DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff888055938a90, owner = 0x0, curr 0xffff88807cf70000, list empty
WARNING: CPU: 1 PID: 12039 at kernel/locking/rwsem.c:1372 __up_write kernel/locking/rwsem.c:1371 [inline]
WARNING: CPU: 1 PID: 12039 at kernel/locking/rwsem.c:1372 up_write+0x4f5/0x580 kernel/locking/rwsem.c:1626
Modules linked in:
CPU: 1 PID: 12039 Comm: syz.9.2343 Tainted: G        W          6.1.121-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024
RIP: 0010:__up_write kernel/locking/rwsem.c:1371 [inline]
RIP: 0010:up_write+0x4f5/0x580 kernel/locking/rwsem.c:1626
Code: 48 c7 c7 e0 f6 0b 8b 48 c7 c6 20 f9 0b 8b 48 8b 54 24 28 48 8b 4c 24 18 4d 89 e0 4c 8b 4c 24 30 53 e8 2f c3 e8 ff 48 83 c4 08 <0f> 0b e9 71 fd ff ff 48 c7 c1 38 39 9b 8e 80 e1 07 80 c1 03 38 c1
RSP: 0018:ffffc9000e787640 EFLAGS: 00010292
RAX: 21d5b0e0ea98a500 RBX: ffffffff8b0bf7c0 RCX: 0000000000080000
RDX: ffffc9000e811000 RSI: 00000000000285a5 RDI: 00000000000285a6
RBP: ffffc9000e787710 R08: ffffffff8152b84e R09: fffffbfff2249c70
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: ffff888055938a90 R14: 1ffff92001cf0ed0 R15: dffffc0000000000
FS:  00007f023c9666c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002003d030 CR3: 000000007baab000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 inode_unlock include/linux/fs.h:763 [inline]
 ovl_workdir_create+0x8ea/0x9d0 fs/overlayfs/super.c:842
 ovl_make_workdir fs/overlayfs/super.c:1389 [inline]
 ovl_get_workdir+0x3b7/0x17b0 fs/overlayfs/super.c:1539
 ovl_fill_super+0x1b85/0x2a20 fs/overlayfs/super.c:2095
 mount_nodev+0x52/0xe0 fs/super.c:1489
 legacy_get_tree+0xeb/0x180 fs/fs_context.c:632
 vfs_get_tree+0x88/0x270 fs/super.c:1573
 do_new_mount+0x2ba/0xb40 fs/namespace.c:3056
 do_mount fs/namespace.c:3399 [inline]
 __do_sys_mount fs/namespace.c:3607 [inline]
 __se_sys_mount+0x2d5/0x3c0 fs/namespace.c:3584
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f023bb85d29
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f023c966038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f023bd75fa0 RCX: 00007f023bb85d29
RDX: 0000000020000080 RSI: 00000000200000c0 RDI: 0000000000000000
RBP: 00007f023bc01aa8 R08: 0000000020000040 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f023bd75fa0 R15: 00007ffe9a018548
 </TASK>