From: kernel test robot <oliver.sang@intel.com>
To: "Michał Grzelak" <michal.grzelak@intel.com>
Cc: oe-lkp@lists.linux.dev, lkp@intel.com,
intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org,
ltp@lists.linux.it, "Jani Nikula" <jani.nikula@linux.intel.com>,
"Michał Grzelak" <michal.grzelak@intel.com>,
oliver.sang@intel.com
Subject: Re: [PATCH v1 15/16] drm/i915/bios: search for VBT #57 by default
Date: Wed, 15 Apr 2026 14:42:04 +0800 [thread overview]
Message-ID: <202604150702.d409a2b6-lkp@intel.com> (raw)
In-Reply-To: <20260331183332.1773886-16-michal.grzelak@intel.com>
Hello,
kernel test robot noticed "BUG:KASAN:slab-out-of-bounds_in_parse_vswing_preemph_snps" on:
commit: 07d1ee54da4966c1457602dc088a8a43b29254cb ("[PATCH v1 15/16] drm/i915/bios: search for VBT #57 by default")
url: https://github.com/intel-lab-lkp/linux/commits/Micha-Grzelak/drm-i915-lt-align-xe3plpd-with-VS-PE-Override-layout/20260401-092928
base: https://gitlab.freedesktop.org/drm/i915/kernel.git for-linux-next
patch link: https://lore.kernel.org/all/20260331183332.1773886-16-michal.grzelak@intel.com/
patch subject: [PATCH v1 15/16] drm/i915/bios: search for VBT #57 by default
in testcase: ltp
version:
with following parameters:
test: ima
config: x86_64-rhel-9.4-ltp
compiler: gcc-14
test machine: 22 threads 1 sockets Intel(R) Core(TM) Ultra 9 185H @ 4.5GHz (Meteor Lake) with 32G memory
(please refer to attached dmesg/kmsg for entire log/backtrace)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <oliver.sang@intel.com>
| Closes: https://lore.kernel.org/oe-lkp/202604150702.d409a2b6-lkp@intel.com
The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20260415/202604150702.d409a2b6-lkp@intel.com
kern :err : [ 27.966990] [ T399] ==================================================================
kern :err : [ 27.968126] [ T399] BUG: KASAN: slab-out-of-bounds in parse_vswing_preemph_snps+0x2dd/0x430 [i915]
kern :err : [ 27.969712] [ T399] Read of size 4 at addr ffff8881eba2c49d by task (udev-worker)/399
kern :err : [ 27.971135] [ T399] CPU: 4 UID: 0 PID: 399 Comm: (udev-worker) Tainted: G S 7.0.0-rc4-01496-g07d1ee54da49 #1 PREEMPT(lazy)
kern :err : [ 27.971139] [ T399] Tainted: [S]=CPU_OUT_OF_SPEC
kern :err : [ 27.971140] [ T399] Hardware name: ASUSTeK COMPUTER INC. NUC14RVS-B/NUC14RVSU9, BIOS RVMTL357.0047.2025.0108.1408 01/08/2025
kern :err : [ 27.971142] [ T399] Call Trace:
kern :err : [ 27.971144] [ T399] <TASK>
kern :err : [ 27.971145] [ T399] dump_stack_lvl+0x47/0x70
kern :err : [ 27.971152] [ T399] print_address_description+0x88/0x320
kern :err : [ 27.971156] [ T399] ? parse_vswing_preemph_snps+0x2dd/0x430 [i915]
kern :err : [ 27.971355] [ T399] print_report+0x106/0x1f4
kern :err : [ 27.971357] [ T399] ? __virt_addr_valid+0xc4/0x230
kern :err : [ 27.971360] [ T399] ? parse_vswing_preemph_snps+0x2dd/0x430 [i915]
kern :err : [ 27.971533] [ T399] kasan_report+0xb5/0xf0
kern :err : [ 27.971537] [ T399] ? parse_vswing_preemph_snps+0x2dd/0x430 [i915]
kern :err : [ 27.971704] [ T399] parse_vswing_preemph_snps+0x2dd/0x430 [i915]
kern :err : [ 27.971868] [ T399] intel_bios_init+0xcc1/0x14b0 [i915]
kern :err : [ 27.972042] [ T399] ? drm_vblank_init+0x147/0x330 [drm]
kern :err : [ 27.972105] [ T399] intel_display_driver_probe_noirq+0x8d/0x870 [i915]
kern :err : [ 27.972295] [ T399] i915_driver_probe+0x209/0x9f0 [i915]
kern :err : [ 27.972445] [ T399] ? __pfx_mutex_lock+0x10/0x10
kern :err : [ 27.972450] [ T399] ? mutex_lock+0x91/0xf0
kern :err : [ 27.972451] [ T399] ? __pfx_i915_driver_probe+0x10/0x10 [i915]
kern :err : [ 27.972597] [ T399] ? drm_privacy_screen_get+0x2bf/0x370 [drm]
