------------[ cut here ]------------ WARNING: CPU: 1 PID: 7542 at kernel/bpf/cgroup.c:899 bpf_cgroup_link_release.part.0+0x147/0x180 kernel/bpf/cgroup.c:899 Modules linked in: CPU: 0 PID: 7542 Comm: syz-executor.5 Not tainted 5.18.0-rc2-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:899 Code: ff ff 5b 5d 41 5c e9 a8 95 e2 ff e8 a3 95 e2 ff 48 c7 c7 e0 45 dc 8b e8 37 fe ca 07 5b 5d 41 5c e9 8e 95 e2 ff e8 89 95 e2 ff <0f> 0b e9 45 ff ff ff e8 bd 2e 2e 00 e9 18 ff ff ff e8 b3 2e 2e 00 RSP: 0018:ffffc900050e7cb8 EFLAGS: 00010246 RAX: 0000000000040000 RBX: ffff888023213c00 RCX: ffffc900057aa000 RDX: 0000000000040000 RSI: ffffffff81968617 RDI: 0000000000000003 RBP: 00000000fffffff4 R08: 0000000000000000 R09: ffffffff8bed9273 R10: ffffffff8196855b R11: 0000000000000000 R12: ffff888023213c68 R13: ffff888023213c00 R14: ffffffff819686a0 R15: ffffc900050e7de8 FS: 00007fb255927700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f34490e0888 CR3: 0000000032a19000 CR4: 0000000000350ee0 Call Trace: 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:4422 [inline] __sys_bpf+0x2336/0x55d0 kernel/bpf/syscall.c:4752 __do_sys_bpf kernel/bpf/syscall.c:4767 [inline] __se_sys_bpf kernel/bpf/syscall.c:4765 [inline] __x64_sys_bpf+0x75/0xb0 kernel/bpf/syscall.c:4765 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: 0033:0x7fb254889049 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:00007fb255927168 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007fb25499bf60 RCX: 00007fb254889049 RDX: 0000000000000004 RSI: 0000000020000180 RDI: 0000000000000022 RBP: 00007fb2559271d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffeb2607a9f R14: 00007fb255927300 R15: 0000000000022000