[....] Starting enhanced syslogd: rsyslogd[ 13.234830] audit: type=1400 audit(1548220375.264:4): avc: denied { syslog } for pid=1918 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.4' (ECDSA) to the list of known hosts. 2019/01/23 05:13:17 parsed 1 programs 2019/01/23 05:13:18 executed programs: 0 syzkaller login: [ 42.207273] lowmemorykiller: Killing 'syz-executor3' (2949) (tgid 2945), adj 1000, [ 42.207273] to free 972kB on behalf of 'kswapd0' (28) because [ 42.207273] cache 51892kB is below limit 65536kB for oom_score_adj 12 [ 42.207273] Free memory is -5144kB above reserved [ 42.241217] lowmemorykiller: Killing 'syz-executor3' (2949) (tgid 2945), adj 1000, [ 42.241217] to free 972kB on behalf of 'syz-executor2' (3024) because [ 42.241217] cache 50412kB is below limit 65536kB for oom_score_adj 12 [ 42.241217] Free memory is -8528kB above reserved [ 42.271687] lowmemorykiller: Killing 'syz-executor3' (2949) (tgid 2945), adj 1000, [ 42.271687] to free 972kB on behalf of 'syz-executor3' (3002) because [ 42.271687] cache 50292kB is below limit 65536kB for oom_score_adj 12 [ 42.271687] Free memory is -8376kB above reserved [ 42.275819] lowmemorykiller: Killing 'syz-executor3' (2949) (tgid 2945), adj 1000, [ 42.275819] to free 972kB on behalf of 'syz-executor0' (3011) because [ 42.275819] cache 50292kB is below limit 65536kB for oom_score_adj 12 [ 42.275819] Free memory is -9492kB above reserved [ 42.521001] vmalloc: allocation failure, allocated 1510649856 of 4294057984 bytes [ 42.557039] syz-executor5: page allocation failure: order:0, mode:0x2280020 [ 42.564186] CPU: 0 PID: 2999 Comm: syz-executor5 Not tainted 4.4.171+ #11 [ 42.571108] 0000000000000000 84d6fa0eebefb755 ffff880198ac7248 ffffffff81aaca21 [ 42.579186] 1ffff10033158e4c ffff8800baa00000[ 42.582172] vmalloc: allocation failure, allocated 6488064 of 8392704 bytes [ 42.582176] syz-executor5: page allocation failure: order:0, mode:0x24080c2 [ 42.583983] vmalloc: allocation failure, allocated 340086784 of 4294057984 bytes [ 42.583987] syz-executor0: page allocation failure: order:0, mode:0x24000c2 [ 42.591406] syz-executor3: page allocation failure: order:0, mode:0x24000c2 [ 42.619730] 0000000002280020 0000000000000000 [ 42.624870] 0000000000000000 ffff880198ac7358 ffffffff8148bb98 ffff880100000000 [ 42.632991] Call Trace: [ 42.635591] [] dump_stack+0xc1/0x120 [ 42.640969] [] warn_alloc_failed.cold+0x78/0x99 [ 42.647281] [] ? zone_watermark_ok_safe+0x290/0x290 [ 42.653943] [] __alloc_pages_nodemask+0xef5/0x14b0 [ 42.660514] [] ? __alloc_pages_direct_compact+0x220/0x220 [ 42.667708] [] ? shrink_lruvec+0xf0c/0x1560 [ 42.673680] [] ? shrink_active_list+0x850/0x850 [ 42.679990] [] new_slab+0x2e5/0x380 [ 42.685259] [] ___slab_alloc.constprop.0+0x323/0x3e0 [ 42.692006] [] ? wb_start_writeback+0x8e/0x470 [ 42.698248] [] ? trace_hardirqs_on+0x10/0x10 [ 42.704298] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 42.711214] [] ? check_preemption_disabled+0x3c/0x200 [ 42.718053] [] ? wb_start_writeback+0x8e/0x470 [ 42.724276] [] __slab_alloc.isra.0.constprop.0+0x50/0xa0 [ 42.731374] [] ? wb_start_writeback+0x8e/0x470 [ 42.737614] [] kmem_cache_alloc_trace+0x229/0x2d0 [ 42.744121] [] wb_start_writeback+0x8e/0x470 [ 42.750168] [] wakeup_flusher_threads+0x163/0x320 [ 42.756647] [] ? wakeup_flusher_threads+0x25/0x320 [ 42.763216] [] try_to_free_pages+0xb1d/0x1260 [ 42.769355] [] ? shrink_zone+0x610/0x610 [ 42.775060] [] __alloc_pages_nodemask+0x8af/0x14b0 [ 42.781641] [] ? finish_task_switch+0x1b3/0x660 [ 42.787992] [] ? __schedule+0x7a3/0x1ee0 [ 42.793714] [] ? __alloc_pages_direct_compact+0x220/0x220 [ 42.800895] [] ? retint_kernel+0x2d/0x2d [ 42.806601] [] __vmalloc_node_range+0x25b/0x650 [ 42.812911] [] ? xt_alloc_table_info+0xc8/0x100 [ 42.819224] [] vmalloc+0x5c/0x70 [ 42.824230] [] ? xt_alloc_table_info+0xc8/0x100 [ 42.830538] [] xt_alloc_table_info+0xc8/0x100 [ 42.836682] [] do_replace.isra.0+0x100/0x470 [ 42.842784] [] ? __mutex_unlock_slowpath+0x2a5/0x530 [ 42.849525] [] ? compat_do_replace.isra.0+0x540/0x540 [ 42.856357] [] ? __mutex_unlock_slowpath+0x25d/0x530 [ 42.863126] [] ? ns_capable_common+0x12c/0x160 [ 42.869383] [] do_arpt_set_ctl+0x102/0x150 [ 42.875263] [] nf_setsockopt+0x6d/0xc0 [ 42.880790] [] ip_setsockopt+0x8a/0xa0 [ 42.886316] [] tcp_setsockopt+0x8a/0xe0 [ 42.891937] [] sock_common_setsockopt+0x9a/0xe0 [ 42.898250] [] SyS_setsockopt+0x159/0x240 [ 42.904057] [] ? SyS_recv+0x40/0x40 [ 42.909328] [] ? SyS_clock_gettime+0x118/0x1e0 [ 42.915593] [] ? lockdep_sys_exit_thunk+0x12/0x14 [ 42.922116] [] entry_SYSCALL_64_fastpath+0x1e/0x9a [ 42.928681] Mem-Info: [ 42.928689] CPU: 1 PID: 3011 Comm: syz-executor0 Not tainted 4.4.171+ #11 [ 42.928703] 0000000000000000 6680f5333c3952ea ffff88018b36f9f0 ffffffff81aaca21 [ 42.928711] 1ffff1003166df41 dffffc0000000000 00000000024000c2 0000000000000000 [ 42.928720] ffffffff82895020 ffff88018b36fb00 ffffffff8148bb98 ffffffff00000000 [ 42.928721] Call Trace: [ 42.928734] [] dump_stack+0xc1/0x120 [ 42.928745] [] warn_alloc_failed.cold+0x78/0x99 [ 42.928760] [] ? zone_watermark_ok_safe+0x290/0x290 [ 42.928770] [] __vmalloc_node_range+0x408/0x650 [ 42.928780] [] ? xt_alloc_table_info+0xc8/0x100 [ 42.928786] [] vmalloc+0x5c/0x70 [ 42.928793] [] ? xt_alloc_table_info+0xc8/0x100 [ 42.928800] [] xt_alloc_table_info+0xc8/0x100 [ 42.928809] [] do_replace.isra.0+0x100/0x470 [ 42.928818] [] ? __mutex_unlock_slowpath+0x2a5/0x530 [ 42.928825] [] ? compat_do_replace.isra.0+0x540/0x540 [ 42.928853] [] ? __mutex_unlock_slowpath+0x25d/0x530 [ 42.928880] [] ? ns_capable_common+0x12c/0x160 [ 42.928887] [] do_arpt_set_ctl+0x102/0x150 [ 42.928897] [] nf_setsockopt+0x6d/0xc0 [ 42.928904] [] ip_setsockopt+0x8a/0xa0 [ 42.928912] [] tcp_setsockopt+0x8a/0xe0 [ 42.928920] [] sock_common_setsockopt+0x9a/0xe0 [ 42.928928] [] SyS_setsockopt+0x159/0x240 [ 42.928935] [] ? SyS_recv+0x40/0x40 [ 42.928944] [] ? SyS_clock_gettime+0x118/0x1e0 [ 42.928952] [] ? lockdep_sys_exit_thunk+0x12/0x14 [ 42.928960] [] entry_SYSCALL_64_fastpath+0x1e/0x9a [ 42.929179] CPU: 1 PID: 2949 Comm: syz-executor3 Not tainted 4.4.171+ #11 [ 42.929189] 0000000000000000 20b65473d92b4c3b ffff8801d974f9f0 ffffffff81aaca21 [ 42.929198] 1ffff1003b2e9f41 dffffc0000000000 00000000024000c2 0000000000000000 [ 42.929206] ffffffff82895020 ffff8801d974fb00 ffffffff8148bb98 0000000000000000 [ 42.929209] Call Trace: [ 42.929217] [] dump_stack+0xc1/0x120 [ 42.929225] [] warn_alloc_failed.cold+0x78/0x99 [ 42.929238] [] ? zone_watermark_ok_safe+0x290/0x290 [ 42.929246] [] __vmalloc_node_range+0x408/0x650 [ 42.929253] [] ? xt_alloc_table_info+0xc8/0x100 [ 42.929260] [] vmalloc+0x5c/0x70 [ 42.929267] [] ? xt_alloc_table_info+0xc8/0x100 [ 42.929274] [] xt_alloc_table_info+0xc8/0x100 [ 42.929281] [] do_replace.isra.0+0x100/0x470 [ 42.929289] [] ? __mutex_unlock_slowpath+0x2a5/0x530 [ 42.929296] [] ? compat_do_replace.isra.0+0x540/0x540 [ 42.929305] [] ? __mutex_unlock_slowpath+0x25d/0x530 [ 42.929314] [] ? ns_capable_common+0x12c/0x160 [ 42.929321] [] do_arpt_set_ctl+0x102/0x150 [ 42.929328] [] nf_setsockopt+0x6d/0xc0 [ 42.929334] [] ip_setsockopt+0x8a/0xa0 [ 42.929341] [] tcp_setsockopt+0x8a/0xe0 [ 42.929348] [] sock_common_setsockopt+0x9a/0xe0 [ 42.929355] [] SyS_setsockopt+0x159/0x240 [ 42.929363] [] ? SyS_recv+0x40/0x40 [ 42.929370] [] ? SyS_clock_gettime+0x118/0x1e0 [ 42.929378] [] ? lockdep_sys_exit_thunk+0x12/0x14 [ 42.929385] [] entry_SYSCALL_64_fastpath+0x1e/0x9a [ 42.929743] CPU: 1 PID: 3025 Comm: syz-executor5 Not tainted 4.4.171+ #11 [ 42.929753] 0000000000000000 7c1bf41f7758377b ffff880042f37958 ffffffff81aaca21 [ 42.929761] 1ffff100085e6f2e dffffc0000000000 00000000024080c2 0000000000000000 [ 42.929770] ffffffff82895020 ffff880042f37a68 ffffffff8148bb98 dffffc0000000000 [ 42.929771] Call Trace: [ 42.929780] [] dump_stack+0xc1/0x120 [ 42.929788] [] warn_alloc_failed.cold+0x78/0x99 [ 42.929795] [] ? zone_watermark_ok_safe+0x290/0x290 [ 42.929802] [] __vmalloc_node_range+0x408/0x650 [ 42.929810] [] ? xt_alloc_table_info+0xc8/0x100 [ 42.929817] [] __vmalloc_node_range+0x4b3/0x650 [ 42.929824] [] ? xt_alloc_table_info+0xc8/0x100 [ 42.929831] [] vmalloc+0x5c/0x70 [ 42.929838] [] ? xt_alloc_table_info+0xc8/0x100 [ 42.929844] [] xt_alloc_table_info+0xc8/0x100 [ 42.929858] [] do_replace.isra.0+0x100/0x470 [ 42.929866] [] ? __mutex_unlock_slowpath+0x2a5/0x530 [ 42.929873] [] ? compat_do_replace.isra.0+0x540/0x540 [ 42.929881] [] ? __mutex_unlock_slowpath+0x25d/0x530 [ 42.929889] [] ? ns_capable_common+0x12c/0x160 [ 42.929895] [] do_arpt_set_ctl+0x102/0x150 [ 42.929908] [] nf_setsockopt+0x6d/0xc0 [ 42.929914] [] ip_setsockopt+0x8a/0xa0 [ 42.929921] [] tcp_setsockopt+0x8a/0xe0 [ 42.929928] [] sock_common_setsockopt+0x9a/0xe0 [ 42.929935] [] SyS_setsockopt+0x159/0x240 [ 42.929942] [] ? SyS_recv+0x40/0x40 [ 42.929949] [] ? SyS_clock_gettime+0x118/0x1e0 [ 42.929957] [] ? lockdep_sys_exit_thunk+0x12/0x14 [ 42.929964] [] entry_SYSCALL_64_fastpath+0x1e/0x9a [ 42.929967] Mem-Info: [ 42.929985] active_anon:5256 inactive_anon:41 isolated_anon:0 [ 42.929985] active_file:2034 inactive_file:2294 isolated_file:0 [ 42.929985] unevictable:0 dirty:3124 writeback:0 unstable:0 [ 42.929985] slab_reclaimable:3702 slab_unreclaimable:58813 [ 42.929985] mapped:1993 shmem:48 pagetables:438 bounce:0 [ 42.929985] free:0 free_pcp:0 free_cma:0 [ 42.930011] DMA32 free:0kB min:4696kB low:5868kB high:7044kB active_anon:9188kB inactive_anon:32kB active_file:3808kB inactive_file:4404kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:3145324kB managed:3021780kB mlocked:0kB dirty:5872kB writeback:32kB mapped:3760kB shmem:40kB slab_reclaimable:6756kB slab_unreclaimable:109240kB kernel_stack:1984kB pagetables:776kB unstable:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:71016 all_unreclaimable? yes [ 42.930019] lowmem_reserve[]: 0 3504 3504 [ 42.930043] Normal free:0kB min:5580kB low:6972kB high:8368kB active_anon:11836kB inactive_anon:132kB active_file:4328kB inactive_file:4772kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:4718592kB managed:3588764kB mlocked:0kB dirty:6624kB writeback:0kB mapped:4212kB shmem:152kB slab_reclaimable:8052kB slab_unreclaimable:126012kB kernel_stack:2528kB pagetables:976kB unstable:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:76144 all_unreclaimable? yes [ 42.930049] lowmem_reserve[]: 0 0 0 [ 42.930197] DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB [ 42.930197] Mem-Info: [ 42.930213] active_anon:5256 inactive_anon:41 isolated_anon:0 [ 42.930213] active_file:2034 inactive_file:2294 isolated_file:0 [ 42.930213] unevictable:0 dirty:3124 writeback:0 unstable:0 [ 42.930213] slab_reclaimable:3702 slab_unreclaimable:58813 [ 42.930213] mapped:1993 shmem:48 pagetables:438 bounce:0 [ 42.930213] free:0 free_pcp:0 free_cma:0 [ 42.930600] DMA32 free:0kB min:4696kB low:5868kB high:7044kB active_anon:9188kB inactive_anon:32kB active_file:3808kB inactive_file:4404kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:3145324kB managed:3021780kB mlocked:0kB dirty:5872kB writeback:32kB mapped:3760kB shmem:40kB slab_reclaimable:6756kB slab_unreclaimable:109240kB kernel_stack:1984kB pagetables:776kB unstable:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:71016 all_unreclaimable? yes [ 42.930608] lowmem_reserve[]: 0 3504 3504 [ 42.930633] Normal free:0kB min:5580kB low:6972kB high:8368kB active_anon:11836kB inactive_anon:132kB active_file:4328kB inactive_file:4772kB unevictable:0kB isolated(anon):0kB isolated(file):128kB present:4718592kB managed:3588764kB mlocked:0kB dirty:6624kB writeback:0kB mapped:4212kB shmem:152kB slab_reclaimable:8052kB slab_unreclaimable:126012kB kernel_stack:2528kB pagetables:976kB unstable:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:76272 all_unreclaimable? yes [ 42.930639] lowmem_reserve[]: 0 0 0 [ 42.930666] DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 42.930692] Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 42.930694] 4480 total pagecache pages [ 42.930697] 0 pages in swap cache [ 42.930701] Swap cache stats: add 0, delete 0, find 0/0 [ 42.930703] Free swap = 0kB [ 42.930705] Total swap = 0kB [ 42.930707] 1965979 pages RAM [ 42.930724] 0 pages HighMem/MovableOnly [ 42.930726] 313343 pages reserved [ 42.931357] 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 42.931382] Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 42.931385] 4480 total pagecache pages [ 42.931387] 0 pages in swap cache [ 42.931391] Swap cache stats: add 0, delete 0, find 0/0 [ 42.931393] Free swap = 0kB [ 42.931394] Total swap = 0kB [ 42.931396] 1965979 pages RAM [ 42.931398] 0 pages HighMem/MovableOnly [ 42.931400] 313343 pages reserved [ 42.931919] Mem-Info: [ 42.931935] active_anon:5256 inactive_anon:41 isolated_anon:0 [ 42.931935] active_file:2034 inactive_file:2294 isolated_file:0 [ 42.931935] unevictable:0 dirty:3124 writeback:0 unstable:0 [ 42.931935] slab_reclaimable:3702 slab_unreclaimable:58813 [ 42.931935] mapped:1993 shmem:48 pagetables:438 bounce:0 [ 42.931935] free:0 free_pcp:0 free_cma:0 [ 42.931960] DMA32 free:0kB min:4696kB low:5868kB high:7044kB active_anon:9188kB inactive_anon:32kB active_file:3808kB inactive_file:4404kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:3145324kB managed:3021780kB mlocked:0kB dirty:5872kB writeback:32kB mapped:3760kB shmem:40kB slab_reclaimable:6756kB slab_unreclaimable:109240kB kernel_stack:1984kB pagetables:776kB unstable:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:71144 all_unreclaimable? yes [ 42.931968] lowmem_reserve[]: 0 3504 3504 [ 42.931992] Normal free:0kB min:5580kB low:6972kB high:8368kB active_anon:11836kB inactive_anon:132kB active_file:4328kB inactive_file:4772kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:4718592kB managed:3588764kB mlocked:0kB dirty:6624kB writeback:0kB mapped:4212kB shmem:152kB slab_reclaimable:8052kB slab_unreclaimable:126012kB kernel_stack:2528kB pagetables:976kB unstable:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:76272 all_unreclaimable? yes [ 42.931999] lowmem_reserve[]: 0 0 0 [ 42.932026] DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 42.932052] Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 42.932054] 4480 total pagecache pages [ 42.932056] 0 pages in swap cache [ 42.932060] Swap cache stats: add 0, delete 0, find 0/0 [ 42.932062] Free swap = 0kB [ 42.932064] Total swap = 0kB [ 42.932066] 1965979 pages RAM [ 42.932068] 0 pages HighMem/MovableOnly [ 42.932070] 313343 pages reserved [ 44.004749] active_anon:5256 inactive_anon:41 isolated_anon:0 [ 44.004749] active_file:2034 inactive_file:2294 isolated_file:32 [ 44.004749] unevictable:0 dirty:3124 writeback:0 unstable:0 [ 44.004749] slab_reclaimable:3702 slab_unreclaimable:58813 [ 44.004749] mapped:1993 shmem:48 pagetables:438 bounce:0 [ 44.004749] free:1209 free_pcp:348 free_cma:0 [ 44.037758] DMA32 free:2676kB min:4696kB low:5868kB high:7044kB active_anon:9188kB inactive_anon:32kB active_file:3808kB inactive_file:4404kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:3145324kB managed:3021780kB mlocked:0kB dirty:5872kB writeback:32kB mapped:3760kB shmem:40kB slab_reclaimable:6756kB slab_unreclaimable:109240kB kernel_stack:1984kB pagetables:776kB unstable:0kB bounce:0kB free_pcp:740kB local_pcp:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:256 all_unreclaimable? no [ 44.082521] lowmem_reserve[]: 0 3504 3504 [ 44.087212] Normal free:2160kB min:5580kB low:6972kB high:8368kB active_anon:11836kB inactive_anon:132kB active_file:4328kB inactive_file:4772kB unevictable:0kB isolated(anon):0kB isolated(file):128kB present:4718592kB managed:3588764kB mlocked:0kB dirty:6624kB writeback:0kB mapped:4212kB shmem:152kB slab_reclaimable:8052kB slab_unreclaimable:126012kB kernel_stack:2528kB pagetables:976kB unstable:0kB bounce:0kB free_pcp:652kB local_pcp:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:304 all_unreclaimable? no [ 44.132400] lowmem_reserve[]: 0 0 0 [ 44.136547] DMA32: 56*4kB (U) 21*8kB (U) 22*16kB (U) 16*32kB (U) 17*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 2728kB [ 44.152370] Normal: 68*4kB (U) 27*8kB (U) 22*16kB (U) 21*32kB (U) 11*64kB (U) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 2216kB [ 44.167213] 4480 total pagecache pages [ 44.171079] 0 pages in swap cache [ 44.174523] Swap cache stats: add 0, delete 0, find 0/0 [ 44.179863] Free swap = 0kB [ 44.182879] Total swap = 0kB [ 44.185876] 1965979 pages RAM [ 44.188957] 0 pages HighMem/MovableOnly [ 44.193026] 313343 pages reserved [ 44.196600] SLUB: Unable to allocate memory on node -1 (gfp=0x2088020) [ 44.203253] cache: kmalloc-64, object size: 64, buffer size: 96, default order: 0, min order: 0 [ 44.212244] node 0: slabs: 470, objs: 19740, free: 0 [ 44.220281] lowmemorykiller: Killing 'syz-executor3' (2949) (tgid 2945), adj 1000, [ 44.220281] to free 912kB on behalf of 'syz-executor0' (2975) because [ 44.220281] cache 17728kB is below limit 65536kB for oom_score_adj 12 [ 44.220281] Free memory is -23292kB above reserved [ 44.237105] lowmemorykiller: Killing 'syz-executor3' (2949) (tgid 