loop4: detected capacity change from 0 to 4096 ntfs3: loop4: Different NTFS sector size (2048) and media sector size (512). ntfs3: loop4: Mark volume as dirty due to NTFS errors general protection fault, probably for non-canonical address 0xdffffc0000000003: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000018-0x000000000000001f] CPU: 1 PID: 20599 Comm: syz-executor.4 Not tainted 6.5.0-syzkaller-12796-g32bf43e4efdb #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 RIP: 0010:ntfs_write_bh+0x61/0x7b0 fs/ntfs3/fsntfs.c:1402 Code: 48 c1 e8 03 80 3c 28 00 74 12 48 89 df e8 c7 f1 16 ff 48 ba 00 00 00 00 00 fc ff df 48 8b 1b 48 83 c3 18 48 89 d8 48 c1 e8 03 <80> 3c 10 00 74 12 48 89 df e8 a1 f1 16 ff 48 ba 00 00 00 00 00 fc RSP: 0018:ffffc90015bcefd0 EFLAGS: 00010206 RAX: 0000000000000003 RBX: 0000000000000018 RCX: 0000000000040000 RDX: dffffc0000000000 RSI: 0000000000023293 RDI: 0000000000023294 RBP: dffffc0000000000 R08: ffffffff82d7736a R09: 0000000000000000 R10: dffffc0000000000 R11: fffffbfff1d34c1e R12: ffff888033782c68 R13: ffff888033782c40 R14: ffff888033782cbc R15: ffff88807062f800 FS: 00007fc678e666c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8123ed7086 CR3: 0000000019b5d000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: mi_write+0x9b/0x200 fs/ntfs3/record.c:346 ni_write_inode+0x619/0x1080 fs/ntfs3/frecord.c:3360 write_inode fs/fs-writeback.c:1456 [inline] __writeback_single_inode+0x69b/0xfa0 fs/fs-writeback.c:1668 writeback_single_inode+0x21b/0x790 fs/fs-writeback.c:1724 sync_inode_metadata+0xcc/0x130 fs/fs-writeback.c:2786 ntfs_set_state+0x556/0x730 fs/ntfs3/fsntfs.c:995 run_unpack_ex+0x380/0x810 fs/ntfs3/run.c:1095 ntfs_read_mft fs/ntfs3/inode.c:400 [inline] ntfs_iget5+0x2407/0x38e0 fs/ntfs3/inode.c:532 ntfs_fill_super+0x3b3c/0x4c30 fs/ntfs3/super.c:1350 get_tree_bdev+0x416/0x5b0 fs/super.c:1577 vfs_get_tree+0x8c/0x280 fs/super.c:1750 do_new_mount+0x28f/0xae0 fs/namespace.c:3335 do_mount fs/namespace.c:3675 [inline] __do_sys_mount fs/namespace.c:3884 [inline] __se_sys_mount+0x2d9/0x3c0 fs/namespace.c:3861 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fc67807e1ea Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 09 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fc678e65ee8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fc678e65f80 RCX: 00007fc67807e1ea RDX: 0000000020000180 RSI: 0000000020000000 RDI: 00007fc678e65f40 RBP: 0000000020000180 R08: 00007fc678e65f80 R09: 0000000001004018 R10: 0000000001004018 R11: 0000000000000202 R12: 0000000020000000 R13: 00007fc678e65f40 R14: 000000000001f40a R15: 00000000200000c0 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ntfs_write_bh+0x61/0x7b0 fs/ntfs3/fsntfs.c:1402 Code: 48 c1 e8 03 80 3c 28 00 74 12 48 89 df e8 c7 f1 16 ff 48 ba 00 00 00 00 00 fc ff df 48 8b 1b 48 83 c3 18 48 89 d8 48 c1 e8 03 <80> 3c 10 00 74 12 48 89 df e8 a1 f1 16 ff 48 ba 00 00 00 00 00 fc RSP: 0018:ffffc90015bcefd0 EFLAGS: 00010206 RAX: 0000000000000003 RBX: 0000000000000018 RCX: 0000000000040000 RDX: dffffc0000000000 RSI: 0000000000023293 RDI: 0000000000023294 RBP: dffffc0000000000 R08: ffffffff82d7736a R09: 0000000000000000 R10: dffffc0000000000 R11: fffffbfff1d34c1e R12: ffff888033782c68 R13: ffff888033782c40 R14: ffff888033782cbc R15: ffff88807062f800 FS: 00007fc678e666c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110f3202a4 CR3: 0000000019b5d000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 48 c1 e8 03 shr $0x3,%rax 4: 80 3c 28 00 cmpb $0x0,(%rax,%rbp,1) 8: 74 12 je 0x1c a: 48 89 df mov %rbx,%rdi d: e8 c7 f1 16 ff call 0xff16f1d9 12: 48 ba 00 00 00 00 00 movabs $0xdffffc0000000000,%rdx 19: fc ff df 1c: 48 8b 1b mov (%rbx),%rbx 1f: 48 83 c3 18 add $0x18,%rbx 23: 48 89 d8 mov %rbx,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 80 3c 10 00 cmpb $0x0,(%rax,%rdx,1) <-- trapping instruction 2e: 74 12 je 0x42 30: 48 89 df mov %rbx,%rdi 33: e8 a1 f1 16 ff call 0xff16f1d9 38: 48 rex.W 39: ba 00 00 00 00 mov $0x0,%edx 3e: 00 fc add %bh,%ah