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linux/tools/testing/selftests
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Colin Ian King 2324985aa7 selftests/resctrl: Fix null pointer dereference on open failed 
[ Upstream commit c7b607fa93 ]

Currently if opening /dev/null fails to open then file pointer fp
is null and further access to fp via fprintf will cause a null
pointer dereference. Fix this by returning a negative error value
when a null fp is detected.

Detected using cppcheck static analysis:
tools/testing/selftests/resctrl/fill_buf.c:124:6: note: Assuming
that condition '!fp' is not redundant
 if (!fp)
     ^
tools/testing/selftests/resctrl/fill_buf.c:126:10: note: Null
pointer dereference
 fprintf(fp, "Sum: %d ", ret);

Fixes: a2561b12fe ("selftests/resctrl: Add built in benchmark")
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-06-09 10:22:51 +02:00
..
arm64
kselftest/arm64: signal: Skip tests if required features are missing
2021-09-21 18:12:03 +01:00
bpf
selftests/bpf: fix btf_dump/btf_dump due to recent clang change
2022-06-09 10:22:40 +02:00
breakpoints
selftests: breakpoints: Use correct error messages in breakpoint_test_arm64.c
2021-02-08 17:04:41 -07:00
capabilities
.gitignore: add SPDX License Identifier
2020-03-25 11:50:48 +01:00
cgroup
selftests: cgroup: Test open-time cgroup namespace usage for migration checks
2022-04-13 20:59:27 +02:00
clone3
selftests: fixup build warnings in pidfd / clone3 tests
2022-02-23 12:03:18 +01:00
core
selftests/core: fix conflicting types compile error for close_range()
2021-11-18 19:16:21 +01:00
cpu-hotplug
…
cpufreq
selftests/cpufreq: Rename DEBUG_PI_LIST to DEBUG_PLIST
2021-08-31 11:00:02 -06:00
damon
selftests/damon: test debugfs file reads/writes with huge count
2021-12-22 09:32:51 +01:00
dma
dma-mapping: benchmark: Add support for multi-pages map/unmap
2021-04-02 16:41:08 +02:00
dmabuf-heaps
kselftests: dmabuf-heaps: Add extra checking that allocated buffers are zeroed
2021-02-08 16:25:53 -07:00
drivers
selftests: ocelot: tc_flower_chains: specify conform-exceed action for policer
2022-05-12 12:30:20 +02:00
efivarfs
.gitignore: add SPDX License Identifier
2020-03-25 11:50:48 +01:00
exec
selftests/exec: Add non-regular to TEST_GEN_PROGS
2022-02-23 12:03:13 +01:00
filesystems
selftests/binderfs: add test for feature files
2021-07-21 13:46:36 +02:00
firmware
selftests: firmware: Fix ignored return val of asprintf() warn
2021-07-21 16:11:42 +02:00
fpu
selftests/fpu: Add an FPU selftest
2020-06-29 10:02:23 +02:00
ftrace
selftests/ftrace: Do not trace do_softirq because of PREEMPT_RT
2022-03-08 19:12:31 +01:00
futex
selftests: futex: Use variable MAKE instead of make
2022-02-08 18:34:12 +01:00
gpio
selftests: gpio: fix gpio compiling error
2021-11-25 09:48:34 +01:00
ia64
.gitignore: add SPDX License Identifier
2020-03-25 11:50:48 +01:00
intel_pstate
selftests: intel_pstate: ftime() is deprecated
2020-11-10 14:41:32 -07:00
ipc
selftests/ipc: remove unneeded semicolon
2021-02-08 16:32:43 -07:00
ir
.gitignore: add SPDX License Identifier
2020-03-25 11:50:48 +01:00
kcmp
.gitignore: add SPDX License Identifier
2020-03-25 11:50:48 +01:00
kexec
sefltest/ima: support appended signatures (modsig)
