[....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 37.088557] random: sshd: uninitialized urandom read (32 bytes read) [ 37.510783] audit: type=1400 audit(1539373860.932:6): avc: denied { map } for pid=1770 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 [ 37.554643] random: sshd: uninitialized urandom read (32 bytes read) [ 38.041448] random: sshd: uninitialized urandom read (32 bytes read) [ 38.196571] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.89' (ECDSA) to the list of known hosts. [ 43.730646] random: sshd: uninitialized urandom read (32 bytes read) [ 43.820525] audit: type=1400 audit(1539373867.242:7): avc: denied { map } for pid=1788 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=16479 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 2018/10/12 19:51:07 parsed 1 programs [ 44.356196] audit: type=1400 audit(1539373867.772:8): avc: denied { map } for pid=1788 comm="syz-execprog" path="/sys/kernel/debug/kcov" dev="debugfs" ino=4999 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1 [ 44.756455] random: cc1: uninitialized urandom read (8 bytes read) 2018/10/12 19:51:09 executed programs: 0 [ 45.920426] audit: type=1400 audit(1539373869.342:9): avc: denied { map } for pid=1788 comm="syz-execprog" path="/root/syzkaller-shm441893523" dev="sda1" ino=16482 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:file_t:s0 tclass=file permissive=1 [ 53.249567] audit: type=1400 audit(1539373876.662:10): avc: denied { module_load } for pid=4442 comm="syz-executor3" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=system permissive=1 [ 55.480637] oom_reaper: reaped process 4444 (syz-executor3), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 55.497192] syz-executor3 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=1000 [ 55.516596] CPU: 0 PID: 4444 Comm: syz-executor3 Not tainted 4.14.75+ #18 [ 55.523542] Call Trace: [ 55.526111] dump_stack+0xb9/0x11b [ 55.529628] dump_header+0x17d/0x7a8 [ 55.533327] ? trace_hardirqs_on_caller+0x381/0x520 [ 55.538347] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 55.543450] ? ___ratelimit+0x4f/0x3f0 [ 55.547327] oom_kill_process.cold.8+0x10/0xc88 [ 55.551984] ? lock_downgrade+0x560/0x560 [ 55.556138] ? check_preemption_disabled+0x34/0x160 [ 55.561147] out_of_memory+0x669/0xa60 [ 55.565012] ? oom_killer_disable+0x1f0/0x1f0 [ 55.569488] __alloc_pages_nodemask+0x1949/0x2300 [ 55.574335] ? retint_kernel+0x2d/0x2d [ 55.578214] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 55.583037] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 55.587776] ? retint_kernel+0x2d/0x2d [ 55.591657] ? trace_hardirqs_on_caller+0x381/0x520 [ 55.596660] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 55.601399] ? retint_kernel+0x2d/0x2d [ 55.605276] __vmalloc_node_range+0x283/0x680 [ 55.609760] ? SyS_init_module+0x119/0x1e0 [ 55.613991] __vmalloc+0x63/0x80 [ 55.617349] ? SyS_init_module+0x119/0x1e0 [ 55.621561] SyS_init_module+0x119/0x1e0 [ 55.625611] ? load_module+0x9150/0x9150 [ 55.629655] ? do_syscall_64+0x43/0x4b0 [ 55.633612] ? load_module+0x9150/0x9150 [ 55.637659] do_syscall_64+0x19b/0x4b0 [ 55.641540] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 55.646702] RIP: 0033:0x457569 [ 55.649880] RSP: 002b:00007f2946230c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000af [ 55.657575] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457569 [ 55.664824] RDX: 0000000020000080 RSI: 00000000fffffe25 RDI: 0000000020000100 [ 55.672108] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 55.679364] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f29462316d4 [ 55.686612] R13: 00000000004bdd87 R14: 00000000004ce290 R15: 00000000ffffffff [ 55.697189] Mem-Info: [ 55.699613] active_anon:5172 inactive_anon:41 isolated_anon:0 [ 55.699613] active_file:35 inactive_file:5 isolated_file:0 [ 55.699613] unevictable:0 dirty:0 writeback:0 unstable:0 [ 55.699613] slab_reclaimable:4588 slab_unreclaimable:58320 [ 55.699613] mapped:2 shmem:48 pagetables:446 bounce:0 [ 55.699613] free:4739 free_pcp:0 free_cma:0 [ 55.734633] Node 0 active_anon:20688kB inactive_anon:164kB active_file:232kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 55.759276] DMA32 free:15784kB min:4792kB low:7868kB high:10944kB active_anon:216kB inactive_anon:12kB active_file:0kB inactive_file:56kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:64kB pagetables:80kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 55.787742] lowmem_reserve[]: 0 3437 3437 [ 55.791952] Normal free:3172kB min:5480kB low:9000kB high:12520kB active_anon:20472kB inactive_anon:152kB active_file:68kB inactive_file:128kB unevictable:0kB writepending:0kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:3072kB pagetables:1704kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 55.821339] lowmem_reserve[]: 0 0 0 [ 55.824993] DMA32: 20*4kB (UM) 3*8kB (M) 6*16kB (UME) 3*32kB (ME) 2*64kB (UE) 2*128kB (UE) 1*256kB (E) 3*512kB (UME) 3*1024kB (UME) 3*2048kB (UME) 1*4096kB (M) = 15784kB [ 55.843229] Normal: 117*4kB (UM) 60*8kB (UM) 53*16kB (UME) 27*32kB (UM) 8*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 3172kB [ 55.856341] 100 total pagecache pages [ 55.861003] 0 pages in swap cache [ 55.864472] Swap cache stats: add 0, delete 0, find 0/0 [ 55.869823] Free swap = 0kB [ 55.875926] Total swap = 0kB [ 55.878931] 1965979 pages RAM [ 55.882564] 0 pages HighMem/MovableOnly [ 55.886531] 315630 pages reserved [ 55.889956] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 55.900621] [ 191] 0 191 5385 187 16 3 0 -1000 udevd [ 55.909451] [ 278] 0 278 5365 171 15 3 0 -1000 udevd [ 55.919739] [ 279] 0 279 5365 170 15 3 0 -1000 udevd [ 55.928943] [ 1483] 0 1483 2493 572 9 4 0 0 dhclient [ 55.939163] [ 1624] 0 1624 14265 109 23 3 0 0 rsyslogd [ 55.948600] [ 1677] 0 1677 4725 51 15 3 0 0 cron [ 55.958474] [ 1697] 0 1697 3736 45 12 3 0 0 mcstransd [ 55.968063] [ 1707] 0 1707 12490 153 29 3 0 -1000 sshd [ 55.977914] [ 1717] 0 1717 12927 1232 28 3 0 0 restorecond [ 55.988020] [ 1755] 0 1755 3649 39 12 3 0 0 getty [ 55.998015] [ 1786] 0 1786 17821 197 37 3 0 0 sshd [ 56.007515] [ 1788] 0 1788 32811 1723 27 5 0 0 syz-execprog [ 56.018108] [ 1799] 0 1799 9361 16 5 2 0 0 syz-executor2 [ 56.028406] [ 1802] 0 1802 9361 16 5 2 0 0 syz-executor3 [ 56.039077] [ 1804] 0 1804 9361 16 6 3 0 0 syz-executor2 [ 56.049288] [ 1805] 0 1805 9361 15 5 2 0 0 syz-executor4 [ 56.059965] [ 1806] 0 1806 9361 16 6 3 0 0 syz-executor3 [ 56.069871] [ 1807] 0 1807 9361 16 5 2 0 0 syz-executor5 [ 56.081505] [ 1808] 0 1808 9361 16 5 2 0 0 syz-executor0 [ 56.091386] [ 1809] 0 1809 9361 16 6 3 0 0 syz-executor5 [ 56.102371] [ 1810] 0 1810 9361 16 5 2 0 0 syz-executor1 [ 56.112230] [ 1811] 0 1811 9361 16 6 3 0 0 syz-executor0 [ 56.123422] [ 1812] 0 1812 9361 15 6 3 0 0 syz-executor4 [ 56.133347] [ 1813] 0 1813 9361 16 6 3 0 0 syz-executor1 [ 56.144462] [ 3710] 0 3710 3649 43 12 4 0 0 getty [ 56.153663] [ 3719] 0 3719 3649 43 13 3 0 0 getty [ 56.163222] [ 3724] 0 3724 3649 43 13 3 0 0 getty [ 56.173505] [ 3727] 0 3727 3649 42 13 3 0 0 getty [ 56.183069] [ 3730] 0 3730 3649 41 13 3 0 0 getty [ 56.192234] [ 3732] 0 3732 3649 42 13 3 0 0 getty [ 56.202729] [ 4444] 0 4442 9394 0 9 4 0 