uvm_fault(0xffffffff82252fe0, 0xffff8000009df000, 0, 1) -> e kernel: page fault trap, code=0 Stopped at strlcpy+0xcf: movzbl 0xffffffffffffffff(%rbx),%r15d ddb> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic kernel page fault uvm_fault(0xffffffff82252fe0, 0xffff8000009df000, 0, 1) -> e strlcpy(ffff80000098cad0,ffff8000009deeb2,20) at strlcpy+0xcf sys/lib/libkern/strlcpy.c:44 end trace frame: 0xffff8000149f3e50, count: 0 ddb> trace strlcpy(ffff80000098cad0,ffff8000009deeb2,20) at strlcpy+0xcf sys/lib/libkern/strlcpy.c:44 rtlabel_name2id(ffff8000009deeb2) at rtlabel_name2id+0x13d sys/net/route.c:1541 rtrequest(1,ffff8000149f4000,38,ffff8000149f3f78,0) at rtrequest+0x5eb sys/net/route.c:880 rtm_output(ffff8000009dee00,ffff8000149f40a8,ffff8000149f4000,38,0) at rtm_output+0x6e5 sys/net/rtsock.c:896 route_output(fffffd80388c9600,fffffd80363fcc08,0,0) at route_output+0x7d7 sys/net/rtsock.c:814 route_usrreq(fffffd80363fcc08,9,fffffd80388c9600,0,0,ffff800014901ea8) at route_usrreq+0x363 sys/net/rtsock.c:271 sosend(fffffd80363fcc08,0,ffff8000149f42a0,0,0,80) at sosend+0x660 sys/kern/uipc_socket.c:513 sendit(ffff800014901ea8,3,ffff8000149f4380,0,ffff8000149f4480) at sendit+0x53f sys/kern/uipc_syscalls.c:662 sys_sendto(ffff800014901ea8,ffff8000149f4418,ffff8000149f4480) at sys_sendto+0x80 sys/kern/uipc_syscalls.c:527 syscall(ffff8000149f44e0) at syscall+0x508 Xsyscall(6,0,ffffffffffffffd8,0,6,479c4c50010) at Xsyscall+0x128 end of kernel end trace frame: 0x47bf34de310, count: -11 ddb> show registers rdi 0xffffffff8147a4c5 strlcpy+0xc5 rsi 0x3cf rbp 0xffff8000149f3e00 rbx 0xffff8000009df001 rdx 0x3d0 rcx 0xffff8000149fd000 rax 0xffff8000149fd000 r8 0x38 r9 0x5 r10 0xa88d30b131fac2d3 r11 0x1170f3527dbacdc0 r12 0 r13 0x4d r14 0xffff8000009deeb2 r15 0xdb rip 0xffffffff8147a4cf strlcpy+0xcf cs 0x8 rflags 0x10282 __ALIGN_SIZE+0xf282 rsp 0xffff8000149f3db0 ss 0x10 strlcpy+0xcf: movzbl 0xffffffffffffffff(%rbx),%r15d ddb> show proc PROC (syz-executor.0) pid=417346 stat=onproc flags process=0 proc=4000000 pri=71, usrpri=71, nice=20 forw=0xffffffffffffffff, list=0xffff800014902388,0xffff800014901768 process=0xffff8000ffffb3c0 user=0xffff8000149ef000, vmspace=0xfffffd803f014ee0 estcpu=21, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 70377 196429 95387 0 2 0 syz-executor.1 70377 320282 95387 0 2 0x4000000 syz-executor.1 94913 433023 31626 0 2 0 syz-executor.0 *94913 417346 31626 0 7 0x4000000 syz-executor.0 19146 76526 0 0 3 0x14200 bored sosplice 31626 5838 71185 0 3 0x82 nanosleep syz-executor.0 95387 90617 71185 0 2 0x482 syz-executor.1 71185 31416 84369 0 3 0x82 thrsleep syz-fuzzer 71185 41907 84369 0 3 0x4000082 thrsleep syz-fuzzer 71185 169669 84369 0 3 0x4000082 thrsleep syz-fuzzer 71185 388320 84369 0 3 0x4000082 thrsleep syz-fuzzer 71185 331246 84369 0 3 0x4000082 thrsleep syz-fuzzer 71185 182342 84369 0 3 0x4000082 kqread syz-fuzzer 71185 400573 84369 0 3 0x4000082 thrsleep syz-fuzzer 84369 375609 20061 0 3 0x10008a pause ksh 20061 257313 21362 0 3 0x92 select sshd 85538 386152 1 0 3 0x100083 ttyin getty 21362 164987 1 0 3 0x80 select sshd 26254 474488 94217 73 2 0x100090 syslogd 94217 8690 1 0 3 0x100082 netio syslogd 51236 58448 1 77 3 0x100090 poll dhclient 14703 437181 1 0 3 0x80 poll dhclient 80607 115743 0 0 2 0x14200 zerothread 24294 391679 0 0 3 0x14200 aiodoned aiodoned 69424 227957 0 0 3 0x14200 syncer update 43802 99399 0 0 3 0x14200 cleaner cleaner 23789 239840 0 0 3 0x14200 reaper reaper 8790 20528 0 0 3 0x14200 pgdaemon pagedaemon 91068 123102 0 0 3 0x14200 bored crynlk 86086 351770 0 0 3 0x14200 bored crypto 60856 26201 0 0 3 0x40014200 acpi0 acpi0 88611 361243 0 0 3 0x14200 bored softnet 92967 505449 0 0 3 0x14200 bored systqmp 18690 142754 0 0 3 0x14200 bored systq 34538 224725 0 0 3 0x40014200 bored softclock 86218 498790 0 0 3 0x40014200 idle0 22673 359859 0 0 3 0x14200 bored smr 1 116054 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 9479 6348K 6863K 78643K 11930 0 0 pcb 24 9K 10K 78643K 338 0 0 rtable 120 5K 5K 78643K 279 0 0 ifaddr 49 11K 12K 78643K 72 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 45 0 0 iov 0 0K 24K 78643K 74 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1204 76K 76K 78643K 1750 0 0 UFS quota 1 32K 32K 78643K 1 0 0 UFS mount 5 36K 36K 78643K 5 0 0 shm 2 1K 9K 78643K 11 0 0 VM map 2 0K 0K 78643K 2 0 0 sem 12 0K 0K 78643K 50 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12537 0 0 file desc 6 17K 25K 78643K 686 0 0 sigio 0 0K 0K 78643K 10 0 0 proc 42 30K 46K 78643K 331 0 0 subproc 32 2K 2K 78643K 34 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 73 0 0 in_multi 33 2K 2K 78643K 80 0 0 ether_multi 1 0K 0K 78643K 5 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 60 265K 265K 78643K 60 0 0 exec 0 0K 1K 78643K 228 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 79 20K 30K 78643K 2396 0 0 UVM aobj 44 2K 2K 78643K 48 0 0 memdesc 1 4K 4K 78643K 1 0 0 crypto data 1 1K 1K 78643K 1 0 0 ip6_options 0 0K 0K 78643K 37 0 0 NDP 9 0K 0K 78643K 19 0 0 temp 150 2715K 2781K 78643K 4947 0 0 kqueue 0 0K 0K 78643K 8 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 6 0 0 1 0 1 1 0 8 0 inpcbpl 280 326 0 319 1 0 1 1 0 8 0 rtentry 112 50 0 3 2 0 2 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpcb 544 152 0 148 1 0 1 1 0 8 0 nd6 48 6 0 0 1 0 1 1 0 8 0 ppxss 1128 4 0 4 3 2 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 188 0 0 12 0 12 12 0 8 0 art_table 32 189 0 0 2 0 2 2 0 8 0 art_node 16 46 0 6 1 0 1 1 0 8 0 sysvmsgpl 40 22 0 12 1 0 1 1 0 8 0 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 112 46 0 36 1 0 1 1 0 8 0 shmpl 112 46 0 4 2 0 2 2 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 2491 0 1080 46 0 46 46 0 8 0 ffsino 240 2491 0 1080 84 0 84 84 0 8 0 nchpl 144 3626 0 1993 61 0 61 61 0 8 0 uvmvnodes 72 2875 0 0 53 0 53 53 0 8 0 vnodes 200 2875 0 0 152 0 152 152 0 8 0 namei 1024 10433 0 10432 2 1 1 1 0 8 0 scxspl 192 10186 0 10186 12 11 1 6 0 8 1 plimitpl 152 38 0 31 1 0 1 1 0 8 0 sigapl 432 857 0 843 2 0 2 2 0 8 0 futexpl 56 10466 0 10466 1 0 1 1 0 8 1 knotepl 112 147 0 128 2 1 1 2 0 8 0 kqueuepl 104 147 0 145 1 0 1 1 0 8 0 pipepl 112 522 0 503 4 3 1 2 0 8 0 fdescpl 424 858 0 843 2 0 2 2 0 8 0 filepl 120 4764 0 4669 6 2 4 5 0 8 1 lockfpl 104 223 0 223 2 1 1 1 0 8 1 lockfspl 48 77 0 77 2 1 1 1 0 8 1 sessionpl 112 17 0 7 1 0 1 1 0 8 0 pgrppl 48 23 0 13 1 0 1 1 0 8 0 ucredpl 96 872 0 865 1 0 1 1 0 8 0 zombiepl 144 843 0 843 2 1 1 1 0 8 1 processpl 840 873 0 843 4 0 4 4 0 8 0 procpl 624 1701 0 1663 4 0 4 4 0 8 1 sosppl 128 4 0 4 2 2 0 1 0 8 0 sockpl 384 615 0 597 3 0 3 3 0 8 1 mcl64k 65536 258 0 258 29 15 14 29 0 8 14 mcl12k 12288 7 0 7 2 1 1 1 0 8 1 mcl9k 9216 13 0 13 2 1 1 1 0 8 1 mcl8k 8192 16 0 16 2 1 1 1 0 8 1 mcl4k 4096 26 0 26 2 1 1 1 0 8 1 mcl2k2 2112 11 0 11 3 2 1 1 0 8 1 mcl2k 2048 55998 0 55955 13 7 6 10 0 8 0 mtagpl 80 2 0 2 1 1 0 1 0 8 0 mbufpl 256 94420 0 94345 24 14 10 20 0 8 1 bufpl 256 7111 0 2636 280 0 280 280 0 8 0 anonpl 16 81441 0 71197 62 4 58 58 0 62 16 amapchunkpl 152 3431 0 3328 12 6 6 11 0 158 1 amappl16 192 4429 0 3867 45 9 36 41 0 8 7 amappl14 176 36 0 33 2 1 1 1 0 8 0 amappl12 160 344 0 341 1 0 1 1 0 8 0 amappl11 152 51 0 37 1 0 1 1 0 8 0 amappl10 144 77 0 74 2 1 1 1 0 8 0 amappl9 136 533 0 529 1 0 1 1 0 8 0 amappl8 128 128 0 114 1 0 1 1 0 8 0 amappl7 120 33 0 28 1 0 1 1 0 8 0 amappl6 112 54 0 47 1 0 1 1 0 8 0 amappl5 104 499 0 488 1 0 1 1 0 8 0 amappl4 96 991 0 971 1 0 1 1 0 8 0 amappl3 88 193 0 183 1 0 1 1 0 8 0 amappl2 80 6084 0 6011 4 2 2 3 0 8 0 amappl1 72 23735 0 23310 26 17 9 19 0 8 0 amappl 80 1933 0 1897 1 0 1 1 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 dma64 64 259 0 259 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 47 0 4 1 0 1 1 0 8 0 uaddrrnd 24 858 0 843 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 858 0 843 1 0 1 1 0 8 0 vmmpekpl 168 9446 0 9419 2 0 2 2 0 8 0 vmmpepl 168 92850 0 91244 123 42 81 100 0 357 11 vmsppl 272 857 0 843 2 1 1 2 0 8 0 pdppl 4096 1722 0 1686 6 1 5 6 0 8 0 pvpl 32 244727 0 231430 154 13 141 144 0 265 33 pmappl 200 857 0 843 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 467 0 43 13 0 13 13 0 8 0