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Date: Tue, 24 Jul 2018 15:29:56 +0800
From: kernel test robot <rong.a.chen@...el.com>
To: "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Cc: LKML <linux-kernel@...r.kernel.org>,
"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>, lkp@...org
Subject: [LKP] [rcu] baf24235a0:
page_allocation_failure:order:#,mode:#(),nodemask=(null)
FYI, we noticed the following commit (built with gcc-6):
commit: baf24235a013d547c2a8be2de9c1cf37a290d56e ("rcu: Define RCU-sched API in terms of RCU for Tree RCU PREEMPT builds")
https://git.kernel.org/cgit/linux/kernel/git/paulmck/linux-rcu.git dev
in testcase: boot
on test machine: qemu-system-x86_64 -enable-kvm -smp 2 -m 512M
caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):
+-----------------------------------------------------------------------------------------------------------+------------+------------+
| | 77401241ff | baf24235a0 |
+-----------------------------------------------------------------------------------------------------------+------------+------------+
| boot_successes | 0 | 0 |
| boot_failures | 12 | 30 |
| Kernel_panic-not_syncing:cannot_initialize_percpu_area(err=-#) | 8 | |
| Kernel_panic-not_syncing:cannot_initialize_percpu_area(err=-#)] | 8 | |
| Kernel_panic-not_syncing:memblock_virt_alloc_try_nid:Failed_to_allocate#bytes_align=#nid=#from=#max_addr= | 2 | 2 |
| invoked_oom-killer:gfp_mask=0x | 2 | |
| Mem-Info | 2 | 28 |
| Kernel_panic-not_syncing:Out_of_memory_and_no_killable_processes | 2 | |
| page_allocation_failure:order:#,mode:#(),nodemask=(null) | 0 | 28 |
| page_allocation_failure:order:#,mode:#(__GFP_COMP),nodemask=(null) | 0 | 28 |
| BUG:KASAN:null-ptr-deref_in_c | 0 | 28 |
| BUG:unable_to_handle_kernel | 0 | 28 |
| Oops:#[##] | 0 | 28 |
| RIP:cpupri_set | 0 | 28 |
| Kernel_panic-not_syncing:Fatal_exception | 0 | 28 |
+-----------------------------------------------------------------------------------------------------------+------------+------------+
[ 0.000000] ** If you see this message and you are not debugging **
[ 0.000000] ** the kernel, report this immediately to your vendor! **
[ 0.000000] ** **
[ 0.000000] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE **
[ 0.000000] **********************************************************
[ 0.000000] swapper: page allocation failure: order:0, mode:0x0(), nodemask=(null)
[ 0.000000] CPU: 0 PID: 0 Comm: swapper Tainted: G T 4.18.0-rc5-00186-gbaf2423 #2
[ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1 04/01/2014
[ 0.000000] Call Trace:
[ 0.000000] dump_stack+0x15a/0x218
[ 0.000000] warn_alloc+0x1fc/0x2e0
[ 0.000000] ? zone_watermark_ok_safe+0x1c0/0x1c0
[ 0.000000] ? __asan_loadN+0xf/0x20
[ 0.000000] ? __asan_loadN+0xf/0x20
[ 0.000000] ? ftrace_likely_update+0x2c9/0x320
[ 0.000000] ? __isolate_free_page+0x420/0x420
[ 0.000000] ? __asan_loadN+0xf/0x20
[ 0.000000] ? ftrace_likely_update+0x2c9/0x320
[ 0.000000] __alloc_pages_nodemask+0x21e9/0x2d20
[ 0.000000] ? start_kernel+0x31a/0x830
[ 0.000000] ? lock_release+0x745/0x7d0
[ 0.000000] ? __native_queued_spin_unlock+0xd/0x20
[ 0.000000] ? gfp_pfmemalloc_allowed+0x1e0/0x1e0
[ 0.000000] ? ftrace_likely_update+0x2c9/0x320
[ 0.000000] ? cache_alloc_refill+0x35d/0x5d0
[ 0.000000] ? kmem_cache_alloc_node_trace+0x4a2/0x570
[ 0.000000] ? __kmalloc_node+0x62/0x90
[ 0.000000] ? __kmalloc_node+0x76/0x90
[ 0.000000] rb_allocate_cpu_buffer+0x32e/0x5d0
[ 0.000000] ? rb_check_pages+0x360/0x360
[ 0.000000] ? __kmalloc+0x438/0x550
[ 0.000000] ? __ring_buffer_alloc+0x169/0x320
[ 0.000000] __ring_buffer_alloc+0x1d4/0x320
[ 0.000000] early_trace_init+0x246/0x533
