BUG: unable to handle page fault for address: ffff888034d73000 #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD 1ae01067 P4D 1ae01067 PUD 1ae02067 PMD 7c2e7063 PTE 800fffffcb28c060 Oops: Oops: 0002 [#1] PREEMPT SMP KASAN NOPTI CPU: 1 UID: 0 PID: 5800 Comm: syz-executor Not tainted 6.13.0-rc1-syzkaller-00182-gb8f52214c61a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:clear_page_erms+0xb/0x20 arch/x86/lib/clear_page_64.S:50 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 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 90 RSP: 0018:ffffc900043bf180 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000001000 RDX: ffffea0000d35cc0 RSI: ffff888000000000 RDI: ffff888034d73000 RBP: ffffea0000d35cc0 R08: 0000160000000000 R09: 0000000000000000 R10: ffffed10069ae600 R11: dffffc0000000000 R12: 0000000000000000 R13: ffffea0000d35d00 R14: 0000000000000001 R15: 0000000000000000 FS: 00005555802d0500(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff888034d73000 CR3: 0000000028aec000 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:242 [inline] kernel_init_pages mm/page_alloc.c:1040 [inline] post_alloc_hook+0x1a3/0x350 mm/page_alloc.c:1554 prep_new_page mm/page_alloc.c:1564 [inline] get_page_from_freelist+0xfce/0x2f80 mm/page_alloc.c:3474 __alloc_pages_noprof+0x223/0x25b0 mm/page_alloc.c:4751 alloc_pages_mpol_noprof+0x2c9/0x610 mm/mempolicy.c:2265 get_free_pages_noprof+0xc/0x40 mm/page_alloc.c:4798 poll_get_entry fs/select.c:168 [inline] __pollwait+0x291/0x4c0 fs/select.c:223 poll_wait include/linux/poll.h:45 [inline] pipe_poll+0x4a7/0x8a0 fs/pipe.c:673 vfs_poll include/linux/poll.h:84 [inline] select_poll_one fs/select.c:480 [inline] do_select+0xd88/0x17e0 fs/select.c:536 core_sys_select+0x459/0xb80 fs/select.c:677 do_pselect.constprop.0+0x1a0/0x1f0 fs/select.c:759 __do_sys_pselect6 fs/select.c:802 [inline] __se_sys_pselect6 fs/select.c:793 [inline] __x64_sys_pselect6+0x183/0x240 fs/select.c:793 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8c37b7fc9c Code: 29 44 24 30 80 3d bb 18 19 00 00 4c 89 4c 24 40 4c 8d 4c 24 40 48 c7 44 24 48 08 00 00 00 74 2e 4c 89 ea b8 0e 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7c 48 8b 54 24 58 64 48 2b 14 25 28 00 00 00 RSP: 002b:00007ffc76c3df30 EFLAGS: 00000202 ORIG_RAX: 000000000000010e RAX: ffffffffffffffda RBX: 00007ffc76c3e050 RCX: 00007f8c37b7fc9c RDX: 0000000000000000 RSI: 00007ffc76c3e050 RDI: 0000000000000023 RBP: 00007ffc76c3e4a0 R08: 00007ffc76c3df60 R09: 00007ffc76c3df70 R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc76c3e0e0 R13: 0000000000000000 R14: 00007ffc76c3e370 R15: 585858582e7a7973 Modules linked in: CR2: ffff888034d73000 ---[ end trace 0000000000000000 ]--- RIP: 0010:clear_page_erms+0xb/0x20 arch/x86/lib/clear_page_64.S:50 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 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 90 RSP: 0018:ffffc900043bf180 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000001000 RDX: ffffea0000d35cc0 RSI: ffff888000000000 RDI: ffff888034d73000 RBP: ffffea0000d35cc0 R08: 0000160000000000 R09: 0000000000000000 R10: ffffed10069ae600 R11: dffffc0000000000 R12: 0000000000000000 R13: ffffea0000d35d00 R14: 0000000000000001 R15: 0000000000000000 FS: 00005555802d0500(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff888034d73000 CR3: 0000000028aec000 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 66 2e 0f 1f 84 00 data16 cs nopw 0x0(%rax,%rax,1) 38: 00 00 00 00 3c: 0f 1f 00 nopl (%rax) 3f: 90 nop