netlink: 16 bytes leftover after parsing attributes in process `syz.2.633'. ------------[ cut here ]------------ WARNING: CPU: 0 PID: 8560 at mm/page_table_check.c:209 page_table_check_pte_flags mm/page_table_check.c:209 [inline] WARNING: CPU: 0 PID: 8560 at mm/page_table_check.c:209 __page_table_check_ptes_set+0x28d/0x3e0 mm/page_table_check.c:220 Modules linked in: CPU: 0 UID: 0 PID: 8560 Comm: syz.2.633 Not tainted 6.13.0-rc5-syzkaller-00004-gccb98ccef0e5 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:page_table_check_pte_flags mm/page_table_check.c:209 [inline] RIP: 0010:__page_table_check_ptes_set+0x28d/0x3e0 mm/page_table_check.c:220 Code: ff 48 83 fd 1d 74 1d e8 11 ef 91 ff 83 ed 1a bf 01 00 00 00 89 ee e8 42 f1 91 ff 83 fd 01 0f 87 64 fe ff ff e8 f4 ee 91 ff 90 <0f> 0b 90 e9 56 fe ff ff e8 e6 ee 91 ff 48 8b 1c 24 31 ff bd 01 00 RSP: 0018:ffffc90003be7440 EFLAGS: 00010287 RAX: 000000000005bf2e RBX: ffff888069289980 RCX: ffffc9000c8d1000 RDX: 0000000000080000 RSI: ffffffff820760cc RDI: 0000000000000005 RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000003 R12: 0000000000000001 R13: ffff888027d64440 R14: 0000000000000004 R15: 1ffff9200077ce8a FS: 0000000000000000(0000) GS:ffff88802b400000(0063) knlGS:00000000f50b6b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000f50e5da4 CR3: 00000000714dc000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: page_table_check_ptes_set include/linux/page_table_check.h:74 [inline] set_ptes include/linux/pgtable.h:288 [inline] try_to_migrate_one+0x1b3b/0x3310 mm/rmap.c:2308 rmap_walk_anon+0x2ca/0x710 mm/rmap.c:2646 rmap_walk mm/rmap.c:2724 [inline] rmap_walk mm/rmap.c:2719 [inline] try_to_migrate+0x2ba/0x300 mm/rmap.c:2374 migrate_folio_unmap mm/migrate.c:1328 [inline] migrate_pages_batch+0x9b5/0x3150 mm/migrate.c:1799 migrate_pages_sync+0x109/0x8f0 mm/migrate.c:1965 migrate_pages+0x1a46/0x21f0 mm/migrate.c:2074 do_mbind+0x6d2/0xe90 mm/mempolicy.c:1394 kernel_mbind+0x1e8/0x200 mm/mempolicy.c:1537 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline] __do_fast_syscall_32+0x73/0x120 arch/x86/entry/common.c:386 do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:411 entry_SYSENTER_compat_after_hwframe+0x84/0x8e RIP: 0023:0xf7f65579 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 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000f50b655c EFLAGS: 00000296 ORIG_RAX: 0000000000000112 RAX: ffffffffffffffda RBX: 0000000020001000 RCX: 0000000000800000 RDX: 0000000000000004 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ---------------- Code disassembly (best guess), 2 bytes skipped: 0: 10 06 adc %al,(%rsi) 2: 03 74 b4 01 add 0x1(%rsp,%rsi,4),%esi 6: 10 07 adc %al,(%rdi) 8: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi c: 10 08 adc %cl,(%rax) e: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi 1e: 00 51 52 add %dl,0x52(%rcx) 21: 55 push %rbp 22: 89 e5 mov %esp,%ebp 24: 0f 34 sysenter 26: cd 80 int $0x80 * 28: 5d pop %rbp <-- trapping instruction 29: 5a pop %rdx 2a: 59 pop %rcx 2b: c3 ret 2c: 90 nop 2d: 90 nop 2e: 90 nop 2f: 90 nop 30: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi 37: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi