kernel: page fault trap, code=10 Stopped at acpi_pdirpa+0xd55ea: uvm_fault(0xfffffd806adce008, 0xe9779, 0, 1) -> e kernel: page fault trap, code=0 Stopped at db_read_bytes+0x110: movzbl 0xffffffffffffffff(%r15),%eax TID PID UID PRFLAGS PFLAGS CPU COMMAND *523163 37763 0 0 0x4000000 0 syz-executor 119167 67125 0 0 0x4000480 1 syz-executor db_read_bytes(e9779,1,ffff80003199d714) at db_read_bytes+0x110 sys/arch/amd64/amd64/db_memrw.c:85 db_get_value(e9779,1,0) at db_get_value+0x59 db_disasm(e9779,0) at db_disasm+0x94 db_trap(6,10) at db_trap+0x181 sys/ddb/db_trap.c:71 db_ktrap(6,10,ffff80003199d9b0) at db_ktrap+0x303 sys/arch/amd64/amd64/db_interface.c:151 kerntrap(ffff80003199d9b0) at kerntrap+0x1dc sys/arch/amd64/amd64/trap.c:323 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b acpi_pdirpa() at acpi_pdirpa+0xd55ea rt_clone(ffff80003199dc88,fffffd806ee6e5d0,0) at rt_clone+0x98 sys/net/route.c:383 route_mpath(fffffd806ee6e5b8,fffffd806ca10624,0,0) at route_mpath+0x170 rt_match sys/net/route.c:360 [inline] route_mpath(fffffd806ee6e5b8,fffffd806ca10624,0,0) at route_mpath+0x170 rtalloc_mpath sys/net/route.c:476 [inline] route_mpath(fffffd806ee6e5b8,fffffd806ca10624,0,0) at route_mpath+0x170 sys/net/route.c:255 in_pcbselsrc(ffff80003199dd78,fffffd806ca10620,fffffd806ee6e540) at in_pcbselsrc+0x250 in_pcbconnect(fffffd806ee6e540,fffffd806ca10600) at in_pcbconnect+0x11a sys/netinet/in_pcb.c:522 tcp_connect(ffff8000015887d8,fffffd806ca10600) at tcp_connect+0x3cb sys/netinet/tcp_usrreq.c:654 sys_connect(ffff80002a03ea40,ffff80003199dfa0,ffff80003199def0) at sys_connect+0x345 sys/kern/uipc_syscalls.c:422 end trace frame: 0xffff80003199df90, 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{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: uvm_fault(0xfffffd806adce008, 0xe9779, 0, 1) -> e ddb{0}> trace db_read_bytes(e9779,1,ffff80003199d714) at db_read_bytes+0x110 sys/arch/amd64/amd64/db_memrw.c:85 db_get_value(e9779,1,0) at db_get_value+0x59 db_disasm(e9779,0) at db_disasm+0x94 db_trap(6,10) at db_trap+0x181 sys/ddb/db_trap.c:71 db_ktrap(6,10,ffff80003199d9b0) at db_ktrap+0x303 sys/arch/amd64/amd64/db_interface.c:151 kerntrap(ffff80003199d9b0) at kerntrap+0x1dc sys/arch/amd64/amd64/trap.c:323 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b acpi_pdirpa() at acpi_pdirpa+0xd55ea rt_clone(ffff80003199dc88,fffffd806ee6e5d0,0) at rt_clone+0x98 sys/net/route.c:383 route_mpath(fffffd806ee6e5b8,fffffd806ca10624,0,0) at route_mpath+0x170 rt_match sys/net/route.c:360 [inline] route_mpath(fffffd806ee6e5b8,fffffd806ca10624,0,0) at route_mpath+0x170 rtalloc_mpath sys/net/route.c:476 [inline] route_mpath(fffffd806ee6e5b8,fffffd806ca10624,0,0) at route_mpath+0x170 sys/net/route.c:255 in_pcbselsrc(ffff80003199dd78,fffffd806ca10620,fffffd806ee6e540) at in_pcbselsrc+0x250 in_pcbconnect(fffffd806ee6e540,fffffd806ca10600) at in_pcbconnect+0x11a sys/netinet/in_pcb.c:522 tcp_connect(ffff8000015887d8,fffffd806ca10600) at tcp_connect+0x3cb sys/netinet/tcp_usrreq.c:654 sys_connect(ffff80002a03ea40,ffff80003199dfa0,ffff80003199def0) at sys_connect+0x345 sys/kern/uipc_syscalls.c:422 syscall(ffff80003199dfa0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80003199dfa0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xf489b70020, count: -16 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80003199d700 rbx 0x1 rdx 0xffff800001583700 rcx 0xffff80002a03ea40 rax 0xffffffff83472ff0 cpu_info_full_primary+0x1ff0 r8 0xffff80003199d830 r9 0x8080808080808080 r10 0x79327409a2c124da r11 0x63b762cd93a55aaa r12 0x1 r13 0x1 r14 0xffff80003199d715 r15 0xe977a acpi_pdirpa+0xd55eb rip 0xffffffff82612080 db_read_bytes+0x110 cs 0x8 rflags 0x10282 __ALIGN_SIZE+0xf282 rsp 0xffff80003199d6a0 ss 0x10 db_read_bytes+0x110: movzbl 0xffffffffffffffff(%r15),%eax ddb{0}> show proc PROC (syz-executor) tid=523163 pid=37763 tcnt=3 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a03f1d8,0xffff8000ffffca40 process=0xffff8000ffff44a0 user=0xffff800031999000, vmspace=0xfffffd806adce008 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 52874 121713 60887 0 2 0 syz-executor 52874 298912 60887 0 2 0x4000000 syz-executor 86179 252764 99480 0 2 0x100002 sh 8885 431908 33823 0 2 0x2 ifconfig 29746 182984 76007 0 2 0x10 syz-executor 29746 221717 76007 0 3 0x4000090 fsleep syz-executor 31996 242202 86893 0 2 0 syz-executor 31996 129887 86893 0 3 0x4000080 fsleep syz-executor 31996 144169 86893 0 2 0x4000000 syz-executor 33823 332106 57992 0 3 0x10008a sigsusp sh 37763 420738 82888 0 2 0 syz-executor *37763 523163 82888 0 7 0x4000000 syz-executor 37763 200504 82888 0 3 0x4000080 fsleep syz-executor 67125 239789 53180 0 3 0x80 nanoslp syz-executor 67125 119167 53180 0 7 0x4000480 syz-executor 67125 505448 53180 0 3 0x4000080 fsleep syz-executor 57992 53208 41036 0 3 0x82 wait syz-executor 99480 72273 41036 0 3 0x82 wait syz-executor 22132 77706 41036 0 2 0x2 syz-executor 76007 449692 41036 0 2 0x2 syz-executor 82888 460739 41036 0 3 0x82 nanoslp syz-executor 86893 493528 41036 0 2 0x482 syz-executor 53180 259380 41036 0 2 0x2 syz-executor 60887 206368 41036 0 2 0x482 syz-executor 22096 443626 0 0 3 0x14200 bored sosplice 41036 207954 2985 0 3 0x82 kqread syz-executor 2985 177762 43188 0 3 0x10008a sigsusp ksh 43188 371288 98902 0 3 0x98 kqread sshd-session 98902 349811 15802 0 3 0x92 kqread sshd-session 66532 359411 1 0 3 0x100083 ttyin getty 15802 163032 1 0 3 0x88 kqread sshd 26193 39166 10306 74 3 0x1100092 bpf pflogd 10306 261120 1 0 3 0x80 sbwait pflogd 72221 346076 41135 73 2 0x1100010 syslogd 41135 26537 1 0 3 0x100082 sbwait syslogd 48420 71100 1 0 3 0x100080 kqread resolvd 18298 125535 16343 77 3 0x100092 kqread dhcpleased 61354 301092 16343 77 3 0x100092 kqread dhcpleased 16343 433033 1 0 3 0x80 kqread dhcpleased 97515 372165 0 0 3 0x14200 bored smr 45776 69170 0 0 2 0x14200 zerothread 96035 144661 0 0 3 0x14200 aiodoned aiodoned 82357 177218 0 0 3 0x14200 syncer update 49817 467889 0 0 3 0x14200 cleaner cleaner 57120 409266 0 0 3 0x14200 reaper reaper 28509 400881 0 0 3 0x14200 pgdaemon pagedaemon 71943 324649 0 0 3 0x14200 bored viomb 65780 177147 0 0 3 0x40014200 acpi0 acpi0 82447 156260 0 0 3 0x40014200 idle1 20447 368224 0 0 3 0x14200 bored softnet3 31211 367479 0 0 3 0x14200 bored softnet2 94859 307030 0 0 3 0x14200 bored softnet1 49918 52083 0 0 3 0x14200 bored softnet0 25492 513792 0 0 3 0x14200 bored systqmp 93580 30828 0 0 3 0x14200 bored systq 70840 91799 0 0 3 0x14200 tmoslp softclockmp 18050 336941 0 0 3 0x40014200 tmoslp