uvm_fault(0xfffffd807002c008, 0x4, 0, 1) -> e kernel: page fault trap, code=0 Stopped at igmp_leavegroup+0xaf: movl 0x4(%rax),%r12d TID PID UID PRFLAGS PFLAGS CPU COMMAND igmp_leavegroup(ffff800000fb7840,ffff8000006b7000) at igmp_leavegroup+0xaf sys/netinet/igmp.c:512 in_delmulti(ffff800000fb7840) at in_delmulti+0xd8 sys/netinet/in.c:908 ip_freemoptions(ffff8000006c6d30) at ip_freemoptions+0x5d sys/netinet/ip_output.c:1770 in_pcbdetach(fffffd80785442a0) at in_pcbdetach+0x97 sys/netinet/in_pcb.c:591 tcp_close(ffff800000cddb48) at tcp_close+0x14d sys/netinet/tcp_subr.c:535 tcp_detach(fffffd8068305780) at tcp_detach+0x6b sys/netinet/tcp_usrreq.c:532 soclose(fffffd8068305780,0) at soclose+0x253 pru_detach sys/sys/protosw.h:281 [inline] soclose(fffffd8068305780,0) at soclose+0x253 sys/kern/uipc_socket.c:397 soo_close(fffffd80719e69d8,ffff8000216ef078) at soo_close+0x44 fdrop(fffffd80719e69d8,ffff8000216ef078) at fdrop+0xcb sys/kern/kern_descrip.c:1274 closef(fffffd80719e69d8,ffff8000216ef078) at closef+0x11b sys/kern/kern_descrip.c:1258 fdfree(ffff8000216ef078) at fdfree+0xf3 sys/kern/kern_descrip.c:1190 exit1(ffff8000216ef078,0,0,1) at exit1+0x35d sys/kern/kern_exit.c:197 sys_exit(ffff8000216ef078,ffff80002e90e670,ffff80002e90e6c0) at sys_exit+0x1a sys/kern/kern_exit.c:89 syscall(ffff80002e90e740) at syscall+0x4a8 sys/arch/amd64/amd64/trap.c:632 end trace frame: 0xffff80002e90e7c0, 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(0xfffffd807002c008, 0x4, 0, 1) -> e ddb> trace igmp_leavegroup(ffff800000fb7840,ffff8000006b7000) at igmp_leavegroup+0xaf sys/netinet/igmp.c:512 in_delmulti(ffff800000fb7840) at in_delmulti+0xd8 sys/netinet/in.c:908 ip_freemoptions(ffff8000006c6d30) at ip_freemoptions+0x5d sys/netinet/ip_output.c:1770 in_pcbdetach(fffffd80785442a0) at in_pcbdetach+0x97 sys/netinet/in_pcb.c:591 tcp_close(ffff800000cddb48) at tcp_close+0x14d sys/netinet/tcp_subr.c:535 tcp_detach(fffffd8068305780) at tcp_detach+0x6b sys/netinet/tcp_usrreq.c:532 soclose(fffffd8068305780,0) at soclose+0x253 pru_detach sys/sys/protosw.h:281 [inline] soclose(fffffd8068305780,0) at soclose+0x253 sys/kern/uipc_socket.c:397 soo_close(fffffd80719e69d8,ffff8000216ef078) at soo_close+0x44 fdrop(fffffd80719e69d8,ffff8000216ef078) at fdrop+0xcb sys/kern/kern_descrip.c:1274 closef(fffffd80719e69d8,ffff8000216ef078) at closef+0x11b sys/kern/kern_descrip.c:1258 fdfree(ffff8000216ef078) at fdfree+0xf3 sys/kern/kern_descrip.c:1190 exit1(ffff8000216ef078,0,0,1) at exit1+0x35d sys/kern/kern_exit.c:197 sys_exit(ffff8000216ef078,ffff80002e90e670,ffff80002e90e6c0) at sys_exit+0x1a sys/kern/kern_exit.c:89 syscall(ffff80002e90e740) at syscall+0x4a8 sys/arch/amd64/amd64/trap.c:632 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7daf95d5dfa0, count: -15 ddb> show registers rdi 0 rsi 0 rbp 0xffff80002e90e290 rbx 0 rdx 0 rcx 0x1 rax 0 r8 0 r9 0 r10 0xb243393879b1565a r11 0x79b2a06d3c64a0de r12 0 r13 0x3 r14 0xffff800000fb7840 r15 0xffff8000006b7000 rip 0xffffffff817f90df igmp_leavegroup+0xaf cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002e90e260 ss 0x10 igmp_leavegroup+0xaf: movl 0x4(%rax),%r12d ddb> show proc PROC (syz-executor.4) pid=17376 stat=onproc flags process=1008 proc=2000 pri=32, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff9880,0xffff8000216ecdd8 process=0xffff8000fffe93b8 user=0xffff80002e909000, vmspace=0xfffffd807002c008 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 93095 399767 75364 0 2 0 syz-executor.5 93095 450195 75364 0 2 0x4000000 syz-executor.5 93095 162990 75364 0 2 0x4000000 syz-executor.5 71676 308279 41367 0 2 0 syz-executor.0 71676 141966 41367 0 3 0x4000080 pipewr syz-executor.0 71676 432801 41367 0 2 0x4000000 syz-executor.0 71676 208677 41367 0 3 0x4000080 fsleep syz-executor.0 89929 59721 2241 0 2 0 syz-executor.3 89929 509393 2241 0 3 0x4000080 fsleep syz-executor.3 8158 155734 18612 0 2 0 syz-executor.6 8158 336993 18612 0 3 0x4000080 piperd syz-executor.6 72404 159145 42006 0 3 0x80 nanoslp syz-executor.1 72404 350157 42006 0 3 0x4000080 lockf syz-executor.1 42006 221218 99732 0 3 0x82 nanoslp syz-executor.1 23694 269027 1 0 3 0x100083 ttyin getty 18612 251878 99732 0 3 0x82 nanoslp syz-executor.6 74384 476050 99732 0 2 0x2 syz-executor.2 92790 461447 0 0 3 0x14200 acct acct 21739 200539 99732 0 2 0x2 syz-executor.7 2241 228917 99732 0 3 0x82 nanoslp syz-executor.3 75364 56551 99732 0 3 0x82 nanoslp syz-executor.5 41367 412406 99732 0 3 0x82 nanoslp syz-executor.0 57380 346615 0 0 3 0x14200 bored sosplice 23683 89934 0 0 3 0x14280 nfsidl nfsio 14548 71015 0 0 3 0x14280 nfsidl nfsio 16655 145276 0 0 3 0x14280 nfsidl nfsio 57769 484552 0 0 3 0x14280 nfsidl nfsio 29901 384311 0 0 3 0x14280 nfsidl nfsio 65108 295414 0 0 3 0x14280 nfsidl nfsio 81862 367908 0 0 3 0x14280 nfsidl nfsio 18173 495997 0 0 3 0x14280 nfsidl nfsio 90818 491809 0 0 3 0x14280 nfsidl nfsio 17345 84619 0 0 3 0x14280 nfsidl nfsio 71937 60667 0 0 3 0x14280 nfsidl nfsio 28646 432599 0 0 3 0x14280 nfsidl nfsio 35147 108760 0 0 3 0x14280 nfsidl nfsio 70799 338447 0 0 3 0x14280 nfsidl nfsio 25757 500359 0 0 3 0x14280 nfsidl nfsio 10119 106822 0 0 3 0x14280 nfsidl nfsio 67328 255635 0 0 3 0x14280 nfsidl nfsio 36391 74225 0 0 3 0x14280 nfsidl nfsio 98002 190035 0 0 3 0x14280 nfsidl nfsio 87890 79723 0 0 3 0x14280 nfsidl nfsio 98910 38295 99732 0 3 0x82 nanoslp syz-executor.4 99732 22321 28775 0 3 0x82 wait syz-fuzzer 99732 409758 28775 0 3 0x4000082 nanoslp syz-fuzzer 99732 70559 28775 0 2 0x4000002 syz-fuzzer 99732 173855 28775 0 3 0x4000082 thrsleep syz-fuzzer 99732 265064 28775 0 3 0x4000082 wait syz-fuzzer 99732 396531 28775 0 3 0x4000082 wait syz-fuzzer 99732 48895 28775 0 3 0x4000082 thrsleep syz-fuzzer 99732 383990 28775 0 3 0x4000082 wait syz-fuzzer 99732 221599 28775 0 3 0x4000082 wait syz-fuzzer 99732 251906 28775 0 3 0x4000082 wait syz-fuzzer 99732 185190 28775 0 3 0x4000082 thrsleep syz-fuzzer 99732 192524 28775 0 3 0x4000082 thrsleep syz-fuzzer 99732 505702 28775 0 3 0x4000082 wait syz-fuzzer 99732 415972 28775 0 3 0x4000082 thrsleep syz-fuzzer 99732 347066 28775 0 