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author | Kevin Krakauer <krakauer@google.com> | 2019-11-14 15:55:07 -0800 |
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committer | gVisor bot <gvisor-bot@google.com> | 2019-11-14 16:08:34 -0800 |
commit | 339536de5eefe782813aabae4aeeb312b3c4dde7 (patch) | |
tree | 65a862e9b16cc15d7edd249444c2c355a2bb16db /pkg/sentry/fs/tty/slave.go | |
parent | 1e1f5ce08210af6211bcb1c8da293a63a79165fe (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
Diffstat (limited to 'pkg/sentry/fs/tty/slave.go')
-rw-r--r-- | pkg/sentry/fs/tty/slave.go | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/pkg/sentry/fs/tty/slave.go b/pkg/sentry/fs/tty/slave.go index 944c4ada1..4cbea0367 100644 --- a/pkg/sentry/fs/tty/slave.go +++ b/pkg/sentry/fs/tty/slave.go @@ -31,6 +31,7 @@ import ( // +stateify savable type slaveInodeOperations struct { fsutil.SimpleFileInode + fsutil.InodeNoopTruncate // d is the containing dir. d *dirInodeOperations |