uvm_fault(0xffffffff822404e8, 0xffff8000009f4000, 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(0xffffffff822404e8, 0xffff8000009f4000, 0, 1) -> e strlcpy(ffff800000a04c90,ffff8000009f3ee2,20) at strlcpy+0xcf sys/lib/libkern/strlcpy.c:44 end trace frame: 0xffff8000159f1e00, count: 0 ddb> trace strlcpy(ffff800000a04c90,ffff8000009f3ee2,20) at strlcpy+0xcf sys/lib/libkern/strlcpy.c:44 rtlabel_name2id(ffff8000009f3ee2) at rtlabel_name2id+0x13d sys/net/route.c:1614 rtrequest(1,ffff8000159f1fb8,0,ffff8000159f1f28,0) at rtrequest+0x64b sys/net/route.c:893 rtm_output(ffff8000009f3e00,ffff8000159f2060,ffff8000159f1fb8,0,0) at rtm_output+0x6e1 sys/net/rtsock.c:900 route_output(fffffd8036dc4200,fffffd8037020300,0,0) at route_output+0x7d8 sys/net/rtsock.c:818 route_usrreq(fffffd8037020300,9,fffffd8036dc4200,0,0,ffff800014940018) at route_usrreq+0x363 sys/net/rtsock.c:275 sosend(fffffd8037020300,0,ffff8000159f2260,0,0,80) at sosend+0x660 sys/kern/uipc_socket.c:524 sendit(ffff800014940018,4,ffff8000159f2340,0,ffff8000159f2440) at sendit+0x53f sys/kern/uipc_syscalls.c:662 sys_sendto(ffff800014940018,ffff8000159f23d8,ffff8000159f2440) at sys_sendto+0x80 sys/kern/uipc_syscalls.c:527 syscall(ffff8000159f24a0) at syscall+0x508 Xsyscall(6,0,ffffffffffffffd8,0,6,de91648010) at Xsyscall+0x128 end of kernel end trace frame: 0xe11d04ae30, count: -11 ddb> show registers rdi 0xffffffff812ab965 strlcpy+0xc5 rsi 0x384 rbp 0xffff8000159f1db0 rbx 0xffff8000009f4001 rdx 0x385 rcx 0xffff8000149c3000 rax 0xffff8000149c3000 r8 0x38 r9 0x5 r10 0xc28b8d28f321f912 r11 0x2f962cd16dc4874a r12 0 r13 0x27 r14 0xffff8000009f3ee2 r15 0xff rip 0xffffffff812ab96f strlcpy+0xcf cs 0x8 rflags 0x10282 __ALIGN_SIZE+0xf282 rsp 0xffff8000159f1d60 ss 0x10 strlcpy+0xcf: movzbl 0xffffffffffffffff(%rbx),%r15d ddb> show proc PROC (syz-executor.1) pid=362235 stat=onproc flags process=0 proc=4000000 pri=81, usrpri=81, nice=20 forw=0xffffffffffffffff, list=0xffff8000149413d8,0xffffffff822be988 process=0xffff8000ffff77b0 user=0xffff8000159ed000, vmspace=0xfffffd803f00c000 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 98984 257136 26673 0 2 0 syz-executor.1 *98984 362235 26673 0 7 0x4000000 syz-executor.1 1386 226590 1 0 3 0x100083 ttyin getty 87191 205938 0 0 3 0x14200 bored sosplice 12193 462858 35434 0 3 0x82 nanosleep syz-executor.0 26673 5502 35434 0 2 0x482 syz-executor.1 35434 281406 64227 0 3 0x82 thrsleep syz-fuzzer 35434 226096 64227 0 3 0x4000082 thrsleep syz-fuzzer 35434 293591 64227 0 3 0x4000082 kqread syz-fuzzer 35434 372870 64227 0 3 0x4000082 thrsleep syz-fuzzer 35434 361423 64227 0 3 0x4000082 thrsleep syz-fuzzer 35434 204285 64227 0 3 0x4000082 thrsleep syz-fuzzer 35434 419055 64227 0 3 0x4000082 thrsleep syz-fuzzer 64227 226349 68500 0 3 0x10008a pause ksh 68500 156155 6847 0 3 0x92 select sshd 6847 443234 1 0 3 0x80 select sshd 11645 124085 7907 73 2 0x100090 syslogd 7907 44036 1 0 3 0x100082 netio syslogd 25344 424362 1 77 3 0x100090 poll dhclient 89314 513679 1 0 3 0x80 poll dhclient 37111 419475 0 0 2 0x14200 zerothread 52556 328888 0 0 3 0x14200 aiodoned aiodoned 59310 221392 0 0 3 0x14200 syncer update 33803 468983 0 0 3 0x14200 cleaner cleaner 95968 217381 0 0 3 0x14200 reaper reaper 78749 214733 0 0 3 0x14200 pgdaemon pagedaemon 8571 142320 0 0 3 0x14200 bored crynlk 9170 96472 0 0 3 0x14200 bored crypto 99055 411753 0 0 3 0x40014200 acpi0 acpi0 80226 257303 0 0 3 0x14200 bored softnet 98327 462687 0 0 3 0x14200 bored systqmp 64172 444867 0 0 3 0x14200 bored systq 32761 89323 0 0 2 0x40014200 softclock 62005 144606 0 0 3 0x40014200 idle0 76560 404027 0 0 3 0x14200 bored smr 1 399061 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 9492 6344K 6988K 78643K 12993 0 0 pcb 13 8K 8K 78643K 77 0 0 rtable 117 4K 4K 78643K 367 0 0 ifaddr 52 12K 13K 78643K 136 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 55 0 0 iov 0 0K 16K 78643K 121 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1204 76K 77K 78643K 2018 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 10 0 0 VM map 2 0K 0K 78643K 2 0 0 sem 12 0K 1K 78643K 115 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12645 0 0 file desc 5 13K 25K 78643K 911 0 0 sigio 0 0K 0K 78643K 14 0 0 proc 41 30K 54K 78643K 399 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 55 0 0 in_multi 33 2K 2K 78643K 42 0 0 ether_multi 1 0K 0K 78643K 2 0 0 mrt 0 0K 0K 78643K 1 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 72 318K 318K 78643K 72 0 0 exec 0 0K 1K 78643K 273 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 92 21K 25K 78643K 3030 0 0 UVM aobj 44 2K 2K 78643K 53 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 19 0 0 NDP 10 0K 0K 78643K 36 0 0 temp 157 2727K 2793K 78643K 5874 0 0 kqueue 0 0K 0K 78643K 4 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 rtpcb 80 60 0 56 1 0 1 1 0 8 0 rtentry 112 48 0 2 2 0 2 2 0 8 0 unpcb 120 365 0 357 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 565 0 565 1 1 0 1 0 8 0 tcpcb 544 140 0 136 1 0 1 1 0 8 0 inpcb 280 376 0 369 1 0 1 1 0 8 0 nd6 48 7 0 0 1 0 1 1 0 8 0 pkpcb 40 4 0 4 2 2 0 1 0 8 0 ppxss 1128 18 0 18 5 4 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 191 0 0 12 0 12 12 0 8 0 art_table 32 192 0 0 2 0 2 2 0 8 0 art_node 16 45 0 4 1 0 1 1 0 8 0 sysvmsgpl 40 27 0 19 1 0 1 1 0 8 0 semapl 112 113 0 103 1 0 1 1 0 8 0 shmpl 112 51 0 9 2 0 2 2 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 2845 0 1439 46 0 46 46 0 8 0 ffsino 240 2845 0 1439 84 0 84 84 0 8 0 nchpl 144 4361 0 2724 62 0 62 62 0 8 0 uvmvnodes 72 3435 0 0 63 0 63 63 0 8 0 vnodes 200 3435 0 0 181 0 181 181 0 8 0 namei 1024 12695 0 12695 1 0 1 1 0 8 1 scsiplug 64 1 0 1 1 1 0 1 0 8 0 scxspl 192 13622 0 13622 16 13 3 6 0 8 3 plimitpl 152 76 0 69 1 0 1 1 0 8 0 sigapl 432 1083 0 1070 2 0 2 2 0 8 0 futexpl 56 15113 0 15113 1 0 1 1 0 8 1 knotepl 112 211 0 192 1 0 1 1 0 8 0 kqueuepl 104 234 0 232 1 0 1 1 0 8 0 pipepl 112 644 0 625 5 4 1 2 0 8 0 fdescpl 424 1084 0 1070 2 0 2 2 0 8 0 filepl 120 6397 0 6301 5 1 4 5 0 8 0 lockfpl 104 352 0 352 2 1 1 1 0 8 1 lockfspl 48 119 0 119 2 1 1 1 0 8 1 sessionpl 112 18 0 8 1 0 1 1 0 8 0 pgrppl 48 24 0 14 1 0 1 1 0 8 0 ucredpl 96 1162 0 1155 1 0 1 1 0 8 0 zombiepl 144 1070 0 1069 1 0 1 1 0 8 0 processpl 864 1099 0 1069 4 0 4 4 0 8 0 procpl 632 2303 0 2266 4 0 4 4 0 8 0 sosppl 128 9 0 9 4 3 1 1 0 8 1 sockpl 384 807 0 788 4 1 3 4 0 8 1 mcl64k 65536 25 0 25 6 5 1 1 0 8 1 mcl16k 16384 2 0 2 1 1 0 1 0 8 0 mcl12k 12288 14 0 14 5 4 1 1 0 8 1 mcl9k 9216 14 0 14 5 4 1 1 0 8 1 mcl8k 8192 14 0 14 3 2 1 1 0 8 1 mcl4k 4096 59 0 59 2 1 1 1 0 8 1 mcl2k2 2112 8 0 8 4 3 1 1 0 8 1 mcl2k 2048 55878 0 55841 12 7 5 10 0 8 0 mtagpl 80 26 0 9 2 1 1 1 0 8 0 mbufpl 256 92374 0 92278 11 4 7 9 0 8 0 bufpl 256 7987 0 3476 283 0 283 283 0 8 0 anonpl 16 113279 0 101753 90 37 53 63 0 62 6 amapchunkpl 152 4852 0 4726 23 13 10 15 0 158 3 amappl16 192 5923 0 5308 72 40 32 43 0 8 1 amappl15 184 421 0 420 1 0 1 1 0 8 0 amappl14 176 61 0 55 1 0 1 1 0 8 0 amappl13 168 6 0 6 1 1 0 1 0 8 0 amappl12 160 7 0 5 1 0 1 1 0 8 0 amappl11 152 56 0 45 1 0 1 1 0 8 0 amappl10 144 63 0 62 1 0 1 1 0 8 0 amappl9 136 757 0 752 1 0 1 1 0 8 0 amappl8 128 592 0 572 1 0 1 1 0 8 0 amappl7 120 39 0 35 1 0 1 1 0 8 0 amappl6 112 52 0 46 1 0 1 1 0 8 0 amappl5 104 653 0 643 1 0 1 1 0 8 0 amappl4 96 1306 0 1280 1 0 1 1 0 8 0 amappl3 88 195 0 184 1 0 1 1 0 8 0 amappl2 80 8391 0 8325 3 1 2 3 0 8 0 amappl1 72 28049 0 27633 26 17 9 19 0 8 0 amappl 80 2541 0 2501 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 52 0 9 1 0 1 1 0 8 0 uaddrrnd 24 1084 0 1070 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1084 0 1070 1 0 1 1 0 8 0 vmmpekpl 168 10301 0 10276 2 0 2 2 0 8 0 vmmpepl 168 134710 0 133048 117 38 79 90 0 357 2 vmsppl 272 1083 0 1070 2 1 1 2 0 8 0 pdppl 4096 2175 0 2140 6 1 5 6 0 8 0 pvpl 32 328969 0 314470 182 37 145 156 0 265 26 pmappl 200 1083 0 1070 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 430 0 24 12 0 12 12 0 8 0