panic: receive 1: so 0xfffffd806f6e3000, so_type 3, sb_cc 2816 Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 248410 75281 73 0x100010 0 0 syslogd * 37085 11993 0 0 0 1K dhclient db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff821f2456) at panic+0x15c sys/kern/subr_prf.c:207 soreceive(fffffd806f6e3000,0,ffff800020eadd88,0,0,ffff800020eadc94) at soreceive+0x16ec sys/kern/uipc_socket.c:823 soo_read(fffffd80795f42f8,ffff800020eadd88,0) at soo_read+0x53 sys/kern/sys_socket.c:70 dofilereadv(ffff800020e6cea8,6,ffff800020eadd88,0,ffff800020eade70) at dofilereadv+0x1a1 sys/kern/sys_generic.c:237 sys_read(ffff800020e6cea8,ffff800020eade20,ffff800020eade70) at sys_read+0x83 sys/kern/sys_generic.c:157 syscall(ffff800020eadef0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020eadef0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffc7000, count: 7 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{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic receive 1: so 0xfffffd806f6e3000, so_type 3, sb_cc 2816 ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff821f2456) at panic+0x15c sys/kern/subr_prf.c:207 soreceive(fffffd806f6e3000,0,ffff800020eadd88,0,0,ffff800020eadc94) at soreceive+0x16ec sys/kern/uipc_socket.c:823 soo_read(fffffd80795f42f8,ffff800020eadd88,0) at soo_read+0x53 sys/kern/sys_socket.c:70 dofilereadv(ffff800020e6cea8,6,ffff800020eadd88,0,ffff800020eade70) at dofilereadv+0x1a1 sys/kern/sys_generic.c:237 sys_read(ffff800020e6cea8,ffff800020eade20,ffff800020eade70) at sys_read+0x83 sys/kern/sys_generic.c:157 syscall(ffff800020eadef0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020eadef0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffc7000, count: -8 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff800020eadad0 rbx 0xffff800020eadb80 rdx 0x8b rcx 0x2 rax 0x1 r8 0xffffffff81d1e19f kprintf+0x16f r9 0x1 r10 0x2 r11 0x9eeb78769f925f60 r12 0x3000000008 r13 0xffff800020eadae0 r14 0x100 r15 0x1 rip 0xffffffff817b3208 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800020eadac0 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{1}> show proc PROC (dhclient) pid=37085 stat=onproc flags process=0 proc=0 pri=24, usrpri=51, nice=20 forw=0xffffffffffffffff, list=0xffff800020e6c758,0xffff800020e6d128 process=0xffff800020e803e8 user=0xffff800020ea8000, vmspace=0xfffffd807efff5c0 estcpu=1, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 42552 66951 67428 0 2 0 syz-executor.1 42552 118062 67428 0 3 0x4000080 fsleep syz-executor.1 54860 208961 0 0 3 0x14200 acct acct 44275 128478 0 0 3 0x14200 bored sosplice 67428 406027 39275 0 3 0x82 nanosleep syz-executor.1 61750 326130 39275 0 3 0x82 piperd syz-executor.0 39275 152991 67289 0 3 0x82 thrsleep syz-fuzzer 39275 421417 67289 0 3 0x4000082 nanosleep syz-fuzzer 39275 397785 67289 0 3 0x4000082 thrsleep syz-fuzzer 39275 228779 67289 0 2 0x4000002 syz-fuzzer 39275 294798 67289 0 3 0x4000082 thrsleep syz-fuzzer 39275 421605 67289 0 3 0x4000082 thrsleep syz-fuzzer 39275 9327 67289 0 3 0x4000082 thrsleep syz-fuzzer 39275 38166 67289 0 3 0x4000082 thrsleep syz-fuzzer 39275 34824 67289 0 3 0x4000082 thrsleep syz-fuzzer 39275 71580 67289 0 3 0x4000082 kqread syz-fuzzer 67289 34116 3483 0 3 0x10008a pause ksh 3483 368061 96831 0 3 0x92 select sshd 51363 117495 1 0 3 0x100083 ttyin getty 96831 94666 1 0 3 0x80 select sshd 85960 313634 72270 74 3 0x100092 bpf pflogd 72270 30204 1 0 3 0x80 netio pflogd 75281 248410 41400 73 7 0x100010 syslogd 41400 33360 1 0 3 0x100082 netio syslogd 32393 100030 1 77 3 0x100090 poll dhclient *11993 37085 1 0 7 0 dhclient 96565 192800 0 0 3 0x14200 bored smr 25967 518252 0 0 2 0x14200 zerothread 69369 88840 0 0 3 0x14200 aiodoned aiodoned 49442 243824 0 0 3 0x14200 syncer update 8543 308619 0 0 3 0x14200 cleaner cleaner 24666 224617 0 0 3 0x14200 reaper reaper 52828 420172 0 0 3 0x14200 pgdaemon pagedaemon 5681 11261 0 0 3 0x14200 bored crynlk 42755 432725 0 0 3 0x14200 bored crypto 51654 96492 0 0 3 0x40014200 acpi0 acpi0 32758 314250 0 0 3 0x40014200 idle1 12565 251089 0 0 3 0x14200 bored softnet 4397 361332 0 0 3 0x14200 bored systqmp 65123 323991 0 0 3 0x14200 bored systq 6499 126431 0 0 3 0x40014200 bored softclock 3604 471353 0 0 3 0x40014200 idle0 1 74390 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks CPU 0: exclusive mutex &newfdp->fd_fd.fd_fplock r = 0 (0xfffffd806f67a280) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 mtx_enter_try+0x102 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 fd_getfile+0x4b sys/kern/kern_descrip.c:241 #4 recvit+0x64 getsock sys/kern/uipc_syscalls.c:1148 [inline] #4 recvit+0x64 sys/kern/uipc_syscalls.c:786 #5 sys_recvfrom+0xd0 sys/kern/uipc_syscalls.c:717 #6 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #6 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #7 Xsyscall+0x128 Process 11993 (dhclient) thread 0xffff800020e6cea8 (37085) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82686308) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 solock+0x66 sys/kern/uipc_socket2.c:292 #2 soreceive+0x114 sys/kern/uipc_socket.c:731 #3 soo_read+0x53 sys/kern/sys_socket.c:70 #4 dofilereadv+0x1a1 sys/kern/sys_generic.c:237 #5 sys_read+0x83 sys/kern/sys_generic.c:157 #6 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #6 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #7 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9530 6421K 6681K 78643K 11113 0 pcb 13 8K 8K 78643K 113 0 rtable 105 4K 4K 78643K 306 0 ifaddr 78 14K 14K 78643K 91 0 counters 45 34K 34K 78643K 45 0 ioctlops 0 0K 4K 78643K 1498 0 iov 0 0K 16K 78643K 86 0 mount 1 1K 1K 78643K 1 0 vnodes 1218 77K 77K 78643K 1397 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 4 0 VM map 2 1K 1K 78643K 2 0 sem 12 1K 1K 78643K 15 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 5 13K 25K 78643K 859 0 sigio 0 0K 0K 78643K 46 0 proc 63 63K 83K 78643K 476 0 subproc 32 2K 2K 78643K 34 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 28 0 in_multi 32 2K 2K 78643K 91 0 ether_multi 1 0K 0K 78643K 11 0 mrt 0 0K 0K 78643K 10 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 49 228K 228K 78643K 49 0 exec 0 0K 1K 78643K 253 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 7 26K 26K 78643K 7 0 UVM amap 155 89K 105K 78643K 3404 0 UVM aobj 27 2K 3K 78643K 30 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 74 0 NDP 14 0K 0K 78643K 22 0 temp 125 3039K 3103K 78643K 11163 0 kqueue 3 4K 8K 78643K 15 0 SYN cache 2 16K 16K 78643K 2 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 8 0 0 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 46 0 44 1 0 1 1 0 8 0 rtentry 112 73 0 32 2 0 2 2 0 8 0 unpcb 120 263 0 251 1 0 1 1 0 8 0 syncache 264 6 0 6 2 1 1 1 0 8 1 tcpqe 32 1 0 1 1 0 1 1 0 8 1 tcpcb 544 235 0 230 2 1 1 2 0 8 0 inpcb 280 628 0 618 5 3 2 2 0 8 1 rttmr 72 5 0 5 2 2 0 1 0 8 0 nd6 48 12 0 10 1 0 1 1 0 8 0 pkpcb 40 3 0 3 2 2 0 1 0 8 0 ppxss 1128 1 0 0 1 0 1 1 0 8 0 pffrag 232 2 0 2 1 0 1 1 0 482 1 pffrnode 88 2 0 2 1 0 1 1 0 8 1 pffrent 40 5 