uvm_fault(0xfffffd8069c08758, 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 115263 15917 0 0x14000 0x200 0 reaper igmp_leavegroup(ffff800000d477c0,ffff8000006b8000) at igmp_leavegroup+0xaf sys/netinet/igmp.c:512 in_delmulti(ffff800000d477c0) at in_delmulti+0xd8 sys/netinet/in.c:908 ip_freemoptions(ffff8000006c8750) at ip_freemoptions+0x5d sys/netinet/ip_output.c:1770 in_pcbdetach(fffffd805bd51cf8) at in_pcbdetach+0x97 sys/netinet/in_pcb.c:591 udp_detach(fffffd806f0a1990) at udp_detach+0x3f sys/netinet/udp_usrreq.c:1113 soclose(fffffd806f0a1990,0) at soclose+0x253 pru_detach sys/sys/protosw.h:281 [inline] soclose(fffffd806f0a1990,0) at soclose+0x253 sys/kern/uipc_socket.c:397 soo_close(fffffd80661fc1e8,ffff800021237330) at soo_close+0x44 fdrop(fffffd80661fc1e8,ffff800021237330) at fdrop+0xcb sys/kern/kern_descrip.c:1274 closef(fffffd80661fc1e8,ffff800021237330) at closef+0x120 sys/kern/kern_descrip.c:1258 fdfree(ffff800021237330) at fdfree+0xf4 sys/kern/kern_descrip.c:1190 exit1(ffff800021237330,0,0,1) at exit1+0x37d sys/kern/kern_exit.c:197 sys_exit(ffff800021237330,ffff80002a1df890,ffff80002a1df8e0) at sys_exit+0x1a sys/kern/kern_exit.c:89 syscall(ffff80002a1df960) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002a1df960) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:632 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x759c23098640, count: 1 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 *cpu1: uvm_fault(0xfffffd8069c08758, 0x4, 0, 1) -> e ddb{1}> trace igmp_leavegroup(ffff800000d477c0,ffff8000006b8000) at igmp_leavegroup+0xaf sys/netinet/igmp.c:512 in_delmulti(ffff800000d477c0) at in_delmulti+0xd8 sys/netinet/in.c:908 ip_freemoptions(ffff8000006c8750) at ip_freemoptions+0x5d sys/netinet/ip_output.c:1770 in_pcbdetach(fffffd805bd51cf8) at in_pcbdetach+0x97 sys/netinet/in_pcb.c:591 udp_detach(fffffd806f0a1990) at udp_detach+0x3f sys/netinet/udp_usrreq.c:1113 soclose(fffffd806f0a1990,0) at soclose+0x253 pru_detach sys/sys/protosw.h:281 [inline] soclose(fffffd806f0a1990,0) at soclose+0x253 sys/kern/uipc_socket.c:397 soo_close(fffffd80661fc1e8,ffff800021237330) at soo_close+0x44 fdrop(fffffd80661fc1e8,ffff800021237330) at fdrop+0xcb sys/kern/kern_descrip.c:1274 closef(fffffd80661fc1e8,ffff800021237330) at closef+0x120 sys/kern/kern_descrip.c:1258 fdfree(ffff800021237330) at fdfree+0xf4 sys/kern/kern_descrip.c:1190 exit1(ffff800021237330,0,0,1) at exit1+0x37d sys/kern/kern_exit.c:197 sys_exit(ffff800021237330,ffff80002a1df890,ffff80002a1df8e0) at sys_exit+0x1a sys/kern/kern_exit.c:89 syscall(ffff80002a1df960) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002a1df960) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:632 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x759c23098640, count: -14 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff80002a1df520 rbx 0x7 rdx 0 rcx 0x1 rax 0 r8 0 r9 0x1 r10 0xd5569b62b973dbad r11 0x4bf208e2f195d168 r12 0 r13 0x3 r14 0xffff800000d477c0 r15 0xffff8000006b8000 rip 0xffffffff81f769cf igmp_leavegroup+0xaf cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002a1df4f0 ss 0x10 igmp_leavegroup+0xaf: movl 0x4(%rax),%r12d ddb{1}> show proc PROC (syz-executor.6) pid=489124 stat=onproc flags process=1008 proc=2000 pri=32, usrpri=83, nice=20 forw=0xffffffffffffffff, list=0xffff8000212375e8,0xffff80002121f5f0 process=0xffff8000212790d8 user=0xffff80002a1da000, vmspace=0xfffffd8069c08758 estcpu=33, cpticks=1, pctcpu=0.0 user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 27324 405494 14677 0 2 0 syz-executor.4 27324 422142 14677 0 3 0x4000080 fsleep syz-executor.4 79560 74208 24867 0 2 0 syz-executor.0 79560 54520 24867 0 3 0x4000080 fsleep syz-executor.0 21470 51522 24605 0 2 0 syz-executor.2 97684 380175 32173 0 2 0 syz-executor.7 97684 123429 32173 0 3 0x4000080 fsleep syz-executor.7 97684 380062 32173 0 2 0x4000000 syz-executor.7 76660 495417 44965 0 2 0 syz-executor.5 76660 341193 44965 0 2 0x4000000 syz-executor.5 67489 210817 40891 0 2 0 syz-executor.3 67489 421930 40891 0 3 0x4000080 fsleep syz-executor.3 49526 139778 0 0 3 0x14200 bored sosplice 50281 218268 73212 0 3 0x82 nanoslp syz-executor.6 32173 80788 73212 0 3 0x82 nanoslp syz-executor.7 44965 404214 73212 0 3 0x82 nanoslp syz-executor.5 40891 445726 73212 0 3 0x82 nanoslp syz-executor.3 14677 356266 73212 0 3 0x82 nanoslp syz-executor.4 24605 510299 73212 0 3 0x82 nanoslp syz-executor.2 34244 127541 73212 0 3 0x82 nanoslp syz-executor.1 24867 480774 73212 0 3 0x82 nanoslp syz-executor.0 73212 311506 97847 0 3 0x82 wait syz-fuzzer 73212 128443 97847 0 3 0x4000082 thrsleep syz-fuzzer 73212 265228 97847 0 3 0x4000082 wait syz-fuzzer 73212 142819 97847 0 3 0x4000082 wait syz-fuzzer 73212 31079 97847 0 3 0x4000082 wait syz-fuzzer 73212 131880 97847 0 3 0x4000082 wait syz-fuzzer 73212 264140 97847 0 3 0x4000082 thrsleep syz-fuzzer 73212 466042 97847 0 3 0x4000082 wait syz-fuzzer 73212 45821 97847 0 3 0x4000082 wait syz-fuzzer 73212 31901 97847 0 3 0x4000082 thrsleep syz-fuzzer 73212 518016 97847 0 3 0x4000082 thrsleep syz-fuzzer 73212 224195 97847 0 3 0x4000082 kqread syz-fuzzer 73212 202064 97847 0 3 0x4000082 wait syz-fuzzer 73212 427140 97847 0 3 0x4000082 thrsleep syz-fuzzer 73212 395561 97847 0 3 0x4000082 thrsleep syz-fuzzer 97847 235008 3405 0 3 0x10008a sigsusp ksh 3405 308176 17297 0 3 0x9a kqread sshd 54654 450539 1 0 3 0x100083 ttyin getty 17297 87417 1 0 3 0x88 kqread sshd 93501 519384 17155 74 3 0x1100092 bpf pflogd 17155 387723 1 0 3 0x80 netio pflogd 29511 453612 13851 73 3 0x1100090 kqread syslogd 13851 100268 1 0 3 0x100082 netio syslogd 20504 259431 1 0 3 0x100080 kqread resolvd 51653 81202 3974 77 3 0x100092 kqread dhcpleased 10122 396537 3974 77 3 0x100092 kqread dhcpleased 3974 239379 1 0 3 0x80 kqread dhcpleased 86349 304064 0 0 3 0x14200 bored smr 44466 265011 0 0 2 0x14200 zerothread 13786 470899 0 0 3 0x14200 aiodoned aiodoned 27564 184834 0 0 3 0x14200 syncer update 33712 520352 0 0 3 0x14200 cleaner cleaner 15917 115263 0 0 7 0x14200 reaper 78770 385039 0 0 3 0x14200 pgdaemon pagedaemon 58759 298844 0 0 3 0x14200 bored viomb 81271 352140 0 0 3 0x40014200 acpi0 acpi0 15871 380076 0 0 3 0x40014200 idle1 1707 361434 0 0 3 0x14200 bored softnet3 12802 362819 0 0 3 0x14200 bored softnet2 35089 91340 0 0 3 0x14200 bored softnet1 87797 154077 0 0 3 0x14200 bored softnet0 89757 103588 0 0 3 0x14200 bored systqmp 19401 473020 0 0 3 0x14200 bored systq 15099 485391 0 0 3 0x40014200 bored softclock 23066 10220 0 0 3 0x40014200 idle0 1 223190 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10208 6489K 6809K 78643K 11936 0 pcb 13 12K 14K 78643K 311 0 rtable 220 7K 8K 78643K 452 0 ifaddr 78 25K 26K 78643K 104 0 sysctl 2 0K 0K 78643K 2 0 counters 60 35K 36K 78643K 76 0 ioctlops 0 0K 4K 78643K 1518 0 iov 0 0K 28K 78643K 107 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1338 84K 84K 78643K 1798 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 16 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 177 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 17 61K 97K 78643K 1269 0 sigio 0 0K 0K 78643K 38 0 proc 69 91K 140K 78643K 606 0 subproc 104 6K 6K 78643K 104 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 2 0K 0K 78643K 762 0 in_multi 93 6K 6K 78643K 704 0 ether_multi 2 0K 0K 78643K 132 0 mrt 1 0K 0K 78643K 4 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 157 705K 705K 78643K 157 0 exec 0 0K 1K 78643K 524 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 363 92K 92K 78643K 15096 0 UVM aobj 11 2K 2K 78643K 17 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 41 0 NDP 12 0K 2K 78643K 33 0 temp 128 5862K 5941K 78643K 7882 0 kqueue 12 18K 24K 78643K 131 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 plcache 128 22 0 0 1 0 1 1 0 8 0 rtpcb 120 81 0 78 1 0 1 1 0 8 0 rtentry 112 113 0 15 4 0 4 4 0 8 0 unpcb 144 1203 0 1188 13 5 8 8 0 8 7 syncache 296 6 0 6 2 1 1 1 0 8 1 tcpqe 32 79 0 79 2 1 1 1 0 8 1 tcpcb 776 242 0 236 14 10 4 8 0 8 3 arp 120 18 0 0 1 0 1 1 0 8 0 inpcb 368 1642 0 1632 11 4 7 8 0 8 5 nd6 136 26 0 0 1 0 1 1 0 8 0 pkpcb 40 10 0 10 2 2 0 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1256 6 0 6 1 1 0 1 0 8 0 pfstscr 40 6 0 6 2 2 0 1 0 8 0 pffrag 232 2 0 2 1 1 0 1 0 482 0 pffrnode 88 2 0 2 1 1 0 1 0 8 0 pffrent 40 7 0 7 2 2 0 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 59 0 30 1 0 1 1 0 8 0 pfstkey 128 71 0 44 2 0 2 2 0 8 0 pfstate 384 63 0 36 4 0 4 4 0 8 0 pfrule 1344 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 256 462 0 65 29 2 27 29 0 8 0 art_table 32 463 0 65 4 0 4 4 0 8 0 art_node 16 112 0 24 1 0 1 1 0 8 0 sysvmsgpl 40 27 0 11 1 0 1 1 0 8 0 semapl 112 175 0 165 1 0 1 1 0 8 0 shmpl 112 14 0 6 2 1 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 3059 0 1608 91 0 91 91 0 8 0 ffsino 272 3059 0 1608 97 0 97 97 0 8 0 nchpl 144 4968 0 3276 64 0 64 64 0 8 0 rtmask 32 3 0 3 1 1 0 1 0 8 0 uvmvnodes 80 3472 0 0 71 0 71 71 0 8 0 vnodes 216 3472 0 0 193 0 193 193 0 8 0 namei 1024 15711 0 15711 2 1 1 2 0 8 1 percpumem 16 51 0 8 1 0 1 1 0 8 0 kstatmem 264 34 0 10 2 0 2 2 0 8 0 scsiplug 72 6 0 6 1 1 0 1 0 8 0 scxspl 216 14459 0 14459 11 10 1 8 0 8 1 plimitpl 152 130 0 114 1 0 1 1 0 8 0 sigapl 424 1583 0 1534 8 2 6 7 0 8 0 futexpl 64 11330 0 11326 1 0 1 1 0 8 0 knotepl 120 357 0 0 11 0 11 11 0 8 0 kqueuepl 216 150 0 142 1 0 1 1 0 8 0 pipepl 320 401 0 373 8 5 3 8 0 8 0 fdescpl 496 1565 0 1535 5 1 4 5 0 8 0 filepl 152 9211 0 8968 26 8 18 18 0 8 8 lockfpl 104 281 0 279 2 0 2 2 0 8 1 lockfspl 48 61 0 59 1 0 1 1 0 8 0 sessionpl 144 24 0 7 1 0 1 1 0 8 0 pgrppl 48 24 0 7 1 0 1 1 0 8 0 ucredpl 104 985 0 973 1 0 1 1 0 8 0 zombiepl 144 1536 0 1534 1 0 1 1 0 8 0 processpl 1072 1583 0 1534 4 0 4 4 0 8 0 procpl 696 3803 0 3733 8 0 8 8 0 8 0 srpgc 96 2 0 2 1 1 0 1 0 8 0 sosppl 168 24 0 24 3 2 1 1 0 8 1 sockpl 488 2936 0 2908 73 61 12 29 0 8 8 mcl64k 65536 11 0 0 2 0 2 2 0 8 0 mcl16k 16384 6 0 0 1 0 1 1 0 8 0 mcl12k 12288 11 0 0 2 0 2 2 0 8 0 mcl9k 9216 4 0 0 1 0 1 1 0 8 0 mcl8k 8192 8 0 0 1 0 1 1 0 8 0 mcl4k 4096 12 0 0 2 0 2 2 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 414 0 0 51 0 51 51 0 8 0 mtagpl 96 9 0 0 1 0 1 1 0 8 0 mbufpl 256 937 0 0 58 0 58 58 0 8 0 bufpl 288 5402 0 146 376 0 376 376 0 8 0 anonpl 24 286449 0 270801 111 11 100 111 0 186 0 amapchunkpl 152 47923 0 46962 46 6 40 42 0 158 2 amappl16 200 7046 0 6609 33 9 24 33 0 8 0 amappl15 192 10 0 10 1 1 0 1 0 8 0 amappl14 184 191 0 176 2 1 1 2 0 8 0 amappl13 176 10 0 10 1 1 0 1 0 8 0 amappl12 168 2234 0 2200 4 2 2 3 0 8 0 amappl11 160 52 0 38 1 0 1 1 0 8 0 amappl10 152 27 0 18 1 0 1 1 0 8 0 amappl9 144 207 0 205 2 1 1 2 0 8 0 amappl8 136 234 0 167 3 0 3 3 0 8 0 amappl7 128 68 0 52 1 0 1 1 0 8 0 amappl6 120 250 0 234 2 1 1 2 0 8 0 amappl5 112 174 0 165 1 0 1 1 0 8 0 amappl4 104 657 0 612 2 0 2 2 0 8 0 amappl3 96 9544 0 9456 4 1 3 3 0 8 0 amappl2 88 1835 0 1766 3 1 2 3 0 8 0 amappl1 80 13999 0 13441 23 10 13 23 0 8 0 amappl 88 14546 0 14305 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 16 0 6 1 0 1 1 0 8 0 uaddrrnd 24 1565 0 1535 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1565 0 1535 1 0 1 1 0 8 0 vmmpekpl 168 17953 0 17892 5 1 4 4 0 8 0 vmmpepl 168 112788 0 110370 126 17 109 121 0 357 1 vmsppl 464 1564 0 1535 5 1 4 5 0 8 0 rwobjpl 56 38162 0 33132 72 1 71 71 0 8 0 pdppl 4096 3138 0 3070 166 96 70 86 0 8 2 pvpl 32 673937 0 652659 342 51 291 341 0 265 113 pmappl 248 1564 0 1535 3 1 2 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 895 0 106 23 0 23 23 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp x86_ipi_db(ffffffff82b74ff0) at x86_ipi_db+0x1e sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __mp_lock(ffffffff82c84498) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82c84498) at __mp_lock+0x122 sys/kern/kern_lock.c:147 softintr_dispatch(0) at softintr_dispatch+0x52 sys/arch/amd64/amd64/softintr.c:88 Xsoftclock() at Xsoftclock+0x23 __mp_lock(ffffffff82c84498) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82c84498) at __mp_lock+0x122 sys/kern/kern_lock.c:147 reaper(ffff8000211acae8) at reaper+0x160 sys/kern/kern_exit.c:437 end trace frame: 0x0, count: 7 ddb{0}> trace x86_ipi_db(ffffffff82b74ff0) at x86_ipi_db+0x1e sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __mp_lock(ffffffff82c84498) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82c84498) at __mp_lock+0x122 sys/kern/kern_lock.c:147 softintr_dispatch(0) at softintr_dispatch+0x52 sys/arch/amd64/amd64/softintr.c:88 Xsoftclock() at Xsoftclock+0x23 __mp_lock(ffffffff82c84498) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82c84498) at __mp_lock+0x122 sys/kern/kern_lock.c:147 reaper(ffff8000211acae8) at reaper+0x160 sys/kern/kern_exit.c:437 end trace frame: 0x0, count: -8 ddb{0}> machine ddbcpu 1 Stopped at igmp_leavegroup+0xaf: movl 0x4(%rax),%r12d igmp_leavegroup(ffff800000d477c0,ffff8000006b8000) at igmp_leavegroup+0xaf sys/netinet/igmp.c:512 in_delmulti(ffff800000d477c0) at in_delmulti+0xd8 sys/netinet/in.c:908 ip_freemoptions(ffff8000006c8750) at ip_freemoptions+0x5d sys/netinet/ip_output.c:1770 in_pcbdetach(fffffd805bd51cf8) at in_pcbdetach+0x97 sys/netinet/in_pcb.c:591 udp_detach(fffffd806f0a1990) at udp_detach+0x3f sys/netinet/udp_usrreq.c:1113 soclose(fffffd806f0a1990,0) at soclose+0x253 pru_detach sys/sys/protosw.h:281 [inline] soclose(fffffd806f0a1990,0) at soclose+0x253 sys/kern/uipc_socket.c:397 soo_close(fffffd80661fc1e8,ffff800021237330) at soo_close+0x44 fdrop(fffffd80661fc1e8,ffff800021237330) at fdrop+0xcb sys/kern/kern_descrip.c:1274 closef(fffffd80661fc1e8,ffff800021237330) at closef+0x120 sys/kern/kern_descrip.c:1258 fdfree(ffff800021237330) at fdfree+0xf4 sys/kern/kern_descrip.c:1190 exit1(ffff800021237330,0,0,1) at exit1+0x37d sys/kern/kern_exit.c:197 sys_exit(ffff800021237330,ffff80002a1df890,ffff80002a1df8e0) at sys_exit+0x1a sys/kern/kern_exit.c:89 syscall(ffff80002a1df960) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002a1df960) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:632 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x759c23098640, count: 1 ddb{1}> trace igmp_leavegroup(ffff800000d477c0,ffff8000006b8000) at igmp_leavegroup+0xaf sys/netinet/igmp.c:512 in_delmulti(ffff800000d477c0) at in_delmulti+0xd8 sys/netinet/in.c:908 ip_freemoptions(ffff8000006c8750) at ip_freemoptions+0x5d sys/netinet/ip_output.c:1770 in_pcbdetach(fffffd805bd51cf8) at in_pcbdetach+0x97 sys/netinet/in_pcb.c:591 udp_detach(fffffd806f0a1990) at udp_detach+0x3f sys/netinet/udp_usrreq.c:1113 soclose(fffffd806f0a1990,0) at soclose+0x253 pru_detach sys/sys/protosw.h:281 [inline] soclose(fffffd806f0a1990,0) at soclose+0x253 sys/kern/uipc_socket.c:397 soo_close(fffffd80661fc1e8,ffff800021237330) at soo_close+0x44 fdrop(fffffd80661fc1e8,ffff800021237330) at fdrop+0xcb sys/kern/kern_descrip.c:1274 closef(fffffd80661fc1e8,ffff800021237330) at closef+0x120 sys/kern/kern_descrip.c:1258 fdfree(ffff800021237330) at fdfree+0xf4 sys/kern/kern_descrip.c:1190 exit1(ffff800021237330,0,0,1) at exit1+0x37d sys/kern/kern_exit.c:197 sys_exit(ffff800021237330,ffff80002a1df890,ffff80002a1df8e0) at sys_exit+0x1a sys/kern/kern_exit.c:89 syscall(ffff80002a1df960) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002a1df960) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:632 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x759c23098640, count: -14