loop3: detected capacity change from 0 to 4096 BUG: kernel NULL pointer dereference, address: 0000000000000000 #PF: supervisor instruction fetch in kernel mode #PF: error_code(0x0010) - not-present page PGD 8000000030819067 P4D 8000000030819067 PUD 0 Oops: Oops: 0010 [#1] PREEMPT SMP KASAN PTI CPU: 1 UID: 0 PID: 10440 Comm: syz.3.273 Not tainted 6.14.0-rc3-syzkaller-00012-g2408a807bfc3 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 RIP: 0010:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0018:ffffc90017107b18 EFLAGS: 00010246 RAX: 1ffffffff18ba09d RBX: ffffffff8c5d04e8 RCX: 000000000000000a RDX: 0000000000000000 RSI: ffff88805b660bc8 RDI: ffff8880301ef500 RBP: ffffc90017107c48 R08: ffffc90017107bc0 R09: ffffc90017107be0 R10: dffffc0000000000 R11: 0000000000000000 R12: 000000000000000a R13: 000000000000000a R14: dffffc0000000000 R15: ffff88804965da00 FS: 00007f24976026c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 000000007af94000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> generic_perform_write+0x346/0x990 mm/filemap.c:4189 ntfs_file_write_iter+0x6e9/0x7e0 fs/ntfs3/file.c:1267 new_sync_write fs/read_write.c:586 [inline] vfs_write+0xacf/0xd10 fs/read_write.c:679 ksys_write+0x18f/0x2b0 fs/read_write.c:731 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: 0033:0x7f249678cde9 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:00007f2497602038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f24969a5fa0 RCX: 00007f249678cde9 RDX: 000000000000000a RSI: 0000400000000000 RDI: 0000000000000004 RBP: 00007f249680e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f24969a5fa0 R15: 00007ffd54a08338 </TASK> Modules linked in: CR2: 0000000000000000 ---[ end trace 0000000000000000 ]--- RIP: 0010:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0018:ffffc90017107b18 EFLAGS: 00010246 RAX: 1ffffffff18ba09d RBX: ffffffff8c5d04e8 RCX: 000000000000000a RDX: 0000000000000000 RSI: ffff88805b660bc8 RDI: ffff8880301ef500 RBP: ffffc90017107c48 R08: ffffc90017107bc0 R09: ffffc90017107be0 R10: dffffc0000000000 R11: 0000000000000000 R12: 000000000000000a R13: 000000000000000a R14: dffffc0000000000 R15: ffff88804965da00 FS: 00007f24976026c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 000000007af94000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400