uvm_fault(0xffffffff825565d0, 0xfffffd802e036be0, 0, 4) -> e kernel: page fault trap, code=0 Stopped at 0xfffffd802e036be0: stosb %es:(%rdi) ddb> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic kernel page fault uvm_fault(0xffffffff825565d0, 0xfffffd802e036be0, 0, 4) -> e fffffd802e036be0(b,ffff800015128918,83,ffff8000151289b8,0,b) at 0xfffffd802e036be0 end trace frame: 0xffff800015128a10, count: 0 ddb> trace fffffd802e036be0(b,ffff800015128918,83,ffff8000151289b8,0,b) at 0xfffffd802e036be0 rt_match(fffffd8036fffa58,0,1,0) at rt_match+0xbe rt_clone sys/net/route.c:266 [inline] rt_match(fffffd8036fffa58,0,1,0) at rt_match+0xbe sys/net/route.c:242 in_pcbselsrc(ffff800015128a90,fffffd802ef9ea20,fffffd8036fff9d8) at in_pcbselsrc+0x219 sys/netinet/in_pcb.c:934 in_pcbconnect(fffffd8036fff9d8,fffffd802ef9ea00) at in_pcbconnect+0x107 sys/netinet/in_pcb.c:492 tcp_usrreq(fffffd80363f4a88,4,0,fffffd802ef9ea00,0,ffff8000ffff38c8) at tcp_usrreq+0xada sys/netinet/tcp_usrreq.c:228 sys_connect(ffff8000ffff38c8,ffff800015128c38,ffff800015128c80) at sys_connect+0x3df sys/kern/uipc_syscalls.c:388 syscall(ffff800015128d00) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall(6,0,fffffffffffffed2,0,3,82752a52010) at Xsyscall+0x128 end of kernel end trace frame: 0x82a384bd3f0, count: -8 ddb> show registers rdi 0xffff800000aae000 rsi 0xb rbp 0xffff800015128900 rbx 0xfffffd802dffd7e8 rdx 0xfffffd802dffd7e8 rcx 0xffff8000173a0000 rax 0xffff8000173a0000 r8 0x100 r9 0x7 r10 0xf408c761408ccf46 r11 0xfffffd802e036be0 r12 0xfffffd802dffd7e8 r13 0xffff800015128918 r14 0xffff8000151289b8 r15 0xffff800000025810 rip 0xfffffd802e036be0 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800015128808 ss 0x10 0xfffffd802e036be0: stosb %es:(%rdi) ddb> show proc PROC (syz-executor.0) pid=439116 stat=onproc flags process=0 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff33d8,0xffffffff82583120 process=0xffff8000ffff70f0 user=0xffff800015123000, vmspace=0xfffffd803f013990 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 45851 42590 17097 0 2 0 syz-executor.0 *45851 439116 17097 0 7 0x4000000 syz-executor.0 71244 423524 13662 0 2 0 syz-executor.1 71244 1355 13662 0 3 0x4000080 ttyout syz-executor.1 71244 430693 13662 0 3 0x4000080 ttyout syz-executor.1 17097 257721 16811 0 3 0x82 nanosleep syz-executor.0 13662 351934 16811 0 3 0x82 nanosleep syz-executor.1 25780 295160 0 0 3 0x14200 bored sosplice 16811 360689 8425 0 3 0x82 thrsleep syz-fuzzer 16811 156376 8425 0 3 0x4000082 thrsleep syz-fuzzer 16811 400439 8425 0 3 0x4000082 thrsleep syz-fuzzer 16811 497623 8425 0 3 0x4000082 thrsleep syz-fuzzer 16811 9406 8425 0 3 0x4000082 kqread syz-fuzzer 16811 474651 8425 0 3 0x4000082 thrsleep syz-fuzzer 16811 322213 8425 0 3 0x4000082 thrsleep syz-fuzzer 16811 321880 8425 0 3 0x4000082 thrsleep syz-fuzzer 8425 225330 26847 0 3 0x10008a pause ksh 26847 180404 59634 0 3 0x92 select sshd 21982 245731 1 0 3 0x100083 ttyin getty 59634 168313 1 0 3 0x80 select sshd 32549 511402 15907 73 2 0x100090 syslogd 15907 184908 1 0 3 0x100082 netio syslogd 83485 423927 1 77 3 0x100090 poll dhclient 94761 84000 1 0 3 0x80 poll dhclient 71895 104130 0 0 2 0x14200 zerothread 89204 366685 0 0 3 0x14200 aiodoned aiodoned 3815 130784 0 0 3 0x14200 syncer update 5949 445368 0 0 3 0x14200 cleaner cleaner 4290 287180 0 0 3 0x14200 reaper reaper 45019 471557 0 0 3 0x14200 pgdaemon pagedaemon 27236 255962 0 0 3 0x14200 bored crynlk 92352 318303 0 0 3 0x14200 bored crypto 57953 288653 0 0 3 0x40014200 acpi0 acpi0 60958 163895 0 0 3 0x14200 bored softnet 83029 427045 0 0 3 0x14200 bored systqmp 73023 86018 0 0 3 0x14200 bored systq 58957 44664 0 0 3 0x40014200 bored softclock 85215 473897 0 0 3 0x40014200 idle0 96972 504079 0 0 3 0x14200 bored smr 1 306838 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim Kern Lim devbuf 9578 7068K 9704K 78643K 23796 0 0 pcb 13 8K 9K 78643K 543 0 0 rtable 110 12K 14K 78643K 1794 0 0 ifaddr 86 17K 18K 78643K 456 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 156 0 0 iov 0 0K 24K 78643K 557 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1249 78K 79K 78643K 5000 0 0 UFS quota 1 32K 32K 78643K 1 0 0 UFS mount 5 36K 36K 78643K 5 0 0 shm 2 1K 5K 78643K 35 0 0 VM map 18 4K 4K 78643K 30 0 0 sem 12 0K 1K 78643K 452 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12645 0 0 file desc 6 17K 25K 78643K 2367 0 0 sigio 0 0K 0K 78643K 39 0 0 proc 49 38K 55K 78643K 981 0 0 subproc 32 2K 2K 78643K 225 0 0 NFS srvsock 1 0K 0K 78643K 1 0 0 NFS daemon 1 16K 16K 78643K 1 0 0 ip_moptions 0 0K 0K 78643K 213 0 0 in_multi 24 1K 2K 78643K 254 0 0 ether_multi 1 0K 0K 78643K 29 0 0 mrt 0 0K 0K 78643K 30 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 78 344K 344K 78643K 78 0 0 exec 0 0K 1K 78643K 581 0 0 pagedep 1 8K 8K 78643K 1 0 0 inodedep 1 32K 32K 78643K 1 0 0 newblk 1 0K 0K 78643K 1 0 0 VM swap 7 26K 26K 78643K 7 0 0 UVM amap 145 153K 155K 78643K 6765 0 0 UVM aobj 130 4K 4K 78643K 139 0 0 memdesc 1 4K 4K 78643K 1 0 0 crypto data 1 1K 1K 78643K 1 0 0 ip6_options 0 0K 1K 78643K 584 0 0 NDP 21 0K 0K 78643K 143 0 0 temp 233 3541K 4180K 78643K 76488 0 0 kqueue 0 0K 0K 78643K 32 0 0 SYN cache 2 16K 16K 78643K 2 0 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 76 0 71 1 0 1 1 0 8 0 rtpcb 80 254 0 252 1 0 1 1 0 8 0 rtentry 112 307 0 268 2 0 2 2 0 8 0 unpcb 120 1135 0 1124 2 1 1 2 0 8 0 syncache 264 22 0 22 10 10 0 1 0 8 0 sackhl 24 1 0 1 1 1 0 1 0 8 0 tcpqe 32 258 0 258 4 4 0 1 0 8 0 tcpcb 544 2245 0 2240 7 6 1 2 0 8 0 ipq 40 20 0 20 9 9 0 1 0 8 0 ipqe 40 560 0 560 9 9 0 1 0 8 0 inpcb 280 4052 0 4043 9 7 2 4 0 8 1 rttmr 72 11 0 10 5 4 1 1 0 8 0 nd6 48 30 0 28 3 2 1 1 0 8 0 pkpcb 40 21 0 21 5 4 1 1 0 8 1 ppxss 1128 50 0 50 8 7 1 1 0 8 1 art_heap8 4096 7 0 6 4 3 1 3 0 8 0 art_heap4 256 1225 0 1017 28 15 13 17 0 8 0 art_table 32 1232 0 1023 3 1 2 3 0 8 0 art_node 16 304 0 268 1 0 1 1 0 8 0 sysvmsgpl 40 14 0 6 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 450 0 440 1 0 1 1 0 8 0 shmpl 112 137 0 9 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 5110 0 3710 46 0 46 46 0 8 0 ffsino 240 5110 0 3710 83 0 83 83 0 8 0 nchpl 144 8911 0 7307 61 0 61 61 0 8 0 uvmvnodes 72 6163 0 0 113 0 113 113 0 8 0 vnodes 208 6163 0 0 325 0 325 325 0 8 0 namei 1024 30911 0 30911 2 1 1 1 0 8 1 vcpupl 1984 16 0 0 2 0 2 2 0 8 0 vmpool 520 28 0 12 2 0 2 2 0 8 0 scsiplug 64 4 0 4 3 2 1 1 0 8 1 scxspl 192 30470 0 30470 24 23 1 7 0 8 1 plimitpl 152 192 0 185 1 0 1 1 0 8 0 sigapl 432 2505 0 2491 2 0 2 2 0 8 0 futexpl 56 65161 0 65161 2 1 1 1 0 8 1 knotepl 112 713 0 694 4 3 1 3 0 8 0 kqueuepl 104 733 0 731 1 0 1 1 0 8 0 pipepl 112 1574 0 1553 6 5 1 2 0 8 0 fdescpl 424 2506 0 2491 2 0 2 2 0 8 0 filepl 120 22222 0 22119 14 10 4 6 0 8 0 lockfpl 104 977 0 975 1 0 1 1 0 8 0 lockfspl 48 340 0 338 1 0 1 1 0 8 0 sessionpl 112 28 0 18 1 0 1 1 0 8 0 pgrppl 48 46 0 36 1 0 1 1 0 8 0 ucredpl 96 2929 0 2922 1 0 1 1 0 8 0 zombiepl 144 2492 0 2492 1 0 1 1 0 8 1 processpl 864 2522 0 2492 4 0 4 4 0 8 0 procpl 632 5426 0 5386 4 0 4 4 0 8 0 sosppl 128 43 0 43 6 5 1 1 0 8 1 sockpl 384 5493 0 5470 18 15 3 7 0 8 0 mcl64k 65536 714 0 714 67 66 1 65 0 8 1 mcl16k 16384 26 0 26 9 8 1 1 0 8 1 mcl12k 12288 54 0 54 6 5 1 1 0 8 1 mcl9k 9216 43 0 43 8 7 1 1 0 8 1 mcl8k 8192 102 0 102 2 1 1 1 0 8 1 mcl4k 4096 306 0 306 3 2 1 1 0 8 1 mcl2k2 2112 23 0 23 11 11 0 1 0 8 0 mcl2k 2048 71201 0 71160 17 11 6 16 0 8 0 mtagpl 80 129 0 123 3 2 1 1 0 8 0 mbufpl 256 141807 0 141712 133 125 8 39 0 8 0 bufpl 256 17404 0 11240 386 0 386 386 0 8 0 anonpl 16 333335 0 314962 148 58 90 93 0 62 10 amapchunkpl 152 13131 0 12957 42 25 17 17 0 158 9 amappl16 192 16844 0 15784 170 109 61 66 0 8 8 amappl15 184 688 0 687 1 0 1 1 0 8 0 amappl14 176 451 0 445 1 0 1 1 0 8 0 amappl13 168 2 0 2 2 2 0 1 0 8 0 amappl12 160 158 0 153 1 0 1 1 0 8 0 amappl11 152 77 0 66 1 0 1 1 0 8 0 amappl10 144 651 0 648 1 0 1 1 0 8 0 amappl9 136 813 0 807 1 0 1 1 0 8 0 amappl8 128 392 0 350 2 0 2 2 0 8 0 amappl7 120 708 0 703 1 0 1 1 0 8 0 amappl6 112 87 0 74 1 0 1 1 0 8 0 amappl5 104 366 0 354 1 0 1 1 0 8 0 amappl4 96 2618 0 2592 1 0 1 1 0 8 0 amappl3 88 647 0 638 1 0 1 1 0 8 0 amappl2 80 18823 0 18744 3 1 2 3 0 8 0 amappl1 72 54882 0 54450 26 16 10 20 0 8 0 amappl 80 5885 0 5829 2 0 2 2 0 84 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma128 128 253 0 253 1 1 0 1 0 8 0 dma64 64 6 0 6 1 1 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 17 0 17 1 1 0 1 0 8 0 aobjpl 64 138 0 9 3 0 3 3 0 8 0 uaddrrnd 24 2534 0 2491 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2534 0 2491 1 0 1 1 0 8 0 vmmpekpl 168 19308 0 19273 2 0 2 2 0 8 0 vmmpepl 168 309585 0 307274 257 126 131 137 0 357 27 vmsppl 272 2505 0 2491 2 1 1 2 0 8 0 pdppl 4096 5074 0 5022 9 2 7 7 0 8 0 pvpl 32 804871 0 783907 314 105 209 216 0 265 30 pmappl 200 2533 0 2503 2 0 2 2 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 757 0 243 17 1 16 17 0 8 0