loop4: detected capacity change from 0 to 8189
ntfs3: loop4: Different NTFS' sector size (1024) and media sector size (512)
=============================
WARNING: suspicious RCU usage
6.0.0-rc5-syzkaller-00025-g3245cb65fd91 #0 Not tainted
-----------------------------
include/trace/events/lock.h:69 suspicious rcu_dereference_check() usage!

other info that might help us debug this:


rcu_scheduler_active = 2, debug_locks = 1
2 locks held by syz-executor.4/7240:
 #0: ffff888023cd40e0 (&type->s_umount_key#86/1){+.+.}-{3:3}, at: alloc_super+0x22e/0xb60 fs/super.c:228
 #1: ffff888023cd49d8 (&s->s_inode_list_lock){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:349 [inline]
 #1: ffff888023cd49d8 (&s->s_inode_list_lock){+.+.}-{2:2}, at: inode_sb_list_del fs/inode.c:503 [inline]
 #1: ffff888023cd49d8 (&s->s_inode_list_lock){+.+.}-{2:2}, at: evict+0x179/0x6b0 fs/inode.c:654

stack backtrace:
CPU: 0 PID: 7240 Comm: syz-executor.4 Not tainted 6.0.0-rc5-syzkaller-00025-g3245cb65fd91 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
 trace_lock_release include/trace/events/lock.h:69 [inline]
 lock_release.cold+0x1f/0x4e kernel/locking/lockdep.c:5677
 __raw_spin_unlock include/linux/spinlock_api_smp.h:141 [inline]
 _raw_spin_unlock+0x12/0x40 kernel/locking/spinlock.c:186
 spin_unlock include/linux/spinlock.h:389 [inline]
 inode_sb_list_del fs/inode.c:505 [inline]
 evict+0x2aa/0x6b0 fs/inode.c:654
 iput_final fs/inode.c:1748 [inline]
 iput.part.0+0x55d/0x810 fs/inode.c:1774
 iput+0x58/0x70 fs/inode.c:1764
 ntfs_fill_super+0x2e89/0x37f0 fs/ntfs3/super.c:1190
 get_tree_bdev+0x440/0x760 fs/super.c:1323
 vfs_get_tree+0x89/0x2f0 fs/super.c:1530
 do_new_mount fs/namespace.c:3040 [inline]
 path_mount+0x1326/0x1e20 fs/namespace.c:3370
 do_mount fs/namespace.c:3383 [inline]
 __do_sys_mount fs/namespace.c:3591 [inline]
 __se_sys_mount fs/namespace.c:3568 [inline]
 __x64_sys_mount+0x27f/0x300 fs/namespace.c:3568
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fd5fb88a93a
Code: 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd5fc971f88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007fd5fb88a93a
RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fd5fc971fe0
RBP: 00007fd5fc972020 R08: 00007fd5fc972020 R09: 0000000020000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000
R13: 0000000020000100 R14: 00007fd5fc971fe0 R15: 000000002007aa80
 </TASK>