2945), adj 1000, [ 44.237105] to free 912kB on behalf of 'syz-executor4' (3005) because [ 44.237105] cache 17728kB is below limit 65536kB for oom_score_adj 12 [ 44.237105] Free memory is -23292kB above reserved [ 44.464319] vmalloc: allocation failure, allocated 66719744 of 4294057984 bytes [ 44.470738] syz-executor1: page allocation failure: order:0, mode:0x2280020 [ 44.470746] CPU: 0 PID: 3031 Comm: syz-executor1 Not tainted 4.4.171+ #11 [ 44.470772] 0000000000000000 21649f80dd0e5d8d ffff880133a971b8 ffffffff81aaca21 [ 44.470780] 1ffff10026752e3a ffff8800babf2f80 0000000002280020 0000000000000000 [ 44.470788] 0000000000000000 ffff880133a972c8 ffffffff8148bb98 ffff880100000000 [ 44.470790] Call Trace: [ 44.470807] [] dump_stack+0xc1/0x120 [ 44.470817] [] warn_alloc_failed.cold+0x78/0x99 [ 44.470827] [] ? zone_watermark_ok_safe+0x290/0x290 [ 44.470849] [] __alloc_pages_nodemask+0xef5/0x14b0 [ 44.470856] [] ? wb_over_bg_thresh+0x310/0x310 [ 44.470878] [] ? __alloc_pages_direct_compact+0x220/0x220 [ 44.470885] [] ? shrink_lruvec+0xf0c/0x1560 [ 44.470893] [] ? shrink_active_list+0x850/0x850 [ 44.470901] [] new_slab+0x2e5/0x380 [ 44.470908] [] ___slab_alloc.constprop.0+0x323/0x3e0 [ 44.470915] [] ? wb_start_writeback+0x8e/0x470 [ 44.470924] [] ? trace_hardirqs_on+0x10/0x10 [ 44.470930] [] ? mark_held_locks+0xb1/0x100 [ 44.470936] [] ? trace_hardirqs_on+0xd/0x10 [ 44.470960] [] ? mod_delayed_work_on+0xe5/0x140 [ 44.470969] [] ? check_preemption_disabled+0x3c/0x200 [ 44.470975] [] ? wb_start_writeback+0x8e/0x470 [ 44.470982] [] __slab_alloc.isra.0.constprop.0+0x50/0xa0 [ 44.470988] [] ? wb_start_writeback+0x8e/0x470 [ 44.470995] [] kmem_cache_alloc_trace+0x229/0x2d0 [ 44.471001] [] wb_start_writeback+0x8e/0x470 [ 44.471007] [] wakeup_flusher_threads+0x163/0x320 [ 44.471014] [] ? wakeup_flusher_threads+0x25/0x320 [ 44.471020] [] try_to_free_pages+0xb1d/0x1260 [ 44.471027] [] ? shrink_zone+0x610/0x610 [ 44.471034] [] __alloc_pages_nodemask+0x8af/0x14b0 [ 44.471043] [] ? __schedule+0x7a3/0x1ee0 [ 44.471051] [] ? __alloc_pages_direct_compact+0x220/0x220 [ 44.471074] [] __vmalloc_node_range+0x25b/0x650 [ 44.471084] [] ? xt_alloc_table_info+0xc8/0x100 [ 44.471100] [] __vmalloc_node_range+0x4b3/0x650 [ 44.471107] [] ? xt_alloc_table_info+0xc8/0x100 [ 44.471113] [] vmalloc+0x5c/0x70 [ 44.471120] [] ? xt_alloc_table_info+0xc8/0x100 [ 44.471127] [] xt_alloc_table_info+0xc8/0x100 [ 44.471135] [] do_replace.isra.0+0x100/0x470 [ 44.471143] [] ? __mutex_unlock_slowpath+0x2a5/0x530 [ 44.471165] [] ? compat_do_replace.isra.0+0x540/0x540 [ 44.471172] [] ? __mutex_unlock_slowpath+0x25d/0x530 [ 44.471181] [] ? ns_capable_common+0x12c/0x160 [ 44.471188] [] do_arpt_set_ctl+0x102/0x150 [ 44.471196] [] nf_setsockopt+0x6d/0xc0 [ 44.471204] [] ip_setsockopt+0x8a/0xa0 [ 44.471211] [] tcp_setsockopt+0x8a/0xe0 [ 44.471219] [] sock_common_setsockopt+0x9a/0xe0 [ 44.471227] [] SyS_setsockopt+0x159/0x240 [ 44.471234] [] ? SyS_recv+0x40/0x40 [ 44.471243] [] ? SyS_clock_gettime+0x118/0x1e0 [ 44.471253] [] ? lockdep_sys_exit_thunk+0x12/0x14 [ 44.471261] [] entry_SYSCALL_64_fastpath+0x1e/0x9a [ 44.471263] Mem-Info: [ 44.471279] active_anon:5064 inactive_anon:41 isolated_anon:0 [ 44.471279] active_file:2002 inactive_file:2237 isolated_file:96 [ 44.471279] unevictable:0 dirty:3093 writeback:0 unstable:0 [ 44.471279] slab_reclaimable:3702 slab_unreclaimable:58579 [ 44.471279] mapped:1959 shmem:48 pagetables:389 bounce:0 [ 44.471279] free:0 free_pcp:0 free_cma:0 [ 44.471304] DMA32 free:0kB min:4696kB low:5868kB high:7044kB active_anon:8808kB inactive_anon:32kB active_file:3808kB inactive_file:4228kB unevictable:0kB isolated(anon):0kB isolated(file):256kB present:3145324kB managed:3021780kB mlocked:0kB dirty:5804kB writeback:0kB mapped:3740kB shmem:40kB slab_reclaimable:6756kB slab_unreclaimable:108868kB kernel_stack:1984kB pagetables:608kB unstable:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:8568 all_unreclaimable? no [ 44.471310] lowmem_reserve[]: 0 3504 3504 [ 44.471333] Normal free:0kB min:5580kB low:6972kB high:8368kB active_anon:11448kB inactive_anon:132kB active_file:4200kB inactive_file:4720kB unevictable:0kB isolated(anon):0kB isolated(file):128kB present:4718592kB managed:3588764kB mlocked:0kB dirty:6568kB writeback:0kB mapped:4096kB shmem:152kB slab_reclaimable:8052kB slab_unreclaimable:125448kB kernel_stack:2528kB pagetables:948kB unstable:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:9684 all_unreclaimable? no [ 44.471339] lowmem_reserve[]: 0 0 0 [ 44.471368] DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 44.471391] Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 44.471393] 4437 total pagecache pages [ 44.471396] 0 pages in swap cache [ 44.471399] Swap cache stats: add 0, delete 0, find 0/0 [ 44.471401] Free swap = 0kB [ 44.471403] Total swap = 0kB [ 44.471405] 1965979 pages RAM [ 44.471407] 0 pages HighMem/MovableOnly [ 44.471408] 313343 pages reserved [ 44.471413] SLUB: Unable to allocate memory on node -1 (gfp=0x2088020) [ 44.471418] cache: kmalloc-64, object size: 64, buffer size: 96, default order: 0, min order: 0 [ 44.471423] node 0: slabs: 478, objs: 20076, free: 0 [ 44.471509] syz-executor1: page allocation failure: order:0, mode:0x2280020 [ 44.471515] CPU: 0 PID: 3031 Comm: syz-executor1 Not tainted 4.4.171+ #11 [ 44.471523] 0000000000000000 21649f80dd0e5d8d ffff880133a971b8 ffffffff81aaca21 [ 44.471531] 1ffff10026752e3a ffff8800babf2f80 0000000002280020 0000000000000000 [ 44.471539] 0000000000000000 ffff880133a972c8 ffffffff8148bb98 ffff880100000000 [ 44.471540] Call Trace: [ 44.471548] [] dump_stack+0xc1/0x120 [ 44.471555] [] warn_alloc_failed.cold+0x78/0x99 [ 