kern :err : [ 27.972628] [ T399] ? intel_display_driver_probe_defer+0x41/0x70 [i915]
kern :err : [ 27.972814] [ T399] ? i915_pci_probe+0x2ab/0x3b0 [i915]
kern :err : [ 27.972963] [ T399] ? __pfx_i915_pci_probe+0x10/0x10 [i915]
kern :err : [ 27.973110] [ T399] local_pci_probe+0xdb/0x1b0
kern :err : [ 27.973114] [ T399] pci_call_probe+0x153/0x4f0
kern :err : [ 27.973116] [ T399] ? __pfx_pci_call_probe+0x10/0x10
kern :err : [ 27.973117] [ T399] ? __pfx__raw_spin_lock+0x10/0x10
kern :err : [ 27.973119] [ T399] ? pci_assign_irq+0x80/0x2f0
kern :err : [ 27.973121] [ T399] ? pci_match_device+0x38d/0x6b0
kern :err : [ 27.973123] [ T399] ? kernfs_create_link+0x164/0x230
kern :err : [ 27.973127] [ T399] pci_device_probe+0x173/0x2f0
kern :err : [ 27.973128] [ T399] call_driver_probe+0x62/0x1f0
kern :err : [ 27.973132] [ T399] really_probe+0x197/0x770
kern :err : [ 27.973134] [ T399] __driver_probe_device+0x18c/0x3b0
kern :err : [ 27.973137] [ T399] driver_probe_device+0x4a/0x130
kern :err : [ 27.973139] [ T399] __driver_attach+0x18c/0x4f0
kern :err : [ 27.973141] [ T399] ? __pfx___driver_attach+0x10/0x10
kern :err : [ 27.973143] [ T399] bus_for_each_dev+0xef/0x170
kern :err : [ 27.973145] [ T399] ? kasan_unpoison+0x40/0x70
kern :err : [ 27.973147] [ T399] ? __pfx_bus_for_each_dev+0x10/0x10
kern :err : [ 27.973149] [ T399] ? __kasan_slab_alloc+0x2f/0x70
kern :err : [ 27.973152] [ T399] ? klist_add_tail+0x132/0x270
kern :err : [ 27.973154] [ T399] bus_add_driver+0x2a7/0x4f0
kern :err : [ 27.973156] [ T399] driver_register+0x1a1/0x370
kern :err : [ 27.973158] [ T399] i915_init+0x57/0x160 [i915]
kern :err : [ 27.973307] [ T399] ? __pfx_i915_init+0x10/0x10 [i915]
kern :err : [ 27.973453] [ T399] do_one_initcall+0x8d/0x3f0
kern :err : [ 27.973455] [ T399] ? __pfx_do_one_initcall+0x10/0x10
kern :err : [ 27.973457] [ T399] ? kasan_unpoison+0x3b/0x70
kern :err : [ 27.973458] [ T399] ? kasan_unpoison+0x40/0x70
kern :err : [ 27.973460] [ T399] do_init_module+0x281/0x830
kern :err : [ 27.973463] [ T399] ? __pfx_do_init_module+0x10/0x10
kern :err : [ 27.973464] [ T399] ? kfree+0x195/0x430
kern :err : [ 27.973467] [ T399] load_module+0x173d/0x2070
kern :err : [ 27.973469] [ T399] ? ima_post_read_file+0x18f/0x230
kern :err : [ 27.973474] [ T399] ? __pfx_load_module+0x10/0x10
kern :err : [ 27.973476] [ T399] ? security_kernel_post_read_file+0x35/0xf0
kern :err : [ 27.973479] [ T399] ? __pfx_kernel_read_file+0x10/0x10
kern :err : [ 27.973483] [ T399] ? __pfx_current_time+0x10/0x10
kern :err : [ 27.973486] [ T399] ? init_module_from_file+0x157/0x1b0
kern :err : [ 27.973487] [ T399] init_module_from_file+0x157/0x1b0
kern :err : [ 27.973489] [ T399] ? __pfx_init_module_from_file+0x10/0x10
kern :err : [ 27.973491] [ T399] ? touch_atime+0x1bc/0x4f0
kern :err : [ 27.973493] [ T399] ? _raw_spin_lock+0x80/0xf0
kern :err : [ 27.973494] [ T399] ? __pfx__raw_spin_lock+0x10/0x10
kern :err : [ 27.973496] [ T399] ? __pfx_filemap_read+0x10/0x10
kern :err : [ 27.973498] [ T399] ? do_sys_openat2+0xeb/0x170
kern :err : [ 27.973501] [ T399] idempotent_init_module+0x21c/0x770
kern :err : [ 27.973503] [ T399] ? __pfx_idempotent_init_module+0x10/0x10
kern :err : [ 27.973505] [ T399] ? fdget+0x54/0x3b0
kern :err : [ 27.973506] [ T399] ? security_capable+0x35/0xf0
kern :err : [ 27.973509] [ T399] __x64_sys_finit_module+0xca/0x170
kern :err : [ 27.973511] [ T399] do_syscall_64+0x108/0x5b0
kern :err : [ 27.973513] [ T399] ? vfs_read+0x3be/0x9b0
kern :err : [ 27.973514] [ T399] ? vfs_read+0x3be/0x9b0
kern :err : [ 27.973516] [ T399] ? __pfx_vfs_read+0x10/0x10
kern :err : [ 27.973517] [ T399] ? __pfx__raw_spin_lock+0x10/0x10
