Warning: Permanently added '10.128.1.32' (ECDSA) to the list of known hosts. [ 29.992683] F2FS-fs (loop0): Invalid blocksize (65536), supports only 4KB [ 29.992683] [ 30.001508] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 30.013965] F2FS-fs (loop0): Found nat_bits in checkpoint [ 30.046521] F2FS-fs (loop0): Mounted with checkpoint version = 3e17dab1 [ 30.063537] [ 30.065189] ================================================ [ 30.070971] WARNING: lock held when returning to user space! [ 30.076753] 4.14.295-syzkaller #0 Not tainted [ 30.081228] ------------------------------------------------ [ 30.086999] syz-executor166/7993 is leaving the kernel with locks still held! [ 30.094259] 1 lock held by s