[....] Starting OpenBSD Secure Shell server: sshd[ 10.820945] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 36.214347] random: sshd: uninitialized urandom read (32 bytes read) [ 36.457459] audit: type=1400 audit(1539284366.672:6): avc: denied { map } for pid=1776 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 [ 36.503718] random: sshd: uninitialized urandom read (32 bytes read) [ 37.000260] random: sshd: uninitialized urandom read (32 bytes read) [ 105.965301] random: sshd: uninitialized urandom read (32 bytes read) INIT: Id "2" respawning too fast: disabled for 5 minutes INIT: Id "6" respawning too fast: disabled for 5 minutes INIT: Id "4" respawning too fast: disabled for 5 minutes INIT: Id "1" respawning too fast: disabled for 5 minutes INIT: Id "3" respawning too fast: disabled for 5 minutes INIT: Id "5" respawning too fast: disabled for 5 minutes Warning: Permanently added '10.128.10.53' (ECDSA) to the list of known hosts. [ 111.627742] random: sshd: uninitialized urandom read (32 bytes read) [ 111.720424] audit: type=1400 audit(1539284441.942:7): avc: denied { map } for pid=1830 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 2018/10/11 19:00:42 parsed 1 programs [ 112.246565] audit: type=1400 audit(1539284442.462:8): avc: denied { map } for pid=1830 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 [ 112.926334] random: cc1: uninitialized urandom read (8 bytes read) 2018/10/11 19:00:44 executed programs: 0 [ 114.234290] audit: type=1400 audit(1539284444.452:9): avc: denied { map } for pid=1830 comm="syz-execprog" path="/root/syzkaller-shm813292475" 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 [ 119.948255] audit: type=1400 audit(1539284450.162:10): avc: denied { module_load } for pid=4283 comm="syz-executor2" 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 [ 122.592061] oom_reaper: reaped process 4411 (syz-executor4), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 122.603928] oom_reaper: reaped process 4352 (syz-executor3), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 122.618188] syz-executor4 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=1000 [ 122.634054] CPU: 1 PID: 4375 Comm: syz-executor4 Not tainted 4.14.75+ #18 [ 122.640984] Call Trace: [ 122.643551] dump_stack+0xb9/0x11b [ 122.647068] dump_header+0x17d/0x7a8 [ 122.650766] ? trace_hardirqs_on_caller+0x381/0x520 [ 122.655769] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 122.660846] ? ___ratelimit+0x4f/0x3f0 [ 122.664709] oom_kill_process.cold.8+0x10/0xc88 [ 122.669353] ? lock_downgrade+0x560/0x560 [ 122.673480] ? check_preemption_disabled+0x34/0x160 [ 122.678475] out_of_memory+0x669/0xa60 [ 122.682342] ? oom_killer_disable+0x1f0/0x1f0 [ 122.686817] __alloc_pages_nodemask+0x1949/0x2300 [ 122.691662] ? retint_kernel+0x2d/0x2d [ 122.695537] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 122.700360] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 122.705108] ? retint_kernel+0x2d/0x2d [ 122.708979] ? ___might_sleep+0x67/0x270 [ 122.713023] __vmalloc_node_range+0x283/0x680 [ 122.717501] ? SyS_init_module+0x119/0x1e0 [ 122.721712] __vmalloc+0x63/0x80 [ 122.725054] ? SyS_init_module+0x119/0x1e0 [ 122.729269] SyS_init_module+0x119/0x1e0 [ 122.733309] ? load_module+0x9150/0x9150 [ 122.737364] ? do_syscall_64+0x43/0x4b0 [ 122.741324] ? load_module+0x9150/0x9150 [ 122.745372] do_syscall_64+0x19b/0x4b0 [ 122.749242] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 122.754435] RIP: 0033:0x457519 [ 122.757603] RSP: 002b:00007f2ad4bafc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000af [ 122.765289] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457519 [ 122.772539] RDX: 00000000200000c0 RSI: 00000000fffffc2f RDI: 0000000020000140 [ 122.779787] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 122.787031] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2ad4bb06d4 [ 122.794280] R13: 00000000004bdd3a R14: 00000000004ce230 R15: 00000000ffffffff [ 122.804853] Mem-Info: [ 122.807283] active_anon:5004 inactive_anon:41 isolated_anon:0 [ 122.807283] active_file:30 inactive_file:24 isolated_file:0 [ 122.807283] unevictable:0 dirty:6 writeback:0 unstable:0 [ 122.807283] slab_reclaimable:4591 slab_unreclaimable:58283 [ 122.807283] mapped:2 shmem:48 pagetables:396 bounce:0 [ 122.807283] free:4520 free_pcp:0 free_cma:0 [ 122.843686] Node 0 active_anon:20016kB inactive_anon:164kB active_file:156kB inactive_file:80kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:24kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 122.870154] DMA32 free:15712kB min:4792kB low:7868kB high:10944kB active_anon:508kB inactive_anon:8kB active_file:0kB inactive_file:12kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:256kB pagetables:180kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 122.901204] lowmem_reserve[]: 0 3437 3437 [ 122.905385] Normal free:2368kB min:5480kB low:9000kB high:12520kB active_anon:19508kB inactive_anon:156kB active_file:240kB inactive_file:0kB unevictable:0kB writepending:24kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2880kB pagetables:1404kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 122.951456] lowmem_reserve[]: 0 0 0 [ 122.955108] DMA32: 38*4kB (UM) 23*8kB (UME) 7*16kB (UME) 3*32kB (ME) 3*64kB (ME) 3*128kB (UME) 3*256kB (UME) 3*512kB (UME) 2*1024kB (UE) 3*2048kB (UME) 1*4096kB (M) = 15712kB [ 122.980047] Normal: 174*4kB (ME) 75*8kB (M) 37*16kB (UM) 15*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 2368kB [ 123.032222] 109 total pagecache pages [ 123.036056] 0 pages in swap cache [ 123.039493] Swap cache stats: add 0, delete 0, find 0/0 [ 123.073561] Free swap = 0kB [ 123.076599] Total swap = 0kB [ 123.079604] 1965979 pages RAM [ 123.105228] 0 pages HighMem/MovableOnly [ 123.109223] 315630 pages reserved [ 123.133190] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 123.165346] [ 191] 0 191 5385 184 17 3 0 -1000 udevd [ 123.204535] [ 298] 0 298 5384 184 15 3 0 -1000 udevd [ 123.223760] [ 299] 0 299 5384 183 15 3 0 -1000 udevd [ 123.254564] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 123.283695] [ 1630] 0 1630 30622 109 25 3 0 0 rsyslogd [ 123.314370] [ 1684] 0 1684 4725 51 15 3 0 0 cron [ 123.343890] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 123.373754] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 123.414585] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 123.445814] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 123.473879] [ 1828] 0 1828 17821 196 39 3 0 0 sshd [ 123.504458] [ 1830] 0 1830 32811 1735 27 5 0 0 syz-execprog [ 123.544412] [ 1841] 0 1841 9361 16 5 2 0 0 syz-executor2 [ 123.574537] [ 1844] 0 1844 9361 16 5 2 0 0 syz-executor3 [ 123.604632] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 123.634520] [ 1846] 0 1846 9361 17 6 3 0 0 syz-executor2 [ 123.675147] [ 1847] 0 1847 9361 16 6 3 0 0 syz-executor3 [ 123.715059] [ 1848] 0 1848 9361 16 5 2 0 0 syz-executor5 [ 123.754541] [ 1849] 0 1849 9361 15 6 3 0 0 syz-executor4 [ 123.784652] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 123.825246] [ 1851] 0 1851 9361 17 6 3 0 0 syz-executor5 [ 123.853774] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 123.884571] [ 1853] 0 1853 9361 15 5 2 0 0 syz-executor1 [ 123.924526] [ 1854] 0 1854 9361 15 5 2 0 0 syz-executor0 [ 123.983745] [ 4287] 0 4283 9427 28 9 4 0 1000 syz-executor2 [ 124.049948] [ 4352] 0 4350 9427 0 9 4 0 1000 syz-executor3 [ 124.087909] [ 4375] 0 4371 9427 0 9 4 0 1000 syz-executor4 [ 124.119221] [ 4430] 0 4427 9427 98 9 4 0 1000 syz-executor5 [ 124.138801] [ 4437] 0 4437 1050 17 8 3 0 0 sh [ 124.173228] [ 4439] 0 4439 2135 117 10 3 0 0 ip [ 124.199354] [ 4442] 0 4442 9361 15 5 2 0 0 syz-executor1 [ 124.253081] Out of memory: Kill process 4283 (syz-executor2) score 999 or sacrifice child [ 124.292559] Killed process 4287 (syz-executor2) total-vm:37708kB, anon-rss:112kB, file-rss:0kB, shmem-rss:0kB [ 124.324447] oom_reaper: reaped process 4287 (syz-executor2), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 124.546577] oom_reaper: reaped process 4440 (syz-executor5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 124.618870] modprobe invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 124.671302] CPU: 0 PID: 4444 Comm: modprobe Not tainted 4.14.75+ #18 [ 124.677819] Call Trace: [ 124.680402] dump_stack+0xb9/0x11b [ 124.683946] dump_header+0x17d/0x7a8 [ 124.687659] ? trace_hardirqs_on_caller+0x381/0x520 [ 124.692669] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 124.697767] ? ___ratelimit+0x4f/0x3f0 [ 124.701655] oom_kill_process.cold.8+0x10/0xc88 [ 124.706317] ? lock_downgrade+0x560/0x560 [ 124.710461] ? check_preemption_disabled+0x34/0x160 [ 124.715477] out_of_memory+0x669/0xa60 [ 124.719364] ? oom_killer_disable+0x1f0/0x1f0 [ 124.723860] __alloc_pages_nodemask+0x1949/0x2300 [ 124.728730] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 124.733823] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 124.738656] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 124.743751] ? debug_check_no_obj_freed+0x2b2/0x77c [ 124.748772] ? __lock_acquire+0x619/0x4320 [ 124.753027] ? trace_hardirqs_on+0x10/0x10 [ 124.757259] __handle_mm_fault+0x53f/0x23a0 [ 124.761574] ? vm_insert_page+0x6d0/0x6d0 [ 124.765715] ? putname+0xcf/0x100 [ 124.769177] ? check_preemption_disabled+0x34/0x160 [ 124.774194] handle_mm_fault+0x2f2/0x6eb [ 124.778247] __do_page_fault+0x45d/0xb60 [ 124.782301] ? retint_user+0x18/0x18 [ 124.786003] ? bad_area_access_error+0x330/0x330 [ 124.790747] ? page_fault+0x2c/0x50 [ 124.794364] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 124.799202] ? page_fault+0x2c/0x50 [ 124.802822] page_fault+0x42/0x50 [ 124.806261] RIP: 0000: (null) [ 124.810135] RSP: 20c63340:00007ffc20c63330 EFLAGS: 00000000 [ 125.247144] Mem-Info: [ 125.292589] active_anon:4962 inactive_anon:41 isolated_anon:0 [ 125.292589] active_file:89 inactive_file:139 isolated_file:0 [ 125.292589] unevictable:0 dirty:0 writeback:0 unstable:0 [ 125.292589] slab_reclaimable:4633 slab_unreclaimable:58099 [ 125.292589] mapped:71 shmem:48 pagetables:389 bounce:0 [ 125.292589] free:8421 free_pcp:226 free_cma:0 [ 125.420067] Node 0 active_anon:19848kB inactive_anon:164kB active_file:684kB inactive_file:1160kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 125.520075] DMA32 free:15640kB min:4792kB low:7868kB high:10944kB active_anon:332kB inactive_anon:8kB active_file:136kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:224kB pagetables:136kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 125.630054] lowmem_reserve[]: 0 3437 3437 [ 125.634256] Normal free:33804kB min:5480kB low:9000kB high:12520kB active_anon:19416kB inactive_anon:156kB active_file:904kB inactive_file:800kB unevictable:0kB writepending:0kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2880kB pagetables:1420kB bounce:0kB free_pcp:1048kB local_pcp:620kB free_cma:0kB [ 125.740077] lowmem_reserve[]: 0 0 0 [ 125.743752] DMA32: 52*4kB (UM) 39*8kB (UME) 37*16kB (ME) 24*32kB (UME) 18*64kB (M) 10*128kB (UM) 3*256kB (UME) 3*512kB (UME) 3*1024kB (UME) 3*2048kB (UME) 0*4096kB = 15832kB [ 125.800482] Normal: 10*4kB (MEH) 77*8kB (UH) 171*16kB (UMEH) 163*32kB (UMH) 140*64kB (UH) 15*128kB (U) 20*256kB (U) 19*512kB (UM) 16*1024kB (U) 2*2048kB (UE) 0*4096kB = 54816kB [ 125.880074] 1236 total pagecache pages [ 125.884001] 0 pages in swap cache [ 125.887439] Swap cache stats: add 0, delete 0, find 0/0 [ 125.908060] Free swap = 0kB [ 125.920721] Total swap = 0kB [ 125.930472] 1965979 pages RAM [ 125.937238] 0 pages HighMem/MovableOnly [ 125.960274] 315630 pages reserved [ 125.963732] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 126.010137] [ 191] 0 191 5385 184 17 3 0 -1000 udevd [ 126.018973] [ 298] 0 298 5384 184 15 3 0 -1000 udevd [ 126.080142] [ 299] 0 299 5384 183 15 3 0 -1000 udevd [ 126.089247] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 126.121794] [ 1630] 0 1630 30622 161 25 3 0 0 rsyslogd [ 126.150678] [ 1684] 0 1684 4725 51 15 3 0 0 cron [ 126.159471] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 126.210084] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 126.230090] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 126.238762] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 126.290086] [ 1828] 0 1828 17821 196 39 3 0 0 sshd [ 126.316124] [ 1830] 0 1830 32811 1735 27 5 0 0 syz-execprog [ 126.350077] [ 1841] 0 1841 9361 16 5 2 0 0 syz-executor2 [ 126.359718] [ 1844] 0 1844 9361 16 5 2 0 0 syz-executor3 [ 126.394494] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 126.430081] [ 1846] 0 1846 9361 17 6 3 0 0 syz-executor2 [ 126.439548] [ 1847] 0 1847 9361 16 6 3 0 0 syz-executor3 [ 126.496966] [ 1848] 0 1848 9361 16 5 2 0 0 syz-executor5 [ 126.530077] [ 1849] 0 1849 9361 15 6 3 0 0 syz-executor4 [ 126.539542] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 126.590072] [ 1851] 0 1851 9361 20 6 3 0 0 syz-executor5 [ 126.599571] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 126.630057] [ 1853] 0 1853 9361 86 5 2 0 0 syz-executor1 [ 126.639541] [ 1854] 0 1854 9361 15 5 2 0 0 syz-executor0 [ 126.670054] [ 4287] 0 4283 9427 0 9 4 0 1000 syz-executor2 [ 126.679519] [ 4375] 0 4371 9427 0 9 4 0 1000 syz-executor4 [ 126.710060] [ 4430] 0 4427 9427 0 9 4 0 1000 syz-executor5 [ 126.719528] [ 4437] 0 4437 1050 17 8 3 0 0 sh [ 126.760089] [ 4439] 0 4439 2135 22 10 3 0 0 ip [ 126.768608] [ 4444] 0 4444 95 1 4 3 0 0 modprobe [ 126.820273] Out of memory: Kill process 1830 (syz-execprog) score 1 or sacrifice child [ 126.828614] Killed process 1841 (syz-executor2) total-vm:37444kB, anon-rss:64kB, file-rss:0kB, shmem-rss:0kB [ 126.882059] modprobe (4444) used greatest stack depth: 23584 bytes left 2018/10/11 19:00:57 executed programs: 6 [ 128.508851] syz-executor1 invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 128.551912] CPU: 0 PID: 1853 Comm: syz-executor1 Not tainted 4.14.75+ #18 [ 128.558860] Call Trace: [ 128.561454] dump_stack+0xb9/0x11b [ 128.564991] dump_header+0x17d/0x7a8 [ 128.568695] ? trace_hardirqs_on_caller+0x381/0x520 [ 128.573701] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 128.578796] ? ___ratelimit+0x4f/0x3f0 [ 128.582680] oom_kill_process.cold.8+0x10/0xc88 [ 128.587337] ? lock_downgrade+0x560/0x560 [ 128.591485] ? check_preemption_disabled+0x34/0x160 [ 128.596497] out_of_memory+0x669/0xa60 [ 128.600376] ? oom_killer_disable+0x1f0/0x1f0 [ 128.604871] __alloc_pages_nodemask+0x1949/0x2300 [ 128.609730] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 128.614567] ? find_get_entry+0x118/0x550 [ 128.618705] ? check_preemption_disabled+0x34/0x160 [ 128.623710] ? check_preemption_disabled+0x34/0x160 [ 128.628718] ? find_get_entry+0x13f/0x550 [ 128.632869] ? pagecache_get_page+0x129/0x770 [ 128.637367] filemap_fault+0xcdd/0x14a0 [ 128.641346] ext4_filemap_fault+0x7d/0xb0 [ 128.645487] __do_fault+0x80/0x210 [ 128.649029] __handle_mm_fault+0xe04/0x23a0 [ 128.653340] ? __might_fault+0x104/0x1b0 [ 128.657395] ? vm_insert_page+0x6d0/0x6d0 [ 128.661530] ? __might_fault+0xd4/0x1b0 [ 128.665515] ? check_preemption_disabled+0x34/0x160 [ 128.670522] handle_mm_fault+0x2f2/0x6eb [ 128.674573] __do_page_fault+0x45d/0xb60 [ 128.678626] ? retint_user+0x18/0x18 [ 128.682330] ? bad_area_access_error+0x330/0x330 [ 128.687085] ? page_fault+0x2c/0x50 [ 128.690702] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 128.695539] ? page_fault+0x2c/0x50 [ 128.699153] page_fault+0x42/0x50 [ 128.702595] RIP: 1f2b4: (null) [ 128.706553] RSP: 1f5ea:00000000000000fe EFLAGS: 00000001 [ 128.812121] Mem-Info: [ 128.820018] active_anon:4879 inactive_anon:41 isolated_anon:0 [ 128.820018] active_file:142 inactive_file:125 isolated_file:32 [ 128.820018] unevictable:0 dirty:1 writeback:5 unstable:0 [ 128.820018] slab_reclaimable:4751 slab_unreclaimable:57845 [ 128.820018] mapped:229 shmem:48 pagetables:352 bounce:0 [ 128.820018] free:4882 free_pcp:280 free_cma:0 [ 128.865834] Node 0 active_anon:19516kB inactive_anon:164kB active_file:144kB inactive_file:112kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:116kB dirty:4kB writeback:20kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 128.890228] DMA32 free:15500kB min:4792kB low:7868kB high:10944kB active_anon:88kB inactive_anon:8kB active_file:44kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:192kB pagetables:80kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 128.919628] lowmem_reserve[]: 0 3437 3437 [ 128.924224] Normal free:15776kB min:5480kB low:9000kB high:12520kB active_anon:19428kB inactive_anon:156kB active_file:236kB inactive_file:600kB unevictable:0kB writepending:24kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2816kB pagetables:1328kB bounce:0kB free_pcp:620kB local_pcp:0kB free_cma:0kB [ 128.995945] lowmem_reserve[]: 0 0 0 [ 128.999637] DMA32: 1*4kB (M) 3*8kB (UME) 8*16kB (UME) 12*32kB (UM) 15*64kB (UM) 10*128kB (UM) 7*256kB (UME) 8*512kB (UME) 3*1024kB (UME) 3*2048kB (UME) 0*4096kB = 17884kB [ 129.060545] Normal: 65*4kB (UEH) 48*8kB (UEH) 30*16kB (UEH) 36*32kB (UH) 13*64kB (UEH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 3108kB [ 129.086562] 110 total pagecache pages [ 129.111043] 0 pages in swap cache [ 129.125314] Swap cache stats: add 0, delete 0, find 0/0 [ 129.142759] Free swap = 0kB [ 129.145880] Total swap = 0kB [ 129.153969] 1965979 pages RAM [ 129.163995] 0 pages HighMem/MovableOnly [ 129.173466] 315630 pages reserved [ 129.181050] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 129.198315] [ 191] 0 191 5385 184 17 3 0 -1000 udevd [ 129.207178] [ 298] 0 298 5384 184 15 3 0 -1000 udevd [ 129.220317] [ 299] 0 299 5384 183 15 3 0 -1000 udevd [ 129.229078] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 129.248941] [ 1630] 0 1630 30622 161 25 3 0 0 rsyslogd [ 129.259022] [ 1684] 0 1684 4725 51 15 3 0 0 cron [ 129.279373] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 129.317883] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 129.357756] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 129.399262] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 129.461653] [ 1828] 0 1828 17821 196 39 3 0 0 sshd [ 129.523939] [ 1830] 0 1830 32811 1745 27 5 0 0 syz-execprog [ 129.589641] [ 1844] 0 1844 9361 16 5 2 0 0 syz-executor3 [ 129.630857] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 129.654423] [ 1847] 0 1847 9360 22 6 3 0 0 syz-executor3 [ 129.667258] [ 1848] 0 1848 9361 16 5 2 0 0 syz-executor5 [ 129.698106] [ 1849] 0 1849 9360 20 6 3 0 0 syz-executor4 [ 129.736670] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 129.806788] [ 1851] 0 1851 9361 20 6 3 0 0 syz-executor5 [ 129.816716] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 129.840111] [ 1853] 0 1853 9361 15 6 3 0 0 syz-executor1 [ 129.849998] [ 1854] 0 1854 9361 15 5 2 0 0 syz-executor0 [ 129.859498] [ 4287] 0 4283 9427 0 9 4 0 1000 syz-executor2 [ 129.868977] [ 4430] 0 4427 9427 0 9 4 0 1000 syz-executor5 [ 129.878445] [ 4475] 0 4473 9426 30 9 4 0 1000 syz-executor3 [ 129.889989] [ 4493] 0 4492 9426 28 9 4 0 1000 syz-executor4 [ 129.916636] [ 4501] 0 4499 9427 27 9 4 0 1000 syz-executor1 [ 129.946639] Out of memory: Kill process 4473 (syz-executor3) score 999 or sacrifice child [ 129.959383] Killed process 4475 (syz-executor3) total-vm:37704kB, anon-rss:120kB, file-rss:0kB, shmem-rss:0kB [ 130.060226] oom_reaper: reaped process 4475 (syz-executor3), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 130.120155] oom_reaper: reaped process 4511 (syz-executor4), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 130.130748] oom_reaper: reaped process 4501 (syz-executor1), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 130.220331] syz-executor1 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=1000 [ 130.250053] CPU: 0 PID: 4501 Comm: syz-executor1 Not tainted 4.14.75+ #18 [ 130.257008] Call Trace: [ 130.259591] dump_stack+0xb9/0x11b [ 130.263128] dump_header+0x17d/0x7a8 [ 130.266830] ? trace_hardirqs_on_caller+0x381/0x520 [ 130.271835] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 130.276933] ? ___ratelimit+0x4f/0x3f0 [ 130.280822] oom_kill_process.cold.8+0x10/0xc88 [ 130.285488] ? lock_downgrade+0x560/0x560 [ 130.289631] ? check_preemption_disabled+0x34/0x160 [ 130.294644] out_of_memory+0x669/0xa60 [ 130.298526] ? oom_killer_disable+0x1f0/0x1f0 [ 130.303022] __alloc_pages_nodemask+0x1949/0x2300 [ 130.307874] ? __schedule+0x731/0x1ed0 [ 130.311764] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 130.316604] ? retint_kernel+0x2d/0x2d [ 130.320488] ? trace_hardirqs_on_caller+0x381/0x520 [ 130.325495] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 130.330252] ? retint_kernel+0x2d/0x2d [ 130.334149] __vmalloc_node_range+0x283/0x680 [ 130.338645] ? SyS_init_module+0x119/0x1e0 [ 130.342868] __vmalloc+0x63/0x80 [ 130.346234] ? SyS_init_module+0x119/0x1e0 [ 130.350468] SyS_init_module+0x119/0x1e0 [ 130.354522] ? load_module+0x9150/0x9150 [ 130.358594] ? do_syscall_64+0x43/0x4b0 [ 130.362559] ? load_module+0x9150/0x9150 [ 130.366614] do_syscall_64+0x19b/0x4b0 [ 130.370504] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 130.375686] RIP: 0033:0x457519 [ 130.378862] RSP: 002b:00007f3135757c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000af [ 130.386565] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457519 [ 130.393824] RDX: 00000000200000c0 RSI: 00000000fffffc2f RDI: 0000000020000140 [ 130.401087] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 130.408353] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f31357586d4 [ 130.415609] R13: 00000000004bdd3a R14: 00000000004ce230 R15: 00000000ffffffff [ 130.780086] Mem-Info: [ 130.782570] active_anon:4847 inactive_anon:41 isolated_anon:0 [ 130.782570] active_file:7 inactive_file:14 isolated_file:7 [ 130.782570] unevictable:0 dirty:0 writeback:0 unstable:0 [ 130.782570] slab_reclaimable:4769 slab_unreclaimable:57623 [ 130.782570] mapped:2 shmem:48 pagetables:343 bounce:0 [ 130.782570] free:12513 free_pcp:170 free_cma:0 [ 130.897000] Node 0 active_anon:19388kB inactive_anon:164kB active_file:212kB inactive_file:368kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:408kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 130.961659] DMA32 free:36340kB min:4792kB low:7868kB high:10944kB active_anon:104kB inactive_anon:8kB active_file:504kB inactive_file:1000kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:128kB pagetables:80kB bounce:0kB free_pcp:756kB local_pcp:136kB free_cma:0kB 2018/10/11 19:01:01 result: failed=false hanged=false err=executor 2: 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" [ 131.071800] lowmem_reserve[]: 0 3437 3437 [ 131.106558] Normal free:5436kB min:5480kB low:9000kB high:12520kB active_anon:19304kB inactive_anon:156kB active_file:76kB inactive_file:100kB unevictable:0kB writepending:0kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2784kB pagetables:1292kB bounce:0kB free_pcp:776kB local_pcp:648kB free_cma:0kB [ 131.224669] lowmem_reserve[]: 0 0 0 [ 131.228432] DMA32: 0*4kB 0*8kB 125*16kB (U) 219*32kB (U) 234*64kB (U) 86*128kB (U) 79*256kB (UM) 39*512kB (UME) 7*1024kB (UE) 2*2048kB (UE) 0*4096kB = 86448kB [ 131.300057] Normal: 4*4kB (ME) 3*8kB (UME) 2*16kB (UE) 23*32kB (UME) 12*64kB (UME) 4*128kB (ME) 3*256kB (ME) 6*512kB (UE) 3*1024kB (U) 0*2048kB 0*4096kB = 9000kB [ 131.350059] 2107 total pagecache pages [ 131.354015] 0 pages in swap cache [ 131.357462] Swap cache stats: add 0, delete 0, find 0/0 [ 131.400057] Free swap = 0kB [ 131.403131] Total swap = 0kB [ 131.406135] 1965979 pages RAM [ 131.409225] 0 pages HighMem/MovableOnly [ 131.440076] 315630 pages reserved [ 131.443544] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 131.480096] [ 191] 0 191 5385 184 17 3 0 -1000 udevd [ 131.488879] [ 298] 0 298 5384 184 15 3 0 -1000 udevd [ 131.530078] [ 299] 0 299 5384 183 15 3 0 -1000 udevd [ 131.538855] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 131.590090] [ 1630] 0 1630 30622 161 25 3 0 0 rsyslogd [ 131.599138] [ 1684] 0 1684 4725 51 15 3 0 0 cron [ 131.640056] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 131.649748] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 131.700058] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 131.708753] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 131.750086] [ 1828] 0 1828 17821 296 39 3 0 0 sshd [ 131.758781] [ 1830] 0 1830 32811 1747 27 5 0 0 syz-execprog [ 131.810091] [ 1844] 0 1844 9361 16 5 2 0 0 syz-executor3 [ 131.819572] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 131.860060] [ 1847] 0 1847 9360 22 6 3 0 0 syz-executor3 [ 131.869559] [ 1848] 0 1848 9361 16 5 2 0 0 syz-executor5 [ 131.920061] [ 1849] 0 1849 9360 20 6 3 0 0 syz-executor4 [ 131.929538] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 131.980092] [ 1851] 0 1851 9361 20 6 3 0 0 syz-executor5 [ 131.989570] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 132.030112] [ 1853] 0 1853 9361 15 6 3 0 0 syz-executor1 [ 132.039585] [ 1854] 0 1854 9361 18 5 2 0 0 syz-executor0 [ 132.090088] [ 4430] 0 4427 9427 0 9 4 0 1000 syz-executor5 [ 132.099568] [ 4475] 0 4473 9426 0 9 4 0 1000 syz-executor3 [ 132.150117] [ 4493] 0 4492 9426 0 9 4 0 1000 syz-executor4 [ 132.159606] [ 4501] 0 4499 9427 0 9 4 0 1000 syz-executor1 [ 132.210094] [ 4513] 0 4513 9361 213 5 2 0 0 syz-executor2 [ 132.219583] [ 4514] 0 4514 9361 20 5 2 0 0 syz-executor2 [ 132.270099] Out of memory: Kill process 1830 (syz-execprog) score 1 or sacrifice child [ 132.278472] Killed process 4513 (syz-executor2) total-vm:37444kB, anon-rss:64kB, file-rss:788kB, shmem-rss:0kB 2018/10/11 19:01:02 result: failed=false hanged=false err=executor 2: EOF 2018/10/11 19:01:02 executed programs: 9 [ 133.194861] syz-executor0 invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=1000 [ 133.232721] CPU: 1 PID: 4518 Comm: syz-executor0 Not tainted 4.14.75+ #18 [ 133.239680] Call Trace: [ 133.242266] dump_stack+0xb9/0x11b [ 133.245809] dump_header+0x17d/0x7a8 [ 133.249517] ? trace_hardirqs_on_caller+0x381/0x520 [ 133.254530] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 133.259629] ? ___ratelimit+0x4f/0x3f0 [ 133.263514] oom_kill_process.cold.8+0x10/0xc88 [ 133.268180] ? lock_downgrade+0x560/0x560 [ 133.272322] ? check_preemption_disabled+0x34/0x160 [ 133.277334] out_of_memory+0x669/0xa60 [ 133.281224] ? oom_killer_disable+0x1f0/0x1f0 [ 133.285732] __alloc_pages_nodemask+0x1949/0x2300 [ 133.290611] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 133.295463] ? find_get_entry+0x118/0x550 [ 133.299604] ? __radix_tree_lookup+0x220/0x220 [ 133.304191] ? check_preemption_disabled+0x34/0x160 [ 133.309212] ? find_get_entry+0x13f/0x550 [ 133.313359] ? pagecache_get_page+0x129/0x770 [ 133.317851] filemap_fault+0xcdd/0x14a0 [ 133.321836] ext4_filemap_fault+0x7d/0xb0 [ 133.325973] __do_fault+0x80/0x210 [ 133.329504] __handle_mm_fault+0xe04/0x23a0 [ 133.333828] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 133.338930] ? vm_insert_page+0x6d0/0x6d0 [ 133.343068] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 133.348163] ? free_object+0xe4/0x240 [ 133.351972] ? check_preemption_disabled+0x34/0x160 [ 133.356988] handle_mm_fault+0x2f2/0x6eb [ 133.361046] __do_page_fault+0x45d/0xb60 [ 133.365102] ? retint_user+0x18/0x18 [ 133.368804] ? bad_area_access_error+0x330/0x330 [ 133.373548] ? page_fault+0x2c/0x50 [ 133.377165] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 133.382007] ? page_fault+0x2c/0x50 [ 133.385624] page_fault+0x42/0x50 [ 133.389066] RIP: 03e8:0x20585 [ 133.392161] RSP: 2086f:000000000072bf00 EFLAGS: 0072c900 [ 133.680063] Mem-Info: [ 133.687952] active_anon:4919 inactive_anon:41 isolated_anon:0 [ 133.687952] active_file:69 inactive_file:102 isolated_file:0 [ 133.687952] unevictable:0 dirty:19 writeback:0 unstable:0 [ 133.687952] slab_reclaimable:4839 slab_unreclaimable:57523 [ 133.687952] mapped:122 shmem:48 pagetables:363 bounce:0 [ 133.687952] free:12816 free_pcp:533 free_cma:0 [ 133.860075] Node 0 active_anon:19676kB inactive_anon:164kB active_file:200kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:76kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 133.920256] DMA32 free:15976kB min:4792kB low:7868kB high:10944kB active_anon:296kB inactive_anon:20kB active_file:68kB inactive_file:108kB unevictable:0kB writepending:44kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:256kB pagetables:196kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 133.980110] lowmem_reserve[]: 0 3437 3437 [ 133.992503] Normal free:11156kB min:5480kB low:9000kB high:12520kB active_anon:19280kB inactive_anon:144kB active_file:448kB inactive_file:128kB unevictable:0kB writepending:8kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2752kB pagetables:1256kB bounce:0kB free_pcp:920kB local_pcp:120kB free_cma:0kB [ 134.090128] lowmem_reserve[]: 0 0 0 [ 134.093823] DMA32: 294*4kB (UM) 273*8kB (UME) 232*16kB (UME) 392*32kB (UME) 230*64kB (UME) 42*128kB (UME) 22*256kB (UME) 9*512kB (UME) 3*1024kB (UME) 2*2048kB (M) 0*4096kB = 57120kB [ 134.140096] Normal: 81*4kB (UME) 78*8kB (UE) 64*16kB (UME) 75*32kB (UE) 63*64kB (UE) 44*128kB (UM) 33*256kB (UM) 17*512kB (UM) 8*1024kB (UM) 0*2048kB 0*4096kB = 39380kB [ 134.207590] 1149 total pagecache pages [ 134.228211] 0 pages in swap cache [ 134.248207] Swap cache stats: add 0, delete 0, find 0/0 [ 134.275707] Free swap = 0kB [ 134.290833] Total swap = 0kB [ 134.313673] 1965979 pages RAM [ 134.329517] 0 pages HighMem/MovableOnly [ 134.345966] 315630 pages reserved [ 134.357265] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 134.389787] [ 191] 0 191 5385 184 17 3 0 -1000 udevd [ 134.420087] [ 298] 0 298 5384 184 15 3 0 -1000 udevd [ 134.471620] [ 299] 0 299 5384 183 15 3 0 -1000 udevd [ 134.510205] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 134.542518] [ 1630] 0 1630 30622 162 25 3 0 0 rsyslogd [ 134.572521] [ 1684] 0 1684 4725 50 15 3 0 0 cron [ 134.609106] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 134.654974] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 134.720674] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 134.729389] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 134.760094] [ 1828] 0 1828 17821 197 39 3 0 0 sshd [ 134.768796] [ 1830] 0 1830 32811 1747 27 5 0 0 syz-execprog [ 134.799827] [ 1844] 0 1844 9361 16 5 2 0 0 syz-executor3 [ 134.816854] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 134.850077] [ 1847] 0 1847 9360 22 6 3 0 0 syz-executor3 [ 134.865911] [ 1848] 0 1848 9361 16 5 2 0 0 syz-executor5 [ 134.948911] [ 1849] 0 1849 9360 20 6 3 0 0 syz-executor4 [ 134.990061] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 134.999546] [ 1851] 0 1851 9361 20 6 3 0 0 syz-executor5 [ 135.020056] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 135.029524] [ 1853] 0 1853 9361 15 6 3 0 0 syz-executor1 [ 135.060053] [ 1854] 0 1854 9361 19 6 3 0 0 syz-executor0 [ 135.069532] [ 4493] 0 4492 9426 0 9 4 0 1000 syz-executor4 [ 135.110085] [ 4512] 0 4499 9427 0 9 4 0 1000 syz-executor1 [ 135.119582] [ 4516] 0 4516 9361 17 5 2 0 0 syz-executor2 [ 135.170064] [ 4518] 0 4518 9394 19 9 4 0 1000 syz-executor0 [ 135.179556] [ 4519] 0 4519 9361 17 5 2 0 0 syz-executor2 [ 135.250673] [ 4524] 0 4523 9426 30 9 4 0 1000 syz-executor3 [ 135.270099] [ 4532] 0 4532 1050 18 8 3 0 0 sh [ 135.278614] [ 4533] 0 4533 2102 22 9 3 0 0 ip [ 135.310118] Out of memory: Kill process 4523 (syz-executor3) score 999 or sacrifice child [ 135.318480] Killed process 4524 (syz-executor3) total-vm:37704kB, anon-rss:120kB, file-rss:0kB, shmem-rss:0kB [ 135.370439] oom_reaper: reaped process 4524 (syz-executor3), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 135.861961] syz-executor2 invoked oom-killer: gfp_mask=0x15080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null), order=1, oom_score_adj=0 [ 135.890346] CPU: 0 PID: 4519 Comm: syz-executor2 Not tainted 4.14.75+ #18 [ 135.897307] Call Trace: [ 135.899901] dump_stack+0xb9/0x11b [ 135.903446] dump_header+0x17d/0x7a8 [ 135.907178] ? trace_hardirqs_on_caller+0x381/0x520 [ 135.912191] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 135.917310] ? ___ratelimit+0x4f/0x3f0 [ 135.921199] oom_kill_process.cold.8+0x10/0xc88 [ 135.925860] ? lock_downgrade+0x560/0x560 [ 135.931573] ? check_preemption_disabled+0x34/0x160 [ 135.936590] out_of_memory+0x669/0xa60 [ 135.940475] ? oom_killer_disable+0x1f0/0x1f0 [ 135.944972] __alloc_pages_nodemask+0x1949/0x2300 [ 135.949829] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 135.955187] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 135.960039] ? trace_hardirqs_on+0x10/0x10 [ 135.964265] ? fs_reclaim_acquire+0x10/0x10 [ 135.968611] __get_free_pages+0x13/0xa0 [ 135.972583] pgd_alloc+0x1f/0x3a0 [ 135.976029] mm_init+0x514/0x800 [ 135.979523] copy_process.part.6+0x396a/0x6530 [ 135.984099] ? trace_hardirqs_on+0x10/0x10 [ 135.988325] ? do_wp_page+0x254/0x1880 [ 135.992250] ? __cleanup_sighand+0x40/0x40 [ 135.996479] ? lock_downgrade+0x560/0x560 [ 136.000614] ? lock_acquire+0x10f/0x380 [ 136.004607] ? __might_fault+0xd4/0x1b0 [ 136.008608] _do_fork+0x1c2/0xd50 [ 136.012058] ? fork_idle+0x250/0x250 [ 136.015774] ? do_syscall_64+0x43/0x4b0 [ 136.019744] ? sys_vfork+0x20/0x20 [ 136.023271] do_syscall_64+0x19b/0x4b0 [ 136.027159] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 136.032336] RIP: 0033:0x421239 [ 136.035514] RSP: 002b:00007fff8649faa0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 136.043214] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000421239 [ 136.050474] RDX: 00007fff8649faac RSI: 0000000000000000 RDI: 0000000000100011 [ 136.057726] RBP: 00007fff8649fc50 R08: 0000000000a44a80 R09: 000000000000001a [ 136.064982] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000000412d90 [ 136.072235] R13: 0000000000412e20 R14: 0000000000000000 R15: 0000000000000000 [ 136.447241] Mem-Info: [ 136.449702] active_anon:4897 inactive_anon:41 isolated_anon:0 [ 136.449702] active_file:21 inactive_file:11 isolated_file:0 [ 136.449702] unevictable:0 dirty:0 writeback:0 unstable:0 [ 136.449702] slab_reclaimable:4992 slab_unreclaimable:57376 [ 136.449702] mapped:41 shmem:48 pagetables:363 bounce:0 [ 136.449702] free:5650 free_pcp:233 free_cma:0 [ 136.540082] Node 0 active_anon:19588kB inactive_anon:164kB active_file:168kB inactive_file:340kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:364kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 136.614711] DMA32 free:23200kB min:4792kB low:7868kB high:10944kB active_anon:212kB inactive_anon:12kB active_file:20kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:160kB pagetables:160kB bounce:0kB free_pcp:224kB local_pcp:224kB free_cma:0kB [ 136.701102] lowmem_reserve[]: 0 3437 3437 [ 136.719965] Normal free:5092kB min:5480kB low:9000kB high:12520kB active_anon:19376kB inactive_anon:152kB active_file:380kB inactive_file:124kB unevictable:0kB writepending:0kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2816kB pagetables:1292kB bounce:0kB free_pcp:744kB local_pcp:168kB free_cma:0kB [ 136.807763] lowmem_reserve[]: 0 0 0 [ 136.814779] DMA32: 311*4kB (UME) 292*8kB (UME) 144*16kB (UME) 197*32kB (UME) 120*64kB (UME) 22*128kB (UME) 21*256kB (UME) 19*512kB (UME) 5*1024kB (UME) 2*2048kB (M) 0*4096kB = 47004kB [ 136.848902] Normal: 19*4kB (ME) 11*8kB (UME) 8*16kB (ME) 4*32kB (MEH) 11*64kB (UMEH) 5*128kB (UE) 2*256kB (UM) 9*512kB (U) 2*1024kB (U) 0*2048kB 0*4096kB = 8932kB [ 136.890806] 235 total pagecache pages [ 136.910054] 0 pages in swap cache [ 136.913521] Swap cache stats: add 0, delete 0, find 0/0 [ 136.918868] Free swap = 0kB [ 136.950048] Total swap = 0kB [ 136.953087] 1965979 pages RAM [ 136.956175] 0 pages HighMem/MovableOnly [ 136.980048] 315630 pages reserved [ 136.983506] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 137.000679] [ 191] 0 191 5385 183 17 3 0 -1000 udevd [ 137.009446] [ 298] 0 298 5384 184 15 3 0 -1000 udevd [ 137.040060] [ 299] 0 299 5384 183 15 3 0 -1000 udevd [ 137.048838] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 137.080067] [ 1630] 0 1630 30622 162 25 3 0 0 rsyslogd [ 137.089110] [ 1684] 0 1684 4725 50 15 3 0 0 cron [ 137.110048] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 137.119158] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 137.147838] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 137.165431] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 137.184179] [ 1828] 0 1828 17821 197 39 3 0 0 sshd [ 137.214433] [ 1830] 0 1830 32811 1747 27 5 0 0 syz-execprog [ 137.251499] [ 1844] 0 1844 9361 16 5 2 0 0 syz-executor3 [ 137.296127] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 137.340060] [ 1847] 0 1847 9360 22 6 3 0 0 syz-executor3 [ 137.349602] [ 1848] 0 1848 9361 16 5 2 0 0 syz-executor5 [ 137.434430] [ 1849] 0 1849 9360 20 6 3 0 0 syz-executor4 [ 137.462600] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 137.535604] [ 1851] 0 1851 9360 22 6 3 0 0 syz-executor5 [ 137.574471] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 137.593842] [ 1853] 0 1853 9361 15 6 3 0 0 syz-executor1 [ 137.613194] [ 1854] 0 1854 9361 19 6 3 0 0 syz-executor0 [ 137.632524] [ 4493] 0 4492 9426 0 9 4 0 1000 syz-executor4 [ 137.651847] [ 4516] 0 4516 9361 17 5 2 0 0 syz-executor2 [ 137.671163] [ 4521] 0 4518 9394 24 9 4 0 1000 syz-executor0 [ 137.701171] [ 4519] 0 4519 9361 17 5 2 0 0 syz-executor2 [ 137.728583] [ 4524] 0 4523 9426 0 9 4 0 1000 syz-executor3 [ 137.758982] [ 4536] 0 4535 9426 30 9 4 0 1000 syz-executor5 [ 137.806740] Out of memory: Kill process 4518 (syz-executor0) score 999 or sacrifice child [ 137.845921] Killed process 4521 (syz-executor0) total-vm:37576kB, anon-rss:96kB, file-rss:0kB, shmem-rss:0kB [ 137.902792] oom_reaper: reaped process 4521 (syz-executor0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 137.948125] syz-execprog invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 137.981931] CPU: 1 PID: 1831 Comm: syz-execprog Not tainted 4.14.75+ #18 [ 137.988804] Call Trace: [ 137.991388] dump_stack+0xb9/0x11b [ 137.994926] dump_header+0x17d/0x7a8 [ 137.998642] ? trace_hardirqs_on_caller+0x381/0x520 [ 138.003652] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 138.008751] ? ___ratelimit+0x4f/0x3f0 [ 138.012639] oom_kill_process.cold.8+0x10/0xc88 [ 138.017305] ? lock_downgrade+0x560/0x560 [ 138.021450] ? check_preemption_disabled+0x34/0x160 [ 138.026463] out_of_memory+0x669/0xa60 [ 138.030346] ? oom_killer_disable+0x1f0/0x1f0 [ 138.034848] __alloc_pages_nodemask+0x1949/0x2300 [ 138.039700] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 138.044533] ? find_get_entry+0x118/0x550 [ 138.048678] ? check_preemption_disabled+0x34/0x160 [ 138.053684] ? check_preemption_disabled+0x34/0x160 [ 138.058700] ? find_get_entry+0x13f/0x550 [ 138.062845] ? pagecache_get_page+0x129/0x770 [ 138.067336] filemap_fault+0xcdd/0x14a0 [ 138.071321] ext4_filemap_fault+0x7d/0xb0 [ 138.075466] __do_fault+0x80/0x210 [ 138.079007] __handle_mm_fault+0xe04/0x23a0 [ 138.083326] ? vm_insert_page+0x6d0/0x6d0 [ 138.087492] ? check_preemption_disabled+0x34/0x160 [ 138.092505] handle_mm_fault+0x2f2/0x6eb [ 138.096574] __do_page_fault+0x45d/0xb60 [ 138.100640] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 138.105995] ? bad_area_access_error+0x330/0x330 [ 138.110752] ? page_fault+0x2c/0x50 [ 138.114367] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 138.119213] ? page_fault+0x2c/0x50 [ 138.122833] page_fault+0x42/0x50 [ 138.126278] RIP: 00f1:0x11 2018/10/11 19:01:08 executed programs: 12 [ 138.129106] RSP: 1036368:000000c420037fb0 EFLAGS: 0042d030 [ 138.550796] Mem-Info: [ 138.584556] active_anon:4965 inactive_anon:41 isolated_anon:0 [ 138.584556] active_file:613 inactive_file:1388 isolated_file:8 [ 138.584556] unevictable:0 dirty:0 writeback:0 unstable:0 [ 138.584556] slab_reclaimable:5045 slab_unreclaimable:57334 [ 138.584556] mapped:1402 shmem:48 pagetables:396 bounce:0 [ 138.584556] free:116793 free_pcp:338 free_cma:0 [ 138.726064] Node 0 active_anon:19760kB inactive_anon:164kB active_file:2552kB inactive_file:5552kB unevictable:0kB isolated(anon):0kB isolated(file):32kB mapped:5308kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 138.828886] DMA32 free:444912kB min:4792kB low:7868kB high:10944kB active_anon:192kB inactive_anon:12kB active_file:32kB inactive_file:812kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:224kB pagetables:144kB bounce:0kB free_pcp:216kB local_pcp:28kB free_cma:0kB [ 138.954024] lowmem_reserve[]: 0 3437 3437 [ 138.971414] Normal free:8916kB min:5480kB low:9000kB high:12520kB active_anon:19468kB inactive_anon:152kB active_file:2912kB inactive_file:4348kB unevictable:0kB writepending:0kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2816kB pagetables:1292kB bounce:0kB free_pcp:200kB local_pcp:120kB free_cma:0kB [ 139.100090] lowmem_reserve[]: 0 0 0 [ 139.118450] DMA32: 3*4kB (UM) 6*8kB (UME) 3*16kB (ME) 2044*32kB (UME) 3871*64kB (UME) 256*128kB (UME) 85*256kB (UME) 21*512kB (UME) 4*1024kB (UME) 3*2048kB (UM) 0*4096kB = 388780kB [ 139.188740] Normal: 4*4kB (UE) 103*8kB (UE) 72*16kB (UE) 17*32kB (UME) 7*64kB (UM) 3*128kB (ME) 4*256kB (UME) 1*512kB (M) 6*1024kB (U) 0*2048kB 0*4096kB = 11048kB [ 139.264262] 2112 total pagecache pages [ 139.284655] 0 pages in swap cache [ 139.303485] Swap cache stats: add 0, delete 0, find 0/0 [ 139.350214] Free swap = 0kB [ 139.353259] Total swap = 0kB [ 139.390082] 1965979 pages RAM [ 139.393219] 0 pages HighMem/MovableOnly [ 139.397180] 315630 pages reserved [ 139.440056] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 139.448772] [ 191] 0 191 5385 468 17 3 0 -1000 udevd [ 139.520071] [ 298] 0 298 5384 561 15 3 0 -1000 udevd [ 139.528860] [ 299] 0 299 5384 183 15 3 0 -1000 udevd [ 139.610063] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 139.619123] [ 1630] 0 1630 30622 162 25 3 0 0 rsyslogd [ 139.705138] [ 1684] 0 1684 4725 50 15 3 0 0 cron [ 139.750065] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 139.759213] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 139.859312] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 139.901768] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 139.946218] [ 1828] 0 1828 17821 197 39 3 0 0 sshd [ 139.990620] [ 1830] 0 1830 32811 1748 27 5 0 0 syz-execprog [ 140.020075] [ 1844] 0 1844 9361 16 5 2 0 0 syz-executor3 [ 140.029645] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 140.091174] [ 1847] 0 1847 9360 22 6 3 0 0 syz-executor3 [ 140.112433] [ 1848] 0 1848 9361 16 5 2 0 0 syz-executor5 [ 140.143776] [ 1849] 0 1849 9360 20 6 3 0 0 syz-executor4 [ 140.194113] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 140.237524] [ 1851] 0 1851 9360 22 6 3 0 0 syz-executor5 [ 140.265645] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 140.310062] [ 1853] 0 1853 9360 21 6 3 0 0 syz-executor1 [ 140.319545] [ 1854] 0 1854 9361 19 6 3 0 0 syz-executor0 [ 140.350060] [ 4493] 0 4492 9426 0 9 4 0 1000 syz-executor4 [ 140.359549] [ 4516] 0 4516 9361 17 5 2 0 0 syz-executor2 [ 140.380061] [ 4521] 0 4518 9394 0 9 4 0 1000 syz-executor0 [ 140.389528] [ 4519] 0 4519 9361 17 5 2 0 0 syz-executor2 [ 140.466733] [ 4536] 0 4535 9426 30 9 4 0 1000 syz-executor5 [ 140.495210] [ 4549] 0 4548 9426 29 9 4 0 1000 syz-executor1 [ 140.522661] [ 4580] 0 4580 1050 129 8 3 0 0 sh [ 140.534086] [ 4581] 0 4581 1050 25 8 3 0 0 sh [ 140.543447] Out of memory: Kill process 4535 (syz-executor5) score 999 or sacrifice child [ 140.552009] Killed process 4536 (syz-executor5) total-vm:37704kB, anon-rss:120kB, file-rss:0kB, shmem-rss:0kB [ 140.581952] oom_reaper: reaped process 4536 (syz-executor5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 140.690157] syz-executor4 invoked oom-killer: gfp_mask=0x14082c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN|__GFP_ZERO), nodemask=(null), order=0, oom_score_adj=1000 [ 140.714494] CPU: 1 PID: 4586 Comm: syz-executor4 Not tainted 4.14.75+ #18 [ 140.721436] Call Trace: [ 140.724027] dump_stack+0xb9/0x11b [ 140.727561] dump_header+0x17d/0x7a8 [ 140.731270] ? trace_hardirqs_on_caller+0x381/0x520 [ 140.736324] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 140.741507] ? ___ratelimit+0x4f/0x3f0 [ 140.745396] oom_kill_process.cold.8+0x10/0xc88 [ 140.750070] ? lock_downgrade+0x560/0x560 [ 140.754210] ? check_preemption_disabled+0x34/0x160 [ 140.759220] out_of_memory+0x669/0xa60 [ 140.763102] ? oom_killer_disable+0x1f0/0x1f0 [ 140.767608] __alloc_pages_nodemask+0x1949/0x2300 [ 140.772724] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 140.777558] ? alloc_vmap_area.isra.8+0x7f0/0x7f0 [ 140.782414] ? map_vm_area+0xa4/0xd0 [ 140.786122] ? __vmalloc_node_range+0x395/0x680 [ 140.790795] __vmalloc_node_range+0x283/0x680 [ 140.795291] __vmalloc_node_range+0x4f0/0x680 [ 140.799775] ? SyS_init_module+0x119/0x1e0 [ 140.804009] ? SyS_init_module+0x119/0x1e0 [ 140.808231] __vmalloc+0x63/0x80 [ 140.811586] ? SyS_init_module+0x119/0x1e0 [ 140.815808] SyS_init_module+0x119/0x1e0 [ 140.819864] ? load_module+0x9150/0x9150 [ 140.823935] ? do_syscall_64+0x43/0x4b0 [ 140.827899] ? load_module+0x9150/0x9150 [ 140.831950] do_syscall_64+0x19b/0x4b0 [ 140.835833] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 140.841007] RIP: 0033:0x457519 [ 140.844179] RSP: 002b:00007f2ad4bafc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000af [ 140.851874] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457519 [ 140.859133] RDX: 00000000200000c0 RSI: 00000000fffffc2f RDI: 0000000020000140 [ 140.866387] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 140.873645] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2ad4bb06d4 [ 140.880904] R13: 00000000004bdd3a R14: 00000000004ce230 R15: 00000000ffffffff [ 140.907410] Mem-Info: [ 140.910008] active_anon:4983 inactive_anon:41 isolated_anon:0 [ 140.910008] active_file:214 inactive_file:340 isolated_file:31 [ 140.910008] unevictable:0 dirty:11 writeback:0 unstable:0 [ 140.910008] slab_reclaimable:5143 slab_unreclaimable:57183 [ 140.910008] mapped:389 shmem:48 pagetables:363 bounce:0 [ 140.910008] free:41559 free_pcp:294 free_cma:0 [ 141.041731] Node 0 active_anon:19932kB inactive_anon:164kB active_file:224kB inactive_file:384kB unevictable:0kB isolated(anon):0kB isolated(file):112kB mapped:456kB dirty:44kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 141.066261] DMA32 free:27296kB min:4792kB low:7868kB high:10944kB active_anon:300kB inactive_anon:20kB active_file:404kB inactive_file:0kB unevictable:0kB writepending:20kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:128kB pagetables:68kB bounce:0kB free_pcp:1136kB local_pcp:476kB free_cma:0kB [ 141.095055] lowmem_reserve[]: 0 3437 3437 [ 141.100026] Normal free:108504kB min:5480kB low:9000kB high:12520kB active_anon:19520kB inactive_anon:148kB active_file:504kB inactive_file:512kB unevictable:0kB writepending:36kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2848kB pagetables:1320kB bounce:0kB free_pcp:756kB local_pcp:48kB free_cma:0kB [ 141.129215] lowmem_reserve[]: 0 0 0 [ 141.133649] DMA32: 1287*4kB (UM) 1175*8kB (UME) 578*16kB (UME) 166*32kB (UM) 56*64kB (UME) 5*128kB (ME) 6*256kB (ME) 5*512kB (ME) 3*1024kB (ME) 3*2048kB (UM) 0*4096kB = 46644kB [ 141.226041] Normal: 151*4kB (UM) 80*8kB (UM) 39*16kB (UM) 17*32kB (UM) 18*64kB (UM) 7*128kB (UM) 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 5228kB [ 141.244333] 114 total pagecache pages [ 141.248155] 0 pages in swap cache [ 141.251724] Swap cache stats: add 0, delete 0, find 0/0 [ 141.257076] Free swap = 0kB [ 141.260147] Total swap = 0kB [ 141.263243] 1965979 pages RAM [ 141.266339] 0 pages HighMem/MovableOnly [ 141.271109] 315630 pages reserved [ 141.274559] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 141.283369] [ 191] 0 191 5385 183 17 3 0 -1000 udevd [ 141.292202] [ 298] 0 298 5384 183 15 3 0 -1000 udevd [ 141.300986] [ 299] 0 299 5384 183 15 3 0 -1000 udevd [ 141.309737] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 141.318772] [ 1630] 0 1630 30622 162 25 3 0 0 rsyslogd [ 141.327804] [ 1684] 0 1684 4725 50 15 3 0 0 cron [ 141.336506] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 141.345633] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 141.355004] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 141.417511] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 141.463824] [ 1828] 0 1828 17821 197 39 3 0 0 sshd [ 141.485247] [ 1830] 0 1830 32811 1750 27 5 0 0 syz-execprog [ 141.495352] [ 1844] 0 1844 9361 16 5 2 0 0 syz-executor3 [ 141.505613] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 141.515209] [ 1847] 0 1847 9360 22 6 3 0 0 syz-executor3 [ 141.524685] [ 1848] 0 1848 9361 16 5 2 0 0 syz-executor5 [ 141.534154] [ 1849] 0 1849 9360 20 6 3 0 0 syz-executor4 [ 141.543622] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 141.553102] [ 1851] 0 1851 9360 22 6 3 0 0 syz-executor5 [ 141.562568] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 141.572034] [ 1853] 0 1853 9360 21 6 3 0 0 syz-executor1 [ 141.590142] [ 1854] 0 1854 9361 19 6 3 0 0 syz-executor0 [ 141.599603] [ 4516] 0 4516 9361 17 5 2 0 0 syz-executor2 [ 141.658408] [ 4521] 0 4518 9394 0 9 4 0 1000 syz-executor0 [ 141.680072] [ 4519] 0 4519 9361 17 5 2 0 0 syz-executor2 [ 141.689549] [ 4536] 0 4535 9426 0 9 4 0 1000 syz-executor5 [ 141.712561] [ 4549] 0 4548 9426 29 9 4 0 1000 syz-executor1 [ 141.722110] [ 4580] 0 4580 1050 18 8 3 0 0 sh [ 141.733148] [ 4581] 0 4581 2135 23 9 3 0 0 ip [ 141.745830] [ 4585] 0 4585 9393 20 9 4 0 1000 syz-executor4 [ 141.756371] [ 4587] 0 4587 9393 22 9 4 0 1000 syz-executor3 [ 141.768090] [ 4588] 0 4588 1547 12 7 3 0 0 modprobe [ 141.786030] Out of memory: Kill process 4548 (syz-executor1) score 999 or sacrifice child [ 141.794486] Killed process 4549 (syz-executor1) total-vm:37704kB, anon-rss:116kB, file-rss:0kB, shmem-rss:0kB [ 141.822594] oom_reaper: reaped process 4549 (syz-executor1), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 141.850973] syz-executor4 invoked oom-killer: gfp_mask=0x14082c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN|__GFP_ZERO), nodemask=(null), order=0, oom_score_adj=1000 [ 141.893698] CPU: 0 PID: 4586 Comm: syz-executor4 Not tainted 4.14.75+ #18 [ 141.900644] Call Trace: [ 141.903226] dump_stack+0xb9/0x11b [ 141.906759] dump_header+0x17d/0x7a8 [ 141.910465] ? trace_hardirqs_on_caller+0x381/0x520 [ 141.915479] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 141.920580] ? ___ratelimit+0x4f/0x3f0 [ 141.924466] oom_kill_process.cold.8+0x10/0xc88 [ 141.929131] ? lock_downgrade+0x560/0x560 [ 141.933272] ? check_preemption_disabled+0x34/0x160 [ 141.938282] out_of_memory+0x669/0xa60 [ 141.942165] ? oom_killer_disable+0x1f0/0x1f0 [ 141.946663] __alloc_pages_nodemask+0x1949/0x2300 [ 141.951514] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 141.956348] ? alloc_vmap_area.isra.8+0x7f0/0x7f0 [ 141.961191] ? map_vm_area+0xa4/0xd0 [ 141.964909] ? __vmalloc_node_range+0x395/0x680 [ 141.969586] __vmalloc_node_range+0x283/0x680 [ 141.974082] __vmalloc_node_range+0x4f0/0x680 [ 141.978734] ? SyS_init_module+0x119/0x1e0 [ 141.982971] ? SyS_init_module+0x119/0x1e0 [ 141.987243] __vmalloc+0x63/0x80 [ 141.990602] ? SyS_init_module+0x119/0x1e0 [ 141.994825] SyS_init_module+0x119/0x1e0 [ 141.998873] ? load_module+0x9150/0x9150 [ 142.002953] ? do_syscall_64+0x43/0x4b0 [ 142.006928] ? load_module+0x9150/0x9150 [ 142.010982] do_syscall_64+0x19b/0x4b0 [ 142.014865] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 142.020050] RIP: 0033:0x457519 [ 142.023227] RSP: 002b:00007f2ad4bafc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000af [ 142.030929] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457519 [ 142.038188] RDX: 00000000200000c0 RSI: 00000000fffffc2f RDI: 0000000020000140 [ 142.045446] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 142.052703] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2ad4bb06d4 [ 142.059963] R13: 00000000004bdd3a R14: 00000000004ce230 R15: 00000000ffffffff [ 142.540771] Mem-Info: [ 142.543260] active_anon:4980 inactive_anon:41 isolated_anon:0 [ 142.543260] active_file:24 inactive_file:0 isolated_file:0 [ 142.543260] unevictable:0 dirty:1 writeback:0 unstable:0 [ 142.543260] slab_reclaimable:5196 slab_unreclaimable:57273 [ 142.543260] mapped:2 shmem:48 pagetables:378 bounce:0 [ 142.543260] free:4553 free_pcp:0 free_cma:0 [ 142.681397] Node 0 active_anon:19920kB inactive_anon:164kB active_file:68kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:4kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 142.749683] DMA32 free:21168kB min:4792kB low:7868kB high:10944kB active_anon:376kB inactive_anon:20kB active_file:76kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:96kB pagetables:116kB bounce:0kB free_pcp:708kB local_pcp:0kB free_cma:0kB [ 142.900439] lowmem_reserve[]: 0 3437 3437 [ 142.922788] Normal free:5372kB min:5480kB low:9000kB high:12520kB active_anon:19444kB inactive_anon:144kB active_file:1896kB inactive_file:5544kB unevictable:0kB writepending:4kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2880kB pagetables:1396kB bounce:0kB free_pcp:608kB local_pcp:248kB free_cma:0kB [ 143.069492] lowmem_reserve[]: 0 0 0 [ 143.095844] DMA32: 1*4kB (U) 3*8kB (ME) 17*16kB (UM) 65*32kB (UM) 92*64kB (UME) 7*128kB (UM) 6*256kB (ME) 6*512kB (UME) 3*1024kB (ME) 2*2048kB (M) 0*4096kB = 20940kB [ 143.163790] Normal: 48*4kB (UME) 20*8kB (UME) 18*16kB (UME) 15*32kB (UME) 12*64kB (UME) 24*128kB (UM) 2*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5472kB [ 143.210237] 582 total pagecache pages [ 143.223162] 0 pages in swap cache [ 143.237245] Swap cache stats: add 0, delete 0, find 0/0 [ 143.254951] Free swap = 0kB [ 143.263685] Total swap = 0kB [ 143.273512] 1965979 pages RAM [ 143.283585] 0 pages HighMem/MovableOnly [ 143.296453] 315630 pages reserved [ 143.340054] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 143.349400] [ 191] 0 191 5385 183 17 3 0 -1000 udevd [ 143.420103] [ 298] 0 298 5384 190 15 3 0 -1000 udevd [ 143.429488] [ 299] 0 299 5384 183 15 3 0 -1000 udevd [ 143.490060] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 143.499277] [ 1630] 0 1630 30622 162 25 3 0 0 rsyslogd [ 143.550092] [ 1684] 0 1684 4725 50 15 3 0 0 cron [ 143.558990] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 143.630084] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 143.639528] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 143.720061] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 143.728869] [ 1828] 0 1828 17821 197 39 3 0 0 sshd [ 143.780061] [ 1830] 0 1830 32811 1751 27 5 0 0 syz-execprog [ 143.789464] [ 1844] 0 1844 9361 16 5 2 0 0 syz-executor3 [ 143.842784] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 143.891844] [ 1847] 0 1847 9360 22 6 3 0 0 syz-executor3 [ 143.947466] [ 1848] 0 1848 9361 16 5 2 0 0 syz-executor5 [ 144.012933] [ 1849] 0 1849 9360 20 6 3 0 0 syz-executor4 [ 144.049306] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 144.100092] [ 1851] 0 1851 9360 22 6 3 0 0 syz-executor5 [ 144.109678] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 144.170080] [ 1853] 0 1853 9360 21 6 3 0 0 syz-executor1 [ 144.179637] [ 1854] 0 1854 9360 21 6 3 0 0 syz-executor0 [ 144.260087] [ 4516] 0 4516 9361 17 5 2 0 0 syz-executor2 [ 144.269656] [ 4519] 0 4519 9361 17 5 2 0 0 syz-executor2 [ 144.330062] [ 4536] 0 4535 9426 0 9 4 0 1000 syz-executor5 [ 144.339611] [ 4549] 0 4548 9426 0 9 4 0 1000 syz-executor1 [ 144.390115] [ 4586] 0 4585 9426 28 9 4 0 1000 syz-executor4 [ 144.430069] [ 4589] 0 4587 9426 30 9 4 0 1000 syz-executor3 [ 144.439645] [ 4594] 0 4591 9426 29 9 4 0 1000 syz-executor0 [ 144.540103] [ 4606] 0 4606 1050 123 8 3 0 0 sh [ 144.548646] [ 4607] 0 4607 2102 165 8 3 0 0 ip [ 144.620090] Out of memory: Kill process 4587 (syz-executor3) score 999 or sacrifice child [ 144.628469] Killed process 4589 (syz-executor3) total-vm:37704kB, anon-rss:120kB, file-rss:0kB, shmem-rss:0kB [ 144.730311] oom_reaper: reaped process 4589 (syz-executor3), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 145.954390] ip (4623) used greatest stack depth: 23528 bytes left [ 146.535288] oom_reaper: reaped process 4602 (syz-executor0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 146.561202] syz-executor0 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=1000 [ 146.584530] CPU: 1 PID: 4594 Comm: syz-executor0 Not tainted 4.14.75+ #18 [ 146.591471] Call Trace: [ 146.594051] dump_stack+0xb9/0x11b [ 146.597590] dump_header+0x17d/0x7a8 [ 146.601299] ? trace_hardirqs_on_caller+0x381/0x520 [ 146.606304] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 146.611398] ? ___ratelimit+0x4f/0x3f0 [ 146.615286] oom_kill_process.cold.8+0x10/0xc88 [ 146.619951] ? lock_downgrade+0x560/0x560 [ 146.624098] ? check_preemption_disabled+0x34/0x160 [ 146.629114] out_of_memory+0x669/0xa60 [ 146.632998] ? oom_killer_disable+0x1f0/0x1f0 [ 146.637502] __alloc_pages_nodemask+0x1949/0x2300 [ 146.642359] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 146.647192] ? trace_hardirqs_on_caller+0x381/0x520 [ 146.652201] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 146.656986] __vmalloc_node_range+0x283/0x680 [ 146.661486] ? SyS_init_module+0x119/0x1e0 [ 146.665713] __vmalloc+0x63/0x80 [ 146.669073] ? SyS_init_module+0x119/0x1e0 [ 146.673301] SyS_init_module+0x119/0x1e0 [ 146.677357] ? load_module+0x9150/0x9150 [ 146.681432] ? do_syscall_64+0x43/0x4b0 [ 146.685396] ? load_module+0x9150/0x9150 [ 146.689454] do_syscall_64+0x19b/0x4b0 [ 146.693343] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 146.698525] RIP: 0033:0x457519 [ 146.701700] RSP: 002b:00007fb266c31c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000af [ 146.709406] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457519 [ 146.716669] RDX: 00000000200000c0 RSI: 00000000fffffc2f RDI: 0000000020000140 [ 146.723942] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 146.731207] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb266c326d4 [ 146.738466] R13: 00000000004bdd3a R14: 00000000004ce230 R15: 00000000ffffffff [ 146.760681] Mem-Info: [ 146.763132] active_anon:4918 inactive_anon:41 isolated_anon:0 [ 146.763132] active_file:72 inactive_file:106 isolated_file:0 [ 146.763132] unevictable:0 dirty:0 writeback:0 unstable:0 [ 146.763132] slab_reclaimable:5442 slab_unreclaimable:56947 [ 146.763132] mapped:127 shmem:48 pagetables:367 bounce:0 [ 146.763132] free:4681 free_pcp:294 free_cma:0 [ 146.795457] Node 0 active_anon:19672kB inactive_anon:164kB active_file:180kB inactive_file:304kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:308kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 146.817977] DMA32 free:33508kB min:4792kB low:7868kB high:10944kB active_anon:392kB inactive_anon:20kB active_file:588kB inactive_file:52kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:192kB pagetables:88kB bounce:0kB free_pcp:776kB local_pcp:120kB free_cma:0kB [ 146.845497] lowmem_reserve[]: 0 3437 3437 [ 146.849681] Normal free:16464kB min:5480kB low:9000kB high:12520kB active_anon:19380kB inactive_anon:144kB active_file:556kB inactive_file:144kB unevictable:0kB writepending:0kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2752kB pagetables:1380kB bounce:0kB free_pcp:924kB local_pcp:244kB free_cma:0kB [ 146.895578] lowmem_reserve[]: 0 0 0 [ 146.899248] DMA32: 14*4kB (M) 29*8kB (ME) 19*16kB (ME) 21*32kB (M) 15*64kB (UME) 10*128kB (UM) 9*256kB (UME) 6*512kB (UME) 3*1024kB (ME) 2*2048kB (M) 0*4096kB = 16048kB [ 146.916901] Normal: 53*4kB (MH) 41*8kB (UMH) 22*16kB (MH) 9*32kB (UM) 9*64kB (UMH) 2*128kB (UM) 2*256kB (UM) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 2524kB [ 146.941677] 111 total pagecache pages [ 146.945497] 0 pages in swap cache [ 146.948943] Swap cache stats: add 0, delete 0, find 0/0 [ 146.970077] Free swap = 0kB [ 146.973106] Total swap = 0kB [ 146.976108] 1965979 pages RAM [ 146.979196] 0 pages HighMem/MovableOnly [ 147.002836] 315630 pages reserved [ 147.006292] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 147.015836] [ 191] 0 191 5385 183 17 3 0 -1000 udevd [ 147.026972] [ 298] 0 298 5384 184 15 3 0 -1000 udevd [ 147.036577] [ 299] 0 299 5384 183 15 3 0 -1000 udevd [ 147.049025] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 147.058931] [ 1630] 0 1630 30622 162 25 3 0 0 rsyslogd [ 147.071866] [ 1684] 0 1684 4725 50 15 3 0 0 cron [ 147.082010] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 147.093542] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 147.104374] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 147.115327] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 147.125644] [ 1828] 0 1828 17821 197 39 3 0 0 sshd [ 147.141360] [ 1830] 0 1830 32811 1751 27 5 0 0 syz-execprog [ 147.160821] [ 1844] 0 1844 9361 16 5 2 0 0 syz-executor3 [ 147.192351] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 147.210098] [ 1847] 0 1847 9360 22 6 3 0 0 syz-executor3 [ 147.230087] [ 1848] 0 1848 9361 16 5 2 0 0 syz-executor5 [ 147.239567] [ 1849] 0 1849 9360 20 6 3 0 0 syz-executor4 [ 147.272287] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 147.290078] [ 1851] 0 1851 9360 22 6 3 0 0 syz-executor5 [ 147.302287] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 147.323744] [ 1853] 0 1853 9360 21 6 3 0 0 syz-executor1 [ 147.350082] [ 1854] 0 1854 9360 21 6 3 0 0 syz-executor0 [ 147.359548] [ 4516] 0 4516 9361 17 5 2 0 0 syz-executor2 [ 147.390091] [ 4519] 0 4519 9361 17 5 2 0 0 syz-executor2 [ 147.399580] [ 4586] 0 4585 9426 28 9 4 0 1000 syz-executor4 [ 147.433059] [ 4589] 0 4587 9426 0 9 4 0 1000 syz-executor3 [ 147.453670] [ 4594] 0 4591 9426 0 9 4 0 1000 syz-executor0 [ 147.471838] Out of memory: Kill process 4585 (syz-executor4) score 999 or sacrifice child [ 147.520106] Killed process 4586 (syz-executor4) total-vm:37704kB, anon-rss:112kB, file-rss:0kB, shmem-rss:0kB [ 147.540828] oom_reaper: reaped process 4586 (syz-executor4), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 147.644310] udevd invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=-1000 [ 147.680228] CPU: 1 PID: 4630 Comm: udevd Not tainted 4.14.75+ #18 [ 147.686484] Call Trace: [ 147.689087] dump_stack+0xb9/0x11b [ 147.692632] dump_header+0x17d/0x7a8 [ 147.696342] ? trace_hardirqs_on_caller+0x381/0x520 [ 147.701346] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 147.706444] ? ___ratelimit+0x4f/0x3f0 [ 147.710330] oom_kill_process.cold.8+0x10/0xc88 [ 147.714989] ? lock_downgrade+0x560/0x560 [ 147.719130] ? check_preemption_disabled+0x34/0x160 [ 147.724153] out_of_memory+0x669/0xa60 [ 147.728035] ? oom_killer_disable+0x1f0/0x1f0 [ 147.732530] __alloc_pages_nodemask+0x1949/0x2300 [ 147.737410] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 147.742249] ? find_get_entry+0x118/0x550 [ 147.746389] ? __radix_tree_lookup+0x220/0x220 [ 147.750969] ? check_preemption_disabled+0x34/0x160 [ 147.755978] ? find_get_entry+0x13f/0x550 [ 147.760124] ? pagecache_get_page+0x129/0x770 [ 147.764613] filemap_fault+0xcdd/0x14a0 [ 147.768596] ext4_filemap_fault+0x7d/0xb0 [ 147.772737] __do_fault+0x80/0x210 [ 147.776266] __handle_mm_fault+0xe04/0x23a0 [ 147.780580] ? __set_current_blocked+0x95/0x100 [ 147.785252] ? vm_insert_page+0x6d0/0x6d0 [ 147.789473] ? trace_hardirqs_on_caller+0x381/0x520 [ 147.794477] ? _raw_spin_unlock_irq+0x35/0x50 [ 147.798971] ? check_preemption_disabled+0x34/0x160 [ 147.803980] handle_mm_fault+0x2f2/0x6eb [ 147.808028] __do_page_fault+0x45d/0xb60 [ 147.812083] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 147.817605] ? bad_area_access_error+0x330/0x330 [ 147.822345] ? page_fault+0x2c/0x50 [ 147.825958] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 147.830787] ? page_fault+0x2c/0x50 [ 147.834401] page_fault+0x42/0x50 [ 147.837843] RIP: 0007:0x1ee3030 2018/10/11 19:01:18 executed programs: 16 [ 147.841105] RSP: ffffffff:0000000000625500 EFLAGS: 01f2b1f0 [ 148.296724] Mem-Info: [ 148.339536] active_anon:4924 inactive_anon:39 isolated_anon:0 [ 148.339536] active_file:63 inactive_file:344 isolated_file:0 [ 148.339536] unevictable:0 dirty:16 writeback:0 unstable:0 [ 148.339536] slab_reclaimable:5502 slab_unreclaimable:56775 [ 148.339536] mapped:309 shmem:48 pagetables:380 bounce:0 [ 148.339536] free:9762 free_pcp:322 free_cma:0 [ 148.450135] Node 0 active_anon:19696kB inactive_anon:156kB active_file:192kB inactive_file:1492kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:1036kB dirty:64kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 148.540084] DMA32 free:17828kB min:4792kB low:7868kB high:10944kB active_anon:216kB inactive_anon:12kB active_file:96kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:224kB pagetables:80kB bounce:0kB free_pcp:744kB local_pcp:100kB free_cma:0kB [ 148.627284] random: crng init done [ 148.658175] lowmem_reserve[]: 0 3437 3437 [ 148.674877] Normal free:6288kB min:5480kB low:9000kB high:12520kB active_anon:19480kB inactive_anon:144kB active_file:680kB inactive_file:1376kB unevictable:0kB writepending:64kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2848kB pagetables:1440kB bounce:0kB free_pcp:888kB local_pcp:748kB free_cma:0kB [ 148.749480] lowmem_reserve[]: 0 0 0 [ 148.756811] DMA32: 223*4kB (UME) 193*8kB (UME) 347*16kB (UM) 858*32kB (UME) 255*64kB (UME) 21*128kB (UM) 17*256kB (UME) 13*512kB (UME) 3*1024kB (ME) 2*2048kB (M) 0*4096kB = 72628kB [ 148.830086] Normal: 27*4kB (MH) 17*8kB (MEH) 17*16kB (MEH) 23*32kB (UMH) 30*64kB (UMH) 2*128kB (UM) 1*256kB (M) 2*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 4708kB [ 148.877225] 239 total pagecache pages [ 148.889086] 0 pages in swap cache [ 148.900617] Swap cache stats: add 0, delete 0, find 0/0 [ 148.916080] Free swap = 0kB [ 148.925694] Total swap = 0kB [ 148.935387] 1965979 pages RAM [ 148.980237] 0 pages HighMem/MovableOnly [ 149.000081] 315630 pages reserved [ 149.017688] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 149.055207] [ 191] 0 191 5385 183 17 3 0 -1000 udevd [ 149.083727] [ 298] 0 298 5384 184 15 3 0 -1000 udevd [ 149.106099] [ 299] 0 299 5384 183 15 3 0 -1000 udevd [ 149.126254] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 149.148425] [ 1630] 0 1630 30622 163 25 3 0 0 rsyslogd [ 149.210074] [ 1684] 0 1684 4725 50 15 3 0 0 cron [ 149.218773] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 149.326786] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 149.367477] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 149.422654] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 149.461206] [ 1828] 0 1828 17821 197 39 3 0 0 sshd [ 149.480090] [ 1830] 0 1830 32811 1752 27 5 0 0 syz-execprog [ 149.495326] [ 1844] 0 1844 9361 16 5 2 0 0 syz-executor3 [ 149.523009] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 149.536822] [ 1847] 0 1847 9360 22 6 3 0 0 syz-executor3 [ 149.546413] [ 1848] 0 1848 9361 16 5 2 0 0 syz-executor5 [ 149.555899] [ 1849] 0 1849 9360 20 6 3 0 0 syz-executor4 [ 149.565544] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 149.575922] [ 1851] 0 1851 9360 22 6 3 0 0 syz-executor5 [ 149.585597] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 149.595456] [ 1853] 0 1853 9360 21 6 3 0 0 syz-executor1 [ 149.605099] [ 1854] 0 1854 9360 21 6 3 0 0 syz-executor0 [ 149.622250] [ 4516] 0 4516 9361 17 5 2 0 0 syz-executor2 [ 149.680917] [ 4519] 0 4519 9361 17 5 2 0 0 syz-executor2 [ 149.720055] [ 4586] 0 4585 9426 0 9 4 0 1000 syz-executor4 [ 149.729601] [ 4594] 0 4591 9426 0 9 4 0 1000 syz-executor0 [ 149.762750] [ 4630] 0 4630 5384 183 15 3 0 -1000 udevd [ 149.832568] [ 4636] 0 4633 9426 30 9 4 0 1000 syz-executor5 [ 149.853064] [ 4635] 0 4634 9426 29 9 4 0 1000 syz-executor1 [ 149.883353] [ 4645] 0 4645 103 1 4 3 0 0 sh [ 149.922158] Out of memory: Kill process 1830 (syz-execprog) score 1 or sacrifice child [ 149.961003] Killed process 4516 (syz-executor2) total-vm:37444kB, anon-rss:68kB, file-rss:0kB, shmem-rss:0kB [ 150.103265] oom_reaper: reaped process 4635 (syz-executor1), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 150.220912] oom_reaper: reaped process 4643 (syz-executor5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 150.240252] syz-executor5 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=1000 [ 150.270049] CPU: 1 PID: 4636 Comm: syz-executor5 Not tainted 4.14.75+ #18 [ 150.277017] Call Trace: [ 150.279602] dump_stack+0xb9/0x11b [ 150.283139] dump_header+0x17d/0x7a8 [ 150.286856] ? trace_hardirqs_on_caller+0x381/0x520 [ 150.291868] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 150.296976] ? ___ratelimit+0x4f/0x3f0 [ 150.300865] oom_kill_process.cold.8+0x10/0xc88 [ 150.305540] ? lock_downgrade+0x560/0x560 [ 150.309708] ? check_preemption_disabled+0x34/0x160 [ 150.314742] out_of_memory+0x669/0xa60 [ 150.318626] ? oom_killer_disable+0x1f0/0x1f0 [ 150.323125] __alloc_pages_nodemask+0x1949/0x2300 [ 150.327976] ? retint_kernel+0x2d/0x2d [ 150.331879] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 150.336715] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 150.341478] ? retint_kernel+0x2d/0x2d [ 150.345402] __vmalloc_node_range+0x283/0x680 [ 150.349918] ? SyS_init_module+0x119/0x1e0 [ 150.354142] __vmalloc+0x63/0x80 [ 150.357502] ? SyS_init_module+0x119/0x1e0 [ 150.361723] SyS_init_module+0x119/0x1e0 [ 150.365772] ? load_module+0x9150/0x9150 [ 150.369859] ? do_syscall_64+0x43/0x4b0 [ 150.373844] ? load_module+0x9150/0x9150 [ 150.377899] do_syscall_64+0x19b/0x4b0 [ 150.381781] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 150.386957] RIP: 0033:0x457519 [ 150.390133] RSP: 002b:00007f0e9323ac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000af [ 150.397840] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457519 [ 150.405097] RDX: 00000000200000c0 RSI: 00000000fffffc2f RDI: 0000000020000140 [ 150.412353] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 150.419634] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0e9323b6d4 [ 150.426888] R13: 00000000004bdd3a R14: 00000000004ce230 R15: 00000000ffffffff [ 150.873773] Mem-Info: [ 150.876601] active_anon:4859 inactive_anon:38 isolated_anon:0 [ 150.876601] active_file:390 inactive_file:500 isolated_file:6 [ 150.876601] unevictable:0 dirty:8 writeback:0 unstable:0 [ 150.876601] slab_reclaimable:5593 slab_unreclaimable:56768 [ 150.876601] mapped:572 shmem:48 pagetables:364 bounce:0 [ 150.876601] free:18597 free_pcp:388 free_cma:0 2018/10/11 19:01:21 result: failed=false hanged=false err=executor 2: EOF 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 Error: argument "team0" is wrong: Device does not exist Cannot find device "bridge_slave_1" [ 151.058047] Node 0 active_anon:19492kB inactive_anon:164kB active_file:2192kB inactive_file:5292kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:5484kB dirty:32kB writeback:20kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 151.190068] DMA32 free:97104kB min:4792kB low:7868kB high:10944kB active_anon:76kB inactive_anon:12kB active_file:1208kB inactive_file:1436kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:192kB pagetables:48kB bounce:0kB free_pcp:816kB local_pcp:152kB free_cma:0kB [ 151.340043] lowmem_reserve[]: 0 3437 3437 [ 151.344254] Normal free:10852kB min:5480kB low:9000kB high:12520kB active_anon:19496kB inactive_anon:152kB active_file:1028kB inactive_file:3900kB unevictable:0kB writepending:36kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2848kB pagetables:1400kB bounce:0kB free_pcp:740kB local_pcp:120kB free_cma:0kB [ 151.500067] lowmem_reserve[]: 0 0 0 [ 151.503743] DMA32: 197*4kB (UM) 242*8kB (UE) 124*16kB (UME) 176*32kB (UE) 552*64kB (UME) 68*128kB (UME) 11*256kB (UM) 14*512kB (UME) 5*1024kB (UME) 2*2048kB (M) 0*4096kB = 73572kB [ 151.600048] Normal: 899*4kB (U) 1025*8kB (UE) 754*16kB (UME) 56*32kB (UEH) 27*64kB (UMEH) 24*128kB (U) 15*256kB (UM) 9*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 38900kB [ 151.680051] 1949 total pagecache pages [ 151.683997] 0 pages in swap cache [ 151.687442] Swap cache stats: add 0, delete 0, find 0/0 [ 151.737885] Free swap = 0kB [ 151.750057] Total swap = 0kB [ 151.753082] 1965979 pages RAM [ 151.756172] 0 pages HighMem/MovableOnly [ 151.800192] 315630 pages reserved [ 151.803671] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 151.880201] [ 191] 0 191 5385 290 17 3 0 -1000 udevd [ 151.888989] [ 298] 0 298 5384 543 15 3 0 -1000 udevd [ 151.980069] [ 299] 0 299 5384 533 15 3 0 -1000 udevd [ 151.988859] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 152.070062] [ 1630] 0 1630 30622 163 25 3 0 0 rsyslogd [ 152.079110] [ 1684] 0 1684 4725 50 15 3 0 0 cron [ 152.170057] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 152.179191] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 152.260082] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 152.268784] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 152.340053] [ 1828] 0 1828 17821 240 39 3 0 0 sshd [ 152.348755] [ 1830] 0 1830 32811 1752 27 5 0 0 syz-execprog [ 152.440053] [ 1844] 0 1844 9361 16 5 2 0 0 syz-executor3 [ 152.449535] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 152.510051] [ 1847] 0 1847 9360 22 6 3 0 0 syz-executor3 [ 152.519537] [ 1848] 0 1848 9361 16 5 2 0 0 syz-executor5 [ 152.580055] [ 1849] 0 1849 9360 20 6 3 0 0 syz-executor4 [ 152.589547] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 152.690070] [ 1851] 0 1851 9360 22 6 3 0 0 syz-executor5 [ 152.699557] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 152.760054] [ 1853] 0 1853 9360 21 6 3 0 0 syz-executor1 [ 152.769537] [ 1854] 0 1854 9360 21 6 3 0 0 syz-executor0 [ 152.850060] [ 4586] 0 4585 9426 0 9 4 0 1000 syz-executor4 [ 152.859543] [ 4594] 0 4591 9426 0 9 4 0 1000 syz-executor0 [ 152.940056] [ 4636] 0 4633 9426 0 9 4 0 1000 syz-executor5 [ 152.949542] [ 4635] 0 4634 9426 0 9 4 0 1000 syz-executor1 [ 153.020071] [ 4648] 0 4647 9426 52 9 4 0 1000 syz-executor3 [ 153.029561] [ 4651] 0 4651 9361 195 5 2 0 0 syz-executor2 [ 153.100079] [ 4652] 0 4652 9361 19 5 2 0 0 syz-executor2 [ 153.109581] Out of memory: Kill process 4647 (syz-executor3) score 999 or sacrifice child [ 153.150506] Killed process 4648 (syz-executor3) total-vm:37704kB, anon-rss:120kB, file-rss:88kB, shmem-rss:0kB [ 153.200573] oom_reaper: reaped process 4648 (syz-executor3), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB 2018/10/11 19:01:23 executed programs: 20 [ 154.639932] syz-executor4 invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=1000 [ 154.653669] CPU: 0 PID: 4683 Comm: syz-executor4 Not tainted 4.14.75+ #18 [ 154.660595] Call Trace: [ 154.663172] dump_stack+0xb9/0x11b [ 154.666702] dump_header+0x17d/0x7a8 [ 154.670404] ? trace_hardirqs_on_caller+0x381/0x520 [ 154.675411] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 154.680501] ? ___ratelimit+0x4f/0x3f0 [ 154.684380] oom_kill_process.cold.8+0x10/0xc88 [ 154.689036] ? lock_downgrade+0x560/0x560 [ 154.693173] ? check_preemption_disabled+0x34/0x160 [ 154.698179] out_of_memory+0x669/0xa60 [ 154.702059] ? oom_killer_disable+0x1f0/0x1f0 [ 154.706554] __alloc_pages_nodemask+0x1949/0x2300 [ 154.711403] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 154.716237] ? find_get_entry+0x118/0x550 [ 154.720378] ? check_preemption_disabled+0x34/0x160 [ 154.725381] ? check_preemption_disabled+0x34/0x160 [ 154.730398] ? find_get_entry+0x13f/0x550 [ 154.734557] ? pagecache_get_page+0x129/0x770 [ 154.739043] filemap_fault+0xcdd/0x14a0 [ 154.743024] ext4_filemap_fault+0x7d/0xb0 [ 154.747159] __do_fault+0x80/0x210 [ 154.750691] __handle_mm_fault+0xe04/0x23a0 [ 154.755004] ? vm_insert_page+0x6d0/0x6d0 [ 154.759159] ? check_preemption_disabled+0x34/0x160 [ 154.764165] handle_mm_fault+0x2f2/0x6eb [ 154.768217] __do_page_fault+0x45d/0xb60 [ 154.772268] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 154.777618] ? bad_area_access_error+0x330/0x330 [ 154.782359] ? page_fault+0x2c/0x50 [ 154.785971] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 154.790801] ? page_fault+0x2c/0x50 [ 154.794413] page_fault+0x42/0x50 [ 154.797852] RIP: 39f3d80f:0x7f2ad4bb09c0 [ 154.801899] RSP: 72bf08:000000000072bf00 EFLAGS: 0072bf0c [ 154.805061] Mem-Info: [ 154.813050] active_anon:4942 inactive_anon:39 isolated_anon:0 [ 154.813050] active_file:117 inactive_file:108 isolated_file:32 [ 154.813050] unevictable:0 dirty:40 writeback:0 unstable:0 [ 154.813050] slab_reclaimable:5676 slab_unreclaimable:56653 [ 154.813050] mapped:182 shmem:48 pagetables:365 bounce:0 [ 154.813050] free:4494 free_pcp:149 free_cma:0 [ 154.846188] Node 0 active_anon:19768kB inactive_anon:156kB active_file:468kB inactive_file:432kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:528kB dirty:160kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 154.869494] DMA32 free:15784kB min:4792kB low:7868kB high:10944kB active_anon:244kB inactive_anon:12kB active_file:72kB inactive_file:24kB unevictable:0kB writepending:28kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:160kB pagetables:60kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 154.896719] lowmem_reserve[]: 0 3437 3437 [ 154.900960] Normal free:3284kB min:5480kB low:9000kB high:12520kB active_anon:19600kB inactive_anon:144kB active_file:360kB inactive_file:388kB unevictable:0kB writepending:96kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2848kB pagetables:1420kB bounce:0kB free_pcp:96kB local_pcp:0kB free_cma:0kB [ 154.931277] lowmem_reserve[]: 0 0 0 [ 154.935009] DMA32: 48*4kB (ME) 48*8kB (UM) 41*16kB (UME) 31*32kB (M) 26*64kB (UME) 5*128kB (M) 2*256kB (UM) 6*512kB (UME) 4*1024kB (UME) 2*2048kB (M) 0*4096kB = 16304kB [ 154.950316] Normal: 80*4kB (UME) 45*8kB (UME) 26*16kB (UME) 11*32kB (MH) 8*64kB (MH) 4*128kB (UMH) 2*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 2984kB [ 154.964658] 120 total pagecache pages [ 154.968490] 0 pages in swap cache [ 154.971977] Swap cache stats: add 0, delete 0, find 0/0 [ 154.977334] Free swap = 0kB [ 154.981147] Total swap = 0kB [ 154.984164] 1965979 pages RAM [ 154.987243] 0 pages HighMem/MovableOnly [ 154.991313] 315630 pages reserved [ 154.994742] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 155.003444] [ 191] 0 191 5385 183 17 3 0 -1000 udevd [ 155.012532] [ 298] 0 298 5384 183 15 3 0 -1000 udevd [ 155.021308] [ 299] 0 299 5384 184 15 3 0 -1000 udevd [ 155.030751] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 155.039769] [ 1630] 0 1630 30622 163 25 3 0 0 rsyslogd [ 155.051155] [ 1684] 0 1684 4725 50 15 3 0 0 cron [ 155.059877] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 155.078506] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 155.088525] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 155.145336] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 155.158349] [ 1828] 0 1828 17821 197 39 3 0 0 sshd [ 155.224459] [ 1830] 0 1830 32811 1753 27 5 0 0 syz-execprog [ 155.283843] [ 1844] 0 1844 9361 16 5 2 0 0 syz-executor3 [ 155.313112] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 155.342958] [ 1847] 0 1847 9360 22 6 3 0 0 syz-executor3 [ 155.362468] [ 1848] 0 1848 9361 16 5 2 0 0 syz-executor5 [ 155.392355] [ 1849] 0 1849 9360 20 6 3 0 0 syz-executor4 [ 155.412455] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 155.442943] [ 1851] 0 1851 9360 22 6 3 0 0 syz-executor5 [ 155.462333] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 155.492467] [ 1853] 0 1853 9360 21 6 3 0 0 syz-executor1 [ 155.512609] [ 1854] 0 1854 9360 21 6 3 0 0 syz-executor0 [ 155.543154] [ 4636] 0 4633 9426 0 9 4 0 1000 syz-executor5 [ 155.573960] [ 4648] 0 4647 9426 0 9 4 0 1000 syz-executor3 [ 155.603881] [ 4651] 0 4651 9361 15 5 2 0 0 syz-executor2 [ 155.633869] [ 4652] 0 4652 9361 15 5 2 0 0 syz-executor2 [ 155.663956] [ 4656] 0 4654 9426 29 9 4 0 1000 syz-executor1 [ 155.693873] [ 4678] 0 4678 1050 18 8 3 0 0 sh [ 155.723867] [ 4679] 0 4679 2135 23 9 3 0 0 ip [ 155.753735] [ 4681] 0 4681 1548 12 7 3 0 -1000 blkid [ 155.783937] [ 4682] 0 4682 9393 20 9 4 0 1000 syz-executor4 [ 155.813163] Out of memory: Kill process 4654 (syz-executor1) score 999 or sacrifice child [ 155.833177] Killed process 4656 (syz-executor1) total-vm:37704kB, anon-rss:116kB, file-rss:0kB, shmem-rss:0kB [ 155.890258] oom_reaper: reaped process 4656 (syz-executor1), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 155.926624] syz-executor4 invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=1000 [ 155.970071] CPU: 0 PID: 4682 Comm: syz-executor4 Not tainted 4.14.75+ #18 [ 155.977024] Call Trace: [ 155.979781] dump_stack+0xb9/0x11b [ 155.983322] dump_header+0x17d/0x7a8 [ 155.987028] ? trace_hardirqs_on_caller+0x381/0x520 [ 155.992046] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 155.997140] ? ___ratelimit+0x4f/0x3f0 [ 156.001023] oom_kill_process.cold.8+0x10/0xc88 [ 156.005686] ? lock_downgrade+0x560/0x560 [ 156.009842] ? check_preemption_disabled+0x34/0x160 [ 156.014856] out_of_memory+0x669/0xa60 [ 156.018737] ? oom_killer_disable+0x1f0/0x1f0 [ 156.023261] __alloc_pages_nodemask+0x1949/0x2300 [ 156.028115] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 156.032952] ? find_get_entry+0x118/0x550 [ 156.037100] ? check_preemption_disabled+0x34/0x160 [ 156.042106] ? check_preemption_disabled+0x34/0x160 [ 156.047169] ? find_get_entry+0x13f/0x550 [ 156.051315] ? pagecache_get_page+0x129/0x770 [ 156.055812] filemap_fault+0xcdd/0x14a0 [ 156.059796] ext4_filemap_fault+0x7d/0xb0 [ 156.063943] __do_fault+0x80/0x210 [ 156.067478] __handle_mm_fault+0xe04/0x23a0 [ 156.071805] ? SyS_futex+0x249/0x2b5 [ 156.075511] ? vm_insert_page+0x6d0/0x6d0 [ 156.079652] ? SyS_futex+0x249/0x2b5 [ 156.083378] ? check_preemption_disabled+0x34/0x160 [ 156.088396] handle_mm_fault+0x2f2/0x6eb [ 156.092454] __do_page_fault+0x45d/0xb60 [ 156.096526] ? retint_user+0x18/0x18 [ 156.100233] ? bad_area_access_error+0x330/0x330 [ 156.105011] ? page_fault+0x2c/0x50 [ 156.108630] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 156.113467] ? page_fault+0x2c/0x50 [ 156.117096] page_fault+0x42/0x50 [ 156.120538] RIP: 03e8:0x25c24 [ 156.123639] RSP: 72bf00:000000000000002d EFLAGS: 0072bf0c [ 156.606349] Mem-Info: [ 156.641300] active_anon:4916 inactive_anon:39 isolated_anon:0 [ 156.641300] active_file:616 inactive_file:552 isolated_file:32 [ 156.641300] unevictable:0 dirty:5 writeback:0 unstable:0 [ 156.641300] slab_reclaimable:5718 slab_unreclaimable:56549 [ 156.641300] mapped:1037 shmem:48 pagetables:341 bounce:0 [ 156.641300] free:7019 free_pcp:525 free_cma:0 [ 156.762816] Node 0 active_anon:19664kB inactive_anon:156kB active_file:1008kB inactive_file:1028kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:1448kB dirty:20kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 156.859877] DMA32 free:18004kB min:4792kB low:7868kB high:10944kB active_anon:296kB inactive_anon:12kB active_file:40kB inactive_file:0kB unevictable:0kB writepending:4kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:160kB pagetables:68kB bounce:0kB free_pcp:780kB local_pcp:124kB free_cma:0kB [ 157.003157] lowmem_reserve[]: 0 3437 3437 [ 157.023968] Normal free:8976kB min:5480kB low:9000kB high:12520kB active_anon:19564kB inactive_anon:144kB active_file:2188kB inactive_file:2956kB unevictable:0kB writepending:16kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2912kB pagetables:1312kB bounce:0kB free_pcp:584kB local_pcp:212kB free_cma:0kB [ 157.151527] lowmem_reserve[]: 0 0 0 [ 157.167309] DMA32: 2*4kB (UE) 3*8kB (UE) 448*16kB (UM) 4141*32kB (UM) 825*64kB (UME) 31*128kB (UM) 9*256kB (UM) 6*512kB (UME) 4*1024kB (UME) 2*2048kB (M) 0*4096kB = 210048kB [ 157.234856] Normal: 8*4kB (UMH) 12*8kB (UEH) 13*16kB (UEH) 4*32kB (UMH) 6*64kB (EH) 2*128kB (H) 31*256kB (UM) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 9040kB [ 157.293960] 1416 total pagecache pages [ 157.311232] 0 pages in swap cache [ 157.326757] Swap cache stats: add 0, delete 0, find 0/0 [ 157.348329] Free swap = 0kB [ 157.361366] Total swap = 0kB [ 157.374300] 1965979 pages RAM [ 157.390102] 0 pages HighMem/MovableOnly [ 157.407229] 315630 pages reserved [ 157.420081] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 157.457208] [ 191] 0 191 5385 183 17 3 0 -1000 udevd [ 157.500098] [ 298] 0 298 5384 193 15 3 0 -1000 udevd [ 157.542548] [ 299] 0 299 5384 193 15 3 0 -1000 udevd [ 157.584333] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 157.625580] [ 1630] 0 1630 30622 163 25 3 0 0 rsyslogd [ 157.669716] [ 1684] 0 1684 4725 50 15 3 0 0 cron [ 157.710527] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 157.770122] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 157.779445] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 157.850067] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 157.858885] [ 1828] 0 1828 17821 197 39 3 0 0 sshd [ 157.924737] [ 1830] 0 1830 32811 1753 27 5 0 0 syz-execprog [ 157.960684] [ 1844] 0 1844 9361 16 5 2 0 0 syz-executor3 [ 158.001350] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 158.040095] [ 1847] 0 1847 9360 22 6 3 0 0 syz-executor3 [ 158.049583] [ 1848] 0 1848 9361 16 5 2 0 0 syz-executor5 [ 158.140090] [ 1849] 0 1849 9360 20 6 3 0 0 syz-executor4 [ 158.149580] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 158.220703] [ 1851] 0 1851 9360 22 6 3 0 0 syz-executor5 [ 158.270087] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 158.279573] [ 1853] 0 1853 9360 21 6 3 0 0 syz-executor1 [ 158.340091] [ 1854] 0 1854 9360 21 6 3 0 0 syz-executor0 [ 158.349597] [ 4636] 0 4633 9426 0 9 4 0 1000 syz-executor5 [ 158.420095] [ 4648] 0 4647 9426 0 9 4 0 1000 syz-executor3 [ 158.429594] [ 4651] 0 4651 9361 15 5 2 0 0 syz-executor2 [ 158.510062] [ 4652] 0 4652 9361 20 5 2 0 0 syz-executor2 [ 158.519565] [ 4656] 0 4654 9426 0 9 4 0 1000 syz-executor1 [ 158.590060] [ 4682] 0 4682 9393 20 9 4 0 1000 syz-executor4 [ 158.620127] [ 4688] 0 4686 9426 113 9 4 0 1000 syz-executor0 [ 158.629616] [ 4752] 0 4752 1050 120 7 3 0 0 sh [ 158.716858] Out of memory: Kill process 4682 (syz-executor4) score 999 or sacrifice child [ 158.755361] Killed process 4682 (syz-executor4) total-vm:37572kB, anon-rss:80kB, file-rss:0kB, shmem-rss:0kB [ 158.804646] oom_reaper: reaped process 4682 (syz-executor4), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB 2018/10/11 19:01:29 executed programs: 23 [ 160.013154] oom_reaper: reaped process 4688 (syz-executor0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 160.031693] rsyslogd invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 160.044868] CPU: 0 PID: 1633 Comm: rsyslogd Not tainted 4.14.75+ #18 [ 160.051364] Call Trace: [ 160.053949] dump_stack+0xb9/0x11b [ 160.057468] dump_header+0x17d/0x7a8 [ 160.061165] ? trace_hardirqs_on_caller+0x381/0x520 [ 160.066170] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 160.071251] ? ___ratelimit+0x4f/0x3f0 [ 160.075116] oom_kill_process.cold.8+0x10/0xc88 [ 160.079758] ? lock_downgrade+0x560/0x560 [ 160.083909] ? check_preemption_disabled+0x34/0x160 [ 160.088917] out_of_memory+0x669/0xa60 [ 160.092788] ? oom_killer_disable+0x1f0/0x1f0 [ 160.097265] __alloc_pages_nodemask+0x1949/0x2300 [ 160.102092] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 160.106918] ? find_get_entry+0x118/0x550 [ 160.111052] ? __radix_tree_lookup+0x220/0x220 [ 160.115612] ? check_preemption_disabled+0x34/0x160 [ 160.120607] ? find_get_entry+0x13f/0x550 [ 160.124732] ? pagecache_get_page+0x129/0x770 [ 160.129203] filemap_fault+0xcdd/0x14a0 [ 160.133166] ext4_filemap_fault+0x7d/0xb0 [ 160.137289] __do_fault+0x80/0x210 [ 160.140808] __handle_mm_fault+0xe04/0x23a0 [ 160.145107] ? SyS_read+0x158/0x1a0 [ 160.148714] ? vm_insert_page+0x6d0/0x6d0 [ 160.152841] ? __fsnotify_parent+0xb1/0x300 [ 160.157149] ? check_preemption_disabled+0x34/0x160 [ 160.162146] handle_mm_fault+0x2f2/0x6eb [ 160.166185] __do_page_fault+0x45d/0xb60 [ 160.170229] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 160.175570] ? bad_area_access_error+0x330/0x330 [ 160.180301] ? page_fault+0x2c/0x50 [ 160.183907] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 160.188731] ? page_fault+0x2c/0x50 [ 160.192335] page_fault+0x42/0x50 [ 160.195764] RIP: 97f919c0:0x7fb39b036040 [ 160.199795] RSP: 1496650:0000000000000000 EFLAGS: 0065e420 [ 160.201941] Mem-Info: [ 160.209980] active_anon:4911 inactive_anon:41 isolated_anon:0 [ 160.209980] active_file:37 inactive_file:0 isolated_file:27 [ 160.209980] unevictable:0 dirty:1 writeback:0 unstable:0 [ 160.209980] slab_reclaimable:5801 slab_unreclaimable:56418 [ 160.209980] mapped:2 shmem:48 pagetables:354 bounce:0 [ 160.209980] free:4939 free_pcp:0 free_cma:0 [ 160.242707] Node 0 active_anon:19644kB inactive_anon:164kB active_file:96kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:4kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 160.265625] DMA32 free:15760kB min:4792kB low:7868kB high:10944kB active_anon:172kB inactive_anon:12kB active_file:80kB inactive_file:68kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:224kB pagetables:72kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 160.292915] lowmem_reserve[]: 0 3437 3437 [ 160.297099] Normal free:2688kB min:5480kB low:9000kB high:12520kB active_anon:19472kB inactive_anon:152kB active_file:16kB inactive_file:48kB unevictable:0kB writepending:4kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2752kB pagetables:1344kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 160.325064] lowmem_reserve[]: 0 0 0 [ 160.328704] DMA32: 38*4kB (UME) 23*8kB (UME) 20*16kB (UME) 16*32kB (UM) 14*64kB (UME) 9*128kB (UME) 7*256kB (ME) 5*512kB (UM) 4*1024kB (UME) 2*2048kB (M) 0*4096kB = 15760kB [ 160.344992] Normal: 1*4kB (U) 0*8kB 0*16kB 0*32kB 1*64kB (U) 1*128kB (U) 0*256kB 3*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 2756kB [ 160.357160] 101 total pagecache pages [ 160.360987] 0 pages in swap cache [ 160.364431] Swap cache stats: add 0, delete 0, find 0/0 [ 160.369780] Free swap = 0kB [ 160.372818] Total swap = 0kB [ 160.375827] 1965979 pages RAM [ 160.378919] 0 pages HighMem/MovableOnly [ 160.383194] 315630 pages reserved [ 160.386646] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 160.398214] [ 191] 0 191 5385 184 17 3 0 -1000 udevd [ 160.408450] [ 298] 0 298 5384 184 15 3 0 -1000 udevd [ 160.422988] [ 299] 0 299 5384 184 15 3 0 -1000 udevd [ 160.434012] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 160.446129] [ 1630] 0 1630 30622 163 25 3 0 0 rsyslogd [ 160.457886] [ 1684] 0 1684 4725 50 15 3 0 0 cron [ 160.472855] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 160.502912] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 160.522850] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 160.550083] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 160.558930] [ 1828] 0 1828 17821 197 39 3 0 0 sshd [ 160.583084] [ 1830] 0 1830 32811 1753 27 5 0 0 syz-execprog [ 160.603565] [ 1844] 0 1844 9361 16 5 2 0 0 syz-executor3 [ 160.631417] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 160.651984] [ 1847] 0 1847 9360 22 6 3 0 0 syz-executor3 [ 160.670776] [ 1848] 0 1848 9361 16 5 2 0 0 syz-executor5 [ 160.690827] [ 1849] 0 1849 9360 20 6 3 0 0 syz-executor4 [ 160.710917] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 160.731546] [ 1851] 0 1851 9360 22 6 3 0 0 syz-executor5 [ 160.750866] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 160.781589] [ 1853] 0 1853 9360 21 6 3 0 0 syz-executor1 [ 160.801452] [ 1854] 0 1854 9360 21 6 3 0 0 syz-executor0 [ 160.820851] [ 4651] 0 4651 9361 15 5 2 0 0 syz-executor2 [ 160.840713] [ 4652] 0 4652 9361 15 5 2 0 0 syz-executor2 [ 160.860636] [ 4683] 0 4682 9393 0 9 4 0 1000 syz-executor4 [ 160.880054] [ 4688] 0 4686 9426 0 9 4 0 1000 syz-executor0 [ 160.889514] [ 4773] 0 4773 9393 22 9 4 0 1000 syz-executor5 [ 160.920257] [ 4786] 0 4786 9393 21 9 4 0 1000 syz-executor1 [ 160.929747] Out of memory: Kill process 4773 (syz-executor5) score 999 or sacrifice child [ 160.960851] Killed process 4773 (syz-executor5) total-vm:37572kB, anon-rss:88kB, file-rss:0kB, shmem-rss:0kB [ 161.011024] oom_reaper: reaped process 4773 (syz-executor5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 161.040937] syz-execprog invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 161.080071] CPU: 0 PID: 1834 Comm: syz-execprog Not tainted 4.14.75+ #18 [ 161.086949] Call Trace: [ 161.089533] dump_stack+0xb9/0x11b [ 161.093070] dump_header+0x17d/0x7a8 [ 161.096777] ? trace_hardirqs_on_caller+0x381/0x520 [ 161.101784] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 161.106881] ? ___ratelimit+0x4f/0x3f0 [ 161.110779] oom_kill_process.cold.8+0x10/0xc88 [ 161.115445] ? lock_downgrade+0x560/0x560 [ 161.119605] ? check_preemption_disabled+0x34/0x160 [ 161.124632] out_of_memory+0x669/0xa60 [ 161.128517] ? oom_killer_disable+0x1f0/0x1f0 [ 161.133019] __alloc_pages_nodemask+0x1949/0x2300 [ 161.137874] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 161.142746] ? find_get_entry+0x118/0x550 [ 161.146902] ? __radix_tree_lookup+0x220/0x220 [ 161.151480] ? check_preemption_disabled+0x34/0x160 [ 161.156497] ? find_get_entry+0x13f/0x550 [ 161.160646] ? pagecache_get_page+0x129/0x770 [ 161.165137] filemap_fault+0xcdd/0x14a0 [ 161.169121] ext4_filemap_fault+0x7d/0xb0 [ 161.173275] __do_fault+0x80/0x210 [ 161.176826] __handle_mm_fault+0xe04/0x23a0 [ 161.181148] ? SyS_futex+0x249/0x2b5 [ 161.184851] ? vm_insert_page+0x6d0/0x6d0 [ 161.188990] ? SyS_futex+0x249/0x2b5 [ 161.192714] ? check_preemption_disabled+0x34/0x160 [ 161.197730] handle_mm_fault+0x2f2/0x6eb [ 161.201783] __do_page_fault+0x45d/0xb60 [ 161.205852] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 161.211209] ? bad_area_access_error+0x330/0x330 [ 161.215953] ? page_fault+0x2c/0x50 [ 161.219571] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 161.224411] ? page_fault+0x2c/0x50 [ 161.228033] page_fault+0x42/0x50 [ 161.231472] RIP: 00ff:0xff [ 161.234300] RSP: 3b318e03:000000c4200216e8 EFLAGS: 00000004 [ 161.754545] Mem-Info: [ 161.812706] active_anon:4945 inactive_anon:41 isolated_anon:0 [ 161.812706] active_file:357 inactive_file:472 isolated_file:0 [ 161.812706] unevictable:0 dirty:0 writeback:0 unstable:0 [ 161.812706] slab_reclaimable:5851 slab_unreclaimable:56232 [ 161.812706] mapped:652 shmem:48 pagetables:391 bounce:0 [ 161.812706] free:18792 free_pcp:537 free_cma:0 [ 161.920107] Node 0 active_anon:19980kB inactive_anon:164kB active_file:2128kB inactive_file:2388kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:3408kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 162.014172] DMA32 free:58660kB min:4792kB low:7868kB high:10944kB active_anon:164kB inactive_anon:12kB active_file:688kB inactive_file:172kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:224kB pagetables:72kB bounce:0kB free_pcp:632kB local_pcp:560kB free_cma:0kB [ 162.112490] lowmem_reserve[]: 0 3437 3437 [ 162.130561] Normal free:15344kB min:5480kB low:9000kB high:12520kB active_anon:19592kB inactive_anon:160kB active_file:2616kB inactive_file:976kB unevictable:0kB writepending:60kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2848kB pagetables:1408kB bounce:0kB free_pcp:776kB local_pcp:672kB free_cma:0kB [ 162.250085] lowmem_reserve[]: 0 0 0 [ 162.253941] DMA32: 2346*4kB (UME) 1037*8kB (UM) 859*16kB (UME) 576*32kB (UM) 192*64kB (UM) 10*128kB (UME) 7*256kB (ME) 5*512kB (UM) 4*1024kB (UME) 2*2048kB (M) 0*4096kB = 75968kB [ 162.300063] Normal: 1865*4kB (UMEH) 1603*8kB (UEH) 996*16kB (UMH) 1125*32kB (UMH) 418*64kB (UMEH) 12*128kB (UH) 5*256kB (UEH) 1*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 103324kB [ 162.365107] 976 total pagecache pages [ 162.369699] 0 pages in swap cache [ 162.375503] Swap cache stats: add 0, delete 0, find 0/0 [ 162.398113] Free swap = 0kB [ 162.415012] Total swap = 0kB [ 162.418036] 1965979 pages RAM [ 162.440187] 0 pages HighMem/MovableOnly [ 162.444181] 315630 pages reserved [ 162.447626] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 162.507807] [ 191] 0 191 5385 211 17 3 0 -1000 udevd [ 162.539792] [ 298] 0 298 5384 241 15 3 0 -1000 udevd [ 162.582508] [ 299] 0 299 5384 184 15 3 0 -1000 udevd [ 162.618866] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 162.663350] [ 1630] 0 1630 30622 163 25 3 0 0 rsyslogd [ 162.705664] [ 1684] 0 1684 4725 50 15 3 0 0 cron [ 162.747259] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 162.784640] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 162.850083] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 162.904753] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 162.959689] [ 1828] 0 1828 17821 197 39 3 0 0 sshd [ 163.034976] [ 1830] 0 1830 32811 1753 27 5 0 0 syz-execprog [ 163.078460] [ 1844] 0 1844 9361 16 5 2 0 0 syz-executor3 [ 163.116578] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 163.155786] [ 1847] 0 1847 9360 22 6 3 0 0 syz-executor3 [ 163.206983] [ 1848] 0 1848 9361 16 5 2 0 0 syz-executor5 [ 163.266439] [ 1849] 0 1849 9360 20 6 3 0 0 syz-executor4 [ 163.325771] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 163.368310] [ 1851] 0 1851 9360 22 6 3 0 0 syz-executor5 [ 163.397669] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 163.426878] [ 1853] 0 1853 9360 21 6 3 0 0 syz-executor1 [ 163.456103] [ 1854] 0 1854 9360 21 6 3 0 0 syz-executor0 [ 163.515997] [ 4651] 0 4651 9361 15 5 2 0 0 syz-executor2 [ 163.565108] [ 4652] 0 4652 9361 15 5 2 0 0 syz-executor2 [ 163.614155] [ 4683] 0 4682 9393 0 9 4 0 1000 syz-executor4 [ 163.661409] [ 4688] 0 4686 9426 0 9 4 0 1000 syz-executor0 [ 163.705135] [ 4787] 0 4786 9426 29 9 4 0 1000 syz-executor1 [ 163.753063] [ 4796] 0 4795 9426 30 9 4 0 1000 syz-executor3 [ 163.792319] [ 4835] 0 4835 1050 18 8 3 0 0 sh [ 163.830053] [ 4836] 0 4836 1050 25 8 3 0 0 sh [ 163.838652] Out of memory: Kill process 4786 (syz-executor1) score 999 or sacrifice child [ 163.910080] Killed process 4787 (syz-executor1) total-vm:37704kB, anon-rss:116kB, file-rss:0kB, shmem-rss:0kB [ 163.970419] oom_reaper: reaped process 4787 (syz-executor1), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 164.526219] syz-executor5 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=1000 [ 164.569048] CPU: 0 PID: 4840 Comm: syz-executor5 Not tainted 4.14.75+ #18 [ 164.576003] Call Trace: [ 164.578585] dump_stack+0xb9/0x11b [ 164.582124] dump_header+0x17d/0x7a8 [ 164.585832] ? trace_hardirqs_on_caller+0x381/0x520 [ 164.590846] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 164.595961] ? ___ratelimit+0x4f/0x3f0 [ 164.599841] oom_kill_process.cold.8+0x10/0xc88 [ 164.604502] ? lock_downgrade+0x560/0x560 [ 164.608646] ? check_preemption_disabled+0x34/0x160 [ 164.613659] out_of_memory+0x669/0xa60 [ 164.617538] ? oom_killer_disable+0x1f0/0x1f0 [ 164.622035] __alloc_pages_nodemask+0x1949/0x2300 [ 164.626886] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 164.631736] ? trace_hardirqs_on_caller+0x381/0x520 [ 164.636746] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 164.641527] __vmalloc_node_range+0x283/0x680 [ 164.646026] ? SyS_init_module+0x119/0x1e0 [ 164.650252] __vmalloc+0x63/0x80 [ 164.653607] ? SyS_init_module+0x119/0x1e0 [ 164.657834] SyS_init_module+0x119/0x1e0 [ 164.661886] ? load_module+0x9150/0x9150 [ 164.665967] ? do_syscall_64+0x43/0x4b0 [ 164.669942] ? load_module+0x9150/0x9150 [ 164.673995] do_syscall_64+0x19b/0x4b0 [ 164.677879] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 164.683065] RIP: 0033:0x457519 [ 164.686245] RSP: 002b:00007f0e9323ac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000af [ 164.693947] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457519 [ 164.701203] RDX: 00000000200000c0 RSI: 00000000fffffc2f RDI: 0000000020000140 [ 164.708458] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 164.715714] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0e9323b6d4 [ 164.722974] R13: 00000000004bdd3a R14: 00000000004ce230 R15: 00000000ffffffff [ 164.978677] Mem-Info: [ 164.981178] active_anon:4993 inactive_anon:39 isolated_anon:0 [ 164.981178] active_file:79 inactive_file:48 isolated_file:0 [ 164.981178] unevictable:0 dirty:5 writeback:0 unstable:0 [ 164.981178] slab_reclaimable:6062 slab_unreclaimable:56166 [ 164.981178] mapped:58 shmem:48 pagetables:389 bounce:0 [ 164.981178] free:5370 free_pcp:384 free_cma:0 [ 165.018972] Node 0 active_anon:19972kB inactive_anon:156kB active_file:208kB inactive_file:268kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:132kB dirty:20kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 165.042599] DMA32 free:64940kB min:4792kB low:7868kB high:10944kB active_anon:392kB inactive_anon:4kB active_file:236kB inactive_file:200kB unevictable:0kB writepending:4kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:256kB pagetables:132kB bounce:0kB free_pcp:872kB local_pcp:128kB free_cma:0kB [ 165.074528] lowmem_reserve[]: 0 3437 3437 [ 165.079912] Normal free:51896kB min:5480kB low:9000kB high:12520kB active_anon:19600kB inactive_anon:152kB active_file:364kB inactive_file:912kB unevictable:0kB writepending:16kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2848kB pagetables:1412kB bounce:0kB free_pcp:1028kB local_pcp:328kB free_cma:0kB [ 165.167314] lowmem_reserve[]: 0 0 0 [ 165.176632] DMA32: 33*4kB (ME) 162*8kB (UM) 63*16kB (UME) 17*32kB (ME) 10*64kB (UME) 12*128kB (UME) 10*256kB (UME) 5*512kB (UME) 2*1024kB (UE) 3*2048kB (M) 0*4096kB = 18468kB [ 165.227469] Normal: 2*4kB (MH) 2*8kB (UH) 3*16kB (UMH) 1*32kB (U) 89*64kB (U) 0*128kB 1*256kB (H) 3*512kB (H) 1*1024kB (H) 0*2048kB 0*4096kB = 8616kB [ 165.270700] 864 total pagecache pages [ 165.274565] 0 pages in swap cache [ 165.278019] Swap cache stats: add 0, delete 0, find 0/0 [ 165.305757] Free swap = 0kB [ 165.309483] Total swap = 0kB [ 165.313061] 1965979 pages RAM [ 165.316396] 0 pages HighMem/MovableOnly [ 165.329545] 315630 pages reserved [ 165.335163] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 165.347445] [ 191] 0 191 5385 183 17 3 0 -1000 udevd [ 165.363456] [ 298] 0 298 5384 184 15 3 0 -1000 udevd [ 165.373573] [ 299] 0 299 5384 184 15 3 0 -1000 udevd [ 165.383736] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 165.399778] [ 1630] 0 1630 30622 164 25 3 0 0 rsyslogd [ 165.409432] [ 1684] 0 1684 4725 50 15 3 0 0 cron [ 165.418462] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 165.440318] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 165.449602] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 165.486175] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 165.538435] [ 1828] 0 1828 17821 197 39 3 0 0 sshd [ 165.561598] [ 1830] 0 1830 32811 1753 27 5 0 0 syz-execprog [ 165.580708] [ 1844] 0 1844 9361 16 5 2 0 0 syz-executor3 [ 165.590452] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 165.602331] [ 1847] 0 1847 9360 22 6 3 0 0 syz-executor3 [ 165.611812] [ 1848] 0 1848 9361 16 5 2 0 0 syz-executor5 [ 165.622141] [ 1849] 0 1849 9360 20 6 3 0 0 syz-executor4 [ 165.631606] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 