Michal Hocko wrote: > On Wed 10-01-18 22:37:52, Tetsuo Handa wrote: > > Michal Hocko wrote: > > > On Wed 10-01-18 20:49:56, Tetsuo Handa wrote: > > > > Tetsuo Handa wrote: > > > > > I can hit this bug with Linux 4.11 and 4.8. (i.e. at least all 4.8+ have this bug.) > > > > > So far I haven't hit this bug with Linux 4.8-rc3 and 4.7. > > > > > Does anyone know what is happening? > > > > > > > > I simplified the reproducer and succeeded to reproduce this bug with both > > > > i7-2630QM (8 core) and i5-4440S (4 core). Thus, I think that this bug is > > > > not architecture specific. > > > > > > Can you see the same with 64b kernel? > > > > No. I can hit this bug with only x86_32 kernels. > > But if the cause is not specific to 32b, this might be silent memory corruption. > > > > > It smells like a ref count imbalance and premature page free to me. Can > > > you try to bisect this? > > > > Too difficult to bisect, but at least I can hit this bug with 4.8+ kernels. The bug in 4.8 kernel might be different from the bug in 4.15-rc7 kernel. 4.15-rc7 kernel hits the bug so trivially. ---------------------------------------- [ 201.838763] Out of memory: Kill process 1131 (a.out) score 20 or sacrifice child [ 201.841780] Killed process 1131 (a.out) total-vm:2099264kB, anon-rss:66060kB, file-rss:8kB, shmem-rss:0kB [ 201.891026] ------------[ cut here ]------------ [ 201.893343] kernel BUG at ./include/linux/swap.h:276! [ 201.895973] invalid opcode: 0000 [#1] SMP DEBUG_PAGEALLOC [ 201.898707] Modules linked in: ip6t_rpfilter ipt_REJECT nf_reject_ipv4 ip6t_REJECT nf_reject_ipv6 xt_conntrack ip_set nfnetlink ebtable_nat ebtable_broute bridge stp llc ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_raw iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_raw ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter intel_powerclamp coretemp vmw_balloon ppdev pcspkr sg vmw_vmci i2c_piix4 shpchp parport_pc parport ip_tables xfs libcrc32c sr_mod cdrom sd_mod ata_generic pata_acpi serio_raw mptspi scsi_transport_spi mptscsih e1000 mptbase ata_piix libata [ 201.924427] CPU: 0 PID: 3495 Comm: a.out Not tainted 4.8.0 #2 [ 201.927017] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/02/2015 [ 201.932381] task: e47d3240 task.stack: ec032000 [ 201.934796] EIP: 0060:[<c80f557e>] EFLAGS: 00010046 CPU: 0 [ 201.937460] EIP is at page_cache_tree_insert+0xbe/0xc0 [ 201.939766] EAX: f41663d8 EBX: f41f8930 ECX: 00000004 EDX: f41663f0 [ 201.942672] ESI: f5243b38 EDI: 00000000 EBP: ec033d24 ESP: ec033d04 [ 201.945483] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 [ 201.948112] CR0: 80050033 CR2: b77792c9 CR3: 275d1000 CR4: 000406d0 [ 201.950866] Stack: [ 201.952302] ec033d0c ec033d10 f41663d8 f41663f0 ceaaa77b f5243b38 00000000 f41f8930 [ 201.955563] ec033d54 c80f5ef6 ec033d40 00000000 ec033d64 00000000 f41f8930 f44192e8 [ 201.958862] ceaaa77b f5243b38 0242134a f5243b38 ec033d78 c80f61dd 0242134a ec033d64 [ 201.962307] Call Trace: [ 201.964005] [<c80f5ef6>] __add_to_page_cache_locked+0xb6/0x1e0 [ 201.966584] [<c80f61dd>] add_to_page_cache_lru+0x4d/0xf0 [ 201.968890] [<c8198f6b>] mpage_readpages+0xcb/0x170 [ 201.971104] [<c80ff2e3>] ? __alloc_pages_nodemask+0x243/0x950 [ 201.973560] [<f8ae8050>] ? __xfs_get_blocks+0x690/0x690 [xfs] [ 201.975997] [<c826713e>] ? __radix_tree_lookup+0x6e/0xd0 [ 201.978531] [<f8ae7070>] ? xfs_vm_bmap+0x60/0x60 [xfs] [ 201.981085] [<f8ae7089>] xfs_vm_readpages+0x19/0x20 [xfs] [ 201.983488] [<f8ae8050>] ? __xfs_get_blocks+0x690/0x690 [xfs] [ 201.985931] [<c8103b10>] __do_page_cache_readahead+0x1a0/0x260 [ 201.988386] [<c80f959d>] filemap_fault+0x31d/0x540 [ 201.990536] [<c8266135>] ? radix_tree_next_chunk+0xe5/0x2e0 [ 201.992916] [<f8af1dfb>] xfs_filemap_fault+0x2b/0x40 [xfs] [ 201.995335] [<c811fca5>] __do_fault+0x65/0xe0 [ 201.997574] [<c80f6a20>] ? find_lock_entry+0xb0/0xb0 [ 201.999932] [<c8124a30>] handle_mm_fault+0x810/0xa30 [ 202.002104] [<c80f6a20>] ? find_lock_entry+0xb0/0xb0 [ 202.004240] [<c8044519>] __do_page_fault+0x199/0x470 [ 202.006396] [<c80447f0>] ? __do_page_fault+0x470/0x470 [ 202.008554] [<c804480a>] do_page_fault+0x1a/0x20 [ 202.010537] [<c85e1727>] error_code+0x67/0x6c [ 202.012611] Code: 49 7f 02 00 31 c0 8b 5d f0 65 33 1d 14 00 00 00 75 12 83 c4 14 5b 5e 5f 5d c3 8d 76 00 b8 ef ff ff ff eb e2 e8 b4 b3 f5 ff 0f 0b <0f> 0b 55 89 e5 83 ec 28 65 8b 0d 14 00 00 00 89 4d fc 31 c9 c7 [ 202.022555] EIP: [<c80f557e>] page_cache_tree_insert+0xbe/0xc0 SS:ESP 0068:ec033d04 [ 202.025375] ---[ end trace 0a3a1155cbc67d7f ]--- ---------------------------------------- > > > > The XXX in "count:XXX mapcount:XXX mapping:XXX index:XXX" are rather random > > as if they are overwritten. > > > > [ 44.103192] page:5a5a0697 count:-1055023618 mapcount:-1055030029 mapping:26f4be11 index:0xc11d7c83 > > Yes, this looks like somebody is clobbering the page. I've seen one with > refcount 0 so I though this would be a ref count issue. But the one > below looks definitely like a memory corruption. A nasty one to debug :/ > > All of those seem to be file pages. So maybe try to use a different FS. Maybe that's the next thing I should try. > > > [ 44.103196] flags: 0xc10528fe(waiters|error|referenced|uptodate|dirty|lru|active|reserved|private_2|mappedtodisk|swapbacked) > > [ 44.103200] raw: c10528fe c114fff7 c11d7c83 c11d84f2 c11d9dfe c11daa34 c11daaa0 c13e65df > > [ 44.103201] raw: c13e4a1c c13e4c62 > > [ 44.103202] page dumped because: VM_BUG_ON_PAGE(page_ref_count(page) <= 0) > > [ 44.103203] page->mem_cgroup:35401b27 > > > > [ 192.152510] BUG: Bad page state in process a.out pfn:18566 > > [ 192.152513] page:f72997f0 count:0 mapcount:8 mapping:f118f5a4 index:0x0 > > [ 192.152516] flags: 0x19010019(locked|uptodate|dirty|mappedtodisk) > > [ 192.152520] raw: 19010019 f118f5a4 00000000 00000007 00000000 f7299804 f7299804 00000000 > > [ 192.152521] raw: 00000000 00000000 > > [ 192.152521] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set > > [ 192.152522] bad because of flags: 0x1(locked) > > > > [ 77.872133] BUG: Bad page state in process a.out pfn:1873a > > [ 77.872136] page:f729e110 count:0 mapcount:6 mapping:f1187224 index:0x0 > > [ 77.872138] flags: 0x19010019(locked|uptodate|dirty|mappedtodisk) > > [ 77.872141] raw: 19010019 f1187224 00000000 00000005 00000000 f729e124 f729e124 00000000 > > [ 77.872141] raw: 00000000 00000000 > > [ 77.872142] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set > > [ 77.872142] bad because of flags: 0x1(locked) > > > > [ 188.992549] BUG: Bad page state in process a.out pfn:197ea > > [ 188.992551] page:f72c7c90 count:0 mapcount:12 mapping:f11b8ca4 index:0x0 > > [ 188.992554] flags: 0x19010019(locked|uptodate|dirty|mappedtodisk) > > [ 188.992557] raw: 19010019 f11b8ca4 00000000 0000000b 00000000 f72c7ca4 f72c7ca4 00000000 > > [ 188.992557] raw: 00000000 00000000 > > [ 188.992558] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set > > [ 188.992559] bad because of flags: 0x1(locked) > I retested with some debug printk() patch. Complete log is at http://I-love.SAKURA.ne.jp/tmp/serial-4.15-rc7.zip ---------------------------------------- diff --git a/kernel/exit.c b/kernel/exit.c index 995453d..baa7cea 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -765,6 +765,7 @@ void __noreturn do_exit(long code) struct task_struct *tsk = current; int group_dead; + pr_info("exit(%s/%u): started do_exit()\n", tsk->comm, tsk->pid); profile_task_exit(tsk); kcov_task_exit(tsk); @@ -808,7 +809,9 @@ void __noreturn do_exit(long code) schedule(); } + pr_info("exit(%s/%u): started exit_signals()\n", tsk->comm, tsk->pid); exit_signals(tsk); /* sets PF_EXITING */ + pr_info("exit(%s/%u): ended exit_signals()\n", tsk->comm, tsk->pid); /* * Ensure that all new tsk->pi_lock acquisitions must observe * PF_EXITING. Serializes against futex.c:attach_to_pi_owner(). @@ -829,6 +832,7 @@ void __noreturn do_exit(long code) } /* sync mm's RSS info before statistics gathering */ + pr_info("exit(%s/%u): started sync_mm_rss()\n", tsk->comm, tsk->pid); if (tsk->mm) sync_mm_rss(tsk->mm); acct_update_integrals(tsk); @@ -849,8 +853,10 @@ void __noreturn do_exit(long code) tsk->exit_code = code; taskstats_exit(tsk, group_dead); + pr_info("exit(%s/%u): started exit_mm()\n", tsk->comm, tsk->pid); exit_mm(); - + pr_info("exit(%s/%u): ended exit_mm()\n", tsk->comm, tsk->pid); + if (group_dead) acct_process(); trace_sched_process_exit(tsk); @@ -919,6 +925,7 @@ void __noreturn do_exit(long code) exit_tasks_rcu_finish(); lockdep_free_task(tsk); + pr_info("exit(%s/%u): ended do_exit()\n", tsk->comm, tsk->pid); do_task_dead(); } EXPORT_SYMBOL_GPL(do_exit); diff --git a/mm/oom_kill.c b/mm/oom_kill.c index 29f8555..8bd3f25 100644 --- a/mm/oom_kill.c +++ b/mm/oom_kill.c @@ -505,6 +505,7 @@ static bool __oom_reap_task_mm(struct task_struct *tsk, struct mm_struct *mm) * # no TIF_MEMDIE task selects new victim * unmap_page_range # frees some memory */ + pr_info("oom_reaper: started reaping\n"); mutex_lock(&oom_lock); if (!down_read_trylock(&mm->mmap_sem)) { ---------------------------------------- ---------------------------------------- [ 38.988178] Out of memory: Kill process 354 (b.out) score 7 or sacrifice child [ 38.991145] Killed process 354 (b.out) total-vm:2099260kB, anon-rss:23288kB, file-rss:8kB, shmem-rss:0kB [ 38.996277] oom_reaper: started reaping [ 38.999033] BUG: unable to handle kernel paging request at c130d86d [ 39.001802] IP: _raw_spin_lock_irqsave+0x1c/0x40 [ 39.004069] *pde = 01f88063 *pte = 0130d161 [ 39.006250] Oops: 0003 [#1] SMP DEBUG_PAGEALLOC [ 39.008779] Modules linked in: xfs libcrc32c sd_mod sr_mod cdrom ata_generic pata_acpi serio_raw mptspi e1000 scsi_transport_spi mptscsih ata_piix mptbase libata [ 39.014942] CPU: 0 PID: 586 Comm: b.out Tainted: G W 4.15.0-rc7+ #303 [ 39.018014] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/02/2015 [ 39.022885] EIP: _raw_spin_lock_irqsave+0x1c/0x40 [ 39.025233] EFLAGS: 00010046 CPU: 0 [ 39.027220] EAX: 00000000 EBX: 00000001 ECX: c130d86d EDX: 00000000 [ 39.030090] ESI: 00000202 EDI: f3102100 EBP: ef6dda78 ESP: ef6dda70 [ 39.032714] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 [ 39.035214] CR0: 80050033 CR2: c130d86d CR3: 2f726000 CR4: 000406d0 [ 39.037889] Call Trace: [ 39.039470] ? acpi_ps_parse_aml+0x85/0x25c [ 39.041542] ? acpi_ps_parse_aml+0x1f9/0x25c [ 39.043562] lock_page_memcg+0x25/0x80 [ 39.045421] page_remove_rmap+0x87/0x2e0 [ 39.047315] try_to_unmap_one+0x20e/0x590 [ 39.049198] rmap_walk_file+0x13c/0x250 [ 39.051012] rmap_walk+0x32/0x60 [ 39.052619] try_to_unmap+0x4d/0x100 [ 39.054316] ? page_remove_rmap+0x2e0/0x2e0 [ 39.056196] ? page_not_mapped+0x10/0x10 [ 39.058001] ? page_get_anon_vma+0x80/0x80 [ 39.059849] shrink_page_list+0x3a2/0x1000 [ 39.061678] shrink_inactive_list+0x1b2/0x440 [ 39.063539] shrink_node_memcg+0x34a/0x770 [ 39.065297] shrink_node+0xbb/0x2e0 [ 39.066920] do_try_to_free_pages+0xba/0x320 [ 39.068752] try_to_free_pages+0x11d/0x330 [ 39.070499] ? __wake_up+0x1a/0x20 [ 39.072084] __alloc_pages_slowpath+0x303/0x6d9 [ 39.073910] ? __accumulate_pelt_segments+0x32/0x50 [ 39.075932] __alloc_pages_nodemask+0x16d/0x180 [ 39.077809] do_anonymous_page+0xab/0x4f0 [ 39.079551] handle_mm_fault+0x531/0x8d0 [ 39.081219] ? __phys_addr+0x32/0x70 [ 39.082797] ? load_new_mm_cr3+0x6a/0x90 [ 39.084422] __do_page_fault+0x1ea/0x4d0 [ 39.086034] ? __do_page_fault+0x4d0/0x4d0 [ 39.087666] do_page_fault+0x1a/0x20 [ 39.089184] common_exception+0x6f/0x76 [ 39.090708] EIP: 0x8048437 [ 39.091964] EFLAGS: 00010202 CPU: 0 [ 39.093435] EAX: 0018d000 EBX: 7ff00000 ECX: 38007008 EDX: 00000000 [ 39.095587] ESI: 7ff00000 EDI: 00000000 EBP: bf9f5e98 ESP: bf9f5e60 [ 39.097735] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b [ 39.099687] Code: eb f2 8d b6 00 00 00 00 8d bc 27 00 00 00 00 55 89 c1 89 e5 56 53 9c 58 66 66 66 90 89 c6 fa 66 66 90 66 90 31 c0 bb 01 00 00 00 <3e> 0f b1 19 85 c0 75 06 89 f0 5b 5e 5d c3 89 c2 89 c8 e8 ad 4b [ 39.106164] EIP: _raw_spin_lock_irqsave+0x1c/0x40 SS:ESP: 0068:ef6dda70 [ 39.108487] CR2: 00000000c130d86d [ 39.109981] ---[ end trace c89b8f16688d25d1 ]--- [ 39.111763] exit(b.out/586): started do_exit() (...snipped...) [ 39.167242] exit(b.out/586): started exit_signals() [ 39.169364] exit(b.out/586): ended exit_signals() [ 39.171473] exit(b.out/586): started sync_mm_rss() [ 39.173549] exit(b.out/586): started exit_mm() [ 39.181703] exit(b.out/354): started do_exit() [ 39.183740] exit(b.out/354): started exit_signals() [ 39.185798] exit(b.out/354): ended exit_signals() [ 39.187822] exit(b.out/354): started sync_mm_rss() [ 39.189813] exit(b.out/354): started exit_mm() ---------------------------------------- cccccccc sounds like a poison. ---------------------------------------- [ 