CVE-2023-52623
Vulnerability from cvelistv5
Published
2024-03-26 17:19
Modified
2024-11-04 16:51
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
SUNRPC: Fix a suspicious RCU usage warning
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/31b62908693c90d4d07db597e685d9f25a120073
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/69c7eeb4f622c2a28da965f970f982db171f3dc6
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7a96d85bf196c170dcf1b47a82e9bb97cca69aa6
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8f860c8407470baff2beb9982ad6b172c94f1d0a
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c430e6bb43955c6bf573665fcebf31694925b9f7
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e8ca3e73301e23e8c0ac0ce2e6bac4545cd776e0
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f8cf4dabbdcb8bef85335b0ed7ad5b25fd82ff56
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/fece80a2a6718ed58487ce397285bb1b83a3e54e
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website

To clipboard 

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              "versionType": "semver"
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              "version": "5.4.269",
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              "versionType": "semver"
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nSUNRPC: Fix a suspicious RCU usage warning\n\nI received the following warning while running cthon against an ontap\nserver running pNFS:\n\n[   57.202521] =============================\n[   57.202522] WARNING: suspicious RCU usage\n[   57.202523] 6.7.0-rc3-g2cc14f52aeb7 #41492 Not tainted\n[   57.202525] -----------------------------\n[   57.202525] net/sunrpc/xprtmultipath.c:349 RCU-list traversed in non-reader section!!\n[   57.202527]\n               other info that might help us debug this:\n\n[   57.202528]\n               rcu_scheduler_active = 2, debug_locks = 1\n[   57.202529] no locks held by test5/3567.\n[   57.202530]\n               stack backtrace:\n[   57.202532] CPU: 0 PID: 3567 Comm: test5 Not tainted 6.7.0-rc3-g2cc14f52aeb7 #41492 5b09971b4965c0aceba19f3eea324a4a806e227e\n[   57.202534] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS unknown 2/2/2022\n[   57.202536] Call Trace:\n[   57.202537]  \u003cTASK\u003e\n[   57.202540]  dump_stack_lvl+0x77/0xb0\n[   57.202551]  lockdep_rcu_suspicious+0x154/0x1a0\n[   57.202556]  rpc_xprt_switch_has_addr+0x17c/0x190 [sunrpc ebe02571b9a8ceebf7d98e71675af20c19bdb1f6]\n[   57.202596]  rpc_clnt_setup_test_and_add_xprt+0x50/0x180 [sunrpc ebe02571b9a8ceebf7d98e71675af20c19bdb1f6]\n[   57.202621]  ? rpc_clnt_add_xprt+0x254/0x300 [sunrpc ebe02571b9a8ceebf7d98e71675af20c19bdb1f6]\n[   57.202646]  rpc_clnt_add_xprt+0x27a/0x300 [sunrpc ebe02571b9a8ceebf7d98e71675af20c19bdb1f6]\n[   57.202671]  ? __pfx_rpc_clnt_setup_test_and_add_xprt+0x10/0x10 [sunrpc ebe02571b9a8ceebf7d98e71675af20c19bdb1f6]\n[   57.202696]  nfs4_pnfs_ds_connect+0x345/0x760 [nfsv4 c716d88496ded0ea6d289bbea684fa996f9b57a9]\n[   57.202728]  ? __pfx_nfs4_test_session_trunk+0x10/0x10 [nfsv4 c716d88496ded0ea6d289bbea684fa996f9b57a9]\n[   57.202754]  nfs4_fl_prepare_ds+0x75/0xc0 [nfs_layout_nfsv41_files e3a4187f18ae8a27b630f9feae6831b584a9360a]\n[   57.202760]  filelayout_write_pagelist+0x4a/0x200 [nfs_layout_nfsv41_files e3a4187f18ae8a27b630f9feae6831b584a9360a]\n[   57.202765]  pnfs_generic_pg_writepages+0xbe/0x230 [nfsv4 c716d88496ded0ea6d289bbea684fa996f9b57a9]\n[   57.202788]  __nfs_pageio_add_request+0x3fd/0x520 [nfs 6c976fa593a7c2976f5a0aeb4965514a828e6902]\n[   57.202813]  nfs_pageio_add_request+0x18b/0x390 [nfs 6c976fa593a7c2976f5a0aeb4965514a828e6902]\n[   57.202831]  nfs_do_writepage+0x116/0x1e0 [nfs 6c976fa593a7c2976f5a0aeb4965514a828e6902]\n[   57.202849]  nfs_writepages_callback+0x13/0x30 [nfs 6c976fa593a7c2976f5a0aeb4965514a828e6902]\n[   57.202866]  write_cache_pages+0x265/0x450\n[   57.202870]  ? __pfx_nfs_writepages_callback+0x10/0x10 [nfs 6c976fa593a7c2976f5a0aeb4965514a828e6902]\n[   57.202891]  nfs_writepages+0x141/0x230 [nfs 6c976fa593a7c2976f5a0aeb4965514a828e6902]\n[   57.202913]  do_writepages+0xd2/0x230\n[   57.202917]  ? filemap_fdatawrite_wbc+0x5c/0x80\n[   57.202921]  filemap_fdatawrite_wbc+0x67/0x80\n[   57.202924]  filemap_write_and_wait_range+0xd9/0x170\n[   57.202930]  nfs_wb_all+0x49/0x180 [nfs 6c976fa593a7c2976f5a0aeb4965514a828e6902]\n[   57.202947]  nfs4_file_flush+0x72/0xb0 [nfsv4 c716d88496ded0ea6d289bbea684fa996f9b57a9]\n[   57.202969]  __se_sys_close+0x46/0xd0\n[   57.202972]  do_syscall_64+0x68/0x100\n[   57.202975]  ? do_syscall_64+0x77/0x100\n[   57.202976]  ? do_syscall_64+0x77/0x100\n[   57.202979]  entry_SYSCALL_64_after_hwframe+0x6e/0x76\n[   57.202982] RIP: 0033:0x7fe2b12e4a94\n[   57.202985] Code: 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 80 3d d5 18 0e 00 00 74 13 b8 03 00 00 00 0f 05 \u003c48\u003e 3d 00 f0 ff ff 77 44 c3 0f 1f 00 48 83 ec 18 89 7c 24 0c e8 c3\n[   57.202987] RSP: 002b:00007ffe857ddb38 EFLAGS: 00000202 ORIG_RAX: 0000000000000003\n[   57.202989] RAX: ffffffffffffffda RBX: 00007ffe857dfd68 RCX: 00007fe2b12e4a94\n[   57.202991] RDX: 0000000000002000 RSI: 00007ffe857ddc40 RDI: 0000000000000003\n[   57.202992] RBP: 00007ffe857dfc50 R08: 7fffffffffffffff R09: 0000000065650f49\n[   57.202993] R10: 00007f\n---truncated---"
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        "shortName": "Linux"
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          "url": "https://git.kernel.org/stable/c/7a96d85bf196c170dcf1b47a82e9bb97cca69aa6"
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          "url": "https://git.kernel.org/stable/c/31b62908693c90d4d07db597e685d9f25a120073"
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      "title": "SUNRPC: Fix a suspicious RCU usage warning",
      "x_generator": {
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  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2023-52623",
    "datePublished": "2024-03-26T17:19:24.425Z",
    "dateReserved": "2024-03-06T09:52:12.090Z",
    "dateUpdated": "2024-11-04T16:51:15.101Z",
