184 lines
12 KiB
JSON
184 lines
12 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-2024-56744",
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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": "2024-12-29T11:26:39.758Z",
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"datePublished": "2024-12-29T11:30:11.816Z",
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"dateUpdated": "2026-05-23T15:55:59.675Z"
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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": "2026-05-23T15:55:59.675Z"
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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\nf2fs: fix to avoid potential deadlock in f2fs_record_stop_reason()\n\nsyzbot reports deadlock issue of f2fs as below:\n\n======================================================\nWARNING: possible circular locking dependency detected\n6.12.0-rc3-syzkaller-00087-gc964ced77262 #0 Not tainted\n------------------------------------------------------\nkswapd0/79 is trying to acquire lock:\nffff888011824088 (&sbi->sb_lock){++++}-{3:3}, at: f2fs_down_write fs/f2fs/f2fs.h:2199 [inline]\nffff888011824088 (&sbi->sb_lock){++++}-{3:3}, at: f2fs_record_stop_reason+0x52/0x1d0 fs/f2fs/super.c:4068\n\nbut task is already holding lock:\nffff88804bd92610 (sb_internal#2){.+.+}-{0:0}, at: f2fs_evict_inode+0x662/0x15c0 fs/f2fs/inode.c:842\n\nwhich lock already depends on the new lock.\n\nthe existing dependency chain (in reverse order) is:\n\n-> #2 (sb_internal#2){.+.+}-{0:0}:\n lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5825\n percpu_down_read include/linux/percpu-rwsem.h:51 [inline]\n __sb_start_write include/linux/fs.h:1716 [inline]\n sb_start_intwrite+0x4d/0x1c0 include/linux/fs.h:1899\n f2fs_evict_inode+0x662/0x15c0 fs/f2fs/inode.c:842\n evict+0x4e8/0x9b0 fs/inode.c:725\n f2fs_evict_inode+0x1a4/0x15c0 fs/f2fs/inode.c:807\n evict+0x4e8/0x9b0 fs/inode.c:725\n dispose_list fs/inode.c:774 [inline]\n prune_icache_sb+0x239/0x2f0 fs/inode.c:963\n super_cache_scan+0x38c/0x4b0 fs/super.c:223\n do_shrink_slab+0x701/0x1160 mm/shrinker.c:435\n shrink_slab+0x1093/0x14d0 mm/shrinker.c:662\n shrink_one+0x43b/0x850 mm/vmscan.c:4818\n shrink_many mm/vmscan.c:4879 [inline]\n lru_gen_shrink_node mm/vmscan.c:4957 [inline]\n shrink_node+0x3799/0x3de0 mm/vmscan.c:5937\n kswapd_shrink_node mm/vmscan.c:6765 [inline]\n balance_pgdat mm/vmscan.c:6957 [inline]\n kswapd+0x1ca3/0x3700 mm/vmscan.c:7226\n kthread+0x2f0/0x390 kernel/kthread.c:389\n ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147\n ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244\n\n-> #1 (fs_reclaim){+.+.}-{0:0}:\n lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5825\n __fs_reclaim_acquire mm/page_alloc.c:3834 [inline]\n fs_reclaim_acquire+0x88/0x130 mm/page_alloc.c:3848\n might_alloc include/linux/sched/mm.h:318 [inline]\n prepare_alloc_pages+0x147/0x5b0 mm/page_alloc.c:4493\n __alloc_pages_noprof+0x16f/0x710 mm/page_alloc.c:4722\n alloc_pages_mpol_noprof+0x3e8/0x680 mm/mempolicy.c:2265\n alloc_pages_noprof mm/mempolicy.c:2345 [inline]\n folio_alloc_noprof+0x128/0x180 mm/mempolicy.c:2352\n filemap_alloc_folio_noprof+0xdf/0x500 mm/filemap.c:1010\n do_read_cache_folio+0x2eb/0x850 mm/filemap.c:3787\n read_mapping_folio include/linux/pagemap.h:1011 [inline]\n f2fs_commit_super+0x3c0/0x7d0 fs/f2fs/super.c:4032\n f2fs_record_stop_reason+0x13b/0x1d0 fs/f2fs/super.c:4079\n f2fs_handle_critical_error+0x2ac/0x5c0 fs/f2fs/super.c:4174\n f2fs_write_inode+0x35f/0x4d0 fs/f2fs/inode.c:785\n write_inode fs/fs-writeback.c:1503 [inline]\n __writeback_single_inode+0x711/0x10d0 fs/fs-writeback.c:1723\n writeback_single_inode+0x1f3/0x660 fs/fs-writeback.c:1779\n sync_inode_metadata+0xc4/0x120 fs/fs-writeback.c:2849\n f2fs_release_file+0xa8/0x100 fs/f2fs/file.c:1941\n __fput+0x23f/0x880 fs/file_table.c:431\n task_work_run+0x24f/0x310 kernel/task_work.c:228\n resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]\n exit_to_user_mode_loop kernel/entry/common.c:114 [inline]\n exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]\n __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]\n syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218\n do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n\n---truncated---"
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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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"fs/f2fs/checkpoint.c",
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"fs/f2fs/f2fs.h",
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"fs/f2fs/super.c"
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],
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"versions": [
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{
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"version": "b62e71be2110d8b52bf5faf3c3ed7ca1a0c113a5",
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"lessThan": "ecf4e6782b01fd578b565b3dd2be7bb0ac91082e",
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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": "b62e71be2110d8b52bf5faf3c3ed7ca1a0c113a5",
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"lessThan": "1539a088b108996bcdaddb7775070b5163b14233",
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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": "b62e71be2110d8b52bf5faf3c3ed7ca1a0c113a5",
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"lessThan": "801092a2c9c251ef6a8678fcb8fcc1220474a697",
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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": "b62e71be2110d8b52bf5faf3c3ed7ca1a0c113a5",
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"lessThan": "f10a890308a7cd8794e21f646f09827c6cb4bf5d",
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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": "ed1d478bf838820201f3fb67a1748fdf15954ea4",
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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": "6.4.4",
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"lessThan": "6.5",
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"status": "affected",
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"versionType": "semver"
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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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"fs/f2fs/checkpoint.c",
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"fs/f2fs/f2fs.h",
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"fs/f2fs/super.c"
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],
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"versions": [
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{
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"version": "6.5",
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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": "6.5",
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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": "6.6.64",
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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": "6.11.11",
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"lessThanOrEqual": "6.11.*",
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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": "6.12.2",
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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": "6.13",
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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": "6.5",
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"versionEndExcluding": "6.6.64"
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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": "6.5",
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"versionEndExcluding": "6.11.11"
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},
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.5",
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"versionEndExcluding": "6.12.2"
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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": "6.5",
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"versionEndExcluding": "6.13"
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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": "6.4.4"
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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/ecf4e6782b01fd578b565b3dd2be7bb0ac91082e"
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},
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{
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"url": "https://git.kernel.org/stable/c/1539a088b108996bcdaddb7775070b5163b14233"
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},
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{
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"url": "https://git.kernel.org/stable/c/801092a2c9c251ef6a8678fcb8fcc1220474a697"
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},
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{
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"url": "https://git.kernel.org/stable/c/f10a890308a7cd8794e21f646f09827c6cb4bf5d"
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}
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],
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"title": "f2fs: fix to avoid potential deadlock in f2fs_record_stop_reason()",
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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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} |