------------[ cut here ]------------ WARNING: CPU: 1 PID: 22283 at kernel/bpf/cgroup.c:900 bpf_cgroup_link_release+0x157/0x1b0 kernel/bpf/cgroup.c:899 Modules linked in: CPU: 1 PID: 22283 Comm: syz-executor.5 Not tainted 5.17.0-rc3-syzkaller-00188-g1d41d2e82623 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:bpf_cgroup_link_release+0x157/0x1b0 kernel/bpf/cgroup.c:899 Code: d0 de ff 48 c7 c7 e0 3d b4 8c 5b 41 5c 41 5e 41 5f 5d e9 5c f7 6d 08 e8 27 d0 de ff 5b 41 5c 41 5e 41 5f 5d c3 e8 19 d0 de ff <0f> 0b 42 80 7c 25 00 00 0f 85 4e ff ff ff e9 51 ff ff ff 89 f9 80 RSP: 0018:ffffc90002b9f800 EFLAGS: 00010246 RAX: ffffffff81a6de47 RBX: ffff888041c63868 RCX: 0000000000040000 RDX: ffffc90002d61000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: 1ffff1100838c70d R08: ffffffff81a6dd8d R09: fffffbfff197f797 R10: fffffbfff197f797 R11: 0000000000000000 R12: dffffc0000000000 R13: 0000000000000000 R14: 00000000fffffff4 R15: ffff8880416cc000 FS: 00007f263c7ab700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8ec8610000 CR3: 000000001c697000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bpf_cgroup_link_detach+0x11/0x20 kernel/bpf/cgroup.c:920 link_detach kernel/bpf/syscall.c:4393 [inline] __sys_bpf+0x2bc0/0x12db0 kernel/bpf/syscall.c:4723 __do_sys_bpf kernel/bpf/syscall.c:4738 [inline] __se_sys_bpf kernel/bpf/syscall.c:4736 [inline] __x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:4736 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f263de36059 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:00007f263c7ab168 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f263df48f60 RCX: 00007f263de36059 RDX: 0000000000000004 RSI: 0000000020000140 RDI: 0000000000000022 RBP: 00007f263c7ab1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffd204173cf R14: 00007f263c7ab300 R15: 0000000000022000