loop3: detected capacity change from 0 to 4096 BUG: unable to handle page fault for address: ffffed1018d3e42b #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: 11790 Comm: syz-executor.3 Not tainted 6.0.0-syzkaller-09423-g493ffd6605b2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 RIP: 0010:ntfs_attr_find+0x1ee/0xd80 fs/ntfs/attrib.c:597 Code: 48 c1 e8 03 42 8a 04 20 84 c0 0f 85 d8 0a 00 00 44 8b 75 1c 48 89 d8 48 8d 4b 0a 4c 8d 7b 0b 48 89 c8 48 89 0c 24 48 c1 e8 03 <42> 8a 04 20 84 c0 0f 85 d2 0a 00 00 4c 89 f8 48 c1 e8 03 42 8a 04 RSP: 0018:ffffc9000b23f810 EFLAGS: 00010a06 RAX: 1ffff11018d3e42b RBX: ffff8880c69f2150 RCX: ffff8880c69f215a RDX: ffffc9000af32000 RSI: 0000000000001c87 RDI: ffff88807c7f201c RBP: ffff88807c7f2000 R08: ffffffff82b83033 R09: 0000000000000000 R10: ffffed100e77ce7b R11: 1ffff1100e77ce7a R12: dffffc0000000000 R13: dffffc0000000000 R14: 0000000000000800 R15: ffff8880c69f215b FS: 00007f3bb7855700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed1018d3e42b CR3: 0000000066e93000 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+0xa6e/0x2680 fs/ntfs/inode.c:2004 ntfs_fill_super+0x187a/0x2bf0 fs/ntfs/super.c:2855 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: 0033:0x7f3bb668cada 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:00007f3bb7854f88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f3bb668cada RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f3bb7854fe0 RBP: 00007f3bb7855020 R08: 00007f3bb7855020 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 R13: 0000000020000100 R14: 00007f3bb7854fe0 R15: 0000000020000140 Modules linked in: CR2: ffffed1018d3e42b ---[ end trace 0000000000000000 ]--- RIP: 0010:ntfs_attr_find+0x1ee/0xd80 fs/ntfs/attrib.c:597 Code: 48 c1 e8 03 42 8a 04 20 84 c0 0f 85 d8 0a 00 00 44 8b 75 1c 48 89 d8 48 8d 4b 0a 4c 8d 7b 0b 48 89 c8 48 89 0c 24 48 c1 e8 03 <42> 8a 04 20 84 c0 0f 85 d2 0a 00 00 4c 89 f8 48 c1 e8 03 42 8a 04 RSP: 0018:ffffc9000b23f810 EFLAGS: 00010a06 RAX: 1ffff11018d3e42b RBX: ffff8880c69f2150 RCX: ffff8880c69f215a RDX: ffffc9000af32000 RSI: 0000000000001c87 RDI: ffff88807c7f201c RBP: ffff88807c7f2000 R08: ffffffff82b83033 R09: 0000000000000000 R10: ffffed100e77ce7b R11: 1ffff1100e77ce7a R12: dffffc0000000000 R13: dffffc0000000000 R14: 0000000000000800 R15: ffff8880c69f215b FS: 00007f3bb7855700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed1018d3e42b CR3: 0000000066e93000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 48 c1 e8 03 shr $0x3,%rax 4: 42 8a 04 20 mov (%rax,%r12,1),%al 8: 84 c0 test %al,%al a: 0f 85 d8 0a 00 00 jne 0xae8 10: 44 8b 75 1c mov 0x1c(%rbp),%r14d 14: 48 89 d8 mov %rbx,%rax 17: 48 8d 4b 0a lea 0xa(%rbx),%rcx 1b: 4c 8d 7b 0b lea 0xb(%rbx),%r15 1f: 48 89 c8 mov %rcx,%rax 22: 48 89 0c 24 mov %rcx,(%rsp) 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 42 8a 04 20 mov (%rax,%r12,1),%al <-- trapping instruction 2e: 84 c0 test %al,%al 30: 0f 85 d2 0a 00 00 jne 0xb08 36: 4c 89 f8 mov %r15,%rax 39: 48 c1 e8 03 shr $0x3,%rax 3d: 42 rex.X 3e: 8a .byte 0x8a 3f: 04 .byte 0x4