2019-08-29 12:45:30 -04:00
kmod
selftests: kmod: use variable NAME in kmod_test_0001()
2020-08-12 10:58:01 -07:00
kselftest
tweewide: Fix most Shebang lines
2020-12-08 23:30:04 +09:00
kvm
KVM: selftests: Silence compiler warning in the kvm_page_table_test
2022-05-12 12:30:24 +02:00
landlock
landlock: Enable user space to infer supported features
2021-04-22 12:22:11 -07:00
lib
selftests: lib: Add wrapper script for test_scanf
2021-05-19 15:05:11 +02:00
livepatch
selftests/livepatch: Do not check order when using "comm" for dmesg checking
2020-08-27 15:27:24 +02:00
lkdtm
selftests/lkdtm: Add UBSAN config
2022-04-08 14:23:18 +02:00
locking
…
media_tests
.gitignore: add SPDX License Identifier
2020-03-25 11:50:48 +01:00
membarrier
.gitignore: add SPDX License Identifier
2020-03-25 11:50:48 +01:00
memfd
selftests/memfd: clean up mapping in mfd_fail_write
2022-03-16 14:23:42 +01:00
memory-hotplug
selftests: memory-hotplug: avoid spamming logs with dump_page(), ratio limit hot-remove error test
2021-07-12 14:20:01 -06:00
mincore
selftests: skip mincore.check_file_mmap when fs lacks needed support
2022-02-23 12:03:05 +01:00
mount
selftests: mount: add nosymfollow tests
2020-08-27 16:06:47 -04:00
mount_setattr
tests: fix idmapped mount_setattr test
2022-02-23 12:03:21 +01:00
move_mount_set_group
tests: add move_mount(MOVE_MOUNT_SET_GROUP) selftest
2021-07-26 14:45:19 +02:00
mqueue
testing/selftests/mqueue: Fix mq_perf_tests to free the allocated cpu set
2022-04-20 09:34:12 +02:00
nci
selftests: nci: replace unsigned int with int
2021-09-16 13:55:51 +01:00
net
selftests: add ping test with ping_group_range tuned
2022-05-25 09:57:35 +02:00
netfilter
selftests: netfilter: disable rp_filter on router
2022-02-23 12:03:10 +01:00
nsfs
tools/testing: Replace zero-length array with flexible-array
2020-05-08 09:42:14 -06:00
ntb
NTB: ntb_test: Fix bug when counting remote files
2020-06-05 20:02:09 -04:00
openat2
selftests: openat2: Skip testcases that fail with EOPNOTSUPP
2022-02-23 12:03:05 +01:00
perf_events
signal: Deliver all of the siginfo perf data in _perf
2021-05-18 16:20:54 -05:00
pid_namespace
selftests: Remove unneeded selftest API headers
2020-07-06 15:59:07 -06:00
pidfd
selftests: fixup build warnings in pidfd / clone3 tests
2022-02-23 12:03:18 +01:00
powerpc
selftests/powerpc: Add a test of sigreturning to the kernel
2022-01-27 11:05:03 +01:00
prctl
.gitignore: add SPDX License Identifier
2020-03-25 11:50:48 +01:00
proc
proc: add .gitignore for proc-subset-pid selftest
2021-06-05 08:58:11 -07:00
pstore
pstore/platform: Use backend name for console registration
2020-05-30 10:34:02 -07:00
ptp
testptp: add new options for perout phase and pulse width
2020-07-20 18:04:59 -07:00
ptrace
selftests: Add missing gitignore entries
2020-09-23 10:19:25 -06:00
rcutorture
torture: Make torture.sh help message match reality
2022-04-08 14:24:16 +02:00
resctrl
selftests/resctrl: Fix null pointer dereference on open failed
2022-06-09 10:22:51 +02:00
rlimits
kselftests: Add test to check for rlimit changes in different user namespaces
2021-04-30 14:14:03 -05:00
rseq
rseq/selftests: Fix MEMBARRIER_CMD_PRIVATE_EXPEDITED_RSEQ build error under other arch.
