RBP: 00007fefdb7461d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffdb8d7138f R14: 00007fefdb746300 R15: 0000000000022000 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 26992 at kernel/bpf/cgroup.c:899 bpf_cgroup_link_release.part.0+0x2d1/0x3d0 kernel/bpf/cgroup.c:899 Modules linked in: CPU: 1 PID: 26992 Comm: syz-executor.4 Not tainted 5.16.0-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: 3c d4 70 07 e9 b1 fe ff ff e8 2b 07 e3 ff 48 c7 c7 20 64 bc 8b e8 0f 12 b6 07 5b 5d 41 5c 41 5d e9 14 07 e3 ff e8 0f 07 e3 ff <0f> 0b e9 bd fd ff ff e8 93 65 2a 00 e9 19 fe ff ff e8 89 65 2a 00 RSP: 0018:ffffc90002b0fc70 EFLAGS: 00010246 RAX: 0000000000040000 RBX: ffff88806cb57500 RCX: ffffc9000e738000 RDX: 0000000000040000 RSI: ffffffff81946fe1 RDI: 0000000000000003 RBP: 00000000fffffff4 R08: 0000000000000000 R09: ffffffff8bcd2313 R10: ffffffff81946d9d R11: 0000000000000000 R12: ffff88806cb57568 R13: ffff88806cb57500 R14: ffffffff81947130 R15: ffffc90002b0fde8 FS: 00007fefdb746700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000006d57b000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 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:4393 [inline] __sys_bpf+0x2516/0x5970 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+0x75/0xb0 kernel/bpf/syscall.c:4736 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: 0033:0x7fefdcdd0fe9 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:00007fefdb746168 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007fefdcee3f60 RCX: 00007fefdcdd0fe9 RDX: 0000000000000004 RSI: 0000000020000040 RDI: 0000000000000022 RBP: 00007fefdb7461d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffdb8d7138f R14: 00007fefdb746300 R15: 0000000000022000