kern :err : [ 27.973519] [ T399] ? fdget+0x54/0x3b0
kern :err : [ 27.973520] [ T399] ? __pfx___seccomp_filter+0x10/0x10
kern :err : [ 27.973523] [ T399] ? __x64_sys_pread64+0x18d/0x1f0
kern :err : [ 27.973525] [ T399] ? __pfx___x64_sys_pread64+0x10/0x10
kern :err : [ 27.973526] [ T399] ? fdget+0x54/0x3b0
kern :err : [ 27.973528] [ T399] ? security_capable+0x35/0xf0
kern :err : [ 27.973530] [ T399] ? do_syscall_64+0x140/0x5b0
kern :err : [ 27.973531] [ T399] ? arch_exit_to_user_mode_prepare+0x9e/0xf0
kern :err : [ 27.973533] [ T399] ? do_syscall_64+0x140/0x5b0
kern :err : [ 27.973534] [ T399] ? __x64_sys_openat+0x104/0x1f0
kern :err : [ 27.973536] [ T399] ? __pfx___x64_sys_openat+0x10/0x10
kern :err : [ 27.973538] [ T399] ? do_syscall_64+0x140/0x5b0
kern :err : [ 27.973540] [ T399] ? do_syscall_64+0x140/0x5b0
kern :err : [ 27.973541] [ T399] ? irqentry_exit+0x76/0x4f0
kern :err : [ 27.973544] [ T399] entry_SYSCALL_64_after_hwframe+0x76/0x7e
kern :err : [ 27.973546] [ T399] RIP: 0033:0x7f3689aa8779
kern :err : [ 27.973549] [ T399] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 8b 0d 67 76 0d 00 f7 d8 64 89 01 48
kern :err : [ 27.973551] [ T399] RSP: 002b:00007ffca3326338 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
kern :err : [ 27.973555] [ T399] RAX: ffffffffffffffda RBX: 000055c94afdd3e0 RCX: 00007f3689aa8779
kern :err : [ 27.973556] [ T399] RDX: 0000000000000000 RSI: 00007f36882ae44d RDI: 0000000000000053
kern :err : [ 27.973557] [ T399] RBP: 0000000000000000 R08: 0000000000000000 R09: 000055c94af65b30
kern :err : [ 27.973558] [ T399] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f36882ae44d
kern :err : [ 27.973559] [ T399] R13: 0000000000020000 R14: 000055c94afb65f0 R15: 0000000000000000
kern :err : [ 27.973561] [ T399] </TASK>
kern :err : [ 28.051757] [ T399] Allocated by task 399:
kern :warn : [ 28.052350] [ T399] kasan_save_stack+0x1e/0x70
kern :warn : [ 28.053001] [ T399] kasan_save_track+0x10/0x30
kern :warn : [ 28.053646] [ T399] __kasan_kmalloc+0x8b/0xb0
kern :warn : [ 28.054278] [ T399] __kmalloc_noprof+0x1d8/0x5f0
kern :warn : [ 28.054944] [ T399] init_bdb_block+0x128/0xc30 [i915]
kern :warn : [ 28.055915] [ T399] intel_bios_init+0x4de/0x14b0 [i915]
kern :warn : [ 28.056854] [ T399] intel_display_driver_probe_noirq+0x8d/0x870 [i915]
kern :warn : [ 28.057984] [ T399] i915_driver_probe+0x209/0x9f0 [i915]
kern :warn : [ 28.058917] [ T399] local_pci_probe+0xdb/0x1b0
kern :warn : [ 28.059565] [ T399] pci_call_probe+0x153/0x4f0
kern :warn : [ 28.060210] [ T399] pci_device_probe+0x173/0x2f0
kern :warn : [ 28.060878] [ T399] call_driver_probe+0x62/0x1f0
kern :warn : [ 28.061547] [ T399] really_probe+0x197/0x770
kern :warn : [ 28.062168] [ T399] __driver_probe_device+0x18c/0x3b0
kern :warn : [ 28.062894] [ T399] driver_probe_device+0x4a/0x130
kern :warn : [ 28.063587] [ T399] __driver_attach+0x18c/0x4f0
kern :warn : [ 28.064243] [ T399] bus_for_each_dev+0xef/0x170
kern :warn : [ 28.064898] [ T399] bus_add_driver+0x2a7/0x4f0
kern :warn : [ 28.065543] [ T399] driver_register+0x1a1/0x370
kern :warn : [ 28.066202] [ T399] i915_init+0x57/0x160 [i915]
kern :warn : [ 28.067030] [ T399] do_one_initcall+0x8d/0x3f0
kern :warn : [ 28.067677] [ T399] do_init_module+0x281/0x830
kern :warn : [ 28.068320] [ T399] load_module+0x173d/0x2070
kern :warn : [ 28.068951] [ T399] init_module_from_file+0x157/0x1b0
kern :warn : [ 28.069678] [ T399] idempotent_init_module+0x21c/0x770
kern :warn : [ 28.070417] [ T399] __x64_sys_finit_module+0xca/0x170
kern :warn : [ 28.071143] [ T399] do_syscall_64+0x108/0x5b0
