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authorAndrii Nakryiko2020-12-04 15:20:01 -0800
committerDaniel Borkmann2020-12-08 16:45:20 +0100
commit932c60558109a9131e54dacfda6070147fd1cdfb (patch)
tree24ed6d809f01b4212f5e4525b307a3902a29b1b2 /lib
parente3366884b383073a7edc1bad9634412ae0a22d4e (diff)
tools/bpftool: Fix PID fetching with a lot of results
In case of having so many PID results that they don't fit into a singe page (4096) bytes, bpftool will erroneously conclude that it got corrupted data due to 4096 not being a multiple of struct pid_iter_entry, so the last entry will be partially truncated. Fix this by sizing the buffer to fit exactly N entries with no truncation in the middle of record. Fixes: d53dee3fe013 ("tools/bpftool: Show info for processes holding BPF map/prog/link/btf FDs") Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Yonghong Song <yhs@fb.com> Link: https://lore.kernel.org/bpf/20201204232002.3589803-1-andrii@kernel.org
Diffstat (limited to 'lib')
0 files changed, 0 insertions, 0 deletions