64.763544] Out of memory: Kill process 645 (b.out) score 17 or sacrifice child [ 64.766900] Killed process 645 (b.out) total-vm:2099260kB, anon-rss:56292kB, file-rss:8kB, shmem-rss:0kB [ 64.772670] oom_reaper: started reaping [ 64.786642] exit(b.out/645): started do_exit() [ 64.789145] exit(b.out/645): started exit_signals() [ 64.791624] exit(b.out/645): ended exit_signals() [ 64.794173] exit(b.out/645): started sync_mm_rss() [ 64.796730] exit(b.out/645): started exit_mm() [ 64.822147] exit(b.out/859): ended exit_mm() [ 64.834061] exit(b.out/859): ended do_exit() [ 64.920253] exit(b.out/645): ended exit_mm() [ 64.950084] exit(b.out/645): ended do_exit() [ 64.980290] WARNING: CPU: 0 PID: 696 at arch/x86/mm/tlb.c:576 flush_tlb_mm_range+0xfe/0x110 [ 64.983665] Modules linked in: xfs libcrc32c sd_mod sr_mod cdrom ata_generic pata_acpi serio_raw mptspi e1000 scsi_transport_spi mptscsih mptbase ata_piix libata [ 64.989842] CPU: 0 PID: 696 Comm: b.out Tainted: G W 4.15.0-rc7+ #303 [ 64.993148] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/02/2015 [ 64.998050] EIP: flush_tlb_mm_range+0xfe/0x110 [ 65.000282] EFLAGS: 00010046 CPU: 0 [ 65.002171] EAX: 00000046 EBX: f051ac40 ECX: 00000000 EDX: 00000000 [ 65.005030] ESI: f051adc0 EDI: 74002000 EBP: f15778d8 ESP: f15778ac [ 65.007793] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 [ 65.010390] CR0: 80050033 CR2: 740010bf CR3: 2fee1000 CR4: 000406d0 [ 65.013060] Call Trace: [ 65.014621] ptep_clear_flush+0x48/0x60 [ 65.016480] wp_page_copy+0x23d/0x650 [ 65.018430] do_wp_page+0x82/0x440 [ 65.020263] handle_mm_fault+0x522/0x8d0 [ 65.022251] __do_page_fault+0x1ea/0x4d0 [ 65.024281] ? __do_page_fault+0x4d0/0x4d0 [ 65.026208] do_page_fault+0x1a/0x20 [ 65.028043] common_exception+0x6f/0x76 [ 65.029925] EIP: mem_cgroup_page_lruvec+0x30/0x40 [ 65.032134] EFLAGS: 00010082 CPU: 0 [ 65.033953] EAX: 7400107f EBX: c18ede80 ECX: c18ee540 EDX: c18ed840 [ 65.036746] ESI: f317a8f8 EDI: f48a4650 EBP: f1577a5c ESP: f1577a5c [ 65.039399] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 [ 65.041890] isolate_lru_page+0x70/0x260 [ 65.043917] clear_page_mlock+0x71/0xc0 [ 65.045619] page_remove_rmap+0x2a9/0x2e0 [ 65.047665] try_to_unmap_one+0x20e/0x590 [ 65.049707] rmap_walk_file+0x13c/0x250 [ 65.051596] rmap_walk+0x32/0x60 [ 65.053326] try_to_unmap+0x4d/0x100 [ 65.055154] ? page_remove_rmap+0x2e0/0x2e0 [ 65.057403] ? page_not_mapped+0x10/0x10 [ 65.059331] ? page_get_anon_vma+0x80/0x80 [ 65.061324] shrink_page_list+0x3a2/0x1000 [ 65.063292] shrink_inactive_list+0x1b2/0x440 [ 65.065356] shrink_node_memcg+0x34a/0x770 [ 65.067326] shrink_node+0xbb/0x2e0 [ 65.069117] do_try_to_free_pages+0xba/0x320 [ 65.071107] try_to_free_pages+0x11d/0x330 [ 65.072968] ? __wake_up+0x1a/0x20 [ 65.074681] __alloc_pages_slowpath+0x303/0x6d9 [ 65.076685] __alloc_pages_nodemask+0x16d/0x180 [ 65.078661] do_anonymous_page+0xab/0x4f0 [ 65.080485] handle_mm_fault+0x531/0x8d0 [ 65.082211] ? pick_next_task_fair+0xe1/0x490 [ 65.084092] ? irq_exit+0x45/0xb0 [ 65.085644] ? smp_apic_timer_interrupt+0x4b/0x80 [ 65.087729] __do_page_fault+0x1ea/0x4d0 [ 65.089568] ? __do_page_fault+0x4d0/0x4d0 [ 65.091463] do_page_fault+0x1a/0x20 [ 65.093168] common_exception+0x6f/0x76 [ 65.094898] EIP: 0x8048437 [ 65.096248] EFLAGS: 00010202 CPU: 0 [ 65.097863] EAX: 03667000 EBX: 7ff00000 ECX: 3b557008 EDX: 00000000 [ 65.100286] ESI: 7ff00000 EDI: 00000000 EBP: bf8212e8 ESP: bf8212b0 [ 65.102815] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b [ 65.105050] Code: 90 8d 74 26 00 9c 58 66 66 66 90 f6 c4 02 74 1b fa 66 66 90 66 90 8d 45 dc e8 4f fb ff ff fb 66 66 90 66 90 eb 81 e8 12 57 00 00 <0f> ff eb e1 8d b4 26 00 00 00 00 8d bc 27 00 00 00 00 55 b9 01 [ 65.112209] ---[ end trace c89b8f16688d25d1 ]--- [ 65.114373] page:f317a8f8 count:-216553848 mapcount:-217582360 mapping:0100060f index:0x36414550 [ 65.117522] flags: 0xf2c75628(uptodate|lru|owner_priv_1|arch_1|private|writeback|mappedtodisk|reclaim|swapbacked) [ 65.122013] raw: f2c75628 0100060f 36414550 f307f4e7 f317a688 f317c688 cccccccc f317a828 [ 65.125340] raw: c1308381 c1150c19 [ 65.127185] page dumped because: VM_BUG_ON_PAGE(page_ref_count(page) <= 0) [ 65.130063] page->mem_cgroup:c1308381 [ 65.131938] There is not page extension available. [ 65.134188] ------------[ cut here ]------------ [ 65.136372] kernel BUG at ./include/linux/mm.h:844! [ 65.138762] invalid opcode: 0000 [#1] SMP DEBUG_PAGEALLOC [ 65.141176] Modules linked in: xfs libcrc32c sd_mod sr_mod cdrom ata_generic pata_acpi serio_raw mptspi e1000 scsi_transport_spi mptscsih mptbase ata_piix libata [ 65.147105] CPU: 0 PID: 696 Comm: b.out Tainted: G W 4.15.0-rc7+ #303 [ 65.150162] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/02/2015 [ 65.155193] EIP: isolate_lru_page+0x234/0x260 [ 65.157420] EFLAGS: 00010096 CPU: 0 [ 65.159268] EAX: 00000000 EBX: c18ede80 ECX: c1a2e988 EDX: 00000082 [ 65.162161] ESI: f317a8f8 EDI: 7400107f EBP: f1577a80 ESP: f1577a64 [ 65.165020] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 [ 65.167742] CR0: 80050033 CR2: 740010bf CR3: 2fee1000 CR4: 000406d0 [ 65.170715] Call Trace: [ 65.172504] clear_page_mlock+0x71/0xc0 [ 65.174751] page_remove_rmap+0x2a9/0x2e0 [ 65.176915] try_to_unmap_one+0x20e/0x590 [ 65.179087] rmap_walk_file+0x13c/0x250 [ 65.181198] rmap_walk+0x32/0x60 [ 65.183229] try_to_unmap+0x4d/0x100 [ 65.185211] ? page_remove_rmap+0x2e0/0x2e0 [ 65.187407] ? page_not_mapped+0x10/0x10 [ 65.189516] ? page_get_anon_vma+0x80/0x80 [ 65.191681] shrink_page_list+0x3a2/0x1000 [ 65.193901] shrink_inactive_list+0x1b2/0x440 [ 65.196125] shrink_node_memcg+0x34a/0x770 [ 65.198331] shrink_node+0xbb/0x2e0 [ 65.200235] do_try_to_free_pages+0xba/0x320 [ 65.202464] try_to_free_pages+0x11d/0x330 [ 65.204527] ? __wake_up+0x1a/0x20 [ 65.206434] __alloc_pages_slowpath+0x303/0x6d9 [ 65.208569] __alloc_pages_nodemask+0x16d/0x180 [ 65.210620] do_anonymous_page+0xab/0x4f0 [ 65.212610] handle_mm_fault+0x531/0x8d0 [ 65.214611] ? pick_next_task_fair+0xe1/0x490 [ 65.216640] ? irq_exit+0x45/0xb0 [ 65.218250] ? smp_apic_timer_interrupt+0x4b/0x80 [ 65.220496] __do_page_fault+0x1ea/0x4d0 [ 65.222465] ? __do_page_fault+0x4d0/0x4d0 [ 65.224285] do_page_fault+0x1a/0x20 [ 65.226110] common_exception+0x6f/0x76 [ 65.227912] EIP: 0x8048437 [ 65.229483] EFLAGS: 00010202 CPU: 0 [ 65.231535] EAX: 03667000 