------------[ cut here ]------------ kernel BUG at mm/rmap.c:2330! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 4289 Comm: syz-executor.0 Not tainted 5.17.0-rc5-next-20220222-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:hugepage_add_anon_rmap+0x1f5/0x240 mm/rmap.c:2330 Code: 89 ef e8 6e ad f8 ff 0f 0b e8 77 b2 c4 ff 48 83 eb 01 e9 a6 fe ff ff e8 69 b2 c4 ff 48 83 eb 01 e9 ff fe ff ff e8 5b b2 c4 ff <0f> 0b e8 54 b2 c4 ff 0f 0b e8 4d b2 c4 ff 49 8d 6c 24 ff eb b4 48 RSP: 0018:ffffc9000fa8f9b8 EFLAGS: 00010216 RAX: 0000000000002b78 RBX: 0000000000000000 RCX: ffffc90003bd1000 RDX: 0000000000040000 RSI: ffffffff81b47f75 RDI: 0000000000000003 RBP: ffffea0001008040 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff81b47eab R11: 0000000000000000 R12: ffff88801e231210 R13: 0000000020400000 R14: ffff8880738f8700 R15: 0000000000000000 FS: 00007f1a19594700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f33cc0df300 CR3: 000000001ca70000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: remove_migration_pte+0x5fd/0xc50 mm/migrate.c:234 rmap_walk_anon+0x44b/0x9e0 mm/rmap.c:2236 rmap_walk+0x92/0xd0 mm/rmap.c:2302 remove_migration_ptes mm/migrate.c:271 [inline] unmap_and_move_huge_page mm/migrate.c:1259 [inline] migrate_pages+0x1709/0x4030 mm/migrate.c:1379 do_mbind mm/mempolicy.c:1334 [inline] kernel_mbind+0x4d7/0x7d0 mm/mempolicy.c:1481 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f1a18489059 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f1a19594168 EFLAGS: 00000246 ORIG_RAX: 00000000000000ed RAX: ffffffffffffffda RBX: 00007f1a1859c030 RCX: 00007f1a18489059 RDX: 0000000000000000 RSI: 0000000000800000 RDI: 0000000020001000 RBP: 00007f1a184e308d R08: 0000000000000000 R09: 0000000000000002 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe5da8cc9f R14: 00007f1a19594300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:hugepage_add_anon_rmap+0x1f5/0x240 mm/rmap.c:2330 Code: 89 ef e8 6e ad f8 ff 0f 0b e8 77 b2 c4 ff 48 83 eb 01 e9 a6 fe ff ff e8 69 b2 c4 ff 48 83 eb 01 e9 ff fe ff ff e8 5b b2 c4 ff <0f> 0b e8 54 b2 c4 ff 0f 0b e8 4d b2 c4 ff 49 8d 6c 24 ff eb b4 48 RSP: 0018:ffffc9000fa8f9b8 EFLAGS: 00010216 RAX: 0000000000002b78 RBX: 0000000000000000 RCX: ffffc90003bd1000 RDX: 0000000000040000 RSI: ffffffff81b47f75 RDI: 0000000000000003 RBP: ffffea0001008040 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff81b47eab R11: 0000000000000000 R12: ffff88801e231210 R13: 0000000020400000 R14: ffff8880738f8700 R15: 0000000000000000 FS: 00007f1a19594700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f33cc0df300 CR3: 000000001ca70000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400