kern :warn : [ 28.071777] [ T399] entry_SYSCALL_64_after_hwframe+0x76/0x7e
kern :err : [ 28.072915] [ T399] The buggy address belongs to the object at ffff8881eba2c000
which belongs to the cache kmalloc-2k of size 2048
kern :err : [ 28.074832] [ T399] The buggy address is located 0 bytes to the right of
allocated 1181-byte region [ffff8881eba2c000, ffff8881eba2c49d)
kern :err : [ 28.077135] [ T399] The buggy address belongs to the physical page:
kern :warn : [ 28.078017] [ T399] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1eba28
kern :warn : [ 28.079226] [ T399] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
kern :warn : [ 28.080389] [ T399] flags: 0x17ffffc0000040(head|node=0|zone=2|lastcpupid=0x1fffff)
kern :warn : [ 28.081460] [ T399] page_type: f5(slab)
kern :warn : [ 28.082008] [ T399] raw: 0017ffffc0000040 ffff888100042f00 dead000000000100 dead000000000122
kern :warn : [ 28.083180] [ T399] raw: 0000000000000000 0000000800080008 00000000f5000000 0000000000000000
kern :warn : [ 28.084355] [ T399] head: 0017ffffc0000040 ffff888100042f00 dead000000000100 dead000000000122
kern :warn : [ 28.085541] [ T399] head: 0000000000000000 0000000800080008 00000000f5000000 0000000000000000
kern :warn : [ 28.086725] [ T399] head: 0017ffffc0000003 ffffea0007ae8a01 00000000ffffffff 00000000ffffffff
kern :warn : [ 28.087909] [ T399] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008
kern :warn : [ 28.089093] [ T399] page dumped because: kasan: bad access detected
kern :err : [ 28.090297] [ T399] Memory state around the buggy address:
kern :err : [ 28.091073] [ T399] ffff8881eba2c380: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
kern :err : [ 28.092175] [ T399] ffff8881eba2c400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
kern :err : [ 28.093276] [ T399] >ffff8881eba2c480: 00 00 00 05 fc fc fc fc fc fc fc fc fc fc fc fc
kern :err : [ 28.094376] [ T399] ^
kern :err : [ 28.095041] [ T399] ffff8881eba2c500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
kern :err : [ 28.096145] [ T399] ffff8881eba2c580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
kern :err : [ 28.097247] [ T399] ==================================================================
kern :warn : [ 28.098668] [ T399] Disabling lock debugging due to kernel taint
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
WARNING: multiple messages have this Message-ID (diff)
From: kernel test robot <oliver.sang@intel.com>
To: "Michał Grzelak" <michal.grzelak@intel.com>
Cc: lkp@intel.com, intel-gfx@lists.freedesktop.org,
"Jani Nikula" <jani.nikula@linux.intel.com>,
oliver.sang@intel.com, oe-lkp@lists.linux.dev,
"Michał Grzelak" <michal.grzelak@intel.com>,
intel-xe@lists.freedesktop.org, ltp@lists.linux.it
Subject: Re: [LTP] [PATCH v1 15/16] drm/i915/bios: search for VBT #57 by default
Date: Wed, 15 Apr 2026 14:42:04 +0800 [thread overview]
Message-ID: <202604150702.d409a2b6-lkp@intel.com> (raw)
In-Reply-To: <20260331183332.1773886-16-michal.grzelak@intel.com>
Hello,
kernel test robot noticed "BUG:KASAN:slab-out-of-bounds_in_parse_vswing_preemph_snps" on:
commit: 07d1ee54da4966c1457602dc088a8a43b29254cb ("[PATCH v1 15/16] drm/i915/bios: search for VBT #57 by default")
url: https://github.com/intel-lab-lkp/linux/commits/Micha-Grzelak/drm-i915-lt-align-xe3plpd-with-VS-PE-Override-layout/20260401-092928
base: https://gitlab.freedesktop.org/drm/i915/kernel.git for-linux-next
patch link: https://lore.kernel.org/all/20260331183332.1773886-16-michal.grzelak@intel.com/
patch subject: [PATCH v1 15/16] drm/i915/bios: search for VBT #57 by default
in testcase: ltp
version:
with following parameters:
test: ima