165.641717] [ 1851] 0 1851 9360 22 6 3 0 0 syz-executor5 [ 165.661471] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 165.672485] [ 1853] 0 1853 9360 21 6 3 0 0 syz-executor1 [ 165.682776] [ 1854] 0 1854 9360 21 6 3 0 0 syz-executor0 [ 165.693871] [ 4651] 0 4651 9361 15 5 2 0 0 syz-executor2 [ 165.704271] [ 4652] 0 4652 9361 15 5 2 0 0 syz-executor2 [ 165.715299] [ 4787] 0 4786 9426 0 9 4 0 1000 syz-executor1 [ 165.740054] [ 4796] 0 4795 9426 30 9 4 0 1000 syz-executor3 [ 165.749509] [ 4840] 0 4839 9426 30 9 4 0 1000 syz-executor5 [ 165.782051] [ 4851] 0 4851 105 1 5 3 0 0 sh [ 165.801438] Out of memory: Kill process 4795 (syz-executor3) score 999 or sacrifice child [ 165.809773] Killed process 4796 (syz-executor3) total-vm:37704kB, anon-rss:120kB, file-rss:0kB, shmem-rss:0kB [ 165.860197] oom_reaper: reaped process 4840 (syz-executor5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 165.914768] oom_reaper: reaped process 4796 (syz-executor3), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 165.970826] syz-execprog invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 166.040748] CPU: 1 PID: 1834 Comm: syz-execprog Not tainted 4.14.75+ #18 [ 166.047623] Call Trace: [ 166.050207] dump_stack+0xb9/0x11b [ 166.053768] dump_header+0x17d/0x7a8 [ 166.057486] ? trace_hardirqs_on_caller+0x381/0x520 [ 166.062498] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 166.067592] ? ___ratelimit+0x4f/0x3f0 [ 166.071480] oom_kill_process.cold.8+0x10/0xc88 [ 166.076143] ? lock_downgrade+0x560/0x560 [ 166.080293] ? check_preemption_disabled+0x34/0x160 [ 166.085313] out_of_memory+0x669/0xa60 [ 166.089199] ? oom_killer_disable+0x1f0/0x1f0 [ 166.093711] __alloc_pages_nodemask+0x1949/0x2300 [ 166.098568] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 166.103405] ? find_get_entry+0x118/0x550 [ 166.107590] ? __radix_tree_lookup+0x220/0x220 [ 166.112166] ? check_preemption_disabled+0x34/0x160 [ 166.117184] ? find_get_entry+0x13f/0x550 [ 166.121329] ? pagecache_get_page+0x129/0x770 [ 166.125823] filemap_fault+0xcdd/0x14a0 [ 166.129823] ext4_filemap_fault+0x7d/0xb0 [ 166.133962] __do_fault+0x80/0x210 [ 166.137524] __handle_mm_fault+0xe04/0x23a0 [ 166.141846] ? SyS_futex+0x249/0x2b5 [ 166.145556] ? vm_insert_page+0x6d0/0x6d0 [ 166.149696] ? SyS_futex+0x249/0x2b5 [ 166.153437] ? check_preemption_disabled+0x34/0x160 [ 166.158457] handle_mm_fault+0x2f2/0x6eb [ 166.162518] __do_page_fault+0x45d/0xb60 [ 166.166575] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 166.171932] ? bad_area_access_error+0x330/0x330 [ 166.176682] ? page_fault+0x2c/0x50 [ 166.180297] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 166.185136] ? page_fault+0x2c/0x50 [ 166.188756] page_fault+0x42/0x50 [ 166.192196] RIP: 00ff:0xff [ 166.195029] RSP: 3a824393:000000c4200216e8 EFLAGS: 00000001 [ 166.743164] Mem-Info: [ 166.770060] active_anon:4886 inactive_anon:41 isolated_anon:0 [ 166.770060] active_file:41 inactive_file:17 isolated_file:0 [ 166.770060] unevictable:0 dirty:0 writeback:0 unstable:0 [ 166.770060] slab_reclaimable:6113 slab_unreclaimable:56132 [ 166.770060] mapped:2 shmem:48 pagetables:350 bounce:0 [ 166.770060] free:4617 free_pcp:19 free_cma:0 [ 166.911566] Node 0 active_anon:19544kB inactive_anon:164kB active_file:164kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 167.010072] DMA32 free:15924kB min:4792kB low:7868kB high:10944kB active_anon:120kB inactive_anon:4kB active_file:44kB inactive_file:12kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:192kB pagetables:100kB bounce:0kB free_pcp:16kB local_pcp:0kB free_cma:0kB [ 167.140058] lowmem_reserve[]: 0 3437 3437 [ 167.144269] Normal free:2544kB min:5480kB low:9000kB high:12520kB active_anon:19424kB inactive_anon:160kB active_file:64kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2784kB pagetables:1300kB bounce:0kB free_pcp:60kB local_pcp:60kB free_cma:0kB [ 167.269743] lowmem_reserve[]: 0 0 0 [ 167.310057] DMA32: 673*4kB (U) 779*8kB (UM) 250*16kB (UME) 40*32kB (UME) 2*64kB (UE) 2*128kB (M) 8*256kB (UME) 6*512kB (UME) 2*1024kB (UE) 3*2048kB (M) 0*4096kB = 27900kB 2018/10/11 19:01:37 executed programs: 27 [ 167.370159] Normal: 2039*4kB (UEH) 2087*8kB (UEH) 208*16kB (UEH) 207*32kB (UEH) 41*64kB (UH) 1*128kB (H) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 38580kB [ 167.449265] 1964 total pagecache pages [ 167.480372] 0 pages in swap cache [ 167.498262] Swap cache stats: add 0, delete 0, find 0/0 [ 167.526680] Free swap = 0kB [ 167.542950] Total swap = 0kB [ 167.559230] 1965979 pages RAM [ 167.575581] 0 pages HighMem/MovableOnly [ 167.596133] 315630 pages reserved [ 167.613913] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 167.652284] [ 191] 0 191 5385 428 17 3 0 -1000 udevd [ 167.692548] [ 298] 0 298 5384 522 15 3 0 -1000 udevd [ 167.728924] [ 299] 0 299 5384 522 15 3 0 -1000 udevd [ 167.775531] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 167.826663] [ 1630] 0 1630 30622 164 25 3 0 0 rsyslogd [ 167.872951] [ 1684] 0 1684 4725 50 15 3 0 0 cron [ 167.917843] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 167.967751] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 168.017504] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 168.069912] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 168.118049] [ 1828] 0 1828 17821 197 39 3 0 0 sshd [ 168.164046] [ 1830] 0 1830 32811 1753 27 5 0 0 syz-execprog [ 168.248275] [ 1844] 0 1844 9361 16 5 2 0 0 syz-executor3 [ 168.310061] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 168.319553] [ 1847] 0 1847 9360 22 6 3 0 0 syz-executor3 [ 168.410075] [ 1848] 0 1848 9361 16 5 2 0 0 syz-executor5 [ 168.419572] [ 1849] 0 1849 9360 20 6 3 0 0 syz-executor4 [ 168.490390] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 168.499949] [ 1851] 0 1851 9360 22 6 3 0 0 syz-executor5 [ 168.583407] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 168.640089] [ 1853] 0 1853 9360 21 6 3 0 0 syz-executor1 [ 168.649587] [ 1854] 0 1854 9360 21 6 3 0 0 syz-executor0 [ 168.750096] [ 4651] 0 4651 9361 15 5 2 0 0 syz-executor2 [ 168.759594] [ 4652] 0 4652 9361 133 5 2 0 0 syz-executor2 [ 168.830098] [ 4787] 0 4786 9426 0 9 4 0 1000 syz-executor1 [ 168.839592] [ 4796] 0 4795 9426 0 9 4 0 1000 syz-executor3 [ 168.930097] [ 4858] 0 4854 9426 113 9 4 0 1000 syz-executor0 [ 168.939594] [ 4857] 0 4855 9426 112 9 4 0 1000 syz-executor4 [ 169.020060] [ 4899] 0 4899 63 1 1 2 0 0 sh [ 169.028602] Out of memory: Kill process 1830 (syz-execprog) score 1 or sacrifice child [ 169.110511] Killed process 1844 (syz-executor3) total-vm:37444kB, anon-rss:64kB, file-rss:0kB, shmem-rss:0kB [ 170.067533] oom_reaper: reaped process 4873 (syz-executor4), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 170.660465] oom_reaper: reaped process 4915 (syz-executor5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 170.826049] oom_reaper: reaped process 4858 (syz-executor0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 170.878625] kworker/u4:0 invoked oom-killer: gfp_mask=0x14142c0(GFP_KERNEL|__GFP_NOWARN|__GFP_COMP|__GFP_NOMEMALLOC), nodemask=(null), order=0, oom_score_adj=0 [ 170.910458] CPU: 1 PID: 5 Comm: kworker/u4:0 Not tainted 4.14.75+ #18 [ 170.917067] Workqueue: netns cleanup_net [ 170.921123] Call Trace: [ 170.923711] dump_stack+0xb9/0x11b [ 170.927249] dump_header+0x17d/0x7a8 [ 170.930956] ? trace_hardirqs_on_caller+0x381/0x520 [ 170.935967] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 170.941064] ? ___ratelimit+0x4f/0x3f0 [ 170.944960] oom_kill_process.cold.8+0x10/0xc88 [ 170.949622] ? lock_downgrade+0x560/0x560 [ 170.953769] ? check_preemption_disabled+0x34/0x160 [ 170.958789] out_of_memory+0x669/0xa60 [ 170.962677] ? oom_killer_disable+0x1f0/0x1f0 [ 170.967178] __alloc_pages_nodemask+0x1949/0x2300 [ 170.972034] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 170.976874] ? deref_stack_reg+0xa8/0xe0 [ 170.981458] ? __lock_acquire+0x619/0x4320 [ 170.985711] ? fib_table_delete+0x699/0xf40 [ 170.990024] ? new_slab+0x358/0x470 [ 170.993651] new_slab+0x3c0/0x470 [ 170.997102] ? cleanup_net+0x3e9/0x880 [ 171.000989] ___slab_alloc.constprop.35+0x2e2/0x480 [ 171.006002] ? __alloc_skb+0x105/0x550 [ 171.011884] ? fs_reclaim_acquire+0x10/0x10 [ 171.016211] ? check_preemption_disabled+0x34/0x160 [ 171.021219] ? __alloc_skb+0x105/0x550 [ 171.025100] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 171.030547] __kmalloc_track_caller+0x1e4/0x300 [ 171.035202] ? __alloc_skb+0x105/0x550 [ 171.039088] __kmalloc_reserve.isra.8+0x2f/0xc0 [ 171.043751] __alloc_skb+0x105/0x550 [ 171.047456] ? __kmalloc_reserve.isra.8+0xc0/0xc0 [ 171.052293] ? __atomic_notifier_call_chain+0x9a/0x150 [ 171.057559] ? lock_downgrade+0x560/0x560 [ 171.061701] ? lock_acquire+0x10f/0x380 [ 171.065664] ? unregister_die_notifier+0x20/0x20 [ 171.070418] rtmsg_fib+0x161/0x410 [ 171.073981] fib_table_delete+0x699/0xf40 [ 171.078122] ? kmem_cache_free+0x12d/0x350 [ 171.082355] ? rtnl_net_newid+0x550/0x590 [ 171.086490] ? fib_table_insert+0x14a0/0x14a0 [ 171.090979] ? mark_held_locks+0xc2/0x130 [ 171.095125] ? __lock_acquire+0x619/0x4320 [ 171.099359] ? fib_magic.isra.2+0x1b5/0x2d0 [ 171.103669] fib_magic.isra.2+0x1b5/0x2d0 [ 171.107811] ? fib_net_init+0x2e0/0x2e0 [ 171.111792] ? kfree_skbmem+0x9e/0x100 [ 171.115674] fib_del_ifaddr+0xaa3/0xfe0 [ 171.119644] ? inet_netconf_dump_devconf+0xb20/0xb20 [ 171.124749] fib_inetaddr_event+0xa3/0x1c8 [ 171.128979] notifier_call_chain+0x114/0x1b0 [ 171.133386] blocking_notifier_call_chain+0x77/0x8e [ 171.138396] __inet_del_ifa+0x4bb/0xaf0 [ 171.142372] ? ip_mc_destroy_dev+0x66/0x150 [ 171.146687] inetdev_event+0x9a0/0x1080 [ 171.150667] ? lock_acquire+0x10f/0x380 [ 171.154632] ? dev_map_notification+0x5b/0x400 [ 171.159204] ? check_preemption_disabled+0x34/0x160 [ 171.164213] ? inetdev_init+0x3c0/0x3c0 [ 171.168185] ? dev_map_notification+0x27/0x400 [ 171.172759] ? rtnl_is_locked+0x5/0x20 [ 171.176635] ? fib_rules_event+0x94/0x570 [ 171.180784] ? notifier_call_chain+0x114/0x1b0 [ 171.185355] ? inetdev_init+0x3c0/0x3c0 [ 171.189323] notifier_call_chain+0x114/0x1b0 [ 171.193755] rollback_registered_many+0x6b5/0xac0 [ 171.198599] ? ip6_tnl_exit_net+0x580/0x580 [ 171.202920] ? netdev_run_todo+0x5c7/0x750 [ 171.207145] ? free_netdev+0x3a0/0x3a0 [ 171.211028] ? sit_exit_net+0x168/0x600 [ 171.214991] ? lock_downgrade+0x560/0x560 [ 171.219126] ? lock_acquire+0x10f/0x380 [ 171.223106] unregister_netdevice_many+0x43/0x210 [ 171.227943] sit_exit_net+0x42a/0x600 [ 171.231734] ? ip6_tnl_exit_net+0x3cd/0x580 [ 171.236051] ? ipip6_dellink+0x270/0x270 [ 171.240109] ? trace_raw_output_rcu_utilization+0xa0/0xa0 [ 171.245641] ? ipip6_dellink+0x270/0x270 [ 171.249696] ops_exit_list.isra.3+0xa8/0x150 [ 171.254103] cleanup_net+0x3e9/0x880 [ 171.257812] ? net_drop_ns.part.6+0x70/0x70 [ 171.262143] ? lock_acquire+0x10f/0x380 [ 171.266122] process_one_work+0x86e/0x15c0 [ 171.270356] ? pwq_dec_nr_in_flight+0x2b0/0x2b0 [ 171.275032] worker_thread+0xdc/0x1000 [ 171.278934] ? process_one_work+0x15c0/0x15c0 [ 171.283418] kthread+0x348/0x420 [ 171.286784] ? kthread_create_on_node+0xe0/0xe0 [ 171.291474] ret_from_fork+0x3a/0x50 [ 172.240042] Mem-Info: [ 172.242516] active_anon:4880 inactive_anon:41 isolated_anon:0 [ 172.242516] active_file:46 inactive_file:24 isolated_file:0 [ 172.242516] unevictable:0 dirty:0 writeback:0 unstable:0 [ 172.242516] slab_reclaimable:6358 slab_unreclaimable:55809 [ 172.242516] mapped:0 shmem:48 pagetables:359 bounce:0 [ 172.242516] free:4560 free_pcp:0 free_cma:0 [ 172.340063] Node 0 active_anon:19520kB inactive_anon:164kB active_file:184kB inactive_file:96kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 172.421463] DMA32 free:15792kB min:4792kB low:7868kB high:10944kB active_anon:132kB inactive_anon:8kB active_file:72kB inactive_file:68kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:224kB pagetables:96kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 172.520845] lowmem_reserve[]: 0 3437 3437 [ 172.525071] Normal free:2448kB min:5480kB low:9000kB high:12520kB active_anon:19388kB inactive_anon:156kB active_file:120kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2752kB pagetables:1340kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 172.660074] lowmem_reserve[]: 0 0 0 [ 172.663753] DMA32: 534*4kB (UME) 843*8kB (UME) 509*16kB (UM) 178*32kB (UME) 73*64kB (UME) 4*128kB (M) 10*256kB (UME) 5*512kB (UM) 2*1024kB (UE) 3*2048kB (M) 0*4096kB = 41216kB 2018/10/11 19:01:42 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" 2018/10/11 19:01:42 executed programs: 30 [ 172.717800] Normal: 66*4kB (U) 1310*8kB (UE) 386*16kB (UE) 798*32kB (UE) 110*64kB (UE) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 49496kB [ 172.762531] 2091 total pagecache pages [ 172.766738] 0 pages in swap cache [ 172.790056] Swap cache stats: add 0, delete 0, find 0/0 [ 172.795739] Free swap = 0kB [ 172.798766] Total swap = 0kB [ 172.820054] 1965979 pages RAM [ 172.823161] 0 pages HighMem/MovableOnly [ 172.827118] 315630 pages reserved [ 172.850043] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 172.858800] [ 191] 0 191 5385 184 17 3 0 -1000 udevd [ 172.890055] [ 298] 0 298 5384 184 15 3 0 -1000 udevd [ 172.898825] [ 299] 0 299 5384 184 15 3 0 -1000 udevd [ 172.940056] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 172.949129] [ 1630] 0 1630 30622 164 25 3 0 0 rsyslogd [ 172.990057] [ 1684] 0 1684 4725 50 15 3 0 0 cron [ 172.998753] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 173.050056] [ 1708] 0 1708 12927 1283 27 3 0 0 restorecond [ 173.059357] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 173.110056] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 173.118839] [ 1828] 0 1828 17821 214 39 3 0 0 sshd [ 173.150058] [ 1830] 0 1830 32811 1753 27 5 0 0 syz-execprog [ 173.159467] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 173.210064] [ 1848] 0 1848 9361 16 5 2 0 0 syz-executor5 [ 173.219544] [ 1849] 0 1849 9360 20 6 3 0 0 syz-executor4 [ 173.270058] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 173.279561] [ 1851] 0 1851 9360 22 6 3 0 0 syz-executor5 [ 173.330060] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 173.339537] [ 1853] 0 1853 9360 21 6 3 0 0 syz-executor1 [ 173.390059] [ 1854] 0 1854 9360 21 6 3 0 0 syz-executor0 [ 173.399540] [ 4651] 0 4651 9361 15 5 2 0 0 syz-executor2 [ 173.450054] [ 4652] 0 4652 9361 15 5 2 0 0 syz-executor2 [ 173.459528] [ 4858] 0 4854 9426 0 9 4 0 1000 syz-executor0 [ 173.500055] [ 4857] 0 4855 9426 0 9 4 0 1000 syz-executor4 [ 173.509530] [ 4906] 0 4905 9426 0 9 4 0 1000 syz-executor5 [ 173.550049] [ 4919] 0 4919 1050 16 8 3 0 0 sh [ 173.558551] [ 4920] 0 4920 2102 162 8 3 0 0 ip [ 173.610052] [ 4921] 0 4921 9361 208 4 2 0 0 syz-executor3 [ 173.619523] [ 4922] 0 4922 9361 20 4 2 0 0 syz-executor3 [ 173.670306] Out of memory: Kill process 1830 (syz-execprog) score 1 or sacrifice child [ 173.678647] Killed process 4921 (syz-executor3) total-vm:37444kB, anon-rss:64kB, file-rss:768kB, shmem-rss:0kB 2018/10/11 19:01:44 result: failed=false hanged=false err=executor 3: EOF 2018/10/11 19:01:51 executed programs: 36 [ 182.802819] oom_reaper: reaped process 5148 (syz-executor0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 182.822901] oom_reaper: reaped process 5141 (syz-executor5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 182.852074] oom_reaper: reaped process 5146 (syz-executor4), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 182.881031] oom_reaper: reaped process 5169 (syz-executor1), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 182.901046] oom_reaper: reaped process 5172 (syz-executor2), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 182.942539] syz-executor1 invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 183.020059] CPU: 1 PID: 1853 Comm: syz-executor1 Not tainted 4.14.75+ #18 [ 183.027013] Call Trace: [ 183.029594] dump_stack+0xb9/0x11b [ 183.033132] dump_header+0x17d/0x7a8 [ 183.036834] ? trace_hardirqs_on_caller+0x381/0x520 [ 183.041841] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 183.046931] ? ___ratelimit+0x4f/0x3f0 [ 183.050819] oom_kill_process.cold.8+0x10/0xc88 [ 183.055479] ? lock_downgrade+0x560/0x560 [ 183.059622] ? check_preemption_disabled+0x34/0x160 [ 183.064638] out_of_memory+0x669/0xa60 [ 183.068519] ? oom_killer_disable+0x1f0/0x1f0 [ 183.073016] __alloc_pages_nodemask+0x1949/0x2300 [ 183.077870] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 183.082713] ? find_get_entry+0x118/0x550 [ 183.086854] ? __radix_tree_lookup+0x220/0x220 [ 183.091433] ? check_preemption_disabled+0x34/0x160 [ 183.096450] ? find_get_entry+0x13f/0x550 [ 183.100633] ? pagecache_get_page+0x129/0x770 [ 183.105127] filemap_fault+0xcdd/0x14a0 [ 183.109117] ext4_filemap_fault+0x7d/0xb0 [ 183.113254] __do_fault+0x80/0x210 [ 183.116786] __handle_mm_fault+0xe04/0x23a0 [ 183.121101] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 183.126196] ? vm_insert_page+0x6d0/0x6d0 [ 183.130337] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 183.135434] ? free_object+0xe4/0x240 [ 183.139242] ? check_preemption_disabled+0x34/0x160 [ 183.144254] handle_mm_fault+0x2f2/0x6eb [ 183.148307] __do_page_fault+0x45d/0xb60 [ 183.152362] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 183.157715] ? bad_area_access_error+0x330/0x330 [ 183.162462] ? page_fault+0x2c/0x50 [ 183.166142] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 183.171066] ? page_fault+0x2c/0x50 [ 183.174681] page_fault+0x42/0x50 [ 183.178118] RIP: 2c387:0x5 [ 183.180950] RSP: 2c6af:000000000000010d EFLAGS: 00000001 [ 184.052207] Mem-Info: [ 184.120719] active_anon:4908 inactive_anon:41 isolated_anon:0 [ 184.120719] active_file:17 inactive_file:26 isolated_file:0 [ 184.120719] unevictable:0 dirty:0 writeback:0 unstable:0 [ 184.120719] slab_reclaimable:6505 slab_unreclaimable:55748 [ 184.120719] mapped:2 shmem:48 pagetables:371 bounce:0 [ 184.120719] free:4655 free_pcp:0 free_cma:0 [ 184.342204] Node 0 active_anon:19632kB inactive_anon:164kB active_file:164kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 184.502131] DMA32 free:15876kB min:4792kB low:7868kB high:10944kB active_anon:104kB inactive_anon:0kB active_file:28kB inactive_file:32kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:64kB pagetables:48kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 184.692024] lowmem_reserve[]: 0 3437 3437 [ 184.696234] Normal free:2744kB min:5480kB low:9000kB high:12520kB active_anon:19528kB inactive_anon:164kB active_file:120kB inactive_file:16kB unevictable:0kB writepending:0kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:3040kB pagetables:1436kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 184.870771] lowmem_reserve[]: 0 0 0 [ 184.874449] DMA32: 27*4kB (UM) 21*8kB (UME) 19*16kB (UME) 18*32kB (UME) 12*64kB (UME) 7*128kB (UM) 7*256kB (ME) 4*512kB (UM) 1*1024kB (E) 4*2048kB (UM) 0*4096kB = 15876kB [ 185.013498] Normal: 111*4kB (UM) 78*8kB (UM) 43*16kB (UME) 15*32kB (UM) 8*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 2748kB [ 185.090778] 93 total pagecache pages [ 185.094522] 0 pages in swap cache [ 185.097964] Swap cache stats: add 0, delete 0, find 0/0 [ 185.160053] Free swap = 0kB [ 185.163096] Total swap = 0kB [ 185.166101] 1965979 pages RAM [ 185.169193] 0 pages HighMem/MovableOnly [ 185.220049] 315630 pages reserved [ 185.223521] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 185.301517] [ 191] 0 191 5385 185 17 3 0 -1000 udevd [ 185.340065] [ 298] 0 298 5384 184 15 3 0 -1000 udevd [ 185.348837] [ 299] 0 299 5384 184 15 3 0 -1000 udevd [ 185.440059] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 185.449100] [ 1630] 0 1630 30622 164 25 3 0 0 rsyslogd [ 185.550729] [ 1684] 0 1684 4725 50 15 3 0 0 cron [ 185.559434] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 185.650791] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 185.700806] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 185.709513] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 185.820764] [ 1828] 0 1828 17821 197 39 3 0 0 sshd [ 185.829479] [ 1830] 0 1830 32811 1753 27 5 0 0 syz-execprog [ 185.950798] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 185.991050] [ 1848] 0 1848 9361 16 5 2 0 0 syz-executor5 [ 186.050499] [ 1849] 0 1849 9360 20 6 3 0 0 syz-executor4 [ 186.140060] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 186.149607] [ 1851] 0 1851 9360 22 6 3 0 0 syz-executor5 [ 186.270077] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 186.279564] [ 1853] 0 1853 9360 21 6 3 0 0 syz-executor1 [ 186.390087] [ 1854] 0 1854 9360 21 6 3 0 0 syz-executor0 [ 186.399579] [ 4651] 0 4651 9361 15 5 2 0 0 syz-executor2 [ 186.500231] [ 4652] 0 4652 9360 21 6 3 0 0 syz-executor2 [ 186.509716] [ 5141] 0 5140 9426 0 9 4 0 1000 syz-executor5 [ 186.620090] [ 5146] 0 5142 9426 0 9 4 0 1000 syz-executor4 [ 186.629574] [ 5148] 0 5143 9426 0 9 4 0 1000 syz-executor0 [ 186.710064] [ 5144] 0 5144 9361 17 5 2 0 0 syz-executor3 [ 186.719554] [ 5149] 0 5145 9426 0 9 4 0 1000 syz-executor1 [ 186.840096] [ 5147] 0 5147 9361 157 5 2 0 0 syz-executor3 [ 186.849590] [ 5151] 0 5150 9426 0 9 4 0 1000 syz-executor2 [ 186.940109] [ 5205] 0 5205 1050 134 7 3 0 0 sh [ 186.948637] [ 5206] 0 5206 1050 23 5 3 0 0 sh [ 187.019374] Out of memory: Kill process 1830 (syz-execprog) score 1 or sacrifice child [ 187.050164] Killed process 5144 (syz-executor3) total-vm:37444kB, anon-rss:68kB, file-rss:0kB, shmem-rss:0kB 2018/10/11 19:01:57 result: failed=false hanged=false err=executor 3: EOF 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 2018/10/11 19:01:57 executed programs: 37 [ 189.495639] syz-executor5 invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 189.509182] CPU: 0 PID: 1851 Comm: syz-executor5 Not tainted 4.14.75+ #18 [ 189.516128] Call Trace: [ 189.518712] dump_stack+0xb9/0x11b [ 189.522236] dump_header+0x17d/0x7a8 [ 189.525929] ? trace_hardirqs_on_caller+0x381/0x520 [ 189.530940] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 189.536019] ? ___ratelimit+0x4f/0x3f0 [ 189.539905] oom_kill_process.cold.8+0x10/0xc88 [ 189.544578] ? lock_downgrade+0x560/0x560 [ 189.548716] ? check_preemption_disabled+0x34/0x160 [ 189.553722] out_of_memory+0x669/0xa60 [ 189.557586] ? oom_killer_disable+0x1f0/0x1f0 [ 189.562060] __alloc_pages_nodemask+0x1949/0x2300 [ 189.566895] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 189.571726] ? find_get_entry+0x118/0x550 [ 189.575850] ? check_preemption_disabled+0x34/0x160 [ 189.580838] ? check_preemption_disabled+0x34/0x160 [ 189.585830] ? find_get_entry+0x13f/0x550 [ 189.589955] ? pagecache_get_page+0x129/0x770 [ 189.594429] filemap_fault+0xcdd/0x14a0 [ 189.598403] ext4_filemap_fault+0x7d/0xb0 [ 189.602527] __do_fault+0x80/0x210 [ 189.606044] __handle_mm_fault+0xe04/0x23a0 [ 189.610343] ? __might_fault+0x104/0x1b0 [ 189.614394] ? vm_insert_page+0x6d0/0x6d0 [ 189.618548] ? __might_fault+0xd4/0x1b0 [ 189.622511] ? check_preemption_disabled+0x34/0x160 [ 189.627504] handle_mm_fault+0x2f2/0x6eb [ 189.631542] __do_page_fault+0x45d/0xb60 [ 189.635587] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 189.640943] ? bad_area_access_error+0x330/0x330 [ 189.645675] ? page_fault+0x2c/0x50 [ 189.649274] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 189.654095] ? page_fault+0x2c/0x50 [ 189.657697] page_fault+0x42/0x50 [ 189.661121] RIP: 2dd1b:0x7 [ 189.663937] RSP: 2e055:0000000000000112 EFLAGS: 00000001 [ 189.668870] Mem-Info: [ 189.676810] active_anon:5055 inactive_anon:41 isolated_anon:0 [ 189.676810] active_file:39 inactive_file:16 isolated_file:0 [ 189.676810] unevictable:0 dirty:0 writeback:0 unstable:0 [ 189.676810] slab_reclaimable:6615 slab_unreclaimable:55573 [ 189.676810] mapped:9 shmem:48 pagetables:381 bounce:0 [ 189.676810] free:5758 free_pcp:0 free_cma:0 [ 189.711723] Node 0 active_anon:20220kB inactive_anon:164kB active_file:52kB inactive_file:148kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 189.738008] DMA32 free:18192kB min:4792kB low:7868kB high:10944kB active_anon:124kB inactive_anon:0kB active_file:20kB inactive_file:12kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:128kB pagetables:40kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 189.767119] lowmem_reserve[]: 0 3437 3437 [ 189.775824] Normal free:5044kB min:5480kB low:9000kB high:12520kB active_anon:20096kB inactive_anon:164kB active_file:132kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:3008kB pagetables:1484kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 189.809324] lowmem_reserve[]: 0 0 0 [ 189.813004] DMA32: 23*4kB (M) 19*8kB (M) 22*16kB (UME) 20*32kB (UME) 14*64kB (UM) 8*128kB (M) 6*256kB (UME) 3*512kB (M) 2*1024kB (UE) 3*2048kB (M) 1*4096kB (U) = 18516kB [ 189.830349] Normal: 83*4kB (UME) 55*8kB (UME) 23*16kB (UM) 10*32kB (M) 8*64kB (UM) 8*128kB (UM) 4*256kB (U) 2*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 5044kB [ 189.846339] 98 total pagecache pages [ 189.850858] 0 pages in swap cache [ 189.854323] Swap cache stats: add 0, delete 0, find 0/0 [ 189.859669] Free swap = 0kB [ 189.865047] Total swap = 0kB [ 189.868102] 1965979 pages RAM [ 189.871867] 0 pages HighMem/MovableOnly [ 189.875847] 315630 pages reserved [ 189.879791] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 189.893743] [ 191] 0 191 5385 186 17 3 0 -1000 udevd [ 189.903022] [ 298] 0 298 5384 184 15 3 0 -1000 udevd [ 189.914135] [ 299] 0 299 5384 184 15 3 0 -1000 udevd [ 189.923007] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 189.936046] [ 1630] 0 1630 30622 164 25 3 0 0 rsyslogd [ 189.945897] [ 1684] 0 1684 4725 50 15 3 0 0 cron [ 189.956246] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 189.969188] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 189.982804] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 189.992815] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 190.004502] [ 1828] 0 1828 17821 197 39 3 0 0 sshd [ 190.015482] [ 1830] 0 1830 32811 1755 27 5 0 0 syz-execprog [ 190.027010] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 190.038189] [ 1848] 0 1848 9361 16 5 2 0 0 syz-executor5 [ 190.048415] [ 1849] 0 1849 9360 20 6 3 0 0 syz-executor4 [ 190.059783] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 190.070202] [ 1851] 0 1851 9360 22 6 3 0 0 syz-executor5 [ 190.079647] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 190.090593] [ 1853] 0 1853 9360 21 6 3 0 0 syz-executor1 [ 190.102248] [ 1854] 0 1854 9360 21 6 3 0 0 syz-executor0 [ 190.114753] [ 4651] 0 4651 9361 15 5 2 0 0 syz-executor2 [ 190.125401] [ 4652] 0 4652 9360 21 6 3 0 0 syz-executor2 [ 190.139396] [ 5217] 0 5217 9361 16 5 2 0 0 syz-executor3 [ 190.154684] [ 5218] 0 5218 9361 16 5 2 0 0 syz-executor3 [ 190.164826] [ 5220] 0 5219 9426 29 9 4 0 1000 syz-executor2 [ 190.178014] [ 5226] 0 5221 9426 30 9 4 0 1000 syz-executor5 [ 190.187937] [ 5224] 0 5224 5365 170 15 3 0 -1000 udevd [ 190.200228] [ 5227] 0 5225 9426 28 9 4 0 1000 syz-executor4 [ 190.209675] [ 5231] 0 5230 9426 29 9 4 0 1000 syz-executor1 [ 190.220722] [ 5234] 0 5233 9426 29 9 4 0 1000 syz-executor0 [ 190.230997] [ 5271] 0 5271 103 1 3 3 0 0 sh [ 190.239500] Out of memory: Kill process 5221 (syz-executor5) score 999 or sacrifice child [ 190.248531] Killed process 5226 (syz-executor5) total-vm:37704kB, anon-rss:120kB, file-rss:0kB, shmem-rss:0kB [ 190.287659] oom_reaper: reaped process 5226 (syz-executor5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 190.300831] oom_reaper: reaped process 5245 (syz-executor4), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 190.315758] oom_reaper: reaped process 5251 (syz-executor0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 190.331642] oom_reaper: reaped process 5220 (syz-executor2), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 190.348436] syz-executor2 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=1000 [ 190.370642] CPU: 1 PID: 5220 Comm: syz-executor2 Not tainted 4.14.75+ #18 [ 190.377566] Call Trace: [ 190.380149] dump_stack+0xb9/0x11b [ 190.383687] dump_header+0x17d/0x7a8 [ 190.387417] ? trace_hardirqs_on_caller+0x381/0x520 [ 190.392440] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 190.397538] ? ___ratelimit+0x4f/0x3f0 [ 190.401431] oom_kill_process.cold.8+0x10/0xc88 [ 190.406095] ? lock_downgrade+0x560/0x560 [ 190.410253] ? check_preemption_disabled+0x34/0x160 [ 190.415267] out_of_memory+0x669/0xa60 [ 190.419153] ? oom_killer_disable+0x1f0/0x1f0 [ 190.423651] __alloc_pages_nodemask+0x1949/0x2300 [ 190.428500] ? retint_kernel+0x2d/0x2d [ 190.432378] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 190.437216] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 190.441972] ? retint_kernel+0x2d/0x2d [ 190.445872] ? __alloc_pages_nodemask+0x9/0x2300 [ 190.450637] __vmalloc_node_range+0x283/0x680 [ 190.455147] ? SyS_init_module+0x119/0x1e0 [ 190.459368] __vmalloc+0x63/0x80 [ 190.462726] ? SyS_init_module+0x119/0x1e0 [ 190.466963] SyS_init_module+0x119/0x1e0 [ 190.471018] ? load_module+0x9150/0x9150 [ 190.475086] ? do_syscall_64+0x43/0x4b0 [ 190.479050] ? load_module+0x9150/0x9150 [ 190.483100] do_syscall_64+0x19b/0x4b0 [ 190.486986] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 190.492162] RIP: 0033:0x457519 [ 190.495339] RSP: 002b:00007f38c0563c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000af [ 190.503044] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457519 [ 190.510302] RDX: 00000000200000c0 RSI: 00000000fffffc2f RDI: 0000000020000140 [ 190.517562] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 190.524827] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f38c05646d4 [ 190.532085] R13: 00000000004bdd3a R14: 00000000004ce230 R15: 00000000ffffffff [ 190.557219] Mem-Info: [ 190.559649] active_anon:4998 inactive_anon:41 isolated_anon:0 [ 190.559649] active_file:34 inactive_file:15 isolated_file:0 [ 190.559649] unevictable:0 dirty:0 writeback:0 unstable:0 [ 190.559649] slab_reclaimable:6615 slab_unreclaimable:55573 [ 190.559649] mapped:2 shmem:48 pagetables:381 bounce:0 [ 190.559649] free:4669 free_pcp:0 free_cma:0 [ 190.642962] Node 0 active_anon:19992kB inactive_anon:164kB active_file:228kB inactive_file:8kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 190.793874] DMA32 free:16036kB min:4792kB low:7868kB high:10944kB active_anon:108kB inactive_anon:0kB active_file:36kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:128kB pagetables:40kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 190.932329] lowmem_reserve[]: 0 3437 3437 [ 190.936542] Normal free:2640kB min:5480kB low:9000kB high:12520kB active_anon:19884kB inactive_anon:164kB active_file:104kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:3008kB pagetables:1484kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 191.110069] lowmem_reserve[]: 0 0 0 [ 191.113742] DMA32: 23*4kB (M) 20*8kB (UM) 21*16kB (UME) 21*32kB (UME) 13*64kB (M) 8*128kB (M) 5*256kB (ME) 3*512kB (M) 2*1024kB (UE) 4*2048kB (UM) 0*4096kB = 16172kB [ 191.213867] Normal: 103*4kB (UME) 64*8kB (UME) 28*16kB (UM) 12*32kB (UM) 5*64kB (UM) 3*128kB (UM) 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 2972kB [ 191.294451] 98 total pagecache pages [ 191.298189] 0 pages in swap cache [ 191.320824] Swap cache stats: add 0, delete 0, find 0/0 [ 191.326196] Free swap = 0kB [ 191.329199] Total swap = 0kB [ 191.380838] 1965979 pages RAM [ 191.383994] 0 pages HighMem/MovableOnly [ 191.387953] 315630 pages reserved [ 191.441454] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 191.501492] [ 191] 0 191 5385 186 17 3 0 -1000 udevd [ 191.554671] [ 298] 0 298 5384 184 15 3 0 -1000 udevd [ 191.613854] [ 299] 0 299 5384 184 15 3 0 -1000 udevd [ 191.653633] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 191.700847] [ 1630] 0 1630 30622 164 25 3 0 0 rsyslogd [ 191.709903] [ 1684] 0 1684 4725 50 15 3 0 0 cron [ 191.790781] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 191.799925] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 191.893687] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 191.920053] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 191.928816] [ 1828] 0 1828 17821 197 39 3 0 0 sshd [ 192.021708] [ 1830] 0 1830 32811 1755 27 5 0 0 syz-execprog [ 192.073779] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 192.121772] [ 1848] 0 1848 9361 16 5 2 0 0 syz-executor5 [ 192.173162] [ 1849] 0 1849 9360 20 6 3 0 0 syz-executor4 [ 192.222405] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 192.273001] [ 1851] 0 1851 9360 22 6 3 0 0 syz-executor5 [ 192.332268] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 192.380062] [ 1853] 0 1853 9360 21 6 3 0 0 syz-executor1 [ 192.389545] [ 1854] 0 1854 9360 21 6 3 0 0 syz-executor0 [ 192.474733] [ 4651] 0 4651 9361 15 5 2 0 0 syz-executor2 [ 192.513728] [ 4652] 0 4652 9360 21 6 3 0 0 syz-executor2 [ 192.600111] [ 5217] 0 5217 9361 16 5 2 0 0 syz-executor3 [ 192.609731] [ 5218] 0 5218 9361 16 5 2 0 0 syz-executor3 [ 192.720070] [ 5220] 0 5219 9426 0 9 4 0 1000 syz-executor2 [ 192.729653] [ 5226] 0 5221 9426 0 9 4 0 1000 syz-executor5 [ 192.749447] [ 5224] 0 5224 5365 170 15 3 0 -1000 udevd [ 192.792973] [ 5227] 0 5225 9426 0 9 4 0 1000 syz-executor4 [ 192.850304] [ 5231] 0 5230 9426 29 9 4 0 1000 syz-executor1 [ 192.880060] [ 5234] 0 5233 9426 0 9 4 0 1000 syz-executor0 [ 192.889537] [ 5271] 0 5271 1050 18 8 3 0 0 sh [ 192.961180] [ 5272] 0 5272 2135 23 10 4 0 0 ip [ 193.026759] [ 5273] 0 5273 1576 132 9 3 0 0 modprobe [ 193.090828] Out of memory: Kill process 5230 (syz-executor1) score 999 or sacrifice child [ 193.099196] Killed process 5231 (syz-executor1) total-vm:37704kB, anon-rss:116kB, file-rss:0kB, shmem-rss:0kB [ 193.175720] oom_reaper: reaped process 5231 (syz-executor1), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB 2018/10/11 19:02:04 executed programs: 43 [ 195.416989] syz-executor0 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=1000 [ 195.463955] CPU: 0 PID: 5352 Comm: syz-executor0 Not tainted 4.14.75+ #18 [ 195.470916] Call Trace: [ 195.473506] dump_stack+0xb9/0x11b [ 195.477043] dump_header+0x17d/0x7a8 [ 195.480746] ? trace_hardirqs_on_caller+0x381/0x520 [ 195.485751] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 195.490842] ? ___ratelimit+0x4f/0x3f0 [ 195.494729] oom_kill_process.cold.8+0x10/0xc88 [ 195.499392] ? lock_downgrade+0x560/0x560 [ 195.503552] ? check_preemption_disabled+0x34/0x160 [ 195.508572] out_of_memory+0x669/0xa60 [ 195.512466] ? oom_killer_disable+0x1f0/0x1f0 [ 195.516970] __alloc_pages_nodemask+0x1949/0x2300 [ 195.521823] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 195.526658] ? retint_kernel+0x2d/0x2d [ 195.530550] ? trace_hardirqs_on_caller+0x381/0x520 [ 195.535563] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 195.540334] ? ___might_sleep+0x35/0x270 [ 195.544434] __vmalloc_node_range+0x283/0x680 [ 195.548947] ? SyS_init_module+0x119/0x1e0 [ 195.553172] __vmalloc+0x63/0x80 [ 195.556532] ? SyS_init_module+0x119/0x1e0 [ 195.560760] SyS_init_module+0x119/0x1e0 [ 195.564816] ? load_module+0x9150/0x9150 [ 195.568882] ? do_syscall_64+0x43/0x4b0 [ 195.572860] ? load_module+0x9150/0x9150 [ 195.576943] do_syscall_64+0x19b/0x4b0 [ 195.580828] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 195.586005] RIP: 0033:0x457519 [ 195.589188] RSP: 002b:00007fb266c31c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000af [ 195.596895] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457519 [ 195.604166] RDX: 00000000200000c0 RSI: 00000000fffffc2f RDI: 0000000020000140 [ 195.611422] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 195.618679] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb266c326d4 [ 195.625944] R13: 00000000004bdd3a R14: 00000000004ce230 R15: 00000000ffffffff [ 195.778871] Mem-Info: [ 195.781439] active_anon:4899 inactive_anon:41 isolated_anon:0 [ 195.781439] active_file:21 inactive_file:17 isolated_file:12 [ 195.781439] unevictable:0 dirty:9 writeback:0 unstable:0 [ 195.781439] slab_reclaimable:6698 slab_unreclaimable:55381 [ 195.781439] mapped:36 shmem:48 pagetables:338 bounce:0 [ 195.781439] free:7177 free_pcp:236 free_cma:0 [ 195.814329] Node 0 active_anon:19596kB inactive_anon:164kB active_file:84kB inactive_file:368kB unevictable:0kB isolated(anon):0kB isolated(file):48kB mapped:144kB dirty:36kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 195.837486] DMA32 free:15988kB min:4792kB low:7868kB high:10944kB active_anon:356kB inactive_anon:12kB active_file:372kB inactive_file:376kB unevictable:0kB writepending:16kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:288kB pagetables:20kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 195.865788] lowmem_reserve[]: 0 3437 3437 [ 195.870385] Normal free:70212kB min:5480kB low:9000kB high:12520kB active_anon:19240kB inactive_anon:152kB active_file:488kB inactive_file:684kB unevictable:0kB writepending:20kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2880kB pagetables:1332kB bounce:0kB free_pcp:436kB local_pcp:344kB free_cma:0kB [ 195.921967] lowmem_reserve[]: 0 0 0 [ 195.925642] DMA32: 56*4kB (M) 56*8kB (M) 34*16kB (ME) 78*32kB (UME) 90*64kB (UM) 13*128kB (UM) 1*256kB (M) 2*512kB (M) 2*1024kB (UE) 4*2048kB (UM) 0*4096kB = 22656kB [ 195.949046] Normal: 53*4kB (UME) 60*8kB (UME) 26*16kB (UME) 19*32kB (UME) 13*64kB (UME) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 2676kB [ 195.962962] 119 total pagecache pages [ 195.966763] 0 pages in swap cache [ 195.970312] Swap cache stats: add 0, delete 0, find 0/0 [ 195.975676] Free swap = 0kB [ 195.978821] Total swap = 0kB [ 195.981906] 1965979 pages RAM [ 195.985008] 0 pages HighMem/MovableOnly [ 195.988966] 315630 pages reserved [ 195.992529] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 196.001259] [ 191] 0 191 5385 186 17 3 0 -1000 udevd [ 196.010011] [ 299] 0 299 5384 184 15 3 0 -1000 udevd [ 196.018779] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 196.027822] [ 1630] 0 1630 30622 166 25 3 0 0 rsyslogd [ 196.036855] [ 1684] 0 1684 4725 50 15 3 0 0 cron [ 196.046531] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 196.055743] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 196.100057] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 196.108750] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 196.181822] [ 1828] 0 1828 17821 197 39 3 0 0 sshd [ 196.190559] [ 1830] 0 1830 32811 1756 27 5 0 0 syz-execprog [ 196.199910] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 196.220739] [ 1848] 0 1848 9361 16 5 2 0 0 syz-executor5 [ 196.240717] [ 1849] 0 1849 9360 20 6 3 0 0 syz-executor4 [ 196.260779] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 196.280733] [ 1851] 0 1851 9360 22 6 3 0 0 syz-executor5 [ 196.300722] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 196.320697] [ 1853] 0 1853 9360 21 6 3 0 0 syz-executor1 [ 196.342841] [ 1854] 0 1854 9360 21 6 3 0 0 syz-executor0 [ 196.372826] [ 4651] 0 4651 9361 15 5 2 0 0 syz-executor2 [ 196.402867] [ 4652] 0 4652 9360 21 6 3 0 0 syz-executor2 [ 196.422708] [ 5217] 0 5217 9361 16 5 2 0 0 syz-executor3 [ 196.452750] [ 5218] 0 5218 9361 16 5 2 0 0 syz-executor3 [ 196.482860] [ 5224] 0 5224 5365 170 15 3 0 -1000 udevd [ 196.502731] [ 5231] 0 5230 9426 0 9 4 0 1000 syz-executor1 [ 196.522658] [ 5337] 0 5335 9426 28 9 4 0 1000 syz-executor4 [ 196.540107] [ 5345] 0 5343 9426 30 9 4 0 1000 syz-executor5 [ 196.549562] [ 5352] 0 5350 9426 29 9 4 0 1000 syz-executor0 [ 196.590734] [ 5369] 0 5369 1050 18 8 3 0 0 sh [ 196.599255] [ 5370] 0 5370 1050 24 8 3 0 0 sh [ 196.634704] Out of memory: Kill process 5343 (syz-executor5) score 999 or sacrifice child [ 196.643127] Killed process 5345 (syz-executor5) total-vm:37704kB, anon-rss:120kB, file-rss:0kB, shmem-rss:0kB [ 196.693042] oom_reaper: reaped process 5345 (syz-executor5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 196.735245] syz-execprog invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 196.781410] CPU: 0 PID: 1834 Comm: syz-execprog Not tainted 4.14.75+ #18 [ 196.788280] Call Trace: [ 196.790860] dump_stack+0xb9/0x11b [ 196.794402] dump_header+0x17d/0x7a8 [ 196.798104] ? trace_hardirqs_on_caller+0x381/0x520 [ 196.803113] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 196.808209] ? ___ratelimit+0x4f/0x3f0 [ 196.812093] oom_kill_process.cold.8+0x10/0xc88 [ 196.816754] ? lock_downgrade+0x560/0x560 [ 196.820902] ? check_preemption_disabled+0x34/0x160 [ 196.825936] out_of_memory+0x669/0xa60 [ 196.829819] ? oom_killer_disable+0x1f0/0x1f0 [ 196.834315] __alloc_pages_nodemask+0x1949/0x2300 [ 196.839170] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 196.844015] ? find_get_entry+0x118/0x550 [ 196.848157] ? __radix_tree_lookup+0x220/0x220 [ 196.852730] ? check_preemption_disabled+0x34/0x160 [ 196.857740] ? find_get_entry+0x13f/0x550 [ 196.861896] ? pagecache_get_page+0x129/0x770 [ 196.866391] filemap_fault+0xcdd/0x14a0 [ 196.870378] ext4_filemap_fault+0x7d/0xb0 [ 196.874517] __do_fault+0x80/0x210 [ 196.878048] __handle_mm_fault+0xe04/0x23a0 [ 196.882363] ? SyS_futex+0x249/0x2b5 [ 196.886068] ? vm_insert_page+0x6d0/0x6d0 [ 196.890203] ? SyS_futex+0x249/0x2b5 [ 196.893943] ? check_preemption_disabled+0x34/0x160 [ 196.898959] handle_mm_fault+0x2f2/0x6eb [ 196.903014] __do_page_fault+0x45d/0xb60 [ 196.907070] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 196.912419] ? bad_area_access_error+0x330/0x330 [ 196.917163] ? page_fault+0x2c/0x50 [ 196.920776] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 196.925617] ? page_fault+0x2c/0x50 [ 196.929233] page_fault+0x42/0x50 [ 196.932672] RIP: 00ff:0xff [ 196.935505] RSP: 3b3493eb:000000c4200216e8 EFLAGS: 00000001 [ 197.437393] Mem-Info: [ 197.464876] active_anon:4911 inactive_anon:39 isolated_anon:0 [ 197.464876] active_file:55 inactive_file:17 isolated_file:0 [ 197.464876] unevictable:0 dirty:10 writeback:0 unstable:0 [ 197.464876] slab_reclaimable:6729 slab_unreclaimable:55404 [ 197.464876] mapped:22 shmem:48 pagetables:384 bounce:0 [ 197.464876] free:16189 free_pcp:201 free_cma:0 [ 197.627707] Node 0 active_anon:19644kB inactive_anon:156kB active_file:220kB inactive_file:112kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:0kB dirty:40kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 197.726262] DMA32 free:18012kB min:4792kB low:7868kB high:10944kB active_anon:376kB inactive_anon:8kB active_file:148kB inactive_file:0kB unevictable:0kB writepending:40kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:256kB pagetables:228kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 197.810359] lowmem_reserve[]: 0 3437 3437 [ 197.819163] Normal free:18952kB min:5480kB low:9000kB high:12520kB active_anon:19268kB inactive_anon:148kB active_file:92kB inactive_file:256kB unevictable:0kB writepending:0kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2816kB pagetables:1308kB bounce:0kB free_pcp:668kB local_pcp:620kB free_cma:0kB [ 197.918629] lowmem_reserve[]: 0 0 0 [ 197.926853] DMA32: 47*4kB (UME) 47*8kB (UME) 39*16kB (ME) 36*32kB (UME) 32*64kB (UME) 10*128kB (UME) 6*256kB (UM) 4*512kB (UME) 3*1024kB (U) 3*2048kB (UM) 0*4096kB = 18468kB [ 197.975449] Normal: 1057*4kB (UME) 987*8kB (UME) 1075*16kB (UME) 1257*32kB (UME) 635*64kB (UME) 166*128kB (UM) 183*256kB (UM) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 178284kB [ 198.094199] 863 total pagecache pages [ 198.116593] 0 pages in swap cache [ 198.133679] Swap cache stats: add 0, delete 0, find 0/0 [ 198.150477] Free swap = 0kB [ 198.159214] Total swap = 0kB [ 198.169912] 1965979 pages RAM [ 198.180845] 0 pages HighMem/MovableOnly [ 198.192608] 315630 pages reserved [ 198.204857] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 198.231101] [ 191] 0 191 5385 185 17 3 0 -1000 udevd [ 198.267416] [ 299] 0 299 5384 184 15 3 0 -1000 udevd [ 198.325946] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 198.380115] [ 1630] 0 1630 30622 166 25 3 0 0 rsyslogd [ 198.410053] [ 1684] 0 1684 4725 50 15 3 0 0 cron [ 198.421556] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 198.460623] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 198.470086] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 198.478763] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 198.544787] [ 1828] 0 1828 17821 197 39 3 0 0 sshd [ 198.572251] [ 1830] 0 1830 32811 1756 27 5 0 0 syz-execprog [ 198.600224] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 198.657800] [ 1848] 0 1848 9361 16 5 2 0 0 syz-executor5 [ 198.708364] [ 1849] 0 1849 9360 20 6 3 0 0 syz-executor4 [ 198.783594] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 198.837146] [ 1851] 0 1851 9360 22 6 3 0 0 syz-executor5 [ 198.906542] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 198.950070] [ 1853] 0 1853 9360 21 6 3 0 0 syz-executor1 [ 198.959678] [ 1854] 0 1854 9360 21 6 3 0 0 syz-executor0 [ 198.999214] [ 4651] 0 4651 9361 15 5 2 0 0 syz-executor2 [ 199.032281] [ 4652] 0 4652 9360 21 6 3 0 0 syz-executor2 [ 199.130062] [ 5217] 0 5217 9361 16 5 2 0 0 syz-executor3 [ 199.139614] [ 5218] 0 5218 9361 62 5 2 0 0 syz-executor3 [ 199.210810] [ 5224] 0 5224 5365 170 15 3 0 -1000 udevd [ 199.220391] [ 5231] 0 5230 9426 0 9 4 0 1000 syz-executor1 [ 199.230056] [ 5337] 0 5335 9426 28 9 4 0 1000 syz-executor4 [ 199.270054] [ 5345] 0 5343 9426 0 9 4 0 1000 syz-executor5 [ 199.279526] [ 5352] 0 5350 9426 29 9 4 0 1000 syz-executor0 [ 199.373427] [ 5376] 0 5375 9426 29 9 4 0 1000 syz-executor2 [ 199.410670] [ 5384] 0 5384 1050 18 8 3 0 0 sh [ 199.451245] Out of memory: Kill process 5350 (syz-executor0) score 999 or sacrifice child [ 199.501242] Killed process 5352 (syz-executor0) total-vm:37704kB, anon-rss:116kB, file-rss:0kB, shmem-rss:0kB [ 199.550323] oom_reaper: reaped process 5352 (syz-executor0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 200.157810] syz-executor5 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=1000 [ 200.171630] CPU: 0 PID: 5394 Comm: syz-executor5 Not tainted 4.14.75+ #18 [ 200.178548] Call Trace: [ 200.181129] dump_stack+0xb9/0x11b [ 200.184664] dump_header+0x17d/0x7a8 [ 200.188370] ? trace_hardirqs_on_caller+0x381/0x520 [ 200.193379] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 200.198471] ? ___ratelimit+0x4f/0x3f0 [ 200.202354] oom_kill_process.cold.8+0x10/0xc88 [ 200.207020] ? lock_downgrade+0x560/0x560 [ 200.211165] ? check_preemption_disabled+0x34/0x160 [ 200.216176] out_of_memory+0x669/0xa60 [ 200.220057] ? oom_killer_disable+0x1f0/0x1f0 [ 200.224552] __alloc_pages_nodemask+0x1949/0x2300 [ 200.229405] ? retint_kernel+0x2d/0x2d [ 200.233282] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 200.238117] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 200.242858] ? retint_kernel+0x2d/0x2d [ 200.246802] ? trace_hardirqs_on_caller+0x381/0x520 [ 200.251806] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 200.256554] ? retint_kernel+0x2d/0x2d [ 200.260448] __vmalloc_node_range+0x283/0x680 [ 200.264966] ? SyS_init_module+0x119/0x1e0 [ 200.269188] __vmalloc+0x63/0x80 [ 200.272544] ? SyS_init_module+0x119/0x1e0 [ 200.276799] SyS_init_module+0x119/0x1e0 [ 200.280846] ? load_module+0x9150/0x9150 [ 200.284923] ? do_syscall_64+0x43/0x4b0 [ 200.288895] ? load_module+0x9150/0x9150 [ 200.292954] do_syscall_64+0x19b/0x4b0 [ 200.296840] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 200.302020] RIP: 0033:0x457519 [ 200.305199] RSP: 002b:00007f0e9323ac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000af [ 200.312909] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457519 [ 200.320169] RDX: 00000000200000c0 RSI: 00000000fffffc2f RDI: 0000000020000140 [ 200.327426] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 200.334683] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0e9323b6d4 [ 200.341942] R13: 00000000004bdd3a R14: 00000000004ce230 R15: 00000000ffffffff [ 200.350624] Mem-Info: [ 200.356353] active_anon:4969 inactive_anon:41 isolated_anon:0 [ 200.356353] active_file:40 inactive_file:99 isolated_file:0 [ 200.356353] unevictable:0 dirty:0 writeback:0 unstable:0 [ 200.356353] slab_reclaimable:6933 slab_unreclaimable:55236 [ 200.356353] mapped:31 shmem:48 pagetables:390 bounce:0 [ 200.356353] free:50383 free_pcp:217 free_cma:0 [ 200.458826] Node 0 active_anon:19776kB inactive_anon:164kB active_file:460kB inactive_file:2996kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:1424kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 200.512997] DMA32 free:37200kB min:4792kB low:7868kB high:10944kB active_anon:536kB inactive_anon:16kB active_file:8kB inactive_file:128kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:256kB pagetables:220kB bounce:0kB free_pcp:804kB local_pcp:716kB free_cma:0kB [ 200.580084] lowmem_reserve[]: 0 3437 3437 [ 200.584312] Normal free:6852kB min:5480kB low:9000kB high:12520kB active_anon:19340kB inactive_anon:148kB active_file:464kB inactive_file:812kB unevictable:0kB writepending:0kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2880kB pagetables:1340kB bounce:0kB free_pcp:1020kB local_pcp:672kB free_cma:0kB [ 200.683832] lowmem_reserve[]: 0 0 0 [ 200.687514] DMA32: 43*4kB (UME) 37*8kB (UM) 41*16kB (UME) 38*32kB (UME) 18*64kB (UME) 31*128kB (UM) 6*256kB (ME) 3*512kB (M) 0*1024kB 4*2048kB (UM) 0*4096kB = 18724kB [ 200.720239] Normal: 9*4kB (UME) 7*8kB (UM) 9*16kB (UME) 15*32kB (UME) 3*64kB (UE) 2*128kB (UM) 17*256kB (UM) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5516kB [ 200.757410] 225 total pagecache pages [ 200.767050] 0 pages in swap cache [ 200.780066] Swap cache stats: add 0, delete 0, find 0/0 [ 200.785448] Free swap = 0kB [ 200.788452] Total swap = 0kB [ 200.821566] 1965979 pages RAM [ 200.824822] 0 pages HighMem/MovableOnly [ 200.828792] 315630 pages reserved [ 200.854668] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 200.910373] [ 191] 0 191 5385 185 17 3 0 -1000 udevd [ 200.919170] [ 299] 0 299 5384 184 15 3 0 -1000 udevd [ 200.950199] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 200.970178] [ 1630] 0 1630 30622 166 25 3 0 0 rsyslogd [ 201.000431] [ 1684] 0 1684 4725 50 15 3 0 0 cron [ 201.009212] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 201.062089] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 201.088411] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 201.110057] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 201.118833] [ 1828] 0 1828 17821 197 39 3 0 0 sshd [ 201.140053] [ 1830] 0 1830 32811 1756 27 5 0 0 syz-execprog [ 201.149458] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 201.180053] [ 1848] 0 1848 9361 16 5 2 0 0 syz-executor5 [ 201.189595] [ 1849] 0 1849 9360 20 6 3 0 0 syz-executor4 [ 201.220060] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 201.229515] [ 1851] 0 1851 9360 22 6 3 0 0 syz-executor5 [ 201.239142] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 201.248617] [ 1853] 0 1853 9360 21 6 3 0 0 syz-executor1 [ 201.258084] [ 1854] 0 1854 9360 21 6 3 0 0 syz-executor0 [ 201.267549] [ 4651] 0 4651 9361 15 5 2 0 0 syz-executor2 [ 201.277013] [ 4652] 0 4652 9360 21 6 3 0 0 syz-executor2 [ 201.286474] [ 5217] 0 5217 9361 16 5 2 0 0 syz-executor3 [ 201.295956] [ 5218] 0 5218 9361 16 5 2 0 0 syz-executor3 [ 201.305461] [ 5224] 0 5224 5365 170 15 3 0 -1000 udevd [ 201.314255] [ 5337] 0 5335 9426 28 9 4 0 1000 syz-executor4 [ 201.339481] [ 5352] 0 5350 9426 0 9 4 0 1000 syz-executor0 [ 201.348968] [ 5376] 0 5375 9426 29 9 4 0 1000 syz-executor2 [ 201.358975] [ 5394] 0 5393 