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Masami Hiramatsu 4b1a29a7f5 error-injection: Support fault injection framework 
Support in-kernel fault-injection framework via debugfs.
This allows you to inject a conditional error to specified
function using debugfs interfaces.

Here is the result of test script described in
Documentation/fault-injection/fault-injection.txt

  ===========
  # ./test_fail_function.sh
  1+0 records in
  1+0 records out
  1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.0227404 s, 46.1 MB/s
  btrfs-progs v4.4
  See http://btrfs.wiki.kernel.org for more information.

  Label:              (null)
  UUID:               bfa96010-12e9-4360-aed0-42eec7af5798
  Node size:          16384
  Sector size:        4096
  Filesystem size:    1001.00MiB
  Block group profiles:
    Data:             single            8.00MiB
    Metadata:         DUP              58.00MiB
    System:           DUP              12.00MiB
  SSD detected:       no
  Incompat features:  extref, skinny-metadata
  Number of devices:  1
  Devices:
     ID        SIZE  PATH
      1  1001.00MiB  /dev/loop2

  mount: mount /dev/loop2 on /opt/tmpmnt failed: Cannot allocate memory
  SUCCESS!
  ===========

Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Reviewed-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2018-01-12 17:33:38 -08:00
..
842
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
fonts
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
lz4
lib/lz4: make arrays static const, reduces object code size
2017-10-03 17:54:25 -07:00
lzo
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
mpi
lib/mpi: Fix umul_ppmm() for MIPS64r6
2017-12-22 19:39:09 +11:00
raid6
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
reed_solomon
…
xz
lib/xz: Add fall-through comments to a switch statement
2017-10-12 15:10:12 +02:00
zlib_deflate
…
zlib_inflate
lib/zlib_inflate/inftrees.c: fix potential buffer overflow
2017-05-08 17:15:12 -07:00
zstd
lib: Add zstd modules
2017-08-15 09:02:08 -07:00
.gitignore
…
argv_split.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
ashldi3.c
move libgcc.h to include/linux
2017-12-01 13:09:40 -08:00
ashrdi3.c
move libgcc.h to include/linux
2017-12-01 13:09:40 -08:00
asn1_decoder.c
ASN.1: check for error from ASN1_OP_END__ACT actions
2017-12-08 15:13:27 +00:00
assoc_array.c
Merge branch 'linus' into locking/core, to resolve conflicts
2017-11-07 10:32:44 +01:00
atomic64_test.c
lib/atomic64_test.c: add a test that atomic64_inc_not_zero() returns an int
2017-07-14 15:05:13 -07:00
atomic64.c
locking/atomic: Implement atomic{,64,_long}_fetch_{add,sub,and,andnot,or,xor}{,_relaxed,_acquire,_release}()
2016-06-16 10:48:32 +02:00
audit.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
bcd.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
bch.c
…
bitmap.c
documentation: kernel-api: add more info on bitmap functions
2017-10-19 13:01:40 -06:00
bitrev.c
…
bsearch.c
lib/bsearch.c: micro-optimize pivot position calculation
2017-07-10 16:32:35 -07:00
btree.c
…
bucket_locks.c
spinlock: Add library function to allocate spinlock buckets array
2017-12-11 09:58:39 -05:00
bug.c
bug: define the "cut here" string in a single place
2017-11-17 16:10:01 -08:00
build_OID_registry
…
bust_spinlocks.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
chacha20.c
random: replace non-blocking pool with a Chacha20-based CRNG
2016-07-03 00:57:23 -04:00
check_signature.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
checksum.c
…
clz_ctz.c
…
clz_tab.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
cmdline.c
lib/cmdline.c: remove meaningless comment
2017-09-08 18:26:49 -07:00
cmpdi2.c
move libgcc.h to include/linux
2017-12-01 13:09:40 -08:00
compat_audit.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
cordic.c
…
cpu_rmap.c
…
cpumask.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
crc4.c
docs: clean up and add rest of CRC functions to kernel-api.rst
2017-09-26 15:01:20 -06:00
crc7.c
…
crc8.c
docs: clean up and add rest of CRC functions to kernel-api.rst
2017-09-26 15:01:20 -06:00
crc16.c
…
crc32.c
docs: clean up and add rest of CRC functions to kernel-api.rst
2017-09-26 15:01:20 -06:00
crc32defs.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
crc32test.c
lib: add module support to crc32 tests
2017-02-24 17:46:57 -08:00
crc-ccitt.c
…
crc-itu-t.c
…
crc-t10dif.c
…
ctype.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
debug_info.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
debug_locks.c
…
debugobjects.c
debugobjects: Make kmemleak ignore debug objects
2017-08-14 16:51:01 +02:00
dec_and_lock.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
decompress_bunzip2.c
…
decompress_inflate.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
decompress_unlz4.c
lib/decompress_unlz4: change module to work with new LZ4 module version
2017-02-24 17:46:57 -08:00
decompress_unlzma.c
…
decompress_unlzo.c
…
decompress_unxz.c
…
decompress.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
devres.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
digsig.c
lib/digsig: fix dereference of NULL user_key_payload
2017-10-12 17:16:40 +01:00
div64.c
A relatively calm cycle for the docs tree again.
