BUG: unable to handle page fault for address: ffffed1800000005 #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: 568 Comm: syz-executor102 Tainted: G W 5.15.94-syzkaller-03204-g5448b2fda85f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 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 be 51 31 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 90 51 31 ff 48 89 d8 48 8b 1b 4c RSP: 0018:ffffc900014af8d8 EFLAGS: 00010a06 RAX: ffff88c000000020 RBX: ffff88c000000028 RCX: dffffc0000000000 RDX: ffffffff81a3d410 RSI: ffff888109305af0 RDI: ffff88812148a058 RBP: ffffc900014af940 R08: dffffc0000000000 R09: ffff88812148a060 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff88811dfbb998 R14: 1ffff11800000005 R15: ffff888121e04870 FS: 00007f97a08d0700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed1800000005 CR3: 0000000121c4d000 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:630 [inline] dup_mm+0xa11/0x12c0 kernel/fork.c:1513 copy_mm+0x107/0x1b0 kernel/fork.c:1565 copy_process+0x12bc/0x3260 kernel/fork.c:2256 kernel_clone+0x21e/0x9e0 kernel/fork.c:2659 __do_sys_clone kernel/fork.c:2785 [inline] __se_sys_clone kernel/fork.c:2769 [inline] __x64_sys_clone+0x23f/0x290 kernel/fork.c:2769 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: 0033:0x7f97a092aec9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 31 19 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f97a08d01e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007f97a09b3248 RCX: 00007f97a092aec9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000008200 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000003536 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffef1ffef2f R14: 00007f97a08d0300 R15: 0000000000022000 Modules linked in: CR2: ffffed1800000005 ---[ end trace a6e230054a3a4f16 ]--- 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 be 51 31 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 90 51 31 ff 48 89 d8 48 8b 1b 4c RSP: 0018:ffffc900014af8d8 EFLAGS: 00010a06 RAX: ffff88c000000020 RBX: ffff88c000000028 RCX: dffffc0000000000 RDX: ffffffff81a3d410 RSI: ffff888109305af0 RDI: ffff88812148a058 RBP: ffffc900014af940 R08: dffffc0000000000 R09: ffff88812148a060 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff88811dfbb998 R14: 1ffff11800000005 R15: ffff888121e04870 FS: 00007f97a08d0700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed1800000005 CR3: 0000000121c4d000 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 be 51 31 ff callq 0xff3151c9 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 90 51 31 ff callq 0xff3151c9 39: 48 89 d8 mov %rbx,%rax 3c: 48 8b 1b mov (%rbx),%rbx 3f: 4c rex.WR