linux-kernel - [gpu/drm] 0af38d64f2: stack

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Date:   Sun, 31 Oct 2021 22:16:34 +0800
From:   kernel test robot <oliver.sang@...el.com>
To:     Bernard Zhao <bernard@...o.com>
Cc:     lkp@...ts.01.org, lkp@...el.com,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        Bernard Zhao <bernard@...o.com>
Subject: [gpu/drm]  0af38d64f2: stack_segment:#[##]



Greeting,

FYI, we noticed the following commit (built with gcc-9):

commit: 0af38d64f2971d2bd2b990301d27faa5026cf795 ("[PATCH] gpu/drm: fix potential memory leak")
url: https://github.com/0day-ci/linux/commits/Bernard-Zhao/gpu-drm-fix-potential-memory-leak/20211022-143137
base: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git 64222515138e43da1fcf288f0289ef1020427b87
patch link: https://lore.kernel.org/dri-devel/20211022063036.21763-1-bernard@vivo.com

in testcase: igt
version: igt-x86_64-51792e98-1_20211019
with following parameters:

	group: group-03
	ucode: 0x28



on test machine: 8 threads 1 sockets Intel(R) Core(TM) i7-4770 CPU @ 3.40GHz with 8G memory

caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):



If you fix the issue, kindly add following tag
Reported-by: kernel test robot <oliver.sang@...el.com>



