general protection fault, probably for non-canonical address 0xdffffc0000000047: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000238-0x000000000000023f] CPU: 0 PID: 11387 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:ni_find_attr+0x98/0x8c0 fs/ntfs3/frecord.c:194 Code: b8 f1 f1 f1 f1 00 f3 f3 f3 48 89 54 24 38 4a 89 04 3a e8 5b 90 c4 fe 48 89 5c 24 28 48 81 c3 38 02 00 00 48 89 d8 48 c1 e8 03 <42> 80 3c 38 00 74 08 48 89 df e8 e9 fa 17 ff 4c 8b 33 31 ff 4c 89 RSP: 0018:ffffc90005c5f640 EFLAGS: 00010206 RAX: 0000000000000047 RBX: 0000000000000238 RCX: 0000000000040000 RDX: ffffc9000f241000 RSI: 00000000000315c0 RDI: 00000000000315c1 RBP: ffffc90005c5f720 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000003 R11: ffff88807e511d80 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000 FS: 00007ff181ce6700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff180bad0b0 CR3: 00000000179de000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: attr_load_runs_vcn+0xc2/0x330 fs/ntfs3/attrib.c:1220 mi_read+0x311/0x510 fs/ntfs3/record.c:151 ntfs_read_mft fs/ntfs3/inode.c:69 [inline] ntfs_iget5+0x3f9/0x36f0 fs/ntfs3/inode.c:501 ntfs_fill_super+0x1b3d/0x42a0 fs/ntfs3/super.c:946 get_tree_bdev+0x400/0x620 fs/super.c:1323 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: 0033:0x7ff180a8cada 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:00007ff181ce5f88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007ff180a8cada RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ff181ce5fe0 RBP: 00007ff181ce6020 R08: 00007ff181ce6020 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 R13: 0000000020000100 R14: 00007ff181ce5fe0 R15: 000000002007aa80 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ni_find_attr+0x98/0x8c0 fs/ntfs3/frecord.c:194 Code: b8 f1 f1 f1 f1 00 f3 f3 f3 48 89 54 24 38 4a 89 04 3a e8 5b 90 c4 fe 48 89 5c 24 28 48 81 c3 38 02 00 00 48 89 d8 48 c1 e8 03 <42> 80 3c 38 00 74 08 48 89 df e8 e9 fa 17 ff 4c 8b 33 31 ff 4c 89 RSP: 0018:ffffc90005c5f640 EFLAGS: 00010206 RAX: 0000000000000047 RBX: 0000000000000238 RCX: 0000000000040000 RDX: ffffc9000f241000 RSI: 00000000000315c0 RDI: 00000000000315c1 RBP: ffffc90005c5f720 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000003 R11: ffff88807e511d80 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000 FS: 00007ff181ce6700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f54667b0000 CR3: 00000000179de000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: b8 f1 f1 f1 f1 mov $0xf1f1f1f1,%eax 5: 00 f3 add %dh,%bl 7: f3 f3 48 89 54 24 38 repz xrelease mov %rdx,0x38(%rsp) e: 4a 89 04 3a mov %rax,(%rdx,%r15,1) 12: e8 5b 90 c4 fe callq 0xfec49072 17: 48 89 5c 24 28 mov %rbx,0x28(%rsp) 1c: 48 81 c3 38 02 00 00 add $0x238,%rbx 23: 48 89 d8 mov %rbx,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 42 80 3c 38 00 cmpb $0x0,(%rax,%r15,1) <-- trapping instruction 2f: 74 08 je 0x39 31: 48 89 df mov %rbx,%rdi 34: e8 e9 fa 17 ff callq 0xff17fb22 39: 4c 8b 33 mov (%rbx),%r14 3c: 31 ff xor %edi,%edi 3e: 4c rex.WR 3f: 89 .byte 0x89