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authorTavian Barnes <tavianator@tavianator.com>2023-10-12 15:50:59 -0400
committerTavian Barnes <tavianator@tavianator.com>2023-10-12 15:50:59 -0400
commitd64a32e03b4d9a1336ebfa66d7d08d96e9847a6a (patch)
tree9ff9c5a4831e2cdb37cb9771dc9fb254216b7042 /src/alloc.h
parent773f4a446f03da62d88e6d17be49fdc0a3e38465 (diff)
downloadbfs-d64a32e03b4d9a1336ebfa66d7d08d96e9847a6a.tar.xz
bftw: Make sure we don't close a directory while we unwrap it
bftw_cache_reserve() can lead to bftw_cache_pop(), which could close the directory we're trying to unwrap! If that happened, we would try dup_cloexec(-1), which would fail with EBADF, so there was no observable bug. But it's better to avoid the whole situation.
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