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Date: Fri, 15 Oct 2021 16:24:09 +0800
From: kernel test robot <oliver.sang@...el.com>
To: Kent Overstreet <kent.overstreet@...il.com>
Cc: 0day robot <lkp@...el.com>, LKML <linux-kernel@...r.kernel.org>,
lkp@...ts.01.org, linux-mm@...ck.org, akpm@...ux-foundation.org,
linux-raid@...r.kernel.org, linux-block@...r.kernel.org,
axboe@...nel.dk, Kent Overstreet <kent.overstreet@...il.com>,
alexander.h.duyck@...ux.intel.com
Subject: [mm] 1609369623: BUG:kernel_NULL_pointer_dereference,address
Greeting,
FYI, we noticed the following commit (built with gcc-9):
commit: 1609369623c4b6fe45602ee0d8192f6df9d4b1fe ("[PATCH 1/5] mm: Make free_area->nr_free per migratetype")
url: https://github.com/0day-ci/linux/commits/Kent-Overstreet/Minor-mm-struct-page-work/20211014-000511
base: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git 5816b3e6577eaa676ceb00a848f0fd65fe2adc29
in testcase: xfstests
version: xfstests-x86_64-99bc497-1_20211014
with following parameters:
disk: 4HDD
fs: xfs
test: xfs-reflink-25
ucode: 0x28
test-description: xfstests is a regression test suite for xfs and other files ystems.
test-url: git://git.kernel.org/pub/scm/fs/xfs/xfstests-dev.git
on test machine: 8 threads 1 sockets Intel(R) Core(TM) i7-4790 v3 @ 3.60GHz with 6G memory
caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):
+-------------------------------------------------------------+-----------+------------+
| | v5.15-rc3 | 1609369623 |
+-------------------------------------------------------------+-----------+------------+
| boot_successes | 121 | 0 |
| BUG:kernel_NULL_pointer_dereference,address | 0 | 6 |
| Oops:#[##] | 0 | 6 |
| RIP:steal_suitable_fallback | 0 | 6 |
| Kernel_panic-not_syncing:Fatal_exception | 0 | 6 |
+-------------------------------------------------------------+-----------+------------+
If you fix the issue, kindly add following tag
Reported-by: kernel test robot <oliver.sang@...el.com>
[ 1.331661][ T0] BUG: kernel NULL pointer dereference, address: 0000000000000028
[ 1.339184][ T0] #PF: supervisor read access in kernel mode
[ 1.344956][ T0] #PF: error_code(0x0000) - not-present page
[ 1.350724][ T0] PGD 0 P4D 0
[ 1.353914][ T0] Oops: 0000 [#1] SMP PTI
[ 1.358047][ T0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.15.0-rc3-00001-g1609369623c4 #1
[ 1.366659][ T0] Hardware name: Dell Inc. OptiPlex 9020/03CPWF, BIOS A11 04/01/2015
[ 1.374497][ T0] RIP: 0010:steal_suitable_fallback+0x2a/0x240
[ 1.380438][ T0] Code: 0f 1f 44 00 00 41 57 41 89 d7 ba 07 00 00 00 41 56 41 55 49 89 fd 41 54 49 89 f4 55 4c 89 e7 48 63 e9 53 44 89 c3 48 83 ec 18 <4c> 8b 76 28 48 2b 35 1b 7a 32 01 65 48 8b 04 25 28 00 00 00 48 89
[ 1.399730][ T0] RSP: 0000:ffffffff828039d8 EFLAGS: 00010096
[ 1.405587][ T0] RAX: ffff88819edd6720 RBX: 0000000000000001 RCX: 0000000000000002
[ 1.413338][ T0] RDX: 0000000000000007 RSI: 0000000000000000 RDI: 0000000000000000
[ 1.421088][ T0] RBP: 0000000000000002 R08: 0000000000000001 R09: 0000000000000000