3 0x4000082 wait syz-fuzzer 28775 260239 54281 0 3 0x10008a sigsusp ksh 54281 105155 68711 0 2 0x12 sshd 68711 342691 1 0 3 0x88 kqread sshd 2299 387623 50391 73 3 0x1100090 kqread syslogd 50391 297461 1 0 3 0x100082 netio syslogd 11035 196454 1 0 3 0x100080 kqread resolvd 92352 226805 28301 77 3 0x100092 kqread dhcpleased 28215 153841 28301 77 3 0x100092 kqread dhcpleased 28301 332929 1 0 3 0x80 kqread dhcpleased 29485 415722 0 0 3 0x14200 bored smr 21757 145024 0 0 2 0x14200 zerothread 29254 366867 0 0 3 0x14200 aiodoned aiodoned 82251 213797 0 0 3 0x14200 syncer update 87735 322059 0 0 3 0x14200 cleaner cleaner 35028 179622 0 0 3 0x14200 reaper reaper 68704 165549 0 0 3 0x14200 pgdaemon pagedaemon 75 263054 0 0 3 0x14200 bored viomb 38617 442628 0 0 3 0x40014200 acpi0 acpi0 40267 516560 0 0 3 0x14200 bored softnet3 64363 61004 0 0 3 0x14200 bored softnet2 23029 349817 0 0 3 0x14200 bored softnet1 24400 182947 0 0 2 0x14200 softnet0 740 134718 0 0 3 0x14200 bored systqmp 70901 33033 0 0 3 0x14200 bored systq 30204 278158 0 0 3 0x40014200 bored softclock 96706 213382 0 0 3 0x40014200 idle0 1 169789 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 10208 6432K 7067K 78643K 19135 0 pcb 13 18K 20K 78643K 1400 0 rtable 232 17K 18K 78643K 1952 0 ifaddr 92 25K 25K 78643K 573 0 sysctl 2 0K 0K 78643K 2 0 counters 28 17K 17K 78643K 206 0 ioctlops 0 0K 4K 78643K 7397 0 iov 1 12K 32K 78643K 1227 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1660 104K 104K 78643K 12032 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 55 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 2059 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 16 57K 93K 78643K 6903 0 sigio 0 0K 0K 78643K 166 0 proc 59 59K 83K 78643K 1169 0 subproc 104 6K 6K 78643K 286 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 2 0K 0K 78643K 285 0 in_multi 95 6K 6K 78643K 388 0 ether_multi 2 0K 0K 78643K 38 0 mrt 1 0K 0K 78643K 36 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 205 917K 917K 78643K 205 0 exec 0 0K 1K 78643K 1166 0 pfkey data 0 0K 0K 78643K 8 0 tdb 3 0K 0K 78643K 3 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 8 62K 64K 78643K 10 0 UVM amap 371 90K 99K 78643K 68765 0 UVM aobj 23 2K 2K 78643K 26 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 120 0 NDP 16 0K 1K 78643K 184 0 temp 144 5858K 71522K 78643K 94780 0 kqueue 12 18K 30K 78643K 588 0 SYN cache 2 1544K 1552K 78643K 4 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle rtpcb 120 743 0 740 12 11 1 3 0 8 0 rtentry 112 474 0 377 4 0 4 4 0 8 0 unpcb 144 5244 0 5231 70 64 6 6 0 8 5 syncache 296 33 0 33 12 12 0 1 0 8 0 sackhl 24 1 0 1 1 1 0 1 0 8 0 tcpqe 32 216 0 216 6 6 0 1 0 8 0 tcpcb 776 2072 0 2064 97 96 1 14 0 8 0 arp 88 71 0 54 1 0 1 1 0 8 0 ipq 40 13 0 13 5 5 0 1 0 8 0 ipqe 40 61 0 61 5 5 0 1 0 8 0 inpcb 336 6816 0 6803 167 160 7 17 0 8 5 nd6 104 77 0 53 1 0 1 1 0 8 0 pkpcb 40 78 0 78 3 3 0 1 0 8 0 kcovpl 48 22 0 14 1 0 1 1 0 8 0 mppekey 1024 7 0 7 2 2 0 1 0 8 0 ppxss 1160 95 0 95 12 11 1 1 0 8 1 pppxif 1360 14 0 14 5 