------------[ cut here ]------------
WARNING: CPU: 1 PID: 12821 at arch/x86/mm/pat.c:1065 untrack_pfn+0x222/0x370 arch/x86/mm/pat.c:1064
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 12821 Comm: syz-executor.3 Not tainted 5.4.0-rc1+ #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1d8/0x2f8 lib/dump_stack.c:113
 panic+0x25c/0x799 kernel/panic.c:220
 __warn+0x20e/0x210 kernel/panic.c:581
 report_bug+0x1b6/0x2f0 lib/bug.c:195
 fixup_bug arch/x86/kernel/traps.c:179 [inline]
 do_error_trap+0xd7/0x440 arch/x86/kernel/traps.c:272
 do_invalid_op+0x36/0x40 arch/x86/kernel/traps.c:291
 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1028
RIP: 0010:untrack_pfn+0x222/0x370 arch/x86/mm/pat.c:1064
Code: 4d b0 4c 8d 45 b8 4c 89 ff 31 d2 e8 e8 c5 68 00 41 89 c6 31 ff 89 c6 e8 5c fa 3c 00 45 85 f6 0f 84 af 00 00 00 e8 ae f6 3c 00 <0f> 0b eb 63 e8 a5 f6 3c 00 48 b8 00 00 00 00 00 fc ff df 48 89 c1
RSP: 0018:ffff8880a03af9c0 EFLAGS: 00010246
RAX: ffffffff81363bc2 RBX: 1ffff11014075f3b RCX: 0000000000040000
RDX: ffffc90005c9b000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffff8880a03afa20 R08: ffffffff81363bb4 R09: ffffed1014fe8382
R10: ffffed1014fe8382 R11: 0000000000000000 R12: 1ffff11009a4ee08
R13: 0000000000000000 R14: 00000000ffffffea R15: ffff88804d277040
 unmap_single_vma+0x1f4/0x2e0 mm/memory.c:1261
 unmap_vmas+0x163/0x2a0 mm/memory.c:1314
 exit_mmap+0x27b/0x530 mm/mmap.c:3161
 __mmput+0x120/0x3a0 kernel/fork.c:1079
 mmput kernel/fork.c:1100 [inline]
 dup_mm+0x31b/0x340 kernel/fork.c:1377
 copy_mm kernel/fork.c:1417 [inline]
 copy_process+0x22d6/0x5970 kernel/fork.c:2012
 _do_fork+0x13f/0x5b0 kernel/fork.c:2366
 __do_sys_clone kernel/fork.c:2521 [inline]
 __se_sys_clone kernel/fork.c:2502 [inline]
 __x64_sys_clone+0x1ec/0x230 kernel/fork.c:2502
 do_syscall_64+0xf7/0x1c0 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x459a59
Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 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 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f3c2aea4c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007f3c2aea4c90 RCX: 0000000000459a59
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3c2aea56d4
R13: 00000000004bff58 R14: 00000000004d2130 R15: 0000000000000007
Kernel Offset: disabled
Rebooting in 86400 seconds..