loop5: detected capacity change from 0 to 512
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WARNING: lock held when returning to user space!
6.18.0-rc7-next-20251128 #1 Not tainted
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syz-executor.1/4651 is leaving the kernel with locks still held!
1 lock held by syz-executor.1/4651:
 #0: ffff888015ed95c8 (&sb->s_type->i_mutex_key#20/1){+.+.}-{4:4}, at: start_creating_noperm+0x84/0xd0
loop7: detected capacity change from 0 to 512
EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
EXT4-fs (loop7): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
Zero length message leads to an empty skb
netlink: 16 bytes leftover after parsing attributes in process `syz-executor.2'.
EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
EXT4-fs (loop7): unmounting filesystem 00000000-0000-0000-0000-000000000000.
netlink: 16 bytes leftover after parsing attributes in process `syz-executor.2'.