5 0 1 0 8 0 pfstscr 40 17 0 12 1 0 1 1 0 8 0 pfosfp 40 6185 0 6121 1 0 1 1 0 8 0 pfosfpen 112 6185 0 5888 9 0 9 9 0 8 0 pfanchor 1288 647 116 135 43 0 43 43 0 8 0 pfqueue 264 7 0 7 2 2 0 1 0 8 0 pfstitem 24 14 0 6 1 0 1 1 0 8 0 pfstkey 128 36 0 24 1 0 1 1 0 8 0 pfstate 352 18 0 14 1 0 1 1 0 8 0 rttmr 136 9 0 9 3 3 0 1 0 8 0 art_heap8 4096 4 0 3 4 3 1 3 0 8 0 art_heap4 256 1609 0 1182 49 22 27 32 0 8 0 art_table 32 1613 0 1185 5 1 4 5 0 8 0 art_node 16 385 0 301 1 0 1 1 0 8 0 sysvmsgpl 40 12 0 9 2 1 1 1 0 8 0 semapl 112 2054 0 2044 1 0 1 1 0 8 0 shmpl 112 23 0 3 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 10910 0 9460 92 0 92 92 0 8 0 ffsino 240 10910 0 9460 86 0 86 86 0 8 0 nchpl 144 20305 0 18664 63 0 63 63 0 8 0 rtmask 32 7 0 7 3 3 0 1 0 8 0 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 vnodes 216 5926 0 0 330 0 330 330 0 8 0 namei 1024 81002 0 81002 14 13 1 3 0 8 1 kstatmem 264 270 0 238 4 1 3 3 0 8 0 scsiplug 72 3 0 3 1 1 0 1 0 8 0 scxspl 216 69341 0 69341 27 26 1 8 0 8 1 plimitpl 152 979 0 964 1 0 1 1 0 8 0 sigapl 424 7200 0 7135 8 0 8 8 0 8 0 futexpl 64 72796 0 72794 5 4 1 1 0 8 0 knotepl 120 121460 0 121379 95 86 9 11 0 8 5 kqueuepl 184 1290 0 1282 18 16 2 7 0 8 1 pipepl 288 1539 0 1509 41 34 7 9 0 8 4 fdescpl 432 7162 0 7135 5 1 4 5 0 8 0 filepl 120 57513 0 57269 129 117 12 15 0 8 4 lockfpl 104 1472 0 1468 3 2 1 2 0 8 0 lockfspl 48 469 0 466 1 0 1 1 0 8 0 sessionpl 144 44 0 28 1 0 1 1 0 8 0 pgrppl 48 190 0 174 1 0 1 1 0 8 0 ucredpl 104 8354 0 8341 1 0 1 1 0 8 0 zombiepl 144 7136 0 7135 3 2 1 1 0 8 0 processpl 1008 7200 0 7135 11 2 9 9 0 8 0 procpl 696 19454 0 19367 28 19 9 10 0 8 0 sosppl 168 74 0 73 15 14 1 1 0 8 0 sockpl 456 12962 0 12935 426 414 12 33 0 8 8 mcl64k 65536 261 0 260 29 28 1 1 0 8 0 mcl16k 16384 118 0 118 29 28 1 1 0 8 1 mcl12k 12288 237 0 237 29 28 1 1 0 8 1 mcl9k 9216 90 0 90 28 28 0 1 0 8 0 mcl8k 8192 457 0 456 27 26 1 1 0 8 0 mcl4k 4096 1106 0 1103 11 10 1 1 0 8 0 mcl2k2 2112 62 0 62 28 28 0 1 0 8 0 mcl2k 2048 88691 0 88643 50 43 7 29 0 8 1 mtagpl 96 975 0 967 9 8 1 8 0 8 0 mbufpl 256 212735 0 212638 494 476 18 73 0 8 8 bufpl 288 16091 0 9706 457 0 457 457 0 8 0 anonpl 24 835274 0 819089 187 74 113 128 0 188 0 amapchunkpl 152 221506 0 220530 139 98 41 50 0 158 2 amappl16 200 16899 0 16418 68 42 26 39 0 8 0 amappl15 192 12 0 12 2 2 0 1 0 8 0 amappl14 184 211 0 197 2 1 1 2 0 8 0 amappl13 176 13 0 12 1 0 1 1 0 8 0 amappl12 168 7997 0 7970 2 0 2 2 0 8 0 amappl11 160 63 0 51 1 0 1 1 0 8 0 amappl10 152 70 0 58 1 0 1 1 0 8 0 amappl9 144 235 0 234 2 1 1 2 0 8 0 amappl8 136 304 0 232 3 0 3 3 0 8 0 amappl7 128 83 0 65 1 0 1 1 0 8 0 amappl6 120 389 0 373 2 1 1 2 0 8 0 amappl5 112 298 0 292 1 0 1 1 0 8 0 amappl4 104 916 0 883 2 0 2 2 0 8 0 amappl3 96 42975 0 42888 5 2 3 3 0 8 0 amappl2 88 7650 0 7586 4 2 2 3 0 8 0 amappl1 80 35185 0 34683 22 11 11 22 0 8 0 amappl 88 67926 0 67683 7 0 7 7 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 25 0 3 1 0 1 1 0 8 0 uaddrrnd 24 7162 0 7135 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 7162 0 7135 