{ "data_version": "4.0", "data_type": "CVE", "data_format": "MITRE", "CVE_data_meta": { "ID": "CVE-2024-36882", "ASSIGNER": "cve@kernel.org", "STATE": "PUBLIC" }, "description": { "description_data": [ { "lang": "eng", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm: use memalloc_nofs_save() in page_cache_ra_order()\n\nSee commit f2c817bed58d (\"mm: use memalloc_nofs_save in readahead path\"),\nensure that page_cache_ra_order() do not attempt to reclaim file-backed\npages too, or it leads to a deadlock, found issue when test ext4 large\nfolio.\n\n INFO: task DataXceiver for:7494 blocked for more than 120 seconds.\n \"echo 0 > /proc/sys/kernel/hung_task_timeout_secs\" disables this message.\n task:DataXceiver for state:D stack:0 pid:7494 ppid:1 flags:0x00000200\n Call trace:\n __switch_to+0x14c/0x240\n __schedule+0x82c/0xdd0\n schedule+0x58/0xf0\n io_schedule+0x24/0xa0\n __folio_lock+0x130/0x300\n migrate_pages_batch+0x378/0x918\n migrate_pages+0x350/0x700\n compact_zone+0x63c/0xb38\n compact_zone_order+0xc0/0x118\n try_to_compact_pages+0xb0/0x280\n __alloc_pages_direct_compact+0x98/0x248\n __alloc_pages+0x510/0x1110\n alloc_pages+0x9c/0x130\n folio_alloc+0x20/0x78\n filemap_alloc_folio+0x8c/0x1b0\n page_cache_ra_order+0x174/0x308\n ondemand_readahead+0x1c8/0x2b8\n page_cache_async_ra+0x68/0xb8\n filemap_readahead.isra.0+0x64/0xa8\n filemap_get_pages+0x3fc/0x5b0\n filemap_splice_read+0xf4/0x280\n ext4_file_splice_read+0x2c/0x48 [ext4]\n vfs_splice_read.part.0+0xa8/0x118\n splice_direct_to_actor+0xbc/0x288\n do_splice_direct+0x9c/0x108\n do_sendfile+0x328/0x468\n __arm64_sys_sendfile64+0x8c/0x148\n invoke_syscall+0x4c/0x118\n el0_svc_common.constprop.0+0xc8/0xf0\n do_el0_svc+0x24/0x38\n el0_svc+0x4c/0x1f8\n el0t_64_sync_handler+0xc0/0xc8\n el0t_64_sync+0x188/0x190" } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "n/a" } ] } ] }, "affects": { "vendor": { "vendor_data": [ { "vendor_name": "Linux", "product": { "product_data": [ { "product_name": "Linux", "version": { "version_data": [ { "version_affected": "<", "version_name": "793917d997df", "version_value": "7629ef6dda15" }, { "version_value": "not down converted", "x_cve_json_5_version_data": { "versions": [ { "version": "5.18", "status": "affected" }, { "version": "0", "lessThan": "5.18", "status": "unaffected", "versionType": "semver" }, { "version": "6.1.91", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.6.31", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.8.10", "lessThanOrEqual": "6.8.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.9", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ], "defaultStatus": "affected" } } ] } } ] } } ] } }, "references": { "reference_data": [ { "url": "https://git.kernel.org/stable/c/7629ef6dda1564098aadeef38e5fbd11ee8627c4", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/7629ef6dda1564098aadeef38e5fbd11ee8627c4" }, { "url": "https://git.kernel.org/stable/c/468971c3f4b8187f25334503b68050a0e1370147", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/468971c3f4b8187f25334503b68050a0e1370147" }, { "url": "https://git.kernel.org/stable/c/cf6a1d16c6df3c30b03f0c6a92a2ba7f86dffb45", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/cf6a1d16c6df3c30b03f0c6a92a2ba7f86dffb45" }, { "url": "https://git.kernel.org/stable/c/30153e4466647a17eebfced13eede5cbe4290e69", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/30153e4466647a17eebfced13eede5cbe4290e69" } ] }, "generator": { "engine": "bippy-9e1c9544281a" } }