kernel: protection fault trap, code=0 Stopped at copyout+0x57: repe movsq (%rsi),%es:(%rdi) ddb> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic the kernel did not panic ddb> trace copyout() at copyout+0x57 syscall(ffff80002a8f4fe0) at syscall+0x97e mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80002a8f4fe0) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x9eb99222be0, count: -3 ddb> show registers rdi 0x200000001208 rsi 0xdeafbeaddeafbead rbp 0xffff80002a8f4f00 rbx 0 rdx 0xffff80002a8f0000 rcx 0x1bd5f7d5 rax 0xdeafbead r8 0x7f7fffffc000 r9 0 r10 0xeaeec80c59fc0282 r11 0xffffffff81f45cc0 copy_fault r12 0xfffffd8069892cf8 r13 0xfffffd805d941000 r14 0xffff800001424600 r15 0x200000001208 rip 0xffffffff81f45be7 copyout+0x57 cs 0x8 rflags 0x50203 acpi_pdirpa+0x3c074 rsp 0xffff80002a8f4e50 ss 0x10 copyout+0x57: repe movsq (%rsi),%es:(%rdi) ddb> show proc PROC (syz-executor) tid=189840 pid=85613 tcnt=4 stat=onproc flags process=0 proc=4000000 runpri=36, usrpri=83, slppri=36, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003a94b210,0xffff80003a94af90 process=0xffff80002a794d10 user=0xffff80002a8f0000, vmspace=0xfffffd806c091448 estcpu=33, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 28124 298312 44371 0 3 0 futex syz-executor 28124 357245 44371 0 3 0x4000080 fsleep syz-executor 28124 483448 44371 0 3 0x4000080 fsleep syz-executor 28124 136066 44371 0 3 0x4000080 fsleep syz-executor 20912 132135 62816 0 2 0 syz-executor 20912 79252 62816 0 3 0x4000000 futex syz-executor 29111 307940 18998 0 2 0 syz-executor 29111 415172 18998 0 2 0x4000000 syz-executor 29111 77597 18998 0 3 0x4000080 fsleep syz-executor 29111 368173 18998 0 3 0x4000080 fsleep syz-executor 85613 184947 82860 0 2 0 syz-executor *85613 189840 82860 0 7 0x4000000 syz-executor 85613 238009 82860 0 3 0x4000000 futex syz-executor 85613 318167 82860 0 2 0x4000000 syz-executor 18998 508343 41483 0 3 0x82 nanoslp syz-executor 96452 179361 41483 0 3 0x82 piperd syz-executor 82860 431876 41483 0 3 0x82 nanoslp syz-executor 40416 345684 0 0 3 0x14280 nfsidl nfsio 70209 24449 0 0 3 0x14280 nfsidl nfsio 47395 462731 0 0 3 0x14280 nfsidl nfsio 20896 219673 0 0 3 0x14280 nfsidl nfsio 93612 318402 0 0 3 0x14280 nfsidl nfsio 14806 433600 0 0 3 0x14280 nfsidl nfsio 86596 468070 0 0 3 0x14280 nfsidl nfsio 63108 263626 0 0 3 0x14280 nfsidl nfsio 73996 232198 0 0 3 0x14280 nfsidl nfsio 15615 114369 0 0 3 0x14280 nfsidl nfsio 31440 439762 0 0 3 0x14280 nfsidl nfsio 11033 503595 0 0 3 0x14280 nfsidl nfsio 8943 478687 0 0 3 0x14280 nfsidl nfsio 27561 326016 0 0 3 0x14280 nfsidl nfsio 95821 509816 0 0 3 0x14280 nfsidl nfsio 50558 254254 0 0 3 0x14280 nfsidl nfsio 91267 359523 0 0 3 0x14280 nfsidl nfsio 64923 117055 0 0 3 0x14280 nfsidl nfsio 14066 408718 0 0 3 0x14280 nfsidl nfsio 2858 284368 0 0 3 0x14280 nfsidl nfsio 78480 88913 0 0 3 0x14200 bored sosplice 44371 171426 41483 0 3 0x82 nanoslp syz-executor 45610 216640 41483 0 2 0x2 syz-executor 62816 511213 41483 0 3 0x82 nanoslp syz-executor 55706 255262 41483 0 3 0x82 piperd syz-executor 41483 386017 76459 0 3 0x82 wait syz-executor 76459 112614 70980 0 3 0x10008a sigsusp ksh 70980 199812 8366 0 3 0x98 kqread sshd-session 8366 187130 89398 0 3 0x92 kqread sshd-session 42416 38965 1 0 3 0x100083 ttyin getty 89398 519662 1 0 3 0x88 kqread sshd 45403 72491 50640 73 3 0x1100090 