------------[ cut here ]------------
WARNING: CPU: 0 PID: 19741 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: 19741 Comm: syz-executor.5 Not tainted 5.16.0-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+0x2d1/0x3d0 kernel/bpf/cgroup.c:899
Code: c8 2d 6e 07 e9 b1 fe ff ff e8 4b 02 e3 ff 48 c7 c7 20 5b bc 8b e8 ff 3f b3 07 5b 5d 41 5c 41 5d e9 34 02 e3 ff e8 2f 02 e3 ff <0f> 0b e9 bd fd ff ff e8 53 6b 2a 00 e9 19 fe ff ff e8 49 6b 2a 00
RSP: 0018:ffffc90002cdfc70 EFLAGS: 00010246
RAX: 0000000000040000 RBX: ffff8880794a5900 RCX: ffffc9001050f000
RDX: 0000000000040000 RSI: ffffffff8194a8c1 RDI: 0000000000000003
RBP: 00000000fffffff4 R08: 0000000000000000 R09: ffffffff8bcd2013
R10: ffffffff8194a67d R11: 0000000000000000 R12: ffff8880794a5968
R13: ffff8880794a5900 R14: ffffffff8194aa10 R15: ffffc90002cdfde8
FS:  00007fa78c694700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f62778c1998 CR3: 0000000051521000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 bpf_cgroup_link_release kernel/bpf/cgroup.c:888 [inline]
 bpf_cgroup_link_detach+0x38/0x50 kernel/bpf/cgroup.c:920
 link_detach kernel/bpf/syscall.c:4392 [inline]
 __sys_bpf+0x2516/0x5970 kernel/bpf/syscall.c:4722
 __do_sys_bpf kernel/bpf/syscall.c:4737 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:4735 [inline]
 __x64_sys_bpf+0x75/0xb0 kernel/bpf/syscall.c:4735
 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+0x44/0xae
RIP: 0033:0x7fa78dd1ee99
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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fa78c694168 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007fa78de31f60 RCX: 00007fa78dd1ee99
RDX: 0000000000000004 RSI: 0000000020000040 RDI: 0000000000000022
RBP: 00007fa78c6941d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffdcbcfb27f R14: 00007fa78c694300 R15: 0000000000022000
 </TASK>