diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Kconfig.kasan | 4 | ||||
| -rw-r--r-- | lib/packing.c | 1 | ||||
| -rw-r--r-- | lib/test_hmm.c | 3 |
3 files changed, 6 insertions, 2 deletions
diff --git a/lib/Kconfig.kasan b/lib/Kconfig.kasan index 81f5464ea9e1..34b84bcbd3d9 100644 --- a/lib/Kconfig.kasan +++ b/lib/Kconfig.kasan @@ -15,11 +15,15 @@ config CC_HAS_KASAN_GENERIC config CC_HAS_KASAN_SW_TAGS def_bool $(cc-option, -fsanitize=kernel-hwaddress) +config CC_HAS_WORKING_NOSANITIZE_ADDRESS + def_bool !CC_IS_GCC || GCC_VERSION >= 80300 + config KASAN bool "KASAN: runtime memory debugger" depends on (HAVE_ARCH_KASAN && CC_HAS_KASAN_GENERIC) || \ (HAVE_ARCH_KASAN_SW_TAGS && CC_HAS_KASAN_SW_TAGS) depends on (SLUB && SYSFS) || (SLAB && !DEBUG_SLAB) + depends on CC_HAS_WORKING_NOSANITIZE_ADDRESS help Enables KASAN (KernelAddressSANitizer) - runtime memory debugger, designed to find out-of-bounds accesses and use-after-free bugs. diff --git a/lib/packing.c b/lib/packing.c index 50d1e9f2f5a7..6ed72dccfdb5 100644 --- a/lib/packing.c +++ b/lib/packing.c @@ -73,6 +73,7 @@ static void adjust_for_msb_right_quirk(u64 *to_write, int *box_start_bit, * @endbit: The index (in logical notation, compensated for quirks) where * the packed value ends within pbuf. Must be smaller than, or equal * to, startbit. + * @pbuflen: The length in bytes of the packed buffer pointed to by @pbuf. * @op: If PACK, then uval will be treated as const pointer and copied (packed) * into pbuf, between startbit and endbit. * If UNPACK, then pbuf will be treated as const pointer and the logical diff --git a/lib/test_hmm.c b/lib/test_hmm.c index 28528285942c..a2a82262b97b 100644 --- a/lib/test_hmm.c +++ b/lib/test_hmm.c @@ -520,8 +520,7 @@ static bool dmirror_allocate_chunk(struct dmirror_device *mdevice, err_free: kfree(devmem); err_release: - release_mem_region(devmem->pagemap.res.start, - resource_size(&devmem->pagemap.res)); + release_mem_region(res->start, resource_size(res)); err: mutex_unlock(&mdevice->devmem_lock); return false; |