44.471563] [] ? zone_watermark_ok_safe+0x290/0x290 [ 44.471570] [] __alloc_pages_nodemask+0xef5/0x14b0 [ 44.471577] [] ? wb_over_bg_thresh+0x310/0x310 [ 44.471584] [] ? __alloc_pages_direct_compact+0x220/0x220 [ 44.471589] [] ? shrink_lruvec+0xf0c/0x1560 [ 44.471597] [] ? shrink_active_list+0x850/0x850 [ 44.471603] [] new_slab+0x2e5/0x380 [ 44.471609] [] ___slab_alloc.constprop.0+0x323/0x3e0 [ 44.471615] [] ? wb_start_writeback+0x8e/0x470 [ 44.471621] [] ? trace_hardirqs_on+0x10/0x10 [ 44.471627] [] ? trace_hardirqs_on+0xd/0x10 [ 44.471648] [] ? check_preemption_disabled+0x3c/0x200 [ 44.471654] [] ? wb_start_writeback+0x8e/0x470 [ 44.471661] [] __slab_alloc.isra.0.constprop.0+0x50/0xa0 [ 44.471667] [] ? wb_start_writeback+0x8e/0x470 [ 44.471673] [] kmem_cache_alloc_trace+0x229/0x2d0 [ 44.471679] [] wb_start_writeback+0x8e/0x470 [ 44.471686] [] wakeup_flusher_threads+0x163/0x320 [ 44.471692] [] ? wakeup_flusher_threads+0x25/0x320 [ 44.471698] [] try_to_free_pages+0xb1d/0x1260 [ 44.471704] [] ? shrink_zone+0x610/0x610 [ 44.471711] [] __alloc_pages_nodemask+0x8af/0x14b0 [ 44.471733] [] ? __schedule+0x7a3/0x1ee0 [ 44.471757] [] ? __alloc_pages_direct_compact+0x220/0x220 [ 44.471765] [] __vmalloc_node_range+0x25b/0x650 [ 44.471773] [] ? xt_alloc_table_info+0xc8/0x100 [ 44.471795] [] __vmalloc_node_range+0x4b3/0x650 [ 44.471801] [] ? xt_alloc_table_info+0xc8/0x100 [ 44.471822] [] vmalloc+0x5c/0x70 [ 44.471829] [] ? xt_alloc_table_info+0xc8/0x100 [ 44.471835] [] xt_alloc_table_info+0xc8/0x100 [ 44.471842] [] do_replace.isra.0+0x100/0x470 [ 44.471850] [] ? __mutex_unlock_slowpath+0x2a5/0x530 [ 44.471856] [] ? compat_do_replace.isra.0+0x540/0x540 [ 44.471864] [] ? __mutex_unlock_slowpath+0x25d/0x530 [ 44.471871] [] ? ns_capable_common+0x12c/0x160 [ 44.471877] [] do_arpt_set_ctl+0x102/0x150 [ 44.471883] [] nf_setsockopt+0x6d/0xc0 [ 44.471889] [] ip_setsockopt+0x8a/0xa0 [ 44.471896] [] tcp_setsockopt+0x8a/0xe0 [ 44.471903] [] sock_common_setsockopt+0x9a/0xe0 [ 44.471912] [] SyS_setsockopt+0x159/0x240 [ 44.471919] [] ? SyS_recv+0x40/0x40 [ 44.471927] [] ? SyS_clock_gettime+0x118/0x1e0 [ 44.471936] [] ? lockdep_sys_exit_thunk+0x12/0x14 [ 44.471943] [] entry_SYSCALL_64_fastpath+0x1e/0x9a [ 44.471946] Mem-Info: [ 44.471963] active_anon:5064 inactive_anon:41 isolated_anon:0 [ 44.471963] active_file:2002 inactive_file:2237 isolated_file:96 [ 44.471963] unevictable:0 dirty:3093 writeback:0 unstable:0 [ 44.471963] slab_reclaimable:3702 slab_unreclaimable:58579 [ 44.471963] mapped:1959 shmem:48 pagetables:389 bounce:0 [ 44.471963] free:0 free_pcp:0 free_cma:0 [ 44.471991] DMA32 free:0kB min:4696kB low:5868kB high:7044kB active_anon:8808kB inactive_anon:32kB active_file:3808kB inactive_file:4228kB unevictable:0kB isolated(anon):0kB isolated(file):256kB present:3145324kB managed:3021780kB mlocked:0kB dirty:5804kB writeback:0kB mapped:3740kB shmem:40kB slab_reclaimable:6756kB slab_unreclaimable:108868kB kernel_stack:1984kB pagetables:608kB unstable:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:8568 all_unreclaimable? no [ 44.471999] lowmem_reserve[]: 0 3504 3504 [ 44.472025] Normal free:0kB min:5580kB low:6972kB high:8368kB active_anon:11448kB inactive_anon:132kB active_file:4200kB inactive_file:4720kB unevictable:0kB isolated(anon):0kB isolated(file):128kB present:4718592kB managed:3588764kB mlocked:0kB dirty:6568kB writeback:0kB mapped:4096kB shmem:152kB slab_reclaimable:8052kB slab_unreclaimable:125448kB kernel_stack:2528kB pagetables:948kB unstable:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:9684 all_unreclaimable? no [ 44.472032] lowmem_reserve[]: 0 0 0 [ 44.472079] DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 44.472113] Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 44.472115] 4437 total pagecache pages [ 44.472117] 0 pages in swap cache [ 44.472121] Swap cache stats: add 0, delete 0, find 0/0 [ 44.472122] Free swap = 0kB [ 44.472124] Total swap = 0kB [ 44.472126] 1965979 pages RAM [ 44.472128] 0 pages HighMem/MovableOnly [ 44.472130] 313343 pages reserved [ 44.472135] SLUB: Unable to allocate memory on node -1 (gfp=0x2088020) [ 44.472140] cache: kmalloc-64, object size: 64, buffer size: 96, default order: 0, min order: 0 [ 44.472145] node 0: slabs: 478, objs: 20076, free: 0 [ 44.472292] syz-executor1: page allocation failure: order:0, mode:0x2280020 [ 44.472298] CPU: 0 PID: 3031 Comm: syz-executor1 Not tainted 4.4.171+ #11 [ 44.472307] 0000000000000000 21649f80dd0e5d8d ffff880133a971b8 ffffffff81aaca21 [ 44.472315] 1ffff10026752e3a ffff8800babf2f80 0000000002280020 0000000000000000 [ 44.472324] 0000000000000000 ffff880133a972c8 ffffffff8148bb98 ffff880100000000 [ 44.472325] Call Trace: [ 44.472333] [] dump_stack+0xc1/0x120 [ 44.472341] [] warn_alloc_failed.cold+0x78/0x99 [ 44.472354] [] ? zone_watermark_ok_safe+0x290/0x290 [ 44.472363] [] __alloc_pages_nodemask+0xef5/0x14b0 [ 44.472370] [] ? wb_over_bg_thresh+0x310/0x310 [ 44.472378] [] ? __alloc_pages_direct_compact+0x220/0x220 [ 44.472399] [] ? shrink_lruvec+0xf0c/0x1560 [ 44.472408] [] ? shrink_active_list+0x850/0x850 [ 44.472414] [] new_slab+0x2e5/0x380 [ 44.472421] [] ___slab_alloc.constprop.0+0x323/0x3e0 [ 44.472428] [] ? wb_start_writeback+0x8e/0x470 [ 44.472435] [] ? trace_hardirqs_on+0x10/0x10 [ 44.472442] [] ? trace_hardirqs_on+0xd/0x10 [ 44.472448] [] ? check_preemption_disabled+0x3c/0x200 [ 44.472455] [] ? wb_start_writeback+0x8e/0x470 [ 44.472477] [] __slab_alloc.isra.0.constprop.0+0x50/0xa0 [ 44.472483] [] ? wb_start_writeback+0x8e/0x470 [ 44.472490] [] kmem_cache_alloc_trace+0x229/0x2d0 [ 44.472496] [] wb_start_writeback+0x8e/0x470 [ 44.472503] [] wakeup_flusher_threads+0x163/0x320 [ 44.472509] [] ? wakeup_flusher_threads+0x25/0x320 [ 44.472515] [] try_to_free_pages+0xb1d/0x1260 [ 44.472522] [] ? shrink_zone+0x610/0x610 [ 44.472529] [] __alloc_pages_nodemask+0x8af/0x14b0 [ 44.472536] [] ? __schedule+0x7a3/0x1ee0 [ 44.472544] [] ? __alloc_pages_direct_compact+0x220/0x220 [ 44.472552] [] __vmalloc_node_range+0x25b/0x650 [ 44.472559] [] ? xt_alloc_table_info+0xc8/0x100 [ 44.472566] [] __vmalloc_node_range+0x4b3/0x650 [ 44.472573] [] ? xt_alloc_table_info+0xc8/0x100 [ 44.472580] [] vmalloc+0x5c/0x70 [ 44.472586] [] ? xt_alloc_table_info+0xc8/0x100 [ 44.472593] [] xt_alloc_table_info+0xc8/0x100 [ 44.472600] [] do_replace.isra.0+0x100/0x470 [ 44.472607] [] ? __mutex_unlock_slowpath+0x2a5/0x530 [ 44.472614] [] ? compat_do_replace.isra.0+0x540/0x540 [ 44.472622] [] ? __mutex_unlock_slowpath+0x25d/0x530 [ 44.472631] [] ? ns_capable_common+0x12c/0x160 [ 44.472637] [] do_arpt_set_ctl+0x102/0x150 [ 44.472644] [] nf_setsockopt+0x6d/0xc0 [ 44.472650] [] ip_setsockopt+0x8a/0xa0 [ 44.472657] [] tcp_setsockopt+0x8a/0xe0 [ 44.472664] [] sock_common_setsockopt+0x9a/0xe0 [ 44.472671] [] SyS_setsockopt+0x159/0x240 [ 44.472678] [] ? SyS_recv+0x40/0x40 [ 44.472685] [] ? SyS_clock_gettime+0x118/0x1e0 [ 44.472693] [] ? lockdep_sys_exit_thunk+0x12/0x14 [ 44.472701] [] entry_SYSCALL_64_fastpath+0x1e/0x9a [ 44.472703] Mem-Info: [ 44.472733] active_anon:5064 inactive_anon:41 isolated_anon:0 [ 44.472733] active_file:2002 inactive_file:2237 isolated_file:96 [ 44.472733] unevictable:0 dirty:3093 writeback:0 unstable:0 [ 44.472733] slab_reclaimable:3702 slab_unreclaimable:58579 [ 44.472733] mapped:1959 shmem:48 pagetables:389 bounce:0 [ 44.472733] free:0 free_pcp:0 free_cma:0 [ 44.472756] DMA32 free:0kB min:4696kB low:5868kB high:7044kB active_anon:8808kB inactive_anon:32kB active_file:3808kB inactive_file:4228kB unevictable:0kB isolated(anon):0kB isolated(file):256kB present:3145324kB managed:3021780kB mlocked:0kB dirty:5804kB writeback:0kB mapped:3740kB shmem:40kB slab_reclaimable:6756kB slab_unreclaimable:108868kB kernel_stack:1984kB pagetables:608kB unstable:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:8684 all_unreclaimable? no [ 44.472763] lowmem_reserve[]: 0 3504 3504 [ 44.472786] Normal free:0kB min:5580kB low:6972kB high:8368kB active_anon:11448kB inactive_anon:132kB active_file:4200kB inactive_file:4720kB unevictable:0kB isolated(anon):0kB isolated(file):128kB present:4718592kB managed:3588764kB mlocked:0kB dirty:6568kB writeback:0kB mapped:4096kB shmem:152kB slab_reclaimable:8052kB slab_unreclaimable:125448kB kernel_stack:2528kB pagetables:948kB unstable:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:9824 all_unreclaimable? no [ 44.472792] lowmem_reserve[]: 0 0 0 [ 44.472816] DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 44.472840] Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 44.472842] 4437 total pagecache pages [ 44.472844] 0 pages in swap cache [ 44.472847] Swap cache stats: add 0, delete 0, find 0/0 [ 44.472849] Free swap = 0kB [ 44.472850] Total swap = 0kB [ 44.472852] 1965979 pages RAM [ 44.472854] 0 pages HighMem/MovableOnly [ 44.472856] 313343 pages reserved [ 44.472860] SLUB: Unable to allocate memory on node -1 (gfp=0x2088020) [ 44.472865] cache: kmalloc-64, object size: 64, buffer size: 96, default order: 0, min order: 0 [ 44.472869] node 0: slabs: 478, objs: 20076, free: 0 [ 44.473046] syz-executor1: page allocation failure: order:0, mode:0x2280020 [ 44.473052] CPU: 0 PID: 3031 Comm: syz-executor1 Not tainted 4.4.171+ #11 [ 44.473060] 0000000000000000 21649f80dd0e5d8d ffff880133a971b8 ffffffff81aaca21 [ 44.473068] 1ffff10026752e3a ffff8800babf2f80 0000000002280020 0000000000000000 [ 44.473077] 0000000000000000 ffff880133a972c8 ffffffff8148bb98 ffff880100000000 [ 44.473078] Call Trace: [ 44.473085] [] dump_stack+0xc1/0x120 [ 44.473102] [] warn_alloc_failed.cold+0x78/0x99 [ 44.473109] [] ? zone_watermark_ok_safe+0x290/0x290 [ 44.473117] [] __alloc_pages_nodemask+0xef5/0x14b0 [ 44.473124] [] ? wb_over_bg_thresh+0x310/0x310 [ 44.473131] [] ? __alloc_pages_direct_compact+0x220/0x220 [ 44.473137] [] ? shrink_lruvec+0xf0c/0x1560 [ 44.473145] [] ? shrink_active_list+0x850/0x850 [ 44.473151] [] new_slab+0x2e5/0x380 [ 44.473158] [] ___slab_alloc.constprop.0+0x323/0x3e0 [ 44.473164] [] ? wb_start_writeback+0x8e/0x470 [ 44.473170] [] ? trace_hardirqs_on+0x10/0x10 [ 44.473176] [] ? trace_hardirqs_on+0xd/0x10 [ 44.473183] [] ? check_preemption_disabled+0x3c/0x200 [ 44.473189] [] ? wb_start_writeback+0x8e/0x470 [ 44.473195] [] __slab_alloc.isra.0.constprop.0+0x50/0xa0 [ 44.473201] [] ? wb_start_writeback+0x8e/0x470 [ 44.473207] [] kmem_cache_alloc_trace+0x229/0x2d0 [ 44.473214] [] wb_start_writeback+0x8e/0x470 [ 44.473220] [] wakeup_flusher_threads+0x163/0x320 [ 44.473226] [] ? wakeup_flusher_threads+0x25/0x320 [ 44.473232] [] try_to_free_pages+0xb1d/0x1260 [ 44.473239] [] ? shrink_zone+0x610/0x610 [ 44.473246] [] __alloc_pages_nodemask+0x8af/0x14b0 [ 44.473253] [] ? __schedule+0x7a3/0x1ee0 [ 44.473260] [] ? __alloc_pages_direct_compact+0x220/0x220 [ 44.473268] [] __vmalloc_node_range+0x25b/0x650 [ 44.473275] [] ? xt_alloc_table_info+0xc8/0x100 [ 44.473282] [] __vmalloc_node_range+0x4b3/0x650 [ 44.473289] [] ? xt_alloc_table_info+0xc8/0x100 [ 44.473295] [] vmalloc+0x5c/0x70 [ 44.473302] [] ? xt_alloc_table_info+0xc8/0x100 [ 44.473308] [] xt_alloc_table_info+0xc8/0x100 [ 44.473315] [] do_replace.isra.0+0x100/0x470 [ 44.473322] [] ? __mutex_unlock_slowpath+0x2a5/0x530 [ 44.473329] [] ? compat_do_replace.isra.0+0x540/0x540 [ 44.473336] [] ? __mutex_unlock_slowpath+0x25d/0x530 [ 44.473344] [] ? ns_capable_common+0x12c/0x160 [ 44.473356] [] do_arpt_set_ctl+0x102/0x150 [ 44.473364] [] nf_setsockopt+0x6d/0xc0 [ 44.473370] [] ip_setsockopt+0x8a/0xa0 [ 44.473376] [] tcp_setsockopt+0x8a/0xe0 [ 44.473382] [] sock_common_setsockopt+0x9a/0xe0 [ 44.473390] [] SyS_setsockopt+0x159/0x240 [ 44.473396] [] ? SyS_recv+0x40/0x40 [ 44.473403] [] ? SyS_clock_gettime+0x118/0x1e0 [ 44.473411] [] ? lockdep_sys_exit_thunk+0x12/0x14 [ 44.473418] [] entry_SYSCALL_64_fastpath+0x1e/0x9a [ 44.473420] Mem-Info: [ 44.473434] active_anon:5064 inactive_anon:41 isolated_anon:0 [ 44.473434] active_file:2002 inactive_file:2237 isolated_file:96 [ 44.473434] unevictable:0 dirty:3093 writeback:0 unstable:0 [ 44.473434] slab_reclaimable:3702 slab_unreclaimable:58579 [ 44.473434] mapped:1959 shmem:48 pagetables:389 bounce:0 [ 44.473434] free:0 free_pcp:0 free_cma:0 [ 44.473457] DMA32 free:0kB min:4696kB low:5868kB high:7044kB active_anon:8808kB inactive_anon:32kB active_file:3808kB inactive_file:4228kB unevictable:0kB isolated(anon):0kB isolated(file):256kB present:3145324kB managed:3021780kB mlocked:0kB dirty:5804kB writeback:0kB mapped:3740kB shmem:40kB slab_reclaimable:6756kB slab_unreclaimable:108868kB kernel_stack:1984kB pagetables:608kB unstable:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:8812 all_unreclaimable? no [ 44.473464] lowmem_reserve[]: 0 3504 3504 [ 44.473487] Normal free:0kB min:5580kB low:6972kB high:8368kB active_anon:11448kB inactive_anon:132kB active_file:4200kB inactive_file:4720kB unevictable:0kB isolated(anon):0kB isolated(file):128kB present:4718592kB managed:3588764kB mlocked:0kB dirty:6568kB writeback:0kB mapped:4096kB shmem:152kB slab_reclaimable:8052kB slab_unreclaimable:125448kB kernel_stack:2528kB pagetables:948kB unstable:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:9952 all_unreclaimable? no [ 44.473493] lowmem_reserve[]: 0 0 0 [ 44.473517] DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 44.473541] Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 44.473543] 4437 total pagecache pages [ 44.473544] 0 pages in swap cache [ 44.473548] Swap cache stats: add 0, delete 0, find 0/0 [ 44.473550] Free swap = 0kB [ 44.473552] Total swap = 0kB [ 44.473554] 1965979 pages RAM [ 44.473556] 0 pages HighMem/MovableOnly [ 44.473557] 313343 pages reserved [ 44.473562] SLUB: Unable to allocate memory on node -1 (gfp=0x2088020) [ 44.473566] cache: kmalloc-64, object size: 64, buffer size: 96, default order: 0, min order: 0 [ 44.473571] node 0: slabs: 478, objs: 20076, free: 0 [ 44.473866] syz-executor1: page allocation failure: order:0, mode:0x2280020 [ 44.473872] CPU: 0 PID: 3031 Comm: syz-executor1 Not tainted 4.4.171+ #11 [ 44.473881] 0000000000000000 21649f80dd0e5d8d ffff880133a971b8 ffffffff81aaca21 [ 44.473889] 1ffff10026752e3a ffff8800babf2f80 0000000002280020 0000000000000000 [ 44.473897] 0000000000000000 ffff880133a972c8 ffffffff8148bb98 ffff880100000000 [ 44.473899] Call Trace: [ 44.473906] [] dump_stack+0xc1/0x120 [ 44.473914] [] warn_alloc_failed.cold+0x78/0x99 [ 44.473920] [] ? zone_watermark_ok_safe+0x290/0x290 [ 44.473928] [] __alloc_pages_nodemask+0xef5/0x14b0 [ 44.473935] [] ? wb_over_bg_thresh+0x310/0x310 [ 44.473942] [] ? __alloc_pages_direct_compact+0x220/0x220 [ 44.473948] [] ? shrink_lruvec+0xf0c/0x1560 [ 44.473956] [] ? shrink_active_list+0x850/0x850 [ 44.473962] [] new_slab+0x2e5/0x380 [ 44.473968] [] ___slab_alloc.constprop.0+0x323/0x3e0 [ 44.473974] [] ? wb_start_writeback+0x8e/0x470 [ 44.473981] [] ? trace_hardirqs_on+0x10/0x10 [ 44.473987] [] ? trace_hardirqs_on+0xd/0x10 [ 44.473993] [] ? check_preemption_disabled+0x3c/0x200 [ 44.473999] [] ? wb_start_writeback+0x8e/0x470 [ 44.474006] [] __slab_alloc.isra.0.constprop.0+0x50/0xa0 [ 44.474012] [] ? wb_start_writeback+0x8e/0x470 [ 44.474018] [] kmem_cache_alloc_trace+0x229/0x2d0 [ 44.474024] [] wb_start_writeback+0x8e/0x470 [ 44.474030] [] wakeup_flusher_threads+0x163/0x320 [ 44.474036] [] ? wakeup_flusher_threads+0x25/0x320 [ 44.474042] [] try_to_free_pages+0xb1d/0x1260 [ 44.474049] [] ? shrink_zone+0x610/0x610 [ 44.474057] [] __alloc_pages_nodemask+0x8af/0x14b0 [ 44.474063] [] ? __schedule+0x7a3/0x1ee0 [ 44.474071] [] ? __alloc_pages_direct_compact+0x220/0x220 [ 44.474078] [] __vmalloc_node_range+0x25b/0x650 [ 44.474085] [] ? xt_alloc_table_info+0xc8/0x100 [ 44.474101] [] __vmalloc_node_range+0x4b3/0x650 [ 44.474107] [] ? xt_alloc_table_info+0xc8/0x100 [ 44.474114] [] vmalloc+0x5c/0x70 [ 44.474120] [] ? xt_alloc_table_info+0xc8/0x100 [ 44.474127] [] xt_alloc_table_info+0xc8/0x100 [ 44.474133] [] do_replace.isra.0+0x100/0x470 [ 44.474140] [] ? __mutex_unlock_slowpath+0x2a5/0x530 [ 44.474148] [] ? compat_do_replace.isra.0+0x540/0x540 [ 44.474155] [] ? __mutex_unlock_slowpath+0x25d/0x530 [ 44.474163] [] ? ns_capable_common+0x12c/0x160 [ 44.474169] [] do_arpt_set_ctl+0x102/0x150 [ 44.474176] [] nf_setsockopt+0x6d/0xc0 [ 44.474182] [] ip_setsockopt+0x8a/0xa0 [ 44.474189] [] tcp_setsockopt+0x8a/0xe0 [ 44.474195] [] sock_common_setsockopt+0x9a/0xe0 [ 44.474202] [] SyS_setsockopt+0x159/0x240 [ 44.474209] [] ? SyS_recv+0x40/0x40 [ 44.474216] [] ? SyS_clock_gettime+0x118/0x1e0 [ 44.474223] [] ? lockdep_sys_exit_thunk+0x12/0x14 [ 44.474230] [] entry_SYSCALL_64_fastpath+0x1e/0x9a [ 44.474232] Mem-Info: [ 44.474247] active_anon:5064 inactive_anon:41 isolated_anon:0 [ 44.474247] active_file:2002 inactive_file:2237 isolated_file:96 [ 44.474247] unevictable:0 dirty:3093 writeback:0 unstable:0 [ 44.474247] slab_reclaimable:3702 slab_unreclaimable:58579 [ 44.474247] mapped:1959 shmem:48 pagetables:389 bounce:0 [ 44.474247] free:0 free_pcp:0 free_cma:0 [ 44.474270] DMA32 free:0kB min:4696kB low:5868kB high:7044kB active_anon:8808kB inactive_anon:32kB active_file:3808kB inactive_file:4228kB unevictable:0kB