igt@kms_pipe_crc_basic@nonblocking-crc* - incomplete - UBSAN: array-index-out-of-bounds in drivers/gpu/drm/display/drm_dp_mst_topology.c*
<7> [211.502077] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes [drm_kms_helper]] [CONNECTOR:277:DP-3] disconnected
<7> [211.502098] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes [drm_kms_helper]] [CONNECTOR:286:DP-4]
<7> [211.502108] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:286:DP-4]
<7> [211.502448] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes [drm_kms_helper]] [CONNECTOR:286:DP-4] disconnected
<7> [211.502468] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes [drm_kms_helper]] [CONNECTOR:295:DP-5]
<7> [211.502478] i915 0000:00:02.0: [drm:intel_dp_detect [i915]] [CONNECTOR:295:DP-5]
<7> [211.502737] i915 0000:00:02.0: [drm:drm_helper_probe_single_connector_modes [drm_kms_helper]] [CONNECTOR:295:DP-5] disconnected
<6> [211.503265] [IGT] kms_pipe_crc_basic: starting subtest nonblocking-crc
<4> [211.503603] ------------[ cut here ]------------
<3> [211.503605] UBSAN: array-index-out-of-bounds in drivers/gpu/drm/display/drm_dp_mst_topology.c:789:25
<3> [211.503612] index -1 is out of range for type 'u8 [48]'
<4> [211.503616] CPU: 5 UID: 0 PID: 194 Comm: kworker/u88:2 Not tainted 6.12.0-CI_DRM_15750-g241f1fd26b38+ #1
<4> [211.503619] Hardware name: Intel Corporation Meteor Lake Client Platform/MTL-P DDR5 SODIMM SBS RVP, BIOS MTLPFWI1.R00.3471.D89.2401091901 01/09/2024
<4> [211.503621] Workqueue: i915-dp i915_digport_work_func [i915]
<4> [211.503774] Call Trace:
<4> [211.503776] <TASK>
<4> [211.503778] dump_stack_lvl+0xc1/0xf0
<4> [211.503786] dump_stack+0x10/0x20
<4> [211.503788] __ubsan_handle_out_of_bounds+0x96/0xd0
<4> [211.503795] drm_dp_sideband_append_payload+0x33d/0x350 [drm_display_helper]
<4> [211.503806] drm_dp_get_one_sb_msg+0x3e4/0x610 [drm_display_helper]
<4> [211.503818] drm_dp_mst_hpd_irq_handle_event+0xc8/0x1580 [drm_display_helper]
<4> [211.503827] ? __drm_dev_vprintk+0x43/0x100
<4> [211.503830] ? __drm_dev_dbg+0xaa/0xe0
<4> [211.503834] intel_dp_hpd_pulse+0x217/0x660 [i915]
<4> [211.503978] i915_digport_work_func+0xc9/0x170 [i915]
<4> [211.504128] process_one_work+0x21c/0x740
<4> [211.504137] worker_thread+0x1db/0x3c0
<4> [211.504141] ? __pfx_worker_thread+0x10/0x10
<4> [211.504144] kthread+0xf3/0x130
<4> [211.504147] ? __pfx_kthread+0x10/0x10
<4> [211.504150] ret_from_fork+0x44/0x70
<4> [211.504154] ? __pfx_kthread+0x10/0x10
<4> [211.504157] ret_from_fork_asm+0x1a/0x30
<4> [211.504165] </TASK>
<4> [211.504167] ---[ end trace ]---
<4> [211.504168] ------------[ cut here ]------------
<4> [211.504170] memcpy: detected field-spanning write (size 18446744073709551615) of single field "&msg->msg[msg->curlen]" at drivers/gpu/drm/display/drm_dp_mst_topology.c:794 (size 256)
<4> [211.504215] WARNING: CPU: 5 PID: 194 at drivers/gpu/drm/display/drm_dp_mst_topology.c:794 drm_dp_sideband_append_payload+0x324/0x350 [drm_display_helper]
<4> [211.504232] Modules linked in: vgem snd_hda_codec_hdmi snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hda_core snd_hwdep snd_pcm snd_timer snd soundcore i915 prime_numbers ttm drm_display_helper cec rc_core drm_buddy i2c_algo_bit hid_sensor_custom intel_uncore_frequency hid_sensor_hub intel_uncore_frequency_common x86_pkg_temp_thermal intel_powerclamp hid_generic coretemp kvm_intel intel_ishtp_hid hid kvm crct10dif_pclmul crc32_pclmul cmdlinepart polyval_clmulni polyval_generic ghash_clmulni_intel sha256_ssse3 spd5118 sha1_ssse3 aesni_intel spi_nor mei_gsc_proxy crypto_simd mtd cryptd processor_thermal_device_pci processor_thermal_device processor_thermal_wt_hint rapl intel_rapl_msr wmi_bmof intel_cstate i2c_i801 processor_thermal_rfim intel_vpu mei_me processor_thermal_rapl i2c_mux drm_shmem_helper spi_intel_pci intel_ish_ipc idma64 i2c_smbus intel_rapl_common processor_thermal_wt_req e1000e ucsi_acpi mei spi_intel intel_ishtp drm_kms_helper thunderbolt processor_thermal_power_floor typec_ucsi
<4> [211.504362] processor_thermal_mbox igen6_edac typec nls_iso8859_1 intel_skl_int3472_tps68470 video tps68470_regulator clk_tps68470 int3403_thermal int340x_thermal_zone intel_pmc_core intel_skl_int3472_discrete acpi_tad wmi intel_vsec intel_skl_int3472_common intel_hid pmt_telemetry int3400_thermal pinctrl_meteorlake acpi_pad pmt_class acpi_thermal_rel sparse_keymap smsc75xx usbnet mii dm_multipath msr nvme_fabrics fuse efi_pstore nfnetlink ip_tables x_tables
<4> [211.504413] CPU: 5 UID: 0 PID: 194 Comm: kworker/u88:2 Not tainted 6.12.0-CI_DRM_15750-g241f1fd26b38+ #1
<4> [211.504416] Hardware name: Intel Corporation Meteor Lake Client Platform/MTL-P DDR5 SODIMM SBS RVP, BIOS MTLPFWI1.R00.3471.D89.2401091901 01/09/2024
<6> [211.504447] [IGT] kms_pipe_crc_basic: starting dynamic subtest pipe-A-eDP-1
<4> [211.504419] Workqueue: i915-dp i915_digport_work_func [i915]
<4> [211.504551] RIP: 0010:drm_dp_sideband_append_payload+0x324/0x350 [drm_display_helper]
<4> [211.504560] Code: 66 89 54 18 fe e9 6d fe ff ff 4c 89 e9 48 c7 c2 20 2e a7 a0 48 89 de 48 c7 c7 78 2a a7 a0 c6 05 dc 8a 01 00 01 e8 3c 2b 6d e0 <0f> 0b e9 6d ff ff ff 48 89 de 48 c7 c7 40 0b a5 a0 88 45 d0 e8 b3
<4> [211.504562] RSP: 0018:ffffc90000847bc8 EFLAGS: 00010246
<4> [211.504564] RAX: 0000000000000000 RBX: ffffffffffffffff RCX: 0000000000000000
<4> [211.504565] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
<4> [211.504567] RBP: ffffc90000847c00 R08: 0000000000000000 R09: 0000000000000000