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(ffff80002a388038,ffff80003c473550,ffff80003c4734a0) at sys_semop+0x3d5 sys/kern/sysv_sem.c:617 syscall(ffff80003c473550) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c473550) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x15cb7c3b470, count: -3 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff80003c473470 rbx 0xdead4110dead6b10 rdx 0 rcx 0xffff80002a388038 rax 0xdead4110dead6b10 r8 0x7f7fffffc000 r9 0 r10 0x6ad6871c52721af7 r11 0xc57c91fd78789d15 r12 0 r13 0xfffffd806d81a1c0 r14 0xffff80003c473550 r15 0 rip 0xffffffff81807605 sys_semop+0x3d5 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80003c473380 ss 0x10 sys_semop+0x3d5: movzwl 0(%rax),%r15d ddb{0}> show proc PROC (syz-executor) tid=204405 pid=52773 tcnt=3 stat=onproc flags process=0 proc=4000000 runpri=83, usrpri=83, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a388568,0xffff80002a388aa8 process=0xffff8000fff9f9f0 user=0xffff80003c46e000, vmspace=0xfffffd806caee9a0 estcpu=33, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 41804 66158 8608 0 2 0 syz-executor 52773 120195 87401 0 2 0 syz-executor *52773 204405 87401 0 7 0x4000000 syz-executor 52773 56384 87401 0 3 0x4000080 fsleep syz-executor 17034 394070 78341 0 2 0 syz-executor 17034 520062 78341 0 3 0x4000080 fsleep syz-executor 6171 376817 96419 0 2 0 syz-executor 6171 318659 96419 0 3 0x4000080 fsleep syz-executor 31690 248178 37537 0 2 0x2 syz-executor 39273 145858 0 0 3 0x14200 acct acct 9378 401060 37537 0 7 0x2 syz-executor 42857 49167 37537 0 2 0x2 syz-executor 96419 141687 37537 0 3 0x82 nanoslp syz-executor 87401 255636 37537 0 3 0x82 nanoslp syz-executor 8608 218449 37537 0 3 0x82 nanoslp syz-executor 78341 479188 37537 0 3 0x82 nanoslp syz-executor 89169 182538 37537 0 3 0x82 nanoslp syz-executor 37537 426134 10520 0 2 0x3 syz-executor 10520 183997 53503 0 3 0x10008a sigsusp ksh 53503 209770 71035 0 3 0x98 kqread sshd-session 71035 426482 68497 0 3 0x92 kqread sshd-session 65637 476984 1 0 3 0x100083 ttyopn getty 68497 24277 1 0 3 0x88 kqread sshd 56029 388007 55705 74 3 0x1100092 bpf pflogd 55705 18016 1 0 3 0x80 sbwait pflogd 92446 191645 24186 73 3 0x1100090 kqread syslogd 24186 185380 1 0 3 0x100082 sbwait syslogd 65808 727 1 0 3 0x100080 kqread resolvd 33981 147830 54712 77 3 0x100092 kqread dhcpleased 96649 75075 54712 77 3 0x100092 kqread dhcpleased 54712 48049 1 0 3 0x80 kqread dhcpleased 33757 246180 0 0 3 0x14200 bored smr 58297 334918 0 0 2 0x14200 zerothread 14955 281995 0 0 3 0x14200 aiodoned aiodoned 20987 453495 0 0 3 0x14200 syncer update 96198 139124 0 0 3 0x14200 cleaner cleaner 27588 383409 0 0 3 0x14200 reaper reaper 49513 347543 0 0 3 0x14200 pgdaemon pagedaemon 333 279240 0 0 3 0x14200 bored viomb 23588 365824 0 0 3 0x40014200 acpi0 acpi0 59269 106754 0 0 3 0x40014200 idle1 48656 352551 0 0 3 0x14200 bored softnet1 24449 112369 0 0 2 0x14200 softnet0 98888 395946 0 0 3 0x14200 bored systqmp 71589 55634 0 0 3 0x14200 bored systq 35928 139151 0 0 3 0x14200 tmoslp softclockmp 95790 