Nick Desaulniers e5d523f1ae ubsan: disable UBSAN_DIV_ZERO for clang ... Building with UBSAN_DIV_ZERO with clang produces numerous fallthrough warnings from objtool. In the case of uncheck division, UBSAN_DIV_ZERO may introduce new control flow to check for division by zero. Because the result of the division is undefined, LLVM may optimize the control flow such that after the call to __ubsan_handle_divrem_overflow doesn't matter. If panic_on_warn was set, __ubsan_handle_divrem_overflow would panic. The problem is is that panic_on_warn is run time configurable. If it's disabled, then we cannot guarantee that we will be able to recover safely. Disable this config for clang until we can come up with a solution in LLVM. Link: https://github.com/ClangBuiltLinux/linux/issues/1657 Link: https://github.com/llvm/llvm-project/issues/56289 Link: https://lore.kernel.org/lkml/CAHk-=wj1qhf7y3VNACEexyp5EbkNpdcu_542k-xZpzmYLOjiCg@mail.gmail.com/ Reported-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com> Suggested-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Nick Desaulniers <ndesaulniers@google.com> Acked-by: Nathan Chancellor <nathan@kernel.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		2022-07-14 15:45:26 -07:00
..
842	…
crypto	crypto: memneq - move into lib/	2022-06-12 14:51:51 +08:00
dim	dim: initialize all struct fields	2022-05-09 17:20:37 -07:00
fonts	…
kunit	kunit: fix executor OOM error handling logic on non-UML	2022-05-17 10:01:40 -06:00
livepatch	…
lz4	…
lzo	…
math	…
mpi	…
pldmfw	…
raid6	…
reed_solomon	…
test_fortify	…
vdso	…
xz	…
zlib_deflate	…
zlib_dfltcc	…
zlib_inflate	…
zstd	…
.gitignore	…
Kconfig	crypto: memneq - move into lib/	2022-06-12 14:51:51 +08:00
Kconfig.debug	cxl for 5.19	2022-05-27 21:24:19 -07:00
Kconfig.kasan	kasan: clean-up kconfig options descriptions	2022-05-13 07:20:19 -07:00
Kconfig.kcsan	…
Kconfig.kfence	…
Kconfig.kgdb	…
Kconfig.ubsan	ubsan: disable UBSAN_DIV_ZERO for clang	2022-07-14 15:45:26 -07:00
Makefile	crypto: memneq - move into lib/	2022-06-12 14:51:51 +08:00
argv_split.c	…
ashldi3.c	…
ashrdi3.c	…
asn1_decoder.c	…
asn1_encoder.c	…
assoc_array.c	assoc_array: Fix BUG_ON during garbage collect	2022-06-01 18:29:06 -07:00
atomic64.c	…
atomic64_test.c	…
audit.c	…
bcd.c	…
bch.c	…
bitfield_kunit.c	…
bitmap.c	bitmap: Fix return values to be unsigned	2022-06-03 06:52:58 -07:00
bitrev.c	…
bootconfig-data.S	…
bootconfig.c	…
bsearch.c	…
btree.c	…
bucket_locks.c	…
bug.c	bug: Use normal relative pointers in 'struct bug_entry'	2022-05-19 23:46:10 +02:00
build_OID_registry	…
buildid.c	…
bust_spinlocks.c	…
check_signature.c	…
checksum.c	…
clz_ctz.c	…
clz_tab.c	…
cmdline.c	…
cmdline_kunit.c	…
cmpdi2.c	…
compat_audit.c	…
cpu_rmap.c	…
cpumask.c	…
crc-ccitt.c	…
crc-itu-t.c	crc-itu-t: fix typo in CRC ITU-T polynomial comment	2022-06-07 10:27:38 +02:00
crc-t10dif.c	…
crc4.c	…
crc7.c	…
crc8.c	…
crc16.c	…
crc32.c	…
crc32defs.h	…
crc32test.c	…
crc64-rocksoft.c	…
crc64.c	…
ctype.c	…
debug_info.c	…
debug_locks.c	…
debugobjects.c	debugobjects: Convert to SPDX license identifier	2022-05-13 12:35:17 +02:00
dec_and_lock.c	…
decompress.c	…
decompress_bunzip2.c	…
decompress_inflate.c	…
decompress_unlz4.c	…
decompress_unlzma.c	…
decompress_unlzo.c	…
decompress_unxz.c	…
decompress_unzstd.c	…
devmem_is_allowed.c	…
devres.c	…
digsig.c	…
dump_stack.c	…
dynamic_debug.c	…
dynamic_queue_limits.c	…
earlycpio.c	…
errname.c	…
error-inject.c	…
errseq.c	…
extable.c	…
fault-inject-usercopy.c	…
fault-inject.c	mm: fix missing handler for __GFP_NOWARN	2022-05-19 14:08:55 -07:00
fdt.c	…
fdt_addresses.c	…
fdt_empty_tree.c	…
fdt_ro.c	…
fdt_rw.c	…
fdt_strerror.c	…
fdt_sw.c	…
fdt_wip.c	…
find_bit.c	…
find_bit_benchmark.c	…
flex_proportions.c	…
gen_crc32table.c	…
gen_crc64table.c	…
genalloc.c	…
generic-radix-tree.c	…
glob.c	…
globtest.c	…
hexdump.c	…
hweight.c	…
idr.c	ida: don't use BUG_ON() for debugging	2022-07-10 13:55:49 -07:00
inflate.c	…
interval_tree.c	…
interval_tree_test.c	…
