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The macro get_unused_fd() is used to allocate a file descriptor with default flags. Those default flags (0) can be "unsafe": O_CLOEXEC must be used by default to not leak file descriptor across exec(). Replace calls to get_unused_fd() in uverbs with calls to get_unused_fd_flags(O_CLOEXEC). Inheriting uverbs fds across exec() cannot be used to do anything useful. Based on a patch/suggestion from Yann Droneaud <ydroneaud@opteya.com>. Signed-off-by: Roland Dreier <roland@purestorage.com> |
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| hw | ||
| ulp | ||
| Kconfig | ||
| Makefile | ||