1000 syz-executor3 [ 56.212653] [ 4450] 0 4448 9394 25 9 4 0 1000 syz-executor2 [ 56.223298] [ 4457] 0 4456 9394 25 9 4 0 1000 syz-executor5 [ 56.233546] [ 4461] 0 4460 9394 24 9 4 0 1000 syz-executor4 [ 56.244145] [ 4468] 0 4464 9394 25 9 4 0 1000 syz-executor0 [ 56.254021] [ 4469] 0 4467 9394 25 9 4 0 1000 syz-executor1 [ 56.265646] Out of memory: Kill process 4448 (syz-executor2) score 999 or sacrifice child [ 56.274551] Killed process 4450 (syz-executor2) total-vm:37576kB, anon-rss:100kB, file-rss:0kB, shmem-rss:0kB [ 56.292499] oom_reaper: reaped process 4450 (syz-executor2), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 56.311037] syz-executor0 invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 56.325484] CPU: 1 PID: 1811 Comm: syz-executor0 Not tainted 4.14.75+ #18 [ 56.332408] Call Trace: [ 56.334989] dump_stack+0xb9/0x11b [ 56.338526] dump_header+0x17d/0x7a8 [ 56.342235] ? trace_hardirqs_on_caller+0x381/0x520 [ 56.347252] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 56.352354] ? ___ratelimit+0x4f/0x3f0 [ 56.356256] oom_kill_process.cold.8+0x10/0xc88 [ 56.360925] ? lock_downgrade+0x560/0x560 [ 56.365069] ? check_preemption_disabled+0x34/0x160 [ 56.370098] out_of_memory+0x669/0xa60 [ 56.373983] ? oom_killer_disable+0x1f0/0x1f0 [ 56.378481] __alloc_pages_nodemask+0x1949/0x2300 [ 56.383882] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 56.388722] ? find_get_entry+0x118/0x550 [ 56.392863] ? __radix_tree_lookup+0x220/0x220 [ 56.397447] ? check_preemption_disabled+0x34/0x160 [ 56.402462] ? find_get_entry+0x13f/0x550 [ 56.406609] ? pagecache_get_page+0x129/0x770 [ 56.411104] filemap_fault+0xcdd/0x14a0 [ 56.415093] ext4_filemap_fault+0x7d/0xb0 [ 56.419238] __do_fault+0x80/0x210 [ 56.422785] __handle_mm_fault+0xe04/0x23a0 [ 56.427116] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 56.432225] ? vm_insert_page+0x6d0/0x6d0 [ 56.436376] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 56.441493] ? free_object+0xe4/0x240 [ 56.445314] ? check_preemption_disabled+0x34/0x160 [ 56.450365] handle_mm_fault+0x2f2/0x6eb [ 56.454424] __do_page_fault+0x45d/0xb60 [ 56.458483] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 56.463841] ? bad_area_access_error+0x330/0x330 [ 56.468589] ? page_fault+0x2c/0x50 [ 56.472235] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 56.477088] ? page_fault+0x2c/0x50 [ 56.480707] page_fault+0x42/0x50 [ 56.484172] RIP: d3ec: (null) [ 56.488047] RSP: d731:00000000000000fe EFLAGS: 00000001 [ 56.495457] Mem-Info: [ 56.506500] active_anon:5157 inactive_anon:41 isolated_anon:0 [ 56.506500] active_file:46 inactive_file:9 isolated_file:0 [ 56.506500] unevictable:0 dirty:0 writeback:0 unstable:0 [ 56.506500] slab_reclaimable:4588 slab_unreclaimable:58320 [ 56.506500] mapped:2 shmem:48 pagetables:446 bounce:0 [ 56.506500] free:4504 free_pcp:30 free_cma:0 [ 56.541499] Node 0 active_anon:20628kB inactive_anon:164kB active_file:84kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 56.567228] DMA32 free:15784kB min:4792kB low:7868kB high:10944kB active_anon:212kB inactive_anon:12kB active_file:0kB inactive_file:16kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:64kB pagetables:80kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 56.597693] lowmem_reserve[]: 0 3437 3437 [ 56.603622] Normal free:2232kB min:5480kB low:9000kB high:12520kB active_anon:20416kB inactive_anon:152kB active_file:204kB inactive_file:24kB unevictable:0kB writepending:0kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:3072kB pagetables:1704kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB [ 56.634788] lowmem_reserve[]: 0 0 0 [ 56.638431] DMA32: 21*4kB (UM) 3*8kB (M) 6*16kB (UME) 3*32kB (ME) 2*64kB (UE) 2*128kB (UE) 1*256kB (E) 3*512kB (UME) 3*1024kB (UME) 3*2048kB (UME) 1*4096kB (M) = 15788kB [ 56.686006] Normal: 110*4kB (UM) 59*8kB (UM) 38*16kB (ME) 10*32kB (UM) 8*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 2352kB [ 56.721365] 100 total pagecache pages [ 56.725182] 0 pages in swap cache [ 56.728632] Swap cache stats: add 0, delete 0, find 0/0 [ 56.750045] Free swap = 0kB [ 56.753067] Total swap = 0kB [ 56.756073] 1965979 pages RAM [ 56.759164] 0 pages HighMem/MovableOnly [ 56.780816] 315630 pages reserved [ 56.784277] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 56.800871] [ 191] 0 191 5385 187 16 3 0 -1000 udevd [ 56.809700] [ 278] 0 278 5365 171 15 3 0 -1000 udevd [ 56.841899] [ 279] 0 279 5365 170 15 3 0 -1000 udevd [ 56.862280] [ 1483] 0 1483 2493 572 9 4 0 0 dhclient [ 56.881690] [ 1624] 0 1624 14265 109 23 3 0 0 rsyslogd [ 56.901704] [ 1677] 0 1677 4725 51 15 3 0 0 cron [ 56.921691] [ 1697] 0 1697 3736 45 12 3 0 0 mcstransd [ 56.940529] [ 1707] 0 1707 12490 153 29 3 0 -1000 sshd [ 56.970055] [ 1717] 0 1717 12927 1232 28 3 0 0 restorecond [ 56.979340] [ 1755] 0 1755 3649 39 12 3 0 0 getty [ 57.030102] [ 1786] 0 1786 17821 197 37 3 0 0 sshd [ 57.038788] [ 1788] 0 1788 32811 1723 27 5 0 0 syz-execprog [ 57.070376] [ 1799] 0 1799 9361 16 5 2 0 0 syz-executor2 [ 57.081145] [ 1802] 0 1802 9361 16 5 2 0 0 syz-executor3 [ 57.105700] [ 1804] 0 1804 9361 16 6 3 0 0 syz-executor2 [ 57.130054] [ 1805] 0 1805 9361 15 5 2 0 0 syz-executor4 [ 57.139579] [ 1806] 0 1806 9361 16 6 3 0 0 syz-executor3 [ 57.210061] [ 1807] 0 1807 9361 16 5 2 0 0 syz-executor5 [ 57.234052] [ 1808] 0 1808 9361 16 5 2 0 0 syz-executor0 [ 57.253511] [ 1809] 0 1809 9361 16 6 3 0 0 syz-executor5 [ 57.300616] [ 1810] 0 1810 9361 16 5 2 0 0 syz-executor1 [ 57.328845] [ 1811] 0 1811 9361 16 6 3 0 0 syz-executor0 [ 57.360064] [ 1812] 0 1812 9361 15 6 3 0 0 syz-executor4 [ 57.369520] [ 1813] 0 1813 9361 16 6 3 0 0 syz-executor1 [ 57.390049] [ 3710] 0 3710 3649 43 12 4 0 0 getty [ 57.398818] [ 3719] 0 3719 3649 43 13 3 0 0 getty [ 57.440047] [ 3724] 0 3724 3649 43 13 3 0 0 getty [ 57.460055] [ 3727] 0 3727 3649 42 13 3 0 0 getty [ 57.468843] [ 3730] 0 3730 3649 41 13 3 0 0 getty [ 57.515062] [ 3732] 0 3732 3649 42 13 3 0 0 getty [ 57.533396] [ 4444] 0 4442 9394 0 9 4 0 1000 syz-executor3 [ 57.566908] [ 4450] 0 4448 9394 0 9 4 0 1000 syz-executor2 [ 57.633135] [ 4457] 0 4456 9394 25 9 4 0 1000 syz-executor5 [ 57.660050] [ 4461] 0 4460 9394 24 9 4 0 1000 syz-executor4 [ 57.669499] [ 4468] 0 4464 9394 25 9 4 0 1000 syz-executor0 [ 57.700060] [ 4469] 0 4467 9394 25 9 4 0 1000 syz-executor1 [ 57.720554] Out of memory: Kill process 4456 (syz-executor5) score 999 or sacrifice child [ 57.728999] Killed process 4457 (syz-executor5) total-vm:37576kB, anon-rss:100kB, file-rss:0kB, shmem-rss:0kB [ 57.791819] oom_reaper: reaped process 4457 (syz-executor5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 57.899950] oom_reaper: reaped process 4461 (syz-executor4), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 57.923554] syz-executor0 invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 57.950148] CPU: 1 PID: 1811 Comm: syz-executor0 Not tainted 4.14.75+ #18 [ 57.957077] Call Trace: [ 57.959663] dump_stack+0xb9/0x11b [ 57.963218] dump_header+0x17d/0x7a8 [ 57.966923] ? trace_hardirqs_on_caller+0x381/0x520 [ 57.971939] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 57.977039] ? ___ratelimit+0x4f/0x3f0 [ 57.980927] oom_kill_process.cold.8+0x10/0xc88 [ 57.985594] ? lock_downgrade+0x560/0x560 [ 57.989738] ? check_preemption_disabled+0x34/0x160 [ 57.994772] out_of_memory+0x669/0xa60 [ 57.998664] ? oom_killer_disable+0x1f0/0x1f0 [ 58.003165] __alloc_pages_nodemask+0x1949/0x2300 [ 58.008022] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 58.012864] ? find_get_entry+0x118/0x550 [ 58.017008] ? __radix_tree_lookup+0x220/0x220 [ 58.021594] ? check_preemption_disabled+0x34/0x160 [ 58.026609] ? find_get_entry+0x13f/0x550 [ 58.030763] ? pagecache_get_page+0x129/0x770 [ 58.035285] filemap_fault+0xcdd/0x14a0 [ 58.039282] ext4_filemap_fault+0x7d/0xb0 [ 58.043427] __do_fault+0x80/0x210 [ 58.046961] __handle_mm_fault+0xe04/0x23a0 [ 58.051285] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 58.056382] ? vm_insert_page+0x6d0/0x6d0 [ 58.060524] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 58.065632] ? free_object+0xe4/0x240 [ 58.069455] ? check_preemption_disabled+0x34/0x160 [ 58.074474] handle_mm_fault+0x2f2/0x6eb [ 58.078533] __do_page_fault+0x45d/0xb60 [ 58.082607] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 58.087963] ? bad_area_access_error+0x330/0x330 [ 58.092713] ? page_fault+0x2c/0x50 [ 58.096332] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 58.101170] ? page_fault+0x2c/0x50 [ 58.104791] page_fault+0x42/0x50 [ 58.108232] RIP: d3ec: (null) [ 58.112122] RSP: 0006:00000000000000fe EFLAGS: 00000001 [ 58.400055] Mem-Info: [ 58.407867] active_anon:5125 inactive_anon:41 isolated_anon:0 [ 58.407867] active_file:58 inactive_file:188 isolated_file:0 [ 58.407867] unevictable:0 dirty:0 writeback:0 unstable:0 [ 58.407867] slab_reclaimable:4605 slab_unreclaimable:58320 [ 58.407867] mapped:202 shmem:48 pagetables:446 bounce:0 [ 58.407867] free:14013 free_pcp:201 free_cma:0 [ 58.507164] Node 0 active_anon:20500kB inactive_anon:164kB active_file:76kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:108kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 58.569191] DMA32 free:15796kB min:4792kB low:7868kB high:10944kB active_anon:204kB inactive_anon:12kB active_file:0kB inactive_file:24kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:64kB pagetables:80kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 58.630790] lowmem_reserve[]: 0 3437 3437 [ 58.634976] Normal free:25044kB min:5480kB low:9000kB high:12520kB active_anon:20296kB inactive_anon:152kB active_file:568kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:3072kB pagetables:1704kB bounce:0kB free_pcp:640kB local_pcp:624kB free_cma:0kB [ 58.710050] lowmem_reserve[]: 0 0 0 [ 58.713738] DMA32: 20*4kB (M) 5*8kB (UM) 6*16kB (UME) 3*32kB (ME) 2*64kB (UE) 1*128kB (E) 1*256kB (E) 3*512kB (UME) 3*1024kB (UME) 3*2048kB (UME) 1*4096kB (M) = 15672kB [ 58.764619] Normal: 1*4kB (U) 2*8kB (U) 1*16kB (H) 2*32kB (U) 3*64kB (UH) 0*128kB 1*256kB (H) 2*512kB (UH) 1*1024kB (H) 1*2048kB (H) 0*4096kB = 4644kB [ 58.810077] 213 total pagecache pages [ 58.814008] 0 pages in swap cache [ 58.817549] Swap cache stats: add 0, delete 0, find 0/0 [ 58.844965] Free swap = 0kB [ 58.848367] Total swap = 0kB [ 58.863521] 1965979 pages RAM [ 58.866631] 0 pages HighMem/MovableOnly [ 58.883337] 315630 pages reserved [ 58.886796] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 58.920090] [ 191] 0 191 5385 187 16 3 0 -1000 udevd [ 58.964734] [ 278] 0 278 5365 171 15 3 0 -1000 udevd [ 58.982526] [ 279] 0 279 5365 170 15 3 0 -1000 udevd [ 59.010263] [ 1483] 0 1483 2493 572 9 4 0 0 dhclient [ 59.019390] [ 1624] 0 1624 14265 163 23 3 0 0 rsyslogd [ 59.080056] [ 1677] 0 1677 4725 51 15 3 0 0 cron [ 59.088777] [ 1697] 0 1697 3736 45 12 3 0 0 mcstransd [ 59.126943] [ 1707] 0 1707 12490 153 29 3 0 -1000 sshd [ 59.182097] [ 1717] 0 1717 12927 1232 28 3 0 0 restorecond [ 59.224656] [ 1755] 0 1755 3649 39 12 3 0 0 getty [ 59.233661] [ 1786] 0 1786 17821 197 37 3 0 0 sshd [ 59.259810] [ 1788] 0 1788 32811 1729 27 5 0 0 syz-execprog [ 59.270358] [ 1799] 0 1799 9361 16 5 2 0 0 syz-executor2 [ 59.290486] [ 1802] 0 1802 9361 16 5 2 0 0 syz-executor3 [ 59.299976] [ 1804] 0 1804 9361 16 6 3 0 0 syz-executor2 [ 59.330111] [ 1805] 0 1805 9361 15 5 2 0 0 syz-executor4 [ 59.339601] [ 1806] 0 1806 9361 16 6 3 0 0 syz-executor3 [ 59.390087] [ 1807] 0 1807 9361 16 5 2 0 0 syz-executor5 [ 59.399551] [ 1808] 0 1808 9361 16 5 2 0 0 syz-executor0 [ 59.430083] [ 1809] 0 1809 9361 16 6 3 0 0 syz-executor5 [ 59.439745] [ 1810] 0 1810 9361 16 5 2 0 0 syz-executor1 [ 59.480052] [ 1811] 0 1811 9361 16 6 3 0 0 syz-executor0 [ 59.489513] [ 1812] 0 1812 9361 15 6 3 0 0 syz-executor4 [ 59.510075] [ 1813] 0 1813 9361 20 6 3 0 0 syz-executor1 [ 59.519560] [ 3710] 0 3710 3649 43 12 4 0 0 getty [ 59.550049] [ 3719] 0 3719 3649 43 13 3 0 0 getty [ 59.558841] [ 3724] 0 3724 3649 43 13 3 0 0 getty [ 59.578324] [ 3727] 0 3727 3649 42 13 3 0 0 getty [ 59.587153] [ 3730] 0 3730 3649 41 13 3 0 0 getty [ 59.595959] [ 3732] 0 3732 3649 42 13 3 0 0 getty [ 59.604810] [ 4444] 0 4442 9394 0 9 4 0 1000 syz-executor3 [ 59.614287] [ 4457] 0 4456 9394 0 9 4 0 1000 syz-executor5 [ 59.623808] [ 4461] 0 4460 9394 0 9 4 0 1000 syz-executor4 [ 59.633294] [ 4468] 0 4464 9394 25 9 4 0 1000 syz-executor0 [ 59.642813] [ 4469] 0 4467 9394 25 9 4 0 1000 syz-executor1 [ 59.652332] Out of memory: Kill process 4464 (syz-executor0) score 999 or sacrifice child [ 59.660682] Killed process 4468 (syz-executor0) total-vm:37576kB, anon-rss:100kB, file-rss:0kB, shmem-rss:0kB [ 59.690871] oom_reaper: reaped process 4468 (syz-executor0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 59.911156] rsyslogd invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 59.923738] CPU: 1 PID: 1627 Comm: rsyslogd Not tainted 4.14.75+ #18 [ 59.930231] Call Trace: [ 59.932808] dump_stack+0xb9/0x11b [ 59.936339] dump_header+0x17d/0x7a8 [ 59.940049] ? trace_hardirqs_on_caller+0x381/0x520 [ 59.945064] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 59.950145] ? ___ratelimit+0x4f/0x3f0 [ 59.954009] oom_kill_process.cold.8+0x10/0xc88 [ 59.958683] ? lock_downgrade+0x560/0x560 [ 59.962819] ? check_preemption_disabled+0x34/0x160 [ 59.967821] out_of_memory+0x669/0xa60 [ 59.971688] ? oom_killer_disable+0x1f0/0x1f0 [ 59.976185] __alloc_pages_nodemask+0x1949/0x2300 [ 59.981018] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 59.985865] ? find_get_entry+0x118/0x550 [ 59.989991] ? __radix_tree_lookup+0x220/0x220 [ 59.994563] ? check_preemption_disabled+0x34/0x160 [ 59.999564] ? find_get_entry+0x13f/0x550 [ 60.003699] ? pagecache_get_page+0x129/0x770 [ 60.008186] filemap_fault+0xcdd/0x14a0 [ 60.012151] ext4_filemap_fault+0x7d/0xb0 [ 60.016309] __do_fault+0x80/0x210 [ 60.019847] __handle_mm_fault+0xe04/0x23a0 [ 60.024195] ? SyS_read+0x158/0x1a0 [ 60.027822] ? vm_insert_page+0x6d0/0x6d0 [ 60.031951] ? __fsnotify_parent+0xb1/0x300 [ 60.036270] ? check_preemption_disabled+0x34/0x160 [ 60.041272] handle_mm_fault+0x2f2/0x6eb [ 60.045314] __do_page_fault+0x45d/0xb60 [ 60.049365] ? retint_user+0x18/0x18 [ 60.053059] ? bad_area_access_error+0x330/0x330 [ 60.057791] ? page_fault+0x2c/0x50 [ 60.061396] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 60.066218] ? page_fault+0x2c/0x50 [ 60.069821] page_fault+0x42/0x50 [ 60.073251] RIP: 0001:0x6e [ 60.076071] RSP: 