uvm_fault(0xffffffff825ebaf0, 0xffff800000a45000, 0, 1) -> e kernel: page fault trap, code=0 Stopped at memcpy+0x15: repe movsq (%rsi),%es:(%rdi) ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic kernel page fault uvm_fault(0xffffffff825ebaf0, 0xffff800000a45000, 0, 1) -> e memcpy() at memcpy+0x15 end trace frame: 0xffff800020ab74d0, count: 0 ddb{1}> trace memcpy() at memcpy+0x15 sysctl_iflist(0,ffff800020ab7528) at sysctl_iflist+0x255 sys/net/rtsock.c:1981 sysctl_rtable(ffff800020ab75ec,3,127abc747210,ffff800020ab7618,0,0) at sysctl_rtable+0x196 sys/net/rtsock.c:2078 sys_sysctl(ffff800020a773c8,ffff800020ab7680,ffff800020ab76d0) at sys_sysctl+0x20e sys/kern/kern_sysctl.c:251 syscall(ffff800020ab7750) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline] syscall(ffff800020ab7750) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffdf490, count: -6 ddb{1}> show registers rdi 0xffff800000a434e8 rsi 0xffff800000a45000 rbp 0xffff800020ab73d0 rbx 0xe8 rdx 0xe8 rcx 0x5 rax 0xffffffffffffe4e8 r8 0xffff800020ab7528 r9 0x5 r10 0x8dfa10d2c1052ad3 r11 0xffff800000a43428 r12 0xffff800000a44f40 r13 0xe8 r14 0xffff800000a43428 r15 0x6 rip 0xffffffff8142bed5 memcpy+0x15 cs 0x8 rflags 0x10206 __ALIGN_SIZE+0xf206 rsp 0xffff800020ab7318 ss 0x10 memcpy+0x15: repe movsq (%rsi),%es:(%rdi) ddb{1}> show proc PROC (dhclient) pid=516825 stat=onproc flags process=100010 proc=0 pri=50, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff800020a77150,0xffff800020ad8ef0 process=0xffff800020aa2a90 user=0xffff800020ab2000, vmspace=0xfffffd807f000730 estcpu=0, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 75500 234651 67732 0 2 0 syz-executor.1 52424 364717 73563 0 2 0 syz-executor.0 52424 1175 73563 0 7 0x4000080 syz-executor.0 17108 171396 0 0 3 0x14200 acct acct 3137 179368 0 0 3 0x14200 bored sosplice 67732 66892 25746 0 3 0x82 nanosleep syz-executor.1 73563 378528 25746 0 3 0x82 nanosleep syz-executor.0 25746 474287 23326 0 3 0x82 nanosleep syz-fuzzer 25746 476180 23326 0 3 0x4000082 nanosleep syz-fuzzer 25746 368353 23326 0 3 0x4000082 thrsleep syz-fuzzer 25746 135338 23326 0 3 0x4000082 thrsleep syz-fuzzer 25746 35044 23326 0 3 0x4000082 thrsleep syz-fuzzer 25746 159038 23326 0 3 0x4000082 thrsleep syz-fuzzer 25746 519871 23326 0 3 0x4000082 thrsleep syz-fuzzer 25746 152084 23326 0 3 0x4000082 kqread syz-fuzzer 25746 154243 23326 0 3 0x4000082 thrsleep syz-fuzzer 25746 473489 23326 0 3 0x4000082 thrsleep syz-fuzzer 23326 105758 52381 0 3 0x10008a pause ksh 52381 392535 71639 0 3 0x92 select sshd 97388 458079 1 0 3 0x100083 ttyin getty 71639 347230 1 0 3 0x80 select sshd 29897 342758 46593 74 3 0x100092 bpf pflogd 46593 205162 1 0 3 0x80 netio pflogd 64812 237892 20723 73 3 0x100090 kqread syslogd 20723 429881 1 0 3 0x100082 netio syslogd *17593 516825 1 77 7 0x100010 dhclient 56450 221360 1 0 3 0x80 poll dhclient 41153 34839 0 0 3 0x14200 pgzero zerothread 15324 277262 0 0 3 0x14200 aiodoned aiodoned 73510 54973 0 0 3 0x14200 syncer update 24124 494140 0 0 3 0x14200 cleaner cleaner 17449 240478 0 0 3 0x14200 reaper reaper 67546 310514 0 0 3 