0 pages HighMem/MovableOnly 313294 pages reserved SLUB: Unable to allocate memory on node -1 (gfp=0x2008000) cache: avc_node, object size: 72, buffer size: 104, default order: 0, min order: 0 node 0: slabs: 2427, objs: 94653, free: 0 INFO: rcu_preempt detected stalls on CPUs/tasks: (detected by 1, t=10542 jiffies, g=60937, c=60936, q=2861) All QSes seen, last rcu_preempt kthread activity 10376 (4295111032-4295100656), jiffies_till_next_fqs=1, root ->qsmask 0x0 syz-executor.0 S ffff8800b7120000 24944 2136 2121 0x20020008 0000000000000849 c8fc4fbb86e9430f ffff8801db707c88 ffffffff813a77d3 00000001000208f0 0000000100023178 ffff8801db71f480 dffffc0000000000 ffffffff82ea8680 ffff8801db707d58 ffffffff813b2ee0 0000000000000000 Call Trace: [] sched_show_task+0x380/0x38f kernel/sched/core.c:5085 [] print_other_cpu_stall kernel/rcu/tree.c:1304 [inline] [] check_cpu_stall kernel/rcu/tree.c:1410 [inline] [] __rcu_pending kernel/rcu/tree.c:3892 [inline] [] rcu_pending kernel/rcu/tree.c:3956 [inline] [] rcu_check_callbacks.cold+0xcbc/0xd14 kernel/rcu/tree.c:2796 [] update_process_times+0x3b/0x70 kernel/time/timer.c:1427 [] tick_sched_handle.isra.0+0x4a/0xf0 kernel/time/tick-sched.c:151 [] tick_sched_timer+0x7a/0x130 kernel/time/tick-sched.c:1097 [] __run_hrtimer kernel/time/hrtimer.c:1261 [inline] [] __hrtimer_run_queues+0x34e/0xfc0 kernel/time/hrtimer.c:1325 [] hrtimer_interrupt+0x1b6/0x450 kernel/time/hrtimer.c:1359 [] local_apic_timer_interrupt+0x76/0xa0 arch/x86/kernel/apic/apic.c:901 [] smp_apic_timer_interrupt+0x79/0xb0 arch/x86/kernel/apic/apic.c:925 [] apic_timer_interrupt+0x9d/0xb0 arch/x86/entry/entry_64.S:768 [] ? kmem_cache_zalloc include/linux/slab.h:610 [inline] [] ? avc_alloc_node+0x27/0x3c0 security/selinux/avc.c:551 [] slab_alloc_node mm/slub.c:2581 [inline] [] slab_alloc mm/slub.c:2623 [inline] [] kmem_cache_alloc+0x214/0x2c0 mm/slub.c:2628 [] kmem_cache_zalloc include/linux/slab.h:610 [inline] [] avc_alloc_node+0x27/0x3c0 security/selinux/avc.c:551 [] avc_insert security/selinux/avc.c:670 [inline] [] avc_compute_av+0x182/0x610 security/selinux/avc.c:976 [] avc_has_perm_noaudit security/selinux/avc.c:1112 [inline] [] avc_has_perm+0x355/0x3a0 security/selinux/avc.c:1146 [] task_has_perm+0x200/0x330 security/selinux/hooks.c:1525 [] selinux_task_wait+0x24/0x30 security/selinux/hooks.c:3763 [] security_task_wait+0x73/0xb0 security/security.c:993 [] wait_consider_task+0x28b/0x35b0 kernel/exit.c:1334 [] do_wait_thread kernel/exit.c:1447 [inline] [] do_wait+0x350/0xa00 kernel/exit.c:1518 [] SYSC_wait4 kernel/exit.c:1649 [inline] [] SyS_wait4+0x144/0x210 kernel/exit.c:1614 [] C_SYSC_wait4 kernel/compat.c:543 [inline] [] compat_SyS_wait4+0x259/0x2a0 kernel/compat.c:536 [] sys32_waitpid+0x28/0x30 arch/x86/ia32/sys_ia32.c:172 [] do_syscall_32_irqs_on arch/x86/entry/common.c:330 [inline] [] do_fast_syscall_32+0x32d/0xa90 arch/x86/entry/common.c:397 [] sysenter_flags_fixed+0xd/0x1a rcu_preempt kthread starved for 10376 jiffies! g60937 c60936 f0x2 s3 ->state=0x0 syz-executor.0: page allocation failure: order:0, mode:0x2200000 CPU: 1 PID: 2136 Comm: syz-executor.0 Not tainted 4.4.174+ #17 0000000000000000 c8fc4fbb86e9430f ffff8800a7a972d8 ffffffff81aad1a1 1ffff10014f52e5e ffff8800b7120000 0000000002200000 0000000000000000 0000000000000000 ffff8800a7a973e8 ffffffff8148c0cb 0000000000000000 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [] warn_alloc_failed.cold+0x78/0x99 mm/page_alloc.c:2757 [] __alloc_pages_slowpath mm/page_alloc.c:3241 [inline] [] __alloc_pages_nodemask+0xef5/0x14b0 mm/page_alloc.c:3313 [] __alloc_pages include/linux/gfp.h:415 [inline] [] __alloc_pages_node include/linux/gfp.h:428 [inline] [] alloc_slab_page mm/slub.c:1436 [inline] [] allocate_slab mm/slub.c:1477 [inline] [] new_slab+0x2e5/0x380 mm/slub.c:1549 [] new_slab_objects mm/slub.c:2319 [inline] [] ___slab_alloc.constprop.0+0x323/0x3e0 mm/slub.c:2476 [] __slab_alloc.isra.0.constprop.0+0x50/0xa0 mm/slub.c:2518 [] slab_alloc_node mm/slub.c:2581 [inline] [] slab_alloc mm/slub.c:2623 [inline] [] kmem_cache_alloc+0x214/0x2c0 mm/slub.c:2628 [] kmem_cache_zalloc include/linux/slab.h:610 [inline] [] avc_alloc_node+0x27/0x3c0 security/selinux/avc.c:551 [] avc_insert security/selinux/avc.c:670 [inline] [] avc_compute_av+0x182/0x610 security/selinux/avc.c:976 [] avc_has_perm_noaudit security/selinux/avc.c:1112 [inline] [] avc_has_perm+0x355/0x3a0 security/selinux/avc.c:1146 [] task_has_perm+0x200/0x330 security/selinux/hooks.c:1525 [] selinux_task_wait+0x24/0x30 security/selinux/hooks.c:3763 [] security_task_wait+0x73/0xb0 security/security.c:993 [] wait_consider_task+0x28b/0x35b0 kernel/exit.c:1334 [] do_wait_thread kernel/exit.c:1447 [inline] [] do_wait+0x350/0xa00 kernel/exit.c:1518 [] SYSC_wait4 kernel/exit.c:1649 [inline] [] SyS_wait4+0x144/0x210 kernel/exit.c:1614 [] C_SYSC_wait4 kernel/compat.c:543 [inline] [] compat_SyS_wait4+0x259/0x2a0 kernel/compat.c:536 [] sys32_waitpid+0x28/0x30 arch/x86/ia32/sys_ia32.c:172 [] do_syscall_32_irqs_on arch/x86/entry/common.c:330 [inline] [] do_fast_syscall_32+0x32d/0xa90 arch/x86/entry/common.c:397 [] sysenter_flags_fixed+0xd/0x1a Mem-Info: active_anon:1319801 inactive_anon:36379 isolated_anon:0 active_file:1753 inactive_file:1794 isolated_file:0 unevictable:1 dirty:98 writeback:0 unstable:0 slab_reclaimable:5488 slab_unreclaimable:94182 mapped:56462 shmem:43691 pagetables:72711 bounce:0 free:7026 free_pcp:284 free_cma:0 DMA32 free:18676kB min:4696kB low:5868kB high:7044kB active_anon:2410144kB inactive_anon:65772kB active_file:3012kB inactive_file:3192kB unevictable:4kB isolated(anon):0kB isolated(file):0kB present:3145324kB managed:3021976kB mlocked:0kB dirty:76kB writeback:0kB mapped:103928kB shmem:78248kB slab_reclaimable:10128kB slab_unreclaimable:169172kB kernel_stack:45024kB pagetables:131236kB unstable:0kB bounce:0kB free_pcp:696kB local_pcp:260kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 3504 3504 Normal free:9428kB min:5580kB low:6972kB high:8368kB active_anon:2869060kB inactive_anon:79744kB active_file:4000kB inactive_file:3984kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:4718592kB managed:3588764kB mlocked:0kB dirty:316kB writeback:0kB mapped:121920kB shmem:96516kB slab_reclaimable:11824kB slab_unreclaimable:207556kB kernel_stack:53920kB pagetables:159608kB unstable:0kB bounce:0kB free_pcp:440kB local_pcp:204kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 DMA32: 69*4kB (ME) 58*8kB (ME) 17*16kB (UE) 16*32kB (E) 0*64kB 2*128kB (UM) 6*256kB (UM) 4*512kB (UM) 5*1024kB (UM) 4*2048kB (UM) 0*4096kB = 18676kB Normal: 103*4kB (EH) 93*8kB (UMEH) 19*16kB (MEH) 13*32kB (E) 4*64kB (UMEH) 5*128kB (UMH) 6*256kB (MH) 2*512kB (M) 2*1024kB (UH) 1*2048kB (H) 0*4096kB = 9428kB 47250 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313294 pages reserved SLUB: Unable to allocate memory on node -1 (gfp=0x2008000) cache: avc_node, object size: 72, buffer size: 104, default order: 0, min order: 0 node 0: slabs: 2427, objs: 94653, free: 0 syz-executor.0: page allocation failure: order:0, mode:0x2200000 CPU: 1 PID: 2136 Comm: syz-executor.0 Not tainted 4.4.174+ #17 0000000000000000 c8fc4fbb86e9430f ffff8800a7a972d8 ffffffff81aad1a1 1ffff10014f52e5e ffff8800b7120000 0000000002200000 0000000000000000 0000000000000000 ffff8800a7a973e8 ffffffff8148c0cb 0000000000000000 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [] warn_alloc_failed.cold+0x78/0x99 mm/page_alloc.c:2757 [] __alloc_pages_slowpath mm/page_alloc.c:3241 [inline] [] __alloc_pages_nodemask+0xef5/0x14b0 mm/page_alloc.c:3313 [] __alloc_pages include/linux/gfp.h:415 [inline] [] __alloc_pages_node include/linux/gfp.h:428 [inline] [] alloc_slab_page mm/slub.c:1436 [inline] [] allocate_slab mm/slub.c:1477 [inline] [] new_slab+0x2e5/0x380 mm/slub.c:1549 [] new_slab_objects mm/slub.c:2319 [inline] [] ___slab_alloc.constprop.0+0x323/0x3e0 mm/slub.c:2476 [] __slab_alloc.isra.0.constprop.0+0x50/0xa0 mm/slub.c:2518 [] slab_alloc_node mm/slub.c:2581 [inline] [] slab_alloc mm/slub.c:2623 [inline] [] kmem_cache_alloc+0x214/0x2c0 mm/slub.c:2628 [] kmem_cache_zalloc include/linux/slab.h:610 [inline] [] avc_alloc_node+0x27/0x3c0 security/selinux/avc.c:551 [] avc_insert security/selinux/avc.c:670 [inline] [] avc_compute_av+0x182/0x610 security/selinux/avc.c:976 [] avc_has_perm_noaudit security/selinux/avc.c:1112 [inline] [] avc_has_perm+0x355/0x3a0 security/selinux/avc.c:1146 [] task_has_perm+0x200/0x330 security/selinux/hooks.c:1525 [] selinux_task_wait+0x24/0x30 security/selinux/hooks.c:3763 [] security_task_wait+0x73/0xb0 security/security.c:993 [] wait_consider_task+0x28b/0x35b0 kernel/exit.c:1334 [] do_wait_thread kernel/exit.c:1447 [inline] [] do_wait+0x350/0xa00 kernel/exit.c:1518 [] SYSC_wait4 kernel/exit.c:1649 [inline] [] SyS_wait4+0x144/0x210 kernel/exit.c:1614 [] C_SYSC_wait4 kernel/compat.c:543 [inline] [] compat_SyS_wait4+0x259/0x2a0 kernel/compat.c:536 [] sys32_waitpid+0x28/0x30 arch/x86/ia32/sys_ia32.c:172 [] do_syscall_32_irqs_on arch/x86/entry/common.c:330 [inline] [] do_fast_syscall_32+0x32d/0xa90 arch/x86/entry/common.c:397 [] sysenter_flags_fixed+0xd/0x1a Mem-Info: active_anon:1319801 inactive_anon:36379 isolated_anon:0 active_file:1753 inactive_file:1794 isolated_file:0 unevictable:1 dirty:98 writeback:0 unstable:0 slab_reclaimable:5488 slab_unreclaimable:94182 mapped:56462 shmem:43691 pagetables:72711 bounce:0 free:7026 free_pcp:284 free_cma:0 DMA32 free:18676kB min:4696kB low:5868kB high:7044kB active_anon:2410144kB inactive_anon:65772kB active_file:3012kB inactive_file:3192kB unevictable:4kB isolated(anon):0kB isolated(file):0kB present:3145324kB managed:3021976kB mlocked:0kB dirty:76kB writeback:0kB mapped:103928kB shmem:78248kB slab_reclaimable:10128kB slab_unreclaimable:169172kB kernel_stack:45024kB pagetables:131236kB unstable:0kB bounce:0kB free_pcp:696kB local_pcp:260kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 3504 3504 Normal free:9428kB min:5580kB low:6972kB high:8368kB active_anon:2869060kB inactive_anon:79744kB active_file:4000kB inactive_file:3984kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:4718592kB managed:3588764kB mlocked:0kB dirty:316kB writeback:0kB mapped:121920kB shmem:96516kB