uvm_fault(0xffffffff8350c700, 0xffff8000011ea008, 0, 2) -> e kernel: page fault trap, code=2 Stopped at unveil_add_vnode+0xda: movq %rax,0x8(%r14,%r13,1) TID PID UID PRFLAGS PFLAGS CPU COMMAND *457962 33393 32767 0x102010 0x4080000 0K syz-executor 255547 640 32767 0x10 0x4000000 1 syz-executor unveil_add_vnode(ffff8000371cf6f0,fffffd806b449618) at unveil_add_vnode+0xda sys/kern/kern_unveil.c:391 unveil_add(ffff8000371cf6f0,ffff80002a0d2358,ffff80002a0d2413) at unveil_add+0x448 sys/kern/kern_unveil.c:494 sys_unveil(ffff8000371cf6f0,ffff80002a0d2540,ffff80002a0d2490) at sys_unveil+0x60c sys/kern/vfs_syscalls.c:1020 syscall(ffff80002a0d2540) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a0d2540) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb96735b4a90, count: 10 https://www.openbsd.org/ddb.html describes the minimum info required in bug reports. Insufficient info makes it difficult to find and fix bugs. ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: uvm_fault(0xffffffff8350c700, 0xffff8000011ea008, 0, 2) -> e ddb{0}> trace unveil_add_vnode(ffff8000371cf6f0,fffffd806b449618) at unveil_add_vnode+0xda sys/kern/kern_unveil.c:391 unveil_add(ffff8000371cf6f0,ffff80002a0d2358,ffff80002a0d2413) at unveil_add+0x448 sys/kern/kern_unveil.c:494 sys_unveil(ffff8000371cf6f0,ffff80002a0d2540,ffff80002a0d2490) at sys_unveil+0x60c sys/kern/vfs_syscalls.c:1020 syscall(ffff80002a0d2540) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a0d2540) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb96735b4a90, count: -5 ddb{0}> show registers rdi 0xffff800037e38000 rsi 0x10ac __ALIGN_SIZE+0xac rbp 0xffff80002a0d2280 rbx 0xffff8000309771f0 rdx 0xffff800037e38000 rcx 0x10ab __ALIGN_SIZE+0xab rax 0xffffffffffffffff r8 0x40 r9 0xfffffd807f7d3478 r10 0x8670df9573af0fae r11 0xdd9d796f268fcf8 r12 0xfffffd806b449618 r13 0 r14 0xffff8000011ea000 r15 0 rip 0xffffffff82b218ba unveil_add_vnode+0xda cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002a0d2210 ss 0x10 unveil_add_vnode+0xda: movq %rax,0x8(%r14,%r13,1) ddb{0}> show proc PROC (syz-executor) tid=457962 pid=33393 tcnt=3 stat=onproc flags process=102010 proc=4080000 runpri=32, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff8000371cf468 scnt=1 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000371cea48,0xffff8000371cf478 process=0xffff8000309771f0 user=0xffff80002a0cd000, vmspace=0xfffffd806cf09540 estcpu=6, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 33393 192743 30751 32767 4 0x182010 syz-executor *33393 457962 30751 32767 7 0x4182010 syz-executor 33393 383873 30751 32767 3 0x4102010 suspend syz-executor 7104 443991 36394 0 2 0x2 syz-executor 27086 455037 41395 32767 2 0x10 syz-executor 27086 372100 41395 32767 3 0x4000090 sbwait syz-executor 95270 54842 23196 32767 2 0x10 syz-executor 95270 472694 23196 32767 3 0x4000090 fsleep syz-executor 640 463265 78936 32767 2 0x10 syz-executor 640 149424 78936 32767 3 0x4000090 kqpoll syz-executor 640 255547 78936 32767 7 0x4000010 syz-executor 84965 119071 17908 32767 2 0x10 syz-executor 17908 484196 36394 0 3 0x82 wait syz-executor 1883 278603 71760 32767 2 0x10 syz-executor 78936 358785 10507 32767 2 0x490 syz-executor 10507 474687 36394 0 3 0x82 wait syz-executor 71760 64041 36394 0 3 0x82 wait syz-executor 41395 42342 71418 32767 2 0x490 syz-executor 30751 511824 95018 32767 2 0x490 syz-executor 83295 330326 51365 32767 2 0x490 syz-executor 23196 324353 12102 32767 2 0x490 syz-executor 71418 78437 36394 0 3 0x82 wait syz-executor 95018 89956 36394 0 3 0x82 wait syz-executor 51365 84274 36394 0 3 0x82 wait syz-executor 12102 118453 36394 0 3 0x82 wait syz-executor 36394 374916 10969 0 3 0x82 kqread syz-executor 10969 354105 45445 0 3 0x10008a sigsusp ksh 45445 247457 98425 0 3 0x98 kqread sshd-session 98425 478938 886 0 3 0x92 kqread sshd-session 40850 184788 1 0 3 0x100083 ttyin getty 886 99137 1 0 3 0x88 kqread sshd 42102 157742 48169 73 2 0x1100010 syslogd 48169 284838 1 0 3 0x100082 sbwait syslogd 18659 420266 1 0 3 0x100080 kqread resolvd 24783 469256 26584 77 3 0x100092 kqread dhcpleased 8675 470289 26584 77 3 0x100092 kqread dhcpleased 26584 182622 1 0 3 0x80 kqread dhcpleased 63268 79678 0 0 3 0x14200 bored smr 85440 472852 0 0 3 0x14200 pgzero zerothread 27483 415933 0 0 3 0x14200 aiodoned aiodoned 17902 287706 0 0 3 0x14200 syncer update 58410 35785 0 0 3 0x14200 cleaner cleaner 96739 233291 0 0 3 0x14200 reaper reaper 99863 308249 0 0 3 0x14200 pgdaemon pagedaemon 35643 338785 0 0 3 0x14200 bored viomb 50181 311312 0 0 3 0x40014200 acpi0 acpi0 47659 141185 0 0 3 0x40014200 idle1 92964 459318 0 0 3 0x14200 bored softnet3 26357 17437 0 0 3 0x14200 bored softnet2 38045 30689 0 0 3 0x14200 bored softnet1 3371 149403 0 0 3 0x14200 bored softnet0 41950 23873 0 0 3 0x14200 bored systqmp 2832 79173 0 0 3 0x14200 bored systq 36533 79560 0 0 3 0x14200 tmoslp softclockmp 78 262048 0 0 3 0x40014200 tmoslp softclock 82240 91409 0 0 3 0x40014200 idle0 1 302934 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 33393 (syz-executor) thread 0xffff8000371cf6f0 (457962) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff835c2918) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 __mp_acquire_count+0x58 #2 mi_switch+0x658 sys/kern/sched_bsd.c:460 #3 sleep_finish+0x219 sys/kern/kern_synch.c:416 #4 rw_enter+0x348 sys/kern/kern_rwlock.c:285 #5 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #6 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #7 vn_lock+0xa4 sys/kern/vfs_vnops.c:564 #8 vget+0x2bd sys/kern/vfs_subr.c:676 #9 ufs_ihashget+0x171 sys/ufs/ufs/ufs_ihash.c:95 #10 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1201 #11 ufs_lookup+0x1631 sys/ufs/ufs/ufs_lookup.c:555 #12 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #13 unveil_find_cover+0x16d sys/kern/kern_unveil.c:277 #14 unveil_add_vnode+0xd1 sys/kern/kern_unveil.c:391 #15 unveil_add+0x448 sys/kern/kern_unveil.c:494 #16 sys_unveil+0x60c sys/kern/vfs_syscalls.c:1020 #17 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #17 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #18 Xsyscall+0x128 Process 640 (syz-executor) thread 0xffff8000371cea48 (255547) shared rwlock vmmaplk r = 0 (0xfffffd806cf097e8) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 #2 uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 #3 uvm_fault+0x112 sys/uvm/uvm_fault.c:600 #4 kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 #5 kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 #6 alltraps_kern_meltdown+0x7b #7 copyout+0x57 #8 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #8 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 Process 42102 (syslogd) thread 0xffff8000ffffdbe8 (157742) exclusive rrwlock inode r = 0 (0xfffffd806e717810) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:564 #5 sys_fsync+0x152 sys/kern/vfs_syscalls.c:2927 #6 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #6 