kqread syslogd 50640 447857 1 0 3 0x100082 sbwait syslogd 53277 460382 1 0 3 0x100080 kqread resolvd 48231 507229 47104 77 3 0x100092 kqread dhcpleased 18389 390954 47104 77 3 0x100092 kqread dhcpleased 47104 362610 1 0 3 0x80 kqread dhcpleased 84322 68762 0 0 3 0x14200 bored smr 62505 214440 0 0 2 0x14200 zerothread 44288 96977 0 0 3 0x14200 aiodoned aiodoned 20138 280876 0 0 3 0x14200 syncer update 97445 41984 0 0 3 0x14200 cleaner cleaner 64286 218810 0 0 3 0x14200 reaper reaper 89776 49864 0 0 3 0x14200 pgdaemon pagedaemon 20471 128421 0 0 3 0x14200 bored viomb 58642 239556 0 0 3 0x40014200 acpi0 acpi0 89237 502067 0 0 3 0x14200 bored softnet3 94329 241939 0 0 3 0x14200 bored softnet2 3574 349904 0 0 3 0x14200 bored softnet1 5892 523646 0 0 3 0x14200 bored softnet0 62327 287556 0 0 3 0x14200 bored systqmp 62921 39623 0 0 3 0x14200 bored systq 62817 96318 0 0 3 0x40014200 tmoslp softclock 18466 516245 0 0 3 0x40014200 idle0 1 20504 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10183 11115K 11426K 166960K 12613 0 pcb 17 14K 16K 166960K 213 0 rtable 216 8K 9K 166960K 1039 0 pf 33 13K 17K 166960K 123 0 ifaddr 39 7K 8K 166960K 151 0 ifgroup 46 2K 2K 166960K 184 0 sysctl 4 1K 1K 166960K 4 0 counters 29 17K 17K 166960K 74 0 ioctlops 0 0K 4K 166960K 192 0 iov 0 0K 16K 166960K 47 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1431 90K 90K 166960K 2156 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 20 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 27 0 dirhash 12 2K 2K 166960K 21 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 14 49K 97K 166960K 1130 0 sigio 0 0K 0K 166960K 21 0 proc 60 59K 124K 166960K 1092 0 subproc 72 4K 4K 166960K 252 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 85 0 in_multi 85 6K 7K 166960K 347 0 ether_multi 1 0K 0K 166960K 6 0 mrt 0 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 73 334K 334K 166960K 73 0 exec 0 0K 1K 166960K 731 0 fusefs mount 1 32K 32K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 196 142K 154K 166960K 10530 0 UVM aobj 26 2K 2K 166960K 29 0 pinsyscall 35 70K 96K 166960K 2672 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 48 0 NDP 10 0K 2K 166960K 103 0 temp 62 8676K 8794K 166960K 29018 0 kqueue 13 20K 28K 166960K 140 0 SYN cache 2 16K 16K 166960K 2 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle rtpcb 120 159 0 156 2 1 1 2 0 8 0 rtentry 136 350 0 255 4 0 4 4 0 8 0 unpcb 144 624 0 609 6 0 6 6 0 8 5 syncache 336 3 0 3 1 1 0 1 0 8 0 tcpcb 808 241 0 236 11 7 4 8 0 8 3 arp 88 61 0 43 1 0 1 1 0 8 0 ipq 40 2 0 1 1 0 1 1 0 8 0 ipqe 40 2 0 1 1 0 1 1 0 8 0 inpcb 344 1095 0 1087 18 9 9 12 0 8 7 nd6 104 89 0 67 1 0 1 1 0 8 0 pkpcb 40 3 0 3 2 1 1 1 0 8 1 kcovpl 48 28 0 20 1 0 1 1 0 8 0 mppekey 1024 1 0 1 1 0 1 1 0 8 1 ppxss 1072 15 0 15 2 1 1 1 0 8 1 pppxif 1384 5 0 5 1 1 0 1 0 8 0 pfstscr 40 2 0 1 2 1 1 1 0 8 0 pfrktable 1344 5 0 2 1 0 1 1 0 8 0 pfanchor 1288 1 0 0 1 0 1 1 0 8 0 pftag 88 2 0 0 1 0 1 1 0 8 0 pfqueue 320 2 0 1 1 0 1 1 0 8 0 pfstitem 24 2 0 0 1 0 1 1 0 8 0 pfstkey 128 4 0 2 2 1 1 1 0 8 0 pfstate 344 2 0 1 2 1 1 1 0 8 0 pfrule 1344 2 0 0 1 0 1 1 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 1407 0 1023 31 2 29 30 0 8 3 art_table 32 1409 0 1023 4 0 4 4 0 8 0 art_node 16 347 0 266 1 0 1 1 0 8 0 sysvmsgpl 40 15 0 9 1 0 1 1 0 8 0 semapl 112 25 0 15 1 0 1 1 0 8 0 shmpl 112 26 0 3 1 0 1 1 0 8 0 dirhash 1024 23 0 6 3 0 3 3 0 8 0 dino2pl 256 2902 0 1371 97 0 97 97 0 8 1 ffsino 248 2902 0 1371 96 0 96 96 0 8 0 nchpl 144 4108 0 2374 65 0 65 65 0 8 0 rtmask 32 1 0 1 1 0 1 1 0 8 1 uvmvnodes 80 3550 0 0 73 0 73 73 0 8 0 vnodes 216 3550 0 0 198 0 198 198 0 8 0 namei 1024 15247 0 15247 2 1 1 2 0 8 1 pfiaddrpl 120 2 0 0 1 0 1 1 0 8 0 kstatmem 264 94 0 74 2 0 2 2 0 8 0 scsiplug 72 1 0 1 1 0 1 1 0 8 1 scxspl 216 13107 0 13107 9 7 2 8 1 8 2 plimitpl 152 182 0 166 1 0 1 1 0 8 0 sigapl 424 1388 0 1325 8 0 8 8 0 8 0 futexpl 64 11095 0 11089 1 0 1 1 0 8 0 knotepl 120 29959 0 29912 19 8 11 14 0 8 8 kqueuepl 184 281 0 272 3 0 3 3 0 8 2 pipepl 296 319 0 292 10 0 10 10 0 8 7 fdescpl 440 1351 0 1325 5 1 4 5 0 8 0 filepl 120 7222 0 7013 15 1 14 14 0 8 6 lockfpl 104 215 0 213 1 0 1 1 0 8 0 lockfspl 48 92 0 90 1 0 1 1 0 8 0 sessionpl 144 41 0 33 1 0 1 1 0 8 0 pgrppl 48 84 0 68 1 0 1 1 0 8 0 ucredpl 104 1084 0 1073 1 0 1 1 0 8 0 zombiepl 144 1580 0 1579 1 0 1 1 0 8 0 processpl 1112 1388 0 1325 5 0 5 5 0 8 0 procpl 656 2524 0 2451 9 1 8 8 0 8 1 sosppl 168 3 0 3 2 1 1 1 0 8 1 sockpl 528 1891 0 1865 23 13 10 19 0 8 7 mcl64k 65536 14 0 14 2 1 1 1 0 8 1 mcl8k 8192 19 0 19 2 1 1 1 0 8 1 mcl4k 4096 3365 0 3313 15 6 9 13 0 8 1 mcl2k 2048 1130 0 1127 4 1 3 3 0 8 2 mtagpl 96 199 0 17 5 0 5 5 0 8 0 mbufpl 256 12631 0 12313 27 1 26 26 0 8 3 bufpl 280 5074 0 121 354 0 354 354 0 8 0 anonpl 24 209523 0 206572 87 43 44 69 0 187 16 amapchunkpl 152 33933 0 33551 30 5 25 26 0 158 3 amappl16 200 3772 0 3741 40 29 11 24 0 8 8 amappl15 192 6 0 6 1 1 0 1 0 8 0 amappl14 184 145 0 135 1 0 1 1 0 8 0 amappl13 176 5 0 4 1 0 1 1 0 8 0 amappl12 168 2280 0 2253 3 1 2 3 0 8 0 amappl11 160 46 0 36 1 0 1 1 0 8 0 amappl10 152 20 0 20 1 1 0 1 0 8 0 amappl9 144 250 0 250 1 1 0 1 0 8 0 amappl8 136 22 0 21 1 0 1 1 0 8 0 amappl7 128 138 0 128 1 0 1 1 0 8 0 amappl6 120 375 0 371 1 0 1 1 0 8 0 amappl5 112 194 0 187 1 0 1 1 0 8 0 amappl4 104 344 0 328 1 0 1 1 0 8 0 amappl3 96 6599 0 6514 4 1 3 4 0 8 0 amappl2 88 886 0 828 2 0 2 2 0 8 0 amappl1 80 13372 0 12830 14 2 12 14 0 8 0 amappl 88 9415 0 9281 5 0 5 5 0 92 0 dma16384 16384 1 0 1 1 1 0 1 0 8 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma2048 2048 2 0 2 1 1 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma128 128 254 0 254 2 1 1 1 0 8 1 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 72 28 0 3 1 0 1 1 0 8 0 uaddrrnd 24 1351 0 1325 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1351 0 1325 1 0 1 1 0 8 0 vmmpekpl 168 11721 0 11676 3 0 3 3 0 8 0 vmmpepl 168 89710 0 88001 111 16 95 101 0 357 11 vmsppl 360 1350 0 1325 4 1 3 4 0 8 0 rwobjpl 32 28774 0 24377 36 0 36 36 0 8 0 pdppl 4096 2708 0 2650 114 48 66 82 0 8 8 pvpl 32 569375 0 560606 156 54 102 136 0 265 19 pmappl 216 1350 0 1325 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 317 0 73 9 1 8 8 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace copyout() at copyout+0x57 syscall(ffff80002a8f4fe0) at syscall+0x97e mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80002a8f4fe0) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x9eb99222be0, count: -3 ddb> machine ddbcpu 1 No such command ddb> trace copyout() at copyout+0x57 syscall(ffff80002a8f4fe0) at syscall+0x97e mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80002a8f4fe0) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x9eb99222be0, count: -3