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Message-ID: <87a8ruxf7f.fsf@yhuang-dev.intel.com>
Date: Thu, 08 Oct 2015 10:32:36 +0800
From: kernel test robot <ying.huang@...ux.intel.com>
TO: Geliang Tang <geliangtang@....com>
CC: Mike Snitzer <snitzer@...hat.com>
Subject: [lkp] [dm ioctl] e817ef9b89: kernel BUG at mm/slub.c:3517!
FYI, we noticed the below changes on
https://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm.git dm-4.4
commit e817ef9b89e5bbfdb2a67ca9896909f414b2af91 ("dm ioctl: use kvfree() in free_params()")
+------------------------------------------+------------+------------+
| | 9e632c9dd3 | e817ef9b89 |
+------------------------------------------+------------+------------+
| boot_successes | 14 | 11 |
| boot_failures | 0 | 10 |
| kernel_BUG_at_mm/slub.c | 0 | 10 |
| invalid_opcode:#[##]SMP | 0 | 10 |
| RIP:#:[<#>]:#echo_perform[<#>]kfree | 0 | 2 |
| Kernel_panic-not_syncing:Fatal_exception | 0 | 9 |
| backtrace:do_vfs_ioctl | 0 | 3 |
| backtrace:SyS_ioctl | 0 | 10 |
| RIP:#:[<#>]rmance>/sys[<#>]kfree | 0 | 1 |
| RIP:kfree | 0 | 1 |
| RIP:#:[<#>]ufreq/scaling_go[<#>]kfree | 0 | 2 |
| RIP:#:[<#>]ance>/sys/devi[<#>]kfree | 0 | 1 |
| RIP:#:[<#>]req/scaling_gove[<#>]kfree | 0 | 1 |
| RIP:#:[<#>]sys/devices/syst[<#>]kfree | 0 | 1 |
+------------------------------------------+------------+------------+
[ 19.514000] ------------[ cut here ]------------
o performance >
[ 19.519783] kernel BUG at mm/slub.c:3517!
/sys/devices/sys
[ 19.527366] invalid opcode: 0000 [#1] SMP
tem/cpu/cpu15/cp
[ 19.533520] Modules linked in: dm_modufreq/scaling_go rpcsec_gss_krb5 auth_rpcgssvernor
2015-10- nfsv4 dns_resolver07 07:14:27 echo btrfs xor performance > / raid6_pq sr_mod cdrom sgsys/devices/syst sd_mod mgag200em/cpu/cpu2/cpuf ttm drm_kms_helperreq/scaling_gove syscopyarearn or
2015-10-07sysfillrect sysimgblt 07:14:27 echo p fb_sys_fops ahcierformance > /sy libahcis/ devices/systemcoretemp kvm_intel/cpu/cpu3/cpufre i7core_edac snd_pcmq/scaling_govern snd_timer drmor
2015-10-07 0 kvm snd7:14:27 echo per soundcore crc32c_intelformance > /sys/ ipmi_si libatadevices/system/c usb_storagepu /cpu4/cpufreq/edac_core microcodescaling_governor pcspkr shpchp
2015-10-07 07: ipmi_msghandler14:27 echo perfo acpi_cpufreqrmance > /sys/de
vices/system/cpu
[ 19.607527] CPU: 14 PID: 669 Comm: dmsetup Not tainted 4.3.0-rc3-00005-ge817ef9 #1
/cpu5/cpufreq/sc
[ 19.617528] Hardware name: Intel Corporation S5520UR/S5520UR, BIOS S5500.86B.01.00.0050.050620101605 05/06/2010
aling_governor
[ 19.630345] task: ffff880356122400 ti: ffff8801dc96c000 task.ti: ffff8801dc96c000
2015-10-07 07:14
[ 19.640252] RIP: 0010:[<ffffffff811c08fe>] :27 echo perform [<ffffffff811c08fe>] kfree+0x12e/0x130
ance > /sys/devi
