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9b85c2d450
android_kernel_samsung_sm8650/tools/bpf/bpftool
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Quentin Monnet 9b85c2d450 tools: bpftool: fix crash on bad parameters with JSON 
If bad or unrecognised parameters are specified after JSON output is
requested, `usage()` will try to output null JSON object before the
writer is created.

To prevent this, create the writer as soon as the `--json` option is
parsed.

Fixes: 004b45c0e5 ("tools: bpftool: provide JSON output for all possible commands")
Reported-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Quentin Monnet <quentin.monnet@netronome.com>
Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2017-11-30 02:09:29 +01:00
..
bash-completion tools: bpftool: add bash completion for bpftool 2017-10-29 18:37:33 +09:00
Documentation tools: bpftool: optionally show filenames of pinned objects 2017-11-11 12:35:41 +09:00
common.c tools: bpftool: show filenames of pinned objects 2017-11-11 12:35:41 +09:00
jit_disasm.c tools: bpf: handle long path in jit disasm 2017-11-02 20:25:27 +09:00
json_writer.c tools: bpftool: add JSON output for bpftool prog dump xlated * command 2017-10-24 01:25:08 +01:00
json_writer.h tools: bpftool: add JSON output for bpftool prog dump xlated * command 2017-10-24 01:25:08 +01:00
main.c tools: bpftool: fix crash on bad parameters with JSON 2017-11-30 02:09:29 +01:00
main.h tools: bpftool: optionally show filenames of pinned objects 2017-11-11 12:35:41 +09:00
Makefile tools: bpftool: add bash completion for bpftool 2017-10-29 18:37:33 +09:00
map.c tools: bpftool: optionally show filenames of pinned objects 2017-11-11 12:35:41 +09:00
prog.c bpftool: revert printing program device bound info 2017-11-21 00:37:35 +01:00