REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. overlayfs: upper fs needs to support d_type. overlayfs: upper fs does not support tmpfile. ------------[ cut here ]------------ DEBUG_LOCKS_WARN_ON(1) WARNING: CPU: 1 PID: 25131 at kernel/locking/lockdep.c:232 hlock_class kernel/locking/lockdep.c:232 [inline] WARNING: CPU: 1 PID: 25131 at kernel/locking/lockdep.c:232 hlock_class kernel/locking/lockdep.c:221 [inline] WARNING: CPU: 1 PID: 25131 at kernel/locking/lockdep.c:232 check_wait_context kernel/locking/lockdep.c:4730 [inline] WARNING: CPU: 1 PID: 25131 at kernel/locking/lockdep.c:232 __lock_acquire+0x1615/0x5d40 kernel/locking/lockdep.c:5006 Modules linked in: CPU: 1 PID: 25131 Comm: syz-executor.4 Not tainted 6.3.0-rc2-syzkaller-00235-g8d3c682a5e3d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 RIP: 0010:hlock_class kernel/locking/lockdep.c:232 [inline] RIP: 0010:hlock_class kernel/locking/lockdep.c:221 [inline] RIP: 0010:check_wait_context kernel/locking/lockdep.c:4730 [inline] RIP: 0010:__lock_acquire+0x1615/0x5d40 kernel/locking/lockdep.c:5006 Code: 08 84 d2 0f 85 b4 3d 00 00 8b 15 72 92 13 0d 85 d2 0f 85 31 fb ff ff 48 c7 c6 60 64 4c 8a 48 c7 c7 a0 58 4c 8a e8 db fe e6 ff <0f> 0b 31 ed e9 e9 ed ff ff e8 cd 45 a8 02 85 c0 0f 84 c1 fa ff ff RSP: 0018:ffffc900045c77f0 EFLAGS: 00010086 RAX: 0000000000000000 RBX: ffffffff920009ff RCX: ffffc9000c8f3000 RDX: 0000000000040000 RSI: ffffffff814b6037 RDI: 0000000000000001 RBP: 0000000000001880 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 000000002d2d2d2d R12: ffff888025b04530 R13: ffff888025b03a80 R14: 0000000000040000 R15: 0000000000041880 FS: 00007f30c045d700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2dc2a000 CR3: 0000000058000000 CR4: 0000000000350ee0 Call Trace: lock_acquire kernel/locking/lockdep.c:5669 [inline] lock_acquire+0x1af/0x520 kernel/locking/lockdep.c:5634 __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:350 [inline] take_dentry_name_snapshot+0x2b/0x170 fs/dcache.c:315 ovl_check_rename_whiteout fs/overlayfs/super.c:1207 [inline] ovl_make_workdir fs/overlayfs/super.c:1329 [inline] ovl_get_workdir fs/overlayfs/super.c:1444 [inline] ovl_fill_super+0x2090/0x7270 fs/overlayfs/super.c:2000 mount_nodev+0x64/0x120 fs/super.c:1417 legacy_get_tree+0x109/0x220 fs/fs_context.c:610 vfs_get_tree+0x8d/0x350 fs/super.c:1501 do_new_mount fs/namespace.c:3042 [inline] path_mount+0x1342/0x1e40 fs/namespace.c:3372 do_mount fs/namespace.c:3385 [inline] __do_sys_mount fs/namespace.c:3594 [inline] __se_sys_mount fs/namespace.c:3571 [inline] __x64_sys_mount+0x283/0x300 fs/namespace.c:3571 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f30bf68c0f9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007f30c045d168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f30bf7abf80 RCX: 00007f30bf68c0f9 RDX: 0000000020000080 RSI: 0000000020000040 RDI: 0000000000000000 RBP: 00007f30bf6e7b39 R08: 0000000020000480 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd5edd940f R14: 00007f30c045d300 R15: 0000000000022000