Florent Revest f80f88f0e2 selftests/bpf: Fix the snprintf test ... The BPF program for the snprintf selftest runs on all syscall entries. On busy multicore systems this can cause concurrency issues. For example it was observed that sometimes the userspace part of the test reads " 4 0000" instead of " 4 000" (extra '0' at the end) which seems to happen just before snprintf on another core sets end[-1] = '\0'. This patch adds a pid filter to the test to ensure that no bpf_snprintf() will write over the test's output buffers while the userspace reads the values. Fixes: c2e39c6bdc ("selftests/bpf: Add a series of tests for bpf_snprintf") Reported-by: Andrii Nakryiko <andrii@kernel.org> Signed-off-by: Florent Revest <revest@chromium.org> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20210428152501.1024509-1-revest@chromium.org		2021-04-30 10:36:59 -07:00
..
arm64	arm64 updates for 5.13:	2021-04-26 10:25:03 -07:00
bpf	selftests/bpf: Fix the snprintf test	2021-04-30 10:36:59 -07:00
breakpoints	selftests: breakpoints: Use correct error messages in breakpoint_test_arm64.c	2021-02-08 17:04:41 -07:00
capabilities
cgroup	selftests/cgroup: Fix build on older distros	2020-11-10 15:13:25 -07:00
clone3	selftests/clone3: Fix build error	2020-12-07 14:34:55 -07:00
core	selftests/core: add regression test for CLOSE_RANGE_UNSHARE | CLOSE_RANGE_CLOEXEC	2020-12-19 16:23:19 +01:00
cpu-hotplug
cpufreq
dma	dma-mapping: benchmark: pretend DMA is transmitting	2021-02-05 12:48:46 +01:00
dmabuf-heaps	kselftests: dmabuf-heaps: Add extra checking that allocated buffers are zeroed	2021-02-08 16:25:53 -07:00
drivers	selftests: mlxsw: Fix mausezahn invocation in ERSPAN scale test	2021-04-23 14:01:28 -07:00
efivarfs
exec
filesystems	selftests/filesystems: expand epoll with epoll_pwait2	2020-12-19 11:18:38 -08:00
firmware	firmware_loader: Remove unnecessary conversion to bool	2021-03-23 14:51:50 +01:00
fpu
ftrace	selftests/ftrace: Add '!event' synthetic event syntax check	2021-02-11 16:22:32 -05:00
futex
gpio	selftests: gpio: update .gitignore	2021-03-08 11:59:16 +01:00
ia64
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
kcmp
kexec
kmod
kselftest	tweewide: Fix most Shebang lines	2020-12-08 23:30:04 +09:00
kvm	selftests: kvm: Check that TSC page value is small after KVM_SET_CLOCK(0)	2021-04-01 05:14:19 -04:00
lib
livepatch
lkdtm	lkdtm: Add REPORT_STACK for checking stack offsets	2021-04-08 14:05:20 +02:00
locking
media_tests
membarrier
memfd	selftests/memfd: Fix implicit declaration warnings	2020-11-10 14:42:04 -07:00
memory-hotplug
mincore
mount
mount_setattr	tests: add mount_setattr() selftests	2021-01-24 14:43:45 +01:00
mqueue
nci	selftests: Add nci suite	2021-01-29 18:03:33 -08:00
net	selftests/net: bump timeout to 5 minutes	2021-04-23 14:08:58 -07:00
netfilter	selftests: netfilter: flowtable bridge and vlan support	2021-03-24 12:48:39 -07:00
nsfs
ntb
openat2	selftests: openat2: add RESOLVE_ conflict test	2020-12-03 10:16:28 +01:00
perf_events	signal, perf: Fix siginfo_t by avoiding u64 on 32-bit architectures	2021-04-23 09:03:16 +02:00
pid_namespace
pidfd	selftests: pidfd: drop needless linux/kcmp.h inclusion in pidfd_setns_test.c	2020-10-27 17:04:01 -06:00
powerpc	powerpc updates for 5.12	2021-02-22 14:34:00 -08:00
prctl
proc	selftests: proc: fix warning: _GNU_SOURCE redefined	2020-11-05 10:08:14 -07:00
pstore
ptp
ptrace
rcutorture	Merge branches 'bitmaprange.2021.03.08a', 'fixes.2021.03.15a', 'kvfree_rcu.2021.03.08a', 'mmdumpobj.2021.03.08a', 'nocb.2021.03.15a', 'poll.2021.03.24a', 'rt.2021.03.08a', 'tasks.2021.03.08a', 'torture.2021.03.08a' and 'torturescript.2021.03.22a' into HEAD	2021-03-24 17:20:18 -07:00
resctrl	selftests/resctrl: Change a few printed messages	2021-04-07 16:37:49 -06:00
rseq	rseq/selftests: Fix MEMBARRIER_CMD_PRIVATE_EXPEDITED_RSEQ build error under other arch.	2020-12-07 14:09:45 -07:00
rtc
safesetid
seccomp	kconfig for kcmp syscall	2021-02-22 17:15:30 -08:00
sgx	x86/sgx: Expose SGX architectural definitions to the kernel	2021-04-06 09:43:41 +02:00
sigaltstack
size
sparc64
splice
static_keys
sync
syscall_user_dispatch	entry: Use different define for selector variable in SUD	2021-02-06 00:21:42 +01:00
sysctl
tc-testing	tc-testing: add simple action test to verify batch change cleanup	2021-04-08 13:50:14 -07:00
timens	selftests/timens: add futex binary to .gitignore	2021-02-08 17:29:58 -07:00
timers	selftests/timers: Fix spelling mistake "clocksourc" -> "clocksource"	2021-03-26 11:37:17 -06:00
tmpfs
tpm2
uevent
user
vDSO	selftests/vDSO: fix ABI selftest on riscv	2021-02-08 16:38:34 -07:00
vm	selftests/vm: fix out-of-tree build	2021-03-25 09:22:55 -07:00
watchdog
wireguard	wireguard: selftests: test multiple parallel streams	2021-02-23 15:54:07 -08:00
x86	selftests/x86: Add a missing .note.GNU-stack section to thunks_32.S	2021-03-18 11:05:14 +01:00
zram
.gitignore
gen_kselftest_tar.sh
kselftest.h
kselftest_deps.sh	selftests: remove obsolete gpio references from kselftest_deps.sh	2021-02-15 11:43:28 +01:00
kselftest_harness.h	selftests: kselftest_harness.h: partially fix kernel-doc markups	2021-01-21 14:06:00 -07:00
kselftest_install.sh
kselftest_module.h	kselftest: add support for skipped tests	2021-02-15 11:07:42 +01:00
lib.mk	Networking changes for 5.13.	2021-04-29 11:57:23 -07:00
Makefile	idmapped-mounts-v5.12	2021-02-23 13:39:45 -08:00
run_kselftest.sh	selftests/run_kselftest.sh: fix dry-run typo	2020-11-10 14:51:39 -07:00