443193 0 0 3 0x40014200 tmoslp softclock 23625 220235 0 0 3 0x40014200 idle0 1 363343 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{0}> show all locks Process 52773 (syz-executor) thread 0xffff80002a388038 (204405) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83a0c6b0) #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 31690 (syz-executor) thread 0xffff80002a3882d0 (248178) exclusive rrwlock inode r = 0 (0xfffffd806e95bb70) #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+0xa3 sys/kern/vfs_vops.c:527 #4 ufs_ihashins+0x4f ufs_ihash sys/ufs/ufs/ufs_ihash.c:-1 [inline] #4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:159 #5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1232 #6 ffs_inode_alloc+0x279 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0xfc sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x101 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3113 #10 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806faa9a18) #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+0xa3 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 #6 namei+0x7ca sys/kern/vfs_lookup.c:250 #7 domkdirat+0x8b sys/kern/vfs_syscalls.c:3098 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #9 Xsyscall+0x128 Process 9378 (syz-executor) thread 0xffff80002fbd8020 (401060) exclusive rwlock vmmaplk r = 0 (0xfffffd806caee118) #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:5171 #3 uvmspace_fork+0x12b sys/uvm/uvm_map.c:3741 #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 (0xfffffd806caee4e8) #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:5171 #3 uvmspace_fork+0x44 sys/uvm/uvm_map.c:3732 #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 42857 (syz-executor) thread 0xffff80002fbd9ca8 (49167) exclusive rwlock vmmaplk r = 0 (0xfffffd806caee8b8) #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:5171 #3 uvmspace_fork+0x12b sys/uvm/uvm_map.c:3741 #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 (0xfffffd800b063e58) #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:5171 #3 uvmspace_fork+0x44 sys/uvm/uvm_map.c:3732 #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 10216 11026K 11427K 166960K 12509 0 pcb 17 14K 16K 166960K 275 0 rtable 155 8K 8K 166960K 763 0 pf 26 16K 19K 166960K 124 0 ifaddr 27 4K 7K 166960K 120 0 ifgroup 39 1K 2K 166960K 162 0 sysctl 4 1K 9K 166960K 13 0 counters 62 36K 37K 166960K 174 0 ioctlops 0 0K 4K 166960K 1766 0 iov 0 0K 16K 166960K 70 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1330 84K 85K 166960K 2202 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 12 0 VM map 2 1K 1K 166960K 2 0 sem 21 137K 137K 166960K 39 0 dirhash 12 2K 2K 166960K 27 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 58K 89K 166960K 1158 0 sigio 0 0K 0K 166960K 58 0 proc 73 115K 180K 166960K 952 0 subproc 63 3K 4K 166960K 171 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 103 0 in_multi 55 4K 7K 166960K 253 0 ether_multi 1 0K 0K 166960K 10 0 mrt 0 0K 0K 166960K 9 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 241 1076K 1076K 166960K 241 0 exec 0 0K 1K 166960K 892 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 3 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 219 166K 191K 166960K 11916 0 UVM aobj 97 142K 142K 166960K 103 0 pinsyscall 42 84K 102K 166960K 2580 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 81 0 NDP 10 0K 2K 166960K 85 0 temp 57 8671K 8751K 166960K 63822 0 kqueue 13 20K 31K 166960K 180 0 SYN cache 2 16K 16K 166960K 2 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 120 114 0 111 1 0 1 1 0 8 0 rtentry 176 246 0 187 6 0 6 6 0 8 0 unpcb 144 633 0 616 10 6 4 4 0 8 3 syncache 336 6 0 6 2 2 0 1 0 8 0 tcpcb 736 236 0 230 4 3 1 4 0 8 0 arp 136 40 0 30 1 0 1 1 0 8 0 inpcb 328 1177 0 1167 14 12 2 12 0 8 0 nd6 152 62 0 49 1 0 1 1 0 8 0 pkpcb 40 4 0 4 2 2 0 1 0 8 0 kcovpl 48 19 0 12 1 0 1 1 0 8 0 ppxss 1192 36 0 36 1 0 1 1 0 8 1 pppxif 1504 2 0 2 2 1 1 1 0 8 1 pffrag 232 8 0 2 1 0 1 1 0 482 0 pffrnode 88 6 0 0 1 0 1 1 0 8 0 pffrent 40 20 0 14 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 pfstitem 24 63 0 30 1 0 1 1 0 8 0 pfstkey 128 63 0 30 2 0 2 2 0 8 0 pfstate 448 63 0 30 5 0 5 5 0 8 0 pfrule 1344 21 0 16 2 1 1 2 0 8 0 rttmr 136 2 0 2 2 2 0 1 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 1051 0 776 32 7 25 31 0 8 2 art_table 40 1053 0 776 5 0 5 5 0 8 0 art_node 32 246 0 194 1 0 1 1 0 8 0 sysvmsgpl 40 7 0 6 1 0 1 1 0 8 0 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 112 34 0 16 1 0 1 1 0 8 0 shmpl 112 31 0 5 1 0 1 1 0 8 0 dirhash 1024 27 0 10 3 0 3 3 0 8 0 dino2pl 256 3300 0 1779 96 0 96 96 0 8 0 ffsino 296 3300 0 1779 118 0 118 118 0 8 0 nchpl 144 4685 0 2957 65 0 65 65 0 8 0 rtmask 32 12 0 12 2 1 1 1 0 8 1 vnodes 216 3847 0 0 214 0 214 214 0 8 0 namei 1024 16842 0 16841 2 1 1 2 0 8 0 percpumem 16 102 0 56 1 0 1 1 0 8 0 vcpupl 3968 68 0 0 9 0 9 9 0 8 0 vmpool 840 69 0 1 8 0 8 8 0 8 0 kstatmem 264 96 0 78 3 1 2 3 0 8 0 scsiplug 72 3 0 3 3 3 0 1 0 8 0 scxspl 216 32670 0 32670 10 8 2 8 1 8 2 plimitpl 152 495 0 478 1 0 1 1 0 8 0 sigapl 424 1468 0 1420 9 2 7 8 0 8 0 knotepl 120 423 0 0 13 0 13 13 0 8 0 kqueuepl 224 394 0 385 3 2 1 2 0 8 0 pipepl 344 240 0 213 3 0 3 3 0 8 0 fdescpl 528 1430 0 1399 3 0 3 3 0 8 0 filepl 160 7763 0 7558 21 9 12 18 0 8 0 lockfpl 104 336 0 333 1 0 1 1 0 8 0 lockfspl 48 147 0 144 1 0 1 1 0 8 0 sessionpl 144 35 0 26 1 0 1 1 0 8 0 pgrppl 48 77 0 60 1 0 1 1 0 8 0 ucredpl 104 1145 0 1132 1 0 1 1 0 8 0 zombiepl 144 1605 0 1604 2 1 1 1 0 8 0 processpl 1232 1468 0 1420 7 2 5 6 0 8 1 procpl 664 2954 0 2902 8 2 6 8 0 8 0 sosppl 176 21 0 21 3 2 1 1 0 8 1 sockpl 752 1949 0 1919 25 15 10 17 0 8 6 mcl64k 65536 17 0 0 3 0 3 3 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 125 0 0 16 0 16 16 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 34 0 0 5 0 5 5 0 8 0 mtagpl 96 22 0 0 1 0 1 1 0 8 0 mbufpl 256 226 0 0 14 0 14 14 0 8 0 bufpl 280 13567 0 7429 439 0 439 439 0 8 0 anonpl 32 10139 0 0 82 0 82 82 0 246 0 amapchunkpl 152 38429 0 38009 40 11 29 33 0 158 9 amappl16 200 5327 0 5300 36 21 15 22 0 8 7 amappl15 192 4 0 3 1 0 1 1 0 8 0 amappl14 184 6 0 6 1 1 0 1 0 8 0 amappl13 176 559 0 558 1 0 1 1 0 8 0 amappl12 168 1859 0 1820 3 0 3 3 0 8 0 amappl11 160 20 0 20 1 1 0 1 0 8 0 amappl10 152 54 0 40 1 0 1 1 0 8 0 amappl9 144 251 0 251 1 1 0 1 0 8 0 amappl8 136 26 0 24 1 0 1 1 0 8 0 amappl7 128 124 0 123 1 0 1 1 0 8 0 amappl6 120 426 0 412 1 0 1 1 0 8 0 amappl5 112 79 0 67 1 0 1 1 0 8 0 amappl4 104 498 0 467 1 0 1 1 0 8 0 amappl3 96 6753 0 6672 4 1 3 3 0 8 0 amappl2 88 1511 0 1437 2 0 2 2 0 8 0 amappl1 80 14560 0 13979 16 2 14 15 0 8 0 amappl 88 10844 0 10702 5 0 5 5 0 92 0 uvmvnodes 80 137 0 0 3 0 3 3 0 8 0 dma65536 65536 1 0 1 1 1 0 1 0 8 0 dma32768 32768 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 7 0 7 2 2 0 1 0 8 0 dma128 128 255 0 255 3 3 0 1 0 8 0 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 72 102 0 6 2 0 2 2 0 8 0 uaddrrnd 24 1430 0 1399 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1430 0 1399 1 0 1 1 0 8 0 vmmpekpl 168 12917 0 12863 3 0 3 3 0 8 0 vmmpepl 168 97687 0 95854 114 15 99 106 0 357 5 vmsppl 488 1429 0 1399 5 0 5 5 0 8 1 rwobjpl 80 28813 0 27691 34 4 30 31 0 8 0 pdppl 4096 3006 0 2868 185 43 142 142 0 8 4 pvpl 32 18974 0 0 155 1 154 154 0 265 0 pmappl 256 1498 0 1400 7 0 7 7 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 384 0 61 10 0 10 10 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace sys_semop(ffff80002a388038,ffff80003c473550,ffff80003c4734a0) at sys_semop+0x3d5 sys/kern/sysv_sem.c:617 syscall(ffff80003c473550) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c473550) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x15cb7c3b470, count: -3 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp ddb{1}> trace x86_ipi_db(ffff8000299edff0) 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(ffffffff83a0c4a8) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff83a0c4a8) at __mp_lock+0x199 sys/kern/kern_lock.c:165 __mp_acquire_count(ffffffff83a0c4a8,1) at __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 pool_get(ffffffff839e2030,1) at pool_get+0x27e sys/kern/subr_pool.c:591 uvm_mapent_alloc(fffffd806caee018,0) at uvm_mapent_alloc+0x354 sys/uvm/uvm_map.c:-1 uvm_map_mkentry(fffffd806caee018,fffffd806c91e2e0,fffffd806c91e2e0,8875577b000,1000,0,47aec3c42bb5aa09,1000) at uvm_map_mkentry+0x87 sys/uvm/uvm_map.c:-1 uvm_mapent_clone(fffffd806caee018,8875577b000,1000,0,3,7,2f16c32c3f5f74cd,3,0,fffffd806028aac0) at uvm_mapent_clone+0xba sys/uvm/uvm_map.c:3470 uvmspace_fork(ffff8000fff9f050) at uvmspace_fork+0x32a uvm_mapent_share sys/uvm/uvm_map.c:3525 [inline] uvmspace_fork(ffff8000fff9f050) at uvmspace_fork+0x32a uvm_mapent_forkshared sys/uvm/uvm_map.c:3540 [inline] uvmspace_fork(ffff8000fff9f050) at uvmspace_fork+0x32a sys/uvm/uvm_map.c:3761 process_new(ffff80002a388800,ffff8000fff9f050,1) at process_new+0x577 sys/kern/kern_fork.c:281 fork1(ffff80002fbd8020,1,ffffffff822ebfd0,0,ffff80002a3e7b60,0) at fork1+0x3f6 sys/kern/kern_fork.c:-1 syscall(ffff80002a3e7c10) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3e7c10) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7d745bd2cd30, count: -14