1 0 1 1 0 8 0 vmmpekpl 168 56489 0 56440 3 0 3 3 0 8 0 vmmpepl 168 441483 0 439153 262 142 120 128 0 357 12 vmsppl 368 7161 0 7135 4 1 3 4 0 8 0 rwobjpl 24 115515 0 108049 47 1 46 47 0 8 0 pdppl 4096 14330 0 14270 749 685 64 78 0 8 4 pvpl 32 2220177 0 2198466 542 354 188 334 0 265 0 pmappl 216 7161 0 7135 2 0 2 2 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 2316 0 1538 24 0 24 24 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace igmp_leavegroup(ffff800000fb7840,ffff8000006b7000) at igmp_leavegroup+0xaf sys/netinet/igmp.c:512 in_delmulti(ffff800000fb7840) at in_delmulti+0xd8 sys/netinet/in.c:908 ip_freemoptions(ffff8000006c6d30) at ip_freemoptions+0x5d sys/netinet/ip_output.c:1770 in_pcbdetach(fffffd80785442a0) at in_pcbdetach+0x97 sys/netinet/in_pcb.c:591 tcp_close(ffff800000cddb48) at tcp_close+0x14d sys/netinet/tcp_subr.c:535 tcp_detach(fffffd8068305780) at tcp_detach+0x6b sys/netinet/tcp_usrreq.c:532 soclose(fffffd8068305780,0) at soclose+0x253 pru_detach sys/sys/protosw.h:281 [inline] soclose(fffffd8068305780,0) at soclose+0x253 sys/kern/uipc_socket.c:397 soo_close(fffffd80719e69d8,ffff8000216ef078) at soo_close+0x44 fdrop(fffffd80719e69d8,ffff8000216ef078) at fdrop+0xcb sys/kern/kern_descrip.c:1274 closef(fffffd80719e69d8,ffff8000216ef078) at closef+0x11b sys/kern/kern_descrip.c:1258 fdfree(ffff8000216ef078) at fdfree+0xf3 sys/kern/kern_descrip.c:1190 exit1(ffff8000216ef078,0,0,1) at exit1+0x35d sys/kern/kern_exit.c:197 sys_exit(ffff8000216ef078,ffff80002e90e670,ffff80002e90e6c0) at sys_exit+0x1a sys/kern/kern_exit.c:89 syscall(ffff80002e90e740) at syscall+0x4a8 sys/arch/amd64/amd64/trap.c:632 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7daf95d5dfa0, count: -15 ddb> machine ddbcpu 1 No such command ddb> trace igmp_leavegroup(ffff800000fb7840,ffff8000006b7000) at igmp_leavegroup+0xaf sys/netinet/igmp.c:512 in_delmulti(ffff800000fb7840) at in_delmulti+0xd8 sys/netinet/in.c:908 ip_freemoptions(ffff8000006c6d30) at ip_freemoptions+0x5d sys/netinet/ip_output.c:1770 in_pcbdetach(fffffd80785442a0) at in_pcbdetach+0x97 sys/netinet/in_pcb.c:591 tcp_close(ffff800000cddb48) at tcp_close+0x14d sys/netinet/tcp_subr.c:535 tcp_detach(fffffd8068305780) at tcp_detach+0x6b sys/netinet/tcp_usrreq.c:532 soclose(fffffd8068305780,0) at soclose+0x253 pru_detach sys/sys/protosw.h:281 [inline] soclose(fffffd8068305780,0) at soclose+0x253 sys/kern/uipc_socket.c:397 soo_close(fffffd80719e69d8,ffff8000216ef078) at soo_close+0x44 fdrop(fffffd80719e69d8,ffff8000216ef078) at fdrop+0xcb sys/kern/kern_descrip.c:1274 closef(fffffd80719e69d8,ffff8000216ef078) at closef+0x11b sys/kern/kern_descrip.c:1258 fdfree(ffff8000216ef078) at fdfree+0xf3 sys/kern/kern_descrip.c:1190 exit1(ffff8000216ef078,0,0,1) at exit1+0x35d sys/kern/kern_exit.c:197 sys_exit(ffff8000216ef078,ffff80002e90e670,ffff80002e90e6c0) at sys_exit+0x1a sys/kern/kern_exit.c:89 syscall(ffff80002e90e740) at syscall+0x4a8 sys/arch/amd64/amd64/trap.c:632 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7daf95d5dfa0, count: -15