In kernel/compat.c in the Linux kernel before 3.17, as used in Google Chrome OS and other products, there is a possible out-of-bounds read. restart_syscall uses uninitialized data when restarting compat_sys_nanosleep. NOTE: this is disputed because the code path is unreachable
https://lkml.org/lkml/2014/9/7/29
https://bugs.chromium.org/p/chromium/issues/detail?id=408827