BUG: unable to handle page fault for address: ffffed1800000004
#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: 4950 Comm: syz.0.1701 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:110 [inline]
RIP: 0010:__rb_insert_augmented+0x71/0x720 lib/rbtree.c:459
Code: 48 89 5d a8 eb 13 4d 8b 3e 4d 89 f4 49 83 e7 fc 4d 89 3e 0f 84 91 06 00 00 4d 89 fd 49 c1 ed 03 48 b8 00 00 00 00 00 fc ff df <41> 80 7c 05 00 00 74 08 4c 89 ff e8 df 20 38 ff 49 8b 07 a8 01 0f
RSP: 0018:ffffc9000104f8c0 EFLAGS: 00010a02
RAX: dffffc0000000000 RBX: ffff888124d2a4f9 RCX: dffffc0000000000
RDX: ffffffff819c9ca0 RSI: ffff88810936daf0 RDI: ffff8881294a6620
RBP: ffffc9000104f920 R08: ffff8881294a6637 R09: ffff8881294a6628
R10: dffffc0000000000 R11: ffffed1025294cc7 R12: ffff888124d2a4f8
R13: 1ffff11800000004 R14: ffff888124d2a4f8 R15: ffff88c000000020
FS:  00007f6df44686c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffed1800000004 CR3: 000000018db24000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000200000000300 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: 0033:0x7f6df5a0d799
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:00007f6df4467fd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007f6df5c86fa0 RCX: 00007f6df5a0d799
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000403ac400
RBP: 00007f6df5aa3c99 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 00007f6df5c87038 R14: 00007f6df5c86fa0 R15: 00007ffd0c54f548
 </TASK>
Modules linked in:
CR2: ffffed1800000004
---[ end trace eb95a2ddeacdaa70 ]---
RIP: 0010:__rb_insert lib/rbtree.c:110 [inline]
RIP: 0010:__rb_insert_augmented+0x71/0x720 lib/rbtree.c:459
Code: 48 89 5d a8 eb 13 4d 8b 3e 4d 89 f4 49 83 e7 fc 4d 89 3e 0f 84 91 06 00 00 4d 89 fd 49 c1 ed 03 48 b8 00 00 00 00 00 fc ff df <41> 80 7c 05 00 00 74 08 4c 89 ff e8 df 20 38 ff 49 8b 07 a8 01 0f
RSP: 0018:ffffc9000104f8c0 EFLAGS: 00010a02

RAX: dffffc0000000000 RBX: ffff888124d2a4f9 RCX: dffffc0000000000
RDX: ffffffff819c9ca0 RSI: ffff88810936daf0 RDI: ffff8881294a6620
RBP: ffffc9000104f920 R08: ffff8881294a6637 R09: ffff8881294a6628
R10: dffffc0000000000 R11: ffffed1025294cc7 R12: ffff888124d2a4f8
R13: 1ffff11800000004 R14: ffff888124d2a4f8 R15: ffff88c000000020
FS:  00007f6df44686c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffed1800000004 CR3: 000000018db24000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000200000000300 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
----------------
Code disassembly (best guess):
   0:	48 89 5d a8          	mov    %rbx,-0x58(%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 91 06 00 00    	je     0x6aa
  19:	4d 89 fd             	mov    %r15,%r13
  1c:	49 c1 ed 03          	shr    $0x3,%r13
  20:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  27:	fc ff df
* 2a:	41 80 7c 05 00 00    	cmpb   $0x0,0x0(%r13,%rax,1) <-- trapping instruction
  30:	74 08                	je     0x3a
  32:	4c 89 ff             	mov    %r15,%rdi
  35:	e8 df 20 38 ff       	call   0xff382119
  3a:	49 8b 07             	mov    (%r15),%rax
  3d:	a8 01                	test   $0x1,%al
  3f:	0f                   	.byte 0xf