{"api_version":"1","generated_at":"2026-07-09T13:24:46+00:00","cve":"CVE-2026-31557","urls":{"html":"https://cve.report/CVE-2026-31557","api":"https://cve.report/api/cve/CVE-2026-31557.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-31557","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-31557"},"summary":{"title":"nvmet: move async event work off nvmet-wq","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnvmet: move async event work off nvmet-wq\n\nFor target nvmet_ctrl_free() flushes ctrl->async_event_work.\nIf nvmet_ctrl_free() runs on nvmet-wq, the flush re-enters workqueue\ncompletion for the same worker:-\n\nA. Async event work queued on nvmet-wq (prior to disconnect):\n  nvmet_execute_async_event()\n     queue_work(nvmet_wq, &ctrl->async_event_work)\n\n  nvmet_add_async_event()\n     queue_work(nvmet_wq, &ctrl->async_event_work)\n\nB. Full pre-work chain (RDMA CM path):\n  nvmet_rdma_cm_handler()\n     nvmet_rdma_queue_disconnect()\n       __nvmet_rdma_queue_disconnect()\n         queue_work(nvmet_wq, &queue->release_work)\n           process_one_work()\n             lock((wq_completion)nvmet-wq)  <--------- 1st\n             nvmet_rdma_release_queue_work()\n\nC. Recursive path (same worker):\n  nvmet_rdma_release_queue_work()\n     nvmet_rdma_free_queue()\n       nvmet_sq_destroy()\n         nvmet_ctrl_put()\n           nvmet_ctrl_free()\n             flush_work(&ctrl->async_event_work)\n               __flush_work()\n                 touch_wq_lockdep_map()\n                 lock((wq_completion)nvmet-wq) <--------- 2nd\n\nLockdep splat:\n\n  ============================================\n  WARNING: possible recursive locking detected\n  6.19.0-rc3nvme+ #14 Tainted: G                 N\n  --------------------------------------------\n  kworker/u192:42/44933 is trying to acquire lock:\n  ffff888118a00948 ((wq_completion)nvmet-wq){+.+.}-{0:0}, at: touch_wq_lockdep_map+0x26/0x90\n\n  but task is already holding lock:\n  ffff888118a00948 ((wq_completion)nvmet-wq){+.+.}-{0:0}, at: process_one_work+0x53e/0x660\n\n  3 locks held by kworker/u192:42/44933:\n   #0: ffff888118a00948 ((wq_completion)nvmet-wq){+.+.}-{0:0}, at: process_one_work+0x53e/0x660\n   #1: ffffc9000e6cbe28 ((work_completion)(&queue->release_work)){+.+.}-{0:0}, at: process_one_work+0x1c5/0x660\n   #2: ffffffff82d4db60 (rcu_read_lock){....}-{1:3}, at: __flush_work+0x62/0x530\n\n  Workqueue: nvmet-wq nvmet_rdma_release_queue_work [nvmet_rdma]\n  Call Trace:\n   __flush_work+0x268/0x530\n   nvmet_ctrl_free+0x140/0x310 [nvmet]\n   nvmet_cq_put+0x74/0x90 [nvmet]\n   nvmet_rdma_free_queue+0x23/0xe0 [nvmet_rdma]\n   nvmet_rdma_release_queue_work+0x19/0x50 [nvmet_rdma]\n   process_one_work+0x206/0x660\n   worker_thread+0x184/0x320\n   kthread+0x10c/0x240\n   ret_from_fork+0x319/0x390\n\nMove async event work to a dedicated nvmet-aen-wq to avoid reentrant\nflush on nvmet-wq.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-04-24 15:16:30","updated_at":"2026-04-27 20:14:08"},"problem_types":["NVD-CWE-noinfo"],"metrics":[{"version":"3.1","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","score":"7.5","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"7.5","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","data":{"baseScore":7.5,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"references":[{"url":"https://git.kernel.org/stable/c/49c7c50ee6325a084216e94395e067ecde8088fa","name":"https://git.kernel.org/stable/c/49c7c50ee6325a084216e94395e067ecde8088fa","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/2922e3507f6d5caa7f1d07f145e186fc6f317a4e","name":"https://git.kernel.org/stable/c/2922e3507f6d5caa7f1d07f145e186fc6f317a4e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/ca111c9d8d6c9d5735878d933a1716c4be86c2d1","name":"https://git.kernel.org/stable/c/ca111c9d8d6c9d5735878d933a1716c4be86c2d1","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/25ceffc1dabec3b93f458b437aae26f4da293f87","name":"https://git.kernel.org/stable/c/25ceffc1dabec3b93f458b437aae26f4da293f87","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-31557","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-31557","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 