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linux/tools/testing/selftests
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T.J. Mercier be6f0d0bae selftests: drv-net: ncdevmem: Open /dev/udmabuf O_RDONLY 
Write permissions on the /dev/udmabuf device file are not required to
issue ioctls and allocate udmabufs. Applications should be opening this
file as O_RDONLY. The BPF dmabuf_iter selftest already does this. [1]

Users are pointing to these selftests as examples of how use udmabuf,
and encountering permission errors on systems where write permissions
are not available on /dev/udmabuf. Apply the principle of least
privilege to selftests which use udmabuf by removing the write access
mode from drivers/net/hw/ncdevmem.c.

[1] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/tools/testing/selftests/bpf/prog_tests/dmabuf_iter.c?h=v7.1#n49

Signed-off-by: T.J. Mercier <tjmercier@google.com>
Reviewed-by: Bobby Eshleman <bobbyeshleman@meta.com>
Link: https://patch.msgid.link/20260722205442.1894665-1-tjmercier@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-07-24 14:53:16 -07:00
..
acct selftests/acct: add taskstats TGID retention test 2026-05-28 21:24:41 -07:00
alsa selftests/alsa: Fix format specifier and function mismatch in mixer-test 2026-07-06 10:24:05 +02:00
amd-pstate
arm64 selftests/arm64: fix spelling errors in comments 2026-07-02 11:44:43 +01:00
bpf Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2026-07-23 14:07:40 -07:00
breakpoints selftests: fix ARCH normalization to handle command-line argument 2026-03-27 21:19:44 -07:00
cachestat selftests: complete kselftest include centralization 2025-11-27 14:24:31 -08:00
capabilities selftests: complete kselftest include centralization 2025-11-27 14:24:31 -08:00
cgroup mm.git review status for mm-hotfixes-stable..mm-stable 2026-06-19 10:14:34 -07:00
clone3 selftests/clone3: remove unused variables 2026-05-27 14:11:41 +02:00
connector selftests: complete kselftest include centralization 2025-11-27 14:24:31 -08:00
core selftests: complete kselftest include centralization 2025-11-27 14:24:31 -08:00
coredump selftests: check pidfd_info->coredump_code correctness 2026-03-23 16:29:15 +01:00
cpu-hotplug selftests/cpu-hotplug: Fix check for cpu hotplug not supported 2026-03-31 16:07:19 -06:00
cpufreq kselftest: cpufreq: Get rid of double suspend in rtcwake case 2025-05-09 12:43:39 -06:00
damon selftests/damon/sysfs.sh: test pause file existence 2026-06-04 14:45:02 -07:00
devices
dm-verity selftests: add dm-verity keyring selftests 2026-01-19 15:21:26 +01:00
dmabuf-heaps selftests: complete kselftest include centralization 2025-11-27 14:24:31 -08:00
drivers selftests: drv-net: ncdevmem: Open /dev/udmabuf O_RDONLY 2026-07-24 14:53:16 -07:00
dt
efivarfs
exec selftests: complete kselftest include centralization 2025-11-27 14:24:31 -08:00
fchmodat2 selftests/fchmodat2: use ksft_finished() 2026-03-27 21:19:37 -07:00
filelock kselftest/filelock: add a .gitignore file 2026-05-28 21:24:44 -07:00
filesystems selftests/filesystems: test O_TMPFILE creation on idmapped mounts 2026-07-01 15:26:18 +02:00
firmware
fpu
ftrace selftests/tracing: Have trigger-hist-poll.tc use sched_process_exit 2026-07-10 10:14:42 -06:00
futex selftests: futex: Add tests for robust release operations 2026-06-03 11:38:53 +02:00
gpio selftests: gpio: add gpio-cdev-uaf to .gitignore 2026-07-08 09:45:43 +02:00
hid selftests/hid: multitouch: test a large ContactCountMaximum 2026-07-01 20:36:12 +02:00
ia64
intel_pstate selftests: complete kselftest include centralization 2025-11-27 14:24:31 -08:00
iommu iommufd/selftest: Add invalidation entry_num and entry_len boundary tests 2026-06-12 10:44:44 -03:00