[   30.641897][ T1049] [IGT] gem_set_tiling_vs_blt: executing
[   30.648455][ T1049] [IGT] gem_set_tiling_vs_blt: starting subtest tiled-to-tiled
[   30.656020][ T1049] stack segment: 0000 [#1] SMP PTI
[   30.660971][ T1049] CPU: 4 PID: 1049 Comm: gem_set_tiling_ Not tainted 5.15.0-rc6-00178-g0af38d64f297 #1
[   30.670401][ T1049] Hardware name: Dell Inc. OptiPlex 9020/0DNKMN, BIOS A05 12/05/2013
[   30.678280][ T1049] RIP: 0010:drm_vma_node_revoke+0x21/0x80 [drm]
[   30.684364][ T1049] Code: 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 41 54 49 89 fc 55 53 48 89 f3 e8 ac f4 96 c1 49 8b ac 24 b0 00 00 00 48 85 ed 74 17
<48> 39 5d 18 74 22 48 8b 45 08 48 0f 43 45 10 48 89 c5 48 85 c0 75
[   30.703731][ T1049] RSP: 0018:ffffc90000e93d60 EFLAGS: 00010286
[   30.709623][ T1049] RAX: ffff000000002028 RBX: ffff88821e5cc000 RCX: ffffc90000e93d00
[   30.717411][ T1049] RDX: 00000000000000ff RSI: ffff88821e5cc000 RDI: ffff88821abd2658
[   30.725201][ T1049] RBP: ffff000000002028 R08: 00000000fffbdc4a R09: 0000000000000238
[   30.732988][ T1049] R10: 0000000000000001 R11: ffff888215789b60 R12: ffff88821abd2658
[   30.740778][ T1049] R13: ffff88821e5cc130 R14: ffff88821e5cc040 R15: 0000000000000001
[   30.748568][ T1049] FS:  00007f777ce7cc00(0000) GS:ffff888201d00000(0000) knlGS:0000000000000000
[   30.757308][ T1049] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.763715][ T1049] CR2: 0000558324d0e678 CR3: 0000000212bc6001 CR4: 00000000001706e0
[   30.771505][ T1049] Call Trace:
[   30.774630][ T1049]  drm_gem_object_release_handle+0x63/0x80 [drm]
[   30.780811][ T1049]  drm_gem_handle_delete+0x5f/0xc0 [drm]
[   30.786283][ T1049]  ? drm_gem_handle_create+0x40/0x40 [drm]
[   30.791924][ T1049]  drm_ioctl_kernel+0xaa/0x100 [drm]
[   30.797046][ T1049]  drm_ioctl+0x220/0x3c0 [drm]
[   30.801665][ T1049]  ? drm_gem_handle_create+0x40/0x40 [drm]
[   30.807320][ T1049]  ? vfs_write+0x238/0x2c0
[   30.811570][ T1049]  __x64_sys_ioctl+0x83/0xc0
[   30.815989][ T1049]  do_syscall_64+0x3b/0xc0
[   30.820239][ T1049]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   30.825958][ T1049] RIP: 0033:0x7f7780820427
[   30.830208][ T1049] Code: 00 00 90 48 8b 05 69 aa 0c 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 39 aa 0c 00 f7 d8 64 89 01 48
[   30.849578][ T1049] RSP: 002b:00007ffedb056728 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   30.857802][ T1049] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f7780820427
[   30.865591][ T1049] RDX: 00007ffedb056760 RSI: 0000000040086409 RDI: 0000000000000004
[   30.873378][ T1049] RBP: 00007ffedb056760 R08: 00007ffedb09f170 R09: 000000000000001c
[   30.881168][ T1049] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000040086409
[   30.888957][ T1049] R13: 0000000000000004 R14: 0000000000000001 R15: 0000000000000000
[   30.896747][ T1049] Modules linked in: btrfs blake2b_generic xor zstd_compress raid6_pq libcrc32c sd_mod t10_pi sg ata_generic ipmi_devintf ipmi_msghandler intel_rapl_msr intel_rapl_common x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel i915 kvm intel_gtt ttm drm_kms_helper irqbypass crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel syscopyarea mei_wdt sysfillrect sysimgblt rapl fb_sys_fops mei_me intel_cstate ata_piix drm libata intel_uncore mei video ip_tables
[   30.939408][ T1049] ---[ end trace fef9d299f191964d ]---
[   30.944696][ T1049] RIP: 0010:drm_vma_node_revoke+0x21/0x80 [drm]
[   30.950795][ T1049] Code: 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 41 54 49 89 fc 55 53 48 89 f3 e8 ac f4 96 c1 49 8b ac 24 b0 00 00 00 48 85 ed 74 17 <48> 39 5d 18 74 22 48 8b 45 08 48 0f 43 45 10 48 89 c5 48 85 c0 75
[   30.970189][ T1049] RSP: 0018:ffffc90000e93d60 EFLAGS: 00010286
[   30.976091][ T1049] RAX: ffff000000002028 RBX: ffff88821e5cc000 RCX: ffffc90000e93d00
[   30.983895][ T1049] RDX: 00000000000000ff RSI: ffff88821e5cc000 RDI: ffff88821abd2658
[   30.991708][ T1049] RBP: ffff000000002028 R08: 00000000fffbdc4a R09: 0000000000000238
[   30.999510][ T1049] R10: 0000000000000001 R11: ffff888215789b60 R12: ffff88821abd2658
[   31.007313][ T1049] R13: ffff88821e5cc130 R14: ffff88821e5cc040 R15: 0000000000000001
[   31.015117][ T1049] FS:  00007f777ce7cc00(0000) GS:ffff888201d00000(0000) knlGS:0000000000000000
[   31.023870][ T1049] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.030290][ T1049] CR2: 0000558324d0e678 CR3: 0000000212bc6001 CR4: 00000000001706e0
[   31.038106][ T1049] Kernel panic - not syncing: Fatal exception
[   31.044016][ T1049] Kernel Offset: disabled



To reproduce:
        # build kernel with attached config file

        git clone https://github.com/intel/lkp-tests.git
        cd lkp-tests
        sudo bin/lkp install job.yaml           # job file is attached in this email
        bin/lkp split-job --compatible job.yaml # generate the yaml file for lkp run
        sudo bin/lkp run generated-yaml-file

        # if come across any failure that blocks the test,
        # please remove ~/.lkp and /lkp dir to run from a clean state.



---
0DAY/LKP+ Test Infrastructure                   Open Source Technology Center
https://lists.01.org/hyperkitty/list/lkp@lists.01.org       Intel Corporation

Thanks,
Oliver Sang


View attachment "config-5.15.0-rc6-00178-g0af38d64f297" of type "text/plain" (176726 bytes)

View attachment "job-script" of type "text/plain" (5382 bytes)

Download attachment "dmesg.xz" of type "application/x-xz" (21712 bytes)

View attachment "job.yaml" of type "text/plain" (4221 bytes)