loop2: detected capacity change from 0 to 4096 general protection fault, probably for non-canonical address 0xfff10c0487c60021: 0000 [#1] PREEMPT SMP KASAN KASAN: maybe wild-memory-access in range [0xff8880243e300108-0xff8880243e30010f] CPU: 0 PID: 24069 Comm: syz-executor.2 Not tainted 6.7.0-rc1-syzkaller-00139-g6bc40e44f1dd #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_mft fs/ntfs3/inode.c:79 [inline] RIP: 0010:ntfs_iget5+0x598/0x3810 fs/ntfs3/inode.c:534 Code: d0 7c 09 84 d2 74 05 e8 c6 fc 18 ff 48 8b 44 24 28 0f b7 5b 06 48 8d 78 10 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 09 3c 01 7f 05 e8 97 fc 18 ff 48 8b 44 24 28 RSP: 0018:ffffc900290b7888 EFLAGS: 00010a07 RAX: dffffc0000000000 RBX: 000000000000000b RCX: ffffc90003e22000 RDX: 1ff1100487c60021 RSI: ffffffff82c523cb RDI: ff8880243e30010f RBP: 1ffff92005216f28 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: 000000000000000b R14: ffff88806e8c0000 R15: ffff88804c07110f FS: 0000000000000000(0000) GS:ffff88802c600000(0063) knlGS:00000000f7fabb40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000edadb000 CR3: 0000000076f88000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ntfs_extend_init+0xf4/0x560 fs/ntfs3/fsntfs.c:224 ntfs_fill_super+0x3b2d/0x44a0 fs/ntfs3/super.c:1521 get_tree_bdev+0x3b5/0x650 fs/super.c:1598 vfs_get_tree+0x8c/0x370 fs/super.c:1771 do_new_mount fs/namespace.c:3337 [inline] path_mount+0x1492/0x1ed0 fs/namespace.c:3664 do_mount fs/namespace.c:3677 [inline] __do_sys_mount fs/namespace.c:3886 [inline] __se_sys_mount fs/namespace.c:3863 [inline] __ia32_sys_mount+0x291/0x310 fs/namespace.c:3863 do_syscall_32_irqs_on arch/x86/entry/common.c:164 [inline] __do_fast_syscall_32+0x62/0xe0 arch/x86/entry/common.c:230 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:255 entry_SYSENTER_compat_after_hwframe+0x70/0x7a RIP: 0023:0xf7fb0579 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:00000000f7fab3f0 EFLAGS: 00000296 ORIG_RAX: 0000000000000015 RAX: ffffffffffffffda RBX: 00000000f7fab460 RCX: 0000000020000080 RDX: 00000000200000c0 RSI: 0000000000008814 RDI: 00000000f7fab4a0 RBP: 00000000200000c0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ntfs_read_mft fs/ntfs3/inode.c:79 [inline] RIP: 0010:ntfs_iget5+0x598/0x3810 fs/ntfs3/inode.c:534 Code: d0 7c 09 84 d2 74 05 e8 c6 fc 18 ff 48 8b 44 24 28 0f b7 5b 06 48 8d 78 10 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 09 3c 01 7f 05 e8 97 fc 18 ff 48 8b 44 24 28 RSP: 0018:ffffc900290b7888 EFLAGS: 00010a07 RAX: dffffc0000000000 RBX: 000000000000000b RCX: ffffc90003e22000 RDX: 1ff1100487c60021 RSI: ffffffff82c523cb RDI: ff8880243e30010f RBP: 1ffff92005216f28 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: 000000000000000b R14: ffff88806e8c0000 R15: ffff88804c07110f FS: 0000000000000000(0000) GS:ffff88802c600000(0063) knlGS:00000000f7fabb40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000edadb000 CR3: 0000000076f88000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 7c 09 jl 0xb 2: 84 d2 test %dl,%dl 4: 74 05 je 0xb 6: e8 c6 fc 18 ff call 0xff18fcd1 b: 48 8b 44 24 28 mov 0x28(%rsp),%rax 10: 0f b7 5b 06 movzwl 0x6(%rbx),%ebx 14: 48 8d 78 10 lea 0x10(%rax),%rdi 18: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 1f: fc ff df 22: 48 89 fa mov %rdi,%rdx 25: 48 c1 ea 03 shr $0x3,%rdx * 29: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax <-- trapping instruction 2d: 84 c0 test %al,%al 2f: 74 09 je 0x3a 31: 3c 01 cmp $0x1,%al 33: 7f 05 jg 0x3a 35: e8 97 fc 18 ff call 0xff18fcd1 3a: 48 8b 44 24 28 mov 0x28(%rsp),%rax