8832cf922151e9dfa2821736beb0ae2dd3968b6e 49c7c50ee6325a084216e94395e067ecde8088fa git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 8832cf922151e9dfa2821736beb0ae2dd3968b6e ca111c9d8d6c9d5735878d933a1716c4be86c2d1 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 8832cf922151e9dfa2821736beb0ae2dd3968b6e 25ceffc1dabec3b93f458b437aae26f4da293f87 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 8832cf922151e9dfa2821736beb0ae2dd3968b6e 2922e3507f6d5caa7f1d07f145e186fc6f317a4e git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected d44ff3b100b94e9f23b1e8dbe688eee9bb867ac9 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 84026f8c9357c62a9d3e4c554ffd10ccab813654 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5.18","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.18 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.80 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.21 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.19.11 6.19.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2026","cve_id":"31557","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"linux","cpe5":"linux_kernel","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"31557","cve":"CVE-2026-31557","epss":"0.000180000","percentile":"0.046080000","score_date":"2026-04-27","updated_at":"2026-04-28 00:06:44"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/nvme/target/admin-cmd.c","drivers/nvme/target/core.c","drivers/nvme/target/nvmet.h","drivers/nvme/target/rdma.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"49c7c50ee6325a084216e94395e067ecde8088fa","status":"affected","version":"8832cf922151e9dfa2821736beb0ae2dd3968b6e","versionType":"git"},{"lessThan":"ca111c9d8d6c9d5735878d933a1716c4be86c2d1","status":"affected","version":"8832cf922151e9dfa2821736beb0ae2dd3968b6e","versionType":"git"},{"lessThan":"25ceffc1dabec3b93f458b437aae26f4da293f87","status":"affected","version":"8832cf922151e9dfa2821736beb0ae2dd3968b6e","versionType":"git"},{"lessThan":"2922e3507f6d5caa7f1d07f145e186fc6f317a4e","status":"affected","version":"8832cf922151e9dfa2821736beb0ae2dd3968b6e","versionType":"git"},{"status":"affected","version":"d44ff3b100b94e9f23b1e8dbe688eee9bb867ac9","versionType":"git"},{"status":"affected","version":"84026f8c9357c62a9d3e4c554ffd10ccab813654","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/nvme/target/admin-cmd.c","drivers/nvme/target/core.c","drivers/nvme/target/nvmet.h","drivers/nvme/target/rdma.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.18"},{"lessThan":"5.18","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.80","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.21","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.11","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.80","versionStartIncluding":"5.18","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.21","versionStartIncluding":"5.18","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.19.11","versionStartIncluding":"5.18","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0","versionStartIncluding":"5.18","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15.42","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.17.10","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnvmet: move async event work off nvmet-wq\n\nFor target nvmet_ctrl_free() flushes ctrl->async_event_work.