uvm_fault(0xffffffff822397e0, 0xffff800000a1e000, 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(0xffffffff822397e0, 0xffff800000a1e000, 0, 1) -> e strlcpy(ffff800000a16990,ffff800000a1dee2,20) at strlcpy+0xcf sys/lib/libkern/strlcpy.c:44 end trace frame: 0xffff800015a1e660, count: 0 ddb> trace strlcpy(ffff800000a16990,ffff800000a1dee2,20) at strlcpy+0xcf sys/lib/libkern/strlcpy.c:44 rtlabel_name2id(ffff800000a1dee2) at rtlabel_name2id+0x13d sys/net/route.c:1607 rtrequest(1,ffff800015a1e818,0,ffff800015a1e788,0) at rtrequest+0x64b sys/net/route.c:886 rtm_output(ffff800000a1de00,ffff800015a1e8c0,ffff800015a1e818,0,0) at rtm_output+0x6e1 sys/net/rtsock.c:896 route_output(fffffd8037e54800,fffffd803641ac08,0,0) at route_output+0x7d8 sys/net/rtsock.c:814 route_usrreq(fffffd803641ac08,9,fffffd8037e54800,0,0,ffff8000ffff2290) at route_usrreq+0x363 sys/net/rtsock.c:271 sosend(fffffd803641ac08,0,ffff800015a1eac0,0,0,80) at sosend+0x660 sys/kern/uipc_socket.c:513 sendit(ffff8000ffff2290,3,ffff800015a1eba0,0,ffff800015a1eca0) at sendit+0x53f sys/kern/uipc_syscalls.c:662 sys_sendto(ffff8000ffff2290,ffff800015a1ec38,ffff800015a1eca0) at sys_sendto+0x80 sys/kern/uipc_syscalls.c:527 syscall(ffff800015a1ed00) at syscall+0x508 Xsyscall(6,0,ffffffffffffffd8,0,6,2a377020010) at Xsyscall+0x128 end of kernel end trace frame: 0x2a5abc051c0, count: -11 ddb> show registers rdi 0xffffffff81b0ba35 strlcpy+0xc5 rsi 0x389 rbp 0xffff800015a1e610 rbx 0xffff800000a1e001 rdx 0x38a rcx 0xffff8000149ef000 rax 0xffff8000149ef000 r8 0x38 r9 0x5 r10 0xf8a058d3e85e9e7e r11 0x3286741212f13b6f r12 0 r13 0x27 r14 0xffff800000a1dee2 r15 0xdf rip 0xffffffff81b0ba3f strlcpy+0xcf cs 0x8 rflags 0x10282 __ALIGN_SIZE+0xf282 rsp 0xffff800015a1e5c0 ss 0x10 strlcpy+0xcf: movzbl 0xffffffffffffffff(%rbx),%r15d ddb> show proc PROC (syz-executor.0) pid=432491 stat=onproc flags process=0 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff38c8,0xffff8000ffff3170 process=0xffff8000ffff7b10 user=0xffff800015a19000, vmspace=0xfffffd803f014cc0 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 84869 312214 34242 0 2 0 syz-executor.0 *84869 432491 34242 0 7 0x4000000 syz-executor.0 13322 241255 7344 0 2 0 syz-executor.1 13322 138257 7344 0 3 0x4000080 bell syz-executor.1 13322 152777 7344 0 3 0x4000080 rest syz-executor.1 13322 238445 7344 0 3 0x4000080 rest syz-executor.1 26168 164107 1 0 3 0x100083 ttyin getty 28717 2550 0 0 3 0x14200 bored sosplice 34242 178536 52241 0 3 0x82 nanosleep syz-executor.0 7344 181705 52241 0 3 0x82 nanosleep syz-executor.1 52241 60420 23142 0 3 0x82 thrsleep syz-fuzzer 52241 403680 23142 0 3 0x4000082 thrsleep syz-fuzzer 52241 399837 23142 0 3 0x4000082 thrsleep syz-fuzzer 52241 385584 23142 0 3 0x4000082 thrsleep syz-fuzzer 52241 48056 23142 0 3 0x4000082 kqread syz-fuzzer 52241 476882 23142 0 3 0x4000082 thrsleep syz-fuzzer 52241 229643 23142 0 3 0x4000082 thrsleep syz-fuzzer 23142 496071 35511 0 3 0x10008a pause ksh 35511 246775 29016 0 3 0x92 select sshd 29016 301773 1 0 3 0x80 select sshd 81062 31005 52526 73 3 0x100090 kqread syslogd 52526 507129 1 0 3 0x100082 netio syslogd 79050 387614 1 77 3 0x100090 poll dhclient 29750 328196 1 0 3 0x80 poll dhclient 35908 357590 0 0 2 0x14200 zerothread 88860 118103 0 0 3 0x14200 aiodoned aiodoned 30266 126115 0 0 3 0x14200 syncer update 58190 344442 0 0 3 0x14200 cleaner cleaner 2421 298855 0 0 3 0x14200 reaper reaper 80717 4655 0 0 3 0x14200 pgdaemon pagedaemon 64205 38574 0 0 3 0x14200 bored crynlk 93981 485784 0 0 3 0x14200 bored crypto 73582 371056 0 0 3 0x40014200 acpi0 acpi0 30658 327870 0 0 3 0x14200 bored softnet 8505 314963 0 0 3 0x14200 bored systqmp 32928 71730 0 0 3 0x14200 bored systq 46914 184746 0 0 3 0x40014200 bored softclock 36777 508877 0 0 3 0x40014200 idle0 6549 81926 0 0 3 0x14200 bored smr 1 275889 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 9534 6373K 7388K 78643K 27203 0 0 pcb 24 9K 11K 78643K 2947 0 0 rtable 117 4K 4K 78643K 1313 0 0 ifaddr 66 17K 19K 78643K 671 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 303 0 0 iov 0 0K 32K 78643K 760 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1214 76K 77K 78643K 7142 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 79 0 0 VM map 2 0K 0K 78643K 2 0 0 sem 12 0K 1K 78643K 566 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12645 0 0 file desc 6 17K 25K 78643K 6108 0 0 sigio 0 0K 0K 78643K 112 0 0 proc 42 30K 54K 78643K 1018 0 0 subproc 32 2K 2K 78643K 38 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 509 0 0 in_multi 33 2K 2K 78643K 206 0 0 ether_multi 1 0K 0K 78643K 20 0 0 mrt 0 0K 0K 78643K 22 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 102 450K 450K 78643K 102 0 0 exec 0 0K 1K 78643K 731 0 0 pfkey data 0 0K 4K 78643K 2 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 93 21K 38K 78643K 15237 0 0 UVM aobj 130 4K 4K 78643K 152 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 260 0 0 NDP 14 0K 0K 78643K 178 0 0 temp 185 2719K 3359K 78643K 22274 0 0 kqueue 0 0K 0K 78643K 48 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 2373 0 2366 3 2 1 2 0 8 0 rtentry 112 48 0 2 2 0 2 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 88 0 88 1 1 0 1 0 8 0 tcpcb 544 877 0 873 1 0 1 1 0 8 0 nd6 48 6 0 0 1 0 1 1 0 8 0 swfcl 56 1 0 0 1 0 1 1 0 8 0 ppxss 1128 132 0 132 16 15 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 189 0 0 12 0 12 12 0 8 0 art_table 32 190 0 0 2 0 2 2 0 8 0 art_node 16 45 0 5 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 0 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 564 0 554 1 0 1 1 0 8 0 shmpl 112 150 0 22 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 11559 0 10051 49 0 49 49 0 8 0 ffsino 240 11559 0 10051 89 0 89 89 0 8 0 nchpl 144 20423 0 18789 61 0 61 61 0 8 0 uvmvnodes 72 6790 0 0 124 0 124 124 0 8 0 vnodes 200 6790 0 0 358 0 358 358 0 8 0 namei 1024 64181 0 64181 2 1 1 1 0 8 1 scsiplug 64 11 0 11 8 7 1 1 0 8 1 scxspl 192 64927 0 64927 42 41 1 6 0 8 1 plimitpl 152 415 0 408 1 0 1 1 0 8 0 sigapl 432 6284 0 6270 2 0 2 2 0 8 0 futexpl 56 101340 0 101340 2 1 1 1 0 8 1 knotepl 112 1271 0 1252 1 0 1 1 0 8 0 kqueuepl 104 1535 0 1533 1 0 1 1 0 8 0 pipepl 112 3540 0 3521 9 8 1 2 0 8 0 fdescpl 424 6285 0 6270 2 0 2 2 0 8 0 filepl 120 38210 0 38114 6 2 4 5 0 8 0 lockfpl 104 2078 0 2077 3 2 1 1 0 8 0 lockfspl 48 746 0 745 3 2 1 1 0 8 0 sessionpl 112 22 0 12 1 0 1 1 0 8 0 pgrppl 48 97 0 87 1 0 1 1 0 8 0 ucredpl 96 8476 0 8469 1 0 1 1 0 8 0 zombiepl 144 6270 0 6270 2 1 1 1 0 8 1 processpl 864 6300 0 6270 4 0 4 4 0 8 0 procpl 632 14243 0 14203 4 0 4 4 0 8 0 sosppl 128 82 0 82 17 17 0 1 0 8 0 sockpl 384 4928 0 4910 6 3 3 4 0 8 1 mcl64k 65536 417 0 417 47 47 0 32 0 8 0 mcl16k 16384 17 0 17 11 11 0 1 0 8 0 mcl12k 12288 98 0 98 16 15 1 1 0 8 1 mcl9k 9216 99 0 99 21 20 1 1 0 8 1 mcl8k 8192 98 0 98 18 18 0 1 0 8 0 mcl4k 4096 271 0 271 5 4 1 1 0 8 1 mcl2k2 2112 43 0 43 17 17 0 1 0 8 0 mcl2k 2048 61261 0 61209 26 19 7 16 0 8 0 mtagpl 80 14 0 10 5 4 1 1 0 8 0 mbufpl 256 126321 0 126251 27 21 6 20 0 8 0 bufpl 256 26060 0 19226 428 0 428 428 0 8 0 anonpl 16 557619 0 546261 244 184 60 63 0 62 13 amapchunkpl 152 27186 0 27079 89 84 5 18 0 158 0 amappl16 192 36848 0 36217 222 185 37 44 0 8 5 amappl15 184 5 0 5 5 5 0 1 0 8 0 amappl14 176 49 0 45 1 0 1 1 0 8 0 amappl13 168 2998 0 2996 1 0 1 1 0 8 0 amappl12 160 13 0 10 1 0 1 1 0 8 0 amappl11 152 53 0 41 1 0 1 1 0 8 0 amappl10 144 66 0 65 2 1 1 1 0 8 0 amappl9 136 550 0 547 1 0 1 1 0 8 0 amappl8 128 136 0 120 1 0 1 1 0 8 0 amappl7 120 30 0 26 1 0 1 1 0 8 0 amappl6 112 59 0 51 1 0 1 1 0 8 0 amappl5 104 179 0 168 1 0 1 1 0 8 0 amappl4 96 6581 0 6554 1 0 1 1 0 8 0 amappl3 88 389 0 379 1 0 1 1 0 8 0 amappl2 80 50037 0 49961 4 2 2 3 0 8 0 amappl1 72 120717 0 120276 26 17 9 19 0 8 0 amappl 80 14539 0 14501 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 64 151 0 22 3 0 3 3 0 8 0 uaddrrnd 24 6285 0 6270 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 6285 0 6270 1 0 1 1 0 8 0 vmmpekpl 168 40593 0 40569 2 0 2 2 0 8 0 vmmpepl 168 724183 0 722400 216 134 82 89 0 357 4 vmsppl 272 6284 0 6270 2 1 1 2 0 8 0 pdppl 4096 12576 0 12540 6 1 5 6 0 8 0 pvpl 32 1789193 0 1774704 521 338 183 230 0 265 63 pmappl 200 6284 0 6270 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 680 0 125 17 0 17 17 0 8 0