Create an eventfd object with EFD_CLOEXEC flag, to avoid leaking file descriptor to child processes
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The file descriptor `irq_notify_fd` does not have the close-on-exec (`FD_CLOEXEC`) flag so it possibly leaks to child processes. This adds an `EFD_CLOEXEC` flag to the second argument of the `exentfd(2)` call, which tells it to set an `FD_CLOEXEC` flag on the new file descriptor. Signed-off-by: Kenta Sato <tosainu.maple@gmail.com>
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Hello. Thanks for your comments. I fixed failed compliance checks. |
edmooring
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May 6, 2022
arnopo
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May 6, 2022
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The file descriptor
irq_notify_fddoes not have the close-on-exec (FD_CLOEXEC) flag so it possibly leaks to child processes.This pull request adds an
EFD_CLOEXECflag to the second argument of theexentfd(2)call, which tells it to set anFD_CLOEXECflag on the new file descriptor.