===================================================== BUG: KMSAN: uninit-value in __alloc_pages_slowpath+0xee8/0x16c0 mm/page_alloc.c:4416 __alloc_pages_slowpath+0xee8/0x16c0 mm/page_alloc.c:4416 __alloc_frozen_pages_noprof+0xa4c/0xe00 mm/page_alloc.c:4752 alloc_pages_mpol+0x4cd/0x890 mm/mempolicy.c:2270 alloc_frozen_pages_noprof mm/mempolicy.c:2341 [inline] alloc_pages_noprof+0x1b5/0x250 mm/mempolicy.c:2361 pagetable_alloc_noprof include/linux/mm.h:2900 [inline] pmd_alloc_one_noprof include/asm-generic/pgalloc.h:137 [inline] __pmd_alloc+0x57/0xa80 mm/memory.c:6465 pmd_alloc include/linux/mm.h:2863 [inline] copy_pmd_range mm/memory.c:1242 [inline] copy_pud_range mm/memory.c:1299 [inline] copy_p4d_range mm/memory.c:1323 [inline] copy_page_range+0xdc78/0xe3a0 mm/memory.c:1421 dup_mmap kernel/fork.c:748 [inline] dup_mm kernel/fork.c:1700 [inline] copy_mm+0x2675/0x3f00 kernel/fork.c:1752 copy_process+0x26e3/0x5c30 kernel/fork.c:2403 kernel_clone+0x401/0x1040 kernel/fork.c:2815 __do_sys_clone kernel/fork.c:2958 [inline] __se_sys_clone kernel/fork.c:2942 [inline] __x64_sys_clone+0x25c/0x360 kernel/fork.c:2942 x64_sys_call+0x3bcc/0x3c30 arch/x86/include/generated/asm/syscalls_64.h:57 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Local variable compact_result created at: __alloc_pages_slowpath+0x66/0x16c0 mm/page_alloc.c:4218 __alloc_frozen_pages_noprof+0xa4c/0xe00 mm/page_alloc.c:4752 CPU: 1 UID: 0 PID: 5149 Comm: udevd Not tainted 6.14.0-rc5-syzkaller-00039-g848e07631744 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 =====================================================