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kernel_arpi/tools/testing/selftests/bpf/prog_tests
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Daniel Xu c8a36aedf3 selftest/bpf: Test bpf_probe_read_user_str() strips trailing bytes after NUL 
Previously, bpf_probe_read_user_str() could potentially overcopy the
trailing bytes after the NUL due to how do_strncpy_from_user() does the
copy in long-sized strides. The issue has been fixed in the previous
commit.

This commit adds a selftest that ensures we don't regress
bpf_probe_read_user_str() again.

Signed-off-by: Daniel Xu <dxu@dxuuu.xyz>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Song Liu <songliubraving@fb.com>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/4d977508fab4ec5b7b574b85bdf8b398868b6ee9.1605642949.git.dxu@dxuuu.xyz
2020-11-19 11:58:15 -08:00
..
.gitignore
…
align.c
bpf: Propagate scalar ranges through register assignments.
2020-10-09 22:03:06 +02:00
attach_probe.c
…
autoload.c
selftests/bpf: Test auto-load disabling logic for BPF programs
2020-06-28 10:06:53 -07:00
bpf_iter.c
selftests/bpf_iter: Don't fail test due to missing __builtin_btf_type_id
2020-09-29 11:18:19 -07:00
bpf_obj_id.c
selftest/bpf: Fix compilation warnings in 32-bit mode
2020-08-13 16:45:41 -07:00
bpf_tcp_ca.c
…
bpf_verif_scale.c
selftests/bpf: Add subprogs to pyperf, strobemeta, and l4lb_noinline tests
2020-09-03 17:14:40 -07:00
btf_dump.c
selftests/bpf: Test "incremental" btf_dump in C format
2020-09-30 12:30:46 -07:00
btf_endian.c
selftests/bpf: Test BTF's handling of endianness
2020-09-29 12:21:23 -07:00
btf_map_in_map.c
bpf, selftests: Add test for different array inner map size
2020-10-11 10:21:04 -07:00
btf_skc_cls_ingress.c
selftests: Make sure all 'skel' variables are declared static
2020-09-29 11:43:43 -07:00
btf_write.c
selftests/bpf: Move and extend ASSERT_xxx() testing macros
2020-09-29 12:21:23 -07:00
btf.c
selftests/bpf: Merge most of test_btf into test_progs
2020-09-15 18:37:33 -07:00
cg_storage_multi.c
selftests/bpf: Don't destroy failed link
2020-07-31 00:43:49 +02:00
cgroup_attach_autodetach.c
…
cgroup_attach_multi.c
bpf: cgroup: Allow multi-attach program to replace itself
2020-06-09 11:21:43 -07:00
cgroup_attach_override.c
…
cgroup_link.c
selftests/bpf: Add link detach tests for cgroup, netns, and xdp bpf_links
2020-08-01 20:38:28 -07:00
cgroup_skb_sk_lookup.c
bpf: selftests: A few improvements to network_helpers.c
2020-07-02 16:09:01 +02:00
cls_redirect.c
selftests/bpf: Add __noinline variant of cls_redirect selftest
2020-09-03 17:14:40 -07:00
connect_force_port.c
bpf: selftests: A few improvements to network_helpers.c
2020-07-02 16:09:01 +02:00
core_autosize.c
selftests/bpf: Validate libbpf's auto-sizing of LD/ST/STX instructions
2020-10-07 18:50:27 -07:00
core_extern.c
selftest/bpf: Fix compilation warnings in 32-bit mode
2020-08-13 16:45:41 -07:00
core_reloc.c
selftests/bpf: Add tests for ENUMVAL_EXISTS/ENUMVAL_VALUE relocations
2020-08-19 14:19:39 -07:00
core_retro.c
selftests/bpf: Fix spurious test failures in core_retro selftest
2020-08-01 23:10:42 -07:00
cpu_mask.c
…
d_path.c
selftests/bpf: Fix stat probe in d_path test
2020-09-21 16:18:00 -07:00
enable_stats.c
bpf: Add selftest for BPF_ENABLE_STATS
2020-05-01 10:36:32 -07:00
endian.c
selftests/bpf: Add byte swapping selftest
2020-07-01 09:06:12 +02:00
fentry_fexit.c
bpf: Add tests for PTR_TO_BTF_ID vs. null comparison
2020-06-30 22:21:29 +02:00
fentry_test.c
…
fexit_bpf2bpf.c
selftests: Add selftest for disallowing modify_return attachment to freplace
2020-09-29 13:09:24 -07:00
fexit_stress.c
…
fexit_test.c
…
flow_dissector_load_bytes.c
selftests/bpf: Move existing common networking parts into network_helpers
2020-05-09 00:48:20 +02:00
flow_dissector_reattach.c
selftests: bpf: Pass program and target_fd in flow_dissector_reattach
2020-06-30 10:46:39 -07:00
flow_dissector.c
selftest/bpf: Fix compilation warnings in 32-bit mode
2020-08-13 16:45:41 -07:00
get_stack_raw_tp.c
bpf: Test_progs, add test to catch retval refine error handling
2020-03-30 15:00:30 -07:00
get_stackid_cannot_attach.c
selftests/bpf: Add get_stackid_cannot_attach
2020-07-25 20:16:35 -07:00
global_data_init.c
selftests/bpf: Fix check in global_data_init.