EBX: 7ff00000 ECX: 3b557008 EDX: 00000000 [ 65.234106] ESI: 7ff00000 EDI: 00000000 EBP: bf8212e8 ESP: bf8212b0 [ 65.236517] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b [ 65.238687] Code: fe ff ff 83 e8 01 e9 6b fe ff ff ba 9c 23 7f c1 89 f0 e8 00 67 01 00 0f 0b 83 e8 01 e9 ac fe ff ff ba c4 83 7d c1 e8 ec 66 01 00 <0f> 0b 83 e8 01 e9 b4 fe ff ff 89 f0 e8 1c 3a 00 00 83 e8 01 e9 [ 65.245838] EIP: isolate_lru_page+0x234/0x260 SS:ESP: 0068:f1577a64 [ 65.248344] ---[ end trace c89b8f16688d25d2 ]--- [ 65.250488] exit(b.out/696): started do_exit() ---------------------------------------- This bug can occur before the OOM killer is invoked. Thus, at least this is not a race with the OOM reaper. ---------------------------------------- [ 92.247160] exit(b.out/1893): started do_exit() [ 92.249129] exit(b.out/1893): started exit_signals() [ 92.250896] exit(b.out/1893): ended exit_signals() [ 92.252621] exit(b.out/1893): started sync_mm_rss() [ 92.254339] exit(b.out/1893): started exit_mm() [ 92.397291] exit(b.out/1894): started do_exit() [ 92.398984] exit(b.out/1894): started exit_signals() [ 92.400974] exit(b.out/1894): ended exit_signals() [ 92.402792] exit(b.out/1894): started sync_mm_rss() [ 92.404595] exit(b.out/1894): started exit_mm() [ 92.407241] exit(b.out/1830): started do_exit() [ 92.409055] exit(b.out/1830): started exit_signals() [ 92.410958] exit(b.out/1830): ended exit_signals() [ 92.412649] exit(b.out/1830): started sync_mm_rss() [ 92.414442] exit(b.out/1830): started exit_mm() [ 92.623678] BUG: unable to handle kernel paging request at 89c08510 [ 92.625824] IP: debug_object_deactivate.part.4+0x5b/0x110 [ 92.628103] *pde = 00000000 [ 92.629531] Thread overran stack, or stack corrupted [ 92.631420] Oops: 0000 [#1] SMP DEBUG_PAGEALLOC [ 92.633204] Modules linked in: xfs libcrc32c sr_mod cdrom sd_mod ata_generic pata_acpi serio_raw mptspi scsi_transport_spi mptscsih ata_piix e1000 mptbase libata [ 92.638390] CPU: 0 PID: 32 Comm: kswapd0 Tainted: G W 4.15.0-rc7+ #303 [ 92.641071] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/02/2015 [ 92.645127] EIP: debug_object_deactivate.part.4+0x5b/0x110 [ 92.647368] EFLAGS: 00010006 CPU: 0 [ 92.649021] EAX: 89c08500 EBX: f7430240 ECX: 00000003 EDX: 00000005 [ 92.651385] ESI: c1b435b4 EDI: 00000426 EBP: f29034e8 ESP: f29034b8 [ 92.653810] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 [ 92.655974] CR0: 80050033 CR2: 89c08510 CR3: 01a1f000 CR4: 000406d0 [ 92.658504] Call Trace: [ 92.659865] Code: e8 bb 81 3b 00 89 c1 8b 04 fd 80 14 b4 c1 85 c0 0f 84 ba 00 00 00 3b 58 10 74 65 ba 01 00 00 00 eb 0e 8d b6 00 00 00 00 83 c2 01 <3b> 58 10 74 50 8b 00 85 c0 75 f2 39 15 c4 67 90 c1 7c 3a 31 c0 [ 92.667155] EIP: debug_object_deactivate.part.4+0x5b/0x110 SS:ESP: 0068:f29034b8 [ 92.669965] CR2: 0000000089c08510 [ 92.671657] ---[ end trace c89b8f16688d25d1 ]--- [ 92.673717] Kernel panic - not syncing: Fatal exception in interrupt [ 92.676240] Kernel Offset: 0x0 from 0xc1000000 (relocation range: 0xc0000000-0xf7ffdfff) [ 92.679311] Rebooting in 5 seconds.. [ 97.758198] ACPI MEMORY or I/O RESET_REG. ---------------------------------------- ---------------------------------------- [ 13.672160] Out of memory: Kill process 395 (b.out) score 8 or sacrifice child [ 13.708418] Killed process 395 (b.out) total-vm:2099260kB, anon-rss:27776kB, file-rss:28kB, shmem-rss:0kB [ 13.713193] oom_reaper: started reaping [ 13.716851] exit(b.out/395): started do_exit() [ 13.719041] exit(b.out/395): started exit_signals() [ 13.721397] exit(b.out/395): ended exit_signals() [ 13.756917] exit(b.out/395): started sync_mm_rss() [ 13.759208] exit(b.out/395): started exit_mm() [ 13.814381] exit(b.out/599): ended exit_mm() [ 13.821208] exit(b.out/601): ended exit_mm() [ 13.863622] exit(b.out/599): ended do_exit() [ 14.018589] BUG: unable to handle kernel paging request at 32d0a01a [ 14.021835] IP: page_remove_rmap+0x17/0x280 [ 14.057429] *pde = 00000000 [ 14.059233] Oops: 0000 [#1] SMP DEBUG_PAGEALLOC [ 14.061456] Modules linked in: xfs libcrc32c sd_mod sr_mod cdrom ata_generic pata_acpi e1000 mptspi scsi_transport_spi mptscsih ata_piix mptbase libata serio_raw [ 14.067501] CPU: 0 PID: 30 Comm: kswapd0 Tainted: G W 4.15.0-rc7+ #304 [ 14.070580] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/02/2015 [ 14.108859] EIP: page_remove_rmap+0x17/0x280 [ 14.110748] EFLAGS: 00010202 CPU: 0 [ 14.112417] EAX: 32d0a016 EBX: f2d5dfa8 ECX: 00000010 EDX: 00000000 [ 14.114868] ESI: 0000000f EDI: f4931d60 EBP: f2c53c48 ESP: f2c53c3c [ 14.117266] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 [ 14.119394] CR0: 80050033 CR2: 32d0a01a CR3: 01a06000 CR4: 000406d0 [ 14.121795] Call Trace: [ 14.156545] try_to_unmap_one+0x206/0x540 [ 14.158371] rmap_walk_file+0xf0/0x1e0 [ 14.160080] rmap_walk+0x32/0x60 [ 14.161606] try_to_unmap+0x4d/0xd0 [ 14.163176] ? page_remove_rmap+0x280/0x280 [ 14.164931] ? page_not_mapped+0x10/0x10 [ 14.166600] ? page_get_anon_vma+0x80/0x80 [ 14.168351] shrink_page_list+0x3e2/0xe80 [ 14.170176] shrink_inactive_list+0x1b2/0x440 [ 14.172137] shrink_node_memcg+0x34a/0x770 [ 14.207197] shrink_node+0xbb/0x2e0 [ 14.208761] kswapd+0x23f/0x5b0 [ 14.210220] kthread+0xd1/0x100 [ 14.211637] ? mem_cgroup_shrink_node+0xa0/0xa0 [ 14.213514] ? kthread_associate_blkcg+0x80/0x80 [ 14.215311] ret_from_fork+0x19/0x24 [ 14.216836] Code: ff ff 83 e8 01 e9 4f ff ff ff 8d 76 00 8d bc 27 00 00 00 00 55 89 e5 56 53 89 c3 83 ec 04 8b 40 14 a8 01 0f 85 18 02 00 00 89 d8 <f6> 40 04 01 74 6b 84 d2 0f 85 5b 01 00 00 3e 83 43 0c ff 78 0c [ 14.257635] EIP: page_remove_rmap+0x17/0x280 SS:ESP: 0068:f2c53c3c [ 14.260467] CR2: 0000000032d0a01a [ 14.262535] ---[ end trace c89b8f16688d25d1 ]--- [ 14.264713] exit(kswapd0/30): started do_exit() ---------------------------------------- "Bad rss-counter state" messages can appear before the OOM killer is invoked. ---------------------------------------- [ 17.057515] exit(b.out/661): started do_exit() [ 17.059220] exit(b.out/661): started exit_signals() [ 17.060974] exit(b.out/661): ended exit_signals() [ 17.062663] exit(b.out/661): started sync_mm_rss() [ 17.064455] exit(b.out/661): started exit_mm() [ 17.311701] exit(b.out/664): started do_exit() [ 17.313880] exit(b.out/664): started exit_signals() [ 17.315714] exit(b.out/664): ended exit_signals() [ 17.317471] exit(b.out/664): started