------------[ cut here ]------------
page_counter underflow: -512 nr_pages=1024
WARNING: CPU: 1 PID: 5687 at mm/page_counter.c:60 page_counter_cancel+0x110/0x170 mm/page_counter.c:60
Modules linked in:
CPU: 1 UID: 0 PID: 5687 Comm: syz.2.96 Not tainted 6.12.0-rc1-syzkaller-00381-g2a130b7e1fcd #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:page_counter_cancel+0x110/0x170 mm/page_counter.c:60
Code: e8 15 23 98 ff 45 84 ed 75 24 e8 2b 21 98 ff c6 05 0c f2 10 0e 01 90 48 c7 c7 c0 9d 5c 8b 4c 89 e2 48 89 ee e8 71 a0 59 ff 90 <0f> 0b 90 90 e8 07 21 98 ff be 08 00 00 00 48 89 df e8 9a 71 f9 ff
RSP: 0018:ffffc90009b078c8 EFLAGS: 00010286
RAX: 0000000000000000 RBX: ffff888145739440 RCX: ffffffff814e38b9
RDX: ffff888065251e00 RSI: ffffffff814e38c6 RDI: 0000000000000001
RBP: fffffffffffffe00 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000400
R13: 0000000000000000 R14: 0000000000000002 R15: ffff888078cf0a28
FS:  0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055556db7d5c8 CR3: 0000000067352000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 page_counter_uncharge+0x32/0x70 mm/page_counter.c:182
 hugetlb_cgroup_uncharge_counter+0xd6/0x410 mm/hugetlb_cgroup.c:431
 hugetlb_vm_op_close+0x3fe/0x5b0 mm/hugetlb.c:5065
 remove_vma+0xa8/0x1a0 mm/vma.c:330
 exit_mmap+0x4e0/0xb30 mm/mmap.c:1888
 __mmput+0x12a/0x480 kernel/fork.c:1347
 mmput+0x62/0x70 kernel/fork.c:1369
 exit_mm kernel/exit.c:571 [inline]
 do_exit+0x9bf/0x2d70 kernel/exit.c:926
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
 get_signal+0x2658/0x26d0 kernel/signal.c:2917
 arch_do_signal_or_restart+0x90/0x7e0 arch/x86/kernel/signal.c:337
 exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x150/0x2a0 kernel/entry/common.c:218
 do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc85857dff9
Code: Unable to access opcode bytes at 0x7fc85857dfcf.
RSP: 002b:00007fc85938b0e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007fc858736060 RCX: 00007fc85857dff9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fc858736060
RBP: 00007fc858736058 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc858736064
R13: 0000000000000000 R14: 00007ffce227d360 R15: 00007ffce227d448
 </TASK>