uvm_fault(0xffffffff8222d380, 0xffff800000a1a000, 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(0xffffffff8222d380, 0xffff800000a1a000, 0, 1) -> e strlcpy(ffff80000003c090,ffff800000a19eb2,20) at strlcpy+0xcf sys/lib/libkern/strlcpy.c:44 end trace frame: 0xffff8000149ac630, count: 0 ddb> trace strlcpy(ffff80000003c090,ffff800000a19eb2,20) at strlcpy+0xcf sys/lib/libkern/strlcpy.c:44 rtlabel_name2id(ffff800000a19eb2) at rtlabel_name2id+0x13d sys/net/route.c:1584 rtrequest(1,ffff8000149ac7e8,38,ffff8000149ac758,0) at rtrequest+0x64b sys/net/route.c:875 rtm_output(ffff800000a19e00,ffff8000149ac890,ffff8000149ac7e8,38,0) at rtm_output+0x6e5 sys/net/rtsock.c:896 route_output(fffffd8036bb2b00,fffffd8036fe0780,0,0) at route_output+0x7d8 sys/net/rtsock.c:814 route_usrreq(fffffd8036fe0780,9,fffffd8036bb2b00,0,0,ffff8000149019c8) at route_usrreq+0x363 sys/net/rtsock.c:271 sosend(fffffd8036fe0780,0,ffff8000149aca90,0,0,80) at sosend+0x660 sys/kern/uipc_socket.c:513 sendit(ffff8000149019c8,3,ffff8000149acb70,0,ffff8000149acc70) at sendit+0x53f sys/kern/uipc_syscalls.c:662 sys_sendto(ffff8000149019c8,ffff8000149acc08,ffff8000149acc70) at sys_sendto+0x80 sys/kern/uipc_syscalls.c:527 syscall(ffff8000149accd0) at syscall+0x508 Xsyscall(6,0,ffffffffffffffd8,0,6,3cac40f0010) at Xsyscall+0x128 end of kernel end trace frame: 0x3cd0a6b5ed0, count: -11 ddb> show registers rdi 0xffffffff81763cd5 strlcpy+0xc5 rsi 0x3b8 rbp 0xffff8000149ac5e0 rbx 0xffff800000a1a001 rdx 0x3b9 rcx 0xffff8000149c1000 rax 0xffff8000149c1000 r8 0x38 r9 0x5 r10 0x4bb5c37ca977f949 r11 0x1aa04f0021e4d7e0 r12 0 r13 0x4d r14 0xffff800000a19eb2 r15 0xff rip 0xffffffff81763cdf strlcpy+0xcf cs 0x8 rflags 0x10282 __ALIGN_SIZE+0xf282 rsp 0xffff8000149ac590 ss 0x10 strlcpy+0xcf: movzbl 0xffffffffffffffff(%rbx),%r15d ddb> show proc PROC (syz-executor.1) pid=237316 stat=onproc flags process=0 proc=4000000 pri=78, usrpri=78, nice=20 forw=0xffffffffffffffff, list=0xffff8000149025f8,0xffffffff822aa4b0 process=0xffff8000ffffa360 user=0xffff8000149a7000, vmspace=0xfffffd803f014cc0 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 60982 322971 17718 0 2 0 syz-executor.1 *60982 237316 17718 0 7 0x4000000 syz-executor.1 17718 401521 82810 0 3 0x82 nanosleep syz-executor.1 93873 481110 1 0 3 0x100083 ttyopn getty 93798 381224 0 0 3 0x14200 bored sosplice 69360 221830 82810 0 2 0x2 syz-executor.0 82810 493434 46510 0 3 0x82 thrsleep syz-fuzzer 82810 354104 46510 0 3 0x4000082 nanosleep syz-fuzzer 82810 83377 46510 0 3 0x4000082 thrsleep syz-fuzzer 82810 43358 46510 0 3 0x4000082 thrsleep syz-fuzzer 82810 462779 46510 0 3 0x4000082 kqread syz-fuzzer 82810 459577 46510 0 3 0x4000082 thrsleep syz-fuzzer 82810 