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authorKevin Krakauer <krakauer@google.com>2019-11-14 15:55:07 -0800
committergVisor bot <gvisor-bot@google.com>2019-11-14 16:08:34 -0800
commit339536de5eefe782813aabae4aeeb312b3c4dde7 (patch)
tree65a862e9b16cc15d7edd249444c2c355a2bb16db /tools/image_build.sh
parent1e1f5ce08210af6211bcb1c8da293a63a79165fe (diff)
Check that a file is a regular file with open(O_TRUNC).
It was possible to panic the sentry by opening a cache revalidating folder with O_TRUNC|O_CREAT. Avoids breaking php tests. PiperOrigin-RevId: 280533213
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