ipc selftests: fix ARCH normalization to handle command-line argument 2026-03-27 21:19:44 -07:00
ir selftests: complete kselftest include centralization 2025-11-27 14:24:31 -08:00
kcmp selftests: complete kselftest include centralization 2025-11-27 14:24:31 -08:00
kexec selftests/kexec: Ignore selftest binary 2025-09-25 13:43:28 -06:00
kho selftests: kho: test with deferred struct page init 2026-06-01 02:31:37 +03:00
kmod lib/test_kmod: do not hardcode/depend on any filesystem 2025-05-11 17:54:09 -07:00
kselftest selftests: Fix duplicated test number reporting 2026-04-17 11:29:03 -06:00
kselftest_harness selftests: harness: Validate intermixing of kselftest and harness functionality 2026-03-31 13:48:34 -06:00
kvm KVM: selftests: sev_init2_tests: Derive SEV availability from KVM 2026-07-21 12:25:27 +02:00
landlock selftests/landlock: Skip scoped_signal subtest with MSG_OOB if not available 2026-07-10 12:59:11 +02:00
lib lib/prime_numbers: KUnit test should not select PRIME_NUMBERS 2025-04-15 13:50:43 -07:00
livepatch selftests/livepatch: fix resource leak in test_klp_syscall init error path 2026-06-09 12:38:33 +02:00
liveupdate selftests/liveupdate: Add stress-files kexec test 2026-06-03 21:15:46 +03:00
lkdtm lkdtm/powerpc: add PPC_RADIX_TLBIEL test for radix MCE validation 2026-05-21 03:21:01 -07:00
locking
lsm selftests: complete kselftest include centralization 2025-11-27 14:24:31 -08:00
media_tests selftests: complete kselftest include centralization 2025-11-27 14:24:31 -08:00
membarrier selftests/membarrier: Add rseq stress test for CFS throttle interactions 2026-05-05 12:50:48 +02:00
memfd selftests/memfd: remove unused variable 'sig' in fuse_test 2026-06-04 14:45:06 -07:00
memory-hotplug
mincore selftests: complete kselftest include centralization 2025-11-27 14:24:31 -08:00
mm selftests/mm: hmm-tests: include linux/mman.h to access MADV_COLLAPSE 2026-07-01 19:02:54 -07:00
module
mount
mount_setattr selftests/mount_setattr: increase tmpfs size for idmapped mount tests 2026-03-17 16:59:45 +01:00
move_mount_set_group selftests: complete kselftest include centralization 2025-11-27 14:24:31 -08:00
mqueue selftests/mqueue: Fix incorrectly named file 2026-03-31 15:01:51 -06:00
mseal_system_mappings selftests: complete kselftest include centralization 2025-11-27 14:24:31 -08:00
namespaces selftests/namespaces: Skip efault tests when listns() is not available 2026-05-11 12:25:32 +02:00
nci selftests: complete kselftest include centralization 2025-11-27 14:24:31 -08:00
net Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2026-07-23 14:07:40 -07:00
nolibc selftests/nolibc: test against -Wwrite-strings 2026-05-26 21:06:26 +02:00
ntb
pci_endpoint selftests: pci_endpoint: Skip BAR subrange test on -ENOSPC 2026-04-08 14:41:39 -05:00
pcie_bwctrl selftests/pcie_bwctrl: Fix test progs list 2025-04-18 08:23:22 -05:00
perf_events selftests/perf_events: fix mmap() error check in sigtrap_threads 2026-05-28 21:24:49 -07:00
pid_namespace selftests/pid_namespace: compute pid_max test limits dynamically 2026-05-11 11:09:30 +02:00
pidfd selftests: check pidfd_info->coredump_code correctness 2026-03-23 16:29:15 +01:00
pipe selftests/pipe: add pipe_bench microbenchmark 2026-05-28 14:33:25 +02:00
power_supply
powerpc selftests/powerpc: Suppress -Wmaybe-uninitialized with GCC 15 2026-04-01 09:21:04 +05:30
prctl selftests: fix ARCH normalization to handle command-line argument 2026-03-27 21:19:44 -07:00
proc selftests/proc: add /proc/pid/smaps tearing tests 2026-06-04 14:45:06 -07:00
pstore
ptp selftests: ptp: treat unsupported PHC operations as skip 2026-01-27 17:57:28 -08:00
ptrace selftests: complete kselftest include centralization 2025-11-27 14:24:31 -08:00
rcutorture torture: Allow "norm" abbreviation for "normal" 2026-05-24 09:38:59 +02:00
