login: uvm_fault(0xffffffff825345e8, 0xffff800000a4f000, 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(0xffffffff825345e8, 0xffff800000a4f000, 0, 1) -> e memcpy() at memcpy+0x15 end trace frame: 0xffff800020ab7c30, count: 0 ddb{1}> trace memcpy() at memcpy+0x15 sysctl_iflist(0,ffff800020ab7c88) at sysctl_iflist+0x255 sys/net/rtsock.c:1981 sysctl_rtable(ffff800020ab7d4c,3,1fff6bac0000,ffff800020ab7d78,0,0) at sysctl_rtable+0x196 sys/net/rtsock.c:2078 sys_sysctl(ffff800020a7c4e8,ffff800020ab7de0,ffff800020ab7e30) at sys_sysctl+0x20e sys/kern/kern_sysctl.c:252 syscall(ffff800020ab7eb0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020ab7eb0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffbd7b0, count: -6 ddb{1}> show registers rdi 0xffff800000a30ee8 rsi 0xffff800000a4f000 rbp 0xffff800020ab7b30 rbx 0xe8 rdx 0xe8 rcx 0x5 rax 0xfffffffffffe1ee8 r8 0xffff800020ab7c88 r9 0x5 r10 0xbb34c737b7efbf35 r11 0xffff800000a30e28 r12 0xffff800000a4ef40 r13 0xe8 r14 0xffff800000a30e28 r15 0x6 rip 0xffffffff81e2e945 memcpy+0x15 cs 0x8 rflags 0x10206 __ALIGN_SIZE+0xf206 rsp 0xffff800020ab7a78 ss 0x10 memcpy+0x15: repe movsq (%rsi),%es:(%rdi) ddb{1}> show proc PROC (dhclient) pid=293268 stat=onproc flags process=100010 proc=0 pri=24, usrpri=51, nice=20 forw=0xffffffffffffffff, list=0xffff800020a7c278,0xffff800020ae13a0 process=0xffff800020a912d0 user=0xffff800020ab2000, vmspace=0xfffffd807f000450 estcpu=1, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 57280 466209 98631 0 2 0 syz-executor.1 57280 338847 98631 0 7 0x4000000 syz-executor.1 57280 498673 98631 0 3 0x4000080 fsleep syz-executor.1 35711 523653 89941 0 3 0x80 nanosleep syz-executor.0 35711 363656 89941 0 3 0x4000080 fsleep syz-executor.0 35711 471013 89941 0 3 0x4000080 fsleep syz-executor.0 93662 216111 1 0 3 0x100083 ttyin getty 94305 334665 0 0 3 0x14200 bored sosplice 98631 174818 73448 0 3 0x82 nanosleep syz-executor.1 89941 509260 73448 0 3 0x82 nanosleep syz-executor.0 73448 461067 4641 0 3 0x82 kqread syz-fuzzer 73448 308516 4641 0 3 0x4000082 thrsleep syz-fuzzer 73448 92852 4641 0 3 0x4000082 thrsleep syz-fuzzer 73448 405581 4641 0 3 0x4000082 thrsleep syz-fuzzer 73448 161394 4641 0 3 0x4000082 thrsleep syz-fuzzer 73448 380826 4641 0 3 0x4000082 thrsleep syz-fuzzer 73448 352612 4641 0 3 0x4000082 thrsleep syz-fuzzer 73448 314774 4641 0 3 0x4000082 thrsleep syz-fuzzer 73448 167360 4641 0 3 0x4000082 thrsleep syz-fuzzer 73448 174492 4641 0 3 0x4000082 thrsleep syz-fuzzer 4641 423739 25328 0 3 0x10008a pause ksh 25328 237553 54139 0 3 0x92 select sshd 54139 98604 1 0 3 0x80 select sshd 5702 62986 24820 74 3 0x100092 bpf pflogd 24820 11888 1 0 3 0x80 netio pflogd 1853 477773 17458 73 3 0x100090 kqread syslogd 17458 340929 1 0 3 0x100082 netio syslogd *29754 293268 1 77 7 0x100010 dhclient 55985 273420 1 0 2 0 dhclient 17873 76055 0 0 3 0x14200 pgzero zerothread 45456 215604 0 0 3 0x14200 aiodoned aiodoned 56948 144308 0 0 3 0x14200 syncer update 77905 285934 0 0 3 0x14200 cleaner cleaner 88272 414173 0 0 3 0x14200 reaper reaper 74861 162540 0 0 3 0x14200 pgdaemon pagedaemon 88993 341536 0 0 3 0x14200 bored crynlk 89147 348672 0 0 3 0x14200 bored crypto 17384 264624 0 0 3 0x40014200 acpi0 acpi0 22042 479744 0 0 3 0x40014200 idle1 49582 470074 0 0 3 0x14200 bored softnet 5954 28395 0 0 3 0x14200 bored systqmp 58930 163682 0 0 3 0x14200 bored systq 35685 232374 0 0 3 0x40014200 bored softclock 75044 298771 0 0 3 0x40014200 idle0 64952 80388 0 0 3 0x14200 bored smr 1 502419 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 29754 (dhclient) thread 0xffff800020a7c4e8 (293268) exclusive rwlock netlock r = 0 (0xffffffff824742a8) #0 witness_lock+0x52e sys/kern/subr_witness.c:1164 #1 sysctl_rtable+0x187 sys/net/rtsock.c:2077 #2 sys_sysctl+0x20e sys/kern/kern_sysctl.c:252 #3 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #3 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #4 Xsyscall+0x128 exclusive rwlock sysctllk r = 0 (0xffffffff824f0850) #0 witness_lock+0x52e sys/kern/subr_witness.c:1164 #1 rw_enter+0x453 sys/kern/kern_rwlock.c:309 #2 sys_sysctl+0x1ac sys/kern/kern_sysctl.c:236 #3 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #3 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #4 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 1 (0xffffffff8262c6a0) #0 witness_lock+0x52e sys/kern/subr_witness.c:1164 #1 syscall+0x400 mi_syscall sys/sys/syscall_mi.h:93 [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 9515 6423K 7583K 78643K 11203 0 pcb 13 8K 8K 78643K 68 0 rtable 98 3K 3K 78643K 279 0 ifaddr 76 15K 15K 78643K 125 0 counters 45 34K 34K 78643K 55 0 ioctlops 0 0K 4K 78643K 1475 0 iov 0 0K 16K 78643K 29 0 mount 1 1K 1K 78643K 1 0 vnodes 1228 77K 77K 78643K 1389 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 7 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 34 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 196K 290K 78643K 12766 0 file desc 6 17K 25K 78643K 217 0 sigio 1 0K 0K 78643K 3 0 proc 61 63K 95K 78643K 475 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 38 0 in_multi 51 2K 2K 78643K 133 0 ether_multi 1 0K 0K 78643K 18 0 mrt 0 0K 0K 78643K 2 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 238 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 33K 78643K 1703 0 UVM aobj 18 2K 2K 78643K 18 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 58 0 NDP 12 0K 0K 78643K 24 0 temp 133 3018K 3082K 78643K 5383 0 kqueue 3 4K 18K 78643K 25 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 35 0 33 1 0 1 1 0 8 0 rtentry 112 59 0 19 2 0 2 2 0 8 0 unpcb 120 185 0 173 1 0 1 1 0 8 0 syncache 264 5 0 5 2 2 0 1 0 8 0 tcpqe 32 587 0 587 1 1 0 1 0 8 0 tcpcb 544 138 0 131 1 0 1 1 0 8 0 inpcb 280 699 0 688 3 1 2 3 0 8 1 nd6 48 7 0 5 1 0 1 1 0 8 0 pkpcb 40 4 0 4 1 1 0 1 0 8 0 pffrag 232 5 0 5 1 0 1 1 0 482 1 pffrnode 88 5 0 5 1 0 1 1 0 8 1 pffrent 40 225 0 225 1 0 1 1 0 8 1 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 29 0 3 1 0 1 1 0 8 0 pfstkey 112 29 0 3 1 0 1 1 0 8 0 pfstate 328 29 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 256 283 0 102 14 0 14 14 0 8 0 art_table 32 284 0 102 2 0 2 2 0 8 0 art_node 16 58 0 20 1 0 1 1 0 8 0 sysvmsgpl 40 35 0 28 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 30 0 20 1 0 1 1 0 8 0 shmpl 112 16 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1708 0 295 46 0 46 46 0 8 0 ffsino 272 1708 0 295 95 0 95 95 0 8 0 nchpl 144 2218 0 606 61 0 61 61 0 8 0 uvmvnodes 72 1884 0 0 35 0 35 35 0 8 0 vnodes 208 1884 0 0 100 0 100 100 0 8 0 namei 1024 6180 0 6180 1 0 1 1 0 8 1 percpumem 16 38 0 5 1 0 1 1 0 8 0 vmpool 560 2 0 2 1 0 1 1 0 8 1 scsiplug 64 1 0 1 1 1 0 1 0 8 0 scxspl 192 6737 0 6737 7 4 3 6 0 8 3 plimitpl 152 22 0 14 1 0 1 1 0 8 0 sigapl 432 417 0 401 3 1 2 3 0 8 0 futexpl 56 4848 0 4845 1 0 1 1 0 8 0 knotepl 112 76 0 57 1 0 1 1 0 8 0 kqueuepl 104 49 0 47 1 0 1 1 0 8 0 pipelkpl 48 151 0 140 1 0 1 1 0 8 0 pipepl 120 302 0 281 2 1 1 2 0 8 0 fdescpl 496 418 0 401 3 0 3 3 0 8 0 filepl 152 3119 0 3011 6 0 6 6 0 8 1 lockfpl 104 92 0 91 1 0 1 1 0 8 0 lockfspl 48 30 0 29 1 0 1 1 0 8 0 sessionpl 112 19 0 8 1 0 1 1 0 8 0 pgrppl 48 39 0 28 1 0 1 1 0 8 0 ucredpl 96 292 0 283 1 0 1 1 0 8 0 zombiepl 144 401 0 401 1 0 1 1 0 8 1 processpl 960 434 0 401 5 0 5 5 0 8 0 procpl 624 923 0 877 4 0 4 4 0 8 0 sosppl 128 4 0 4 1 1 0 1 0 8 0 sockpl 400 935 0 909 6 1 5 5 0 8 2 mcl64k 65536 9 0 0 2 0 2 2 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 5 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 3 0 0 1 0 1 1 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 163 0 0 20 0 20 20 0 8 0 mtagpl 80 24 0 0 1 0 1 1 0 8 0 mbufpl 256 346 0 0 21 0 21 21 0 8 0 bufpl 280 4613 0 193 316 0 316 316 0 8 0 anonpl 16 55328 0 38054 76 6 70 75 0 125 0 amapchunkpl 152 2106 0 1962 8 1 7 8 0 158 0 amappl16 192 2008 0 1064 53 5 48 52 0 8 0 amappl15 184 67 0 63 1 0 1 1 0 8 0 amappl14 176 120 0 117 1 0 1 1 0 8 0 amappl12 160 14 0 13 1 0 1 1 0 8 0 amappl11 152 57 0 42 1 0 1 1 0 8 0 amappl10 144 104 0 100 1 0 1 1 0 8 0 amappl9 136 598 0 595 1 0 1 1 0 8 0 amappl8 128 131 0 103 2 0 2 2 0 8 0 amappl7 120 196 0 183 1 0 1 1 0 8 0 amappl6 112 58 0 51 1 0 1 1 0 8 0 amappl5 104 151 0 134 1 0 1 1 0 8 0 amappl4 96 679 0 645 1 0 1 1 0 8 0 amappl3 88 122 0 114 1 0 1 1 0 8 0 amappl2 80 2452 0 2369 3 1 2 3 0 8 0 amappl1 72 19343 0 18876 26 16 10 20 0 8 0 amappl 80 1177 0 1129 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 17 0 0 1 0 1 1 0 8 0 uaddrrnd 24 420 0 403 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 420 0 403 1 0 1 1 0 8 0 vmmpekpl 168 7409 0 7377 2 0 2 2 0 8 0 vmmpepl 168 58647 0 56417 120 13 107 115 0 357 10 vmsppl 368 419 0 403 2 0 2 2 0 8 0 pdppl 4096 847 0 806 6 0 6 6 0 8 0 pvpl 32 180261 0 159180 180 6 174 180 0 265 3 pmappl 232 419 0 403 3 1 2 2 0 8 1 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 183 0 4 6 0 6 6 0 8 0