206 lines
9.7 KiB
JSON
206 lines
9.7 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-74391",
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"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"state": "PUBLISHED",
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"assignerShortName": "Linux",
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"dateReserved": "2026-08-15T05:44:03.891Z",
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"datePublished": "2026-08-15T05:59:05.127Z",
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"dateUpdated": "2026-10-30T12:29:55.331Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"shortName": "Linux",
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"dateUpdated": "2026-10-30T12:29:55.331Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntracing: Bound synthetic-field strings with seq_buf\n\nThe synthetic field helpers build a prefixed synthetic variable name and\na generated hist command in fixed MAX_FILTER_STR_VAL buffers. The\ncurrent code appends those strings with raw strcat(), so long key lists,\nfield names, or saved filters can run past the end of the staging\nbuffers.\n\nBuild both strings with seq_buf and propagate -E2BIG if either the\nsynthetic variable name or the generated command exceeds\nMAX_FILTER_STR_VAL. This keeps the existing tracing-side limit while\nusing the helper intended for bounded command construction.\n\n[ sdr: Moved struct seq_buf *s for upside-down x-mas tree formatting ]"
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}
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],
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"affected": [
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "unaffected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"kernel/trace/trace_events_hist.c"
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],
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"versions": [
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{
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"version": "02205a6752f223779a1b0e9e8ffacbea6e717851",
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"lessThan": "9f8ef2e1e95a42044e614b0a5277e3f53f545135",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "02205a6752f223779a1b0e9e8ffacbea6e717851",
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"lessThan": "0c584c27f6649a93ec12061cc779a4bd8f7c1434",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "02205a6752f223779a1b0e9e8ffacbea6e717851",
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"lessThan": "88b901fdc1662b131ff908cbd017333b61e7acc8",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "02205a6752f223779a1b0e9e8ffacbea6e717851",
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"lessThan": "baa333b2700a7fa3529d504529c8c10060fd687c",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "02205a6752f223779a1b0e9e8ffacbea6e717851",
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"lessThan": "cf334620036ad2250e008c7e7bb6646a3938b7b0",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "02205a6752f223779a1b0e9e8ffacbea6e717851",
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"lessThan": "f07883450eb14d1cf020b55d9f3a7ec5683bcd26",
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"status": "affected",
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"versionType": "git"
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}
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]
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},
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "affected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"kernel/trace/trace_events_hist.c"
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],
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"versions": [
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{
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"version": "4.17",
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"status": "affected"
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},
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{
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"version": "0",
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"lessThan": "4.17",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.1.191",
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"lessThanOrEqual": "6.1.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.6.145",
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"lessThanOrEqual": "6.6.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.12.97",
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"lessThanOrEqual": "6.12.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.18.40",
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"lessThanOrEqual": "6.18.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "7.1.5",
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"lessThanOrEqual": "7.1.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "7.2",
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"lessThanOrEqual": "*",
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
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}
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]
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}
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],
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"cpeApplicability": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "4.17",
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"versionEndExcluding": "6.1.191"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "4.17",
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"versionEndExcluding": "6.6.145"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "4.17",
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"versionEndExcluding": "6.12.97"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "4.17",
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"versionEndExcluding": "6.18.40"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "4.17",
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"versionEndExcluding": "7.1.5"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "4.17",
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"versionEndExcluding": "7.2"
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}
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]
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}
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]
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}
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],
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/9f8ef2e1e95a42044e614b0a5277e3f53f545135"
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},
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{
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"url": "https://git.kernel.org/stable/c/0c584c27f6649a93ec12061cc779a4bd8f7c1434"
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},
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{
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"url": "https://git.kernel.org/stable/c/88b901fdc1662b131ff908cbd017333b61e7acc8"
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},
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{
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"url": "https://git.kernel.org/stable/c/baa333b2700a7fa3529d504529c8c10060fd687c"
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},
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{
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"url": "https://git.kernel.org/stable/c/cf334620036ad2250e008c7e7bb6646a3938b7b0"
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},
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{
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"url": "https://git.kernel.org/stable/c/f07883450eb14d1cf020b55d9f3a7ec5683bcd26"
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}
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],
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"title": "tracing: Bound synthetic-field strings with seq_buf",
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"x_generator": {
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"engine": "bippy-1.2.0"
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}
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}
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}
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} |