uvmuvm_fault(0xffffffff8395b818, 0xffff800029ef6000, 0, 2) -> e kernel: page fault trap, code=2 Stopped at kcov_remote_enter+0x122: movq $0,0(%rcx) TID PID UID PRFLAGS PFLAGS CPU COMMAND *262348 42474 60929 0x10 0x4000000 0 syz-executor kcov_remote_enter(0,ffff80002a7ac490) at kcov_remote_enter+0x122 sys/dev/kcov.c:670 timeout_run(ffffffff8383c100,ffff80002a7765d8) at timeout_run+0xdf sys/kern/kern_timeout.c:696 softclock_process_tick_timeout(ffff80002a7765d8,0) at softclock_process_tick_timeout+0x230 sys/kern/kern_timeout.c:756 softclock(0) at softclock+0x152 sys/kern/kern_timeout.c:788 softintr_dispatch(0) at softintr_dispatch+0xf9 sys/kern/kern_softintr.c:87 dosoftint(0) at dosoftint+0x48 sys/arch/amd64/amd64/intr.c:862 Xsoftclock() at Xsoftclock+0x27 cnputc(6d) at cnputc+0x67 sys/dev/cons.c:218 db_putchar(6d) at db_putchar+0x36d sys/ddb/db_output.c:155 kprintf() at kprintf+0x29c5 sys/kern/subr_prf.c:-1 db_printf(ffffffff833ba06d) at db_printf+0x9b sys/kern/subr_prf.c:-1 fault(ffffffff834756a2) at fault+0xa3 sys/arch/amd64/amd64/trap.c:161 kpageflttrap(ffff800039d68c00,ffff800029b42000) at kpageflttrap+0x353 sys/arch/amd64/amd64/trap.c:296 kerntrap(ffff800039d68c00) at kerntrap+0x18a sys/arch/amd64/amd64/trap.c:528 end trace frame: 0xffff800039d68c80, count: 0 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> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic *cpu0: uvm_fault(0xffffffff8395b818, 0xffff800029ef6000, 0, 2) -> e ddb> trace kcov_remote_enter(0,ffff80002a7ac490) at kcov_remote_enter+0x122 sys/dev/kcov.c:670 timeout_run(ffffffff8383c100,ffff80002a7765d8) at timeout_run+0xdf sys/kern/kern_timeout.c:696 softclock_process_tick_timeout(ffff80002a7765d8,0) at softclock_process_tick_timeout+0x230 sys/kern/kern_timeout.c:756 softclock(0) at softclock+0x152 sys/kern/kern_timeout.c:788 softintr_dispatch(0) at softintr_dispatch+0xf9 sys/kern/kern_softintr.c:87 dosoftint(0) at dosoftint+0x48 sys/arch/amd64/amd64/intr.c:862 Xsoftclock() at Xsoftclock+0x27 cnputc(6d) at cnputc+0x67 sys/dev/cons.c:218 db_putchar(6d) at db_putchar+0x36d sys/ddb/db_output.c:155 kprintf() at kprintf+0x29c5 sys/kern/subr_prf.c:-1 db_printf(ffffffff833ba06d) at db_printf+0x9b sys/kern/subr_prf.c:-1 fault(ffffffff834756a2) at fault+0xa3 sys/arch/amd64/amd64/trap.c:161 kpageflttrap(ffff800039d68c00,ffff800029b42000) at kpageflttrap+0x353 sys/arch/amd64/amd64/trap.c:296 kerntrap(ffff800039d68c00) at kerntrap+0x18a sys/arch/amd64/amd64/trap.c:528 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b memcpy() at memcpy+0x19 ffs_indirtrunc(fffffd8067bdbc00,fffffffffffff7f3,efee0,1f7f3,1,ffff800039d68fd8) at ffs_indirtrunc+0x95a sys/ufs/ffs/ffs_inode.c:516 ffs_truncate(fffffd8067bdbc00,80000000,4,fffffd8007ffd3a8) at ffs_truncate+0x1036 sys/ufs/ffs/ffs_inode.c:297 ffs_write(ffff800039d691a0) at ffs_write+0xb9a sys/ufs/ffs/ffs_vnops.c:401 VOP_WRITE(fffffd80682a5c20,ffff800039d69358,7,fffffd8007ffd3a8) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 vn_write(fffffd806cc47b50,ffff800039d69358,0) at vn_write+0x1c2 sys/kern/vfs_vnops.c:408 dofilewritev(ffff8000340cd4e8,5,ffff800039d69358,0,ffff800039d69400) at dofilewritev+0x2bd sys/kern/sys_generic.c:384 sys_write(ffff8000340cd4e8,ffff800039d694b0,ffff800039d69400) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff800039d694b0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff800039d694b0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xcc4748cd5e0, count: -25 ddb> show registers rdi 0 rsi 0xffff800000c16c00 rbp 0xffff800039d68690 rbx 0xffff80002a7ac490 rdx 0xffff8000340cd4e8 rcx 0xffff800029ef6000 rax 0xfffffd806ccf7ea0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x8a833c20b5d9d782 r11 0x14a251ffd95f0fc8 r12 0xffffffff810c1d50 endtsleep r13 0xffff80002a776540 r14 0xffff80002a7ac490 r15 0 rip 0xffffffff83245eb2 kcov_remote_enter+0x122 cs 0x8 rflags 0x10297 __ALIGN_SIZE+0xf297 rsp 0xffff800039d68670 ss 0x10 kcov_remote_enter+0x122: movq $0,0(%rcx) ddb> show proc PROC (syz-executor) tid=262348 pid=42474 tcnt=2 stat=onproc flags process=10 proc=4000000 runpri=17, usrpri=75, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000340cca88,0xffff8000340cda28 process=0xffff8000340ca420 user=0xffff800039d64000, vmspace=0xfffffd806cced010 estcpu=25, cpticks=2, pctcpu=0.1, user=0, sys=1, intr=1 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 91444 340167 30465 0 2 0 syz-executor 91444 12009 30465 0 2 0x4000000 syz-executor 39901 218537 74290 0 2 0 syz-executor 42474 195309 10425 60929 2 0x10 syz-executor *42474 262348 10425 60929 7 0x4000010 syz-executor 976 246078 54706 0 2 0 syz-executor 976 167371 54706 0 3 0x4000000 smrbar syz-executor 11019 125060 22558 0 2 0 syz-executor 11019 422043 22558 0 3 0x4000080 sbwait syz-executor 11019 57154 22558 0 3 0x4000080 fsleep syz-executor 98826 366726 6344 0 2 0x2 syz-executor 85022 487988 0 0 3 0x14280 nfsidl nfsio 90568 424691 0 0 3 0x14280 nfsidl nfsio 15927 66040 0 0 3 0x14280 nfsidl nfsio 15642 118339 0 0 3 0x14280 nfsidl nfsio 53352 456301 0 0 3 0x14280 nfsidl nfsio 15790 397744 0 0 3 0x14280 nfsidl nfsio 78437 100860 0 0 3 0x14280 nfsidl nfsio 4132 503893 0 0 3 0x14280 nfsidl nfsio 52437 316752 0 0 3 0x14280 nfsidl nfsio 80174 8236 0 0 3 0x14280 nfsidl nfsio 46205 343568 0 0 3 0x14280 nfsidl nfsio 98367 90546 0 0 3 0x14280 nfsidl nfsio 31652 203665 0 0 3 0x14280 nfsidl nfsio 