9426 30 9 4 0 1000 syz-executor5 [ 201.368454] [ 5399] 0 5399 1050 17 8 3 0 0 sh [ 201.376968] [ 5400] 0 5400 2135 22 10 3 0 0 ip [ 201.385502] Out of memory: Kill process 5375 (syz-executor2) score 999 or sacrifice child [ 201.393865] Killed process 5376 (syz-executor2) total-vm:37704kB, anon-rss:116kB, file-rss:0kB, shmem-rss:0kB [ 201.404161] oom_reaper: reaped process 5376 (syz-executor2), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 201.435565] syz-executor2 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=1000 [ 201.451775] CPU: 1 PID: 5380 Comm: syz-executor2 Not tainted 4.14.75+ #18 [ 201.458717] Call Trace: [ 201.461301] dump_stack+0xb9/0x11b [ 201.464840] dump_header+0x17d/0x7a8 [ 201.468561] ? trace_hardirqs_on_caller+0x381/0x520 [ 201.473569] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 201.478678] ? ___ratelimit+0x4f/0x3f0 [ 201.482564] oom_kill_process.cold.8+0x10/0xc88 [ 201.487225] ? lock_downgrade+0x560/0x560 [ 201.491370] ? check_preemption_disabled+0x34/0x160 [ 201.496383] out_of_memory+0x669/0xa60 [ 201.500266] ? oom_killer_disable+0x1f0/0x1f0 [ 201.504770] __alloc_pages_nodemask+0x1949/0x2300 [ 201.509622] ? retint_kernel+0x2d/0x2d [ 201.513502] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 201.518337] ? trace_hardirqs_on_caller+0x381/0x520 [ 201.523343] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 201.528135] __vmalloc_node_range+0x283/0x680 [ 201.532627] ? SyS_init_module+0x119/0x1e0 [ 201.536901] __vmalloc+0x63/0x80 [ 201.540267] ? SyS_init_module+0x119/0x1e0 [ 201.544487] SyS_init_module+0x119/0x1e0 [ 201.548533] ? load_module+0x9150/0x9150 [ 201.552598] ? do_syscall_64+0x43/0x4b0 [ 201.556559] ? load_module+0x9150/0x9150 [ 201.560618] do_syscall_64+0x19b/0x4b0 [ 201.564501] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 201.569675] RIP: 0033:0x457519 [ 201.572850] RSP: 002b:00007f38c0542c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000af [ 201.580563] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457519 [ 201.587832] RDX: 00000000200000c0 RSI: 00000000fffffc2f RDI: 0000000020000140 [ 201.595087] RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 201.602340] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f38c05436d4 [ 201.609607] R13: 00000000004bdd3a R14: 00000000004ce230 R15: 00000000ffffffff [ 201.622565] Mem-Info: [ 201.625013] active_anon:4946 inactive_anon:41 isolated_anon:0 [ 201.625013] active_file:36 inactive_file:14 isolated_file:0 [ 201.625013] unevictable:0 dirty:0 writeback:3 unstable:0 [ 201.625013] slab_reclaimable:6974 slab_unreclaimable:55325 [ 201.625013] mapped:17 shmem:48 pagetables:381 bounce:0 [ 201.625013] free:5725 free_pcp:157 free_cma:0 [ 201.706312] Node 0 active_anon:19784kB inactive_anon:164kB active_file:208kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):12kB mapped:68kB dirty:0kB writeback:12kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 201.728927] DMA32 free:27344kB min:4792kB low:7868kB high:10944kB active_anon:516kB inactive_anon:16kB active_file:92kB inactive_file:524kB unevictable:0kB writepending:8kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:224kB pagetables:212kB bounce:0kB free_pcp:356kB local_pcp:120kB free_cma:0kB [ 201.756817] lowmem_reserve[]: 0 3437 3437 [ 201.761064] Normal free:2632kB min:5480kB low:9000kB high:12520kB active_anon:19268kB inactive_anon:148kB active_file:128kB inactive_file:204kB unevictable:0kB writepending:4kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2848kB pagetables:1312kB bounce:0kB free_pcp:4kB local_pcp:0kB free_cma:0kB [ 201.788967] lowmem_reserve[]: 0 0 0 [ 201.792640] DMA32: 2*4kB (UE) 6*8kB (UME) 37*16kB (ME) 37*32kB (UME) 30*64kB (UME) 23*128kB (UME) 16*256kB (UM) 24*512kB (UM) 9*1024kB (U) 4*2048kB (UM) 0*4096kB = 40488kB [ 201.808362] Normal: 11*4kB (UM) 23*8kB (UM) 9*16kB (UM) 18*32kB (UM) 8*64kB (M) 2*128kB (UM) 1*256kB (U) 2*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 2996kB [ 201.847408] 394 total pagecache pages [ 201.870072] 0 pages in swap cache [ 201.873530] Swap cache stats: add 0, delete 0, find 0/0 [ 201.899120] Free swap = 0kB [ 201.902162] Total swap = 0kB [ 201.905170] 1965979 pages RAM [ 201.908259] 0 pages HighMem/MovableOnly [ 201.925742] 315630 pages reserved [ 201.929196] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 201.951441] [ 191] 0 191 5385 185 17 3 0 -1000 udevd [ 201.967847] [ 299] 0 299 5384 184 15 3 0 -1000 udevd [ 201.976646] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 201.986185] [ 1630] 0 1630 30622 166 25 3 0 0 rsyslogd [ 201.996010] [ 1684] 0 1684 4725 50 15 3 0 0 cron [ 202.004735] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 202.014045] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 202.031330] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 202.040000] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 202.070818] [ 1828] 0 1828 17821 197 39 3 0 0 sshd [ 202.079496] [ 1830] 0 1830 32811 1756 27 5 0 0 syz-execprog [ 202.094214] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 202.103996] [ 1848] 0 1848 9361 16 5 2 0 0 syz-executor5 [ 202.144061] [ 1849] 0 1849 9360 20 6 3 0 0 syz-executor4 [ 202.178604] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 202.200056] [ 1851] 0 1851 9360 22 6 3 0 0 syz-executor5 [ 202.219686] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 202.232148] [ 1853] 0 1853 9360 21 6 3 0 0 syz-executor1 [ 202.313031] [ 1854] 0 1854 9360 21 6 3 0 0 syz-executor0 [ 202.351846] [ 4651] 0 4651 9361 15 5 2 0 0 syz-executor2 [ 202.380056] [ 4652] 0 4652 9360 21 6 3 0 0 syz-executor2 [ 202.389523] [ 5217] 0 5217 9361 16 5 2 0 0 syz-executor3 [ 202.410074] [ 5218] 0 5218 9361 16 5 2 0 0 syz-executor3 [ 202.419527] [ 5224] 0 5224 5365 170 15 3 0 -1000 udevd [ 202.455564] [ 5337] 0 5335 9426 28 9 4 0 1000 syz-executor4 2018/10/11 19:02:12 executed programs: 48 [ 202.509724] [ 5352] 0 5350 9426 0 9 4 0 1000 syz-executor0 [ 202.554586] [ 5376] 0 5375 9426 0 9 4 0 1000 syz-executor2 [ 202.587276] [ 5394] 0 5393 9426 30 9 4 0 1000 syz-executor5 [ 202.616722] [ 5405] 0 5405 1050 17 7 3 0 0 sh [ 202.642815] [ 5406] 0 5406 9393 21 9 4 0 1000 syz-executor1 [ 202.687698] Out of memory: Kill process 5393 (syz-executor5) score 999 or sacrifice child [ 202.696187] Killed process 5394 (syz-executor5) total-vm:37704kB, anon-rss:120kB, file-rss:0kB, shmem-rss:0kB [ 202.714398] oom_reaper: reaped process 5394 (syz-executor5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 202.781150] oom_reaper: reaped process 5371 (syz-executor4), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 202.831615] syz-executor1 invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=1000 [ 202.894190] CPU: 0 PID: 5406 Comm: syz-executor1 Not tainted 4.14.75+ #18 [ 202.901139] Call Trace: [ 202.903724] dump_stack+0xb9/0x11b [ 202.907261] dump_header+0x17d/0x7a8 [ 202.910966] ? trace_hardirqs_on_caller+0x381/0x520 [ 202.915971] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 202.921064] ? ___ratelimit+0x4f/0x3f0 [ 202.924951] oom_kill_process.cold.8+0x10/0xc88 [ 202.929613] ? lock_downgrade+0x560/0x560 [ 202.933753] ? check_preemption_disabled+0x34/0x160 [ 202.938764] out_of_memory+0x669/0xa60 [ 202.942648] ? oom_killer_disable+0x1f0/0x1f0 [ 202.947145] __alloc_pages_nodemask+0x1949/0x2300 [ 202.952001] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 202.956838] ? find_get_entry+0x118/0x550 [ 202.960986] ? __radix_tree_lookup+0x220/0x220 [ 202.965558] ? check_preemption_disabled+0x34/0x160 [ 202.970568] ? find_get_entry+0x13f/0x550 [ 202.974718] ? pagecache_get_page+0x129/0x770 [ 202.979208] filemap_fault+0xcdd/0x14a0 [ 202.983190] ext4_filemap_fault+0x7d/0xb0 [ 202.987328] __do_fault+0x80/0x210 [ 202.990861] __handle_mm_fault+0xe04/0x23a0 [ 202.995182] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 203.000282] ? vm_insert_page+0x6d0/0x6d0 [ 203.004422] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 203.009514] ? free_object+0xe4/0x240 [ 203.013319] ? check_preemption_disabled+0x34/0x160 [ 203.018331] handle_mm_fault+0x2f2/0x6eb [ 203.022392] __do_page_fault+0x45d/0xb60 [ 203.026447] ? retint_user+0x18/0x18 [ 203.030156] ? bad_area_access_error+0x330/0x330 [ 203.034911] ? page_fault+0x2c/0x50 [ 203.038532] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 203.043366] ? page_fault+0x2c/0x50 [ 203.046982] page_fault+0x42/0x50 [ 203.050422] RIP: 03e8:0x3173b [ 203.053516] RSP: 31a2c:000000000072bf00 EFLAGS: 0072c900 [ 203.550049] Mem-Info: [ 203.557944] active_anon:4924 inactive_anon:41 isolated_anon:0 [ 203.557944] active_file:30 inactive_file:14 isolated_file:23 [ 203.557944] unevictable:0 dirty:0 writeback:0 unstable:0 [ 203.557944] slab_reclaimable:7046 slab_unreclaimable:55330 [ 203.557944] mapped:27 shmem:48 pagetables:370 bounce:0 [ 203.557944] free:4771 free_pcp:295 free_cma:0 [ 203.680072] Node 0 active_anon:19696kB inactive_anon:164kB active_file:120kB inactive_file:156kB unevictable:0kB isolated(anon):0kB isolated(file):92kB mapped:108kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 203.739308] DMA32 free:16116kB min:4792kB low:7868kB high:10944kB active_anon:240kB inactive_anon:20kB active_file:0kB inactive_file:416kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:224kB pagetables:212kB bounce:0kB free_pcp:384kB local_pcp:120kB free_cma:0kB [ 203.830182] lowmem_reserve[]: 0 3437 3437 [ 203.834385] Normal free:2248kB min:5480kB low:9000kB high:12520kB active_anon:19516kB inactive_anon:144kB active_file:160kB inactive_file:356kB unevictable:0kB writepending:0kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2848kB pagetables:1268kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB [ 203.960046] lowmem_reserve[]: 0 0 0 [ 203.963717] DMA32: 35*4kB (M) 31*8kB (ME) 32*16kB (M) 26*32kB (ME) 675*64kB (UME) 64*128kB (UME) 13*256kB (UM) 5*512kB (UM) 2*1024kB (U) 3*2048kB (UM) 0*4096kB = 67204kB [ 204.011930] Normal: 25*4kB (ME) 53*8kB (UME) 31*16kB (ME) 332*32kB (UME) 58*64kB (UM) 24*128kB (UE) 3*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 19196kB [ 204.070086] 200 total pagecache pages [ 204.073927] 0 pages in swap cache [ 204.077365] Swap cache stats: add 0, delete 0, find 0/0 [ 204.101329] Free swap = 0kB [ 204.104489] Total swap = 0kB [ 204.107615] 1965979 pages RAM [ 204.160057] 0 pages HighMem/MovableOnly [ 204.164701] 315630 pages reserved [ 204.168200] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 204.260957] [ 191] 0 191 5385 185 17 3 0 -1000 udevd [ 204.269818] [ 299] 0 299 5384 183 15 3 0 -1000 udevd [ 204.340067] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 204.371191] [ 1630] 0 1630 30622 167 25 3 0 0 rsyslogd [ 204.400062] [ 1684] 0 1684 4725 50 15 3 0 0 cron [ 204.408858] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 204.510771] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 204.567851] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 204.600052] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 204.608900] [ 1828] 0 1828 17821 197 39 3 0 0 sshd [ 204.674178] [ 1830] 0 1830 32811 1756 27 5 0 0 syz-execprog [ 204.726010] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 204.780730] [ 1848] 0 1848 9361 16 5 2 0 0 syz-executor5 [ 204.840426] [ 1849] 0 1849 9360 20 6 3 0 0 syz-executor4 [ 204.900084] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 204.909567] [ 1851] 0 1851 9360 22 6 3 0 0 syz-executor5 [ 204.977252] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 205.038759] [ 1853] 0 1853 9360 21 6 3 0 0 syz-executor1 [ 205.080498] [ 1854] 0 1854 9360 21 6 3 0 0 syz-executor0 [ 205.090106] [ 4651] 0 4651 9361 15 5 2 0 0 syz-executor2 [ 205.140161] [ 4652] 0 4652 9360 21 6 3 0 0 syz-executor2 [ 205.188373] [ 5217] 0 5217 9361 16 5 2 0 0 syz-executor3 [ 205.226651] [ 5218] 0 5218 9361 16 5 2 0 0 syz-executor3 [ 205.270104] [ 5224] 0 5224 5365 170 15 3 0 -1000 udevd [ 205.278904] [ 5337] 0 5335 9426 0 9 4 0 1000 syz-executor4 [ 205.340079] [ 5376] 0 5375 9426 0 9 4 0 1000 syz-executor2 [ 205.349574] [ 5394] 0 5393 9426 0 9 4 0 1000 syz-executor5 [ 205.407171] [ 5406] 0 5406 9393 21 9 4 0 1000 syz-executor1 [ 205.430054] [ 5419] 0 5419 1050 120 7 3 0 0 sh [ 205.450092] Out of memory: Kill process 5406 (syz-executor1) score 999 or sacrifice child [ 205.458434] Killed process 5406 (syz-executor1) total-vm:37572kB, anon-rss:84kB, file-rss:0kB, shmem-rss:0kB [ 205.511007] oom_reaper: reaped process 5406 (syz-executor1), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 206.327927] syz-executor3 invoked oom-killer: gfp_mask=0x15080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null), order=1, oom_score_adj=0 [ 206.373825] CPU: 1 PID: 5458 Comm: syz-executor3 Not tainted 4.14.75+ #18 [ 206.380786] Call Trace: [ 206.383371] dump_stack+0xb9/0x11b [ 206.386913] dump_header+0x17d/0x7a8 [ 206.390623] ? trace_hardirqs_on_caller+0x381/0x520 [ 206.395628] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 206.400725] ? ___ratelimit+0x4f/0x3f0 [ 206.404612] oom_kill_process.cold.8+0x10/0xc88 [ 206.409280] ? lock_downgrade+0x560/0x560 [ 206.413425] ? check_preemption_disabled+0x34/0x160 [ 206.418442] out_of_memory+0x669/0xa60 [ 206.422324] ? oom_killer_disable+0x1f0/0x1f0 [ 206.426818] __alloc_pages_nodemask+0x1949/0x2300 [ 206.431663] ? do_syscall_64+0x19b/0x4b0 [ 206.435715] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 206.441073] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 206.445916] ? sched_ttwu_pending+0x2a0/0x2a0 [ 206.450401] ? stop_one_cpu+0xf9/0x150 [ 206.454299] ? cpu_stop_park+0x80/0x80 [ 206.458181] ? sched_ttwu_pending+0x2a0/0x2a0 [ 206.462700] __get_free_pages+0x13/0xa0 [ 206.466667] pgd_alloc+0x1f/0x3a0 [ 206.470118] mm_init+0x514/0x800 [ 206.473475] mm_alloc+0xa1/0xc0 [ 206.476747] do_execveat_common.isra.14+0xa71/0x1d60 [ 206.481870] ? prepare_bprm_creds+0x110/0x110 [ 206.486366] ? getname_flags+0x222/0x540 [ 206.490435] SyS_execve+0x34/0x40 [ 206.493882] ? setup_new_exec+0x770/0x770 [ 206.498027] do_syscall_64+0x19b/0x4b0 [ 206.501929] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 206.507106] RIP: 0033:0x455dc7 [ 206.510284] RSP: 002b:00007ffd2c139f68 EFLAGS: 00000207 ORIG_RAX: 000000000000003b [ 206.517982] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000455dc7 [ 206.525241] RDX: 00007ffd2c13a668 RSI: 00007ffd2c139fa0 RDI: 00000000004dac1b [ 206.532497] RBP: 00007ffd2c13a120 R08: 0000000000000000 R09: 0000000000000027 [ 206.539755] R10: 0000000000000008 R11: 0000000000000207 R12: 00007ffd2c13a338 [ 206.547014] R13: 00007ffd2c13a2c8 R14: 0000000000000000 R15: 0000000000000000 [ 206.555948] Mem-Info: [ 206.558653] active_anon:4879 inactive_anon:41 isolated_anon:0 [ 206.558653] active_file:44 inactive_file:28 isolated_file:0 [ 206.558653] unevictable:0 dirty:6 writeback:0 unstable:0 [ 206.558653] slab_reclaimable:7184 slab_unreclaimable:54948 [ 206.558653] mapped:30 shmem:48 pagetables:355 bounce:0 [ 206.558653] free:17065 free_pcp:61 free_cma:0 [ 206.602253] Node 0 active_anon:19516kB inactive_anon:164kB active_file:176kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:24kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 206.625089] DMA32 free:28448kB min:4792kB low:7868kB high:10944kB active_anon:324kB inactive_anon:8kB active_file:24kB inactive_file:228kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:128kB pagetables:152kB bounce:0kB free_pcp:620kB local_pcp:0kB free_cma:0kB [ 206.652809] lowmem_reserve[]: 0 3437 3437 [ 206.657383] Normal free:2616kB min:5480kB low:9000kB high:12520kB active_anon:19192kB inactive_anon:156kB active_file:128kB inactive_file:556kB unevictable:0kB writepending:24kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2752kB pagetables:1268kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 206.685875] lowmem_reserve[]: 0 0 0 [ 206.699446] DMA32: 30*4kB (UME) 18*8kB (M) 21*16kB (UME) 21*32kB (UME) 19*64kB (UME) 14*128kB (UME) 7*256kB (UM) 6*512kB (UM) 1*1024kB (U) 3*2048kB (ME) 0*4096kB = 16312kB [ 206.715797] Normal: 56*4kB (UM) 223*8kB (UM) 202*16kB (UME) 40*32kB (UME) 14*64kB (UME) 4*128kB (UM) 3*256kB (UE) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 8696kB [ 206.731117] 176 total pagecache pages [ 206.735703] 0 pages in swap cache [ 206.739848] Swap cache stats: add 0, delete 0, find 0/0 [ 206.746091] Free swap = 0kB [ 206.749990] Total swap = 0kB [ 206.753877] 1965979 pages RAM [ 206.758052] 0 pages HighMem/MovableOnly [ 206.762490] 315630 pages reserved [ 206.766367] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 206.775815] [ 191] 0 191 5385 186 17 3 0 -1000 udevd [ 206.784994] [ 299] 0 299 5384 184 15 3 0 -1000 udevd [ 206.794092] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 206.804808] [ 1630] 0 1630 30622 167 25 3 0 0 rsyslogd [ 206.813893] [ 1684] 0 1684 4725 50 15 3 0 0 cron [ 206.840051] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 206.849192] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 206.860780] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 206.869458] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 206.900075] [ 1828] 0 1828 17821 197 39 3 0 0 sshd [ 206.908753] [ 1830] 0 1830 32811 1756 27 5 0 0 syz-execprog [ 206.940074] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 206.949527] [ 1848] 0 1848 9361 16 5 2 0 0 syz-executor5 [ 206.980084] [ 1849] 0 1849 9360 20 6 3 0 0 syz-executor4 [ 206.989547] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 207.010050] [ 1851] 0 1851 9360 22 6 3 0 0 syz-executor5 [ 207.019503] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 207.050047] [ 1853] 0 1853 9360 21 6 3 0 0 syz-executor1 [ 207.059529] [ 1854] 0 1854 9360 21 6 3 0 0 syz-executor0 [ 207.090049] [ 4651] 0 4651 9361 15 5 2 0 0 syz-executor2 [ 207.099505] [ 4652] 0 4652 9360 21 6 3 0 0 syz-executor2 [ 207.130047] [ 5217] 0 5217 9361 16 5 2 0 0 syz-executor3 [ 207.139524] [ 5218] 0 5218 9361 16 5 2 0 0 syz-executor3 [ 207.170077] [ 5224] 0 5224 5365 170 15 3 0 -1000 udevd [ 207.178846] [ 5337] 0 5335 9426 0 9 4 0 1000 syz-executor4 [ 207.200083] [ 5407] 0 5406 9393 0 9 4 0 1000 syz-executor1 [ 207.209552] [ 5458] 0 5458 9361 16 5 2 0 0 syz-executor3 [ 207.240289] Out of memory: Kill process 1830 (syz-execprog) score 1 or sacrifice child [ 207.248610] Killed process 1848 (syz-executor5) total-vm:37444kB, anon-rss:64kB, file-rss:0kB, shmem-rss:0kB 2018/10/11 19:02:18 executed programs: 52 [ 212.465636] oom_reaper: reaped process 5709 (syz-executor3), now anon-rss:0kB, file-rss:4kB, shmem-rss:0kB 2018/10/11 19:02:25 executed programs: 54 2018/10/11 19:02:25 result: failed=false hanged=false err=executor 5: failed to write control pipe: write |1: broken pipe 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" [ 216.962447] oom_reaper: reaped process 5718 (syz-executor3), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 216.994078] oom_reaper: reaped process 5712 (syz-executor2), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 217.004326] oom_reaper: reaped process 5738 (syz-executor4), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 217.014295] oom_reaper: reaped process 5716 (syz-executor1), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 217.024310] oom_reaper: reaped process 5719 (syz-executor0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 217.090390] syz-executor4 invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 217.103438] CPU: 0 PID: 1849 Comm: syz-executor4 Not tainted 4.14.75+ #18 [ 217.110363] Call Trace: [ 217.112951] dump_stack+0xb9/0x11b [ 217.116488] dump_header+0x17d/0x7a8 [ 217.120193] ? trace_hardirqs_on_caller+0x381/0x520 [ 217.125207] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 217.130307] ? ___ratelimit+0x4f/0x3f0 [ 217.134192] oom_kill_process.cold.8+0x10/0xc88 [ 217.138854] ? lock_downgrade+0x560/0x560 [ 217.143021] ? check_preemption_disabled+0x34/0x160 [ 217.148045] out_of_memory+0x669/0xa60 [ 217.151949] ? oom_killer_disable+0x1f0/0x1f0 [ 217.156446] __alloc_pages_nodemask+0x1949/0x2300 [ 217.161306] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 217.166140] ? find_get_entry+0x118/0x550 [ 217.170286] ? check_preemption_disabled+0x34/0x160 [ 217.175292] ? check_preemption_disabled+0x34/0x160 [ 217.180302] ? find_get_entry+0x13f/0x550 [ 217.184448] ? pagecache_get_page+0x129/0x770 [ 217.188944] filemap_fault+0xcdd/0x14a0 [ 217.192945] ext4_filemap_fault+0x7d/0xb0 [ 217.197082] __do_fault+0x80/0x210 [ 217.200615] __handle_mm_fault+0xe04/0x23a0 [ 217.204933] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 217.210031] ? vm_insert_page+0x6d0/0x6d0 [ 217.214169] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 217.219265] ? free_object+0xe4/0x240 [ 217.223072] ? check_preemption_disabled+0x34/0x160 [ 217.228086] handle_mm_fault+0x2f2/0x6eb [ 217.232141] __do_page_fault+0x45d/0xb60 [ 217.236196] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 217.241550] ? bad_area_access_error+0x330/0x330 [ 217.246311] ? page_fault+0x2c/0x50 [ 217.249931] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 217.254766] ? page_fault+0x2c/0x50 [ 217.258386] page_fault+0x42/0x50 [ 217.261826] RIP: 348dd:0x8 [ 217.264662] RSP: 34c2d:0000000000000115 EFLAGS: 00000001 [ 218.050045] Mem-Info: [ 218.057946] active_anon:4918 inactive_anon:41 isolated_anon:0 [ 218.057946] active_file:21 inactive_file:13 isolated_file:0 [ 218.057946] unevictable:0 dirty:0 writeback:0 unstable:0 [ 218.057946] slab_reclaimable:7315 slab_unreclaimable:54723 [ 218.057946] mapped:2 shmem:48 pagetables:388 bounce:0 [ 218.057946] free:4615 free_pcp:0 free_cma:0 [ 218.270722] Node 0 active_anon:19672kB inactive_anon:164kB active_file:116kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 218.430652] DMA32 free:16120kB min:4792kB low:7868kB high:10944kB active_anon:392kB inactive_anon:0kB active_file:16kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:160kB pagetables:124kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 218.570760] lowmem_reserve[]: 0 3437 3437 [ 218.574995] Normal free:2340kB min:5480kB low:9000kB high:12520kB active_anon:19280kB inactive_anon:164kB active_file:72kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:3008kB pagetables:1428kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 218.760776] lowmem_reserve[]: 0 0 0 [ 218.764476] DMA32: 20*4kB (ME) 17*8kB (UM) 12*16kB (UME) 13*32kB (UM) 13*64kB (ME) 9*128kB (M) 6*256kB (M) 5*512kB (UM) 1*1024kB (M) 2*2048kB (M) 1*4096kB (E) = 16120kB [ 218.860700] Normal: 49*4kB (ME) 19*8kB (ME) 14*16kB (ME) 27*32kB (UME) 10*64kB (UME) 3*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 2460kB [ 218.940789] 96 total pagecache pages [ 218.944545] 0 pages in swap cache [ 218.947988] Swap cache stats: add 0, delete 0, find 0/0 [ 219.000752] Free swap = 0kB [ 219.003789] Total swap = 0kB [ 219.006794] 1965979 pages RAM [ 219.009882] 0 pages HighMem/MovableOnly [ 219.081359] 315630 pages reserved [ 219.084824] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 219.150070] [ 191] 0 191 5385 186 17 3 0 -1000 udevd [ 219.158849] [ 299] 0 299 5384 184 15 3 0 -1000 udevd [ 219.250061] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 219.259116] [ 1630] 0 1630 30622 167 25 3 0 0 rsyslogd [ 219.350059] [ 1684] 0 1684 4725 50 15 3 0 0 cron [ 219.358764] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 219.440069] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 219.449388] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 219.528991] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 219.588863] [ 1828] 0 1828 17821 197 39 3 0 0 sshd [ 219.660072] [ 1830] 0 1830 32811 1756 27 5 0 0 syz-execprog [ 219.669566] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 219.770292] [ 1849] 0 1849 9360 20 6 3 0 0 syz-executor4 [ 219.790062] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 219.799547] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 219.890063] [ 1853] 0 1853 9360 84 6 3 0 0 syz-executor1 [ 219.932418] [ 1854] 0 1854 9360 21 6 3 0 0 syz-executor0 [ 219.984513] [ 4651] 0 4651 9361 15 5 2 0 0 syz-executor2 [ 220.040089] [ 4652] 0 4652 9360 21 6 3 0 0 syz-executor2 [ 220.049557] [ 5217] 0 5217 9361 16 5 2 0 0 syz-executor3 [ 220.164471] [ 5218] 0 5218 9360 22 6 3 0 0 syz-executor3 [ 220.233488] [ 5224] 0 5224 5365 170 15 3 0 -1000 udevd [ 220.270078] [ 5712] 0 5711 9426 0 9 4 0 1000 syz-executor2 [ 220.279544] [ 5716] 0 5713 9426 0 9 4 0 1000 syz-executor1 [ 220.380725] [ 5718] 0 5714 9426 0 9 4 0 1000 syz-executor3 [ 220.430064] [ 5719] 0 5715 9426 0 9 4 0 1000 syz-executor0 [ 220.460092] [ 5721] 0 5717 9426 0 9 4 0 1000 syz-executor4 [ 220.469577] [ 5720] 0 5720 9361 17 5 2 0 0 syz-executor5 [ 220.565047] [ 5722] 0 5722 9361 142 5 2 0 0 syz-executor5 [ 220.620098] [ 5784] 0 5784 1050 121 8 3 0 0 sh [ 220.628632] [ 5785] 0 5785 1050 23 5 3 0 0 sh [ 220.700430] Out of memory: Kill process 1830 (syz-execprog) score 1 or sacrifice child [ 220.708597] Killed process 5720 (syz-executor5) total-vm:37444kB, anon-rss:68kB, file-rss:0kB, shmem-rss:0kB 2018/10/11 19:02:31 result: failed=false hanged=false err=executor 5: EOF 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 2018/10/11 19:02:31 executed programs: 56 [ 223.767160] oom_reaper: reaped process 5796 (syz-executor4), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 223.802177] oom_reaper: reaped process 5802 (syz-executor3), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 223.864480] oom_reaper: reaped process 5811 (syz-executor1), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 223.922366] oom_reaper: reaped process 5851 (syz-executor2), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 223.980255] syz-executor1 invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 224.043051] CPU: 0 PID: 1853 Comm: syz-executor1 Not tainted 4.14.75+ #18 [ 224.050010] Call Trace: [ 224.052605] dump_stack+0xb9/0x11b [ 224.056145] dump_header+0x17d/0x7a8 [ 224.059859] ? trace_hardirqs_on_caller+0x381/0x520 [ 224.064877] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 224.069977] ? ___ratelimit+0x4f/0x3f0 [ 224.073867] oom_kill_process.cold.8+0x10/0xc88 [ 224.078532] ? lock_downgrade+0x560/0x560 [ 224.082678] ? check_preemption_disabled+0x34/0x160 [ 224.087690] out_of_memory+0x669/0xa60 [ 224.091587] ? oom_killer_disable+0x1f0/0x1f0 [ 224.096084] __alloc_pages_nodemask+0x1949/0x2300 [ 224.100947] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 224.105781] ? find_get_entry+0x118/0x550 [ 224.109932] ? __radix_tree_lookup+0x220/0x220 [ 224.114504] ? check_preemption_disabled+0x34/0x160 [ 224.119515] ? find_get_entry+0x13f/0x550 [ 224.123660] ? pagecache_get_page+0x129/0x770 [ 224.128147] filemap_fault+0xcdd/0x14a0 [ 224.132129] ext4_filemap_fault+0x7d/0xb0 [ 224.136266] __do_fault+0x80/0x210 [ 224.139800] __handle_mm_fault+0xe04/0x23a0 [ 224.144112] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 224.149204] ? vm_insert_page+0x6d0/0x6d0 [ 224.153340] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 224.158432] ? free_object+0xe4/0x240 [ 224.162245] ? check_preemption_disabled+0x34/0x160 [ 224.167257] handle_mm_fault+0x2f2/0x6eb [ 224.171313] __do_page_fault+0x45d/0xb60 [ 224.175369] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 224.180722] ? bad_area_access_error+0x330/0x330 [ 224.185469] ? page_fault+0x2c/0x50 [ 224.189084] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 224.193924] ? page_fault+0x2c/0x50 [ 224.197542] page_fault+0x42/0x50 [ 224.200980] RIP: 363dc:0x9 [ 224.203810] RSP: 36708:0000000000000118 EFLAGS: 00000001 [ 224.851582] Mem-Info: [ 224.859471] active_anon:4879 inactive_anon:41 isolated_anon:0 [ 224.859471] active_file:19 inactive_file:0 isolated_file:0 [ 224.859471] unevictable:0 dirty:0 writeback:0 unstable:0 [ 224.859471] slab_reclaimable:7202 slab_unreclaimable:55163 [ 224.859471] mapped:2 shmem:48 pagetables:371 bounce:0 [ 224.859471] free:4558 free_pcp:30 free_cma:0 [ 225.071390] Node 0 active_anon:19516kB inactive_anon:164kB active_file:88kB inactive_file:96kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 225.213925] DMA32 free:15712kB min:4792kB low:7868kB high:10944kB active_anon:108kB inactive_anon:0kB active_file:24kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:128kB pagetables:48kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB [ 225.380754] lowmem_reserve[]: 0 3437 3437 [ 225.384977] Normal free:2520kB min:5480kB low:9000kB high:12520kB active_anon:19408kB inactive_anon:164kB active_file:164kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2976kB pagetables:1436kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 225.564473] lowmem_reserve[]: 0 0 0 [ 225.568150] DMA32: 26*4kB (M) 25*8kB (ME) 23*16kB (ME) 20*32kB (UME) 15*64kB (M) 13*128kB (UM) 6*256kB (UM) 2*512kB (UM) 1*1024kB (U) 4*2048kB (UM) 0*4096kB = 15712kB [ 225.660065] Normal: 124*4kB (UME) 81*8kB (UME) 34*16kB (UME) 4*32kB (UME) 1*64kB (U) 1*128kB (U) 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 2520kB [ 225.745138] 96 total pagecache pages [ 225.748881] 0 pages in swap cache [ 225.785064] Swap cache stats: add 0, delete 0, find 0/0 [ 225.822770] Free swap = 0kB [ 225.825800] Total swap = 0kB [ 225.828802] 1965979 pages RAM [ 225.881454] 0 pages HighMem/MovableOnly [ 225.885452] 315630 pages reserved [ 225.888899] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 225.970677] [ 191] 0 191 5385 186 17 3 0 -1000 udevd [ 226.041779] [ 299] 0 299 5384 184 15 3 0 -1000 udevd [ 226.099223] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 226.160065] [ 1630] 0 1630 30622 167 25 3 0 0 rsyslogd [ 226.169110] [ 1684] 0 1684 4725 50 15 3 0 0 cron [ 226.267866] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 226.340062] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 226.390106] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 226.398789] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 226.520070] [ 1828] 0 1828 17821 197 39 3 0 0 sshd [ 226.528798] [ 1830] 0 1830 32811 1756 27 5 0 0 syz-execprog [ 226.625729] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 226.690091] [ 1849] 0 1849 9360 20 6 3 0 0 syz-executor4 [ 226.699573] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 226.820069] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 226.860071] [ 1853] 0 1853 9360 21 6 3 0 0 syz-executor1 [ 226.869570] [ 1854] 0 1854 9360 21 6 3 0 0 syz-executor0 [ 226.960076] [ 4651] 0 4651 9361 15 5 2 0 0 syz-executor2 [ 226.969577] [ 4652] 0 4652 9360 21 6 3 0 0 syz-executor2 [ 227.080072] [ 5217] 0 5217 9361 16 5 2 0 0 syz-executor3 [ 227.089555] [ 5218] 0 5218 9360 22 6 3 0 0 syz-executor3 [ 227.195162] [ 5224] 0 5224 5365 170 15 3 0 -1000 udevd [ 227.220503] [ 5792] 0 5792 9361 17 5 2 0 0 syz-executor5 [ 227.229961] [ 5793] 0 5793 9361 49 5 2 0 0 syz-executor5 [ 227.310104] [ 5799] 0 5794 9426 29 9 4 0 1000 syz-executor0 [ 227.323166] [ 5796] 0 5795 9426 0 9 4 0 1000 syz-executor4 [ 227.370118] [ 5802] 0 5801 9426 0 9 4 0 1000 syz-executor3 [ 227.379602] [ 5811] 0 5810 9426 0 9 4 0 1000 syz-executor1 [ 227.440065] [ 5815] 0 5813 9426 0 9 4 0 1000 syz-executor2 [ 227.449545] [ 5910] 0 5910 1050 121 8 3 0 0 sh [ 227.520116] Out of memory: Kill process 5794 (syz-executor0) score 999 or sacrifice child [ 227.528488] Killed process 5799 (syz-executor0) total-vm:37704kB, anon-rss:116kB, file-rss:0kB, shmem-rss:0kB [ 227.620796] oom_reaper: reaped process 5799 (syz-executor0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB 2018/10/11 19:02:37 executed programs: 62 [ 228.899824] blkid invoked oom-killer: gfp_mask=0x15080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null), order=0, oom_score_adj=-1000 [ 228.919859] CPU: 1 PID: 5984 Comm: blkid Not tainted 4.14.75+ #18 [ 228.926108] Call Trace: [ 228.928697] dump_stack+0xb9/0x11b [ 228.932239] dump_header+0x17d/0x7a8 [ 228.935948] ? trace_hardirqs_on_caller+0x381/0x520 [ 228.940961] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 228.946165] ? ___ratelimit+0x4f/0x3f0 [ 228.950055] oom_kill_process.cold.8+0x10/0xc88 [ 228.954726] ? lock_downgrade+0x560/0x560 [ 228.958881] ? check_preemption_disabled+0x34/0x160 [ 228.963911] out_of_memory+0x669/0xa60 [ 228.967795] ? oom_killer_disable+0x1f0/0x1f0 [ 228.972286] __alloc_pages_nodemask+0x1949/0x2300 [ 228.977148] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 228.981980] ? __lock_acquire+0x619/0x4320 [ 228.986220] __pmd_alloc+0x3f/0x470 [ 228.989826] move_page_tables+0xaf3/0xe00 [ 228.993963] shift_arg_pages+0x181/0x3e0 [ 228.998022] ? put_arg_page+0xd0/0xd0 [ 229.001818] ? lock_acquire+0x10f/0x380 [ 229.005782] ? setup_arg_pages+0x25d/0x720 [ 229.009998] setup_arg_pages+0x5b8/0x720 [ 229.014044] ? shift_arg_pages+0x3e0/0x3e0 [ 229.018258] ? check_preemption_disabled+0x34/0x160 [ 229.023256] load_elf_binary+0xa11/0x4530 [ 229.027390] ? selinux_inode_permission+0x221/0x460 [ 229.032391] ? selinux_inode_link+0x20/0x20 [ 229.036713] ? set_brk+0x150/0x150 [ 229.040251] ? lock_downgrade+0x560/0x560 [ 229.044392] ? lock_acquire+0x10f/0x380 [ 229.048360] ? search_binary_handler+0x14e/0x6c0 [ 229.053094] ? do_execveat_common.isra.14+0x10da/0x1d60 [ 229.058433] ? check_preemption_disabled+0x34/0x160 [ 229.063447] search_binary_handler+0x13f/0x6c0 [ 229.068033] do_execveat_common.isra.14+0x1109/0x1d60 [ 229.073228] ? prepare_bprm_creds+0x110/0x110 [ 229.077977] ? getname_flags+0x222/0x540 [ 229.082036] SyS_execve+0x34/0x40 [ 229.085481] ? setup_new_exec+0x770/0x770 [ 229.089637] do_syscall_64+0x19b/0x4b0 [ 229.093540] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 229.098715] RIP: 0033:0x7ff2828e3207 [ 229.102426] RSP: 002b:00007fff6ed53068 EFLAGS: 00000202 ORIG_RAX: 000000000000003b [ 229.110128] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00007ff2828e3207 [ 229.117386] RDX: 0000000001f33300 RSI: 00007fff6ed53160 RDI: 00007fff6ed54170 [ 229.124648] RBP: 0000000000625500 R08: 000000000000012b R09: 000000000000012b [ 229.131912] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000001f33300 [ 229.139172] R13: 0000000000000007 R14: 0000000001ee3030 R15: 0000000000000005 [ 229.158760] Mem-Info: [ 229.161247] active_anon:4905 inactive_anon:39 isolated_anon:0 [ 229.161247] active_file:15 inactive_file:19 isolated_file:0 [ 229.161247] unevictable:0 dirty:0 writeback:0 unstable:0 [ 229.161247] slab_reclaimable:7046 slab_unreclaimable:55794 [ 229.161247] mapped:2 shmem:48 pagetables:368 bounce:0 [ 229.161247] free:4648 free_pcp:21 free_cma:0 [ 229.198687] Node 0 active_anon:19620kB inactive_anon:156kB active_file:60kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 229.226327] DMA32 free:15884kB min:4792kB low:7868kB high:10944kB active_anon:284kB inactive_anon:4kB active_file:20kB inactive_file:8kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:320kB pagetables:140kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 229.259350] lowmem_reserve[]: 0 3437 3437 [ 229.263572] Normal free:2708kB min:5480kB low:9000kB high:12520kB active_anon:19336kB inactive_anon:152kB active_file:40kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2816kB pagetables:1332kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 229.296924] lowmem_reserve[]: 0 0 0 [ 229.300594] DMA32: 69*4kB (UM) 43*8kB (UME) 29*16kB (UME) 14*32kB (ME) 8*64kB (UM) 9*128kB (M) 5*256kB (UM) 3*512kB (M) 0*1024kB 3*2048kB (M) 1*4096kB (U) = 16252kB [ 229.340729] Normal: 164*4kB (UME) 91*8kB (UME) 42*16kB (UME) 10*32kB (UME) 5*64kB (M) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 2824kB [ 229.374171] 82 total pagecache pages [ 229.377897] 0 pages in swap cache [ 229.392097] Swap cache stats: add 0, delete 0, find 0/0 [ 229.397455] Free swap = 0kB [ 229.412122] Total swap = 0kB [ 229.415140] 1965979 pages RAM [ 229.418232] 0 pages HighMem/MovableOnly [ 229.440788] 315630 pages reserved [ 229.444242] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 229.460715] [ 191] 0 191 5385 186 17 3 0 -1000 udevd [ 229.469474] [ 299] 0 299 5384 184 15 3 0 -1000 udevd [ 229.501468] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 229.531348] [ 1630] 0 1630 30622 167 25 3 0 0 rsyslogd [ 229.551326] [ 1684] 0 1684 4725 50 15 3 0 0 cron [ 229.560014] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 229.580054] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 229.589339] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 229.600138] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 229.608911] [ 1828] 0 1828 17821 197 39 3 0 0 sshd [ 229.618981] [ 1830] 0 1830 32811 1757 27 5 0 0 syz-execprog [ 229.629124] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 229.651352] [ 1849] 0 1849 9360 20 6 3 0 0 syz-executor4 [ 229.671400] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 229.691399] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 229.720739] [ 1853] 0 1853 9360 21 6 3 0 0 syz-executor1 [ 229.740719] [ 1854] 0 1854 9360 21 6 3 0 0 syz-executor0 [ 229.760756] [ 4651] 0 4651 9361 15 5 2 0 0 syz-executor2 [ 229.780707] [ 4652] 0 4652 9360 21 6 3 0 0 syz-executor2 [ 229.791538] [ 5217] 0 5217 9361 16 5 2 0 0 syz-executor3 [ 229.801686] [ 5218] 0 5218 9360 22 6 3 0 0 syz-executor3 [ 229.812557] [ 5224] 0 5224 5365 170 15 3 0 -1000 udevd [ 229.823963] [ 5792] 0 5792 9361 17 5 2 0 0 syz-executor5 [ 229.834955] [ 5793] 0 5793 9361 17 5 2 0 0 syz-executor5 [ 229.847458] [ 5799] 0 5794 9426 0 9 4 0 1000 syz-executor0 [ 229.858491] [ 5926] 0 5924 9426 29 9 4 0 1000 syz-executor1 [ 229.872034] [ 5953] 0 5953 9393 21 9 4 0 1000 syz-executor2 [ 229.883493] [ 5962] 0 5962 9393 22 9 4 0 1000 syz-executor3 [ 229.901999] [ 5984] 0 5984 1 1 1 1 0 -1000 blkid [ 229.922048] [ 5985] 0 5985 9361 17 4 2 0 0 syz-executor5 [ 229.941991] [ 5986] 0 5986 9393 20 9 4 0 1000 syz-executor4 [ 229.971961] Out of memory: Kill process 5924 (syz-executor1) score 999 or sacrifice child [ 229.990764] Killed process 5926 (syz-executor1) total-vm:37704kB, anon-rss:116kB, file-rss:0kB, shmem-rss:0kB [ 230.070987] oom_reaper: reaped process 5926 (syz-executor1), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 230.155759] syz-executor2 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=1000 [ 230.220065] CPU: 0 PID: 5955 Comm: syz-executor2 Not tainted 4.14.75+ #18 [ 230.227018] Call Trace: [ 230.229599] dump_stack+0xb9/0x11b [ 230.233136] dump_header+0x17d/0x7a8 [ 230.236840] ? trace_hardirqs_on_caller+0x381/0x520 [ 230.241845] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 230.246943] ? ___ratelimit+0x4f/0x3f0 [ 230.250830] oom_kill_process.cold.8+0x10/0xc88 [ 230.255494] ? lock_downgrade+0x560/0x560 [ 230.259723] ? check_preemption_disabled+0x34/0x160 [ 230.264737] out_of_memory+0x669/0xa60 [ 230.268616] ? oom_killer_disable+0x1f0/0x1f0 [ 230.273117] __alloc_pages_nodemask+0x1949/0x2300 [ 230.277965] ? retint_kernel+0x2d/0x2d [ 230.281847] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 230.286676] ? retint_kernel+0x2d/0x2d [ 230.290557] ? trace_hardirqs_on_caller+0x381/0x520 [ 230.295563] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 230.300331] ? ___might_sleep+0x168/0x270 [ 230.304480] __vmalloc_node_range+0x283/0x680 [ 230.308975] ? SyS_init_module+0x119/0x1e0 [ 230.313196] __vmalloc+0x63/0x80 [ 230.316553] ? SyS_init_module+0x119/0x1e0 [ 230.320775] SyS_init_module+0x119/0x1e0 [ 230.324828] ? load_module+0x9150/0x9150 [ 230.328902] ? do_syscall_64+0x43/0x4b0 [ 230.332870] ? load_module+0x9150/0x9150 [ 230.336951] do_syscall_64+0x19b/0x4b0 [ 230.340837] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 230.346015] RIP: 0033:0x457519 [ 230.349189] RSP: 002b:00007f38c0563c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000af [ 230.356895] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457519 [ 230.364167] RDX: 00000000200000c0 RSI: 00000000fffffc2f RDI: 0000000020000140 [ 230.371427] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 230.378686] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f38c05646d4 [ 230.385947] R13: 00000000004bdd3a R14: 00000000004ce230 R15: 00000000ffffffff [ 230.870867] Mem-Info: [ 230.888717] active_anon:4911 inactive_anon:39 isolated_anon:0 [ 230.888717] active_file:754 inactive_file:559 isolated_file:0 [ 230.888717] unevictable:0 dirty:0 writeback:0 unstable:0 [ 230.888717] slab_reclaimable:7021 slab_unreclaimable:55710 [ 230.888717] mapped:752 shmem:48 pagetables:368 bounce:0 [ 230.888717] free:12936 free_pcp:366 free_cma:0 [ 231.031900] Node 0 active_anon:19844kB inactive_anon:156kB active_file:2724kB inactive_file:1748kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:3408kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 231.138638] DMA32 free:31092kB min:4792kB low:7868kB high:10944kB active_anon:268kB inactive_anon:12kB active_file:236kB inactive_file:4kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:192kB pagetables:120kB bounce:0kB free_pcp:620kB local_pcp:0kB free_cma:0kB [ 231.251455] lowmem_reserve[]: 0 3437 3437 [ 231.269720] Normal free:20500kB min:5480kB low:9000kB high:12520kB active_anon:19316kB inactive_anon:152kB active_file:904kB inactive_file:1808kB unevictable:0kB writepending:0kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2912kB pagetables:1348kB bounce:0kB free_pcp:776kB local_pcp:724kB free_cma:0kB [ 231.421911] lowmem_reserve[]: 0 0 0 [ 231.437752] DMA32: 36*4kB (ME) 59*8kB (ME) 44*16kB (UME) 22*32kB (UME) 14*64kB (M) 4*128kB (M) 2*256kB (UM) 3*512kB (M) 3*1024kB (U) 3*2048kB (M) 1*4096kB (U) = 18792kB [ 231.507636] Normal: 54*4kB (ME) 49*8kB (ME) 19*16kB (ME) 147*32kB (UE) 59*64kB (UM) 1*128kB (U) 14*256kB (UM) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13104kB [ 231.571755] 702 total pagecache pages [ 231.586395] 0 pages in swap cache [ 231.602070] Swap cache stats: add 0, delete 0, find 0/0 [ 231.623867] Free swap = 0kB [ 231.635747] Total swap = 0kB [ 231.645398] 1965979 pages RAM [ 231.670197] 0 pages HighMem/MovableOnly [ 231.674185] 315630 pages reserved [ 231.677626] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 231.720649] [ 191] 0 191 5385 185 17 3 0 -1000 udevd [ 231.729431] [ 299] 0 299 5384 198 15 3 0 -1000 udevd [ 231.749307] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 231.790066] [ 1630] 0 1630 30622 167 25 3 0 0 rsyslogd [ 231.799113] [ 1684] 0 1684 4725 50 15 3 0 0 cron [ 231.881241] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 231.929906] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 231.973439] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 232.010056] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 232.035160] [ 1828] 0 1828 17821 197 39 3 0 0 sshd [ 232.080093] [ 1830] 0 1830 32811 1757 27 5 0 0 syz-execprog [ 232.089543] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 232.170065] [ 1849] 0 1849 9360 20 6 3 0 0 syz-executor4 [ 232.179646] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 232.208104] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 232.266034] [ 1853] 0 1853 9360 21 6 3 0 0 syz-executor1 [ 232.320054] [ 1854] 0 1854 9360 21 6 3 0 0 syz-executor0 [ 232.329529] [ 4651] 0 4651 9361 15 5 2 0 0 syz-executor2 [ 232.380279] [ 4652] 0 4652 9360 21 6 3 0 0 syz-executor2 [ 232.389752] [ 5217] 0 5217 9361 16 5 2 0 0 syz-executor3 [ 232.450106] [ 5218] 0 5218 9360 22 6 3 0 0 syz-executor3 [ 232.459585] [ 5224] 0 5224 5365 170 15 3 0 -1000 udevd [ 232.572423] [ 5792] 0 5792 9361 17 5 2 0 0 syz-executor5 [ 232.592148] [ 5793] 0 5793 9361 17 5 2 0 0 syz-executor5 [ 232.647769] [ 5799] 0 5794 9426 0 9 4 0 1000 syz-executor0 [ 232.680099] [ 5926] 0 5924 9426 0 9 4 0 1000 syz-executor1 [ 232.689612] [ 5955] 0 5953 9426 29 9 4 0 1000 syz-executor2 [ 232.720098] [ 5963] 0 5962 9426 30 9 4 0 1000 syz-executor3 [ 232.729578] [ 5987] 0 5986 9426 28 9 4 0 1000 syz-executor4 [ 232.773615] [ 6002] 0 6002 1050 17 7 3 0 0 sh [ 232.832421] [ 6003] 0 6003 2135 23 10 4 0 0 ip [ 232.868246] Out of memory: Kill process 5962 (syz-executor3) score 999 or sacrifice child [ 232.911586] Killed process 5963 (syz-executor3) total-vm:37704kB, anon-rss:120kB, file-rss:0kB, shmem-rss:0kB [ 232.949867] oom_reaper: reaped process 5963 (syz-executor3), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 233.113700] oom_reaper: reaped process 5988 (syz-executor2), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 233.241995] sh invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 233.295732] CPU: 1 PID: 6010 Comm: sh Not tainted 4.14.75+ #18 [ 233.301723] Call Trace: [ 233.304303] dump_stack+0xb9/0x11b [ 233.307839] dump_header+0x17d/0x7a8 [ 233.311547] ? trace_hardirqs_on_caller+0x381/0x520 [ 233.316559] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 233.321651] ? ___ratelimit+0x4f/0x3f0 [ 233.325542] oom_kill_process.cold.8+0x10/0xc88 [ 233.330205] ? lock_downgrade+0x560/0x560 [ 233.334347] ? check_preemption_disabled+0x34/0x160 [ 233.339365] out_of_memory+0x669/0xa60 [ 233.343247] ? oom_killer_disable+0x1f0/0x1f0 [ 233.347747] __alloc_pages_nodemask+0x1949/0x2300 [ 233.352604] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 233.357445] ? find_get_entry+0x118/0x550 [ 233.361601] ? __radix_tree_lookup+0x220/0x220 [ 233.366184] ? check_preemption_disabled+0x34/0x160 [ 233.371195] ? find_get_entry+0x13f/0x550 [ 233.375344] ? pagecache_get_page+0x129/0x770 [ 233.379832] filemap_fault+0xcdd/0x14a0 [ 233.383817] ext4_filemap_fault+0x7d/0xb0 [ 233.387955] __do_fault+0x80/0x210 [ 233.391490] __handle_mm_fault+0xe04/0x23a0 [ 233.395813] ? vm_insert_page+0x6d0/0x6d0 [ 233.399947] ? debug_object_activate+0x4e0/0x4e0 [ 233.404784] ? putname+0xcf/0x100 [ 233.408241] ? check_preemption_disabled+0x34/0x160 [ 233.413258] handle_mm_fault+0x2f2/0x6eb [ 233.417312] __do_page_fault+0x45d/0xb60 [ 233.421373] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 233.426731] ? bad_area_access_error+0x330/0x330 [ 233.431477] ? page_fault+0x2c/0x50 [ 233.435091] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 233.439925] ? page_fault+0x2c/0x50 [ 233.443543] page_fault+0x42/0x50 [ 233.446985] RIP: f195d040: (null) [ 233.451208] RSP: 400f40:0000000000000001 EFLAGS: 7fa0f195e090 [ 233.924150] Mem-Info: [ 233.939843] active_anon:4862 inactive_anon:41 isolated_anon:0 [ 233.939843] active_file:17 inactive_file:10 isolated_file:0 [ 233.939843] unevictable:0 dirty:0 writeback:5 unstable:0 [ 233.939843] slab_reclaimable:6988 slab_unreclaimable:55736 [ 233.939843] mapped:0 shmem:48 pagetables:368 bounce:0 [ 233.939843] free:4561 free_pcp:0 free_cma:0 [ 234.036130] Node 0 active_anon:19448kB inactive_anon:164kB active_file:180kB inactive_file:316kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:360kB dirty:0kB writeback:20kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 234.100072] DMA32 free:17576kB min:4792kB low:7868kB high:10944kB active_anon:180kB inactive_anon:12kB active_file:48kB inactive_file:44kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:160kB pagetables:140kB bounce:0kB free_pcp:624kB local_pcp:0kB free_cma:0kB [ 234.220082] lowmem_reserve[]: 0 3437 3437 [ 234.224898] Normal free:5344kB min:5480kB low:9000kB high:12520kB active_anon:19272kB inactive_anon:152kB active_file:60kB inactive_file:608kB unevictable:0kB writepending:16kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2880kB pagetables:1332kB bounce:0kB free_pcp:216kB local_pcp:48kB free_cma:0kB [ 234.350611] lowmem_reserve[]: 0 0 0 [ 234.354800] DMA32: 37*4kB (UM) 32*8kB (UME) 29*16kB (UM) 63*32kB (UME) 12*64kB (UM) 10*128kB (UM) 4*256kB (UM) 3*512kB (M) 2*1024kB (U) 4*2048kB (UM) 0*4096kB = 17732kB [ 234.401652] Normal: 79*4kB (UME) 53*8kB (UME) 22*16kB (ME) 6*32kB (ME) 2*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 2436kB [ 234.450050] 98 total pagecache pages [ 234.463629] 0 pages in swap cache [ 234.467110] Swap cache stats: add 0, delete 0, find 0/0 [ 234.483840] Free swap = 0kB [ 234.504812] Total swap = 0kB [ 234.510668] 1965979 pages RAM [ 234.515506] 0 pages HighMem/MovableOnly [ 234.519474] 315630 pages reserved [ 234.570047] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 234.578780] [ 191] 0 191 5385 185 17 3 0 -1000 udevd [ 234.630076] [ 299] 0 299 5384 184 15 3 0 -1000 udevd [ 234.638862] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 234.720059] [ 1630] 0 1630 30622 168 25 3 0 0 rsyslogd [ 234.729106] [ 1684] 0 1684 4725 50 15 3 0 0 cron [ 234.795405] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 234.828372] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 234.863776] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 234.898899] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 234.937378] [ 1828] 0 1828 17821 197 39 3 0 0 sshd [ 234.960291] [ 1830] 0 1830 32811 1757 27 5 0 0 syz-execprog [ 234.969659] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 235.020050] [ 1849] 0 1849 9360 20 6 3 0 0 syz-executor4 [ 235.029512] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 235.070074] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 235.079531] [ 1853] 0 1853 9360 21 6 3 0 0 syz-executor1 [ 235.142456] [ 1854] 0 1854 9360 21 6 3 0 0 syz-executor0 [ 235.195150] [ 4651] 0 4651 9361 15 5 2 0 0 syz-executor2 [ 235.250084] [ 4652] 0 4652 9360 21 6 3 0 0 syz-executor2 [ 235.259569] [ 5217] 0 5217 9361 16 5 2 0 0 syz-executor3 [ 235.304512] [ 5218] 0 5218 9360 22 6 3 0 0 syz-executor3 [ 235.352674] [ 5224] 0 5224 5365 170 15 3 0 -1000 udevd [ 235.382575] [ 5792] 0 5792 9361 17 5 2 0 0 syz-executor5 [ 235.404654] [ 5793] 0 5793 9361 17 5 2 0 0 syz-executor5 [ 235.440055] [ 5955] 0 5953 9426 0 9 4 0 1000 syz-executor2 [ 235.500061] [ 5963] 0 5962 9426 0 9 4 0 1000 syz-executor3 [ 235.509653] [ 5987] 0 5986 9426 28 9 4 0 1000 syz-executor4 [ 235.570060] [ 6010] 0 6010 105 1 5 3 0 0 sh [ 235.578609] Out of memory: Kill process 5986 (syz-executor4) score 999 or sacrifice child [ 235.650075] Killed process 5987 (syz-executor4) total-vm:37704kB, anon-rss:112kB, file-rss:0kB, shmem-rss:0kB [ 235.731008] oom_reaper: reaped process 5987 (syz-executor4), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB 2018/10/11 19:02:46 executed programs: 66 [ 236.980708] oom_reaper: reaped process 6015 (syz-executor0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 237.050321] oom_reaper: reaped process 6028 (syz-executor1), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 237.189135] modprobe invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 237.270214] CPU: 1 PID: 6027 Comm: modprobe Not tainted 4.14.75+ #18 [ 237.276732] Call Trace: [ 237.279325] dump_stack+0xb9/0x11b [ 237.282868] dump_header+0x17d/0x7a8 [ 237.286580] ? trace_hardirqs_on_caller+0x381/0x520 [ 237.291603] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 237.296697] ? ___ratelimit+0x4f/0x3f0 [ 237.300584] oom_kill_process.cold.8+0x10/0xc88 [ 237.305249] ? lock_downgrade+0x560/0x560 [ 237.309398] ? check_preemption_disabled+0x34/0x160 [ 237.314438] out_of_memory+0x669/0xa60 [ 237.318324] ? oom_killer_disable+0x1f0/0x1f0 [ 237.322822] __alloc_pages_nodemask+0x1949/0x2300 [ 237.327678] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 237.332513] ? find_get_entry+0x118/0x550 [ 237.336653] ? __radix_tree_lookup+0x220/0x220 [ 237.341229] ? check_preemption_disabled+0x34/0x160 [ 237.346241] ? find_get_entry+0x13f/0x550 [ 237.350391] ? pagecache_get_page+0x129/0x770 [ 237.354897] filemap_fault+0xcdd/0x14a0 [ 237.358899] ext4_filemap_fault+0x7d/0xb0 [ 237.363038] __do_fault+0x80/0x210 [ 237.366571] __handle_mm_fault+0xe04/0x23a0 [ 