"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"