======================================================= ntfs3(loop0): Different NTFS sector size (1024) and media sector size (512). ntfs3(loop0): Failed to load $Extend (-22). ntfs3(loop0): Failed to initialize $Extend. BUG: kernel NULL pointer dereference, address: 0000000000000000 #PF: supervisor instruction fetch in kernel mode #PF: error_code(0x0010) - not-present page PGD 3f129067 P4D 3f129067 PUD 42237067 PMD 0 Oops: Oops: 0010 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5308 Comm: syz-executor257 Not tainted 6.12.0-rc4-syzkaller-00289-gea1fda89f5b2 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0018:ffffc9000d137af8 EFLAGS: 00010246 RAX: 1ffffffff187a8f5 RBX: ffffffff8c3d47a8 RCX: 0000000000000078 RDX: 0000000000000000 RSI: ffff888047925c90 RDI: ffff888012268c40 RBP: ffffc9000d137c40 R08: ffffc9000d137ba0 R09: ffffc9000d137bc0 R10: dffffc0000000000 R11: 0000000000000000 R12: 0000000000000078 R13: dffffc0000000000 R14: ffff888000f0a440 R15: ffff888047925d84 FS: 0000555582405380(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 000000003669a000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: generic_perform_write+0x344/0x6d0 mm/filemap.c:4054 ntfs_file_write_iter+0x69c/0x7a0 fs/ntfs3/file.c:1259 new_sync_write fs/read_write.c:590 [inline] vfs_write+0xaeb/0xd30 fs/read_write.c:683 ksys_write+0x183/0x2b0 fs/read_write.c:736 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: 0033:0x7fdd13f41bd9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 17 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffe9ea6c328 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdd13f41bd9 RDX: 0000000000000078 RSI: 0000000020000280 RDI: 0000000000000004 RBP: 00007fdd13fd45f0 R08: 00005555824064c0 R09: 00005555824064c0 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe9ea6c350 R13: 00007ffe9ea6c578 R14: 431bde82d7b634db R15: 00007fdd13f8a03b Modules linked in: CR2: 0000000000000000 ---[ end trace 0000000000000000 ]--- RIP: 0010:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0018:ffffc9000d137af8 EFLAGS: 00010246 RAX: 1ffffffff187a8f5 RBX: ffffffff8c3d47a8 RCX: 0000000000000078 RDX: 0000000000000000 RSI: ffff888047925c90 RDI: ffff888012268c40 RBP: ffffc9000d137c40 R08: ffffc9000d137ba0 R09: ffffc9000d137bc0 R10: dffffc0000000000 R11: 0000000000000000 R12: 0000000000000078 R13: dffffc0000000000 R14: ffff888000f0a440 R15: ffff888047925d84 FS: 0000555582405380(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 000000003669a000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400