0x14200 pgdaemon pagedaemon 75509 367601 0 0 3 0x14200 bored crynlk 89784 403238 0 0 3 0x14200 bored crypto 25870 447556 0 0 3 0x40014200 acpi0 acpi0 66917 209190 0 0 3 0x40014200 idle1 6813 257035 0 0 3 0x14200 bored softnet 63684 358682 0 0 3 0x14200 bored systqmp 96166 471756 0 0 3 0x14200 bored systq 88381 122321 0 0 3 0x40014200 bored softclock 85327 305369 0 0 3 0x40014200 idle0 87658 141721 0 0 3 0x14200 bored smr 1 304679 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 17593 (dhclient) thread 0xffff800020a773c8 (516825) exclusive rwlock netlock r = 0 (0xffffffff82461468) #0 witness_lock+0x52e sys/kern/subr_witness.c:1163 #1 sysctl_rtable+0x187 sys/net/rtsock.c:2077 #2 sys_sysctl+0x20e sys/kern/kern_sysctl.c:251 #3 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline] #3 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #4 Xsyscall+0x128 exclusive rwlock sysctllk r = 0 (0xffffffff824fa520) #0 witness_lock+0x52e sys/kern/subr_witness.c:1163 #1 rw_enter+0x453 sys/kern/kern_rwlock.c:309 #2 sys_sysctl+0x1ac sys/kern/kern_sysctl.c:235 #3 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline] #3 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #4 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 1 (0xffffffff82636fe0) #0 witness_lock+0x52e sys/kern/subr_witness.c:1163 #1 syscall+0x400 mi_syscall sys/sys/syscall_mi.h:83 [inline] #1 syscall+0x400 sys/arch/amd64/amd64/trap.c:570 #2 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9492 6406K 7047K 78643K 11091 0 pcb 13 8K 8K 78643K 50 0 rtable 111 4K 5K 78643K 273 0 ifaddr 62 13K 13K 78643K 100 0 counters 39 33K 33K 78643K 39 0 ioctlops 0 0K 4K 78643K 1476 0 iov 0 0K 16K 78643K 26 0 mount 1 1K 1K 78643K 1 0 vnodes 1224 77K 77K 78643K 1370 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 1K 78643K 2 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 1K 78643K 44 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 196K 290K 78643K 12766 0 file desc 6 17K 25K 78643K 191 0 sigio 0 0K 0K 78643K 2 0 proc 61 63K 95K 78643K 455 0 subproc 32 2K 2K 78643K 34 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 9 0 in_multi 47 2K 3K 78643K 52 0 ether_multi 1 0K 0K 78643K 3 0 mrt 0 0K 0K 78643K 8 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 49 228K 228K 78643K 49 0 exec 0 0K 1K 78643K 224 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 7 26K 26K 78643K 7 0 UVM amap 111 21K 26K 78643K 1581 0 UVM aobj 12 2K 2K 78643K 12 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 40 0 NDP 9 0K 0K 78643K 20 0 temp 92 3014K 3149K 78643K 7699 0 kqueue 3 4K 9K 78643K 17 0 SYN cache 2 16K 16K 78643K 2 0 ddb{1}> 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 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 25 0 23 1 0 1 1 0 8 0 rtentry 112 49 0 4 2 0 2 2 0 8 0 unpcb 120 296 0 285 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 sackhl 24 1 0 1 1 0 1 1 0 8 1 tcpqe 32 983 0 983 1 1 0 1 0 8 0 tcpcb 544 84 0 80 2 0 2 2 0 8 1 inpcb 280 241 0 234 2 0 2 2 0 8 1 rttmr 72 3 0 3 2 1 1 1 0 8 1 nd6 48 5 0 0 1 0 1 1 0 8 0 pkpcb 40 4 0 4 1 0 1 1 0 8 1 ppxss 1128 8 0 7 1 0 1 1 0 8 0 pffrag 232 2 0 2 1 1 0 1 0 482 0 pffrnode 88 2 0 2 1 1 0 1 0 8 0 pffrent 40 90 0 90 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 31 0 3 1 0 1 1 0 8 0 pfstkey 112 31 0 3 1 0 1 1 0 8 0 pfstate 328 31 0 3 3 0 3 3 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 256 225 0 0 15 0 15 15 0 8 0 art_table 32 226 0 0 2 0 2 2 0 8 0 art_node 16 48 0 7 1 0 1 1 0 8 0 sysvmsgpl 40 1 0 0 1 0 1 1 0 8 0 semupl 112 6 0 6 2 1 1 1 0 8 1 semapl 112 40 0 30 1 0 1 1 0 8 0 shmpl 112 10 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1675 0 268 46 0 46 46 0 8 0 ffsino 272 1675 0 268 95 0 95 95 0 8 0 nchpl 144 2246 0 637 61 0 61 61 0 8 0 uvmvnodes 72 1838 0 0 34 0 34 34 0 8 0 vnodes 208 1838 0 0 97 0 97 97 0 8 0 namei 1024 6232 0 6232 2 1 1 1 0 8 1 percpumem 16 30 0 0 1 0 1 1 0 8 0 scxspl 192 6716 0 6716 8 7 1 7 0 8 1 plimitpl 152 31 0 23 1 0 1 1 0 8 0 sigapl 432 390 0 374 3 1 2 3 0 8 0 futexpl 56 3697 0 3697 1 0 1 1 0 8 1 knotepl 112 68 0 49 1 0 1 1 0 8 0 kqueuepl 104 154 0 152 1 0 1 1 0 8 0 pipelkpl 48 110 0 100 1 0 1 1 0 8 0 pipepl 120 220 0 201 2 0 2 2 0 8 1 fdescpl 496 391 0 374 3 0 3 3 0 8 0 filepl 152 2825 0 2723 7 1 6 6 0 8 2 lockfpl 104 67 0 66 1 0 1 1 0 8 0 lockfspl 48 27 0 26 1 0 1 1 0 8 0 sessionpl 112 18 0 7 1 0 1 1 0 8 0 pgrppl 48 38 0 27 1 0 1 1 0 8 0 ucredpl 96 244 0 235 1 0 1 1 0 8 0 zombiepl 144 375 0 375 2 1 1 1 0 8 1 processpl 896 409 0 375 4 0 4 4 0 8 0 procpl 632 807 0 763 5 0 5 5 0 8 1 sosppl 128 4 0 4 1 1 0 1 0 8 0 sockpl 384 570 0 550 6 1 5 5 0 8 3 mcl64k 65536 12 0 0 2 0 2 2 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 3 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 1 0 0 1 0 1 1 0 8 0 mcl4k 4096 7 0 0 1 0 1 1 0 8 0 mcl2k 2048 263 0 0 32 0 32 32 0 8 0 mtagpl 80 21 0 0 1 0 1 1 0 8 0 mbufpl 256 304 0 0 18 0 18 18 0 8 0 bufpl 280 6651 0 1344 380 0 380 380 0 8 0 anonpl 16 60597 0 44864 76 2 74 75 0 125 9 amapchunkpl 152 2184 0 2045 10 1 9 9 0 158 2 amappl16 192 2134 0 1284 54 4 50 51 0 8 7 amappl15 184 66 0 61 1 0 1 1 0 8 0 amappl14 176 39 0 35 1 0 1 1 0 8 0 amappl12 160 9 0 7 2 1 1 1 0 8 0 amappl11 152 56 0 40 1 0 1 1 0 8 0 amappl10 144 85 0 79 1 0 1 1 0 8 0 amappl9 136 687 0 683 1 0 1 1 0 8 0 amappl8 128 197 0 175 1 0 1 1 0 8 0 amappl7 120 179 0 166 1 0 1 1 0 8 0 amappl6 112 57 0 52 1 0 1 1 0 8 0 amappl5 104 127 0 112 1 0 1 1 0 8 0 amappl4 96 641 0 611 1 0 1 1 0 8 0 amappl3 88 118 0 109 1 0 1 1 0 8 0 amappl2 80 2226 0 2151 3 1 2 3 0 8 0 amappl1 72 18604 0 18153 26 16 10 21 0 8 0 amappl 80 1057 0 1012 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 dma128 128 253 0 253 1 1 0 1 0 8 0 dma64 64 6 0 6 1 1 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 64 11 0 0 1 0 1 1 0 8 0 uaddrrnd 24 391 0 374 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 391 0 374 1 0 1 1 0 8 0 vmmpekpl 168 7061 0 7033 2 0 2 2 0 8 0 vmmpepl 168 56294 0 54195 119 17 102 111 0 357 10 vmsppl 368 390 0 374 2 0 2 2 0 8 0 pdppl 4096 789 0 748 7 1 6 6 0 8 0 pvpl 32 193587 0 174659 186 4 182 184 0 265 28 pmappl 232 390 0 374 2 1 1 2 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 186 0 5 7 1 6 6 0 8 0