2020-09-03 17:33:31 -07:00
global_data.c
selftest/bpf: Fix compilation warnings in 32-bit mode
2020-08-13 16:45:41 -07:00
hashmap.c
selftests/bpf: Convert test_hashmap into test_progs test
2020-04-28 19:48:05 -07:00
kfree_skb.c
selftests/bpf: Move existing common networking parts into network_helpers
2020-05-09 00:48:20 +02:00
ksyms_btf.c
bpf: selftest: Ensure the return value of the bpf_per_cpu_ptr() must be checked
2020-10-19 15:57:42 -07:00
ksyms.c
selftests/bpf: Ksyms_btf to test typed ksyms
2020-10-02 14:59:25 -07:00
l4lb_all.c
selftests/bpf: Add subprogs to pyperf, strobemeta, and l4lb_noinline tests
2020-09-03 17:14:40 -07:00
link_pinning.c
…
load_bytes_relative.c
bpf: selftests: A few improvements to network_helpers.c
2020-07-02 16:09:01 +02:00
map_init.c
bpf: Zero-fill re-used per-cpu map element
2020-11-05 19:55:57 -08:00
map_lock.c
selftests/bpf: Move existing common networking parts into network_helpers
2020-05-09 00:48:20 +02:00
map_ptr.c
selftests/bpf: Test access to bpf map pointer
2020-06-22 22:22:59 +02:00
metadata.c
selftests/bpf: Test load and dump metadata with btftool and skel
2020-09-15 18:28:27 -07:00
mmap.c
selftests/bpf: Fix segmentation fault in test_progs
2020-08-11 15:36:45 +02:00
modify_return.c
…
ns_current_pid_tgid.c
selftests/bpf: Fix bpf_link leak in ns_current_pid_tgid selftest
2020-04-28 19:48:05 -07:00
obj_name.c
…
pe_preserve_elems.c
selftests/bpf: Add tests for BPF_F_PRESERVE_ELEMS
2020-09-30 23:21:06 -07:00
perf_branches.c
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perf_buffer.c
libbpf: Add perf_buffer APIs for better integration with outside epoll loop
2020-08-21 14:26:55 -07:00
perf_event_stackmap.c
selftests/bpf: Add callchain_stackid
2020-07-25 20:16:35 -07:00
pinning.c
selftest/bpf: Test pinning map with reused map fd
2020-10-06 11:10:20 -07:00
pkt_access.c
selftests/bpf: Move existing common networking parts into network_helpers
2020-05-09 00:48:20 +02:00
pkt_md_access.c
selftests/bpf: Move existing common networking parts into network_helpers
2020-05-09 00:48:20 +02:00
probe_read_user_str.c
selftest/bpf: Test bpf_probe_read_user_str() strips trailing bytes after NUL
2020-11-19 11:58:15 -08:00
probe_user.c
…
prog_run_xattr.c
selftest/bpf: Fix compilation warnings in 32-bit mode
2020-08-13 16:45:41 -07:00
queue_stack_map.c
selftests/bpf: Move existing common networking parts into network_helpers
2020-05-09 00:48:20 +02:00
raw_tp_test_run.c
selftests/bpf: Add raw_tp_test_run
2020-09-28 21:52:36 +02:00
raw_tp_writable_reject_nbd_invalid.c
…
raw_tp_writable_test_run.c
…
rdonly_maps.c
…
reference_tracking.c
selftests/bpf: Don't use deprecated libbpf APIs
2020-09-03 17:14:40 -07:00
resolve_btfids.c
selftests/bpf: Fix alignment of .BTF_ids
2020-09-30 18:11:40 -07:00
ringbuf_multi.c
selftests/bpf: Add BPF ringbuf selftests
2020-06-01 14:38:22 -07:00
ringbuf.c
selftests/bpf: Fix ringbuf selftest sample counting undeterminism
2020-06-08 16:00:42 +02:00
section_names.c
libbpf: Add support for BPF XDP link
2020-07-25 20:37:02 -07:00
select_reuseport.c
…
send_signal_sched_switch.c
…
send_signal.c
bpf: Fix compilation warning of selftests
2020-08-06 16:58:42 -07:00
signal_pending.c
selftests/bpf: Move existing common networking parts into network_helpers
2020-05-09 00:48:20 +02:00
sk_assign.c
selftests/bpf: Fix endianness issue in sk_assign
2020-09-18 22:54:52 +02:00
sk_lookup.c
selftests/bpf: Fix v4_to_v6 in sk_lookup
2020-08-11 15:36:51 +02:00
skb_ctx.c
selftest/bpf: Fix compilation warnings in 32-bit mode
