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(ffff80003694ff30) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003694ff30) at syscall+0x962 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xeb330c9c510, count: -3 ddb> show registers rdi 0x200000001208 rsi 0xdeafbeaddeafbead rbp 0xffff80003694fe60 rbx 0 rdx 0xffff80003694a000 rcx 0x1bd5f7d5 rax 0xdeafbead r8 0x7f7fffffc000 r9 0 r10 0x2bcd75545ef421bb r11 0xffffffff82bb3410 copy_fault r12 0xfffffd806db53e60 r13 0xfffffd8074745200 r14 0xffff8000015ea800 r15 0x200000001208 rip 0xffffffff82bb3337 copyout+0x57 cs 0x8 rflags 0x50203 acpi_pdirpa+0x3c074 rsp 0xffff80003694fdb0 ss 0x10 copyout+0x57: repe movsq (%rsi),%es:(%rdi) ddb> show proc PROC (syz-executor) tid=51260 pid=84072 tcnt=4 stat=onproc flags process=0 proc=4000000 runpri=36, usrpri=50, slppri=36, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a7e34d0,0xffff80002a7e22b8 process=0xffff80002cd2f6e8 user=0xffff80003694a000, vmspace=0xfffffd8062923b98 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 48960 466779 59150 0 2 0 syz-executor 48960 154644 59150 0 3 0x4000080 fsleep syz-executor 98378 323694 76977 0 2 0 syz-executor 98378 383042 76977 0 3 0x4000080 ttyin syz-executor 69107 331667 90304 0 2 0 syz-executor 69107 176369 90304 0 3 0x4000080 fsleep syz-executor 71026 441581 32 0 2 0 syz-executor 71026 61927 32 0 3 0x4000080 fsleep syz-executor 84072 470671 76463 0 2 0 syz-executor *84072 51260 76463 0 7 0x4000000 syz-executor 84072 358876 76463 0 3 0x4000080 fsleep syz-executor 84072 210650 76463 0 2 0x4000000 syz-executor 70865 83487 86717 0 3 0x3000 suspend syz-executor 70865 452242 86717 0 2 0x4081000 syz-executor 70865 235588 86717 0 3 0x4081000 inode syz-executor 32 51836 61567 0 3 0x82 nanoslp syz-executor 50824 71339 1 0 3 0x100083 ttyin getty 74636 118304 0 0 3 0x14200 bored sosplice 76463 14186 61567 0 3 0x82 nanoslp syz-executor 90304 327945 61567 0 3 0x82 nanoslp syz-executor 76977 311781 61567 0 3 0x82 nanoslp syz-executor 86717 321458 61567 0 3 0x82 nanoslp syz-executor 88977 228302 61567 0 3 0x82 wait syz-executor 59150 151909 61567 0 3 0x82 nanoslp syz-executor 97548 105859 61567 0 3 0x82 nanoslp syz-executor 61567 436676 8924 0 3 0x82 kqread syz-executor 8924 109771 9939 0 3 0x10008a sigsusp ksh 9939 252449 8845 0 3 0x98 kqread sshd-session 8845 93794 77988 0 3 0x92 kqread sshd-session 77988 352726 1 0 3 0x88 kqread sshd 82985 327140 31898 73 3 0x1100090 kqread syslogd 31898 436346 1 0 3 0x100082 sbwait syslogd 1583 120783 1 0 3 0x100080 kqread resolvd 28405 423168 0 0 3 0x14200 bored smr 1073 448975 0 0 2 0x14200 zerothread 4107 329944 0 0 3 0x14200 aiodoned aiodoned 13620 330037 0 0 3 0x14200 syncer update 40347 178291 0 0 3 0x14200 cleaner cleaner 7204 305717 0 0 3 0x14200 reaper reaper 56713 363488 0 0 3 0x14200 pgdaemon pagedaemon 34551 91016 0 0 3 0x14200 bored viomb 23584 292958 0 0 3 0x40014200 acpi0 acpi0 23627 432990 0 0 3 0x14200 bored softnet7 61283 228486 0 0 3 0x14200 bored softnet6 71057 44074 