iomap.c	…
iomap_copy.c	…
iommu-helper.c	…
iov_iter.c	iov_iter: fix build issue due to possible type mis-match	2022-06-11 10:30:20 -07:00
irq_poll.c	…
irq_regs.c	…
is_single_threaded.c	…
kasprintf.c	…
kfifo.c	…
klist.c	…
kobject.c	…
kobject_uevent.c	…
kstrtox.c	lib/kstrtox.c: add "false"/"true" support to kstrtobool()	2022-05-13 07:20:13 -07:00
kstrtox.h	…
libcrc32c.c	…
linear_ranges.c	…
list-test.c	…
list_debug.c	…
list_sort.c	…
llist.c	…
locking-selftest-hardirq.h	…
locking-selftest-mutex.h	…
locking-selftest-rlock-hardirq.h	…
locking-selftest-rlock-softirq.h	…
locking-selftest-rlock.h	…
locking-selftest-rsem.h	…
locking-selftest-rtmutex.h	…
locking-selftest-softirq.h	…
locking-selftest-spin-hardirq.h	…
locking-selftest-spin-softirq.h	…
locking-selftest-spin.h	…
locking-selftest-wlock-hardirq.h	…
locking-selftest-wlock-softirq.h	…
locking-selftest-wlock.h	…
locking-selftest-wsem.h	…
locking-selftest.c	…
lockref.c	lockref: remove unused 'lockref_get_or_lock()' function	2022-07-03 14:40:28 -07:00
logic_iomem.c	…
logic_pio.c	…
lru_cache.c	…
lshrdi3.c	…
memcat_p.c	…
memcpy_kunit.c	…
memneq.c	crypto: memneq - move into lib/	2022-06-12 14:51:51 +08:00
memory-notifier-error-inject.c	…
memregion.c	…
memweight.c	…
muldi3.c	…
net_utils.c	…
netdev-notifier-error-inject.c	…
nlattr.c	…
nmi_backtrace.c	…
nodemask.c	nodemask: Fix return values to be unsigned	2022-06-03 06:52:58 -07:00
notifier-error-inject.c	…
notifier-error-inject.h	…
objagg.c	…
of-reconfig-notifier-error-inject.c	…
oid_registry.c	…
once.c	…
overflow_kunit.c	…
packing.c	…
parman.c	…
parser.c	…
pci_iomap.c	…
percpu-refcount.c	percpu_ref_init(): clean ->percpu_count_ref on failure	2022-05-18 02:20:17 -04:00
percpu_counter.c	…
percpu_test.c	…
plist.c	…
pm-notifier-error-inject.c	…
polynomial.c	lib: add generic polynomial calculation	2022-05-22 11:32:30 -07:00
radix-tree.c	…
random32.c	random32: use real rng for non-deterministic randomness	2022-05-18 15:53:52 +02:00
ratelimit.c	…
rbtree.c	…
rbtree_test.c	…
ref_tracker.c	…
refcount.c	…
rhashtable.c	…
sbitmap.c	lib/sbitmap: Fix invalid loop in __sbitmap_queue_get_batch()	2022-06-25 10:58:55 -06:00
scatterlist.c	…
seq_buf.c	…
sg_pool.c	…
sg_split.c	…
sha1.c	…
show_mem.c	…
siphash.c	SPDX changes for 5.19-rc1	2022-06-03 10:34:34 -07:00
slub_kunit.c	…
smp_processor_id.c	…
sort.c	…
stackdepot.c	…
stackinit_kunit.c	…
stmp_device.c	…
string.c	…
string_helpers.c	lib/string_helpers: fix not adding strarray to device's resource list	2022-05-12 20:38:36 -07:00
strncpy_from_user.c	…
strnlen_user.c	…
syscall.c	…
test-kstrtox.c	…
test-string_helpers.c	…
test_bitmap.c	lib/bitmap: add test for bitmap_{from,to}_arr64	2022-06-03 06:52:58 -07:00
test_bitops.c	…
test_bits.c	…
test_blackhole_dev.c	…
test_bpf.c	…
test_debug_virtual.c	…
test_firmware.c	test_firmware: fix end of loop test in upload_read_show()	2022-05-19 19:28:37 +02:00
test_fprobe.c	…
test_fpu.c	…
test_free_pages.c	…
test_hash.c	…
test_hexdump.c	…
test_hmm.c	…
test_hmm_uapi.h	…
test_ida.c	…
test_kasan.c	…
test_kasan_module.c	…
test_kmod.c	…
test_kprobes.c	…
test_linear_ranges.c	…
test_list_sort.c	…
test_lockup.c	…
test_memcat_p.c	…
test_meminit.c	…
test_min_heap.c	…
test_module.c	…
test_objagg.c	…
test_parman.c	…
test_printf.c	…
test_ref_tracker.c	…
test_rhashtable.c	…
test_scanf.c	…
test_siphash.c	siphash: add SPDX tags as sole licensing authority	2022-05-19 18:54:22 +02:00
test_sort.c	…
test_static_key_base.c	…
test_static_keys.c	…
test_string.c	…
test_strscpy.c	…
test_sysctl.c	selftests/sysctl: add sysctl macro test	2022-05-03 10:15:07 +02:00
test_ubsan.c	…
test_user_copy.c	…
test_uuid.c	…
test_vmalloc.c	…
test_xarray.c	…
textsearch.c	…
timerqueue.c	…
ts_bm.c	…
ts_fsm.c	…
ts_kmp.c	…
ubsan.c	…
ubsan.h	…
ucmpdi2.c	…
ucs2_string.c	…
usercopy.c	…
uuid.c	…
vsprintf.c	random: remove rng_has_arch_random()	2022-06-10 11:29:48 +02:00
win_minmax.c	…
xarray.c	mm/huge_memory: Fix xarray node memory leak	2022-06-09 16:24:25 -04:00
xxhash.c	…