slab_reclaimable:11824kB slab_unreclaimable:207556kB kernel_stack:53920kB pagetables:159608kB unstable:0kB bounce:0kB free_pcp:440kB local_pcp:204kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 DMA32: 69*4kB (ME) 58*8kB (ME) 17*16kB (UE) 16*32kB (E) 0*64kB 2*128kB (UM) 6*256kB (UM) 4*512kB (UM) 5*1024kB (UM) 4*2048kB (UM) 0*4096kB = 18676kB Normal: 103*4kB (EH) 93*8kB (UMEH) 19*16kB (MEH) 13*32kB (E) 4*64kB (UMEH) 5*128kB (UMH) 6*256kB (MH) 2*512kB (M) 2*1024kB (UH) 1*2048kB (H) 0*4096kB = 9428kB 47250 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313294 pages reserved SLUB: Unable to allocate memory on node -1 (gfp=0x2008000) cache: avc_node, object size: 72, buffer size: 104, default order: 0, min order: 0 node 0: slabs: 2427, objs: 94653, free: 0 syz-executor.0: page allocation failure: order:0, mode:0x2200000 CPU: 1 PID: 2136 Comm: syz-executor.0 Not tainted 4.4.174+ #17 0000000000000000 c8fc4fbb86e9430f ffff8800a7a972d8 ffffffff81aad1a1 1ffff10014f52e5e ffff8800b7120000 0000000002200000 0000000000000000 0000000000000000 ffff8800a7a973e8 ffffffff8148c0cb 0000000000000000 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [] warn_alloc_failed.cold+0x78/0x99 mm/page_alloc.c:2757 [] __alloc_pages_slowpath mm/page_alloc.c:3241 [inline] [] __alloc_pages_nodemask+0xef5/0x14b0 mm/page_alloc.c:3313 [] __alloc_pages include/linux/gfp.h:415 [inline] [] __alloc_pages_node include/linux/gfp.h:428 [inline] [] alloc_slab_page mm/slub.c:1436 [inline] [] allocate_slab mm/slub.c:1477 [inline] [] new_slab+0x2e5/0x380 mm/slub.c:1549 [] new_slab_objects mm/slub.c:2319 [inline] [] ___slab_alloc.constprop.0+0x323/0x3e0 mm/slub.c:2476 [] __slab_alloc.isra.0.constprop.0+0x50/0xa0 mm/slub.c:2518 [] slab_alloc_node mm/slub.c:2581 [inline] [] slab_alloc mm/slub.c:2623 [inline] [] kmem_cache_alloc+0x214/0x2c0 mm/slub.c:2628 [] kmem_cache_zalloc include/linux/slab.h:610 [inline] [] avc_alloc_node+0x27/0x3c0 security/selinux/avc.c:551 [] avc_insert security/selinux/avc.c:670 [inline] [] avc_compute_av+0x182/0x610 security/selinux/avc.c:976 [] avc_has_perm_noaudit security/selinux/avc.c:1112 [inline] [] avc_has_perm+0x355/0x3a0 security/selinux/avc.c:1146 [] task_has_perm+0x200/0x330 security/selinux/hooks.c:1525 [] selinux_task_wait+0x24/0x30 security/selinux/hooks.c:3763 [] security_task_wait+0x73/0xb0 security/security.c:993 [] wait_consider_task+0x28b/0x35b0 kernel/exit.c:1334 [] do_wait_thread kernel/exit.c:1447 [inline] [] do_wait+0x350/0xa00 kernel/exit.c:1518 [] SYSC_wait4 kernel/exit.c:1649 [inline] [] SyS_wait4+0x144/0x210 kernel/exit.c:1614 [] C_SYSC_wait4 kernel/compat.c:543 [inline] [] compat_SyS_wait4+0x259/0x2a0 kernel/compat.c:536 [] sys32_waitpid+0x28/0x30 arch/x86/ia32/sys_ia32.c:172 [] do_syscall_32_irqs_on arch/x86/entry/common.c:330 [inline] [] do_fast_syscall_32+0x32d/0xa90 arch/x86/entry/common.c:397 [] sysenter_flags_fixed+0xd/0x1a Mem-Info: active_anon:1319801 inactive_anon:36379 isolated_anon:0 active_file:1753 inactive_file:1794 isolated_file:0 unevictable:1 dirty:98 writeback:0 unstable:0 slab_reclaimable:5488 slab_unreclaimable:94182 mapped:56462 shmem:43691 pagetables:72711 bounce:0 free:7026 free_pcp:284 free_cma:0 DMA32 free:18676kB min:4696kB low:5868kB high:7044kB active_anon:2410144kB inactive_anon:65772kB active_file:3012kB inactive_file:3192kB unevictable:4kB isolated(anon):0kB isolated(file):0kB present:3145324kB managed:3021976kB mlocked:0kB dirty:76kB writeback:0kB mapped:103928kB shmem:78248kB slab_reclaimable:10128kB slab_unreclaimable:169172kB kernel_stack:45024kB pagetables:131236kB unstable:0kB bounce:0kB free_pcp:696kB local_pcp:260kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 3504 3504 Normal free:9428kB min:5580kB low:6972kB high:8368kB active_anon:2869060kB inactive_anon:79744kB active_file:4000kB inactive_file:3984kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:4718592kB managed:3588764kB mlocked:0kB dirty:316kB writeback:0kB mapped:121920kB shmem:96516kB slab_reclaimable:11824kB slab_unreclaimable:207556kB kernel_stack:53920kB pagetables:159608kB unstable:0kB bounce:0kB free_pcp:440kB local_pcp:204kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 DMA32: 69*4kB (ME) 58*8kB (ME) 17*16kB (UE) 16*32kB (E) 0*64kB 2*128kB (UM) 6*256kB (UM) 4*512kB (UM) 5*1024kB (UM) 4*2048kB (UM) 0*4096kB = 18676kB Normal: 103*4kB (EH) 93*8kB (UMEH) 19*16kB (MEH) 13*32kB (E) 4*64kB (UMEH) 5*128kB (UMH) 6*256kB (MH) 2*512kB (M) 2*1024kB (UH) 1*2048kB (H) 0*4096kB = 9428kB 47250 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313294 pages reserved SLUB: Unable to allocate memory on node -1 (gfp=0x2008000) cache: avc_node, object size: 72, buffer size: 104, default order: 0, min order: 0 node 0: slabs: 2427, objs: 94653, free: 0 syz-executor.0: page allocation failure: order:0, mode:0x2200000 CPU: 1 PID: 2136 Comm: syz-executor.0 Not tainted 4.4.174+ #17 0000000000000000 c8fc4fbb86e9430f ffff8800a7a972d8 ffffffff81aad1a1 1ffff10014f52e5e ffff8800b7120000 0000000002200000 0000000000000000 0000000000000000 ffff8800a7a973e8 ffffffff8148c0cb 0000000000000000 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [] warn_alloc_failed.cold+0x78/0x99 mm/page_alloc.c:2757 [] __alloc_pages_slowpath mm/page_alloc.c:3241 [inline] [] __alloc_pages_nodemask+0xef5/0x14b0 mm/page_alloc.c:3313 [] __alloc_pages include/linux/gfp.h:415 [inline] [] __alloc_pages_node include/linux/gfp.h:428 [inline] [] alloc_slab_page mm/slub.c:1436 [inline] [] allocate_slab mm/slub.c:1477 [inline] [] new_slab+0x2e5/0x380 mm/slub.c:1549 [] new_slab_objects mm/slub.c:2319 [inline] [] ___slab_alloc.constprop.0+0x323/0x3e0 mm/slub.c:2476 [] __slab_alloc.isra.0.constprop.0+0x50/0xa0 mm/slub.c:2518 [] slab_alloc_node mm/slub.c:2581 [inline] [] slab_alloc mm/slub.c:2623 [inline] [] kmem_cache_alloc+0x214/0x2c0 mm/slub.c:2628 [] kmem_cache_zalloc include/linux/slab.h:610 [inline] [] avc_alloc_node+0x27/0x3c0 security/selinux/avc.c:551 [] avc_insert security/selinux/avc.c:670 [inline] [] avc_compute_av+0x182/0x610 security/selinux/avc.c:976 [] avc_has_perm_noaudit security/selinux/avc.c:1112 [inline] [] avc_has_perm+0x355/0x3a0 security/selinux/avc.c:1146 [] task_has_perm+0x200/0x330 security/selinux/hooks.c:1525 [] selinux_task_wait+0x24/0x30 security/selinux/hooks.c:3763 [] security_task_wait+0x73/0xb0 security/security.c:993 [] wait_consider_task+0x28b/0x35b0 kernel/exit.c:1334 [] do_wait_thread kernel/exit.c:1447 [inline] [] do_wait+0x350/0xa00 kernel/exit.c:1518 [] SYSC_wait4 kernel/exit.c:1649 [inline] [] SyS_wait4+0x144/0x210 kernel/exit.c:1614 [] C_SYSC_wait4 kernel/compat.c:543 [inline] [] compat_SyS_wait4+0x259/0x2a0 kernel/compat.c:536 [] sys32_waitpid+0x28/0x30 arch/x86/ia32/sys_ia32.c:172 [] do_syscall_32_irqs_on arch/x86/entry/common.c:330 [inline] [] do_fast_syscall_32+0x32d/0xa90 arch/x86/entry/common.c:397 [] sysenter_flags_fixed+0xd/0x1a Mem-Info: active_anon:1319801 inactive_anon:36379 isolated_anon:0 active_file:1753 inactive_file:1794 isolated_file:0 unevictable:1 dirty:98 writeback:0 unstable:0 slab_reclaimable:5488 slab_unreclaimable:94182 mapped:56462 shmem:43691 pagetables:72711 bounce:0 free:7026 free_pcp:284 free_cma:0 DMA32 free:18676kB min:4696kB low:5868kB high:7044kB active_anon:2410144kB inactive_anon:65772kB active_file:3012kB inactive_file:3192kB unevictable:4kB isolated(anon):0kB isolated(file):0kB present:3145324kB managed:3021976kB mlocked:0kB dirty:76kB writeback:0kB mapped:103928kB shmem:78248kB slab_reclaimable:10128kB slab_unreclaimable:169172kB kernel_stack:45024kB pagetables:131236kB unstable:0kB bounce:0kB free_pcp:696kB local_pcp:260kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 3504 3504 Normal free:9428kB min:5580kB low:6972kB high:8368kB active_anon:2869060kB inactive_anon:79744kB active_file:4000kB inactive_file:3984kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:4718592kB managed:3588764kB mlocked:0kB dirty:316kB writeback:0kB mapped:121920kB shmem:96516kB slab_reclaimable:11824kB slab_unreclaimable:207556kB kernel_stack:53920kB pagetables:159608kB unstable:0kB bounce:0kB free_pcp:440kB local_pcp:204kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 DMA32: 69*4kB (ME) 58*8kB (ME) 17*16kB (UE) 16*32kB (E) 0*64kB 2*128kB (UM) 6*256kB (UM) 4*512kB (UM) 5*1024kB (UM) 4*2048kB (UM) 0*4096kB = 18676kB Normal: 103*4kB (EH) 93*8kB (UMEH) 19*16kB (MEH) 13*32kB (E) 4*64kB (UMEH) 5*128kB (UMH) 6*256kB (MH) 2*512kB (M) 2*1024kB (UH) 1*2048kB (H) 0*4096kB = 9428kB 47250 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313294 pages reserved SLUB: Unable to allocate memory on node -1 (gfp=0x2008000) cache: avc_node, object size: 72, buffer size: 104, default order: 0, min order: 0 node 0: slabs: 2427, objs: 94653, free: 0 syz-executor.0: page allocation failure: order:0, mode:0x2200000 CPU: 1 PID: 2136 Comm: syz-executor.0 Not tainted 4.4.174+ #17 0000000000000000 c8fc4fbb86e9430f ffff8800a7a972d8 ffffffff81aad1a1 1ffff10014f52e5e ffff8800b7120000 0000000002200000 0000000000000000 0000000000000000 ffff8800a7a973e8 ffffffff8148c0cb 0000000000000000 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [] warn_alloc_failed.cold+0x78/0x99 mm/page_alloc.c:2757 [] __alloc_pages_slowpath mm/page_alloc.c:3241 [inline] [] __alloc_pages_nodemask+0xef5/0x14b0 mm/page_alloc.c:3313 [] __alloc_pages include/linux/gfp.h:415 [inline] [] __alloc_pages_node include/linux/gfp.h:428 [inline] [] alloc_slab_page mm/slub.c:1436 [inline] [] allocate_slab mm/slub.c:1477 [inline] [] new_slab+0x2e5/0x380 mm/slub.c:1549 [] new_slab_objects mm/slub.c:2319 [inline] [] ___slab_alloc.constprop.0+0x323/0x3e0 mm/slub.c:2476 [] __slab_alloc.isra.0.constprop.0+0x50/0xa0 mm/slub.c:2518 [] slab_alloc_node mm/slub.c:2581 [inline] [] slab_alloc mm/slub.c:2623 [inline] [] kmem_cache_alloc+0x214/0x2c0 mm/slub.c:2628 [] kmem_cache_zalloc include/linux/slab.h:610 [inline] [] avc_alloc_node+0x27/0x3c0 security/selinux/avc.c:551 [] avc_insert security/selinux/avc.c:670 [inline] [] avc_compute_av+0x182/0x610 security/selinux/avc.c:976 [] avc_has_perm_noaudit security/selinux/avc.c:1112 [inline] [] avc_has_perm+0x355/0x3a0 security/selinux/avc.c:1146 [] task_has_perm+0x200/0x330 security/selinux/hooks.c:1525 [] selinux_task_wait+0x24/0x30 security/selinux/hooks.c:3763 [] security_task_wait+0x73/0xb0 security/security.c:993 [] wait_consider_task+0x28b/0x35b0 kernel/exit.c:1334 [] do_wait_thread kernel/exit.c:1447 [inline] [] do_wait+0x350/0xa00 kernel/exit.c:1518 [] SYSC_wait4 kernel/exit.c:1649 [inline] [] SyS_wait4+0x144/0x210 kernel/exit.c:1614 [] C_SYSC_wait4 kernel/compat.c:543 [inline] [] compat_SyS_wait4+0x259/0x2a0 kernel/compat.c:536 [] sys32_waitpid+0x28/0x30 arch/x86/ia32/sys_ia32.c:172 [] do_syscall_32_irqs_on arch/x86/entry/common.c:330 [inline] [] do_fast_syscall_32+0x32d/0xa90 arch/x86/entry/common.c:397 [] sysenter_flags_fixed+0xd/0x1a Mem-Info: active_anon:1319801 inactive_anon:36379 isolated_anon:0 active_file:1753 inactive_file:1794 isolated_file:0 unevictable:1 dirty:98 writeback:0 unstable:0 slab_reclaimable:5488 slab_unreclaimable:94182 mapped:56462 shmem:43691 pagetables:72711 bounce:0 free:7026 free_pcp:284 free_cma:0 DMA32 free:18676kB min:4696kB low:5868kB high:7044kB active_anon:2410144kB inactive_anon:65772kB active_file:3012kB inactive_file:3192kB unevictable:4kB isolated(anon):0kB isolated(file):0kB present:3145324kB managed:3021976kB mlocked:0kB dirty:76kB writeback:0kB mapped:103928kB shmem:78248kB slab_reclaimable:10128kB slab_unreclaimable:169172kB kernel_stack:45024kB pagetables:131236kB unstable:0kB bounce:0kB free_pcp:696kB local_pcp:260kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 3504 3504 Normal free:9428kB min:5580kB low:6972kB high:8368kB active_anon:2869060kB inactive_anon:79744kB active_file:4000kB inactive_file:3984kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:4718592kB managed:3588764kB mlocked:0kB dirty:316kB writeback:0kB mapped:121920kB shmem:96516kB slab_reclaimable:11824kB slab_unreclaimable:207556kB kernel_stack:53920kB pagetables:159608kB unstable:0kB bounce:0kB free_pcp:440kB local_pcp:204kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 DMA32: 69*4kB (ME) 58*8kB (ME) 17*16kB (UE) 16*32kB (E) 0*64kB 2*128kB (UM) 6*256kB (UM) 4*512kB (UM) 5*1024kB (UM) 4*2048kB (UM) 0*4096kB = 18676kB Normal: 103*4kB (EH) 93*8kB (UMEH) 19*16kB (MEH) 13*32kB (E) 4*64kB (UMEH) 5*128kB (UMH) 6*256kB (MH) 2*512kB (M) 2*1024kB (UH) 1*2048kB (H) 0*4096kB = 9428kB 47250 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313294 pages reserved SLUB: Unable to allocate memory on node -1 (gfp=0x2008000) cache: avc_node, object size: 72, buffer size: 104, default order: 0, min order: 0 node 0: slabs: 2427, objs: 94653, free: 0 syz-executor.0: page allocation failure: order:0, mode:0x2200000 CPU: 1 PID: 2136 Comm: syz-executor.0 Not tainted 4.4.174+ #17 0000000000000000 c8fc4fbb86e9430f ffff8800a7a972d8 ffffffff81aad1a1 1ffff10014f52e5e ffff8800b7120000 0000000002200000 0000000000000000 0000000000000000 ffff8800a7a973e8 ffffffff8148c0cb 0000000000000000 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [] warn_alloc_failed.cold+0x78/0x99 mm/page_alloc.c:2757 [] __alloc_pages_slowpath mm/page_alloc.c:3241 [inline] [] __alloc_pages_nodemask+0xef5/0x14b0 mm/page_alloc.c:3313 [] __alloc_pages include/linux/gfp.h:415 [inline] [] __alloc_pages_node include/linux/gfp.h:428 [inline] [] alloc_slab_page mm/slub.c:1436 [inline] [] allocate_slab mm/slub.c:1477 [inline] [] new_slab+0x2e5/0x380 mm/slub.c:1549 [] new_slab_objects mm/slub.c:2319 [inline] [] ___slab_alloc.constprop.0+0x323/0x3e0 mm/slub.c:2476 [] __slab_alloc.isra.0.constprop.0+0x50/0xa0 mm/slub.c:2518 [] slab_alloc_node mm/slub.c:2581 [inline] [] slab_alloc mm/slub.c:2623 [inline] [] kmem_cache_alloc+0x214/0x2c0 mm/slub.c:2628 [] kmem_cache_zalloc include/linux/slab.h:610 [inline] [] avc_alloc_node+0x27/0x3c0 security/selinux/avc.c:551 [] avc_insert security/selinux/avc.c:670 [inline] [] avc_compute_av+0x182/0x610 security/selinux/avc.c:976 [] avc_has_perm_noaudit security/selinux/avc.c:1112 [inline] [] avc_has_perm+0x355/0x3a0 security/selinux/avc.c:1146 [] task_has_perm+0x200/0x330 security/selinux/hooks.c:1525 [] selinux_task_wait+0x24/0x30 security/selinux/hooks.c:3763 [] security_task_wait+0x73/0xb0 security/security.c:993 [] wait_consider_task+0x28b/0x35b0 kernel/exit.c:1334 [] do_wait_thread kernel/exit.c:1447 [inline] [] do_wait+0x350/0xa00 kernel/exit.c:1518 [] SYSC_wait4 kernel/exit.c:1649 [inline] [] SyS_wait4+0x144/0x210 kernel/exit.c:1614 [] C_SYSC_wait4 kernel/compat.c:543 [inline] [] compat_SyS_wait4+0x259/0x2a0 kernel/compat.c:536 [] sys32_waitpid+0x28/0x30 arch/x86/ia32/sys_ia32.c:172 [] do_syscall_32_irqs_on arch/x86/entry/common.c:330 [inline] [] do_fast_syscall_32+0x32d/0xa90 arch/x86/entry/common.c:397 [] sysenter_flags_fixed+0xd/0x1a Mem-Info: active_anon:1319801 inactive_anon:36379 isolated_anon:0 active_file:1753 inactive_file:1794 isolated_file:0 unevictable:1 dirty:98 writeback:0 unstable:0 slab_reclaimable:5488 slab_unreclaimable:94182 mapped:56462 shmem:43691 pagetables:72711 bounce:0 free:7026 free_pcp:284 free_cma:0 DMA32 free:18676kB min:4696kB low:5868kB high:7044kB active_anon:2410144kB inactive_anon:65772kB active_file:3012kB inactive_file:3192kB unevictable:4kB isolated(anon):0kB isolated(file):0kB present:3145324kB managed:3021976kB mlocked:0kB dirty:76kB writeback:0kB mapped:103928kB shmem:78248kB slab_reclaimable:10128kB slab_unreclaimable:169172kB kernel_stack:45024kB pagetables:131236kB unstable:0kB bounce:0kB free_pcp:696kB local_pcp:260kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 3504 3504 Normal free:9428kB min:5580kB low:6972kB high:8368kB active_anon:2869060kB inactive_anon:79744kB active_file:4000kB inactive_file:3984kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:4718592kB managed:3588764kB mlocked:0kB dirty:316kB writeback:0kB mapped:121920kB shmem:96516kB slab_reclaimable:11824kB slab_unreclaimable:207556kB kernel_stack:53920kB pagetables:159608kB unstable:0kB bounce:0kB free_pcp:440kB local_pcp:204kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 DMA32: 69*4kB (ME) 58*8kB (ME) 17*16kB (UE) 16*32kB (E) 0*64kB 2*128kB (UM) 6*256kB (UM) 4*512kB (UM) 5*1024kB (UM) 4*2048kB (UM) 0*4096kB = 18676kB Normal: 103*4kB (EH) 93*8kB (UMEH) 19*16kB (MEH) 13*32kB (E) 4*64kB (UMEH) 5*128kB (UMH) 6*256kB (MH) 2*512kB (M) 2*1024kB (UH) 1*2048kB (H) 0*4096kB = 9428kB 47250 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313294 pages reserved SLUB: Unable to allocate memory on node -1 (gfp=0x2008000) cache: avc_node, object size: 72, buffer size: 104, default order: 0, min order: 0 node 0: slabs: 2427, objs: 94653, free: 0 syz-executor.0: page allocation failure: order:0, mode:0x2200000 CPU: 1 PID: 2136 Comm: syz-executor.0 Not tainted 4.4.174+ #17 0000000000000000 c8fc4fbb86e9430f ffff8800a7a972d8 ffffffff81aad1a1 1ffff10014f52e5e ffff8800b7120000 0000000002200000 0000000000000000 0000000000000000 ffff8800a7a973e8 ffffffff8148c0cb 0000000000000000 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [] warn_alloc_failed.cold+0x78/0x99 mm/page_alloc.c:2757 [] __alloc_pages_slowpath mm/page_alloc.c:3241 [inline] [] __alloc_pages_nodemask+0xef5/0x14b0 mm/page_alloc.c:3313 [] __alloc_pages include/linux/gfp.h:415 [inline] [] __alloc_pages_node include/linux/gfp.h:428 [inline] [] alloc_slab_page mm/slub.c:1436 [inline] [] allocate_slab mm/slub.c:1477 [inline] [] new_slab+0x2e5/0x380 mm/slub.c:1549 [] new_slab_objects mm/slub.c:2319 [inline] [] ___slab_alloc.constprop.0+0x323/0x3e0 mm/slub.c:2476 [] __slab_alloc.isra.0.constprop.0+0x50/0xa0 mm/slub.c:2518 [] slab_alloc_node mm/slub.c:2581 [inline] [] slab_alloc mm/slub.c:2623 [inline] [] kmem_cache_alloc+0x214/0x2c0 mm/slub.c:2628 [] kmem_cache_zalloc include/linux/slab.h:610 [inline] [] avc_alloc_node+0x27/0x3c0 security/selinux/avc.c:551 [] avc_insert security/selinux/avc.c:670 [inline] [] avc_compute_av+0x182/0x610 security/selinux/avc.c:976 [] avc_has_perm_noaudit security/selinux/avc.c:1112 [inline] [] avc_has_perm+0x355/0x3a0 security/selinux/avc.c:1146 [] task_has_perm+0x200/0x330 security/selinux/hooks.c:1525 [] selinux_task_wait+0x24/0x30 security/selinux/hooks.c:3763 [] security_task_wait+0x73/0xb0 security/security.c:993 [] wait_consider_task+0x28b/0x35b0 kernel/exit.c:1334 [] do_wait_thread kernel/exit.c:1447 [inline] [] do_wait+0x350/0xa00 kernel/exit.c:1518 [] SYSC_wait4 kernel/exit.c:1649 [inline] [] SyS_wait4+0x144/0x210 kernel/exit.c:1614 [] C_SYSC_wait4 kernel/compat.c:543 [inline] [] compat_SyS_wait4+0x259/0x2a0 kernel/compat.c:536 [] sys32_waitpid+0x28/0x30 arch/x86/ia32/sys_ia32.c:172 [] do_syscall_32_irqs_on arch/x86/entry/common.c:330 [inline] [] do_fast_syscall_32+0x32d/0xa90 arch/x86/entry/common.c:397 [] sysenter_flags_fixed+0xd/0x1a Mem-Info: active_anon:1319801 inactive_anon:36379 isolated_anon:0 active_file:1753 inactive_file:1794 isolated_file:0 unevictable:1 dirty:98 writeback:0 unstable:0 slab_reclaimable:5488 slab_unreclaimable:94182 mapped:56462 shmem:43691 pagetables:72711 bounce:0 free:7026 free_pcp:283 free_cma:0 DMA32 free:18676kB min:4696kB low:5868kB high:7044kB active_anon:2410144kB inactive_anon:65772kB active_file:3012kB inactive_file:3192kB unevictable:4kB isolated(anon):0kB isolated(file):0kB present:3145324kB managed:3021976kB mlocked:0kB dirty:76kB writeback:0kB mapped:103928kB shmem:78248kB slab_reclaimable:10128kB slab_unreclaimable:169172kB kernel_stack:45024kB pagetables:131236kB unstable:0kB bounce:0kB free_pcp:696kB local_pcp:260kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 3504 3504 Normal free:9428kB min:5580kB low:6972kB high:8368kB active_anon:2869060kB inactive_anon:79744kB active_file:4000kB inactive_file:3984kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:4718592kB managed:3588764kB mlocked:0kB dirty:316kB writeback:0kB mapped:121920kB shmem:96516kB slab_reclaimable:11824kB slab_unreclaimable:207556kB kernel_stack:53920kB pagetables:159608kB unstable:0kB bounce:0kB free_pcp:436kB local_pcp:200kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 DMA32: 69*4kB (ME) 58*8kB (ME) 17*16kB (UE) 16*32kB (E) 0*64kB 2*128kB (UM) 6*256kB (UM) 4*512kB (UM) 5*1024kB (UM) 4*2048kB (UM) 0*4096kB = 18676kB Normal: 103*4kB (EH) 93*8kB (UMEH) 19*16kB (MEH) 13*32kB (E) 4*64kB (UMEH) 5*128kB (UMH) 6*256kB (MH) 2*512kB (M) 2*1024kB (UH) 1*2048kB (H) 0*4096kB = 9428kB 47250 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313294 pages reserved SLUB: Unable to allocate memory on node -1 (gfp=0x2008000) cache: avc_node, object size: 72, buffer size: 104, default order: 0, min order: 0 node 0: slabs: 2427, objs: 94653, free: 0 syz-executor.0: page allocation failure: order:0, mode:0x2200000 CPU: 1 PID: 2136 Comm: syz-executor.0 Not tainted 4.4.174+ #17 0000000000000000 c8fc4fbb86e9430f ffff8800a7a972d8 ffffffff81aad1a1 1ffff10014f52e5e ffff8800b7120000 0000000002200000 0000000000000000 0000000000000000 ffff8800a7a973e8 ffffffff8148c0cb 0000000000000000 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [] warn_alloc_failed.cold+0x78/0x99 mm/page_alloc.c:2757 [] __alloc_pages_slowpath mm/page_alloc.c:3241 [inline] [] __alloc_pages_nodemask+0xef5/0x14b0 mm/page_alloc.c:3313 [] __alloc_pages include/linux/gfp.h:415 [inline] [] __alloc_pages_node include/linux/gfp.h:428 [inline] [] alloc_slab_page mm/slub.c:1436 [inline] [] allocate_slab mm/slub.c:1477 [inline] [] new_slab+0x2e5/0x380 mm/slub.c:1549 [] new_slab_objects mm/slub.c:2319 [inline] [] ___slab_alloc.constprop.0+0x323/0x3e0 mm/slub.c:2476 [] __slab_alloc.isra.0.constprop.0+0x50/0xa0 mm/slub.c:2518 [] slab_alloc_node mm/slub.c:2581 [inline] [] slab_alloc mm/slub.c:2623 [inline] [] kmem_cache_alloc+0x214/0x2c0 mm/slub.c:2628 [] kmem_cache_zalloc include/linux/slab.h:610 [inline] [] avc_alloc_node+0x27/0x3c0 security/selinux/avc.c:551 [] avc_insert security/selinux/avc.c:670 [inline] [] avc_compute_av+0x182/0x610 security/selinux/avc.c:976 [] avc_has_perm_noaudit security/selinux/avc.c:1112 [inline] [] avc_has_perm+0x355/0x3a0 security/selinux/avc.c:1146 [] task_has_perm+0x200/0x330 security/selinux/hooks.c:1525 [] selinux_task_wait+0x24/0x30 security/selinux/hooks.c:3763 [] security_task_wait+0x73/0xb0 security/security.c:993 [] wait_consider_task+0x28b/0x35b0 kernel/exit.c:1334 [] do_wait_thread kernel/exit.c:1447 [inline] [] do_wait+0x350/0xa00 kernel/exit.c:1518 [] SYSC_wait4 kernel/exit.c:1649 [inline] [] SyS_wait4+0x144/0x210 kernel/exit.c:1614 [] C_SYSC_wait4 kernel/compat.c:543 [inline] [] compat_SyS_wait4+0x259/0x2a0 kernel/compat.c:536 [] sys32_waitpid+0x28/0x30 arch/x86/ia32/sys_ia32.c:172 [] do_syscall_32_irqs_on arch/x86/entry/common.c:330 [inline] [] do_fast_syscall_32+0x32d/0xa90 arch/x86/entry/common.c:397 [] sysenter_flags_fixed+0xd/0x1a Mem-Info: active_anon:1319801 inactive_anon:36379 isolated_anon:0 active_file:1753 inactive_file:1794 isolated_file:0 unevictable:1 dirty:98 writeback:0 unstable:0 slab_reclaimable:5488 slab_unreclaimable:94182 mapped:56462 shmem:43691 pagetables:72711 bounce:0 free:7026 free_pcp:283 free_cma:0 DMA32 free:18676kB min:4696kB low:5868kB high:7044kB active_anon:2410144kB inactive_anon:65772kB active_file:3012kB inactive_file:3192kB unevictable:4kB isolated(anon):0kB isolated(file):0kB present:3145324kB managed:3021976kB mlocked:0kB dirty:76kB writeback:0kB mapped:103928kB shmem:78248kB slab_reclaimable:10128kB slab_unreclaimable:169172kB kernel_stack:45024kB pagetables:131236kB unstable:0kB bounce:0kB free_pcp:696kB local_pcp:260kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 3504 3504 Normal free:9428kB min:5580kB low:6972kB high:8368kB active_anon:2869060kB inactive_anon:79744kB active_file:4000kB inactive_file:3984kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:4718592kB managed:3588764kB mlocked:0kB dirty:316kB writeback:0kB mapped:121920kB shmem:96516kB slab_reclaimable:11824kB slab_unreclaimable:207556kB kernel_stack:53920kB pagetables:159608kB unstable:0kB bounce:0kB free_pcp:436kB local_pcp:200kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 DMA32: 69*4kB (ME) 58*8kB (ME) 17*16kB (UE) 16*32kB (E) 0*64kB 2*128kB (UM) 6*256kB (UM) 4*512kB (UM) 5*1024kB (UM) 4*2048kB (UM) 0*4096kB = 18676kB Normal: 103*4kB (EH) 93*8kB (UMEH) 19*16kB (MEH) 13*32kB (E) 4*64kB (UMEH) 5*128kB (UMH) 6*256kB (MH) 2*512kB (M) 2*1024kB (UH) 1*2048kB (H) 0*4096kB = 9428kB 47250 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313294 pages reserved SLUB: Unable to allocate memory on node -1 (gfp=0x2008000) cache: avc_node, object size: 72, buffer size: 104, default order: 0, min order: 0 node 0: slabs: 2427, objs: 94653, free: 0 syz-executor.0: page allocation failure: order:0, mode:0x2200000 CPU: 1 PID: 2136 Comm: syz-executor.0 Not tainted 4.4.174+ #17 0000000000000000 c8fc4fbb86e9430f ffff8800a7a972d8 ffffffff81aad1a1 1ffff10014f52e5e ffff8800b7120000 0000000002200000 0000000000000000 0000000000000000 ffff8800a7a973e8 ffffffff8148c0cb 0000000000000000 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [] warn_alloc_failed.cold+0x78/0x99 mm/page_alloc.c:2757 [] __alloc_pages_slowpath mm/page_alloc.c:3241 [inline] [] __alloc_pages_nodemask+0xef5/0x14b0 mm/page_alloc.c:3313 [] __alloc_pages include/linux/gfp.h:415 [inline] [] __alloc_pages_node include/linux/gfp.h:428 [inline] [] alloc_slab_page mm/slub.c:1436 [inline] [] allocate_slab mm/slub.c:1477 [inline] [] new_slab+0x2e5/0x380 mm/slub.c:1549 [] new_slab_objects mm/slub.c:2319 [inline] [] ___slab_alloc.constprop.0+0x323/0x3e0 mm/slub.c:2476 [] __slab_alloc.isra.0.constprop.0+0x50/0xa0 mm/slub.c:2518 [] slab_alloc_node mm/slub.c:2581 [inline] [] slab_alloc mm/slub.c:2623 [inline] [] kmem_cache_alloc+0x214/0x2c0 mm/slub.c:2628 [] kmem_cache_zalloc include/linux/slab.h:610 [inline] [] avc_alloc_node+0x27/0x3c0 security/selinux/avc.c:551 [] avc_insert security/selinux/avc.c:670 [inline] [] avc_compute_av+0x182/0x610 security/selinux/avc.c:976 [] avc_has_perm_noaudit security/selinux/avc.c:1112 [inline] [] avc_has_perm+0x355/0x3a0 security/selinux/avc.c:1146 [] task_has_perm+0x200/0x330 security/selinux/hooks.c:1525 [] selinux_task_wait+0x24/0x30 security/selinux/hooks.c:3763 [] security_task_wait+0x73/0xb0 security/security.c:993 [] wait_consider_task+0x28b/0x35b0 kernel/exit.c:1334 [] do_wait_thread kernel/exit.c:1447 [inline] [] do_wait+0x350/0xa00 kernel/exit.c:1518 [] SYSC_wait4 kernel/exit.c:1649 [inline] [] SyS_wait4+0x144/0x210 kernel/exit.c:1614 [] C_SYSC_wait4 kernel/compat.c:543 [inline] [] compat_SyS_wait4+0x259/0x2a0 kernel/compat.c:536 [] sys32_waitpid+0x28/0x30 arch/x86/ia32/sys_ia32.c:172 [] do_syscall_32_irqs_on arch/x86/entry/common.c:330 [inline] [] do_fast_syscall_32+0x32d/0xa90 arch/x86/entry/common.c:397 [] sysenter_flags_fixed+0xd/0x1a Mem-Info: active_anon:1319801 inactive_anon:36379 isolated_anon:0 active_file:1753 inactive_file:1794 isolated_file:0 unevictable:1 dirty:98 writeback:0 unstable:0 slab_reclaimable:5488 slab_unreclaimable:94182 mapped:56462 shmem:43691 pagetables:72711 bounce:0 free:7026 free_pcp:283 free_cma:0 DMA32 free:18676kB min:4696kB low:5868kB high:7044kB active_anon:2410144kB inactive_anon:65772kB active_file:3012kB inactive_file:3192kB unevictable:4kB isolated(anon):0kB isolated(file):0kB present:3145324kB managed:3021976kB mlocked:0kB dirty:76kB writeback:0kB mapped:103928kB shmem:78248kB slab_reclaimable:10128kB slab_unreclaimable:169172kB kernel_stack:45024kB pagetables:131236kB unstable:0kB bounce:0kB free_pcp:696kB local_pcp:260kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 3504 3504 Normal free:9428kB min:5580kB low:6972kB high:8368kB active_anon:2869060kB inactive_anon:79744kB active_file:4000kB inactive_file:3984kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:4718592kB managed:3588764kB mlocked:0kB dirty:316kB writeback:0kB mapped:121920kB shmem:96516kB slab_reclaimable:11824kB slab_unreclaimable:207556kB kernel_stack:53920kB pagetables:159608kB unstable:0kB bounce:0kB free_pcp:436kB local_pcp:200kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 DMA32: 69*4kB (ME) 58*8kB (ME) 17*16kB (UE) 16*32kB (E) 0*64kB 2*128kB (UM) 6*256kB (UM) 4*512kB (UM) 5*1024kB (UM) 4*2048kB (UM) 0*4096kB = 18676kB Normal: 103*4kB (EH) 93*8kB (UMEH) 19*16kB (MEH) 13*32kB (E) 4*64kB (UMEH) 5*128kB (UMH) 6*256kB (MH) 2*512kB (M) 2*1024kB (UH) 1*2048kB (H) 0*4096kB = 9428kB 47250 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313294 pages reserved SLUB: Unable to allocate memory on node -1 (gfp=0x2008000) cache: avc_node, object size: 72, buffer size: 104, default order: 0, min order: 0 node 0: slabs: 2427, objs: 94653, free: 0 syz-executor.0: page allocation failure: order:0, mode:0x2200000 CPU: 1 PID: 2136 Comm: syz-executor.0 Not tainted 4.4.174+ #17 0000000000000000 c8fc4fbb86e9430f ffff8800a7a972d8 ffffffff81aad1a1 1ffff10014f52e5e ffff8800b7120000 0000000002200000 0000000000000000 0000000000000000 ffff8800a7a973e8 ffffffff8148c0cb 0000000000000000 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [] warn_alloc_failed.cold+0x78/0x99 mm/page_alloc.c:2757 [] __alloc_pages_slowpath mm/page_alloc.c:3241 [inline] [] __alloc_pages_nodemask+0xef5/0x14b0 mm/page_alloc.c:3313 [] __alloc_pages include/linux/gfp.h:415 [inline] [] __alloc_pages_node include/linux/gfp.h:428 [inline] [] alloc_slab_page mm/slub.c:1436 [inline] [] allocate_slab mm/slub.c:1477 [inline] [] new_slab+0x2e5/0x380 mm/slub.c:1549 [] new_slab_objects mm/slub.c:2319 [inline] [] ___slab_alloc.constprop.0+0x323/0x3e0 mm/slub.c:2476 [] __slab_alloc.isra.0.constprop.0+0x50/0xa0 mm/slub.c:2518 [] slab_alloc_node mm/slub.c:2581 [inline] [] slab_alloc mm/slub.c:2623 [inline] [] kmem_cache_alloc+0x214/0x2c0 mm/slub.c:2628 [] kmem_cache_zalloc include/linux/slab.h:610 [inline] [] avc_alloc_node+0x27/0x3c0 security/selinux/avc.c:551 [] avc_insert security/selinux/avc.c:670 [inline] [] avc_compute_av+0x182/0x610 security/selinux/avc.c:976 [] avc_has_perm_noaudit security/selinux/avc.c:1112 [inline] [] avc_has_perm+0x355/0x3a0 security/selinux/avc.c:1146 [] task_has_perm+0x200/0x330 security/selinux/hooks.c:1525 [] selinux_task_wait+0x24/0x30 security/selinux/hooks.c:3763 [] security_task_wait+0x73/0xb0 security/security.c:993 [] wait_consider_task+0x28b/0x35b0 kernel/exit.c:1334 [] do_wait_thread kernel/exit.c:1447 [inline] [] do_wait+0x350/0xa00 kernel/exit.c:1518 [] SYSC_wait4 kernel/exit.c:1649 [inline] [] SyS_wait4+0x144/0x210 kernel/exit.c:1614 [] C_SYSC_wait4 kernel/compat.c:543 [inline] [] compat_SyS_wait4+0x259/0x2a0 kernel/compat.c:536 [] sys32_waitpid+0x28/0x30 arch/x86/ia32/sys_ia32.c:172 [