BUG: unable to handle page fault for address: ffff88805fa41000 #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD 1ae01067 P4D 1ae01067 PUD 5fa40063 PMD 2a687063 PTE 800fffffa05be020 Oops: Oops: 0002 [#1] SMP KASAN PTI CPU: 0 UID: 0 PID: 5843 Comm: syz-executor Not tainted 6.14.0-syzkaller-12966-ga2cc6ff5ec8f #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 RIP: 0010:clear_page_erms+0xb/0x20 arch/x86/lib/clear_page_64.S:52 Code: 48 8d 7f 40 75 d9 90 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa b9 00 10 00 00 31 c0 aa c3 cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 90 RSP: 0018:ffffc90003f4ec78 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000001000 RDX: ffff88805fa41000 RSI: 0000000000000001 RDI: ffff88805fa41000 RBP: ffffea00017e9040 R08: ffffffff905fcf77 R09: 0000000000000000 R10: ffffed100bf48200 R11: fffffbfff20bf9ef R12: 0000000000000000 R13: 0000000000000001 R14: 0000000000000001 R15: ffffea00017e9040 FS: 0000000000000000(0000) GS:ffff888124f99000(0063) knlGS:0000000056aa3440 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: ffff88805fa41000 CR3: 0000000066642000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: clear_page arch/x86/include/asm/page_64.h:54 [inline] clear_highpage_kasan_tagged include/linux/highmem.h:248 [inline] kernel_init_pages mm/page_alloc.c:1093 [inline] post_alloc_hook+0xf5/0x240 mm/page_alloc.c:1715 prep_new_page mm/page_alloc.c:1725 [inline] get_page_from_freelist+0x352b/0x36c0 mm/page_alloc.c:3652 __alloc_frozen_pages_noprof+0x211/0x5b0 mm/page_alloc.c:4934 alloc_pages_mpol+0x339/0x690 mm/mempolicy.c:2301 alloc_frozen_pages_noprof mm/mempolicy.c:2372 [inline] alloc_pages_noprof+0x121/0x190 mm/mempolicy.c:2392 pagetable_alloc_noprof include/linux/mm.h:2985 [inline] __pte_alloc_one_noprof include/asm-generic/pgalloc.h:70 [inline] pte_alloc_one+0x1e/0x160 arch/x86/mm/pgtable.c:17 __pte_alloc+0x7b/0x240 mm/memory.c:430 copy_pte_range+0x607b/0x6680 mm/memory.c:1100 copy_pmd_range mm/memory.c:1255 [inline] copy_pud_range mm/memory.c:1292 [inline] copy_p4d_range mm/memory.c:1316 [inline] copy_page_range+0xe57/0x13a0 mm/memory.c:1410 dup_mmap kernel/fork.c:726 [inline] dup_mm kernel/fork.c:1734 [inline] copy_mm+0x130d/0x22c0 kernel/fork.c:1786 copy_process+0x17de/0x3d10 kernel/fork.c:2429 kernel_clone+0x242/0x930 kernel/fork.c:2844 __do_compat_sys_ia32_clone arch/x86/kernel/sys_ia32.c:254 [inline] __se_compat_sys_ia32_clone arch/x86/kernel/sys_ia32.c:240 [inline] __ia32_compat_sys_ia32_clone+0x266/0x2e0 arch/x86/kernel/sys_ia32.c:240 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline] __do_fast_syscall_32+0xb4/0x110 arch/x86/entry/syscall_32.c:306 do_fast_syscall_32+0x34/0x80 arch/x86/entry/syscall_32.c:331 entry_SYSENTER_compat_after_hwframe+0x84/0x8e RIP: 0023:0xf73ed579 Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 002b:00000000f753fcbc EFLAGS: 00000206 ORIG_RAX: 0000000000000078 RAX: ffffffffffffffda RBX: 0000000001200011 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000056aa34a8 RBP: 00000000f73dcff4 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: CR2: ffff88805fa41000 ---[ end trace 0000000000000000 ]--- RIP: 0010:clear_page_erms+0xb/0x20 arch/x86/lib/clear_page_64.S:52 Code: 48 8d 7f 40 75 d9 90 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa b9 00 10 00 00 31 c0 aa c3 cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 90 RSP: 0018:ffffc90003f4ec78 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000001000 RDX: ffff88805fa41000 RSI: 0000000000000001 RDI: ffff88805fa41000 RBP: ffffea00017e9040 R08: ffffffff905fcf77 R09: 0000000000000000 R10: ffffed100bf48200 R11: fffffbfff20bf9ef R12: 0000000000000000 R13: 0000000000000001 R14: 0000000000000001 R15: ffffea00017e9040 FS: 0000000000000000(0000) GS:ffff888124f99000(0063) knlGS:0000000056aa3440 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: ffff88805fa41000 CR3: 0000000066642000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 48 8d 7f 40 lea 0x40(%rdi),%rdi 4: 75 d9 jne 0xffffffdf 6: 90 nop 7: c3 ret 8: cc int3 9: cc int3 a: cc int3 b: cc int3 c: 0f 1f 00 nopl (%rax) f: 90 nop 10: 90 nop 11: 90 nop 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop 16: 90 nop 17: 90 nop 18: 90 nop 19: 90 nop 1a: 90 nop 1b: 90 nop 1c: 90 nop 1d: 90 nop 1e: 90 nop 1f: f3 0f 1e fa endbr64 23: b9 00 10 00 00 mov $0x1000,%ecx 28: 31 c0 xor %eax,%eax * 2a: f3 aa rep stos %al,%es:(%rdi) <-- trapping instruction 2c: c3 ret 2d: cc int3 2e: cc int3 2f: cc int3 30: cc int3 31: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) 38: 00 00 00 3b: 0f 1f 40 00 nopl 0x0(%rax) 3f: 90 nop