kernel: protection fault trap, code=0 Stopped at sys_semop+0x3d5: movzwl 0(%rax),%r15d ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic the kernel did not panic ddb{0}> trace sys_semop(ffff80003c44ea90,ffff80003c465b30,ffff80003c465a80) at sys_semop+0x3d5 sys/kern/sysv_sem.c:617 syscall(ffff80003c465b30) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c465b30) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7a3b383d00, count: -3 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff80003c465a50 rbx 0xdeafbeaddeafbead rdx 0 rcx 0xffff80003c44ea90 rax 0xdeafbeaddeafbead r8 0x7f7fffffc000 r9 0 r10 0xf1f93a9c1268e0d6 r11 0x44ad9b7db1179fd0 r12 0 r13 0xfffffd806c85d540 r14 0xffff80003c465b30 r15 0 rip 0xffffffff813191e5 sys_semop+0x3d5 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80003c465960 ss 0x10 sys_semop+0x3d5: movzwl 0(%rax),%r15d ddb{0}> show proc PROC (syz-executor) tid=152721 pid=14657 tcnt=3 stat=onproc flags process=0 proc=4000000 runpri=50, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003c44fcb8,0xffff80003c44fa30 process=0xffff8000fffee698 user=0xffff80003c460000, vmspace=0xfffffd806c780208 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 14657 115108 44988 0 2 0 syz-executor *14657 152721 44988 0 7 0x4000000 syz-executor 14657 372787 44988 0 2 0x4000080 syz-executor 82206 190292 8926 0 2 0 syz-executor 82206 482254 8926 0 3 0x4000000 smrbar syz-executor 29194 164530 45011 0 3 0x3000 suspend syz-executor 29194 32936 45011 0 2 0x4081000 syz-executor 29194 480176 45011 0 3 0x4081000 fltagain2 syz-executor 57696 223902 41958 0 3 0x82 wait syz-executor 44988 265617 41958 0 3 0x82 nanoslp syz-executor 20639 165879 0 0 3 0x14200 acct acct 32652 332259 41958 0 3 0x82 nanoslp syz-executor 10990 198070 0 0 3 0x14280 nfsidl nfsio 83063 122700 0 0 3 0x14280 nfsidl nfsio 87123 104979 0 0 3 0x14280 nfsidl nfsio 94671 441621 0 0 3 0x14280 nfsidl nfsio 45011 62047 41958 0 3 0x82 nanoslp syz-executor 12853 517936 1 0 3 0x100083 ttyopn getty 8926 505663 41958 0 3 0x82 nanoslp syz-executor 98014 61901 41958 0 7 0x2 syz-executor 14370 177287 41958 0 2 0x2 syz-executor 40703 30749 41958 0 3 0x82 wait syz-executor 41958 316156 64791 0 2 0x2 syz-executor 64791 484847 81810 0 3 0x10008a sigsusp ksh 81810 328412 40627 0 3 0x98 kqread sshd-session 40627 353187 91386 0 3 0x92 kqread sshd-session 91386 227232 1 0 3 0x88 kqread sshd 5403 254453 27573 74 3 0x1100092 bpf pflogd 27573 63718 1 0 3 0x80 sbwait pflogd 75310 152592 91228 73 3 0x1100090 kqread syslogd 91228 327046 1 0 3 0x100082 sbwait syslogd 22031 307877 1 0 3 0x100080 kqread resolvd 3682 435425 72623 77 3 0x100092 kqread dhcpleased 55772 355190 72623 77 3 0x100092 kqread dhcpleased 72623 208447 1 0 3 0x80 kqread dhcpleased 60900 74472 0 0 3 0x14200 bored smr 65114 414699 0 0 2 0x14200 zerothread 93667 35800 0 0 3 0x14200 aiodoned aiodoned 6099 270571 0 0 3 0x14200 syncer update 32720 250440 0 0 3 0x14200 cleaner cleaner 5815 978 0 0 3 0x14200 reaper reaper 96992 331891 0 0 3 0x14200 pgdaemon pagedaemon 91139 383083 0 0 3 0x14200 bored viomb 65432 32183 0 0 3 0x40014200 acpi0 acpi0 75313 185197 0 0 3 0x40014200 idle1 78531 259710 0 0 3 0x14200 bored softnet1 1097 384570 0 0 3 0x14200 bored softnet0 29614 441556 0 0 3 0x14200 bored systqmp 33992 327682 0 0 3 0x14200 bored systq 48547 267975 0 0 3 0x14200 