loop2: detected capacity change from 0 to 4096 ntfs3: loop2: Different NTFS' sector size (1024) and media sector size (512) BUG: spinlock bad magic on CPU#1, syz-executor.2/6561 general protection fault, probably for non-canonical address 0xdffffc0000000094: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x00000000000004a0-0x00000000000004a7] CPU: 1 PID: 6561 Comm: syz-executor.2 Not tainted 6.2.0-rc2-syzkaller-00203-g1f5abbd77e2c #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 RIP: 0010:task_pid_nr include/linux/sched.h:1562 [inline] RIP: 0010:spin_dump kernel/locking/spinlock_debug.c:63 [inline] RIP: 0010:spin_bug.cold+0x71/0x9e kernel/locking/spinlock_debug.c:77 Code: b1 4c 8a e8 0c 43 00 00 5b 5d 41 5c 41 5d e9 a6 b6 45 00 48 8d bb a0 05 00 00 b8 ff ff 37 00 48 89 fa 48 c1 e0 2a 48 c1 ea 03 <0f> b6 04 02 84 c0 74 04 3c 03 7e 13 44 8b ab a0 05 00 00 48 81 c3 RSP: 0018:ffffc9000cacf8e0 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffffffffffffff00 RCX: 0000000000000000 RDX: 0000000000000094 RSI: ffffffff8166721c RDI: 00000000000004a0 RBP: ffffffff8c4146ff R08: 0000000000000035 R09: 0000000000000000 R10: 0000000000000001 R11: 697073203a475542 R12: 00000000ffffffde R13: ffff888015d3d7c0 R14: ffffc9000cacfcb0 R15: 0000000000000011 FS: 0000000000000000(0000) GS:ffff88802c700000(0063) knlGS:00000000f7f2cb40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000edbfec00 CR3: 0000000025099000 CR4: 0000000000150ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: debug_spin_lock_before kernel/locking/spinlock_debug.c:85 [inline] do_raw_spin_lock+0x219/0x2b0 kernel/locking/spinlock_debug.c:114 spin_lock include/linux/spinlock.h:350 [inline] ilookup5_nowait fs/inode.c:1427 [inline] ilookup5 fs/inode.c:1457 [inline] iget5_locked+0xa4/0x2c0 fs/inode.c:1238 ntfs_iget5+0xd2/0x3310 fs/ntfs3/inode.c:511 ntfs_fill_super+0x30fd/0x3ab0 fs/ntfs3/super.c:1244 get_tree_bdev+0x444/0x760 fs/super.c:1282 vfs_get_tree+0x8d/0x2f0 fs/super.c:1489 do_new_mount fs/namespace.c:3145 [inline] path_mount+0x132a/0x1e20 fs/namespace.c:3475 do_mount fs/namespace.c:3488 [inline] __do_sys_mount fs/namespace.c:3697 [inline] __se_sys_mount fs/namespace.c:3674 [inline] __ia32_sys_mount+0x282/0x300 fs/namespace.c:3674 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline] __do_fast_syscall_32+0x65/0xf0 arch/x86/entry/common.c:178 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203 entry_SYSENTER_compat_after_hwframe+0x70/0x82 RIP: 0023:0xf7f31549 Code: 03 74 c0 01 10 05 03 74 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 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:00000000f7f2c410 EFLAGS: 00000296 ORIG_RAX: 0000000000000015 RAX: ffffffffffffffda RBX: 00000000f7f2c480 RCX: 000000002001f740 RDX: 000000002001f700 RSI: 0000000000008000 RDI: 00000000f7f2c4c0 RBP: 00000000f7f2c4c0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:task_pid_nr include/linux/sched.h:1562 [inline] RIP: 0010:spin_dump kernel/locking/spinlock_debug.c:63 [inline] RIP: 0010:spin_bug.cold+0x71/0x9e kernel/locking/spinlock_debug.c:77 Code: b1 4c 8a e8 0c 43 00 00 5b 5d 41 5c 41 5d e9 a6 b6 45 00 48 8d bb a0 05 00 00 b8 ff ff 37 00 48 89 fa 48 c1 e0 2a 48 c1 ea 03 <0f> b6 04 02 84 c0 74 04 3c 03 7e 13 44 8b ab a0 05 00 00 48 81 c3 RSP: 0018:ffffc9000cacf8e0 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffffffffffffff00 RCX: 0000000000000000 RDX: 0000000000000094 RSI: ffffffff8166721c RDI: 00000000000004a0 RBP: ffffffff8c4146ff R08: 0000000000000035 R09: 0000000000000000 R10: 0000000000000001 R11: 697073203a475542 R12: 00000000ffffffde R13: ffff888015d3d7c0 R14: ffffc9000cacfcb0 R15: 0000000000000011 FS: 0000000000000000(0000) GS:ffff88802c700000(0063) knlGS:00000000f7f2cb40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000edbfec00 CR3: 0000000025099000 CR4: 0000000000150ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: b1 4c mov $0x4c,%cl 2: 8a e8 mov %al,%ch 4: 0c 43 or $0x43,%al 6: 00 00 add %al,(%rax) 8: 5b pop %rbx 9: 5d pop %rbp a: 41 5c pop %r12 c: 41 5d pop %r13 e: e9 a6 b6 45 00 jmpq 0x45b6b9 13: 48 8d bb a0 05 00 00 lea 0x5a0(%rbx),%rdi 1a: b8 ff ff 37 00 mov $0x37ffff,%eax 1f: 48 89 fa mov %rdi,%rdx 22: 48 c1 e0 2a shl $0x2a,%rax 26: 48 c1 ea 03 shr $0x3,%rdx * 2a: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax <-- trapping instruction 2e: 84 c0 test %al,%al 30: 74 04 je 0x36 32: 3c 03 cmp $0x3,%al 34: 7e 13 jle 0x49 36: 44 8b ab a0 05 00 00 mov 0x5a0(%rbx),%r13d 3d: 48 rex.W 3e: 81 .byte 0x81 3f: c3 retq