0 5 1 0 1 1 0 8 1 pfosfp 40 846 0 423 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfstitem 24 138 0 103 1 0 1 1 0 8 0 pfstkey 112 138 0 103 2 0 2 2 0 8 0 pfstate 328 138 0 103 7 2 5 7 0 8 0 pfrule 1360 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 307 0 144 14 2 12 14 0 8 0 art_table 32 308 0 144 2 0 2 2 0 8 0 art_node 16 71 0 33 1 0 1 1 0 8 0 sysvmsgpl 40 18 0 9 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 11 0 1 1 0 1 1 0 8 0 shmpl 112 28 0 3 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2427 0 1018 90 1 89 89 0 8 0 ffsino 272 2427 0 1018 95 0 95 95 0 8 0 nchpl 144 4632 0 3022 60 0 60 60 0 8 0 uvmvnodes 72 2586 0 0 48 0 48 48 0 8 0 vnodes 208 2586 0 0 137 0 137 137 0 8 0 namei 1024 10912 0 10912 2 1 1 1 0 8 1 percpumem 16 33 0 0 1 0 1 1 0 8 0 vcpupl 1984 8 0 0 1 0 1 1 0 8 0 vmpool 560 8 0 0 1 0 1 1 0 8 0 scxspl 192 10919 0 10919 12 11 1 7 0 8 1 plimitpl 152 57 0 49 1 0 1 1 0 8 0 sigapl 424 1076 0 1043 4 0 4 4 0 8 0 futexpl 56 10087 0 10086 2 1 1 1 0 8 0 knotepl 112 72 0 53 1 0 1 1 0 8 0 kqueuepl 144 65 0 63 1 0 1 1 0 8 0 pipelkpl 48 148 0 138 1 0 1 1 0 8 0 pipepl 120 296 0 277 1 0 1 1 0 8 0 fdescpl 496 1059 0 1043 3 0 3 3 0 8 0 filepl 152 5433 0 5332 5 0 5 5 0 8 1 lockfpl 104 125 0 124 1 0 1 1 0 8 0 lockfspl 48 45 0 44 1 0 1 1 0 8 0 sessionpl 112 18 0 7 1 0 1 1 0 8 0 pgrppl 48 24 0 13 1 0 1 1 0 8 0 ucredpl 96 389 0 380 1 0 1 1 0 8 0 zombiepl 144 1043 0 1043 1 0 1 1 0 8 1 processpl 984 1076 0 1043 5 0 5 5 0 8 0 procpl 624 2581 0 2538 4 0 4 4 0 8 0 sosppl 128 10 0 10 2 2 0 1 0 8 0 sockpl 400 940 0 918 6 3 3 5 0 8 0 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 10 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 8 0 0 1 0 1 1 0 8 0 mcl4k 4096 7 0 0 1 0 1 1 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 163 0 0 20 0 20 20 0 8 0 mtagpl 80 31 0 0 1 0 1 1 0 8 0 mbufpl 256 346 0 0 18 0 18 18 0 8 0 bufpl 280 4894 0 137 340 0 340 340 0 8 0 anonpl 16 99729 0 84998 82 14 68 68 0 124 7 amapchunkpl 152 6724 0 6581 38 18 20 20 0 158 12 amappl16 192 4255 0 3444 42 0 42 42 0 8 1 amappl15 184 291 0 289 1 0 1 1 0 8 0 amappl14 176 22 0 19 1 0 1 1 0 8 0 amappl13 168 564 0 559 1 0 1 1 0 8 0 amappl12 160 10 0 8 2 1 1 1 0 8 0 amappl11 152 345 0 329 1 0 1 1 0 8 0 amappl10 144 36 0 25 1 0 1 1 0 8 0 amappl9 136 385 0 384 1 0 1 1 0 8 0 amappl8 128 399 0 351 2 0 2 2 0 8 0 amappl7 120 120 0 108 1 0 1 1 0 8 0 amappl6 112 29 0 23 1 0 1 1 0 8 0 amappl5 104 962 0 945 1 0 1 1 0 8 0 amappl4 96 1025 0 996 1 0 1 1 0 8 0 amappl3 88 127 0 122 1 0 1 1 0 8 0 amappl2 80 7821 0 7750 2 0 2 2 0 8 0 amappl1 72 30654 0 30210 23 13 10 18 0 8 0 amappl 80 2839 0 2791 2 0 2 2 0 84 0 dma4096 4096 1 0 1 1 1 0 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 64 29 0 3 1 0 1 1 0 8 0 uaddrrnd 24 1067 0 1043 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1067 0 1043 1 0 1 1 0 8 0 vmmpekpl 168 10876 0 10843 2 0 2 2 0 8 0 vmmpepl 168 130567 0 128550 112 23 89 105 0 357 1 vmsppl 368 1066 0 1043 3 0 3 3 0 8 0 pdppl 4096 2142 0 2094 7 0 7 7 0 8 0 pvpl 32 309844 0 292200 193 29 164 164 0 265 19 pmappl 232 1066 0 1043 3 1 2 2 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 275 0 11 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffffffff824e6ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352 x86_ipi_handler() at x86_ipi_handler+0xc6 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __mp_lock(ffffffff82686100) at __mp_lock+0x127 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82686100) at __mp_lock+0x127 sys/kern/kern_lock.c:147 