[ 0.000000] start_kernel+0x31a/0x830
[ 0.000000] ? mem_encrypt_init+0x10/0x10
[ 0.000000] x86_64_start_reservations+0x2a/0x2c
[ 0.000000] x86_64_start_kernel+0x77/0x7a
[ 0.000000] secondary_startup_64+0xa5/0xb0
[ 0.000000] Mem-Info:
[ 0.000000] active_anon:0 inactive_anon:0 isolated_anon:0
[ 0.000000] active_file:0 inactive_file:0 isolated_file:0
[ 0.000000] unevictable:0 dirty:0 writeback:0 unstable:0
[ 0.000000] slab_reclaimable:0 slab_unreclaimable:11
[ 0.000000] mapped:0 shmem:0 pagetables:0 bounce:0
[ 0.000000] free:0 free_pcp:0 free_cma:0
[ 0.000000] Node 0 active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[ 0.000000] Node 0 DMA free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:88kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 0.000000] lowmem_reserve[]: 0 0 0 0
[ 0.000000] Node 0 DMA32 free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:507776kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[ 0.000000] lowmem_reserve[]: 0 0 0 0
[ 0.000000] Node 0 DMA: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 0.000000] Node 0 DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
[ 0.000000] 0 total pagecache pages
[ 0.000000] 130942 pages RAM
[ 0.000000] 0 pages HighMem/MovableOnly
[ 0.000000] 130920 pages reserved
[ 0.000000] 0 pages cma reserved
[ 0.003333] swapper: page allocation failure: order:0, mode:0x4000(__GFP_COMP), nodemask=(null)
[ 0.003333] CPU: 0 PID: 0 Comm: swapper Tainted: G T 4.18.0-rc5-00186-gbaf2423 #2
[ 0.003333] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1 04/01/2014
[ 0.003333] Call Trace:
[ 0.003333] dump_stack+0x15a/0x218
[ 0.003333] warn_alloc+0x1fc/0x2e0
[ 0.003333] ? zone_watermark_ok_safe+0x1c0/0x1c0
[ 0.003333] ? ftrace_likely_update+0x2c9/0x320
[ 0.003333] ? __isolate_free_page+0x420/0x420
[ 0.003333] ? __asan_loadN+0xf/0x20
[ 0.003333] ? ftrace_likely_update+0x2c9/0x320
[ 0.003333] __alloc_pages_nodemask+0x21e9/0x2d20
[ 0.003333] ? ftrace_likely_update+0x2c9/0x320
[ 0.003333] ? gfp_pfmemalloc_allowed+0x1e0/0x1e0
[ 0.003333] ? gfp_pfmemalloc_allowed+0x1e0/0x1e0
[ 0.003333] ? kvm_clock_read+0x64/0x90
[ 0.003333] ? check_chain_key+0x191/0x1f0
[ 0.003333] ? ftrace_likely_update+0x2c9/0x320
[ 0.003333] cache_grow_begin+0x7be/0x8a0
[ 0.003333] ? ftrace_likely_update+0x2c9/0x320
[ 0.003333] ? __asan_loadN+0xf/0x20
[ 0.003333] fallback_alloc+0x26b/0x2b0
[ 0.003333] ____cache_alloc_node+0x295/0x2c0
[ 0.003333] kmem_cache_alloc_node_trace+0x1d2/0x570
[ 0.003333] __kmalloc_node+0x62/0x90
[ 0.003333] alloc_cpumask_var_node+0x40/0x60
[ 0.003333] zalloc_cpumask_var+0x23/0x30
[ 0.003333] cpupri_init+0x53/0x1c0
[ 0.003333] init_rootdomain+0x1ea/0x290
[ 0.003333] ? __raw_spin_lock_init+0x6d/0x80
[ 0.003333] init_defrootdomain+0x15/0x40
[ 0.003333] sched_init+0x1ec/0x639
[ 0.003333] start_kernel+0x31f/0x830
[ 0.003333] ? mem_encrypt_init+0x10/0x10
[ 0.003333] x86_64_start_reservations+0x2a/0x2c
[ 0.003333] x86_64_start_kernel+0x77/0x7a
[ 0.003333] secondary_startup_64+0xa5/0xb0
[ 0.003333] ==================================================================
[ 0.003333] BUG: KASAN: null-ptr-deref in cpupri_set+0x41/0x250
[ 0.003333] Read of size 4 at addr 0000000000000000 by task swapper/0
[ 0.003333]
[ 0.003333] CPU: 0 PID: 0 Comm: swapper Tainted: G T 4.18.0-rc5-00186-gbaf2423 #2
[ 0.003333] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1 04/01/2014
[ 0.003333] Call Trace:
[ 0.003333] dump_stack+0x15a/0x218
[ 0.003333] ? cpupri_set+0x41/0x250
[ 0.003333] kasan_report+0x321/0x3a0
[ 0.003333] __asan_load4+0x78/0x80
[ 0.003333] cpupri_set+0x41/0x250
[ 0.003333] rq_online_rt+0x229/0x240
[ 0.003333] ? rq_offline_rt+0x560/0x560
[ 0.003333] set_rq_online+0xf7/0x120