237.370896] ? vm_insert_page+0x6d0/0x6d0 [ 237.375038] ? dput.part.6+0x13a/0x710 [ 237.378941] ? check_preemption_disabled+0x34/0x160 [ 237.383955] handle_mm_fault+0x2f2/0x6eb [ 237.388010] __do_page_fault+0x45d/0xb60 [ 237.392065] ? retint_user+0x18/0x18 [ 237.395766] ? bad_area_access_error+0x330/0x330 [ 237.400507] ? page_fault+0x2c/0x50 [ 237.404118] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 237.408952] ? page_fault+0x2c/0x50 [ 237.412568] page_fault+0x42/0x50 [ 237.416009] RIP: 545d0440:0x7fd861eeb33d [ 237.420056] RSP: 545d02d0:00007ffe545d02c0 EFLAGS: fbad8001 [ 237.875567] Mem-Info: [ 237.900395] active_anon:4922 inactive_anon:41 isolated_anon:0 [ 237.900395] active_file:54 inactive_file:199 isolated_file:0 [ 237.900395] unevictable:0 dirty:0 writeback:0 unstable:0 [ 237.900395] slab_reclaimable:6996 slab_unreclaimable:55630 [ 237.900395] mapped:183 shmem:48 pagetables:381 bounce:0 [ 237.900395] free:17687 free_pcp:212 free_cma:0 [ 238.032715] Node 0 active_anon:19688kB inactive_anon:164kB active_file:160kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:132kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 238.113443] DMA32 free:16036kB min:4792kB low:7868kB high:10944kB active_anon:332kB inactive_anon:16kB active_file:40kB inactive_file:28kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:192kB pagetables:148kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 238.210070] lowmem_reserve[]: 0 3437 3437 [ 238.214276] Normal free:2660kB min:5480kB low:9000kB high:12520kB active_anon:19356kB inactive_anon:148kB active_file:32kB inactive_file:40kB unevictable:0kB writepending:12kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2880kB pagetables:1376kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 238.330045] lowmem_reserve[]: 0 0 0 [ 238.333707] DMA32: 67*4kB (UME) 57*8kB (M) 43*16kB (ME) 35*32kB (ME) 21*64kB (ME) 13*128kB (UME) 7*256kB (ME) 3*512kB (UM) 3*1024kB (ME) 2*2048kB (ME) 0*4096kB = 16036kB [ 238.400802] Normal: 47*4kB (UME) 49*8kB (UE) 44*16kB (UME) 17*32kB (UME) 7*64kB (UM) 1*128kB (U) 1*256kB (M) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 2660kB [ 238.440802] 83 total pagecache pages [ 238.444533] 0 pages in swap cache [ 238.447976] Swap cache stats: add 0, delete 0, find 0/0 [ 238.510083] Free swap = 0kB [ 238.513101] Total swap = 0kB [ 238.516107] 1965979 pages RAM [ 238.519198] 0 pages HighMem/MovableOnly [ 238.550045] 315630 pages reserved [ 238.553503] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 238.590114] [ 191] 0 191 5385 185 17 3 0 -1000 udevd [ 238.598876] [ 299] 0 299 5384 184 15 3 0 -1000 udevd [ 238.640796] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 238.649811] [ 1630] 0 1630 30622 168 25 3 0 0 rsyslogd [ 238.720049] [ 1684] 0 1684 4725 50 15 3 0 0 cron [ 238.728728] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 238.800726] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 238.850050] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 238.858726] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 238.912974] [ 1828] 0 1828 17821 197 39 3 0 0 sshd [ 238.960045] [ 1830] 0 1830 32811 1757 27 5 0 0 syz-execprog [ 238.969413] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 239.040089] [ 1849] 0 1849 9360 20 6 3 0 0 syz-executor4 [ 239.049562] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 239.100053] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 239.109526] [ 1853] 0 1853 9360 21 6 3 0 0 syz-executor1 [ 239.160049] [ 1854] 0 1854 9360 53 6 3 0 0 syz-executor0 [ 239.169509] [ 4651] 0 4651 9361 15 5 2 0 0 syz-executor2 [ 239.230050] [ 4652] 0 4652 9360 21 6 3 0 0 syz-executor2 [ 239.239512] [ 5217] 0 5217 9361 16 5 2 0 0 syz-executor3 [ 239.310073] [ 5218] 0 5218 9360 22 6 3 0 0 syz-executor3 [ 239.319555] [ 5224] 0 5224 5365 170 15 3 0 -1000 udevd [ 239.380052] [ 5792] 0 5792 9361 17 5 2 0 0 syz-executor5 [ 239.389522] [ 5793] 0 5793 9361 17 5 2 0 0 syz-executor5 [ 239.460064] [ 5987] 0 5986 9426 0 9 4 0 1000 syz-executor4 [ 239.469541] [ 6016] 0 6011 9426 0 9 4 0 1000 syz-executor1 [ 239.520062] [ 6026] 0 6012 9426 0 9 4 0 1000 syz-executor0 [ 239.529517] [ 6024] 0 6024 1050 18 8 3 0 0 sh [ 239.580049] [ 6025] 0 6025 2135 22 10 3 0 0 ip [ 239.588561] [ 6027] 0 6027 1576 29 9 3 0 0 modprobe [ 239.620082] Out of memory: Kill process 1830 (syz-execprog) score 1 or sacrifice child [ 239.628199] Killed process 5792 (syz-executor5) total-vm:37444kB, anon-rss:68kB, file-rss:0kB, shmem-rss:0kB 2018/10/11 19:02:50 result: failed=false hanged=false err=executor 5: EOF 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" [ 242.428327] oom_reaper: reaped process 6048 (syz-executor0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 242.443554] syz-executor0 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=1000 [ 242.457524] CPU: 0 PID: 6048 Comm: syz-executor0 Not tainted 4.14.75+ #18 [ 242.464429] Call Trace: [ 242.466993] dump_stack+0xb9/0x11b [ 242.470509] dump_header+0x17d/0x7a8 [ 242.474197] ? trace_hardirqs_on_caller+0x381/0x520 [ 242.479185] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 242.484265] ? ___ratelimit+0x4f/0x3f0 [ 242.488145] oom_kill_process.cold.8+0x10/0xc88 [ 242.492791] ? lock_downgrade+0x560/0x560 [ 242.496923] ? check_preemption_disabled+0x34/0x160 [ 242.501921] out_of_memory+0x669/0xa60 [ 242.505785] ? oom_killer_disable+0x1f0/0x1f0 [ 242.510273] __alloc_pages_nodemask+0x1949/0x2300 [ 242.515117] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 242.519937] ? trace_hardirqs_on_caller+0x381/0x520 [ 242.524965] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 242.529712] __vmalloc_node_range+0x283/0x680 [ 242.534190] ? SyS_init_module+0x119/0x1e0 [ 242.538396] __vmalloc+0x63/0x80 [ 242.541739] ? SyS_init_module+0x119/0x1e0 [ 242.545948] SyS_init_module+0x119/0x1e0 [ 242.549983] ? load_module+0x9150/0x9150 [ 242.554027] ? do_syscall_64+0x43/0x4b0 [ 242.557975] ? load_module+0x9150/0x9150 [ 242.562009] do_syscall_64+0x19b/0x4b0 [ 242.565878] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 242.571048] RIP: 0033:0x457519 [ 242.574213] RSP: 002b:00007fb266c10c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000af [ 242.581900] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457519 [ 242.589147] RDX: 00000000200000c0 RSI: 00000000fffffc2f RDI: 0000000020000140 [ 242.596405] RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 242.603668] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb266c116d4 [ 242.610913] R13: 00000000004bdd3a R14: 00000000004ce230 R15: 00000000ffffffff [ 242.622092] Mem-Info: [ 242.624522] active_anon:4915 inactive_anon:41 isolated_anon:0 [ 242.624522] active_file:30 inactive_file:15 isolated_file:0 [ 242.624522] unevictable:0 dirty:0 writeback:6 unstable:0 [ 242.624522] slab_reclaimable:6914 slab_unreclaimable:55567 [ 242.624522] mapped:7 shmem:48 pagetables:359 bounce:0 [ 242.624522] free:4669 free_pcp:0 free_cma:0 [ 242.669731] Node 0 active_anon:19660kB inactive_anon:164kB active_file:52kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:28kB dirty:0kB writeback:24kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 242.694171] DMA32 free:16024kB min:4792kB low:7868kB high:10944kB active_anon:128kB inactive_anon:4kB active_file:48kB inactive_file:0kB unevictable:0kB writepending:4kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:96kB pagetables:44kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 242.723289] lowmem_reserve[]: 0 3437 3437 [ 242.727465] Normal free:2652kB min:5480kB low:9000kB high:12520kB active_anon:19532kB inactive_anon:160kB active_file:48kB inactive_file:156kB unevictable:0kB writepending:20kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2944kB pagetables:1392kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 242.758107] lowmem_reserve[]: 0 0 0 [ 242.761777] DMA32: 38*4kB (UME) 37*8kB (UME) 25*16kB (ME) 26*32kB (ME) 14*64kB (UME) 12*128kB (UME) 7*256kB (ME) 6*512kB (ME) 3*1024kB (ME) 2*2048kB (ME) 0*4096kB = 16144kB [ 242.779613] Normal: 63*4kB (UE) 75*8kB (UME) 40*16kB (UE) 20*32kB (UME) 8*64kB (UM) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 2772kB [ 242.795262] 86 total pagecache pages [ 242.798981] 0 pages in swap cache [ 242.802446] Swap cache stats: add 0, delete 0, find 0/0 [ 242.807799] Free swap = 0kB [ 242.813100] Total swap = 0kB [ 242.816121] 1965979 pages RAM [ 242.819210] 0 pages HighMem/MovableOnly [ 242.823195] 315630 pages reserved [ 242.826634] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 242.837563] [ 191] 0 191 5385 186 17 3 0 -1000 udevd [ 242.846346] [ 299] 0 299 5384 184 15 3 0 -1000 udevd [ 242.857279] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 242.866321] [ 1630] 0 1630 30622 168 25 3 0 0 rsyslogd [ 242.877477] [ 1684] 0 1684 4725 50 15 3 0 0 cron [ 242.886794] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 242.898162] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 242.907491] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 242.918465] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 242.927249] [ 1828] 0 1828 17821 197 39 3 0 0 sshd [ 242.938074] [ 1830] 0 1830 32811 1757 27 5 0 0 syz-execprog [ 242.947476] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 242.959118] [ 1849] 0 1849 9360 20 6 3 0 0 syz-executor4 [ 242.968615] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 242.980417] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 242.989867] [ 1853] 0 1853 9360 21 6 3 0 0 syz-executor1 [ 243.001447] [ 1854] 0 1854 9360 21 6 3 0 0 syz-executor0 [ 243.011667] [ 4651] 0 4651 9361 15 5 2 0 0 syz-executor2 [ 243.023375] [ 4652] 0 4652 9360 21 6 3 0 0 syz-executor2 [ 243.032852] [ 5217] 0 5217 9361 16 5 2 0 0 syz-executor3 [ 243.044759] [ 5218] 0 5218 9360 22 6 3 0 0 syz-executor3 [ 243.054246] [ 5224] 0 5224 5365 170 15 3 0 -1000 udevd [ 243.065215] [ 6034] 0 6032 9426 29 9 4 0 1000 syz-executor2 [ 243.074695] [ 6035] 0 6033 9426 30 9 4 0 1000 syz-executor3 [ 243.086356] [ 6036] 0 6036 9361 15 5 2 0 0 syz-executor5 [ 243.095878] [ 6037] 0 6037 9361 15 5 2 0 0 syz-executor5 [ 243.107716] [ 6040] 0 6039 9426 29 9 4 0 1000 syz-executor1 [ 243.117222] [ 6043] 0 6042 9426 0 9 4 0 1000 syz-executor0 [ 243.128877] [ 6064] 0 6064 9361 15 5 2 0 0 syz-executor5 [ 243.138396] Out of memory: Kill process 6033 (syz-executor3) score 999 or sacrifice child [ 243.149647] Killed process 6035 (syz-executor3) total-vm:37704kB, anon-rss:120kB, file-rss:0kB, shmem-rss:0kB [ 243.159916] oom_reaper: reaped process 6035 (syz-executor3), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 243.206782] syz-executor3 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=1000 [ 243.272184] CPU: 1 PID: 6035 Comm: syz-executor3 Not tainted 4.14.75+ #18 [ 243.279124] Call Trace: [ 243.281711] dump_stack+0xb9/0x11b [ 243.285252] dump_header+0x17d/0x7a8 [ 243.288955] ? trace_hardirqs_on_caller+0x381/0x520 [ 243.293960] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 243.299054] ? ___ratelimit+0x4f/0x3f0 [ 243.302940] oom_kill_process.cold.8+0x10/0xc88 [ 243.307601] ? lock_downgrade+0x560/0x560 [ 243.311748] ? check_preemption_disabled+0x34/0x160 [ 243.316760] out_of_memory+0x669/0xa60 [ 243.320641] ? oom_killer_disable+0x1f0/0x1f0 [ 243.325142] __alloc_pages_nodemask+0x1949/0x2300 [ 243.329997] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 243.334833] ? retint_kernel+0x2d/0x2d [ 243.338716] ? trace_hardirqs_on_caller+0x381/0x520 [ 243.343723] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 243.348495] ? ___might_sleep+0x67/0x270 [ 243.352567] __vmalloc_node_range+0x283/0x680 [ 243.357094] ? SyS_init_module+0x119/0x1e0 [ 243.361323] __vmalloc+0x63/0x80 [ 243.364686] ? SyS_init_module+0x119/0x1e0 [ 243.368918] SyS_init_module+0x119/0x1e0 [ 243.372971] ? load_module+0x9150/0x9150 [ 243.377046] ? do_syscall_64+0x43/0x4b0 [ 243.381024] ? load_module+0x9150/0x9150 [ 243.385078] do_syscall_64+0x19b/0x4b0 [ 243.388966] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 243.394143] RIP: 0033:0x457519 [ 243.397338] RSP: 002b:00007fa933b3bc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000af [ 243.405080] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457519 [ 243.412338] RDX: 00000000200000c0 RSI: 00000000fffffc2f RDI: 0000000020000140 [ 243.419632] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 243.426909] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa933b3c6d4 [ 243.434170] R13: 00000000004bdd3a R14: 00000000004ce230 R15: 00000000ffffffff [ 243.630043] Mem-Info: [ 243.632499] active_anon:4896 inactive_anon:41 isolated_anon:0 [ 243.632499] active_file:13 inactive_file:3 isolated_file:0 [ 243.632499] unevictable:0 dirty:0 writeback:0 unstable:0 [ 243.632499] slab_reclaimable:6914 slab_unreclaimable:55567 [ 243.632499] mapped:2 shmem:48 pagetables:359 bounce:0 [ 243.632499] free:4698 free_pcp:49 free_cma:0 [ 243.702120] Node 0 active_anon:19584kB inactive_anon:164kB active_file:132kB inactive_file:8kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 243.750084] DMA32 free:16144kB min:4792kB low:7868kB high:10944kB active_anon:112kB inactive_anon:4kB active_file:0kB inactive_file:24kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:96kB pagetables:44kB bounce:0kB free_pcp:12kB local_pcp:12kB free_cma:0kB [ 243.821190] lowmem_reserve[]: 0 3437 3437 [ 243.829982] Normal free:46820kB min:5480kB low:9000kB high:12520kB active_anon:19472kB inactive_anon:160kB active_file:600kB inactive_file:984kB unevictable:0kB writepending:0kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2944kB pagetables:1392kB bounce:0kB free_pcp:868kB local_pcp:680kB free_cma:0kB [ 243.930638] lowmem_reserve[]: 0 0 0 [ 243.935120] DMA32: 37*4kB (UME) 37*8kB (UME) 24*16kB (ME) 27*32kB (UME) 15*64kB (UME) 12*128kB (UME) 7*256kB (ME) 6*512kB (ME) 3*1024kB (ME) 2*2048kB (ME) 0*4096kB = 16220kB [ 243.951249] Normal: 292*4kB (UE) 240*8kB (UME) 199*16kB (UE) 303*32kB (UE) 288*64kB (U) 104*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 47712kB [ 243.965474] 1064 total pagecache pages [ 243.969867] 0 pages in swap cache [ 243.973749] Swap cache stats: add 0, delete 0, find 0/0 2018/10/11 19:02:54 executed programs: 73 [ 243.980570] Free swap = 0kB [ 243.983656] Total swap = 0kB [ 243.987390] 1965979 pages RAM [ 244.003274] 0 pages HighMem/MovableOnly [ 244.013004] 315630 pages reserved [ 244.047061] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 244.091412] [ 191] 0 191 5385 185 17 3 0 -1000 udevd [ 244.133373] [ 299] 0 299 5384 183 15 3 0 -1000 udevd [ 244.156674] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 244.179940] [ 1630] 0 1630 30622 168 25 3 0 0 rsyslogd [ 244.200100] [ 1684] 0 1684 4725 50 15 3 0 0 cron [ 244.227615] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 244.255544] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 244.301607] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 244.319834] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 244.338796] [ 1828] 0 1828 17821 197 39 3 0 0 sshd [ 244.356745] [ 1830] 0 1830 32811 1757 27 5 0 0 syz-execprog [ 244.376221] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 244.395764] [ 1849] 0 1849 9360 20 6 3 0 0 syz-executor4 [ 244.474140] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 244.495492] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 244.515113] [ 1853] 0 1853 9360 21 6 3 0 0 syz-executor1 [ 244.534676] [ 1854] 0 1854 9360 21 6 3 0 0 syz-executor0 [ 244.555314] [ 4651] 0 4651 9361 15 5 2 0 0 syz-executor2 [ 244.574786] [ 4652] 0 4652 9360 21 6 3 0 0 syz-executor2 [ 244.690054] [ 5217] 0 5217 9361 16 5 2 0 0 syz-executor3 [ 244.699541] [ 5218] 0 5218 9360 22 6 3 0 0 syz-executor3 [ 244.740056] [ 5224] 0 5224 5365 170 15 3 0 -1000 udevd [ 244.748938] [ 6034] 0 6032 9426 29 9 4 0 1000 syz-executor2 [ 244.830067] [ 6035] 0 6033 9426 0 9 4 0 1000 syz-executor3 [ 244.839552] [ 6036] 0 6036 9361 15 5 2 0 0 syz-executor5 [ 244.890079] [ 6037] 0 6037 9361 15 5 2 0 0 syz-executor5 [ 244.899594] [ 6040] 0 6039 9426 29 9 4 0 1000 syz-executor1 [ 244.956143] [ 6043] 0 6042 9426 0 9 4 0 1000 syz-executor0 [ 244.999898] [ 6065] 0 6065 9393 20 9 4 0 1000 syz-executor4 [ 245.020052] [ 6070] 0 6070 1050 18 8 3 0 0 sh [ 245.028634] [ 6071] 0 6071 1050 25 8 3 0 0 sh [ 245.060091] Out of memory: Kill process 6032 (syz-executor2) score 999 or sacrifice child [ 245.086946] Killed process 6034 (syz-executor2) total-vm:37704kB, anon-rss:116kB, file-rss:0kB, shmem-rss:0kB [ 245.109765] oom_reaper: reaped process 6034 (syz-executor2), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 245.210226] oom_reaper: reaped process 6046 (syz-executor1), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 245.483687] syz-executor0 invoked oom-killer: gfp_mask=0x14082c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN|__GFP_ZERO), nodemask=(null), order=0, oom_score_adj=1000 [ 245.548877] CPU: 0 PID: 6077 Comm: syz-executor0 Not tainted 4.14.75+ #18 [ 245.555862] Call Trace: [ 245.558453] dump_stack+0xb9/0x11b [ 245.561992] dump_header+0x17d/0x7a8 [ 245.565702] ? trace_hardirqs_on_caller+0x381/0x520 [ 245.570706] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 245.575797] ? ___ratelimit+0x4f/0x3f0 [ 245.579678] oom_kill_process.cold.8+0x10/0xc88 [ 245.584339] ? lock_downgrade+0x560/0x560 [ 245.588483] ? check_preemption_disabled+0x34/0x160 [ 245.593526] out_of_memory+0x669/0xa60 [ 245.597419] ? oom_killer_disable+0x1f0/0x1f0 [ 245.601948] __alloc_pages_nodemask+0x1949/0x2300 [ 245.606802] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 245.611637] ? alloc_vmap_area.isra.8+0x7f0/0x7f0 [ 245.616481] ? map_vm_area+0xa4/0xd0 [ 245.620207] __vmalloc_node_range+0x283/0x680 [ 245.624706] __vmalloc_node_range+0x4f0/0x680 [ 245.629190] ? SyS_init_module+0x119/0x1e0 [ 245.633425] ? SyS_init_module+0x119/0x1e0 [ 245.637649] __vmalloc+0x63/0x80 [ 245.641004] ? SyS_init_module+0x119/0x1e0 [ 245.645232] SyS_init_module+0x119/0x1e0 [ 245.649286] ? load_module+0x9150/0x9150 [ 245.653354] ? do_syscall_64+0x43/0x4b0 [ 245.657321] ? load_module+0x9150/0x9150 [ 245.661376] do_syscall_64+0x19b/0x4b0 [ 245.665262] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 245.670442] RIP: 0033:0x457519 [ 245.673622] RSP: 002b:00007fb266c31c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000af [ 245.681324] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457519 [ 245.688601] RDX: 00000000200000c0 RSI: 00000000fffffc2f RDI: 0000000020000140 [ 245.695860] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 245.703127] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb266c326d4 [ 245.710387] R13: 00000000004bdd3a R14: 00000000004ce230 R15: 00000000ffffffff [ 245.836288] Mem-Info: [ 245.838749] active_anon:4899 inactive_anon:41 isolated_anon:0 [ 245.838749] active_file:30 inactive_file:6 isolated_file:17 [ 245.838749] unevictable:0 dirty:0 writeback:0 unstable:0 [ 245.838749] slab_reclaimable:6856 slab_unreclaimable:55576 [ 245.838749] mapped:10 shmem:48 pagetables:374 bounce:0 [ 245.838749] free:57259 free_pcp:402 free_cma:0 [ 245.900066] Node 0 active_anon:19596kB inactive_anon:164kB active_file:120kB inactive_file:24kB unevictable:0kB isolated(anon):0kB isolated(file):68kB mapped:40kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 245.970107] DMA32 free:15984kB min:4792kB low:7868kB high:10944kB active_anon:272kB inactive_anon:8kB active_file:264kB inactive_file:536kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:224kB pagetables:88kB bounce:0kB free_pcp:360kB local_pcp:124kB free_cma:0kB [ 246.020639] lowmem_reserve[]: 0 3437 3437 [ 246.024827] Normal free:2712kB min:5480kB low:9000kB high:12520kB active_anon:19324kB inactive_anon:156kB active_file:328kB inactive_file:200kB unevictable:0kB writepending:0kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2912kB pagetables:1408kB bounce:0kB free_pcp:280kB local_pcp:160kB free_cma:0kB [ 246.090065] lowmem_reserve[]: 0 0 0 [ 246.093739] DMA32: 48*4kB (UME) 44*8kB (ME) 41*16kB (UME) 31*32kB (UME) 18*64kB (M) 8*128kB (M) 3*256kB (M) 7*512kB (UM) 3*1024kB (UM) 2*2048kB (UM) 0*4096kB = 15888kB [ 246.133634] Normal: 55*4kB (UME) 49*8kB (ME) 18*16kB (UE) 8*32kB (UME) 1*64kB (M) 1*128kB (U) 4*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 2372kB [ 246.172307] 98 total pagecache pages [ 246.176033] 0 pages in swap cache [ 246.179502] Swap cache stats: add 0, delete 0, find 0/0 [ 246.214723] Free swap = 0kB [ 246.217761] Total swap = 0kB [ 246.240822] 1965979 pages RAM [ 246.243937] 0 pages HighMem/MovableOnly [ 246.247898] 315630 pages reserved [ 246.280799] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 246.289482] [ 191] 0 191 5385 185 17 3 0 -1000 udevd [ 246.351610] [ 299] 0 299 5384 183 15 3 0 -1000 udevd [ 246.391620] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 246.431530] [ 1630] 0 1630 30622 169 25 3 0 0 rsyslogd [ 246.471559] [ 1684] 0 1684 4725 50 15 3 0 0 cron [ 246.503915] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 246.547832] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 246.610383] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 246.619521] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 246.644657] [ 1828] 0 1828 17821 197 39 3 0 0 sshd [ 246.664312] [ 1830] 0 1830 32811 1757 27 5 0 0 syz-execprog [ 246.705090] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 246.742488] [ 1849] 0 1849 9360 20 6 3 0 0 syz-executor4 [ 246.771707] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 246.812762] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 246.853597] [ 1853] 0 1853 9360 21 6 3 0 0 syz-executor1 [ 246.882846] [ 1854] 0 1854 9360 21 6 3 0 0 syz-executor0 [ 246.912135] [ 4651] 0 4651 9361 15 5 2 0 0 syz-executor2 [ 246.941423] [ 4652] 0 4652 9360 21 6 3 0 0 syz-executor2 [ 246.982891] [ 5217] 0 5217 9361 16 5 2 0 0 syz-executor3 [ 247.017432] [ 5218] 0 5218 9360 22 6 3 0 0 syz-executor3 [ 247.061716] [ 5224] 0 5224 5365 170 15 3 0 -1000 udevd [ 247.099542] [ 6034] 0 6032 9426 0 9 4 0 1000 syz-executor2 [ 247.137909] [ 6035] 0 6033 9426 0 9 4 0 1000 syz-executor3 [ 247.184826] [ 6036] 0 6036 9361 15 5 2 0 0 syz-executor5 [ 247.228445] [ 6037] 0 6037 9361 15 5 2 0 0 syz-executor5 [ 247.270124] [ 6040] 0 6039 9426 0 9 4 0 1000 syz-executor1 [ 247.310204] [ 6069] 0 6065 9426 28 9 4 0 1000 syz-executor4 [ 247.350114] [ 6077] 0 6076 9426 64 9 4 0 1000 syz-executor0 [ 247.390968] [ 6087] 0 6087 1050 122 8 3 0 0 sh [ 247.426926] [ 6088] 0 6088 2135 173 9 3 0 0 ip [ 247.464050] Out of memory: Kill process 6065 (syz-executor4) score 999 or sacrifice child [ 247.497841] Killed process 6069 (syz-executor4) total-vm:37704kB, anon-rss:112kB, file-rss:0kB, shmem-rss:0kB [ 247.541230] oom_reaper: reaped process 6069 (syz-executor4), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 247.732792] sh invoked oom-killer: gfp_mask=0x14280ca(GFP_HIGHUSER_MOVABLE|__GFP_ZERO), nodemask=(null), order=0, oom_score_adj=0 [ 247.790069] CPU: 0 PID: 6100 Comm: sh Not tainted 4.14.75+ #18 [ 247.796073] Call Trace: [ 247.798657] dump_stack+0xb9/0x11b [ 247.802198] dump_header+0x17d/0x7a8 [ 247.805911] ? trace_hardirqs_on_caller+0x381/0x520 [ 247.810953] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 247.816045] ? ___ratelimit+0x4f/0x3f0 [ 247.819937] oom_kill_process.cold.8+0x10/0xc88 [ 247.824597] ? lock_downgrade+0x560/0x560 [ 247.828736] ? check_preemption_disabled+0x34/0x160 [ 247.833749] out_of_memory+0x669/0xa60 [ 247.837630] ? oom_killer_disable+0x1f0/0x1f0 [ 247.842130] __alloc_pages_nodemask+0x1949/0x2300 [ 247.847400] ? __lock_acquire+0x619/0x4320 [ 247.851626] ? trace_hardirqs_on+0x10/0x10 [ 247.855865] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 247.860714] ? perf_event_mmap+0x8c/0xc30 [ 247.864853] ? cred_has_capability+0x131/0x260 [ 247.869450] ? lock_downgrade+0x560/0x560 [ 247.873586] ? lock_acquire+0x10f/0x380 [ 247.877564] ? __anon_vma_prepare+0xbe/0x370 [ 247.881977] ? up_write+0x17/0x60 [ 247.885461] __handle_mm_fault+0xf2a/0x23a0 [ 247.889785] ? vm_mmap_pgoff+0x18b/0x1d0 [ 247.893839] ? vm_insert_page+0x6d0/0x6d0 [ 247.897981] ? do_mmap+0x5ae/0xb80 [ 247.901534] ? check_preemption_disabled+0x34/0x160 [ 247.906547] handle_mm_fault+0x2f2/0x6eb [ 247.910630] __do_page_fault+0x45d/0xb60 [ 247.914701] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 247.920053] ? bad_area_access_error+0x330/0x330 [ 247.924802] ? page_fault+0x2c/0x50 [ 247.928417] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 247.933252] ? page_fault+0x2c/0x50 [ 247.936873] page_fault+0x42/0x50 [ 247.940323] RIP: 0002:0x7fec60a16bc8 [ 247.944021] RSP: 60a16c48:00007ffdb7a57160 EFLAGS: 00000000 [ 248.452289] Mem-Info: [ 248.490049] active_anon:4863 inactive_anon:41 isolated_anon:0 [ 248.490049] active_file:52 inactive_file:38 isolated_file:0 [ 248.490049] unevictable:0 dirty:13 writeback:0 unstable:0 [ 248.490049] slab_reclaimable:6841 slab_unreclaimable:55546 [ 248.490049] mapped:84 shmem:48 pagetables:369 bounce:0 [ 248.490049] free:24071 free_pcp:89 free_cma:0 [ 248.650096] Node 0 active_anon:19452kB inactive_anon:164kB active_file:208kB inactive_file:1552kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:1136kB dirty:52kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 248.744492] DMA32 free:203384kB min:4792kB low:7868kB high:10944kB active_anon:160kB inactive_anon:4kB active_file:0kB inactive_file:596kB unevictable:0kB writepending:8kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:128kB pagetables:80kB bounce:0kB free_pcp:748kB local_pcp:700kB free_cma:0kB [ 248.870055] lowmem_reserve[]: 0 3437 3437 [ 248.874266] Normal free:8992kB min:5480kB low:9000kB high:12520kB active_anon:19292kB inactive_anon:160kB active_file:172kB inactive_file:1852kB unevictable:0kB writepending:44kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2912kB pagetables:1396kB bounce:0kB free_pcp:816kB local_pcp:120kB free_cma:0kB [ 249.000054] lowmem_reserve[]: 0 0 0 [ 249.003730] DMA32: 441*4kB (UME) 775*8kB (UME) 473*16kB (UME) 2046*32kB (UME) 3086*64kB (UM) 207*128kB (UM) 36*256kB (UM) 7*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 0*4096kB = 327020kB [ 249.080056] Normal: 45*4kB (UME) 51*8kB (UME) 61*16kB (UME) 12*32kB (UME) 3*64kB (UM) 11*128kB (U) 25*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 9948kB [ 249.140056] 741 total pagecache pages [ 249.143889] 0 pages in swap cache [ 249.147340] Swap cache stats: add 0, delete 0, find 0/0 [ 249.200050] Free swap = 0kB [ 249.203091] Total swap = 0kB [ 249.206096] 1965979 pages RAM [ 249.209192] 0 pages HighMem/MovableOnly [ 249.250672] 315630 pages reserved [ 249.254146] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 249.300075] [ 191] 0 191 5385 185 17 3 0 -1000 udevd [ 249.308850] [ 299] 0 299 5384 183 15 3 0 -1000 udevd [ 249.370060] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 249.379104] [ 1630] 0 1630 30622 169 25 3 0 0 rsyslogd [ 249.430055] [ 1684] 0 1684 4725 50 15 3 0 0 cron [ 249.438746] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 249.500056] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 249.509363] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 249.580058] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 249.588840] [ 1828] 0 1828 17821 197 39 3 0 0 sshd [ 249.630057] [ 1830] 0 1830 32811 1757 27 5 0 0 syz-execprog [ 249.639449] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 249.700057] [ 1849] 0 1849 9360 20 6 3 0 0 syz-executor4 [ 249.709531] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 249.780062] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 249.789546] [ 1853] 0 1853 9360 21 6 3 0 0 syz-executor1 [ 249.840060] [ 1854] 0 1854 9360 21 6 3 0 0 syz-executor0 [ 249.849988] [ 4651] 0 4651 9361 15 5 2 0 0 syz-executor2 [ 249.920071] [ 4652] 0 4652 9360 21 6 3 0 0 syz-executor2 [ 249.929554] [ 5217] 0 5217 9361 16 5 2 0 0 syz-executor3 [ 250.000055] [ 5218] 0 5218 9360 22 6 3 0 0 syz-executor3 [ 250.009546] [ 5224] 0 5224 5365 170 15 3 0 -1000 udevd [ 250.060056] [ 6044] 0 6032 9426 0 9 4 0 1000 syz-executor2 [ 250.069539] [ 6036] 0 6036 9361 15 5 2 0 0 syz-executor5 [ 250.120063] [ 6037] 0 6037 9361 15 5 2 0 0 syz-executor5 [ 250.129544] [ 6040] 0 6039 9426 0 9 4 0 1000 syz-executor1 [ 250.160652] [ 6069] 0 6065 9426 0 9 4 0 1000 syz-executor4 [ 250.184357] [ 6077] 0 6076 9426 29 9 4 0 1000 syz-executor0 [ 250.210054] [ 6100] 0 6100 105 1 6 3 0 0 sh [ 250.218567] Out of memory: Kill process 6076 (syz-executor0) score 999 or sacrifice child [ 250.237105] Killed process 6077 (syz-executor0) total-vm:37704kB, anon-rss:116kB, file-rss:0kB, shmem-rss:0kB [ 250.261983] oom_reaper: reaped process 6077 (syz-executor0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 250.272297] syz-executor3 invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 250.286694] CPU: 0 PID: 5218 Comm: syz-executor3 Not tainted 4.14.75+ #18 [ 250.293691] Call Trace: [ 250.296256] dump_stack+0xb9/0x11b [ 250.299789] dump_header+0x17d/0x7a8 [ 250.303478] ? trace_hardirqs_on_caller+0x381/0x520 [ 250.308471] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 250.313552] ? ___ratelimit+0x4f/0x3f0 [ 250.317419] oom_kill_process.cold.8+0x10/0xc88 [ 250.322067] ? lock_downgrade+0x560/0x560 [ 250.326193] ? check_preemption_disabled+0x34/0x160 [ 250.331186] out_of_memory+0x669/0xa60 [ 250.335050] ? oom_killer_disable+0x1f0/0x1f0 [ 250.339532] __alloc_pages_nodemask+0x1949/0x2300 [ 250.344361] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 250.349176] ? find_get_entry+0x118/0x550 [ 250.353303] ? __radix_tree_lookup+0x220/0x220 [ 250.357862] ? check_preemption_disabled+0x34/0x160 [ 250.362860] ? find_get_entry+0x13f/0x550 [ 250.366990] ? pagecache_get_page+0x129/0x770 [ 250.371470] filemap_fault+0xcdd/0x14a0 [ 250.375456] ext4_filemap_fault+0x7d/0xb0 [ 250.379597] __do_fault+0x80/0x210 [ 250.383129] __handle_mm_fault+0xe04/0x23a0 [ 250.387445] ? kernel_wait4+0x15d/0x200 [ 250.391412] ? vm_insert_page+0x6d0/0x6d0 [ 250.395570] ? check_preemption_disabled+0x34/0x160 [ 250.400596] handle_mm_fault+0x2f2/0x6eb [ 250.404680] __do_page_fault+0x45d/0xb60 [ 250.408740] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 250.414097] ? bad_area_access_error+0x330/0x330 [ 250.418848] ? page_fault+0x2c/0x50 [ 250.422465] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 250.427304] ? page_fault+0x2c/0x50 [ 250.430928] page_fault+0x42/0x50 [ 250.434368] RIP: 3a8e3:0x4 [ 250.437198] RSP: 0000:000000000000010a EFLAGS: 00000000 [ 250.460781] Mem-Info: [ 250.468571] active_anon:4844 inactive_anon:41 isolated_anon:0 [ 250.468571] active_file:14 inactive_file:15 isolated_file:0 [ 250.468571] unevictable:0 dirty:0 writeback:0 unstable:0 [ 250.468571] slab_reclaimable:6841 slab_unreclaimable:55546 [ 250.468571] mapped:2 shmem:48 pagetables:342 bounce:0 [ 250.468571] free:4516 free_pcp:0 free_cma:0 [ 250.503676] Node 0 active_anon:19376kB inactive_anon:164kB active_file:156kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 250.529194] DMA32 free:15676kB min:4792kB low:7868kB high:10944kB active_anon:112kB inactive_anon:4kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:128kB pagetables:80kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 250.559189] lowmem_reserve[]: 0 3437 3437 [ 250.563399] Normal free:2388kB min:5480kB low:9000kB high:12520kB active_anon:19264kB inactive_anon:160kB active_file:60kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2752kB pagetables:1288kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 250.594948] lowmem_reserve[]: 0 0 0 [ 250.598593] DMA32: 27*4kB (UME) 29*8kB (UME) 24*16kB (UME) 21*32kB (ME) 15*64kB (M) 11*128kB (UM) 5*256kB (M) 5*512kB (UM) 2*1024kB (UM) 3*2048kB (UM) 0*4096kB = 15796kB [ 250.616643] Normal: 117*4kB (UME) 81*8kB (UME) 27*16kB (UME) 9*32kB (UME) 6*64kB (M) 2*128kB (M) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 2732kB [ 250.633325] 78 total pagecache pages [ 250.637042] 0 pages in swap cache [ 250.652719] Swap cache stats: add 0, delete 0, find 0/0 [ 250.658082] Free swap = 0kB [ 250.672665] Total swap = 0kB [ 250.675687] 1965979 pages RAM [ 250.678779] 0 pages HighMem/MovableOnly [ 250.692666] 315630 pages reserved [ 250.696118] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 250.720656] [ 191] 0 191 5385 185 17 3 0 -1000 udevd [ 250.753420] [ 299] 0 299 5384 183 15 3 0 -1000 udevd [ 250.762213] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 250.793355] [ 1630] 0 1630 30622 169 25 3 0 0 rsyslogd [ 250.813297] [ 1684] 0 1684 4725 50 15 3 0 0 cron [ 250.833328] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 250.853903] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 250.873300] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 250.900051] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 250.908804] [ 1828] 0 1828 17821 197 39 3 0 0 sshd [ 250.941370] [ 1830] 0 1830 32811 1757 27 5 0 0 syz-execprog [ 250.961443] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 250.981958] [ 1849] 0 1849 9360 20 6 3 0 0 syz-executor4 [ 251.010062] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 251.019525] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 251.052703] [ 1853] 0 1853 9360 21 6 3 0 0 syz-executor1 [ 251.072660] [ 1854] 0 1854 9360 21 6 3 0 0 syz-executor0 [ 251.092793] [ 4651] 0 4651 9361 15 5 2 0 0 syz-executor2 [ 251.120766] [ 4652] 0 4652 9360 21 6 3 0 0 syz-executor2 [ 251.140721] [ 5217] 0 5217 9361 16 5 2 0 0 syz-executor3 [ 251.160722] [ 5218] 0 5218 9360 22 6 3 0 0 syz-executor3 [ 251.192721] [ 5224] 0 5224 5365 170 15 3 0 -1000 udevd [ 251.212859] [ 6036] 0 6036 9361 15 5 2 0 0 syz-executor5 [ 251.232717] [ 6037] 0 6037 9361 15 5 2 0 0 syz-executor5 [ 251.252712] [ 6069] 0 6065 9426 0 9 4 0 1000 syz-executor4 [ 251.280804] [ 6077] 0 6076 9426 0 9 4 0 1000 syz-executor0 [ 251.300793] [ 6100] 0 6100 105 1 6 3 0 0 sh [ 251.309289] Out of memory: Kill process 1830 (syz-execprog) score 1 or sacrifice child [ 251.340790] Killed process 5217 (syz-executor3) total-vm:37444kB, anon-rss:64kB, file-rss:0kB, shmem-rss:0kB 2018/10/11 19:03:01 executed programs: 75 2018/10/11 19:03:01 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" [ 255.043459] oom_reaper: reaped process 6107 (syz-executor2), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 255.060999] syz-execprog invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 255.092555] CPU: 1 PID: 1835 Comm: syz-execprog Not tainted 4.14.75+ #18 [ 255.099402] Call Trace: [ 255.101994] dump_stack+0xb9/0x11b [ 255.105536] dump_header+0x17d/0x7a8 [ 255.109238] ? trace_hardirqs_on_caller+0x381/0x520 [ 255.114245] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 255.119339] ? ___ratelimit+0x4f/0x3f0 [ 255.123228] oom_kill_process.cold.8+0x10/0xc88 [ 255.127898] ? lock_downgrade+0x560/0x560 [ 255.132043] ? check_preemption_disabled+0x34/0x160 [ 255.137057] out_of_memory+0x669/0xa60 [ 255.140941] ? oom_killer_disable+0x1f0/0x1f0 [ 255.145450] __alloc_pages_nodemask+0x1949/0x2300 [ 255.150320] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 255.155173] ? find_get_entry+0x118/0x550 [ 255.159316] ? check_preemption_disabled+0x34/0x160 [ 255.164322] ? check_preemption_disabled+0x34/0x160 [ 255.169334] ? find_get_entry+0x13f/0x550 [ 255.173479] ? pagecache_get_page+0x129/0x770 [ 255.177968] filemap_fault+0xcdd/0x14a0 [ 255.181953] ext4_filemap_fault+0x7d/0xb0 [ 255.186110] __do_fault+0x80/0x210 [ 255.189645] __handle_mm_fault+0xe04/0x23a0 [ 255.193968] ? vm_insert_page+0x6d0/0x6d0 [ 255.198113] ? __fsnotify_parent+0xb1/0x300 [ 255.202445] ? check_preemption_disabled+0x34/0x160 [ 255.207460] handle_mm_fault+0x2f2/0x6eb [ 255.211520] __do_page_fault+0x45d/0xb60 [ 255.215579] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 255.220936] ? bad_area_access_error+0x330/0x330 [ 255.225690] ? page_fault+0x2c/0x50 [ 255.229307] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 255.234146] ? page_fault+0x2c/0x50 [ 255.237764] page_fault+0x42/0x50 [ 255.241221] RIP: 2040a3c0:0x1 [ 255.244329] RSP: 203fadf0:000000c4203fa9e0 EFLAGS: 00000001 [ 255.431500] Mem-Info: [ 255.439643] active_anon:4953 inactive_anon:41 isolated_anon:0 [ 255.439643] active_file:25 inactive_file:19 isolated_file:0 [ 255.439643] unevictable:0 dirty:0 writeback:0 unstable:0 [ 255.439643] slab_reclaimable:6778 slab_unreclaimable:55541 [ 255.439643] mapped:2 shmem:48 pagetables:374 bounce:0 [ 255.439643] free:4651 free_pcp:0 free_cma:0 [ 255.530063] Node 0 active_anon:19812kB inactive_anon:164kB active_file:100kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 255.580079] DMA32 free:15856kB min:4792kB low:7868kB high:10944kB active_anon:264kB inactive_anon:4kB active_file:32kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:128kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 255.641492] lowmem_reserve[]: 0 3437 3437 [ 255.645704] Normal free:2748kB min:5480kB low:9000kB high:12520kB active_anon:19548kB inactive_anon:160kB active_file:96kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2976kB pagetables:1408kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 255.700075] lowmem_reserve[]: 0 0 0 [ 255.703731] DMA32: 68*4kB (UME) 52*8kB (UME) 42*16kB (ME) 33*32kB (UME) 16*64kB (UM) 7*128kB (M) 3*256kB (UM) 5*512kB (UM) 2*1024kB (UM) 3*2048kB (UM) 0*4096kB = 15856kB [ 255.740789] Normal: 64*4kB (UME) 86*8kB (UME) 35*16kB (UME) 19*32kB (UME) 6*64kB (UM) 2*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 2752kB [ 255.775518] 81 total pagecache pages [ 255.779247] 0 pages in swap cache [ 255.795929] Swap cache stats: add 0, delete 0, find 0/0 [ 255.801321] Free swap = 0kB [ 255.804330] Total swap = 0kB [ 255.807337] 1965979 pages RAM [ 255.840064] 0 pages HighMem/MovableOnly [ 255.844879] 315630 pages reserved [ 255.894616] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 255.920181] [ 191] 0 191 5385 186 17 3 0 -1000 udevd [ 255.929267] [ 299] 0 299 5384 184 15 3 0 -1000 udevd [ 255.960065] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 255.969094] [ 1630] 0 1630 30622 169 25 3 0 0 rsyslogd [ 256.053453] [ 1684] 0 1684 4725 50 15 3 0 0 cron [ 256.075087] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 256.130104] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 256.139457] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 256.180055] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 256.188937] [ 1828] 0 1828 17821 197 39 3 0 0 sshd [ 256.235512] [ 1830] 0 1830 32811 1757 27 5 0 0 syz-execprog [ 256.292265] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 256.347067] [ 1849] 0 1849 9360 20 6 3 0 0 syz-executor4 [ 256.396634] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 256.450095] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 256.504265] [ 1853] 0 1853 9360 21 6 3 0 0 syz-executor1 [ 256.562929] [ 1854] 0 1854 9360 21 6 3 0 0 syz-executor0 [ 256.601980] [ 4651] 0 4651 9361 15 5 2 0 0 syz-executor2 [ 256.631805] [ 4652] 0 4652 9360 21 6 3 0 0 syz-executor2 [ 256.651988] [ 5224] 0 5224 5365 170 15 3 0 -1000 udevd [ 256.709177] [ 6036] 0 6036 9361 15 5 2 0 0 syz-executor5 [ 256.748776] [ 6037] 0 6037 9361 15 5 2 0 0 syz-executor5 [ 256.780066] [ 6107] 0 6104 9426 0 9 4 0 1000 syz-executor2 [ 256.789691] [ 6109] 0 6105 9426 29 9 4 0 1000 syz-executor1 [ 256.860480] [ 6108] 0 6108 9361 16 5 2 0 0 syz-executor3 [ 256.904108] [ 6110] 0 6110 9361 16 5 2 0 0 syz-executor3 [ 256.950087] [ 6199] 0 6198 9426 29 9 4 0 1000 syz-executor0 [ 256.961447] [ 6264] 0 6264 1050 18 7 3 0 0 sh [ 256.969954] [ 6265] 0 6265 2135 36 10 3 0 0 ip [ 257.010056] [ 6270] 0 6270 101 1 5 3 0 0 modprobe [ 257.019570] [ 6271] 0 6271 9361 16 4 2 0 0 syz-executor3 [ 257.050080] Out of memory: Kill process 6105 (syz-executor1) score 999 or sacrifice child [ 257.058977] Killed process 6109 (syz-executor1) total-vm:37704kB, anon-rss:116kB, file-rss:0kB, shmem-rss:0kB 2018/10/11 19:03:07 executed programs: 79 [ 257.106397] oom_reaper: reaped process 6109 (syz-executor1), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 257.713319] oom_reaper: reaped process 6228 (syz-executor0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 257.837495] sh invoked oom-killer: gfp_mask=0x15080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null), order=3, oom_score_adj=0 [ 257.854199] CPU: 0 PID: 6288 Comm: sh Not tainted 4.14.75+ #18 [ 257.860177] Call Trace: [ 257.862755] dump_stack+0xb9/0x11b [ 257.866273] dump_header+0x17d/0x7a8 [ 257.869961] ? trace_hardirqs_on_caller+0x381/0x520 [ 257.874953] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 257.880037] ? ___ratelimit+0x4f/0x3f0 [ 257.883908] oom_kill_process.cold.8+0x10/0xc88 [ 257.888575] ? lock_downgrade+0x560/0x560 [ 257.892699] ? check_preemption_disabled+0x34/0x160 [ 257.897693] out_of_memory+0x669/0xa60 [ 257.901570] ? oom_killer_disable+0x1f0/0x1f0 [ 257.906043] __alloc_pages_nodemask+0x1949/0x2300 [ 257.910870] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 257.915697] ? lock_downgrade+0x560/0x560 [ 257.919832] ? rcu_read_lock_sched_held+0x102/0x120 [ 257.924830] copy_process.part.6+0x267/0x6530 [ 257.929311] ? __handle_mm_fault+0x15cc/0x23a0 [ 257.933867] ? lock_downgrade+0x560/0x560 [ 257.937996] ? trace_hardirqs_on+0x10/0x10 [ 257.942213] ? __cleanup_sighand+0x40/0x40 [ 257.946423] ? vm_insert_page+0x6d0/0x6d0 [ 257.950569] _do_fork+0x1c2/0xd50 [ 257.954019] ? fork_idle+0x250/0x250 [ 257.957736] ? up_read+0x17/0x30 [ 257.961081] ? __do_page_fault+0x64c/0xb60 [ 257.965307] ? do_syscall_64+0x43/0x4b0 [ 257.969258] ? sys_vfork+0x20/0x20 [ 257.972773] do_syscall_64+0x19b/0x4b0 [ 257.976648] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 257.981811] RIP: 0033:0x7fb616a59f46 [ 257.985523] RSP: 002b:00007ffed6aa8f20 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 257.993206] RAX: ffffffffffffffda RBX: 00007ffed6aa8f20 RCX: 00007fb616a59f46 [ 258.000453] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 258.007697] RBP: 00007ffed6aa8f60 R08: 0000000000000000 R09: 0000000000000062 [ 258.014946] R10: 00007fb616f509d0 R11: 0000000000000246 R12: 0000000000000000 [ 258.022188] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 258.030508] Mem-Info: [ 258.032940] active_anon:4957 inactive_anon:39 isolated_anon:0 [ 258.032940] active_file:50 inactive_file:36 isolated_file:0 [ 258.032940] unevictable:0 dirty:0 writeback:3 unstable:0 [ 258.032940] slab_reclaimable:6818 slab_unreclaimable:55531 [ 258.032940] mapped:23 shmem:48 pagetables:385 bounce:0 [ 258.032940] free:4803 free_pcp:4 free_cma:0 [ 258.065558] Node 0 active_anon:19828kB inactive_anon:156kB active_file:200kB inactive_file:144kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:92kB dirty:0kB writeback:12kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 258.088169] DMA32 free:15832kB min:4792kB low:7868kB high:10944kB active_anon:476kB inactive_anon:4kB active_file:16kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:128kB pagetables:176kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 258.115363] lowmem_reserve[]: 0 3437 3437 [ 258.119532] Normal free:2608kB min:5480kB low:9000kB high:12520kB active_anon:19352kB inactive_anon:152kB active_file:112kB inactive_file:92kB unevictable:0kB writepending:0kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2976kB pagetables:1364kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 258.147247] lowmem_reserve[]: 0 0 0 [ 258.154676] DMA32: 55*4kB (UME) 57*8kB (UME) 35*16kB (ME) 28*32kB (ME) 18*64kB (UM) 7*128kB (M) 2*256kB (M) 6*512kB (UM) 2*1024kB (UM) 3*2048kB (UM) 0*4096kB = 15956kB [ 258.173494] Normal: 82*4kB (UME) 48*8kB (UME) 53*16kB (UME) 19*32kB (UME) 7*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 2616kB [ 258.186793] 103 total pagecache pages [ 258.193597] 0 pages in swap cache [ 258.197047] Swap cache stats: add 0, delete 0, find 0/0 [ 258.203045] Free swap = 0kB [ 258.206055] Total swap = 0kB [ 258.209059] 1965979 pages RAM [ 258.215197] 0 pages HighMem/MovableOnly [ 258.219169] 315630 pages reserved [ 258.223275] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 258.253216] [ 191] 0 191 5385 185 17 3 0 -1000 udevd [ 258.273150] [ 299] 0 299 5384 183 15 3 0 -1000 udevd [ 258.295139] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 258.315209] [ 1630] 0 1630 30622 169 25 3 0 0 rsyslogd [ 258.354111] [ 1684] 0 1684 4725 50 15 3 0 0 cron [ 258.362855] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 258.393979] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 258.403295] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 258.434690] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 258.454067] [ 1828] 0 1828 17821 197 39 3 0 0 sshd [ 258.474148] [ 1830] 0 1830 32811 1757 27 5 0 0 syz-execprog [ 258.493993] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 258.533956] [ 1849] 0 1849 9360 20 6 3 0 0 syz-executor4 [ 258.543463] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 258.580934] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 258.620872] [ 1853] 0 1853 9360 21 6 3 0 0 syz-executor1 [ 258.640848] [ 1854] 0 1854 9360 21 6 3 0 0 syz-executor0 [ 258.674132] [ 4651] 0 4651 9361 15 5 2 0 0 syz-executor2 [ 258.694520] [ 4652] 0 4652 9360 21 6 3 0 0 syz-executor2 [ 258.720847] [ 5224] 0 5224 5365 170 15 3 0 -1000 udevd [ 258.729630] [ 6036] 0 6036 9361 15 5 2 0 0 syz-executor5 [ 258.763812] [ 6037] 0 6037 9361 15 5 2 0 0 syz-executor5 [ 258.810860] [ 6109] 0 6105 9426 0 9 4 0 1000 syz-executor1 [ 258.842372] [ 6108] 0 6108 9361 16 5 2 0 0 syz-executor3 [ 258.881643] [ 6110] 0 6110 9361 16 5 2 0 0 syz-executor3 [ 258.921655] [ 6199] 0 6198 9426 0 9 4 0 1000 syz-executor0 [ 258.941510] [ 6275] 0 6275 9393 20 9 4 0 1000 syz-executor4 [ 258.970847] [ 6287] 0 6287 1050 17 8 3 0 0 sh [ 258.979364] [ 6288] 0 6288 1050 17 8 3 0 0 sh [ 259.030079] [ 6289] 0 6289 2102 22 9 3 0 0 ip [ 259.038592] [ 6290] 0 6290 1576 20 9 3 0 0 modprobe [ 259.110679] [ 6291] 0 6291 2066 15 7 3 0 -1000 blkid [ 259.140053] Out of memory: Kill process 6275 (syz-executor4) score 999 or sacrifice child [ 259.148413] Killed process 6275 (syz-executor4) total-vm:37572kB, anon-rss:80kB, file-rss:0kB, shmem-rss:0kB [ 259.210234] syz-executor4: page allocation failure: order:0, mode:0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null) [ 259.242448] CPU: 0 PID: 6275 Comm: syz-executor4 Not tainted 4.14.75+ #18 [ 259.249465] Call Trace: [ 259.252048] dump_stack+0xb9/0x11b [ 259.255581] warn_alloc.cold.35+0x9d/0x1b7 [ 259.259801] ? zone_watermark_ok_safe+0x240/0x240 [ 259.264627] ? usleep_range+0x130/0x130 [ 259.268590] ? run_timer_softirq+0x560/0x560 [ 259.272997] __alloc_pages_nodemask+0x19d8/0x2300 [ 259.277842] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 259.282672] ? find_get_entry+0x118/0x550 [ 259.286809] ? check_preemption_disabled+0x34/0x160 [ 259.291811] ? check_preemption_disabled+0x34/0x160 [ 259.296814] ? find_get_entry+0x13f/0x550 [ 259.300951] ? pagecache_get_page+0x129/0x770 [ 259.305450] filemap_fault+0xcdd/0x14a0 [ 259.309456] ext4_filemap_fault+0x7d/0xb0 [ 259.313593] __do_fault+0x80/0x210 [ 259.317126] __handle_mm_fault+0xe04/0x23a0 [ 259.321436] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 259.326526] ? vm_insert_page+0x6d0/0x6d0 [ 259.330661] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 259.335752] ? free_object+0xe4/0x240 [ 259.339551] ? check_preemption_disabled+0x34/0x160 [ 259.344557] handle_mm_fault+0x2f2/0x6eb [ 259.348610] __do_page_fault+0x45d/0xb60 [ 259.352660] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 259.358009] ? bad_area_access_error+0x330/0x330 [ 259.362750] ? page_fault+0x2c/0x50 [ 259.366360] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 259.371194] ? page_fault+0x2c/0x50 [ 259.374804] page_fault+0x42/0x50 [ 259.378238] RIP: 03e8:0x3ecd7 [ 259.381323] RSP: 3efb4:000000000072c900 EFLAGS: 0072c900 [ 259.630503] oom_reaper: reaped process 6275 (syz-executor4), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 259.690212] Mem-Info: [ 259.692687] active_anon:4907 inactive_anon:39 isolated_anon:0 [ 259.692687] active_file:600 inactive_file:880 isolated_file:0 [ 259.692687] unevictable:0 dirty:25 writeback:0 unstable:0 [ 259.692687] slab_reclaimable:6790 slab_unreclaimable:55447 [ 259.692687] mapped:977 shmem:48 pagetables:385 bounce:0 [ 259.692687] free:39246 free_pcp:466 free_cma:0 [ 259.810071] Node 0 active_anon:19528kB inactive_anon:156kB active_file:3100kB inactive_file:3020kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:3708kB dirty:100kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 259.880534] DMA32 free:198300kB min:4792kB low:7868kB high:10944kB active_anon:156kB inactive_anon:4kB active_file:0kB inactive_file:40kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:96kB pagetables:176kB bounce:0kB free_pcp:1308kB local_pcp:620kB free_cma:0kB [ 259.972399] lowmem_reserve[]: 0 3437 3437 [ 259.976621] Normal free:235628kB min:5480kB low:9000kB high:12520kB active_anon:19552kB inactive_anon:152kB active_file:3116kB inactive_file:3024kB unevictable:0kB writepending:160kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:3008kB pagetables:1364kB bounce:0kB free_pcp:1316kB local_pcp:640kB free_cma:0kB [ 260.104454] lowmem_reserve[]: 0 0 0 [ 260.109540] DMA32: 4876*4kB (UME) 5065*8kB (UME) 4819*16kB (UME) 2857*32kB (UME) 734*64kB (UM) 12*128kB (UM) 7*256kB (UM) 5*512kB (UM) 1*1024kB (U) 4*2048kB (UM) 0*4096kB = 290632kB [ 260.177663] Normal: 7428*4kB (UME) 7295*8kB (UME) 6039*16kB (UME) 6689*32kB (UME) 1416*64kB (UM) 62*128kB (UM) 5*256kB (UM) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 498584kB [ 260.229562] 1624 total pagecache pages [ 260.250106] 0 pages in swap cache [ 260.256340] Swap cache stats: add 0, delete 0, find 0/0 [ 260.280100] Free swap = 0kB [ 260.283132] Total swap = 0kB [ 260.286140] 1965979 pages RAM [ 260.289229] 0 pages HighMem/MovableOnly [ 260.340118] 315630 pages reserved [ 260.343731] syz-executor4 invoked oom-killer: gfp_mask=0x0(), nodemask=(null), order=0, oom_score_adj=1000 [ 260.395341] CPU: 1 PID: 6275 Comm: syz-executor4 Not tainted 4.14.75+ #18 [ 260.402294] Call Trace: [ 260.404891] dump_stack+0xb9/0x11b [ 260.408447] dump_header+0x17d/0x7a8 [ 260.412158] ? trace_hardirqs_on_caller+0x381/0x520 [ 260.417170] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 260.422274] ? ___ratelimit+0x4f/0x3f0 [ 260.426154] oom_kill_process.cold.8+0x10/0xc88 [ 260.430826] ? lock_downgrade+0x560/0x560 [ 260.434967] ? check_preemption_disabled+0x34/0x160 [ 260.439981] out_of_memory+0x669/0xa60 [ 260.443865] ? oom_killer_disable+0x1f0/0x1f0 [ 260.448370] ? mutex_trylock+0x15c/0x1a0 [ 260.452421] ? pagefault_out_of_memory+0xc2/0xe6 [ 260.457186] pagefault_out_of_memory+0xd3/0xe6 [ 260.461764] ? out_of_memory+0xa60/0xa60 [ 260.465810] ? __do_page_fault+0x485/0xb60 [ 260.470040] mm_fault_error+0x113/0x2b0 [ 260.474011] __do_page_fault+0xa22/0xb60 [ 260.478069] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 260.483424] ? bad_area_access_error+0x330/0x330 [ 260.488171] ? page_fault+0x2c/0x50 [ 260.491787] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 260.496634] ? page_fault+0x2c/0x50 [ 260.500254] page_fault+0x42/0x50 [ 260.503698] RIP: 03e8:0x3ecd7 [ 260.506804] RSP: 3efb4:000000000072c900 EFLAGS: 0072c900 [ 260.750679] Mem-Info: [ 260.758584] active_anon:4915 inactive_anon:41 isolated_anon:0 [ 