uvm_fault(0xffffffff825216a8, 0xffff800000ae6000, 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(0xffffffff825216a8, 0xffff800000ae6000, 0, 1) -> e strlcpy(ffff800000a88650,ffff800000ae5ee2,20) at strlcpy+0xcf sys/lib/libkern/strlcpy.c:44 end trace frame: 0xffff800015524920, count: 0 ddb> trace strlcpy(ffff800000a88650,ffff800000ae5ee2,20) at strlcpy+0xcf sys/lib/libkern/strlcpy.c:44 rtlabel_name2id(ffff800000ae5ee2) at rtlabel_name2id+0x13d sys/net/route.c:1614 rtrequest(1,ffff800015524ad8,0,ffff800015524a48,0) at rtrequest+0x653 sys/net/route.c:893 rtm_output(ffff800000ae5e00,ffff800015524b80,ffff800015524ad8,0,0) at rtm_output+0x62f sys/net/rtsock.c:901 route_output(fffffd80345a7500,fffffd803c48f4b8,0,0) at route_output+0x7d9 sys/net/rtsock.c:819 route_usrreq(fffffd803c48f4b8,9,fffffd80345a7500,0,0,ffff800014914ee8) at route_usrreq+0x363 sys/net/rtsock.c:275 sosend(fffffd803c48f4b8,0,ffff800015524d80,0,0,e983c9c0) at sosend+0x63d sys/kern/uipc_socket.c:524 sendit(ffff800014914ee8,6,ffff800015524e60,e983c940,ffff800015524f40) at sendit+0x52b sys/kern/uipc_syscalls.c:662 sys_sendto(ffff800014914ee8,ffff800015524ef8,ffff800015524f40) at sys_sendto+0x80 sys/kern/uipc_syscalls.c:527 syscall(ffff800015524fc0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall(6,0,ffffffffffffffd8,0,6,854940e0010) at Xsyscall+0x128 end of kernel end trace frame: 0x85707fcc710, count: -11 ddb> show registers rdi 0xffffffff81c15ad5 strlcpy+0xc5 rsi 0x38a rbp 0xffff8000155248d0 rbx 0xffff800000ae6001 rdx 0x38b rcx 0xffff800016940000 rax 0xffff800016940000 r8 0x38 r9 0x5 r10 0x3f4c667b236bc3bc r11 0xb8630a0f3454096d r12 0 r13 0xc7 r14 0xffff800000ae5ee2 r15 0xff rip 0xffffffff81c15adf strlcpy+0xcf cs 0x8 rflags 0x10282 __ALIGN_SIZE+0xf282 rsp 0xffff800015524880 ss 0x10 strlcpy+0xcf: movzbl 0xffffffffffffffff(%rbx),%r15d ddb> show proc PROC (syz-executor.1) pid=361808 stat=onproc flags process=0 proc=4000000 pri=79, usrpri=79, nice=20 forw=0xffffffffffffffff, list=0xffff800014914508,0xffffffff825a1378 process=0xffff8000ffff6a30 user=0xffff800015520000, vmspace=0xfffffd803f013bb0 estcpu=29, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 5512 278596 55665 0 2 0 syz-executor.1 * 5512 361808 55665 0 7 0x4000000 syz-executor.1 55665 342015 7032 0 3 0x82 nanosleep syz-executor.1 56577 327637 7032 0 3 0x82 nanosleep syz-executor.0 46017 211609 1 0 3 0x100083 ttyin getty 48824 201572 0 0 3 0x14200 bored sosplice 7032 5019 4299 0 3 0x82 thrsleep syz-fuzzer 7032 175668 4299 0 3 0x4000082 thrsleep syz-fuzzer 7032 284298 4299 0 3 0x4000082 thrsleep syz-fuzzer 7032 155389 4299 0 3 0x4000082 thrsleep syz-fuzzer 7032 106005 4299 0 3 0x4000082 thrsleep syz-fuzzer 7032 281025 4299 0 3 0x4000082 kqread syz-fuzzer 7032 310041 4299 0 3 0x4000082 thrsleep syz-fuzzer 7032 333706 4299 0 3 0x4000082 thrsleep syz-fuzzer 4299 41992 21457 0 3 0x10008a pause ksh 21457 67228 54468 0 3 0x92 select sshd 54468 156920 1 0 3 0x80 select sshd 60440 63456 76571 73 2 0x100090 syslogd 76571 294444 1 0 3 0x100082 netio syslogd 76461 374689 1 77 3 0x100090 poll dhclient 39466 154291 1 0 3 0x80 poll dhclient 22355 26524 0 0 2 0x14200 zerothread 18549 221274 0 0 3 0x14200 aiodoned aiodoned 4162 338082 0 0 3 0x14200 syncer update 7281 388896 0 0 3 0x14200 cleaner cleaner 21155 349742 0 0 3 0x14200 reaper reaper 44738 303249 0 0 3 0x14200 pgdaemon pagedaemon 26398 430704 0 0 3 0x14200 bored crynlk 18003 384435 0 0 3 0x14200 bored crypto 56549 450719 0 0 3 0x40014200 acpi0 acpi0 98168 516483 0 0 3 0x14200 bored softnet 87133 483144 0 0 3 0x14200 bored systqmp 37412 195215 0 0 3 0x14200 bored systq 3595 110597 0 0 3 0x40014200 bored softclock 86773 279532 0 0 3 0x40014200 idle0 60778 416840 0 0 3 0x14200 bored smr 1 158513 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 9539 6383K 7016K 78643K 17300 0 0 pcb 13 10K 12K 78643K 465 0 0 rtable 104 12K 12K 78643K 1288 0 0 ifaddr 65 15K 16K 78643K 410 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 123 0 0 iov 0 0K 24K 78643K 343 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1213 76K 77K 78643K 4025 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 54 0 0 VM map 2 0K 0K 78643K 8 0 0 sem 12 0K 1K 78643K 447 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12645 0 0 file desc 5 13K 25K 78643K 3208 0 0 sigio 0 0K 0K 78643K 70 0 0 proc 50 38K 63K 78643K 1116 0 0 subproc 32 2K 2K 78643K 238 0 0 NFS srvsock 1 0K 0K 78643K 1 0 0 NFS daemon 1 16K 16K 78643K 1 0 0 ip_moptions 4 0K 2K 78643K 6097 0 0 in_multi 22 1K 2K 78643K 232 0 0 ether_multi 1 0K 0K 78643K 8 0 0 mrt 1 0K 0K 78643K 9 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 90 397K 397K 78643K 90 0 0 exec 0 0K 1K 78643K 582 0 0 pfkey data 0 0K 4K 78643K 4 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 106 22K 39K 78643K 8552 0 0 UVM aobj 130 4K 4K 78643K 143 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 441 0 0 NDP 17 0K 0K 78643K 127 0 0 temp 191 3540K 3667K 78643K 72364 0 0 kqueue 0 0K 0K 78643K 18 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 37 0 33 1 0 1 1 0 8 0 rtpcb 80 189 0 185 1 0 1 1 0 8 0 rtentry 112 193 0 157 2 0 2 2 0 8 0 unpcb 120 1426 0 1411 1 0 1 1 0 8 0 syncache 264 10 0 10 4 4 0 1 0 8 0 tcpqe 32 5919 0 5919 1 1 0 1 0 8 0 tcpcb 544 1351 0 1347 31 29 2 15 0 8 1 ipq 40 5 0 5 3 2 1 1 0 8 1 ipqe 40 9 0 9 3 2 1 1 0 8 1 inpcb 280 5795 0 5785 21 19 2 9 0 8 1 rttmr 72 1 0 1 1 1 0 1 0 8 0 nd6 48 28 0 26 2 1 1 1 0 8 0 pkpcb 40 20 0 20 7 7 0 1 0 8 0 ppxss 1128 54 0 54 13 12 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 798 0 626 21 9 12 15 0 8 1 art_table 32 799 0 626 2 0 2 2 0 8 0 art_node 16 181 0 150 1 0 1 1 0 8 0 sysvmsgpl 40 30 0 15 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 445 0 435 1 0 1 1 0 8 0 shmpl 112 141 0 13 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 6256 0 4869 46 0 46 46 0 8 0 ffsino 240 6256 0 4869 83 0 83 83 0 8 0 nchpl 144 11985 0 10360 61 0 61 61 0 8 0 uvmvnodes 72 6217 0 0 114 0 114 114 0 8 0 vnodes 208 6217 0 0 328 0 328 328 0 8 0 namei 1024 38106 0 38106 3 2 1 1 0 8 1 vmpool 520 6 0 6 3 3 0 1 0 8 0 scsiplug 64 9 0 9 7 7 0 1 0 8 0 scxspl 192 32114 0 32114 27 25 2 7 0 8 2 plimitpl 152 263 0 256 1 0 1 1 0 8 0 sigapl 432 3344 0 3331 2 0 2 2 0 8 0 futexpl 56 73844 0 73844 2 1 1 1 0 8 1 knotepl 112 862 0 843 5 4 1 3 0 8 0 kqueuepl 104 1135 0 1133 7 6 1 4 0 8 0 pipepl 112 1888 0 1869 11 9 2 2 0 8 1 fdescpl 424 3345 0 3331 2 0 2 2 0 8 0 filepl 120 27900 0 27801 26 22 4 11 0 8 1 lockfpl 104 1118 0 1117 1 0 1 1 0 8 0 lockfspl 48 369 0 368 1 0 1 1 0 8 0 sessionpl 112 30 0 20 1 0 1 1 0 8 0 pgrppl 48 68 0 58 1 0 1 1 0 8 0 ucredpl 96 4638 0 4631 1 0 1 1 0 8 0 zombiepl 144 3332 0 3331 4 3 1 1 0 8 0 processpl 864 3361 0 3331 4 0 4 4 0 8 0 procpl 632 7297 0 7259 5 1 4 5 0 8 0 sosppl 128 39 0 39 9 8 1 1 0 8 1 sockpl 384 7512 0 7484 39 34 5 15 0 8 1 mcl64k 65536 613 0 613 41 41 0 33 0 8 0 mcl16k 16384 21 0 21 13 12 1 1 0 8 1 mcl12k 12288 58 0 58 10 9 1 1 0 8 1 mcl9k 9216 35 0 35 11 11 0 1 0 8 0 mcl8k 8192 69 0 69 11 10 1 1 0 8 1 mcl4k 4096 231 0 231 3 2 1 1 0 8 1 mcl2k2 2112 38 0 38 15 14 1 1 0 8 1 mcl2k 2048 62280 0 62237 23 17 6 14 0 8 0 mtagpl 80 154 0 154 4 3 1 1 0 8 1 mbufpl 256 124705 0 124590 39 29 10 23 0 8 0 bufpl 256 16952 0 10732 389 0 389 389 0 8 0 anonpl 16 309637 0 298120 149 85 64 81 0 62 0 amapchunkpl 152 15421 0 15304 46 40 6 15 0 158 0 amappl16 192 15687 0 14810 121 76 45 57 0 8 0 amappl15 184 270 0 270 2 2 0 1 0 8 0 amappl14 176 594 0 589 2 1 1 1 0 8 0 amappl13 168 1172 0 1171 1 0 1 1 0 8 0 amappl12 160 641 0 639 1 0 1 1 0 8 0 amappl11 152 505 0 493 1 0 1 1 0 8 0 amappl10 144 26 0 26 4 4 0 1 0 8 0 amappl9 136 967 0 961 1 0 1 1 0 8 0 amappl8 128 509 0 480 2 0 2 2 0 8 0 amappl7 120 88 0 81 1 0 1 1 0 8 0 amappl6 112 505 0 493 1 0 1 1 0 8 0 amappl5 104 883 0 873 1 0 1 1 0 8 0 amappl4 96 4047 0 4018 1 0 1 1 0 8 0 amappl3 88 436 0 431 1 0 1 1 0 8 0 amappl2 80 25842 0 25774 4 2 2 3 0 8 0 amappl1 72 69484 0 69076 28 19 9 20 0 8 0 amappl 80 7690 0 7651 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 64 142 0 13 3 0 3 3 0 8 0 uaddrrnd 24 3351 0 3331 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 3351 0 3331 1 0 1 1 0 8 0 vmmpekpl 168 22231 0 22203 2 0 2 2 0 8 0 vmmpepl 168 396290 0 394361 281 163 118 118 0 357 29 vmsppl 272 3344 0 3331 2 1 1 2 0 8 0 pdppl 4096 6708 0 6674 6 1 5 6 0 8 0 pvpl 32 935626 0 921031 383 185 198 226 0 265 47 pmappl 200 3350 0 3337 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 671 0 155 16 0 16 16 0 8 0