Hello, syzbot found the following issue on: HEAD commit: 40384c840ea1 Linux 6.13-rc1 git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=12c000f8580000 kernel config: https://syzkaller.appspot.com/x/.config?x=ad7dafcfaa48849c dashboard link: https://syzkaller.appspot.com/bug?extid=a86ba8468e1f414dce00 compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1576d5e8580000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/32ee9cd04555/disk-40384c84.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/e7894cd1da27/vmlinux-40384c84.xz kernel image: https://storage.googleapis.com/syzbot-assets/2129df5d769f/bzImage-40384c84.xz mounted in repro: https://storage.googleapis.com/syzbot-assets/8e5370ea11d8/mount_0.gz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+a86ba8468e1f414dce00@xxxxxxxxxxxxxxxxxxxxxxxxx ntfs3(loop0): Different NTFS sector size (2048) and media sector size (512). ================================== WARNING: Nested lock was not taken 6.13.0-rc1-syzkaller #0 Not tainted ---------------------------------- syz.0.167/6410 is trying to lock: ffff88805d36f110 (&sb->s_type->i_lock_key#34){+.+.}-{3:3}, at: spin_lock include/linux/spinlock.h:351 [inline] ffff88805d36f110 (&sb->s_type->i_lock_key#34){+.+.}-{3:3}, at: iput_final fs/inode.c:1935 [inline] ffff88805d36f110 (&sb->s_type->i_lock_key#34){+.+.}-{3:3}, at: iput fs/inode.c:1972 [inline] ffff88805d36f110 (&sb->s_type->i_lock_key#34){+.+.}-{3:3}, at: iput+0x63e/0x890 fs/inode.c:1958 but this task is not holding: Oops: general protection fault, probably for non-canonical address 0xdffffc0000000003: 0000 [#1] PREEMPT SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x0000000000000018-0x000000000000001f] CPU: 0 UID: 0 PID: 6410 Comm: syz.0.167 Not tainted 6.13.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:print_lock_nested_lock_not_held kernel/locking/lockdep.c:5049 [inline] RIP: 0010:__lock_acquire+0x1241/0x3c40 kernel/locking/lockdep.c:5217 Code: fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 08 21 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 5f 18 48 8d 7b 18 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 db 20 00 00 48 8b 73 18 48 c7 c7 20 0c 6d 8b e8 RSP: 0018:ffffc9000524f820 EFLAGS: 00010016 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff81794fa9 RDX: 0000000000000003 RSI: ffffffff8179f976 RDI: 0000000000000018 RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000002 R11: 7369687420747562 R12: ffff888025af8000 R13: ffff888025af8000 R14: ffffed1004b5f15b R15: ffff888025af8b08 FS: 00007f4e610c96c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555577de8608 CR3: 000000005eac8000 CR4: 0000000000350ef0 Call Trace: <TASK> lock_acquire.part.0+0x11b/0x380 kernel/locking/lockdep.c:5849 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154 spin_lock include/linux/spinlock.h:351 [inline] iput_final fs/inode.c:1935 [inline] iput fs/inode.c:1972 [inline] iput+0x63e/0x890 fs/inode.c:1958 ntfs_fill_super+0x331c/0x4190 fs/ntfs3/super.c:1472 get_tree_bdev_flags+0x38e/0x620 fs/super.c:1636 vfs_get_tree+0x92/0x380 fs/super.c:1814 do_new_mount fs/namespace.c:3507 [inline] path_mount+0x14e6/0x1f20 fs/namespace.c:3834 do_mount fs/namespace.c:3847 [inline] __do_sys_mount fs/namespace.c:4057 [inline] __se_sys_mount fs/namespace.c:4034 [inline] __x64_sys_mount+0x294/0x320 fs/namespace.c:4034 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f4e60381fea Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f4e610c8e88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f4e610c8f10 RCX: 00007f4e60381fea RDX: 00000000200000c0 RSI: 000000002001f3c0 RDI: 00007f4e610c8ed0 RBP: 00000000200000c0 R08: 00007f4e610c8f10 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000002001f3c0 R13: 00007f4e610c8ed0 R14: 000000000001f393 R15: 00000000200001c0 </TASK> Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:print_lock_nested_lock_not_held kernel/locking/lockdep.c:5049 [inline] RIP: 0010:__lock_acquire+0x1241/0x3c40 kernel/locking/lockdep.c:5217 Code: fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 08 21 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 5f 18 48 8d 7b 18 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 db 20 00 00 48 8b 73 18 48 c7 c7 20 0c 6d 8b e8 RSP: 0018:ffffc9000524f820 EFLAGS: 00010016 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff81794fa9 RDX: 0000000000000003 RSI: ffffffff8179f976 RDI: 0000000000000018 RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000002 R11: 7369687420747562 R12: ffff888025af8000 R13: ffff888025af8000 R14: ffffed1004b5f15b R15: ffff888025af8b08 FS: 00007f4e610c96c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555577de8608 CR3: 000000005eac8000 CR4: 0000000000350ef0 ---------------- Code disassembly (best guess), 3 bytes skipped: 0: 48 c1 ea 03 shr $0x3,%rdx 4: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) 8: 0f 85 08 21 00 00 jne 0x2116 e: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 15: fc ff df 18: 49 8b 5f 18 mov 0x18(%r15),%rbx 1c: 48 8d 7b 18 lea 0x18(%rbx),%rdi 20: 48 89 fa mov %rdi,%rdx 23: 48 c1 ea 03 shr $0x3,%rdx * 27: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction 2b: 0f 85 db 20 00 00 jne 0x210c 31: 48 8b 73 18 mov 0x18(%rbx),%rsi 35: 48 c7 c7 20 0c 6d 8b mov $0xffffffff8b6d0c20,%rdi 3c: e8 .byte 0xe8 --- This report is generated by a bot. 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