Arnaldo Carvalho de Melo 21d7eb9a24 perf augmented_syscalls: Check probe_read_str() return separately ... Using a value returned from probe_read_str() to tell how many bytes to copy using perf_event_output() has issues in some older kernels, like 4.17.17-100.fc27.x86_64, so separate the bounds checking done on how many bytes to copy to a separate variable, so that the next patch has only what is being done to make the test pass on older BPF validators. For reference, see the discussion in this thread: https://www.spinics.net/lists/netdev/msg480099.html Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Daniel Borkmann <daniel@iogearbox.net> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Cc: Yonghong Song <yhs@fb.com> Link: https://lkml.kernel.org/n/tip-jtsapwibyxrnv1xjfsgzp0fj@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>		2018-09-03 15:13:33 -03:00
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5sec.c	perf bpf: Add probe() helper to reduce kprobes boilerplate	2018-05-15 14:31:24 -03:00
augmented_syscalls.c	perf augmented_syscalls: Check probe_read_str() return separately	2018-09-03 15:13:33 -03:00
empty.c	perf bpf: Add license(NAME) helper	2018-05-15 14:31:24 -03:00
etcsnoop.c	perf trace: Add a etcsnoop.c augmented syscalls eBPF utility	2018-08-30 15:52:19 -03:00
hello.c	perf bpf: Add bpf/stdio.h wrapper to bpf_perf_event_output function	2018-08-08 15:55:55 -03:00
sys_enter_openat.c	perf bpf: Add 'syscall_enter' probe helper for syscall enter tracepoints	2018-08-08 15:55:44 -03:00