config: x86_64-rhel-9.4-ltp
compiler: gcc-14
test machine: 22 threads 1 sockets Intel(R) Core(TM) Ultra 9 185H @ 4.5GHz (Meteor Lake) with 32G memory
(please refer to attached dmesg/kmsg for entire log/backtrace)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <oliver.sang@intel.com>
| Closes: https://lore.kernel.org/oe-lkp/202604150702.d409a2b6-lkp@intel.com
The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20260415/202604150702.d409a2b6-lkp@intel.com
kern :err : [ 27.966990] [ T399] ==================================================================
kern :err : [ 27.968126] [ T399] BUG: KASAN: slab-out-of-bounds in parse_vswing_preemph_snps+0x2dd/0x430 [i915]
kern :err : [ 27.969712] [ T399] Read of size 4 at addr ffff8881eba2c49d by task (udev-worker)/399
kern :err : [ 27.971135] [ T399] CPU: 4 UID: 0 PID: 399 Comm: (udev-worker) Tainted: G S 7.0.0-rc4-01496-g07d1ee54da49 #1 PREEMPT(lazy)
kern :err : [ 27.971139] [ T399] Tainted: [S]=CPU_OUT_OF_SPEC
kern :err : [ 27.971140] [ T399] Hardware name: ASUSTeK COMPUTER INC. NUC14RVS-B/NUC14RVSU9, BIOS RVMTL357.0047.2025.0108.1408 01/08/2025
kern :err : [ 27.971142] [ T399] Call Trace:
kern :err : [ 27.971144] [ T399] <TASK>
kern :err : [ 27.971145] [ T399] dump_stack_lvl+0x47/0x70
kern :err : [ 27.971152] [ T399] print_address_description+0x88/0x320
kern :err : [ 27.971156] [ T399] ? parse_vswing_preemph_snps+0x2dd/0x430 [i915]
kern :err : [ 27.971355] [ T399] print_report+0x106/0x1f4
kern :err : [ 27.971357] [ T399] ? __virt_addr_valid+0xc4/0x230
kern :err : [ 27.971360] [ T399] ? parse_vswing_preemph_snps+0x2dd/0x430 [i915]
kern :err : [ 27.971533] [ T399] kasan_report+0xb5/0xf0
kern :err : [ 27.971537] [ T399] ? parse_vswing_preemph_snps+0x2dd/0x430 [i915]
kern :err : [ 27.971704] [ T399] parse_vswing_preemph_snps+0x2dd/0x430 [i915]
kern :err : [ 27.971868] [ T399] intel_bios_init+0xcc1/0x14b0 [i915]
kern :err : [ 27.972042] [ T399] ? drm_vblank_init+0x147/0x330 [drm]
kern :err : [ 27.972105] [ T399] intel_display_driver_probe_noirq+0x8d/0x870 [i915]
kern :err : [ 27.972295] [ T399] i915_driver_probe+0x209/0x9f0 [i915]
kern :err : [ 27.972445] [ T399] ? __pfx_mutex_lock+0x10/0x10
kern :err : [ 27.972450] [ T399] ? mutex_lock+0x91/0xf0
kern :err : [ 27.972451] [ T399] ? __pfx_i915_driver_probe+0x10/0x10 [i915]
kern :err : [ 27.972597] [ T399] ? drm_privacy_screen_get+0x2bf/0x370 [drm]
kern :err : [ 27.972628] [ T399] ? intel_display_driver_probe_defer+0x41/0x70 [i915]
kern :err : [ 27.972814] [ T399] ? i915_pci_probe+0x2ab/0x3b0 [i915]
kern :err : [ 27.972963] [ T399] ? __pfx_i915_pci_probe+0x10/0x10 [i915]
kern :err : [ 27.973110] [ T399] local_pci_probe+0xdb/0x1b0
kern :err : [ 27.973114] [ T399] pci_call_probe+0x153/0x4f0
kern :err : [ 27.973116] [ T399] ? __pfx_pci_call_probe+0x10/0x10
kern :err : [ 27.973117] [ T399] ? __pfx__raw_spin_lock+0x10/0x10
kern :err : [ 27.973119] [ T399] ? pci_assign_irq+0x80/0x2f0
kern :err : [ 27.973121] [ T399] ? pci_match_device+0x38d/0x6b0
kern :err : [ 27.973123] [ T399] ? kernfs_create_link+0x164/0x230
kern :err : [ 27.973127] [ T399] pci_device_probe+0x173/0x2f0
kern :err : [ 27.973128] [ T399] call_driver_probe+0x62/0x1f0
kern :err : [ 27.973132] [ T399] really_probe+0x197/0x770
kern :err : [ 27.973134] [ T399] __driver_probe_device+0x18c/0x3b0
kern :err : [ 27.973137] [ T399] driver_probe_device+0x4a/0x130
kern :err : [ 27.973139] [ T399] __driver_attach+0x18c/0x4f0
kern :err : [ 27.973141] [ T399] ? __pfx___driver_attach+0x10/0x10
kern :err : [ 27.973143] [ T399] bus_for_each_dev+0xef/0x170
kern :err : [ 27.973145] [ T399] ? kasan_unpoison+0x40/0x70