sync_mm_rss() [ 17.352606] exit(b.out/664): started exit_mm() [ 17.807363] exit(b.out/661): ended exit_mm() [ 17.810459] exit(b.out/659): ended exit_mm() [ 17.819504] exit(b.out/659): ended do_exit() [ 17.855075] exit(b.out/661): ended do_exit() [ 17.863491] BUG: Bad rss-counter state mm:3a10ce4a idx:0 val:1 [ 17.865642] BUG: Bad rss-counter state mm:3a10ce4a idx:1 val:-1 [ 17.867663] exit(b.out/664): ended exit_mm() [ 17.917000] exit(b.out/664): ended do_exit() [ 17.961639] BUG: unable to handle kernel paging request at 0e200f90 [ 17.963906] IP: lock_page_memcg+0x3c/0x80 [ 17.965528] *pde = 00000000 [ 17.966811] Oops: 0000 [#1] SMP DEBUG_PAGEALLOC [ 17.968543] Modules linked in: xfs libcrc32c sd_mod sr_mod cdrom ata_generic pata_acpi e1000 mptspi scsi_transport_spi mptscsih ata_piix mptbase libata serio_raw [ 18.006806] CPU: 0 PID: 367 Comm: b.out Tainted: G W 4.15.0-rc7+ #304 [ 18.009450] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/02/2015 [ 18.013417] EIP: lock_page_memcg+0x3c/0x80 [ 18.015138] EFLAGS: 00010202 CPU: 0 [ 18.016746] EAX: f2db0b90 EBX: 0e200e20 ECX: 00000011 EDX: 00000000 [ 18.052561] ESI: 00000010 EDI: f2db0b90 EBP: f2c2fab4 ESP: f2c2faa8 [ 18.054954] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 [ 18.057013] CR0: 80050033 CR2: 0e200f90 CR3: 3298f000 CR4: 000406d0 [ 18.059343] Call Trace: [ 18.060655] page_remove_rmap+0x92/0x280 [ 18.062360] try_to_unmap_one+0x206/0x540 [ 18.064109] rmap_walk_file+0xf0/0x1e0 [ 18.065839] rmap_walk+0x32/0x60 [ 18.067475] try_to_unmap+0x4d/0xd0 [ 18.102537] ? page_remove_rmap+0x280/0x280 [ 18.104313] ? page_not_mapped+0x10/0x10 [ 18.106001] ? page_get_anon_vma+0x80/0x80 [ 18.107680] shrink_page_list+0x3e2/0xe80 [ 18.109338] shrink_inactive_list+0x1b2/0x440 [ 18.111074] shrink_node_memcg+0x34a/0x770 [ 18.112743] shrink_node+0xbb/0x2e0 [ 18.114255] do_try_to_free_pages+0xb2/0x300 [ 18.116057] try_to_free_pages+0x20b/0x330 [ 18.117777] __alloc_pages_slowpath+0x2fb/0x6d3 [ 18.152982] ? hrtimer_interrupt+0x9e/0x170 [ 18.154768] ? irq_exit+0x45/0xb0 [ 18.156268] ? smp_apic_timer_interrupt+0x4b/0x80 [ 18.158126] ? __pagevec_lru_add_fn+0xdb/0x190 [ 18.159906] __alloc_pages_nodemask+0x14a/0x170 [ 18.161797] handle_mm_fault+0x5a5/0xcd0 [ 18.163515] ? pick_next_task_fair+0xe1/0x490 [ 18.165358] __do_page_fault+0x1ea/0x4d0 [ 18.167043] ? __do_page_fault+0x4d0/0x4d0 [ 18.202081] do_page_fault+0x1a/0x20 [ 18.203600] common_exception+0x6f/0x76 [ 18.205187] EIP: 0x8048437 [ 18.206504] EFLAGS: 00010202 CPU: 0 [ 18.207974] EAX: 00229000 EBX: 7ff00000 ECX: 3811f008 EDX: 00000000 [ 18.210139] ESI: 7ff00000 EDI: 00000000 EBP: bffedf28 ESP: bffedef0 [ 18.212290] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b [ 18.214217] Code: db 75 28 eb 5c 66 90 8d b3 74 01 00 00 89 f0 e8 3b 37 4e 00 8b 4f 20 39 d9 74 2c 89 c2 89 f0 e8 db 33 4e 00 8b 5f 20 85 db 74 36 <8b> 83 70 01 00 00 85 c0 7f d2 89 d9 5b 89 c8 5e 5f 5d c3 90 31 [ 18.254093] EIP: lock_page_memcg+0x3c/0x80 SS:ESP: 0068:f2c2faa8 [ 18.256263] CR2: 000000000e200f90 [ 18.257948] ---[ end trace c89b8f16688d25d1 ]--- [ 18.259817] exit(b.out/367): started do_exit() ---------------------------------------- page_has_buffers() assertion can fail when the OOM killer is invoked. ---------------------------------------- [ 41.581473] Out of memory: Kill process 456 (b.out) score 18 or sacrifice child [ 41.584500] Killed process 456 (b.out) total-vm:2099260kB, anon-rss:59724kB, file-rss:8kB, shmem-rss:0kB [ 41.589503] oom_reaper: started reaping [ 41.600128] XFS: Assertion failed: page_has_buffers(page), file: fs/xfs/xfs_aops.c, line: 1060 [ 41.603529] WARNING: CPU: 0 PID: 45 at fs/xfs/xfs_message.c:105 asswarn+0x26/0x30 [xfs] [ 41.606787] Modules linked in: xfs libcrc32c sr_mod cdrom ata_generic pata_acpi sd_mod serio_raw ata_piix e1000 mptspi scsi_transport_spi mptscsih mptbase libata [ 41.612889] CPU: 0 PID: 45 Comm: kworker/u2:1 Tainted: G W 4.15.0-rc7+ #304 [ 41.616116] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/02/2015 [ 41.621016] Workqueue: writeback wb_workfn (flush-8:0) [ 41.623407] EIP: asswarn+0x26/0x30 [xfs] [ 41.625445] EFLAGS: 00010246 CPU: 0 [ 41.627382] EAX: 00000000 EBX: f48a5950 ECX: 00000021 EDX: f2d13bac [ 41.630143] ESI: 00000000 EDI: f48a5950 EBP: f2d13c28 ESP: f2d13c14 [ 41.632803] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 [ 41.635197] CR0: 80050033 CR2: 38211008 CR3: 2fed6000 CR4: 000406d0 [ 41.637854] Call Trace: [ 41.639428] xfs_do_writepage+0x635/0x670 [xfs] [ 41.641581] ? rmap_walk_file+0x133/0x1e0 [ 41.643527] ? rmap_walk+0x32/0x60 [ 41.645311] ? clear_page_dirty_for_io+0x156/0x1d0 [ 41.647457] ? xfs_vm_set_page_dirty+0x210/0x210 [xfs] [ 41.649746] write_cache_pages+0x1ea/0x3f0 [ 41.651713] ? xfs_vm_set_page_dirty+0x210/0x210 [xfs] [ 41.653878] ? __enqueue_entity+0x63/0x70 [ 41.655733] xfs_vm_writepages+0x48/0x80 [xfs] [ 41.657677] do_writepages+0x1a/0x70 [ 41.659361] __writeback_single_inode+0x27/0x160 [ 41.661377] writeback_sb_inodes+0x1bd/0x320 [ 41.663310] __writeback_inodes_wb+0x74/0xb0 [ 41.665216] wb_writeback+0x169/0x190 [ 41.666971] wb_workfn+0x22c/0x2f0 [ 41.668618] ? __switch_to+0xa2/0x220 [ 41.670352] process_one_work+0xe7/0x240 [ 41.672834] worker_thread+0x31/0x360 [ 41.674704] kthread+0xd1/0x100 [ 41.676313] ? rescuer_thread+0x2d0/0x2d0 [ 41.678103] ? kthread_associate_blkcg+0x80/0x80 [ 41.680057] ret_from_fork+0x19/0x24 [ 41.681712] Code: 90 90 90 90 90 55 89 e5 83 ec 14 89 4c 24 10 89 54 24 0c 89 44 24 08 c7 44 24 04 9c 7b a4 f8 c7 04 24 00 00 00 00 e8 ba fd ff ff <0f> ff c9 c3 8d b6 00 00 00 00 55 89 e5 83 ec 14 89 4c 24 10 89 [ 41.688711] ---[ end trace c89b8f16688d25d1 ]--- [ 41.690645] ------------[ cut here ]------------ [ 41.692546] kernel BUG at fs/xfs/xfs_aops.c:911! [ 41.694446] invalid opcode: 0000 [#1] SMP DEBUG_PAGEALLOC [ 41.696522] Modules linked in: xfs libcrc32c sr_mod cdrom ata_generic pata_acpi sd_mod serio_raw ata_piix e1000 mptspi scsi_transport_spi mptscsih mptbase libata [ 41.701631] CPU: 0 PID: 45 Comm: kworker/u2:1 Tainted: G W 4.15.0-rc7+ #304 [ 41.704495] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/02/2015 [ 41.708742] Workqueue: writeback wb_workfn (flush-8:0) [ 41.710865] EIP: xfs_do_writepage+0x641/0x670 [xfs] [ 41.712874] EFLAGS: 00010246 CPU: 0 [ 41.714510] EAX: 00001000 EBX: f48a5950 ECX: 0000000c EDX: be01006d [ 41.716924] ESI: 00000001 