loop2: detected capacity change from 0 to 4096 ntfs3: loop2: Different NTFS sector size (2048) and media sector size (512). ntfs3: loop2: Mark volume as dirty due to NTFS errors BUG: kernel NULL pointer dereference, address: 0000000000000000 #PF: supervisor instruction fetch in kernel mode #PF: error_code(0x0010) - not-present page PGD 800000006857b067 P4D 800000006857b067 PUD 6c0d2067 PMD 0 Oops: Oops: 0010 [#1] PREEMPT SMP KASAN PTI CPU: 1 PID: 6692 Comm: syz.2.164 Not tainted 6.10.0-rc7-syzkaller-00266-g4d145e3f830b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 RIP: 0010:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0018:ffffc90003cc7a98 EFLAGS: 00010282 RAX: 1ffffffff17f96bb RBX: 0000000000000000 RCX: dffffc0000000000 RDX: ffffc90004ca9000 RSI: ffffea00018ddb80 RDI: ffff88805bf10478 RBP: ffffc90003cc7c00 R08: ffffffff81cfb75a R09: 1ffffd400031bb70 R10: dffffc0000000000 R11: 0000000000000000 R12: ffff88806719d148 R13: ffff88806719d160 R14: ffffea00018ddb80 R15: 1ffff92000798f68 FS: 00007fa53d4956c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 000000007c4de000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: attr_make_nonresident+0xa49/0xe80 fs/ntfs3/attrib.c:301 attr_force_nonresident+0x1e9/0x280 fs/ntfs3/attrib.c:2586 ntfs_fallocate+0x781/0x1280 fs/ntfs3/file.c:584 vfs_fallocate+0x564/0x6c0 fs/open.c:330 ksys_fallocate fs/open.c:353 [inline] __do_sys_fallocate fs/open.c:361 [inline] __se_sys_fallocate fs/open.c:359 [inline] __x64_sys_fallocate+0xbd/0x110 fs/open.c:359 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa53c775bd9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007fa53d495048 EFLAGS: 00000246 ORIG_RAX: 000000000000011d RAX: ffffffffffffffda RBX: 00007fa53c903f60 RCX: 00007fa53c775bd9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 00007fa53c7e4e60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000280404 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fa53c903f60 R15: 00007ffc09e9a258 Modules linked in: CR2: 0000000000000000 ---[ end trace 0000000000000000 ]--- RIP: 0010:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0018:ffffc90003cc7a98 EFLAGS: 00010282 RAX: 1ffffffff17f96bb RBX: 0000000000000000 RCX: dffffc0000000000 RDX: ffffc90004ca9000 RSI: ffffea00018ddb80 RDI: ffff88805bf10478 RBP: ffffc90003cc7c00 R08: ffffffff81cfb75a R09: 1ffffd400031bb70 R10: dffffc0000000000 R11: 0000000000000000 R12: ffff88806719d148 R13: ffff88806719d160 R14: ffffea00018ddb80 R15: 1ffff92000798f68 FS: 00007fa53d4956c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 000000007c4de000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400