softclock 46352 271362 0 0 3 0x40014200 idle0 1 203278 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 37763 (syz-executor) thread 0xffff80002a03ea40 (523163) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff835a3c08) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 rt_clone+0x72 #2 route_mpath+0x170 rt_match sys/net/route.c:360 [inline] #2 route_mpath+0x170 rtalloc_mpath sys/net/route.c:476 [inline] #2 route_mpath+0x170 sys/net/route.c:255 #3 in_pcbselsrc+0x250 #4 in_pcbconnect+0x11a sys/netinet/in_pcb.c:522 #5 tcp_connect+0x3cb sys/netinet/tcp_usrreq.c:654 #6 sys_connect+0x345 sys/kern/uipc_syscalls.c:422 #7 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #7 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #8 Xsyscall+0x128 exclusive rwlock netlock r = 0 (0xffffffff834c1440) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 sys_connect+0x27f sys/kern/uipc_syscalls.c:413 #2 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #2 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #3 Xsyscall+0x128 Process 72221 (syslogd) thread 0xffff8000ffffd960 (346076) exclusive rrwlock inode r = 0 (0xfffffd806e14f5f0) #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:2926 #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 10200 14257K 14584K 166960K 11879 0 pcb 17 16K 21K 166960K 183 0 rtable 191 5K 6K 166960K 797 0 pf 31 17K 18K 166960K 80 0 ifaddr 34 5K 7K 166960K 106 0 ifgroup 47 2K 2K 166960K 120 0 sysctl 2 0K 0K 166960K 2 0 counters 60 35K 36K 166960K 96 0 ioctlops 0 0K 4K 166960K 1524 0 iov 0 0K 12K 166960K 14 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1380 87K 87K 166960K 1838 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 9 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 22 0 dirhash 12 2K 3K 166960K 24 0 ACPI 1690 195K 286K 166960K 12418 0 file desc 18 65K 97K 166960K 683 0 sigio 0 0K 0K 166960K 5 0 proc 79 103K 140K 166960K 983 0 subproc 99 6K 6K 166960K 320 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 54 0 in_multi 68 5K 7K 166960K 264 0 ether_multi 1 0K 0K 166960K 3 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 103 466K 466K 166960K 103 0 exec 0 0K 1K 166960K 606 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 222 64K 91K 166960K 6943 0 UVM aobj 16 2K 2K 166960K 17 0 pinsyscall 43 86K 110K 166960K 2160 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 11 0 NDP 18 1K 2K 166960K 71 0 temp 74 6824K 6936K 166960K 29119 0 kqueue 13 20K 30K 166960K 82 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 79 0 75 1 0 1 1 0 8 0 rtentry 112 271 0 184 4 0 4 4 0 8 1 unpcb 144 256 0 239 2 1 1 2 0 8 0 syncache 336 4 0 4 1 1 0 1 0 8 0 tcpcb 808 242 0 236 10 9 1 8 0 8 0 arp 120 47 0 31 1 0 1 1 0 8 0 inpcb 336 774 0 765 15 14 1 13 0 8 0 nd6 136 66 0 51 1 0 1 1 0 8 0 pkpcb 40 1 0 1 1 1 0 1 0 8 0 kcovpl 48 24 0 17 1 0 1 1 0 8 0 pffrag 232 2 0 0 1 0 1 1 0 482 0 pffrnode 88 2 0 0 1 0 1 1 0 8 0 pffrent 40 4 0 2 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 52 0 26 1 0 1 1 0 8 0 pfstkey 128 52 0 26 2 0 2 2 0 8 0 pfstate 376 51 0 26 4 0 4 4 0 8 0 pfrule 1344 21 0 15 2 0 2 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 1070 0 737 31 5 26 31 0 8 5 art_table 32 1071 0 737 4 0 4 4 0 8 1 art_node 16 267 0 188 1 0 1 1 0 8 0 