panic: malformed IPv4 option passed to ip_optcopy Stopped at db_enter+0x1c: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 117720 48753 0 0 0 0 syz-executor.7 *370515 48753 0 0 0x4000000 1 syz-executor.7 db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82914c9b) at panic+0x17b sys/kern/subr_prf.c:198 ip_fragment(fffffd806cdd8300,ffff80003742bdd8,ffff8000001a02a8,5dc) at ip_fragment+0x5b4 ip_output(fffffd806cdd8300,0,fffffd806f495cb8,22,0,0,53f51aeb133f954c) at ip_output+0xe3c sys/netinet/ip_output.c:478 divert_output(fffffd806f495c40,fffffd806cdd8300,fffffd806cec0000,0) at divert_output+0x30a sys/netinet/ip_divert.c:174 sosend(ffff800000dfc6e8,fffffd806cec0000,ffff80003742c040,0,0,0) at sosend+0x66d sendit(ffff80002a1712b0,3,ffff80003742c1d8,0,ffff80003742c1c8) at sendit+0x65d sys/kern/uipc_syscalls.c:786 sys_sendmmsg(ffff80002a1712b0,ffff80003742c380,ffff80003742c2d0) at sys_sendmmsg+0x344 sys/kern/uipc_syscalls.c:677 syscall(ffff80003742c380) at syscall+0x5ae mi_syscall sys/sys/syscall_mi.h:183 [inline] syscall(ffff80003742c380) at syscall+0x5ae sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x9a1f9b8f4f0, count: 5 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: malformed IPv4 option passed to ip_optcopy ddb{1}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82914c9b) at panic+0x17b sys/kern/subr_prf.c:198 ip_fragment(fffffd806cdd8300,ffff80003742bdd8,ffff8000001a02a8,5dc) at ip_fragment+0x5b4 ip_output(fffffd806cdd8300,0,fffffd806f495cb8,22,0,0,53f51aeb133f954c) at ip_output+0xe3c sys/netinet/ip_output.c:478 divert_output(fffffd806f495c40,fffffd806cdd8300,fffffd806cec0000,0) at divert_output+0x30a sys/netinet/ip_divert.c:174 sosend(ffff800000dfc6e8,fffffd806cec0000,ffff80003742c040,0,0,0) at sosend+0x66d sendit(ffff80002a1712b0,3,ffff80003742c1d8,0,ffff80003742c1c8) at sendit+0x65d sys/kern/uipc_syscalls.c:786 sys_sendmmsg(ffff80002a1712b0,ffff80003742c380,ffff80003742c2d0) at sys_sendmmsg+0x344 sys/kern/uipc_syscalls.c:677 syscall(ffff80003742c380) at syscall+0x5ae mi_syscall sys/sys/syscall_mi.h:183 [inline] syscall(ffff80003742c380) at syscall+0x5ae sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x9a1f9b8f4f0, count: -10 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80003742bc20 rbx 0xffff800029ceccb7 rdx 0xffff800000df2bc0 rcx 0xffff80002a1712b0 rax 0xffff800029cebff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x8b9e5a4a30a9d626 r11 0xae06ef43a999755a r12 0xffff800029cecab8 r13 0 r14 0 r15 0x1 rip 0xffffffff81ab58dc db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff80003742bc10 ss 0x10 db_enter+0x1c: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.7) tid=370515 pid=48753 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=51, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff80002bc82d50,0xffff80002a171d60 process=0xffff8000373a7100 user=0xffff800037427000, vmspace=0xfffffd80665cee38 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 82754 155180 54228 0 2 0 syz-executor.1 48753 117720 78533 0 7 0 syz-executor.7 *48753 370515 78533 0 7 0x4000000 syz-executor.7 72003 