Peter Collingbourne 0db282ba2c selftest: use mmap instead of posix_memalign to allocate memory ... This test passes pointers obtained from anon_allocate_area to the userfaultfd and mremap APIs. This causes a problem if the system allocator returns tagged pointers because with the tagged address ABI the kernel rejects tagged addresses passed to these APIs, which would end up causing the test to fail. To make this test compatible with such system allocators, stop using the system allocator to allocate memory in anon_allocate_area, and instead just use mmap. Link: https://lkml.kernel.org/r/20210714195437.118982-3-pcc@google.com Link: https://linux-review.googlesource.com/id/Icac91064fcd923f77a83e8e133f8631c5b8fc241 Fixes: c47174fc36 ("userfaultfd: selftest") Co-developed-by: Lokesh Gidra <lokeshgidra@google.com> Signed-off-by: Lokesh Gidra <lokeshgidra@google.com> Signed-off-by: Peter Collingbourne <pcc@google.com> Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> Cc: Vincenzo Frascino <vincenzo.frascino@arm.com> Cc: Dave Martin <Dave.Martin@arm.com> Cc: Will Deacon <will@kernel.org> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: Alistair Delva <adelva@google.com> Cc: William McVicker <willmcvicker@google.com> Cc: Evgenii Stepanov <eugenis@google.com> Cc: Mitch Phillips <mitchp@google.com> Cc: Andrey Konovalov <andreyknvl@gmail.com> Cc: <stable@vger.kernel.org> [5.4] Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		2021-07-23 17:43:28 -07:00
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accounting
arch	tools headers UAPI: Sync files changed by the memfd_secret new syscall	2021-07-14 10:05:35 -03:00
bootconfig
bpf	bpftool: Check malloc return value in mount_bpffs_for_pin	2021-07-15 20:01:36 +02:00
build
cgroup
debugging	tools: Fix "the the" in a message in kernel-chktaint	2021-06-13 17:01:17 -06:00
edid
firewire
firmware
gpio
hv
iio
include	tools headers: Remove broken definition of __LITTLE_ENDIAN	2021-07-14 14:39:36 -03:00
io_uring
kvm/kvm_stat
laptop
leds
lib	Networking fixes for 5.14-rc2, including fixes from bpf and netfilter.	2021-07-14 09:24:32 -07:00
memory-model
objtool	A single ELF format fix for a section flags mismatch bug that breaks	2021-06-28 11:35:55 -07:00
pci
pcmcia
perf	perf sched: Fix record failure when CONFIG_SCHEDSTATS is not set	2021-07-18 09:36:37 -03:00
power	tools/power/x86/intel-speed-select: v1.10 release	2021-06-18 15:29:32 +02:00
rcu
scripts
spi
testing	selftest: use mmap instead of posix_memalign to allocate memory	2021-07-23 17:43:28 -07:00
thermal/tmon
time
tracing
usb
virtio
vm	tools/vm/page_owner_sort.c: check malloc() return	2021-06-29 10:53:47 -07:00
wmi
Makefile