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| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2021-08-30 10:05:46 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2021-08-30 10:05:46 -0300 |
| commit | c635813fef0b2327ffecbfbd642f0009e186b3a5 (patch) | |
| tree | 10ce89c8b5c36b890123024849cfd3f53e0affc5 /include/linux/kfence.h | |
| parent | 37c3193fa4d7ddf93947264fa38d71120ff20c2a (diff) | |
| parent | 7d2a07b769330c34b4deabeed939325c77a7ec2f (diff) | |
Merge remote-tracking branch 'torvalds/master' into perf/core
To pick up fixes.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'include/linux/kfence.h')
| -rw-r--r-- | include/linux/kfence.h | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/include/linux/kfence.h b/include/linux/kfence.h index a70d1ea03532..3fe6dd8a18c1 100644 --- a/include/linux/kfence.h +++ b/include/linux/kfence.h @@ -51,10 +51,11 @@ extern atomic_t kfence_allocation_gate; static __always_inline bool is_kfence_address(const void *addr) { /* - * The non-NULL check is required in case the __kfence_pool pointer was - * never initialized; keep it in the slow-path after the range-check. + * The __kfence_pool != NULL check is required to deal with the case + * where __kfence_pool == NULL && addr < KFENCE_POOL_SIZE. Keep it in + * the slow-path after the range-check! */ - return unlikely((unsigned long)((char *)addr - __kfence_pool) < KFENCE_POOL_SIZE && addr); + return unlikely((unsigned long)((char *)addr - __kfence_pool) < KFENCE_POOL_SIZE && __kfence_pool); } /** |