\nIf nvmet_ctrl_free() runs on nvmet-wq, the flush re-enters workqueue\ncompletion for the same worker:-\n\nA. Async event work queued on nvmet-wq (prior to disconnect):\n  nvmet_execute_async_event()\n     queue_work(nvmet_wq, &ctrl->async_event_work)\n\n  nvmet_add_async_event()\n     queue_work(nvmet_wq, &ctrl->async_event_work)\n\nB. Full pre-work chain (RDMA CM path):\n  nvmet_rdma_cm_handler()\n     nvmet_rdma_queue_disconnect()\n       __nvmet_rdma_queue_disconnect()\n         queue_work(nvmet_wq, &queue->release_work)\n           process_one_work()\n             lock((wq_completion)nvmet-wq)  <--------- 1st\n             nvmet_rdma_release_queue_work()\n\nC. Recursive path (same worker):\n  nvmet_rdma_release_queue_work()\n     nvmet_rdma_free_queue()\n       nvmet_sq_destroy()\n         nvmet_ctrl_put()\n           nvmet_ctrl_free()\n             flush_work(&ctrl->async_event_work)\n               __flush_work()\n                 touch_wq_lockdep_map()\n                 lock((wq_completion)nvmet-wq) <--------- 2nd\n\nLockdep splat:\n\n  ============================================\n  WARNING: possible recursive locking detected\n  6.19.0-rc3nvme+ #14 Tainted: G                 N\n  --------------------------------------------\n  kworker/u192:42/44933 is trying to acquire lock:\n  ffff888118a00948 ((wq_completion)nvmet-wq){+.+.}-{0:0}, at: touch_wq_lockdep_map+0x26/0x90\n\n  but task is already holding lock:\n  ffff888118a00948 ((wq_completion)nvmet-wq){+.+.}-{0:0}, at: process_one_work+0x53e/0x660\n\n  3 locks held by kworker/u192:42/44933:\n   #0: ffff888118a00948 ((wq_completion)nvmet-wq){+.+.}-{0:0}, at: process_one_work+0x53e/0x660\n   #1: ffffc9000e6cbe28 ((work_completion)(&queue->release_work)){+.+.}-{0:0}, at: process_one_work+0x1c5/0x660\n   #2: ffffffff82d4db60 (rcu_read_lock){....}-{1:3}, at: __flush_work+0x62/0x530\n\n  Workqueue: nvmet-wq nvmet_rdma_release_queue_work [nvmet_rdma]\n  Call Trace:\n   __flush_work+0x268/0x530\n   nvmet_ctrl_free+0x140/0x310 [nvmet]\n   nvmet_cq_put+0x74/0x90 [nvmet]\n   nvmet_rdma_free_queue+0x23/0xe0 [nvmet_rdma]\n   nvmet_rdma_release_queue_work+0x19/0x50 [nvmet_rdma]\n   process_one_work+0x206/0x660\n   worker_thread+0x184/0x320\n   kthread+0x10c/0x240\n   ret_from_fork+0x319/0x390\n\nMove async event work to a dedicated nvmet-aen-wq to avoid reentrant\nflush on nvmet-wq."}],"metrics":[{"cvssV3_1":{"baseScore":7.5,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"providerMetadata":{"dateUpdated":"2026-04-27T14:04:03.623Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/49c7c50ee6325a084216e94395e067ecde8088fa"},{"url":"https://git.kernel.org/stable/c/ca111c9d8d6c9d5735878d933a1716c4be86c2d1"},{"url":"https://git.kernel.org/stable/c/25ceffc1dabec3b93f458b437aae26f4da293f87"},{"url":"https://git.kernel.org/stable/c/2922e3507f6d5caa7f1d07f145e186fc6f317a4e"}],"title":"nvmet: move async event work off nvmet-wq","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-31557","datePublished":"2026-04-24T14:35:40.544Z","dateReserved":"2026-03-09T15:48:24.116Z","dateUpdated":"2026-04-27T14:04:03.623Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-04-24 15:16:30","lastModifiedDate":"2026-04-27 20:14:08","problem_types":["NVD-CWE-noinfo"],"metrics":{"cvssMetricV31":[{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15.42","versionEndExcluding":"5.16","matchCriteriaId":"752141E3-2E88-4CDB-962E-FE1DFC022596"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.17.10","versionEndExcluding":"5.18","matchCriteriaId":"E648BBD2-268B-4150-94DA-5E0D23BF336E"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.18.1","versionEndExcluding":"6.12.80","matchCriteriaId":"67222101-CC02-4250-A6E8-A98BDD29DB6F"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"6.18.21","matchCriteriaId":"ED39847A-3B46-4729-B7CA-B2C30B9FA8FE"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.19","versionEndExcluding":"6.19.11","matchCriteriaId":"4CA2E747-A9EC-4518-9AA2-B4247FC748B7