panic: failed to reclaim memory cpuid = 1 time = 17 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xfffffe0056bdb470 kdb_backtrace() at kdb_backtrace+0xd0/frame 0xfffffe0056bdb5d0 vpanic() at vpanic+0x257/frame 0xfffffe0056bdb790 panic() at panic+0xb5/frame 0xfffffe0056bdb860 vm_pageout_oom() at vm_pageout_oom+0xce4/frame 0xfffffe0056bdb8f0 vm_pageout_worker() at vm_pageout_worker+0xf9b/frame 0xfffffe0056bdbea0 vm_pageout() at vm_pageout+0x2ce/frame 0xfffffe0056bdbef0 fork_exit() at fork_exit+0xcc/frame 0xfffffe0056bdbf30 fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe0056bdbf30 --- trap 0, rip = 0, rsp = 0, rbp = 0 --- KDB: enter: panic [ thread pid 8 tid 100077 ] Stopped at kdb_enter+0x6e: movq $0,0x25c2d57(%rip) db> db> set $lines = 0 db> set $maxwidth = 0 db> show registers cs 0x20 ds 0x3b es 0x3b fs 0x13 gs 0x1b ss 0x28 rax 0x12 rcx 0xfffffe0002bf1850 rdx 0 rbx 0xffffffff827bfec0 .str.27 rsp 0xfffffe0056bdb5b0 rbp 0xfffffe0056bdb5d0 rsi 0 rdi 0xffffffff816128b9 printf+0x149 r8 0 r9 0xffffffff r10 0 r11 0xfffffe007d693cd0 r12 0xfffffe0054007780 r13 0xfffffffffffffffd r14 0xffffffff827bfec0 .str.27 r15 0 rip 0xffffffff815fc43e kdb_enter+0x6e rflags 0x46 kdb_enter+0x6e: movq $0,0x25c2d57(%rip) db> show proc Process 8 (pagedaemon) at 0xfffffe0054002560: state: NORMAL uid: 0 gids: 0 parent: pid 0 at 0xffffffff83b496e0 ABI: null flag: 0x10000284 flag2: 0 reaper: 0xffffffff83b496e0 reapsubtree: 8 sigparent: 20 vmspace: 0xffffffff83b4a6c0 (map 0xffffffff83b4a6c0) (map.pmap 0xffffffff83b4a760) (pmap 0xffffffff83b4a7d0) threads: 3 100077 Run CPU 1 [dom0] 100081 D laundp 0xffffffff827c52a0 [laundry: dom0] 100082 RunQ [uma] db> ps pid ppid pgrp uid state wmesg wchan cmd 8217 2442 763 0 N syz-executor 8216 3009 763 0 N syz-executor 8215 2944 763 0 N syz-executor 8214 2853 763 0 N syz-executor 8213 2787 763 0 N syz-executor 8212 8212 0 0 N syz-executor 8211 2506 763 0 N syz-executor 8210 8210 0 0 N syz-executor 8209 8209 0 0 N syz-executor 8208 2530 763 0 N syz-executor 8207 2502 763 0 N syz-executor 8206 2466 763 0 N syz-executor 8205 2436 763 0 N syz-executor 8204 2389 763 0 N syz-executor 8203 3031 763 0 N syz-executor 8202 3017 763 0 N syz-executor 8201 2996 763 0 N syz-executor 8200 2987 763 0 N syz-executor 8199 2982 763 0 N syz-executor 8198 2972 763 0 N syz-executor 8197 2932 763 0 N syz-executor 8196 2913 763 0 N syz-executor 8195 2916 763 0 N syz-executor 8194 2843 763 0 N syz-executor 8193 8193 0 0 N syz-executor 8192 8192 0 0 N syz-executor 8191 2815 763 0 N syz-executor 8190 2303 763 0 N syz-executor 8189 2367 763 0 N syz-executor 8188 2710 763 0 N syz-executor 8187 2647 763 0 N syz-executor 8186 2094 763 0 N syz-executor 8185 2078 763 0 N syz-executor 8184 1394 763 0 N syz-executor 8183 2055 763 0 N syz-executor 8182 1994 763 0 N syz-executor 8181 1872 763 0 N syz-executor 8180 1792 763 0 N syz-executor 8179 1785 763 0 N syz-executor 8178 1396 763 0 N syz-executor 8177 1997 763 0 N syz-executor 8176 1161 763 0 N syz-executor 8175 3258 763 0 N syz-executor 8174 3191 763 0 N syz-executor 8173 3041 763 0 N syz-executor 8172 2757 763 0 N syz-executor 8171 2742 763 0 N syz-executor 8170 2731 763 0 N syz-executor 8169 2717 763 0 N syz-executor 8168 2679 763 0 N syz-executor 8167 2653 763 0 N syz-executor 8166 2652 763 0 N syz-executor 8165 2598 763 0 N syz-executor 8164 2582 763 0 N syz-executor 8163 2585 763 0 N syz-executor 8162 2797 763 0 N syz-executor 8161 2904 763 0 N syz-executor 8160 3003 763 0 N syz-executor 8159 2365 763 0 N syz-executor 8158 2493 763 0 N syz-executor 8157 2416 763 0 N syz-executor 8156 2381 763 0 N syz-executor 8155 8155 0 0 N syz-executor 8154 8154 0 0 N syz-executor 8153 8153 0 0 N syz-executor 8152 8152 0 0 N syz-executor 8151 1410 763 0 N syz-executor 8150 2050 763 0 N syz-executor 8149 3037 763 0 N syz-executor 8148 1973 763 0 N syz-executor 8147 1791 763 0 N syz-executor 8146 1957 763 0 N