kern :err : [ 27.973147] [ T399] ? __pfx_bus_for_each_dev+0x10/0x10
kern :err : [ 27.973149] [ T399] ? __kasan_slab_alloc+0x2f/0x70
kern :err : [ 27.973152] [ T399] ? klist_add_tail+0x132/0x270
kern :err : [ 27.973154] [ T399] bus_add_driver+0x2a7/0x4f0
kern :err : [ 27.973156] [ T399] driver_register+0x1a1/0x370
kern :err : [ 27.973158] [ T399] i915_init+0x57/0x160 [i915]
kern :err : [ 27.973307] [ T399] ? __pfx_i915_init+0x10/0x10 [i915]
kern :err : [ 27.973453] [ T399] do_one_initcall+0x8d/0x3f0
kern :err : [ 27.973455] [ T399] ? __pfx_do_one_initcall+0x10/0x10
kern :err : [ 27.973457] [ T399] ? kasan_unpoison+0x3b/0x70
kern :err : [ 27.973458] [ T399] ? kasan_unpoison+0x40/0x70
kern :err : [ 27.973460] [ T399] do_init_module+0x281/0x830
kern :err : [ 27.973463] [ T399] ? __pfx_do_init_module+0x10/0x10
kern :err : [ 27.973464] [ T399] ? kfree+0x195/0x430
kern :err : [ 27.973467] [ T399] load_module+0x173d/0x2070
kern :err : [ 27.973469] [ T399] ? ima_post_read_file+0x18f/0x230
kern :err : [ 27.973474] [ T399] ? __pfx_load_module+0x10/0x10
kern :err : [ 27.973476] [ T399] ? security_kernel_post_read_file+0x35/0xf0
kern :err : [ 27.973479] [ T399] ? __pfx_kernel_read_file+0x10/0x10
kern :err : [ 27.973483] [ T399] ? __pfx_current_time+0x10/0x10
kern :err : [ 27.973486] [ T399] ? init_module_from_file+0x157/0x1b0
kern :err : [ 27.973487] [ T399] init_module_from_file+0x157/0x1b0
kern :err : [ 27.973489] [ T399] ? __pfx_init_module_from_file+0x10/0x10
kern :err : [ 27.973491] [ T399] ? touch_atime+0x1bc/0x4f0
kern :err : [ 27.973493] [ T399] ? _raw_spin_lock+0x80/0xf0
kern :err : [ 27.973494] [ T399] ? __pfx__raw_spin_lock+0x10/0x10
kern :err : [ 27.973496] [ T399] ? __pfx_filemap_read+0x10/0x10
kern :err : [ 27.973498] [ T399] ? do_sys_openat2+0xeb/0x170
kern :err : [ 27.973501] [ T399] idempotent_init_module+0x21c/0x770
kern :err : [ 27.973503] [ T399] ? __pfx_idempotent_init_module+0x10/0x10
kern :err : [ 27.973505] [ T399] ? fdget+0x54/0x3b0
kern :err : [ 27.973506] [ T399] ? security_capable+0x35/0xf0
kern :err : [ 27.973509] [ T399] __x64_sys_finit_module+0xca/0x170
kern :err : [ 27.973511] [ T399] do_syscall_64+0x108/0x5b0
kern :err : [ 27.973513] [ T399] ? vfs_read+0x3be/0x9b0
kern :err : [ 27.973514] [ T399] ? vfs_read+0x3be/0x9b0
kern :err : [ 27.973516] [ T399] ? __pfx_vfs_read+0x10/0x10
kern :err : [ 27.973517] [ T399] ? __pfx__raw_spin_lock+0x10/0x10
kern :err : [ 27.973519] [ T399] ? fdget+0x54/0x3b0
kern :err : [ 27.973520] [ T399] ? __pfx___seccomp_filter+0x10/0x10
kern :err : [ 27.973523] [ T399] ? __x64_sys_pread64+0x18d/0x1f0
kern :err : [ 27.973525] [ T399] ? __pfx___x64_sys_pread64+0x10/0x10
kern :err : [ 27.973526] [ T399] ? fdget+0x54/0x3b0
kern :err : [ 27.973528] [ T399] ? security_capable+0x35/0xf0
kern :err : [ 27.973530] [ T399] ? do_syscall_64+0x140/0x5b0
kern :err : [ 27.973531] [ T399] ? arch_exit_to_user_mode_prepare+0x9e/0xf0
kern :err : [ 27.973533] [ T399] ? do_syscall_64+0x140/0x5b0
kern :err : [ 27.973534] [ T399] ? __x64_sys_openat+0x104/0x1f0
kern :err : [ 27.973536] [ T399] ? __pfx___x64_sys_openat+0x10/0x10
kern :err : [ 27.973538] [ T399] ? do_syscall_64+0x140/0x5b0
kern :err : [ 27.973540] [ T399] ? do_syscall_64+0x140/0x5b0
kern :err : [ 27.973541] [ T399] ? irqentry_exit+0x76/0x4f0
kern :err : [ 27.973544] [ T399] entry_SYSCALL_64_after_hwframe+0x76/0x7e
kern :err : [ 27.973546] [ T399] RIP: 0033:0x7f3689aa8779
kern :err : [ 27.973549] [ T399] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 8b 0d 67 76 0d 00 f7 d8 64 89 01 48
kern :err : [ 27.973551] [ T399] RSP: 002b:00007ffca3326338 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
