panic: malformed IPv4 option passed to ip_optcopy Stopped at db_enter+0x1c: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *360847 25093 0 0 0x4000000 1 syz-executor.2 2547 9713 0 0 0x4000000 0 syz-executor.5 db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8291a600) at panic+0x17b sys/kern/subr_prf.c:198 ip_fragment(fffffd806391ed00,ffff80003737daa8,ffff8000001a02a8,5dc) at ip_fragment+0x5b4 ip_output(fffffd806391ed00,0,fffffd8065553518,22,0,0,bbc8b3f7baa50832) at ip_output+0xe3c sys/netinet/ip_output.c:478 divert_output(fffffd80655534a0,fffffd806391ed00,fffffd8063f51a00,0) at divert_output+0x30a sys/netinet/ip_divert.c:174 sosend(ffff800000e53490,fffffd8063f51a00,ffff80003737dd10,0,0,0) at sosend+0x66d sendit(ffff800030cedab8,4,ffff80003737dea8,0,ffff80003737de98) at sendit+0x65d sys/kern/uipc_syscalls.c:786 sys_sendmmsg(ffff800030cedab8,ffff80003737e050,ffff80003737dfa0) at sys_sendmmsg+0x344 sys/kern/uipc_syscalls.c:677 syscall(ffff80003737e050) at syscall+0x5ae mi_syscall sys/sys/syscall_mi.h:183 [inline] syscall(ffff80003737e050) at syscall+0x5ae sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x16842b900d0, 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(ffffffff8291a600) at panic+0x17b sys/kern/subr_prf.c:198 ip_fragment(fffffd806391ed00,ffff80003737daa8,ffff8000001a02a8,5dc) at ip_fragment+0x5b4 ip_output(fffffd806391ed00,0,fffffd8065553518,22,0,0,bbc8b3f7baa50832) at ip_output+0xe3c sys/netinet/ip_output.c:478 divert_output(fffffd80655534a0,fffffd806391ed00,fffffd8063f51a00,0) at divert_output+0x30a sys/netinet/ip_divert.c:174 sosend(ffff800000e53490,fffffd8063f51a00,ffff80003737dd10,0,0,0) at sosend+0x66d sendit(ffff800030cedab8,4,ffff80003737dea8,0,ffff80003737de98) at sendit+0x65d sys/kern/uipc_syscalls.c:786 sys_sendmmsg(ffff800030cedab8,ffff80003737e050,ffff80003737dfa0) at sys_sendmmsg+0x344 sys/kern/uipc_syscalls.c:677 syscall(ffff80003737e050) at syscall+0x5ae mi_syscall sys/sys/syscall_mi.h:183 [inline] syscall(ffff80003737e050) at syscall+0x5ae sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x16842b900d0, count: -10 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80003737d8f0 rbx 0xffff800029ceccb7 rdx 0xffff800000dfe300 rcx 0xffff800030cedab8 rax 0xffff800029cebff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xdb0324da6cb813aa r11 0xb9f55ac378a4da68 r12 0xffff800029cecab8 r13 0 r14 0 r15 0x1 rip 0xffffffff8108ebcc db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff80003737d8e0 ss 0x10 db_enter+0x1c: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.2) tid=360847 pid=25093 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=0xffff800031b10010,0xffff80002a18a560 process=0xffff80003740f568 user=0xffff800037379000, vmspace=0xfffffd807cea2740 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 25093 224664 43205 0 2 0 syz-executor.2 *25093 360847 43205 0 7 0x4000000 syz-executor.2 28838 72461 10757 0 2 0x4081000 syz-executor.6 28838 345013 10757 0 3 0x4081000 inode syz-executor.6 28838 403649 10757 0 3 0x4003000 suspend syz-executor.6 9713 17766 70025 0 2 0 syz-executor.5 9713 2547 70025 0 7 0x4000000 syz-executor.5 97316 483730 73163 0 2 0 syz-executor.4 97316 391568 73163 0 3 0x4000080 fsleep syz-executor.4 53644 444520 19597 0 2 0 syz-executor.0 53644 207054 19597 0 3 0x4000080 fsleep syz-executor.0 77827 517849 74205 0 2 0 syz-executor.7 77827 468257 74205 0 3 0x4000080 fsleep syz-executor.7 10757 268772 12596 0 3 0x82 nanoslp syz-executor.6 19597 196822 12596 0 3 0x82 nanoslp syz-executor.0 71158 322222 12596 0 2 0x2 syz-executor.1 66016 40323 0 0 3 0x14280 nfsidl nfsio 90274 275098 0 0 3 0x14280 nfsidl nfsio 19085 365586 0 0 3 0x14280 nfsidl nfsio 75729 284362 0 0 3 0x14280 nfsidl nfsio 54418 64169 0 0 3 0x14280 nfsidl nfsio 35534 266760 0 0 3 0x14280 nfsidl nfsio 49392 331747 0 0 3 0x14280 nfsidl nfsio 68879 367703 0 0 3 0x14280 nfsidl nfsio 68779 23282 0 0 3 0x14280 nfsidl nfsio 56095 6753 0 0 3 0x14280 nfsidl nfsio 34674 466208 0 0 3 0x14280 nfsidl nfsio 78126 448157 0 0 3 0x14280 nfsidl nfsio 14987 502688 0 0 3 0x14280 nfsidl nfsio 94956 114273 0 0 3 0x14280 nfsidl nfsio 53979 69374 0 0 3 0x14280 nfsidl nfsio 20142 328522 12596 0 2 0x2 syz-executor.3 70025 71334 12596 0 3 0x82 nanoslp syz-executor.5 32012 3598 1 0 3 0x100083 ttyin getty 43205 130685 12596 0 3 0x82 nanoslp syz-executor.2 73163 499870 12596 0 3 0x82 nanoslp syz-executor.4 64021 415200 0 0 3 0x14280 nfsidl nfsio 25342 304449 0 0 3 0x14280 nfsidl nfsio 72997 295300 0 0 3 0x14280 nfsidl nfsio 92313 68081 0 0 3 0x14280 nfsidl nfsio 5692 430909 0 0 3 0x14280 nfsidl nfsio 79977 221020 0 0 3 0x14200 bored sosplice 74205 192966 12596 0 3 0x82 nanoslp syz-executor.7 12596 322293 96589 0 3 0x2000082 wait syz-fuzzer 12596 100040 96589 0 3 0x6000082 thrsleep syz-fuzzer 12596 489564 96589 0 3 0x6000082 thrsleep syz-fuzzer 12596 66444 96589 0 3 0x6000082 wait syz-fuzzer 12596 302409 96589 0 3 0x6000082 thrsleep syz-fuzzer 12596 521382 96589 0 3 0x6000082 thrsleep syz-fuzzer 12596 451359 96589 0 3 0x6000082 wait syz-fuzzer 12596 279096 96589 0 3 0x6000082 wait syz-fuzzer 12596 426831 96589 0 3 0x6000082 kqread syz-fuzzer 12596 364535 96589 0 3 0x6000082 thrsleep syz-fuzzer 12596 197376 96589 0 3 0x6000082 thrsleep syz-fuzzer 12596 450947 96589 0 3 0x6000082 wait syz-fuzzer 12596 494137 96589 0 3 0x6000082 wait syz-fuzzer 12596 410313 96589 0 3 0x6000082 thrsleep syz-fuzzer 12596 341841 96589 0 3 0x6000082 wait syz-fuzzer 12596 91016 96589 0 3 0x6000082 wait syz-fuzzer 96589 222829 64496 0 3 0x10008a sigsusp ksh 64496 146074 20222 0 3 0x9a kqread sshd 20222 61887 1 0 3 0x88 kqread sshd 23701 253996 41995 74 3 0x1100092 bpf pflogd 41995 351100 1 0 3 0x80 netio pflogd 68370 227845 93150 73 3 0x1100090 kqread syslogd 93150 181113 1 0 3 0x100082 netio syslogd 36755 197278 1 0 3 0x100080 kqread resolvd 92471 336330 53760 77 3 0x100092 kqread dhcpleased 90587 413063 53760 77 3 0x100092 kqread dhcpleased 53760 363386 1 0 3 0x80 kqread dhcpleased 28278 118510 0 0 3 0x14200 bored smr 85141 11995 0 0 2 0x14200 zerothread 75183 71631 0 0 3 0x14200 aiodoned aiodoned 59280 32957 0 0 3 0x14200 syncer update 58683 514223 0 0 3 0x14200 cleaner cleaner 63370 378352 0 0 3 0x14200 reaper reaper 89386 286047 0 0 3 0x14200 pgdaemon pagedaemon 57449 12782 0 0 3 0x14200 bored viomb 49326 275629 0 0 3 0x40014200 acpi0 acpi0 37514 180940 0 0 3 0x40014200 idle1 26662 344236 0 0 3 0x14200 bored softnet3 92051 393407 0 0 3 0x14200 bored softnet2 44681 252382 0 0 3 0x14200 bored softnet1 64316 254757 0 0 3 0x14200 bored softnet0 68234 123638 0 0 3 0x14200 bored systqmp 65714 403716 0 0 3 0x14200 bored systq 74445 231267 0 0 3 0x14200 tmoslp softclockmp 3904 295464 0 0 3 0x40014200 tmoslp softclock 5476 147241 0 0 3 0x40014200 idle0 1 268845 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 25093 (syz-executor.2) thread 0xffff800030cedab8 (360847) exclusive rwlock inet r = 0 (0xffff800000e534a8) #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 (0xffffffff82d67360) #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 28838 (syz-executor.6) thread 0xffff800031b0fd68 (72461) exclusive rrwlock inode r = 0 (0xfffffd80636d84e8) #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 dorenameat+0x104 sys/kern/vfs_syscalls.c:2960 #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 Process 9713 (syz-executor.5) thread 0xffff800031b102b8 (2547) exclusive rrwlock inode r = 0 (0xfffffd80636d85f8) #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_makeinode+0xae sys/ufs/ufs/ufs_vnops.c:1743 #8 ufs_mknod+0x52 sys/ufs/ufs/ufs_vnops.c:167 #9 VOP_MKNOD+0xc3 sys/kern/vfs_vops.c:121 #10 domknodat+0x32a sys/kern/vfs_syscalls.c:1627 #11 syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline] #11 syscall+0x533 sys/arch/amd64/amd64/trap.c:577 #12 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd80636d8e78) #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 domknodat+0x96 sys/kern/vfs_syscalls.c:1579 #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 10226 6564K 7276K 166960K 18360 0 pcb 15 18K 20K 166960K 571 0 rtable 216 14K 15K 166960K 996 0 pf 36 10K 10K 166960K 174 0 ifaddr 43 15K 16K 166960K 159 0 ifgroup 65 2K 3K 166960K 260 0 sysctl 4 1K 1K 166960K 4 0 counters 66 36K 36K 166960K 176 0 ioctlops 0 0K 4K 166960K 1610 0 iov 0 0K 34K 166960K 487 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1411 88K 88K 166960K 3967 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 39 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 617 0 dirhash 15 2K 2K 166960K 63 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 16 57K 89K 166960K 5309 0 sigio 1 0K 0K 166960K 193 0 proc 70 91K 115K 166960K 1250 0 subproc 104 