------------[ cut here ]------------
trying to isolate tail page
WARNING: CPU: 0 PID: 357 at mm/vmscan.c:1801 isolate_lru_page+0x570/0x590 mm/vmscan.c:1801
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 357 Comm: syz-executor431 Not tainted 5.4.83-syzkaller-00108-g35d8dcbb1c64 #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+0x1dd/0x24e lib/dump_stack.c:118
 panic+0x285/0x750 kernel/panic.c:221
 __warn+0x1fd/0x200 kernel/panic.c:582
 report_bug+0x390/0x4d0 lib/bug.c:195
 fixup_bug arch/x86/kernel/traps.c:179 [inline]
 do_error_trap arch/x86/kernel/traps.c:272 [inline]
 do_invalid_op+0x6e/0x110 arch/x86/kernel/traps.c:291
 invalid_op+0x1e/0x30 arch/x86/entry/entry_64.S:1029
RIP: 0010:isolate_lru_page+0x570/0x590 mm/vmscan.c:1801
Code: ff 48 ff cd 48 89 eb e9 04 fd ff ff 48 ff cb 48 89 dd e9 5f fd ff ff e8 ae 5d e0 ff 48 c7 c7 09 b2 1c 85 31 c0 e8 80 0f b8 ff <0f> 0b 43 80 3c 2e 00 0f 85 e3 fa ff ff e9 e6 fa ff ff 0f 1f 40 00
RSP: 0018:ffff8881e8fc7778 EFLAGS: 00010246
RAX: bf8bbd8944e73c00 RBX: 0000000000000001 RCX: ffff8881e9bb3e00
RDX: 0000000000000000 RSI: 00000000000002c0 RDI: 0000000000000001
RBP: ffff8881e8fc78d8 R08: ffffffff814e320f R09: fffffbfff0bec005
R10: fffffbfff0bec005 R11: 0000000000000000 R12: ffffea0007a3c1c0
R13: dffffc0000000000 R14: 1ffffd4000f47839 R15: ffffea0007a3c1c8
 madvise_cold_or_pageout_pte_range+0x73b/0xa50 mm/madvise.c:454
 walk_pmd_range mm/pagewalk.c:53 [inline]
 walk_pud_range mm/pagewalk.c:112 [inline]
 walk_p4d_range mm/pagewalk.c:139 [inline]
 walk_pgd_range mm/pagewalk.c:166 [inline]
 __walk_page_range+0x6dc/0xa30 mm/pagewalk.c:261
 walk_page_range+0x286/0x570 mm/pagewalk.c:349
 madvise_pageout_page_range mm/madvise.c:520 [inline]
 madvise_pageout mm/madvise.c:556 [inline]
 madvise_vma mm/madvise.c:945 [inline]
 __do_sys_madvise mm/madvise.c:1127 [inline]
 __se_sys_madvise+0x14a6/0x2060 mm/madvise.c:1053
 do_syscall_64+0xcb/0x150 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x43ff59
Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 0f 83 bb 46 00 00 c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fff07b890a8 EFLAGS: 00000246 ORIG_RAX: 000000000000001c
RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043ff59
RDX: 0000000000000015 RSI: 0000000000600003 RDI: 0000000020000000
RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000020006000 R11: 0000000000000246 R12: 0000000000401800
R13: 0000000000401890 R14: 0000000000000000 R15: 0000000000000000
Kernel Offset: disabled
Rebooting in 86400 seconds..