softintr_dispatch(0) at softintr_dispatch+0x4e sys/arch/amd64/amd64/softintr.c:89 Xsoftclock() at Xsoftclock+0x1f __mp_lock(ffffffff82686100) at __mp_lock+0x127 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82686100) at __mp_lock+0x127 sys/kern/kern_lock.c:147 solock(fffffd806eb3ee18) at solock+0x66 sys/kern/uipc_socket2.c:292 soreceive(fffffd806eb3ee18,ffff800020ee5970,ffff800020ee5938,0,0,ffff800020ee5a64) at soreceive+0x114 sys/kern/uipc_socket.c:731 recvit(ffff800020edf870,8,ffff800020ee5a38,7f7fffff71c4,ffff800020ee5b20) at recvit+0x32b sys/kern/uipc_syscalls.c:817 sys_recvfrom(ffff800020edf870,ffff800020ee5ad0,ffff800020ee5b20) at sys_recvfrom+0xd0 sys/kern/uipc_syscalls.c:717 syscall(ffff800020ee5ba0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020ee5ba0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7fffff7140, count: 2 ddb{0}> trace x86_ipi_db(ffffffff824e6ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352 x86_ipi_handler() at x86_ipi_handler+0xc6 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __mp_lock(ffffffff82686100) at __mp_lock+0x127 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82686100) at __mp_lock+0x127 sys/kern/kern_lock.c:147 softintr_dispatch(0) at softintr_dispatch+0x4e sys/arch/amd64/amd64/softintr.c:89 Xsoftclock() at Xsoftclock+0x1f __mp_lock(ffffffff82686100) at __mp_lock+0x127 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82686100) at __mp_lock+0x127 sys/kern/kern_lock.c:147 solock(fffffd806eb3ee18) at solock+0x66 sys/kern/uipc_socket2.c:292 soreceive(fffffd806eb3ee18,ffff800020ee5970,ffff800020ee5938,0,0,ffff800020ee5a64) at soreceive+0x114 sys/kern/uipc_socket.c:731 recvit(ffff800020edf870,8,ffff800020ee5a38,7f7fffff71c4,ffff800020ee5b20) at recvit+0x32b sys/kern/uipc_syscalls.c:817 sys_recvfrom(ffff800020edf870,ffff800020ee5ad0,ffff800020ee5b20) at sys_recvfrom+0xd0 sys/kern/uipc_syscalls.c:717 syscall(ffff800020ee5ba0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020ee5ba0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7fffff7140, count: -13 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x18: addq $0x8,%rsp db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff821f2456) at panic+0x15c sys/kern/subr_prf.c:207 soreceive(fffffd806f6e3000,0,ffff800020eadd88,0,0,ffff800020eadc94) at soreceive+0x16ec sys/kern/uipc_socket.c:823 soo_read(fffffd80795f42f8,ffff800020eadd88,0) at soo_read+0x53 sys/kern/sys_socket.c:70 dofilereadv(ffff800020e6cea8,6,ffff800020eadd88,0,ffff800020eade70) at dofilereadv+0x1a1 sys/kern/sys_generic.c:237 sys_read(ffff800020e6cea8,ffff800020eade20,ffff800020eade70) at sys_read+0x83 sys/kern/sys_generic.c:157 syscall(ffff800020eadef0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020eadef0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffc7000, count: 7 ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff821f2456) at panic+0x15c sys/kern/subr_prf.c:207 soreceive(fffffd806f6e3000,0,ffff800020eadd88,0,0,ffff800020eadc94) at soreceive+0x16ec sys/kern/uipc_socket.c:823 soo_read(fffffd80795f42f8,ffff800020eadd88,0) at soo_read+0x53 sys/kern/sys_socket.c:70 dofilereadv(ffff800020e6cea8,6,ffff800020eadd88,0,ffff800020eade70) at dofilereadv+0x1a1 sys/kern/sys_generic.c:237 sys_read(ffff800020e6cea8,ffff800020eade20,ffff800020eade70) at sys_read+0x83 sys/kern/sys_generic.c:157 syscall(ffff800020eadef0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020eadef0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffc7000, count: -8