------------[ cut here ]------------
WARNING: CPU: 1 PID: 6744 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: 6744 Comm: syz-executor.1 Not tainted 5.10.0-rc3-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 28 7c e5 ff e8 23 7c e5 ff 48 c7 c7 60 27 37 8b e8 c7 43 5d 07 5b 5d 41 5c e9 0e 7c e5 ff e8 09 7c e5 ff <0f> 0b e9 45 ff ff ff e8 4d 88 27 00 e9 18 ff ff ff e8 43 88 27 00
RSP: 0018:ffffc900017efde8 EFLAGS: 00010246
RAX: 0000000000040000 RBX: ffff88804e4e5a00 RCX: ffffc9000b15c000
RDX: 0000000000040000 RSI: ffffffff818a9dc7 RDI: 0000000000000005
RBP: 00000000fffffff4 R08: 0000000000000001 R09: ffffffff8b45b3d3
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88804e4e5a68
R13: ffff88804e4e5a18 R14: ffffc90000ca2000 R15: ffff888066f5cd38
FS:  00007fe14b5e3700(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f30ea77e020 CR3: 0000000037cce000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 bpf_cgroup_link_release+0x38/0x50 kernel/bpf/cgroup.c:822
 bpf_link_free+0xe6/0x1b0 kernel/bpf/syscall.c:2328
 bpf_link_put+0x15e/0x1b0 kernel/bpf/syscall.c:2354
 bpf_link_release+0x33/0x40 kernel/bpf/syscall.c:2362
 __fput+0x285/0x920 fs/file_table.c:281
 task_work_run+0xdd/0x190 kernel/task_work.c:151
 tracehook_notify_resume include/linux/tracehook.h:188 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:164 [inline]
 exit_to_user_mode_prepare+0x17e/0x1a0 kernel/entry/common.c:191
 syscall_exit_to_user_mode+0x38/0x260 kernel/entry/common.c:266
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45deb9
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:00007fe14b5e2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 00000000000020c0 RCX: 000000000045deb9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000008
RBP: 00007fe14b5e2ca0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffec107cc8f R14: 00007fe14b5e39c0 R15: 000000000118bf2c