madvise_vma_behavior mm/madvise.c:1015 [inline]
 madvise_walk_vmas mm/madvise.c:1240 [inline]
 do_madvise+0x7d3/0x2000 mm/madvise.c:1419
 __do_sys_madvise mm/madvise.c:1432 [inline]
 __se_sys_madvise mm/madvise.c:1430 [inline]
 __x64_sys_madvise+0xa2/0xb0 mm/madvise.c:1430
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
------------[ cut here ]------------
WARNING: CPU: 0 PID: 100 at mm/huge_memory.c:2465 __split_huge_page_tail+0x81c/0x1080 mm/huge_memory.c:2465
Modules linked in:
CPU: 0 PID: 100 Comm: kswapd0 Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
RIP: 0010:__split_huge_page_tail+0x81c/0x1080 mm/huge_memory.c:2465
Code: ff ff e8 c7 9c a6 ff 48 ff cb e9 1a fd ff ff e8 ba 9c a6 ff 4c 89 ef 48 c7 c6 80 5d bb 8a e8 6b f0 e3 ff c6 05 d0 17 30 0c 01 <0f> 0b e9 cb fb ff ff 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c 29 f8 ff
RSP: 0018:ffffc900015873c8 EFLAGS: 00010046
RAX: 43e31a4fd0248100 RBX: 1ffffd400050a245 RCX: ffffffff8169265b
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8e278328
RBP: ffffea0002850008 R08: dffffc0000000000 R09: fffffbfff1c4f066
R10: fffffbfff1c4f066 R11: 1ffffffff1c4f065 R12: ffffea0002851200
R13: ffffea0002850000 R14: 1ffffd400050a001 R15: ffffea0002851228
FS:  0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f81d6bff000 CR3: 0000000022315000 CR4: 00000000003506f0
Call Trace:
 <TASK>
 __split_huge_page+0x403/0x1df0 mm/huge_memory.c:2527
 split_huge_page_to_list+0x101d/0x1c90 mm/huge_memory.c:2756
 split_huge_page include/linux/huge_mm.h:188 [inline]
 deferred_split_scan+0x683/0x8b0 mm/huge_memory.c:2882
 do_shrink_slab+0x4e1/0xa00 mm/vmscan.c:842
 shrink_slab+0x1e6/0x340 mm/vmscan.c:1002
 shrink_node_memcgs+0x3c3/0x770 mm/vmscan.c:6076
 shrink_node+0x299/0x1050 mm/vmscan.c:6105
 kswapd_shrink_node mm/vmscan.c:6894 [inline]
 balance_pgdat+0xf32/0x1cd0 mm/vmscan.c:7084
 kswapd+0x2d5/0x590 mm/vmscan.c:7344
 kthread+0x266/0x300 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>