196621 75240 0 2 0 syz-executor.4 72003 36174 75240 0 3 0x4000080 fsleep syz-executor.4 72003 352354 75240 0 3 0x4000080 fsleep syz-executor.4 72003 190295 75240 0 3 0x4000080 fsleep syz-executor.4 31496 25455 9798 0 3 0x1000080 nanoslp syz-executor.3 31496 240094 9798 0 3 0x5000080 kqpoll syz-executor.3 31496 271576 9798 0 3 0x5000080 fsleep syz-executor.3 49078 14851 13442 0 2 0 syz-executor.5 49078 178917 13442 0 3 0x4000080 fsleep syz-executor.5 49078 234173 13442 0 3 0x4000080 fsleep syz-executor.5 93104 200856 58167 0 3 0x80 nanoslp syz-executor.2 93104 509114 58167 0 3 0x4000080 ttyout syz-executor.2 93104 264023 58167 0 3 0x4000080 fsleep syz-executor.2 82558 66413 0 0 3 0x14280 nfsidl nfsio 69917 509765 0 0 3 0x14280 nfsidl nfsio 89675 104350 0 0 3 0x14280 nfsidl nfsio 93791 127715 0 0 3 0x14280 nfsidl nfsio 66781 510540 0 0 3 0x14280 nfsidl nfsio 99247 199972 0 0 3 0x14280 nfsidl nfsio 525 170916 0 0 3 0x14280 nfsidl nfsio 39987 27519 0 0 3 0x14280 nfsidl nfsio 35238 34523 0 0 3 0x14280 nfsidl nfsio 53975 329581 0 0 3 0x14280 nfsidl nfsio 22616 397347 0 0 3 0x14280 nfsidl nfsio 77209 81415 0 0 3 0x14280 nfsidl nfsio 4087 108485 0 0 3 0x14280 nfsidl nfsio 57274 292663 0 0 3 0x14280 nfsidl nfsio 95997 477923 0 0 3 0x14280 nfsidl nfsio 80602 508346 0 0 3 0x14280 nfsidl nfsio 76883 215627 0 0 3 0x14280 nfsidl nfsio 53993 493007 0 0 3 0x14280 nfsidl nfsio 10356 320906 0 0 3 0x14280 nfsidl nfsio 6919 277030 0 0 3 0x14280 nfsidl nfsio 48523 434617 82614 0 3 0x80 nanoslp syz-executor.6 48523 271020 82614 0 3 0x4000080 kqpoll syz-executor.6 48523 185805 82614 0 3 0x4000080 fsleep syz-executor.6 78533 332813 9930 0 2 0x482 syz-executor.7 82614 66476 9930 0 2 0x482 syz-executor.6 13442 384147 9930 0 3 0x82 nanoslp syz-executor.5 75240 368120 9930 0 3 0x82 nanoslp syz-executor.4 9798 20645 9930 0 3 0x82 nanoslp syz-executor.3 58167 80486 9930 0 3 0x82 nanoslp syz-executor.2 54228 482130 9930 0 2 0x2 syz-executor.1 79009 226070 9930 0 2 0x2 syz-executor.0 9930 212218 13165 0 3 0x2000082 wait syz-fuzzer 9930 352072 13165 0 3 0x6000082 thrsleep syz-fuzzer 9930 92303 13165 0 3 0x6000082 wait syz-fuzzer 9930 483912 13165 0 3 0x6000082 wait syz-fuzzer 9930 6896 13165 0 3 0x6000082 thrsleep syz-fuzzer 9930 92193 13165 0 3 0x6000082 wait syz-fuzzer 9930 39861 13165 0 3 0x6000082 wait syz-fuzzer 9930 307603 13165 0 3 0x6000082 wait syz-fuzzer 9930 387331 13165 0 3 0x6000082 thrsleep syz-fuzzer 9930 280492 13165 0 3 0x6000082 wait syz-fuzzer 9930 363511 13165 0 3 0x6000082 wait syz-fuzzer 9930 351462 13165 0 3 0x6000082 thrsleep syz-fuzzer 9930 207268 13165 0 3 0x6000082 kqread syz-fuzzer 9930 27406 13165 0 3 0x6000082 thrsleep syz-fuzzer 9930 201655 13165 0 3 0x6000082 thrsleep syz-fuzzer 13165 257613 83234 0 3 0x10008a sigsusp ksh 83234 345007 5735 0 3 0x9a kqread sshd 96449 107188 1 0 3 0x100083 ttyin getty 5735 228594 1 0 3 0x88 kqread sshd 62532 226132 23593 74 3 0x1100092 bpf pflogd 23593 265829 1 0 3 0x80 netio pflogd 92141 431424 39655 73 3 0x1100090 kqread syslogd 39655 477202 1 0 3 0x100082 netio syslogd 39244 202841 1 0 3 0x100080 kqread resolvd 62872 216138 10483 77 3 0x100092 kqread dhcpleased 96804 32829 10483 77 3 0x100092 kqread dhcpleased 10483 205465 1 0 3 0x80 kqread dhcpleased 80898 261860 0 0 3 0x14200 bored smr 21732 19682 0 0 2 0x14200 zerothread 40890 336726 0 0 3 0x14200 aiodoned aiodoned 49727 243485 0 0 3 0x14200 syncer update 45167 86538 0 0 3 0x14200 cleaner cleaner 41049 235016 0 0 3 0x14200 reaper reaper 11505 241702 0 0 3 0x14200 pgdaemon pagedaemon 75407 305463 0 0 3 0x14200 bored viomb 35780 111200 0 0 3 0x40014200 acpi0 acpi0 56056 37457 0 0 3 0x40014200 idle1 3355 65665 0 0 3 0x14200 bored softnet3 92449 246211 0 0 3 0x14200 bored softnet2 71971 159947 0 0 3 0x14200 bored softnet1 74994 9830 0 0 3 0x14200 bored softnet0 84235 219724 0 0 3 0x14200 bored systqmp 95198 504050 0 0 3 0x14200 bored systq 63577 458389 0 0 3 0x14200 tmoslp softclockmp 48867 338738 0 0 3 0x40014200 tmoslp softclock 84805 357271 0 0 3 0x40014200 idle0 1 465219 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 48753 (syz-executor.7) thread 0xffff80002a1712b0 (370515) exclusive rwlock inet r = 0 (0xffff800000dfc700) #0 witness_lock+0x447 #1 sosend+0x4fe sys/kern/uipc_socket.c:642 #2 sendit+0x65d sys/kern/uipc_syscalls.c:786 #3 sys_sendmmsg+0x344 sys/kern/uipc_syscalls.c:677 #4 syscall+0x5ae mi_syscall sys/sys/syscall_mi.h:183 [inline] #4 syscall+0x5ae sys/arch/amd64/amd64/trap.c:577 #5 Xsyscall+0x128 shared rwlock netlock r = 0 (0xffffffff82d48390) #0 witness_lock+0x447 #1 solock_shared+0x68 sys/kern/uipc_socket2.c:374 #2 sosend+0x4fe sys/kern/uipc_socket.c:642 #3 sendit+0x65d sys/kern/uipc_syscalls.c:786 #4 sys_sendmmsg+0x344 sys/kern/uipc_syscalls.c:677 #5 syscall+0x5ae mi_syscall sys/sys/syscall_mi.h:183 [inline] #5 syscall+0x5ae sys/arch/amd64/amd64/trap.c:577 #6 Xsyscall+0x128 Process 79009 (syz-executor.0) thread 0xffff80002a188010 (226070) exclusive rrwlock inode r = 0 (0xfffffd8067b3f808) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 ufs_ihashins+0x46 sys/ufs/ufs/ufs_ihash.c:140 #5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1230 #6 ffs_inode_alloc+0x1c5 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0xfb sys/ufs/ufs/ufs_vnops.c:1127 #8 VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 #9 domkdirat+0x125 sys/kern/vfs_syscalls.c:3069 #10 syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline] #10 syscall+0x533 sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd80698091b0) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0xd5 sys/kern/vfs_lookup.c:418 #6 namei+0x55a sys/kern/vfs_lookup.c:250 #7 domkdirat+0x79 sys/kern/vfs_syscalls.c:3054 #8 syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline] #8 syscall+0x533 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10182 6470K 6498K 166960K 11275 0 pcb 15 10K 10K 166960K 15 0 rtable 234 6K 6K 166960K 354 0 pf 32 9K 10K 166960K 43 0 ifaddr 45 15K 15K 166960K 47 0 ifgroup 55 2K 2K 166960K 55 0 counters 64 36K 36K 166960K 64 0 ioctlops 0 0K 4K 166960K 1498 0 iov 0 0K 2K 166960K 5 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1281 80K 80K 166960K 1302 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 4 0 VM map 2 1K 1K 166960K 2 0 sem 10 0K 0K 166960K 12 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 17 61K 89K 166960K 176 0 proc 72 103K 115K 166960K 531 0 subproc 104 6K 6K 166960K 104 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 in_multi 99 7K 7K 166960K 99 0 ether_multi 1 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 37 175K 175K 166960K 37 0 exec 0 0K 1K 166960K 389 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 322 78K 78K 166960K 4143 0 UVM aobj 7 2K 2K 166960K 7 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 NDP 14 0K 0K 166960K 28 0 temp 39 6759K 6823K 166960K 4514 0 kqueue 13 20K 20K 166960K 23 0 SYN cache 2 16K 16K 166960K 2 0 ddb{1}> 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 37 0 34 1 0 1 1 0 8 0 rtentry 112 111 0 1 4 0 4 4 0 8 0 unpcb 144 49 0 30 1 0 1 1 0 8 0 syncache 336 4 0 4 1 1 0 1 0 8 0 tcpqe 32 371 0 371 2 1 1 1 0 8 1 tcpcb 808 11 0 6 1 0 1 1 0 8 0 arp 120 18 0 0 1 0 1 1 0 8 0 inpcb 392 76 0 66 2 0 2 2 0 8 1 nd6 136 24 0 0 1 0 1 1 0 8 0 kcovpl 48 8 0 0 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 20 0 2 1 0 1 1 0 8 0 pfstkey 128 20 0 2 1 0 1 1 0 8 0 pfstate 376 20 0 2 2 0 2 2 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 256 453 0 0 29 0 29 29 0 8 0 art_table 32 454 0 0 4 0 4 4 0 8 0 art_node 16 110 0 10 1 0 1 1 0 8 0 semapl 112 10 0 2 1 0 1 1 0 8 0 shmpl 112 4 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1542 0 94 91 0 91 91 0 8 0 ffsino 272 1542 0 94 97 0 97 97 0 8 0 nchpl 144 1869 0 172 63 0 63 63 0 8 0 uvmvnodes 80 1665 0 0 34 0 34 34 0 8 0 vnodes 216 1665 0 0 93 0 93 93 0 8 0 namei 1024 6969 0 6968 3 1 2 2 0 8 1 percpumem 16 46 0 0 1 0 1 1 0 8 0 kstatmem 264 24 0 0 2 0 2 2 0 8 0 scxspl 216 7278 0 7278 10 2 8 8 1 8 8 plimitpl 152 34 0 18 1 0 1 1 0 8 0 sigapl 424 520 0 452 11 3 8 8 0 8 0 futexpl 64 619 0 611 1 0 1 1 0 8 0 knotepl 120 114 0 0 4 0 4 4 0 8 0 kqueuepl 216 165 0 155 5 0 5 5 0 8 4 pipepl 320 142 0 113 4 1 3 3 0 8 0 fdescpl 496 482 0 452 6 1 5 5 0 8 0 filepl 152 2240 0 1989 13 1 12 12 0 8 2 lockfpl 104 15 0 12 1 0 1 1 0 8 0 lockfspl 48 8 0 5 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 86 0 74 1 0 1 1 0 8 0 zombiepl 144 452 0 452 1 0 1 1 0 8 1 processpl 1136 520 0 452 7 1 6 6 0 8 0 procpl 680 631 0 537 10 2 8 8 0 8 0 sockpl 584 162 0 130 3 0 3 3 0 8 0 mcl64k 65536 5 0 0 1 0 1 1 0 8 0 mcl16k 16384 3 0 0 1 0 1 1 0 8 0 mcl12k 12288 3 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 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 282 0 0 36 0 36 36 0 8 0 mtagpl 96 4 0 0 1 0 1 1 0 8 0 mbufpl 256 293 0 0 19 0 19 19 0 8 0 bufpl 280 4284 0 144 296 0 296 296 0 8 0 anonpl 24 219587 0 207123 78 2 76 77 0 186 0 amapchunkpl 152 13866 0 12987 37 2 35 35 0 158 0 amappl16 200 6426 0 6068 21 0 21 21 0 8 0 amappl15 192 31 0 30 1 0 1 1 0 8 0 amappl14 184 186 0 170 2 0 2 2 0 8 0 amappl13 176 12 0 12 1 1 0 1 0 8 0 amappl12 168 1152 0 1122 5 2 3 3 0 8 0 amappl11 160 80 0 65 1 0 1 1 0 8 0 amappl10 152 36 0 25 1 0 1 1 0 8 0 amappl9 144 212 0 211 1 0 1 1 0 8 0 amappl8 136 192 0 148 2 0 2 2 0 8 0 amappl7 128 177 0 156 3 1 2 3 0 8 0 amappl6 120 255 0 248 1 0 1 1 0 8 0 amappl5 112 130 0 119 1 0 1 1 0 8 0 amappl4 104 453 0 426 2 1 1 2 0 8 0 amappl3 96 2893 0 2793 4 1 3 3 0 8 0 amappl2 88 904 0 830 3 1 2 3 0 8 0 amappl1 80 10198 0 9636 23 8 15 23 0 8 2 amappl 88 3625 0 3393 7 1 6 6 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 6 0 0 1 0 1 1 0 8 0 uaddrrnd 24 483 0 453 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 483 0 453 1 0 1 1 0 8 0 vmmpekpl 168 10122 0 10067 3 0 3 3 0 8 0 vmmpepl 168 54152 0 51858 121 3 118 118 0 357 18 vmsppl 448 482 0 453 8 3 5 5 0 8 0 rwobjpl 56 22938 0 19820 48 3 45 47 0 8 0 pdppl 4096 973 0 906 107 34 73 81 0 8 6 pvpl 32 42613 0 0 344 0 344 344 0 265 0 pmappl 248 482 0 453 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 416 0 43 11 0 11 11 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp x86_ipi_db(ffffffff82d16ff0) 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+0x27 end of kernel end trace frame: 0x7946f8765d20, count: 12 ddb{0}> trace x86_ipi_db(ffffffff82d16ff0) 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+0x27 end of kernel end trace frame: 0x7946f8765d20, count: -3 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x1c: addq $0x8,%rsp db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82914c9b) at panic+0x17b sys/kern/subr_prf.c:198 ip_fragment(fffffd806cdd8300,ffff80003742bdd8,ffff8000001a02a8,5dc) at ip_fragment+0x5b4 ip_output(fffffd806cdd8300,0,fffffd806f495cb8,22,0,0,53f51aeb133f954c) at ip_output+0xe3c sys/netinet/ip_output.c:478 divert_output(fffffd806f495c40,fffffd806cdd8300,fffffd806cec0000,0) at divert_output+0x30a sys/netinet/ip_divert.c:174 sosend(ffff800000dfc6e8,fffffd806cec0000,ffff80003742c040,0,0,0) at sosend+0x66d sendit(ffff80002a1712b0,3,ffff80003742c1d8,0,ffff80003742c1c8) at sendit+0x65d sys/kern/uipc_syscalls.c:786 sys_sendmmsg(ffff80002a1712b0,ffff80003742c380,ffff80003742c2d0) at sys_sendmmsg+0x344 sys/kern/uipc_syscalls.c:677 syscall(ffff80003742c380) at syscall+0x5ae mi_syscall sys/sys/syscall_mi.h:183 [inline] syscall(ffff80003742c380) at syscall+0x5ae sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x9a1f9b8f4f0, count: 5 ddb{1}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82914c9b) at panic+0x17b sys/kern/subr_prf.c:198 ip_fragment(fffffd806cdd8300,ffff80003742bdd8,ffff8000001a02a8,5dc) at ip_fragment+0x5b4 ip_output(fffffd806cdd8300,0,fffffd806f495cb8,22,0,0,53f51aeb133f954c) at ip_output+0xe3c sys/netinet/ip_output.c:478 divert_output(fffffd806f495c40,fffffd806cdd8300,fffffd806cec0000,0) at divert_output+0x30a sys/netinet/ip_divert.c:174 sosend(ffff800000dfc6e8,fffffd806cec0000,ffff80003742c040,0,0,0) at sosend+0x66d sendit(ffff80002a1712b0,3,ffff80003742c1d8,0,ffff80003742c1c8) at sendit+0x65d sys/kern/uipc_syscalls.c:786 sys_sendmmsg(ffff80002a1712b0,ffff80003742c380,ffff80003742c2d0) at sys_sendmmsg+0x344 sys/kern/uipc_syscalls.c:677 syscall(ffff80003742c380) at syscall+0x5ae mi_syscall sys/sys/syscall_mi.h:183 [inline] syscall(ffff80003742c380) at syscall+0x5ae sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x9a1f9b8f4f0, count: -10