Regression test for "making unix_bind() undo mknod on failure"

[pevik]

Write a regression test once making unix_bind() undo mknod on failure patchset is merged.

For more info see workaround https://github.com/linux-test-project/ltp/commit/b003e0f08fa40a4533b234d311f89e32338088e6 for bind03 (original patch).

[coolgw]

git describe --contains c0c3b8d380a8f54c75786d41f6f9efbe761dac6c v5.14-rc1~119^2~86

git log -p c0c3b8d380a8f54c75786d41f6f9efbe761dac6c commit c0c3b8d380a8f54c75786d41f6f9efbe761dac6c Author: Al Viro [email protected] Date: Sat Jun 19 03:50:32 2021 +0000

unix_bind_bsd(): unlink if we fail after successful mknod

[coolgw]

https://patchwork.ozlabs.org/project/ltp/patch/[email protected]/