syzbot

------------[ cut here ]------------
WARNING: CPU: 0 PID: 10144 at mm/page_table_check.c:207 page_table_check_pte_flags mm/page_table_check.c:207 [inline]
WARNING: CPU: 0 PID: 10144 at mm/page_table_check.c:207 __page_table_check_ptes_set+0x2fa/0x3e0 mm/page_table_check.c:220
Modules linked in:
CPU: 0 UID: 0 PID: 10144 Comm: syz.0.1076 Not tainted 6.13.0-rc5-syzkaller-00163-gab75170520d4 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:page_table_check_pte_flags mm/page_table_check.c:207 [inline]
RIP: 0010:__page_table_check_ptes_set+0x2fa/0x3e0 mm/page_table_check.c:220
Code: e9 91 fe ff ff e8 16 9a 91 ff 48 8b 2c 24 31 ff 83 e5 02 48 89 ee e8 75 9c 91 ff 48 85 ed 0f 84 85 00 00 00 e8 f7 99 91 ff 90 <0f> 0b 90 e9 e9 fd ff ff e8 e9 99 91 ff eb 69 cc cc cc e8 df 99 91
RSP: 0018:ffffc90017aef4f8 EFLAGS: 00010287
RAX: 00000000000001bb RBX: ffff8880358df000 RCX: ffffc90005112000
RDX: 0000000000080000 RSI: ffffffff82087c19 RDI: 0000000000000007
RBP: 0000000000000002 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000003 R12: 0000000000000001
R13: ffff88807a74ce00 R14: 0000000000000001 R15: 1ffff92002f5dea1
FS:  00007fea3573c6c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f66cbd9db80 CR3: 0000000032ea0000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 page_table_check_ptes_set include/linux/page_table_check.h:74 [inline]
 set_ptes include/linux/pgtable.h:288 [inline]
 clear_young_dirty_ptes include/linux/pgtable.h:523 [inline]
 madvise_free_pte_range+0x912/0x1860 mm/madvise.c:775
 walk_pmd_range mm/pagewalk.c:130 [inline]
 walk_pud_range mm/pagewalk.c:226 [inline]
 walk_p4d_range mm/pagewalk.c:264 [inline]
 walk_pgd_range+0xc7b/0x1a70 mm/pagewalk.c:305
 __walk_page_range+0x161/0x820 mm/pagewalk.c:412
 walk_page_range_mm+0x55a/0x940 mm/pagewalk.c:505
 walk_page_range+0x63/0x90 mm/pagewalk.c:584
 madvise_free_single_vma+0x466/0x8d0 mm/madvise.c:823
 madvise_dontneed_free mm/madvise.c:937 [inline]
 madvise_vma_behavior+0x581/0x1da0 mm/madvise.c:1265
 madvise_walk_vmas+0x1cf/0x2c0 mm/madvise.c:1497
 do_madvise+0x30e/0x770 mm/madvise.c:1684
 __do_sys_madvise mm/madvise.c:1700 [inline]
 __se_sys_madvise mm/madvise.c:1698 [inline]
 __x64_sys_madvise+0xa9/0x110 mm/madvise.c:1698
 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: 0033:0x7fea34985d29
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fea3573c038 EFLAGS: 00000246 ORIG_RAX: 000000000000001c
RAX: ffffffffffffffda RBX: 00007fea34b75fa0 RCX: 00007fea34985d29
RDX: 0000000000000008 RSI: 0000000000600002 RDI: 0000000020000000
RBP: 00007fea34a01b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fea34b75fa0 R15: 00007ffc2ab9cd38
 </TASK>