------------[ cut here ]------------
WARNING: CPU: 0 PID: 23927 at kernel/bpf/cgroup.c:899 bpf_cgroup_link_release.part.0+0x2d1/0x3d0 kernel/bpf/cgroup.c:899
Modules linked in:
CPU: 0 PID: 23927 Comm: syz-executor.3 Not tainted 5.16.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:bpf_cgroup_link_release.part.0+0x2d1/0x3d0 kernel/bpf/cgroup.c:899
Code: 8c e7 70 07 e9 b1 fe ff ff e8 7b da e2 ff 48 c7 c7 20 64 bc 8b e8 5f 25 b6 07 5b 5d 41 5c 41 5d e9 64 da e2 ff e8 5f da e2 ff <0f> 0b e9 bd fd ff ff e8 73 66 2a 00 e9 19 fe ff ff e8 69 66 2a 00
RSP: 0018:ffffc90002a6fdc8 EFLAGS: 00010246
RAX: 0000000000040000 RBX: ffff88806b032200 RCX: ffffc9000fe41000
RDX: 0000000000040000 RSI: ffffffff81949c91 RDI: 0000000000000003
RBP: 00000000fffffff4 R08: 0000000000000000 R09: ffffffff8bcd2b33
R10: ffffffff81949a4d R11: 0000000000000000 R12: ffff88806b032268
R13: ffff88806b032218 R14: ffffc90001fce000 R15: ffff888015796920
FS:  00007f4c50e5c700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2ec25000 CR3: 000000006de81000 CR4: 00000000003506f0
DR0: 0000000020000540 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <TASK>
 bpf_cgroup_link_release+0x38/0x50 kernel/bpf/cgroup.c:888
 bpf_link_free+0xe6/0x1b0 kernel/bpf/syscall.c:2462
 bpf_link_put+0x161/0x1b0 kernel/bpf/syscall.c:2488
 bpf_link_release+0x33/0x40 kernel/bpf/syscall.c:2496
 __fput+0x286/0x9f0 fs/file_table.c:280
 task_work_run+0xdd/0x1a0 kernel/task_work.c:164
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:175 [inline]
 exit_to_user_mode_prepare+0x27e/0x290 kernel/entry/common.c:207
 __syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline]
 syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:300
 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f4c524e7059
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f4c50e5c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 00007f4c525f9f60 RCX: 00007f4c524e7059
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
RBP: 00007f4c50e5c1d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffeee096d2f R14: 00007f4c50e5c300 R15: 0000000000022000
 </TASK>