rdma Linux 7.1-rc5 2026-05-25 13:48:00 -03:00
resctrl selftests/resctrl: Reduce L2 impact on CAT test 2026-05-04 18:40:02 -06:00
ring-buffer selftests: complete kselftest include centralization 2025-11-27 14:24:31 -08:00
riscv selftests/riscv: ptrace: Fix memory leak of regset_data in vector tests 2026-07-10 09:32:35 -06:00
rlimits
rseq selftests/rseq: Fix a building error for riscv arch 2026-07-08 10:59:14 -06:00
rtc selftests: complete kselftest include centralization 2025-11-27 14:24:31 -08:00
rust
safesetid
sched sched/debug: Remove CONFIG_SCHED_DEBUG from self-test config files 2025-03-19 22:23:24 +01:00
sched_ext selftests/sched_ext: Verify nohz_full tick behavior 2026-07-08 08:29:43 -10:00
seccomp selftests/seccomp: Add hard-coded __NR_uprobe for x86_64 2026-04-03 08:41:38 -07:00
sgx selftests: complete kselftest include centralization 2025-11-27 14:24:31 -08:00
signal selftests: complete kselftest include centralization 2025-11-27 14:24:31 -08:00
size
sparc64 selftests: fix ARCH normalization to handle command-line argument 2026-03-27 21:19:44 -07:00
splice
static_keys
sync selftests: complete kselftest include centralization 2025-11-27 14:24:31 -08:00
syscall_user_dispatch selftests: complete kselftest include centralization 2025-11-27 14:24:31 -08:00
sysctl sysctl: Nixify sysctl.sh 2025-07-23 11:56:02 +02:00
tc-testing selftests/tc-testing: Add tests that force multiq and taprio to enqueue to child's gso_skb 2026-07-06 12:11:58 +02:00
tdx selftests: complete kselftest include centralization 2025-11-27 14:24:31 -08:00
thermal/intel selftests: fix ARCH normalization to handle command-line argument 2026-03-27 21:19:44 -07:00
timens selftests: complete kselftest include centralization 2025-11-27 14:24:31 -08:00
timers selftests/posix_timers: Use CLOCK_THREAD_CPUTIME_ID for ITIMER_PROF measurements 2026-05-06 08:33:08 +02:00
tmpfs selftests: complete kselftest include centralization 2025-11-27 14:24:31 -08:00
tpm2 selftests: tpm2: Fix ill defined assertions 2025-12-03 22:55:27 +02:00
tty TTY/Serial changes for 6.19-rc1 2025-12-06 18:38:19 -08:00
turbostat
ublk selftests: ublk: cap nthreads to kernel's actual nr_hw_queues 2026-05-13 07:55:39 -06:00
uevent selftests/uevent: increase __UEVENT_BUFFER_SIZE to avoid ENOBUFS on busy systems 2026-06-17 15:37:46 -07:00
user_events selftests/user_events: Wait for deferred event teardown after unregister 2026-07-08 09:33:22 -04:00
vDSO selftests: vDSO: vdso_test_correctness: Add a test for time() 2026-03-11 15:23:24 +01:00
verification selftests/verification: Add initial RV tests 2025-11-11 13:18:55 +01:00
vfio vfio: selftests: Add luuid to libvfio.mk's list of libraries, not to the Makefile 2026-06-30 15:50:55 -06:00
vsock selftests/vsock: skip vng setsid workaround on >= 1.41 2026-06-15 12:52:01 -07:00
watchdog selftests: watchdog: skip ping loop if WDIOF_KEEPALIVEPING not supported 2025-09-16 16:55:04 -06:00
wireguard watchdog: softlockup: panic when lockup duration exceeds N thresholds 2026-01-20 19:44:20 -08:00
x86 selftests/x86: Add shadow stack uprobe CALL test 2026-07-02 13:21:49 +02:00
zram mm: remove unused zpool layer 2025-09-21 14:21:59 -07:00
.gitignore selftests: tpm2: create a dedicated .gitignore 2025-04-08 14:56:13 -06:00
gen_kselftest_tar.sh
kselftest_deps.sh
kselftest_harness.h selftests: harness: fix pidfd leak in __wait_for_test 2026-05-21 13:44:15 +02:00
kselftest_install.sh
kselftest_module.h
kselftest.h linux_kselftest-next-7.2-rc1 2026-06-16 16:49:07 +05:30
lib.mk selftests: complete kselftest include centralization 2025-11-27 14:24:31 -08:00
Makefile vfs-7.2-rc1.misc 2026-06-15 03:59:45 +05:30
run_kselftest.sh selftests/run_kselftest.sh: Allow choosing per-test log directory 2026-04-13 11:05:39 -06:00