EDI: f48a5950 EBP: f2d13cb0 ESP: f2d13c30 [ 41.719308] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 [ 41.721487] CR0: 80050033 CR2: 38211008 CR3: 2fed6000 CR4: 000406d0 [ 41.723922] Call Trace: [ 41.725325] ? rmap_walk_file+0x133/0x1e0 [ 41.727146] ? clear_page_dirty_for_io+0x156/0x1d0 [ 41.729206] ? xfs_vm_set_page_dirty+0x210/0x210 [xfs] [ 41.731314] write_cache_pages+0x1ea/0x3f0 [ 41.733159] ? xfs_vm_set_page_dirty+0x210/0x210 [xfs] [ 41.735275] ? __enqueue_entity+0x63/0x70 [ 41.737120] xfs_vm_writepages+0x48/0x80 [xfs] [ 41.739048] do_writepages+0x1a/0x70 [ 41.740788] __writeback_single_inode+0x27/0x160 [ 41.742769] writeback_sb_inodes+0x1bd/0x320 [ 41.744655] __writeback_inodes_wb+0x74/0xb0 [ 41.746621] wb_writeback+0x169/0x190 [ 41.748374] wb_workfn+0x22c/0x2f0 [ 41.750029] ? __switch_to+0xa2/0x220 [ 41.751776] process_one_work+0xe7/0x240 [ 41.753592] worker_thread+0x31/0x360 [ 41.755297] kthread+0xd1/0x100 [ 41.756889] ? rescuer_thread+0x2d0/0x2d0 [ 41.758682] ? kthread_associate_blkcg+0x80/0x80 [ 41.760624] ret_from_fork+0x19/0x24 [ 41.762274] Code: 4a fb ff ff 0f ff e9 71 fb ff ff b9 24 04 00 00 ba 01 db a3 f8 b8 f1 db a3 f8 e8 7b e7 01 00 e9 f9 f9 ff ff f3 90 e9 1d fa ff ff <0f> 0b 0f ff 8d 74 26 00 8d bc 27 00 00 00 00 e9 3d fb ff ff ba [ 41.769434] EIP: xfs_do_writepage+0x641/0x670 [xfs] SS:ESP: 0068:f2d13c30 [ 41.771966] ---[ end trace c89b8f16688d25d2 ]--- [ 41.774051] exit(kworker/u2:1/45): started do_exit() ---------------------------------------- xfs_vm_set_page_dirty() hits warning after the OOM killer is invoked. ---------------------------------------- [ 35.662606] Out of memory: Kill process 383 (b.out) score 18 or sacrifice child [ 35.665550] Killed process 383 (b.out) total-vm:2099260kB, anon-rss:58668kB, file-rss:8kB, shmem-rss:0kB [ 35.683131] WARNING: CPU: 0 PID: 830 at fs/xfs/xfs_aops.c:1468 xfs_vm_set_page_dirty+0x125/0x210 [xfs] [ 35.687796] Modules linked in: xfs libcrc32c sd_mod sr_mod cdrom ata_generic pata_acpi serio_raw mptspi scsi_transport_spi ata_piix e1000 libata mptscsih mptbase [ 35.693698] CPU: 0 PID: 830 Comm: b.out Tainted: G W 4.15.0-rc7+ #305 [ 35.696759] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/02/2015 [ 35.701695] EIP: xfs_vm_set_page_dirty+0x125/0x210 [xfs] [ 35.704206] EFLAGS: 00010046 CPU: 0 [ 35.706137] EAX: be000010 EBX: f3c81d58 ECX: f3c81d58 EDX: f3c81d4c [ 35.708790] ESI: 00000246 EDI: f4895528 EBP: ee215abc ESP: ee215a98 [ 35.711394] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 [ 35.713772] CR0: 80050033 CR2: 38572008 CR3: 2e2a6000 CR4: 000406d0 [ 35.716429] Call Trace: [ 35.718094] set_page_dirty+0x3d/0x90 [ 35.720160] try_to_unmap_one+0x373/0x540 [ 35.722204] rmap_walk_file+0xf0/0x1e0 [ 35.724125] rmap_walk+0x32/0x60 [ 35.725845] try_to_unmap+0x4d/0xd0 [ 35.727618] ? page_remove_rmap+0x280/0x280 [ 35.729584] ? page_not_mapped+0x10/0x10 [ 35.731418] ? page_get_anon_vma+0x80/0x80 [ 35.733271] shrink_page_list+0x3e2/0xe80 [ 35.735153] shrink_inactive_list+0x1b2/0x440 [ 35.737132] shrink_node_memcg+0x34a/0x770 [ 35.738987] shrink_node+0xbb/0x2e0 [ 35.740626] do_try_to_free_pages+0xb2/0x300 [ 35.742459] try_to_free_pages+0x20b/0x330 [ 35.744248] ? schedule_timeout+0x10c/0x1d0 [ 35.746055] __alloc_pages_slowpath+0x2fb/0x6d3 [ 35.747980] __alloc_pages_nodemask+0x14a/0x170 [ 35.749913] handle_mm_fault+0x5a5/0xcd0 [ 35.751695] ? pick_next_task_fair+0xe1/0x490 [ 35.753582] ? sched_clock_cpu+0x13/0x120 [ 35.755387] __do_page_fault+0x1ea/0x4d0 [ 35.757106] ? __do_page_fault+0x4d0/0x4d0 [ 35.758861] do_page_fault+0x1a/0x20 [ 35.760468] common_exception+0x6f/0x76 [ 35.762612] EIP: 0x8048437 [ 35.764088] EFLAGS: 00010202 CPU: 0 [ 35.765737] EAX: 00096000 EBX: 7ff00000 ECX: 37f10008 EDX: 00000000 [ 35.768028] ESI: 7ff00000 EDI: 00000000 EBP: bf96e078 ESP: bf96e040 [ 35.770370] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b [ 35.772393] Code: e4 8d 58 0c 89 d8 e8 8b c3 c4 c8 89 c6 8b 45 e8 8b 50 04 85 d2 74 5b 8b 40 14 a8 01 0f 85 ce 00 00 00 8b 45 e8 8b 00 a8 08 75 7b <0f> ff 8b 7d e8 8b 55 e4 89 f8 e8 4c 76 71 c8 8b 47 14 a8 01 0f [ 35.779201] ---[ end trace c89b8f16688d25d1 ]--- [ 35.781296] BUG: unable to handle kernel paging request at 06000170 [ 35.783805] IP: lock_page_memcg+0x3c/0x80 [ 35.785616] *pde = 00000000 [ 35.787117] Oops: 0000 [#1] SMP DEBUG_PAGEALLOC [ 35.789110] Modules linked in: xfs libcrc32c sd_mod sr_mod cdrom ata_generic pata_acpi serio_raw mptspi scsi_transport_spi ata_piix e1000 libata mptscsih mptbase [ 35.794654] CPU: 0 PID: 830 Comm: b.out Tainted: G W 4.15.0-rc7+ #305 [ 35.797605] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/02/2015 [ 35.802203] EIP: lock_page_memcg+0x3c/0x80 [ 35.804174] EFLAGS: 00010206 CPU: 0 [ 35.805960] EAX: f2dc6850 EBX: 06000000 ECX: 00000012 EDX: 00000000 [ 35.808433] ESI: 00000010 EDI: f2dc6850 EBP: ee215ab4 ESP: ee215aa8 [ 35.810887] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 [ 35.813095] CR0: 80050033 CR2: 06000170 CR3: 2e2a6000 CR4: 000406d0 [ 35.815719] Call Trace: [ 35.817167] page_remove_rmap+0x92/0x280 [ 35.819046] try_to_unmap_one+0x206/0x540 [ 35.820965] rmap_walk_file+0xf0/0x1e0 [ 35.822785] rmap_walk+0x32/0x60 [ 35.824457] try_to_unmap+0x4d/0xd0 [ 35.826209] ? page_remove_rmap+0x280/0x280 [ 35.828203] ? page_not_mapped+0x10/0x10 [ 35.830025] ? page_get_anon_vma+0x80/0x80 [ 35.831952] shrink_page_list+0x3e2/0xe80 [ 35.833800] shrink_inactive_list+0x1b2/0x440 [ 35.835761] shrink_node_memcg+0x34a/0x770 [ 35.837679] shrink_node+0xbb/0x2e0 [ 35.839432] do_try_to_free_pages+0xb2/0x300 [ 35.841411] try_to_free_pages+0x20b/0x330 [ 35.843356] ? schedule_timeout+0x10c/0x1d0 [ 35.845301] __alloc_pages_slowpath+0x2fb/0x6d3 [ 35.847302] __alloc_pages_nodemask+0x14a/0x170 [ 35.849279] handle_mm_fault+0x5a5/0xcd0 [ 35.851066] ? pick_next_task_fair+0xe1/0x490 [ 35.852981] ? sched_clock_cpu+0x13/0x120 [ 35.854801] __do_page_fault+0x1ea/0x4d0 [ 35.856515] ? __do_page_fault+0x4d0/0x4d0 [ 35.858326] do_page_fault+0x1a/0x20 [ 35.860004] common_exception+0x6f/0x76 [ 35.861705] EIP: 0x8048437 [ 35.863114] EFLAGS: 00010202 CPU: 0 [ 35.864687] EAX: 00096000 EBX: 7ff00000 ECX: 37f10008 EDX: 00000000 [ 35.867027] ESI: 7ff00000 EDI: 00000000 EBP: bf96e078 ESP: bf96e040 [ 35.869348] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b [ 35.871349] Code: db 75 28 eb 5c 66 90 8d b3 74 01 00 00 89 