260.758584] active_file:819 inactive_file:757 isolated_file:0 [ 260.758584] unevictable:0 dirty:32 writeback:0 unstable:0 [ 260.758584] slab_reclaimable:6756 slab_unreclaimable:55730 [ 260.758584] mapped:946 shmem:48 pagetables:368 bounce:0 [ 260.758584] free:556021 free_pcp:670 free_cma:0 [ 260.880080] Node 0 active_anon:19560kB inactive_anon:164kB active_file:3276kB inactive_file:3028kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:3784kB dirty:128kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 260.960110] DMA32 free:1121028kB min:4792kB low:7868kB high:10944kB active_anon:96kB inactive_anon:4kB active_file:16kB inactive_file:0kB unevictable:0kB writepending:12kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:64kB pagetables:72kB bounce:0kB free_pcp:1268kB local_pcp:620kB free_cma:0kB [ 261.040170] lowmem_reserve[]: 0 3437 3437 [ 261.044392] Normal free:1625632kB min:5480kB low:9000kB high:12520kB active_anon:19544kB inactive_anon:160kB active_file:3264kB inactive_file:3036kB unevictable:0kB writepending:128kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2976kB pagetables:1404kB bounce:0kB free_pcp:1364kB local_pcp:728kB free_cma:0kB [ 261.140552] lowmem_reserve[]: 0 0 0 [ 261.144236] DMA32: 17411*4kB (UME) 20989*8kB (UME) 20442*16kB (UME) 13183*32kB (UME) 4540*64kB (UM) 262*128kB (UM) 11*256kB (UM) 5*512kB (UM) 1*1024kB (U) 4*2048kB (UM) 0*4096kB = 1325172kB [ 261.200558] Normal: 16639*4kB (UE) 19465*8kB (UME) 20371*16kB (UME) 18088*32kB (UME) 7897*64kB (UM) 1020*128kB (U) 62*256kB (U) 2*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 1779892kB [ 261.258179] 1628 total pagecache pages [ 261.262531] 0 pages in swap cache [ 261.265986] Swap cache stats: add 0, delete 0, find 0/0 [ 261.290627] Free swap = 0kB [ 261.293669] Total swap = 0kB [ 261.296714] 1965979 pages RAM [ 261.299814] 0 pages HighMem/MovableOnly [ 261.330203] 315630 pages reserved [ 261.333682] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 261.370527] [ 191] 0 191 5385 292 17 3 0 -1000 udevd [ 261.379309] [ 299] 0 299 5384 549 15 3 0 -1000 udevd [ 261.420092] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 261.429139] [ 1630] 0 1630 30622 169 25 3 0 0 rsyslogd [ 261.460087] [ 1684] 0 1684 4725 50 15 3 0 0 cron [ 261.468798] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 261.500098] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 261.509391] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 261.540351] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 261.549120] [ 1828] 0 1828 17821 197 39 3 0 0 sshd [ 261.570061] [ 1830] 0 1830 32811 1757 27 5 0 0 syz-execprog [ 261.579435] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 261.610065] [ 1849] 0 1849 9360 20 6 3 0 0 syz-executor4 [ 261.630067] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 261.639563] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 261.669558] [ 1853] 0 1853 9360 21 6 3 0 0 syz-executor1 [ 261.688732] [ 1854] 0 1854 9360 21 6 3 0 0 syz-executor0 [ 261.710084] [ 4651] 0 4651 9361 15 5 2 0 0 syz-executor2 [ 261.719551] [ 4652] 0 4652 9360 21 6 3 0 0 syz-executor2 [ 261.740167] [ 5224] 0 5224 5365 170 15 3 0 -1000 udevd [ 261.748929] [ 6036] 0 6036 9361 15 5 2 0 0 syz-executor5 [ 261.790088] [ 6037] 0 6037 9361 140 5 2 0 0 syz-executor5 [ 261.799565] [ 6109] 0 6105 9426 0 9 4 0 1000 syz-executor1 [ 261.820086] [ 6108] 0 6108 9361 16 5 2 0 0 syz-executor3 [ 261.829570] [ 6110] 0 6110 9361 78 5 2 0 0 syz-executor3 [ 261.859734] [ 6275] 0 6275 9393 0 9 4 0 1000 syz-executor4 [ 261.880084] [ 6455] 0 6455 1050 129 8 3 0 0 sh [ 261.888597] [ 6459] 0 6459 2135 168 10 3 0 0 ip [ 261.917686] [ 6466] 0 6466 1 1 1 1 0 0 syz-executor5 [ 261.940086] [ 6467] 0 6467 1050 125 8 3 0 0 sh [ 261.948597] [ 6468] 0 6468 1050 23 5 3 0 0 sh [ 261.970061] [ 6469] 0 6469 2135 173 9 3 0 0 ip [ 261.990431] Out of memory: Kill process 1830 (syz-execprog) score 1 or sacrifice child [ 261.998552] Killed process 6108 (syz-executor3) total-vm:37444kB, anon-rss:64kB, file-rss:0kB, shmem-rss:0kB 2018/10/11 19:03:12 result: failed=false hanged=false err=executor 3: EOF 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" 2018/10/11 19:03:12 executed programs: 83 2018/10/11 19:03:19 executed programs: 85 [ 270.550230] oom_reaper: reaped process 6702 (syz-executor1), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 270.564083] oom_reaper: reaped process 6700 (syz-executor5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 270.611334] oom_reaper: reaped process 6682 (syz-executor4), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 270.636986] oom_reaper: reaped process 6698 (syz-executor0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 270.722978] oom_reaper: reaped process 6697 (syz-executor2), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 270.820271] syz-executor5 invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 270.871112] CPU: 0 PID: 6037 Comm: syz-executor5 Not tainted 4.14.75+ #18 [ 270.878054] Call Trace: [ 270.880644] dump_stack+0xb9/0x11b [ 270.884196] dump_header+0x17d/0x7a8 [ 270.887921] ? trace_hardirqs_on_caller+0x381/0x520 [ 270.892931] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 270.898023] ? ___ratelimit+0x4f/0x3f0 [ 270.901913] oom_kill_process.cold.8+0x10/0xc88 [ 270.906590] ? lock_downgrade+0x560/0x560 [ 270.910735] ? check_preemption_disabled+0x34/0x160 [ 270.915745] out_of_memory+0x669/0xa60 [ 270.919627] ? oom_killer_disable+0x1f0/0x1f0 [ 270.924124] __alloc_pages_nodemask+0x1949/0x2300 [ 270.928978] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 270.933813] ? find_get_entry+0x118/0x550 [ 270.937954] ? __radix_tree_lookup+0x220/0x220 [ 270.942528] ? check_preemption_disabled+0x34/0x160 [ 270.947541] ? find_get_entry+0x13f/0x550 [ 270.951690] ? pagecache_get_page+0x129/0x770 [ 270.956181] filemap_fault+0xcdd/0x14a0 [ 270.960166] ext4_filemap_fault+0x7d/0xb0 [ 270.964306] __do_fault+0x80/0x210 [ 270.967837] __handle_mm_fault+0xe04/0x23a0 [ 270.972149] ? put_pid+0xa/0x120 [ 270.975507] ? kernel_wait4+0x15d/0x200 [ 270.979476] ? vm_insert_page+0x6d0/0x6d0 [ 270.983639] ? check_preemption_disabled+0x34/0x160 [ 270.988649] handle_mm_fault+0x2f2/0x6eb [ 270.992703] __do_page_fault+0x45d/0xb60 [ 270.996757] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 271.002112] ? bad_area_access_error+0x330/0x330 [ 271.006854] ? page_fault+0x2c/0x50 [ 271.010475] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 271.015312] ? page_fault+0x2c/0x50 [ 271.018932] page_fault+0x42/0x50 [ 271.022375] RIP: 41a52:0x1 [ 271.025205] RSP: 41d79:0000000000000101 EFLAGS: 00000001 [ 271.630839] Mem-Info: [ 271.638738] active_anon:4916 inactive_anon:41 isolated_anon:0 [ 271.638738] active_file:15 inactive_file:39 isolated_file:0 [ 271.638738] unevictable:0 dirty:0 writeback:0 unstable:0 [ 271.638738] slab_reclaimable:6397 slab_unreclaimable:56022 [ 271.638738] mapped:2 shmem:48 pagetables:389 bounce:0 [ 271.638738] free:4448 free_pcp:0 free_cma:0 [ 271.880063] Node 0 active_anon:19664kB inactive_anon:164kB active_file:216kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 272.000893] DMA32 free:15572kB min:4792kB low:7868kB high:10944kB active_anon:384kB inactive_anon:0kB active_file:12kB inactive_file:8kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:256kB pagetables:128kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 272.150785] lowmem_reserve[]: 0 3437 3437 [ 272.154993] Normal free:2340kB min:5480kB low:9000kB high:12520kB active_anon:19280kB inactive_anon:164kB active_file:116kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2912kB pagetables:1428kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 272.341441] lowmem_reserve[]: 0 0 0 [ 272.345117] DMA32: 41*4kB (UME) 31*8kB (ME) 27*16kB (ME) 30*32kB (UME) 17*64kB (UME) 10*128kB (UM) 5*256kB (UM) 4*512kB (UM) 0*1024kB 4*2048kB (UM) 0*4096kB = 15692kB [ 272.461061] Normal: 75*4kB (ME) 47*8kB (UME) 36*16kB (UME) 16*32kB (UE) 5*64kB (U) 0*128kB 1*256kB (M) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 2340kB [ 272.560780] 103 total pagecache pages [ 272.564609] 0 pages in swap cache [ 272.568046] Swap cache stats: add 0, delete 0, find 0/0 [ 272.620870] Free swap = 0kB [ 272.623928] Total swap = 0kB [ 272.626933] 1965979 pages RAM [ 272.683016] 0 pages HighMem/MovableOnly [ 272.687012] 315630 pages reserved [ 272.730042] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 272.738761] [ 191] 0 191 5385 185 17 3 0 -1000 udevd [ 272.830083] [ 299] 0 299 5384 184 15 3 0 -1000 udevd [ 272.838875] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 272.925584] [ 1630] 0 1630 30622 169 25 3 0 0 rsyslogd [ 272.977070] [ 1684] 0 1684 4725 50 15 3 0 0 cron [ 273.026560] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 273.080088] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 273.162455] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 273.210080] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 273.218876] [ 1828] 0 1828 17821 197 39 3 0 0 sshd [ 273.290096] [ 1830] 0 1830 32811 1757 27 5 0 0 syz-execprog [ 273.299497] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 273.404912] [ 1849] 0 1849 9360 20 6 3 0 0 syz-executor4 [ 273.460507] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 273.510104] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 273.519608] [ 1853] 0 1853 9360 21 6 3 0 0 syz-executor1 [ 273.600583] [ 1854] 0 1854 9360 21 6 3 0 0 syz-executor0 [ 273.660131] [ 4651] 0 4651 9361 15 5 2 0 0 syz-executor2 [ 273.669625] [ 4652] 0 4652 9360 85 6 3 0 0 syz-executor2 [ 273.780096] [ 5224] 0 5224 5365 170 15 3 0 -1000 udevd [ 273.788923] [ 6036] 0 6036 9361 15 5 2 0 0 syz-executor5 [ 273.890166] [ 6037] 0 6037 9360 21 6 3 0 0 syz-executor5 [ 273.899657] [ 6678] 0 6677 9426 0 9 4 0 1000 syz-executor2 [ 274.000098] [ 6680] 0 6679 9426 0 9 4 0 1000 syz-executor0 [ 274.009585] [ 6682] 0 6681 9426 0 9 4 0 1000 syz-executor4 [ 274.120111] [ 6684] 0 6683 9426 0 10 4 0 1000 syz-executor5 [ 274.129599] [ 6686] 0 6685 9426 0 9 4 0 1000 syz-executor1 [ 274.240114] [ 6687] 0 6687 9361 17 5 2 0 0 syz-executor3 [ 274.249597] [ 6688] 0 6688 9361 154 5 2 0 0 syz-executor3 [ 274.334777] [ 6760] 0 6760 1050 116 8 3 0 0 sh [ 274.403542] Out of memory: Kill process 1830 (syz-execprog) score 1 or sacrifice child [ 274.430170] Killed process 6687 (syz-executor3) total-vm:37444kB, anon-rss:68kB, file-rss:0kB, shmem-rss:0kB 2018/10/11 19:03:24 result: failed=false hanged=false err=executor 3: EOF 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" 2018/10/11 19:03:24 executed programs: 86 [ 277.166333] ip invoked oom-killer: gfp_mask=0x15080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null), order=0, oom_score_adj=0 [ 277.184643] CPU: 1 PID: 6829 Comm: ip Not tainted 4.14.75+ #18 [ 277.190615] Call Trace: [ 277.193200] dump_stack+0xb9/0x11b [ 277.196740] dump_header+0x17d/0x7a8 [ 277.200450] ? trace_hardirqs_on_caller+0x381/0x520 [ 277.205478] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 277.210577] ? ___ratelimit+0x4f/0x3f0 [ 277.214461] oom_kill_process.cold.8+0x10/0xc88 [ 277.219122] ? lock_downgrade+0x560/0x560 [ 277.223269] ? check_preemption_disabled+0x34/0x160 [ 277.228292] out_of_memory+0x669/0xa60 [ 277.232179] ? oom_killer_disable+0x1f0/0x1f0 [ 277.236681] __alloc_pages_nodemask+0x1949/0x2300 [ 277.241537] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 277.246395] ? do_brk_flags+0x54b/0x8b0 [ 277.250388] ? kasan_kmalloc.part.1+0xa9/0xd0 [ 277.254856] ? kasan_kmalloc.part.1+0x4f/0xd0 [ 277.259323] ? kmem_cache_alloc+0xe4/0x2b0 [ 277.263568] ? do_brk_flags+0x54b/0x8b0 [ 277.267528] ? SyS_brk+0x310/0x540 [ 277.271042] ? do_syscall_64+0x19b/0x4b0 [ 277.275088] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 277.280435] ? __lock_acquire+0x619/0x4320 [ 277.284648] ? __lock_acquire+0x619/0x4320 [ 277.288872] pte_alloc_one+0x18/0xf0 [ 277.292576] __pte_alloc+0x21/0x270 [ 277.296179] __handle_mm_fault+0x1a85/0x23a0 [ 277.300566] ? vma_compute_subtree_gap+0x18f/0x1f0 [ 277.305472] ? vm_insert_page+0x6d0/0x6d0 [ 277.309606] ? check_preemption_disabled+0x34/0x160 [ 277.314600] handle_mm_fault+0x2f2/0x6eb [ 277.318638] __do_page_fault+0x45d/0xb60 [ 277.322693] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 277.328030] ? bad_area_access_error+0x330/0x330 [ 277.332762] ? page_fault+0x2c/0x50 [ 277.336362] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 277.341182] ? page_fault+0x2c/0x50 [ 277.344796] page_fault+0x42/0x50 [ 277.348223] RIP: 0000:0x7fd5d8acdda0 [ 277.351907] RSP: 21001:00007fd5d8acee40 EFLAGS: 7fd5d8acee98 [ 277.360491] Mem-Info: [ 277.368707] active_anon:4986 inactive_anon:41 isolated_anon:0 [ 277.368707] active_file:22 inactive_file:36 isolated_file:0 [ 277.368707] unevictable:0 dirty:0 writeback:0 unstable:0 [ 277.368707] slab_reclaimable:6373 slab_unreclaimable:56027 [ 277.368707] mapped:21 shmem:48 pagetables:381 bounce:0 [ 277.368707] free:5813 free_pcp:0 free_cma:0 [ 277.420082] Node 0 active_anon:19944kB inactive_anon:164kB active_file:152kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:84kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 277.443233] DMA32 free:18016kB min:4792kB low:7868kB high:10944kB active_anon:324kB inactive_anon:0kB active_file:12kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:192kB pagetables:96kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 277.470159] lowmem_reserve[]: 0 3437 3437 [ 277.474335] Normal free:5324kB min:5480kB low:9000kB high:12520kB active_anon:19620kB inactive_anon:164kB active_file:484kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2944kB pagetables:1428kB bounce:0kB free_pcp:128kB local_pcp:64kB free_cma:0kB [ 277.510221] lowmem_reserve[]: 0 0 0 [ 277.513888] DMA32: 48*4kB (UME) 29*8kB (UME) 21*16kB (UME) 33*32kB (UME) 17*64kB (UME) 11*128kB (UM) 4*256kB (M) 3*512kB (M) 1*1024kB (U) 3*2048kB (M) 1*4096kB (U) = 18136kB [ 277.601507] Normal: 131*4kB (UME) 96*8kB (UME) 71*16kB (UME) 24*32kB (UME) 15*64kB (UM) 2*128kB (U) 3*256kB (UM) 1*512kB (M) 0*1024kB 0*2048kB 0*4096kB = 5692kB [ 277.646583] 99 total pagecache pages [ 277.650350] 0 pages in swap cache [ 277.653792] Swap cache stats: add 0, delete 0, find 0/0 [ 277.659127] Free swap = 0kB [ 277.662152] Total swap = 0kB [ 277.665159] 1965979 pages RAM [ 277.668248] 0 pages HighMem/MovableOnly [ 277.673567] 315630 pages reserved [ 277.677026] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 277.685728] [ 191] 0 191 5385 186 17 3 0 -1000 udevd [ 277.696604] [ 299] 0 299 5384 184 15 3 0 -1000 udevd [ 277.705400] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 277.714437] [ 1630] 0 1630 30622 170 25 3 0 0 rsyslogd [ 277.723480] [ 1684] 0 1684 4725 50 15 3 0 0 cron [ 277.732207] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 277.741335] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 277.750630] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 277.759296] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 277.768091] [ 1828] 0 1828 17821 197 39 3 0 0 sshd [ 277.784375] [ 1830] 0 1830 32811 1757 27 5 0 0 syz-execprog [ 277.806317] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 277.843176] [ 1849] 0 1849 9360 20 6 3 0 0 syz-executor4 [ 277.853120] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 277.863312] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 277.873513] [ 1853] 0 1853 9360 21 6 3 0 0 syz-executor1 [ 277.883609] [ 1854] 0 1854 9360 21 6 3 0 0 syz-executor0 [ 277.893083] [ 4651] 0 4651 9361 15 5 2 0 0 syz-executor2 [ 277.903197] [ 4652] 0 4652 9360 21 6 3 0 0 syz-executor2 [ 277.913359] [ 5224] 0 5224 5365 170 15 3 0 -1000 udevd [ 277.922906] [ 6036] 0 6036 9361 15 5 2 0 0 syz-executor5 [ 277.933027] [ 6037] 0 6037 9360 21 6 3 0 0 syz-executor5 [ 277.945389] [ 6769] 0 6769 9361 16 5 2 0 0 syz-executor3 [ 277.954851] [ 6770] 0 6770 9361 16 5 2 0 0 syz-executor3 [ 277.966541] [ 6772] 0 6771 9426 29 9 4 0 1000 syz-executor1 [ 277.976309] [ 6776] 0 6775 9426 29 9 4 0 1000 syz-executor0 [ 277.987772] [ 6779] 0 6778 9426 29 10 4 0 1000 syz-executor5 [ 277.997241] [ 6782] 0 6780 9426 29 9 4 0 1000 syz-executor2 [ 278.008205] [ 6791] 0 6790 9426 28 9 4 0 1000 syz-executor4 [ 278.017683] [ 6828] 0 6828 1050 17 8 3 0 0 sh [ 278.027644] [ 6829] 0 6829 2135 22 9 3 0 0 ip [ 278.036163] Out of memory: Kill process 6778 (syz-executor5) score 999 or sacrifice child [ 278.046010] Killed process 6779 (syz-executor5) total-vm:37704kB, anon-rss:116kB, file-rss:0kB, shmem-rss:0kB [ 278.071735] oom_reaper: reaped process 6779 (syz-executor5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 278.153338] oom_reaper: reaped process 6795 (syz-executor0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 278.178255] oom_reaper: reaped process 6782 (syz-executor2), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 278.211565] oom_reaper: reaped process 6791 (syz-executor4), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 278.257341] oom_reaper: reaped process 6772 (syz-executor1), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 278.330966] rsyslogd invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 278.402518] CPU: 1 PID: 1633 Comm: rsyslogd Not tainted 4.14.75+ #18 [ 278.409028] Call Trace: [ 278.411613] dump_stack+0xb9/0x11b [ 278.415151] dump_header+0x17d/0x7a8 [ 278.418860] ? trace_hardirqs_on_caller+0x381/0x520 [ 278.423877] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 278.428984] ? ___ratelimit+0x4f/0x3f0 [ 278.432867] oom_kill_process.cold.8+0x10/0xc88 [ 278.437535] ? lock_downgrade+0x560/0x560 [ 278.441677] ? check_preemption_disabled+0x34/0x160 [ 278.446691] out_of_memory+0x669/0xa60 [ 278.450575] ? oom_killer_disable+0x1f0/0x1f0 [ 278.455071] __alloc_pages_nodemask+0x1949/0x2300 [ 278.459934] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 278.464769] ? find_get_entry+0x118/0x550 [ 278.468920] ? __radix_tree_lookup+0x220/0x220 [ 278.473492] ? check_preemption_disabled+0x34/0x160 [ 278.478503] ? find_get_entry+0x13f/0x550 [ 278.482647] ? pagecache_get_page+0x129/0x770 [ 278.487136] filemap_fault+0xcdd/0x14a0 [ 278.491120] ext4_filemap_fault+0x7d/0xb0 [ 278.495260] __do_fault+0x80/0x210 [ 278.498794] __handle_mm_fault+0xe04/0x23a0 [ 278.503106] ? SyS_read+0x158/0x1a0 [ 278.506725] ? vm_insert_page+0x6d0/0x6d0 [ 278.510865] ? __fsnotify_parent+0xb1/0x300 [ 278.515202] ? check_preemption_disabled+0x34/0x160 [ 278.520216] handle_mm_fault+0x2f2/0x6eb [ 278.524277] __do_page_fault+0x45d/0xb60 [ 278.528332] ? retint_user+0x18/0x18 [ 278.532040] ? bad_area_access_error+0x330/0x330 [ 278.536783] ? page_fault+0x2c/0x50 [ 278.540398] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 278.545237] ? page_fault+0x2c/0x50 [ 278.548854] page_fault+0x42/0x50 [ 278.552301] RIP: 97f919c0:0x7fb39b036040 [ 278.556349] RSP: 1496650:0000000000000000 EFLAGS: 0065e420 [ 279.292508] Mem-Info: [ 279.350779] active_anon:4891 inactive_anon:41 isolated_anon:0 [ 279.350779] active_file:23 inactive_file:1 isolated_file:0 [ 279.350779] unevictable:0 dirty:0 writeback:0 unstable:0 [ 279.350779] slab_reclaimable:6373 slab_unreclaimable:56027 [ 279.350779] mapped:2 shmem:48 pagetables:381 bounce:0 [ 279.350779] free:4779 free_pcp:0 free_cma:0 [ 279.540832] Node 0 active_anon:19564kB inactive_anon:164kB active_file:136kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 279.670070] DMA32 free:15920kB min:4792kB low:7868kB high:10944kB active_anon:276kB inactive_anon:0kB active_file:12kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:192kB pagetables:96kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 279.832491] lowmem_reserve[]: 0 3437 3437 [ 279.836795] Normal free:3196kB min:5480kB low:9000kB high:12520kB active_anon:19288kB inactive_anon:164kB active_file:164kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2944kB pagetables:1428kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 280.002318] lowmem_reserve[]: 0 0 0 [ 280.005996] DMA32: 56*4kB (UME) 32*8kB (UME) 21*16kB (UME) 32*32kB (UME) 18*64kB (UME) 11*128kB (UM) 5*256kB (UM) 4*512kB (UM) 0*1024kB 4*2048kB (UM) 0*4096kB = 15920kB [ 280.143065] Normal: 137*4kB (UME) 93*8kB (UME) 57*16kB (UME) 9*32kB (UME) 1*64kB (U) 1*128kB (U) 2*256kB (UM) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 3196kB [ 280.241491] 93 total pagecache pages [ 280.245240] 0 pages in swap cache [ 280.248685] Swap cache stats: add 0, delete 0, find 0/0 [ 280.322381] Free swap = 0kB [ 280.325436] Total swap = 0kB [ 280.328439] 1965979 pages RAM [ 280.362305] 0 pages HighMem/MovableOnly [ 280.366303] 315630 pages reserved [ 280.369738] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 280.462446] [ 191] 0 191 5385 186 17 3 0 -1000 udevd [ 280.510055] [ 299] 0 299 5384 184 15 3 0 -1000 udevd [ 280.518818] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 280.630775] [ 1630] 0 1630 30622 170 25 3 0 0 rsyslogd [ 280.639825] [ 1684] 0 1684 4725 50 15 3 0 0 cron [ 280.732127] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 280.791538] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 280.860842] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 280.869564] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 280.935834] [ 1828] 0 1828 17821 197 39 3 0 0 sshd [ 280.993394] [ 1830] 0 1830 32811 1757 27 5 0 0 syz-execprog [ 281.071648] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 281.119364] [ 1849] 0 1849 9360 68 6 3 0 0 syz-executor4 [ 281.176721] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 281.230345] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 281.240068] [ 1853] 0 1853 9360 21 6 3 0 0 syz-executor1 [ 281.249568] [ 1854] 0 1854 9360 21 6 3 0 0 syz-executor0 [ 281.350211] [ 4651] 0 4651 9361 15 5 2 0 0 syz-executor2 [ 281.359684] [ 4652] 0 4652 9360 21 6 3 0 0 syz-executor2 [ 281.455091] [ 5224] 0 5224 5365 170 15 3 0 -1000 udevd [ 281.510090] [ 6036] 0 6036 9361 15 5 2 0 0 syz-executor5 [ 281.519559] [ 6037] 0 6037 9360 21 6 3 0 0 syz-executor5 [ 281.620107] [ 6769] 0 6769 9361 16 5 2 0 0 syz-executor3 [ 281.629598] [ 6770] 0 6770 9361 16 5 2 0 0 syz-executor3 [ 281.730097] [ 6772] 0 6771 9426 0 9 4 0 1000 syz-executor1 [ 281.739609] [ 6776] 0 6775 9426 0 9 4 0 1000 syz-executor0 [ 281.830090] [ 6779] 0 6778 9426 0 10 4 0 1000 syz-executor5 [ 281.839578] [ 6782] 0 6780 9426 0 9 4 0 1000 syz-executor2 [ 281.940064] [ 6791] 0 6790 9426 0 9 4 0 1000 syz-executor4 [ 281.949553] [ 6853] 0 6853 1050 127 8 3 0 0 sh [ 282.030089] [ 6854] 0 6854 2102 157 9 3 0 0 ip [ 282.060117] Out of memory: Kill process 1830 (syz-execprog) score 1 or sacrifice child [ 282.068252] Killed process 6769 (syz-executor3) total-vm:37444kB, anon-rss:64kB, file-rss:0kB, shmem-rss:0kB 2018/10/11 19:03:32 executed programs: 92 2018/10/11 19:03:32 result: failed=false hanged=false err=executor 3: EOF 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 [ 284.855739] oom_reaper: reaped process 6916 (syz-executor0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 284.869310] syz-executor0 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=1000 [ 284.883763] CPU: 0 PID: 6916 Comm: syz-executor0 Not tainted 4.14.75+ #18 [ 284.890692] Call Trace: [ 284.893260] dump_stack+0xb9/0x11b [ 284.896804] dump_header+0x17d/0x7a8 [ 284.900503] ? trace_hardirqs_on_caller+0x381/0x520 [ 284.905506] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 284.910589] ? ___ratelimit+0x4f/0x3f0 [ 284.914454] oom_kill_process.cold.8+0x10/0xc88 [ 284.919100] ? lock_downgrade+0x560/0x560 [ 284.923229] ? check_preemption_disabled+0x34/0x160 [ 284.928230] out_of_memory+0x669/0xa60 [ 284.932096] ? oom_killer_disable+0x1f0/0x1f0 [ 284.936575] __alloc_pages_nodemask+0x1949/0x2300 [ 284.941424] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 284.946259] ? trace_hardirqs_on_caller+0x381/0x520 [ 284.951261] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 284.956057] __vmalloc_node_range+0x283/0x680 [ 284.960546] ? SyS_init_module+0x119/0x1e0 [ 284.964766] __vmalloc+0x63/0x80 [ 284.968108] ? SyS_init_module+0x119/0x1e0 [ 284.972332] SyS_init_module+0x119/0x1e0 [ 284.976379] ? load_module+0x9150/0x9150 [ 284.980441] ? do_syscall_64+0x43/0x4b0 [ 284.984412] ? load_module+0x9150/0x9150 [ 284.988461] do_syscall_64+0x19b/0x4b0 [ 284.992345] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 284.997521] RIP: 0033:0x457519 [ 285.000693] RSP: 002b:00007fb266c10c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000af [ 285.008387] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457519 [ 285.015638] RDX: 00000000200000c0 RSI: 00000000fffffc2f RDI: 0000000020000140 [ 285.022895] RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 285.030164] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb266c116d4 [ 285.037421] R13: 00000000004bdd3a R14: 00000000004ce230 R15: 00000000ffffffff [ 285.046648] Mem-Info: [ 285.049068] active_anon:4916 inactive_anon:41 isolated_anon:0 [ 285.049068] active_file:16 inactive_file:32 isolated_file:0 [ 285.049068] unevictable:0 dirty:17 writeback:0 unstable:0 [ 285.049068] slab_reclaimable:6292 slab_unreclaimable:56164 [ 285.049068] mapped:2 shmem:48 pagetables:362 bounce:0 [ 285.049068] free:4615 free_pcp:0 free_cma:0 [ 285.086585] Node 0 active_anon:19664kB inactive_anon:164kB active_file:164kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:68kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 285.119287] DMA32 free:15956kB min:4792kB low:7868kB high:10944kB active_anon:108kB inactive_anon:0kB active_file:8kB inactive_file:4kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:128kB pagetables:28kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 285.153517] lowmem_reserve[]: 0 3437 3437 [ 285.157714] Normal free:2504kB min:5480kB low:9000kB high:12520kB active_anon:19556kB inactive_anon:164kB active_file:72kB inactive_file:136kB unevictable:0kB writepending:68kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2944kB pagetables:1420kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 285.194397] lowmem_reserve[]: 0 0 0 [ 285.198049] DMA32: 41*4kB (ME) 36*8kB (ME) 37*16kB (UME) 34*32kB (ME) 16*64kB (ME) 10*128kB (M) 5*256kB (UM) 4*512kB (UM) 0*1024kB 4*2048kB (UM) 0*4096kB = 15956kB [ 285.220740] Normal: 54*4kB (UE) 48*8kB (UE) 55*16kB (UE) 18*32kB (UE) 3*64kB (U) 0*128kB 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 2504kB [ 285.240657] 103 total pagecache pages [ 285.244492] 0 pages in swap cache [ 285.247936] Swap cache stats: add 0, delete 0, find 0/0 [ 285.258698] Free swap = 0kB [ 285.262536] Total swap = 0kB [ 285.265548] 1965979 pages RAM [ 285.268635] 0 pages HighMem/MovableOnly [ 285.277934] 315630 pages reserved [ 285.282212] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 285.295649] [ 191] 0 191 5385 186 17 3 0 -1000 udevd [ 285.305217] [ 299] 0 299 5384 184 15 3 0 -1000 udevd [ 285.317928] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 285.328306] [ 1630] 0 1630 30622 170 25 3 0 0 rsyslogd [ 285.341751] [ 1684] 0 1684 4725 50 15 3 0 0 cron [ 285.352228] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 285.363518] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 285.374298] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 285.385177] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 285.395454] [ 1828] 0 1828 17821 197 39 3 0 0 sshd [ 285.406339] [ 1830] 0 1830 32811 1759 27 5 0 0 syz-execprog [ 285.417732] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 285.429381] [ 1849] 0 1849 9360 20 6 3 0 0 syz-executor4 [ 285.444078] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 285.454998] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 285.468919] [ 1853] 0 1853 9360 21 6 3 0 0 syz-executor1 [ 285.479294] [ 1854] 0 1854 9360 21 6 3 0 0 syz-executor0 [ 285.494490] [ 4651] 0 4651 9361 15 5 2 0 0 syz-executor2 [ 285.504854] [ 4652] 0 4652 9360 21 6 3 0 0 syz-executor2 [ 285.518228] [ 5224] 0 5224 5365 170 15 3 0 -1000 udevd [ 285.527836] [ 6036] 0 6036 9361 15 5 2 0 0 syz-executor5 [ 285.541489] [ 6037] 0 6037 9360 21 6 3 0 0 syz-executor5 [ 285.552772] [ 6865] 0 6863 9426 28 9 4 0 1000 syz-executor4 [ 285.563711] [ 6866] 0 6866 9361 15 4 2 0 0 syz-executor3 [ 285.574668] [ 6867] 0 6867 9361 15 4 2 0 0 syz-executor3 [ 285.586222] [ 6870] 0 6868 9426 29 9 4 0 1000 syz-executor2 [ 285.597175] [ 6874] 0 6873 9426 29 10 4 0 1000 syz-executor5 [ 285.608123] [ 6882] 0 6880 9426 0 9 4 0 1000 syz-executor0 [ 285.619425] [ 6886] 0 6883 9426 29 9 4 0 1000 syz-executor1 [ 285.633213] Out of memory: Kill process 6873 (syz-executor5) score 999 or sacrifice child [ 285.642342] Killed process 6874 (syz-executor5) total-vm:37704kB, anon-rss:116kB, file-rss:0kB, shmem-rss:0kB [ 285.655546] oom_reaper: reaped process 6874 (syz-executor5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 285.682392] oom_reaper: reaped process 6865 (syz-executor4), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 285.721830] syz-execprog invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 285.803113] CPU: 0 PID: 1832 Comm: syz-execprog Not tainted 4.14.75+ #18 [ 285.809981] Call Trace: [ 285.812570] dump_stack+0xb9/0x11b [ 285.816109] dump_header+0x17d/0x7a8 [ 285.819815] ? trace_hardirqs_on_caller+0x381/0x520 [ 285.824827] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 285.829929] ? ___ratelimit+0x4f/0x3f0 [ 285.833818] oom_kill_process.cold.8+0x10/0xc88 [ 285.838478] ? lock_downgrade+0x560/0x560 [ 285.842622] ? check_preemption_disabled+0x34/0x160 [ 285.848083] out_of_memory+0x669/0xa60 [ 285.851969] ? oom_killer_disable+0x1f0/0x1f0 [ 285.856465] __alloc_pages_nodemask+0x1949/0x2300 [ 285.861319] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 285.866157] ? find_get_entry+0x118/0x550 [ 285.870299] ? __radix_tree_lookup+0x220/0x220 [ 285.874871] ? check_preemption_disabled+0x34/0x160 [ 285.879898] ? find_get_entry+0x13f/0x550 [ 285.884053] ? pagecache_get_page+0x129/0x770 [ 285.888544] filemap_fault+0xcdd/0x14a0 [ 285.892529] ext4_filemap_fault+0x7d/0xb0 [ 285.896665] __do_fault+0x80/0x210 [ 285.900197] __handle_mm_fault+0xe04/0x23a0 [ 285.904513] ? SyS_futex+0x249/0x2b5 [ 285.908216] ? vm_insert_page+0x6d0/0x6d0 [ 285.912353] ? SyS_futex+0x249/0x2b5 [ 285.916079] ? check_preemption_disabled+0x34/0x160 [ 285.921100] handle_mm_fault+0x2f2/0x6eb [ 285.925158] __do_page_fault+0x45d/0xb60 [ 285.929217] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 285.934571] ? bad_area_access_error+0x330/0x330 [ 285.939321] ? page_fault+0x2c/0x50 [ 285.942944] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 285.947779] ? page_fault+0x2c/0x50 [ 285.951402] page_fault+0x42/0x50 [ 285.954849] RIP: 00f1:0x11 [ 285.957681] RSP: 20033fb8:000000c4200216f0 EFLAGS: 00000001 [ 286.590074] Mem-Info: [ 286.598220] active_anon:4878 inactive_anon:41 isolated_anon:0 [ 286.598220] active_file:11 inactive_file:13 isolated_file:42 [ 286.598220] unevictable:0 dirty:17 writeback:0 unstable:0 [ 286.598220] slab_reclaimable:6292 slab_unreclaimable:56164 [ 286.598220] mapped:2 shmem:48 pagetables:362 bounce:0 [ 286.598220] free:5887 free_pcp:117 free_cma:0 [ 286.770062] Node 0 active_anon:19512kB inactive_anon:164kB active_file:144kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):168kB mapped:108kB dirty:68kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 286.890738] DMA32 free:21616kB min:4792kB low:7868kB high:10944kB active_anon:92kB inactive_anon:0kB active_file:0kB inactive_file:112kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:128kB pagetables:28kB bounce:0kB free_pcp:520kB local_pcp:400kB free_cma:0kB [ 286.977514] lowmem_reserve[]: 0 3437 3437 [ 287.000059] Normal free:7224kB min:5480kB low:9000kB high:12520kB active_anon:19420kB inactive_anon:164kB active_file:444kB inactive_file:68kB unevictable:0kB writepending:68kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2944kB pagetables:1420kB bounce:0kB free_pcp:680kB local_pcp:28kB free_cma:0kB [ 287.092701] lowmem_reserve[]: 0 0 0 [ 287.096381] DMA32: 37*4kB (ME) 37*8kB (UME) 39*16kB (UME) 35*32kB (UME) 18*64kB (UME) 11*128kB (UM) 5*256kB (UM) 3*512kB (M) 3*1024kB (U) 4*2048kB (UM) 0*4096kB = 18828kB [ 287.150688] Normal: 55*4kB (UME) 42*8kB (ME) 53*16kB (UME) 18*32kB (ME) 3*64kB (M) 22*128kB (U) 2*256kB (UM) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5500kB [ 287.220839] 90 total pagecache pages [ 287.224614] 0 pages in swap cache [ 287.228052] Swap cache stats: add 0, delete 0, find 0/0 [ 287.280675] Free swap = 0kB [ 287.283723] Total swap = 0kB [ 287.286757] 1965979 pages RAM [ 287.322877] 0 pages HighMem/MovableOnly [ 287.326888] 315630 pages reserved [ 287.390388] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 287.399100] [ 191] 0 191 5385 186 17 3 0 -1000 udevd [ 287.460055] [ 299] 0 299 5384 184 15 3 0 -1000 udevd [ 287.468822] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 287.551349] [ 1630] 0 1630 30622 170 25 3 0 0 rsyslogd [ 287.585772] [ 1684] 0 1684 4725 50 15 3 0 0 cron [ 287.631132] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 287.673225] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 287.700051] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 287.708735] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 287.780068] [ 1828] 0 1828 17821 197 39 3 0 0 sshd [ 287.788755] [ 1830] 0 1830 32811 1759 27 5 0 0 syz-execprog [ 287.880060] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 287.889617] [ 1849] 0 1849 9360 20 6 3 0 0 syz-executor4 [ 287.950078] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 287.959588] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 288.050058] [ 1853] 0 1853 9360 21 6 3 0 0 syz-executor1 [ 288.059538] [ 1854] 0 1854 9360 21 6 3 0 0 syz-executor0 [ 288.100057] [ 4651] 0 4651 9361 15 5 2 0 0 syz-executor2 [ 288.109534] [ 4652] 0 4652 9360 21 6 3 0 0 syz-executor2 [ 288.150055] [ 5224] 0 5224 5365 170 15 3 0 -1000 udevd [ 288.158842] [ 6036] 0 6036 9361 15 5 2 0 0 syz-executor5 [ 288.320088] [ 6037] 0 6037 9360 21 6 3 0 0 syz-executor5 [ 288.329688] [ 6865] 0 6863 9426 0 9 4 0 1000 syz-executor4 [ 288.403257] [ 6866] 0 6866 9361 15 4 2 0 0 syz-executor3 [ 288.435131] [ 6867] 0 6867 9361 15 4 2 0 0 syz-executor3 [ 288.470053] [ 6870] 0 6868 9426 29 9 4 0 1000 syz-executor2 [ 288.479515] [ 6874] 0 6873 9426 0 10 4 0 1000 syz-executor5 [ 288.540061] [ 6886] 0 6883 9426 29 9 4 0 1000 syz-executor1 [ 288.549535] [ 6925] 0 6925 1050 168 8 3 0 0 sh [ 288.640062] [ 6926] 0 6926 2102 163 9 3 0 0 ip [ 288.648719] [ 6927] 0 6927 635 57 6 3 0 0 modprobe [ 288.690168] Out of memory: Kill process 6868 (syz-executor2) score 999 or sacrifice child [ 288.698620] Killed process 6870 (syz-executor2) total-vm:37704kB, anon-rss:116kB, file-rss:0kB, shmem-rss:0kB [ 288.751033] oom_reaper: reaped process 6870 (syz-executor2), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB 2018/10/11 19:03:39 executed programs: 98 [ 289.406780] syz-executor3 invoked oom-killer: gfp_mask=0x15080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null), order=3, oom_score_adj=0 [ 289.460198] CPU: 1 PID: 6867 Comm: syz-executor3 Not tainted 4.14.75+ #18 [ 289.467200] Call Trace: [ 289.469785] dump_stack+0xb9/0x11b [ 289.473321] dump_header+0x17d/0x7a8 [ 289.477026] ? trace_hardirqs_on_caller+0x381/0x520 [ 289.482035] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 289.487130] ? ___ratelimit+0x4f/0x3f0 [ 289.491021] oom_kill_process.cold.8+0x10/0xc88 [ 289.495685] ? lock_downgrade+0x560/0x560 [ 289.499833] ? check_preemption_disabled+0x34/0x160 [ 289.504844] out_of_memory+0x669/0xa60 [ 289.508724] ? oom_killer_disable+0x1f0/0x1f0 [ 289.513317] __alloc_pages_nodemask+0x1949/0x2300 [ 289.518176] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 289.523019] ? ___slab_alloc.constprop.35+0x1b6/0x480 [ 289.528202] ? copy_process.part.6+0x1435/0x6530 [ 289.532971] ? rcu_read_lock_sched_held+0x102/0x120 [ 289.537980] copy_process.part.6+0x267/0x6530 [ 289.542484] ? trace_hardirqs_on+0x10/0x10 [ 289.546719] ? __handle_mm_fault+0x15cc/0x23a0 [ 289.551291] ? lock_downgrade+0x560/0x560 [ 289.555439] ? __set_current_blocked+0xca/0x100 [ 289.560107] ? __cleanup_sighand+0x40/0x40 [ 289.564348] ? __might_fault+0x104/0x1b0 [ 289.568427] ? lock_downgrade+0x560/0x560 [ 289.572567] ? lock_acquire+0x10f/0x380 [ 289.576530] ? __might_fault+0xd4/0x1b0 [ 289.580502] _do_fork+0x1c2/0xd50 [ 289.583950] ? fork_idle+0x250/0x250 [ 289.587665] ? do_syscall_64+0x43/0x4b0 [ 289.591627] ? sys_vfork+0x20/0x20 [ 289.595154] do_syscall_64+0x19b/0x4b0 [ 289.599034] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 289.604206] RIP: 0033:0x421239 [ 289.607383] RSP: 002b:00007ffc524c2d30 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 289.615113] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000421239 [ 289.622367] RDX: 00007ffc524c2d3c RSI: 0000000000000000 RDI: 0000000000100011 [ 289.629627] RBP: 00007ffc524c2ee0 R08: 0000000000a44a80 R09: 000000000000003f [ 289.636890] R10: 0000000000000008 R11: 0000000000000246 R12: 00007ffc524c30c0 [ 289.644148] R13: 00007ffc524c3088 R14: 0000000000000000 R15: 0000000000000000 [ 290.067582] Mem-Info: [ 290.072848] active_anon:4882 inactive_anon:41 isolated_anon:0 [ 290.072848] active_file:15 inactive_file:0 isolated_file:0 [ 290.072848] unevictable:0 dirty:6 writeback:0 unstable:0 [ 290.072848] slab_reclaimable:6192 slab_unreclaimable:56131 [ 290.072848] mapped:24 shmem:48 pagetables:367 bounce:0 [ 290.072848] free:5937 free_pcp:0 free_cma:0 [ 290.170063] Node 0 active_anon:19516kB inactive_anon:164kB active_file:108kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:228kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 290.261331] DMA32 free:18116kB min:4792kB low:7868kB high:10944kB active_anon:100kB inactive_anon:0kB active_file:4kB inactive_file:148kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:64kB pagetables:28kB bounce:0kB free_pcp:324kB local_pcp:120kB free_cma:0kB [ 290.321381] lowmem_reserve[]: 0 3437 3437 [ 290.325577] Normal free:5032kB min:5480kB low:9000kB high:12520kB active_anon:19416kB inactive_anon:164kB active_file:12kB inactive_file:112kB unevictable:0kB writepending:0kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2944kB pagetables:1420kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 290.390046] lowmem_reserve[]: 0 0 0 [ 290.393701] DMA32: 45*4kB (UME) 43*8kB (UME) 47*16kB (UME) 37*32kB (UME) 14*64kB (UME) 10*128kB (ME) 6*256kB (UM) 3*512kB (M) 0*1024kB 5*2048kB (UM) 0*4096kB = 17948kB [ 290.431295] Normal: 87*4kB (UMEH) 46*8kB (UME) 30*16kB (UE) 5*32kB (UE) 1*64kB (U) 0*128kB 3*256kB (U) 6*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 5260kB [ 290.460671] 106 total pagecache pages [ 290.464483] 0 pages in swap cache [ 290.467924] Swap cache stats: add 0, delete 0, find 0/0 [ 290.490666] Free swap = 0kB [ 290.493682] Total swap = 0kB [ 290.496685] 1965979 pages RAM [ 290.499788] 0 pages HighMem/MovableOnly [ 290.520787] 315630 pages reserved [ 290.524260] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 290.552173] [ 191] 0 191 5385 186 17 3 0 -1000 udevd [ 290.570741] [ 299] 0 299 5384 184 15 3 0 -1000 udevd [ 290.579495] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 290.610687] [ 1630] 0 1630 30622 171 25 3 0 0 rsyslogd [ 290.619706] [ 1684] 0 1684 4725 50 15 3 0 0 cron [ 290.652776] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 290.672598] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 290.692661] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 290.712816] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 290.722295] [ 1828] 0 1828 17821 197 39 3 0 0 sshd [ 290.733517] [ 1830] 0 1830 32811 1759 27 5 0 0 syz-execprog [ 290.743590] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 290.755728] [ 1849] 0 1849 9360 20 6 3 0 0 syz-executor4 [ 290.766496] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 290.778609] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 290.788745] [ 1853] 0 1853 9360 21 6 3 0 0 syz-executor1 [ 290.801586] [ 1854] 0 1854 9360 21 6 3 0 0 syz-executor0 [ 290.812370] [ 4651] 0 4651 9361 15 5 2 0 0 syz-executor2 [ 290.823775] [ 4652] 0 4652 9360 21 6 3 0 0 syz-executor2 [ 290.834572] [ 5224] 0 5224 5365 170 15 3 0 -1000 udevd [ 290.845373] [ 6036] 0 6036 9361 15 5 2 0 0 syz-executor5 [ 290.903990] [ 6037] 0 6037 9360 21 6 3 0 0 syz-executor5 [ 290.930059] [ 6866] 0 6866 9361 15 4 2 0 0 syz-executor3 [ 290.939628] [ 6867] 0 6867 9361 15 4 2 0 0 syz-executor3 [ 290.981026] [ 6870] 0 6868 9426 0 9 4 0 1000 syz-executor2 [ 290.995428] [ 6886] 0 6883 9426 29 9 4 0 1000 syz-executor1 [ 291.030057] [ 6932] 0 6930 9426 29 9 4 0 1000 syz-executor0 [ 291.039544] Out of memory: Kill process 6883 (syz-executor1) score 999 or sacrifice child [ 291.078315] Killed process 6886 (syz-executor1) total-vm:37704kB, anon-rss:116kB, file-rss:0kB, shmem-rss:0kB [ 291.121627] oom_reaper: reaped process 6886 (syz-executor1), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 291.391950] syz-executor4 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=1000 [ 291.427952] CPU: 1 PID: 6946 Comm: syz-executor4 Not tainted 4.14.75+ #18 [ 291.434908] Call Trace: [ 291.437492] dump_stack+0xb9/0x11b [ 291.441034] dump_header+0x17d/0x7a8 [ 291.444741] ? trace_hardirqs_on_caller+0x381/0x520 [ 291.449748] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 291.454843] ? ___ratelimit+0x4f/0x3f0 [ 291.458728] oom_kill_process.cold.8+0x10/0xc88 [ 291.463393] ? lock_downgrade+0x560/0x560 [ 291.467547] ? check_preemption_disabled+0x34/0x160 [ 291.472560] out_of_memory+0x669/0xa60 [ 291.476444] ? oom_killer_disable+0x1f0/0x1f0 [ 291.480954] __alloc_pages_nodemask+0x1949/0x2300 [ 291.486158] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 291.490998] ? trace_hardirqs_on_caller+0x381/0x520 [ 291.496018] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 291.500807] __vmalloc_node_range+0x283/0x680 [ 291.505301] ? SyS_init_module+0x119/0x1e0 [ 291.509527] __vmalloc+0x63/0x80 [ 291.512903] ? SyS_init_module+0x119/0x1e0 [ 291.517137] SyS_init_module+0x119/0x1e0 [ 291.521194] ? load_module+0x9150/0x9150 [ 291.525266] ? do_syscall_64+0x43/0x4b0 [ 291.529233] ? load_module+0x9150/0x9150 [ 291.533287] do_syscall_64+0x19b/0x4b0 [ 291.537183] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 291.542367] RIP: 0033:0x457519 [ 291.545562] RSP: 002b:00007f2ad4bafc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000af [ 291.553278] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457519 [ 291.560548] RDX: 00000000200000c0 RSI: 00000000fffffc2f RDI: 0000000020000140 [ 291.567820] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 291.575082] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2ad4bb06d4 [ 291.582341] R13: 00000000004bdd3a R14: 00000000004ce230 R15: 00000000ffffffff [ 291.810052] Mem-Info: [ 291.820116] active_anon:4905 inactive_anon:41 isolated_anon:0 [ 291.820116] active_file:354 inactive_file:401 isolated_file:0 [ 291.820116] unevictable:0 dirty:0 writeback:0 unstable:0 [ 291.820116] slab_reclaimable:6170 slab_unreclaimable:56055 [ 291.820116] mapped:593 shmem:48 pagetables:402 bounce:0 [ 291.820116] free:53485 free_pcp:580 free_cma:0 [ 291.900073] Node 0 active_anon:19720kB inactive_anon:164kB active_file:2200kB inactive_file:1604kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:2472kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 292.009065] DMA32 free:113880kB min:4792kB low:7868kB high:10944kB active_anon:300kB inactive_anon:0kB active_file:1088kB inactive_file:420kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:256kB pagetables:176kB bounce:0kB free_pcp:92kB local_pcp:92kB free_cma:0kB [ 292.160046] lowmem_reserve[]: 0 3437 3437 [ 292.164261] Normal free:35936kB min:5480kB low:9000kB high:12520kB active_anon:19408kB inactive_anon:156kB active_file:700kB inactive_file:1264kB unevictable:0kB writepending:4kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2880kB pagetables:1368kB bounce:0kB free_pcp:740kB local_pcp:112kB free_cma:0kB [ 292.310199] lowmem_reserve[]: 0 0 0 [ 292.313875] DMA32: 137*4kB (UME) 123*8kB (UME) 137*16kB (UME) 102*32kB (UME) 150*64kB (UME) 46*128kB (UME) 8*256kB (UM) 3*512kB (M) 2*1024kB (U) 4*2048kB (UM) 0*4096kB = 36300kB [ 292.360063] Normal: 83*4kB (UMEH) 64*8kB (UMEH) 534*16kB (UH) 50*32kB (UH) 87*64kB (UH) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 16812kB [ 292.392123] 108 total pagecache pages [ 292.395948] 0 pages in swap cache [ 292.399395] Swap cache stats: add 0, delete 0, find 0/0 [ 292.420041] Free swap = 0kB [ 292.423064] Total swap = 0kB [ 292.426075] 1965979 pages RAM [ 292.429163] 0 pages HighMem/MovableOnly [ 292.450049] 315630 pages reserved [ 292.453503] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 292.480065] [ 191] 0 191 5385 185 17 3 0 -1000 udevd [ 292.488822] [ 299] 0 299 5384 184 15 3 0 -1000 udevd [ 292.560058] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 292.569105] [ 1630] 0 1630 30622 171 25 3 0 0 rsyslogd [ 292.590051] [ 1684] 0 1684 4725 50 15 3 0 0 cron [ 292.598722] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 292.630059] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 292.639346] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 292.664734] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 292.673952] [ 1828] 0 1828 17821 197 39 3 0 0 sshd [ 292.700228] [ 1830] 0 1830 32811 1759 27 5 0 0 syz-execprog [ 292.709591] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 292.750753] [ 1849] 0 1849 9360 20 6 3 0 0 syz-executor4 [ 292.760251] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 292.769691] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 292.780085] [ 1853] 0 1853 9360 21 6 3 0 0 syz-executor1 [ 292.789538] [ 1854] 0 1854 9360 21 6 3 0 0 syz-executor0 [ 292.809269] [ 4651] 0 4651 9361 15 5 2 0 0 syz-executor2 [ 292.818908] [ 4652] 0 4652 9360 21 6 3 0 0 syz-executor2 [ 292.828516] [ 5224] 0 5224 5365 170 15 3 0 -1000 udevd [ 292.837451] [ 6036] 0 6036 9361 15 5 2 0 0 syz-executor5 [ 292.846944] [ 6037] 0 6037 9360 21 6 3 0 0 syz-executor5 [ 292.856749] [ 6866] 0 6866 9361 15 4 2 0 0 syz-executor3 [ 292.866226] [ 6867] 0 6867 9361 15 4 2 0 0 syz-executor3 [ 292.875669] [ 6886] 0 6883 9426 0 9 4 0 1000 syz-executor1 [ 292.885437] [ 6932] 0 6930 9426 29 9 4 0 1000 syz-executor0 [ 292.894888] [ 6946] 0 6942 9426 28 9 4 0 1000 syz-executor4 [ 292.904351] [ 6947] 0 6943 9426 29 10 4 0 1000 syz-executor5 [ 292.913789] [ 6959] 0 6959 63 1 1 1 0 0 sh [ 292.922438] Out of memory: Kill process 6930 (syz-executor0) score 999 or sacrifice child [ 292.930772] Killed process 6932 (syz-executor0) total-vm:37704kB, anon-rss:116kB, file-rss:0kB, shmem-rss:0kB [ 292.945388] oom_reaper: reaped process 6932 (syz-executor0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 292.961794] oom_reaper: reaped process 6947 (syz-executor5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 292.980275] syz-executor0 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=1000 [ 292.993956] CPU: 0 PID: 6932 Comm: syz-executor0 Not tainted 4.14.75+ #18 [ 293.000867] Call Trace: [ 293.003460] dump_stack+0xb9/0x11b [ 293.006998] dump_header+0x17d/0x7a8 [ 293.010702] ? trace_hardirqs_on_caller+0x381/0x520 [ 293.015711] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 293.020801] ? ___ratelimit+0x4f/0x3f0 [ 293.024685] oom_kill_process.cold.8+0x10/0xc88 [ 293.029347] ? lock_downgrade+0x560/0x560 [ 293.033493] ? check_preemption_disabled+0x34/0x160 [ 293.038503] out_of_memory+0x669/0xa60 [ 293.042385] ? oom_killer_disable+0x1f0/0x1f0 [ 293.046891] __alloc_pages_nodemask+0x1949/0x2300 [ 293.051758] ? retint_kernel+0x2d/0x2d [ 293.055650] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 293.060481] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 293.065240] ? retint_kernel+0x2d/0x2d [ 293.069153] __vmalloc_node_range+0x283/0x680 [ 293.073652] ? SyS_init_module+0x119/0x1e0 [ 293.077890] __vmalloc+0x63/0x80 [ 293.081262] ? SyS_init_module+0x119/0x1e0 [ 293.085489] SyS_init_module+0x119/0x1e0 [ 293.089543] ? load_module+0x9150/0x9150 [ 293.093639] ? do_syscall_64+0x43/0x4b0 [ 293.097599] ? load_module+0x9150/0x9150 [ 293.101650] do_syscall_64+0x19b/0x4b0 [ 293.105536] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 293.110716] RIP: 0033:0x457519 [ 293.113897] RSP: 002b:00007fb266c31c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000af [ 293.121603] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457519 [ 293.128862] RDX: 00000000200000c0 RSI: 00000000fffffc2f RDI: 0000000020000140 [ 293.136126] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 293.143384] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb266c326d4 [ 293.150641] R13: 00000000004bdd3a R14: 00000000004ce230 R15: 00000000ffffffff [ 293.159348] Mem-Info: [ 293.161812] active_anon:4861 inactive_anon:41 isolated_anon:0 [ 293.161812] active_file:19 inactive_file:24 isolated_file:0 [ 293.161812] unevictable:0 dirty:0 writeback:0 unstable:0 [ 293.161812] slab_reclaimable:6168 slab_unreclaimable:55972 [ 293.161812] mapped:2 shmem:48 pagetables:354 bounce:0 [ 293.161812] free:4585 free_pcp:0 free_cma:0 [ 293.207895] Node 0 active_anon:19444kB inactive_anon:164kB active_file:160kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 293.260105] DMA32 free:15604kB min:4792kB low:7868kB high:10944kB active_anon:140kB inactive_anon:8kB active_file:20kB inactive_file:16kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:224kB pagetables:84kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 293.321427] lowmem_reserve[]: 0 3437 3437 [ 293.325622] Normal free:2736kB min:5480kB low:9000kB high:12520kB active_anon:19304kB inactive_anon:156kB active_file:56kB inactive_file:80kB unevictable:0kB writepending:0kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2816kB pagetables:1332kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 293.391635] lowmem_reserve[]: 0 0 0 [ 293.395293] DMA32: 51*4kB (ME) 45*8kB (UME) 46*16kB (ME) 37*32kB (UME) 17*64kB (UME) 8*128kB (UME) 5*256kB (M) 3*512kB (M) 0*1024kB 4*2048kB (UM) 0*4096kB = 15604kB [ 293.440048] Normal: 30*4kB (UM) 17*8kB (U) 25*16kB (U) 23*32kB (U) 13*64kB (U) 2*128kB (U) 1*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 2736kB [ 293.480058] 91 total pagecache pages [ 293.483774] 0 pages in swap cache [ 293.487216] Swap cache stats: add 0, delete 0, find 0/0 [ 293.520043] Free swap = 0kB [ 293.523065] Total swap = 0kB [ 293.526081] 1965979 pages RAM [ 293.529170] 0 pages HighMem/MovableOnly [ 293.571535] 315630 pages reserved [ 293.575007] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 293.611566] [ 191] 0 191 5385 185 17 3 0 -1000 udevd [ 293.640063] [ 299] 0 299 5384 184 15 3 0 -1000 udevd [ 293.648827] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 293.700056] [ 1630] 0 1630 30622 171 25 3 0 0 rsyslogd [ 293.709093] [ 1684] 0 1684 4725 50 15 3 0 0 cron [ 293.760058] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 293.769187] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 293.820826] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 293.829528] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 293.880761] [ 1828] 0 1828 17821 197 39 3 0 0 sshd [ 293.889471] [ 1830] 0 1830 32811 1759 27 5 0 0 syz-execprog [ 293.941427] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 293.970812] [ 1849] 0 1849 9360 20 6 3 0 0 syz-executor4 [ 