sysvmsgpl 40 9 0 7 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 16 0 6 1 0 1 1 0 8 0 shmpl 112 14 0 1 1 0 1 1 0 8 0 dirhash 1024 25 0 8 3 0 3 3 0 8 0 dino2pl 256 2158 0 628 96 0 96 96 0 8 0 ffsino 272 2158 0 628 103 0 103 103 0 8 1 nchpl 144 2813 0 1114 64 0 64 64 0 8 0 uvmvnodes 80 2635 0 0 54 0 54 54 0 8 0 vnodes 216 2635 0 0 147 0 147 147 0 8 0 namei 1024 10453 0 10453 1 0 1 1 0 8 1 percpumem 16 62 0 18 1 0 1 1 0 8 0 kstatmem 264 56 0 36 2 0 2 2 0 8 0 scxspl 216 14682 0 14682 10 6 4 8 1 8 4 plimitpl 152 130 0 112 1 0 1 1 0 8 0 sigapl 424 958 0 907 7 1 6 7 0 8 0 futexpl 64 5275 0 5271 2 1 1 1 0 8 0 knotepl 120 330 0 0 10 0 10 10 0 8 0 kqueuepl 216 118 0 109 1 0 1 1 0 8 0 pipepl 320 210 0 183 3 0 3 3 0 8 0 fdescpl 496 939 0 907 8 3 5 6 0 8 0 filepl 152 4510 0 4267 18 8 10 16 0 8 0 lockfpl 104 121 0 119 1 0 1 1 0 8 0 lockfspl 48 54 0 52 1 0 1 1 0 8 0 sessionpl 144 39 0 30 1 0 1 1 0 8 0 pgrppl 48 66 0 49 1 0 1 1 0 8 0 ucredpl 104 610 0 596 1 0 1 1 0 8 0 zombiepl 144 907 0 907 1 0 1 1 0 8 1 processpl 1160 958 0 907 5 1 4 5 0 8 0 procpl 648 1513 0 1454 7 1 6 6 0 8 1 srpgc 96 2 0 2 1 1 0 1 0 8 0 sockpl 664 1114 0 1084 17 14 3 15 0 8 0 mcl64k 65536 3 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 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 260 0 0 33 0 33 33 0 8 0 mtagpl 96 9 0 0 1 0 1 1 0 8 0 mbufpl 256 268 0 0 17 0 17 17 0 8 0 bufpl 280 6131 0 97 431 0 431 431 0 8 0 anonpl 24 153706 0 150223 55 3 52 52 0 185 26 amapchunkpl 152 21451 0 20996 35 2 33 33 0 158 15 amappl16 200 2707 0 2698 27 22 5 14 0 8 3 amappl15 192 1 0 1 1 1 0 1 0 8 0 amappl14 184 141 0 129 1 0 1 1 0 8 0 amappl13 176 5 0 5 1 1 0 1 0 8 0 amappl12 168 1822 0 1789 4 2 2 3 0 8 0 amappl11 160 50 0 35 1 0 1 1 0 8 0 amappl10 152 6 0 6 1 1 0 1 0 8 0 amappl9 144 156 0 156 1 1 0 1 0 8 0 amappl8 136 20 0 17 1 0 1 1 0 8 0 amappl7 128 167 0 155 1 0 1 1 0 8 0 amappl6 120 309 0 305 1 0 1 1 0 8 0 amappl5 112 197 0 184 1 0 1 1 0 8 0 amappl4 104 376 0 357 1 0 1 1 0 8 0 amappl3 96 4401 0 4299 4 0 4 4 0 8 0 amappl2 88 888 0 816 2 0 2 2 0 8 0 amappl1 80 10289 0 9712 14 0 14 14 0 8 0 amappl 88 6428 0 6267 5 0 5 5 0 92 1 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 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 16 0 1 1 0 1 1 0 8 0 uaddrrnd 24 939 0 907 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 939 0 907 1 0 1 1 0 8 0 vmmpekpl 168 9100 0 9056 3 0 3 3 0 8 0 vmmpepl 168 63312 0 61524 101 11 90 95 0 357 11 vmsppl 440 938 0 907 6 2 4 5 0 8 0 rwobjpl 56 22487 0 18910 54 3 51 51 0 8 0 pdppl 4096 1885 0 1814 126 53 73 87 0 8 2 pvpl 32 28383 0 0 229 0 229 229 0 265 0 pmappl 248 938 0 907 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 443 0 84 11 0 11 11 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_read_bytes(e9779,1,ffff80003199d714) at db_read_bytes+0x110 sys/arch/amd64/amd64/db_memrw.c:85 db_get_value(e9779,1,0) at db_get_value+0x59 db_disasm(e9779,0) at db_disasm+0x94 db_trap(6,10) at db_trap+0x181 sys/ddb/db_trap.c:71 db_ktrap(6,10,ffff80003199d9b0) at db_ktrap+0x303 sys/arch/amd64/amd64/db_interface.c:151 kerntrap(ffff80003199d9b0) at kerntrap+0x1dc sys/arch/amd64/amd64/trap.c:323 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b acpi_pdirpa() at acpi_pdirpa+0xd55ea rt_clone(ffff80003199dc88,fffffd806ee6e5d0,0) at