2020-12-07 14:09:45 -07:00
rtc
selftests: rtc: Increase test timeout so that all tests run
2022-02-23 12:03:04 +01:00
safesetid
selftests: safesetid: Fix spelling mistake "cant" -> "can't"
2021-08-26 15:15:24 -06:00
sched
kselftests/sched: cleanup the child processes
2021-11-18 19:16:14 +01:00
seccomp
selftests/seccomp: Don't call read() on TTY from background pgrp
2022-05-12 12:30:14 +02:00
sgx
selftests/sgx: Treat CC as one argument
2022-04-08 14:23:06 +02:00
sigaltstack
selftest/sigaltstack: Use the AT_MINSIGSTKSZ aux vector if available
2021-05-19 12:38:17 +02:00
size
.gitignore: add SPDX License Identifier
2020-03-25 11:50:48 +01:00
sparc64
.gitignore: add SPDX License Identifier
2020-03-25 11:50:48 +01:00
splice
selftests: splice: Adjust for handler fallback removal
2021-06-07 18:39:43 -06:00
static_keys
treewide: Add SPDX license identifier - Makefile/Kconfig
2019-05-21 10:50:46 +02:00
sync
selftests/sync: Remove the deprecated config SYNC
2021-08-31 10:58:00 -06:00
syscall_user_dispatch
entry: Use different define for selector variable in SUD
2021-02-06 00:21:42 +01:00
sysctl
Merge tag 'linux-kselftest-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
2020-06-09 10:03:12 -07:00
tc-testing
tc-testing: Add control-plane selftests for sch_mq
2021-08-04 12:42:27 +01:00
timens
selftests/timens: Fix gettime_perf to work on powerpc
2021-04-21 22:52:32 +10:00
timers
selftests: timers: rtcpie: skip test if default RTC device does not exist
2021-06-07 19:18:52 -06:00
tmpfs
.gitignore: add SPDX License Identifier
2020-03-25 11:50:48 +01:00
tpm2
selftests: tpm: upgrade TPM2 tests from Python 2 to Python 3
2020-07-06 14:20:35 -06:00
uevent
selftests: Remove unneeded selftest API headers
2020-07-06 15:59:07 -06:00
user
treewide: Add SPDX license identifier - Makefile/Kconfig
2019-05-21 10:50:46 +02:00
vDSO
kselftest: Fix vdso_test_abi return status
2022-02-23 12:03:06 +01:00
vm
selftests: vm: Makefile: rename TARGETS to VMTARGETS
2022-05-18 10:26:50 +02:00
watchdog
.gitignore: add SPDX License Identifier
2020-03-25 11:50:48 +01:00
wireguard
wireguard: device: reset peer src endpoint when netns exits
2021-12-08 09:04:46 +01:00
x86
selftests, x86: fix how check_cc.sh is being invoked
2022-04-08 14:23:11 +02:00
zram
selftests/zram: Adapt the situation that /dev/zram0 is being used
2022-02-23 12:03:05 +01:00
.gitignore
Merge tag 'spdx-5.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/spdx
2020-04-03 13:12:26 -07:00
gen_kselftest_tar.sh
selftests: introduce gen_tar Makefile target
2020-05-19 16:11:46 -06:00
kselftest_deps.sh
selftests: remove obsolete gpio references from kselftest_deps.sh
2021-02-15 11:43:28 +01:00
kselftest_harness.h
kselftest: signal all child processes
2022-02-23 12:03:04 +01:00
kselftest_install.sh
selftests: gen_kselftest_tar.sh: Do not clobber kselftest/
2019-11-07 14:43:27 -07:00
kselftest_module.h
kselftest: add support for skipped tests
2021-02-15 11:07:42 +01:00
kselftest.h
Merge tag 'linux-kselftest-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
2020-08-05 10:28:25 -07:00
lib.mk
selftests: be sure to make khdr before other targets
2021-09-15 10:34:21 -06:00
Makefile
selftests/damon: add damon to selftests root Makefile
2022-06-09 10:22:50 +02:00
run_kselftest.sh
selftests/run_kselftest.sh: fix dry-run typo
2020-11-10 14:51:39 -07:00