456230 46510 0 3 0x4000082 thrsleep syz-fuzzer 46510 247814 35876 0 3 0x10008a pause ksh 35876 432353 51085 0 3 0x92 select sshd 51085 65012 1 0 3 0x80 select sshd 99514 349499 68688 73 2 0x100090 syslogd 68688 135443 1 0 3 0x100082 netio syslogd 82705 131320 0 0 2 0x14200 zerothread 64260 338380 0 0 3 0x14200 aiodoned aiodoned 51315 119765 0 0 3 0x14200 syncer update 3169 270254 0 0 3 0x14200 cleaner cleaner 88102 368820 0 0 3 0x14200 reaper reaper 50741 399388 0 0 3 0x14200 pgdaemon pagedaemon 56650 159030 0 0 3 0x14200 bored crynlk 55341 53662 0 0 3 0x14200 bored crypto 78190 490938 0 0 3 0x40014200 acpi0 acpi0 79061 34580 0 0 3 0x14200 bored softnet 17956 280959 0 0 3 0x14200 bored systqmp 59612 268977 0 0 3 0x14200 bored systq 62469 514419 0 0 3 0x40014200 bored softclock 42406 344556 0 0 3 0x40014200 idle0 52693 500258 0 0 3 0x14200 bored smr 1 353335 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 9553 6307K 7770K 78643K 49014 0 0 pcb 20 9K 11K 78643K 9040 0 0 rtable 125 5K 5K 78643K 2242 0 0 ifaddr 71 26K 34K 78643K 2258 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 1063 0 0 iov 0 0K 32K 78643K 2602 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1188 75K 76K 78643K 17499 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 273 0 0 VM map 2 0K 0K 78643K 2 0 0 sem 12 1K 1K 78643K 1697 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12645 0 0 file desc 5 13K 25K 78643K 21073 0 0 sigio 1 0K 0K 78643K 278 0 0 proc 42 30K 54K 78643K 2136 0 0 subproc 32 2K 2K 78643K 78 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 2044 0 0 in_multi 33 2K 2K 78643K 698 0 0 ether_multi 1 0K 0K 78643K 69 0 0 mrt 0 0K 0K 78643K 43 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 156 689K 689K 78643K 156 0 0 exec 0 0K 1K 78643K 2049 0 0 pfkey data 0 0K 4K 78643K 18 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 39K 78643K 50057 0 0 UVM aobj 130 4K 4K 78643K 144 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 749 0 0 NDP 16 0K 0K 78643K 612 0 0 temp 199 2720K 3359K 78643K 64262 0 0 kqueue 0 0K 0K 78643K 166 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 8 0 2 1 0 1 1 0 8 0 inpcbpl 280 7903 0 7899 2 1 1 2 0 8 0 rtentry 112 69 0 23 2 0 2 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 23 0 23 1 1 0 1 0 8 0 tcpcb 544 2903 0 2899 1 0 1 1 0 8 0 nd6 48 9 0 3 1 0 1 1 0 8 0 ppxss 1128 442 0 442 47 46 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 236 0 44 12 0 12 12 0 8 0 art_table 32 237 0 44 2 0 2 2 0 8 0 art_node 16 56 0 16 1 0 1 1 0 8 0 sysvmsgpl 40 14 0 4 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 1695 0 1685 1 0 1 1 0 8 0 shmpl 112 142 0 14 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 