------------[ cut here ]------------
WARNING: CPU: 1 PID: 26125 at kernel/bpf/cgroup.c:833 bpf_cgroup_link_release.part.0+0x147/0x180 kernel/bpf/cgroup.c:833
Modules linked in:
CPU: 1 PID: 26125 Comm: syz-executor.5 Not tainted 5.11.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:bpf_cgroup_link_release.part.0+0x147/0x180 kernel/bpf/cgroup.c:833
Code: ff ff 5b 5d 41 5c e9 38 5e e5 ff e8 33 5e e5 ff 48 c7 c7 a0 2c 3b 8b e8 c7 e0 6d 07 5b 5d 41 5c e9 1e 5e e5 ff e8 19 5e e5 ff <0f> 0b e9 45 ff ff ff e8 5d 1e 28 00 e9 18 ff ff ff e8 53 1e 28 00
RSP: 0018:ffffc90001bbfdf0 EFLAGS: 00010246
RAX: 0000000000040000 RBX: ffff888020ffb500 RCX: ffffc90013c6a000
RDX: 0000000000040000 RSI: ffffffff818d6bf7 RDI: 0000000000000003
RBP: 00000000fffffff4 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff818d6b3b R11: 0000000000000000 R12: ffff888020ffb568
R13: ffff888020ffb518 R14: ffffc90000ebc000 R15: ffff88802f222468
FS:  00007fb34378f700(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000004f1ff0 CR3: 0000000027cb0000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 bpf_cgroup_link_release+0x38/0x50 kernel/bpf/cgroup.c:822
 bpf_link_free+0xe6/0x1b0 kernel/bpf/syscall.c:2322
 bpf_link_put+0x15e/0x1b0 kernel/bpf/syscall.c:2348
 bpf_link_release+0x33/0x40 kernel/bpf/syscall.c:2356
 __fput+0x283/0x920 fs/file_table.c:280
 task_work_run+0xdd/0x190 kernel/task_work.c:140
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:174 [inline]
 exit_to_user_mode_prepare+0x249/0x250 kernel/entry/common.c:201
 __syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline]
 syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:302
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45e219
Code: 0d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fb34378ec68 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 000000000000000a RCX: 000000000045e219
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000009
RBP: 00007fb34378eca0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc80253acf R14: 00007fb34378f9c0 R15: 000000000119bf8c