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Uinitialized pointers with __free attribute can cause undefined behavior as the memory randomly assigned to the pointer is freed automatically when the pointer goes out of scope. add check in checkpatch to detect such issues. Link: https://lkml.kernel.org/r/20251203-aheev-checkpatch-uninitialized-free-v7-1-841e3b31d8f3@gmail.com Signed-off-by: Ally Heev <allyheev@gmail.com> Suggested-by: Dan Carpenter <dan.carpenter@linaro.org> Link: https://lore.kernel.org/all/8a4c0b43-cf63-400d-b33d-d9c447b7e0b9@suswa.mountain/ Link: https://lore.kernel.org/all/58fd478f408a34b578ee8d949c5c4b4da4d4f41d.camel@HansenPartnership.com/ Acked-by: Dan Williams <dan.j.williams@intel.com> Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org> Acked-by: Joe Perches <joe@perches.com> Cc: Andy Whitcroft <apw@canonical.com> Cc: David Hunter <david.hunter.linux@gmail.com> Cc: Dwaipayan Ray <dwaipayanray1@gmail.com> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: James Bottomley <james.bottomley@HansenPartnership.com> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Lukas Bulwahn <lukas.bulwahn@gmail.com> Cc: Menon, Nishanth <nm@ti.com> Cc: Stephen Boyd <sboyd@kernel.org> Cc: Viresh Kumar <vireshk@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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| .. | ||
| kunit | ||
| lkmm | ||
| autofdo.rst | ||
| checkpatch.rst | ||
| checkuapi.rst | ||
| clang-format.rst | ||
| coccinelle.rst | ||
| gcov.rst | ||
| gpio-sloppy-logic-analyzer.rst | ||
| index.rst | ||
| kasan.rst | ||
| kcov.rst | ||
| kcsan.rst | ||
| kfence.rst | ||
| kmemleak.rst | ||
| kmsan.rst | ||
| kselftest.rst | ||
| ktap.rst | ||
| propeller.rst | ||
| sparse.rst | ||
| testing-devices.rst | ||
| testing-overview.rst | ||
| ubsan.rst | ||