ALSA: aloop: Fix racy access at PCM trigger

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "sound/drivers/aloop.c"
                    ],
                    "versions": [
                        {
                            "version": "b1c73fc8e697eb73e23603e465e9af2711ed4183",
                            "lessThan": "f57467114f40c5aacebbea96fb4ff9e5cd2b7f18",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "b1c73fc8e697eb73e23603e465e9af2711ed4183",
                            "lessThan": "c99be0d5af02adebe9cb6f9869d20397fa9935a3",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "b1c73fc8e697eb73e23603e465e9af2711ed4183",
                            "lessThan": "f3ce8be893726899e3053cf8059ecc95d8410359",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "b1c73fc8e697eb73e23603e465e9af2711ed4183",
                            "lessThan": "0e6245b2424d126ac90018142d09f0707e12998b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "b1c73fc8e697eb73e23603e465e9af2711ed4183",
                            "lessThan": "bad15420050db1803767e58756114800cce91ea4",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "b1c73fc8e697eb73e23603e465e9af2711ed4183",
                            "lessThan": "5727ccf9d19ca414cb76d9b647883822e2789c2e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "b1c73fc8e697eb73e23603e465e9af2711ed4183",
                            "lessThan": "826af7fa62e347464b1b4e0ba2fe19a92438084f",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                }

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "sound/drivers/aloop.c"
                    ],
                    "versions": [
                        {
                            "version": "2.6.37",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "2.6.37",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.270",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.221",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.188",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.157",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.70",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.10",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.19",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }