panic: malformed IPv4 option passed to ip_optcopy Stopped at db_enter+0x1c: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND * 45432 34806 0 0 0x4000000 1 syz-executor.1 365450 88301 0 0x2 0 0 syz-executor.7 db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82913ff7) at panic+0x17b sys/kern/subr_prf.c:198 ip_fragment(fffffd806d1ec600,ffff80002d6c3d68,ffff8000001a02a8,5dc) at ip_fragment+0x5b4 ip_output(fffffd806d1ec600,0,fffffd8066272e48,22,0,0,ff6aa2e133b0038d) at ip_output+0xe3c sys/netinet/ip_output.c:478 divert_output(fffffd8066272dd0,fffffd806d1ec600,fffffd806fdab400,0) at divert_output+0x30a sys/netinet/ip_divert.c:174 sosend(ffff800000e0c010,fffffd806fdab400,ffff80002d6c3fd0,0,0,0) at sosend+0x66d sendit(ffff80002d679d58,3,ffff80002d6c4168,0,ffff80002d6c4158) at sendit+0x65d sys/kern/uipc_syscalls.c:786 sys_sendmmsg(ffff80002d679d58,ffff80002d6c4310,ffff80002d6c4260) at sys_sendmmsg+0x344 sys/kern/uipc_syscalls.c:677 syscall(ffff80002d6c4310) at syscall+0x5ae mi_syscall sys/sys/syscall_mi.h:183 [inline] syscall(ffff80002d6c4310) at syscall+0x5ae sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd78337ea320, 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(ffffffff82913ff7) at panic+0x17b sys/kern/subr_prf.c:198 ip_fragment(fffffd806d1ec600,ffff80002d6c3d68,ffff8000001a02a8,5dc) at ip_fragment+0x5b4 ip_output(fffffd806d1ec600,0,fffffd8066272e48,22,0,0,ff6aa2e133b0038d) at ip_output+0xe3c sys/netinet/ip_output.c:478 divert_output(fffffd8066272dd0,fffffd806d1ec600,fffffd806fdab400,0) at divert_output+0x30a sys/netinet/ip_divert.c:174 sosend(ffff800000e0c010,fffffd806fdab400,ffff80002d6c3fd0,0,0,0) at sosend+0x66d sendit(ffff80002d679d58,3,ffff80002d6c4168,0,ffff80002d6c4158) at sendit+0x65d sys/kern/uipc_syscalls.c:786 sys_sendmmsg(ffff80002d679d58,ffff80002d6c4310,ffff80002d6c4260) at sys_sendmmsg+0x344 sys/kern/uipc_syscalls.c:677 syscall(ffff80002d6c4310) at syscall+0x5ae mi_syscall sys/sys/syscall_mi.h:183 [inline] syscall(ffff80002d6c4310) at syscall+0x5ae sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd78337ea320, count: -10 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002d6c3bb0 rbx 0xffff800029ceccb7 rdx 0xffff800000eb2980 rcx 0xffff80002d679d58 rax 0xffff800029cebff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x8b5f9c2568046830 r11 0xf5e49f6d4e0d183 r12 0xffff800029cecab8 r13 0 r14 0 r15 0x1 rip 0xffffffff827c0c6c db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff80002d6c3ba0 ss 0x10 db_enter+0x1c: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.1) tid=45432 pid=34806 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff80002d67a7f8,0xffff80002d67a2b8 process=0xffff8000ffff1ab8 user=0xffff80002d6bf000, vmspace=0xfffffd806d47aa90 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 26870 505028 44553 0 2 0 syz-executor.2 34806 140399 53177 0 2 0 syz-executor.1 *34806 45432 53177 0 7 0x4000000 syz-executor.1 32485 24390 82997 0 3 0x80 nanoslp syz-executor.0 32485 301146 82997 0 3 0x4000080 netio syz-executor.0 32485 99148 82997 0 3 0x4000080 fsleep syz-executor.0 34711 57546 80042 0 2 0 syz-executor.3 34711 37647 80042 0 3 0x4000080 fsleep syz-executor.3 34711 283632 80042 0 3 0x4000080 netcon syz-executor.3 34711 451346 80042 0 3 0x4000080 fsleep syz-executor.3 58651 130760 14779 0 2 0 syz-executor.5 58651 282800 14779 0 3 0x4000080 bell syz-executor.5 53177 45097 77893 0 3 0x82 nanoslp syz-executor.1 88301 365450 77893 0 7 0x2 syz-executor.7 82997 359184 77893 0 3 0x82 nanoslp syz-executor.0 71127 476216 0 0 3 0x14200 bored sosplice 28950 73990 77893 0 3 0x82 nanoslp syz-executor.6 86066 153755 60934 0 3 0x100082 netio arp 60934 296755 1 0 3 0x10008a sigsusp sh 14779 157905 77893 0 3 0x82 nanoslp syz-executor.5 44553 381015 77893 0 3 0x82 nanoslp syz-executor.2 80042 167278 77893 0 3 0x82 nanoslp syz-executor.3 77893 408870 21068 0 3 0x2000082 wait syz-fuzzer 77893 457888 21068 0 3 0x6000082 thrsleep syz-fuzzer 77893 505051 21068 0 3 0x6000082 wait syz-fuzzer 77893 232591 21068 0 3 0x6000082 thrsleep syz-fuzzer 77893 518165 21068 0 3 0x6000082 wait syz-fuzzer 77893 516066 21068 0 3 0x6000082 thrsleep syz-fuzzer 77893 66112 21068 0 3 0x6000082 thrsleep syz-fuzzer 77893 151172 21068 0 3 0x6000082 thrsleep syz-fuzzer 77893 107825 21068 0 3 0x6000082 wait syz-fuzzer 77893 17184 21068 0 3 0x6000082 thrsleep syz-fuzzer 77893 401628 21068 0 3 0x6000082 wait syz-fuzzer 77893 418867 21068 0 3 0x6000082 wait syz-fuzzer 77893 522242 21068 0 3 0x6000082 kqread syz-fuzzer 77893 417959 21068 0 3 0x6000082 thrsleep syz-fuzzer 77893 93546 21068 0 3 0x6000082 thrsleep syz-fuzzer 77893 328664 21068 0 3 0x6000082 wait syz-fuzzer 21068 208381 3878 0 3 0x10008a sigsusp ksh 3878 47927 25055 0 3 0x9a kqread sshd 17090 471472 1 0 3 0x100083 ttyin getty 25055 364697 1 0 3 0x88 kqread sshd 62130 20089 953 74 3 0x1100092 bpf pflogd 953 504664 1 0 3 0x80 netio pflogd 62709 303386 49944 73 3 0x1100090 kqread syslogd 49944 259662 1 0 3 0x100082 netio syslogd 61420 238408 1 0 3 0x100080 kqread resolvd 68190 325567 6242 77 3 0x100092 kqread dhcpleased 61916 418857 6242 77 3 0x100092 kqread dhcpleased 6242 172711 1 0 3 0x80 kqread dhcpleased 77782 272544 0 0 3 0x14200 bored smr 77597 368737 0 0 2 0x14200 zerothread 72164 233034 0 0 3 0x14200 aiodoned aiodoned 54827 275537 0 0 3 0x14200 syncer update 54979 195509 0 0 3 0x14200 cleaner cleaner 98104 338049 0 0 3 0x14200 reaper reaper 21996 75143 0 0 3 0x14200 pgdaemon pagedaemon 98303 118266 0 0 3 0x14200 bored viomb 28799 443669 0 0 3 0x40014200 acpi0 acpi0 20568 372011 0 0 3 0x40014200 idle1 89501 63283 0 0 3 0x14200 bored softnet3 42021 275371 0 0 3 0x14200 bored softnet2 83182 480221 0 0 3 0x14200 bored softnet1 87608 272514 0 0 3 0x14200 bored softnet0 51939 388753 0 0 3 0x14200 bored systqmp 65223 263913 0 0 3 0x14200 bored systq 48175 325438 0 0 3 0x14200 tmoslp softclockmp 44368 381790 0 0 3 0x40014200 tmoslp softclock 31433 424769 0 0 3 0x40014200 idle0 1 498652 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 34806 (syz-executor.1) thread 0xffff80002d679d58 (45432) exclusive rwlock inet r = 0 (0xffff800000e0c028) #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 (0xffffffff82d1e1a0) #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 88301 (syz-executor.7) thread 0xffff80002a2112c8 (365450) exclusive rrwlock inode r = 0 (0xfffffd806e327700) #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 (0xfffffd806773e3c8) #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 10195 6482K 7005K 166960K 14473 0 pcb 15 17K 19K 166960K 439 0 rtable 198 14K 15K 166960K 595 0 pf 30 9K 10K 166960K 124 0 ifaddr 38 14K 16K 166960K 94 0 ifgroup 51 2K 2K 166960K 184 0 sysctl 3 0K 0K 166960K 3 0 counters 62 36K 36K 166960K 130 0 ioctlops 0 0K 4K 166960K 1519 0 iov 1 0K 28K 166960K 379 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1393 87K 87K 166960K 2251 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 34 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 256 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 16 57K 81K 166960K 2304 0 sigio 0 0K 0K 166960K 149 0 proc 69 91K 115K 166960K 760 0 subproc 104 6K 7K 166960K 156 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 131 0 in_multi 77 5K 7K 166960K 133 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 79 360K 360K 166960K 79 0 exec 0 0K 1K 166960K 802 0 pfkey data 0 0K 4K 166960K 4 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 379 211K 220K 166960K 24980 0 UVM aobj 109 3K 3K 166960K 114 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 134 0 NDP 11 0K 1K 166960K 67 0 temp 72 6771K 6840K 166960K 22813 0 kqueue 13 20K 28K 166960K 152 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 92 0 88 1 0 1 1 0 8 0 rtentry 112 165 0 76 4 0 4 4 0 8 0 unpcb 144 1313 0 1296 11 10 1 6 0 8 0 syncache 336 28 0 28 6 5 1 1 0 8 1 tcpqe 32 184 0 184 4 3 1 1 0 8 1 tcpcb 808 655 0 636 26 15 11 12 0 8 8 arp 120 32 0 18 1 0 1 1 0 8 0 inpcb 392 2121 0 2098 42 31 11 15 0 8 8 nd6 136 34 0 15 1 0 1 1 0 8 0 pkpcb 40 4 0 4 1 1 0 1 0 8 0 kcovpl 48 12 0 4 1 0 1 1 0 8 0 ppxss 1168 9 0 9 2 2 0 1 0 8 0 pffrag 232 4 0 2 1 0 1 1 0 482 0 pffrnode 88 4 0 2 1 0 1 1 0 8 0 pffrent 40 25 0 23 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 80 0 59 1 0 1 1 0 8 0 pfstkey 128 80 0 59 2 0 2 2 0 8 0 pfstate 376 80 0 59 5 2 3 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 256 610 0 238 29 1 28 29 0 8 2 art_table 32 611 0 238 4 0 4 4 0 8 0 art_node 16 164 0 83 1 0 1 1 0 8 0 semapl 112 254 0 244 1 0 1 1 0 8 0 shmpl 112 111 0 5 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 4414 0 2970 91 0 91 91 0 8 0 ffsino 272 4414 0 2970 97 0 97 97 0 8 0 nchpl 144 7635 0 5989 63 0 63 63 0 8 0 uvmvnodes 80 5073 0 0 104 0 104 104 0 8 0 vnodes 216 5073 0 0 282 0 282 282 0 8 0 namei 1024 25591 0 25590 4 3 1 2 0 8 0 percpumem 16 79 0 34 1 0 1 1 0 8 0 vcpupl 2048 11 0 1 2 0 2 2 0 8 0 vmpool 696 12 0 2 1 0 1 1 0 8 0 kstatmem 264 90 0 68 2 0 2 2 0 8 0 scxspl 216 22335 0 22335 11 10 1 8 1 8 1 plimitpl 152 201 0 185 1 0 1 1 0 8 0 sigapl 424 2641 0 2592 10 1 9 9 0 8 2 futexpl 64 16679 0 16676 1 0 1 1 0 8 0 knotepl 120 357 0 0 11 0 11 11 0 8 0 kqueuepl 216 345 0 336 5 4 1 3 0 8 0 pipepl 320 721 0 693 26 20 6 9 0 8 3 fdescpl 496 2602 0 2573 5 0 5 5 0 8 0 filepl 152 14755 0 14509 45 29 16 19 0 8 6 lockfpl 104 654 0 652 2 1 1 2 0 8 0 lockfspl 48 223 0 221 1 0 1 1 0 8 0 sessionpl 144 28 0 11 1 0 1 1 0 8 0 pgrppl 48 34 0 17 1 0 1 1 0 8 0 ucredpl 104 2229 0 2217 1 0 1 1 0 8 0 zombiepl 144 2593 0 2592 2 1 1 1 0 8 0 processpl 1136 2641 0 2592 6 0 6 6 0 8 1 procpl 680 6621 0 6550 10 1 9 9 0 8 0 srpgc 96 6 0 6 2 1 1 1 0 8 1 sosppl 168 22 0 18 4 3 1 1 0 8 0 sockpl 584 3532 0 3488 37 26 11 15 0 8 7 mcl64k 65536 17 0 0 3 0 3 3 0 8 0 mcl16k 16384 11 0 0 2 0 2 2 0 8 0 mcl12k 12288 17 0 0 2 0 2 2 0 8 0 mcl9k 9216 5 0 0 1 0 1 1 0 8 0 mcl8k 8192 14 0 0 2 0 2 2 0 8 0 mcl4k 4096 22 0 0 3 0 3 3 0 8 0 mcl2k2 2112 4 0 0 1 0 1 1 0 8 0 mcl2k 2048 306 0 0 39 1 38 39 0 8 0 mtagpl 96 124 0 0 3 0 3 3 0 8 0 mbufpl 256 332 0 0 21 0 21 21 0 8 0 bufpl 280 7002 0 685 452 0 452 452 0 8 0 anonpl 24 403655 0 391457 137 36 101 113 0 186 1 amapchunkpl 152 79503 0 78665 50 9 41 43 0 158 2 amappl16 200 10139 0 9661 52 25 27 41 0 8 0 amappl15 192 35 0 34 2 1 1 1 0 8 0 amappl14 184 174 0 157 2 1 1 2 0 8 0 amappl13 176 14 0 14 2 2 0 1 0 8 0 amappl12 168 3427 0 3394 2 0 2 2 0 8 0 amappl11 160 76 0 61 1 0 1 1 0 8 0 amappl10 152 34 0 24 1 0 1 1 0 8 0 amappl9 144 205 0 203 2 1 1 1 0 8 0 amappl8 136 314 0 237 3 0 3 3 0 8 0 amappl7 128 210 0 183 3 1 2 3 0 8 0 amappl6 120 358 0 346 1 0 1 1 0 8 0 amappl5 112 141 0 130 1 0 1 1 0 8 0 amappl4 104 524 0 491 2 1 1 2 0 8 0 amappl3 96 15848 0 15762 4 1 3 3 0 8 0 amappl2 88 3127 0 3047 3 1 2 3 0 8 0 amappl1 80 17848 0 17272 22 9 13 22 0 8 0 amappl 88 24315 0 24083 8 1 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 72 113 0 5 2 0 2 2 0 8 0 uaddrrnd 24 2614 0 2575 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2614 0 2575 1 0 1 1 0 8 0 vmmpekpl 168 26143 0 26078 4 0 4 4 0 8 0 vmmpepl 168 177100 0 174675 172 57 115 131 0 357 0 vmsppl 448 2613 0 2575 6 1 5 5 0 8 0 rwobjpl 56 54972 0 48170 99 2 97 97 0 8 0 pdppl 4096 5235 0 5160 174 91 83 84 0 8 8 pvpl 32 37234 0 0 302 1 301 301 0 265 0 pmappl 248 2613 0 2575 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 561 0 148 12 0 12 12 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp x86_ipi_db(ffffffff82c9aff0) 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 __mp_lock(ffffffff82e6f748) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82e6f748) at __mp_lock+0x122 sys/kern/kern_lock.c:147 __mp_acquire_count(ffffffff82e6f748,1) at __mp_acquire_count+0x48 sys/kern/kern_lock.c:227 mi_switch() at mi_switch+0x46f sys/kern/sched_bsd.c:470 sleep_finish(0,1) at sleep_finish+0x19b sys/kern/kern_synch.c:414 biowait(fffffd8066320370) at biowait+0x91 sys/kern/vfs_bio.c:1254 bwrite(fffffd8066320370) at bwrite+0x21c sys/kern/vfs_bio.c:766 VOP_BWRITE(fffffd8066320370) at VOP_BWRITE+0x4e sys/kern/vfs_vops.c:640 ufs_mkdir(ffff80002baed6f0) at ufs_mkdir+0x52c sys/ufs/ufs/ufs_vnops.c:1175 VOP_MKDIR(fffffd80680270e0,ffff80002baed850,ffff80002baed880,ffff80002baed780) at VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 domkdirat(ffff80002a2112c8,ffffff9c,73aaf205fc60,1ff) at domkdirat+0x125 sys/kern/vfs_syscalls.c:3069 syscall(ffff80002baeda00) at syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline] syscall(ffff80002baeda00) at syscall+0x533 sys/arch/amd64/amd64/trap.c:577 end trace frame: 0xffff80002baeda80, count: 0 ddb{0}> trace x86_ipi_db(ffffffff82c9aff0) 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 __mp_lock(ffffffff82e6f748) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82e6f748) at __mp_lock+0x122 sys/kern/kern_lock.c:147 __mp_acquire_count(ffffffff82e6f748,1) at __mp_acquire_count+0x48 sys/kern/kern_lock.c:227 mi_switch() at mi_switch+0x46f sys/kern/sched_bsd.c:470 sleep_finish(0,1) at sleep_finish+0x19b sys/kern/kern_synch.c:414 biowait(fffffd8066320370) at biowait+0x91 sys/kern/vfs_bio.c:1254 bwrite(fffffd8066320370) at bwrite+0x21c sys/kern/vfs_bio.c:766 VOP_BWRITE(fffffd8066320370) at VOP_BWRITE+0x4e sys/kern/vfs_vops.c:640 ufs_mkdir(ffff80002baed6f0) at ufs_mkdir+0x52c sys/ufs/ufs/ufs_vnops.c:1175 VOP_MKDIR(fffffd80680270e0,ffff80002baed850,ffff80002baed880,ffff80002baed780) at VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 domkdirat(ffff80002a2112c8,ffffff9c,73aaf205fc60,1ff) at domkdirat+0x125 sys/kern/vfs_syscalls.c:3069 syscall(ffff80002baeda00) at syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline] syscall(ffff80002baeda00) at syscall+0x533 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x73aaf205fcd0, count: -15 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(ffffffff82913ff7) at panic+0x17b sys/kern/subr_prf.c:198 ip_fragment(fffffd806d1ec600,ffff80002d6c3d68,ffff8000001a02a8,5dc) at ip_fragment+0x5b4 ip_output(fffffd806d1ec600,0,fffffd8066272e48,22,0,0,ff6aa2e133b0038d) at ip_output+0xe3c sys/netinet/ip_output.c:478 divert_output(fffffd8066272dd0,fffffd806d1ec600,fffffd806fdab400,0) at divert_output+0x30a sys/netinet/ip_divert.c:174 sosend(ffff800000e0c010,fffffd806fdab400,ffff80002d6c3fd0,0,0,0) at sosend+0x66d sendit(ffff80002d679d58,3,ffff80002d6c4168,0,ffff80002d6c4158) at sendit+0x65d sys/kern/uipc_syscalls.c:786 sys_sendmmsg(ffff80002d679d58,ffff80002d6c4310,ffff80002d6c4260) at sys_sendmmsg+0x344 sys/kern/uipc_syscalls.c:677 syscall(ffff80002d6c4310) at syscall+0x5ae mi_syscall sys/sys/syscall_mi.h:183 [inline] syscall(ffff80002d6c4310) at syscall+0x5ae sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd78337ea320, count: 5 ddb{1}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82913ff7) at panic+0x17b sys/kern/subr_prf.c:198 ip_fragment(fffffd806d1ec600,ffff80002d6c3d68,ffff8000001a02a8,5dc) at ip_fragment+0x5b4 ip_output(fffffd806d1ec600,0,fffffd8066272e48,22,0,0,ff6aa2e133b0038d) at ip_output+0xe3c sys/netinet/ip_output.c:478 divert_output(fffffd8066272dd0,fffffd806d1ec600,fffffd806fdab400,0) at divert_output+0x30a sys/netinet/ip_divert.c:174 sosend(ffff800000e0c010,fffffd806fdab400,ffff80002d6c3fd0,0,0,0) at sosend+0x66d sendit(ffff80002d679d58,3,ffff80002d6c4168,0,ffff80002d6c4158) at sendit+0x65d sys/kern/uipc_syscalls.c:786 sys_sendmmsg(ffff80002d679d58,ffff80002d6c4310,ffff80002d6c4260) at sys_sendmmsg+0x344 sys/kern/uipc_syscalls.c:677 syscall(ffff80002d6c4310) at syscall+0x5ae mi_syscall sys/sys/syscall_mi.h:183 [inline] syscall(ffff80002d6c4310) at syscall+0x5ae sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd78337ea320, count: -10