Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 9.286758] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 14.811731] random: sshd: uninitialized urandom read (32 bytes read) [ 14.970483] random: sshd: uninitialized urandom read (32 bytes read) [ 15.174878] random: crng init done Warning: Permanently added '10.128.0.198' (ECDSA) to the list of known hosts. 2019/09/07 01:16:16 parsed 1 programs 2019/09/07 01:16:17 executed programs: 0 [ 96.101318] audit: type=1400 audit(1567818978.000:5): avc: denied { sys_admin } for pid=2101 comm="syz-executor.2" capability=21 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 96.118458] audit: type=1400 audit(1567818978.020:6): avc: denied { net_admin } for pid=2106 comm="syz-executor.4" capability=12 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 96.467414] audit: type=1400 audit(1567818978.370:7): avc: denied { sys_chroot } for pid=2116 comm="syz-executor.2" capability=18 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 96.493572] audit: type=1400 audit(1567818978.390:8): avc: denied { associate } for pid=2116 comm="syz-executor.2" name="syz2" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 [ 97.718811] lowmemorykiller: Killing 'syz-executor.0' (2290) (tgid 2284), adj 1000, [ 97.718811] to free 1092kB on behalf of 'syz-executor.5' (2283) because [ 97.718811] cache 54216kB is below limit 65536kB for oom_score_adj 12 [ 97.718811] Free memory is -12956kB above reserved [ 97.719462] lowmemorykiller: Killing 'syz-executor.0' (2290) (tgid 2284), adj 1000, [ 97.719462] to free 1092kB on behalf of 'kswapd0' (33) because [ 97.719462] cache 53616kB is below limit 65536kB for oom_score_adj 12 [ 97.719462] Free memory is -12256kB above reserved [ 98.024809] syz-executor.4 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 [ 98.060070] CPU: 0 PID: 2277 Comm: syz-executor.4 Not tainted 4.9.141+ #1 [ 98.066995] ffff8801c24d7518 ffffffff81b42e79 ffff8801c24d78d8 ffffffff833e92b0 [ 98.075020] 00000000000003e8 ffff8801c24d78f0 0000000000000000 ffff8801c24d7598 [ 98.083025] ffffffff814fb526 0000000000000000 00000000000003e8 ffffffff82816fa5 [ 98.091053] Call Trace: [ 98.093618] [] dump_stack+0xc1/0x128 [ 98.098955] [] dump_header.isra.4+0x142/0x747 [ 98.105169] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 98.112066] [] ? ___ratelimit+0x53/0x401 [ 98.117753] [] oom_kill_process.cold.10+0xd/0xa6e [ 98.124227] [] ? check_preemption_disabled+0x3b/0x200 [ 98.131039] [] ? out_of_memory+0x6d4/0xe90 [ 98.137004] [] out_of_memory+0x292/0xe90 [ 98.142685] [] ? out_of_memory+0x410/0xe90 [ 98.148628] [] ? oom_killer_disable+0x200/0x200 [ 98.154918] [] ? mutex_trylock+0x25d/0x3e0 [ 98.160800] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 98.167609] [] __alloc_pages_nodemask+0x18ee/0x1bd0 [ 98.174246] [] ? _raw_spin_unlock_irq+0x38/0x50 [ 98.180541] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 98.187180] [] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 98.193727] [] ? retint_kernel+0x2d/0x2d [ 98.199414] [] __vmalloc_node_range+0x25b/0x600 [ 98.205706] [] ? xt_alloc_entry_offsets+0x41/0x60 [ 98.212179] [] vmalloc+0x5b/0x70 [ 98.217175] [] ? xt_alloc_entry_offsets+0x41/0x60 [ 98.223639] [] xt_alloc_entry_offsets+0x41/0x60 [ 98.229930] [] translate_table+0x215/0x1600 [ 98.235876] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 98.242599] [] ? compat_do_ipt_get_ctl+0x8e0/0x8e0 [ 98.249151] [] ? __check_object_size+0x248/0x38e [ 98.255530] [] do_ipt_set_ctl+0x2ce/0x460 [ 98.261298] [] ? compat_do_ipt_set_ctl+0x140/0x140 [ 98.267864] [] ? mutex_unlock+0x9/0x10 [ 98.273375] [] ? nf_sockopt_find.constprop.0+0x1b1/0x230 [ 98.280446] [] nf_setsockopt+0x6d/0xc0 [ 98.285956] [] ip_setsockopt+0x88/0xa0 [ 98.291468] [] udp_setsockopt+0x4a/0x90 [ 98.297069] [] ipv6_setsockopt+0x10a/0x130 [ 98.302925] [] tcp_setsockopt+0x88/0xe0 [ 98.308525] [] sock_common_setsockopt+0x9a/0xe0 [ 98.314814] [] SyS_setsockopt+0x166/0x260 [ 98.320592] [] ? SyS_recv+0x40/0x40 [ 98.325844] [] ? SyS_clock_gettime+0x11e/0x1f0 [ 98.332135] [] ? SyS_clock_settime+0x220/0x220 [ 98.338426] [] ? do_syscall_64+0x48/0x550 [ 98.344199] [] ? SyS_recv+0x40/0x40 [ 98.349446] [] do_syscall_64+0x19f/0x550 [ 98.355129] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 98.424367] Mem-Info: [ 98.426798] active_anon:5164 inactive_anon:41 isolated_anon:0 [ 98.426798] active_file:15 inactive_file:21 isolated_file:0 [ 98.426798] unevictable:0 dirty:0 writeback:0 unstable:0 [ 98.426798] slab_reclaimable:4586 slab_unreclaimable:57438 [ 98.426798] mapped:14 shmem:48 pagetables:469 bounce:0 [ 98.426798] free:6036 free_pcp:60 free_cma:0 [ 98.573162] Node 0 active_anon:20656kB inactive_anon:164kB active_file:60kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:56kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 98.640017] DMA32 free:18640kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB [ 98.717728] lowmem_reserve[]: 0 3505 3505 [ 98.722581] Normal free:5504kB min:5580kB low:9168kB high:12756kB active_anon:20656kB inactive_anon:164kB active_file:60kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18344kB slab_unreclaimable:229752kB kernel_stack:4576kB pagetables:1876kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB [ 98.790618] lowmem_reserve[]: 0 0 0 [ 98.810188] DMA32: 2*4kB (M) 3*8kB (M) 3*16kB (UM) 2*32kB (M) 3*64kB (M) 3*128kB (UM) 4*256kB (UM) 1*512kB (M) 2*1024kB (M) 1*2048kB (M) 3*4096kB [ 98.927053] lowmemorykiller: Killing 'syz-executor.0' (2290) (tgid 2284), adj 1000, [ 98.927053] to free 156kB on behalf of 'rsyslogd' (1895) because [ 98.927053] cache 144kB is below limit 6144kB for oom_score_adj 0 [ 98.927053] Free memory is -13360kB above reserved [ 98.927063] lowmemorykiller: Killing 'syz-executor.0' (2290) (tgid 2284), adj 1000, [ 98.927063] to free 156kB on behalf of 'syz-executor.1' (2265) because [ 98.927063] cache 144kB is below limit 6144kB for oom_score_adj 0 [ 98.927063] Free memory is -13360kB above reserved [ 99.026719] (M) = 18640kB [ 99.037320] Normal: 426*4kB (UMH) 203*8kB (UMH) 56*16kB (UMH) 32*32kB (MH) 4*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5504kB 84 total pagecache pages [ 99.123702] 0 pages in swap cache [ 99.134703] Swap cache stats: add 0, delete 0, find 0/0 [ 99.158756] Free swap = 0kB [ 99.166131] Total swap = 0kB [ 99.174680] 1965979 pages RAM [ 99.194108] 0 pages HighMem/MovableOnly [ 99.216781] 313617 pages reserved [ 99.237422] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 99.246151] [ 470] 0 470 5385 189 15 3 0 -1000 udevd [ 99.289634] [ 590] 0 590 5383 176 14 3 0 -1000 udevd [ 99.339960] [ 591] 0 591 5383 176 14 3 0 -1000 udevd [ 99.357168] [ 1750] 0 1750 2492 573 8 3 0 0 dhclient [ 99.366268] [ 1891] 0 1891 14231 108 23 3 0 0 rsyslogd [ 99.411316] [ 1946] 0 1946 4724 51 14 4 0 0 cron [ 99.495804] [ 1964] 0 1964 3736 45 12 3 0 0 mcstransd [ 99.631398] [ 1966] 0 1966 12926 1231 26 3 0 0 restorecond [ 99.786915] [ 1992] 0 1992 12489 152 27 3 0 -1000 sshd [ 99.795572] [ 2022] 0 2022 3648 39 12 3 0 0 getty [ 99.937018] lowmemorykiller: Killing 'syz-executor.0' (2290) (tgid 2284), adj 1000, [ 99.937018] to free 156kB on behalf of 'syz-executor.0' (2290) because [ 99.937018] cache 144kB is below limit 6144kB for oom_score_adj 0 [ 99.937018] Free memory is -13360kB above reserved [ 99.937516] lowmemorykiller: Killing 'syz-executor.0' (2290) (tgid 2284), adj 1000, [ 99.937516] to free 156kB on behalf of 'getty' (2082) because [ 99.937516] cache 144kB is below limit 6144kB for oom_score_adj 0 [ 99.937516] Free memory is -13360kB above reserved [ 100.026898] [ 2077] 0 2077 3648 44 13 3 0 0 getty [ 100.026908] [ 2078] 0 2078 3648 42 13 3 0 0 getty [ 100.026916] [ 2079] 0 2079 3648 42 12 3 0 0 getty [ 100.026926] [ 2080] 0 2080 3648 42 13 3 0 0 getty [ 100.026934] [ 2081] 0 2081 3648 43 13 3 0 0 getty [ 100.026943] [ 2082] 0 2082 3648 43 13 3 0 0 getty [ 100.026950] [ 2083] 0 2083 17820 199 40 3 0 0 sshd [ 100.026956] [ 2085] 0 2085 33838 1521 29 5 0 0 syz-execprog [ 100.026963] [ 2101] 0 2101 9408 16 5 2 0 0 syz-executor.2 [ 100.026970] [ 2104] 0 2104 9408 16 5 2 0 0 syz-executor.4 [ 100.026977] [ 2105] 0 2105 9408 16 5 2 0 0 syz-executor.0 [ 100.026983] [ 2106] 0 2106 9408 17 6 3 0 0 syz-executor.4 [ 100.026990] [ 2108] 0 2108 9408 15 5 2 0 0 syz-executor.3 [ 100.026996] [ 2109] 0 2109 9408 17 6 3 0 0 syz-executor.0 [ 100.027003] [ 2110] 0 2110 9408 16 5 2 0 0 syz-executor.1 [ 100.027010] [ 2112] 0 2112 9408 16 6 3 0 0 syz-executor.3 [ 100.027017] [ 2113] 0 2113 9408 15 5 2 0 0 syz-executor.5 [ 100.027023] [ 2114] 0 2114 9408 17 6 3 0 0 syz-executor.1 [ 100.027030] [ 2116] 0 2116 9408 17 6 3 0 0 syz-executor.2 [ 100.027036] [ 2117] 0 2117 9408 16 6 3 0 0 syz-executor.5 [ 100.027046] [ 2260] 0 2256 9474 37 9 4 0 1000 syz-executor.4 [ 100.027056] [ 2265] 0 2258 9474 37 9 4 0 1000 syz-executor.1 [ 100.027065] [ 2261] 0 2261 5364 170 14 3 0 -1000 udevd [ 100.027074] [ 2268] 0 2263 9474 37 9 4 0 1000 syz-executor.2 [ 100.027083] [ 2267] 0 2267 9474 37 9 4 0 1000 syz-executor.1 [ 100.027092] [ 2270] 0 2270 9474 37 9 4 0 1000 syz-executor.4 [ 100.027100] [ 2283] 0 2273 9474 36 9 4 0 1000 syz-executor.5 [ 100.027107] [ 2274] 0 2274 5364 170 14 3 0 -1000 udevd [ 100.027114] [ 2280] 0 2275 9507 38 9 4 0 1000 syz-executor.3 [ 100.027122] [ 2278] 0 2278 9474 37 9 4 0 1000 syz-executor.2 [ 100.027136] [ 2290] 0 2284 9507 39 9 4 0 1000 syz-executor.0 [ 100.027146] [ 2285] 0 2285 9474 36 9 4 0 1000 syz-executor.5 [ 100.027155] [ 2287] 0 2287 9507 38 9 4 0 1000 syz-executor.3 [ 100.027167] [ 2295] 0 2295 9507 39 9 4 0 1000 syz-executor.0 [ 100.027174] Out of memory: Kill process 2284 (syz-executor.0) score 999 or sacrifice child [ 100.027515] Killed process 2295 (syz-executor.0) total-vm:38028kB, anon-rss:128kB, file-rss:28kB, shmem-rss:0kB [ 100.048212] oom_reaper: reaped process 2295 (syz-executor.0), now anon-rss:0kB, file-rss:4kB, shmem-rss:0kB [ 100.054280] syz-executor.1 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 [ 100.054288] CPU: 1 PID: 2269 Comm: syz-executor.1 Not tainted 4.9.141+ #1 [ 100.054301] ffff8801cb0d7518 ffffffff81b42e79 ffff8801cb0d78d8 ffffffff833e92b0 [ 100.054310] 00000000000003e8 ffff8801cb0d78f0 0000000000000000 ffff8801cb0d7598 [ 100.054319] ffffffff814fb526 0000000000000000 00000000000003e8 ffffffff82816fa5 [ 100.054320] Call Trace: [ 100.054334] [] dump_stack+0xc1/0x128 [ 100.054343] [] dump_header.isra.4+0x142/0x747 [ 100.054350] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 100.054357] [] ? ___ratelimit+0x53/0x401 [ 100.054364] [] oom_kill_process.cold.10+0xd/0xa6e [ 100.054373] [] ? check_preemption_disabled+0x3b/0x200 [ 100.054380] [] ? out_of_memory+0x6d4/0xe90 [ 100.054387] [] out_of_memory+0x292/0xe90 [ 100.054394] [] ? out_of_memory+0x410/0xe90 [ 100.054401] [] ? oom_killer_disable+0x200/0x200 [ 100.054408] [] ? trace_hardirqs_on+0xd/0x10 [ 100.054416] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 100.054423] [] __alloc_pages_nodemask+0x18ee/0x1bd0 [ 100.054429] [] ? _raw_spin_unlock_irq+0x38/0x50 [ 100.054437] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 100.054444] [] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 100.054451] [] ? retint_kernel+0x2d/0x2d [ 100.054459] [] __vmalloc_node_range+0x25b/0x600 [ 100.054466] [] ? xt_alloc_entry_offsets+0x41/0x60 [ 100.054472] [] vmalloc+0x5b/0x70 [ 100.054478] [] ? xt_alloc_entry_offsets+0x41/0x60 [ 100.054485] [] xt_alloc_entry_offsets+0x41/0x60 [ 100.054493] [] translate_table+0x215/0x1600 [ 100.054500] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 100.054508] [] ? compat_do_ipt_get_ctl+0x8e0/0x8e0 [ 100.054515] [] ? __check_object_size+0x248/0x38e [ 100.054522] [] do_ipt_set_ctl+0x2ce/0x460 [ 100.054529] [] ? compat_do_ipt_set_ctl+0x140/0x140 [ 100.054538] [] ? mutex_unlock+0x9/0x10 [ 100.054546] [] ? nf_sockopt_find.constprop.0+0x1b1/0x230 [ 100.054552] [] nf_setsockopt+0x6d/0xc0 [ 100.054560] [] ip_setsockopt+0x88/0xa0 [ 100.054568] [] udp_setsockopt+0x4a/0x90 [ 100.054576] [] ipv6_setsockopt+0x10a/0x130 [ 100.054583] [] tcp_setsockopt+0x88/0xe0 [ 100.054590] [] sock_common_setsockopt+0x9a/0xe0 [ 100.054596] [] SyS_setsockopt+0x166/0x260 [ 100.054602] [] ? SyS_recv+0x40/0x40 [ 100.054609] [] ? SyS_clock_gettime+0x11e/0x1f0 [ 100.054616] [] ? SyS_clock_settime+0x220/0x220 [ 100.054627] [] ? do_syscall_64+0x48/0x550 [ 100.054633] [] ? SyS_recv+0x40/0x40 [ 100.054639] [] do_syscall_64+0x19f/0x550 [ 100.054646] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 100.054649] Mem-Info: [ 100.054663] active_anon:5164 inactive_anon:41 isolated_anon:0 [ 100.054663] active_file:15 inactive_file:21 isolated_file:0 [ 100.054663] unevictable:0 dirty:0 writeback:0 unstable:0 [ 100.054663] slab_reclaimable:4586 slab_unreclaimable:57438 [ 100.054663] mapped:14 shmem:48 pagetables:469 bounce:0 [ 100.054663] free:6036 free_pcp:80 free_cma:0 [ 100.054675] Node 0 active_anon:20656kB inactive_anon:164kB active_file:60kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:56kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 100.054691] DMA32 free:18640kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 100.054714] Normal free:5504kB min:5580kB low:9168kB high:12756kB active_anon:20656kB inactive_anon:164kB active_file:60kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18344kB slab_unreclaimable:229752kB kernel_stack:4544kB pagetables:1876kB bounce:0kB free_pcp:200kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 100.054763] DMA32: 2*4kB (M) 3*8kB (M) 3*16kB (UM) 2*32kB (M) 3*64kB (M) 3*128kB (UM) 4*256kB (UM) 1*512kB (M) 2*1024kB (M) 1*2048kB (M) 3*4096kB (M) = 18640kB Normal: 426*4kB (UMH) 203*8kB (UMH) 56*16kB (UMH) 33*32kB (UMH) 4*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5536kB 84 total pagecache pages [ 100.054802] 0 pages in swap cache [ 100.054805] Swap cache stats: add 0, delete 0, find 0/0 [ 100.054807] Free swap = 0kB [ 100.054809] Total swap = 0kB [ 100.054811] 1965979 pages RAM [ 100.054813] 0 pages HighMem/MovableOnly [ 100.054815] 313617 pages reserved [ 100.054817] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 100.054831] [ 470] 0 470 5385 189 15 3 0 -1000 udevd [ 100.054840] [ 590] 0 590 5383 176 14 3 0 -1000 udevd [ 100.054849] [ 591] 0 591 5383 176 14 3 0 -1000 udevd [ 100.054857] [ 1750] 0 1750 2492 573 8 3 0 0 dhclient [ 100.054864] [ 1891] 0 1891 14231 108 23 3 0 0 rsyslogd [ 100.054870] [ 1946] 0 1946 4724 51 14 4 0 0 cron [ 100.054877] [ 1964] 0 1964 3736 45 12 3 0 0 mcstransd [ 100.054883] [ 1966] 0 1966 12926 1231 26 3 0 0 restorecond [ 100.054890] [ 1992] 0 1992 12489 152 27 3 0 -1000 sshd [ 100.054896] [ 2022] 0 2022 3648 39 12 3 0 0 getty [ 100.054903] [ 2077] 0 2077 3648 44 13 3 0 0 getty [ 100.054909] [ 2078] 0 2078 3648 42 13 3 0 0 getty [ 100.054915] [ 2079] 0 2079 3648 42 12 3 0 0 getty [ 100.054922] [ 2080] 0 2080 3648 42 13 3 0 0 getty [ 100.054928] [ 2081] 0 2081 3648 43 13 3 0 0 getty [ 100.054935] [ 2082] 0 2082 3648 43 13 3 0 0 getty [ 100.054941] [ 2083] 0 2083 17820 199 40 3 0 0 sshd [ 100.054947] [ 2085] 0 2085 33838 1521 29 5 0 0 syz-execprog [ 100.054954] [ 2101] 0 2101 9408 16 5 2 0 0 syz-executor.2 [ 100.054960] [ 2104] 0 2104 9408 16 5 2 0 0 syz-executor.4 [ 100.054967] [ 2105] 0 2105 9408 16 5 2 0 0 syz-executor.0 [ 100.054974] [ 2106] 0 2106 9408 17 6 3 0 0 syz-executor.4 [ 100.054980] [ 2108] 0 2108 9408 15 5 2 0 0 syz-executor.3 [ 100.054987] [ 2109] 0 2109 9408 17 6 3 0 0 syz-executor.0 [ 100.054993] [ 2110] 0 2110 9408 16 5 2 0 0 syz-executor.1 [ 100.055000] [ 2112] 0 2112 9408 16 6 3 0 0 syz-executor.3 [ 100.055006] [ 2113] 0 2113 9408 15 5 2 0 0 syz-executor.5 [ 100.055013] [ 2114] 0 2114 9408 17 6 3 0 0 syz-executor.1 [ 100.055030] [ 2116] 0 2116 9408 17 6 3 0 0 syz-executor.2 [ 100.055036] [ 2117] 0 2117 9408 16 6 3 0 0 syz-executor.5 [ 100.055043] [ 2260] 0 2256 9474 37 9 4 0 1000 syz-executor.4 [ 100.055050] [ 2265] 0 2258 9474 37 9 4 0 1000 syz-executor.1 [ 100.055057] [ 2261] 0 2261 5364 170 14 3 0 -1000 udevd [ 100.055064] [ 2268] 0 2263 9474 37 9 4 0 1000 syz-executor.2 [ 100.055071] [ 2267] 0 2267 9474 37 9 4 0 1000 syz-executor.1 [ 100.055077] [ 2270] 0 2270 9474 37 9 4 0 1000 syz-executor.4 [ 100.055084] [ 2283] 0 2273 9474 36 9 4 0 1000 syz-executor.5 [ 100.055091] [ 2274] 0 2274 5364 170 14 3 0 -1000 udevd [ 100.055098] [ 2280] 0 2275 9507 38 9 4 0 1000 syz-executor.3 [ 100.055105] [ 2278] 0 2278 9474 37 9 4 0 1000 syz-executor.2 [ 100.055114] [ 2290] 0 2284 9507 1 9 4 0 1000 syz-executor.0 [ 100.055122] [ 2285] 0 2285 9474 36 9 4 0 1000 syz-executor.5 [ 100.055131] [ 2287] 0 2287 9507 38 9 4 0 1000 syz-executor.3 [ 100.055139] Out of memory: Kill process 2275 (syz-executor.3) score 999 or sacrifice child [ 100.055164] Killed process 2287 (syz-executor.3) total-vm:38028kB, anon-rss:124kB, file-rss:28kB, shmem-rss:0kB [ 100.167194] oom_reaper: reaped process 2287 (syz-executor.3), now anon-rss:0kB, file-rss:4kB, shmem-rss:0kB [ 100.172910] syz-executor.1 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 [ 100.172916] CPU: 0 PID: 2265 Comm: syz-executor.1 Not tainted 4.9.141+ #1 [ 100.172929] ffff8801c8b8f518 ffffffff81b42e79 ffff8801c8b8f8d8 ffffffff833e92b0 [ 100.172937] 00000000000003e8 ffff8801c8b8f8f0 0000000000000000 ffff8801c8b8f598 [ 100.172945] ffffffff814fb526 0000000000000000 00000000000003e8 ffffffff82816fa5 [ 100.172947] Call Trace: [ 100.172959] [] dump_stack+0xc1/0x128 [ 100.172967] [] dump_header.isra.4+0x142/0x747 [ 100.172974] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 100.172981] [] ? ___ratelimit+0x53/0x401 [ 100.172987] [] oom_kill_process.cold.10+0xd/0xa6e [ 100.172996] [] ? check_preemption_disabled+0x3b/0x200 [ 100.173003] [] ? out_of_memory+0x6d4/0xe90 [ 100.173009] [] out_of_memory+0x292/0xe90 [ 100.173015] [] ? out_of_memory+0x410/0xe90 [ 100.173022] [] ? oom_killer_disable+0x200/0x200 [ 100.173029] [] ? trace_hardirqs_on+0xd/0x10 [ 100.173036] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 100.173043] [] __alloc_pages_nodemask+0x18ee/0x1bd0 [ 100.173048] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 100.173056] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 100.173062] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 100.173070] [] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 100.173077] [] __vmalloc_node_range+0x25b/0x600 [ 100.173084] [] ? xt_alloc_entry_offsets+0x41/0x60 [ 100.173090] [] vmalloc+0x5b/0x70 [ 100.173096] [] ? xt_alloc_entry_offsets+0x41/0x60 [ 100.173102] [] xt_alloc_entry_offsets+0x41/0x60 [ 100.173110] [] translate_table+0x215/0x1600 [ 100.173117] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 100.173124] [] ? compat_do_ipt_get_ctl+0x8e0/0x8e0 [ 100.173131] [] ? __check_object_size+0x248/0x38e [ 100.173137] [] do_ipt_set_ctl+0x2ce/0x460 [ 100.173144] [] ? compat_do_ipt_set_ctl+0x140/0x140 [ 100.173152] [] ? mutex_unlock+0x9/0x10 [ 100.173159] [] ? nf_sockopt_find.constprop.0+0x1b1/0x230 [ 100.173165] [] nf_setsockopt+0x6d/0xc0 [ 100.173172] [] ip_setsockopt+0x88/0xa0 [ 100.173179] [] udp_setsockopt+0x4a/0x90 [ 100.173187] [] ipv6_setsockopt+0x10a/0x130 [ 100.173193] [] tcp_setsockopt+0x88/0xe0 [ 100.173200] [] sock_common_setsockopt+0x9a/0xe0 [ 100.173206] [] SyS_setsockopt+0x166/0x260 [ 100.173212] [] ? SyS_recv+0x40/0x40 [ 100.173219] [] ? SyS_clock_gettime+0x11e/0x1f0 [ 100.173225] [] ? SyS_clock_settime+0x220/0x220 [ 100.173231] [] ? do_syscall_64+0x48/0x550 [ 100.173236] [] ? SyS_recv+0x40/0x40 [ 100.173241] [] do_syscall_64+0x19f/0x550 [ 100.173248] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 100.173251] Mem-Info: [ 100.173264] active_anon:5164 inactive_anon:41 isolated_anon:0 [ 100.173264] active_file:15 inactive_file:21 isolated_file:0 [ 100.173264] unevictable:0 dirty:0 writeback:0 unstable:0 [ 100.173264] slab_reclaimable:4586 slab_unreclaimable:57438 [ 100.173264] mapped:14 shmem:48 pagetables:469 bounce:0 [ 100.173264] free:6036 free_pcp:100 free_cma:0 [ 100.173275] Node 0 active_anon:20656kB inactive_anon:164kB active_file:60kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:56kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 100.173289] DMA32 free:18640kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 100.173311] Normal free:5504kB min:5580kB low:9168kB high:12756kB active_anon:20656kB inactive_anon:164kB active_file:60kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18344kB slab_unreclaimable:229752kB kernel_stack:4512kB pagetables:1876kB bounce:0kB free_pcp:280kB local_pcp:200kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 100.173357] DMA32: 2*4kB (M) 3*8kB (M) 3*16kB (UM) 2*32kB (M) 3*64kB (M) 3*128kB (UM) 4*256kB (UM) 1*512kB (M) 2*1024kB (M) 1*2048kB (M) 3*4096kB (M) = 18640kB Normal: 426*4kB (UMH) 203*8kB (UMH) 56*16kB (UMH) 34*32kB (UMH) 4*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5568kB 84 total pagecache pages [ 100.173398] 0 pages in swap cache [ 100.173401] Swap cache stats: add 0, delete 0, find 0/0 [ 