rt_clone+0x98 sys/net/route.c:383 route_mpath(fffffd806ee6e5b8,fffffd806ca10624,0,0) at route_mpath+0x170 rt_match sys/net/route.c:360 [inline] route_mpath(fffffd806ee6e5b8,fffffd806ca10624,0,0) at route_mpath+0x170 rtalloc_mpath sys/net/route.c:476 [inline] route_mpath(fffffd806ee6e5b8,fffffd806ca10624,0,0) at route_mpath+0x170 sys/net/route.c:255 in_pcbselsrc(ffff80003199dd78,fffffd806ca10620,fffffd806ee6e540) at in_pcbselsrc+0x250 in_pcbconnect(fffffd806ee6e540,fffffd806ca10600) at in_pcbconnect+0x11a sys/netinet/in_pcb.c:522 tcp_connect(ffff8000015887d8,fffffd806ca10600) at tcp_connect+0x3cb sys/netinet/tcp_usrreq.c:654 sys_connect(ffff80002a03ea40,ffff80003199dfa0,ffff80003199def0) at sys_connect+0x345 sys/kern/uipc_syscalls.c:422 syscall(ffff80003199dfa0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80003199dfa0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xf489b70020, count: -16 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+0x2c kd_curproc sys/dev/kcov.c:589 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c sys/dev/kcov.c:158 __mp_lock(ffffffff835a3a00) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835a3a00) at __mp_lock+0x1a3 sys/kern/kern_lock.c:144 __mp_acquire_count(ffffffff835a3a00,1) at __mp_acquire_count+0x58 mi_switch() at mi_switch+0x658 sys/kern/sched_bsd.c:460 sleep_finish(1,1) at sleep_finish+0x219 sys/kern/kern_synch.c:416 ptcwrite(601,ffff8000371c2940,1) at ptcwrite+0x34e sys/kern/tty_pty.c:567 spec_write(ffff8000371c2720) at spec_write+0x120 sys/kern/spec_vnops.c:302 VOP_WRITE(fffffd80776aa570,ffff8000371c2940,1,fffffd807f7d35b0) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_write(fffffd806fd73908,ffff8000371c2940,0) at vn_write+0x1d1 sys/kern/vfs_vnops.c:408 dofilewritev(ffff80002a03e2a8,5,ffff8000371c2940,0,ffff8000371c2a00) at dofilewritev+0x23c sys/kern/sys_generic.c:380 sys_writev(ffff80002a03e2a8,ffff8000371c2ab0,ffff8000371c2a00) at sys_writev+0xd8 sys/kern/sys_generic.c:327 end trace frame: 0xffff8000371c2aa0, 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+0x2c kd_curproc sys/dev/kcov.c:589 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c sys/dev/kcov.c:158 __mp_lock(ffffffff835a3a00) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835a3a00) at __mp_lock+0x1a3 sys/kern/kern_lock.c:144 __mp_acquire_count(ffffffff835a3a00,1) at __mp_acquire_count+0x58 mi_switch() at mi_switch+0x658 sys/kern/sched_bsd.c:460 sleep_finish(1,1) at sleep_finish+0x219 sys/kern/kern_synch.c:416 ptcwrite(601,ffff8000371c2940,1) at ptcwrite+0x34e sys/kern/tty_pty.c:567 spec_write(ffff8000371c2720) at spec_write+0x120 sys/kern/spec_vnops.c:302 VOP_WRITE(fffffd80776aa570,ffff8000371c2940,1,fffffd807f7d35b0) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_write(fffffd806fd73908,ffff8000371c2940,0) at vn_write+0x1d1 sys/kern/vfs_vnops.c:408 dofilewritev(ffff80002a03e2a8,5,ffff8000371c2940,0,ffff8000371c2a00) at dofilewritev+0x23c sys/kern/sys_generic.c:380 sys_writev(ffff80002a03e2a8,ffff8000371c2ab0,ffff8000371c2a00) at sys_writev+0xd8 sys/kern/sys_generic.c:327 syscall(ffff8000371c2ab0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000371c2ab0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe19e469520, count: -16