BUG: unable to handle page fault for address: ffffed180000000a #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: 6164 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 RIP: 0010:vma_last_pgoff mm/interval_tree.c:20 [inline] RIP: 0010:vma_interval_tree_augment_compute_max mm/interval_tree.c:23 [inline] RIP: 0010:vma_interval_tree_augment_propagate mm/interval_tree.c:23 [inline] RIP: 0010:__rb_erase_augmented include/linux/rbtree_augmented.h:295 [inline] RIP: 0010:rb_erase_augmented include/linux/rbtree_augmented.h:303 [inline] RIP: 0010:rb_erase_augmented_cached include/linux/rbtree_augmented.h:314 [inline] RIP: 0010:vma_interval_tree_remove+0x985/0xb00 mm/interval_tree.c:23 Code: 3c 18 00 74 08 4c 89 f7 e8 c8 59 0c 00 4d 8b 36 49 83 e6 fc 0f 84 44 01 00 00 e8 e6 d7 cd ff 49 8d 7e 40 48 89 f8 48 c1 e8 03 <80> 3c 18 00 74 05 e8 a0 59 0c 00 4d 8b 6e 40 4d 8d 7e b0 4c 89 f8 RSP: 0018:ffffc900011379e8 EFLAGS: 00010a06 RAX: 1ffff1180000000a RBX: dffffc0000000000 RCX: ffff8881183693c0 RDX: 0000000000000000 RSI: 00000000000003af RDI: ffff88c000000050 RBP: ffffc90001137a50 R08: dffffc0000000000 R09: ffffed102535298a R10: ffffed102535298a R11: 1ffff11025352989 R12: 1ffff11023c8f7ca R13: 00000000000003b8 R14: ffff88c000000010 R15: 00000000000003af FS: 0000555573f5a500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed180000000a CR3: 000000011a840000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: __vma_adjust+0x7db/0x17b0 mm/mmap.c:884 vma_adjust include/linux/mm.h:2625 [inline] __split_vma+0x32b/0x3e0 mm/mmap.c:-1 split_vma+0x7c/0xd0 mm/mmap.c:2813 mprotect_fixup+0x535/0x7d0 mm/mprotect.c:490 do_mprotect_pkey+0x70b/0xa80 mm/mprotect.c:646 __do_sys_mprotect mm/mprotect.c:673 [inline] __se_sys_mprotect mm/mprotect.c:670 [inline] __x64_sys_mprotect+0x80/0x90 mm/mprotect.c:670 x64_sys_call+0x912/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:11 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: 0033:0x7f322e73a787 Code: 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 0a 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fff02e78bc8 EFLAGS: 00000206 ORIG_RAX: 000000000000000a RAX: ffffffffffffffda RBX: 00007f322e963720 RCX: 00007f322e73a787 RDX: 0000000000000001 RSI: 0000000000117000 RDI: 00007f322e845000 RBP: 00007fff02e78d08 R08: 0000555573f5b810 R09: 0000555573f5b830 R10: 0000000000000005 R11: 0000000000000206 R12: 00007fff02e78d20 R13: 00007fff02e78d08 R14: 00007fff02e78ca0 R15: 00007fff02e78c98 Modules linked in: CR2: ffffed180000000a ---[ end trace 129a9c892c8be0ac ]--- RIP: 0010:vma_last_pgoff mm/interval_tree.c:20 [inline] RIP: 0010:vma_interval_tree_augment_compute_max mm/interval_tree.c:23 [inline] RIP: 0010:vma_interval_tree_augment_propagate mm/interval_tree.c:23 [inline] RIP: 0010:__rb_erase_augmented include/linux/rbtree_augmented.h:295 [inline] RIP: 0010:rb_erase_augmented include/linux/rbtree_augmented.h:303 [inline] RIP: 0010:rb_erase_augmented_cached include/linux/rbtree_augmented.h:314 [inline] RIP: 0010:vma_interval_tree_remove+0x985/0xb00 mm/interval_tree.c:23 Code: 3c 18 00 74 08 4c 89 f7 e8 c8 59 0c 00 4d 8b 36 49 83 e6 fc 0f 84 44 01 00 00 e8 e6 d7 cd ff 49 8d 7e 40 48 89 f8 48 c1 e8 03 <80> 3c 18 00 74 05 e8 a0 59 0c 00 4d 8b 6e 40 4d 8d 7e b0 4c 89 f8 RSP: 0018:ffffc900011379e8 EFLAGS: 00010a06 RAX: 1ffff1180000000a RBX: dffffc0000000000 RCX: ffff8881183693c0 RDX: 0000000000000000 RSI: 00000000000003af RDI: ffff88c000000050 RBP: ffffc90001137a50 R08: dffffc0000000000 R09: ffffed102535298a R10: ffffed102535298a R11: 1ffff11025352989 R12: 1ffff11023c8f7ca R13: 00000000000003b8 R14: ffff88c000000010 R15: 00000000000003af FS: 0000555573f5a500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed180000000a CR3: 000000011a840000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 ---------------- Code disassembly (best guess): 0: 3c 18 cmp $0x18,%al 2: 00 74 08 4c add %dh,0x4c(%rax,%rcx,1) 6: 89 f7 mov %esi,%edi 8: e8 c8 59 0c 00 call 0xc59d5 d: 4d 8b 36 mov (%r14),%r14 10: 49 83 e6 fc and $0xfffffffffffffffc,%r14 14: 0f 84 44 01 00 00 je 0x15e 1a: e8 e6 d7 cd ff call 0xffcdd805 1f: 49 8d 7e 40 lea 0x40(%r14),%rdi 23: 48 89 f8 mov %rdi,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 80 3c 18 00 cmpb $0x0,(%rax,%rbx,1) <-- trapping instruction 2e: 74 05 je 0x35 30: e8 a0 59 0c 00 call 0xc59d5 35: 4d 8b 6e 40 mov 0x40(%r14),%r13 39: 4d 8d 7e b0 lea -0x50(%r14),%r15 3d: 4c 89 f8 mov %r15,%rax