189 lines
9.8 KiB
JSON
189 lines
9.8 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-2023-54293",
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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": "2025-12-30T12:06:44.527Z",
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"datePublished": "2025-12-30T12:23:31.111Z",
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"dateUpdated": "2026-05-11T19:59:09.658Z"
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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": "2026-05-11T19:59:09.658Z"
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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\nbcache: fixup btree_cache_wait list damage\n\nWe get a kernel crash about \"list_add corruption. next->prev should be\nprev (ffff9c801bc01210), but was ffff9c77b688237c.\n(next=ffffae586d8afe68).\"\n\ncrash> struct list_head 0xffff9c801bc01210\nstruct list_head {\n next = 0xffffae586d8afe68,\n prev = 0xffffae586d8afe68\n}\ncrash> struct list_head 0xffff9c77b688237c\nstruct list_head {\n next = 0x0,\n prev = 0x0\n}\ncrash> struct list_head 0xffffae586d8afe68\nstruct list_head struct: invalid kernel virtual address: ffffae586d8afe68 type: \"gdb_readmem_callback\"\nCannot access memory at address 0xffffae586d8afe68\n\n[230469.019492] Call Trace:\n[230469.032041] prepare_to_wait+0x8a/0xb0\n[230469.044363] ? bch_btree_keys_free+0x6c/0xc0 [escache]\n[230469.056533] mca_cannibalize_lock+0x72/0x90 [escache]\n[230469.068788] mca_alloc+0x2ae/0x450 [escache]\n[230469.080790] bch_btree_node_get+0x136/0x2d0 [escache]\n[230469.092681] bch_btree_check_thread+0x1e1/0x260 [escache]\n[230469.104382] ? finish_wait+0x80/0x80\n[230469.115884] ? bch_btree_check_recurse+0x1a0/0x1a0 [escache]\n[230469.127259] kthread+0x112/0x130\n[230469.138448] ? kthread_flush_work_fn+0x10/0x10\n[230469.149477] ret_from_fork+0x35/0x40\n\nbch_btree_check_thread() and bch_dirty_init_thread() may call\nmca_cannibalize() to cannibalize other cached btree nodes. Only one thread\ncan do it at a time, so the op of other threads will be added to the\nbtree_cache_wait list.\n\nWe must call finish_wait() to remove op from btree_cache_wait before free\nit's memory address. Otherwise, the list will be damaged. Also should call\nbch_cannibalize_unlock() to release the btree_cache_alloc_lock and wake_up\nother waiters."
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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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"drivers/md/bcache/btree.c",
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"drivers/md/bcache/btree.h",
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"drivers/md/bcache/writeback.c"
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],
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"versions": [
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{
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"version": "8e7102273f597dbb38af43da874f8c123f8e6dbe",
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"lessThan": "bcb295778afda4f2feb0d3c0289a53fd43d5a3a6",
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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": "8e7102273f597dbb38af43da874f8c123f8e6dbe",
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"lessThan": "cbdd5b3322f7bbe6454c97cac994757f1192c07b",
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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": "8e7102273f597dbb38af43da874f8c123f8e6dbe",
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"lessThan": "25ec4779d0fb3ed9cac1e4d9e0e4261b4a12f6ed",
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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": "8e7102273f597dbb38af43da874f8c123f8e6dbe",
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"lessThan": "2882a4c4f0c90e99f37dbd8db369b9982fd613e7",
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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": "8e7102273f597dbb38af43da874f8c123f8e6dbe",
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"lessThan": "f0854489fc07d2456f7cc71a63f4faf9c716ffbe",
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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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"drivers/md/bcache/btree.c",
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"drivers/md/bcache/btree.h",
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"drivers/md/bcache/writeback.c"
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],
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"versions": [
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{
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"version": "5.7",
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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": "5.7",
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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": "5.10.188",
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"lessThanOrEqual": "5.10.*",
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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": "5.15.121",
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"lessThanOrEqual": "5.15.*",
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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": "6.1.39",
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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": "6.4.4",
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"lessThanOrEqual": "6.4.*",
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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": "6.5",
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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": "5.7",
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"versionEndExcluding": "5.10.188"
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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": "5.7",
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"versionEndExcluding": "5.15.121"
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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": "5.7",
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"versionEndExcluding": "6.1.39"
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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": "5.7",
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"versionEndExcluding": "6.4.4"
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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": "5.7",
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"versionEndExcluding": "6.5"
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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/bcb295778afda4f2feb0d3c0289a53fd43d5a3a6"
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},
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{
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"url": "https://git.kernel.org/stable/c/cbdd5b3322f7bbe6454c97cac994757f1192c07b"
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},
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{
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"url": "https://git.kernel.org/stable/c/25ec4779d0fb3ed9cac1e4d9e0e4261b4a12f6ed"
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},
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{
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"url": "https://git.kernel.org/stable/c/2882a4c4f0c90e99f37dbd8db369b9982fd613e7"
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},
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{
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"url": "https://git.kernel.org/stable/c/f0854489fc07d2456f7cc71a63f4faf9c716ffbe"
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}
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],
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"title": "bcache: fixup btree_cache_wait list damage",
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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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} |