================================================
WARNING: lock held when returning to user space!
6.18.0-rc7-next-20251128 #1 Not tainted
------------------------------------------------
syz-executor.7/5181 is leaving the kernel with locks still held!
1 lock held by syz-executor.7/5181:
 #0: ffff888015d98848 (&sb->s_type->i_mutex_key#26/1){+.+.}-{4:4}, at: start_creating_noperm+0x84/0xd0
loop5: detected capacity change from 0 to 3504
loop7: detected capacity change from 0 to 128
ISO 9660 Extensions: Microsoft Joliet Level 3
ISOFS: changing to secondary root
loop0: detected capacity change from 0 to 512
loop3: detected capacity change from 0 to 264192
loop7: detected capacity change from 0 to 264192
EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
ext4 filesystem being mounted at /syzkaller-testdir669451711/syzkaller.X4uHwi/25/file0 supports timestamps until 2038-01-19 (0x7fffffff)
EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
loop0: detected capacity change from 0 to 264192
mac80211_hwsim hwsim15 wlan1: entered promiscuous mode
mac80211_hwsim hwsim15 wlan1: left promiscuous mode
loop3: detected capacity change from 0 to 264192
mac80211_hwsim hwsim15 wlan1: entered promiscuous mode
loop5: detected capacity change from 0 to 3504
mac80211_hwsim hwsim15 wlan1: left promiscuous mode
ISO 9660 Extensions: Microsoft Joliet Level 3
ISOFS: changing to secondary root