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10180 10024K 10036K 166960K 11309 0 pcb 17 12K 12K 166960K 17 0 rtable 228 6K 7K 166960K 815 0 pf 31 16K 16K 166960K 66 0 ifaddr 41 7K 7K 166960K 108 0 ifgroup 50 2K 2K 166960K 119 0 sysctl 2 0K 0K 166960K 2 0 counters 64 36K 36K 166960K 98 0 ioctlops 0 0K 2K 166960K 45 0 iov 0 0K 4K 166960K 5 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1453 91K 91K 166960K 1589 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 3 0 VM map 2 1K 1K 166960K 2 0 sem 7 0K 0K 166960K 7 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 21 74K 161K 166960K 467 0 sigio 0 0K 0K 166960K 1 0 proc 56 78K 176K 166960K 901 0 subproc 91 5K 12K 166960K 312 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 25 0 in_multi 98 7K 7K 166960K 271 0 ether_multi 1 0K 0K 166960K 2 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 61 281K 281K 166960K 61 0 exec 0 0K 1K 166960K 583 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 218 65K 131K 166960K 4696 0 UVM aobj 5 2K 2K 166960K 5 0 pinsyscall 42 84K 128K 166960K 1882 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 7 0 NDP 26 2K 2K 166960K 72 0 temp 32 6814K 6879K 166960K 5997 0 kqueue 14 22K 26K 166960K 35 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 24 0 0 1 0 1 1 0 8 0 rtpcb 120 84 0 80 1 0 1 1 0 8 0 rtentry 112 278 0 171 4 0 4 4 0 8 0 unpcb 144 257 0 240 2 1 1 2 0 8 0 syncache 336 6 0 6 4 3 1 1 0 8 1 tcpqe 32 3 0 3 2 2 0 1 0 8 0 tcpcb 808 46 0 37 2 0 2 2 0 8 0 arp 120 48 0 32 1 0 1 1 0 8 0 inpcb 336 197 0 185 3 1 2 2 0 8 0 nd6 136 70 0 46 1 0 1 1 0 8 0 kcovpl 48 24 0 17 1 0 1 1 0 8 0 rttmr 136 1 0 0 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 1126 0 673 39 10 29 29 0 8 0 art_table 32 1127 0 673 4 0 4 4 0 8 0 art_node 16 277 0 180 1 0 1 1 0 8 0 sysvmsgpl 40 1 0 1 1 0 1 1 0 8 1 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 5 0 0 1 0 1 1 0 8 0 shmpl 112 2 0 0 1 0 1 1 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 1674 0 142 96 0 96 96 0 8 0 ffsino 272 1674 0 142 103 0 103 103 0 8 0 nchpl 144 1965 0 259 64 0 64 64 0 8 0 uvmvnodes 80 1995 0 0 41 0 41 41 0 8 0 vnodes 216 1995 0 0 111 0 111 111 0 8 0 namei 1024 7455 0 7453 3 2 1 1 0 8 0 percpumem 16 63 0 17 1 0 1 1 0 8 0 kstatmem 264 56 0 34 2 0 2 2 0 8 0 scxspl 216 12850 0 12850 12 6 6 8 1 8 6 plimitpl 152 81 0 58 2 0 2 2 0 8 0 sigapl 424 717 0 663 10 1 9 9 0 8 2 futexpl 64 1213 0 1212 3 2 1 1 0 8 0 knotepl 120 303 0 0 10 0 10 10 0 8 0 kqueuepl 216 43 0 32 1 0 1 1 0 8 0 pipepl 320 169 0 141 5 1 4 5 0 8 0 fdescpl 496 699 0 666 10 3 7 7 0 8 1 filepl 152 2541 0 2313 14 1 13 14 0 8 1 lockfpl 104 39 0 37 1 0 1 1 0 8 0 lockfspl 48 18 0 16 1 0 1 1 0 8 0 sessionpl 144 36 0 21 1 0 1 1 0 8 0 pgrppl 48 63 0 40 1 0 1 1 0 8 0 ucredpl 104 207 0 189 1 0 1 1 0 8 0 zombiepl 144 666 0 663 1 0 1 1 0 8 0 processpl 1160 717 0 663 6 0 6 6 0 8 1 procpl 648 870 0 810 7 1 6 7 0 8 0 srpgc 96 2 0 2 1 1 0 1 0 8 0 sockpl 664 538 0 505 5 1 4 4 0 8 0 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 250 0 0 32 0 32 32 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 300 0 0 18 0 18 18 0 8 1 bufpl 280 5581 0 89 393 0 393 393 0 8 0 anonpl 24 227829 0 224181 77 4 73 77 0 185 39 amapchunkpl 152 16177 0 15715 45 5 40 44 0 158 17 amappl16 200 6111 0 6072 15 12 3 13 0 8 0 amappl15 192 18 0 18 1 1 0 1 0 8 0 amappl14 184 139 0 129 1 0 1 1 0 8 0 amappl13 176 10 0 10 1 1 0 1 0 8 0 amappl12 168 1559 0 1527 3 0 3 3 0 8 1 amappl11 160 51 0 40 1 0 1 1 0 8 0 amappl10 152 15 0 15 1 1 0 