[ 0.003333] rq_attach_root+0x1fd/0x260
[ 0.003333] sched_init+0x49b/0x639
[ 0.003333] start_kernel+0x31f/0x830
[ 0.003333] ? mem_encrypt_init+0x10/0x10
[ 0.003333] x86_64_start_reservations+0x2a/0x2c
[ 0.003333] x86_64_start_kernel+0x77/0x7a
[ 0.003333] secondary_startup_64+0xa5/0xb0
[ 0.003333] ==================================================================
[ 0.003333] Disabling lock debugging due to kernel taint
[ 0.003333] BUG: unable to handle kernel NULL pointer dereference at 0000000000000000
[ 0.003333] PGD 0 P4D 0
[ 0.003333] Oops: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC KASAN
[ 0.003333] CPU: 0 PID: 0 Comm: swapper Tainted: G B T 4.18.0-rc5-00186-gbaf2423 #2
[ 0.003333] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1 04/01/2014
[ 0.003333] RIP: 0010:cpupri_set+0x43/0x250
[ 0.003333] Code: 06 00 00 41 89 f7 89 d3 48 83 ec 10 e8 b6 f2 31 00 49 8b 84 24 60 06 00 00 49 63 d7 4c 8d 34 90 4c 89 f7 e8 9f f1 31 00 89 df <4d> 63 2e e8 75 fc ff ff 83 f8 65 89 c3 48 c7 c7 48 99 dc 89 0f 9f
[ 0.003333] RSP: 0000:ffffffff88407d38 EFLAGS: 00010086
[ 0.003333] RAX: ffffffff8847d8c0 RBX: 0000000000000064 RCX: ffffffff85cb57f7
[ 0.003333] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000064
[ 0.003333] RBP: ffffffff88407d70 R08: fffffbfff140a636 R09: fffffbfff140a635
[ 0.003333] R10: ffffffff8a0531af R11: fffffbfff140a636 R12: ffffffff8b64cd30
[ 0.003333] R13: ffffc900001ed2e0 R14: 0000000000000000 R15: 0000000000000000
[ 0.003333] FS: 0000000000000000(0000) GS:ffffc90000000000(0000) knlGS:0000000000000000
[ 0.003333] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 0.003333] CR2: 0000000000000000 CR3: 0000000008472000 CR4: 00000000000006b0
[ 0.003333] Call Trace:
[ 0.003333] rq_online_rt+0x229/0x240
[ 0.003333] ? rq_offline_rt+0x560/0x560
[ 0.003333] set_rq_online+0xf7/0x120
[ 0.003333] rq_attach_root+0x1fd/0x260
[ 0.003333] sched_init+0x49b/0x639
[ 0.003333] start_kernel+0x31f/0x830
[ 0.003333] ? mem_encrypt_init+0x10/0x10
[ 0.003333] x86_64_start_reservations+0x2a/0x2c
[ 0.003333] x86_64_start_kernel+0x77/0x7a
[ 0.003333] secondary_startup_64+0xa5/0xb0
[ 0.003333] CR2: 0000000000000000
[ 0.003333] ---[ end trace da0df213fc649136 ]---
[ 0.003333] RIP: 0010:cpupri_set+0x43/0x250
[ 0.003333] Code: 06 00 00 41 89 f7 89 d3 48 83 ec 10 e8 b6 f2 31 00 49 8b 84 24 60 06 00 00 49 63 d7 4c 8d 34 90 4c 89 f7 e8 9f f1 31 00 89 df <4d> 63 2e e8 75 fc ff ff 83 f8 65 89 c3 48 c7 c7 48 99 dc 89 0f 9f
[ 0.003333] RSP: 0000:ffffffff88407d38 EFLAGS: 00010086
[ 0.003333] RAX: ffffffff8847d8c0 RBX: 0000000000000064 RCX: ffffffff85cb57f7
[ 0.003333] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000064
[ 0.003333] RBP: ffffffff88407d70 R08: fffffbfff140a636 R09: fffffbfff140a635
[ 0.003333] R10: ffffffff8a0531af R11: fffffbfff140a636 R12: ffffffff8b64cd30
[ 0.003333] R13: ffffc900001ed2e0 R14: 0000000000000000 R15: 0000000000000000
[ 0.003333] FS: 0000000000000000(0000) GS:ffffc90000000000(0000) knlGS:0000000000000000
[ 0.003333] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 0.003333] CR2: 0000000000000000 CR3: 0000000008472000 CR4: 00000000000006b0
[ 0.003333] Kernel panic - not syncing: Fatal exception
Elapsed time: 10
#!/bin/bash
To reproduce:
git clone https://github.com/intel/lkp-tests.git
cd lkp-tests
bin/lkp qemu -k <bzImage> job-script # job-script is attached in this email
Thanks,
Rong, Chen
View attachment "config-4.18.0-rc5-00186-gbaf2423" of type "text/plain" (127423 bytes)
View attachment "job-script" of type "text/plain" (3948 bytes)
Download attachment "dmesg.xz" of type "application/x-xz" (5484 bytes)
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