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author | Yang Jihong <yangjihong1@huawei.com> | 2022-11-29 19:30:09 +0800 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-01-18 11:30:43 +0100 |
commit | 44768fae416ca3739f04ba1c8e41021541cbdc85 (patch) | |
tree | e27ac1cf0df9a7f34329e44954b35c90db891a5d /net/bpf/Makefile | |
parent | c720282a255683d7f344b7f5b7958dfae67723c0 (diff) | |
download | linux-stable-44768fae416ca3739f04ba1c8e41021541cbdc85.tar.gz linux-stable-44768fae416ca3739f04ba1c8e41021541cbdc85.tar.bz2 linux-stable-44768fae416ca3739f04ba1c8e41021541cbdc85.zip |
tracing: Fix infinite loop in tracing_read_pipe on overflowed print_trace_line
commit c1ac03af6ed45d05786c219d102f37eb44880f28 upstream.
print_trace_line may overflow seq_file buffer. If the event is not
consumed, the while loop keeps peeking this event, causing a infinite loop.
Link: https://lkml.kernel.org/r/20221129113009.182425-1-yangjihong1@huawei.com
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: stable@vger.kernel.org
Fixes: 088b1e427dbba ("ftrace: pipe fixes")
Signed-off-by: Yang Jihong <yangjihong1@huawei.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/bpf/Makefile')
0 files changed, 0 insertions, 0 deletions