loop2: detected capacity change from 0 to 515 ntfs: (device loop2): is_boot_sector_ntfs(): Invalid end of sector marker. BUG: unable to handle page fault for address: ffffed10195f6814 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 23ffee067 P4D 23ffee067 PUD 13fff5067 PMD 0 Oops: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 8972 Comm: syz-executor.2 Not tainted 6.0.0-rc6-syzkaller-00009-g60891ec99e14 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 RIP: 0010:ntfs_attr_find+0x76e/0xd80 fs/ntfs/attrib.c:597 Code: 89 f0 48 c1 e8 03 42 0f b6 04 20 84 c0 0f 85 86 01 00 00 44 8b 75 1c 49 8d 45 0a 49 8d 5d 0b 48 89 c1 48 89 04 24 48 c1 e8 03 <42> 0f b6 04 20 84 c0 0f 85 82 01 00 00 48 89 d8 48 c1 e8 03 42 0f RSP: 0018:ffffc9000cacf810 EFLAGS: 00010a06 RAX: 1ffff110195f6814 RBX: ffff8880cafb40a3 RCX: ffff8880cafb40a2 RDX: ffff88804a9b409c RSI: 0000000000004264 RDI: ffff88804a9b401c RBP: ffff88804a9b4000 R08: ffffffff82b7de06 R09: 0000000000000000 R10: ffffed10085c521b R11: 1ffff110085c521a R12: dffffc0000000000 R13: ffff8880cafb4098 R14: 0000000000000400 R15: ffff88804a9b40a1 FS: 00007f0cd19cf700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed10195f6814 CR3: 00000000763bb000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ntfs_attr_lookup+0x4c3/0x2370 ntfs_read_inode_mount+0x8c9/0x2680 fs/ntfs/inode.c:1845 ntfs_fill_super+0x187a/0x2bf0 fs/ntfs/super.c:2854 mount_bdev+0x26c/0x3a0 fs/super.c:1400 legacy_get_tree+0xea/0x180 fs/fs_context.c:610 vfs_get_tree+0x88/0x270 fs/super.c:1530 do_new_mount+0x289/0xad0 fs/namespace.c:3040 do_mount fs/namespace.c:3383 [inline] __do_sys_mount fs/namespace.c:3591 [inline] __se_sys_mount+0x2d3/0x3c0 fs/namespace.c:3568 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+0x63/0xcd RIP: 0033:0x7f0cd088bb7a Code: 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 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:00007f0cd19cef88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f0cd088bb7a RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f0cd19cefe0 RBP: 00007f0cd19cf020 R08: 00007f0cd19cf020 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 R13: 0000000020000100 R14: 00007f0cd19cefe0 R15: 0000000020079ca0 Modules linked in: CR2: ffffed10195f6814 ---[ end trace 0000000000000000 ]--- RIP: 0010:ntfs_attr_find+0x76e/0xd80 fs/ntfs/attrib.c:597 Code: 89 f0 48 c1 e8 03 42 0f b6 04 20 84 c0 0f 85 86 01 00 00 44 8b 75 1c 49 8d 45 0a 49 8d 5d 0b 48 89 c1 48 89 04 24 48 c1 e8 03 <42> 0f b6 04 20 84 c0 0f 85 82 01 00 00 48 89 d8 48 c1 e8 03 42 0f RSP: 0018:ffffc9000cacf810 EFLAGS: 00010a06 RAX: 1ffff110195f6814 RBX: ffff8880cafb40a3 RCX: ffff8880cafb40a2 RDX: ffff88804a9b409c RSI: 0000000000004264 RDI: ffff88804a9b401c RBP: ffff88804a9b4000 R08: ffffffff82b7de06 R09: 0000000000000000 R10: ffffed10085c521b R11: 1ffff110085c521a R12: dffffc0000000000 R13: ffff8880cafb4098 R14: 0000000000000400 R15: ffff88804a9b40a1 FS: 00007f0cd19cf700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed10195f6814 CR3: 00000000763bb000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 89 f0 mov %esi,%eax 2: 48 c1 e8 03 shr $0x3,%rax 6: 42 0f b6 04 20 movzbl (%rax,%r12,1),%eax b: 84 c0 test %al,%al d: 0f 85 86 01 00 00 jne 0x199 13: 44 8b 75 1c mov 0x1c(%rbp),%r14d 17: 49 8d 45 0a lea 0xa(%r13),%rax 1b: 49 8d 5d 0b lea 0xb(%r13),%rbx 1f: 48 89 c1 mov %rax,%rcx 22: 48 89 04 24 mov %rax,(%rsp) 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 42 0f b6 04 20 movzbl (%rax,%r12,1),%eax <-- trapping instruction 2f: 84 c0 test %al,%al 31: 0f 85 82 01 00 00 jne 0x1b9 37: 48 89 d8 mov %rbx,%rax 3a: 48 c1 e8 03 shr $0x3,%rax 3e: 42 rex.X 3f: 0f .byte 0xf