kern :err : [ 27.973555] [ T399] RAX: ffffffffffffffda RBX: 000055c94afdd3e0 RCX: 00007f3689aa8779
kern :err : [ 27.973556] [ T399] RDX: 0000000000000000 RSI: 00007f36882ae44d RDI: 0000000000000053
kern :err : [ 27.973557] [ T399] RBP: 0000000000000000 R08: 0000000000000000 R09: 000055c94af65b30
kern :err : [ 27.973558] [ T399] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f36882ae44d
kern :err : [ 27.973559] [ T399] R13: 0000000000020000 R14: 000055c94afb65f0 R15: 0000000000000000
kern :err : [ 27.973561] [ T399] </TASK>
kern :err : [ 28.051757] [ T399] Allocated by task 399:
kern :warn : [ 28.052350] [ T399] kasan_save_stack+0x1e/0x70
kern :warn : [ 28.053001] [ T399] kasan_save_track+0x10/0x30
kern :warn : [ 28.053646] [ T399] __kasan_kmalloc+0x8b/0xb0
kern :warn : [ 28.054278] [ T399] __kmalloc_noprof+0x1d8/0x5f0
kern :warn : [ 28.054944] [ T399] init_bdb_block+0x128/0xc30 [i915]
kern :warn : [ 28.055915] [ T399] intel_bios_init+0x4de/0x14b0 [i915]
kern :warn : [ 28.056854] [ T399] intel_display_driver_probe_noirq+0x8d/0x870 [i915]
kern :warn : [ 28.057984] [ T399] i915_driver_probe+0x209/0x9f0 [i915]
kern :warn : [ 28.058917] [ T399] local_pci_probe+0xdb/0x1b0
kern :warn : [ 28.059565] [ T399] pci_call_probe+0x153/0x4f0
kern :warn : [ 28.060210] [ T399] pci_device_probe+0x173/0x2f0
kern :warn : [ 28.060878] [ T399] call_driver_probe+0x62/0x1f0
kern :warn : [ 28.061547] [ T399] really_probe+0x197/0x770
kern :warn : [ 28.062168] [ T399] __driver_probe_device+0x18c/0x3b0
kern :warn : [ 28.062894] [ T399] driver_probe_device+0x4a/0x130
kern :warn : [ 28.063587] [ T399] __driver_attach+0x18c/0x4f0
kern :warn : [ 28.064243] [ T399] bus_for_each_dev+0xef/0x170
kern :warn : [ 28.064898] [ T399] bus_add_driver+0x2a7/0x4f0
kern :warn : [ 28.065543] [ T399] driver_register+0x1a1/0x370
kern :warn : [ 28.066202] [ T399] i915_init+0x57/0x160 [i915]
kern :warn : [ 28.067030] [ T399] do_one_initcall+0x8d/0x3f0
kern :warn : [ 28.067677] [ T399] do_init_module+0x281/0x830
kern :warn : [ 28.068320] [ T399] load_module+0x173d/0x2070
kern :warn : [ 28.068951] [ T399] init_module_from_file+0x157/0x1b0
kern :warn : [ 28.069678] [ T399] idempotent_init_module+0x21c/0x770
kern :warn : [ 28.070417] [ T399] __x64_sys_finit_module+0xca/0x170
kern :warn : [ 28.071143] [ T399] do_syscall_64+0x108/0x5b0
kern :warn : [ 28.071777] [ T399] entry_SYSCALL_64_after_hwframe+0x76/0x7e
kern :err : [ 28.072915] [ T399] The buggy address belongs to the object at ffff8881eba2c000
which belongs to the cache kmalloc-2k of size 2048
kern :err : [ 28.074832] [ T399] The buggy address is located 0 bytes to the right of
allocated 1181-byte region [ffff8881eba2c000, ffff8881eba2c49d)
kern :err : [ 28.077135] [ T399] The buggy address belongs to the physical page:
kern :warn : [ 28.078017] [ T399] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1eba28
kern :warn : [ 28.079226] [ T399] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
kern :warn : [ 28.080389] [ T399] flags: 0x17ffffc0000040(head|node=0|zone=2|lastcpupid=0x1fffff)
kern :warn : [ 28.081460] [ T399] page_type: f5(slab)
kern :warn : [ 28.082008] [ T399] raw: 0017ffffc0000040 ffff888100042f00 dead000000000100 dead000000000122
kern :warn : [ 28.083180] [ T399] raw: 0000000000000000 0000000800080008 00000000f5000000 0000000000000000
kern :warn : [ 28.084355] [ T399] head: 0017ffffc0000040 ffff888100042f00 dead000000000100 dead000000000122
kern :warn : [ 28.085541] [ T399] head: 0000000000000000 0000000800080008 00000000f5000000 0000000000000000
kern :warn : [ 28.086725] [ T399] head: 0017ffffc0000003 ffffea0007ae8a01 00000000ffffffff 00000000ffffffff