f0 e8 3b 37 4e 00 8b 4f 20 39 d9 74 2c 89 c2 89 f0 e8 db 33 4e 00 8b 5f 20 85 db 74 36 <8b> 83 70 01 00 00 85 c0 7f d2 89 d9 5b 89 c8 5e 5f 5d c3 90 31 [ 35.879102] EIP: lock_page_memcg+0x3c/0x80 SS:ESP: 0068:ee215aa8 [ 35.881510] CR2: 0000000006000170 [ 35.883126] ---[ end trace c89b8f16688d25d2 ]--- [ 35.885122] exit(b.out/830): started do_exit() ---------------------------------------- But xfs_vm_set_page_dirty() hits warning before the OOM killer is invoked. ---------------------------------------- [ 40.752823] exit(b.out/687): started do_exit() [ 40.754594] exit(b.out/687): started exit_signals() [ 40.756434] exit(b.out/687): ended exit_signals() [ 40.758185] exit(b.out/687): started sync_mm_rss() [ 40.759974] exit(b.out/687): started exit_mm() [ 41.063943] exit(b.out/687): ended exit_mm() [ 41.065842] exit(b.out/687): ended do_exit() [ 41.787284] WARNING: CPU: 0 PID: 326 at fs/xfs/xfs_aops.c:1468 xfs_vm_set_page_dirty+0x125/0x210 [xfs] [ 41.791206] Modules linked in: xfs libcrc32c sd_mod sr_mod cdrom ata_generic pata_acpi mptspi scsi_transport_spi mptscsih ata_piix e1000 mptbase libata serio_raw [ 41.796701] CPU: 0 PID: 326 Comm: b.out Tainted: G W 4.15.0-rc7+ #305 [ 41.799700] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/02/2015 [ 41.804302] EIP: xfs_vm_set_page_dirty+0x125/0x210 [xfs] [ 41.806609] EFLAGS: 00010046 CPU: 0 [ 41.808432] EAX: be000010 EBX: f3cb1d58 ECX: f3cb1d58 EDX: f3cb1d4c [ 41.811049] ESI: 00000246 EDI: f49320d0 EBP: f2c0f9cc ESP: f2c0f9a8 [ 41.813671] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 [ 41.816002] CR0: 80050033 CR2: b7e6a49a CR3: 324bb000 CR4: 000406d0 [ 41.818649] Call Trace: [ 41.820063] set_page_dirty+0x3d/0x90 [ 41.821917] try_to_unmap_one+0x373/0x540 [ 41.823891] rmap_walk_file+0xf0/0x1e0 [ 41.825867] rmap_walk+0x32/0x60 [ 41.827672] try_to_unmap+0x4d/0xd0 [ 41.829456] ? page_remove_rmap+0x280/0x280 [ 41.831445] ? page_not_mapped+0x10/0x10 [ 41.833336] ? page_get_anon_vma+0x80/0x80 [ 41.835250] shrink_page_list+0x3e2/0xe80 [ 41.837169] shrink_inactive_list+0x1b2/0x440 [ 41.839157] shrink_node_memcg+0x34a/0x770 [ 41.841086] shrink_node+0xbb/0x2e0 [ 41.842878] do_try_to_free_pages+0xb2/0x300 [ 41.844841] try_to_free_pages+0x20b/0x330 [ 41.846807] __alloc_pages_slowpath+0x2fb/0x6d3 [ 41.848871] ? _lookup_address_cpa.isra.24+0x25/0x30 [ 41.851042] ? __change_page_attr+0x1e4/0x6f0 [ 41.853083] __alloc_pages_nodemask+0x14a/0x170 [ 41.855173] __do_page_cache_readahead+0xd6/0x210 [ 41.857315] ? pagecache_get_page+0x1f/0x1f0 [ 41.859360] filemap_fault+0x234/0x570 [ 41.861222] ? filemap_map_pages+0x12f/0x340 [ 41.863299] ? filemap_fdatawait_keep_errors+0x50/0x50 [ 41.865582] __xfs_filemap_fault.isra.16+0x2d/0xb0 [xfs] [ 41.867887] ? filemap_fdatawait_keep_errors+0x50/0x50 [ 41.870156] xfs_filemap_fault+0xa/0x10 [xfs] [ 41.872141] __do_fault+0x11/0x30 [ 41.873825] handle_mm_fault+0x8f0/0xcd0 [ 41.875632] __do_page_fault+0x1ea/0x4d0 [ 41.877426] ? __do_page_fault+0x4d0/0x4d0 [ 41.879264] do_page_fault+0x1a/0x20 [ 41.880907] common_exception+0x6f/0x76 [ 41.882638] EIP: 0xb7e6a49a [ 41.884016] EFLAGS: 00010246 CPU: 0 [ 41.885639] EAX: fffffff4 EBX: 01200011 ECX: 00000000 EDX: 00000000 [ 41.888093] ESI: 00000000 EDI: b7db0728 EBP: bf884358 ESP: bf884310 [ 41.890744] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b [ 41.893088] Code: e4 8d 58 0c 89 d8 e8 8b c3 c4 c8 89 c6 8b 45 e8 8b 50 04 85 d2 74 5b 8b 40 14 a8 01 0f 85 ce 00 00 00 8b 45 e8 8b 00 a8 08 75 7b <0f> ff 8b 7d e8 8b 55 e4 89 f8 e8 4c 76 71 c8 8b 47 14 a8 01 0f [ 41.900752] ---[ end trace c89b8f16688d25d1 ]--- ---------------------------------------- ---------------------------------------- [ 41.378852] Out of memory: Kill process 360 (b.out) score 19 or sacrifice child [ 41.382162] Killed process 360 (b.out) total-vm:2099260kB, anon-rss:60512kB, file-rss:8kB, shmem-rss:0kB [ 41.392549] BUG: unable to handle kernel NULL pointer dereference at 00000004 [ 41.395775] IP: page_remove_rmap+0x17/0x280 [ 41.398033] *pde = 00000000 [ 41.399860] Oops: 0000 [#1] SMP DEBUG_PAGEALLOC [ 41.402116] Modules linked in: xfs libcrc32c sr_mod cdrom ata_generic pata_acpi sd_mod serio_raw e1000 ata_piix mptspi scsi_transport_spi mptscsih mptbase libata [ 41.408340] CPU: 0 PID: 326 Comm: b.out Tainted: G W 4.15.0-rc7+ #305 [ 41.411632] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/02/2015 [ 41.416729] EIP: page_remove_rmap+0x17/0x280 [ 41.418931] EFLAGS: 00010246 CPU: 0 [ 41.420865] EAX: 00000000 EBX: f2db8d40 ECX: 0000000e EDX: 00000000 [ 41.423567] ESI: 0000000e EDI: f4930a50 EBP: f2fa79d8 ESP: f2fa79cc [ 41.426422] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 [ 41.429016] CR0: 80050033 CR2: 00000004 CR3: 328ac000 CR4: 000406d0 [ 41.431752] Call Trace: [ 41.433338] try_to_unmap_one+0x206/0x540 [ 41.435351] rmap_walk_file+0xf0/0x1e0 [ 41.437332] rmap_walk+0x32/0x60 [ 41.439218] try_to_unmap+0x4d/0xd0 [ 41.441141] ? page_remove_rmap+0x280/0x280 [ 41.443105] ? page_not_mapped+0x10/0x10 [ 41.444980] ? page_get_anon_vma+0x80/0x80 [ 41.447040] shrink_page_list+0x3e2/0xe80 [ 41.449005] shrink_inactive_list+0x1b2/0x440 [ 41.450909] shrink_node_memcg+0x34a/0x770 [ 41.452774] shrink_node+0xbb/0x2e0 [ 41.454570] do_try_to_free_pages+0xb2/0x300 [ 41.456589] try_to_free_pages+0x20b/0x330 [ 41.458479] __alloc_pages_slowpath+0x2fb/0x6d3 [ 41.460487] ? ktime_get+0x47/0xf0 [ 41.462192] ? lapic_next_deadline+0x24/0x30 [ 41.464117] __alloc_pages_nodemask+0x14a/0x170 [ 41.466131] __do_page_cache_readahead+0xd6/0x210 [ 41.468184] ? pagecache_get_page+0x1f/0x1f0 [ 41.470089] ? apic_timer_interrupt+0x3c/0x44 [ 41.471997] filemap_fault+0x234/0x570 [ 41.473717] ? radix_tree_next_chunk+0xf1/0x2c0 [ 41.475630] ? filemap_map_pages+0x12f/0x340 [ 41.477534] ? filemap_fdatawait_keep_errors+0x50/0x50 [ 41.479768] __xfs_filemap_fault.isra.16+0x2d/0xb0 [xfs] [ 41.482018] ? filemap_fdatawait_keep_errors+0x50/0x50 [ 41.484138] xfs_filemap_fault+0xa/0x10 [xfs] [ 41.485958] __do_fault+0x11/0x30 [ 41.487476] handle_mm_fault+0x8f0/0xcd0 [ 41.489108] __do_page_fault+0x1ea/0x4d0 [ 41.490739] ? __do_page_fault+0x4d0/0x4d0 [ 41.492408] do_page_fault+0x1a/0x20 [ 41.493989] common_exception+0x6f/0x76 [ 41.495687] EIP: 0xb7e8449a [ 41.497077] EFLAGS: 00010246 CPU: 0 [ 41.498552] EAX: fffffff4 EBX: 01200011 ECX: 00000000 EDX: 00000000 [ 41.500739] ESI: 00000000 EDI: b7dca728 