1 0 8 0 amappl9 144 143 0 143 1 1 0 1 0 8 0 amappl8 136 28 0 27 1 0 1 1 0 8 0 amappl7 128 127 0 116 1 0 1 1 0 8 0 amappl6 120 314 0 313 1 0 1 1 0 8 0 amappl5 112 191 0 182 1 0 1 1 0 8 0 amappl4 104 331 0 315 1 0 1 1 0 8 0 amappl3 96 2737 0 2628 4 0 4 4 0 8 0 amappl2 88 807 0 752 2 0 2 2 0 8 0 amappl1 80 9430 0 8880 14 0 14 14 0 8 0 amappl 88 4242 0 4077 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 128 253 0 253 1 1 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 4 0 0 1 0 1 1 0 8 0 uaddrrnd 24 699 0 666 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 699 0 666 1 0 1 1 0 8 0 vmmpekpl 168 7636 0 7559 5 1 4 4 0 8 0 vmmpepl 168 52913 0 51080 111 10 101 110 0 357 12 vmsppl 440 698 0 666 8 2 6 7 0 8 0 rwobjpl 56 22638 0 19796 45 3 42 44 0 8 0 pdppl 4096 1405 0 1332 173 80 93 117 0 8 20 pvpl 32 45210 0 0 365 0 365 365 0 265 0 pmappl 248 698 0 666 5 1 4 4 0 8 1 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 483 0 98 12 0 12 12 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace unveil_add_vnode(ffff8000371cf6f0,fffffd806b449618) at unveil_add_vnode+0xda sys/kern/kern_unveil.c:391 unveil_add(ffff8000371cf6f0,ffff80002a0d2358,ffff80002a0d2413) at unveil_add+0x448 sys/kern/kern_unveil.c:494 sys_unveil(ffff8000371cf6f0,ffff80002a0d2540,ffff80002a0d2490) at sys_unveil+0x60c sys/kern/vfs_syscalls.c:1020 syscall(ffff80002a0d2540) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a0d2540) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb96735b4a90, count: -5 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff800029b7bff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 kd_curproc sys/dev/kcov.c:590 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 sys/dev/kcov.c:158 witness_unlock(fffffd806cf097e8,0) at witness_unlock+0x102 sys/kern/subr_witness.c:1343 rw_exit_read(fffffd806cf097d8) at rw_exit_read+0x90 sys/kern/kern_rwlock.c:140 uvmfault_lookup(ffff80002a07e560,0) at uvmfault_lookup+0x22a sys/uvm/uvm_fault.c:1787 uvm_fault_check(ffff80002a07e560,ffff80002a07e598,ffff80002a07e5c0) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(fffffd806cf096f8,1f3000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff80002a07e700,1f3520) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff80002a07e700) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x57 syscall(ffff80002a07eb50) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a07eb50) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 end trace frame: 0xffff80002a07ebd0, count: 0 ddb{1}> trace x86_ipi_db(ffff800029b7bff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 kd_curproc sys/dev/kcov.c:590 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 sys/dev/kcov.c:158 witness_unlock(fffffd806cf097e8,0) at witness_unlock+0x102 sys/kern/subr_witness.c:1343 rw_exit_read(fffffd806cf097d8) at rw_exit_read+0x90 sys/kern/kern_rwlock.c:140 uvmfault_lookup(ffff80002a07e560,0) at uvmfault_lookup+0x22a sys/uvm/uvm_fault.c:1787 uvm_fault_check(ffff80002a07e560,ffff80002a07e598,ffff80002a07e5c0) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(fffffd806cf096f8,1f3000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff80002a07e700,1f3520) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff80002a07e700) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x57 syscall(ffff80002a07eb50) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a07eb50) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd278e7e90e0, count: -15