Pull structure randomization updates from Kees Cook: "Now that IPC and other changes have landed, enable manual markings for randstruct plugin, including the task_struct. This is the rest of what was staged in -next for the gcc-plugins, and comes in three patches, largest first: - mark "easy" structs with __randomize_layout - mark task_struct with an optional anonymous struct to isolate the __randomize_layout section - mark structs to opt _out_ of automated marking (which will come later) And, FWIW, this continues to pass allmodconfig (normal and patched to enable gcc-plugins) builds of x86_64, i386, arm64, arm, powerpc, and s390 for me" * tag 'gcc-plugins-v4.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: randstruct: opt-out externally exposed function pointer structs task_struct: Allow randomized layout randstruct: Mark various structs for randomization
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| @@ -212,7 +212,7 @@ struct futex_pi_state { · 211 unmodified lines | |||
| 212 | atomic_t refcount; | 212 | atomic_t refcount; |
| 213 | 213 | ||
| 214 | union futex_key key; | 214 | union futex_key key; |
| 215 | }; | 215 | } __randomize_layout; |
| 216 | 216 | ||
| 217 | /** | 217 | /** |
| 218 | * struct futex_q - The hashed futex queue entry, one per waiting task | 218 | * struct futex_q - The hashed futex queue entry, one per waiting task |
| @@ -246,7 +246,7 @@ struct futex_q { · 27 unmodified lines | |||
| 246 | struct rt_mutex_waiter *rt_waiter; | 246 | struct rt_mutex_waiter *rt_waiter; |
| 247 | union futex_key *requeue_pi_key; | 247 | union futex_key *requeue_pi_key; |
| 248 | u32 bitset; | 248 | u32 bitset; |
| 249 | }; | 249 | } __randomize_layout; |
| 250 | 250 | ||
| 251 | static const struct futex_q futex_q_init = { | 251 | static const struct futex_q futex_q_init = { |
| 252 | /* list gets initialized in queue_me()*/ | 252 | /* list gets initialized in queue_me()*/ |