12358c8:0000000000000001 EFLAGS: 0065e200 [ 60.079894] Mem-Info: [ 60.094326] active_anon:5109 inactive_anon:41 isolated_anon:0 [ 60.094326] active_file:5 inactive_file:22 isolated_file:0 [ 60.094326] unevictable:0 dirty:0 writeback:0 unstable:0 [ 60.094326] slab_reclaimable:4615 slab_unreclaimable:58352 [ 60.094326] mapped:2 shmem:48 pagetables:428 bounce:0 [ 60.094326] free:4517 free_pcp:0 free_cma:0 [ 60.140105] Node 0 active_anon:20436kB inactive_anon:164kB active_file:20kB inactive_file:88kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 60.180771] DMA32 free:15884kB min:4792kB low:7868kB high:10944kB active_anon:152kB inactive_anon:12kB active_file:16kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:64kB pagetables:80kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 60.240733] lowmem_reserve[]: 0 3437 3437 [ 60.244947] Normal free:2184kB min:5480kB low:9000kB high:12520kB active_anon:20284kB inactive_anon:152kB active_file:4kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:3008kB pagetables:1632kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 60.310725] lowmem_reserve[]: 0 0 0 [ 60.314377] DMA32: 25*4kB (UM) 6*8kB (M) 5*16kB (M) 5*32kB (ME) 2*64kB (ME) 3*128kB (UME) 3*256kB (UME) 2*512kB (UE) 3*1024kB (UME) 3*2048kB (UME) 1*4096kB (M) = 16004kB [ 60.340046] Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 1*256kB (U) 0*512kB 0*1024kB 1*2048kB (U) 0*4096kB = 2304kB [ 60.370788] 75 total pagecache pages [ 60.374507] 0 pages in swap cache [ 60.377947] Swap cache stats: add 0, delete 0, find 0/0 [ 60.400048] Free swap = 0kB [ 60.403068] Total swap = 0kB [ 60.406073] 1965979 pages RAM [ 60.409170] 0 pages HighMem/MovableOnly [ 60.420039] 315630 pages reserved [ 60.423487] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 60.450734] [ 191] 0 191 5385 187 16 3 0 -1000 udevd [ 60.459497] [ 278] 0 278 5365 171 15 3 0 -1000 udevd [ 60.480633] [ 279] 0 279 5365 170 15 3 0 -1000 udevd [ 60.489395] [ 1483] 0 1483 2493 572 9 4 0 0 dhclient [ 60.520063] [ 1624] 0 1624 14265 166 23 3 0 0 rsyslogd [ 60.529113] [ 1677] 0 1677 4725 51 15 3 0 0 cron [ 60.560051] [ 1697] 0 1697 3736 45 12 3 0 0 mcstransd [ 60.569162] [ 1707] 0 1707 12490 153 29 3 0 -1000 sshd [ 60.600052] [ 1717] 0 1717 12927 1232 28 3 0 0 restorecond [ 60.609336] [ 1755] 0 1755 3649 39 12 3 0 0 getty [ 60.631145] [ 1786] 0 1786 17821 197 37 3 0 0 sshd [ 60.639830] [ 1788] 0 1788 32811 1729 27 5 0 0 syz-execprog [ 60.670788] [ 1799] 0 1799 9361 16 5 2 0 0 syz-executor2 [ 60.690714] [ 1802] 0 1802 9361 16 5 2 0 0 syz-executor3 [ 60.710800] [ 1804] 0 1804 9361 16 6 3 0 0 syz-executor2 [ 60.730818] [ 1805] 0 1805 9361 15 5 2 0 0 syz-executor4 [ 60.750737] [ 1806] 0 1806 9361 16 6 3 0 0 syz-executor3 [ 60.770767] [ 1807] 0 1807 9361 16 5 2 0 0 syz-executor5 [ 60.790802] [ 1808] 0 1808 9361 16 5 2 0 0 syz-executor0 [ 60.810732] [ 1809] 0 1809 9361 16 6 3 0 0 syz-executor5 [ 60.830750] [ 1810] 0 1810 9361 16 5 2 0 0 syz-executor1 [ 60.850746] [ 1811] 0 1811 9361 16 6 3 0 0 syz-executor0 [ 60.871365] [ 1812] 0 1812 9361 15 6 3 0 0 syz-executor4 [ 60.890777] [ 1813] 0 1813 9361 20 6 3 0 0 syz-executor1 [ 60.910705] [ 3710] 0 3710 3649 43 12 4 0 0 getty [ 60.919466] [ 3719] 0 3719 3649 43 13 3 0 0 getty [ 60.950689] [ 3724] 0 3724 3649 43 13 3 0 0 getty [ 60.959458] [ 3727] 0 3727 3649 42 13 3 0 0 getty [ 60.980067] [ 3730] 0 3730 3649 41 13 3 0 0 getty [ 60.989734] [ 3732] 0 3732 3649 42 13 3 0 0 getty [ 61.020052] [ 4457] 0 4456 9394 0 9 4 0 1000 syz-executor5 [ 61.029507] [ 4461] 0 4460 9394 0 9 4 0 1000 syz-executor4 [ 61.071435] [ 4468] 0 4464 9394 0 9 4 0 1000 syz-executor0 [ 61.080936] [ 4469] 0 4467 9394 25 9 4 0 1000 syz-executor1 [ 61.100066] Out of memory: Kill process 4467 (syz-executor1) score 999 or sacrifice child [ 61.108401] Killed process 4469 (syz-executor1) total-vm:37576kB, anon-rss:100kB, file-rss:0kB, shmem-rss:0kB [ 61.161088] oom_reaper: reaped process 4469 (syz-executor1), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 61.182880] getty invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 61.222118] CPU: 0 PID: 3719 Comm: getty Not tainted 4.14.75+ #18 [ 61.228357] Call Trace: [ 61.230974] dump_stack+0xb9/0x11b [ 61.234529] dump_header+0x17d/0x7a8 [ 61.238235] ? trace_hardirqs_on_caller+0x381/0x520 [ 61.243244] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 61.248342] ? ___ratelimit+0x4f/0x3f0 [ 61.252224] oom_kill_process.cold.8+0x10/0xc88 [ 61.256901] ? lock_downgrade+0x560/0x560 [ 61.261042] ? check_preemption_disabled+0x34/0x160 [ 61.266050] out_of_memory+0x669/0xa60 [ 61.269942] ? oom_killer_disable+0x1f0/0x1f0 [ 61.274875] __alloc_pages_nodemask+0x1949/0x2300 [ 61.279725] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 61.284563] ? find_get_entry+0x118/0x550 [ 61.288705] ? __radix_tree_lookup+0x220/0x220 [ 61.293274] ? check_preemption_disabled+0x34/0x160 [ 61.298283] ? find_get_entry+0x13f/0x550 [ 61.302432] ? pagecache_get_page+0x129/0x770 [ 61.306927] filemap_fault+0xcdd/0x14a0 [ 61.310903] ext4_filemap_fault+0x7d/0xb0 [ 61.315039] __do_fault+0x80/0x210 [ 61.318569] __handle_mm_fault+0xe04/0x23a0 [ 61.322882] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 61.327973] ? vm_insert_page+0x6d0/0x6d0 [ 61.332108] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 61.337200] ? free_object+0xe4/0x240 [ 61.341015] ? check_preemption_disabled+0x34/0x160 [ 61.346041] handle_mm_fault+0x2f2/0x6eb [ 61.350098] __do_page_fault+0x45d/0xb60 [ 61.354149] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 61.359500] ? bad_area_access_error+0x330/0x330 [ 61.364243] ? page_fault+0x2c/0x50 [ 61.367858] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 61.372704] ? page_fault+0x2c/0x50 [ 61.376317] page_fault+0x42/0x50 [ 61.379765] RIP: 16e1af2f:0x7ffd16e1af32 2018/10/12 19:51:24 executed programs: 6 [ 61.383813] RSP: 16e17800:00007ffd16e17780 EFLAGS: ffffffff [ 61.980957] Mem-Info: [ 62.012484] active_anon:5134 inactive_anon:41 isolated_anon:0 [ 62.012484] active_file:723 inactive_file:1422 isolated_file:0 [ 62.012484] unevictable:0 dirty:0 writeback:0 unstable:0 [ 62.012484] slab_reclaimable:4640 slab_unreclaimable:58144 [ 62.012484] mapped:1402 shmem:48 pagetables:465 bounce:0 [ 62.012484] free:63360 free_pcp:392 free_cma:0 [ 62.148855] Node 0 active_anon:20520kB inactive_anon:164kB active_file:3024kB inactive_file:5764kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:5652kB dirty:96kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 62.229578] DMA32 free:377248kB min:4792kB low:7868kB high:10944kB active_anon:1104kB inactive_anon:20kB active_file:2960kB inactive_file:5736kB unevictable:0kB writepending:96kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:352kB pagetables:420kB bounce:0kB free_pcp:1128kB local_pcp:700kB free_cma:0kB [ 62.316322] lowmem_reserve[]: 0 3437 3437 [ 62.330515] Normal free:11380kB min:5480kB low:9000kB high:12520kB active_anon:19416kB inactive_anon:144kB active_file:64kB inactive_file:28kB unevictable:0kB writepending:0kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2848kB pagetables:1376kB bounce:0kB free_pcp:860kB local_pcp:624kB free_cma:0kB [ 62.430079] lowmem_reserve[]: 0 0 0 [ 62.445978] DMA32: 492*4kB (UME) 478*8kB (UME) 484*16kB (UME) 678*32kB (UME) 3884*64kB (UME) 447*128kB (UME) 208*256kB (U) 70*512kB (UM) 40*1024kB (UM) 5*2048kB (UE) 0*4096kB = 481312kB [ 62.516749] Normal: 18*4kB (UM) 9*8kB (UM) 7*16kB (UME) 8*32kB (UME) 11*64kB (UME) 6*128kB (U) 3*256kB (UE) 0*512kB 0*1024kB 4*2048kB (UE) 0*4096kB = 10944kB [ 62.560819] 2251 total pagecache pages [ 62.572590] 0 pages in swap cache [ 62.584908] Swap cache stats: add 0, delete 0, find 0/0 [ 62.605780] Free swap = 0kB [ 62.618793] Total swap = 0kB [ 62.630665] 1965979 pages RAM [ 62.643708] 0 pages HighMem/MovableOnly [ 62.663595] 315630 pages reserved [ 62.678088] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 62.714415] [ 191] 0 191 5385 503 16 3 0 -1000 udevd [ 62.740895] [ 278] 0 278 5365 553 15 3 0 -1000 udevd [ 62.768424] [ 279] 0 279 5365 552 15 3 0 -1000 udevd [ 62.799210] [ 1483] 0 1483 2493 572 9 4 0 0 dhclient [ 62.836859] [ 1624] 0 1624 14265 166 23 3 0 0 rsyslogd [ 62.873370] [ 1677] 0 1677 4725 51 15 3 0 0 cron [ 62.910592] [ 1697] 0 1697 3736 45 12 3 0 0 mcstransd [ 62.938404] [ 1707] 0 1707 12490 153 29 3 0 -1000 sshd [ 62.965942] [ 1717] 0 1717 12927 1232 28 3 0 0 restorecond [ 62.997259] [ 1755] 0 1755 3649 39 12 3 0 0 getty [ 63.034539] [ 1786] 0 1786 17821 197 37 3 0 0 sshd [ 63.070717] [ 1788] 0 1788 32811 1729 27 5 0 0 syz-execprog [ 63.109822] [ 1799] 0 1799 9361 16 5 2 0 0 syz-executor2 [ 63.140204] [ 1802] 0 1802 9361 16 5 2 0 0 syz-executor3 [ 63.168427] [ 1804] 0 1804 9360 172 7 3 0 0 syz-executor2 [ 63.201319] [ 1805] 0 1805 9361 15 5 2 0 0 syz-executor4 [ 63.240468] [ 1806] 0 1806 9360 158 6 3 0 0 syz-executor3 [ 63.280781] [ 1807] 0 1807 9361 16 5 2 0 0 syz-executor5 [ 63.321409] [ 1808] 0 1808 9361 16 5 2 0 0 syz-executor0 [ 63.360648] [ 1809] 0 1809 9361 16 6 3 0 0 syz-executor5 [ 63.400459] [ 1810] 0 1810 9361 16 5 2 0 0 syz-executor1 [ 63.440842] [ 1811] 0 1811 9361 16 6 3 0 0 syz-executor0 [ 63.480080] [ 1812] 0 1812 9361 15 6 3 0 0 syz-executor4 [ 63.519263] [ 1813] 0 1813 9361 20 6 3 0 0 syz-executor1 [ 63.548628] [ 3719] 0 3719 3649 43 13 3 0 0 getty [ 63.576228] [ 4457] 0 4456 9394 0 9 4 0 1000 syz-executor5 [ 63.613326] [ 4461] 0 4460 9394 0 9 4 0 1000 syz-executor4 [ 63.652462] [ 4468] 0 4464 9394 0 9 4 0 1000 syz-executor0 [ 63.684027] [ 4469] 0 4467 9394 0 9 4 0 1000 syz-executor1 [ 63.713630] [ 4472] 0 4470 9393 184 10 4 0 1000 syz-executor2 [ 63.744008] [ 4473] 0 4471 9393 184 9 4 0 1000 syz-executor3 [ 63.772529] [ 4476] 0 4476 3649 436 13 3 0 0 getty [ 63.800085] [ 4477] 0 4477 3649 437 13 3 0 0 getty [ 63.829253] [ 4478] 0 4478 3649 433 13 3 0 0 getty [ 63.855961] [ 4479] 0 4479 3649 428 13 3 0 0 getty [ 63.883774] [ 4480] 0 4480 3649 433 13 3 0 0 getty [ 63.911506] Out of memory: Kill process 1788 (syz-execprog) score 1 or sacrifice child [ 63.936455] Killed process 1799 (syz-executor2) total-vm:37444kB, anon-rss:64kB, file-rss:0kB, shmem-rss:0kB [ 65.166947] oom_reaper: reaped process 4473 (syz-executor3), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 65.188018] syz-executor5 invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=1000 [ 65.201391] CPU: 1 PID: 4492 Comm: syz-executor5 Not tainted 4.14.75+ #18 [ 65.208315] Call Trace: [ 65.210898] dump_stack+0xb9/0x11b [ 65.214440] dump_header+0x17d/0x7a8 [ 65.218150] ? trace_hardirqs_on_caller+0x381/0x520 [ 65.223159] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 65.228241] ? ___ratelimit+0x4f/0x3f0 [ 65.232119] oom_kill_process.cold.8+0x10/0xc88 [ 65.236786] ? lock_downgrade+0x560/0x560 [ 65.240935] ? check_preemption_disabled+0x34/0x160 [ 65.245961] out_of_memory+0x669/0xa60 [ 65.249847] ? oom_killer_disable+0x1f0/0x1f0 [ 65.254345] __alloc_pages_nodemask+0x1949/0x2300 [ 65.259203] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 65.264042] ? find_get_entry+0x118/0x550 [ 65.268185] ? __radix_tree_lookup+0x220/0x220 [ 65.272771] ? check_preemption_disabled+0x34/0x160 [ 65.277964] ? find_get_entry+0x13f/0x550 [ 65.282116] ? pagecache_get_page+0x129/0x770 [ 65.286615] filemap_fault+0xcdd/0x14a0 [ 65.290600] ext4_filemap_fault+0x7d/0xb0 [ 65.294745] __do_fault+0x80/0x210 [ 65.298308] __handle_mm_fault+0xe04/0x23a0 [ 65.302625] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 65.307726] ? vm_insert_page+0x6d0/0x6d0 [ 65.311882] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 65.316986] ? free_object+0xe4/0x240 [ 65.320825] ? check_preemption_disabled+0x34/0x160 [ 65.325870] handle_mm_fault+0x2f2/0x6eb [ 65.329935] __do_page_fault+0x45d/0xb60 [ 65.334002] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 65.339370] ? bad_area_access_error+0x330/0x330 [ 65.344127] ? page_fault+0x2c/0x50 [ 65.347800] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 65.352650] ? page_fault+0x2c/0x50 [ 65.356277] page_fault+0x42/0x50 [ 65.359721] RIP: 03e8:0xfd7b [ 65.362728] RSP: 1006e:000000000072c900 EFLAGS: 0072c900 [ 65.363626] Mem-Info: [ 65.371530] active_anon:5184 inactive_anon:41 isolated_anon:0 [ 65.371530] active_file:23 inactive_file:6 isolated_file:0 [ 65.371530] unevictable:0 dirty:0 writeback:5 unstable:0 [ 65.371530] slab_reclaimable:4698 slab_unreclaimable:57966 [ 65.371530] mapped:2 shmem:48 pagetables:437 bounce:0 [ 65.371530] free:4478 free_pcp:0 free_cma:0 [ 65.404606] Node 0 active_anon:20736kB inactive_anon:164kB active_file:92kB inactive_file:24kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:20kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 65.427689] DMA32 free:15700kB min:4792kB low:7868kB high:10944kB active_anon:1228kB inactive_anon:20kB active_file:216kB inactive_file:176kB unevictable:0kB writepending:4kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:384kB pagetables:432kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 65.456016] lowmem_reserve[]: 0 3437 3437 [ 65.460236] Normal free:2212kB min:5480kB low:9000kB high:12520kB active_anon:19508kB inactive_anon:144kB active_file:124kB inactive_file:92kB unevictable:0kB writepending:16kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2784kB pagetables:1316kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 65.488931] lowmem_reserve[]: 0 0 0 [ 65.493315] DMA32: 77*4kB (UME) 51*8kB (ME) 39*16kB (ME) 33*32kB (ME) 24*64kB (ME) 12*128kB (ME) 8*256kB (ME) 3*512kB (UM) 5*1024kB (UME) 1*2048kB (E) 0*4096kB = 16220kB [ 65.509478] Normal: 60*4kB (UME) 35*8kB (UME) 24*16kB (UME) 12*32kB (UM) 9*64kB (UM) 1*128kB (M) 2*256kB (UM) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 2504kB [ 65.524221] 108 total pagecache pages [ 65.528030] 0 pages in swap cache [ 65.531493] Swap cache stats: add 0, delete 0, find 0/0 [ 65.536842] Free swap = 0kB [ 65.539850] Total swap = 0kB [ 65.543659] 1965979 pages RAM [ 65.546786] 0 pages HighMem/MovableOnly [ 65.550800] 315630 pages reserved [ 65.554251] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 65.563738] [ 191] 0 191 5385 187 16 3 0 -1000 udevd [ 65.572649] [ 278] 0 278 5365 171 15 3 0 -1000 udevd [ 65.582188] [ 279] 0 279 5365 170 15 3 0 -1000 udevd [ 65.590982] [ 1483] 0 1483 2493 572 9 4 0 0 dhclient [ 65.599998] [ 1624] 0 1624 14265 166 23 3 0 0 rsyslogd [ 65.609542] [ 1677] 0 1677 4725 51 15 3 0 0 cron [ 65.618703] [ 1697] 0 1697 3736 45 12 3 0 0 mcstransd [ 65.628546] [ 1707] 0 1707 12490 153 29 3 0 -1000 sshd [ 65.638068] [ 1717] 0 1717 12927 1232 28 3 0 0 restorecond [ 65.647391] [ 1755] 0 1755 3649 39 12 3 0 0 getty [ 65.657013] [ 1786] 0 1786 17821 197 37 3 0 0 sshd [ 65.665721] [ 1788] 0 1788 32811 1732 27 5 0 0 syz-execprog [ 65.675896] [ 1802] 0 1802 9361 16 5 2 0 0 syz-executor3 [ 65.685382] [ 1805] 0 1805 9361 15 5 2 0 0 syz-executor4 [ 65.695618] [ 1806] 0 1806 9360 21 6 3 0 0 syz-executor3 [ 65.705101] [ 1807] 0 1807 9361 16 5 2 0 0 syz-executor5 [ 65.715340] [ 1808] 0 1808 9361 16 5 2 0 0 syz-executor0 [ 65.724829] [ 1809] 0 1809 9360 22 6 3 0 0 syz-executor5 [ 65.735080] [ 1810] 0 1810 9361 16 5 2 0 0 syz-executor1 [ 65.744569] [ 1811] 0 1811 9360 22 6 3 0 0 syz-executor0 [ 65.755481] [ 1812] 0 1812 9360 21 6 3 0 0 syz-executor4 [ 65.764961] [ 1813] 0 1813 9360 21 6 3 0 0 syz-executor1 [ 65.775246] [ 4472] 0 4470 9393 26 10 4 0 1000 syz-executor2 [ 65.784738] [ 4473] 0 4471 9393 0 9 4 0 1000 syz-executor3 [ 65.794989] [ 4476] 0 4476 3649 41 13 3 0 0 getty [ 65.803789] [ 4477] 0 4477 3649 42 13 3 0 0 getty [ 65.813333] [ 4478] 0 4478 3649 42 13 3 0 0 getty [ 65.822122] [ 4479] 0 4479 3649 41 13 3 0 0 getty [ 65.831630] [ 4480] 0 4480 3649 43 13 3 0 0 getty [ 65.840422] [ 4481] 0 4481 3649 44 13 3 0 0 getty [ 65.849185] [ 4484] 0 4483 9393 27 9 4 0 1000 syz-executor0 [ 65.859428] [ 4487] 0 4486 9393 26 9 4 0 1000 syz-executor4 [ 65.868915] [ 4489] 0 4489 9393 21 9 4 0 1000 syz-executor1 [ 65.879191] [ 4492] 0 4492 9393 22 9 4 0 1000 syz-executor5 [ 65.889401] Out of memory: Kill process 4470 (syz-executor2) score 999 or sacrifice child [ 65.898553] Killed process 4472 (syz-executor2) total-vm:37572kB, anon-rss:104kB, file-rss:0kB, shmem-rss:0kB [ 65.920976] oom_reaper: reaped process 4472 (syz-executor2), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 65.935217] syz-executor2 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=1000 [ 65.949648] CPU: 1 PID: 4472 Comm: syz-executor2 Not tainted 4.14.75+ #18 [ 65.956587] Call Trace: [ 65.959179] dump_stack+0xb9/0x11b [ 65.962723] dump_header+0x17d/0x7a8 [ 65.966444] ? trace_hardirqs_on_caller+0x381/0x520 [ 65.971461] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 65.976592] ? ___ratelimit+0x4f/0x3f0 [ 65.980483] oom_kill_process.cold.8+0x10/0xc88 [ 65.985155] ? lock_downgrade+0x560/0x560 [ 65.989307] ? check_preemption_disabled+0x34/0x160 [ 65.994337] out_of_memory+0x669/0xa60 [ 65.998240] ? oom_killer_disable+0x1f0/0x1f0 [ 66.002763] __alloc_pages_nodemask+0x1949/0x2300 [ 66.007640] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 66.012480] ? retint_kernel+0x2d/0x2d [ 66.016361] ? trace_hardirqs_on_caller+0x381/0x520 [ 66.021383] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 66.026169] ? ___might_sleep+0x4b/0x270 [ 66.030248] __vmalloc_node_range+0x283/0x680 [ 66.034772] ? SyS_init_module+0x119/0x1e0 [ 66.039018] __vmalloc+0x63/0x80 [ 66.042395] ? SyS_init_module+0x119/0x1e0 [ 66.046626] SyS_init_module+0x119/0x1e0 [ 66.050711] ? load_module+0x9150/0x9150 [ 66.054792] ? do_syscall_64+0x43/0x4b0 [ 66.058773] ? load_module+0x9150/0x9150 [ 66.062835] do_syscall_64+0x19b/0x4b0 [ 66.066721] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 66.071897] RIP: 0033:0x457569 [ 66.075076] RSP: 002b:00007fc8e260ec78 EFLAGS: 00000246 ORIG_RAX: 00000000000000af [ 66.082778] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457569 [ 66.090066] RDX: 0000000020000080 RSI: 00000000fffffe25 RDI: 0000000020000100 [ 66.097324] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 66.104582] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8e260f6d4 [ 66.111842] R13: 00000000004bdd87 R14: 00000000004ce290 R15: 00000000ffffffff [ 66.124718] Mem-Info: [ 66.127162] active_anon:5143 inactive_anon:41 isolated_anon:0 [ 66.127162] active_file:4 inactive_file:26 isolated_file:0 [ 66.127162] unevictable:0 dirty:0 writeback:0 unstable:0 [ 66.127162] slab_reclaimable:4698 slab_unreclaimable:57966 [ 66.127162] mapped:2 shmem:48 pagetables:437 bounce:0 [ 66.127162] free:6181 free_pcp:212 free_cma:0 [ 66.171509] Node 0 active_anon:20572kB inactive_anon:164kB active_file:108kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 66.210070] DMA32 free:18124kB min:4792kB low:7868kB high:10944kB active_anon:1136kB inactive_anon:20kB active_file:44kB inactive_file:8kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:384kB pagetables:432kB bounce:0kB free_pcp:252kB local_pcp:0kB free_cma:0kB [ 66.260192] lowmem_reserve[]: 0 3437 3437 [ 66.290356] Normal free:2504kB min:5480kB low:9000kB high:12520kB active_anon:19436kB inactive_anon:144kB active_file:72kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2784kB pagetables:1316kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 66.339767] lowmem_reserve[]: 0 0 0 [ 66.343552] DMA32: 120*4kB (UME) 114*8kB (UME) 83*16kB (UME) 184*32kB (UME) 109*64kB (UME) 13*128kB (UME) 10*256kB (UME) 6*512kB (UM) 6*1024kB (UME) 1*2048kB (E) 0*4096kB = 31072kB [ 66.360077] Normal: 72*4kB (UM) 34*8kB (UM) 22*16kB (UM) 11*32kB (UM) 8*64kB (UM) 0*128kB 3*256kB (UM) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 2544kB [ 66.373603] 232 total pagecache pages [ 66.377581] 0 pages in swap cache [ 66.382406] Swap cache stats: add 0, delete 0, find 0/0 [ 66.387874] Free swap = 0kB [ 66.391006] Total swap = 0kB [ 66.394103] 1965979 pages RAM [ 66.397306] 0 pages HighMem/MovableOnly [ 66.401418] 315630 pages reserved [ 66.404943] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 66.413718] [ 191] 0 191 5385 187 16 3 0 -1000 udevd [ 66.422582] [ 278] 0 278 5365 171 15 3 0 -1000 udevd [ 66.431436] [ 279] 0 279 5365 170 15 3 0 -1000 udevd [ 66.440324] [ 1483] 0 1483 2493 572 9 4 0 0 dhclient [ 66.449422] [ 1624] 0 1624 14265 166 23 3 0 0 rsyslogd [ 66.473344] [ 1677] 0 1677 4725 51 15 3 0 0 cron [ 66.499211] [ 1697] 0 1697 3736 45 12 3 0 0 mcstransd [ 66.517475] [ 1707] 0 1707 12490 153 29 3 0 -1000 sshd [ 66.526191] [ 1717] 0 1717 12927 1232 28 3 0 0 restorecond [ 66.539288] [ 1755] 0 1755 3649 39 12 3 0 0 getty [ 66.548080] [ 1786] 0 1786 17821 197 37 3 0 0 sshd [ 66.558106] [ 1788] 0 1788 32811 1732 27 5 0 0 syz-execprog [ 66.567506] [ 1802] 0 1802 9361 16 5 2 0 0 syz-executor3 [ 66.581422] [ 1805] 0 1805 9361 15 5 2 0 0 syz-executor4 [ 66.593729] [ 1806] 0 1806 9360 21 6 3 0 0 syz-executor3 [ 66.613953] [ 1807] 0 1807 9361 16 5 2 0 0 syz-executor5 [ 66.625594] [ 1808] 0 1808 9361 16 5 2 0 0 syz-executor0 [ 66.637668] [ 1809] 0 1809 9360 22 6 3 0 0 syz-executor5 [ 66.648411] [ 1810] 0 1810 9361 16 5 2 0 0 syz-executor1 [ 66.685135] [ 1811] 0 1811 9360 22 6 3 0 0 syz-executor0 [ 66.695525] [ 1812] 0 1812 9360 21 6 3 0 0 syz-executor4 [ 66.707522] [ 1813] 0 1813 9360 21 6 3 0 0 syz-executor1 [ 66.719720] [ 4472] 0 4470 9393 0 10 4 0 1000 syz-executor2 [ 66.743752] [ 4473] 0 4471 9393 0 9 4 0 1000 syz-executor3 [ 66.785210] [ 4476] 0 4476 3649 41 13 3 0 0 getty [ 66.813838] [ 4477] 0 4477 3649 42 13 3 0 0 getty [ 66.831596] [ 4478] 0 4478 3649 42 13 3 0 0 getty [ 66.840498] [ 4479] 0 4479 3649 41 13 3 0 0 getty [ 66.849348] [ 4480] 0 4480 3649 43 13 3 0 0 getty [ 66.858613] [ 4481] 0 4481 3649 