tracing/uprobes: Check the return value of kstrdup() for tu->filename

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kstrdup() returns NULL when some internal memory errors happen, it is
better to check the return value of it so to catch the memory error in
time.

Link: https://lkml.kernel.org/r/tencent_3C2E330722056D7891D2C83F29C802734B06@qq.com

Acked-by: Masami Hiramatsu <mhiramat@kernel.org>
Fixes: 33ea4b2427 ("perf/core: Implement the 'perf_uprobe' PMU")
Signed-off-by: Xiaoke Wang <xkernel.wang@foxmail.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

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Xiaoke Wang 2021-12-14 09:28:02 +08:00 • committed by Steven Rostedt

parent 289e7b0f7e

commit 8c72242455

1 changed files with 5 additions and 0 deletions

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kernel/trace/trace_uprobe.c

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