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| author | Kees Cook <[email protected]> | 2024-09-28 21:08:31 +0000 |
|---|---|---|
| committer | Kees Cook <[email protected]> | 2024-10-31 22:06:28 +0000 |
| commit | 200f091c95bbc4b8660636bd345805c45d6eced7 (patch) | |
| tree | e1b6c66ebe4ce3b94799021f0cd8f386a2b776db /tools/testing/selftests/net/lib/py/utils.py | |
| parent | Linux 6.12-rc2 (diff) | |
| download | kernel-200f091c95bbc4b8660636bd345805c45d6eced7.tar.gz kernel-200f091c95bbc4b8660636bd345805c45d6eced7.zip | |
coredump: Do not lock during 'comm' reporting
The 'comm' member will always be NUL terminated, and this is not
fast-path, so we can just perform a direct memcpy during a coredump
instead of potentially deadlocking while holding the task struct lock.
Reported-by: Vegard Nossum <[email protected]>
Closes: https://lore.kernel.org/all/[email protected]
Fixes: c114e9948c2b ("coredump: Standartize and fix logging")
Tested-by: Vegard Nossum <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Kees Cook <[email protected]>
Diffstat (limited to 'tools/testing/selftests/net/lib/py/utils.py')
0 files changed, 0 insertions, 0 deletions