12: ffff88811f038870
R13: ffff88811f038871 R14: ffff88811f038870 R15: ffff88c0000000a8
FS:  00007f8a616c86c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffed1800000015 CR3: 000000010ee05000 CR4: 00000000003506a0
DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
----------------
Code disassembly (best guess):
   0:	48 89 5d b8          	mov    %rbx,-0x48(%rbp)
   4:	eb 13                	jmp    0x19
   6:	4d 8b 3e             	mov    (%r14),%r15
   9:	4d 89 f4             	mov    %r14,%r12
   c:	49 83 e7 fc          	and    $0xfffffffffffffffc,%r15
  10:	4d 89 3e             	mov    %r15,(%r14)
  13:	0f 84 5e 06 00 00    	je     0x677
  19:	4c 89 fb             	mov    %r15,%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 ff             	mov    %r15,%rdi
  33:	e8 b1 37 38 ff       	call   0xff3837e9
  38:	4d 8b 37             	mov    (%r15),%r14
  3b:	41 f6 c6 01          	test   $0x1,%r14b
  3f:	0f                   	.byte 0xf