Petr Lautrbach
a0c9496cc8
Currently socket_address_listen() calls mac_selinux_bind() to bind a UNIX socket and checks its return value and errno for EADDRINUSE. This is not correct. When there's an SELinux context change made for the new socket, bind() is not the last function called in mac_selinux_bind(). In that case the last call is setfscreatecon() from libselinux which can change errno as it uses access() to check if /proc/thread-self is available. It fails on kernels before 3.17 and errno is set to ENOENT. It's safe to check only the return value at it's set to -errno.
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