100.173403] Free swap = 0kB [ 100.173405] Total swap = 0kB [ 100.173407] 1965979 pages RAM [ 100.173408] 0 pages HighMem/MovableOnly [ 100.173410] 313617 pages reserved [ 100.173412] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 100.173425] [ 470] 0 470 5385 189 15 3 0 -1000 udevd [ 100.173432] [ 590] 0 590 5383 176 14 3 0 -1000 udevd [ 100.173438] [ 591] 0 591 5383 176 14 3 0 -1000 udevd [ 100.173445] [ 1750] 0 1750 2492 573 8 3 0 0 dhclient [ 100.173451] [ 1891] 0 1891 14231 108 23 3 0 0 rsyslogd [ 100.173457] [ 1946] 0 1946 4724 51 14 4 0 0 cron [ 100.173463] [ 1964] 0 1964 3736 45 12 3 0 0 mcstransd [ 100.173469] [ 1966] 0 1966 12926 1231 26 3 0 0 restorecond [ 100.173476] [ 1992] 0 1992 12489 152 27 3 0 -1000 sshd [ 100.173482] [ 2022] 0 2022 3648 39 12 3 0 0 getty [ 100.173488] [ 2077] 0 2077 3648 44 13 3 0 0 getty [ 100.173494] [ 2078] 0 2078 3648 42 13 3 0 0 getty [ 100.173500] [ 2079] 0 2079 3648 42 12 3 0 0 getty [ 100.173506] [ 2080] 0 2080 3648 42 13 3 0 0 getty [ 100.173512] [ 2081] 0 2081 3648 43 13 3 0 0 getty [ 100.173518] [ 2082] 0 2082 3648 43 13 3 0 0 getty [ 100.173524] [ 2083] 0 2083 17820 199 40 3 0 0 sshd [ 100.173530] [ 2085] 0 2085 33838 1521 29 5 0 0 syz-execprog [ 100.173536] [ 2101] 0 2101 9408 16 5 2 0 0 syz-executor.2 [ 100.173542] [ 2104] 0 2104 9408 16 5 2 0 0 syz-executor.4 [ 100.173548] [ 2105] 0 2105 9408 16 5 2 0 0 syz-executor.0 [ 100.173554] [ 2106] 0 2106 9408 17 6 3 0 0 syz-executor.4 [ 100.173560] [ 2108] 0 2108 9408 15 5 2 0 0 syz-executor.3 [ 100.173566] [ 2109] 0 2109 9408 17 6 3 0 0 syz-executor.0 [ 100.173573] [ 2110] 0 2110 9408 16 5 2 0 0 syz-executor.1 [ 100.173579] [ 2112] 0 2112 9408 16 6 3 0 0 syz-executor.3 [ 100.173585] [ 2113] 0 2113 9408 15 5 2 0 0 syz-executor.5 [ 100.173591] [ 2114] 0 2114 9408 17 6 3 0 0 syz-executor.1 [ 100.173597] [ 2116] 0 2116 9408 17 6 3 0 0 syz-executor.2 [ 100.173603] [ 2117] 0 2117 9408 16 6 3 0 0 syz-executor.5 [ 100.173610] [ 2260] 0 2256 9474 37 9 4 0 1000 syz-executor.4 [ 100.173616] [ 2265] 0 2258 9474 37 9 4 0 1000 syz-executor.1 [ 100.173622] [ 2261] 0 2261 5364 170 14 3 0 -1000 udevd [ 100.173629] [ 2268] 0 2263 9474 37 9 4 0 1000 syz-executor.2 [ 100.173635] [ 2267] 0 2267 9474 37 9 4 0 1000 syz-executor.1 [ 100.173642] [ 2270] 0 2270 9474 37 9 4 0 1000 syz-executor.4 [ 100.173648] [ 2283] 0 2273 9474 36 9 4 0 1000 syz-executor.5 [ 100.173655] [ 2274] 0 2274 5364 170 14 3 0 -1000 udevd [ 100.173661] [ 2280] 0 2275 9507 1 9 4 0 1000 syz-executor.3 [ 100.173668] [ 2278] 0 2278 9474 37 9 4 0 1000 syz-executor.2 [ 100.173676] [ 2290] 0 2284 9507 1 9 4 0 1000 syz-executor.0 [ 100.173685] [ 2285] 0 2285 9474 36 9 4 0 1000 syz-executor.5 [ 100.173693] Out of memory: Kill process 2256 (syz-executor.4) score 999 or sacrifice child [ 100.173723] Killed process 2270 (syz-executor.4) total-vm:37896kB, anon-rss:120kB, file-rss:28kB, shmem-rss:0kB [ 100.264117] oom_reaper: reaped process 2270 (syz-executor.4), now anon-rss:0kB, file-rss:4kB, shmem-rss:0kB [ 100.274340] syz-executor.5 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 [ 100.274347] CPU: 0 PID: 2283 Comm: syz-executor.5 Not tainted 4.9.141+ #1 [ 100.274359] ffff8801c042f518 ffffffff81b42e79 ffff8801c042f8d8 ffffffff833e92b0 [ 100.274368] 00000000000003e8 ffff8801c042f8f0 0000000000000000 ffff8801c042f598 [ 100.274377] ffffffff814fb526 0000000000000000 00000000000003e8 ffffffff82816fa5 [ 100.274378] Call Trace: [ 100.274389] [] dump_stack+0xc1/0x128 [ 100.274398] [] dump_header.isra.4+0x142/0x747 [ 100.274405] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 100.274412] [] ? ___ratelimit+0x53/0x401 [ 100.274419] [] oom_kill_process.cold.10+0xd/0xa6e [ 100.274427] [] ? check_preemption_disabled+0x3b/0x200 [ 100.274434] [] ? out_of_memory+0x6d4/0xe90 [ 100.274441] [] out_of_memory+0x292/0xe90 [ 100.274447] [] ? out_of_memory+0x410/0xe90 [ 100.274465] [] ? oom_killer_disable+0x200/0x200 [ 100.274472] [] ? trace_hardirqs_on+0xd/0x10 [ 100.274478] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 100.274485] [] __alloc_pages_nodemask+0x18ee/0x1bd0 [ 100.274491] [] ? _raw_spin_unlock_irq+0x38/0x50 [ 100.274498] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 100.274506] [] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 100.274512] [] ? retint_kernel+0x2d/0x2d [ 100.274519] [] __vmalloc_node_range+0x25b/0x600 [ 100.274526] [] ? xt_alloc_entry_offsets+0x41/0x60 [ 100.274532] [] vmalloc+0x5b/0x70 [ 100.274538] [] ? xt_alloc_entry_offsets+0x41/0x60 [ 100.274544] [] xt_alloc_entry_offsets+0x41/0x60 [ 100.274551] [] translate_table+0x215/0x1600 [ 100.274558] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 100.274565] [] ? compat_do_ipt_get_ctl+0x8e0/0x8e0 [ 100.274572] [] ? __check_object_size+0x248/0x38e [ 100.274578] [] do_ipt_set_ctl+0x2ce/0x460 [ 100.274585] [] ? compat_do_ipt_set_ctl+0x140/0x140 [ 100.274593] [] ? mutex_unlock+0x9/0x10 [ 100.274599] [] ? nf_sockopt_find.constprop.0+0x1b1/0x230 [ 100.274605] [] nf_setsockopt+0x6d/0xc0 [ 100.274612] [] ip_setsockopt+0x88/0xa0 [ 100.274619] [] udp_setsockopt+0x4a/0x90 [ 100.274642] [] ipv6_setsockopt+0x10a/0x130 [ 100.274648] [] tcp_setsockopt+0x88/0xe0 [ 100.274655] [] sock_common_setsockopt+0x9a/0xe0 [ 100.274661] [] SyS_setsockopt+0x166/0x260 [ 100.274667] [] ? SyS_recv+0x40/0x40 [ 100.274674] [] ? SyS_clock_gettime+0x11e/0x1f0 [ 100.274681] [] ? SyS_clock_settime+0x220/0x220 [ 100.274687] [] ? do_syscall_64+0x48/0x550 [ 100.274693] [] ? SyS_recv+0x40/0x40 [ 100.274699] [] do_syscall_64+0x19f/0x550 [ 100.274705] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 100.274708] Mem-Info: [ 100.274722] active_anon:5124 inactive_anon:41 isolated_anon:0 [ 100.274722] active_file:15 inactive_file:21 isolated_file:0 [ 100.274722] unevictable:0 dirty:0 writeback:0 unstable:0 [ 100.274722] slab_reclaimable:4586 slab_unreclaimable:57440 [ 100.274722] mapped:14 shmem:48 pagetables:469 bounce:0 [ 100.274722] free:6027 free_pcp:115 free_cma:0 [ 100.274734] Node 0 active_anon:20496kB inactive_anon:164kB active_file:60kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:56kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 100.274750] DMA32 free:18640kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 100.274772] Normal free:5468kB min:5580kB low:9168kB high:12756kB active_anon:20496kB inactive_anon:164kB active_file:60kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18344kB slab_unreclaimable:229760kB kernel_stack:4480kB pagetables:1876kB bounce:0kB free_pcp:340kB local_pcp:260kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 100.274821] DMA32: 2*4kB (M) 3*8kB (M) 3*16kB (UM) 2*32kB (M) 3*64kB (M) 3*128kB (UM) 4*256kB (UM) 1*512kB (M) 2*1024kB (M) 1*2048kB (M) 3*4096kB (M) = 18640kB Normal: 425*4kB (MH) 201*8kB (MH) 55*16kB (MH) 32*32kB (MH) 4*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5468kB 84 total pagecache pages [ 100.274858] 0 pages in swap cache [ 100.274878] Swap cache stats: add 0, delete 0, find 0/0 [ 100.274880] Free swap = 0kB [ 100.274882] Total swap = 0kB [ 100.274884] 1965979 pages RAM [ 100.274886] 0 pages HighMem/MovableOnly [ 100.274888] 313617 pages reserved [ 100.274890] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 100.274902] [ 470] 0 470 5385 189 15 3 0 -1000 udevd [ 100.274912] [ 590] 0 590 5383 176 14 3 0 -1000 udevd [ 100.274921] [ 591] 0 591 5383 176 14 3 0 -1000 udevd [ 100.274930] [ 1750] 0 1750 2492 573 8 3 0 0 dhclient [ 100.274938] [ 1891] 0 1891 14231 108 23 3 0 0 rsyslogd [ 100.274945] [ 1946] 0 1946 4724 51 14 4 0 0 cron [ 100.274951] [ 1964] 0 1964 3736 45 12 3 0 0 mcstransd [ 100.274958] [ 1966] 0 1966 12926 1231 26 3 0 0 restorecond [ 100.274965] [ 1992] 0 1992 12489 152 27 3 0 -1000 sshd [ 100.274971] [ 2022] 0 2022 3648 39 12 3 0 0 getty [ 100.274978] [ 2077] 0 2077 3648 44 13 3 0 0 getty [ 100.274984] [ 2078] 0 2078 3648 42 13 3 0 0 getty [ 100.274990] [ 2079] 0 2079 3648 42 12 3 0 0 getty [ 100.274997] [ 2080] 0 2080 3648 42 13 3 0 0 getty [ 100.275003] [ 2081] 0 2081 3648 43 13 3 0 0 getty [ 100.275010] [ 2082] 0 2082 3648 43 13 3 0 0 getty [ 100.275016] [ 2083] 0 2083 17820 199 40 3 0 0 sshd [ 100.275022] [ 2085] 0 2085 33838 1521 29 5 0 0 syz-execprog [ 100.275029] [ 2101] 0 2101 9408 16 5 2 0 0 syz-executor.2 [ 100.275035] [ 2104] 0 2104 9408 16 5 2 0 0 syz-executor.4 [ 100.275042] [ 2105] 0 2105 9408 16 5 2 0 0 syz-executor.0 [ 100.275048] [ 2106] 0 2106 9408 17 6 3 0 0 syz-executor.4 [ 100.275055] [ 2108] 0 2108 9408 15 5 2 0 0 syz-executor.3 [ 100.275061] [ 2109] 0 2109 9408 17 6 3 0 0 syz-executor.0 [ 100.275068] [ 2110] 0 2110 9408 16 5 2 0 0 syz-executor.1 [ 100.275074] [ 2112] 0 2112 9408 16 6 3 0 0 syz-executor.3 [ 100.275081] [ 2113] 0 2113 9408 15 5 2 0 0 syz-executor.5 [ 100.275087] [ 2114] 0 2114 9408 17 6 3 0 0 syz-executor.1 [ 100.275094] [ 2116] 0 2116 9408 17 6 3 0 0 syz-executor.2 [ 100.275100] [ 2117] 0 2117 9408 16 6 3 0 0 syz-executor.5 [ 100.275107] [ 2260] 0 2256 9474 1 9 4 0 1000 syz-executor.4 [ 100.275114] [ 2265] 0 2258 9474 37 9 4 0 1000 syz-executor.1 [ 100.275121] [ 2261] 0 2261 5364 170 14 3 0 -1000 udevd [ 100.275128] [ 2268] 0 2263 9474 37 9 4 0 1000 syz-executor.2 [ 100.275135] [ 2267] 0 2267 9474 37 9 4 0 1000 syz-executor.1 [ 100.275142] [ 2283] 0 2273 9474 36 9 4 0 1000 syz-executor.5 [ 100.275149] [ 2274] 0 2274 5364 170 14 3 0 -1000 udevd [ 100.275156] [ 2280] 0 2275 9507 1 9 4 0 1000 syz-executor.3 [ 100.275163] [ 2278] 0 2278 9474 37 9 4 0 1000 syz-executor.2 [ 100.275172] [ 2290] 0 2284 9507 1 9 4 0 1000 syz-executor.0 [ 100.275180] [ 2285] 0 2285 9474 36 9 4 0 1000 syz-executor.5 [ 100.275190] Out of memory: Kill process 2258 (syz-executor.1) score 999 or sacrifice child [ 100.275214] Killed process 2267 (syz-executor.1) total-vm:37896kB, anon-rss:120kB, file-rss:28kB, shmem-rss:0kB [ 100.406746] oom_reaper: reaped process 2267 (syz-executor.1), now anon-rss:0kB, file-rss:4kB, shmem-rss:0kB [ 100.410373] udevd invoked oom-killer: gfp_mask=0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=0, order=0, oom_score_adj=-1000 [ 100.410381] CPU: 1 PID: 470 Comm: udevd Not tainted 4.9.141+ #1 [ 100.410395] ffff8801d30776f8 ffffffff81b42e79 ffff8801d3077ab8 ffffffff833e92b0 [ 100.410405] 00000000fffffc18 ffff8801d3077ad0 0000000000000000 ffff8801d3077778 [ 100.410415] ffffffff814fb526 0000000000000000 00000000fffffc18 ffffffff82816fa5 [ 100.410416] Call Trace: [ 100.410430] [] dump_stack+0xc1/0x128 [ 100.410439] [] dump_header.isra.4+0x142/0x747 [ 100.410447] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 100.410455] [] ? ___ratelimit+0x53/0x401 [ 100.410463] [] oom_kill_process.cold.10+0xd/0xa6e [ 100.410471] [] ? check_preemption_disabled+0x3b/0x200 [ 100.410479] [] ? out_of_memory+0x6d4/0xe90 [ 100.410487] [] out_of_memory+0x292/0xe90 [ 100.410494] [] ? out_of_memory+0x410/0xe90 [ 100.410502] [] ? oom_killer_disable+0x200/0x200 [ 100.410511] [] ? trace_hardirqs_on+0xd/0x10 [ 100.410519] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 100.410527] [] __alloc_pages_nodemask+0x18ee/0x1bd0 [ 100.410534] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 100.410543] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 100.410550] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 100.410557] [] ? find_get_entry+0x11a/0x570 [ 100.410565] [] ? find_get_entry+0x141/0x570 [ 100.410572] [] ? page_cache_prev_hole+0x80/0x80 [ 100.410579] [] ? pagecache_get_page+0x131/0x710 [ 100.410598] [] filemap_fault+0xaf1/0x1110 [ 100.410606] [] ext4_filemap_fault+0x71/0xa0 [ 100.410613] [] __do_fault+0x223/0x500 [ 100.410620] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 100.410628] [] ? generic_file_readonly_mmap+0x190/0x190 [ 100.410634] [] handle_mm_fault+0x1326/0x2350 [ 100.410642] [] ? ep_poll+0x18f/0xb20 [ 100.410649] [] ? vm_insert_page+0x6f0/0x6f0 [ 100.410656] [] ? ep_poll_readyevents_proc+0x90/0x90 [ 100.410663] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 100.410672] [] __do_page_fault+0x403/0xa60 [ 100.410679] [] ? __fget_light+0x169/0x1f0 [ 100.410687] [] ? bad_area_access_error+0x3a0/0x3a0 [ 100.410696] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 100.410703] [] do_page_fault+0x27/0x30 [ 100.410711] [] page_fault+0x25/0x30 [ 100.410714] Mem-Info: [ 100.410729] active_anon:5099 inactive_anon:41 isolated_anon:0 [ 100.410729] active_file:15 inactive_file:21 isolated_file:0 [ 100.410729] unevictable:0 dirty:0 writeback:0 unstable:0 [ 100.410729] slab_reclaimable:4586 slab_unreclaimable:57440 [ 100.410729] mapped:14 shmem:48 pagetables:469 bounce:0 [ 100.410729] free:6027 free_pcp:133 free_cma:0 [ 100.410742] Node 0 active_anon:20396kB inactive_anon:164kB active_file:60kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:56kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 100.410759] DMA32 free:18640kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 100.410784] Normal free:5468kB min:5580kB low:9168kB high:12756kB active_anon:20396kB inactive_anon:164kB active_file:60kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18344kB slab_unreclaimable:229760kB kernel_stack:4448kB pagetables:1876kB bounce:0kB free_pcp:412kB local_pcp:80kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 100.410861] DMA32: 2*4kB (M) 3*8kB (M) 3*16kB (UM) 2*32kB (M) 3*64kB (M) 3*128kB (UM) 4*256kB (UM) 1*512kB (M) 2*1024kB (M) 1*2048kB (M) 3*4096kB (M) = 18640kB Normal: 425*4kB (MH) 201*8kB (MH) 55*16kB (MH) 33*32kB (UMH) 4*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5500kB 84 total pagecache pages [ 100.410900] 0 pages in swap cache [ 100.410904] Swap cache stats: add 0, delete 0, find 0/0 [ 100.410906] Free swap = 0kB [ 100.410908] Total swap = 0kB [ 100.410910] 1965979 pages RAM [ 100.410912] 0 pages HighMem/MovableOnly [ 100.410914] 313617 pages reserved [ 100.410916] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 100.410929] [ 470] 0 470 5385 189 15 3 0 -1000 udevd [ 100.410939] [ 590] 0 590 5383 176 14 3 0 -1000 udevd [ 100.410948] [ 591] 0 591 5383 176 14 3 0 -1000 udevd [ 100.410957] [ 1750] 0 1750 2492 573 8 3 0 0 dhclient [ 100.410966] [ 1891] 0 1891 14231 108 23 3 0 0 rsyslogd [ 100.410975] [ 1946] 0 1946 4724 51 14 4 0 0 cron [ 100.410982] [ 1964] 0 1964 3736 45 12 3 0 0 mcstransd [ 100.410989] [ 1966] 0 1966 12926 1231 26 3 0 0 restorecond [ 100.410996] [ 1992] 0 1992 12489 152 27 3 0 -1000 sshd [ 100.411002] [ 2022] 0 2022 3648 39 12 3 0 0 getty [ 100.411009] [ 2077] 0 2077 3648 44 13 3 0 0 getty [ 100.411015] [ 2078] 0 2078 3648 42 13 3 0 0 getty [ 100.411022] [ 2079] 0 2079 3648 42 12 3 0 0 getty [ 100.411028] [ 2080] 0 2080 3648 42 13 3 0 0 getty [ 100.411035] [ 2081] 0 2081 3648 43 13 3 0 0 getty [ 100.411041] [ 2082] 0 2082 3648 43 13 3 0 0 getty [ 100.411047] [ 2083] 0 2083 17820 199 40 3 0 0 sshd [ 100.411054] [ 2085] 0 2085 33838 1521 29 5 0 0 syz-execprog [ 100.411061] [ 2101] 0 2101 9408 16 5 2 0 0 syz-executor.2 [ 100.411067] [ 2104] 0 2104 9408 16 5 2 0 0 syz-executor.4 [ 100.411074] [ 2105] 0 2105 9408 16 5 2 0 0 syz-executor.0 [ 100.411080] [ 2106] 0 2106 9408 17 6 3 0 0 syz-executor.4 [ 100.411087] [ 2108] 0 2108 9408 15 5 2 0 0 syz-executor.3 [ 100.411093] [ 2109] 0 2109 9408 17 6 3 0 0 syz-executor.0 [ 100.411100] [ 2110] 0 2110 9408 16 5 2 0 0 syz-executor.1 [ 100.411106] [ 2112] 0 2112 9408 16 6 3 0 0 syz-executor.3 [ 100.411113] [ 2113] 0 2113 9408 15 5 2 0 0 syz-executor.5 [ 100.411119] [ 2114] 0 2114 9408 17 6 3 0 0 syz-executor.1 [ 100.411126] [ 2116] 0 2116 9408 17 6 3 0 0 syz-executor.2 [ 100.411133] [ 2117] 0 2117 9408 16 6 3 0 0 syz-executor.5 [ 100.411140] [ 2260] 0 2256 9474 1 9 4 0 1000 syz-executor.4 [ 100.411147] [ 2265] 0 2258 9474 1 9 4 0 1000 syz-executor.1 [ 100.411154] [ 2261] 0 2261 5364 170 14 3 0 -1000 udevd [ 100.411161] [ 2268] 0 2263 9474 37 9 4 0 1000 syz-executor.2 [ 100.411170] [ 2283] 0 2273 9474 36 9 4 0 1000 syz-executor.5 [ 100.411176] [ 2274] 0 2274 5364 170 14 3 0 -1000 udevd [ 100.411183] [ 2280] 0 2275 9507 1 9 4 0 1000 syz-executor.3 [ 100.411191] [ 2278] 0 2278 9474 37 9 4 0 1000 syz-executor.2 [ 100.411199] [ 2290] 0 2284 9507 1 9 4 0 1000 syz-executor.0 [ 100.411208] [ 2285] 0 2285 9474 36 9 4 0 1000 syz-executor.5 [ 100.411235] Out of memory: Kill process 2263 (syz-executor.2) score 999 or sacrifice child [ 100.411555] Killed process 2278 (syz-executor.2) total-vm:37896kB, anon-rss:120kB, file-rss:28kB, shmem-rss:0kB [ 100.484480] oom_reaper: reaped process 2278 (syz-executor.2), now anon-rss:0kB, file-rss:4kB, shmem-rss:0kB [ 100.494286] syz-executor.0 invoked oom-killer: gfp_mask=0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=0, order=0, oom_score_adj=0 [ 100.494293] CPU: 0 PID: 2109 Comm: syz-executor.0 Not tainted 4.9.141+ #1 [ 100.494306] ffff8801ce0c76f8 ffffffff81b42e79 ffff8801ce0c7ab8 ffffffff833e92b0 [ 100.494314] 0000000000000000 ffff8801ce0c7ad0 0000000000000000 ffff8801ce0c7778 [ 100.494322] ffffffff814fb526 0000000000000000 0000000000000000 ffffffff82816fa5 [ 100.494323] Call Trace: [ 100.494334] [] dump_stack+0xc1/0x128 [ 100.494342] [] dump_header.isra.4+0x142/0x747 [ 100.494349] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 100.494355] [] ? ___ratelimit+0x53/0x401 [ 100.494361] [] oom_kill_process.cold.10+0xd/0xa6e [ 100.494369] [] ? check_preemption_disabled+0x3b/0x200 [ 100.494375] [] ? out_of_memory+0x6d4/0xe90 [ 100.494382] [] out_of_memory+0x292/0xe90 [ 100.494388] [] ? out_of_memory+0x410/0xe90 [ 100.494394] [] ? oom_killer_disable+0x200/0x200 [ 100.494401] [] ? trace_hardirqs_on+0xd/0x10 [ 100.494408] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 100.494415] [] __alloc_pages_nodemask+0x18ee/0x1bd0 [ 100.494421] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 100.494428] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 100.494434] [] ? check_preemption_disabled+0x3b/0x200 [ 100.494440] [] ? find_get_entry+0x11a/0x570 [ 100.494446] [] ? find_get_entry+0x141/0x570 [ 100.494452] [] ? page_cache_prev_hole+0x80/0x80 [ 100.494459] [] ? pagecache_get_page+0x131/0x710 [ 100.494465] [] filemap_fault+0xaf1/0x1110 [ 100.494472] [] ext4_filemap_fault+0x71/0xa0 [ 100.494478] [] __do_fault+0x223/0x500 [ 100.494484] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 100.494490] [] ? handle_mm_fault+0x1d4f/0x2350 [ 100.494496] [] handle_mm_fault+0x1326/0x2350 [ 100.494503] [] ? vm_insert_page+0x6f0/0x6f0 [ 100.494509] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 100.494517] [] __do_page_fault+0x403/0xa60 [ 100.494523] [] ? bad_area_access_error+0x3a0/0x3a0 [ 100.494531] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 100.494537] [] do_page_fault+0x27/0x30 [ 100.494543] [] page_fault+0x25/0x30 [ 100.494546] Mem-Info: [ 100.494560] active_anon:5099 inactive_anon:41 isolated_anon:0 [ 100.494560] active_file:15 inactive_file:21 isolated_file:0 [ 100.494560] unevictable:0 dirty:0 writeback:0 unstable:0 [ 100.494560] slab_reclaimable:4586 slab_unreclaimable:57440 [ 100.494560] mapped:14 shmem:48 pagetables:469 bounce:0 [ 100.494560] free:6027 free_pcp:151 free_cma:0 [ 100.494571] Node 0 active_anon:20396kB inactive_anon:164kB active_file:60kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:56kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 100.494586] DMA32 free:18640kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 100.494608] Normal free:5468kB min:5580kB low:9168kB high:12756kB active_anon:20396kB inactive_anon:164kB active_file:60kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18344kB slab_unreclaimable:229760kB kernel_stack:4416kB pagetables:1876kB bounce:0kB free_pcp:484kB local_pcp:332kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 100.494656] DMA32: 2*4kB (M) 3*8kB (M) 3*16kB (UM) 2*32kB (M) 3*64kB (M) 3*128kB (UM) 4*256kB (UM) 1*512kB (M) 2*1024kB (M) 1*2048kB (M) 3*4096kB (M) = 18640kB Normal: 425*4kB (MH) 201*8kB (MH) 55*16kB (MH) 34*32kB (UMH) 4*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5532kB 84 total pagecache pages [ 100.494693] 0 pages in swap cache [ 100.494696] Swap cache stats: add 0, delete 0, find 0/0 [ 100.494698] Free swap = 0kB [ 100.494700] Total swap = 0kB [ 100.494702] 1965979 pages RAM [ 100.494703] 0 pages HighMem/MovableOnly [ 100.494705] 313617 pages reserved [ 100.494707] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 100.494720] [ 470] 0 470 5385 189 15 3 0 -1000 udevd [ 100.494728] [ 590] 0 590 5383 176 14 3 0 -1000 udevd [ 100.494737] [ 591] 0 591 5383 176 14 3 0 -1000 udevd [ 100.494746] [ 1750] 0 1750 2492 573 8 3 0 0 dhclient [ 100.494754] [ 1891] 0 1891 14231 108 23 3 0 0 rsyslogd [ 100.494761] [ 1946] 0 1946 4724 51 14 4 0 0 cron [ 100.494767] [ 1964] 0 1964 3736 45 12 3 0 0 mcstransd [ 100.494773] [ 1966] 0 1966 12926 1231 26 3 0 0 restorecond [ 100.494779] [ 1992] 0 1992 12489 152 27 3 0 -1000 sshd [ 100.494785] [ 2022] 0 2022 3648 39 12 3 0 0 getty [ 100.494791] [ 2077] 0 2077 3648 44 13 3 0 0 getty [ 100.494797] [ 2078] 0 2078 3648 42 13 3 0 0 getty [ 100.494803] [ 2079] 0 2079 3648 42 12 3 0 0 getty [ 100.494809] [ 