------------[ cut here ]------------ kernel BUG at include/linux/swapops.h:197! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 30075 Comm: syz-executor.0 Not tainted 5.7.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:migration_entry_to_page include/linux/swapops.h:197 [inline] RIP: 0010:migration_entry_to_page include/linux/swapops.h:190 [inline] RIP: 0010:pmd_migration_entry_wait+0x5b4/0x660 mm/migrate.c:368 Code: 32 e8 10 9f c0 ff 48 c7 c6 e0 a4 35 88 4c 89 e7 e8 81 a1 ec ff 0f 0b e8 fa 9e c0 ff 4d 8d 66 ff e9 1c fe ff ff e8 ec 9e c0 ff <0f> 0b e8 e5 9e c0 ff 0f 0b e8 de 9e c0 ff 4c 8d 65 ff eb c3 48 89 RSP: 0000:ffffc90015fffc70 EFLAGS: 00010293 RAX: ffff8880544f4180 RBX: 0000000000000000 RCX: ffffffff81b29e18 RDX: 0000000000000000 RSI: ffffffff81b29fc4 RDI: 0000000000000001 RBP: ffffea0000d40080 R08: ffff8880544f4180 R09: fffff940001a8001 R10: ffffea0000d40007 R11: fffff940001a8000 R12: ffffea0000d40000 R13: 1ffff92002bfff90 R14: ffffea0001230f08 R15: ffff8880503e11e0 FS: 00007fdb7a134700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000200001c0 CR3: 00000000a703c000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __handle_mm_fault+0x1c0e/0x3c90 mm/memory.c:4327 handle_mm_fault+0x1a5/0x660 mm/memory.c:4382 do_user_addr_fault arch/x86/mm/fault.c:1464 [inline] do_page_fault+0x55b/0x13da arch/x86/mm/fault.c:1535 page_fault+0x39/0x40 arch/x86/entry/entry_64.S:1203 RIP: 0033:0x45ca35 Code: 00 00 00 66 90 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 0f 83 db b6 fb ff 66 2e 0f 1f 84 00 00 00 00 00 48 85 ff 41 57 4d 89 cf 41 56 41 RSP: 002b:00000000200001c0 EFLAGS: 00010217 RAX: 0000000000000000 RBX: 00000000004dabc0 RCX: 000000000045ca29 RDX: 0000000020000140 RSI: 00000000200001c0 RDI: 0000000000000000 RBP: 000000000078bfa0 R08: 0000000020000300 R09: 0000000000000000 R10: 00000000200002c0 R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000076 R14: 00000000004c331e R15: 00007fdb7a1346d4 Modules linked in: ---[ end trace 5096692b6266afca ]--- RIP: 0010:migration_entry_to_page include/linux/swapops.h:197 [inline] RIP: 0010:migration_entry_to_page include/linux/swapops.h:190 [inline] RIP: 0010:pmd_migration_entry_wait+0x5b4/0x660 mm/migrate.c:368 Code: 32 e8 10 9f c0 ff 48 c7 c6 e0 a4 35 88 4c 89 e7 e8 81 a1 ec ff 0f 0b e8 fa 9e c0 ff 4d 8d 66 ff e9 1c fe ff ff e8 ec 9e c0 ff <0f> 0b e8 e5 9e c0 ff 0f 0b e8 de 9e c0 ff 4c 8d 65 ff eb c3 48 89 RSP: 0000:ffffc90015fffc70 EFLAGS: 00010293 RAX: ffff8880544f4180 RBX: 0000000000000000 RCX: ffffffff81b29e18 RDX: 0000000000000000 RSI: ffffffff81b29fc4 RDI: 0000000000000001 RBP: ffffea0000d40080 R08: ffff8880544f4180 R09: fffff940001a8001 R10: ffffea0000d40007 R11: fffff940001a8000 R12: ffffea0000d40000 R13: 1ffff92002bfff90 R14: ffffea0001230f08 R15: ffff8880503e11e0 FS: 00007fdb7a134700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000200001c0 CR3: 00000000a703c000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400