R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000002
R13: 0000000000000000 R14: 00007f28f27b5fa0 R15: 00007f28f28dfa28
 </TASK>
------------[ cut here ]------------
page_counter underflow: -1536 nr_pages=1536
WARNING: CPU: 0 PID: 14227 at mm/page_counter.c:61 page_counter_cancel+0xef/0x110 mm/page_counter.c:60
Modules linked in:
CPU: 0 UID: 0 PID: 14227 Comm: syz.1.2550 Not tainted 6.15.0-rc4-syzkaller-00021-gca91b9500108 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025
RIP: 0010:page_counter_cancel+0xef/0x110 mm/page_counter.c:60
Code: 41 5e 41 5f c3 cc cc cc cc cc e8 7c 79 97 ff c6 05 f0 7c 40 0d 01 90 48 c7 c7 40 f0 77 8b 4c 89 f6 4c 89 fa e8 32 d7 5b ff 90 <0f> 0b 90 90 e9 67 ff ff ff 44 89 f9 80 e1 07 38 c1 7c a1 4c 89 ff
RSP: 0018:ffffc9000b9f7728 EFLAGS: 00010246
RAX: 67fbd1524167b100 RBX: ffff88814c826380 RCX: ffff88802f4cbc00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
RBP: ffff888077940120 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bba4b4 R12: dffffc0000000000
R13: ffff88814c826380 R14: fffffffffffffa00 R15: 0000000000000600
FS:  0000000000000000(0000) GS:ffff8881260cc000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb2f9ef9440 CR3: 000000000dd36000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 page_counter_uncharge+0x2e/0x80 mm/page_counter.c:184
 hugetlb_cgroup_uncharge_counter+0xc7/0x120 mm/hugetlb_cgroup.c:427
 hugetlb_vm_op_close+0x4cc/0x6d0 mm/hugetlb.c:5390
 vma_close mm/internal.h:190 [inline]
 remove_vma+0x88/0x130 mm/vma.c:426
 exit_mmap+0x593/0xba0 mm/mmap.c:1309
 __mmput+0x118/0x420 kernel/fork.c:1379
 exit_mm+0x1da/0x2c0 kernel/exit.c:589
 do_exit+0x859/0x2550 kernel/exit.c:940
 do_group_exit+0x21c/0x2d0 kernel/exit.c:1102
 get_signal+0x125e/0x1310 kernel/signal.c:3034
 arch_do_signal_or_restart+0x95/0x780 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:329 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x8b/0x120 kernel/entry/common.c:218
 do_syscall_64+0x103/0x210 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f28f258e969
Code: Unable to access opcode bytes at 0x7f28f258e93f.
RSP: 002b:00007f28f33400e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f28f27b5fa8 RCX: 00007f28f258e969
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f28f27b5fa8
RBP: 00007f28f27b5fa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f28f27b5fac
R13: 0000000000000000 R14: 00007f28f28df940 R15: 00007f28f28dfa28
 </TASK>