40063 322432 0 0 3 0x14280 nfsidl nfsio 23680 501044 0 0 3 0x14280 nfsidl nfsio 33625 335824 0 0 3 0x14280 nfsidl nfsio 95575 502121 0 0 3 0x14280 nfsidl nfsio 43446 127188 0 0 3 0x14280 nfsidl nfsio 81401 455231 0 0 3 0x14280 nfsidl nfsio 7958 180261 0 0 3 0x14280 nfsidl nfsio 24920 343846 1 0 3 0x100083 ttyin getty 64630 226530 6344 0 3 0x82 piperd syz-executor 25297 499251 6344 0 3 0x82 piperd syz-executor 30465 223192 6344 0 3 0x82 nanoslp syz-executor 74290 196521 6344 0 3 0x82 nanoslp syz-executor 10425 300819 6344 0 3 0x82 nanoslp syz-executor 54706 87292 6344 0 3 0x82 nanoslp syz-executor 22558 165864 6344 0 3 0x82 nanoslp syz-executor 6344 58171 15640 0 2 0x2 syz-executor 15640 120733 6850 0 3 0x10008a sigsusp ksh 6850 89932 70003 0 3 0x98 kqread sshd-session 70003 314688 69331 0 3 0x92 kqread sshd-session 69331 167813 1 0 3 0x88 kqread sshd 45919 307872 17216 73 3 0x1100090 kqread syslogd 17216 218496 1 0 3 0x100082 sbwait syslogd 54945 496062 1 0 3 0x100080 kqread resolvd 64730 241937 83371 77 3 0x100092 kqread dhcpleased 35929 39588 83371 77 3 0x100092 kqread dhcpleased 83371 146486 1 0 3 0x80 kqread dhcpleased 34645 346319 0 0 3 0x14200 bored smr 74922 302553 0 0 2 0x14200 zerothread 42148 408525 0 0 3 0x14200 aiodoned aiodoned 19912 361914 0 0 3 0x14200 syncer update 8318 401122 0 0 3 0x14200 cleaner cleaner 31565 360927 0 0 3 0x14200 reaper reaper 83387 46503 0 0 3 0x14200 pgdaemon pagedaemon 6867 30051 0 0 3 0x14200 bored viomb 86978 429028 0 0 3 0x40014200 acpi0 acpi0 64966 361428 0 0 2 0x14200 softnet0 69977 456786 0 0 3 0x14200 bored systqmp 17853 16111 0 0 3 0x14200 bored systq 48094 300251 0 0 3 0x40014200 tmoslp softclock 50900 510745 0 0 3 0x40014200 idle0 1 480039 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 11021 12094K 12295K 166960K 12408 0 pcb 21 12K 16K 166960K 98 0 rtable 142 5K 8K 166960K 489 0 pf 21 11K 16K 166960K 59 0 ifaddr 24 3K 7K 166960K 48 0 ifgroup 31 1K 2K 166960K 56 0 sysctl 2 1K 9K 166960K 6 0 counters 29 17K 18K 166960K 41 0 ioctlops 0 0K 4K 166960K 66 0 iov 0 0K 12K 166960K 5 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1361 86K 86K 166960K 1730 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 12 0K 0K 166960K 19 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 15 53K 97K 166960K 377 0 sigio 0 0K 0K 166960K 1 0 proc 60 59K 116K 166960K 519 0 subproc 72 4K 5K 166960K 261 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 16 0 in_multi 48 3K 6K 166960K 105 0 ether_multi 1 0K 0K 166960K 1 0 mrt 0 0K 0K 166960K 15 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 55 254K 254K 166960K 55 0 exec 0 0K 1K 166960K 408 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 