kern :warn : [ 28.087909] [ T399] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008
kern :warn : [ 28.089093] [ T399] page dumped because: kasan: bad access detected
kern :err : [ 28.090297] [ T399] Memory state around the buggy address:
kern :err : [ 28.091073] [ T399] ffff8881eba2c380: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
kern :err : [ 28.092175] [ T399] ffff8881eba2c400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
kern :err : [ 28.093276] [ T399] >ffff8881eba2c480: 00 00 00 05 fc fc fc fc fc fc fc fc fc fc fc fc
kern :err : [ 28.094376] [ T399] ^
kern :err : [ 28.095041] [ T399] ffff8881eba2c500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
kern :err : [ 28.096145] [ T399] ffff8881eba2c580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
kern :err : [ 28.097247] [ T399] ==================================================================
kern :warn : [ 28.098668] [ T399] Disabling lock debugging due to kernel taint
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
--
Mailing list info: https://lists.linux.it/listinfo/ltp
next prev parent reply other threads:[~2026-04-15 6:42 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-31 18:33 [PATCH v1 00/16] VS/PE Override support Michał Grzelak
2026-03-31 18:33 ` [PATCH v1 01/16] drm/i915/lt: align xe3plpd with VS/PE Override layout Michał Grzelak
2026-03-31 18:33 ` [PATCH v1 02/16] drm/i915/buf_trans: switch from u8 to u32 Michał Grzelak
2026-03-31 18:33 ` [PATCH v1 03/16] drm/i915/buf_trans: describe VS/PE Override layout Michał Grzelak
2026-03-31 18:33 ` [PATCH v1 04/16] drm/i915/bios: prepare for parsing VBT #57 Michał Grzelak
2026-08-13 23:12 ` sashiko-bot
2026-03-31 18:33 ` [PATCH v1 05/16] drm/i915/bios: parse LT's VS/PE Override Block #57 Michał Grzelak
2026-03-31 18:33 ` [PATCH v1 06/16] drm/i915/bios: parse Snps's " Michał Grzelak
2026-03-31 18:33 ` [PATCH v1 07/16] drm/i915/bios: parse EHL's " Michał Grzelak
2026-03-31 18:33 ` [PATCH v1 08/16] drm/i915/bios: support VS/PE Override per each ddi port Michał Grzelak
2026-04-03 8:39 ` kernel test robot
2026-03-31 18:33 ` [PATCH v1 09/16] drm/i915/bios: print VS/PE Override port info Michał Grzelak
2026-03-31 18:33 ` [PATCH v1 10/16] drm/i915/ddi: cache VS/PE struct pointer into intel_encoder Michał Grzelak
2026-03-31 18:33 ` [PATCH v1 11/16] drm/i915/buf_trans: override encoder->get_buf_trans when asked Michał Grzelak
2026-03-31 18:33 ` [PATCH v1 12/16] drm/i915/buf_trans: compute LT's VS/PE Override index Michał Grzelak
2026-04-01 7:16 ` kernel test robot
2026-03-31 18:33 ` [PATCH v1 13/16] drm/i915/buf_trans: compute Snps's " Michał Grzelak
2026-03-31 18:33 ` [PATCH v1 14/16] drm/i915/buf_trans: compute EHL's " Michał Grzelak
2026-03-31 18:33 ` [PATCH v1 15/16] drm/i915/bios: search for VBT #57 by default Michał Grzelak
2026-04-15 6:42 ` kernel test robot [this message]
2026-04-15 6:42 ` [LTP] " kernel test robot
2026-04-16 6:40 ` Petr Vorel
2026-04-16 6:40 ` Petr Vorel
2026-04-16 7:40 ` Oliver Sang
2026-04-16 7:40 ` Oliver Sang
2026-04-16 9:17 ` Michał Grzelak
2026-04-16 9:17 ` Michał Grzelak
2026-04-17 17:11 ` Petr Vorel
2026-04-17 17:11 ` Petr Vorel
2026-03-31 18:33 ` [PATCH v1 16/16] drm/i915/bios: remove VS/PE Override warning Michał Grzelak
2026-03-31 19:47 ` ✗ i915.CI.BAT: failure for VS/PE Override support Patchwork
2026-03-31 20:52 ` ✗ CI.checkpatch: warning " Patchwork
2026-03-31 20:53 ` ✓ CI.KUnit: success " Patchwork
2026-03-31 21:35 ` ✓ Xe.CI.BAT: " Patchwork
2026-04-01 4:45 ` ✓ Xe.CI.FULL: " Patchwork
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