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(ffff80003ca27af0) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd21883208b0, count: -3 ddb> show registers rdi 0x200000001208 rsi 0xdeafbeaddeafbead rbp 0xffff80003ca27a10 rbx 0 rdx 0xffff80003ca22000 rcx 0x1bd5f7d5 rax 0xdeafbead r8 0x7f7fffffc000 r9 0 r10 0x1a8c141a656db6a6 r11 0xffffffff8142b710 copy_fault r12 0xfffffd806e04ef08 r13 0xfffffd80663f9100 r14 0xffff8000012c9700 r15 0x200000001208 rip 0xffffffff8142b637 copyout+0x57 cs 0x8 rflags 0x50203 acpi_pdirpa+0x3c074 rsp 0xffff80003ca27960 ss 0x10 copyout+0x57: repe movsq (%rsi),%es:(%rdi) ddb> show proc PROC (syz-executor) tid=498575 pid=28126 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=0xffff80002a8ac020,0xffff80002a8696e8 process=0xffff8000ffff9158 user=0xffff80003ca22000, vmspace=0xfffffd806c1cc448 estcpu=33, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 68877 108507 82562 0 2 0 syz-executor 68877 283704 82562 0 3 0x4000080 fsleep syz-executor 70825 348261 38774 0 2 0 syz-executor 70825 443832 38774 0 3 0x4000080 fsleep syz-executor 1822 388364 944 0 2 0 syz-executor 1822 501320 944 0 3 0x4000080 fsleep syz-executor 28126 203481 50636 0 2 0 syz-executor *28126 498575 50636 0 7 0x4000000 syz-executor 28126 196912 50636 0 3 0x4000000 futex syz-executor 28126 397165 50636 0 2 0x4000000 syz-executor 93348 246679 76813 0 2 0 syz-executor 93348 361489 76813 0 2 0x4000000 syz-executor 93348 104428 76813 0 3 0x4000080 fsleep syz-executor 19149 515040 80520 0 2 0 syz-executor 19149 136829 80520 0 2 0x4000000 syz-executor 19149 214069 80520 0 3 0x4000080 fsleep syz-executor 53980 157302 83953 0 2 0x1 syz-executor 53980 504621 83953 0 3 0x4000000 futex syz-executor 53980 149173 83953 0 2 0x4000001 syz-executor 87570 30362 1 0 3 0x100083 ttyin getty 9740 410660 29881 0 2 0x2 syz-executor 16481 391132 0 0 3 0x14200 bored sosplice 80520 357332 29881 0 3 0x82 nanoslp syz-executor 83953 191256 29881 0 3 0x82 nanoslp syz-executor 82562 198622 29881 0 3 0x82 nanoslp syz-executor 38774 414276 29881 0 3 0x82 nanoslp syz-executor 50636 471821 29881 0 3 0x82 nanoslp syz-executor 76813 366895 29881 0 3 0x82 nanoslp syz-executor 944 60129 29881 0 3 0x82 nanoslp syz-executor 29881 94344 97978 0 3 0x82 kqread syz-executor 97978 250175 14474 0 3 0x10008a sigsusp ksh 14474 164370 55320 0 3 0x98 kqread sshd-session 55320 266818 12725 0 3 0x92 kqread sshd-session 12725 203310 1 0 3 0x88 kqread sshd 29219 206766 40057 73 3 0x1100090 kqread syslogd 40057 457146 1 0 3 0x100082 sbwait syslogd 16545 283507 1 0 3 0x100080 kqread resolvd 69738 170521 26791 77 3 0x100092 kqread dhcpleased 10691 326267 26791 77 3 0x100092 kqread dhcpleased 26791 262010 1 0 3 0x80 kqread dhcpleased 99473 94261 0 0 3 0x14200 bored smr 87297 183225 0 0 2 0x14200 zerothread 6916 226264 0 0 3 0x14200 aiodoned aiodoned 3503 9221 0 0 3 0x14200 syncer update 6515 64505 0 0 3 0x14200 cleaner cleaner 21721 313085 0 0 3 0x14200 reaper reaper 84063 175292 0 0 3 0x14200 pgdaemon pagedaemon 49789 291923 0 0 3 0x14200 bored viomb 5060 59485 0 0 3 0x40014200 acpi0 acpi0 86730 128080 0 0 3 0x14200 bored softnet3 83296 167004 0 0 3 0x14200 bored softnet2 87846 233621 0 0 3 0x14200 bored softnet1 58564 403250 0 0 3 0x14200 bored softnet0 89240 48170 0 0 3 0x14200 bored systqmp 19643 438399 0 0 3 0x14200 bored systq 86280 88120 0 0 3 0x40014200 tmoslp softclock 15247 422051 0 0 3 0x40014200 idle0 1 277869 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 10181 11130K 11251K 166960K 11949 0 pcb 18 14K 16K 166960K 263 0 rtable 181 9K 12K 166960K 561 0 pf 35 14K 18K 166960K 103 0 ifaddr 35 5K 7K 166960K 64 0 ifgroup 50 2K 2K 166960K 93 0 sysctl 3 1K 1K 166960K 3 0 counters 30 17K 17K 166960K 41 0 ioctlops 0 0K 8K 166960K 194 0 iov 0 0K 24K 166960K 177 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1426 90K 90K 166960K 1989 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 14 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 35 0 dirhash 12 2K 3K 166960K 36 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 18 65K 97K 166960K 1059 0 sigio 0 0K 0K 166960K 48 0 proc 65 67K 124K 166960K 586 0 subproc 72 4K 4K 166960K 84 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 150 0 in_multi 73 5K 7K 166960K 147 0 ether_multi 1 0K 0K 166960K 4 0 mrt 1 0K 0K 166960K 2 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 527 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 212 72K 88K 166960K 11203 0 UVM aobj 53 2K 4K 166960K 55 0 pinsyscall 39 78K 96K 166960K 2126 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 35 0 NDP 11 0K 2K 166960K 43 0 temp 58 6887K 6988K 166960K 33986 0 kqueue 13 20K 30K 166960K 190 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 120 107 0 104 1 0 1 1 0 8 0 rtentry 112 175 0 100 4 0 4 4 0 8 0 unpcb 144 735 0 711 5 1 4 4 0 8 2 syncache 336 4 0 4 1 1 0 1 0 8 0 tcpcb 808 300 0 296 6 3 3 4 0 8 2 arp 88 38 0 23 1 0 1 1 0 8 0 ipq 40 3 0 2 1 0 1 1 0 8 0 ipqe 40 47 0 46 1 0 1 1 0 8 0 inpcb 344 1238 0 1228 11 8 3 8 0 8 2 nd6 104 31 0 14 1 0 1 1 0 8 0 pkpcb 40 6 0 6 3 2 1 1 0 8 1 kcovpl 48 9 0 1 1 0 1 1 0 8 0 ppxss 1072 4 0 4 2 1 1 1 0 8 1 pfstscr 40 15 0 13 1 0 1 1 0 8 0 pfrktable 1344 6 0 4 1 0 1 1 0 8 0 pfanchor 1288 3 0 1 1 0 1 1 0 8 0 pftag 88 4 0 1 1 0 1 1 0 8 0 pfqueue 320 1 0 1 1 0 1 1 0 8 1 pfstitem 24 7 0 0 1 0 1 1 0 8 0 pfstkey 128 36 0 31 1 0 1 1 0 8 0 pfstate 344 25 0 21 1 0 1 1 0 8 0 pfrule 1344 15 0 14 1 0 1 1 0 8 0 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 603 0 262 30 5 25 29 0 8 1 art_table 32 606 0 262 4 0 4 4 0 8 0 art_node 16 172 0 111 1 0 1 1 0 8 0 sysvmsgpl 40 24 0 23 2 1 1 1 0 8 0 semapl 112 31 0 21 1 0 1 1 0 8 0 shmpl 112 52 0 2 2 0 2 2 0 8 0 dirhash 1024 33 0 16 3 0 3 3 0 8 0 dino2pl 256 3122 0 1625 95 0 95 95 0 8 0 ffsino 248 3122 0 1625 95 0 95 95 0 8 0 nchpl 144 4673 0 2995 63 0 63 63 0 8 0 uvmvnodes 80 3636 0 0 75 0 75 75 0 8 0 vnodes 216 3636 0 0 202 0 202 202 0 8 0 namei 1024 15975 0 15975 4 3 1 2 0 8 1 pfiaddrpl 120 1 0 1 1 1 0 1 0 8 0 kstatmem 264 44 0 22 2 0 2 2 0 8 0 scsiplug 72 3 0 3 2 1 1 1 0 8 1 scxspl 216 15816 0 15816 15 14 1 8 1 8 1 plimitpl 152 285 0 268 1 0 1 1 0 8 0 sigapl 424 1341 0 1294 7 1 6 7 0 8 0 futexpl 64 13652 0 13646 1 0 1 1 0 8 0 knotepl 120 38750 0 38703 33 23 10 17 0 8 8 kqueuepl 184 267 0 258 1 0 1 1 0 8 0 pipepl 296 229 0 202 8 5 3 8 0 8 0 fdescpl 440 1323 0 1293 5 1 4 5 0 8 0 filepl 120 7699 0 7479 15 6 9 12 0 8 0 lockfpl 104 430 0 427 1 0 1 1 0 8 0 lockfspl 48 161 0 158 1 0 1 1 0 8 0 sessionpl 144 24 0 16 1 0 1 1 0 8 0 pgrppl 48 44 0 28 1 0 1 1 0 8 0 ucredpl 104 1184 0 1173 1 0 1 1 0 8 0 zombiepl 144 1467 0 1467 1 0 1 1 0 8 1 processpl 1104 1341 0 1294 4 0 4 4 0 8 0 procpl 648 2734 0 2675 6 0 6 6 0 8 0 sosppl 168 15 0 15 3 2 1 1 0 8 1 sockpl 528 2094 0 2056 15 7 8 8 0 8 5 mcl64k 65536 38 0 38 3 2 1 1 0 8 1 mcl16k 16384 16 0 16 3 2 1 1 0 8 1 mcl12k 12288 4 0 4 2 1 1 1 0 8 1 mcl9k 9216 5 0 5 2 1 1 1 0 8 1 mcl8k 8192 52 0 52 3 2 1 1 0 8 1 mcl4k 4096 3836 0 3785 15 7 8 13 0 8 1 mcl2k2 2112 1 0 1 1 0 1 1 0 8 1 mcl2k 2048 1291 0 1289 5 2 3 3 0 8 2 mtagpl 96 139 0 72 4 0 4 4 0 8 1 mbufpl 256 14317 0 14103 32 10 22 29 0 8 1 bufpl 280 6875 0 636 446 0 446 446 0 8 0 anonpl 24 192367 0 189182 71 38 33 45 0 187 7 amapchunkpl 152 37514 0 37042 50 22 28 36 0 158 8 amappl16 200 3529 0 3496 28 23 5 15 0 8 1 amappl15 192 5 0 5 1 1 0 1 0 8 0 amappl14 184 108 0 98 1 0 1 1 0 8 0 amappl13 176 3 0 3 1 1 0 1 0 8 0 amappl12 168 1949 0 1920 2 0 2 2 0 8 0 amappl11 160 42 0 32 1 0 1 1 0 8 0 amappl10 152 11 0 10 1 0 1 1 0 8 0 amappl9 144 244 0 244 2 1 1 1 0 8 1 amappl8 136 28 0 27 1 0 1 1 0 8 0 amappl7 128 105 0 95 1 0 1 1 0 8 0 amappl6 120 184 0 180 1 0 1 1 0 8 0 amappl5 112 135 0 128 1 0 1 1 0 8 0 amappl4 104 297 0 283 1 0 1 1 0 8 0 amappl3 96 7317 0 7209 5 1 4 4 0 8 0 amappl2 88 649 0 593 2 0 2 2 0 8 0 amappl1 80 10568 0 10046 13 1 12 13 0 8 0 amappl 88 10784 0 10620 5 0 5 5 0 92 0 dma4096 4096 1 0 1 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 54 0 2 1 0 1 1 0 8 0 uaddrrnd 24 1323 0 1293 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1323 0 1293 1 0 1 1 0 8 0 vmmpekpl 168 11172 0 11133 3 0 3 3 0 8 0 vmmpepl 168 84230 0 82483 100 19 81 89 0 357 3 vmsppl 360 1322 0 1293 4 1 3 4 0 8 0 rwobjpl 32 26988 0 22453 38 1 37 37 0 8 0 pdppl 4096 2652 0 2586 108 42 66 82 0 8 0 pvpl 32 572498 0 563122 163 64 99 127 0 265 14 pmappl 216 1322 0 1293 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 314 0 81 8 1 7 8 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace copyout() at copyout+0x57 syscall(ffff80003ca27af0) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd21883208b0, count: -3 ddb> machine ddbcpu 1 No such command ddb> trace copyout() at copyout+0x57 syscall(ffff80003ca27af0) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd21883208b0, count: -3