login: uvm_fault(0xffffffff8234b3f8, 0xffff800000aae000, 0, 1) -> e kernel: page fault trap, code=0 Stopped at strlcpy+0xcf: movzbl 0xffffffffffffffff(%rbx),%r15d ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic kernel page fault uvm_fault(0xffffffff8234b3f8, 0xffff800000aae000, 0, 1) -> e strlcpy(ffff8000009fbed0,ffff800000aadee2,20) at strlcpy+0xcf sys/lib/libkern/strlcpy.c:44 end trace frame: 0xffff800023c54d90, count: 0 ddb{0}> trace strlcpy(ffff8000009fbed0,ffff800000aadee2,20) at strlcpy+0xcf sys/lib/libkern/strlcpy.c:44 rtlabel_name2id(ffff800000aadee2) at rtlabel_name2id+0x13d sys/net/route.c:1607 rtrequest(1,ffff800023c54f40,0,ffff800023c54eb8,0) at rtrequest+0x64b sys/net/route.c:886 rtm_output(ffff800000aade00,ffff800023c54ff0,ffff800023c54f40,0,0) at rtm_output+0x6e1 sys/net/rtsock.c:896 route_output(fffffd8068d55200,fffffd806f703a80,0,0) at route_output+0x7e2 sys/net/rtsock.c:814 route_usrreq(fffffd806f703a80,9,fffffd8068d55200,0,0,ffff800020b6e508) at route_usrreq+0x363 sys/net/rtsock.c:271 sosend(fffffd806f703a80,0,ffff800023c551e0,0,0,80) at sosend+0x668 sys/kern/uipc_socket.c:513 sendit(ffff800020b6e508,3,ffff800023c552c0,0,ffff800023c553c0) at sendit+0x52f sys/kern/uipc_syscalls.c:662 sys_sendto(ffff800020b6e508,ffff800023c55358,ffff800023c553c0) at sys_sendto+0x80 sys/kern/uipc_syscalls.c:527 syscall(ffff800023c55430) at syscall+0x552 mi_syscall sys/sys/syscall_mi.h:92 [inline] syscall(ffff800023c55430) at syscall+0x552 sys/arch/amd64/amd64/trap.c:554 Xsyscall(6,0,ffffffffffffffd8,0,6,a4a4d681010) at Xsyscall+0x128 end of kernel end trace frame: 0xa4c7cee9700, count: -11 ddb{0}> show registers rdi 0xffffffff8103a0d5 strlcpy+0xc5 rsi 0x609 rbp 0xffff800023c54d40 rbx 0xffff800000aae001 rdx 0x60a rcx 0xffff800020c14000 rax 0xffff800020c14000 r8 0x38 r9 0x5 r10 0xde4e901e5346115c r11 0x4e9e3a94a3791924 r12 0 r13 0x27 r14 0xffff800000aadee2 r15 0x77 rip 0xffffffff8103a0df strlcpy+0xcf cs 0x8 rflags 0x10282 __ALIGN_SIZE+0xf282 rsp 0xffff800023c54cf0 ss 0x10 strlcpy+0xcf: movzbl 0xffffffffffffffff(%rbx),%r15d ddb{0}> show proc PROC (syz-executor.0) pid=119201 stat=onproc flags process=0 proc=4000000 pri=81, usrpri=81, nice=20 forw=0xffffffffffffffff, list=0xffff800020b6f3d8,0xffffffff8236da50 process=0xffff800020b8ca80 user=0xffff800023c50000, vmspace=0xfffffd807effe450 estcpu=31, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 69582 490721 81031 0 2 0 syz-executor.0 *69582 119201 81031 0 7 0x4000000 syz-executor.0 70400 367758 29295 0 2 0 syz-executor.1 70400 221038 29295 0 3 0x4000080 fsleep syz-executor.1 90494 414500 1 0 3 0x100083 ttyin getty 58682 404462 0 0 3 0x14200 bored sosplice 29295 163698 31818 0 7 0x482 syz-executor.1 81031 323400 31818 0 3 0x82 nanosleep syz-executor.0 31818 6429 26457 0 3 0x82 thrsleep syz-fuzzer 31818 380978 26457 0 3 0x4000082 thrsleep syz-fuzzer 31818 63970 26457 0 3 0x4000082 thrsleep syz-fuzzer 31818 353109 26457 0 3 0x4000082 thrsleep syz-fuzzer 31818 75464 26457 0 3 0x4000082 thrsleep syz-fuzzer 31818 412594 26457 0 3 0x4000082 thrsleep syz-fuzzer 31818 416652 26457 0 3 0x4000082 thrsleep syz-fuzzer 31818 88898 26457 0 3 0x4000082 thrsleep syz-fuzzer 31818 121800 26457 0 3 0x4000082 kqread syz-fuzzer 31818 517611 26457 0 3 0x4000082 thrsleep syz-fuzzer 26457 76235 96272 0 3 0x10008a pause ksh 96272 477334 74759 0 3 0x92 select sshd 74759 58899 1 0 3 0x80 select sshd 21793 497446 93023 74 3 0x100092 bpf pflogd 93023 284816 1 0 3 0x80 netio pflogd 71926 295088 47817 73 3 0x100090 kqread syslogd 47817 179689 1 0 3 0x100082 netio syslogd 93307 107787 1 77 3 0x100090 poll dhclient 98918 498584 1 0 3 0x80 poll dhclient 27476 399865 0 0 2 0x14200 zerothread 35925 432434 0 0 3 0x14200 aiodoned aiodoned 82315 392732 0 0 3 0x14200 syncer update 82956 53645 0 0 3 0x14200 cleaner cleaner 79811 431018 0 0 3 0x14200 reaper reaper 80775 187403 0 0 3 0x14200 pgdaemon pagedaemon 10746 399475 0 0 3 0x14200 bored crynlk 16321 448126 0 0 3 0x14200 bored crypto 63121 434385 0 0 3 0x40014200 acpi0 acpi0 99309 209809 0 0 3 0x40014200 idle1 86962 114035 0 0 3 0x14200 bored softnet 87442 170808 0 0 3 0x14200 bored systqmp 2068 40407 0 0 3 0x14200 bored systq 2850 233618 0 0 3 0x40014200 bored softclock 42602 503907 0 0 3 0x40014200 idle0 24020 466109 0 0 3 0x14200 bored smr 1 356154 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 69582 (syz-executor.0) thread 0xffff800020b6e508 (119201) exclusive rwlock netlock r = 0 (0xffffffff821e5688) #0 witness_lock+0x52e sys/kern/subr_witness.c:1163 #1 rtm_output+0x64d sys/net/rtsock.c:892 #2 route_output+0x7e2 sys/net/rtsock.c:814 #3 route_usrreq+0x363 sys/net/rtsock.c:271 #4 sosend+0x668 sys/kern/uipc_socket.c:513 #5 sendit+0x52f sys/kern/uipc_syscalls.c:662 #6 sys_sendto+0x80 sys/kern/uipc_syscalls.c:527 #7 syscall+0x552 mi_syscall sys/sys/syscall_mi.h:92 [inline] #7 syscall+0x552 sys/arch/amd64/amd64/trap.c:554 #8 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 1 (0xffffffff82397038) #0 witness_lock+0x52e sys/kern/subr_witness.c:1163 #1 solock+0x66 sys/kern/uipc_socket2.c:292 #2 sosend+0x52c sys/kern/uipc_socket.c:501 #3 sendit+0x52f sys/kern/uipc_syscalls.c:662 #4 sys_sendto+0x80 sys/kern/uipc_syscalls.c:527 #5 syscall+0x552 mi_syscall sys/sys/syscall_mi.h:92 [inline] #5 syscall+0x552 sys/arch/amd64/amd64/trap.c:554 #6 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim Kern Lim devbuf 9565 6447K 14732K 78643K 20476 0 0 pcb 26 9K 11K 78643K 1906 0 0 rtable 118 5K 5K 78643K 1164 0 0 ifaddr 73 16K 17K 78643K 486 0 0 counters 39 33K 33K 78643K 39 0 0 ioctlops 0 0K 4K 78643K 1621 0 0 iov 0 0K 28K 78643K 439 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1206 76K 77K 78643K 4643 0 0 UFS quota 1 32K 32K 78643K 1 0 0 UFS mount 5 36K 36K 78643K 5 0 0 shm 2 1K 9K 78643K 53 0 0 VM map 2 1K 1K 78643K 2 0 0 sem 12 0K 1K 78643K 367 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1808 196K 290K 78643K 12765 0 0 file desc 6 17K 25K 78643K 3866 0 0 sigio 1 0K 0K 78643K 55 0 0 proc 54 51K 83K 78643K 793 0 0 subproc 32 2K 2K 78643K 37 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 284 0 0 in_multi 33 2K 2K 78643K 136 0 0 ether_multi 1 0K 0K 78643K 23 0 0 mrt 0 0K 0K 78643K 174 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 573 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 109 22K 32K 78643K 13651 0 0 UVM aobj 130 4K 4K 78643K 146 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 228 0 0 NDP 16 0K 0K 78643K 130 0 0 temp 200 2740K 2868K 78643K 15260 0 0 kqueue 0 0K 0K 78643K 32 0 0 SYN cache 2 16K 16K 78643K 2 0 0 ddb{0}> 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 1811 0 1804 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtentry 112 68 0 23 2 0 2 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 127 0 127 1 1 0 1 0 8 0 tcpcb 544 552 0 548 1 0 1 1 0 8 0 rttmr 72 18 0 18 7 7 0 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 99 0 99 10 10 0 1 0 8 0 pffrag 232 1 0 1 1 1 0 1 0 482 0 pffrnode 88 1 0 1 1 1 0 1 0 8 0 pffrent 40 4 0 4 1 1 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 51 0 39 1 0 1 1 0 8 0 pfstkey 112 51 0 39 1 0 1 1 0 8 0 pfstate 328 51 0 39 2 0 2 2 0 8 0 pfrule 1360 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 217 0 28 14 2 12 13 0 8 0 art_table 32 218 0 28 2 0 2 2 0 8 0 art_node 16 58 0 18 1 0 1 1 0 8 0 sysvmsgpl 40 13 0 2 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 363 0 353 1 0 1 1 0 8 0 shmpl 112 144 0 16 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 7627 0 6169 48 0 48 48 0 8 0 ffsino 272 7627 0 6169 99 1 98 98 0 8 0 nchpl 144 13146 0 11495 62 0 62 62 0 8 0 uvmvnodes 72 5926 0 0 108 0 108 108 0 8 0 vnodes 200 5926 0 0 312 0 312 312 0 8 0 namei 1024 41638 0 41638 1 0 1 1 0 8 1 percpumem 16 30 0 0 1 0 1 1 0 8 0 scsiplug 64 14 0 14 10 9 1 1 0 8 1 scxspl 192 40515 0 40515 22 20 2 5 0 8 2 plimitpl 152 300 0 292 1 0 1 1 0 8 0 sigapl 432 4071 0 4055 3 1 2 3 0 8 0 futexpl 56 46862 0 46861 1 0 1 1 0 8 0 knotepl 112 738 0 719 2 1 1 2 0 8 0 kqueuepl 104 898 0 895 1 0 1 1 0 8 0 pipepl 112 2396 0 2377 8 7 1 2 0 8 0 fdescpl 488 4072 0 4055 3 0 3 3 0 8 0 filepl 152 23980 0 23879 11 6 5 7 0 8 1 lockfpl 104 1362 0 1362 2 1 1 1 0 8 1 lockfspl 48 486 0 486 2 1 1 1 0 8 1 sessionpl 112 23 0 12 1 0 1 1 0 8 0 pgrppl 48 84 0 73 1 0 1 1 0 8 0 ucredpl 96 4884 0 4875 1 0 1 1 0 8 0 zombiepl 144 4055 0 4055 2 1 1 1 0 8 1 processpl 896 4088 0 4055 4 0 4 4 0 8 0 procpl 632 12729 0 12685 10 5 5 5 0 8 1 srpgc 64 10 0 10 7 7 0 1 0 8 0 sosppl 128 53 0 53 15 14 1 1 0 8 1 sockpl 384 3245 0 3225 5 2 3 4 0 8 1 mcl64k 65536 511 0 0 64 24 40 64 0 8 1 mcl16k 16384 3 0 0 1 0 1 1 0 8 0 mcl12k 12288 17 0 0 2 0 2 2 0 8 0 mcl9k 9216 17 0 0 2 0 2 2 0 8 0 mcl8k 8192 6 0 0 1 0 1 1 0 8 0 mcl4k 4096 17 0 0 3 0 3 3 0 8 0 mcl2k2 2112 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 209 0 0 25 5 20 25 0 8 0 mtagpl 80 6 0 0 1 0 1 1 0 8 0 mbufpl 256 637 0 0 37 1 36 36 0 8 0 bufpl 256 14450 0 7420 440 0 440 440 0 8 0 anonpl 16 374600 0 359616 154 91 63 63 0 125 1 amapchunkpl 152 23604 0 23434 42 32 10 12 0 158 2 amappl16 192 19114 0 18329 140 100 40 44 0 8 0 amappl15 184 3840 0 3837 1 0 1 1 0 8 0 amappl14 176 1998 0 1989 1 0 1 1 0 8 0 amappl13 168 6 0 6 1 1 0 1 0 8 0 amappl12 160 9 0 8 1 0 1 1 0 8 0 amappl11 152 60 0 45 1 0 1 1 0 8 0 amappl10 144 80 0 77 1 0 1 1 0 8 0 amappl9 136 597 0 594 1 0 1 1 0 8 0 amappl8 128 165 0 143 1 0 1 1 0 8 0 amappl7 120 37 0 32 1 0 1 1 0 8 0 amappl6 112 62 0 52 1 0 1 1 0 8 0 amappl5 104 145 0 131 1 0 1 1 0 8 0 amappl4 96 2433 0 2401 2 1 1 2 0 8 0 amappl3 88 4197 0 4182 1 0 1 1 0 8 0 amappl2 80 33819 0 33736 4 2 2 3 0 8 0 amappl1 72 95533 0 95087 24 14 10 19 0 8 0 amappl 80 12987 0 12946 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 64 145 0 16 3 0 3 3 0 8 0 uaddrrnd 24 4072 0 4055 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 4072 0 4055 1 0 1 1 0 8 0 vmmpekpl 168 36547 0 36518 2 0 2 2 0 8 0 vmmpepl 168 499952 0 497929 172 80 92 96 0 357 4 vmsppl 368 4071 0 4055 2 0 2 2 0 8 0 pdppl 4096 8152 0 8110 6 0 6 6 0 8 0 pvpl 32 1049355 0 1030603 275 119 156 160 0 265 3 pmappl 232 4071 0 4055 2 1 1 2 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 702 0 36 20 0 20 20 0 8 0