tmoslp softclockmp 95410 348526 0 0 3 0x40014200 tmoslp softclock 32700 468734 0 0 3 0x40014200 idle0 1 14859 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{0}> show all locks Process 14657 (syz-executor) thread 0xffff80003c44ea90 (152721) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83903108) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 #2 malloc+0xe3 sys/kern/kern_malloc.c:175 #3 sys_semop+0x22f sys/kern/sysv_sem.c:-1 #4 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #4 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #5 Xsyscall+0x128 Process 82206 (syz-executor) thread 0xffff80002a2607e0 (482254) exclusive rwlock clonelk r = 0 (0xffffffff837fadb8) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 if_clone_destroy+0x93 sys/net/if.c:-1 #3 ifioctl+0x59d sys/net/if.c:2159 #4 sys_ioctl+0x674 sys/kern/sys_generic.c:-1 #5 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #5 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 #6 Xsyscall+0x128 Process 29194 (syz-executor) thread 0xffff80003c44efc0 (32936) exclusive rrwlock inode r = 0 (0xfffffd806e75c7f0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vn_write+0x18f sys/kern/vfs_vnops.c:405 #6 dofilewritev+0x242 sys/kern/sys_generic.c:380 #7 sys_write+0xa2 sys/kern/sys_generic.c:300 #8 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 #9 Xsyscall+0x128 Process 98014 (syz-executor) thread 0xffff80002a261a08 (61901) exclusive rwlock vmmaplk r = 0 (0xfffffd806c780120) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5165 #3 uvmspace_fork+0x12b sys/uvm/uvm_map.c:3746 #4 process_new+0x577 sys/kern/kern_fork.c:281 #5 fork1+0x3f6 sys/kern/kern_fork.c:-1 #6 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #7 Xsyscall+0x128 exclusive rwlock vmmaplk r = 0 (0xfffffd800b063100) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5165 #3 uvmspace_fork+0x44 sys/uvm/uvm_map.c:3737 #4 process_new+0x577 sys/kern/kern_fork.c:281 #5 fork1+0x3f6 sys/kern/kern_fork.c:-1 #6 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #7 Xsyscall+0x128 Process 14370 (syz-executor) thread 0xffff8000ffffdc90 (177287) exclusive rwlock vmmaplk r = 0 (0xfffffd806c7804f0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5165 #3 uvmspace_fork+0x12b sys/uvm/uvm_map.c:3746 #4 process_new+0x577 sys/kern/kern_fork.c:281 #5 fork1+0x3f6 sys/kern/kern_fork.c:-1 #6 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #7 Xsyscall+0x128 exclusive rwlock vmmaplk r = 0 (0xfffffd800b063c70) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5165 #3 uvmspace_fork+0x44 sys/uvm/uvm_map.c:3737 #4 process_new+0x577 sys/kern/kern_fork.c:281 #5 fork1+0x3f6 sys/kern/kern_fork.c:-1 #6 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #7 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11104 12304K 13520K 166960K 13973 0 pcb 17 16K 18K 166960K 420 0 rtable 171 8K 9K 166960K 696 0 pf 33 17K 81K 166960K 226 0 ifaddr 34 6K 8K 166960K 137 0 ifgroup 51 2K 2K 166960K 216 0 sysctl 4 1K 9K 166960K 13 0 counters 68 36K 37K 166960K 296 0 ioctlops 0 0K 4K 166960K 1893 0 iov 0 0K 24K 166960K 70 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1485 93K 94K 166960K 2814 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 33 0 VM map 2 1K 1K 166960K 2 0 sem 14 136K 136K 166960K 72 0 dirhash 12 2K 3K 166960K 45 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 