BUG: unable to handle page fault for address: ffffed1800000014 #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: 679 Comm: syz-executor.4 Tainted: G W 5.15.137-syzkaller-01792-g61cfd264993d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 RIP: 0010:__rb_insert lib/rbtree.c:115 [inline] RIP: 0010:__rb_insert_augmented+0x91/0x610 lib/rbtree.c:459 Code: 00 74 08 4c 89 ef e8 ae b3 2b ff 49 8b 45 00 a8 01 0f 85 60 05 00 00 48 89 5d a0 48 89 45 c0 48 8d 58 08 49 89 de 49 c1 ee 03 <43> 80 3c 26 00 74 08 48 89 df e8 80 b3 2b ff 48 89 d8 48 8b 1b 4c RSP: 0018:ffffc90000a378f8 EFLAGS: 00010a06 RAX: ffff88c000000098 RBX: ffff88c0000000a0 RCX: dffffc0000000000 RDX: ffffffff81a4d410 RSI: ffff88810fa68ef8 RDI: ffff888125436058 RBP: ffffc90000a37960 R08: dffffc0000000000 R09: ffff888125436060 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff88811e7b6870 R14: 1ffff11800000014 R15: ffff888124765748 FS: 00007f6df0d386c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed1800000014 CR3: 00000001233f2000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_insert_augmented include/linux/rbtree_augmented.h:50 [inline] vma_interval_tree_insert_after+0x2be/0x2d0 mm/interval_tree.c:57 dup_mmap kernel/fork.c:631 [inline] dup_mm kernel/fork.c:1521 [inline] copy_mm+0xba2/0x13e0 kernel/fork.c:1573 copy_process+0x12bc/0x3260 kernel/fork.c:2264 kernel_clone+0x21e/0x9e0 kernel/fork.c:2662 __do_sys_clone kernel/fork.c:2788 [inline] __se_sys_clone kernel/fork.c:2772 [inline] __x64_sys_clone+0x23f/0x290 kernel/fork.c:2772 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f6df11b5ae9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f6df0d38078 EFLAGS: 00000202 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007f6df12d4f80 RCX: 00007f6df11b5ae9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000738c0480 RBP: 00007f6df0d38120 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 R13: 000000000000000b R14: 00007f6df12d4f80 R15: 00007ffe52c53b18 Modules linked in: CR2: ffffed1800000014 ---[ end trace d41435f25d673093 ]--- RIP: 0010:__rb_insert lib/rbtree.c:115 [inline] RIP: 0010:__rb_insert_augmented+0x91/0x610 lib/rbtree.c:459 Code: 00 74 08 4c 89 ef e8 ae b3 2b ff 49 8b 45 00 a8 01 0f 85 60 05 00 00 48 89 5d a0 48 89 45 c0 48 8d 58 08 49 89 de 49 c1 ee 03 <43> 80 3c 26 00 74 08 48 89 df e8 80 b3 2b ff 48 89 d8 48 8b 1b 4c RSP: 0018:ffffc90000a378f8 EFLAGS: 00010a06 RAX: ffff88c000000098 RBX: ffff88c0000000a0 RCX: dffffc0000000000 RDX: ffffffff81a4d410 RSI: ffff88810fa68ef8 RDI: ffff888125436058 RBP: ffffc90000a37960 R08: dffffc0000000000 R09: ffff888125436060 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff88811e7b6870 R14: 1ffff11800000014 R15: ffff888124765748 FS: 00007f6df0d386c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed1800000014 CR3: 00000001233f2000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 00 74 08 4c add %dh,0x4c(%rax,%rcx,1) 4: 89 ef mov %ebp,%edi 6: e8 ae b3 2b ff call 0xff2bb3b9 b: 49 8b 45 00 mov 0x0(%r13),%rax f: a8 01 test $0x1,%al 11: 0f 85 60 05 00 00 jne 0x577 17: 48 89 5d a0 mov %rbx,-0x60(%rbp) 1b: 48 89 45 c0 mov %rax,-0x40(%rbp) 1f: 48 8d 58 08 lea 0x8(%rax),%rbx 23: 49 89 de mov %rbx,%r14 26: 49 c1 ee 03 shr $0x3,%r14 * 2a: 43 80 3c 26 00 cmpb $0x0,(%r14,%r12,1) <-- trapping instruction 2f: 74 08 je 0x39 31: 48 89 df mov %rbx,%rdi 34: e8 80 b3 2b ff call 0xff2bb3b9 39: 48 89 d8 mov %rbx,%rax 3c: 48 8b 1b mov (%rbx),%rbx 3f: 4c rex.WR