294.001457] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 294.030802] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 294.070847] [ 1853] 0 1853 9360 21 6 3 0 0 syz-executor1 [ 294.101527] [ 1854] 0 1854 9360 21 6 3 0 0 syz-executor0 [ 294.130849] [ 4651] 0 4651 9361 15 5 2 0 0 syz-executor2 [ 294.170806] [ 4652] 0 4652 9360 21 6 3 0 0 syz-executor2 [ 294.201570] [ 5224] 0 5224 5365 170 15 3 0 -1000 udevd [ 294.230828] [ 6036] 0 6036 9361 15 5 2 0 0 syz-executor5 [ 294.262852] [ 6037] 0 6037 9360 21 6 3 0 0 syz-executor5 [ 294.290050] [ 6866] 0 6866 9361 15 4 2 0 0 syz-executor3 [ 294.299526] [ 6867] 0 6867 9361 15 4 2 0 0 syz-executor3 [ 294.328512] [ 6886] 0 6883 9426 0 9 4 0 1000 syz-executor1 2018/10/11 19:03:44 executed programs: 101 [ 294.410553] [ 6932] 0 6930 9426 0 9 4 0 1000 syz-executor0 [ 294.471073] [ 6946] 0 6942 9426 28 9 4 0 1000 syz-executor4 [ 294.523312] [ 6947] 0 6943 9426 0 10 4 0 1000 syz-executor5 [ 294.569152] [ 6959] 0 6959 1050 88 7 4 0 0 sh [ 294.596356] [ 6960] 0 6960 639 43 5 3 0 -1000 blkid [ 294.624806] [ 6961] 0 6961 9393 21 9 4 0 1000 syz-executor2 [ 294.668301] Out of memory: Kill process 6942 (syz-executor4) score 999 or sacrifice child [ 294.730762] Killed process 6946 (syz-executor4) total-vm:37704kB, anon-rss:112kB, file-rss:0kB, shmem-rss:0kB [ 294.774584] oom_reaper: reaped process 6946 (syz-executor4), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 294.862754] ip invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 294.914085] CPU: 1 PID: 6963 Comm: ip Not tainted 4.14.75+ #18 [ 294.920072] Call Trace: [ 294.922658] dump_stack+0xb9/0x11b [ 294.926196] dump_header+0x17d/0x7a8 [ 294.929909] ? trace_hardirqs_on_caller+0x381/0x520 [ 294.934920] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 294.940018] ? ___ratelimit+0x4f/0x3f0 [ 294.943916] oom_kill_process.cold.8+0x10/0xc88 [ 294.948697] ? lock_downgrade+0x560/0x560 [ 294.952845] ? check_preemption_disabled+0x34/0x160 [ 294.957863] out_of_memory+0x669/0xa60 [ 294.961757] ? oom_killer_disable+0x1f0/0x1f0 [ 294.966255] __alloc_pages_nodemask+0x1949/0x2300 [ 294.971110] ? __schedule+0x731/0x1ed0 [ 294.974993] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 294.979832] ? trace_hardirqs_on+0x10/0x10 [ 294.984068] ? reacquire_held_locks+0xb5/0x3e0 [ 294.988639] ? alloc_set_pte+0x81b/0xd40 [ 294.992712] wp_page_copy+0x16d/0x13e0 [ 294.996594] ? do_wp_page+0x244/0x1880 [ 295.000473] ? add_mm_counter_fast+0xb0/0xb0 [ 295.004875] ? __lock_acquire+0x619/0x4320 [ 295.009116] do_wp_page+0x24c/0x1880 [ 295.012825] ? finish_mkwrite_fault+0x4e0/0x4e0 [ 295.017485] ? __handle_mm_fault+0x796/0x23a0 [ 295.021968] ? trace_hardirqs_on+0x10/0x10 [ 295.026205] __handle_mm_fault+0xd9e/0x23a0 [ 295.030519] ? vm_insert_page+0x6d0/0x6d0 [ 295.034660] ? do_mmap+0x5ae/0xb80 [ 295.038202] ? check_preemption_disabled+0x34/0x160 [ 295.043214] handle_mm_fault+0x2f2/0x6eb [ 295.047265] __do_page_fault+0x45d/0xb60 [ 295.051318] ? retint_user+0x18/0x18 [ 295.055020] ? bad_area_access_error+0x330/0x330 [ 295.059761] ? page_fault+0x2c/0x50 [ 295.063375] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 295.068212] ? page_fault+0x2c/0x50 [ 295.071830] page_fault+0x42/0x50 [ 295.075269] RIP: bf8cb220:0x7fa6bf8c5748 [ 295.079313] RSP: c026c000:00007fffcf62f940 EFLAGS: 7fa6bf8ad000 [ 295.783673] Mem-Info: [ 295.827254] active_anon:4899 inactive_anon:41 isolated_anon:0 [ 295.827254] active_file:64 inactive_file:537 isolated_file:0 [ 295.827254] unevictable:0 dirty:1 writeback:0 unstable:0 [ 295.827254] slab_reclaimable:6180 slab_unreclaimable:55903 [ 295.827254] mapped:377 shmem:48 pagetables:378 bounce:0 [ 295.827254] free:28000 free_pcp:378 free_cma:0 [ 295.996688] Node 0 active_anon:19596kB inactive_anon:164kB active_file:256kB inactive_file:2148kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:1508kB dirty:4kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 296.114693] DMA32 free:389100kB min:4792kB low:7868kB high:10944kB active_anon:240kB inactive_anon:12kB active_file:208kB inactive_file:2012kB unevictable:0kB writepending:24kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:256kB pagetables:116kB bounce:0kB free_pcp:1428kB local_pcp:736kB free_cma:0kB [ 296.261160] lowmem_reserve[]: 0 3437 3437 [ 296.282900] Normal free:23824kB min:5480kB low:9000kB high:12520kB active_anon:19372kB inactive_anon:152kB active_file:100kB inactive_file:196kB unevictable:0kB writepending:4kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2848kB pagetables:1396kB bounce:0kB free_pcp:708kB local_pcp:88kB free_cma:0kB [ 296.398366] lowmem_reserve[]: 0 0 0 [ 296.414139] DMA32: 62*4kB (UME) 192*8kB (UE) 2249*16kB (UME) 4983*32kB (UE) 4001*64kB (UME) 457*128kB (UME) 122*256kB (UM) 36*512kB (UM) 6*1024kB (U) 4*2048kB (UM) 0*4096kB = 575784kB [ 296.489794] Normal: 15*4kB (ME) 30*8kB (UME) 33*16kB (ME) 443*32kB (UME) 41*64kB (UME) 33*128kB (UM) 8*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 23900kB [ 296.570048] 680 total pagecache pages [ 296.573890] 0 pages in swap cache [ 296.577335] Swap cache stats: add 0, delete 0, find 0/0 [ 296.640072] Free swap = 0kB [ 296.643159] Total swap = 0kB [ 296.646164] 1965979 pages RAM [ 296.649252] 0 pages HighMem/MovableOnly [ 296.686829] 315630 pages reserved [ 296.702871] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 296.738954] [ 191] 0 191 5385 185 17 3 0 -1000 udevd [ 296.775066] [ 299] 0 299 5384 184 15 3 0 -1000 udevd [ 296.813346] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 296.849689] [ 1630] 0 1630 30622 171 25 3 0 0 rsyslogd [ 296.887178] [ 1684] 0 1684 4725 50 15 3 0 0 cron [ 296.923514] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 296.962831] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 297.000683] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 297.036682] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 297.072777] [ 1828] 0 1828 17821 197 39 3 0 0 sshd [ 297.109712] [ 1830] 0 1830 32811 1759 27 5 0 0 syz-execprog [ 297.147716] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 297.186702] [ 1849] 0 1849 9360 20 6 3 0 0 syz-executor4 [ 297.227239] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 297.266309] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 297.305542] [ 1853] 0 1853 9360 21 6 3 0 0 syz-executor1 [ 297.344584] [ 1854] 0 1854 9360 21 6 3 0 0 syz-executor0 [ 297.384694] [ 4651] 0 4651 9361 15 5 2 0 0 syz-executor2 [ 297.423738] [ 4652] 0 4652 9360 21 6 3 0 0 syz-executor2 [ 297.463946] [ 5224] 0 5224 5365 170 15 3 0 -1000 udevd [ 297.500645] [ 6036] 0 6036 9361 15 5 2 0 0 syz-executor5 [ 297.539585] [ 6037] 0 6037 9360 21 6 3 0 0 syz-executor5 [ 297.590062] [ 6866] 0 6866 9361 15 4 2 0 0 syz-executor3 [ 297.599535] [ 6867] 0 6867 9361 15 4 2 0 0 syz-executor3 [ 297.660054] [ 6886] 0 6883 9426 0 9 4 0 1000 syz-executor1 [ 297.669534] [ 6932] 0 6930 9426 0 9 4 0 1000 syz-executor0 [ 297.750064] [ 6946] 0 6942 9426 0 9 4 0 1000 syz-executor4 [ 297.759555] [ 6959] 0 6959 1050 17 8 4 0 0 sh [ 297.820058] [ 6962] 0 6961 9426 29 9 4 0 1000 syz-executor2 [ 297.829539] [ 6963] 0 6963 2106 16 8 4 0 0 ip [ 297.890055] Out of memory: Kill process 6961 (syz-executor2) score 999 or sacrifice child [ 297.898413] Killed process 6962 (syz-executor2) total-vm:37704kB, anon-rss:116kB, file-rss:0kB, shmem-rss:0kB [ 297.991446] oom_reaper: reaped process 6962 (syz-executor2), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 299.122966] syz-executor1 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=1000 [ 299.136956] CPU: 1 PID: 7006 Comm: syz-executor1 Not tainted 4.14.75+ #18 [ 299.143886] Call Trace: [ 299.146481] dump_stack+0xb9/0x11b [ 299.150013] dump_header+0x17d/0x7a8 [ 299.153735] ? trace_hardirqs_on_caller+0x381/0x520 [ 299.158738] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 299.163826] ? ___ratelimit+0x4f/0x3f0 [ 299.167704] oom_kill_process.cold.8+0x10/0xc88 [ 299.172361] ? lock_downgrade+0x560/0x560 [ 299.176502] ? check_preemption_disabled+0x34/0x160 [ 299.181514] out_of_memory+0x669/0xa60 [ 299.185390] ? oom_killer_disable+0x1f0/0x1f0 [ 299.189894] __alloc_pages_nodemask+0x1949/0x2300 [ 299.194741] ? retint_kernel+0x2d/0x2d [ 299.198614] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 299.203443] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 299.208189] ? retint_kernel+0x2d/0x2d [ 299.212090] __vmalloc_node_range+0x283/0x680 [ 299.216580] ? SyS_init_module+0x119/0x1e0 [ 299.220803] __vmalloc+0x63/0x80 [ 299.224156] ? SyS_init_module+0x119/0x1e0 [ 299.228376] SyS_init_module+0x119/0x1e0 [ 299.232426] ? load_module+0x9150/0x9150 [ 299.236491] ? do_syscall_64+0x43/0x4b0 [ 299.240453] ? load_module+0x9150/0x9150 [ 299.244507] do_syscall_64+0x19b/0x4b0 [ 299.248390] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 299.253589] RIP: 0033:0x457519 [ 299.256766] RSP: 002b:00007f3135757c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000af [ 299.264463] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457519 [ 299.271728] RDX: 00000000200000c0 RSI: 00000000fffffc2f RDI: 0000000020000140 [ 299.278980] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 299.286236] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f31357586d4 [ 299.293496] R13: 00000000004bdd3a R14: 00000000004ce230 R15: 00000000ffffffff [ 299.305305] Mem-Info: [ 299.307913] active_anon:4959 inactive_anon:40 isolated_anon:0 [ 299.307913] active_file:196 inactive_file:208 isolated_file:32 [ 299.307913] unevictable:0 dirty:16 writeback:0 unstable:0 [ 299.307913] slab_reclaimable:6197 slab_unreclaimable:56075 [ 299.307913] mapped:372 shmem:48 pagetables:359 bounce:0 [ 299.307913] free:4862 free_pcp:120 free_cma:0 [ 299.341360] Node 0 active_anon:19836kB inactive_anon:160kB active_file:784kB inactive_file:832kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:1388kB dirty:64kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 299.364378] DMA32 free:16940kB min:4792kB low:7868kB high:10944kB active_anon:452kB inactive_anon:8kB active_file:564kB inactive_file:560kB unevictable:0kB writepending:40kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:256kB pagetables:88kB bounce:0kB free_pcp:4kB local_pcp:0kB free_cma:0kB [ 299.391833] lowmem_reserve[]: 0 3437 3437 [ 299.396168] Normal free:3012kB min:5480kB low:9000kB high:12520kB active_anon:19384kB inactive_anon:152kB active_file:728kB inactive_file:968kB unevictable:0kB writepending:24kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2816kB pagetables:1348kB bounce:0kB free_pcp:356kB local_pcp:0kB free_cma:0kB [ 299.425869] lowmem_reserve[]: 0 0 0 [ 299.429664] DMA32: 87*4kB (ME) 76*8kB (ME) 62*16kB (UME) 37*32kB (UME) 14*64kB (ME) 4*128kB (ME) 3*256kB (UM) 3*512kB (M) 1*1024kB (U) 4*2048kB (UM) 0*4096kB = 16060kB [ 299.445099] Normal: 62*4kB (M) 58*8kB (UM) 45*16kB (UM) 28*32kB (UM) 8*64kB (UM) 1*128kB (M) 1*256kB (M) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 3224kB [ 299.458815] 267 total pagecache pages [ 299.464370] 0 pages in swap cache [ 299.467919] Swap cache stats: add 0, delete 0, find 0/0 [ 299.477605] Free swap = 0kB [ 299.482078] Total swap = 0kB [ 299.485526] 1965979 pages RAM [ 299.488626] 0 pages HighMem/MovableOnly [ 299.493457] 315630 pages reserved [ 299.496921] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 299.506097] [ 191] 0 191 5385 187 17 3 0 -1000 udevd [ 299.515305] [ 299] 0 299 5384 184 15 3 0 -1000 udevd [ 299.524527] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 299.534005] [ 1630] 0 1630 30622 171 25 3 0 0 rsyslogd [ 299.543771] [ 1684] 0 1684 4725 50 15 3 0 0 cron [ 299.553042] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 299.570795] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 299.582082] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 299.591511] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 299.602235] [ 1828] 0 1828 17821 197 39 3 0 0 sshd [ 299.611650] [ 1830] 0 1830 32811 1759 27 5 0 0 syz-execprog [ 299.624354] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 299.634592] [ 1849] 0 1849 9360 20 6 3 0 0 syz-executor4 [ 299.647555] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 299.657753] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 299.671329] [ 1853] 0 1853 9360 21 6 3 0 0 syz-executor1 [ 299.683526] [ 1854] 0 1854 9360 21 6 3 0 0 syz-executor0 [ 299.694437] [ 4651] 0 4651 9361 15 5 2 0 0 syz-executor2 [ 299.711434] [ 4652] 0 4652 9360 21 6 3 0 0 syz-executor2 [ 299.742679] [ 5224] 0 5224 5365 170 15 3 0 -1000 udevd [ 299.762704] [ 6036] 0 6036 9361 15 5 2 0 0 syz-executor5 [ 299.782662] [ 6037] 0 6037 9360 21 6 3 0 0 syz-executor5 [ 299.802638] [ 6866] 0 6866 9361 15 4 2 0 0 syz-executor3 [ 299.831422] [ 6867] 0 6867 9361 15 4 2 0 0 syz-executor3 [ 299.851421] [ 6962] 0 6961 9426 0 9 4 0 1000 syz-executor2 [ 299.882738] [ 6968] 0 6966 9426 28 9 4 0 1000 syz-executor4 [ 299.902669] [ 6971] 0 6967 9426 29 10 4 0 1000 syz-executor5 [ 299.922650] [ 7005] 0 7005 9393 21 9 4 0 1000 syz-executor1 [ 299.951420] [ 7012] 0 7012 1050 17 8 3 0 0 sh [ 299.959939] [ 7014] 0 7014 2102 23 9 3 0 0 ip [ 299.992621] Out of memory: Kill process 6967 (syz-executor5) score 999 or sacrifice child [ 300.012626] Killed process 6971 (syz-executor5) total-vm:37704kB, anon-rss:116kB, file-rss:0kB, shmem-rss:0kB [ 300.082865] oom_reaper: reaped process 6971 (syz-executor5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 300.122161] oom_reaper: reaped process 6968 (syz-executor4), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 300.180938] syz-execprog invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 300.234019] CPU: 0 PID: 1832 Comm: syz-execprog Not tainted 4.14.75+ #18 [ 300.240906] Call Trace: [ 300.243506] dump_stack+0xb9/0x11b [ 300.247056] dump_header+0x17d/0x7a8 [ 300.250775] ? trace_hardirqs_on_caller+0x381/0x520 [ 300.255797] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 300.260928] ? ___ratelimit+0x4f/0x3f0 [ 300.264824] oom_kill_process.cold.8+0x10/0xc88 [ 300.269498] ? lock_downgrade+0x560/0x560 [ 300.273658] ? check_preemption_disabled+0x34/0x160 [ 300.278682] out_of_memory+0x669/0xa60 [ 300.282575] ? oom_killer_disable+0x1f0/0x1f0 [ 300.287086] __alloc_pages_nodemask+0x1949/0x2300 [ 300.291958] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 300.296917] ? find_get_entry+0x118/0x550 [ 300.301072] ? __radix_tree_lookup+0x220/0x220 [ 300.305655] ? check_preemption_disabled+0x34/0x160 [ 300.310679] ? find_get_entry+0x13f/0x550 [ 300.314842] ? pagecache_get_page+0x129/0x770 [ 300.319342] filemap_fault+0xcdd/0x14a0 [ 300.323336] ext4_filemap_fault+0x7d/0xb0 [ 300.327485] __do_fault+0x80/0x210 [ 300.331035] __handle_mm_fault+0xe04/0x23a0 [ 300.335368] ? SyS_futex+0x249/0x2b5 [ 300.339087] ? vm_insert_page+0x6d0/0x6d0 [ 300.343236] ? SyS_futex+0x249/0x2b5 [ 300.346970] ? check_preemption_disabled+0x34/0x160 [ 300.352002] handle_mm_fault+0x2f2/0x6eb [ 300.356070] __do_page_fault+0x45d/0xb60 [ 300.360142] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 300.365504] ? bad_area_access_error+0x330/0x330 [ 300.370262] ? page_fault+0x2c/0x50 [ 300.373917] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 300.378764] ? page_fault+0x2c/0x50 [ 300.382391] page_fault+0x42/0x50 [ 300.385843] RIP: 00f1:0x11 [ 300.388687] RSP: 3b98a615:000000c4200216e8 EFLAGS: 00000003 [ 300.860634] Mem-Info: [ 300.869865] active_anon:4919 inactive_anon:39 isolated_anon:0 [ 300.869865] active_file:39 inactive_file:3 isolated_file:0 [ 300.869865] unevictable:0 dirty:0 writeback:0 unstable:0 [ 300.869865] slab_reclaimable:6197 slab_unreclaimable:56085 [ 300.869865] mapped:27 shmem:48 pagetables:370 bounce:0 [ 300.869865] free:5608 free_pcp:194 free_cma:0 [ 301.011364] Node 0 active_anon:19676kB inactive_anon:156kB active_file:68kB inactive_file:2716kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:2008kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 301.145510] DMA32 free:20172kB min:4792kB low:7868kB high:10944kB active_anon:392kB inactive_anon:16kB active_file:516kB inactive_file:708kB unevictable:0kB writepending:20kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:288kB pagetables:136kB bounce:0kB free_pcp:1380kB local_pcp:680kB free_cma:0kB [ 301.280369] lowmem_reserve[]: 0 3437 3437 [ 301.305267] Normal free:11532kB min:5480kB low:9000kB high:12520kB active_anon:19276kB inactive_anon:148kB active_file:104kB inactive_file:1052kB unevictable:0kB writepending:0kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2816kB pagetables:1348kB bounce:0kB free_pcp:876kB local_pcp:720kB free_cma:0kB [ 301.435415] lowmem_reserve[]: 0 0 0 [ 301.458435] DMA32: 5*4kB (E) 20*8kB (E) 25*16kB (ME) 314*32kB (UME) 281*64kB (UME) 3*128kB (UME) 7*256kB (UM) 6*512kB (UM) 0*1024kB 4*2048kB (UM) 0*4096kB = 42052kB [ 301.538052] Normal: 172*4kB (UME) 156*8kB (UME) 136*16kB (UME) 53*32kB (UME) 20*64kB (UME) 17*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 9264kB [ 301.592574] 690 total pagecache pages [ 301.612146] 0 pages in swap cache [ 301.627352] Swap cache stats: add 0, delete 0, find 0/0 [ 301.677785] Free swap = 0kB [ 301.695131] Total swap = 0kB [ 301.712428] 1965979 pages RAM [ 301.733242] 0 pages HighMem/MovableOnly [ 301.754786] 315630 pages reserved [ 301.771417] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 301.813761] [ 191] 0 191 5385 185 17 3 0 -1000 udevd [ 301.860154] [ 299] 0 299 5384 183 15 3 0 -1000 udevd [ 301.905817] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 301.950135] [ 1630] 0 1630 30622 172 25 3 0 0 rsyslogd [ 301.995344] [ 1684] 0 1684 4725 50 15 3 0 0 cron [ 302.041433] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 302.110068] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 302.119387] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 302.185020] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 302.243179] [ 1828] 0 1828 17821 197 39 3 0 0 sshd [ 302.290152] [ 1830] 0 1830 32811 1759 27 5 0 0 syz-execprog [ 302.299556] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 302.384459] [ 1849] 0 1849 9360 20 6 3 0 0 syz-executor4 [ 302.430102] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 302.439595] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 302.533941] [ 1853] 0 1853 9360 21 6 3 0 0 syz-executor1 [ 302.580098] [ 1854] 0 1854 9360 21 6 3 0 0 syz-executor0 [ 302.589593] [ 4651] 0 4651 9361 15 5 2 0 0 syz-executor2 [ 302.670074] [ 4652] 0 4652 9360 21 6 3 0 0 syz-executor2 [ 302.679570] [ 5224] 0 5224 5365 170 15 3 0 -1000 udevd [ 302.760068] [ 6036] 0 6036 9361 15 5 2 0 0 syz-executor5 [ 302.769567] [ 6037] 0 6037 9360 21 6 3 0 0 syz-executor5 [ 302.835041] [ 6866] 0 6866 9361 15 4 2 0 0 syz-executor3 [ 302.880077] [ 6867] 0 6867 9361 139 4 2 0 0 syz-executor3 [ 302.889572] [ 6962] 0 6961 9426 0 9 4 0 1000 syz-executor2 [ 302.960067] [ 6968] 0 6966 9426 0 9 4 0 1000 syz-executor4 [ 302.969568] [ 6971] 0 6967 9426 0 10 4 0 1000 syz-executor5 [ 303.050083] [ 7006] 0 7005 9426 29 9 4 0 1000 syz-executor1 [ 303.059586] [ 7064] 0 7064 1050 115 8 3 0 0 sh [ 303.120132] Out of memory: Kill process 7005 (syz-executor1) score 999 or sacrifice child [ 303.128512] Killed process 7006 (syz-executor1) total-vm:37704kB, anon-rss:116kB, file-rss:0kB, shmem-rss:0kB [ 303.220344] oom_reaper: reaped process 7006 (syz-executor1), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB 2018/10/11 19:03:53 executed programs: 106 [ 304.911114] sh invoked oom-killer: gfp_mask=0x15080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null), order=0, oom_score_adj=0 [ 304.924378] CPU: 0 PID: 7172 Comm: sh Not tainted 4.14.75+ #18 [ 304.930362] Call Trace: [ 304.932959] dump_stack+0xb9/0x11b [ 304.936510] dump_header+0x17d/0x7a8 [ 304.940234] ? trace_hardirqs_on_caller+0x381/0x520 [ 304.945259] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 304.950367] ? ___ratelimit+0x4f/0x3f0 [ 304.954258] oom_kill_process.cold.8+0x10/0xc88 [ 304.958929] ? lock_downgrade+0x560/0x560 [ 304.963069] ? check_preemption_disabled+0x34/0x160 [ 304.968075] out_of_memory+0x669/0xa60 [ 304.971964] ? oom_killer_disable+0x1f0/0x1f0 [ 304.976473] __alloc_pages_nodemask+0x1949/0x2300 [ 304.981339] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 304.986187] ? do_wp_page+0x254/0x1880 [ 304.990084] ? finish_mkwrite_fault+0x4e0/0x4e0 [ 304.994760] ? __lock_acquire+0x619/0x4320 [ 304.999006] ? __handle_mm_fault+0x657/0x23a0 [ 305.003512] ? trace_hardirqs_on+0x10/0x10 [ 305.007745] ? generic_file_readonly_mmap+0x180/0x180 [ 305.012939] pte_alloc_one+0x18/0xf0 [ 305.016689] ? generic_file_readonly_mmap+0x180/0x180 [ 305.021902] __handle_mm_fault+0x1b72/0x23a0 [ 305.026317] ? __do_page_fault+0x485/0xb60 [ 305.030558] ? vm_insert_page+0x6d0/0x6d0 [ 305.034735] ? check_preemption_disabled+0x34/0x160 [ 305.039757] handle_mm_fault+0x2f2/0x6eb [ 305.043821] __do_page_fault+0x45d/0xb60 [ 305.047918] ? ret_from_fork+0x1a/0x50 [ 305.051809] ? bad_area_access_error+0x330/0x330 [ 305.056567] ? page_fault+0x2c/0x50 [ 305.060193] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 305.065040] ? page_fault+0x2c/0x50 [ 305.068668] page_fault+0x42/0x50 [ 305.072118] RIP: 0000: (null) [ 305.076003] RSP: 68fa7980:00007fff68fa79c0 EFLAGS: 00000000 [ 305.078629] Mem-Info: [ 305.086919] active_anon:4868 inactive_anon:40 isolated_anon:0 [ 305.086919] active_file:18 inactive_file:13 isolated_file:0 [ 305.086919] unevictable:0 dirty:0 writeback:8 unstable:0 [ 305.086919] slab_reclaimable:6232 slab_unreclaimable:55881 [ 305.086919] mapped:23 shmem:48 pagetables:340 bounce:0 [ 305.086919] free:4460 free_pcp:0 free_cma:0 [ 305.119624] Node 0 active_anon:19472kB inactive_anon:160kB active_file:72kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:92kB dirty:0kB writeback:32kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 305.144229] DMA32 free:16032kB min:4792kB low:7868kB high:10944kB active_anon:164kB inactive_anon:16kB active_file:28kB inactive_file:4kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:128kB pagetables:80kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 305.171982] lowmem_reserve[]: 0 3437 3437 [ 305.176175] Normal free:2804kB min:5480kB low:9000kB high:12520kB active_anon:19336kB inactive_anon:148kB active_file:24kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2720kB pagetables:1268kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 305.205160] lowmem_reserve[]: 0 0 0 [ 305.208811] DMA32: 44*4kB (ME) 58*8kB (UME) 54*16kB (ME) 52*32kB (UME) 19*64kB (ME) 5*128kB (ME) 5*256kB (UM) 3*512kB (UM) 0*1024kB 4*2048kB (UM) 0*4096kB = 16032kB [ 305.250048] Normal: 71*4kB (UME) 87*8kB (UME) 60*16kB (UME) 19*32kB (UME) 4*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 2804kB [ 305.270051] 77 total pagecache pages [ 305.274334] 0 pages in swap cache [ 305.277797] Swap cache stats: add 0, delete 0, find 0/0 [ 305.300055] Free swap = 0kB [ 305.303091] Total swap = 0kB [ 305.306104] 1965979 pages RAM [ 305.309203] 0 pages HighMem/MovableOnly [ 305.320039] 315630 pages reserved [ 305.324262] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 305.340060] [ 191] 0 191 5385 186 17 3 0 -1000 udevd [ 305.348867] [ 299] 0 299 5384 184 15 3 0 -1000 udevd [ 305.370570] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 305.379597] [ 1630] 0 1630 30622 172 25 3 0 0 rsyslogd [ 305.410049] [ 1684] 0 1684 4725 50 15 3 0 0 cron [ 305.418784] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 305.428486] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 305.437817] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 305.447090] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 305.455902] [ 1828] 0 1828 17821 197 39 3 0 0 sshd [ 305.465171] [ 1830] 0 1830 32811 1759 27 5 0 0 syz-execprog [ 305.474571] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 305.484606] [ 1849] 0 1849 9360 20 6 3 0 0 syz-executor4 [ 305.494092] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 305.520058] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 305.529620] [ 1853] 0 1853 9360 21 6 3 0 0 syz-executor1 [ 305.550055] [ 1854] 0 1854 9360 21 6 3 0 0 syz-executor0 [ 305.559518] [ 4651] 0 4651 9361 15 5 2 0 0 syz-executor2 [ 305.590049] [ 4652] 0 4652 9360 21 6 3 0 0 syz-executor2 [ 305.599512] [ 5224] 0 5224 5365 170 15 3 0 -1000 udevd [ 305.620053] [ 6036] 0 6036 9361 15 5 2 0 0 syz-executor5 [ 305.629523] [ 6037] 0 6037 9360 21 6 3 0 0 syz-executor5 [ 305.660060] [ 6866] 0 6866 9361 15 4 2 0 0 syz-executor3 [ 305.669544] [ 6867] 0 6867 9361 15 4 2 0 0 syz-executor3 [ 305.698839] [ 7006] 0 7005 9426 0 9 4 0 1000 syz-executor1 [ 305.708722] [ 7171] 0 7171 1050 17 7 3 0 0 sh [ 305.717688] [ 7172] 0 7172 1050 23 5 3 0 0 sh [ 305.726962] Out of memory: Kill process 1830 (syz-execprog) score 1 or sacrifice child [ 305.735635] Killed process 4651 (syz-executor2) total-vm:37444kB, anon-rss:60kB, file-rss:0kB, shmem-rss:0kB 2018/10/11 19:04:03 executed programs: 110 2018/10/11 19:04:03 result: failed=false hanged=false err=executor 2: failed to write control pipe: write |1: broken pipe 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" [ 315.106051] oom_reaper: reaped process 7353 (syz-executor5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 315.140507] oom_reaper: reaped process 7369 (syz-executor4), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 315.160168] oom_reaper: reaped process 7351 (syz-executor0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 315.192337] oom_reaper: reaped process 7346 (syz-executor3), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 315.210940] syz-executor3 invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 315.252251] CPU: 0 PID: 6867 Comm: syz-executor3 Not tainted 4.14.75+ #18 [ 315.259184] Call Trace: [ 315.261766] dump_stack+0xb9/0x11b [ 315.265299] dump_header+0x17d/0x7a8 [ 315.269004] ? trace_hardirqs_on_caller+0x381/0x520 [ 315.274009] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 315.279103] ? ___ratelimit+0x4f/0x3f0 [ 315.282989] oom_kill_process.cold.8+0x10/0xc88 [ 315.287656] ? lock_downgrade+0x560/0x560 [ 315.291799] ? check_preemption_disabled+0x34/0x160 [ 315.296809] out_of_memory+0x669/0xa60 [ 315.300689] ? oom_killer_disable+0x1f0/0x1f0 [ 315.305187] __alloc_pages_nodemask+0x1949/0x2300 [ 315.310040] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 315.314883] ? find_get_entry+0x118/0x550 [ 315.319031] ? __radix_tree_lookup+0x220/0x220 [ 315.323602] ? check_preemption_disabled+0x34/0x160 [ 315.328616] ? find_get_entry+0x13f/0x550 [ 315.332771] ? pagecache_get_page+0x129/0x770 [ 315.337268] filemap_fault+0xcdd/0x14a0 [ 315.341255] ext4_filemap_fault+0x7d/0xb0 [ 315.345391] __do_fault+0x80/0x210 [ 315.348927] __handle_mm_fault+0xe04/0x23a0 [ 315.353251] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 315.358349] ? vm_insert_page+0x6d0/0x6d0 [ 315.362488] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 315.367580] ? free_object+0xe4/0x240 [ 315.371387] ? check_preemption_disabled+0x34/0x160 [ 315.376398] handle_mm_fault+0x2f2/0x6eb [ 315.380454] __do_page_fault+0x45d/0xb60 [ 315.384511] ? retint_user+0x18/0x18 [ 315.388214] ? bad_area_access_error+0x330/0x330 [ 315.392960] ? page_fault+0x2c/0x50 [ 315.396577] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 315.401410] ? page_fault+0x2c/0x50 [ 315.405029] page_fault+0x42/0x50 [ 315.408469] RIP: 4c857:0x1 [ 315.411300] RSP: 4cb79:00000000000000f1 EFLAGS: 00000001 [ 316.120823] Mem-Info: [ 316.128726] active_anon:4916 inactive_anon:41 isolated_anon:0 [ 316.128726] active_file:25 inactive_file:18 isolated_file:0 [ 316.128726] unevictable:0 dirty:0 writeback:0 unstable:0 [ 316.128726] slab_reclaimable:6233 slab_unreclaimable:56018 [ 316.128726] mapped:2 shmem:48 pagetables:381 bounce:0 [ 316.128726] free:4679 free_pcp:0 free_cma:0 [ 316.330063] Node 0 active_anon:19664kB inactive_anon:164kB active_file:252kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 316.440077] DMA32 free:15884kB min:4792kB low:7868kB high:10944kB active_anon:316kB inactive_anon:8kB active_file:8kB inactive_file:4kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:192kB pagetables:80kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 316.590047] lowmem_reserve[]: 0 3437 3437 [ 316.594250] Normal free:2832kB min:5480kB low:9000kB high:12520kB active_anon:19348kB inactive_anon:156kB active_file:172kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2976kB pagetables:1444kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 316.779351] lowmem_reserve[]: 0 0 0 [ 316.797784] DMA32: 2*4kB (E) 24*8kB (UME) 24*16kB (E) 26*32kB (UME) 121*64kB (UME) 31*128kB (UME) 5*256kB (UM) 3*512kB (UM) 0*1024kB 4*2048kB (UM) 0*4096kB = 24136kB [ 316.941960] Normal: 107*4kB (UME) 67*8kB (UME) 42*16kB (UME) 24*32kB (UME) 3*64kB (UM) 1*128kB (U) 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 3492kB [ 317.000092] 731 total pagecache pages [ 317.004249] 0 pages in swap cache [ 317.007701] Swap cache stats: add 0, delete 0, find 0/0 [ 317.082483] Free swap = 0kB [ 317.085616] Total swap = 0kB [ 317.088634] 1965979 pages RAM [ 317.161004] 0 pages HighMem/MovableOnly [ 317.165007] 315630 pages reserved [ 317.168455] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 317.259512] [ 191] 0 191 5385 185 17 3 0 -1000 udevd [ 317.310083] [ 299] 0 299 5384 184 15 3 0 -1000 udevd [ 317.318988] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 317.460059] [ 1630] 0 1630 30622 172 25 3 0 0 rsyslogd [ 317.469206] [ 1684] 0 1684 4725 50 15 3 0 0 cron [ 317.550060] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 317.559194] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 317.630731] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 317.639438] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 317.690057] [ 1828] 0 1828 17821 197 39 3 0 0 sshd [ 317.698750] [ 1830] 0 1830 32811 1759 27 5 0 0 syz-execprog [ 317.761076] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 317.800080] [ 1849] 0 1849 9360 20 6 3 0 0 syz-executor4 [ 317.809560] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 317.890899] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 317.930067] [ 1853] 0 1853 9360 21 6 3 0 0 syz-executor1 [ 317.939543] [ 1854] 0 1854 9360 21 6 3 0 0 syz-executor0 [ 318.010183] [ 5224] 0 5224 5365 170 15 3 0 -1000 udevd [ 318.018970] [ 6036] 0 6036 9361 15 5 2 0 0 syz-executor5 [ 318.130369] [ 6037] 0 6037 9360 21 6 3 0 0 syz-executor5 [ 318.140000] [ 6866] 0 6866 9361 15 4 2 0 0 syz-executor3 [ 318.210063] [ 6867] 0 6867 9360 21 5 3 0 0 syz-executor3 [ 318.270067] [ 7347] 0 7344 9426 0 9 4 0 1000 syz-executor4 [ 318.279995] [ 7346] 0 7345 9426 0 8 4 0 1000 syz-executor3 [ 318.370872] [ 7353] 0 7348 9426 0 10 4 0 1000 syz-executor5 [ 318.412194] [ 7352] 0 7349 9426 29 9 4 0 1000 syz-executor1 [ 318.475417] [ 7351] 0 7350 9426 0 9 4 0 1000 syz-executor0 [ 318.534995] [ 7354] 0 7354 9361 15 6 2 0 0 syz-executor2 [ 318.590111] [ 7355] 0 7355 9361 15 6 2 0 0 syz-executor2 [ 318.599597] [ 7402] 0 7402 1050 127 8 3 0 0 sh [ 318.680546] Out of memory: Kill process 7349 (syz-executor1) score 999 or sacrifice child [ 318.728682] Killed process 7352 (syz-executor1) total-vm:37704kB, anon-rss:116kB, file-rss:0kB, shmem-rss:0kB [ 318.790843] oom_reaper: reaped process 7352 (syz-executor1), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB 2018/10/11 19:04:09 executed programs: 112 [ 320.562703] syz-executor3 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=1000 [ 320.580206] CPU: 0 PID: 7465 Comm: syz-executor3 Not tainted 4.14.75+ #18 [ 320.587129] Call Trace: [ 320.589694] dump_stack+0xb9/0x11b [ 320.593216] dump_header+0x17d/0x7a8 [ 320.596933] ? trace_hardirqs_on_caller+0x381/0x520 [ 320.601928] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 320.607008] ? ___ratelimit+0x4f/0x3f0 [ 320.610872] oom_kill_process.cold.8+0x10/0xc88 [ 320.615522] ? lock_downgrade+0x560/0x560 [ 320.619648] ? check_preemption_disabled+0x34/0x160 [ 320.624641] out_of_memory+0x669/0xa60 [ 320.628507] ? oom_killer_disable+0x1f0/0x1f0 [ 320.633019] __alloc_pages_nodemask+0x1949/0x2300 [ 320.637847] ? __schedule+0x731/0x1ed0 [ 320.641708] ? retint_kernel+0x2d/0x2d [ 320.645569] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 320.650386] ? retint_kernel+0x2d/0x2d [ 320.654252] ? trace_hardirqs_on_caller+0x381/0x520 [ 320.659273] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 320.664008] ? retint_kernel+0x2d/0x2d [ 320.667885] __vmalloc_node_range+0x283/0x680 [ 320.672365] ? SyS_init_module+0x119/0x1e0 [ 320.676572] __vmalloc+0x63/0x80 [ 320.679917] ? SyS_init_module+0x119/0x1e0 [ 320.684127] SyS_init_module+0x119/0x1e0 [ 320.688164] ? load_module+0x9150/0x9150 [ 320.692207] ? do_syscall_64+0x43/0x4b0 [ 320.696154] ? load_module+0x9150/0x9150 [ 320.700190] do_syscall_64+0x19b/0x4b0 [ 320.704060] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 320.709222] RIP: 0033:0x457519 [ 320.712385] RSP: 002b:00007f1db566dc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000af [ 320.720066] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457519 [ 320.727319] RDX: 00000000200000c0 RSI: 00000000fffffc2f RDI: 0000000020000140 [ 320.734574] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 320.741845] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1db566e6d4 [ 320.749092] R13: 00000000004bdd3a R14: 00000000004ce230 R15: 00000000ffffffff [ 320.757975] Mem-Info: [ 320.773286] active_anon:4942 inactive_anon:41 isolated_anon:0 [ 320.773286] active_file:3 inactive_file:20 isolated_file:0 [ 320.773286] unevictable:0 dirty:0 writeback:0 unstable:0 [ 320.773286] slab_reclaimable:6258 slab_unreclaimable:55903 [ 320.773286] mapped:25 shmem:48 pagetables:378 bounce:0 [ 320.773286] free:4621 free_pcp:0 free_cma:0 [ 320.809185] Node 0 active_anon:19768kB inactive_anon:164kB active_file:48kB inactive_file:80kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:100kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 320.876010] DMA32 free:15820kB min:4792kB low:7868kB high:10944kB active_anon:380kB inactive_anon:16kB active_file:8kB inactive_file:112kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:256kB pagetables:128kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 320.960766] lowmem_reserve[]: 0 3437 3437 [ 320.964978] Normal free:2664kB min:5480kB low:9000kB high:12520kB active_anon:19388kB inactive_anon:148kB active_file:236kB inactive_file:188kB unevictable:0kB writepending:0kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2880kB pagetables:1384kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 321.030730] lowmem_reserve[]: 0 0 0 [ 321.034403] DMA32: 54*4kB (UM) 69*8kB (UME) 61*16kB (UME) 42*32kB (UME) 16*64kB (ME) 5*128kB (ME) 4*256kB (M) 2*512kB (M) 1*1024kB (U) 4*2048kB (UM) 0*4096kB = 16016kB [ 321.070789] Normal: 71*4kB (UME) 96*8kB (UME) 64*16kB (UME) 20*32kB (UME) 5*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 3164kB [ 321.090762] 84 total pagecache pages [ 321.094499] 0 pages in swap cache [ 321.097943] Swap cache stats: add 0, delete 0, find 0/0 [ 321.120279] Free swap = 0kB [ 321.123322] Total swap = 0kB [ 321.126330] 1965979 pages RAM [ 321.129420] 0 pages HighMem/MovableOnly [ 321.151372] 315630 pages reserved [ 321.154858] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 321.170813] [ 191] 0 191 5385 186 17 3 0 -1000 udevd [ 321.179579] [ 299] 0 299 5384 184 15 3 0 -1000 udevd [ 321.210802] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 321.219854] [ 1630] 0 1630 30622 172 25 3 0 0 rsyslogd [ 321.250767] [ 1684] 0 1684 4725 50 15 3 0 0 cron [ 321.259475] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 321.280669] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 321.289952] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 321.320053] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 321.328825] [ 1828] 0 1828 17821 197 39 3 0 0 sshd [ 321.360055] [ 1830] 0 1830 32811 1759 27 5 0 0 syz-execprog [ 321.369437] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 321.400051] [ 1849] 0 1849 9360 20 6 3 0 0 syz-executor4 [ 321.409508] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 321.440062] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 321.449539] [ 1853] 0 1853 9360 21 6 3 0 0 syz-executor1 [ 321.480058] [ 1854] 0 1854 9360 21 6 3 0 0 syz-executor0 [ 321.489534] [ 5224] 0 5224 5365 170 15 3 0 -1000 udevd [ 321.510727] [ 6036] 0 6036 9361 15 5 2 0 0 syz-executor5 [ 321.530742] [ 6037] 0 6037 9360 21 6 3 0 0 syz-executor5 [ 321.551368] [ 6866] 0 6866 9361 15 4 2 0 0 syz-executor3 [ 321.570773] [ 6867] 0 6867 9360 21 5 3 0 0 syz-executor3 [ 321.590753] [ 7352] 0 7349 9426 0 9 4 0 1000 syz-executor1 [ 321.610783] [ 7354] 0 7354 9361 15 6 2 0 0 syz-executor2 [ 321.630784] [ 7355] 0 7355 9361 15 6 2 0 0 syz-executor2 [ 321.650751] [ 7437] 0 7436 9426 29 9 4 0 1000 syz-executor0 [ 321.670782] [ 7445] 0 7445 9393 21 9 4 0 1000 syz-executor5 [ 321.690741] [ 7462] 0 7462 9393 21 8 4 0 1000 syz-executor3 [ 321.710295] [ 7471] 0 7471 9393 20 9 4 0 1000 syz-executor4 [ 321.741956] [ 7483] 0 7483 1050 18 8 3 0 0 sh [ 321.760199] [ 7484] 0 7484 1050 24 8 3 0 0 sh [ 321.775893] Out of memory: Kill process 7436 (syz-executor0) score 999 or sacrifice child [ 321.800485] Killed process 7437 (syz-executor0) total-vm:37704kB, anon-rss:116kB, file-rss:0kB, shmem-rss:0kB [ 321.850203] oom_reaper: reaped process 7437 (syz-executor0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 321.881810] rsyslogd invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 321.924217] CPU: 0 PID: 1633 Comm: rsyslogd Not tainted 4.14.75+ #18 [ 321.930737] Call Trace: [ 321.933318] dump_stack+0xb9/0x11b [ 321.936857] dump_header+0x17d/0x7a8 [ 321.940571] ? trace_hardirqs_on_caller+0x381/0x520 [ 321.945580] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 321.950674] ? ___ratelimit+0x4f/0x3f0 [ 321.954557] oom_kill_process.cold.8+0x10/0xc88 [ 321.959218] ? lock_downgrade+0x560/0x560 [ 321.963359] ? check_preemption_disabled+0x34/0x160 [ 321.968375] out_of_memory+0x669/0xa60 [ 321.972256] ? oom_killer_disable+0x1f0/0x1f0 [ 321.976755] __alloc_pages_nodemask+0x1949/0x2300 [ 321.981794] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 321.986628] ? find_get_entry+0x118/0x550 [ 321.990771] ? check_preemption_disabled+0x34/0x160 [ 321.995775] ? check_preemption_disabled+0x34/0x160 [ 322.000786] ? find_get_entry+0x13f/0x550 [ 322.004943] ? pagecache_get_page+0x129/0x770 [ 322.009438] filemap_fault+0xcdd/0x14a0 [ 322.013423] ext4_filemap_fault+0x7d/0xb0 [ 322.017568] __do_fault+0x80/0x210 [ 322.021102] __handle_mm_fault+0xe04/0x23a0 [ 322.025417] ? SyS_read+0x158/0x1a0 [ 322.029036] ? vm_insert_page+0x6d0/0x6d0 [ 322.033185] ? __fsnotify_parent+0xb1/0x300 [ 322.037512] ? check_preemption_disabled+0x34/0x160 [ 322.042528] handle_mm_fault+0x2f2/0x6eb [ 322.046584] __do_page_fault+0x45d/0xb60 [ 322.050640] ? retint_user+0x18/0x18 [ 322.054367] ? bad_area_access_error+0x330/0x330 [ 322.059114] ? page_fault+0x2c/0x50 [ 322.062728] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 322.067566] ? page_fault+0x2c/0x50 [ 322.071180] page_fault+0x42/0x50 [ 322.074618] RIP: 997c65a3:0x7fe [ 322.077889] RSP: 97f90d88:0000000000000004 EFLAGS: 00000000 [ 322.382367] Mem-Info: [ 322.409457] active_anon:4942 inactive_anon:41 isolated_anon:0 [ 322.409457] active_file:4 inactive_file:18 isolated_file:0 [ 322.409457] unevictable:0 dirty:0 writeback:0 unstable:0 [ 322.409457] slab_reclaimable:6262 slab_unreclaimable:55851 [ 322.409457] mapped:2 shmem:48 pagetables:379 bounce:0 [ 322.409457] free:7384 free_pcp:556 free_cma:0 [ 322.560065] Node 0 active_anon:19768kB inactive_anon:164kB active_file:120kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 322.680075] DMA32 free:28124kB min:4792kB low:7868kB high:10944kB active_anon:360kB inactive_anon:16kB active_file:12kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:256kB pagetables:112kB bounce:0kB free_pcp:132kB local_pcp:120kB free_cma:0kB [ 322.869570] lowmem_reserve[]: 0 3437 3437 [ 322.886895] Normal free:5096kB min:5480kB low:9000kB high:12520kB active_anon:19408kB inactive_anon:148kB active_file:168kB inactive_file:92kB unevictable:0kB writepending:0kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2912kB pagetables:1404kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 322.990059] lowmem_reserve[]: 0 0 0 [ 322.993731] DMA32: 50*4kB (UM) 108*8kB (UME) 266*16kB (UME) 255*32kB (UME) 220*64kB (UME) 20*128kB (UME) 12*256kB (UM) 8*512kB (UM) 2*1024kB (U) 4*2048kB (UM) 0*4096kB = 47528kB [ 323.030058] Normal: 836*4kB (UME) 1391*8kB (UME) 952*16kB (UME) 76*32kB (UME) 48*64kB (UM) 9*128kB (UM) 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 37128kB [ 323.060383] 99 total pagecache pages [ 323.070167] 0 pages in swap cache [ 323.130071] Swap cache stats: add 0, delete 0, find 0/0 [ 323.135460] Free swap = 0kB [ 323.138468] Total swap = 0kB [ 323.202308] 1965979 pages RAM [ 323.205587] 0 pages HighMem/MovableOnly [ 323.222476] 315630 pages reserved [ 323.225934] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 323.290337] [ 191] 0 191 5385 186 17 3 0 -1000 udevd [ 323.299124] [ 299] 0 299 5384 184 15 3 0 -1000 udevd [ 323.340064] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 323.349139] [ 1630] 0 1630 30622 172 25 3 0 0 rsyslogd [ 323.380065] [ 1684] 0 1684 4725 50 15 3 0 0 cron [ 323.388761] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 323.456083] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 323.490074] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 323.498787] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 323.530181] [ 1828] 0 1828 17821 197 39 3 0 0 sshd [ 323.538885] [ 1830] 0 1830 32811 1759 27 5 0 0 syz-execprog [ 323.625549] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 323.640202] [ 1849] 0 1849 9360 20 6 3 0 0 syz-executor4 [ 323.649653] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 323.690062] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 323.699542] [ 1853] 0 1853 9360 21 6 3 0 0 syz-executor1 [ 323.790069] [ 1854] 0 1854 9360 21 6 3 0 0 syz-executor0 [ 323.799552] [ 5224] 0 5224 5365 170 15 3 0 -1000 udevd [ 323.830053] [ 6036] 0 6036 9361 15 5 2 0 0 syz-executor5 [ 323.839520] [ 6037] 0 6037 9360 21 6 3 0 0 syz-executor5 [ 323.920059] [ 6866] 0 6866 9361 15 4 2 0 0 syz-executor3 [ 323.929544] [ 6867] 0 6867 9360 21 5 3 0 0 syz-executor3 [ 323.980059] [ 7352] 0 7349 9426 0 9 4 0 1000 syz-executor1 [ 323.989541] [ 7354] 0 7354 9361 15 6 2 0 0 syz-executor2 [ 324.056991] [ 7355] 0 7355 9361 15 6 2 0 0 syz-executor2 [ 324.087292] [ 7437] 0 7436 9426 0 9 4 0 1000 syz-executor0 [ 324.116441] [ 7448] 0 7445 9426 29 10 4 0 1000 syz-executor5 [ 324.205672] [ 7465] 0 7462 9426 29 8 4 0 1000 syz-executor3 [ 324.250076] [ 7473] 0 7471 9426 28 9 4 0 1000 syz-executor4 [ 324.259557] [ 7488] 0 7488 9361 15 5 2 0 0 syz-executor2 [ 324.323201] Out of memory: Kill process 7471 (syz-executor4) score 999 or sacrifice child [ 324.363496] Killed process 7473 (syz-executor4) total-vm:37704kB, anon-rss:112kB, file-rss:0kB, shmem-rss:0kB [ 324.440238] oom_reaper: reaped process 7473 (syz-executor4), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 324.478896] oom_reaper: reaped process 7465 (syz-executor3), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 324.560710] oom_reaper: reaped process 7487 (syz-executor5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 324.653316] syz-executor3 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=1000 [ 324.731444] CPU: 0 PID: 7486 Comm: syz-executor3 Not tainted 4.14.75+ #18 [ 324.738400] Call Trace: [ 324.740986] dump_stack+0xb9/0x11b [ 324.744523] dump_header+0x17d/0x7a8 [ 324.748315] ? trace_hardirqs_on_caller+0x381/0x520 [ 324.753323] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 324.758417] ? ___ratelimit+0x4f/0x3f0 [ 324.762302] oom_kill_process.cold.8+0x10/0xc88 [ 324.766967] ? lock_downgrade+0x560/0x560 [ 324.771113] ? check_preemption_disabled+0x34/0x160 [ 324.776127] out_of_memory+0x669/0xa60 [ 324.780014] ? oom_killer_disable+0x1f0/0x1f0 [ 324.784516] __alloc_pages_nodemask+0x1949/0x2300 [ 324.789371] ? retint_kernel+0x2d/0x2d [ 324.793251] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 324.798083] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 324.802829] ? retint_kernel+0x2d/0x2d [ 324.806731] __vmalloc_node_range+0x283/0x680 [ 324.811221] ? SyS_init_module+0x119/0x1e0 [ 324.815444] __vmalloc+0x63/0x80 [ 324.818797] ? SyS_init_module+0x119/0x1e0 [ 324.823019] SyS_init_module+0x119/0x1e0 [ 324.827070] ? load_module+0x9150/0x9150 [ 324.831132] ? do_syscall_64+0x43/0x4b0 [ 324.835096] ? load_module+0x9150/0x9150 [ 324.839143] do_syscall_64+0x19b/0x4b0 [ 324.843029] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 324.848202] RIP: 0033:0x457519 [ 324.851373] RSP: 002b:00007f1db564cc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000af [ 324.859064] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457519 [ 324.866317] RDX: 00000000200000c0 RSI: 00000000fffffc2f RDI: 0000000020000140 [ 324.873570] RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 324.880824] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1db564d6d4 [ 324.888109] R13: 00000000004bdd3a R14: 00000000004ce230 R15: 00000000ffffffff [ 325.628335] Mem-Info: [ 325.660143] active_anon:4892 inactive_anon:41 isolated_anon:0 [ 325.660143] active_file:709 inactive_file:630 isolated_file:0 [ 325.660143] unevictable:0 dirty:0 writeback:0 unstable:0 [ 325.660143] slab_reclaimable:6286 slab_unreclaimable:55878 [ 325.660143] mapped:782 shmem:48 pagetables:407 bounce:0 [ 325.660143] free:81753 free_pcp:570 free_cma:0 [ 325.844498] Node 0 active_anon:19568kB inactive_anon:164kB active_file:3236kB inactive_file:2220kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:3428kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 325.970333] DMA32 free:438588kB min:4792kB low:7868kB high:10944kB active_anon:252kB inactive_anon:16kB active_file:672kB inactive_file:124kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:192kB pagetables:100kB bounce:0kB free_pcp:292kB local_pcp:96kB free_cma:0kB [ 326.124551] lowmem_reserve[]: 0 3437 3437 [ 326.128764] Normal free:8920kB min:5480kB low:9000kB high:12520kB active_anon:19236kB inactive_anon:148kB active_file:2564kB inactive_file:2028kB unevictable:0kB writepending:80kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2912kB pagetables:1372kB bounce:0kB free_pcp:780kB local_pcp:660kB free_cma:0kB [ 326.290105] lowmem_reserve[]: 0 0 0 [ 326.293780] DMA32: 203*4kB (UE) 227*8kB (UME) 227*16kB (UME) 71*32kB (UME) 4401*64kB (UME) 424*128kB (UME) 141*256kB (UM) 33*512kB (UM) 9*1024kB (U) 4*2048kB (UM) 0*4096kB = 414868kB [ 326.380527] Normal: 44*4kB (UMH) 34*8kB (UMH) 13*16kB (MH) 15*32kB (UMH) 6*64kB (UM) 3*128kB (U) 14*256kB (UM) 7*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 9072kB [ 326.460338] 1416 total pagecache pages [ 326.464283] 0 pages in swap cache [ 326.467725] Swap cache stats: add 0, delete 0, find 0/0 [ 326.504945] Free swap = 0kB [ 326.507995] Total swap = 0kB [ 326.536862] 1965979 pages RAM [ 326.550102] 0 pages HighMem/MovableOnly [ 326.554082] 315630 pages reserved [ 326.557522] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 326.617667] [ 191] 0 191 5385 186 17 3 0 -1000 udevd [ 326.650112] [ 299] 0 299 5384 184 15 3 0 -1000 udevd [ 326.658924] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 326.710082] [ 1630] 0 1630 30622 172 25 3 0 0 rsyslogd [ 326.720422] [ 1684] 0 1684 4725 50 15 3 0 0 cron [ 326.750080] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 326.759205] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 326.820675] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 326.829374] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 326.880084] [ 1828] 0 1828 17821 197 39 3 0 0 sshd [ 326.888799] [ 1830] 0 1830 32811 1759 27 5 0 0 syz-execprog [ 326.940534] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 326.993377] [ 1849] 0 1849 9360 20 6 3 0 0 syz-executor4 [ 327.008290] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 327.060073] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 327.069548] [ 1853] 0 1853 9360 21 6 3 0 0 syz-executor1 [ 327.150065] [ 1854] 0 1854 9360 21 6 3 0 0 syz-executor0 [ 327.159626] [ 5224] 0 5224 5365 170 15 3 0 -1000 udevd [ 327.210064] [ 6036] 0 6036 9361 15 5 2 0 0 syz-executor5 [ 327.260087] [ 6037] 0 6037 9360 21 6 3 0 0 syz-executor5 [ 327.269572] [ 6866] 0 6866 9361 15 4 2 0 0 syz-executor3 [ 327.320059] [ 6867] 0 6867 9360 21 5 3 0 0 syz-executor3 [ 327.350088] [ 7354] 0 7354 9361 15 6 2 0 0 syz-executor2 [ 327.359560] [ 7355] 0 7355 9361 29 6 2 0 0 syz-executor2 [ 327.439989] [ 7448] 0 7445 9426 0 10 4 0 1000 syz-executor5 [ 327.480062] [ 7465] 0 7462 9426 0 8 4 0 1000 syz-executor3 [ 327.489554] [ 7473] 0 7471 9426 0 9 4 0 1000 syz-executor4 [ 327.530094] [ 7562] 0 7562 1050 120 7 3 0 0 sh [ 327.570091] Out of memory: Kill process 1830 (syz-execprog) score 1 or sacrifice child [ 327.578244] Killed process 7354 (syz-executor2) total-vm:37444kB, anon-rss:60kB, file-rss:0kB, shmem-rss:0kB [ 327.640725] oom_reaper: reaped process 7354 (syz-executor2), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB 2018/10/11 19:04:17 executed programs: 116 2018/10/11 19:04:18 result: failed=false hanged=false err=executor 2: EOF 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 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" [ 328.073324] syz-executor1 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=1000 [ 328.088370] CPU: 0 PID: 7575 Comm: syz-executor1 Not tainted 4.14.75+ #18 [ 328.095294] Call Trace: [ 328.097891] dump_stack+0xb9/0x11b [ 328.101435] dump_header+0x17d/0x7a8 [ 328.105135] ? trace_hardirqs_on_caller+0x381/0x520 [ 328.110139] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 328.115225] ? ___ratelimit+0x4f/0x3f0 [ 328.119104] oom_kill_process.cold.8+0x10/0xc88 [ 328.123761] ? lock_downgrade+0x560/0x560 [ 328.127906] ? check_preemption_disabled+0x34/0x160 [ 328.132923] out_of_memory+0x669/0xa60 [ 328.136801] ? oom_killer_disable+0x1f0/0x1f0 [ 328.141291] __alloc_pages_nodemask+0x1949/0x2300 [ 328.146133] ? retint_kernel+0x2d/0x2d [ 328.150005] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 328.154835] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 328.159604] ? retint_kernel+0x2d/0x2d [ 328.163508] __vmalloc_node_range+0x283/0x680 [ 328.167998] ? SyS_init_module+0x119/0x1e0 [ 328.172223] __vmalloc+0x63/0x80 [ 328.175576] ? SyS_init_module+0x119/0x1e0 [ 328.179799] SyS_init_module+0x119/0x1e0 [ 328.183845] ? load_module+0x9150/0x9150 [ 328.187918] ? do_syscall_64+0x43/0x4b0 [ 328.191887] ? load_module+0x9150/0x9150 [ 328.195937] do_syscall_64+0x19b/0x4b0 [ 328.199818] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 328.204989] RIP: 0033:0x457519 [ 328.208163] RSP: 002b:00007f3135757c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000af [ 328.215856] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457519 [ 328.223120] RDX: 00000000200000c0 RSI: 00000000fffffc2f RDI: 0000000020000140 [ 328.230373] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 328.237630] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f31357586d4 [ 328.244887] R13: 00000000004bdd3a R14: 00000000004ce230 R15: 00000000ffffffff [ 328.275264] Mem-Info: [ 328.278394] active_anon:4889 inactive_anon:41 isolated_anon:0 [ 328.278394] active_file:110 inactive_file:139 isolated_file:0 [ 328.278394] unevictable:0 dirty:0 writeback:0 unstable:0 [ 328.278394] slab_reclaimable:6204 slab_unreclaimable:56238 [ 328.278394] mapped:228 shmem:48 pagetables:361 bounce:0 [ 328.278394] free:4822 free_pcp:195 free_cma:0 [ 328.310986] Node 0 active_anon:19556kB inactive_anon:164kB active_file:440kB inactive_file:556kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:912kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 328.335148] DMA32 free:15620kB min:4792kB low:7868kB high:10944kB active_anon:316kB inactive_anon:16kB active_file:120kB inactive_file:508kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:256kB pagetables:128kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 328.362688] lowmem_reserve[]: 0 3437 3437 [ 328.367007] Normal free:3668kB min:5480kB low:9000kB high:12520kB active_anon:19240kB inactive_anon:148kB active_file:412kB inactive_file:1028kB unevictable:0kB writepending:0kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2784kB pagetables:1316kB bounce:0kB free_pcp:780kB local_pcp:660kB free_cma:0kB [ 328.402605] lowmem_reserve[]: 0 0 0 [ 328.409294] DMA32: 35*4kB (UME) 61*8kB (ME) 47*16kB (UME) 33*32kB (ME) 11*64kB (UME) 8*128kB (ME) 6*256kB (UM) 4*512kB (UM) 0*1024kB 4*2048kB (UM) 0*4096kB = 15940kB [ 328.427614] Normal: 82*4kB (UMH) 55*8kB (UMH) 44*16kB (UMH) 16*32kB (UMH) 7*64kB (UM) 3*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 2816kB [ 328.446759] 113 total pagecache pages [ 328.452398] 0 pages in swap cache [ 328.456482] Swap cache stats: add 0, delete 0, find 0/0 [ 328.464663] Free swap = 0kB [ 328.467681] Total swap = 0kB [ 328.482102] 1965979 pages RAM [ 328.485204] 0 pages HighMem/MovableOnly [ 328.489162] 315630 pages reserved [ 328.502125] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 328.522127] [ 191] 0 191 5385 186 17 3 0 -1000 udevd [ 328.550055] [ 299] 0 299 5384 184 15 3 0 -1000 udevd [ 328.558848] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 328.590078] [ 1630] 0 1630 30622 172 25 3 0 0 rsyslogd [ 328.599104] [ 1684] 0 1684 4725 50 15 3 0 0 cron [ 328.645755] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 328.662654] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 328.682052] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 328.702106] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 328.722056] [ 1828] 0 1828 17821 197 39 3 0 0 sshd [ 328.742119] [ 1830] 0 1830 32811 1759 27 5 0 0 syz-execprog [ 328.770789] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 328.791405] [ 1849] 0 1849 9360 20 6 3 0 0 syz-executor4 [ 328.810821] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 328.830837] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 328.862290] [ 1853] 0 1853 9360 21 6 3 0 0 syz-executor1 [ 328.882123] [ 1854] 0 1854 9360 21 6 3 0 0 syz-executor0 [ 328.902060] [ 5224] 0 5224 5365 170 15 3 0 -1000 udevd [ 328.922770] [ 6036] 0 6036 9361 15 5 2 0 0 syz-executor5 [ 328.942068] [ 6037] 0 6037 9360 21 6 3 0 0 syz-executor5 [ 328.970802] [ 6866] 0 6866 9361 15 4 2 0 0 syz-executor3 [ 328.990889] [ 6867] 0 6867 9360 21 5 3 0 0 syz-executor3 [ 329.010796] [ 7448] 0 7445 9426 0 10 4 0 1000 syz-executor5 [ 329.030806] [ 7486] 0 7462 9426 0 8 4 0 1000 syz-executor3 [ 329.062152] [ 7571] 0 7571 9393 21 9 4 0 1000 syz-executor1 [ 329.082083] [ 7572] 0 7572 9393 21 9 4 0 1000 syz-executor0 [ 329.102211] [ 7577] 0 7577 9361 15 5 2 0 0 syz-executor2 [ 329.122179] [ 7578] 0 7578 9361 15 5 2 0 0 syz-executor2 [ 329.142127] [ 7579] 0 7579 9393 20 9 4 0 1000 syz-executor4 [ 329.170846] Out of memory: Kill process 7571 (syz-executor1) score 999 or sacrifice child [ 329.179231] Killed process 7571 (syz-executor1) total-vm:37572kB, anon-rss:84kB, file-rss:0kB, shmem-rss:0kB [ 329.214127] oom_reaper: reaped process 7571 (syz-executor1), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 329.351830] syz-executor4 invoked oom-killer: gfp_mask=0x14280ca(GFP_HIGHUSER_MOVABLE|__GFP_ZERO), nodemask=(null), order=0, oom_score_adj=1000 [ 329.397217] CPU: 1 PID: 7579 Comm: syz-executor4 Not tainted 4.14.75+ #18 [ 329.404166] Call Trace: [ 329.406747] dump_stack+0xb9/0x11b [ 329.410280] dump_header+0x17d/0x7a8 [ 329.413983] ? trace_hardirqs_on_caller+0x381/0x520 [ 329.418991] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 329.424083] ? ___ratelimit+0x4f/0x3f0 [ 329.427964] oom_kill_process.cold.8+0x10/0xc88 [ 329.432624] ? lock_downgrade+0x560/0x560 [ 329.436772] ? check_preemption_disabled+0x34/0x160 [ 329.441780] out_of_memory+0x669/0xa60 [ 329.445661] ? oom_killer_disable+0x1f0/0x1f0 [ 329.450157] __alloc_pages_nodemask+0x1949/0x2300 [ 329.455000] ? __lock_acquire+0x619/0x4320 [ 329.459225] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 329.464053] ? perf_event_mmap+0x8c/0xc30 [ 329.468187] ? cred_has_capability+0x131/0x260 [ 329.472767] ? lock_downgrade+0x560/0x560 [ 329.476903] ? lock_acquire+0x10f/0x380 [ 329.480864] ? __anon_vma_prepare+0xbe/0x370 [ 329.485285] ? up_write+0x17/0x60 [ 329.488729] __handle_mm_fault+0xf2a/0x23a0 [ 329.493043] ? vm_mmap_pgoff+0x18b/0x1d0 [ 329.497092] ? vm_insert_page+0x6d0/0x6d0 [ 329.501227] ? do_mmap+0x5ae/0xb80 [ 329.504769] ? check_preemption_disabled+0x34/0x160 [ 329.509781] handle_mm_fault+0x2f2/0x6eb [ 329.513838] __do_page_fault+0x45d/0xb60 [ 329.517900] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 329.523281] ? bad_area_access_error+0x330/0x330 [ 329.528023] ? page_fault+0x2c/0x50 [ 329.531634] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 329.536467] ? page_fault+0x2c/0x50 [ 329.540085] page_fault+0x42/0x50 [ 329.543526] RIP: d4b8f700:0x3 [ 329.546614] RSP: 20000:00007ffd39f3d880 EFLAGS: 7ffd39f3d960 [ 329.775720] Mem-Info: [ 329.806219] active_anon:4889 inactive_anon:41 isolated_anon:0 [ 329.806219] active_file:19 inactive_file:0 isolated_file:32 [ 329.806219] unevictable:0 dirty:0 writeback:0 unstable:0 [ 329.806219] slab_reclaimable:6204 slab_unreclaimable:56185 [ 329.806219] mapped:27 shmem:48 pagetables:361 bounce:0 [ 329.806219] free:5096 free_pcp:427 free_cma:0 [ 329.880082] Node 0 active_anon:19556kB inactive_anon:164kB active_file:72kB inactive_file:568kB unevictable:0kB isolated(anon):0kB isolated(file):108kB mapped:408kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 329.920197] DMA32 free:131756kB min:4792kB low:7868kB high:10944kB active_anon:316kB inactive_anon:16kB active_file:0kB inactive_file:204kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:256kB pagetables:128kB bounce:0kB free_pcp:1336kB local_pcp:716kB free_cma:0kB [ 329.980048] lowmem_reserve[]: 0 3437 3437 [ 329.984259] Normal free:14188kB min:5480kB low:9000kB high:12520kB active_anon:19240kB inactive_anon:148kB active_file:8kB inactive_file:748kB unevictable:0kB writepending:0kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2752kB pagetables:1316kB bounce:0kB free_pcp:652kB local_pcp:652kB free_cma:0kB [ 330.040195] lowmem_reserve[]: 0 0 0 [ 330.043862] DMA32: 211*4kB (UME) 241*8kB (UME) 849*16kB (UME) 2415*32kB (UME) 750*64kB (UME) 40*128kB (UME) 6*256kB (UM) 4*512kB (UM) 0*1024kB 4*2048kB (UM) 0*4096kB = 158532kB [ 330.080122] Normal: 1*4kB (U) 5*8kB (U) 5*16kB (U) 1*32kB (U) 0*64kB 2*128kB (U) 2*256kB (UM) 16*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 9116kB [ 330.110049] 216 total pagecache pages [ 330.113857] 0 pages in swap cache [ 330.117302] Swap cache stats: add 0, delete 0, find 0/0 [ 330.130042] Free swap = 0kB [ 330.133053] Total swap = 0kB [ 330.136053] 1965979 pages RAM [ 330.139143] 0 pages HighMem/MovableOnly [ 330.206999] 315630 pages reserved [ 330.214999] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 330.250125] [ 191] 0 191 5385 186 17 3 0 -1000 udevd [ 330.275697] [ 299] 0 299 5384 184 15 3 0 -1000 udevd [ 330.297695] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 330.326725] [ 1630] 0 1630 30622 173 25 3 0 0 rsyslogd [ 330.353391] [ 1684] 0 1684 4725 50 15 3 0 0 cron [ 330.400111] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 330.435251] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 330.464694] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 330.491211] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 330.529763] [ 1828] 0 1828 17821 197 39 3 0 0 sshd [ 330.564980] [ 1830] 0 1830 32811 1759 27 5 0 0 syz-execprog [ 330.616144] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 330.637910] [ 1849] 0 1849 9360 20 6 3 0 0 syz-executor4 [ 330.657584] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 330.677689] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 330.697702] [ 1853] 0 1853 9360 21 6 3 0 0 syz-executor1 [ 330.717173] [ 1854] 0 1854 9360 21 6 3 0 0 syz-executor0 [ 330.749963] [ 5224] 0 5224 5365 170 15 3 0 -1000 udevd [ 330.782538] [ 6036] 0 6036 9361 15 5 2 0 0 syz-executor5 [ 330.826067] [ 6037] 0 6037 9360 21 6 3 0 0 syz-executor5 [ 330.849997] [ 6866] 0 6866 9361 15 4 2 0 0 syz-executor3 [ 330.869488] [ 6867] 0 6867 9360 21 5 3 0 0 syz-executor3 [ 330.890316] [ 7448] 0 7445 9426 0 10 4 0 1000 syz-executor5 [ 330.909642] [ 7575] 0 7571 9393 0 9 4 0 1000 syz-executor1 [ 330.929005] [ 7576] 0 7572 9426 29 9 4 0 1000 syz-executor0 [ 330.948813] [ 7577] 0 7577 9361 15 5 2 0 0 syz-executor2 [ 330.997588] [ 7578] 0 7578 9361 15 5 2 0 0 syz-executor2 [ 331.034532] [ 7579] 0 7579 9426 20 9 4 0 1000 syz-executor4 [ 331.070064] [ 7587] 0 7587 1050 111 8 3 0 0 sh [ 331.078652] [ 7588] 0 7588 98 1 2 2 0 0 ip [ 331.140085] Out of memory: Kill process 7572 (syz-executor0) score 999 or sacrifice child [ 331.148450] Killed process 7576 (syz-executor0) total-vm:37704kB, anon-rss:116kB, file-rss:0kB, shmem-rss:0kB [ 331.225851] oom_reaper: reaped process 7576 (syz-executor0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 331.730199] syz-executor3 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=1000 [ 331.757393] CPU: 0 PID: 7599 Comm: syz-executor3 Not tainted 4.14.75+ #18 [ 331.764333] Call Trace: [ 331.766918] dump_stack+0xb9/0x11b [ 331.770456] dump_header+0x17d/0x7a8 [ 331.774159] ? trace_hardirqs_on_caller+0x381/0x520 [ 331.779168] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 331.784260] ? ___ratelimit+0x4f/0x3f0 [ 331.788143] oom_kill_process.cold.8+0x10/0xc88 [ 331.792804] ? lock_downgrade+0x560/0x560 [ 331.796946] ? check_preemption_disabled+0x34/0x160 [ 331.801961] out_of_memory+0x669/0xa60 [ 331.805843] ? oom_killer_disable+0x1f0/0x1f0 [ 331.810337] __alloc_pages_nodemask+0x1949/0x2300 [ 331.815189] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 331.820024] ? alloc_vmap_area.isra.8+0x7f0/0x7f0 [ 331.824867] ? map_vm_area+0xa4/0xd0 [ 331.828595] __vmalloc_node_range+0x283/0x680 [ 331.833091] ? SyS_init_module+0x119/0x1e0 [ 331.837317] __vmalloc+0x63/0x80 [ 331.840675] ? SyS_init_module+0x119/0x1e0 [ 331.844902] SyS_init_module+0x119/0x1e0 [ 331.849378] ? load_module+0x9150/0x9150 [ 331.853445] ? do_syscall_64+0x43/0x4b0 [ 331.857407] ? load_module+0x9150/0x9150 [ 331.861458] do_syscall_64+0x19b/0x4b0 [ 331.865345] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 331.870526] RIP: 0033:0x457519 [ 331.873707] RSP: 002b:00007f1db566dc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000af [ 331.881407] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457519 [ 331.888662] RDX: 00000000200000c0 RSI: 00000000fffffc2f RDI: 0000000020000140 [ 331.895926] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 331.903183] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1db566e6d4 [ 331.910441] R13: 00000000004bdd3a R14: 00000000004ce230 R15: 00000000ffffffff [ 332.440075] Mem-Info: [ 332.446114] active_anon:4947 inactive_anon:41 isolated_anon:0 [ 332.446114] active_file:52 inactive_file:137 isolated_file:0 [ 332.446114] unevictable:0 dirty:7 writeback:0 unstable:0 [ 332.446114] slab_reclaimable:6160 slab_unreclaimable:56125 [ 332.446114] mapped:75 shmem:48 pagetables:379 bounce:0 [ 332.446114] free:9260 free_pcp:501 free_cma:0 [ 332.570064] Node 0 active_anon:19788kB inactive_anon:164kB active_file:428kB inactive_file:444kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:500kB dirty:28kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 332.650110] DMA32 free:23084kB min:4792kB low:7868kB high:10944kB active_anon:356kB inactive_anon:16kB active_file:248kB inactive_file:72kB unevictable:0kB writepending:28kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:288kB pagetables:172kB bounce:0kB free_pcp:240kB local_pcp:96kB free_cma:0kB [ 332.750058] lowmem_reserve[]: 0 3437 3437 [ 332.754271] Normal free:9168kB min:5480kB low:9000kB high:12520kB active_anon:19232kB inactive_anon:148kB active_file:188kB inactive_file:280kB unevictable:0kB writepending:0kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2784kB pagetables:1344kB bounce:0kB free_pcp:1240kB local_pcp:620kB free_cma:0kB [ 332.891974] lowmem_reserve[]: 0 0 0 [ 332.895651] DMA32: 52*4kB (UME) 64*8kB (ME) 54*16kB (UME) 48*32kB (UME) 18*64kB (UME) 14*128kB (UME) 4*256kB (UM) 1*512kB (M) 0*1024kB 4*2048kB (UM) 0*4096kB = 15792kB [ 332.968597] Normal: 200*4kB (UM) 153*8kB (UM) 96*16kB (UM) 66*32kB (UM) 227*64kB (UM) 9*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 21352kB [ 333.000440] 512 total pagecache pages [ 333.008666] 0 pages in swap cache [ 333.015600] Swap cache stats: add 0, delete 0, find 0/0 [ 333.027672] Free swap = 0kB [ 333.034048] Total swap = 0kB [ 333.040401] 1965979 pages RAM [ 333.046826] 0 pages HighMem/MovableOnly [ 333.072769] 315630 pages reserved [ 333.086360] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 333.123979] [ 191] 0 191 5385 185 17 3 0 -1000 udevd [ 333.160312] [ 299] 0 299 5384 184 15 3 0 -1000 udevd [ 333.196761] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 333.230187] [ 1630] 0 1630 30622 173 25 3 0 0 rsyslogd [ 333.262328] [ 1684] 0 1684 4725 50 15 3 0 0 cron [ 333.289696] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 333.325854] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 333.358277] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 333.391838] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 333.424832] [ 1828] 0 1828 17821 197 39 3 0 0 sshd [ 333.453747] [ 1830] 0 1830 32811 1760 27 5 0 0 syz-execprog [ 333.480224] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 333.496536] [ 1849] 0 1849 9360 20 6 3 0 0 syz-executor4 [ 333.526818] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 333.550290] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 333.590290] [ 1853] 0 1853 9360 21 6 3 0 0 syz-executor1 [ 333.600055] [ 1854] 0 1854 9360 21 6 3 0 0 syz-executor0 [ 333.615216] [ 5224] 0 5224 5365 170 15 3 0 -1000 udevd [ 333.641349] [ 6036] 0 6036 9361 15 5 2 0 0 syz-executor5 [ 333.660216] [ 6037] 0 6037 9360 21 6 3 0 0 syz-executor5 [ 333.690915] [ 6866] 0 6866 9361 15 4 2 0 0 syz-executor3 [ 333.703906] [ 6867] 0 6867 9360 21 5 3 0 0 syz-executor3 [ 333.741683] [ 7575] 0 7571 9393 0 9 4 0 1000 syz-executor1 [ 333.760057] [ 7576] 0 7572 9426 0 9 4 0 1000 syz-executor0 [ 333.780051] [ 7577] 0 7577 9361 15 5 2 0 0 syz-executor2 [ 333.789501] [ 7578] 0 7578 9361 15 5 2 0 0 syz-executor2 [ 333.820049] [ 7581] 0 7579 9426 26 9 4 0 1000 syz-executor4 [ 333.829509] [ 7599] 0 7597 9426 29 8 4 0 1000 syz-executor3 [ 333.860055] [ 7615] 0 7615 1050 17 7 3 0 0 sh [ 333.868674] [ 7616] 0 7616 2102 168 9 3 0 0 ip [ 333.890326] Out of memory: Kill process 7579 (syz-executor4) score 999 or sacrifice child [ 333.898845] Killed process 7581 (syz-executor4) total-vm:37704kB, anon-rss:104kB, file-rss:0kB, shmem-rss:0kB [ 333.923176] oom_reaper: reaped process 7581 (syz-executor4), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB 2018/10/11 19:04:24 executed programs: 121 [ 334.460461] syz-executor5 invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 334.513699] CPU: 0 PID: 6037 Comm: syz-executor5 Not tainted 4.14.75+ #18 [ 334.520651] Call Trace: [ 334.523247] dump_stack+0xb9/0x11b [ 334.526787] dump_header+0x17d/0x7a8 [ 334.530495] ? trace_hardirqs_on_caller+0x381/0x520 [ 334.535507] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 334.540598] ? ___ratelimit+0x4f/0x3f0 [ 334.544481] oom_kill_process.cold.8+0x10/0xc88 [ 334.549141] ? lock_downgrade+0x560/0x560 [ 334.553283] ? check_preemption_disabled+0x34/0x160 [ 334.558298] out_of_memory+0x669/0xa60 [ 334.562178] ? oom_killer_disable+0x1f0/0x1f0 [ 334.566676] __alloc_pages_nodemask+0x1949/0x2300 [ 334.571530] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 334.576368] ? find_get_entry+0x118/0x550 [ 334.580511] ? check_preemption_disabled+0x34/0x160 [ 334.585517] ? check_preemption_disabled+0x34/0x160 [ 334.590528] ? find_get_entry+0x13f/0x550 [ 334.594680] ? pagecache_get_page+0x129/0x770 [ 334.599175] filemap_fault+0xcdd/0x14a0 [ 334.603160] ext4_filemap_fault+0x7d/0xb0 [ 334.607299] __do_fault+0x80/0x210 [ 334.610925] __handle_mm_fault+0xe04/0x23a0 [ 334.615243] ? __might_fault+0x104/0x1b0 [ 334.619298] ? vm_insert_page+0x6d0/0x6d0 [ 334.623433] ? __might_fault+0xd4/0x1b0 [ 334.627423] ? check_preemption_disabled+0x34/0x160 [ 334.632435] handle_mm_fault+0x2f2/0x6eb [ 334.636490] __do_page_fault+0x45d/0xb60 [ 334.640547] ? retint_user+0x18/0x18 [ 334.644252] ? bad_area_access_error+0x330/0x330 [ 334.648997] ? page_fault+0x2c/0x50 [ 334.652616] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 334.657452] ? page_fault+0x2c/0x50 [ 334.661068] page_fault+0x42/0x50 [ 334.664510] RIP: 518c2:0x8 [ 334.667343] RSP: 518c2:0000000000000116 EFLAGS: 00000000 [ 334.940058] Mem-Info: [ 334.948065] active_anon:4899 inactive_anon:39 isolated_anon:0 [ 334.948065] active_file:185 inactive_file:534 isolated_file:0 [ 334.948065] unevictable:0 dirty:7 writeback:0 unstable:0 [ 334.948065] slab_reclaimable:6153 slab_unreclaimable:56118 [ 334.948065] mapped:446 shmem:48 pagetables:371 bounce:0 [ 334.948065] free:36957 free_pcp:662 free_cma:0 [ 335.100076] Node 0 active_anon:19756kB inactive_anon:164kB active_file:1576kB inactive_file:2316kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:2584kB dirty:12kB writeback:20kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 335.160094] DMA32 free:48516kB min:4792kB low:7868kB high:10944kB active_anon:368kB inactive_anon:20kB active_file:424kB inactive_file:20kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:288kB pagetables:164kB bounce:0kB free_pcp:1416kB local_pcp:684kB free_cma:0kB [ 335.220450] lowmem_reserve[]: 0 3437 3437 [ 335.224973] Normal free:23600kB min:5480kB low:9000kB high:12520kB active_anon:19356kB inactive_anon:144kB active_file:444kB inactive_file:2028kB unevictable:0kB writepending:12kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2784kB pagetables:1344kB bounce:0kB free_pcp:1296kB local_pcp:664kB free_cma:0kB [ 335.344827] lowmem_reserve[]: 0 0 0 [ 335.348627] DMA32: 50*4kB (ME) 68*8kB (ME) 44*16kB (ME) 36*32kB (UME) 12*64kB (UME) 9*128kB (UME) 5*256kB (UM) 4*512kB (UM) 0*1024kB 4*2048kB (UM) 0*4096kB = 16040kB [ 335.392280] Normal: 44*4kB (UE) 42*8kB (UM) 124*16kB (UE) 235*32kB (UME) 68*64kB (UM) 14*128kB (UME) 2*256kB (ME) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 16672kB [ 335.450077] 765 total pagecache pages [ 335.453905] 0 pages in swap cache [ 335.457343] Swap cache stats: add 0, delete 0, find 0/0 [ 335.515531] Free swap = 0kB [ 335.530067] Total swap = 0kB [ 335.550052] 1965979 pages RAM [ 335.553165] 0 pages HighMem/MovableOnly [ 335.557126] 315630 pages reserved [ 335.590064] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 335.598970] [ 191] 0 191 5385 185 17 3 0 -1000 udevd [ 335.640071] [ 299] 0 299 5384 184 15 3 0 -1000 udevd [ 335.648954] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 335.710214] [ 1630] 0 1630 30622 173 25 3 0 0 rsyslogd [ 335.719275] [ 1684] 0 1684 4725 50 15 3 0 0 cron [ 335.760069] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 335.769200] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 335.821239] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 335.863325] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 335.880059] [ 1828] 0 1828 17821 197 39 3 0 0 sshd [ 335.888859] [ 1830] 0 1830 32811 1760 27 5 0 0 syz-execprog [ 335.920072] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 335.929552] [ 1849] 0 1849 9360 20 6 3 0 0 syz-executor4 [ 335.960081] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 335.992852] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 336.040064] [ 1853] 0 1853 9360 21 6 3 0 0 syz-executor1 [ 336.049546] [ 1854] 0 1854 9360 21 6 3 0 0 syz-executor0 [ 336.120069] [ 5224] 0 5224 5365 170 15 3 0 -1000 udevd [ 336.128863] [ 6036] 0 6036 9361 15 5 2 0 0 syz-executor5 [ 336.210070] [ 6037] 0 6037 9360 21 6 3 0 0 syz-executor5 [ 336.219559] [ 6866] 0 6866 9361 15 4 2 0 0 syz-executor3 [ 336.260059] [ 6867] 0 6867 9360 21 5 3 0 0 syz-executor3 [ 336.269553] [ 7576] 0 7572 9426 0 9 4 0 1000 syz-executor0 [ 336.290055] [ 7577] 0 7577 9361 15 5 2 0 0 syz-executor2 [ 336.299529] [ 7578] 0 7578 9361 15 5 2 0 0 syz-executor2 [ 336.366925] [ 7581] 0 7579 9426 0 9 4 0 1000 syz-executor4 [ 336.420062] [ 7599] 0 7597 9426 29 8 4 0 1000 syz-executor3 [ 336.429547] [ 7623] 0 7620 9426 29 10 4 0 1000 syz-executor5 [ 336.450439] [ 7640] 0 7640 1050 17 7 3 0 0 sh [ 336.458966] [ 7641] 0 7641 2135 23 10 3 0 0 ip [ 336.467493] Out of memory: Kill process 7597 (syz-executor3) score 999 or sacrifice child [ 336.477428] Killed process 7599 (syz-executor3) total-vm:37704kB, anon-rss:116kB, file-rss:0kB, shmem-rss:0kB [ 336.501120] oom_reaper: reaped process 7599 (syz-executor3), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 337.155226] syz-executor4 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=1000 [ 337.195107] CPU: 0 PID: 7581 Comm: syz-executor4 Not tainted 4.14.75+ #18 [ 337.202050] Call Trace: [ 337.204632] dump_stack+0xb9/0x11b [ 337.208181] dump_header+0x17d/0x7a8 [ 337.211891] ? trace_hardirqs_on_caller+0x381/0x520 [ 337.216901] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 337.221998] ? ___ratelimit+0x4f/0x3f0 [ 337.225896] oom_kill_process.cold.8+0x10/0xc88 [ 337.230572] ? lock_downgrade+0x560/0x560 [ 337.234710] ? check_preemption_disabled+0x34/0x160 [ 337.239721] out_of_memory+0x669/0xa60 [ 337.243603] ? oom_killer_disable+0x1f0/0x1f0 [ 337.248096] __alloc_pages_nodemask+0x1949/0x2300 [ 337.252943] ? retint_kernel+0x2d/0x2d [ 337.256822] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 337.261651] ? retint_kernel+0x2d/0x2d [ 337.265527] ? trace_hardirqs_on_caller+0x381/0x520 [ 337.270531] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 337.275304] __vmalloc_node_range+0x283/0x680 [ 337.279796] ? SyS_init_module+0x119/0x1e0 [ 337.284020] __vmalloc+0x63/0x80 [ 337.287388] ? SyS_init_module+0x119/0x1e0 [ 337.291613] SyS_init_module+0x119/0x1e0 [ 337.295661] ? load_module+0x9150/0x9150 [ 337.299724] ? do_syscall_64+0x43/0x4b0 [ 337.303683] ? load_module+0x9150/0x9150 [ 337.307740] do_syscall_64+0x19b/0x4b0 [ 337.311624] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 337.316799] RIP: 0033:0x457519 [ 337.319971] RSP: 002b:00007f2ad4bafc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000af [ 337.327668] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457519 [ 337.334930] RDX: 00000000200000c0 RSI: 00000000fffffc2f RDI: 0000000020000140 [ 337.342187] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 337.349446] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2ad4bb06d4 [ 337.356703] R13: 00000000004bdd3a R14: 00000000004ce230 R15: 00000000ffffffff [ 337.451769] Mem-Info: [ 337.454226] active_anon:4909 inactive_anon:41 isolated_anon:0 [ 337.454226] active_file:61 inactive_file:10 isolated_file:8 [ 337.454226] unevictable:0 dirty:6 writeback:0 unstable:0 [ 337.454226] slab_reclaimable:6190 slab_unreclaimable:55967 [ 337.454226] mapped:40 shmem:48 pagetables:387 bounce:0 [ 337.454226] free:5887 free_pcp:16 free_cma:0 [ 337.488618] Node 0 active_anon:19636kB inactive_anon:164kB active_file:140kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):32kB mapped:160kB dirty:24kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 337.514109] DMA32 free:18380kB min:4792kB low:7868kB high:10944kB active_anon:376kB inactive_anon:24kB active_file:468kB inactive_file:232kB unevictable:0kB writepending:12kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:256kB pagetables:224kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 337.543000] lowmem_reserve[]: 0 3437 3437 [ 337.547750] Normal free:5168kB min:5480kB low:9000kB high:12520kB active_anon:19260kB inactive_anon:140kB active_file:128kB inactive_file:348kB unevictable:0kB writepending:12kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2720kB pagetables:1324kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 337.577133] lowmem_reserve[]: 0 0 0 [ 337.580815] DMA32: 51*4kB (UME) 67*8kB (UME) 53*16kB (UME) 40*32kB (UME) 12*64kB (ME) 17*128kB (UME) 5*256kB (UM) 5*512kB (UM) 1*1024kB (U) 4*2048kB (UM) 0*4096kB = 18868kB [ 337.596502] Normal: 40*4kB (UM) 45*8kB (UME) 22*16kB (UM) 10*32kB (UM) 3*64kB (ME) 20*128kB (UM) 7*256kB (UE) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5736kB [ 337.610617] 120 total pagecache pages [ 337.614425] 0 pages in swap cache [ 337.617865] Swap cache stats: add 0, delete 0, find 0/0 [ 337.623274] Free swap = 0kB [ 337.626286] Total swap = 0kB [ 337.629289] 1965979 pages RAM [ 337.632956] 0 pages HighMem/MovableOnly [ 337.637315] 315630 pages reserved [ 337.641139] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 337.649954] [ 191] 0 191 5385 185 17 3 0 -1000 udevd [ 337.658782] [ 299] 0 299 5384 184 15 3 0 -1000 udevd [ 337.668185] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 337.677364] [ 1630] 0 1630 30622 173 25 3 0 0 rsyslogd [ 337.686469] [ 1684] 0 1684 4725 50 15 3 0 0 cron [ 337.712313] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 337.746648] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 337.775565] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 337.800705] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 337.830129] [ 1828] 0 1828 17821 197 39 3 0 0 sshd [ 337.865359] [ 1830] 0 1830 32811 1760 27 5 0 0 syz-execprog [ 337.884704] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 337.905425] [ 1849] 0 1849 9360 20 6 3 0 0 syz-executor4 [ 337.924769] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 337.943038] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 337.962414] [ 1853] 0 1853 9360 21 6 3 0 0 syz-executor1 [ 338.017362] [ 1854] 0 1854 9360 21 6 3 0 0 syz-executor0 [ 338.051111] [ 5224] 0 5224 5365 170 15 3 0 -1000 udevd [ 338.060162] [ 6036] 0 6036 9361 15 5 2 0 0 syz-executor5 [ 338.082642] [ 6037] 0 6037 9360 21 6 3 0 0 syz-executor5 [ 338.093675] [ 6866] 0 6866 9361 15 4 2 0 0 syz-executor3 [ 338.103578] [ 6867] 0 6867 9360 21 5 3 0 0 syz-executor3 [ 338.115787] [ 7577] 0 7577 9361 15 5 2 0 0 syz-executor2 [ 338.126867] [ 7578] 0 7578 9361 15 5 2 0 0 syz-executor2 [ 338.137267] [ 7581] 0 7579 9426 0 9 4 0 1000 syz-executor4 [ 338.152542] [ 7599] 0 7597 9426 0 8 4 0 1000 syz-executor3 [ 338.188489] [ 7623] 0 7620 9426 29 10 4 0 1000 syz-executor5 [ 338.231228] [ 7648] 0 7647 9426 29 9 4 0 1000 syz-executor1 [ 338.247040] [ 7649] 0 7649 1050 17 8 3 0 0 sh [ 338.256091] [ 7650] 0 7650 2102 22 9 3 0 0 ip [ 338.265839] [ 7653] 0 7653 1577 28 9 3 0 0 modprobe [ 338.275527] Out of memory: Kill process 7620 (syz-executor5) score 999 or sacrifice child [ 338.284905] Killed process 7623 (syz-executor5) total-vm:37704kB, anon-rss:116kB, file-rss:0kB, shmem-rss:0kB [ 338.296852] oom_reaper: reaped process 7623 (syz-executor5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 338.340201] oom_reaper: reaped process 7651 (syz-executor1), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 338.360793] rsyslogd invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 338.401422] CPU: 0 PID: 1633 Comm: rsyslogd Not tainted 4.14.75+ #18 [ 338.407921] Call Trace: [ 338.410500] dump_stack+0xb9/0x11b [ 338.414036] dump_header+0x17d/0x7a8 [ 338.417742] ? trace_hardirqs_on_caller+0x381/0x520 [ 338.422747] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 338.427839] ? ___ratelimit+0x4f/0x3f0 [ 338.431721] oom_kill_process.cold.8+0x10/0xc88 [ 338.436400] ? lock_downgrade+0x560/0x560 [ 338.440737] ? check_preemption_disabled+0x34/0x160 [ 338.445751] out_of_memory+0x669/0xa60 [ 338.449630] ? oom_killer_disable+0x1f0/0x1f0 [ 338.454127] __alloc_pages_nodemask+0x1949/0x2300 [ 338.458980] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 338.463816] ? find_get_entry+0x118/0x550 [ 338.467961] ? __radix_tree_lookup+0x220/0x220 [ 338.472534] ? check_preemption_disabled+0x34/0x160 [ 338.477543] ? find_get_entry+0x13f/0x550 [ 338.481688] ? pagecache_get_page+0x129/0x770 [ 338.486182] filemap_fault+0xcdd/0x14a0 [ 338.490164] ext4_filemap_fault+0x7d/0xb0 [ 338.494301] __do_fault+0x80/0x210 [ 338.497832] __handle_mm_fault+0xe04/0x23a0 [ 338.502143] ? SyS_read+0x158/0x1a0 [ 338.505760] ? vm_insert_page+0x6d0/0x6d0 [ 338.509917] ? __fsnotify_parent+0xb1/0x300 [ 338.514246] ? check_preemption_disabled+0x34/0x160 [ 338.519255] handle_mm_fault+0x2f2/0x6eb [ 338.523310] __do_page_fault+0x45d/0xb60 [ 338.527363] ? retint_user+0x18/0x18 [ 338.531064] ? bad_area_access_error+0x330/0x330 [ 338.535809] ? page_fault+0x2c/0x50 [ 338.539422] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 338.544267] ? page_fault+0x2c/0x50 [ 338.547890] page_fault+0x42/0x50 [ 338.551338] RIP: 997c65a3:0xdb [ 338.554517] RSP: 97f90d88:0000000000000006 EFLAGS: 00000000 [ 338.920046] Mem-Info: [ 338.928197] active_anon:4935 inactive_anon:41 isolated_anon:0 [ 338.928197] active_file:28 inactive_file:5 isolated_file:0 [ 338.928197] unevictable:0 dirty:0 writeback:2 unstable:0 [ 338.928197] slab_reclaimable:6207 slab_unreclaimable:56035 [ 338.928197] mapped:3 shmem:48 pagetables:387 bounce:0 [ 338.928197] free:4639 free_pcp:19 free_cma:0 [ 339.050063] Node 0 active_anon:19688kB inactive_anon:164kB active_file:112kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:12kB dirty:0kB writeback:8kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 339.120065] DMA32 free:16148kB min:4792kB low:7868kB high:10944kB active_anon:396kB inactive_anon:24kB active_file:84kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:288kB pagetables:204kB bounce:0kB free_pcp:64kB local_pcp:64kB free_cma:0kB [ 339.210709] lowmem_reserve[]: 0 3437 3437 [ 339.214937] Normal free:2768kB min:5480kB low:9000kB high:12520kB active_anon:19296kB inactive_anon:140kB active_file:68kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2752kB pagetables:1280kB bounce:0kB free_pcp:12kB local_pcp:12kB free_cma:0kB [ 339.330047] lowmem_reserve[]: 0 0 0 [ 339.333715] DMA32: 36*4kB (UM) 60*8kB (ME) 52*16kB (ME) 46*32kB (UME) 7*64kB (ME) 7*128kB (ME) 5*256kB (UM) 3*512kB (M) 1*1024kB (U) 4*2048kB (UM) 0*4096kB = 16304kB [ 339.391967] Normal: 34*4kB (UME) 37*8kB (UM) 26*16kB (UME) 8*32kB (UME) 4*64kB (M) 11*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 2768kB [ 339.431972] 79 total pagecache pages [ 339.435709] 0 pages in swap cache [ 339.439152] Swap cache stats: add 0, delete 0, find 0/0 [ 339.480765] Free swap = 0kB [ 339.483810] Total swap = 0kB [ 339.486811] 1965979 pages RAM [ 339.489902] 0 pages HighMem/MovableOnly [ 339.520752] 315630 pages reserved [ 339.524226] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 339.560769] [ 191] 0 191 5385 185 17 3 0 -1000 udevd [ 339.569557] [ 299] 0 299 5384 184 15 3 0 -1000 udevd [ 339.621438] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 339.661448] [ 1630] 0 1630 30622 174 25 3 0 0 rsyslogd [ 339.691331] [ 1684] 0 1684 4725 50 15 3 0 0 cron [ 339.721439] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 339.751328] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 339.791355] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 339.821491] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 339.850350] [ 1828] 0 1828 17821 197 39 3 0 0 sshd [ 339.873542] [ 1830] 0 1830 32811 1760 27 5 0 0 syz-execprog 2018/10/11 19:04:30 executed programs: 123 [ 339.924722] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 339.990777] [ 1849] 0 1849 9360 20 6 3 0 0 syz-executor4 [ 340.035966] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 340.081063] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 340.126845] [ 1853] 0 1853 9360 53 6 3 0 0 syz-executor1 [ 340.174608] [ 1854] 0 1854 9360 146 6 3 0 0 syz-executor0 [ 340.220718] [ 5224] 0 5224 5365 549 15 3 0 -1000 udevd [ 340.258967] [ 6036] 0 6036 9361 15 5 2 0 0 syz-executor5 [ 340.295170] [ 6037] 0 6037 9360 21 6 3 0 0 syz-executor5 [ 340.338362] [ 6866] 0 6866 9361 15 4 2 0 0 syz-executor3 [ 340.376891] [ 6867] 0 6867 9360 193 5 3 0 0 syz-executor3 [ 340.416162] [ 7577] 0 7577 9361 15 5 2 0 0 syz-executor2 [ 340.454607] [ 7578] 0 7578 9361 15 5 2 0 0 syz-executor2 [ 340.491664] [ 7581] 0 7579 9426 0 9 4 0 1000 syz-executor4 [ 340.531188] [ 7623] 0 7620 9426 0 10 4 0 1000 syz-executor5 [ 340.568358] [ 7648] 0 7647 9426 0 9 4 0 1000 syz-executor1 [ 340.603268] [ 7654] 0 7654 9393 21 8 4 0 1000 syz-executor3 [ 340.642833] [ 7655] 0 7655 9393 21 9 4 0 1000 syz-executor0 [ 340.677865] [ 7682] 0 7682 1050 120 8 3 0 0 sh [ 340.709660] [ 7683] 0 7683 2102 173 9 3 0 0 ip [ 340.753087] Out of memory: Kill process 1830 (syz-execprog) score 1 or sacrifice child [ 340.793664] Killed process 6036 (syz-executor5) total-vm:37444kB, anon-rss:60kB, file-rss:0kB, shmem-rss:0kB 2018/10/11 19:04:32 result: failed=false hanged=false err=executor 5: 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" [ 343.448520] oom_reaper: reaped process 7658 (syz-executor0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 343.461648] rsyslogd invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 343.474231] CPU: 1 PID: 1633 Comm: rsyslogd Not tainted 4.14.75+ #18 [ 343.480714] Call Trace: [ 343.483299] dump_stack+0xb9/0x11b [ 343.486834] dump_header+0x17d/0x7a8 [ 343.490543] ? trace_hardirqs_on_caller+0x381/0x520 [ 343.495552] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 343.500648] ? ___ratelimit+0x4f/0x3f0 [ 343.504528] oom_kill_process.cold.8+0x10/0xc88 [ 343.509185] ? lock_downgrade+0x560/0x560 [ 343.513328] ? check_preemption_disabled+0x34/0x160 [ 343.518340] out_of_memory+0x669/0xa60 [ 343.522225] ? oom_killer_disable+0x1f0/0x1f0 [ 343.526725] __alloc_pages_nodemask+0x1949/0x2300 [ 343.531578] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 343.536422] ? find_get_entry+0x118/0x550 [ 343.540567] ? __radix_tree_lookup+0x220/0x220 [ 343.545142] ? check_preemption_disabled+0x34/0x160 [ 343.550151] ? find_get_entry+0x13f/0x550 [ 343.554296] ? pagecache_get_page+0x129/0x770 [ 343.558786] filemap_fault+0xcdd/0x14a0 [ 343.562772] ext4_filemap_fault+0x7d/0xb0 [ 343.566914] __do_fault+0x80/0x210 [ 343.570448] __handle_mm_fault+0xe04/0x23a0 [ 343.574760] ? SyS_read+0x158/0x1a0 [ 343.578376] ? vm_insert_page+0x6d0/0x6d0 [ 343.582514] ? __fsnotify_parent+0xb1/0x300 [ 343.586845] ? check_preemption_disabled+0x34/0x160 [ 343.591862] handle_mm_fault+0x2f2/0x6eb [ 343.595928] __do_page_fault+0x45d/0xb60 [ 343.599986] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 343.605336] ? bad_area_access_error+0x330/0x330 [ 343.610080] ? page_fault+0x2c/0x50 [ 343.613697] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 343.618532] ? page_fault+0x2c/0x50 [ 343.622148] page_fault+0x42/0x50 [ 343.625589] RIP: 97f919c0:0x7fb39b036040 [ 343.629635] RSP: 1496650:0000000000000000 EFLAGS: 0065e420 [ 343.632887] Mem-Info: [ 343.640973] active_anon:4934 inactive_anon:41 isolated_anon:0 [ 343.640973] active_file:48 inactive_file:21 isolated_file:0 [ 343.640973] unevictable:0 dirty:0 writeback:0 unstable:0 [ 343.640973] slab_reclaimable:6205 slab_unreclaimable:56077 [ 343.640973] mapped:2 shmem:48 pagetables:364 bounce:0 [ 343.640973] free:4836 free_pcp:0 free_cma:0 [ 343.683236] Node 0 active_anon:19736kB inactive_anon:164kB active_file:88kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 343.723031] DMA32 free:16024kB min:4792kB low:7868kB high:10944kB active_anon:464kB inactive_anon:12kB active_file:24kB inactive_file:8kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:160kB pagetables:164kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB [ 343.761384] lowmem_reserve[]: 0 3437 3437 [ 343.765572] Normal free:2228kB min:5480kB low:9000kB high:12520kB active_anon:19272kB inactive_anon:152kB active_file:76kB inactive_file:108kB unevictable:0kB writepending:0kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2880kB pagetables:1292kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB [ 343.841477] lowmem_reserve[]: 0 0 0 [ 343.845150] DMA32: 8*4kB (UM) 59*8kB (ME) 37*16kB (ME) 42*32kB (UME) 10*64kB (ME) 9*128kB (UME) 5*256kB (M) 3*512kB (M) 1*1024kB (U) 4*2048kB (UM) 0*4096kB = 16264kB [ 343.880103] Normal: 15*4kB (UME) 25*8kB (ME) 46*16kB (UME) 26*32kB (UE) 8*64kB (U) 1*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 2468kB [ 343.910045] 102 total pagecache pages [ 343.913849] 0 pages in swap cache [ 343.917297] Swap cache stats: add 0, delete 0, find 0/0 [ 343.930045] Free swap = 0kB [ 343.933064] Total swap = 0kB [ 343.936066] 1965979 pages RAM [ 343.939155] 0 pages HighMem/MovableOnly [ 343.965319] 315630 pages reserved [ 343.968788] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 344.004657] [ 191] 0 191 5385 186 17 3 0 -1000 udevd [ 344.023650] [ 299] 0 299 5384 184 15 3 0 -1000 udevd [ 344.040846] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 344.049883] [ 1630] 0 1630 30622 174 25 3 0 0 rsyslogd [ 344.088802] [ 1684] 0 1684 4725 50 15 3 0 0 cron [ 344.110054] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 344.119170] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 344.147883] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 344.166559] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 344.187053] [ 1828] 0 1828 17821 197 39 3 0 0 sshd [ 344.210075] [ 1830] 0 1830 32811 1760 27 5 0 0 syz-execprog [ 344.269205] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 344.286579] [ 1849] 0 1849 9360 20 6 3 0 0 syz-executor4 [ 344.312454] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 344.331771] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 344.351076] [ 1853] 0 1853 9360 21 6 3 0 0 syz-executor1 [ 344.369450] [ 1854] 0 1854 9360 21 6 3 0 0 syz-executor0 [ 344.432387] [ 5224] 0 5224 5365 170 15 3 0 -1000 udevd [ 344.470099] [ 6866] 0 6866 9361 15 4 2 0 0 syz-executor3 [ 344.479702] [ 6867] 0 6867 9360 21 5 3 0 0 syz-executor3 [ 344.542375] [ 7577] 0 7577 9361 15 5 2 0 0 syz-executor2 [ 344.580136] [ 7578] 0 7578 9361 37 5 2 0 0 syz-executor2 [ 344.589618] [ 7660] 0 7654 9426 29 8 4 0 1000 syz-executor3 [ 344.631265] [ 7658] 0 7655 9426 0 9 4 0 1000 syz-executor0 [ 344.670207] [ 7710] 0 7708 9426 29 9 4 0 1000 syz-executor1 [ 344.679854] [ 7725] 0 7725 9361 16 6 2 0 0 syz-executor5 [ 344.710111] [ 7727] 0 7727 9361 16 6 2 0 0 syz-executor5 [ 344.719583] [ 7738] 0 7738 9393 20 9 4 0 1000 syz-executor4 [ 344.752976] [ 7740] 0 7740 1050 18 7 3 0 0 sh [ 344.826087] [ 7744] 0 7744 2135 160 10 3 0 0 ip [ 344.863173] [ 7745] 0 7745 97 1 6 3 0 0 modprobe [ 344.883651] [ 7746] 0 7746 1017 128 7 3 0 0 sh [ 344.901263] Out of memory: Kill process 7708 (syz-executor1) score 999 or sacrifice child [ 344.918582] Killed process 7710 (syz-executor1) total-vm:37704kB, anon-rss:116kB, file-rss:0kB, shmem-rss:0kB [ 344.980702] oom_reaper: reaped process 7710 (syz-executor1), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 345.012396] syz-executor5 invoked oom-killer: gfp_mask=0x15080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null), order=0, oom_score_adj=0 [ 345.057242] CPU: 0 PID: 7749 Comm: syz-executor5 Not tainted 4.14.75+ #18 [ 345.064193] Call Trace: [ 345.066779] dump_stack+0xb9/0x11b [ 345.070321] dump_header+0x17d/0x7a8 [ 345.074025] ? trace_hardirqs_on_caller+0x381/0x520 [ 345.079031] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 345.084129] ? ___ratelimit+0x4f/0x3f0 [ 345.088012] oom_kill_process.cold.8+0x10/0xc88 [ 345.092677] ? lock_downgrade+0x560/0x560 [ 345.096822] ? check_preemption_disabled+0x34/0x160 [ 345.101838] out_of_memory+0x669/0xa60 [ 345.105718] ? oom_killer_disable+0x1f0/0x1f0 [ 345.110217] __alloc_pages_nodemask+0x1949/0x2300 [ 345.115067] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 345.119899] ? graph_lock+0xd0/0xd0 [ 345.123523] ? __lock_acquire+0x619/0x4320 [ 345.127761] ? trace_hardirqs_on+0x10/0x10 [ 345.131985] ? generic_file_readonly_mmap+0x180/0x180 [ 345.137165] pte_alloc_one+0x18/0xf0 [ 345.140864] ? generic_file_readonly_mmap+0x180/0x180 [ 345.146045] __handle_mm_fault+0x1b72/0x23a0 [ 345.150442] ? vm_insert_page+0x6d0/0x6d0 [ 345.154599] ? check_preemption_disabled+0x34/0x160 [ 345.159603] handle_mm_fault+0x2f2/0x6eb [ 345.163656] __do_page_fault+0x45d/0xb60 [ 345.167708] ? ret_from_fork+0x1a/0x50 [ 345.171580] ? bad_area_access_error+0x330/0x330 [ 345.176322] ? page_fault+0x2c/0x50 [ 345.179938] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 345.184771] ? page_fault+0x2c/0x50 [ 345.188387] page_fault+0x42/0x50 [ 345.191822] RIP: 412e20: (null) [ 345.195866] RSP: 0000:00007ffd1bdfd0c0 EFLAGS: 00412d90 [ 345.640199] Mem-Info: [ 345.648157] active_anon:4950 inactive_anon:41 isolated_anon:0 [ 345.648157] active_file:72 inactive_file:177 isolated_file:0 [ 345.648157] unevictable:0 dirty:0 writeback:0 unstable:0 [ 345.648157] slab_reclaimable:6192 slab_unreclaimable:55881 [ 345.648157] mapped:179 shmem:48 pagetables:361 bounce:0 [ 345.648157] free:9924 free_pcp:605 free_cma:0 [ 345.752999] Node 0 active_anon:19700kB inactive_anon:164kB active_file:80kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:116kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 345.820696] DMA32 free:18024kB min:4792kB low:7868kB high:10944kB active_anon:276kB inactive_anon:8kB active_file:0kB inactive_file:308kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:192kB pagetables:132kB bounce:0kB free_pcp:620kB local_pcp:0kB free_cma:0kB [ 345.904884] lowmem_reserve[]: 0 3437 3437 [ 345.936245] Normal free:9508kB min:5480kB low:9000kB high:12520kB active_anon:19224kB inactive_anon:156kB active_file:0kB inactive_file:128kB unevictable:0kB writepending:0kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2880kB pagetables:1312kB bounce:0kB free_pcp:864kB local_pcp:120kB free_cma:0kB [ 346.022117] lowmem_reserve[]: 0 0 0 [ 346.038148] DMA32: 44*4kB (UME) 110*8kB (UME) 38*16kB (UME) 41*32kB (ME) 15*64kB (UME) 8*128kB (ME) 9*256kB (UM) 7*512kB (UM) 0*1024kB 4*2048kB (UM) 0*4096kB = 19040kB [ 346.109226] Normal: 11*4kB (UM) 25*8kB (M) 15*16kB (M) 2*32kB (M) 40*64kB (UM) 15*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5028kB [ 346.150098] 106 total pagecache pages [ 346.154004] 0 pages in swap cache [ 346.157514] Swap cache stats: add 0, delete 0, find 0/0 [ 346.198921] Free swap = 0kB [ 346.207515] Total swap = 0kB [ 346.217293] 1965979 pages RAM [ 346.239667] 0 pages HighMem/MovableOnly [ 346.252606] 315630 pages reserved [ 346.287316] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 346.332452] [ 191] 0 191 5385 185 17 3 0 -1000 udevd [ 346.376620] [ 299] 0 299 5384 184 15 3 0 -1000 udevd [ 346.438603] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 346.473289] [ 1630] 0 1630 30622 174 25 3 0 0 rsyslogd [ 346.493335] [ 1684] 0 1684 4725 50 15 3 0 0 cron [ 346.513052] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 346.560825] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 346.577523] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 346.614887] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 346.650082] [ 1828] 0 1828 17821 197 39 3 0 0 sshd [ 346.658912] [ 1830] 0 1830 32811 1762 27 5 0 0 syz-execprog [ 346.700057] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 346.709546] [ 1849] 0 1849 9360 20 6 3 0 0 syz-executor4 [ 346.741375] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 346.761384] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 346.780783] [ 1853] 0 1853 9360 21 6 3 0 0 syz-executor1 [ 346.800798] [ 1854] 0 1854 9360 21 6 3 0 0 syz-executor0 [ 346.821430] [ 5224] 0 5224 5365 170 15 3 0 -1000 udevd [ 346.847568] [ 6866] 0 6866 9361 15 4 2 0 0 syz-executor3 [ 346.888453] [ 6867] 0 6867 9360 21 5 3 0 0 syz-executor3 [ 346.897969] [ 7577] 0 7577 9361 15 5 2 0 0 syz-executor2 [ 346.947185] [ 7578] 0 7578 9361 15 5 2 0 0 syz-executor2 [ 346.956706] [ 7660] 0 7654 9426 29 8 4 0 1000 syz-executor3 [ 346.991298] [ 7710] 0 7708 9426 0 9 4 0 1000 syz-executor1 [ 347.011376] [ 7725] 0 7725 9361 16 6 2 0 0 syz-executor5 [ 347.033815] [ 7727] 0 7727 9361 16 6 2 0 0 syz-executor5 [ 347.053866] [ 7741] 0 7738 9426 28 9 4 0 1000 syz-executor4 [ 347.065840] [ 7749] 0 7749 9361 16 5 2 0 0 syz-executor5 [ 347.100072] [ 7755] 0 7755 1050 21 8 3 0 0 sh [ 347.150076] Out of memory: Kill process 7654 (syz-executor3) score 999 or sacrifice child [ 347.158491] Killed process 7660 (syz-executor3) total-vm:37704kB, anon-rss:116kB, file-rss:0kB, shmem-rss:0kB [ 347.240830] oom_reaper: reaped process 7660 (syz-executor3), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB 2018/10/11 19:04:37 executed programs: 128 [ 347.665404] oom_reaper: reaped process 7741 (syz-executor4), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 347.802450] sh invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 347.824538] CPU: 1 PID: 7762 Comm: sh Not tainted 4.14.75+ #18 [ 347.830524] Call Trace: [ 347.833110] dump_stack+0xb9/0x11b [ 347.836651] dump_header+0x17d/0x7a8 [ 347.840361] ? trace_hardirqs_on_caller+0x381/0x520 [ 347.845370] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 347.850676] ? ___ratelimit+0x4f/0x3f0 [ 347.854575] oom_kill_process.cold.8+0x10/0xc88 [ 347.859244] ? lock_downgrade+0x560/0x560 [ 347.863396] ? check_preemption_disabled+0x34/0x160 [ 347.868426] out_of_memory+0x669/0xa60 [ 347.872315] ? oom_killer_disable+0x1f0/0x1f0 [ 347.876814] __alloc_pages_nodemask+0x1949/0x2300 [ 347.881671] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 347.886509] ? find_get_entry+0x118/0x550 [ 347.890650] ? check_preemption_disabled+0x34/0x160 [ 347.895661] ? check_preemption_disabled+0x34/0x160 [ 347.900675] ? find_get_entry+0x13f/0x550 [ 347.904820] ? pagecache_get_page+0x129/0x770 [ 347.909322] filemap_fault+0xcdd/0x14a0 [ 347.913308] ext4_filemap_fault+0x7d/0xb0 [ 347.917450] __do_fault+0x80/0x210 [ 347.920983] __handle_mm_fault+0xe04/0x23a0 [ 347.925293] ? cp_new_stat+0x47c/0x590 [ 347.929171] ? cp_old_stat+0x6e0/0x6e0 [ 347.933051] ? vm_insert_page+0x6d0/0x6d0 [ 347.937215] ? check_preemption_disabled+0x34/0x160 [ 347.942242] handle_mm_fault+0x2f2/0x6eb [ 347.946302] __do_page_fault+0x45d/0xb60 [ 347.950361] ? retint_user+0x18/0x18 [ 347.954071] ? bad_area_access_error+0x330/0x330 [ 347.958820] ? page_fault+0x2c/0x50 [ 347.962437] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 347.967274] ? page_fault+0x2c/0x50 [ 347.970901] page_fault+0x42/0x50 [ 347.974341] RIP: 61c3b0: (null) [ 347.978901] RSP: 0000:0000000000000001 EFLAGS: 00000000 [ 347.993287] Mem-Info: [ 348.006657] active_anon:4950 inactive_anon:41 isolated_anon:0 [ 348.006657] active_file:39 inactive_file:0 isolated_file:0 [ 348.006657] unevictable:0 dirty:0 writeback:0 unstable:0 [ 348.006657] slab_reclaimable:6291 slab_unreclaimable:55800 [ 348.006657] mapped:22 shmem:48 pagetables:365 bounce:0 [ 348.006657] free:4451 free_pcp:235 free_cma:0 [ 348.038774] Node 0 active_anon:19800kB inactive_anon:164kB active_file:156kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 348.061430] DMA32 free:64024kB min:4792kB low:7868kB high:10944kB active_anon:388kB inactive_anon:8kB active_file:48kB inactive_file:80kB unevictable:0kB writepending:0kB present:3145324kB managed:3079672kB mlocked:0kB kernel_stack:224kB pagetables:128kB bounce:0kB free_pcp:808kB local_pcp:80kB free_cma:0kB [ 348.088852] lowmem_reserve[]: 0 3437 3437 [ 348.093294] Normal free:36884kB min:5480kB low:9000kB high:12520kB active_anon:19300kB inactive_anon:156kB active_file:60kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3521724kB mlocked:0kB kernel_stack:2816kB pagetables:1360kB bounce:0kB free_pcp:780kB local_pcp:120kB free_cma:0kB [ 348.131164] lowmem_reserve[]: 0 0 0 [ 348.140157] DMA32: 1*4kB (M) 1270*8kB (UME) 442*16kB (UME) 260*32kB (UME) 178*64kB (UME) 22*128kB (UME) 8*256kB (UM) 3*512kB (UM) 0*1024kB 4*2048kB (UM) 0*4096kB = 51540kB [ 348.166668] Normal: 40*4kB (UMH) 38*8kB (UMH) 34*16kB (UMH) 10*32kB (UMH) 3*64kB (UH) 8*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 2544kB [ 348.190655] 130 total pagecache pages [ 348.194476] 0 pages in swap cache [ 348.197917] Swap cache stats: add 0, delete 0, find 0/0 [ 348.220046] Free swap = 0kB [ 348.223676] Total swap = 0kB [ 348.226691] 1965979 pages RAM [ 348.229778] 0 pages HighMem/MovableOnly [ 348.240042] 315630 pages reserved [ 348.244100] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 348.260065] [ 191] 0 191 5385 185 17 3 0 -1000 udevd [ 348.269443] [ 299] 0 299 5384 184 15 3 0 -1000 udevd [ 348.291454] [ 1489] 0 1489 2493 573 10 3 0 0 dhclient [ 348.311504] [ 1630] 0 1630 30622 174 25 3 0 0 rsyslogd [ 348.330822] [ 1684] 0 1684 4725 50 15 3 0 0 cron [ 348.339531] [ 1696] 0 1696 3735 44 11 3 0 0 mcstransd [ 348.370904] [ 1708] 0 1708 12927 1231 27 3 0 0 restorecond [ 348.393274] [ 1731] 0 1731 12490 153 28 3 0 -1000 sshd [ 348.413290] [ 1761] 0 1761 3649 40 13 3 0 0 getty [ 348.433191] [ 1828] 0 1828 17821 197 39 3 0 0 sshd [ 348.453213] [ 1830] 0 1830 32811 1762 27 5 0 0 syz-execprog [ 348.473202] [ 1845] 0 1845 9361 15 5 2 0 0 syz-executor4 [ 348.493207] [ 1849] 0 1849 9360 20 6 3 0 0 syz-executor4 [ 348.520057] [ 1850] 0 1850 9361 15 5 2 0 0 syz-executor1 [ 348.529511] [ 1852] 0 1852 9361 15 5 2 0 0 syz-executor0 [ 348.582423] [ 1853] 0 1853 9360 21 6 3 0 0 syz-executor1 [ 348.621619] [ 1854] 0 1854 9360 21 6 3 0 0 syz-executor0 [ 348.650860] [ 5224] 0 5224 5365 170 15 3 0 -1000 udevd [ 348.659638] [ 6866] 0 6866 9361 15 4 2 0 0 syz-executor3 [ 348.712420] [ 6867] 0 6867 9360 21 5 3 0 0 syz-executor3 [ 348.750885] [ 7577] 0 7577 9361 15 5 2 0 0 syz-executor2 [ 348.780685] [ 7578] 0 7578 9361 15 5 2 0 0 syz-executor2 [ 348.820858] [ 7660] 0 7654 9426 0 8 4 0 1000 syz-executor3 [ 348.852557] [ 7725] 0 7725 9361 16 6 2 0 0 syz-executor5 [ 348.880885] [ 7727] 0 7727 9361 16 6 2 0 0 syz-executor5 [ 348.910957] [ 7741] 0 7738 9426 0 9 4 0 1000 syz-executor4 [ 348.940057] [ 7757] 0 7757 9393 21 9 4 0 1000 syz-executor0 [ 348.949538] [ 7762] 0 7762 1050 18 7 3 0 0 sh [ 349.000052] [ 7764] 0 7764 1050 17 8 3 0 0 sh [ 349.008563] [ 7765] 0 7765 2135 22 10 3 0 0 ip [ 349.030809] Out of memory: Kill process 7757 (syz-executor0) score 999 or sacrifice child [ 349.039158] Killed process 7757 (syz-executor0) total-vm:37572kB, anon-rss:84kB, file-rss:0kB, shmem-rss:0kB [ 349.094884] oom_reaper: reaped process 7757 (syz-executor0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 349.130167] syz-executor0: page allocation failure: order:0, mode:0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null) [ 349.143726] syz-executor1 invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [