loop1: detected capacity change from 0 to 4096 ------------[ cut here ]------------ kernel BUG at fs/ntfs/aops.c:185! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 3 PID: 8176 Comm: syz-executor.1 Not tainted 6.8.0-rc2-syzkaller-00031-g861c0981648f #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 RIP: 0010:ntfs_read_block fs/ntfs/aops.c:185 [inline] RIP: 0010:ntfs_read_folio+0x1ea2/0x2430 fs/ntfs/aops.c:430 Code: 10 48 8b 98 30 fd ff ff 48 c1 eb 03 83 e3 01 89 de e8 82 40 cc fe 84 db 44 0f b6 4c 24 10 0f 85 15 f1 ff ff e8 3f 45 cc fe 90 <0f> 0b e8 37 45 cc fe 48 8b 44 24 38 48 8d b8 70 fd ff ff e8 16 72 RSP: 0018:ffffc90003067638 EFLAGS: 00010287 RAX: 0000000000017765 RBX: 0000000000000000 RCX: ffffc90003e79000 RDX: 0000000000040000 RSI: ffffffff82bbe091 RDI: 0000000000000001 RBP: ffffea000157ffc0 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000000 R11: dffffc0000000000 R12: dffffc0000000000 R13: fffff940002afff9 R14: ffffea000157ffd8 R15: ffffea000157ffe0 FS: 0000000000000000(0000) GS:ffff88802c900000(0063) knlGS:00000000f5f44b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000f5f45000 CR3: 0000000070313000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: filemap_read_folio+0xe9/0x2c0 mm/filemap.c:2324 do_read_cache_folio+0x205/0x540 mm/filemap.c:3703 do_read_cache_page mm/filemap.c:3769 [inline] read_cache_page+0x5b/0x160 mm/filemap.c:3778 read_mapping_page include/linux/pagemap.h:888 [inline] ntfs_map_page fs/ntfs/aops.h:75 [inline] map_mft_record_page fs/ntfs/mft.c:73 [inline] map_mft_record+0x1dd/0x730 fs/ntfs/mft.c:156 ntfs_read_locked_inode+0x19b/0x5860 fs/ntfs/inode.c:550 ntfs_read_inode_mount+0xef9/0x2730 fs/ntfs/inode.c:2098 ntfs_fill_super+0x185c/0x9100 fs/ntfs/super.c:2863 mount_bdev+0x1df/0x2d0 fs/super.c:1663 legacy_get_tree+0x109/0x220 fs/fs_context.c:662 vfs_get_tree+0x8c/0x370 fs/super.c:1784 do_new_mount fs/namespace.c:3352 [inline] path_mount+0x14e6/0x1f20 fs/namespace.c:3679 do_mount fs/namespace.c:3692 [inline] __do_sys_mount fs/namespace.c:3898 [inline] __se_sys_mount fs/namespace.c:3875 [inline] __ia32_sys_mount+0x291/0x310 fs/namespace.c:3875 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline] __do_fast_syscall_32+0x79/0x110 arch/x86/entry/common.c:321 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:346 entry_SYSENTER_compat_after_hwframe+0x70/0x7a RIP: 0023:0xf734a579 Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000f5f44400 EFLAGS: 00000292 ORIG_RAX: 0000000000000015 RAX: ffffffffffffffda RBX: 00000000f5f44460 RCX: 000000002001ee80 RDX: 000000002001ee40 RSI: 0000000000000000 RDI: 00000000f5f444a0 RBP: 00000000f5f44460 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ntfs_read_block fs/ntfs/aops.c:185 [inline] RIP: 0010:ntfs_read_folio+0x1ea2/0x2430 fs/ntfs/aops.c:430 Code: 10 48 8b 98 30 fd ff ff 48 c1 eb 03 83 e3 01 89 de e8 82 40 cc fe 84 db 44 0f b6 4c 24 10 0f 85 15 f1 ff ff e8 3f 45 cc fe 90 <0f> 0b e8 37 45 cc fe 48 8b 44 24 38 48 8d b8 70 fd ff ff e8 16 72 RSP: 0018:ffffc90003067638 EFLAGS: 00010287 RAX: 0000000000017765 RBX: 0000000000000000 RCX: ffffc90003e79000 RDX: 0000000000040000 RSI: ffffffff82bbe091 RDI: 0000000000000001 RBP: ffffea000157ffc0 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000000 R11: dffffc0000000000 R12: dffffc0000000000 R13: fffff940002afff9 R14: ffffea000157ffd8 R15: ffffea000157ffe0 FS: 0000000000000000(0000) GS:ffff88802c600000(0063) knlGS:00000000f5f44b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000f7f38960 CR3: 0000000070313000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess), 2 bytes skipped: 0: 10 06 adc %al,(%rsi) 2: 03 74 b4 01 add 0x1(%rsp,%rsi,4),%esi 6: 10 07 adc %al,(%rdi) 8: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi c: 10 08 adc %cl,(%rax) e: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi 1e: 00 51 52 add %dl,0x52(%rcx) 21: 55 push %rbp 22: 89 e5 mov %esp,%ebp 24: 0f 34 sysenter 26: cd 80 int $0x80 * 28: 5d pop %rbp <-- trapping instruction 29: 5a pop %rdx 2a: 59 pop %rcx 2b: c3 ret 2c: 90 nop 2d: 90 nop 2e: 90 nop 2f: 90 nop 30: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi 37: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi