------------[ cut here ]------------ WARNING: CPU: 1 PID: 14346 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: 14346 Comm: syz-executor.3 Not tainted 5.16.0-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+0x2d1/0x3d0 kernel/bpf/cgroup.c:899 Code: dc 84 6c 07 e9 b1 fe ff ff e8 8b 39 e3 ff 48 c7 c7 60 59 bc 8b e8 bf 96 b1 07 5b 5d 41 5c 41 5d e9 74 39 e3 ff e8 6f 39 e3 ff <0f> 0b e9 bd fd ff ff e8 c3 fa 29 00 e9 19 fe ff ff e8 b9 fa 29 00 RSP: 0018:ffffc9000287fcb0 EFLAGS: 00010246 RAX: 0000000000040000 RBX: ffff88801c275400 RCX: ffffc90010659000 RDX: 0000000000040000 RSI: ffffffff81947151 RDI: 0000000000000003 RBP: 00000000fffffff4 R08: 0000000000000000 R09: ffffffff8bccf713 R10: ffffffff81946f0d R11: 0000000000000000 R12: ffff88801c275468 R13: ffff88801c275400 R14: ffffffff819472a0 R15: ffffc9000287fe18 FS: 00007fadafd5b700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe52708ff8 CR3: 0000000039eda000 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:4392 [inline] __sys_bpf+0x2500/0x5980 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: 0033:0x7fadb27e5ae9 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:00007fadafd5b188 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007fadb28f8f60 RCX: 00007fadb27e5ae9 RDX: 0000000000000004 RSI: 0000000020000140 RDI: 0000000000000022 RBP: 00007fadafd5b1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffd4085f88f R14: 00007fadafd5b300 R15: 0000000000022000