0 0 3 0x14200 bored softnet5 45403 249660 0 0 3 0x14200 bored softnet4 31393 151893 0 0 3 0x14200 bored softnet3 20022 155582 0 0 3 0x14200 bored softnet2 6911 390053 0 0 3 0x14200 bored softnet1 78010 497076 0 0 3 0x14200 bored softnet0 14535 455065 0 0 3 0x14200 bored systqmp 47820 98433 0 0 3 0x14200 bored systq 44392 436306 0 0 3 0x40014200 tmoslp softclock 78122 500230 0 0 3 0x40014200 idle0 1 188945 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 10180 11044K 13193K 166960K 12388 0 pcb 18 14K 16K 166960K 341 0 rtable 210 7K 7K 166960K 420 0 pf 32 13K 17K 166960K 139 0 ifaddr 43 8K 8K 166960K 93 0 ifgroup 50 2K 2K 166960K 153 0 sysctl 4 1K 9K 166960K 16 0 counters 32 17K 18K 166960K 77 0 ioctlops 0 0K 8K 166960K 196 0 iov 0 0K 18K 166960K 86 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1462 92K 93K 166960K 2065 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 24 0 VM map 2 1K 1K 166960K 2 0 sem 24 3K 4K 166960K 217 0 dirhash 12 2K 2K 166960K 24 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 240K 166960K 1013 0 sigio 0 0K 0K 166960K 43 0 proc 54 43K 124K 166960K 602 0 subproc 72 4K 4K 166960K 82 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 101 0 in_multi 102 7K 7K 166960K 140 0 ether_multi 1 0K 0K 166960K 5 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 97 440K 440K 166960K 97 0 exec 0 0K 1K 166960K 517 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 220 134K 166K 166960K 10825 0 UVM aobj 92 3K 3K 166960K 99 0 pinsyscall 33 66K 96K 166960K 2060 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 54 0 NDP 13 0K 2K 166960K 62 0 temp 58 8639K 8717K 166960K 56361 0 kqueue 8 14K 30K 166960K 205 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 120 119 0 118 1 0 1 1 0 8 0 rtentry 136 129 0 39 4 0 4 4 0 8 0 unpcb 144 777 0 767 8 5 3 6 0 8 2 syncache 336 4 0 4 2 1 1 1 0 8 1 tcpqe 32 1 0 1 1 0 1 1 0 8 1 tcpcb 736 403 0 396 12 5 7 7 0 8 6 arp 88 14 0 2 1 0 1 1 0 8 0 ipq 40 2 0 1 1 0 1 1 0 8 0 ipqe 40 4 0 3 1 0 1 1 0 8 0 inpcb 328 1048 0 1038 12 5 7 7 0 8 5 ip6q 72 9 0 2 1 0 1 1 0 8 0 ip6af 40 13 0 6 1 0 1 1 0 8 0 nd6 104 23 0 5 1 0 1 1 0 8 0 pkpcb 40 7 0 7 3 2 1 1 0 8 1 kcovpl 48 9 0 1 1 0 1 1 0 8 0 mppekey 1024 1 0 1 1 1 0 1 0 8 0 ppxss 1072 32 0 32 1 0 1 1 0 8 1 pppxif 1384 6 0 6 2 1 1 1 0 8 1 pfrktable 1344 3 0 3 1 1 0 1 0 8 0 pftag 88 2 0 1 2 1 1 1 0 8 0 pfrule 1344 10 0 10 3 2 1 1 0 8 1 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 601 0 160 31 3 28 30 0 8 0 art_table 40 604 0 160 5 0 5 5 0 8 0 art_node 32 126 0 47 1 0 1 1 0 8 0 sysvmsgpl 40 13 0 10 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 176 0 154 1 0 1 1 0 8 0 shmpl 112 96 0 7 3 0 3 3 0 8 0 dirhash 1024 25 0 8 3 0 3 3 0 8 0 dino2pl 256 3276 0 1780 95 0 95 95 0 8 0 ffsino 256 3276 0 1780 95 0 95 95 0 8 0 nchpl 144 4706 0 3021 63 0 63 63 0 8 0 rtmask 32 5 0 5 1 0 1 1 0 8 1 uvmvnodes 80 3690 0 0 76 0 76 76 0 8 0 vnodes 216 3690 0 0 205 0 205 205 0 8 0 namei 1024 16399 0 16399 5 2 3 3 0 8 3 kstatmem 264 88 0 66 2 0 2 2 0 8 0 scsiplug 72 5 0 5 2 1 1 1 0 8 1 scxspl 216 18344 0 18344 16 14 2 8 1 8 2 plimitpl 152 345 0 327 1 0 1 1 0 8 0 sigapl 424 1300 0 1252 9 2 7 8 0 8 0 knotepl 120 276620 0 276587 22 13 9 16 0 8 7 kqueuepl 184 425 0 418 5 3 2 4 0 8 1 pipepl 304 289 0 261 3 0 3 3 0 8 0 fdescpl 448 1257 0 1230 5 1 4 5 0 8 0 filepl 120 8308 0 8106 17 3 14 14 0 8 7 lockfpl 104 302 0 301 1 0 1 1 0 8 0 lockfspl 48 131 0 130 1 0 1 1 0 8 0 sessionpl 144 24 0 17 1 0 1 1 0 8 0 pgrppl 48 146 0 131 1 0 1 1 0 8 0 ucredpl 104 1372 0 1362 1 0 1 1 0 8 0 zombiepl 144 1587 0 1584 2 1 1 1 0 8 0 processpl 1168 1300 0 1252 7 3 4 6 0 8 0 procpl 664 2732 0 2675 8 2 6 8 0 8 0 sosppl 168 6 0 6 2 1 1 1 0 8 1 sockpl 552 2015 0 1994 15 8 7 12 0 8 4 mcl64k 65536 117 0 116 3 1 2 2 0 8 1 mcl12k 12288 4 0 4 2 1 1 1 0 8 1 mcl8k 8192 77 0 77 3 2 1 1 0 8 1 mcl4k 4096 3634 0 3582 17 9 8 15 0 8 1 mcl2k 2048 1466 0 1459 4 2 2 4 0 8 0 mtagpl 96 5 0 5 2 2 0 1 0 8 0 mbufpl 256 15191 0 15034 26 5 21 21 0 8 7 bufpl 280 6576 0 348 446 0 446 446 0 8 0 anonpl 24 201002 0 194031 103 43 60 60 0 187 6 amapchunkpl 152 36432 0 35857 43 9 34 34 0 158 10 amappl16 200 3954 0 3744 54 34 20 21 0 8 4 amappl15 192 25 0 25 1 1 0 1 0 8 0 amappl14 184 113 0 105 1 0 1 1 0 8 0 amappl13 176 7 0 7 1 1 0 1 0 8 0 amappl12 168 1888 0 1861 3 1 2 3 0 8 0 amappl11 160 42 0 38 1 0 1 1 0 8 0 amappl10 152 7 0 7 1 1 0 1 0 8 0 amappl9 144 257 0 257 1 1 0 1 0 8 0 amappl8 136 35 0 33 1 0 1 1 0 8 0 amappl7 128 102 0 94 1 0 1 1 0 8 0 amappl6 120 182 0 177 1 0 1 1 0 8 0 amappl5 112 113 0 109 1 0 1 1 0 8 0 amappl4 104 274 0 258 1 0 1 1 0 8 0 amappl3 96 7009 0 6898 4 1 3 4 0 8 0 amappl2 88 645 0 604 2 0 2 2 0 8 0 amappl1 80 11572 0 11114 13 1 12 13 0 8 0 amappl 88 9999 0 9825 5 0 5 5 0 92 0 dma8192 8192 2 0 2 1 1 0 1 0 8 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma1024 1024 2 0 1 1 0 1 1 0 8 0 dma256 256 71 0 71 2 2 0 1 0 8 0 dma128 128 254 0 254 2 2 0 1 0 8 0 dma64 64 6 0 6 1 1 0 1 0 8 0 dma32 32 8 0 8 2 1 1 1 0 8 1 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 72 98 0 7 2 0 2 2 0 8 0 uaddrrnd 24 1257 0 1230 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1257 0 1230 1 0 1 1 0 8 0 vmmpekpl 168 11368 0 11340 2 0 2 2 0 8 0 vmmpepl 168 83240 0 81431 112 27 85 100 0 357 3 vmsppl 368 1256 0 1230 4 1 3 4 0 8 0 rwobjpl 40 27006 0 22308 48 0 48 48 0 8 0 pdppl 4096 2521 0 2460 105 42 63 83 0 8 2 pvpl 32 558500 0 546417 189 68 121 141 0 265 7 pmappl 216 1256 0 1230 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 426 0 82 11 0 11 11 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace copyout() at copyout+0x57 syscall(ffff80003694ff30) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003694ff30) at syscall+0x962 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xeb330c9c510, count: -3 ddb> machine ddbcpu 1 No such command ddb> trace copyout() at copyout+0x57 syscall(ffff80003694ff30) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003694ff30) at syscall+0x962 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xeb330c9c510, count: -3