240K 166960K 1539 0 sigio 0 0K 0K 166960K 24 0 proc 72 115K 180K 166960K 857 0 subproc 72 4K 4K 166960K 126 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 312 0 in_multi 61 4K 7K 166960K 219 0 ether_multi 1 0K 0K 166960K 14 0 mrt 1 0K 0K 166960K 18 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 253 1129K 1129K 166960K 253 0 exec 0 0K 1K 166960K 583 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 241 163K 183K 166960K 14960 0 UVM aobj 42 3K 6K 166960K 49 0 pinsyscall 43 86K 105K 166960K 2806 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 123 0 NDP 11 0K 2K 166960K 99 0 temp 78 8680K 8923K 166960K 77187 0 kqueue 13 20K 37K 166960K 278 0 SYN cache 2 8K 16K 166960K 3 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 26 0 0 1 0 1 1 0 8 0 rtpcb 120 263 0 260 4 3 1 3 0 8 0 rtentry 176 204 0 139 6 0 6 6 0 8 0 unpcb 144 1420 0 1402 9 7 2 6 0 8 1 syncache 336 10 0 10 3 3 0 1 0 8 0 tcpqe 32 3 0 3 2 2 0 1 0 8 0 tcpcb 736 435 0 428 8 7 1 7 0 8 0 arp 136 31 0 21 1 0 1 1 0 8 0 inpcb 328 1645 0 1633 13 11 2 7 0 8 0 nd6 152 47 0 32 2 0 2 2 0 8 0 pkpcb 40 13 0 13 4 3 1 1 0 8 1 kcovpl 48 14 0 6 1 0 1 1 0 8 0 ppxss 1192 98 0 98 3 2 1 1 0 8 1 pppxif 1504 4 0 4 2 2 0 1 0 8 0 pfstscr 40 1 0 1 1 1 0 1 0 8 0 pffrag 232 9 0 4 1 0 1 1 0 482 0 pffrnode 88 7 0 2 1 0 1 1 0 8 0 pffrent 40 15 0 10 1 0 1 1 0 8 0 pfosfp 40 1428 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfrktable 1344 2 0 2 2 2 0 1 0 8 0 pfanchor 1288 1 0 0 1 0 1 1 0 8 0 pfstitem 24 99 0 25 1 0 1 1 0 8 0 pfstkey 128 101 0 27 3 0 3 3 0 8 0 pfstate 448 100 0 26 9 0 9 9 0 8 0 pfrule 1344 26 0 19 2 1 1 2 0 8 0 rttmr 136 2 0 2 2 2 0 1 0 8 0 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 955 0 642 34 10 24 31 0 8 2 art_table 40 958 0 642 5 0 5 5 0 8 0 art_node 32 204 0 149 1 0 1 1 0 8 0 sysvmsgpl 40 14 0 6 1 0 1 1 0 8 0 semupl 112 4 0 4 3 3 0 1 0 8 0 semapl 112 64 0 53 1 0 1 1 0 8 0 shmpl 112 45 0 6 2 0 2 2 0 8 0 dirhash 1024 40 0 23 3 0 3 3 0 8 0 dino2pl 256 4306 0 2795 96 0 96 96 0 8 0 ffsino 296 4306 0 2795 118 0 118 118 0 8 0 nchpl 144 6214 0 4497 64 0 64 64 0 8 0 rtmask 32 10 0 10 4 3 1 1 0 8 1 vnodes 216 5123 0 0 285 0 285 285 0 8 0 namei 1024 22095 0 22095 2 1 1 1 0 8 1 percpumem 16 163 0 114 1 0 1 1 0 8 0 vcpupl 3968 1 0 1 1 1 0 1 0 8 0 vmpool 848 1 0 1 1 1 0 1 0 8 0 kstatmem 264 144 0 118 6 3 3 3 0 8 1 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 scsiplug 72 6 0 6 3 2 1 1 0 8 1 scxspl 216 30981 0 30981 14 12 2 8 1 8 2 plimitpl 152 508 0 490 1 0 1 1 0 8 0 sigapl 424 1803 0 1750 8 2 6 7 0 8 0 knotepl 120 648 0 0 20 0 20 20 0 8 0 kqueuepl 224 473 0 464 4 3 1 3 0 8 0 pipepl 344 250 0 222 3 0 3 3 0 8 0 fdescpl 528 1780 0 1748 3 0 3 3 0 8 0 filepl 160 12693 0 12469 24 11 13 19 0 8 1 lockfpl 104 554 0 551 1 0 1 1 0 8 0 lockfspl 48 195 0 192 1 0 1 1 0 8 0 sessionpl 144 35 0 26 1 0 1 1 0 8 0 pgrppl 48 59 0 42 1 0 1 1 0 8 0 ucredpl 104 2418 0 2403 1 0 1 1 0 8 0 zombiepl 144 1827 0 1823 1 0 1 1 0 8 0 processpl 1232 1803 0 1750 5 0 5 5 0 8 0 procpl 664 3973 0 3915 7 0 7 7 0 8 0 sosppl 176 4 0 4 2 1 1 1 0 8 1 sockpl 752 3368 0 3335 36 29 7 19 0 8 1 mcl64k 65536 18 0 0 3 0 3 3 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 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 118 0 0 15 0 15 15 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 91 0 0 11 0 11 11 0 8 0 mtagpl 