186 149K 199K 166960K 4746 0 UVM aobj 4 2K 4K 166960K 5 0 pinsyscall 36 72K 96K 166960K 1482 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 5 0 NDP 7 0K 1K 166960K 31 0 temp 46 9100K 9132K 166960K 9725 0 kqueue 16 24K 28K 166960K 68 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 46 0 43 1 0 1 1 0 8 0 rtentry 136 119 0 65 4 0 4 4 0 8 0 unpcb 144 115 0 97 1 0 1 1 0 8 0 syncache 336 4 0 4 1 0 1 1 0 8 1 tcpcb 736 85 0 81 4 0 4 4 0 8 3 arp 96 19 0 9 1 0 1 1 0 8 0 ipq 40 1 0 0 1 0 1 1 0 8 0 ipqe 40 2 0 1 1 0 1 1 0 8 0 inpcb 328 244 0 233 4 0 4 4 0 8 3 nd6 112 26 0 14 1 0 1 1 0 8 0 pkpcb 40 3 0 3 1 0 1 1 0 8 1 kcovpl 48 29 0 21 1 0 1 1 0 8 0 ppxss 1072 8 0 8 1 0 1 1 0 8 1 pfrktable 1344 10 0 10 1 0 1 1 0 8 1 pfanchor 1288 2 0 2 1 0 1 1 0 8 1 pftag 88 1 0 1 1 0 1 1 0 8 1 pfrule 1360 4 0 4 1 0 1 1 0 8 1 rttmr 136 1 0 1 1 0 1 1 0 8 1 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 475 0 236 26 0 26 26 0 8 6 art_table 40 477 0 236 5 0 5 5 0 8 0 art_node 32 119 0 70 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 2 1 0 1 1 0 8 1 semupl 112 2 0 2 1 0 1 1 0 8 1 semapl 112 16 0 6 1 0 1 1 0 8 0 shmpl 112 2 0 1 1 0 1 1 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 1911 0 436 93 0 93 93 0 8 0 ffsino 256 1911 0 436 93 0 93 93 0 8 0 nchpl 144 2356 0 644 64 0 64 64 0 8 0 rtmask 32 5 0 5 1 0 1 1 0 8 1 vnodes 216 2314 0 0 129 0 129 129 0 8 0 namei 1024 7376 0 7376 2 0 2 2 0 8 2 pfiaddrpl 120 2 0 2 1 0 1 1 0 8 1 kstatmem 264 28 0 14 2 0 2 2 0 8 0 scxspl 216 19205 0 19205 8 0 8 8 1 8 8 plimitpl 152 85 0 68 1 0 1 1 0 8 0 sigapl 424 651 0 591 7 0 7 7 0 8 0 knotepl 120 9478 0 9229 9 0 9 9 0 8 1 kqueuepl 184 149 0 138 4 0 4 4 0 8 3 pipepl 304 198 0 171 3 0 3 3 0 8 0 fdescpl 448 618 0 591 5 0 5 5 0 8 1 filepl 120 2975 0 2762 8 0 8 8 0 8 1 lockfpl 104 196 0 194 2 0 2 2 0 8 1 lockfspl 48 94 0 92 1 0 1 1 0 8 0 sessionpl 144 54 0 46 1 0 1 1 0 8 0 pgrppl 48 86 0 70 1 0 1 1 0 8 0 ucredpl 104 277 0 265 1 0 1 1 0 8 0 zombiepl 144 591 0 591 1 0 1 1 0 8 1 processpl 1152 651 0 591 5 0 5 5 0 8 0 procpl 664 930 0 865 6 0 6 6 0 8 0 sosppl 176 2 0 2 1 0 1 1 0 8 1 sockpl 552 451 0 419 5 0 5 5 0 8 2 mcl64k 65536 23 0 23 1 0 1 1 0 8 1 mcl16k 16384 9 0 9 1 0 1 1 0 8 1 mcl12k 12288 4 0 4 1 0 1 1 0 8 1 mcl9k 9216 6 0 6 1 0 1 1 0 8 1 mcl8k 8192 19 0 19 1 0 1 1 0 8 1 mcl4k 4096 2817 0 2752 13 0 13 13 0 8 4 mcl2k 2048 362 0 362 1 0 1 1 0 8 1 mtagpl 96 5 0 4 1 0 1 1 0 8 0 mbufpl 256 6356 0 6230 15 0 15 15 0 8 4 bufpl 280 8305 0 2091 444 0 444 444 0 8 0 anonpl 24 152719 0 149723 72 0 72 72 0 187 28 amapchunkpl 152 16421 0 16056 53 0 53 53 0 158 38 amappl16 200 3045 0 3025 16 2 14 16 0 8 7 amappl15 192 7 0 7 1 0 1 1 0 8 1 amappl14 184 412 0 411 1 0 1 1 0 8 0 