2017-11-13 08:25:06 -08:00
dma-debug.c
lib/dma-debug.c: fix incorrect pfn calculation
2017-11-17 16:10:00 -08:00
dma-noop.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
dma-virt.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
dump_stack.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
dynamic_debug.c
dynamic-debug-howto: fix optional/omitted ending line number to be LARGE instead of 0
2017-11-17 16:10:01 -08:00
dynamic_queue_limits.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
2017-11-15 11:56:19 -08:00
earlycpio.c
lib/cpio: Make find_cpio_data()'s offset arg optional
2016-06-08 11:04:19 +02:00
error-inject.c
error-injection: Add injectable error types
2018-01-12 17:33:38 -08:00
errseq.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
extable.c
lib/extable.c: use bsearch() library function in search_extable()
2017-07-10 16:32:35 -07:00
fault-inject.c
fault-inject: fix wrong should_fail() decision in task context
2017-08-10 15:54:06 -07:00
fdt_empty_tree.c
…
fdt_ro.c
…
fdt_rw.c
…
fdt_strerror.c
…
fdt_sw.c
…
fdt_wip.c
…
fdt.c
…
find_bit.c
lib/find_bit.c: micro-optimise find_next_*_bit
2017-02-24 17:46:57 -08:00
flex_array.c
…
flex_proportions.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
gcd.c
lib/gcd: add kernel-doc notation
2017-10-07 10:45:14 -06:00
gen_crc32table.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
genalloc.c
lib/genalloc.c: make the avail variable an atomic_long_t
2017-11-17 16:10:02 -08:00
glob.c
lib: add module support to glob tests
2017-02-24 17:46:57 -08:00
globtest.c
lib: add module support to glob tests
2017-02-24 17:46:57 -08:00
hexdump.c
lib/hexdump.c: return -EINVAL in case of error in hex2bin()
2017-09-08 18:26:49 -07:00
hweight.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
idr.c
mm, truncate: do not check mapping for every page being truncated
2017-11-15 18:21:06 -08:00
inflate.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
int_sqrt.c
lib/int_sqrt: adjust comments
2017-11-17 16:10:01 -08:00
interval_tree_test.c
lib/rbtree-test: lower default params
2017-11-17 16:10:02 -08:00
interval_tree.c
…
iomap_copy.c
…
iomap.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
iommu-common.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
iommu-helper.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
ioremap.c
License cleanup: add SPDX license identifiers to some files
2017-11-02 10:04:46 -07:00
iov_iter.c
new primitive: iov_iter_for_each_range()
2017-10-11 22:36:54 -04:00
irq_poll.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
irq_regs.c
…
is_single_threaded.c
sched/headers: Prepare to move 'init_task' and 'init_thread_union' from <linux/sched.h> to <linux/sched/task.h>
2017-03-02 08:42:38 +01:00
jedec_ddr_data.c
…
kasprintf.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
Kconfig
This pull request contains the following core changes:
2017-11-22 20:46:06 -10:00
Kconfig.debug
error-injection: Support fault injection framework
2018-01-12 17:33:38 -08:00
Kconfig.kasan
mm, kasan: switch SLUB to stackdepot, enable memory quarantine for SLUB
2016-07-28 16:07:41 -07:00
Kconfig.kgdb
lib: update location of kgdb documentation
2017-05-16 08:44:22 -03:00
Kconfig.ubsan
Kconfig: lib/Kconfig.ubsan fix reference to ubsan documentation
2016-12-14 16:04:08 -08:00
kfifo.c
…
klist.c
…
kobject_uevent.c
kobject: fix suppressing modalias in uevents delivered over netlink
2017-12-21 11:10:33 +01:00
kobject.c
kobject: Export kobject_get_unless_zero()
2017-03-22 20:11:35 -06:00
kstrtox.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
kstrtox.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
lcm.c
…
libcrc32c.c
crypto: Work around deallocated stack frame reference gcc bug on sparc.
