loop1: detected capacity change from 0 to 4096 general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017] CPU: 0 PID: 15175 Comm: syz.1.4799 Not tainted 5.15.186-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:ntfs_iget5+0x159/0x3670 fs/ntfs3/inode.c:526 Code: c5 d0 fd ff ff 4c 89 e8 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 ef e8 16 91 24 ff 49 8b 5d 00 48 83 c3 10 48 89 d8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 0f 85 bc 2f 00 00 0f b7 1b 45 0f b7 f6 44 89 RSP: 0018:ffffc900034ef8e0 EFLAGS: 00010202 RAX: 0000000000000002 RBX: 0000000000000010 RCX: ffff8880206a8000 RDX: 0000000000000002 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc900034efb50 R08: dffffc0000000000 R09: ffffed100bee496a R10: ffffed100bee496a R11: 1ffff1100bee4969 R12: dffffc0000000000 R13: ffff88805f724840 R14: 0000000000000002 R15: 1ffff9200069df50 FS: 00007f52728c96c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7abe308000 CR3: 0000000023d03000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ntfs_fill_super+0x2068/0x3c10 fs/ntfs3/super.c:1004 get_tree_bdev+0x3f1/0x610 fs/super.c:1325 vfs_get_tree+0x88/0x270 fs/super.c:1530 do_new_mount+0x24a/0xa40 fs/namespace.c:3014 do_mount fs/namespace.c:3357 [inline] __do_sys_mount fs/namespace.c:3565 [inline] __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3542 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: 0033:0x7f5274a630ca Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 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:00007f52728c8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f52728c8ef0 RCX: 00007f5274a630ca RDX: 0000200000000040 RSI: 0000200000000080 RDI: 00007f52728c8eb0 RBP: 0000200000000040 R08: 00007f52728c8ef0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000080 R13: 00007f52728c8eb0 R14: 000000000001f780 R15: 00002000000002c0 Modules linked in: ---[ end trace 58ff746572322191 ]--- RIP: 0010:ntfs_iget5+0x159/0x3670 fs/ntfs3/inode.c:526 Code: c5 d0 fd ff ff 4c 89 e8 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 ef e8 16 91 24 ff 49 8b 5d 00 48 83 c3 10 48 89 d8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 0f 85 bc 2f 00 00 0f b7 1b 45 0f b7 f6 44 89 RSP: 0018:ffffc900034ef8e0 EFLAGS: 00010202 RAX: 0000000000000002 RBX: 0000000000000010 RCX: ffff8880206a8000 RDX: 0000000000000002 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc900034efb50 R08: dffffc0000000000 R09: ffffed100bee496a R10: ffffed100bee496a R11: 1ffff1100bee4969 R12: dffffc0000000000 R13: ffff88805f724840 R14: 0000000000000002 R15: 1ffff9200069df50 FS: 00007f52728c96c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7abe2fc000 CR3: 0000000023d03000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess), 4 bytes skipped: 0: ff 4c 89 e8 decl -0x18(%rcx,%rcx,4) 4: 48 c1 e8 03 shr $0x3,%rax 8: 42 80 3c 20 00 cmpb $0x0,(%rax,%r12,1) d: 74 08 je 0x17 f: 4c 89 ef mov %r13,%rdi 12: e8 16 91 24 ff call 0xff24912d 17: 49 8b 5d 00 mov 0x0(%r13),%rbx 1b: 48 83 c3 10 add $0x10,%rbx 1f: 48 89 d8 mov %rbx,%rax 22: 48 c1 e8 03 shr $0x3,%rax * 26: 42 0f b6 04 20 movzbl (%rax,%r12,1),%eax <-- trapping instruction 2b: 84 c0 test %al,%al 2d: 0f 85 bc 2f 00 00 jne 0x2fef 33: 0f b7 1b movzwl (%rbx),%ebx 36: 45 0f b7 f6 movzwl %r14w,%r14d 3a: 44 rex.R 3b: 89 .byte 0x89