amappl13 176 121 0 111 1 0 1 1 0 8 0 amappl12 168 876 0 851 2 0 2 2 0 8 0 amappl11 160 16 0 16 1 0 1 1 0 8 1 amappl10 152 69 0 59 1 0 1 1 0 8 0 amappl9 144 257 0 257 1 0 1 1 0 8 1 amappl8 136 117 0 116 1 0 1 1 0 8 0 amappl7 128 147 0 136 1 0 1 1 0 8 0 amappl6 120 149 0 148 1 0 1 1 0 8 0 amappl5 112 95 0 88 1 0 1 1 0 8 0 amappl4 104 284 0 268 1 0 1 1 0 8 0 amappl3 96 2660 0 2578 4 0 4 4 0 8 1 amappl2 88 552 0 499 2 0 2 2 0 8 0 amappl1 80 10492 0 9955 15 0 15 15 0 8 2 amappl 88 3981 0 3856 5 0 5 5 0 92 0 uvmvnodes 80 113 0 0 3 0 3 3 0 8 0 dma4096 4096 1 0 1 1 0 1 1 0 8 1 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma256 256 6 0 6 1 0 1 1 0 8 1 dma128 128 253 0 253 1 0 1 1 0 8 1 dma64 64 6 0 6 1 0 1 1 0 8 1 dma32 32 7 0 7 1 0 1 1 0 8 1 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 72 4 0 1 1 0 1 1 0 8 0 uaddrrnd 24 618 0 591 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 618 0 591 1 0 1 1 0 8 0 vmmpekpl 168 7138 0 7098 3 0 3 3 0 8 0 vmmpepl 168 49601 0 47982 99 0 99 99 0 357 27 vmsppl 368 617 0 591 4 0 4 4 0 8 1 rwobjpl 40 17185 0 16277 14 0 14 14 0 8 0 pdppl 4096 1242 0 1182 108 48 60 82 0 8 0 pvpl 32 344943 0 336842 167 0 167 167 0 265 61 pmappl 216 617 0 591 3 0 3 3 0 8 1 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 377 0 48 10 0 10 10 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace kcov_remote_enter(0,ffff80002a7ac490) at kcov_remote_enter+0x122 sys/dev/kcov.c:670 timeout_run(ffffffff8383c100,ffff80002a7765d8) at timeout_run+0xdf sys/kern/kern_timeout.c:696 softclock_process_tick_timeout(ffff80002a7765d8,0) at softclock_process_tick_timeout+0x230 sys/kern/kern_timeout.c:756 softclock(0) at softclock+0x152 sys/kern/kern_timeout.c:788 softintr_dispatch(0) at softintr_dispatch+0xf9 sys/kern/kern_softintr.c:87 dosoftint(0) at dosoftint+0x48 sys/arch/amd64/amd64/intr.c:862 Xsoftclock() at Xsoftclock+0x27 cnputc(6d) at cnputc+0x67 sys/dev/cons.c:218 db_putchar(6d) at db_putchar+0x36d sys/ddb/db_output.c:155 kprintf() at kprintf+0x29c5 sys/kern/subr_prf.c:-1 db_printf(ffffffff833ba06d) at db_printf+0x9b sys/kern/subr_prf.c:-1 fault(ffffffff834756a2) at fault+0xa3 sys/arch/amd64/amd64/trap.c:161 kpageflttrap(ffff800039d68c00,ffff800029b42000) at kpageflttrap+0x353 sys/arch/amd64/amd64/trap.c:296 kerntrap(ffff800039d68c00) at kerntrap+0x18a sys/arch/amd64/amd64/trap.c:528 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b memcpy() at memcpy+0x19 ffs_indirtrunc(fffffd8067bdbc00,fffffffffffff7f3,efee0,1f7f3,1,ffff800039d68fd8) at ffs_indirtrunc+0x95a sys/ufs/ffs/ffs_inode.c:516 ffs_truncate(fffffd8067bdbc00,80000000,4,fffffd8007ffd3a8) at ffs_truncate+0x1036 sys/ufs/ffs/ffs_inode.c:297 ffs_write(ffff800039d691a0) at