2017-06-08 17:36:03 +08:00
list_debug.c
bug: switch data corruption check to __must_check
2017-02-24 17:46:56 -08:00
list_sort.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
llist.c
locking/atomics: COCCINELLE/treewide: Convert trivial ACCESS_ONCE() patterns to READ_ONCE()/WRITE_ONCE()
2017-10-25 11:01:08 +02:00
locking-selftest-hardirq.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
locking-selftest-mutex.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
locking-selftest-rlock-hardirq.h
…
locking-selftest-rlock-softirq.h
…
locking-selftest-rlock.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
locking-selftest-rsem.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
locking-selftest-rtmutex.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
locking-selftest-softirq.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
locking-selftest-spin-hardirq.h
…
locking-selftest-spin-softirq.h
…
locking-selftest-spin.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
locking-selftest-wlock-hardirq.h
…
locking-selftest-wlock-softirq.h
…
locking-selftest-wlock.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
locking-selftest-wsem.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
locking-selftest.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
lockref.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
lru_cache.c
…
lshrdi3.c
move libgcc.h to include/linux
2017-12-01 13:09:40 -08:00
Makefile
error-injection: Separate error-injection from kprobe
2018-01-12 17:33:38 -08:00
memory-notifier-error-inject.c
…
memweight.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
muldi3.c
move libgcc.h to include/linux
2017-12-01 13:09:40 -08:00
net_utils.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
netdev-notifier-error-inject.c
…
nlattr.c
netlink: Relax attr validation for fixed length types
2017-12-07 14:00:57 -05:00
nmi_backtrace.c
lib/nmi_backtrace.c: fix kernel text address leak
2017-11-17 16:10:02 -08:00
nodemask.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
notifier-error-inject.c
…
notifier-error-inject.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
of-reconfig-notifier-error-inject.c
…
oid_registry.c
509: fix printing uninitialized stack memory when OID is empty
2017-12-08 15:13:28 +00:00
once.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2017-11-04 09:26:51 +09:00
parman.c
lib: Introduce priority array area manager
2017-02-03 16:35:42 -05:00
parser.c
parser: add u64 number parser
2016-12-06 10:17:03 +02:00
pci_iomap.c
…
percpu_counter.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
percpu_ida.c
sched/headers: Prepare to remove the <linux/gfp.h> include from <linux/sched.h>
2017-03-02 08:42:34 +01:00
percpu_test.c
…
percpu-refcount.c
percpu-refcount: support synchronous switch to atomic mode.
2017-03-22 19:18:43 -07:00
plist.c
sched/headers: Prepare for new header dependencies before moving code to <linux/sched/clock.h>
2017-03-02 08:42:27 +01:00
pm-notifier-error-inject.c
…
prime_numbers.c
lib/prime_numbers: Suppress warn on kmalloc failure
2017-01-23 09:17:12 +01:00
radix-tree.c
mm, truncate: do not check mapping for every page being truncated
2017-11-15 18:21:06 -08:00
random32.c
treewide: Switch DEFINE_TIMER callbacks to struct timer_list *
2017-11-21 15:57:05 -08:00
ratelimit.c
lib/ratelimit.c: use deferred printk() version
2017-10-03 17:54:26 -07:00
rational.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
rbtree_test.c
lib/rbtree-test: lower default params
2017-11-17 16:10:02 -08:00
rbtree.c
lib/rbtree,drm/mm: add rbtree_replace_node_cached()
2017-12-14 16:00:48 -08:00
reciprocal_div.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
refcount.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
rhashtable.c
rhashtable: Call library function alloc_bucket_locks
2017-12-11 09:58:39 -05:00
sbitmap.c
sbitmap: add sbitmap_get_shallow() operation