96 9 0 0 1 0 1 1 0 8 0 mbufpl 256 1170 0 0 74 0 74 74 0 8 0 bufpl 280 12673 0 6536 439 0 439 439 0 8 0 anonpl 32 10093 0 0 82 0 82 82 0 246 0 amapchunkpl 152 57183 0 56654 48 20 28 36 0 158 4 amappl16 200 5799 0 5769 50 35 15 18 0 8 7 amappl15 192 5 0 5 2 2 0 1 0 8 0 amappl14 184 6 0 6 1 1 0 1 0 8 0 amappl13 176 498 0 497 1 0 1 1 0 8 0 amappl12 168 2191 0 2150 3 0 3 3 0 8 0 amappl11 160 6 0 5 2 1 1 1 0 8 0 amappl10 152 50 0 36 1 0 1 1 0 8 0 amappl9 144 253 0 253 1 1 0 1 0 8 0 amappl8 136 26 0 23 1 0 1 1 0 8 0 amappl7 128 103 0 101 1 0 1 1 0 8 0 amappl6 120 358 0 345 1 0 1 1 0 8 0 amappl5 112 80 0 70 1 0 1 1 0 8 0 amappl4 104 483 0 454 1 0 1 1 0 8 0 amappl3 96 8827 0 8737 4 1 3 3 0 8 0 amappl2 88 1919 0 1842 2 0 2 2 0 8 0 amappl1 80 17104 0 16514 15 0 15 15 0 8 0 amappl 88 13876 0 13713 5 0 5 5 0 92 0 uvmvnodes 80 150 0 0 4 0 4 4 0 8 0 dma8192 8192 1 0 1 1 1 0 1 0 8 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 dma512 512 1 0 1 1 1 0 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma128 128 256 0 256 3 3 0 1 0 8 0 dma64 64 8 0 8 2 2 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 48 0 7 1 0 1 1 0 8 0 uaddrrnd 24 1781 0 1749 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1781 0 1749 1 0 1 1 0 8 0 vmmpekpl 168 14679 0 14621 3 0 3 3 0 8 0 vmmpepl 168 118768 0 116869 111 12 99 101 0 357 4 vmsppl 488 1780 0 1749 5 0 5 5 0 8 0 rwobjpl 80 33315 0 32195 32 3 29 30 0 8 0 pdppl 4096 3571 0 3500 108 37 71 83 0 8 0 pvpl 32 18691 0 0 154 3 151 152 0 265 0 pmappl 256 1781 0 1750 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 379 0 62 10 0 10 10 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace sys_semop(ffff80003c44ea90,ffff80003c465b30,ffff80003c465a80) at sys_semop+0x3d5 sys/kern/sysv_sem.c:617 syscall(ffff80003c465b30) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c465b30) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7a3b383d00, count: -3 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp ddb{1}> trace x86_ipi_db(ffff8000299ddff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff83902f00) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83902f00) at __mp_lock+0x192 sys/kern/kern_lock.c:173 __mp_acquire_count(ffffffff83902f00,1) at __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 pool_get(ffffffff839e0120,1) at pool_get+0x27e sys/kern/subr_pool.c:591 uvm_mapent_alloc(fffffd806c780020,0) at uvm_mapent_alloc+0x354 sys/uvm/uvm_map.c:-1 uvm_map_mkentry(fffffd806c780020,fffffd806949e8d0,fffffd806949e8d0,ffc3db02000,10000,0,94b1d697f8eea5fd,10000) at uvm_map_mkentry+0x87 sys/uvm/uvm_map.c:-1 uvm_mapent_clone(fffffd806c780020,ffc3db02000,10000,0,3,7,f1692108d1d3c437,fffffd800f821548,ffff80002a3629a8,fffffd806c780020) at uvm_mapent_clone+0xba sys/uvm/uvm_map.c:3475 uvm_mapent_forkcopy(1,fffffd806c780020,fffffd800b063000,fffffd800f821548,ffff80002a3629a8) at uvm_mapent_forkcopy+0x6f sys/uvm/uvm_map.c:3567 uvmspace_fork(ffff8000ffff5ce8) at uvmspace_fork+0x299 sys/uvm/uvm_map.c:3770 process_new(ffff80003c44e030,ffff8000ffff5ce8,1) at process_new+0x577 sys/kern/kern_fork.c:281 fork1(ffff80002a261a08,1,ffffffff81b4e6c0,0,ffff80002a362b80,0) at fork1+0x3f6 sys/kern/kern_fork.c:-1 syscall(ffff80002a362c30) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a362c30) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x703e38bc9110, count: -15