BUG: unable to handle page fault for address: ffffed180000000c #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: 7141 Comm: syz-executor.3 Tainted: G W 5.15.72-syzkaller-04310-g43eb03f7ce81 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 RIP: 0010:__rb_insert lib/rbtree.c:115 [inline] RIP: 0010:__rb_insert_augmented+0x9b/0x670 lib/rbtree.c:459 Code: e8 7a e3 2c ff 4d 8b 27 41 f6 c4 01 0f 85 b5 05 00 00 48 89 5d a8 4c 89 75 b8 4c 89 7d d0 4d 8d 7c 24 08 4d 89 fe 49 c1 ee 03 <43> 80 3c 2e 00 74 08 4c 89 ff e8 46 e3 2c ff 49 8b 1f 48 3b 5d d0 RSP: 0018:ffffc9000053f8a0 EFLAGS: 00010a06 RAX: 1ffff11024626d7d RBX: 1ffff110261fd40b RCX: dffffc0000000000 RDX: ffffffff81a6fa00 RSI: ffff888109963db8 RDI: ffff88811acfabe8 RBP: ffffc9000053f908 R08: dffffc0000000000 R09: ffff88811acfabf0 R10: ffffed102359f580 R11: 1ffff1102359f57e R12: ffff88c000000058 R13: dffffc0000000000 R14: 1ffff1180000000c R15: ffff88c000000060 FS: 00007f3aa93ad700(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed180000000c CR3: 00000001312a2000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: rb_insert_augmented include/linux/rbtree_augmented.h:50 [inline] vma_interval_tree_insert_after+0x2cd/0x2e0 mm/interval_tree.c:57 dup_mmap+0x8bd/0xea0 kernel/fork.c:621 dup_mm+0x91/0x330 kernel/fork.c:1502 copy_mm+0x108/0x1b0 kernel/fork.c:1554 copy_process+0x1295/0x3250 kernel/fork.c:2245 kernel_clone+0x22d/0x990 kernel/fork.c:2646 __do_sys_clone kernel/fork.c:2772 [inline] __se_sys_clone kernel/fork.c:2756 [inline] __x64_sys_clone+0x289/0x310 kernel/fork.c:2756 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f3aaa25a5a9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f3aa93ad118 EFLAGS: 00000202 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007f3aaa37b050 RCX: 00007f3aaa25a5a9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000f0aa1080 RBP: 00007f3aa93ad1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002 R13: 00007fffa7b8a45f R14: 00007f3aa93ad300 R15: 0000000000022000 Modules linked in: CR2: ffffed180000000c ---[ end trace 53d1080bac18f63a ]--- RIP: 0010:__rb_insert lib/rbtree.c:115 [inline] RIP: 0010:__rb_insert_augmented+0x9b/0x670 lib/rbtree.c:459 Code: e8 7a e3 2c ff 4d 8b 27 41 f6 c4 01 0f 85 b5 05 00 00 48 89 5d a8 4c 89 75 b8 4c 89 7d d0 4d 8d 7c 24 08 4d 89 fe 49 c1 ee 03 <43> 80 3c 2e 00 74 08 4c 89 ff e8 46 e3 2c ff 49 8b 1f 48 3b 5d d0 RSP: 0018:ffffc9000053f8a0 EFLAGS: 00010a06 RAX: 1ffff11024626d7d RBX: 1ffff110261fd40b RCX: dffffc0000000000 RDX: ffffffff81a6fa00 RSI: ffff888109963db8 RDI: ffff88811acfabe8 RBP: ffffc9000053f908 R08: dffffc0000000000 R09: ffff88811acfabf0 R10: ffffed102359f580 R11: 1ffff1102359f57e R12: ffff88c000000058 R13: dffffc0000000000 R14: 1ffff1180000000c R15: ffff88c000000060 FS: 00007f3aa93ad700(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed180000000c CR3: 00000001312a2000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 ---------------- Code disassembly (best guess): 0: e8 7a e3 2c ff callq 0xff2ce37f 5: 4d 8b 27 mov (%r15),%r12 8: 41 f6 c4 01 test $0x1,%r12b c: 0f 85 b5 05 00 00 jne 0x5c7 12: 48 89 5d a8 mov %rbx,-0x58(%rbp) 16: 4c 89 75 b8 mov %r14,-0x48(%rbp) 1a: 4c 89 7d d0 mov %r15,-0x30(%rbp) 1e: 4d 8d 7c 24 08 lea 0x8(%r12),%r15 23: 4d 89 fe mov %r15,%r14 26: 49 c1 ee 03 shr $0x3,%r14 * 2a: 43 80 3c 2e 00 cmpb $0x0,(%r14,%r13,1) <-- trapping instruction 2f: 74 08 je 0x39 31: 4c 89 ff mov %r15,%rdi 34: e8 46 e3 2c ff callq 0xff2ce37f 39: 49 8b 1f mov (%r15),%rbx 3c: 48 3b 5d d0 cmp -0x30(%rbp),%rbx