2020-08-13 16:45:41 -07:00
skb_helpers.c
bpf, selftests: Test probe_* helpers from SCHED_CLS
2020-06-01 14:38:21 -07:00
skeleton.c
tools/bpftool: Strip away modifiers from global variables
2020-07-13 17:07:43 -07:00
snprintf_btf.c
bpf, selftests: Fix warning in snprintf_btf where system() call unchecked
2020-09-29 13:21:23 -07:00
sock_fields.c
selftests: Make sure all 'skel' variables are declared static
2020-09-29 11:43:43 -07:00
sockmap_basic.c
selftests/bpf: Properly initialize linfo in sockmap_basic
2020-10-02 16:47:32 +02:00
sockmap_ktls.c
…
sockmap_listen.c
…
sockopt_inherit.c
selftests/bpf: Fix possible hang in sockopt_inherit
2020-07-16 20:57:09 +02:00
sockopt_multi.c
selftests/bpf: Fix error return code in run_getsockopt_test()
2020-11-16 22:19:07 +01:00
sockopt_sk.c
selftests/bpf: Fix endianness issue in test_sockopt_sk
2020-09-19 01:01:18 +02:00
sockopt.c
…
spinlock.c
selftests/bpf: Move existing common networking parts into network_helpers
2020-05-09 00:48:20 +02:00
stacktrace_build_id_nmi.c
bpf: Fix compilation warning of selftests
2020-08-06 16:58:42 -07:00
stacktrace_build_id.c
…
stacktrace_map_raw_tp.c
…
stacktrace_map.c
…
subprogs.c
libbpf: Don't attempt to load unused subprog as an entry-point BPF program
2020-11-09 22:15:23 +01:00
tailcalls.c
selftests/bpf: Add tailcall_bpf2bpf tests
2020-09-17 19:56:07 -07:00
task_fd_query_rawtp.c
…
task_fd_query_tp.c
…
tcp_estats.c
…
tcp_hdr_options.c
bpf, selftest: Fix flaky tcp_hdr_options test when adding addr to lo
2020-10-15 20:53:15 +02:00
tcp_rtt.c
bpf: selftests: A few improvements to network_helpers.c
2020-07-02 16:09:01 +02:00
test_bpffs.c
selftests/bpf: Add bpffs preload test.
2020-08-20 16:02:36 +02:00
test_global_funcs.c
bpf: Relax return code check for subprograms
2020-11-14 08:17:27 -08:00
test_local_storage.c
bpf: Add selftests for local_storage
2020-08-25 15:00:04 -07:00
test_lsm.c
selftests/bpf: Add sleepable tests
2020-08-28 21:20:33 +02:00
test_overhead.c
selftests: Remove fmod_ret from test_overhead
2020-09-28 17:20:28 -07:00
test_profiler.c
selftests/bpf: Add profiler test
2020-10-09 22:03:06 +02:00
tp_attach_query.c
…
trace_ext.c
selftests/bpf: Adding test for arg dereference in extension trace
2020-09-29 13:09:24 -07:00
trace_printk.c
selftests/bpf: Add selftests verifying bpf_trace_printk() behaviour
2020-07-13 16:55:49 -07:00
trampoline_count.c
…
udp_limit.c
selftests/bpf: Test BPF_CGROUP_INET_SOCK_RELEASE
2020-07-08 01:07:36 +02:00
varlen.c
selftests/bpf: Make test_varlen work with 32-bit user-space arch
2020-08-13 16:45:41 -07:00
vmlinux.c
…
xdp_adjust_tail.c
selftests/bpf: Xdp_adjust_tail add grow tail tests
2020-05-14 21:21:57 -07:00
xdp_attach.c
selftests/bpf: Check for correct program attach/detach in xdp_attach test
2020-04-15 13:26:08 +02:00
xdp_bpf2bpf.c
selftests/bpf: Move existing common networking parts into network_helpers
2020-05-09 00:48:20 +02:00
xdp_cpumap_attach.c
selftest: Add tests for XDP programs in CPUMAP entries
2020-07-16 17:00:32 +02:00
xdp_devmap_attach.c
bpf: Selftests and tools use struct bpf_devmap_val from uapi
2020-06-09 11:36:19 -07:00
xdp_info.c
selftests/bpf: Add test for bpf_get_link_xdp_id
2020-04-08 01:35:24 +02:00
xdp_link.c
selftests/bpf: Add link detach tests for cgroup, netns, and xdp bpf_links
2020-08-01 20:38:28 -07:00
xdp_noinline.c
selftests/bpf: Initialize duration in xdp_noinline.c
2020-10-02 16:46:20 +02:00
xdp_perf.c
…
xdp.c
selftests/bpf: Move existing common networking parts into network_helpers
2020-05-09 00:48:20 +02:00