2017-04-14 14:06:52 -06:00
scatterlist.c
lib/scatterlist: Introduce and export __sg_alloc_table_from_pages
2017-09-07 10:48:29 +01:00
seq_buf.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
sg_pool.c
…
sg_split.c
…
sha1.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
show_mem.c
lib/show_mem.c: teach show_mem to work with the given nodemask
2017-02-22 16:41:30 -08:00
siphash.c
siphash: implement HalfSipHash1-3 for hash tables
2017-01-09 13:58:57 -05:00
smp_processor_id.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
sort.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
stackdepot.c
lib/stackdepot: export save/fetch stack for drivers
2016-11-11 08:12:37 -08:00
stmp_device.c
…
string_helpers.c
mm: treewide: remove GFP_TEMPORARY allocation flag
2017-09-13 18:53:16 -07:00
string.c
lib: add module support to string tests
2017-11-17 16:10:01 -08:00
strncpy_from_user.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
strnlen_user.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
swiotlb.c
x86/mm: Add DMA support for SEV memory encryption
2017-11-07 15:35:58 +01:00
syscall.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
test_bitmap.c
lib/test_bitmap.c: use ULL suffix for 64-bit constants
2017-09-13 18:53:15 -07:00
test_bpf.c
bpf: introduce BPF_JIT_ALWAYS_ON config
2018-01-09 22:25:26 +01:00
test_debug_virtual.c
lib: add test module for CONFIG_DEBUG_VIRTUAL
2017-09-08 18:26:49 -07:00
test_find_bit.c
lib: test module for find_*_bit() functions
2017-11-17 16:10:02 -08:00
test_firmware.c
test_firmware: add batched firmware tests
2017-08-10 13:58:41 -07:00
test_hash.c
lib/test_hash.c: fix warning in preprocessor symbol evaluation
2016-09-01 17:52:01 -07:00
test_hexdump.c
…
test_kasan.c
lib/test: delete five error messages for failed memory allocations
2017-11-17 16:10:01 -08:00
test_kmod.c
lib/test: delete five error messages for failed memory allocations
2017-11-17 16:10:01 -08:00
test_list_sort.c
lib/test: delete five error messages for failed memory allocations
2017-11-17 16:10:01 -08:00
test_module.c
…
test_parman.c
lib: fix spelling mistake: "actualy" -> "actually"
2017-02-26 11:03:38 -05:00
test_printf.c
printk: hash addresses printed with %p
2017-11-29 12:09:02 +11:00
test_rhashtable.c
rhashtable: Change rhashtable_walk_start to return void
2017-12-11 09:58:38 -05:00
test_siphash.c
siphash: implement HalfSipHash1-3 for hash tables
2017-01-09 13:58:57 -05:00
test_sort.c
Revert "lib/test_sort.c: make it explicitly non-modular"
2017-05-08 17:15:10 -07:00
test_static_key_base.c
…
test_static_keys.c
…
test_string.c
lib: add module support to string tests
2017-11-17 16:10:01 -08:00
test_sysctl.c
test_sysctl: test against int proc_dointvec() array support
2017-07-12 16:26:00 -07:00
test_user_copy.c
lib: remove check for AVR32 arch in test_user_copy
2017-05-01 09:36:30 +02:00
test_uuid.c
uuid: fix incorrect uuid_equal conversion in test_uuid_test
2017-07-21 09:38:30 +02:00
test-kstrtox.c
…
test-string_helpers.c
…
textsearch.c
…
timerqueue.c
timerqueue: Document return values of timerqueue_add/del()
2017-12-29 23:13:10 +01:00
ts_bm.c
…
ts_fsm.c
textsearch: fix typos in library helpers
2017-10-22 03:14:07 +01:00
ts_kmp.c
textsearch: fix typos in library helpers
2017-10-22 03:14:07 +01:00
ubsan.c
UBSAN: fix typo in format string
2016-08-02 17:31:41 -04:00
ubsan.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
ucmpdi2.c
move libgcc.h to include/linux
2017-12-01 13:09:40 -08:00
ucs2_string.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
usercopy.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
uuid.c
uuid: hoist uuid_is_null() helper from libnvdimm
2017-06-05 16:59:05 +02:00
vsprintf.c
vsprintf: don't use 'restricted_pointer()' when not restricting
2017-11-29 11:28:09 -08:00
win_minmax.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
xxhash.c
lib: Add xxhash module
2017-08-15 09:02:07 -07:00