[ 1.428837][ T0] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1.436585][ T0] R13: ffff88819edd6080 R14: 0000000000000000 R15: 0000000000000101
[ 1.444338][ T0] FS: 0000000000000000(0000) GS:ffff88817de00000(0000) knlGS:0000000000000000
[ 1.453034][ T0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1.459405][ T0] CR2: 0000000000000028 CR3: 000000019da10001 CR4: 00000000000606b0
[ 1.467155][ T0] Call Trace:
[ 1.470255][ T0] rmqueue_bulk+0x882/0x980
[ 1.474559][ T0] rmqueue+0x551/0xe00
[ 1.478434][ T0] ? rmqueue_bulk+0x331/0x980
[ 1.482911][ T0] ? rmqueue_bulk+0x331/0x980
[ 1.487389][ T0] ? __raw_callee_save___native_queued_spin_unlock+0x11/0x1e
[ 1.494535][ T0] get_page_from_freelist+0xde/0x400
[ 1.499615][ T0] __alloc_pages+0x197/0x380
[ 1.504008][ T0] allocate_slab+0x2f8/0x440
[ 1.508399][ T0] ___slab_alloc+0x6aa/0x800
[ 1.512790][ T0] ? radix_tree_node_alloc+0x40/0xc0
[ 1.518901][ T0] ? pcpu_alloc_area+0x1d8/0x300
[ 1.523636][ T0] ? __raw_callee_save___native_queued_spin_unlock+0x11/0x1e
[ 1.530786][ T0] ? radix_tree_node_alloc+0x40/0xc0
[ 1.536897][ T0] __slab_alloc+0x1c/0x40
[ 1.541636][ T0] kmem_cache_alloc+0x382/0x400
[ 1.546287][ T0] radix_tree_node_alloc+0x40/0xc0
[ 1.552230][ T0] idr_get_free+0x1e1/0x300
[ 1.556537][ T0] idr_alloc_u32+0x5f/0xc0
[ 1.560758][ T0] idr_alloc+0x39/0x80
[ 1.564632][ T0] workqueue_init_early+0x17d/0x33b
[ 1.569627][ T0] start_kernel+0x378/0x5fb
[ 1.573933][ T0] ? load_ucode_intel_bsp+0x21/0x52
[ 1.578927][ T0] secondary_startup_64_no_verify+0xc2/0xcb
[ 1.584611][ T0] Modules linked in:
[ 1.588313][ T0] CR2: 0000000000000028
[ 1.592275][ T0] ---[ end trace 1ab7942b05fdb9ba ]---
[ 1.597526][ T0] RIP: 0010:steal_suitable_fallback+0x2a/0x240
[ 1.603469][ T0] Code: 0f 1f 44 00 00 41 57 41 89 d7 ba 07 00 00 00 41 56 41 55 49 89 fd 41 54 49 89 f4 55 4c 89 e7 48 63 e9 53 44 89 c3 48 83 ec 18 <4c> 8b 76 28 48 2b 35 1b 7a 32 01 65 48 8b 04 25 28 00 00 00 48 89
[ 1.622760][ T0] RSP: 0000:ffffffff828039d8 EFLAGS: 00010096
[ 1.628614][ T0] RAX: ffff88819edd6720 RBX: 0000000000000001 RCX: 0000000000000002
[ 1.636365][ T0] RDX: 0000000000000007 RSI: 0000000000000000 RDI: 0000000000000000
[ 1.644115][ T0] RBP: 0000000000000002 R08: 0000000000000001 R09: 0000000000000000
[ 1.651867][ T0] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 1.659616][ T0] R13: ffff88819edd6080 R14: 0000000000000000 R15: 0000000000000101
[ 1.667368][ T0] FS: 0000000000000000(0000) GS:ffff88817de00000(0000) knlGS:0000000000000000
[ 1.676065][ T0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1.682438][ T0] CR2: 0000000000000028 CR3: 000000019da10001 CR4: 00000000000606b0
[ 1.690190][ T0] Kernel panic - not syncing: Fatal exception
To reproduce:
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-rc3-00001-g1609369623c4" of type "text/plain" (176716 bytes)
View attachment "job-script" of type "text/plain" (5944 bytes)
Download attachment "dmesg.xz" of type "application/x-xz" (5412 bytes)
View attachment "job.yaml" of type "text/plain" (4753 bytes)
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