uvm_fault(0xffffffff82619730, 0xffff800000bf9000, 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(0xffffffff82619730, 0xffff800000bf9000, 0, 1) -> e strlcpy(ffff800000a46e90,ffff800000bf8ee2,20) at strlcpy+0xcf sys/lib/libkern/strlcpy.c:44 end trace frame: 0xffff80002299cac0, count: 0 ddb{0}> trace strlcpy(ffff800000a46e90,ffff800000bf8ee2,20) at strlcpy+0xcf sys/lib/libkern/strlcpy.c:44 rtlabel_name2id(ffff800000bf8ee2) at rtlabel_name2id+0x13d sys/net/route.c:1614 rtrequest(1,ffff80002299cc78,0,ffff80002299cbe8,0) at rtrequest+0x653 sys/net/route.c:893 rtm_output(ffff800000bf8e00,ffff80002299cd28,ffff80002299cc78,0,0) at rtm_output+0x62f sys/net/rtsock.c:901 route_output(fffffd806d79fb00,fffffd8070ca7620,0,0) at route_output+0x7c4 sys/net/rtsock.c:819 route_usrreq(fffffd8070ca7620,9,fffffd806d79fb00,0,0,ffff800020ace7a0) at route_usrreq+0x363 sys/net/rtsock.c:275 sosend(fffffd8070ca7620,0,ffff80002299cf10,0,0,80) at sosend+0x645 sys/kern/uipc_socket.c:524 sendit(ffff800020ace7a0,3,ffff80002299cff0,0,ffff80002299d0d0) at sendit+0x52b sys/kern/uipc_syscalls.c:662 sys_sendto(ffff800020ace7a0,ffff80002299d088,ffff80002299d0d0) at sys_sendto+0x80 sys/kern/uipc_syscalls.c:527 syscall(ffff80002299d150) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline] syscall(ffff80002299d150) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555 Xsyscall(6,0,ffffffffffffffd8,0,6,e589e85010) at Xsyscall+0x128 end of kernel end trace frame: 0xe8106695f0, count: -11 ddb{0}> show registers rdi 0xffffffff820850c5 strlcpy+0xc5 rsi 0x5d6 rbp 0xffff80002299ca70 rbx 0xffff800000bf9001 rdx 0x5d7 rcx 0xffff800022d92000 rax 0xffff800022d92000 r8 0x38 r9 0x5 r10 0xc2018a981c37124f r11 0x4d5cdbb3793b0acc r12 0 r13 0x27 r14 0xffff800000bf8ee2 r15 0x4a rip 0xffffffff820850cf strlcpy+0xcf cs 0x8 rflags 0x10282 __ALIGN_SIZE+0xf282 rsp 0xffff80002299ca20 ss 0x10 strlcpy+0xcf: movzbl 0xffffffffffffffff(%rbx),%r15d ddb{0}> show proc PROC (syz-executor.1) pid=50273 stat=onproc flags process=0 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800020acf180,0xffffffff82623e60 process=0xffff800020a8b510 user=0xffff800022998000, vmspace=0xfffffd807f00b000 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 48645 142264 13245 0 2 0 syz-executor.1 *48645 50273 13245 0 7 0x4000000 syz-executor.1 53534 394216 29763 60929 3 0x90 nanosleep syz-executor.0 53534 509811 29763 60929 2 0x4000490 syz-executor.0 53534 177663 29763 60929 3 0x4000090 fsleep syz-executor.0 29763 505600 57012 0 3 0x82 nanosleep syz-executor.0 13245 359817 57012 0 2 0x482 syz-executor.1 28009 5433 1 0 3 0x100083 ttyin getty 58914 504221 0 0 3 0x14200 acct acct 39764 122245 0 0 3 0x14200 bored sosplice 57012 254116 39452 0 3 0x82 thrsleep syz-fuzzer 57012 497506 39452 0 3 0x4000082 thrsleep syz-fuzzer 57012 200350 39452 0 3 0x4000082 thrsleep syz-fuzzer 57012 15675 39452 0 3 0x4000082 thrsleep syz-fuzzer 57012 173101 39452 0 3 0x4000082 thrsleep syz-fuzzer 57012 309820 39452 0 3 0x4000082 kqread syz-fuzzer 57012 189639 39452 0 3 0x4000082 thrsleep syz-fuzzer 57012 518449 39452 0 3 0x4000082 thrsleep syz-fuzzer 57012 296589 39452 0 3 0x4000082 thrsleep syz-fuzzer 57012 167090 39452 0 3 0x4000082 thrsleep syz-fuzzer 39452 390492 21500 0 3 0x10008a pause ksh 21500 372398 96279 0 3 0x92 select sshd 96279 369288 1 0 3 0x80 select sshd 75309 15185 53623 74 3 0x100092 bpf pflogd 53623 277399 1 0 3 0x80 netio pflogd 30050 163706 73322 73 7 0x100090 syslogd 73322 401960 1 0 3 0x100082 netio syslogd 68354 432794 1 77 3 0x100090 poll dhclient 62858 478297 1 0 3 0x80 poll dhclient 25880 236779 0 0 3 0x14200 pgzero zerothread 71685 313397 0 0 3 0x14200 aiodoned aiodoned 38231 150024 0 0 3 0x14200 syncer update 26021 400359 0 0 3 0x14200 cleaner cleaner 86546 363306 0 0 3 0x14200 reaper reaper 96959 210444 0 0 3 0x14200 pgdaemon pagedaemon 54442 327458 0 0 3 0x14200 bored crynlk 49252 164988 0 0 3 0x14200 bored crypto 95612 36160 0 0 3 0x40014200 acpi0 acpi0 55686 290626 0 0 3 0x40014200 idle1 14276 403003 0 0 3 0x14200 bored softnet 6861 10427 0 0 3 0x14200 bored systqmp 43228 29742 0 0 3 0x14200 bored systq 78374 437896 0 0 3 0x40014200 bored softclock 27486 489420 0 0 3 0x40014200 idle0 79990 331976 0 0 3 0x14200 bored smr 1 111754 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 48645 (syz-executor.1) thread 0xffff800020ace7a0 (50273) exclusive rwlock netlock r = 0 (0xffffffff8245d068) #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 (0xffffffff82622500) #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{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim Kern Lim devbuf 9593 6460K 7662K 78643K 21423 0 0 pcb 13 10K 12K 78643K 990 0 0 rtable 117 14K 15K 78643K 2417 0 0 ifaddr 80 19K 21K 78643K 830 0 0 counters 39 33K 33K 78643K 39 0 0 ioctlops 0 0K 4K 78643K 1823 0 0 iov 0 0K 16K 78643K 702 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1220 77K 77K 78643K 6032 0 0 UFS quota 1 32K 32K 78643K 1 0 0 UFS mount 5 36K 36K 78643K 5 0 0 shm 3 5K 5K 78643K 88 0 0 VM map 2 1K 1K 78643K 20 0 0 sem 12 0K 0K 78643K 1925 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1808 196K 290K 78643K 12765 0 0 file desc 6 17K 25K 78643K 6561 0 0 sigio 0 0K 0K 78643K 126 0 0 proc 62 63K 95K 78643K 1948 0 0 subproc 32 2K 2K 78643K 397 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 747 0 0 in_multi 24 1K 2K 78643K 494 0 0 ether_multi 1 0K 0K 78643K 38 0 0 mrt 0 0K 0K 78643K 31 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 144 636K 636K 78643K 144 0 0 exec 0 0K 1K 78643K 978 0 0 pfkey data 0 0K 4K 78643K 2 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 115 22K 31K 78643K 23619 0 0 UVM aobj 130 4K 4K 78643K 133 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 1079 0 0 NDP 19 0K 0K 78643K 256 0 0 temp 221 3556K 3637K 78643K 65459 0 0 kqueue 0 0K 0K 78643K 56 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 60 0 53 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 358 0 355 1 0 1 1 0 8 0 rtentry 112 305 0 266 2 0 2 2 0 8 0 unpcb 120 16276 0 16235 18 16 2 3 0 8 0 syncache 264 25 0 25 12 11 1 1 0 8 1 sackhl 24 1 0 1 1 1 0 1 0 8 0 tcpqe 32 4835 0 4835 2 2 0 1 0 8 0 tcpcb 544 2498 0 2486 14 6 8 12 0 8 7 inpcb 280 5958 0 5941 24 16 8 9 0 8 6 rttmr 72 5 0 5 4 4 0 1 0 8 0 ip6q 72 1 0 1 1 1 0 1 0 8 0 nd6 48 47 0 45 3 2 1 1 0 8 0 pkpcb 40 33 0 33 12 12 0 1 0 8 0 ppxss 1128 118 0 118 14 14 0 1 0 8 0 pffrag 232 12 0 12 7 7 0 1 0 482 0 pffrnode 88 12 0 12 7 7 0 1 0 8 0 pffrent 40 30 0 30 7 7 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 24 208 0 183 1 0 1 1 0 8 0 pfstkey 112 209 0 184 2 0 2 2 0 8 0 pfstate 328 209 0 184 4 1 3 4 0 8 0 pfrule 1360 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 7 0 6 7 6 1 3 0 8 0 art_heap4 256 1229 0 1055 22 8 14 15 0 8 0 art_table 32 1236 0 1061 2 0 2 2 0 8 0 art_node 16 291 0 256 1 0 1 1 0 8 0 sysvmsgpl 40 138 0 115 1 0 1 1 0 8 0 semupl 112 3 0 3 1 1 0 1 0 8 0 semapl 112 1923 0 1913 1 0 1 1 0 8 0 shmpl 112 131 0 3 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 11363 0 9953 46 0 46 46 0 8 0 ffsino 272 11363 0 9953 95 0 95 95 0 8 0 nchpl 144 20752 0 19139 61 0 61 61 0 8 0 uvmvnodes 72 6600 0 0 120 0 120 120 0 8 0 vnodes 208 6600 0 0 348 0 348 348 0 8 0 namei 1024 69848 0 69848 3 2 1 1 0 8 1 percpumem 16 30 0 0 1 0 1 1 0 8 0 vmpool 552 18 0 18 8 8 0 1 0 8 0 scsiplug 64 10 0 10 7 6 1 1 0 8 1 scxspl 192 61563 0 61563 36 35 1 7 0 8 1 plimitpl 152 627 0 619 1 0 1 1 0 8 0 sigapl 432 6701 0 6685 3 1 2 3 0 8 0 futexpl 56 139028 0 139027 1 0 1 1 0 8 0 knotepl 112 1761 0 1742 10 9 1 3 0 8 0 kqueuepl 104 1952 0 1948 6 3 3 4 0 8 2 pipepl 112 4640 0 4621 18 17 1 2 0 8 0 fdescpl 488 6702 0 6685 3 0 3 3 0 8 0 filepl 152 58839 0 58704 44 33 11 14 0 8 5 lockfpl 104 2034 0 2033 1 0 1 1 0 8 0 lockfspl 48 672 0 671 1 0 1 1 0 8 0 sessionpl 112 42 0 31 1 0 1 1 0 8 0 pgrppl 48 813 0 801 1 0 1 1 0 8 0 ucredpl 96 7680 0 7669 1 0 1 1 0 8 0 zombiepl 144 6685 0 6685 3 2 1 1 0 8 1 processpl 896 6719 0 6685 4 0 4 4 0 8 0 procpl 632 21758 0 21712 8 3 5 5 0 8 0 srpgc 64 42 0 42 18 18 0 1 0 8 0 sosppl 128 104 0 104 22 22 0 1 0 8 0 sockpl 384 22731 0 22672 60 48 12 15 0 8 6 mcl64k 65536 25 0 0 3 0 3 3 0 8 0 mcl16k 16384 19 0 0 3 1 2 3 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 17 0 0 3 0 3 3 0 8 0 mcl4k 4096 17 0 0 3 1 2 3 0 8 0 mcl2k2 2112 8 0 0 1 0 1 1 0 8 0 mcl2k 2048 126 0 0 15 2 13 15 0 8 0 mtagpl 80 91 0 0 2 0 2 2 0 8 0 mbufpl 256 401 0 0 14 0 14 14 0 8 0 bufpl 256 25798 0 18750 441 0 441 441 0 8 0 anonpl 16 629322 0 614008 203 125 78 80 0 124 7 amapchunkpl 152 42988 0 42879 62 54 8 19 0 158 2 amappl16 192 32164 0 31266 187 133 54 57 0 8 8 amappl15 184 1277 0 1277 2 2 0 1 0 8 0 amappl14 176 774 0 773 2 1 1 1 0 8 0 amappl13 168 1646 0 1644 5 4 1 1 0 8 0 amappl12 160 943 0 940 1 0 1 1 0 8 0 amappl11 152 1171 0 1153 1 0 1 1 0 8 0 amappl10 144 951 0 948 1 0 1 1 0 8 0 amappl9 136 1256 0 1250 1 0 1 1 0 8 0 amappl8 128 787 0 749 4 2 2 2 0 8 0 amappl7 120 1062 0 1054 1 0 1 1 0 8 0 amappl6 112 1130 0 1116 1 0 1 1 0 8 0 amappl5 104 1263 0 1247 1 0 1 1 0 8 0 amappl4 96 6346 0 6308 2 1 1 2 0 8 0 amappl3 88 2024 0 2018 1 0 1 1 0 8 0 amappl2 80 53507 0 53424 3 1 2 3 0 8 0 amappl1 72 157488 0 157017 26 16 10 20 0 8 0 amappl 80 22359 0 22320 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 64 132 0 3 3 0 3 3 0 8 0 uaddrrnd 24 6720 0 6685 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 6720 0 6685 1 0 1 1 0 8 0 vmmpekpl 168 57360 0 57323 2 0 2 2 0 8 0 vmmpepl 168 835404 0 833231 373 269 104 136 0 357 6 vmsppl 368 6701 0 6685 2 0 2 2 0 8 0 pdppl 4096 13447 0 13406 7 1 6 6 0 8 0 pvpl 32 1715462 0 1696833 410 223 187 191 0 265 21 pmappl 232 6719 0 6703 11 10 1 2 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 639 0 30 18 0 18 18 0 8 0