uvm_fault(0xffffffff8253f5d8, 0xffff800000c16000, 0, 1) -> e kernel: page fault trap, code=0 Stopped at strlcpy+0xcf: movzbl 0xffffffffffffffff(%rbx),%r15d ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic kernel page fault uvm_fault(0xffffffff8253f5d8, 0xffff800000c16000, 0, 1) -> e strlcpy(ffff800000a913d0,ffff800000c15ee2,20) at strlcpy+0xcf sys/lib/libkern/strlcpy.c:44 end trace frame: 0xffff800023592980, count: 0 ddb{1}> trace strlcpy(ffff800000a913d0,ffff800000c15ee2,20) at strlcpy+0xcf sys/lib/libkern/strlcpy.c:44 rtlabel_name2id(ffff800000c15ee2) at rtlabel_name2id+0x13d sys/net/route.c:1614 rtrequest(1,ffff800023592b38,0,ffff800023592aa8,0) at rtrequest+0x653 sys/net/route.c:893 rtm_output(ffff800000c15e00,ffff800023592be8,ffff800023592b38,0,0) at rtm_output+0x62f sys/net/rtsock.c:901 route_output(fffffd8061287b00,fffffd8066818348,0,0) at route_output+0x7c4 sys/net/rtsock.c:819 route_usrreq(fffffd8066818348,9,fffffd8061287b00,0,0,ffff800020acea10) at route_usrreq+0x363 sys/net/rtsock.c:275 sosend(fffffd8066818348,0,ffff800023592dd0,0,0,88) at sosend+0x645 sys/kern/uipc_socket.c:524 sendit(ffff800020acea10,3,ffff800023592eb0,8,ffff800023592f90) at sendit+0x52b sys/kern/uipc_syscalls.c:662 sys_sendto(ffff800020acea10,ffff800023592f48,ffff800023592f90) at sys_sendto+0x80 sys/kern/uipc_syscalls.c:527 syscall(ffff800023593010) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline] syscall(ffff800023593010) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555 Xsyscall(6,0,ffffffffffffffd8,0,6,ecc78b58010) at Xsyscall+0x128 end of kernel end trace frame: 0xecf2bf942f0, count: -11 ddb{1}> show registers rdi 0xffffffff81d5f5d5 strlcpy+0xc5 rsi 0x5e9 rbp 0xffff800023592930 rbx 0xffff800000c16001 rdx 0x5ea rcx 0xffff800021364000 rax 0xffff800021364000 r8 0x38 r9 0x5 r10 0x9845f1022cd20871 r11 0xd71baa4630b1704c r12 0 r13 0x27 r14 0xffff800000c15ee2 r15 0xff rip 0xffffffff81d5f5df strlcpy+0xcf cs 0x8 rflags 0x10282 __ALIGN_SIZE+0xf282 rsp 0xffff8000235928e0 ss 0x10 strlcpy+0xcf: movzbl 0xffffffffffffffff(%rbx),%r15d ddb{1}> show proc PROC (syz-executor.0) pid=213934 stat=onproc flags process=0 proc=4000000 pri=50, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff800020ace520,0xffffffff8265d560 process=0xffff800020add180 user=0xffff80002358e000, vmspace=0xfffffd807f00b000 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 99725 508894 92361 0 7 0 syz-executor.0 *99725 213934 92361 0 7 0x4000000 syz-executor.0 92361 29700 4037 0 3 0x82 nanosleep syz-executor.0 8410 273936 4037 0 3 0x82 nanosleep syz-executor.1 3121 463101 0 0 3 0x14200 bored sosplice 4037 119041 2702 0 3 0x82 kqread syz-fuzzer 4037 149255 2702 0 3 0x4000082 nanosleep syz-fuzzer 4037 38 2702 0 3 0x4000082 thrsleep syz-fuzzer 4037 202076 2702 0 3 0x4000082 thrsleep syz-fuzzer 4037 73256 2702 0 3 0x4000082 nanosleep syz-fuzzer 4037 495233 2702 0 3 0x4000082 thrsleep syz-fuzzer 4037 368052 2702 0 3 0x4000082 thrsleep syz-fuzzer 4037 383 2702 0 3 0x4000082 thrsleep syz-fuzzer 4037 367904 2702 0 3 0x4000082 thrsleep syz-fuzzer 4037 361403 2702 0 3 0x4000082 thrsleep syz-fuzzer 2702 254670 36964 0 3 0x10008a pause ksh 36964 480248 46428 0 3 0x92 select sshd 68894 228958 1 0 3 0x100083 ttyin getty 46428 481752 1 0 3 0x80 select sshd 86260 65604 68677 74 3 0x100092 bpf pflogd 68677 10281 1 0 3 0x80 netio pflogd 46445 219386 47715 73 3 0x100090 kqread syslogd 47715 430569 1 0 3 0x100082 netio syslogd 16813 359928 1 77 3 0x100090 poll dhclient 35609 456432 1 0 3 0x80 poll dhclient 2422 507612 0 0 3 0x14200 pgzero zerothread 13934 497853 0 0 3 0x14200 aiodoned aiodoned 15039 23816 0 0 3 0x14200 syncer update 35588 22267 0 0 3 0x14200 cleaner cleaner 57792 516908 0 0 3 0x14200 reaper reaper 57566 325203 0 0 3 0x14200 pgdaemon pagedaemon 4417 147562 0 0 3 0x14200 bored crynlk 48123 418181 0 0 3 0x14200 bored crypto 47737 317058 0 0 3 0x40014200 acpi0 acpi0 8522 87693 0 0 3 0x40014200 idle1 30996 112822 0 0 3 0x14200 bored softnet 23525 351073 0 0 3 0x14200 bored systqmp 28733 351735 0 0 3 0x14200 bored systq 98511 32955 0 0 3 0x40014200 bored softclock 58489 483233 0 0 3 0x40014200 idle0 6297 28920 0 0 3 0x14200 bored smr 1 373608 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 99725 (syz-executor.0) thread 0xffff800020acea10 (213934) exclusive rwlock netlock r = 0 (0xffffffff82489128) #0 witness_lock+0x52e sys/kern/subr_witness.c:1163 #1 rtm_output+0x5c3 sys/net/rtsock.c:897 #2 route_output+0x7c4 sys/net/rtsock.c:819 #3 route_usrreq+0x363 sys/net/rtsock.c:275 #4 sosend+0x645 sys/kern/uipc_socket.c:524 #5 sendit+0x52b sys/kern/uipc_syscalls.c:662 #6 sys_sendto+0x80 sys/kern/uipc_syscalls.c:527 #7 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline] #7 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555 #8 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 1 (0xffffffff82672ed0) #0 witness_lock+0x52e sys/kern/subr_witness.c:1163 #1 solock+0x66 sys/kern/uipc_socket2.c:292 #2 sosend+0x51b sys/kern/uipc_socket.c:512 #3 sendit+0x52b sys/kern/uipc_syscalls.c:662 #4 sys_sendto+0x80 sys/kern/uipc_syscalls.c:527 #5 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline] #5 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555 #6 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim Kern Lim devbuf 9673 6502K 10589K 78643K 30637 0 0 pcb 13 10K 12K 78643K 1014 0 0 rtable 120 14K 14K 78643K 3101 0 0 ifaddr 203 45K 46K 78643K 1230 0 0 counters 39 33K 33K 78643K 39 0 0 ioctlops 0 0K 4K 78643K 4603 0 0 iov 0 0K 24K 78643K 856 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1214 76K 77K 78643K 12227 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 128 0 0 VM map 2 1K 1K 78643K 22 0 0 sem 12 0K 1K 78643K 1015 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1808 196K 290K 78643K 12765 0 0 file desc 5 13K 25K 78643K 10657 0 0 sigio 0 0K 0K 78643K 83 0 0 proc 62 63K 95K 78643K 2659 0 0 subproc 32 2K 2K 78643K 633 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 707 0 0 in_multi 32 2K 2K 78643K 597 0 0 ether_multi 1 0K 0K 78643K 67 0 0 mrt 1 0K 0K 78643K 61 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 204 901K 901K 78643K 204 0 0 exec 0 0K 1K 78643K 1293 0 0 pfkey data 0 0K 0K 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 138 23K 33K 78643K 36622 0 0 UVM aobj 130 4K 4K 78643K 139 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 1104 0 0 NDP 30 1K 1K 78643K 295 0 0 temp 284 3558K 4198K 78643K 159430 0 0 kqueue 0 0K 0K 78643K 47 0 0 SYN cache 2 16K 16K 78643K 2 0 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 76 0 70 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 551 0 548 1 0 1 1 0 8 0 rtentry 112 532 0 491 2 0 2 2 0 8 0 unpcb 120 3927 0 3899 13 11 2 2 0 8 1 syncache 264 13 0 13 7 7 0 1 0 8 0 tcpqe 32 6420 0 6420 1 1 0 1 0 8 0 tcpcb 544 3540 0 3536 1 0 1 1 0 8 0 inpcb 280 15997 0 15988 51 50 1 13 0 8 0 rttmr 72 10 0 10 9 9 0 1 0 8 0 nd6 48 60 0 57 2 1 1 1 0 8 0 pkpcb 40 55 0 55 17 17 0 1 0 8 0 swfcl 56 1 0 0 1 0 1 1 0 8 0 ppxss 1128 138 0 138 46 45 1 1 0 8 1 pffrag 232 7 0 7 4 4 0 1 0 482 0 pffrnode 88 7 0 7 4 4 0 1 0 8 0 pffrent 40 14 0 14 4 4 0 1 0 8 0 pfosfp 40 846 0 423 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfstitem 24 274 0 255 1 0 1 1 0 8 0 pfstkey 112 274 0 255 1 0 1 1 0 8 0 pfstate 328 274 0 255 3 1 2 3 0 8 0 pfrule 1360 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 8 0 7 4 3 1 3 0 8 0 art_heap4 256 1818 0 1616 37 24 13 17 0 8 0 art_table 32 1826 0 1623 4 2 2 3 0 8 0 art_node 16 384 0 347 1 0 1 1 0 8 0 sysvmsgpl 40 43 0 26 1 0 1 1 0 8 0 semupl 112 2 0 2 2 2 0 1 0 8 0 semapl 112 1007 0 997 1 0 1 1 0 8 0 shmpl 112 137 0 9 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 18842 0 17434 46 0 46 46 0 8 0 ffsino 272 18842 0 17434 95 0 95 95 0 8 0 nchpl 144 35103 0 33474 61 0 61 61 0 8 0 uvmvnodes 72 6668 0 0 122 0 122 122 0 8 0 vnodes 208 6668 0 0 351 0 351 351 0 8 0 namei 1024 142445 0 142445 3 2 1 1 0 8 1 percpumem 16 30 0 0 1 0 1 1 0 8 0 vmpool 552 20 0 20 6 6 0 1 0 8 0 scsiplug 64 18 0 18 11 11 0 1 0 8 0 scxspl 192 91362 0 91362 39 38 1 7 0 8 1 plimitpl 152 775 0 767 1 0 1 1 0 8 0 sigapl 432 10752 0 10737 3 1 2 3 0 8 0 futexpl 56 201686 0 201686 1 0 1 1 0 8 1 knotepl 112 1771 0 1752 1 0 1 1 0 8 0 kqueuepl 104 3591 0 3589 1 0 1 1 0 8 0 pipepl 112 8024 0 8005 17 16 1 3 0 8 0 fdescpl 488 10753 0 10737 3 0 3 3 0 8 0 filepl 152 107372 0 107271 60 55 5 14 0 8 1 lockfpl 104 3247 0 3246 1 0 1 1 0 8 0 lockfspl 48 1098 0 1097 1 0 1 1 0 8 0 sessionpl 112 53 0 42 1 0 1 1 0 8 0 pgrppl 48 118 0 107 1 0 1 1 0 8 0 ucredpl 96 33033 0 33024 1 0 1 1 0 8 0 zombiepl 144 10741 0 10740 4 3 1 1 0 8 0 processpl 896 10773 0 10740 4 0 4 4 0 8 0 procpl 632 34199 0 34156 7 2 5 5 0 8 0 srpgc 64 72 0 72 28 27 1 1 0 8 1 sosppl 128 91 0 91 32 32 0 1 0 8 0 sockpl 384 20642 0 20604 49 44 5 22 0 8 0 mcl64k 65536 714 0 0 85 71 14 66 0 8 1 mcl16k 16384 36 0 0 5 3 2 3 0 8 0 mcl12k 12288 61 0 0 2 0 2 2 0 8 0 mcl9k 9216 49 0 0 3 1 2 2 0 8 0 mcl8k 8192 25 0 0 3 0 3 3 0 8 0 mcl4k 4096 17 0 0 3 0 3 3 0 8 0 mcl2k2 2112 9 0 0 1 0 1 1 0 8 0 mcl2k 2048 241 0 0 20 8 12 20 0 8 0 mtagpl 80 110 0 0 2 0 2 2 0 8 0 mbufpl 256 1368 0 0 37 0 37 37 0 8 0 bufpl 256 27888 0 20840 441 0 441 441 0 8 0 anonpl 16 960965 0 949704 314 252 62 75 0 124 0 amapchunkpl 152 66403 0 66295 63 57 6 12 0 158 0 amappl16 192 49953 0 49145 315 273 42 55 0 8 1 amappl15 184 3242 0 3242 6 6 0 1 0 8 0 amappl14 176 1239 0 1236 2 1 1 1 0 8 0 amappl13 168 2659 0 2659 2 2 0 1 0 8 0 amappl12 160 657 0 656 5 4 1 1 0 8 0 amappl11 152 1551 0 1534 1 0 1 1 0 8 0 amappl10 144 1450 0 1444 1 0 1 1 0 8 0 amappl9 136 2240 0 2232 1 0 1 1 0 8 0 amappl8 128 1827 0 1773 2 0 2 2 0 8 0 amappl7 120 1641 0 1632 1 0 1 1 0 8 0 amappl6 112 1460 0 1447 1 0 1 1 0 8 0 amappl5 104 1334 0 1320 1 0 1 1 0 8 0 amappl4 96 12111 0 12073 4 3 1 2 0 8 0 amappl3 88 2907 0 2900 1 0 1 1 0 8 0 amappl2 80 84152 0 84079 4 2 2 3 0 8 0 amappl1 72 239805 0 239362 35 26 9 20 0 8 0 amappl 80 35009 0 34972 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 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 64 138 0 9 3 0 3 3 0 8 0 uaddrrnd 24 10773 0 10737 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 10773 0 10737 1 0 1 1 0 8 0 vmmpekpl 168 91702 0 91668 2 0 2 2 0 8 0 vmmpepl 168 1313350 0 1311376 626 508 118 123 0 357 20 vmsppl 368 10752 0 10737 2 0 2 2 0 8 0 pdppl 4096 21553 0 21514 7 1 6 6 0 8 0 pvpl 32 2614071 0 2599567 679 518 161 183 0 265 17 pmappl 232 10772 0 10757 11 10 1 2 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 750 0 115 20 0 20 20 0 8 0