EBP: bfc79c58 ESP: bfc79c10 [ 41.502997] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b [ 41.504987] Code: ff ff 83 e8 01 e9 4f ff ff ff 8d 76 00 8d bc 27 00 00 00 00 55 89 e5 56 53 89 c3 83 ec 04 8b 40 14 a8 01 0f 85 18 02 00 00 89 d8 <f6> 40 04 01 74 6b 84 d2 0f 85 5b 01 00 00 3e 83 43 0c ff 78 0c [ 41.511758] EIP: page_remove_rmap+0x17/0x280 SS:ESP: 0068:f2fa79cc [ 41.514034] CR2: 0000000000000004 [ 41.515779] ---[ end trace c89b8f16688d25d1 ]--- [ 41.517708] exit(b.out/326): started do_exit() ---------------------------------------- ---------------------------------------- [ 35.986299] Out of memory: Kill process 335 (b.out) score 18 or sacrifice child [ 35.988781] Killed process 335 (b.out) total-vm:2099260kB, anon-rss:57344kB, file-rss:8kB, shmem-rss:0kB [ 35.994786] BUG: unable to handle kernel NULL pointer dereference at 0000073c [ 35.996860] IP: page_remove_rmap+0x17/0x280 [ 35.998175] *pde = 00000000 [ 35.999075] Oops: 0000 [#1] SMP DEBUG_PAGEALLOC [ 36.000472] Modules linked in: xfs libcrc32c sd_mod sr_mod cdrom ata_generic pata_acpi e1000 mptspi scsi_transport_spi mptscsih ata_piix mptbase libata serio_raw [ 36.004711] CPU: 0 PID: 480 Comm: b.out Tainted: G W 4.15.0-rc7+ #306 [ 36.006905] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/02/2015 [ 36.009964] EIP: page_remove_rmap+0x17/0x280 [ 36.011210] EFLAGS: 00010202 CPU: 0 [ 36.012225] EAX: 00000738 EBX: f2d84040 ECX: 00000010 EDX: 00000000 [ 36.014071] ESI: 0000000f EDI: f4932030 EBP: f159bac8 ESP: f159babc [ 36.016011] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 [ 36.017657] CR0: 80050033 CR2: 0000073c CR3: 3153b000 CR4: 000406d0 [ 36.019569] Call Trace: [ 36.020440] try_to_unmap_one+0x206/0x540 [ 36.021879] rmap_walk_file+0xf0/0x1e0 [ 36.023126] rmap_walk+0x32/0x60 [ 36.024169] try_to_unmap+0x4d/0xd0 [ 36.025245] ? page_remove_rmap+0x280/0x280 [ 36.026551] ? page_not_mapped+0x10/0x10 [ 36.027775] ? page_get_anon_vma+0x80/0x80 [ 36.029077] shrink_page_list+0x3e2/0xe80 [ 36.030341] shrink_inactive_list+0x1b2/0x440 [ 36.031763] shrink_node_memcg+0x34a/0x770 [ 36.033047] shrink_node+0xbb/0x2e0 [ 36.034152] do_try_to_free_pages+0xb2/0x300 [ 36.035567] try_to_free_pages+0x20b/0x330 [ 36.036853] ? schedule_timeout+0x10c/0x1d0 [ 36.038141] __alloc_pages_slowpath+0x2fb/0x6d3 [ 36.039521] __alloc_pages_nodemask+0x14a/0x170 [ 36.040897] handle_mm_fault+0x5a5/0xcd0 [ 36.042036] ? pick_next_task_fair+0xe1/0x490 [ 36.043376] ? sched_clock_cpu+0x13/0x120 [ 36.044600] __do_page_fault+0x1ea/0x4d0 [ 36.045760] ? __do_page_fault+0x4d0/0x4d0 [ 36.046964] do_page_fault+0x1a/0x20 [ 36.048043] common_exception+0x6f/0x76 [ 36.049280] EIP: 0x8048437 [ 36.050135] EFLAGS: 00010202 CPU: 0 [ 36.051219] EAX: 00615000 EBX: 7ff00000 ECX: 38420008 EDX: 00000000 [ 36.053080] ESI: 7ff00000 EDI: 00000000 EBP: bf883de8 ESP: bf883db0 [ 36.054876] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b [ 36.056455] Code: ff ff 83 e8 01 e9 4f ff ff ff 8d 76 00 8d bc 27 00 00 00 00 55 89 e5 56 53 89 c3 83 ec 04 8b 40 14 a8 01 0f 85 18 02 00 00 89 d8 <f6> 40 04 01 74 6b 84 d2 0f 85 5b 01 00 00 3e 83 43 0c ff 78 0c [ 36.062043] EIP: page_remove_rmap+0x17/0x280 SS:ESP: 0068:f159babc [ 36.063847] CR2: 000000000000073c [ 36.064945] ---[ end trace c89b8f16688d25d1 ]--- [ 36.066379] exit(b.out/480): started do_exit() ---------------------------------------- ---------------------------------------- [ 56.306933] Out of memory: Kill process 619 (b.out) score 15 or sacrifice child [ 56.309123] Killed process 619 (b.out) total-vm:2099260kB, anon-rss:48104kB, file-rss:8kB, shmem-rss:0kB [ 56.313607] BUG: unable to handle kernel NULL pointer dereference at 00000174 [ 56.315623] IP: lock_page_memcg+0x3c/0x80 [ 56.316758] *pde = 00000000 [ 56.317582] Oops: 0000 [#1] SMP DEBUG_PAGEALLOC [ 56.318858] Modules linked in: xfs libcrc32c sr_mod cdrom ata_generic pata_acpi sd_mod e1000 ata_piix mptspi scsi_transport_spi mptscsih mptbase libata serio_raw [ 56.323133] CPU: 0 PID: 782 Comm: b.out Tainted: G W 4.15.0-rc7+ #306 [ 56.325410] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/02/2015 [ 56.328521] EIP: lock_page_memcg+0x3c/0x80 [ 56.329767] EFLAGS: 00010202 CPU: 0 [ 56.330836] EAX: f2e97900 EBX: 00000004 ECX: 00000050 EDX: 00000000 [ 56.332733] ESI: 0000004f EDI: f2e97900 EBP: f2365ab4 ESP: f2365aa8 [ 56.334483] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 [ 56.335984] CR0: 80050033 CR2: 00000174 CR3: 306f3000 CR4: 000406d0 [ 56.337949] Call Trace: [ 56.338755] page_remove_rmap+0x92/0x280 [ 56.339969] try_to_unmap_one+0x206/0x540 [ 56.341199] rmap_walk_file+0xf0/0x1e0 [ 56.342359] rmap_walk+0x32/0x60 [ 56.343366] try_to_unmap+0x4d/0xd0 [ 56.344444] ? page_remove_rmap+0x280/0x280 [ 56.345716] ? page_not_mapped+0x10/0x10 [ 56.346893] ? page_get_anon_vma+0x80/0x80 [ 56.348070] shrink_page_list+0x3e2/0xe80 [ 56.349206] ? depot_save_stack+0x122/0x3c0 [ 56.350387] shrink_inactive_list+0x1b2/0x440 [ 56.351616] shrink_node_memcg+0x34a/0x770 [ 56.352776] shrink_node+0xbb/0x2e0 [ 56.353844] do_try_to_free_pages+0xb2/0x300 [ 56.355226] try_to_free_pages+0x20b/0x330 [ 56.356486] __alloc_pages_slowpath+0x2fb/0x6d3 [ 56.357875] ? __accumulate_pelt_segments+0x32/0x50 [ 56.359332] ? update_load_avg+0xa30/0xa70 [ 56.360504] __alloc_pages_nodemask+0x14a/0x170 [ 56.361782] handle_mm_fault+0x5a5/0xcd0 [ 56.362868] ? pick_next_task_fair+0xe1/0x490 [ 56.364113] ? sched_clock_cpu+0x13/0x120 [ 56.365240] __do_page_fault+0x1ea/0x4d0 [ 56.366352] ? __do_page_fault+0x4d0/0x4d0 [ 56.367483] do_page_fault+0x1a/0x20 [ 56.368540] common_exception+0x6f/0x76 [ 56.369694] EIP: 0x8048437 [ 56.370525] EFLAGS: 00010202 CPU: 0 [ 56.371650] EAX: 0030b000 EBX: 7ff00000 ECX: 38206008 EDX: 00000000 [ 56.373812] ESI: 7ff00000 EDI: 00000000 EBP: bfdb7328 ESP: bfdb72f0 [ 56.375702] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b [ 56.377290] Code: db 75 28 eb 5c 66 90 8d b3 74 01 00 00 89 f0 e8 cb 25 46 00 8b 4f 20 39 d9 74 2c 89 c2 89 f0 e8 6b 22 46 00 8b 5f 20 85 db 74 36 <8b> 83 70 01 00 00 85 c0 7f d2 89 d9 5b 89 c8 5e 5f 5d c3 90 31 [ 56.382432] EIP: lock_page_memcg+0x3c/0x80 SS:ESP: 0068:f2365aa8 [ 56.384169] CR2: 0000000000000174 [ 56.385191] ---[ end trace c89b8f16688d25d1 ]--- [ 56.386495] exit(b.out/782): started do_exit() ---------------------------------------- Overall, memory corruption is strongly suspected.