    "state": "PUBLISHED"
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  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2023-52623\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-03-26T18:15:08.930\",\"lastModified\":\"2024-11-04T17:35:08.873\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nSUNRPC: Fix a suspicious RCU usage warning\\n\\nI received the following warning while running cthon against an ontap\\nserver running pNFS:\\n\\n[   57.202521] =============================\\n[   57.202522] WARNING: suspicious RCU usage\\n[   57.202523] 6.7.0-rc3-g2cc14f52aeb7 #41492 Not tainted\\n[   57.202525] -----------------------------\\n[   57.202525] net/sunrpc/xprtmultipath.c:349 RCU-list traversed in non-reader section!!\\n[   57.202527]\\n               other info that might help us debug this:\\n\\n[   57.202528]\\n               rcu_scheduler_active = 2, debug_locks = 1\\n[   57.202529] no locks held by test5/3567.\\n[   57.202530]\\n               stack backtrace:\\n[   57.202532] CPU: 0 PID: 3567 Comm: test5 Not tainted 6.7.0-rc3-g2cc14f52aeb7 #41492 5b09971b4965c0aceba19f3eea324a4a806e227e\\n[   57.202534] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS unknown 2/2/2022\\n[   57.202536] Call Trace:\\n[   57.202537]  \u003cTASK\u003e\\n[   57.202540]  dump_stack_lvl+0x77/0xb0\\n[   57.202551]  lockdep_rcu_suspicious+0x154/0x1a0\\n[   57.202556]  rpc_xprt_switch_has_addr+0x17c/0x190 [sunrpc ebe02571b9a8ceebf7d98e71675af20c19bdb1f6]\\n[   57.202596]  rpc_clnt_setup_test_and_add_xprt+0x50/0x180 [sunrpc ebe02571b9a8ceebf7d98e71675af20c19bdb1f6]\\n[   57.202621]  ? rpc_clnt_add_xprt+0x254/0x300 [sunrpc ebe02571b9a8ceebf7d98e71675af20c19bdb1f6]\\n[   57.202646]  rpc_clnt_add_xprt+0x27a/0x300 [sunrpc ebe02571b9a8ceebf7d98e71675af20c19bdb1f6]\\n[   57.202671]  ? __pfx_rpc_clnt_setup_test_and_add_xprt+0x10/0x10 [sunrpc ebe02571b9a8ceebf7d98e71675af20c19bdb1f6]\\n[   57.202696]  nfs4_pnfs_ds_connect+0x345/0x760 [nfsv4 c716d88496ded0ea6d289bbea684fa996f9b57a9]\\n[   57.202728]  ? __pfx_nfs4_test_session_trunk+0x10/0x10 [nfsv4 c716d88496ded0ea6d289bbea684fa996f9b57a9]\\n[   57.202754]  nfs4_fl_prepare_ds+0x75/0xc0 [nfs_layout_nfsv41_files e3a4187f18ae8a27b630f9feae6831b584a9360a]\\n[   57.202760]  filelayout_write_pagelist+0x4a/0x200 [nfs_layout_nfsv41_files e3a4187f18ae8a27b630f9feae6831b584a9360a]\\n[   57.202765]  pnfs_generic_pg_writepages+0xbe/0x230 [nfsv4 c716d88496ded0ea6d289bbea684fa996f9b57a9]\\n[   57.202788]  __nfs_pageio_add_request+0x3fd/0x520 [nfs 6c976fa593a7c2976f5a0aeb4965514a828e6902]\\n[   57.202813]  nfs_pageio_add_request+0x18b/0x390 [nfs 6c976fa593a7c2976f5a0aeb4965514a828e6902]\\n[   57.202831]  nfs_do_writepage+0x116/0x1e0 [nfs 6c976fa593a7c2976f5a0aeb4965514a828e6902]\\n[   57.202849]  nfs_writepages_callback+0x13/0x30 [nfs 6c976fa593a7c2976f5a0aeb4965514a828e6902]\\n[   57.202866]  write_cache_pages+0x265/0x450\\n[   57.202870]  ? __pfx_nfs_writepages_callback+0x10/0x10 [nfs 6c976fa593a7c2976f5a0aeb4965514a828e6902]\\n[   57.202891]  nfs_writepages+0x141/0x230 [nfs 6c976fa593a7c2976f5a0aeb4965514a828e6902]\\n[   57.202913]  do_writepages+0xd2/0x230\\n[   57.202917]  ? filemap_fdatawrite_wbc+0x5c/0x80\\n[   57.202921]  filemap_fdatawrite_wbc+0x67/0x80\\n[   57.202924]  filemap_write_and_wait_range+0xd9/0x170\\n[   57.202930]  nfs_wb_all+0x49/0x180 [nfs 6c976fa593a7c2976f5a0aeb4965514a828e6902]\\n[   57.202947]  nfs4_file_flush+0x72/0xb0 [nfsv4 c716d88496ded0ea6d289bbea684fa996f9b57a9]\\n[   57.202969]  __se_sys_close+0x46/0xd0\\n[   57.202972]  do_syscall_64+0x68/0x100\\n[   57.202975]  ? do_syscall_64+0x77/0x100\\n[   57.202976]  ? do_syscall_64+0x77/0x100\\n[   57.202979]  entry_SYSCALL_64_after_hwframe+0x6e/0x76\\n[   57.202982] RIP: 0033:0x7fe2b12e4a94\\n[   57.202985] Code: 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 80 3d d5 18 0e 00 00 74 13 b8 03 00 00 00 0f 05 \u003c48\u003e 3d 00 f0 ff ff 77 44 c3 0f 1f 00 48 83 ec 18 89 7c 24 0c e8 c3\\n[   57.202987] RSP: 002b:00007ffe857ddb38 EFLAGS: 00000202 ORIG_RAX: 0000000000000003\\n[   57.202989] RAX: ffffffffffffffda RBX: 00007ffe857dfd68 RCX: 00007fe2b12e4a94\\n[   57.202991] RDX: 0000000000002000 RSI: 00007ffe857ddc40 RDI: 0000000000000003\\n[   57.202992] RBP: 00007ffe857dfc50 R08: 7fffffffffffffff R09: 0000000065650f49\\n[   57.202993] R10: 00007f\\n---truncated---\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: SUNRPC: corrija una advertencia de uso sospechoso de RCU Recib\u00ed la siguiente advertencia mientras ejecutaba cthon en un servidor ontap que ejecutaba pNFS: [ 57.202521] ============ ================= [ 57.202522] ADVERTENCIA: uso sospechoso de RCU [ 57.202523] 6.7.0-rc3-g2cc14f52aeb7 #41492 No contaminado [ 57.202525] -------- --------------------- [ 57.202525] net/sunrpc/xprtmultipath.c:349 \u00a1\u00a1Lista de RCU atravesada en la secci\u00f3n que no es de lectura!! [57.202527] otra informaci\u00f3n que podr\u00eda ayudarnos a depurar esto: [57.202528] rcu_scheduler_active = 2, debug_locks = 1 [57.202529] no hay bloqueos retenidos por test5/3567. [ 57.202530] seguimiento de pila: [ 57.202532] CPU: 0 PID: 3567 Comm: test5 No contaminado 6.7.0-rc3-g2cc14f52aeb7 #41492 5b09971b4965c0aceba19f3eea324a4a806e227e [ 57.20253 4] Nombre del hardware: PC est\u00e1ndar QEMU (Q35 + ICH9, 2009), BIOS desconocido 2 /2/2022 [ 57.202536] Seguimiento de llamadas: [ 57.202537]  [ 57.202540] dump_stack_lvl+0x77/0xb0 [ 57.202551] lockdep_rcu_suspicious+0x154/0x1a0 [ 57.202556] rpc_xprt_sw itch_has_addr+0x17c/0x190 [sunrpc ebe02571b9a8ceebf7d98e71675af20c19bdb1f6] [ 57.202596] rpc_clnt_setup_test_and_add_xprt+0x50 /0x180 [sunrpc ebe02571b9a8ceebf7d98e71675af20c19bdb1f6] [ 57.202621] ? rpc_clnt_add_xprt+0x254/0x300 [sunrpc ebe02571b9a8ceebf7d98e71675af20c19bdb1f6] [ 57.202646] rpc_clnt_add_xprt+0x27a/0x300 [sunrpc ebe02571b9a8ceebf7d 98e71675af20c19bdb1f6] [57.202671]? __pfx_rpc_clnt_setup_test_and_add_xprt+0x10/0x10 [sunrpc ebe02571b9a8ceebf7d98e71675af20c19bdb1f6] [ 57.202696] nfs4_pnfs_ds_connect+0x345/0x760 [nfsv4 c71 6d88496ded0ea6d289bbea684fa996f9b57a9] [ 57.202728] ? __pfx_nfs4_test_session_trunk+0x10/0x10 [nfsv4 c716d88496ded0ea6d289bbea684fa996f9b57a9] [ 57.202754] nfs4_fl_prepare_ds+0x75/0xc0 [nfs_layout_nfsv41_files e 3a4187f18ae8a27b630f9feae6831b584a9360a] [ 57.202760] filelayout_write_pagelist+0x4a/0x200 [nfs_layout_nfsv41_files e3a4187f18ae8a27b630f9feae6831b584a9360a] [ 57.202765] pnfs_generic_pg_writepages+0xbe/0x230 [nfsv4 c716d88496ded0ea6d289bbea684fa996f9b57a9] [ 57.202788] __nfs_pageio_add_request+ 0x3fd/0x520 [nfs 6c976fa593a7c2976f5a0aeb4965514a828e6902] [ 57.202813] nfs_pageio_add_request+0x18b/0x390 [nfs 6c976fa593a7c2976f5a0aeb4965 514a828e6902] [ 57.202831] nfs_do_writepage+0x116/0x1e0 [nfs 6c976fa593a7c2976f5a0aeb4965514a828e6902] [ 57.202849] nfs_writepages_callback+0x13/0x30 [n fs 6c976fa593a7c2976f5a0aeb4965514a828e6902] [ 57.202866] write_cache_pages+0x265/ 0x450 [57.202870]? __pfx_nfs_writepages_callback+0x10/0x10 [nfs 6c976fa593a7c2976f5a0aeb4965514a828e6902] [ 57.202891] nfs_writepages+0x141/0x230 [nfs 6c976fa593a7c2976f 5a0aeb4965514a828e6902] [ 57.202913] do_writepages+0xd2/0x230 [ 57.202917] ? filemap_fdatawrite_wbc+0x5c/0x80 [ 57.202921] filemap_fdatawrite_wbc+0x67/0x80 [ 57.202924] filemap_write_and_wait_range+0xd9/0x170 [ 57.202930] nfs_wb_all+0x49/0x180 [nfs 6c97 6fa593a7c2976f5a0aeb4965514a828e6902] [ 57.202947] nfs4_file_flush+0x72/0xb0 [nfsv4 c716d88496ded0ea6d289bbea684fa996f9b57a9] [ 57.202969] __se_s ys_cerrar+ 0x46/0xd0 [57.202972] do_syscall_64+0x68/0x100 [57.202975]? do_syscall_64+0x77/0x100 [57.202976]? do_syscall_64+0x77/0x100 [ 57.202979] Entry_SYSCALL_64_after_hwframe+0x6e/0x76 [ 57.202982] RIP: 0033:0x7fe2b12e4a94 [ 57.202985] C\u00f3digo: 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 80 3d d5 18 0e 00 00 74 13 b8 03 00 00 00 0f 05 \u0026lt;48\u0026gt; 3d 00 f0 ff ff 77 44 c3 0f 1f 00 48 83 ec 18 89 7c 24 0c e8 c3 [ 57.202987] RSP : 002b:00007ffe857ddb38 EFLAGS: 00000202 ORIG_RAX: 00000000000000003 [ 57.202989] RAX: ffffffffffffffda RBX: 00007ffe857dfd68 RCX: 00007fe2b12e4a94 [ 57.202991] RDX: 00000000 00002000 RSI: 00007ffe857ddc40 RDI: 0000000000000003 [ 57.202992] RBP: 00007ffe857dfc50 R08: 7ffffffffffffffff R09: 0000000065650f49 [ 57.202993] R10 : 00007f -- -truncado---\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/31b62908693c90d4d07db597e685d9f25a120073\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/69c7eeb4f622c2a28da965f970f982db171f3dc6\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/7a96d85bf196c170dcf1b47a82e9bb97cca69aa6\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/8f860c8407470baff2beb9982ad6b172c94f1d0a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/c430e6bb43955c6bf573665fcebf31694925b9f7\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/e8ca3e73301e23e8c0ac0ce2e6bac4545cd776e0\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/f8cf4dabbdcb8bef85335b0ed7ad5b25fd82ff56\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/fece80a2a6718ed58487ce397285bb1b83a3e54e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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