page_counter underflow: -1024 nr_pages=1536 WARNING: CPU: 1 PID: 28449 at mm/page_counter.c:56 page_counter_cancel+0xcf/0xe0 mm/page_counter.c:56 Modules linked in: CPU: 0 PID: 28449 Comm: syz-executor.2 Not tainted 5.19.0-rc4-next-20220628-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 RIP: 0010:page_counter_cancel+0xcf/0xe0 mm/page_counter.c:56 Code: c7 04 24 00 00 00 00 45 31 f6 eb 97 e8 2a 36 ae ff 4c 89 ea 48 89 ee 48 c7 c7 a0 55 da 89 c6 05 26 90 db 0b 01 e8 bb bb 67 07 <0f> 0b eb a8 4c 89 e7 e8 65 3b fa ff eb c7 0f 1f 00 41 56 41 55 49 RSP: 0018:ffffc9000b43fb28 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffff888146ce5268 RCX: 0000000000000000 RDX: ffff88801cf8d7c0 RSI: ffffffff81610608 RDI: fffff52001687f57 RBP: fffffffffffffc00 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000001 R12: ffff888146ce5268 R13: 0000000000000600 R14: 0000000000000000 R15: ffffffff90f8c958 FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c0327c5000 CR3: 00000000316ca000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: page_counter_uncharge+0x2e/0x60 mm/page_counter.c:159 hugetlb_cgroup_uncharge_counter+0xcc/0x3d0 mm/hugetlb_cgroup.c:432 hugetlb_vm_op_close+0x424/0x6b0 mm/hugetlb.c:4598 remove_vma+0x81/0x130 mm/mmap.c:187 exit_mmap+0x288/0x720 mm/mmap.c:3222 __mmput+0x128/0x4c0 kernel/fork.c:1180 mmput+0x5c/0x70 kernel/fork.c:1201 exit_mm kernel/exit.c:510 [inline] do_exit+0xa09/0x29f0 kernel/exit.c:782 do_group_exit+0xd2/0x2f0 kernel/exit.c:925 __do_sys_exit_group kernel/exit.c:936 [inline] __se_sys_exit_group kernel/exit.c:934 [inline] __x64_sys_exit_group+0x3a/0x50 kernel/exit.c:934 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x46/0xb0 RIP: 0033:0x7fbd1a289199 Code: Unable to access opcode bytes at RIP 0x7fbd1a28916f. RSP: 002b:00007fffb8a0cca8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 000000000000001e RCX: 00007fbd1a289199 RDX: 00007fbd1a23bddb RSI: ffffffffffffffb8 RDI: 0000000000000000 RBP: 0000000000000000 R08: 00007fbd1a3a0a08 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000001 R15: 00007fffb8a0cd90