ffs_write+0xb9a sys/ufs/ffs/ffs_vnops.c:401 VOP_WRITE(fffffd80682a5c20,ffff800039d69358,7,fffffd8007ffd3a8) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 vn_write(fffffd806cc47b50,ffff800039d69358,0) at vn_write+0x1c2 sys/kern/vfs_vnops.c:408 dofilewritev(ffff8000340cd4e8,5,ffff800039d69358,0,ffff800039d69400) at dofilewritev+0x2bd sys/kern/sys_generic.c:384 sys_write(ffff8000340cd4e8,ffff800039d694b0,ffff800039d69400) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff800039d694b0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff800039d694b0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xcc4748cd5e0, count: -25 ddb> machine ddbcpu 1 No such command ddb> trace kcov_remote_enter(0,ffff80002a7ac490) at kcov_remote_enter+0x122 sys/dev/kcov.c:670 timeout_run(ffffffff8383c100,ffff80002a7765d8) at timeout_run+0xdf sys/kern/kern_timeout.c:696 softclock_process_tick_timeout(ffff80002a7765d8,0) at softclock_process_tick_timeout+0x230 sys/kern/kern_timeout.c:756 softclock(0) at softclock+0x152 sys/kern/kern_timeout.c:788 softintr_dispatch(0) at softintr_dispatch+0xf9 sys/kern/kern_softintr.c:87 dosoftint(0) at dosoftint+0x48 sys/arch/amd64/amd64/intr.c:862 Xsoftclock() at Xsoftclock+0x27 cnputc(6d) at cnputc+0x67 sys/dev/cons.c:218 db_putchar(6d) at db_putchar+0x36d sys/ddb/db_output.c:155 kprintf() at kprintf+0x29c5 sys/kern/subr_prf.c:-1 db_printf(ffffffff833ba06d) at db_printf+0x9b sys/kern/subr_prf.c:-1 fault(ffffffff834756a2) at fault+0xa3 sys/arch/amd64/amd64/trap.c:161 kpageflttrap(ffff800039d68c00,ffff800029b42000) at kpageflttrap+0x353 sys/arch/amd64/amd64/trap.c:296 kerntrap(ffff800039d68c00) at kerntrap+0x18a sys/arch/amd64/amd64/trap.c:528 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b memcpy() at memcpy+0x19 ffs_indirtrunc(fffffd8067bdbc00,fffffffffffff7f3,efee0,1f7f3,1,ffff800039d68fd8) at ffs_indirtrunc+0x95a sys/ufs/ffs/ffs_inode.c:516 ffs_truncate(fffffd8067bdbc00,80000000,4,fffffd8007ffd3a8) at ffs_truncate+0x1036 sys/ufs/ffs/ffs_inode.c:297 ffs_write(ffff800039d691a0) at ffs_write+0xb9a sys/ufs/ffs/ffs_vnops.c:401 VOP_WRITE(fffffd80682a5c20,ffff800039d69358,7,fffffd8007ffd3a8) at VOP_WRITE+0x101 sys/kern/vfs_vops.c:245 vn_write(fffffd806cc47b50,ffff800039d69358,0) at vn_write+0x1c2 sys/kern/vfs_vnops.c:408 dofilewritev(ffff8000340cd4e8,5,ffff800039d69358,0,ffff800039d69400) at dofilewritev+0x2bd sys/kern/sys_generic.c:384 sys_write(ffff8000340cd4e8,ffff800039d694b0,ffff800039d69400) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff800039d694b0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff800039d694b0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xcc4748cd5e0, count: -25