36589 0 34943 55 1 54 54 0 8 0 ffsino 240 36589 0 34943 100 2 98 98 0 8 0 nchpl 144 66148 0 65674 61 38 23 61 0 8 0 uvmvnodes 72 7741 0 0 141 0 141 141 0 8 0 vnodes 200 7741 0 0 408 0 408 408 0 8 0 namei 1024 212682 0 212682 3 2 1 1 0 8 1 scsiplug 64 40 0 40 32 31 1 1 0 8 1 scxspl 192 208136 0 208136 77 74 3 6 0 8 3 plimitpl 152 661 0 655 1 0 1 1 0 8 0 sigapl 432 21242 0 21231 2 0 2 2 0 8 0 futexpl 56 340251 0 340251 4 3 1 1 0 8 1 knotepl 112 3613 0 3594 1 0 1 1 0 8 0 kqueuepl 104 4563 0 4561 1 0 1 1 0 8 0 pipepl 112 11864 0 11845 21 20 1 2 0 8 0 fdescpl 424 21243 0 21231 2 0 2 2 0 8 0 filepl 120 127376 0 127289 39 35 4 5 0 8 1 lockfpl 104 7323 0 7323 6 5 1 1 0 8 1 lockfspl 48 2466 0 2466 6 5 1 1 0 8 1 sessionpl 112 19 0 11 1 0 1 1 0 8 0 pgrppl 48 201 0 193 1 0 1 1 0 8 0 ucredpl 96 29467 0 29461 1 0 1 1 0 8 0 zombiepl 144 21231 0 21231 3 2 1 1 0 8 1 processpl 848 21258 0 21231 4 0 4 4 0 8 0 procpl 624 48470 0 48436 29 25 4 4 0 8 1 sosppl 128 217 0 217 56 55 1 1 0 8 1 sockpl 384 15938 0 15927 15 12 3 4 0 8 1 mcl64k 65536 4079 0 4079 393 364 29 64 0 8 29 mcl16k 16384 73 0 73 44 44 0 1 0 8 0 mcl12k 12288 364 0 364 52 52 0 1 0 8 0 mcl9k 9216 299 0 299 55 54 1 1 0 8 1 mcl8k 8192 296 0 296 55 54 1 1 0 8 1 mcl4k 4096 891 0 891 19 18 1 1 0 8 1 mcl2k2 2112 112 0 112 51 51 0 1 0 8 0 mcl2k 2048 84361 0 84322 13 7 6 10 0 8 0 mtagpl 80 24 0 24 9 9 0 1 0 8 0 mbufpl 256 230329 0 230263 200 184 16 36 0 8 8 bufpl 256 59185 0 51448 485 1 484 485 0 8 0 anonpl 16 1739021 0 1727730 554 492 62 64 0 62 15 amapchunkpl 152 86062 0 85968 193 186 7 18 0 158 2 amappl16 192 119128 0 118497 565 521 44 44 0 8 12 amappl15 184 6 0 6 6 6 0 1 0 8 0 amappl14 176 41 0 40 2 1 1 1 0 8 0 amappl13 168 12308 0 12307 1 0 1 1 0 8 0 amappl12 160 16 0 14 1 0 1 1 0 8 0 amappl11 152 57 0 50 1 0 1 1 0 8 0 amappl10 144 69 0 67 2 1 1 1 0 8 0 amappl9 136 574 0 569 1 0 1 1 0 8 0 amappl8 128 162 0 134 1 0 1 1 0 8 0 amappl7 120 41 0 36 1 0 1 1 0 8 0 amappl6 112 67 0 59 1 0 1 1 0 8 0 amappl5 104 284 0 277 1 0 1 1 0 8 0 amappl4 96 31967 0 31947 1 0 1 1 0 8 0 amappl3 88 878 0 867 1 0 1 1 0 8 0 amappl2 80 170276 0 170215 4 2 2 3 0 8 0 amappl1 72 374568 0 374186 25 15 10 19 0 8 0 amappl 80 48850 0 48820 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 64 143 0 14 3 0 3 3 0 8 0 uaddrrnd 24 21243 0 21231 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 21243 0 21231 1 0 1 1 0 8 0 vmmpekpl 168 117651 0 117624 2 0 2 2 0 8 0 vmmpepl 168 2440226 0 2438632 463 382 81 91 0 357 7 vmsppl 272 21242 0 21231 2 1 1 2 0 8 0 pdppl 4096 42492 0 42462 6 1 5 6 0 8 0 pvpl 32 5119927 0 5105624 1017 864 153 197 0 265 35 pmappl 200 21242 0 21231 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 1368 0 705 27 7 20 21 0 8 0