6K 6K 166960K 323 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 457 0 in_multi 88 6K 7K 166960K 325 0 ether_multi 1 0K 0K 166960K 1 0 mrt 0 0K 0K 166960K 7 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 229 1023K 1023K 166960K 229 0 exec 0 0K 1K 166960K 869 0 pfkey data 0 0K 0K 166960K 3 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 445 296K 296K 166960K 54170 0 UVM aobj 131 4K 4K 166960K 143 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 209 0 NDP 13 0K 2K 166960K 116 0 temp 74 6772K 7408K 166960K 38885 0 kqueue 12 18K 26K 166960K 373 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 120 162 0 159 1 0 1 1 0 8 0 rtentry 112 336 0 238 4 0 4 4 0 8 0 unpcb 144 3924 0 3909 38 34 4 6 0 8 3 syncache 336 32 0 32 7 7 0 1 0 8 0 tcpqe 32 163 0 163 6 6 0 1 0 8 0 tcpcb 808 1616 0 1605 57 49 8 16 0 8 6 arp 120 66 0 51 1 0 1 1 0 8 0 inpcb 392 4757 0 4742 56 47 9 16 0 8 6 nd6 136 75 0 54 1 0 1 1 0 8 0 pkpcb 40 31 0 31 7 7 0 1 0 8 0 kcovpl 48 24 0 16 1 0 1 1 0 8 0 ppxss 1168 21 0 21 6 6 0 1 0 8 0 pffrag 232 13 0 10 2 1 1 1 0 482 0 pffrnode 88 13 0 10 2 1 1 1 0 8 0 pffrent 40 47 0 44 3 2 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 24 169 0 143 1 0 1 1 0 8 0 pfstkey 128 169 0 143 2 0 2 2 0 8 0 pfstate 376 169 0 143 5 1 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 1282 0 855 38 8 30 30 0 8 0 art_table 32 1283 0 855 4 0 4 4 0 8 0 art_node 16 335 0 246 1 0 1 1 0 8 0 sysvmsgpl 40 15 0 13 1 0 1 1 0 8 0 semupl 112 3 0 3 1 1 0 1 0 8 0 semapl 112 615 0 605 1 0 1 1 0 8 0 shmpl 112 140 0 12 4 0 4 4 0 8 0 dirhash 1024 51 0 32 3 0 3 3 0 8 0 dino2pl 256 8222 0 6751 93 0 93 93 0 8 0 ffsino 272 8222 0 6751 99 0 99 99 0 8 0 nchpl 144 15315 0 13658 63 0 63 63 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 51934 0 51930 3 2 1 2 0 8 0 percpumem 16 102 0 55 1 0 1 1 0 8 0 vcpupl 2048 28 0 0 4 0 4 4 0 8 0 vmpool 696 31 0 3 3 0 3 3 0 8 0 kstatmem 264 136 0 110 2 0 2 2 0 8 0 scxspl 216 46255 0 46255 20 17 3 8 1 8 3 plimitpl 152 444 0 428 1 0 1 1 0 8 0 sigapl 424 5641 0 5573 11 3 8 9 0 8 0 futexpl 64 40020 0 40017 1 0 1 1 0 8 0 knotepl 120 369 0 0 11 0 11 11 0 8 0 kqueuepl 216 981 0 973 23 22 1 5 0 8 0 pipepl 320 1140 0 1112 26 23 3 8 0 8 0 fdescpl 496 5586 0 5557 12 8 4 5 0 8 0 filepl 152 32592 0 32344 52 37 15 18 0 8 0 lockfpl 104 1492 0 1489 3 2 1 2 0 8 0 lockfspl 48 562 0 559 1 0 1 1 0 8 0 sessionpl 144 42 0 25 1 0 1 1 0 8 0 pgrppl 48 117 0 100 1 0 1 1 0 8 0 ucredpl 104 3875 0 3862 1 0 1 1 0 8 0 zombiepl 144 5574 0 5573 1 0 1 1 0 8 0 processpl 1136 5641 0 5573 6 0 6 6 0 8 0 procpl 680 14854 0 14763 11 1 10 10 0 8 1 srpgc 96 18 0 18 8 7 1 1 0 8 1 sosppl 168 44 0 43 2 1 1 1 0 8 0 sockpl 584 8909 0 8876 69 60 9 18 0 8 4 mcl64k 65536 17 0 0 3 0 3 3 0 8 0 mcl16k 16384 17 0 0 3 1 2 3 0 8 0 mcl12k 12288 17 0 0 2 0 2 2 0 8 0 mcl9k 9216 10 0 0 1 0 1 1 0 8 0 mcl8k 8192 17 0 0 3 0 3 3 0 8 0 mcl4k 4096 17 0 0 3 0 3 3 0 8 0 mcl2k2 2112 6 0 0 1 0 1 1 0 8 0 mcl2k 2048 309 0 0 32 6 26 32 0 8 0 mtagpl 96 156 0 0 3 0 3 3 0 8 0 mbufpl 256 1058 0 0 58 0 58 58 0 8 0 bufpl 280 12790 0 6473 452 0 452 452 0 8 0 anonpl 24 652389 0 638844 136 40 96 109 0 186 0 amapchunkpl 152 170271 0 169374 61 23 38 44 0 158 0 amappl16 200 14293 0 13832 56 28 28 35 0 8 2 amappl15 192 11 0 11 1 1 0 1 0 8 0 amappl14 184 219 0 203 2 1 1 2 0 8 0 amappl13 176 94 0 94 5 5 0 1 0 8 0 amappl12 168 6581 0 6551 3 1 2 2 0 8 0 amappl11 160 58 0 42 1 0 1 1 0 8 0 amappl10 152 74 0 59 1 0 1 1 0 8 0 amappl9 144 233 0 233 11 10 1 1 0 8 1 amappl8 136 431 0 331 4 0 4 4 0 8 0 amappl7 128 226 0 199 2 0 2 2 0 8 0 amappl6 120 565 0 548 1 0 1 1 0 8 0 amappl5 112 222 0 211 1 0 1 1 0 8 0 amappl4 104 729 0 695 2 1 1 2 0 8 0 amappl3 96 33577 0 33483 4 1 3 3 0 8 0 amappl2 88 6308 0 6228 3 1 2 3 0 8 0 amappl1 80 29380 0 28826 23 10 13 23 0 8 0 amappl 88 53311 0 53044 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 72 142 0 12 3 0 3 3 0 8 0 uaddrrnd 24 5617 0 5560 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 5617 0 5560 1 0 1 1 0 8 0 vmmpekpl 168 48009 0 47942 4 0 4 4 0 8 0 vmmpepl 168 352136 0 349642 243 109 134 148 0 357 19 vmsppl 448 5616 0 5560 9 2 7 7 0 8 0 rwobjpl 56 95584 0 87898 114 4 110 111 0 8 0 pdppl 4096 11241 0 11148 325 230 95 97 0 8 2 pvpl 32 43945 0 0 357 2 355 355 0 265 0 pmappl 248 5616 0 5560 5 1 4 4 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 830 0 374 14 0 14 14 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp x86_ipi_db(ffffffff82cbaff0) 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 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x54 kd_curproc sys/dev/kcov.c:590 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x54 sys/dev/kcov.c:158 __mp_lock(ffffffff82ec14a0) at __mp_lock+0x133 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82ec14a0) at __mp_lock+0x133 sys/kern/kern_lock.c:147 __mp_acquire_count(ffffffff82ec14a0,1) 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(fffffd807dcff7a8) at biowait+0x91 sys/kern/vfs_bio.c:1254 bwrite(fffffd807dcff7a8) at bwrite+0x21c sys/kern/vfs_bio.c:766 ffs_update(fffffd80636d8560,1) at ffs_update+0x28b sys/ufs/ffs/ffs_inode.c:111 ufs_makeinode(6000,fffffd806ab98bd0,ffff80002bcbecc0,ffff80002bcbecf0) at ufs_makeinode+0x451 sys/ufs/ufs/ufs_vnops.c:1775 ufs_mknod(ffff80002bcbeb60) at ufs_mknod+0x52 sys/ufs/ufs/ufs_vnops.c:167 VOP_MKNOD(fffffd806ab98bd0,ffff80002bcbecc0,ffff80002bcbecf0,ffff80002bcbebf0) at VOP_MKNOD+0xc3 sys/kern/vfs_vops.c:121 end trace frame: 0xffff80002bcbedb0, count: 0 ddb{0}> trace x86_ipi_db(ffffffff82cbaff0) 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 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x54 kd_curproc sys/dev/kcov.c:590 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x54 sys/dev/kcov.c:158 __mp_lock(ffffffff82ec14a0) at __mp_lock+0x133 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82ec14a0) at __mp_lock+0x133 sys/kern/kern_lock.c:147 __mp_acquire_count(ffffffff82ec14a0,1) 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(fffffd807dcff7a8) at biowait+0x91 sys/kern/vfs_bio.c:1254 bwrite(fffffd807dcff7a8) at bwrite+0x21c sys/kern/vfs_bio.c:766 ffs_update(fffffd80636d8560,1) at ffs_update+0x28b sys/ufs/ffs/ffs_inode.c:111 ufs_makeinode(6000,fffffd806ab98bd0,ffff80002bcbecc0,ffff80002bcbecf0) at ufs_makeinode+0x451 sys/ufs/ufs/ufs_vnops.c:1775 ufs_mknod(ffff80002bcbeb60) at ufs_mknod+0x52 sys/ufs/ufs/ufs_vnops.c:167 VOP_MKNOD(fffffd806ab98bd0,ffff80002bcbecc0,ffff80002bcbecf0,ffff80002bcbebf0) at VOP_MKNOD+0xc3 sys/kern/vfs_vops.c:121 domknodat(ffff800031b102b8,ffffff9c,20000040,6000,344e35ab) at domknodat+0x32a sys/kern/vfs_syscalls.c:1627 syscall(ffff80002bcbee90) at syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline] syscall(ffff80002bcbee90) at syscall+0x533 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x3813bbac300, count: -17 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(ffffffff8291a600) at panic+0x17b sys/kern/subr_prf.c:198 ip_fragment(fffffd806391ed00,ffff80003737daa8,ffff8000001a02a8,5dc) at ip_fragment+0x5b4 ip_output(fffffd806391ed00,0,fffffd8065553518,22,0,0,bbc8b3f7baa50832) at ip_output+0xe3c sys/netinet/ip_output.c:478 divert_output(fffffd80655534a0,fffffd806391ed00,fffffd8063f51a00,0) at divert_output+0x30a sys/netinet/ip_divert.c:174 sosend(ffff800000e53490,fffffd8063f51a00,ffff80003737dd10,0,0,0) at sosend+0x66d sendit(ffff800030cedab8,4,ffff80003737dea8,0,ffff80003737de98) at sendit+0x65d sys/kern/uipc_syscalls.c:786 sys_sendmmsg(ffff800030cedab8,ffff80003737e050,ffff80003737dfa0) at sys_sendmmsg+0x344 sys/kern/uipc_syscalls.c:677 syscall(ffff80003737e050) at syscall+0x5ae mi_syscall sys/sys/syscall_mi.h:183 [inline] syscall(ffff80003737e050) at syscall+0x5ae sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x16842b900d0, count: 5 ddb{1}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8291a600) at panic+0x17b sys/kern/subr_prf.c:198 ip_fragment(fffffd806391ed00,ffff80003737daa8,ffff8000001a02a8,5dc) at ip_fragment+0x5b4 ip_output(fffffd806391ed00,0,fffffd8065553518,22,0,0,bbc8b3f7baa50832) at ip_output+0xe3c sys/netinet/ip_output.c:478 divert_output(fffffd80655534a0,fffffd806391ed00,fffffd8063f51a00,0) at divert_output+0x30a sys/netinet/ip_divert.c:174 sosend(ffff800000e53490,fffffd8063f51a00,ffff80003737dd10,0,0,0) at sosend+0x66d sendit(ffff800030cedab8,4,ffff80003737dea8,0,ffff80003737de98) at sendit+0x65d sys/kern/uipc_syscalls.c:786 sys_sendmmsg(ffff800030cedab8,ffff80003737e050,ffff80003737dfa0) at sys_sendmmsg+0x344 sys/kern/uipc_syscalls.c:677 syscall(ffff80003737e050) at syscall+0x5ae mi_syscall sys/sys/syscall_mi.h:183 [inline] syscall(ffff80003737e050) at syscall+0x5ae sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x16842b900d0, count: -10