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Date: Wed, 21 Jan 2015 12:38:35 +0800
From: Huang Ying <ying.huang@...el.com>
To: Joonsoo Kim <iamjoonsoo.kim@....com>
Cc: Stephen Rothwell <sfr@...b.auug.org.au>,
LKML <linux-kernel@...r.kernel.org>, LKP ML <lkp@...org>
Subject: [LKP] [mm/slub] BUG: using smp_processor_id() in preemptible
[00000000] code: swapper/0/1
FYI, we noticed the below changes on
git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
commit d2dc80750ee05ceb03c9b13b0531a782116d1ade ("mm/slub: optimize alloc/free fastpath by removing preemption on/off")
+-------------------------------------------------------------+------------+------------+
| | 8e32336269 | d2dc80750e |
+-------------------------------------------------------------+------------+------------+
| boot_successes | 8 | 4 |
| boot_failures | 2 | 16 |
| WARNING:at_net/netlink/genetlink.c:#genl_unbind() | 2 | 5 |
| backtrace:do_group_exit | 2 | 5 |
| backtrace:SyS_exit_group | 2 | 5 |
| BUG:using_smp_processor_id()in_preemptible[#]code:swapper | 0 | 6 |
| backtrace:getname_kernel | 0 | 6 |
| backtrace:run_init_process | 0 | 6 |
| backtrace:do_execve | 0 | 6 |
| BUG:using_smp_processor_id()in_preemptible[#]code:init | 0 | 1 |
| backtrace:vfs_stat | 0 | 1 |
| backtrace:SyS_stat64 | 0 | 1 |
| BUG:using_smp_processor_id()in_preemptible[#]code:kdevtmpfs | 0 | 5 |
| backtrace:devtmpfsd | 0 | 5 |
| backtrace:security_inode_alloc | 0 | 5 |
| backtrace:inode_init_always | 0 | 5 |
+-------------------------------------------------------------+------------+------------+
[ 20.990104] Freeing unused kernel memory: 1080K (c2519000 - c2627000)
[ 20.991245] Write protecting the kernel text: 15384k
[ 20.992234] Write protecting the kernel read-only data: 4576k
[ 20.993120] BUG: using smp_processor_id() in preemptible [00000000] code: swapper/0/1
[ 20.994412] caller is debug_smp_processor_id+0x12/0x20
[ 20.995217] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 3.19.0-rc5-next-20150119-g9a0b319 #20
[ 20.996576] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.997462] 00000000 d36d5f2c c1ef8e08 c2629a00 00000001 d36d5f5c c16138f2 c2276ca0
[ 21.001341] c2275818 c22108b0 00000000 d36d82f0 00000001 c2275818 c2629a80 d36467e0
[ 21.003155] 00000001 d36d5f64 c1613912 d36d5f88 c115e37b 000000e0 c11787df 000000d0
[ 21.004939] Call Trace:
[ 21.005457] [<c1ef8e08>] dump_stack+0x4c/0x9b
[ 21.006178] [<c16138f2>] check_preemption_disabled+0xf2/0x100
[ 21.007078] [<c1613912>] debug_smp_processor_id+0x12/0x20
[ 21.007923] [<c115e37b>] kmem_cache_alloc+0x4b/0x2e0
[ 21.008729] [<c11787df>] ? getname_kernel+0x3f/0xa0
[ 21.009519] [<c11787df>] getname_kernel+0x3f/0xa0
[ 21.010296] [<c1000382>] run_init_process+0x12/0x30
[ 21.011096] [<c1eeb259>] kernel_init+0x39/0xe0
[ 21.011838] [<c1f033a1>] ret_from_kernel_thread+0x21/0x30