syz-executor 8145 2011 763 0 N syz-executor 8144 1801 763 0 N syz-executor 8143 3260 763 0 N syz-executor 8142 3197 763 0 N syz-executor 8141 3043 763 0 N syz-executor 8140 2839 763 0 N syz-executor 8139 2746 763 0 N syz-executor 8138 2736 763 0 N syz-executor 8137 2727 763 0 N syz-executor 8136 2681 763 0 N syz-executor 8135 2669 763 0 N syz-executor 8134 2604 763 0 N syz-executor 8133 2662 763 0 N syz-executor 8132 2600 763 0 N syz-executor 8131 2613 763 0 N syz-executor 8130 2589 763 0 N syz-executor 8129 2581 763 0 N syz-executor 8128 2896 763 0 N syz-executor 8127 2960 763 0 N syz-executor 8126 3011 763 0 N syz-executor 8125 2408 763 0 N syz-executor 8124 2422 763 0 N syz-executor 8123 2402 763 0 N syz-executor 8122 2357 763 0 N syz-executor 8121 2946 763 0 N syz-executor 8120 2343 763 0 N syz-executor 8119 2888 763 0 N syz-executor 8118 2037 763 0 N syz-executor 8117 3284 763 0 N syz-executor 8116 3280 763 0 N syz-executor 8115 3276 763 0 N syz-executor 8114 3274 763 0 N syz-executor 8113 2881 763 0 N syz-executor 8112 2323 763 0 N syz-executor 8111 2859 763 0 N syz-executor 8110 2313 763 0 N syz-executor 8109 2299 763 0 N syz-executor 8108 2289 763 0 N syz-executor 8107 2768 763 0 N syz-executor 8106 2279 763 0 N syz-executor 8105 2752 763 0 N syz-executor 8104 2268 763 0 N syz-executor 8103 2259 763 0 N syz-executor 8102 2744 763 0 N syz-executor 8101 2740 763 0 N syz-executor 8100 2734 763 0 N syz-executor 8099 2728 763 0 N syz-executor 8098 3189 763 0 N syz-executor 8097 2682 763 0 N syz-executor 8096 2680 763 0 N syz-executor 8095 2677 763 0 N syz-executor 8094 2675 763 0 N syz-executor 8093 2667 763 0 N syz-executor 8092 2645 763 0 N syz-executor 8091 2664 763 0 N syz-executor 8090 3146 763 0 N syz-executor 8089 2602 763 0 N syz-executor 8088 2623 763 0 N syz-executor 8087 2596 763 0 N syz-executor 8086 2591 763 0 N syz-executor 8085 2590 763 0 N syz-executor 8084 2587 763 0 N syz-executor 8083 2584 763 0 N syz-executor 8082 2579 763 0 N syz-executor 8081 2855 763 0 N syz-executor 8080 2902 763 0 N syz-executor 8079 2958 763 0 N syz-executor 8078 2968 763 0 N syz-executor 8077 2361 763 0 N syz-executor 8076 3013 763 0 N syz-executor 8075 2404 763 0 N syz-executor 8074 2412 763 0 N syz-executor 8073 2514 763 0 N syz-executor 8072 2446 763 0 N syz-executor 8071 3021 763 0 N syz-executor 8070 2393 763 0 N syz-executor 8069 2394 763 0 N syz-executor 8068 2956 763 0 N syz-executor 8067 2948 763 0 N syz-executor 8066 2347 763 0 N syz-executor 8065 2940 763 0 N syz-executor 8064 2901 763 0 N syz-executor 8063 2950 763 0 N syz-executor 8062 2890 763 0 N syz-executor 8061 2942 763 0 N syz-executor 8060 2329 763 0 N syz-executor 8059 2895 763 0 N syz-executor 8058 2882 763 0 N syz-executor 8057 2885 763 0 N syz-executor 8056 2879 763 0 N syz-executor 8055 2875 763 0 N syz-executor 8054 2872 763 0 N syz-executor 8053 2865 763 0 N syz-executor 8052 2867 763 0 N syz-executor 8051 2321 763 0 N syz-executor 8050 2863 763 0 N syz-executor 8049 2793 763 0 N syz-executor 8048 2857 763 0 N syz-executor 8047 2293 763 0 N syz-executor 8046 2799 763 0 N syz-executor 8045 2285 763 0 N syz-executor 8044 2300 763 0 N syz-executor 8043 2283 763 0 N syz-executor 8042 2789 763 0 N syz-executor 8041 2764 763 0 N syz-executor 8040 2297 763 0 N syz-executor 8039 2291 763 0 N syz-executor 8038 2287 763 0 N syz-executor 8037 2750 763 0 N syz-executor 8036 2775 763 0 N syz-executor 8035 2271 763 0 N syz-executor 8034 2770 763 0 N syz-executor 8033 2265 763 0 N syz-executor 8032 2763 763 0 N syz-executor 8031 2277 763 0 N syz-executor 8030 2759 763 0 N syz-executor 8029 2732 763 0 N syz-executor 8028 2261 763 0 N syz-executor 8027 2754 763 0 N syz-executor 8026 2257 763 0 N syz-executor 8025 3282 763 0 N syz-executor 8024 3278 763 0 N syz-executor 8023 3270 763 0 N syz-executor 8022 3272 763 0 N syz-executor 8021 3266 763 0 N syz-executor 802serialport: VM disconnected.