isolated(anon):0kB isolated(file):256kB present:3145324kB managed:3021780kB mlocked:0kB dirty:5804kB writeback:0kB mapped:3740kB shmem:40kB slab_reclaimable:6756kB slab_unreclaimable:108868kB kernel_stack:1984kB pagetables:608kB unstable:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:9072 all_unreclaimable? no [ 44.474276] lowmem_reserve[]: 0 3504 3504 [ 44.474299] Normal free:0kB min:5580kB low:6972kB high:8368kB active_anon:11448kB inactive_anon:132kB active_file:4200kB inactive_file:4720kB unevictable:0kB isolated(anon):0kB isolated(file):128kB present:4718592kB managed:3588764kB mlocked:0kB dirty:6568kB writeback:0kB mapped:4096kB shmem:152kB slab_reclaimable:8052kB slab_unreclaimable:125448kB kernel_stack:2528kB pagetables:948kB unstable:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:10224 all_unreclaimable? no [ 44.474305] lowmem_reserve[]: 0 0 0 [ 44.474329] DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 44.474359] Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 44.474361] 4437 total pagecache pages [ 44.474363] 0 pages in swap cache [ 44.474367] Swap cache stats: add 0, delete 0, find 0/0 [ 44.474369] Free swap = 0kB [ 44.474371] Total swap = 0kB [ 44.474373] 1965979 pages RAM [ 44.474374] 0 pages HighMem/MovableOnly [ 44.474376] 313343 pages reserved [ 44.474381] SLUB: Unable to allocate memory on node -1 (gfp=0x2088020) [ 44.474385] cache: kmalloc-64, object size: 64, buffer size: 96, default order: 0, min order: 0 [ 44.474390] node 0: slabs: 478, objs: 20076, free: 0 [ 44.474976] SLUB: Unable to allocate memory on node -1 (gfp=0x2088020) [ 44.474981] cache: kmalloc-64, object size: 64, buffer size: 96, default order: 0, min order: 0 [ 44.474985] node 0: slabs: 478, objs: 20076, free: 0 [ 44.476154] SLUB: Unable to allocate memory on node -1 (gfp=0x2088020) [ 44.476159] cache: kmalloc-64, object size: 64, buffer size: 96, default order: 0, min order: 0 [ 44.476163] node 0: slabs: 478, objs: 20076, free: 0 [ 44.478412] SLUB: Unable to allocate memory on node -1 (gfp=0x2088020) [ 44.478417] cache: kmalloc-64, object size: 64, buffer size: 96, default order: 0, min order: 0 [ 44.478421] node 0: slabs: 478, objs: 20076, free: 0 [ 44.480838] SLUB: Unable to allocate memory on node -1 (gfp=0x2088020) [ 44.480843] cache: kmalloc-64, object size: 64, buffer size: 96, default order: 0, min order: 0 [ 44.480862] node 0: slabs: 478, objs: 20076, free: 0 [ 44.728416] tty_init_dev: ldisc open failed, clearing slot 11 [ 44.728445] kasan: CONFIG_KASAN_INLINE enabled [ 44.728453] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 44.728458] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 44.728463] Modules linked in: [ 44.728470] CPU: 0 PID: 3032 Comm: syz-executor1 Not tainted 4.4.171+ #11 [ 44.728475] task: ffff8800babf4740 task.stack: ffff880025fd8000 [ 44.728493] RIP: 0010:[] [] ida_remove+0x31/0x270 [ 44.728497] RSP: 0018:ffff880025fdf840 EFLAGS: 00010202 [ 44.728501] RAX: dffffc0000000000 RBX: ffff8801d8fa1100 RCX: 0000000000000000 [ 44.728505] RDX: 0000000000000002 RSI: ffffffff81aaf92c RDI: 0000000000000010 [ 44.728509] RBP: ffff880025fdf888 R08: 0000000000000000 R09: ffff8800babf5050 [ 44.728513] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 44.728517] R13: 0000000000000000 R14: ffff8800ba5c3180 R15: ffff8801d8fa16f0 [ 44.728523] FS: 00007f62eb731700(0000) GS:ffff8801db600000(0000) knlGS:0000000000000000 [ 44.728527] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.728531] CR2: 0000000001980938 CR3: 000000003f89c000 CR4: 00000000001606b0 [ 44.728558] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.728562] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.728563] Stack: [ 44.728572] ffffffff813afaa7 0000000000000001 0000000000000010 0000000b2076937d [ 44.728580] ffff8801d8fa1100 0000000000000000 000000000000000b ffff8800ba5c3180 [ 44.728589] ffff8801d8fa16f0 ffff880025fdf8a8 ffffffff8162612c 0000000000000000 [ 44.728591] Call Trace: [ 44.728602] [] ? log_wakeup_reason.cold+0x145/0x145 [ 44.728612] [] devpts_kill_index+0x2c/0x50 [ 44.728622] [] ? pty_unix98_remove+0x10/0x10 [ 44.728629] [] pty_unix98_shutdown+0xf8/0x170 [ 44.728638] [] release_tty+0xb9/0x350 [ 44.728646] [] tty_init_dev+0x1dc/0x420 [ 44.728653] [] ptmx_open+0xf6/0x320 [ 44.728659] [] ? pty_resize+0x270/0x270 [ 44.728669] [] chrdev_open+0x230/0x630 [ 44.728676] [] ? cdev_put.part.0+0x50/0x50 [ 44.728686] [] do_dentry_open+0x38f/0xbd0 [ 44.728693] [] ? __inode_permission2+0x9e/0x250 [ 44.728701] [] ? cdev_put.part.0+0x50/0x50 [ 44.728707] [] vfs_open+0x10b/0x210 [ 44.728715] [] ? may_open.isra.0+0xe7/0x210 [ 44.728722] [] path_openat+0x136f/0x4470 [ 44.728729] [] ? kasan_kmalloc.part.0+0xc6/0xf0 [ 44.728736] [] ? may_open.isra.0+0x210/0x210 [ 44.728746] [] ? trace_hardirqs_on+0x10/0x10 [ 44.728753] [] do_filp_open+0x1a1/0x270 [ 44.728761] [] ? user_path_mountpoint_at+0x50/0x50 [ 44.728769] [] ? do_dup2+0x3d0/0x3d0 [ 44.728778] [] ? _raw_spin_unlock+0x2d/0x50 [ 44.728785] [] do_sys_open+0x2f8/0x600 [ 44.728791] [] ? filp_open+0x70/0x70 [ 44.728801] [] ? __might_fault+0x191/0x1d0 [ 44.728811] [] ? SyS_clock_gettime+0x118/0x1e0 [ 44.728818] [] ? SyS_clock_settime+0x220/0x220 [ 44.728825] [] SyS_openat+0x30/0x40 [ 44.728832] [] entry_SYSCALL_64_fastpath+0x1e/0x9a [ 44.728941] Code: 41 56 41 55 49 89 fd 41 54 53 48 83 ec 20 89 75 d4 e8 b4 9a 85 ff 49 8d 7d 10 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e e5 01 00 00 48 63 45 d4 b9 [ 44.728949] RIP [] ida_remove+0x31/0x270 [ 44.728951] RSP [ 44.728957] ---[ end trace 0653c54fd60f8c1f ]--- [ 44.728962] Kernel panic - not syncing: Fatal exception [ 44.731563] Kernel Offset: disabled [ 47.632867] Rebooting in 86400 seconds..