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Merge pull request #47080 from thaJeztah/bump_mountinfo

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vendor: github.com/moby/sys/mountinfo v0.7.1
This commit is contained in:
Sebastiaan van Stijn 2024-01-15 13:11:50 +01:00 committed by GitHub
commit 3eba4216e0
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GPG key ID: 4AEE18F83AFDEB23
4 changed files with 47 additions and 10 deletions
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2
vendor.mod
View file

@ -67,7 +67,7 @@ require (
github.com/moby/pubsub v1.0.0
github.com/moby/swarmkit/v2 v2.0.0-20230911190601-f082dd7a0cee
github.com/moby/sys/mount v0.3.3
github.com/moby/sys/mountinfo v0.6.2
github.com/moby/sys/mountinfo v0.7.1
github.com/moby/sys/sequential v0.5.0
github.com/moby/sys/signal v0.7.0
github.com/moby/sys/symlink v0.2.0

3
vendor.sum
View file

@ -919,8 +919,9 @@ github.com/moby/sys/mount v0.3.3/go.mod h1:PBaEorSNTLG5t/+4EgukEQVlAvVEc6ZjTySwK
github.com/moby/sys/mountinfo v0.1.0/go.mod h1:w2t2Avltqx8vE7gX5l+QiBKxODu2TX0+Syr3h52Tw4o=
github.com/moby/sys/mountinfo v0.1.3/go.mod h1:w2t2Avltqx8vE7gX5l+QiBKxODu2TX0+Syr3h52Tw4o=
github.com/moby/sys/mountinfo v0.4.0/go.mod h1:rEr8tzG/lsIZHBtN/JjGG+LMYx9eXgW2JI+6q0qou+A=
github.com/moby/sys/mountinfo v0.6.2 h1:BzJjoreD5BMFNmD9Rus6gdd1pLuecOFPt8wC+Vygl78=
github.com/moby/sys/mountinfo v0.6.2/go.mod h1:IJb6JQeOklcdMU9F5xQ8ZALD+CUr5VlGpwtX+VE0rpI=
github.com/moby/sys/mountinfo v0.7.1 h1:/tTvQaSJRr2FshkhXiIpux6fQ2Zvc4j7tAhMTStAG2g=
github.com/moby/sys/mountinfo v0.7.1/go.mod h1:IJb6JQeOklcdMU9F5xQ8ZALD+CUr5VlGpwtX+VE0rpI=
github.com/moby/sys/sequential v0.5.0 h1:OPvI35Lzn9K04PBbCLW0g4LcFAJgHsvXsRyewg5lXtc=
github.com/moby/sys/sequential v0.5.0/go.mod h1:tH2cOOs5V9MlPiXcQzRC+eEyab644PWKGRYaaV5ZZlo=
github.com/moby/sys/signal v0.7.0 h1:25RW3d5TnQEoKvRbEKUGay6DCQ46IxAVTT9CUMgmsSI=

50
vendor/github.com/moby/sys/mountinfo/mountinfo_linux.go generated vendored
View file

@ -5,15 +5,19 @@ import (
"fmt"
"io"
"os"
"runtime"
"strconv"
"strings"
"sync"
"golang.org/x/sys/unix"
)
// GetMountsFromReader retrieves a list of mounts from the
// reader provided, with an optional filter applied (use nil
// for no filter). This can be useful in tests or benchmarks
// that provide fake mountinfo data, or when a source other
// than /proc/self/mountinfo needs to be read from.
// than /proc/thread-self/mountinfo needs to be read from.
//
// This function is Linux-specific.
func GetMountsFromReader(r io.Reader, filter FilterFunc) ([]*Info, error) {
@ -127,8 +131,40 @@ func GetMountsFromReader(r io.Reader, filter FilterFunc) ([]*Info, error) {
return out, nil
}
func parseMountTable(filter FilterFunc) ([]*Info, error) {
f, err := os.Open("/proc/self/mountinfo")
var (
haveProcThreadSelf bool
haveProcThreadSelfOnce sync.Once
)
func parseMountTable(filter FilterFunc) (_ []*Info, err error) {
haveProcThreadSelfOnce.Do(func() {
_, err := os.Stat("/proc/thread-self/mountinfo")
haveProcThreadSelf = err == nil
})
// We need to lock ourselves to the current OS thread in order to make sure
// that the thread referenced by /proc/thread-self stays alive until we
// finish parsing the file.
runtime.LockOSThread()
defer runtime.UnlockOSThread()
var f *os.File
if haveProcThreadSelf {
f, err = os.Open("/proc/thread-self/mountinfo")
} else {
// On pre-3.17 kernels (such as CentOS 7), we don't have
// /proc/thread-self/ so we need to manually construct
// /proc/self/task/<tid>/ as a fallback.
f, err = os.Open("/proc/self/task/" + strconv.Itoa(unix.Gettid()) + "/mountinfo")
if os.IsNotExist(err) {
// If /proc/self/task/... failed, it means that our active pid
// namespace doesn't match the pid namespace of the /proc mount. In
// this case we just have to make do with /proc/self, since there
// is no other way of figuring out our tid in a parent pid
// namespace on pre-3.17 kernels.
f, err = os.Open("/proc/self/mountinfo")
}
}
if err != nil {
return nil, err
}
@ -158,10 +194,10 @@ func PidMountInfo(pid int) ([]*Info, error) {
// A few specific characters in mountinfo path entries (root and mountpoint)
// are escaped using a backslash followed by a character's ascii code in octal.
//
// space -- as \040
// tab (aka \t) -- as \011
// newline (aka \n) -- as \012
// backslash (aka \\) -- as \134
// space -- as \040
// tab (aka \t) -- as \011
// newline (aka \n) -- as \012
// backslash (aka \\) -- as \134
//
// This function converts path from mountinfo back, i.e. it unescapes the above sequences.
func unescape(path string) (string, error) {

2
vendor/modules.txt vendored
View file

@ -919,7 +919,7 @@ github.com/moby/swarmkit/v2/xnet
# github.com/moby/sys/mount v0.3.3
## explicit; go 1.16
github.com/moby/sys/mount
# github.com/moby/sys/mountinfo v0.6.2
# github.com/moby/sys/mountinfo v0.7.1
## explicit; go 1.16
github.com/moby/sys/mountinfo
# github.com/moby/sys/sequential v0.5.0