[ 21.012685] [<c1eeb220>] ? rest_init+0x80/0x80
[ 21.013428] BUG: using smp_processor_id() in preemptible [00000000] code: swapper/0/1
[ 21.014710] caller is debug_smp_processor_id+0x12/0x20
[ 21.015514] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 3.19.0-rc5-next-20150119-g9a0b319 #20
[ 21.016838] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.017714] 00000000 d36d5efc c1ef8e08 c2627200 00000001 d36d5f2c c16138f2 c2276ca0
[ 21.019516] c2275818 c22108b0 00000000 d36d82f0 00000001 c2275818 c2627238 d3401a20
[ 21.021337] 00000001 d36d5f34 c1613912 d36d5f5c c115e65b 000000c8 00000000 c117557f
[ 21.023124] Call Trace:
[ 21.023631] [<c1ef8e08>] dump_stack+0x4c/0x9b
[ 21.024354] [<c16138f2>] check_preemption_disabled+0xf2/0x100
[ 21.025240] [<c1613912>] debug_smp_processor_id+0x12/0x20
[ 21.026085] [<c115e65b>] kmem_cache_alloc_trace+0x4b/0x2b0
[ 21.026943] [<c117557f>] ? do_execveat_common+0xaf/0x6f0
[ 21.027777] [<c1057e48>] ? unshare_files+0x28/0x70
[ 21.028559] [<c117557f>] do_execveat_common+0xaf/0x6f0
[ 21.029376] [<c115e44f>] ? kmem_cache_alloc+0x11f/0x2e0
[ 21.030216] [<c11787df>] ? getname_kernel+0x3f/0xa0
[ 21.031005] [<c1175bd9>] do_execve+0x19/0x20
[ 21.031731] [<c1000391>] run_init_process+0x21/0x30
[ 21.032524] [<c1eeb259>] kernel_init+0x39/0xe0
[ 21.033259] [<c1f033a1>] ret_from_kernel_thread+0x21/0x30
[ 21.034101] [<c1eeb220>] ? rest_init+0x80/0x80
[ 21.034843] BUG: using smp_processor_id() in preemptible [00000000] code: swapper/0/1
[ 21.036109] caller is debug_smp_processor_id+0x12/0x20
[ 21.036919] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 3.19.0-rc5-next-20150119-g9a0b319 #20
[ 21.038253] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.039130] 00000000 d36d5ed0 c1ef8e08 c2629300 00000001 d36d5f00 c16138f2 c2276ca0
[ 21.040941] c2275818 c22108b0 00000000 d36d82f0 00000001 c2275818 c2629378 d340c6c0
[ 21.042721] 00000001 d36d5f08 c1613912 d36d5f2c c115e37b 00000000 c1077501 000000d0
[ 21.044511] Call Trace:
[ 21.045012] [<c1ef8e08>] dump_stack+0x4c/0x9b
[ 21.045741] [<c16138f2>] check_preemption_disabled+0xf2/0x100
[ 21.046719] [<c1613912>] debug_smp_processor_id+0x12/0x20
[ 21.047569] [<c115e37b>] kmem_cache_alloc+0x4b/0x2e0
[ 21.048366] [<c1077501>] ? prepare_creds+0x21/0xd0
[ 21.049152] [<c1077501>] prepare_creds+0x21/0xd0
[ 21.049922] [<c10775be>] prepare_exec_creds+0xe/0x40
[ 21.050754] [<c117507e>] prepare_bprm_creds+0x2e/0x90
[ 21.051577] [<c117558f>] do_execveat_common+0xbf/0x6f0
[ 21.052389] [<c115e44f>] ? kmem_cache_alloc+0x11f/0x2e0
[ 21.053226] [<c11787df>] ? getname_kernel+0x3f/0xa0
[ 21.054023] [<c1175bd9>] do_execve+0x19/0x20
[ 21.054749] [<c1000391>] run_init_process+0x21/0x30
[ 21.055545] [<c1eeb259>] kernel_init+0x39/0xe0
[ 21.056284] [<c1f033a1>] ret_from_kernel_thread+0x21/0x30
