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scx_cosmos: warning invalid op #3246

@hodgesds

Description

@hodgesds
[564525.351121] sched_ext: BPF scheduler "cosmos_1.0.6_g6931d6b3_dirty_x86_64_unknown_linux_gnu" enabled
[564530.846180] ------------[ cut here ]------------
[564530.850955] WARNING: CPU: 56 PID: 2323042 at kernel/sched/ext.c:2157 scx_bpf_dsq_insert+0x16b/0x1d0
[564530.860186] Modules linked in: squashfs(E) dummy(E) sunrpc(E) amd_hsmp(E) hsmp_common(E) vhost_net(E) tun(E) vhost(E) vhost_iotlb(E) tap(E) mpls_gso(E) mpls_iptunnel(E) mpls_router(E) bpf_preload(E) act_gact(E) tcp_diag(E) inet_diag(E) cls_bpf(E) sch_fq(E) fou(E) sg(E) ip6_tunnel(E) tunnel6(E) ipip(E) tunnel4(E) ip6t_REJECT(E) nf_reject_ipv6(E) ipt_REJECT(E) nf_reject_ipv4(E) xt_LOG(E) nf_log_syslog(E) xt_limit(E) xt_multiport(E) tls(E) amd_atl(E) kvm_amd(E) xt_comment(E) evdev(E) xhci_pci(E) kvm(E) xhci_hcd(E) ccp(E) i2c_piix4(E) i2c_smbus(E) wmi(E) button(E) sch_fq_codel(E) hpilo(E) ipmi_si(E) ipmi_devintf(E) ipmi_msghandler(E) drm(E) backlight(E) drm_panel_orientation_quirks(E) efivarfs(E) autofs4(E) megaraid_sas(E) mpt3sas(E) raid_class(E) scsi_transport_sas(E) raid456(E) async_raid6_recov(E) async_pq(E) async_xor(E) async_memcpy(E) async_tx(E) loop(E) dm_crypt(E) [last unloaded: ip6_tables(E)]
[564530.940390] CPU: 56 UID: 30083 PID: 2323042 Comm: cryptossl-tm.N3 Kdump: loaded Tainted: G            E       6.13.2-0_fbk9_hardened_0_gb487e362c3df #1
[564530.954164] Tainted: [E]=UNSIGNED_MODULE
[564530.958234] Hardware name: HPE ProLiant DL385 Gen11/ProLiant DL385 Gen11, BIOS 2.82 10/03/2025
[564530.967029] Sched_ext: cosmos_1.0.6_g6931d6b3_dirty_x86_64_unknown_linux_gnu (enabled+all), task: runnable_at=-121ms
[564530.967031] RIP: 0010:scx_bpf_dsq_insert+0x16b/0x1d0
[564530.982871] Code: 01 f0 ff ff 72 32 45 8b 81 a0 06 00 00 49 81 c1 88 08 00 00 bf 00 04 00 00 31 f6 48 c7 c2 a5 73 8e 82 4c 89 c9 e9 85 93 00 00 <0f> 0b e9 1a ff ff ff 0f 0b e9 21 ff ff ff 48 89 d1 48 81 c1 88 08
[564531.001885] RSP: 0018:ffffc900c887bcf0 EFLAGS: 00010013
[564531.007271] RAX: 0000000000000000 RBX: 0000000000000300 RCX: 0000000000000000
[564531.014574] RDX: ffff889df4206300 RSI: 8000000000000002 RDI: ffff889df4206300
[564531.021880] RBP: ffffc900c887bd28 R08: 000000000000000c R09: ffff889df4206300
[564531.029193] R10: 0000000000000000 R11: 0000000000000064 R12: ffff88b4d6fbca40
[564531.036505] R13: ffff889df4206300 R14: 0000000000000022 R15: 0000000000000195
[564531.043815] FS:  00007f3c272ff640(0000) GS:ffff88dfbe000000(0000) knlGS:0000000000000000
[564531.052086] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[564531.057992] CR2: 00007f0603593000 CR3: 0000001dfd482006 CR4: 0000000000770ef0
[564531.065305] PKRU: 55555554
[564531.068159] Call Trace:
[564531.070743]  <TASK>
[564531.072985]  ? __warn+0xa4/0x140
[564531.076357]  ? scx_bpf_dsq_insert+0x16b/0x1d0
[564531.080884]  ? report_bug+0xe6/0x140
[564531.084615]  ? handle_bug+0x63/0xa0
[564531.088261]  ? exc_invalid_op+0x16/0x50
[564531.092254]  ? asm_exc_invalid_op+0x16/0x20
[564531.096604]  ? scx_bpf_dsq_insert+0x16b/0x1d0
[564531.101126]  bpf_prog_e40cff16f87ad2ab_cosmos_select_cpu+0xf0/0x10a
[564531.107568]  bpf__sched_ext_ops_select_cpu+0x4b/0xb0
[564531.112696]  select_task_rq_scx.llvm.247119533633877695+0xb3/0x200
[564531.119053]  wake_up_q+0x128/0x15a0
[564531.122705]  ? timerqueue_del+0x46/0x80
[564531.126700]  futex_wake+0x1cc/0x2a0
[564531.130347]  __x64_sys_futex+0x97/0x390
[564531.134339]  ? syscall_exit_work+0x124/0x130
[564531.138773]  do_syscall_64+0x54/0xf0
[564531.142500]  ? irqentry_exit_to_user_mode+0x6e/0x170
[564531.147632]  entry_SYSCALL_64_after_hwframe+0x6c/0x74
[564531.152846] RIP: 0033:0x7f3d38f25649
[564531.156590] Code: e0 41 5c 5d c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 8b 0d 9f c7 0e 00 f7 d8 64 89 01 48
[564531.175607] RSP: 002b:00007f3c272f8768 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
[564531.183355] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3d38f25649
[564531.190663] RDX: 000000007fffffff RSI: 000000000000008a RDI: 00007f3d0e9f9228
[564531.197968] RBP: 00007f3c272f8780 R08: 0000000000000000 R09: 00000000ffffffff
[564531.205280] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3c1fc05800
[564531.212591] R13: 00007f3c272f8830 R14: 0000000000000010 R15: 00007f3bf9ea7000
[564531.219915]  </TASK>
[564531.222237] ---[ end trace 0000000000000000 ]---

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