44 13 3 0 0 getty [ 66.867492] [ 4484] 0 4483 9393 27 9 4 0 1000 syz-executor0 [ 66.877403] [ 4487] 0 4486 9393 26 9 4 0 1000 syz-executor4 [ 66.899154] [ 4490] 0 4489 9393 26 9 4 0 1000 syz-executor1 [ 66.909491] [ 4493] 0 4492 9393 27 9 4 0 1000 syz-executor5 [ 66.919640] Out of memory: Kill process 4483 (syz-executor0) score 999 or sacrifice child [ 66.928232] Killed process 4484 (syz-executor0) total-vm:37572kB, anon-rss:108kB, file-rss:0kB, shmem-rss:0kB [ 66.939925] oom_reaper: reaped process 4484 (syz-executor0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 67.196445] oom_reaper: reaped process 4493 (syz-executor5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 67.260166] oom_reaper: reaped process 4487 (syz-executor4), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 68.270704] oom_reaper: reaped process 4490 (syz-executor1), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 68.321688] rsyslogd invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 68.370054] CPU: 1 PID: 1627 Comm: rsyslogd Not tainted 4.14.75+ #18 [ 68.376575] Call Trace: [ 68.379174] dump_stack+0xb9/0x11b [ 68.383216] dump_header+0x17d/0x7a8 [ 68.386932] ? trace_hardirqs_on_caller+0x381/0x520 [ 68.391946] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 68.397049] ? ___ratelimit+0x4f/0x3f0 [ 68.400962] oom_kill_process.cold.8+0x10/0xc88 [ 68.405640] ? lock_downgrade+0x560/0x560 [ 68.409820] ? check_preemption_disabled+0x34/0x160 [ 68.414841] out_of_memory+0x669/0xa60 [ 68.418748] ? oom_killer_disable+0x1f0/0x1f0 [ 68.423287] __alloc_pages_nodemask+0x1949/0x2300 [ 68.428148] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 68.432990] ? find_get_entry+0x118/0x550 [ 68.437167] ? __radix_tree_lookup+0x220/0x220 [ 68.441746] ? check_preemption_disabled+0x34/0x160 [ 68.446802] ? find_get_entry+0x13f/0x550 [ 68.450955] ? pagecache_get_page+0x129/0x770 [ 68.455451] filemap_fault+0xcdd/0x14a0 [ 68.459449] ext4_filemap_fault+0x7d/0xb0 [ 68.463596] __do_fault+0x80/0x210 [ 68.467139] __handle_mm_fault+0xe04/0x23a0 [ 68.471464] ? SyS_read+0x158/0x1a0 [ 68.475087] ? vm_insert_page+0x6d0/0x6d0 [ 68.479233] ? __fsnotify_parent+0xb1/0x300 [ 68.483566] ? check_preemption_disabled+0x34/0x160 [ 68.488597] handle_mm_fault+0x2f2/0x6eb [ 68.492681] __do_page_fault+0x45d/0xb60 [ 68.496748] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 68.502124] ? bad_area_access_error+0x330/0x330 [ 68.506880] ? page_fault+0x2c/0x50 [ 68.510501] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 68.515341] ? page_fault+0x2c/0x50 [ 68.518963] page_fault+0x42/0x50 [ 68.522411] RIP: a41039c0:0x7f9fa71a8040 [ 68.526467] RSP: 125b4b0:0000000000000000 EFLAGS: 0065e420 [ 68.990051] Mem-Info: [ 68.998355] active_anon:5097 inactive_anon:41 isolated_anon:0 [ 68.998355] active_file:28 inactive_file:8 isolated_file:0 [ 68.998355] unevictable:0 dirty:0 writeback:0 unstable:0 [ 68.998355] slab_reclaimable:4722 slab_unreclaimable:58085 [ 68.998355] mapped:5 shmem:48 pagetables:437 bounce:0 [ 68.998355] free:19141 free_pcp:469 free_cma:0 [ 69.120068] Node 0 active_anon:20328kB inactive_anon:164kB active_file:56kB inactive_file:448kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:228kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 69.180105] DMA32 free:159316kB min:4792kB low:7868kB high:10944kB active_anon:988kB inactive_anon:20kB active_file:20kB inactive_file:412kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:320kB pagetables:432kB bounce:0kB free_pcp:1276kB local_pcp:620kB free_cma:0kB [ 69.250045] lowmem_reserve[]: 0 3437 3437 [ 69.254244] Normal free:8100kB min:5480kB low:9000kB high:12520kB active_anon:19340kB inactive_anon:144kB active_file:36kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2784kB pagetables:1316kB bounce:0kB free_pcp:1028kB local_pcp:628kB free_cma:0kB [ 69.360073] lowmem_reserve[]: 0 0 0 [ 69.363777] DMA32: 6*4kB (UME) 21*8kB (UME) 212*16kB (UME) 992*32kB (UME) 2471*64kB (UME) 372*128kB (UME) 128*256kB (UME) 18*512kB (UM) 7*1024kB (UME) 1*2048kB (E) 0*4096kB = 292288kB [ 69.420047] Normal: 69*4kB (ME) 50*8kB (ME) 24*16kB (ME) 12*32kB (UMEH) 9*64kB (UMEH) 4*128kB (UE) 5*256kB (UMEH) 4*512kB (U) 1*1024kB (U) 1*2048kB (H) 0*4096kB = 8932kB [ 69.460053] 182 total pagecache pages [ 69.463872] 0 pages in swap cache [ 69.467314] Swap cache stats: add 0, delete 0, find 0/0 [ 69.500046] Free swap = 0kB [ 69.503077] Total swap = 0kB [ 69.506085] 1965979 pages RAM [ 69.509181] 0 pages HighMem/MovableOnly [ 69.540045] 315630 pages reserved [ 69.544283] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 69.575807] [ 191] 0 191 5385 187 16 3 0 -1000 udevd [ 69.600052] [ 278] 0 278 5365 171 15 3 0 -1000 udevd [ 69.608825] [ 279] 0 279 5365 170 15 3 0 -1000 udevd [ 69.630053] [ 1483] 0 1483 2493 572 9 4 0 0 dhclient [ 69.639069] [ 1624] 0 1624 14265 167 23 3 0 0 rsyslogd [ 69.670052] [ 1677] 0 1677 4725 51 15 3 0 0 cron [ 69.678723] [ 1697] 0 1697 3736 45 12 3 0 0 mcstransd [ 69.710054] [ 1707] 0 1707 12490 153 29 3 0 -1000 sshd [ 69.718737] [ 1717] 0 1717 12927 1232 28 3 0 0 restorecond [ 69.770056] [ 1755] 0 1755 3649 39 12 3 0 0 getty [ 69.778844] [ 1786] 0 1786 17821 197 37 3 0 0 sshd [ 69.830719] [ 1788] 0 1788 32811 1732 27 5 0 0 syz-execprog [ 69.860062] [ 1802] 0 1802 9361 16 5 2 0 0 syz-executor3 [ 69.869529] [ 1805] 0 1805 9361 15 5 2 0 0 syz-executor4 [ 69.910051] [ 1806] 0 1806 9360 21 6 3 0 0 syz-executor3 [ 69.919537] [ 1807] 0 1807 9361 16 5 2 0 0 syz-executor5 [ 69.970053] [ 1808] 0 1808 9361 16 5 2 0 0 syz-executor0 [ 69.979532] [ 1809] 0 1809 9360 22 6 3 0 0 syz-executor5 [ 70.000055] [ 1810] 0 1810 9361 16 5 2 0 0 syz-executor1 [ 70.009503] [ 1811] 0 1811 9360 22 6 3 0 0 syz-executor0 [ 70.040062] [ 1812] 0 1812 9360 21 6 3 0 0 syz-executor4 [ 70.049523] [ 1813] 0 1813 9360 21 6 3 0 0 syz-executor1 [ 70.080053] [ 4472] 0 4470 9393 0 10 4 0 1000 syz-executor2 [ 70.089518] [ 4476] 0 4476 3649 41 13 3 0 0 getty [ 70.120050] [ 4477] 0 4477 3649 42 13 3 0 0 getty [ 70.128821] [ 4478] 0 4478 3649 42 13 3 0 0 getty [ 70.150054] [ 4479] 0 4479 3649 41 13 3 0 0 getty [ 70.158831] [ 4480] 0 4480 3649 43 13 3 0 0 getty [ 70.190051] [ 4481] 0 4481 3649 44 13 3 0 0 getty [ 70.198810] [ 4484] 0 4483 9393 0 9 4 0 1000 syz-executor0 [ 70.220052] [ 4490] 0 4489 9393 0 9 4 0 1000 syz-executor1 [ 70.229499] Out of memory: Kill process 1788 (syz-execprog) score 1 or sacrifice child [ 70.260110] Killed process 1802 (syz-executor3) total-vm:37444kB, anon-rss:64kB, file-rss:0kB, shmem-rss:0kB 2018/10/12 19:51:33 executed programs: 12 2018/10/12 19:51:33 result: failed=false hanged=false err=executor 3: exit status -1 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported Error: argument "bridge0" is wrong: Device does not exist Error: argument "bridge0" is wrong: Device does not exist Cannot find device "veth0_to_bridge" Cannot find device "veth1_to_bridge" RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported Error: argument "bond0" is wrong: Device does not exist Error: argument "bond0" is wrong: Device does not exist Cannot find device "veth0_to_bond" Cannot find device "veth1_to_bond" RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported Error: argument "team0" is wrong: Device does not exist Error: argument "team0" is wrong: Device does not exist Cannot find device "veth0_to_team" Cannot find device "veth1_to_team" Cannot find device "bridge_slave_0" Cannot find device "bridge_slave_1" RTNETLINK answers: Operation not supported Cannot find device "bridge0" Cannot find device "bridge0" Cannot find device "bridge0" Cannot find device "bridge0" Cannot find device "vcan0" Cannot find device "vcan0" Cannot find device "vcan0" Cannot find device "vcan0" Cannot find device "tunl0" Cannot find device "tunl0" Cannot find device "tunl0" Cannot find device "tunl0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "gretap0" RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument Cannot find device "ip6gre0" Cannot find device "ip6gre0" Cannot find device "ip6gre0" Cannot find device "ip6gre0" Cannot find device "ip6gretap0" Cannot find device "ip6gretap0" Cannot find device "ip6gretap0" Cannot find device "ip6gretap0" Cannot find device "erspan0" Cannot find device "erspan0" Cannot find device "erspan0" Cannot find device "erspan0" Cannot find device "bond0" Cannot find device "bond0" Cannot find device "bond0" Cannot find device "bond0" Cannot find device "veth0" Cannot find device "veth0" Cannot find device "veth0" Cannot find device "veth0" Cannot find device "veth1" Cannot find device "veth1" Cannot find device "veth1" Cannot find device "veth1" Cannot find device "team0" Cannot find device "team0" Cannot find device "team0" Cannot find device "team0" Cannot find device "veth0_to_bridge" Cannot find device "veth0_to_bridge" Cannot find device "veth0_to_bridge" Cannot find device "veth0_to_bridge" Cannot find device "veth1_to_bridge" Cannot find device "veth1_to_bridge" Cannot find device "veth1_to_bridge" Cannot find device "veth1_to_bridge" Cannot find device "veth0_to_bond" Cannot find device "veth0_to_bond" Cannot find device "veth0_to_bond" Cannot find device "veth0_to_bond" Cannot find device "veth1_to_bond" Cannot find device "veth1_to_bond" Cannot find device "veth1_to_bond" Cannot find device "veth1_to_bond" Cannot find device "veth0_to_team" Cannot find device "veth0_to_team" Cannot find device "veth0_to_team" Cannot find device "veth0_to_team" Cannot find device "veth1_to_team" Cannot find device "veth1_to_team" Cannot find device "veth1_to_team" Cannot find device "veth1_to_team" [ 71.337102] oom_reaper: reaped process 4503 (syz-executor0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 71.377121] rsyslogd invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 71.419898] CPU: 0 PID: 1627 Comm: rsyslogd Not tainted 4.14.75+ #18 [ 71.426395] Call Trace: [ 71.428980] dump_stack+0xb9/0x11b [ 71.432521] dump_header+0x17d/0x7a8 [ 71.436228] ? trace_hardirqs_on_caller+0x381/0x520 [ 71.441236] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 71.446332] ? ___ratelimit+0x4f/0x3f0 [ 71.450223] oom_kill_process.cold.8+0x10/0xc88 [ 71.454913] ? lock_downgrade+0x560/0x560 [ 71.459060] ? check_preemption_disabled+0x34/0x160 [ 71.464099] out_of_memory+0x669/0xa60 [ 71.467993] ? oom_killer_disable+0x1f0/0x1f0 [ 71.472507] __alloc_pages_nodemask+0x1949/0x2300 [ 71.477394] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 71.482247] ? find_get_entry+0x118/0x550 [ 71.486399] ? check_preemption_disabled+0x34/0x160 [ 71.491443] ? check_preemption_disabled+0x34/0x160 [ 71.496466] ? find_get_entry+0x13f/0x550 [ 71.500621] ? pagecache_get_page+0x129/0x770 [ 71.505118] filemap_fault+0xcdd/0x14a0 [ 71.509108] ext4_filemap_fault+0x7d/0xb0 [ 71.513293] __do_fault+0x80/0x210 [ 71.516829] __handle_mm_fault+0xe04/0x23a0 [ 71.521155] ? SyS_read+0x158/0x1a0 [ 71.524801] ? vm_insert_page+0x6d0/0x6d0 [ 71.528947] ? __fsnotify_parent+0xb1/0x300 [ 71.533290] ? check_preemption_disabled+0x34/0x160 [ 71.538324] handle_mm_fault+0x2f2/0x6eb [ 71.542389] __do_page_fault+0x45d/0xb60 [ 71.546450] ? retint_user+0x18/0x18 [ 71.550161] ? bad_area_access_error+0x330/0x330 [ 71.554914] ? page_fault+0x2c/0x50 [ 71.558532] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 71.563387] ? page_fault+0x2c/0x50 [ 71.567016] page_fault+0x42/0x50 [ 71.570465] RIP: a41039c0:0x7f9fa71a8040 [ 71.574532] RSP: 125b4b0:0000000000000000 EFLAGS: 0065e420 [ 71.641457] Mem-Info: [ 71.652471] active_anon:5190 inactive_anon:41 isolated_anon:0 [ 71.652471] active_file:20 inactive_file:0 isolated_file:0 [ 71.652471] unevictable:0 dirty:20 writeback:0 unstable:0 [ 71.652471] slab_reclaimable:4783 slab_unreclaimable:57690 [ 71.652471] mapped:5 shmem:48 pagetables:442 bounce:0 [ 71.652471] free:6456 free_pcp:514 free_cma:0 [ 71.684663] Node 0 active_anon:20760kB inactive_anon:164kB active_file:80kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:20kB dirty:80kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 71.733233] DMA32 free:17976kB min:4792kB low:7868kB high:10944kB active_anon:916kB inactive_anon:12kB active_file:332kB inactive_file:88kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:224kB pagetables:344kB bounce:0kB free_pcp:348kB local_pcp:240kB free_cma:0kB [ 71.872505] lowmem_reserve[]: 0 3437 3437 [ 71.903537] Normal free:3816kB min:5480kB low:9000kB high:12520kB active_anon:19844kB inactive_anon:152kB active_file:564kB inactive_file:12kB unevictable:0kB writepending:80kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2912kB pagetables:1424kB bounce:0kB free_pcp:424kB local_pcp:0kB free_cma:0kB [ 71.903540] lowmem_reserve[]: 0 0 0 [ 71.903568] DMA32: 22*4kB (UME) 24*8kB (UME) 25*16kB (UME) 30*32kB (UME) 30*64kB (UME) 18*128kB (UME) 17*256kB (UME) 2*512kB (UM) 6*1024kB (ME) 1*2048kB (E) 0*4096kB = 19432kB [ 71.903623] Normal: 0*4kB 0*8kB 1*16kB (H) 0*32kB 1*64kB (H) 1*128kB (H) 1*256kB (H) 1*512kB (H) 1*1024kB (H) 1*2048kB (H) 0*4096kB = 4048kB [ 71.903677] 133 total pagecache pages [ 71.903687] 0 pages in swap cache [ 71.903692] Swap cache stats: add 0, delete 0, find 0/0 [ 71.903695] Free swap = 0kB [ 71.903697] Total swap = 0kB [ 71.903701] 1965979 pages RAM [ 71.903703] 0 pages HighMem/MovableOnly [ 71.903706] 315630 pages reserved [ 71.903709] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 71.903730] [ 191] 0 191 5385 187 16 3 0 -1000 udevd [ 71.903742] [ 278] 0 278 5365 171 15 3 0 -1000 udevd [ 71.903753] [ 279] 0 279 5365 170 15 3 0 -1000 udevd [ 71.903795] [ 1483] 0 1483 2493 572 9 4 0 0 dhclient [ 71.903807] [ 1624] 0 1624 14265 167 23 3 0 0 rsyslogd [ 71.903818] [ 1677] 0 1677 4725 51 15 3 0 0 cron [ 71.903829] [ 1697] 0 1697 3736 45 12 3 0 0 mcstransd [ 71.903840] [ 1707] 0 1707 12490 153 29 3 0 -1000 sshd [ 71.903852] [ 1717] 0 1717 12927 1232 28 3 0 0 restorecond [ 71.903863] [ 1755] 0 1755 3649 39 12 3 0 0 getty [ 71.903874] [ 1786] 0 1786 17821 198 37 3 0 0 sshd [ 71.903886] [ 1788] 0 1788 32811 1734 27 5 0 0 syz-execprog [ 71.903900] [ 1805] 0 1805 9361 15 5 2 0 0 syz-executor4 [ 71.903912] [ 1807] 0 1807 9361 16 5 2 0 0 syz-executor5 [ 71.903923] [ 1808] 0 1808 9361 16 5 2 0 0 syz-executor0 [ 71.903934] [ 1809] 0 1809 9360 22 6 3 0 0 syz-executor5 [ 71.903946] [ 1810] 0 1810 9361 16 5 2 0 0 syz-executor1 [ 71.903956] [ 1811] 0 1811 9360 22 6 3 0 0 syz-executor0 Connection to 10.128.0.89 closed by remote host.