error when using sshfs with vim

Question

I upgraded to Ubuntu 24.04 and now when I try to change a file over ssh using vifm in vim, I get this error:

E667: Fsync failed: Unknown system error -74                                                                                                                                                    
Press ENTER or type command to continue   

What can be causing this error? How can I debug it?

Thank you

Answer 1

Looks like Vim calls fsync() and the kernel returns:

[~]$ perror 74
OS error code  74:  Bad message

It can be something in the kernel (possibly caused by AppArmour and such), FUSE or sshfs itself.