[ 21.057150] [<c1eeb220>] ? rest_init+0x80/0x80
[ 21.057909] BUG: using smp_processor_id() in preemptible [00000000] code: swapper/0/1
[ 21.059187] caller is debug_smp_processor_id+0x12/0x20
[ 21.060002] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 3.19.0-rc5-next-20150119-g9a0b319 #20
[ 21.061367] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.062243] 00000000 d36d5ea0 c1ef8e08 c2626f00 00000001 d36d5ed0 c16138f2 c2276ca0
[ 21.064052] c2275818 c22108b0 00000000 d36d82f0 00000001 c2275818 c2626fe0 d3401240
[ 21.065852] 00000001 d36d5ed8 c1613912 d36d5f00 c1160dbb c22108b0 00000018 000000d0
[ 21.067664] Call Trace:
[ 21.068163] [<c1ef8e08>] dump_stack+0x4c/0x9b
[ 21.068898] [<c16138f2>] check_preemption_disabled+0xf2/0x100
[ 21.069788] [<c1613912>] debug_smp_processor_id+0x12/0x20
[ 21.070660] [<c1160dbb>] __kmalloc_track_caller+0xbb/0x310
[ 21.071529] [<c1557d98>] ? selinux_cred_prepare+0x18/0x30
[ 21.072376] [<c1135abb>] kmemdup+0x1b/0x70
[ 21.073078] [<c1557d98>] selinux_cred_prepare+0x18/0x30
[ 21.073908] [<c15523f5>] security_prepare_creds+0x15/0x20
[ 21.074758] [<c107757e>] prepare_creds+0x9e/0xd0
[ 21.075522] [<c10775be>] prepare_exec_creds+0xe/0x40
[ 21.076316] [<c117507e>] prepare_bprm_creds+0x2e/0x90
[ 21.077145] [<c117558f>] do_execveat_common+0xbf/0x6f0
[ 21.077972] [<c115e44f>] ? kmem_cache_alloc+0x11f/0x2e0
[ 21.078796] [<c11787df>] ? getname_kernel+0x3f/0xa0
[ 21.079658] [<c1175bd9>] do_execve+0x19/0x20
[ 21.080416] [<c1000391>] run_init_process+0x21/0x30
[ 21.081207] [<c1eeb259>] kernel_init+0x39/0xe0
[ 21.081965] [<c1f033a1>] ret_from_kernel_thread+0x21/0x30
[ 21.082820] [<c1eeb220>] ? rest_init+0x80/0x80
[ 21.083645] BUG: using smp_processor_id() in preemptible [00000000] code: swapper/0/1
[ 21.086668] caller is debug_smp_processor_id+0x12/0x20
[ 21.088527] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.19.0-rc5-next-20150119-g9a0b319 #20
[ 21.091115] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.092803] 00000000 d36d5df8 c1ef8e08 c2629b00 00000000 d36d5e28 c16138f2 c2276ca0
[ 21.096294] c2275818 c22108b0 00000000 d36d82f0 00000001 c2275818 c2629be8 d3648120
[ 21.098264] 00000000 d36d5e30 c1613912 d36d5e54 c115e37b d3401240 c116fe83 000080d0
[ 21.100141] Call Trace:
[ 21.100672] [<c1ef8e08>] dump_stack+0x4c/0x9b
[ 21.101428] [<c16138f2>] check_preemption_disabled+0xf2/0x100
[ 21.102339] [<c1613912>] debug_smp_processor_id+0x12/0x20
[ 21.103227] [<c115e37b>] kmem_cache_alloc+0x4b/0x2e0
[ 21.104055] [<c116fe83>] ? get_empty_filp+0x53/0x210
[ 21.104883] [<c116fe83>] get_empty_filp+0x53/0x210
[ 21.105687] [<c117ced1>] path_openat+0x21/0x780
[ 21.106477] [<c1087493>] ? update_curr+0x83/0x240
[ 21.107267] [<c117d65c>] do_filp_open+0x2c/0xb0
[ 21.108043] [<c108050e>] ? preempt_count_sub+0x13e/0x150
[ 21.108906] [<c1f02adc>] ? _raw_spin_unlock_irq+0x4c/0x60