[ 19.651820] RSP: 0018:ffff8801dc96fcc8 EFLAGS: 00010246
ces/system/cpu/c
[ 19.659301] RAX: 002fffff80000000 RBX: ffff8801dc96fd28 RCX: 0000000000000131
pu6/cpufreq/scal
[ 19.668818] RDX: 000077ff80000000 RSI: ffff8801dc96fd28 RDI: ffff8801dc96fd28
ing_governor
20
[ 19.678335] RBP: ffff8801dc96fce0 R08: 0000000000000004 R09: ffffea0007725bc0
15-10-07 07:14:2
[ 19.687854] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
7 echo performan
[ 19.697372] R13: ffffffff8118307a R14: 0000000000000000 R15: 0000000000000000
ce > /sys/device
[ 19.706890] FS: 00007f5704b1f800(0000) GS:ffff8801e9bc0000(0000) knlGS:0000000000000000
s/system/cpu/cpu
[ 19.717475] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
7/cpufreq/scalin
[ 19.725442] CR2: 00007f57047002dc CR3: 00000001dc4bc000 CR4: 00000000000006e0
g_governor
2015
[ 19.734959] Stack:
-10-07 07:14:27
[ 19.738757] 00005634dcf70120 0000000000000000echo performance 0000000000000000 ffff8801dc96fcf0 > /sys/devices/
system/cpu/cpu8/
[ 19.751708] ffffffff8118307a ffff8801dc96fe88cpufreq/scaling_ ffffffffa02cd0b8 ffff880356122400governor
2015-1
0-[07 07:14:27 ec 19.764649] ffff8801effdbb08 ffff880356122400ho performance > 0000000000000131 0000000000000131 /sys/devices/sy
stem/cpu/cpu9/cp
[ 19.777593] Call Trace:
ufreq/scaling_go
[ 19.781878] [<ffffffff8118307a>] kvfree+0x2a/0x40
vernor
[ 19.788779] [<ffffffffa02cd0b8>] ctl_ioctl+0x238/0x550 [dm_mod]
[ 19.796259] [<ffffffffa02cd3e3>] dm_ctl_ioctl+0x13/0x20 [dm_mod]
[ 19.803641] [<ffffffff811f3a61>] do_vfs_ioctl+0x301/0x560
[ 19.810321] [<ffffffff8139f0e0>] ? selinux_file_ioctl+0x50/0xd0
[ 19.817570] [<ffffffff81393943>] ? security_file_ioctl+0x43/0x60
[ 19.824926] [<ffffffff811f3d39>] SyS_ioctl+0x79/0x90
[ 19.831119] [<ffffffff818addae>] entry_SYSCALL_64_fastpath+0x12/0x71
[ 19.838876] Code: c4 40 74 04 41 8b 71 68 4c 89 cf e8 3d cc fa ff eb 9b 4d 8b 49 30 e9 44 ff ff ff 4c 89 d1 48 89 da 4c 89 ce e8 74 fa ff ff eb 82 <0f> 0b 66 66 66 66 90 55 48 89 e5 41 57 41 56 41 55 41 54 53 48
[ 19.861810] RIP [<ffffffff811c08fe>] kfree+0x12e/0x130
[ 19.868281] RSP <ffff8801dc96fcc8>
[ 19.872825] ---[ end trace f5be9e866bcf705a ]---
[ 19.880928] Kernel panic - not syncing: Fatal exception
To reproduce:
git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git
cd lkp-tests
bin/lkp install job.yaml # job file is attached in this email
bin/lkp run job.yaml
Thanks,
Ying Huang
View attachment "config-4.3.0-rc3-00005-ge817ef9" of type "text/plain" (141579 bytes)
Download attachment "dmesg.xz" of type "application/x-xz" (20924 bytes)
View attachment "job.yaml" of type "text/plain" (3638 bytes)
View attachment "reproduce" of type "text/plain" (1175 bytes)
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