cp, nfs-removal-race.sh? : strace -P d -e inject=%stat:retval=0 -e inject=openat:error=ENOENT:when=1 cp s d fails

[oech3]

$ touch s
$ strace -P d -e inject=%stat:retval=0 -e inject=openat:error=ENOENT:when=1 cp s d 2> /dev/null
$ file d
d: cannot open `d' (No such file or directory)
$ strace -P d -e inject=%stat:retval=0 -e inject=openat:error=ENOENT:when=1 gnu-cp s d 2> /dev/null
$ file d
d: empty

[ChrisDryden]

That's a great way of injecting the errors, I wonder if we can make some helper methods for our rust integ tests that use that to make it easier to test these cases

[oech3]

Helper for unshare -rm bash is also useful. dmsetup might bit difficult to add.

[ChrisDryden]

Do you think we can change more of the LD_PRELOAD tests using this method? I think the ones using mtab are way more complex but maybe there's a few others that would work

[oech3]

No idea about tail's race things currently