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:5.18:-:*:*:*:*:*:*","matchCriteriaId":"0384FA0A-DE99-48D7-84E3-46ED0C3B5E03"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:7.0:rc1:*:*:*:*:*:*","matchCriteriaId":"F253B622-8837-4245-BCE5-A7BF8FC76A16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:7.0:rc2:*:*:*:*:*:*","matchCriteriaId":"4AE85AD8-4641-4E7C-A2F4-305E2CD9EE64"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:7.0:rc3:*:*:*:*:*:*","matchCriteriaId":"F666C8D8-6538-46D4-B318-87610DE64C34"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:7.0:rc4:*:*:*:*:*:*","matchCriteriaId":"02259FDA-961B-47BC-AE7F-93D7EC6E90C2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:7.0:rc5:*:*:*:*:*:*","matchCriteriaId":"58A9FEFF-C040-420D-8F0A-BFDAAA1DF258"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:7.0:rc6:*:*:*:*:*:*","matchCriteriaId":"1D2315C0-D46F-4F85-9754-F9E5E11374A6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:7.0:rc7:*:*:*:*:*:*","matchCriteriaId":"512EE3A8-A590-4501-9A94-5D4B268D6138"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"31557","Ordinal":"1","Title":"nvmet: move async event work off nvmet-wq","CVE":"CVE-2026-31557","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"31557","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nnvmet: move async event work off nvmet-wq\n\nFor target nvmet_ctrl_free() flushes ctrl->async_event_work.\nIf nvmet_ctrl_free() runs on nvmet-wq, the flush re-enters workqueue\ncompletion for the same worker:-\n\nA. Async event work queued on nvmet-wq (prior to disconnect):\n  nvmet_execute_async_event()\n     queue_work(nvmet_wq, &ctrl->async_event_work)\n\n  nvmet_add_async_event()\n     queue_work(nvmet_wq, &ctrl->async_event_work)\n\nB. Full pre-work chain (RDMA CM path):\n  nvmet_rdma_cm_handler()\n     nvmet_rdma_queue_disconnect()\n       __nvmet_rdma_queue_disconnect()\n         queue_work(nvmet_wq, &queue->release_work)\n           process_one_work()\n             lock((wq_completion)nvmet-wq)  <--------- 1st\n             nvmet_rdma_release_queue_work()\n\nC. Recursive path (same worker):\n  nvmet_rdma_release_queue_work()\n     nvmet_rdma_free_queue()\n       nvmet_sq_destroy()\n         nvmet_ctrl_put()\n           nvmet_ctrl_free()\n             flush_work(&ctrl->async_event_work)\n               __flush_work()\n                 touch_wq_lockdep_map()\n                 lock((wq_completion)nvmet-wq) <--------- 2nd\n\nLockdep splat:\n\n  ============================================\n  WARNING: possible recursive locking detected\n  6.19.0-rc3nvme+ #14 Tainted: G                 N\n  --------------------------------------------\n  kworker/u192:42/44933 is trying to acquire lock:\n  ffff888118a00948 ((wq_completion)nvmet-wq){+.+.}-{0:0}, at: touch_wq_lockdep_map+0x26/0x90\n\n  but task is already holding lock:\n  ffff888118a00948 ((wq_completion)nvmet-wq){+.+.}-{0:0}, at: process_one_work+0x53e/0x660\n\n  3 locks held by kworker/u192:42/44933:\n   #0: ffff888118a00948 ((wq_completion)nvmet-wq){+.+.}-{0:0}, at: process_one_work+0x53e/0x660\n   #1: ffffc9000e6cbe28 ((work_completion)(&queue->release_work)){+.+.}-{0:0}, at: process_one_work+0x1c5/0x660\n   #2: ffffffff82d4db60 (rcu_read_lock){....}-{1:3}, at: __flush_work+0x62/0x530\n\n  Workqueue: nvmet-wq nvmet_rdma_release_queue_work [nvmet_rdma]\n  Call Trace:\n   __flush_work+0x268/0x530\n   nvmet_ctrl_free+0x140/0x310 [nvmet]\n   nvmet_cq_put+0x74/0x90 [nvmet]\n   nvmet_rdma_free_queue+0x23/0xe0 [nvmet_rdma]\n   nvmet_rdma_release_queue_work+0x19/0x50 [nvmet_rdma]\n   process_one_work+0x206/0x660\n   worker_thread+0x184/0x320\n   kthread+0x10c/0x240\n   ret_from_fork+0x319/0x390\n\nMove async event work to a dedicated nvmet-aen-wq to avoid reentrant\nflush on nvmet-wq.","Type":"Description","Title":"nvmet: move async event work off nvmet-wq"}]}}}