{"id":"CVE-2024-36882","summary":"mm: use memalloc_nofs_save() in page_cache_ra_order()","details":"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 \u003e /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","modified":"2026-03-20T12:36:49.896996Z","published":"2024-05-30T15:28:52.706Z","related":["MGASA-2024-0263","MGASA-2024-0266","SUSE-SU-2024:2571-1","SUSE-SU-2024:2896-1","SUSE-SU-2024:2973-1","SUSE-SU-2025:20008-1","SUSE-SU-2025:20028-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/36xxx/CVE-2024-36882.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/30153e4466647a17eebfced13eede5cbe4290e69"},{"type":"WEB","url":"https://git.kernel.org/stable/c/468971c3f4b8187f25334503b68050a0e1370147"},{"type":"WEB","url":"https://git.kernel.org/stable/c/7629ef6dda1564098aadeef38e5fbd11ee8627c4"},{"type":"WEB","url":"https://git.kernel.org/stable/c/cf6a1d16c6df3c30b03f0c6a92a2ba7f86dffb45"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/36xxx/CVE-2024-36882.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-36882"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"793917d997df2e432f3e9ac126e4482d68256d01"},{"fixed":"7629ef6dda1564098aadeef38e5fbd11ee8627c4"},{"fixed":"468971c3f4b8187f25334503b68050a0e1370147"},{"fixed":"cf6a1d16c6df3c30b03f0c6a92a2ba7f86dffb45"},{"fixed":"30153e4466647a17eebfced13eede5cbe4290e69"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2024-36882.json"}}],"schema_version":"1.7.5"}