2080] 0 2080 3648 42 13 3 0 0 getty [ 100.494815] [ 2081] 0 2081 3648 43 13 3 0 0 getty [ 100.494821] [ 2082] 0 2082 3648 43 13 3 0 0 getty [ 100.494827] [ 2083] 0 2083 17820 199 40 3 0 0 sshd [ 100.494851] [ 2085] 0 2085 33838 1521 29 5 0 0 syz-execprog [ 100.494857] [ 2101] 0 2101 9408 16 5 2 0 0 syz-executor.2 [ 100.494871] [ 2104] 0 2104 9408 16 5 2 0 0 syz-executor.4 [ 100.494880] [ 2105] 0 2105 9408 16 5 2 0 0 syz-executor.0 [ 100.494889] [ 2106] 0 2106 9408 17 6 3 0 0 syz-executor.4 [ 100.494898] [ 2108] 0 2108 9408 15 5 2 0 0 syz-executor.3 [ 100.494907] [ 2109] 0 2109 9408 17 6 3 0 0 syz-executor.0 [ 100.494915] [ 2110] 0 2110 9408 16 5 2 0 0 syz-executor.1 [ 100.494921] [ 2112] 0 2112 9408 16 6 3 0 0 syz-executor.3 [ 100.494928] [ 2113] 0 2113 9408 15 5 2 0 0 syz-executor.5 [ 100.494934] [ 2114] 0 2114 9408 17 6 3 0 0 syz-executor.1 [ 100.494941] [ 2116] 0 2116 9408 17 6 3 0 0 syz-executor.2 [ 100.494947] [ 2117] 0 2117 9408 16 6 3 0 0 syz-executor.5 [ 100.494955] [ 2260] 0 2256 9474 1 9 4 0 1000 syz-executor.4 [ 100.494962] [ 2265] 0 2258 9474 1 9 4 0 1000 syz-executor.1 [ 100.494969] [ 2261] 0 2261 5364 170 14 3 0 -1000 udevd [ 100.494976] [ 2268] 0 2263 9474 1 9 4 0 1000 syz-executor.2 [ 100.494984] [ 2283] 0 2273 9474 36 9 4 0 1000 syz-executor.5 [ 100.494991] [ 2274] 0 2274 5364 170 14 3 0 -1000 udevd [ 100.494998] [ 2280] 0 2275 9507 1 9 4 0 1000 syz-executor.3 [ 100.495008] [ 2290] 0 2284 9507 1 9 4 0 1000 syz-executor.0 [ 100.495017] [ 2285] 0 2285 9474 36 9 4 0 1000 syz-executor.5 [ 100.495026] Out of memory: Kill process 2273 (syz-executor.5) score 999 or sacrifice child [ 100.495058] Killed process 2285 (syz-executor.5) total-vm:37896kB, anon-rss:116kB, file-rss:28kB, shmem-rss:0kB [ 100.595297] oom_reaper: reaped process 2285 (syz-executor.5), now anon-rss:0kB, file-rss:4kB, shmem-rss:0kB [ 100.599575] syz-executor.4 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 [ 100.599582] CPU: 0 PID: 2277 Comm: syz-executor.4 Not tainted 4.9.141+ #1 [ 100.599594] ffff8801c24d7518 ffffffff81b42e79 ffff8801c24d78d8 ffffffff833e92b0 [ 100.599604] 00000000000003e8 ffff8801c24d78f0 0000000000000000 ffff8801c24d7598 [ 100.599613] ffffffff814fb526 0000000000000000 00000000000003e8 ffffffff82816fa5 [ 100.599615] Call Trace: [ 100.599627] [] dump_stack+0xc1/0x128 [ 100.599636] [] dump_header.isra.4+0x142/0x747 [ 100.599643] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 100.599651] [] ? ___ratelimit+0x53/0x401 [ 100.599658] [] oom_kill_process.cold.10+0xd/0xa6e [ 100.599667] [] ? check_preemption_disabled+0x3b/0x200 [ 100.599674] [] ? out_of_memory+0x6d4/0xe90 [ 100.599681] [] out_of_memory+0x292/0xe90 [ 100.599688] [] ? out_of_memory+0x410/0xe90 [ 100.599695] [] ? oom_killer_disable+0x200/0x200 [ 100.599703] [] ? trace_hardirqs_on+0xd/0x10 [ 100.599711] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 100.599718] [] __alloc_pages_nodemask+0x18ee/0x1bd0 [ 100.599725] [] ? _raw_spin_unlock_irq+0x38/0x50 [ 100.599733] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 100.599742] [] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 100.599749] [] ? retint_kernel+0x2d/0x2d [ 100.599757] [] __vmalloc_node_range+0x25b/0x600 [ 100.599765] [] ? xt_alloc_entry_offsets+0x41/0x60 [ 100.599771] [] vmalloc+0x5b/0x70 [ 100.599778] [] ? xt_alloc_entry_offsets+0x41/0x60 [ 100.599785] [] xt_alloc_entry_offsets+0x41/0x60 [ 100.599794] [] translate_table+0x215/0x1600 [ 100.599801] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 100.599810] [] ? compat_do_ipt_get_ctl+0x8e0/0x8e0 [ 100.599817] [] ? __check_object_size+0x248/0x38e [ 100.599824] [] do_ipt_set_ctl+0x2ce/0x460 [ 100.599832] [] ? compat_do_ipt_set_ctl+0x140/0x140 [ 100.599841] [] ? mutex_unlock+0x9/0x10 [ 100.599854] [] ? nf_sockopt_find.constprop.0+0x1b1/0x230 [ 100.599861] [] nf_setsockopt+0x6d/0xc0 [ 100.599870] [] ip_setsockopt+0x88/0xa0 [ 100.599879] [] udp_setsockopt+0x4a/0x90 [ 100.599888] [] ipv6_setsockopt+0x10a/0x130 [ 100.599894] [] tcp_setsockopt+0x88/0xe0 [ 100.599902] [] sock_common_setsockopt+0x9a/0xe0 [ 100.599909] [] SyS_setsockopt+0x166/0x260 [ 100.599916] [] ? SyS_recv+0x40/0x40 [ 100.599924] [] ? SyS_clock_gettime+0x11e/0x1f0 [ 100.599931] [] ? SyS_clock_settime+0x220/0x220 [ 100.599938] [] ? do_syscall_64+0x48/0x550 [ 100.599944] [] ? SyS_recv+0x40/0x40 [ 100.599950] [] do_syscall_64+0x19f/0x550 [ 100.599957] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 100.599960] Mem-Info: [ 100.599975] active_anon:5074 inactive_anon:41 isolated_anon:0 [ 100.599975] active_file:15 inactive_file:21 isolated_file:0 [ 100.599975] unevictable:0 dirty:0 writeback:0 unstable:0 [ 100.599975] slab_reclaimable:4586 slab_unreclaimable:57440 [ 100.599975] mapped:14 shmem:48 pagetables:469 bounce:0 [ 100.599975] free:6027 free_pcp:167 free_cma:0 [ 100.599988] Node 0 active_anon:20296kB inactive_anon:164kB active_file:60kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:56kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 100.600005] DMA32 free:18640kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 100.600029] Normal free:5468kB min:5580kB low:9168kB high:12756kB active_anon:20296kB inactive_anon:164kB active_file:60kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18344kB slab_unreclaimable:229760kB kernel_stack:4384kB pagetables:1876kB bounce:0kB free_pcp:548kB local_pcp:400kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 100.600093] DMA32: 2*4kB (M) 3*8kB (M) 3*16kB (UM) 2*32kB (M) 3*64kB (M) 3*128kB (UM) 4*256kB (UM) 1*512kB (M) 2*1024kB (M) 1*2048kB (M) 3*4096kB (M) = 18640kB Normal: 425*4kB (MH) 201*8kB (MH) 55*16kB (MH) 35*32kB (UMH) 4*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5564kB 84 total pagecache pages [ 100.600131] 0 pages in swap cache [ 100.600152] Swap cache stats: add 0, delete 0, find 0/0 [ 100.600154] Free swap = 0kB [ 100.600155] Total swap = 0kB [ 100.600158] 1965979 pages RAM [ 100.600160] 0 pages HighMem/MovableOnly [ 100.600162] 313617 pages reserved [ 100.600164] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 100.600176] [ 470] 0 470 5385 189 15 3 0 -1000 udevd [ 100.600186] [ 590] 0 590 5383 176 14 3 0 -1000 udevd [ 100.600193] [ 591] 0 591 5383 176 14 3 0 -1000 udevd [ 100.600200] [ 1750] 0 1750 2492 573 8 3 0 0 dhclient [ 100.600207] [ 1891] 0 1891 14231 108 23 3 0 0 rsyslogd [ 100.600214] [ 1946] 0 1946 4724 51 14 4 0 0 cron [ 100.600221] [ 1964] 0 1964 3736 45 12 3 0 0 mcstransd [ 100.600228] [ 1966] 0 1966 12926 1231 26 3 0 0 restorecond [ 100.600235] [ 1992] 0 1992 12489 152 27 3 0 -1000 sshd [ 100.600242] [ 2022] 0 2022 3648 39 12 3 0 0 getty [ 100.600249] [ 2077] 0 2077 3648 44 13 3 0 0 getty [ 100.600256] [ 2078] 0 2078 3648 42 13 3 0 0 getty [ 100.600263] [ 2079] 0 2079 3648 42 12 3 0 0 getty [ 100.600269] [ 2080] 0 2080 3648 42 13 3 0 0 getty [ 100.600276] [ 2081] 0 2081 3648 43 13 3 0 0 getty [ 100.600283] [ 2082] 0 2082 3648 43 13 3 0 0 getty [ 100.600290] [ 2083] 0 2083 17820 199 40 3 0 0 sshd [ 100.600297] [ 2085] 0 2085 33838 1521 29 5 0 0 syz-execprog [ 100.600304] [ 2101] 0 2101 9408 16 5 2 0 0 syz-executor.2 [ 100.600311] [ 2104] 0 2104 9408 16 5 2 0 0 syz-executor.4 [ 100.600318] [ 2105] 0 2105 9408 16 5 2 0 0 syz-executor.0 [ 100.600325] [ 2106] 0 2106 9408 17 6 3 0 0 syz-executor.4 [ 100.600332] [ 2108] 0 2108 9408 15 5 2 0 0 syz-executor.3 [ 100.600339] [ 2109] 0 2109 9408 17 6 3 0 0 syz-executor.0 [ 100.600346] [ 2110] 0 2110 9408 16 5 2 0 0 syz-executor.1 [ 100.600353] [ 2112] 0 2112 9408 16 6 3 0 0 syz-executor.3 [ 100.600360] [ 2113] 0 2113 9408 15 5 2 0 0 syz-executor.5 [ 100.600367] [ 2114] 0 2114 9408 17 6 3 0 0 syz-executor.1 [ 100.600374] [ 2116] 0 2116 9408 17 6 3 0 0 syz-executor.2 [ 100.600381] [ 2117] 0 2117 9408 16 6 3 0 0 syz-executor.5 [ 100.600389] [ 2260] 0 2256 9474 1 9 4 0 1000 syz-executor.4 [ 100.600396] [ 2265] 0 2258 9474 1 9 4 0 1000 syz-executor.1 [ 100.600403] [ 2261] 0 2261 5364 170 14 3 0 -1000 udevd [ 100.600411] [ 2268] 0 2263 9474 1 9 4 0 1000 syz-executor.2 [ 100.600420] [ 2283] 0 2273 9474 1 9 4 0 1000 syz-executor.5 [ 100.600427] [ 2274] 0 2274 5364 170 14 3 0 -1000 udevd [ 100.600435] [ 2280] 0 2275 9507 1 9 4 0 1000 syz-executor.3 [ 100.600445] [ 2290] 0 2284 9507 1 9 4 0 1000 syz-executor.0 [ 100.600455] Out of memory: Kill process 2085 (syz-execprog) score 0 or sacrifice child [ 100.600499] Killed process 2101 (syz-executor.2) total-vm:37632kB, anon-rss:64kB, file-rss:0kB, shmem-rss:0kB [ 100.693746] syz-executor.1 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 [ 100.693753] CPU: 1 PID: 2269 Comm: syz-executor.1 Not tainted 4.9.141+ #1 [ 100.693764] ffff8801cb0d7518 ffffffff81b42e79 ffff8801cb0d78d8 ffffffff833e92b0 [ 100.693773] 00000000000003e8 ffff8801cb0d78f0 0000000000000000 ffff8801cb0d7598 [ 100.693781] ffffffff814fb526 0000000000000000 00000000000003e8 ffffffff82816fa5 [ 100.693783] Call Trace: [ 100.693793] [] dump_stack+0xc1/0x128 [ 100.693801] [] dump_header.isra.4+0x142/0x747 [ 100.693807] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 100.693813] [] ? ___ratelimit+0x53/0x401 [ 100.693820] [] oom_kill_process.cold.10+0xd/0xa6e [ 100.693827] [] ? check_preemption_disabled+0x3b/0x200 [ 100.693834] [] ? out_of_memory+0x6d4/0xe90 [ 100.693840] [] out_of_memory+0x292/0xe90 [ 100.693844] [] ? out_of_memory+0x410/0xe90 [ 100.693853] [] ? oom_killer_disable+0x200/0x200 [ 100.693859] [] ? trace_hardirqs_on+0xd/0x10 [ 100.693866] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 100.693873] [] __alloc_pages_nodemask+0x18ee/0x1bd0 [ 100.693878] [] ? _raw_spin_unlock_irq+0x38/0x50 [ 100.693886] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 100.693894] [] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 100.693899] [] ? retint_kernel+0x2d/0x2d [ 100.693906] [] __vmalloc_node_range+0x25b/0x600 [ 100.693914] [] ? xt_alloc_entry_offsets+0x41/0x60 [ 100.693919] [] vmalloc+0x5b/0x70 [ 100.693925] [] ? xt_alloc_entry_offsets+0x41/0x60 [ 100.693931] [] xt_alloc_entry_offsets+0x41/0x60 [ 100.693938] [] translate_table+0x215/0x1600 [ 100.693945] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 100.693952] [] ? compat_do_ipt_get_ctl+0x8e0/0x8e0 [ 100.693958] [] ? __check_object_size+0x248/0x38e [ 100.693965] [] do_ipt_set_ctl+0x2ce/0x460 [ 100.693971] [] ? compat_do_ipt_set_ctl+0x140/0x140 [ 100.693978] [] ? mutex_unlock+0x9/0x10 [ 100.693985] [] ? nf_sockopt_find.constprop.0+0x1b1/0x230 [ 100.693991] [] nf_setsockopt+0x6d/0xc0 [ 100.693998] [] ip_setsockopt+0x88/0xa0 [ 100.694004] [] udp_setsockopt+0x4a/0x90 [ 100.694012] [] ipv6_setsockopt+0x10a/0x130 [ 100.694017] [] tcp_setsockopt+0x88/0xe0 [ 100.694024] [] sock_common_setsockopt+0x9a/0xe0 [ 100.694030] [] SyS_setsockopt+0x166/0x260 [ 100.694036] [] ? SyS_recv+0x40/0x40 [ 100.694043] [] ? SyS_clock_gettime+0x11e/0x1f0 [ 100.694049] [] ? SyS_clock_settime+0x220/0x220 [ 100.694055] [] ? do_syscall_64+0x48/0x550 [ 100.694060] [] ? SyS_recv+0x40/0x40 [ 100.694065] [] do_syscall_64+0x19f/0x550 [ 100.694072] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 100.694075] Mem-Info: [ 100.694088] active_anon:5074 inactive_anon:41 isolated_anon:0 [ 100.694088] active_file:15 inactive_file:21 isolated_file:0 [ 100.694088] unevictable:0 dirty:0 writeback:0 unstable:0 [ 100.694088] slab_reclaimable:4586 slab_unreclaimable:57440 [ 100.694088] mapped:14 shmem:48 pagetables:469 bounce:0 [ 100.694088] free:6027 free_pcp:185 free_cma:0 [ 100.694099] Node 0 active_anon:20296kB inactive_anon:164kB active_file:60kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:56kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 100.694113] DMA32 free:18640kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 100.694135] Normal free:5468kB min:5580kB low:9168kB high:12756kB active_anon:20296kB inactive_anon:164kB active_file:60kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18344kB slab_unreclaimable:229760kB kernel_stack:4352kB pagetables:1876kB bounce:0kB free_pcp:620kB local_pcp:148kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 100.694181] DMA32: 2*4kB (M) 3*8kB (M) 3*16kB (UM) 2*32kB (M) 3*64kB (M) 3*128kB (UM) 4*256kB (UM) 1*512kB (M) 2*1024kB (M) 1*2048kB (M) 3*4096kB (M) = 18640kB Normal: 425*4kB (MH) 201*8kB (MH) 55*16kB (MH) 36*32kB (UMH) 4*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5596kB 84 total pagecache pages [ 100.694216] 0 pages in swap cache [ 100.694220] Swap cache stats: add 0, delete 0, find 0/0 [ 100.694221] Free swap = 0kB [ 100.694223] Total swap = 0kB [ 100.694225] 1965979 pages RAM [ 100.694226] 0 pages HighMem/MovableOnly [ 100.694228] 313617 pages reserved [ 100.694231] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 100.694242] [ 470] 0 470 5385 189 15 3 0 -1000 udevd [ 100.694251] [ 590] 0 590 5383 176 14 3 0 -1000 udevd [ 100.694260] [ 591] 0 591 5383 176 14 3 0 -1000 udevd [ 100.694268] [ 1750] 0 1750 2492 573 8 3 0 0 dhclient [ 100.694276] [ 1891] 0 1891 14231 108 23 3 0 0 rsyslogd [ 100.694284] [ 1946] 0 1946 4724 51 14 4 0 0 cron [ 100.694290] [ 1964] 0 1964 3736 45 12 3 0 0 mcstransd [ 100.694296] [ 1966] 0 1966 12926 1231 26 3 0 0 restorecond [ 100.694303] [ 1992] 0 1992 12489 152 27 3 0 -1000 sshd [ 100.694309] [ 2022] 0 2022 3648 39 12 3 0 0 getty [ 100.694315] [ 2077] 0 2077 3648 44 13 3 0 0 getty [ 100.694321] [ 2078] 0 2078 3648 42 13 3 0 0 getty [ 100.694327] [ 2079] 0 2079 3648 42 12 3 0 0 getty [ 100.694333] [ 2080] 0 2080 3648 42 13 3 0 0 getty [ 100.694339] [ 2081] 0 2081 3648 43 13 3 0 0 getty [ 100.694348] [ 2082] 0 2082 3648 43 13 3 0 0 getty [ 100.694355] [ 2083] 0 2083 17820 199 40 3 0 0 sshd [ 100.694361] [ 2085] 0 2085 33838 1521 29 5 0 0 syz-execprog [ 100.694367] [ 2104] 0 2104 9408 16 5 2 0 0 syz-executor.4 [ 100.694373] [ 2105] 0 2105 9408 16 5 2 0 0 syz-executor.0 [ 100.694379] [ 2106] 0 2106 9408 17 6 3 0 0 syz-executor.4 [ 100.694386] [ 2108] 0 2108 9408 15 5 2 0 0 syz-executor.3 [ 100.694392] [ 2109] 0 2109 9408 17 6 3 0 0 syz-executor.0 [ 100.694398] [ 2110] 0 2110 9408 16 5 2 0 0 syz-executor.1 [ 100.694404] [ 2112] 0 2112 9408 16 6 3 0 0 syz-executor.3 [ 100.694410] [ 2113] 0 2113 9408 15 5 2 0 0 syz-executor.5 [ 100.694416] [ 2114] 0 2114 9408 17 6 3 0 0 syz-executor.1 [ 100.694422] [ 2116] 0 2116 9408 17 6 3 0 0 syz-executor.2 [ 100.694428] [ 2117] 0 2117 9408 16 6 3 0 0 syz-executor.5 [ 100.694434] [ 2260] 0 2256 9474 1 9 4 0 1000 syz-executor.4 [ 100.694441] [ 2265] 0 2258 9474 1 9 4 0 1000 syz-executor.1 [ 100.694447] [ 2261] 0 2261 5364 170 14 3 0 -1000 udevd [ 100.694454] [ 2268] 0 2263 9474 1 9 4 0 1000 syz-executor.2 [ 100.694462] [ 2283] 0 2273 9474 1 9 4 0 1000 syz-executor.5 [ 100.694468] [ 2274] 0 2274 5364 170 14 3 0 -1000 udevd [ 100.694475] [ 2280] 0 2275 9507 1 9 4 0 1000 syz-executor.3 [ 100.694484] [ 2290] 0 2284 9507 1 9 4 0 1000 syz-executor.0 [ 100.694493] Out of memory: Kill process 2085 (syz-execprog) score 0 or sacrifice child [ 100.694533] Killed process 2104 (syz-executor.4) total-vm:37632kB, anon-rss:64kB, file-rss:0kB, shmem-rss:0kB [ 100.794142] getty invoked oom-killer: gfp_mask=0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=0, order=0, oom_score_adj=0 [ 100.794149] CPU: 0 PID: 2081 Comm: getty Not tainted 4.9.141+ #1 [ 100.794162] ffff8801cd4c76f8 ffffffff81b42e79 ffff8801cd4c7ab8 ffffffff833e92b0 [ 100.794183] 0000000000000000 ffff8801cd4c7ad0 0000000000000000 ffff8801cd4c7778 [ 100.794192] ffffffff814fb526 0000000000000000 0000000000000000 ffffffff82816fa5 [ 100.794193] Call Trace: [ 100.794204] [] dump_stack+0xc1/0x128 [ 100.794212] [] dump_header.isra.4+0x142/0x747 [ 100.794219] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 100.794226] [] ? ___ratelimit+0x53/0x401 [ 100.794233] [] oom_kill_process.cold.10+0xd/0xa6e [ 100.794241] [] ? check_preemption_disabled+0x3b/0x200 [ 100.794248] [] ? out_of_memory+0x6d4/0xe90 [ 100.794254] [] out_of_memory+0x292/0xe90 [ 100.794261] [] ? out_of_memory+0x410/0xe90 [ 100.794268] [] ? oom_killer_disable+0x200/0x200 [ 100.794275] [] ? trace_hardirqs_on+0xd/0x10 [ 100.794282] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 100.794289] [] __alloc_pages_nodemask+0x18ee/0x1bd0 [ 100.794296] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 100.794304] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 100.794310] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 100.794317] [] ? find_get_entry+0x11a/0x570 [ 100.794323] [] ? find_get_entry+0x141/0x570 [ 100.794329] [] ? page_cache_prev_hole+0x80/0x80 [ 100.794335] [] ? pagecache_get_page+0x131/0x710 [ 100.794342] [] filemap_fault+0xaf1/0x1110 [ 100.794350] [] ext4_filemap_fault+0x71/0xa0 [ 100.794356] [] __do_fault+0x223/0x500 [ 100.794362] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 100.794370] [] ? generic_file_readonly_mmap+0x190/0x190 [ 100.794376] [] handle_mm_fault+0x1326/0x2350 [ 100.794383] [] ? vm_insert_page+0x6f0/0x6f0 [ 100.794390] [] ? hrtimer_nanosleep+0x38c/0x550 [ 100.794396] [] ? memset+0x31/0x40 [ 100.794404] [] __do_page_fault+0x403/0xa60 [ 100.794410] [] ? bad_area_access_error+0x3a0/0x3a0 [ 100.794418] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 100.794425] [] do_page_fault+0x27/0x30 [ 100.794431] [] page_fault+0x25/0x30 [ 100.794434] Mem-Info: [ 100.794449] active_anon:5074 inactive_anon:41 isolated_anon:0 [ 100.794449] active_file:15 inactive_file:21 isolated_file:0 [ 100.794449] unevictable:0 dirty:0 writeback:0 unstable:0 [ 100.794449] slab_reclaimable:4586 slab_unreclaimable:57440 [ 100.794449] mapped:14 shmem:48 pagetables:469 bounce:0 [ 100.794449] free:6027 free_pcp:203 free_cma:0 [ 100.794460] Node 0 active_anon:20296kB inactive_anon:164kB active_file:60kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:56kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 100.794476] DMA32 free:18640kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 100.794499] Normal free:5468kB min:5580kB low:9168kB high:12756kB active_anon:20296kB inactive_anon:164kB active_file:60kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18344kB slab_unreclaimable:229760kB kernel_stack:4320kB pagetables:1876kB bounce:0kB free_pcp:692kB local_pcp:544kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 100.794572] DMA32: 2*4kB (M) 4*8kB (UM) 2*16kB (M) 2*32kB (M) 3*64kB (M) 3*128kB (UM) 4*256kB (UM) 1*512kB (M) 2*1024kB (M) 1*2048kB (M) 3*4096kB (M) = 18632kB Normal: 425*4kB (MH) 201*8kB (MH) 55*16kB (MH) 37*32kB (UMH) 4*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5628kB 84 total pagecache pages [ 100.794625] 0 pages in swap cache [ 100.794629] Swap cache stats: add 0, delete 0, find 0/0 [ 100.794631] Free swap = 0kB [ 100.794633] Total swap = 0kB [ 100.794635] 1965979 pages RAM [ 100.794637] 0 pages HighMem/MovableOnly [ 100.794639] 313617 pages reserved [ 100.794641] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 100.794653] [ 470] 0 470 5385 189 15 3 0 -1000 udevd [ 100.794663] [ 590] 0 590 5383 176 14 3 0 -1000 udevd [ 100.794672] [ 591] 0 591 5383 176 14 3 0 -1000 udevd [ 100.794681] [ 1750] 0 1750 2492 573 8 3 0 0 dhclient [ 100.794688] [ 1891] 0 1891 14231 108 23 3 0 0 rsyslogd [ 100.794695] [ 1946] 0 1946 4724 51 14 4 0 0 cron [ 100.794702] [ 1964] 0 1964 3736 45 12 3 0 0 mcstransd [ 100.794708] [ 1966] 0 1966 12926 1231 26 3 0 0 restorecond [ 100.794715] [ 1992] 0 1992 12489 152 27 3 0 -1000 sshd [ 100.794721] [ 2022] 0 2022 3648 39 12 3 0 0 getty [ 100.794728] [ 2077] 0 2077 3648 44 13 3 0 0 getty [ 100.794734] [ 2078] 0 2078 3648 42 13 3 0 0 getty [ 100.794740] [ 2079] 0 2079 3648 42 12 3 0 0 getty [ 100.794768] [ 2080] 0 2080 3648 42 13 3 0 0 getty [ 100.794775] [ 2081] 0 2081 3648 43 13 3 0 0 getty [ 100.794782] [ 2082] 0 2082 3648 43 13 3 0 0 getty [ 100.794788] [ 2083] 0 2083 17820 199 40 3 0 0 sshd [ 100.794795] [ 2085] 0 2085 33838 1521 29 5 0 0 syz-execprog [ 100.794804] [ 2105] 0 2105 9408 16 5 2 0 0 syz-executor.0 [ 100.794811] [ 2106] 0 2106 9408 17 6 3 0 0 syz-executor.4 [ 100.794818] [ 2108] 0 2108 9408 15 5 2 0 0 syz-executor.3 [ 100.794825] [ 2109] 0 2109 9408 17 6 3 0 0 syz-executor.0 [ 100.794840] [ 2110] 0 2110 9408 16 5 2 0 0 syz-executor.1 [ 100.794848] [ 2112] 0 2112 9408 16 6 3 0 0 syz-executor.3 [ 100.794854] [ 2113] 0 2113 9408 15 5 2 0 0 syz-executor.5 [ 100.794861] [ 2114] 0 2114 9408 17 6 3 0 0 syz-executor.1 [ 100.794868] [ 2116] 0 2116 9408 17 6 3 0 0 syz-executor.2 [ 100.794876] [ 2117] 0 2117 9408 16 6 3 0 0 syz-executor.5 [ 100.794883] [ 2260] 0 2256 9474 1 9 4 0 1000 syz-executor.4 [ 100.794891] [ 2265] 0 2258 9474 1 9 4 0 1000 syz-executor.1 [ 100.794898] [ 2261] 0 2261 5364 170 14 3 0 -1000 udevd [ 100.794905] [ 2268] 0 2263 9474 1 9 4 0 1000 syz-executor.2 [ 100.794914] [ 2283] 0 2273 9474 1 9 4 0 1000 syz-executor.5 [ 100.794921] [ 2274] 0 2274 5364 170 14 3 0 -1000 udevd [ 100.794929] [ 2280] 0 2275 9507 1 9 4 0 1000 syz-executor.3 [ 100.794940] [ 2290] 0 2284 9507 1 9 4 0 1000 syz-executor.0 [ 100.794962] Out of memory: Kill process 2085 (syz-execprog) score 0 or sacrifice child [ 100.795003] Killed