[ 21.109777] [<c107c360>] ? finish_task_switch+0xb0/0x120
[ 21.110658] [<c108050e>] ? preempt_count_sub+0x13e/0x150
[ 21.111523] [<c1efe94f>] ? __schedule+0x5af/0xab0
[ 21.112385] [<c11738d4>] do_open_execat+0x64/0x130
[ 21.113211] [<c11756aa>] do_execveat_common+0x1da/0x6f0
[ 21.114069] [<c1175bd9>] do_execve+0x19/0x20
[ 21.114826] [<c1000391>] run_init_process+0x21/0x30
[ 21.115652] [<c1eeb259>] kernel_init+0x39/0xe0
[ 21.116437] [<c1f033a1>] ret_from_kernel_thread+0x21/0x30
[ 21.117313] [<c1eeb220>] ? rest_init+0x80/0x80
[ 21.118090] BUG: using smp_processor_id() in preemptible [00000000] code: swapper/0/1
[ 21.119426] caller is debug_smp_processor_id+0x12/0x20
[ 21.120271] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.19.0-rc5-next-20150119-g9a0b319 #20
[ 21.121672] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.122587] 00000000 d36d5dd8 c1ef8e08 c2626f00 00000000 d36d5e08 c16138f2 c2276ca0
[ 21.124464] c2275818 c22108b0 00000000 d36d82f0 00000001 c2275818 c2626f68 d3401d80
[ 21.126320] 00000000 d36d5e10 c1613912 d36d5e38 c115e65b 00000010 d36d5e2c c1558db2
[ 21.128215] Call Trace:
[ 21.128750] [<c1ef8e08>] dump_stack+0x4c/0x9b
[ 21.129512] [<c16138f2>] check_preemption_disabled+0xf2/0x100
[ 21.130447] [<c1613912>] debug_smp_processor_id+0x12/0x20
[ 21.131313] [<c115e65b>] kmem_cache_alloc_trace+0x4b/0x2b0
[ 21.132205] [<c1558db2>] ? selinux_file_alloc_security+0x32/0x50
[ 21.133163] [<c1558db2>] selinux_file_alloc_security+0x32/0x50
[ 21.134099] [<c1552184>] security_file_alloc+0x14/0x20
[ 21.134951] [<c116fed4>] get_empty_filp+0xa4/0x210
[ 21.135754] [<c117ced1>] path_openat+0x21/0x780
[ 21.136537] [<c1087493>] ? update_curr+0x83/0x240
[ 21.137331] [<c117d65c>] do_filp_open+0x2c/0xb0
[ 21.138108] [<c108050e>] ? preempt_count_sub+0x13e/0x150
[ 21.138975] [<c1f02adc>] ? _raw_spin_unlock_irq+0x4c/0x60
[ 21.139847] [<c107c360>] ? finish_task_switch+0xb0/0x120
[ 21.140739] [<c108050e>] ? preempt_count_sub+0x13e/0x150
[ 21.141611] [<c1efe94f>] ? __schedule+0x5af/0xab0
[ 21.142411] [<c11738d4>] do_open_execat+0x64/0x130
[ 21.143218] [<c11756aa>] do_execveat_common+0x1da/0x6f0
[ 21.144070] [<c1175bd9>] do_execve+0x19/0x20
[ 21.144812] [<c1000391>] run_init_process+0x21/0x30
[ 21.145634] [<c1eeb259>] kernel_init+0x39/0xe0
[ 21.146398] [<c1f033a1>] ret_from_kernel_thread+0x21/0x30
[ 21.147284] [<c1eeb220>] ? rest_init+0x80/0x80
[ 21.148146] BUG: using smp_processor_id() in preemptible [00000000] code: swapper/0/1
[ 21.150858] caller is debug_smp_processor_id+0x12/0x20
[ 21.152583] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 3.19.0-rc5-next-20150119-g9a0b319 #20
[ 21.155328] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.156793] 00000000 d36d5ef0 c1ef8e08 c2629600 00000001 d36d5f20 c16138f2 c2276ca0
[ 21.160640] c2275818 c22108b0 00000000 d36d82f0 00000001 c2275818 c26296c0 d3646c60
[ 21.162429] 00000001 d36d5f28 c1613912 d36d5f4c c115e37b 00000001 c1055a09 000000d0
[ 21.164205] Call Trace:
[ 21.164716] [<c1ef8e08>] dump_stack+0x4c/0x9b
[ 21.165443] [<c16138f2>] check_preemption_disabled+0xf2/0x100
[ 21.166323] [<c1613912>] debug_smp_processor_id+0x12/0x20
[ 21.167178] [<c115e37b>] kmem_cache_alloc+0x4b/0x2e0
[ 21.167974] [<c1055a09>] ? mm_alloc+0x19/0x70
[ 21.168707] [<c1080125>] ? sched_exec+0x95/0xc0
[ 21.169461] [<c1055a09>] mm_alloc+0x19/0x70
[ 21.170183] [<c11757ac>] do_execveat_common+0x2dc/0x6f0
[ 21.171012] [<c1175bd9>] do_execve+0x19/0x20
[ 21.171736] [<c1000391>] run_init_process+0x21/0x30
[ 21.172521] [<c1eeb259>] kernel_init+0x39/0xe0
[ 21.173254] [<c1f033a1>] ret_from_kernel_thread+0x21/0x30
[ 21.174100] [<c1eeb220>] ? rest_init+0x80/0x80
[ 21.174877] BUG: using smp_processor_id() in preemptible [00000000] code: swapper/0/1
[ 21.176149] caller is debug_smp_processor_id+0x12/0x20
[ 21.176969] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 3.19.0-rc5-next-20150119-g9a0b319 #20
[ 21.178296] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.179173] 00000000 d36d5f00 c1ef8e08 c2629700 00000001 d36d5f30 c16138f2 c2276ca0
[ 21.180981] c2275818 c22108b0 00000000 d36d82f0 00000001 c2275818 c2629738 d3646360
[ 21.182771] 00000001 d36d5f38 c1613912 d36d5f5c c115e37b d0532280 c11757cb 000080d0
[ 21.184559] Call Trace:
[ 21.185056] [<c1ef8e08>] dump_stack+0x4c/0x9b
[ 21.185791] [<c16138f2>] check_preemption_disabled+0xf2/0x100
[ 21.186685] [<c1613912>] debug_smp_processor_id+0x12/0x20
[ 21.187543] [<c115e37b>] kmem_cache_alloc+0x4b/0x2e0
[ 21.188332] [<c11757cb>] ? do_execveat_common+0x2fb/0x6f0
[ 21.189179] [<c11757cb>] do_execveat_common+0x2fb/0x6f0
[ 21.190023] [<c1175bd9>] do_execve+0x19/0x20
[ 21.190748] [<c1000391>] run_init_process+0x21/0x30
[ 21.191547] [<c1eeb259>] kernel_init+0x39/0xe0
[ 21.192286] [<c1f033a1>] ret_from_kernel_thread+0x21/0x30
[ 21.193129] [<c1eeb220>] ? rest_init+0x80/0x80
[ 21.193923] BUG: using smp_processor_id() in preemptible [00000000] code: swapper/0/1
[ 21.195202] caller is debug_smp_processor_id+0x12/0x20
[ 21.196009] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 3.19.0-rc5-next-20150119-g9a0b319 #20
[ 21.197351] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.198227] 00000000 d36d5da0 c1ef8e08 c2629000 00000001 d36d5dd0 c16138f2 c2276ca0
[ 21.200033] c2275818 c22108b0 00000000 d36d82f0 00000001 c2275818 c26290a8 d340c360
[ 21.201830] 00000001 d36d5dd8 c1613912 d36d5dfc c115e37b c108490a c1153272 000000d0
Thanks,
Huang, Ying
View attachment "config-3.19.0-rc4-gd2dc807" of type "text/plain" (98313 bytes)
View attachment ".dmesg" of type "text/plain" (51226 bytes)
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