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authorSteven Rostedt (Google) <[email protected]>2023-09-06 22:47:14 -0400
committerSteven Rostedt (Google) <[email protected]>2023-09-07 16:38:53 -0400
commit9b37febc578b2e1ad76a105aab11d00af5ec3d27 (patch)
treea559f696383c230765070b9999e4a67dcef7db07 /lib/test_fortify/write_overflow-strncpy-src.c
parent7d660c9b2bc95107f90a9f4c4759be85309a6550 (diff)
tracing: Have current_trace inc the trace array ref count
The current_trace updates the trace array tracer. For an instance, if the file is opened and the instance is deleted, reading or writing to the file will cause a use after free. Up the ref count of the trace array when current_trace is opened. Link: https://lkml.kernel.org/r/[email protected] Link: https://lore.kernel.org/all/[email protected]/ Cc: [email protected] Cc: Masami Hiramatsu <[email protected]> Cc: Mark Rutland <[email protected]> Cc: Andrew Morton <[email protected]> Cc: Zheng Yejian <[email protected]> Fixes: 8530dec63e7b4 ("tracing: Add tracing_check_open_get_tr()") Tested-by: Linux Kernel Functional Testing <[email protected]> Tested-by: Naresh Kamboju <[email protected]> Signed-off-by: Steven Rostedt (Google) <[email protected]>
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