process 2105 (syz-executor.0) total-vm:37632kB, anon-rss:64kB, file-rss:0kB, shmem-rss:0kB [ 100.911483] getty invoked oom-killer: gfp_mask=0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=0, order=0, oom_score_adj=0 [ 100.911491] CPU: 0 PID: 2077 Comm: getty Not tainted 4.9.141+ #1 [ 100.911503] ffff8801cfb876f8 ffffffff81b42e79 ffff8801cfb87ab8 ffffffff833e92b0 [ 100.911513] 0000000000000000 ffff8801cfb87ad0 0000000000000000 ffff8801cfb87778 [ 100.911522] ffffffff814fb526 0000000000000000 0000000000000000 ffffffff82816fa5 [ 100.911524] Call Trace: [ 100.911535] [] dump_stack+0xc1/0x128 [ 100.911543] [] dump_header.isra.4+0x142/0x747 [ 100.911551] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 100.911558] [] ? ___ratelimit+0x53/0x401 [ 100.911566] [] oom_kill_process.cold.10+0xd/0xa6e [ 100.911574] [] ? check_preemption_disabled+0x3b/0x200 [ 100.911582] [] ? out_of_memory+0x6d4/0xe90 [ 100.911589] [] out_of_memory+0x292/0xe90 [ 100.911595] [] ? out_of_memory+0x410/0xe90 [ 100.911603] [] ? oom_killer_disable+0x200/0x200 [ 100.911610] [] ? trace_hardirqs_on+0xd/0x10 [ 100.911618] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 100.911639] [] __alloc_pages_nodemask+0x18ee/0x1bd0 [ 100.911646] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 100.911654] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 100.911661] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 100.911667] [] ? find_get_entry+0x11a/0x570 [ 100.911674] [] ? find_get_entry+0x141/0x570 [ 100.911680] [] ? page_cache_prev_hole+0x80/0x80 [ 100.911686] [] ? pagecache_get_page+0x131/0x710 [ 100.911693] [] filemap_fault+0xaf1/0x1110 [ 100.911701] [] ext4_filemap_fault+0x71/0xa0 [ 100.911707] [] __do_fault+0x223/0x500 [ 100.911731] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 100.911738] [] ? generic_file_readonly_mmap+0x190/0x190 [ 100.911745] [] handle_mm_fault+0x1326/0x2350 [ 100.911752] [] ? vm_insert_page+0x6f0/0x6f0 [ 100.911759] [] ? hrtimer_nanosleep+0x38c/0x550 [ 100.911766] [] ? memset+0x31/0x40 [ 100.911775] [] __do_page_fault+0x403/0xa60 [ 100.911782] [] ? bad_area_access_error+0x3a0/0x3a0 [ 100.911791] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 100.911798] [] do_page_fault+0x27/0x30 [ 100.911804] [] page_fault+0x25/0x30 [ 100.911807] Mem-Info: [ 100.911828] active_anon:5049 inactive_anon:41 isolated_anon:0 [ 100.911828] active_file:15 inactive_file:21 isolated_file:0 [ 100.911828] unevictable:0 dirty:0 writeback:0 unstable:0 [ 100.911828] slab_reclaimable:4586 slab_unreclaimable:57440 [ 100.911828] mapped:14 shmem:48 pagetables:469 bounce:0 [ 100.911828] free:6027 free_pcp:221 free_cma:0 [ 100.911840] Node 0 active_anon:20196kB inactive_anon:164kB active_file:60kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:56kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 100.911856] DMA32 free:18640kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 100.911882] Normal free:5468kB min:5580kB low:9168kB high:12756kB active_anon:20196kB inactive_anon:164kB active_file:60kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18344kB slab_unreclaimable:229760kB kernel_stack:4288kB pagetables:1876kB bounce:0kB free_pcp:764kB local_pcp:544kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 100.911947] DMA32: 2*4kB (M) 4*8kB (UM) 2*16kB (M) 2*32kB (M) 3*64kB (M) 3*128kB (UM) 4*256kB (UM) 1*512kB (M) 2*1024kB (M) 1*2048kB (M) 3*4096kB (M) = 18632kB Normal: 425*4kB (MH) 200*8kB (MH) 55*16kB (MH) 38*32kB (UMH) 4*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5652kB 84 total pagecache pages [ 100.912004] 0 pages in swap cache [ 100.912008] Swap cache stats: add 0, delete 0, find 0/0 [ 100.912010] Free swap = 0kB [ 100.912012] Total swap = 0kB [ 100.912014] 1965979 pages RAM [ 100.912016] 0 pages HighMem/MovableOnly [ 100.912018] 313617 pages reserved [ 100.912033] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 100.912045] [ 470] 0 470 5385 189 15 3 0 -1000 udevd [ 100.912055] [ 590] 0 590 5383 176 14 3 0 -1000 udevd [ 100.912064] [ 591] 0 591 5383 176 14 3 0 -1000 udevd [ 100.912073] [ 1750] 0 1750 2492 573 8 3 0 0 dhclient [ 100.912081] [ 1891] 0 1891 14231 108 23 3 0 0 rsyslogd [ 100.912088] [ 1946] 0 1946 4724 51 14 4 0 0 cron [ 100.912094] [ 1964] 0 1964 3736 45 12 3 0 0 mcstransd [ 100.912101] [ 1966] 0 1966 12926 1231 26 3 0 0 restorecond [ 100.912108] [ 1992] 0 1992 12489 152 27 3 0 -1000 sshd [ 100.912114] [ 2022] 0 2022 3648 39 12 3 0 0 getty [ 100.912121] [ 2077] 0 2077 3648 44 13 3 0 0 getty [ 100.912127] [ 2078] 0 2078 3648 42 13 3 0 0 getty [ 100.912133] [ 2079] 0 2079 3648 42 12 3 0 0 getty [ 100.912140] [ 2080] 0 2080 3648 42 13 3 0 0 getty [ 100.912146] [ 2081] 0 2081 3648 43 13 3 0 0 getty [ 100.912153] [ 2082] 0 2082 3648 43 13 3 0 0 getty [ 100.912159] [ 2083] 0 2083 17820 199 40 3 0 0 sshd [ 100.912165] [ 2085] 0 2085 33838 1521 29 5 0 0 syz-execprog [ 100.912174] [ 2106] 0 2106 9408 17 6 3 0 0 syz-executor.4 [ 100.912181] [ 2108] 0 2108 9408 15 5 2 0 0 syz-executor.3 [ 100.912187] [ 2109] 0 2109 9408 17 6 3 0 0 syz-executor.0 [ 100.912194] [ 2110] 0 2110 9408 16 5 2 0 0 syz-executor.1 [ 100.912200] [ 2112] 0 2112 9408 16 6 3 0 0 syz-executor.3 [ 100.912207] [ 2113] 0 2113 9408 15 5 2 0 0 syz-executor.5 [ 100.912213] [ 2114] 0 2114 9408 17 6 3 0 0 syz-executor.1 [ 100.912220] [ 2116] 0 2116 9408 17 6 3 0 0 syz-executor.2 [ 100.912226] [ 2117] 0 2117 9408 16 6 3 0 0 syz-executor.5 [ 100.912234] [ 2260] 0 2256 9474 1 9 4 0 1000 syz-executor.4 [ 100.912241] [ 2265] 0 2258 9474 1 9 4 0 1000 syz-executor.1 [ 100.912247] [ 2261] 0 2261 5364 170 14 3 0 -1000 udevd [ 100.912272] [ 2268] 0 2263 9474 1 9 4 0 1000 syz-executor.2 [ 100.912281] [ 2283] 0 2273 9474 1 9 4 0 1000 syz-executor.5 [ 100.912288] [ 2274] 0 2274 5364 170 14 3 0 -1000 udevd [ 100.912296] [ 2280] 0 2275 9507 1 9 4 0 1000 syz-executor.3 [ 100.912307] [ 2290] 0 2284 9507 1 9 4 0 1000 syz-executor.0 [ 100.912317] Out of memory: Kill process 2085 (syz-execprog) score 0 or sacrifice child [ 100.912355] Killed process 2110 (syz-executor.1) total-vm:37632kB, anon-rss:64kB, file-rss:0kB, shmem-rss:0kB [ 100.947006] lowmemorykiller: Killing 'syz-executor.4' (2260) (tgid 2256), adj 1000, [ 100.947006] to free 4kB on behalf of 'syz-executor.2' (2116) because [ 100.947006] cache 292kB is below limit 6144kB for oom_score_adj 0 [ 100.947006] Free memory is -13320kB above reserved [ 100.981153] Out of memory: Kill process 2085 (syz-execprog) score 0 or sacrifice child [ 100.981183] Killed process 2113 (syz-executor.5) total-vm:37632kB, anon-rss:60kB, file-rss:0kB, shmem-rss:0kB [ 101.040729] Out of memory: Kill process 2085 (syz-execprog) score 0 or sacrifice child [ 101.040766] Killed process 2108 (syz-executor.3) total-vm:37632kB, anon-rss:60kB, file-rss:0kB, shmem-rss:0kB [ 101.100932] Out of memory: Kill process 2085 (syz-execprog) score 0 or sacrifice child [ 101.100983] Killed process 2085 (syz-execprog) total-vm:135352kB, anon-rss:6084kB, file-rss:0kB, shmem-rss:0kB [ 101.121341] oom_reaper: reaped process 2085 (syz-execprog), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 101.123997] Out of memory: Kill process 1966 (restorecond) score 0 or sacrifice child [ 101.124018] Killed process 1966 (restorecond) total-vm:51704kB, anon-rss:4924kB, file-rss:0kB, shmem-rss:0kB [ 101.166474] Out of memory: Kill process 1750 (dhclient) score 0 or sacrifice child [ 101.166496] Killed process 1750 (dhclient) total-vm:9968kB, anon-rss:2292kB, file-rss:0kB, shmem-rss:0kB [ 101.184063] Out of memory: Kill process 2083 (sshd) score 0 or sacrifice child [ 101.184090] Killed process 2083 (sshd) total-vm:71280kB, anon-rss:788kB, file-rss:4kB, shmem-rss:4kB [ 101.185768] Out of memory: Kill process 1891 (rsyslogd) score 0 or sacrifice child [ 101.185808] Killed process 1891 (rsyslogd) total-vm:56924kB, anon-rss:428kB, file-rss:4kB, shmem-rss:0kB [ 101.186782] oom_reaper: reaped process 1891 (rsyslogd), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 101.188171] Out of memory: Kill process 1946 (cron) score 0 or sacrifice child [ 101.188435] Killed process 1946 (cron) total-vm:18896kB, anon-rss:200kB, file-rss:4kB, shmem-rss:0kB [ 101.208242] Out of memory: Kill process 1964 (mcstransd) score 0 or sacrifice child [ 101.208265] Killed process 1964 (mcstransd) total-vm:14944kB, anon-rss:180kB, file-rss:0kB, shmem-rss:0kB [ 101.297918] Out of memory: Kill process 2077 (getty) score 0 or sacrifice child [ 101.297933] Killed process 2077 (getty) total-vm:14592kB, anon-rss:172kB, file-rss:4kB, shmem-rss:0kB [ 101.302337] Out of memory: Kill process 2078 (getty) score 0 or sacrifice child [ 101.302347] Killed process 2078 (getty) total-vm:14592kB, anon-rss:164kB, file-rss:4kB, shmem-rss:0kB [ 101.445540] Out of memory: Kill process 2081 (getty) score 0 or sacrifice child [ 101.445554] Killed process 2081 (getty) total-vm:14592kB, anon-rss:168kB, file-rss:0kB, shmem-rss:0kB [ 101.533646] Out of memory: Kill process 2082 (getty) score 0 or sacrifice child [ 101.533663] Killed process 2082 (getty) total-vm:14592kB, anon-rss:168kB, file-rss:0kB, shmem-rss:0kB [ 101.675832] Out of memory: Kill process 2080 (getty) score 0 or sacrifice child [ 101.675844] Killed process 2080 (getty) total-vm:14592kB, anon-rss:164kB, file-rss:0kB, shmem-rss:0kB [ 101.761686] Out of memory: Kill process 2079 (getty) score 0 or sacrifice child [ 101.761699] Killed process 2079 (getty) total-vm:14592kB, anon-rss:164kB, file-rss:0kB, shmem-rss:0kB [ 101.817290] Out of memory: Kill process 2022 (getty) score 0 or sacrifice child [ 101.817318] Killed process 2022 (getty) total-vm:14592kB, anon-rss:152kB, file-rss:4kB, shmem-rss:0kB [ 101.957009] oom_reaper: reaped process 2106 (syz-executor.4), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 101.957060] lowmemorykiller: Killing 'init' (1) (tgid 1), adj 0, [ 101.957060] to free 132kB on behalf of 'sshd' (2083) because [ 101.957060] cache 124kB is below limit 6144kB for oom_score_adj 0 [ 101.957060] Free memory is -13288kB above reserved [ 101.958783] sshd invoked oom-killer: gfp_mask=0x24002c0(GFP_KERNEL|__GFP_NOWARN), nodemask=0, order=2, oom_score_adj=0 [ 101.958791] CPU: 1 PID: 2083 Comm: sshd Not tainted 4.9.141+ #1 [ 101.958805] ffff8801cd6070c0 ffffffff81b42e79 ffff8801cd6073d8 ffffffff833e92b0 [ 101.958815] 0000000000000000 ffff8801cd6073f0 0000000000000002 ffff8801cd607140 [ 101.958825] ffffffff814fb526 0000000000000002 0000000000000000 ffff8801ceddcfe8 [ 101.958827] Call