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(ffff80003812f4c0) at syscall+0x97e mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003812f4c0) at syscall+0x97e sys/arch/amd64/amd64/trap.c:579 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xdbd4d2732f0, count: -3 ddb> show registers rdi 0x200000001208 rsi 0xdeadbeefdeadbeef rbp 0xffff80003812f3e0 rbx 0 rdx 0xffff80003812a000 rcx 0x1bd5b7dd rax 0xdeadbeef r8 0x7f7fffffc000 r9 0 r10 0xf800757f0af23c65 r11 0xffffffff819ee850 copy_fault r12 0xfffffd806a606e68 r13 0xfffffd80690fc600 r14 0xffff8000014b2800 r15 0x200000001208 rip 0xffffffff819ee777 copyout+0x57 cs 0x8 rflags 0x50207 acpi_pdirpa+0x3c078 rsp 0xffff80003812f330 ss 0 copyout+0x57: repe movsq (%rsi),%es:(%rdi) ddb> show proc PROC (syz-executor) tid=162782 pid=79198 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=0xffff80002a8b8a70,0xffff80002a7ce028 process=0xffff800034115238 user=0xffff80003812a000, vmspace=0xfffffd806c19e018 estcpu=33, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 3076 140992 70479 0 2 0 syz-executor 3076 317464 70479 0 3 0x4000080 fifow syz-executor 79198 358316 32005 0 2 0 syz-executor *79198 162782 32005 0 7 0x4000000 syz-executor 79198 409588 32005 0 3 0x4000080 fsleep syz-executor 79198 356285 32005 0 2 0x4000000 syz-executor 89991 357615 1295 0 3 0x80 nanoslp syz-executor 89991 80395 1295 0 3 0x4000080 kqpoll syz-executor 89991 226751 1295 0 3 0x4000080 fsleep syz-executor 89991 183542 1295 0 3 0x4000080 fsleep syz-executor 50654 449287 0 0 3 0x14200 acct acct 87606 355395 1 0 3 0x100083 ttyin getty 39199 126474 0 0 3 0x14200 bored sosplice 96933 1702 38132 0 3 0x82 wait syz-executor 70479 507176 38132 0 3 0x82 nanoslp syz-executor 95466 251260 38132 0 2 0x2 syz-executor 63654 157804 38132 0 2 0x2 syz-executor 9285 344228 38132 0 3 0x82 nanoslp syz-executor 1295 30984 38132 0 3 0x82 nanoslp syz-executor 22108 76002 38132 0 3 0x82 nanoslp syz-executor 32005 487104 38132 0 3 0x82 nanoslp syz-executor 38132 252778 34680 0 3 0x82 kqread syz-executor 34680 493345 88177 0 3 0x10008a sigsusp ksh 88177 288742 74171 0 3 0x98 kqread sshd-session 74171 60927 4225 0 3 0x92 kqread sshd-session 4225 322588 1 0 3 0x88 kqread sshd 15319 448080 96872 73 3 0x1100090 kqread syslogd 96872 427617 1 0 3 0x100082 sbwait syslogd 82306 222491 1 0 3 0x100080 kqread resolvd 19373 12622 75811 77 3 0x100092 kqread dhcpleased 14617 42755 75811 77 3 0x100092 kqread dhcpleased 75811 284534 1 0 3 0x80 kqread dhcpleased 38464 433335 0 0 3 0x14200 bored smr 74338 429735 0 0 2 0x14200 zerothread 10051 522854 0 0 3 0x14200 aiodoned aiodoned 30365 476822 0 0 3 0x14200 syncer update 33836 212503 0 0 3 0x14200 cleaner cleaner 14480 498377 0 0 3 0x14200 reaper reaper 80197 261771 0 0 3 0x14200 pgdaemon pagedaemon 69084 514985 0 0 3 0x14200 bored viomb 7239 2760 0 0 3 0x40014200 acpi0 acpi0 91505 499088 0 0 3 0x14200 bored softnet3 21476 233359 0 0 3 0x14200 bored softnet2 16544 419984 0 0 3 0x14200 bored softnet1 