Trace: [ 101.958841] [] dump_stack+0xc1/0x128 [ 101.958850] [] dump_header.isra.4+0x142/0x747 [ 101.958859] [] ? out_of_memory+0x6d4/0xe90 [ 101.958866] [] out_of_memory.cold.11+0xd/0x5d [ 101.958874] [] ? out_of_memory+0x410/0xe90 [ 101.958881] [] ? oom_killer_disable+0x200/0x200 [ 101.958889] [] ? trace_hardirqs_on+0xd/0x10 [ 101.958897] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 101.958906] [] __alloc_pages_nodemask+0x18ee/0x1bd0 [ 101.958927] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 101.958937] [] ? update_stack_state.constprop.2+0x7c/0x170 [ 101.958943] [] ? unwind_next_frame+0x7d/0xd0 [ 101.958952] [] depot_save_stack+0x436/0x470 [ 101.958959] [] kasan_kmalloc.part.1+0xc9/0xf0 [ 101.958968] [] ? save_stack_trace+0x16/0x20 [ 101.958974] [] ? kasan_kmalloc.part.1+0x62/0xf0 [ 101.958981] [] ? kasan_kmalloc+0xaf/0xc0 [ 101.958988] [] ? kasan_slab_alloc+0x12/0x20 [ 101.958995] [] ? kmem_cache_alloc+0xd5/0x2b0 [ 101.959005] [] ? __alloc_skb+0xe6/0x5b0 [ 101.959014] [] ? tcp_send_fin+0x1da/0xab0 [ 101.959021] [] ? tcp_close+0xd83/0x1070 [ 101.959030] [] ? inet_release+0xff/0x1d0 [ 101.959038] [] ? __sock_release+0xd7/0x260 [ 101.959045] [] ? sock_close+0x19/0x20 [ 101.959053] [] ? __fput+0x263/0x700 [ 101.959059] [] ? ____fput+0x15/0x20 [ 101.959067] [] ? task_work_run+0x10c/0x180 [ 101.959074] [] ? do_exit+0x78d/0x2a50 [ 101.959080] [] ? do_group_exit+0x111/0x300 [ 101.959087] [] ? get_signal+0x4e1/0x1460 [ 101.959094] [] ? do_signal+0x95/0x1b00 [ 101.959103] [] ? exit_to_usermode_loop+0x10e/0x150 [ 101.959109] [] ? do_syscall_64+0x3e2/0x550 [ 101.959117] [] ? entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 101.959126] [] ? kasan_unpoison_shadow+0x35/0x50 [ 101.959133] [] kasan_kmalloc+0xaf/0xc0 [ 101.959140] [] ? __alloc_skb+0xe6/0x5b0 [ 101.959147] [] kasan_slab_alloc+0x12/0x20 [ 101.959155] [] kmem_cache_alloc+0xd5/0x2b0 [ 101.959162] [] __alloc_skb+0xe6/0x5b0 [ 101.959170] [] ? __kmalloc_reserve.isra.5+0xc0/0xc0 [ 101.959178] [] ? __local_bh_enable_ip+0x6a/0xe0 [ 101.959185] [] tcp_send_fin+0x1da/0xab0 [ 101.959192] [] ? tcp_set_state+0x165/0x3f0 [ 101.959199] [] tcp_close+0xd83/0x1070 [ 101.959206] [] ? __sock_release+0x8b/0x260 [ 101.959214] [] ? ip_mc_drop_socket+0x1d3/0x230 [ 101.959221] [] inet_release+0xff/0x1d0 [ 101.959229] [] __sock_release+0xd7/0x260 [ 101.959237] [] ? __sock_release+0x260/0x260 [ 101.959244] [] sock_close+0x19/0x20 [ 101.959251] [] __fput+0x263/0x700 [ 101.959258] [] ____fput+0x15/0x20 [ 101.959265] [] task_work_run+0x10c/0x180 [ 101.959271] [] do_exit+0x78d/0x2a50 [ 101.959278] [] ? trace_hardirqs_on+0x10/0x10 [ 101.959285] [] ? release_task.part.4+0x14b0/0x14b0 [ 101.959293] [] ? __dequeue_signal+0x79/0x5f0 [ 101.959300] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 101.959308] [] ? recalc_sigpending+0x72/0x90 [ 101.959315] [] ? dequeue_signal+0xc4/0x4b0 [ 101.959323] [] ? check_preemption_disabled+0x3b/0x200 [ 101.959330] [] do_group_exit+0x111/0x300 [ 101.959337] [] get_signal+0x4e1/0x1460 [ 101.959345] [] do_signal+0x95/0x1b00 [ 101.959352] [] ? __might_fault+0x18e/0x1d0 [ 101.959358] [] ? __might_fault+0xe4/0x1d0 [ 101.959367] [] ? poll_select_copy_remaining+0x27d/0x3a0 [ 101.959374] [] ? poll_schedule_timeout+0x200/0x200 [ 101.959382] [] ? setup_sigcontext+0x7d0/0x7d0 [ 101.959390] [] ? kvm_clock_get_cycles+0x9/0x10 [ 101.959398] [] ? poll_select_set_timeout+0xb5/0x120 [ 101.959405] [] ? SyS_select+0x176/0x1e0 [ 101.959413] [] ? core_sys_select+0x820/0x820 [ 101.959421] [] ? exit_to_usermode_loop+0xbe/0x150 [ 101.959429] [] exit_to_usermode_loop+0x10e/0x150 [ 101.959436] [] do_syscall_64+0x3e2/0x550 [ 101.959443] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 101.959447] Mem-Info: [ 101.959463] active_anon:764 inactive_anon:41 isolated_anon:0 [ 101.959463] active_file:24 inactive_file:31 isolated_file:0 [ 101.959463] unevictable:0 dirty:0 writeback:0 unstable:0 [ 101.959463] slab_reclaimable:4587 slab_unreclaimable:57066 [ 101.959463] mapped:17 shmem:48 pagetables:146 bounce:0 [ 101.959463] free:6024 free_pcp:82 free_cma:0 [ 101.959475] Node 0 active_anon:3056kB inactive_anon:164kB active_file:96kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:68kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 101.959493] DMA32 free:18700kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:8kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 101.959519] Normal free:5396kB min:5580kB low:9168kB high:12756kB active_anon:3056kB inactive_anon:164kB active_file:96kB inactive_file:124kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18348kB slab_unreclaimable:228256kB kernel_stack:3392kB pagetables:584kB bounce:0kB free_pcp:328kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 101.959579] DMA32: 1*4kB (M) 4*8kB (UM) 3*16kB (UM) 3*32kB (UM) 4*64kB (UM) 3*128kB (UM) 4*256kB (UM) 1*512kB (M) 2*1024kB (M) 1*2048kB (M) 3*4096kB (M) = 18740kB Normal: 425*4kB (MH) 100*8kB (UMH) 47*16kB (UMH) 33*32kB (UMH) 1*64kB (H) 0*128kB 0*256kB 2*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5396kB 79 total pagecache pages [ 101.959624] 0 pages in swap cache [ 101.959628] Swap cache stats: add 0, delete 0, find 0/0 [ 101.959631] Free swap = 0kB [ 101.959633] Total swap = 0kB [ 101.959635] 1965979 pages RAM [ 101.959637] 0 pages HighMem/MovableOnly [ 101.959639] 313617 pages reserved [ 101.959642] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 101.959656] [ 470] 0 470 5385 188 15 3 0 -1000 udevd [ 101.959667] [ 590] 0 590 5383 176 14 3 0 -1000 udevd [ 101.959677] [ 591] 0 591 5383 176 14 3 0 -1000 udevd [ 101.959692] [ 1992] 0 1992 12489 152 27 3 0 -1000 sshd [ 101.959713] [ 2106] 0 2106 9408 0 6 3 0 0 syz-executor.4 [ 101.959731] [ 2260] 0 2256 9474 0 9 4 0 1000 syz-executor.4 [ 101.959742] [ 2265] 0 2258 9474 0 9 4 0 1000 syz-executor.1 [ 101.959752] [ 2261] 0 2261 5364 170 14 3 0 -1000 udevd [ 101.959763] [ 2268] 0 2263 9474 0 9 4 0 1000 syz-executor.2 [ 101.959775] [ 2283] 0 2273 9474 0 9 4 0 1000 syz-executor.5 [ 101.959785] [ 2274] 0 2274 5364 170 14 3 0 -1000 udevd [ 101.959796] [ 2280] 0 2275 9507 0 9 4 0 1000 syz-executor.3 [ 101.959808] [ 2290] 0 2284 9507 0 9 4 0 1000 syz-executor.0 [ 101.959817] Kernel panic - not syncing: Out of memory and no killable processes... [ 101.959817] [ 101.959823] CPU: 1 PID: 2083 Comm: sshd Not tainted 4.9.141+ #1 [ 101.959834] ffff8801cd607080 ffffffff81b42e79 ffffffff82a962c0 00000000ffffffff [ 101.959844] ffffffff83029100 0000000000000001 dffffc0000000000 ffff8801cd607140 [ 101.959854] ffffffff813f7125 0000000041b58ab3 ffffffff82e2b62b ffffffff813f6f66 [ 101.959856] Call Trace: [ 101.959864] [] dump_stack+0xc1/0x128 [ 101.959871] [] panic+0x1bf/0x39f [ 101.959879] [] ? add_taint.cold.5+0x16/0x16 [ 101.959886] [] ? dump_header.isra.4+0x738/0x747 [ 101.959894] [] ? dump_header.isra.4+0x738/0x747 [ 101.959901] [] out_of_memory.cold.11+0x1e/0x5d [ 101.959909] [] ? out_of_memory+0x410/0xe90 [ 101.959921] [] ? oom_killer_disable+0x200/0x200 [ 101.959928] [] ? trace_hardirqs_on+0xd/0x10 [ 101.959936] [] ? __alloc_pages_nodemask+0x1173/0x1bd0 [ 101.959944] [] __alloc_pages_nodemask+0x18ee/0x1bd0 [ 101.959953] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 101.959962] [] ? update_stack_state.constprop.2+0x7c/0x170 [ 101.959968] [] ? unwind_next_frame+0x7d/0xd0 [ 101.959976] [] depot_save_stack+0x436/0x470 [ 101.959983] [] kasan_kmalloc.part.1+0xc9/0xf0 [ 101.959991] [] ? save_stack_trace+0x16/0x20 [ 101.959997] [] ? kasan_kmalloc.part.1+0x62/0xf0 [ 101.960004] [] ? kasan_kmalloc+0xaf/0xc0 [ 101.960011] [] ? kasan_slab_alloc+0x12/0x20 [ 101.960018] [] ? kmem_cache_alloc+0xd5/0x2b0 [ 101.960025] [] ? __alloc_skb+0xe6/0x5b0 [ 101.960032] [] ? tcp_send_fin+0x1da/0xab0 [ 101.960039] [] ? tcp_close+0xd83/0x1070 [ 101.960046] [] ? inet_release+0xff/0x1d0 [ 101.960053] [] ? __sock_release+0xd7/0x260 [ 101.960060] [] ? sock_close+0x19/0x20 [ 101.960067] [] ? __fput+0x263/0x700 [ 101.960073] [] ? ____fput+0x15/0x20 [ 101.960080] [] ? task_work_run+0x10c/0x180 [ 101.960086] [] ? do_exit+0x78d/0x2a50 [ 101.960093] [] ? do_group_exit+0x111/0x300 [ 101.960099] [] ? get_signal+0x4e1/0x1460 [ 101.960106] [] ? do_signal+0x95/0x1b00 [ 101.960114] [] ? exit_to_usermode_loop+0x10e/0x150 [ 101.960121] [] ? do_syscall_64+0x3e2/0x550 [ 101.960128] [] ? entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 101.960137] [] ? kasan_unpoison_shadow+0x35/0x50 [ 101.960143] [] kasan_kmalloc+0xaf/0xc0 [ 101.960151] [] ? __alloc_skb+0xe6/0x5b0 [ 101.960157] [] kasan_slab_alloc+0x12/0x20 [ 101.960165] [] kmem_cache_alloc+0xd5/0x2b0 [ 101.960173] [] __alloc_skb+0xe6/0x5b0 [ 101.960181] [] ? __kmalloc_reserve.isra.5+0xc0/0xc0 [ 101.960187] [] ? __local_bh_enable_ip+0x6a/0xe0 [ 101.960195] [] tcp_send_fin+0x1da/0xab0 [ 101.960201] [] ? tcp_set_state+0x165/0x3f0 [ 101.960208] [] tcp_close+0xd83/0x1070 [ 101.960215] [] ? __sock_release+0x8b/0x260 [ 101.960223] [] ? ip_mc_drop_socket+0x1d3/0x230 [ 101.960230] [] inet_release+0xff/0x1d0 [ 101.960238] [] __sock_release+0xd7/0x260 [ 101.960245] [] ? __sock_release+0x260/0x260 [ 101.960253] [] sock_close+0x19/0x20 [ 101.960259] [] __fput+0x263/0x700 [ 101.960266] [] ____fput+0x15/0x20 [ 101.960273] [] task_work_run+0x10c/0x180 [ 101.960279] [] do_exit+0x78d/0x2a50 [ 101.960286] [] ? trace_hardirqs_on+0x10/0x10 [ 101.960294] [] ? release_task.part.4+0x14b0/0x14b0 [ 101.960301] [] ? __dequeue_signal+0x79/0x5f0 [ 101.960308] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 101.960316] [] ? recalc_sigpending+0x72/0x90 [ 101.960323] [] ? dequeue_signal+0xc4/0x4b0 [ 101.960331] [] ? check_preemption_disabled+0x3b/0x200 [ 101.960338] [] do_group_exit+0x111/0x300 [ 101.960344] [] get_signal+0x4e1/0x1460 [ 101.960352] [] do_signal+0x95/0x1b00 [ 101.960359] [] ? __might_fault+0x18e/0x1d0 [ 101.960365] [] ? __might_fault+0xe4/0x1d0 [ 101.960373] [] ? poll_select_copy_remaining+0x27d/0x3a0 [ 101.960381] [] ? poll_schedule_timeout+0x200/0x200 [ 101.960388] [] ? setup_sigcontext+0x7d0/0x7d0 [ 101.960396] [] ? kvm_clock_get_cycles+0x9/0x10 [ 101.960403] [] ? poll_select_set_timeout+0xb5/0x120 [ 101.960411] [] ? SyS_select+0x176/0x1e0 [ 101.960418] [] ? core_sys_select+0x820/0x820 [ 101.960427] [] ? exit_to_usermode_loop+0xbe/0x150 [ 101.960435] [] exit_to_usermode_loop+0x10e/0x150 [ 101.960442] [] do_syscall_64+0x3e2/0x550 [ 101.960449] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 101.961029] Kernel Offset: disabled [ 111.582314] Rebooting in 86400 seconds..