40145 422176 0 0 3 0x14200 bored softnet0 88985 44391 0 0 3 0x14200 bored systqmp 1195 15287 0 0 3 0x14200 bored systq 9858 352612 0 0 3 0x40014200 tmoslp softclock 6816 467194 0 0 3 0x40014200 idle0 1 25137 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10200 11124K 11665K 166960K 14034 0 pcb 17 13K 13K 166960K 184 0 rtable 197 8K 9K 166960K 566 0 pf 35 13K 16K 166960K 504 0 ifaddr 39 6K 7K 166960K 92 0 ifgroup 59 2K 2K 166960K 144 0 sysctl 3 1K 9K 166960K 13 0 counters 34 18K 18K 166960K 83 0 ioctlops 0 0K 4K 166960K 333 0 iov 0 0K 16K 166960K 145 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1490 94K 94K 166960K 3014 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 29 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 64 0 dirhash 12 2K 2K 166960K 39 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 16 57K 236K 166960K 1341 0 sigio 0 0K 0K 166960K 157 0 proc 60 59K 100K 166960K 603 0 subproc 72 4K 4K 166960K 83 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 165 0 in_multi 80 6K 7K 166960K 161 0 ether_multi 1 0K 0K 166960K 7 0 mrt 0 0K 0K 166960K 3 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 85 387K 387K 166960K 85 0 exec 0 0K 1K 166960K 503 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 7 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 226 155K 170K 166960K 13494 0 UVM aobj 131 4K 4K 166960K 132 0 pinsyscall 37 74K 98K 166960K 2385 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 53 0 NDP 13 0K 2K 166960K 66 0 temp 76 8687K 8758K 166960K 37754 0 kqueue 14 22K 28K 166960K 206 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 120 172 0 169 3 0 3 3 0 8 2 rtentry 136 154 0 71 4 0 4 4 0 8 0 unpcb 144 956 0 939 8 6 2 7 0 8 1 syncache 336 6 0 6 2 1 1 1 0 8 1 tcpqe 32 3 0 3 2 1 1 1 0 8 1 tcpcb 808 743 0 734 21 13 8 8 0 8 7 arp 88 23 0 7 1 0 1 1 0 8 0 ipq 40 1 0 0 1 0 1 1 0 8 0 ipqe 40 3 0 2 1 0 1 1 0 8 0 inpcb 328 1677 0 1664 24 14 10 13 0 8 8 ip6q 72 1 0 0 1 0 1 1 0 8 0 nd6 104 34 0 15 1 0 1 1 0 8 0 pkpcb 40 57 0 57 3 2 1 1 0 8 1 kcovpl 48 9 0 1 1 0 1 1 0 8 0 ppxss 1072 41 0 41 3 2 1 1 0 8 1 pppxif 1384 3 0 3 2 1 1 1 0 8 1 pfrktable 1344 1 0 1 1 1 0 1 0 8 0 pfanchor 1288 1 0 0 1 0 1 1 0 8 0 pfrule 1344 99 0 65 3 0 3 3 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 661 0 275 31 3 28 29 0 8 2 art_table 32 663 0 275 4 0 4 4 0 8 0 art_node 16 149 0 74 1 0 1 1 0 8 0 sysvmsgpl 40 47 0 43 2 1 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 61 0 51 1 0 1 1 0 8 0 shmpl 112 129 0 1 4 0 4 4 0 8 0 dirhash 1024 35 0 18 3 0 3 3 0 8 0 dino2pl 256 3839 0 2345 95 0 95 95 0 8 0 ffsino 248 3839 0 2345 95 0 95 95 0 8 0 nchpl 144 5669 0 3993 63 0 63 63 0 8 0 rtmask 32 8 0 8 2 1 1 1 0 8 1 uvmvnodes 80 5048 0 0 104 0 104 104 0 8 0 vnodes 216 5048 0 0 281 0 281 281 0 8 0 namei 1024 21074 0 21073 6 3 3 3 0 8 2 kstatmem 264 90 0 64 2 0 2 2 0 8 0 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 scsiplug 72 9 0 9 2 1 1 1 0 8 1 scxspl 216 20983 0 20983 8 7 1 8 1 8 1 plimitpl 152 374 0 358 1 0 1 1 0 8 0 sigapl 424 1613 0 1567 8 1 7 8 0 8 0 knotepl 120 51027 0 50980 39 29 10 17 0 8 8 kqueuepl 184 570 0 558 7 6 1 7 0 8 0 pipepl 296 260 0 233 5 2 3 5 0 8 0 fdescpl 440 1574 0 1546 5 1 4 5 0 8 0 filepl 120 11466 0 11214 21 9 12 17 0 8 3 lockfpl 104 655 0 653 2 0 2 2 0 8 1 lockfspl 48 213 0 211 1 0 1 1 0 8 0 sessionpl 144 26 0 18 1 0 1 1 0 8 0 pgrppl 48 119 0 103 1 0 1 1 0 8 0 ucredpl 104 1926 0 1914 1 0 1 1 0 8 0 zombiepl 144 1901 0 1898 2 1 1 1 0 8 0 processpl 1160 1613 0 1567 5 1 4 5 0 8 0 procpl 656 3472 0 3419 7 1 6 7 0 8 0 sosppl 168 4 0 4 2 1 1 1 0 8 1 sockpl 528 2957 0 2919 29 18 11 14 0 8 8 mcl64k 65536 35 0 35 3 2 1 1 0 8 1 mcl16k 16384 2 0 2 2 2 0 1 0 8 0 mcl9k 9216 3 0 3 3 2 1 1 0 8 1 mcl8k 8192 17 0 16 3 2 1 1 0 8 0 mcl4k 4096 4067 0 4012 15 7 8 15 0 8 0 mcl2k2 2112 2 0 2 1 0 1 1 0 8 1 mcl2k 2048 1474 0 1471 4 2 2 3 0 8 1 mtagpl 96 227 0 63 5 0 5 5 0 8 0 mbufpl 256 17981 0 17686 85 54 31 84 0 8 7 bufpl 280 8941 0 2714 445 0 445 445 0 8 0 anonpl 24 228876 0 225582 66 19 47 47 0 187 18 amapchunkpl 152 57541 0 57071 49 15 34 34 0 158 12 amappl16 200 4333 0 4301 36 24 12 15 0 8 8 amappl15 192 9 0 9 2 1 1 1 0 8 1 amappl14 184 111 0 101 1 0 1 1 0 8 0 amappl13 176 10 0 9 2 1 1 1 0 8 0 amappl12 168 2204 0 2176 3 1 2 3 0 8 0 amappl11 160 44 0 34 1 0 1 1 0 8 0 amappl10 152 5 0 5 1 1 0 1 0 8 0 amappl9 144 245 0 245 2 1 1 1 0 8 1 amappl8 136 29 0 27 1 0 1 1 0 8 0 amappl7 128 102 0 92 1 0 1 1 0 8 0 amappl6 120 188 0 184 1 0 1 1 0 8 0 amappl5 112 117 0 110 1 0 1 1 0 8 0 amappl4 104 315 0 299 1 0 1 1 0 8 0 amappl3 96 9063 0 8956 4 0 4 4 0 8 0 amappl2 88 647 0 591 2 0 2 2 0 8 0 amappl1 80 13473 0 12926 15 1 14 14 0 8 1 amappl 88 12561 0 12402 5 0 5 5 0 92 0 dma65536 65536 1 0 1 1 0 1 1 0 8 1 dma4096 4096 2 0 2 2 1 1 1 0 8 1 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 128 259 0 259 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 72 131 0 1 3 0 3 3 0 8 0 uaddrrnd 24 1574 0 1546 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1574 0 1546 1 0 1 1 0 8 0 vmmpekpl 168 13518 0 13481 3 0 3 3 0 8 0 vmmpepl 168 101727 0 99905 105 10 95 95 0 357 9 vmsppl 360 1573 0 1546 4 1 3 4 0 8 0 rwobjpl 32 32289 0 26255 50 0 50 50 0 8 1 pdppl 4096 3155 0 3092 113 46 67 83 0 8 4 pvpl 32 667528 0 658731 149 25 124 124 0 265 31 pmappl 216 1573 0 1546 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 390 0 137 9 0 9 9 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace copyout() at copyout+0x57 syscall(ffff80003812f4c0) at syscall+0x97e mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003812f4c0) at syscall+0x97e sys/arch/amd64/amd64/trap.c:579 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xdbd4d2732f0, count: -3 ddb> machine ddbcpu 1 No such command ddb> trace copyout() at copyout+0x57 syscall(ffff80003812f4c0) at syscall+0x97e mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003812f4c0) at syscall+0x97e sys/arch/amd64/amd64/trap.c:579 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xdbd4d2732f0, count: -3