panic: kernel diagnostic assertion "sin6tosa(&ro->ro_dst)->sa_family == AF_INET6" failed: file "/syzkaller/managers/multicore/kernel/sys/netinet6/in6_src.c", line 328 Stopped at db_enter+0x1c: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *401995 37537 0 0 0x4000000 1 syz-executor.2 451857 77859 0 0x14000 0x40000200 0 softclock db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff828755a4) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff828f8e2c,ffffffff828ceecb,148,ffffffff8294715e) at __assert+0x29 sys/kern/subr_prf.c:157 in6_selectroute(ffff800034f7c7f0,0,fffffd806f488ac0,0) at in6_selectroute+0x228 sys/netinet6/in6_src.c:328 ip6_output(fffffd8067ed5700,0,fffffd806f488ac0,0,0,fffffd806f488b80) at ip6_output+0xc6a sys/netinet6/ip6_output.c:467 tcp_output(ffff800000dbf650) at tcp_output+0x2877 sys/netinet/tcp_output.c:1110 tcp_connect(fffffd807e8573e8,fffffd806ff50200) at tcp_connect+0x33a sys/netinet/tcp_usrreq.c:670 sys_connect(ffff80002d6a9ab0,ffff800034f7cc90,ffff800034f7cbe0) at sys_connect+0x207 sys/kern/uipc_syscalls.c:422 syscall(ffff800034f7cc90) at syscall+0x5ae mi_syscall sys/sys/syscall_mi.h:183 [inline] syscall(ffff800034f7cc90) at syscall+0x5ae sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x1906999b50, 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: kernel diagnostic assertion "sin6tosa(&ro->ro_dst)->sa_family == AF_INET6" failed: file "/syzkaller/managers/multicore/kernel/sys/netinet6/in6_src.c", line 328 ddb{1}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff828755a4) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff828f8e2c,ffffffff828ceecb,148,ffffffff8294715e) at __assert+0x29 sys/kern/subr_prf.c:157 in6_selectroute(ffff800034f7c7f0,0,fffffd806f488ac0,0) at in6_selectroute+0x228 sys/netinet6/in6_src.c:328 ip6_output(fffffd8067ed5700,0,fffffd806f488ac0,0,0,fffffd806f488b80) at ip6_output+0xc6a sys/netinet6/ip6_output.c:467 tcp_output(ffff800000dbf650) at tcp_output+0x2877 sys/netinet/tcp_output.c:1110 tcp_connect(fffffd807e8573e8,fffffd806ff50200) at tcp_connect+0x33a sys/netinet/tcp_usrreq.c:670 sys_connect(ffff80002d6a9ab0,ffff800034f7cc90,ffff800034f7cbe0) at sys_connect+0x207 sys/kern/uipc_syscalls.c:422 syscall(ffff800034f7cc90) at syscall+0x5ae mi_syscall sys/sys/syscall_mi.h:183 [inline] syscall(ffff800034f7cc90) at syscall+0x5ae sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x1906999b50, count: -10 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff800034f7c630 rbx 0xffff800029cfcca7 rdx 0xffff800010fde980 rcx 0xffff80002d6a9ab0 rax 0xffff800029cfbff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x5b42dd6b0ed5090 r11 0xaaa1b85014abcb2d r12 0xffff800029cfcaa8 r13 0 r14 0 r15 0x1 rip 0xffffffff82440f6c db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff800034f7c620 ss 0x10 db_enter+0x1c: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.2) tid=401995 pid=37537 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=78, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff80002d6a9d58,0xffff80002d6aa808 process=0xffff8000373b1f40 user=0xffff800034f77000, vmspace=0xfffffd8067115040 estcpu=28, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 21978 513857 42467 0 2 0 syz-executor.3 21978 56684 42467 0 2 0x4000000 syz-executor.3 37537 519457 67995 0 2 0 syz-executor.2 *37537 401995 67995 0 7 0x4000000 syz-executor.2 38158 341 42590 0 2 0 syz-executor.6 16842 157300 57116 0 2 0x480 syz-executor.5 16842 203603 57116 0 2 0x4000000 syz-executor.5 38370 238127 82133 0 2 0 syz-executor.0 38370 270099 82133 0 2 0x4000000 syz-executor.0 5208 149450 25323 0 2 0x2 syz-executor.7 82133 311594 25323 0 2 0x482 syz-executor.0 34510 365577 0 0 3 0x14280 nfsidl nfsio 92465 321939 0 0 3 0x14280 nfsidl nfsio 86135 22030 0 0 3 0x14280 nfsidl nfsio 41984 137006 0 0 3 0x14280 nfsidl nfsio 92549 26345 0 0 3 0x14280 nfsidl nfsio 702 514229 0 0 3 0x14280 nfsidl nfsio 55559 509094 0 0 3 0x14280 nfsidl nfsio 74979 102272 0 0 3 0x14280 nfsidl nfsio 36473 375596 0 0 3 0x14280 nfsidl nfsio 12804 2826 0 0 3 0x14280 nfsidl nfsio 63064 375657 0 0 3 0x14280 nfsidl nfsio 6816 65866 0 0 3 0x14280 nfsidl nfsio 52002 114733 0 0 3 0x14280 nfsidl nfsio 93895 497262 0 0 3 0x14280 nfsidl nfsio 81534 448838 0 0 3 0x14280 nfsidl nfsio 57427 474343 0 0 3 0x14280 nfsidl nfsio 63036 73324 0 0 3 0x14280 nfsidl nfsio 35949 117415 0 0 3 0x14280 nfsidl nfsio 95171 24015 0 0 3 0x14280 nfsidl nfsio 50041 160618 0 0 3 0x14280 nfsidl nfsio 72567 202762 0 0 3 0x14200 bored sosplice 42590 240946 25323 0 2 0x482 syz-executor.6 57116 512726 25323 0 2 0x482 syz-executor.5 42358 142743 25323 0 2 0x482 syz-executor.4 42467 125522 25323 0 3 0x82 nanoslp syz-executor.3 67995 451312 25323 0 2 0x482 syz-executor.2 29110 94295 25323 0 2 0x2 syz-executor.1 25323 7788 80819 0 3 0x2000082 wait syz-fuzzer 25323 230717 80819 0 2 0x6000482 syz-fuzzer 25323 162734 80819 0 3 0x6000082 wait syz-fuzzer 25323 168991 80819 0 3 0x6000082 wait syz-fuzzer 25323 357845 80819 0 3 0x6000082 wait syz-fuzzer 25323 449323 80819 0 3 0x6000082 wait syz-fuzzer 25323 140448 80819 0 3 0x6000082 thrsleep syz-fuzzer 25323 510441 80819 0 3 0x6000082 wait syz-fuzzer 25323 180733 80819 0 3 0x6000082 thrsleep syz-fuzzer 25323 191848 80819 0 3 0x6000082 thrsleep syz-fuzzer 25323 166105 80819 0 3 0x6000082 thrsleep syz-fuzzer 25323 165805 80819 0 3 0x6000082 thrsleep syz-fuzzer 25323 333142 80819 0 3 0x6000082 wait syz-fuzzer 25323 426838 80819 0 3 0x6000082 wait syz-fuzzer 25323 214504 80819 0 3 0x6000082 kqread syz-fuzzer 80819 146471 83615 0 3 0x10008a sigsusp ksh 83615 446664 358 0 3 0x9a kqread sshd 49477 67788 1 0 3 0x100083 ttyin getty 358 405123 1 0 3 0x88 kqread sshd 23447 187350 9768 74 3 0x1100092 bpf pflogd 9768 55605 1 0 3 0x80 netio pflogd 60963 294964 90192 73 3 0x1100090 kqread syslogd 90192 183732 1 0 3 0x100082 netio syslogd 65208 403698 1 0 3 0x100080 kqread resolvd 73718 391546 39912 77 3 0x100092 kqread dhcpleased 24142 317185 39912 77 3 0x100092 kqread dhcpleased 39912 216193 1 0 3 0x80 kqread dhcpleased 64806 464570 0 0 3 0x14200 bored smr 26170 37639 0 0 2 0x14200 zerothread 60740 495015 0 0 3 0x14200 aiodoned aiodoned 99017 106050 0 0 3 0x14200 syncer update 28 517860 0 0 3 0x14200 cleaner cleaner 64367 59561 0 0 3 0x14200 reaper reaper 85214 452613 0 0 3 0x14200 pgdaemon pagedaemon 98426 485643 0 0 3 0x14200 bored viomb 6372 419304 0 0 3 0x40014200 acpi0 acpi0 6262 152088 0 0 3 0x40014200 idle1 57864 41561 0 0 3 0x14200 bored softnet3 58165 442517 0 0 3 0x14200 bored softnet2 10715 503620 0 0 3 0x14200 bored softnet1 76452 164108 0 0 3 0x14200 bored softnet0 69357 289944 0 0 3 0x14200 bored systqmp 50476 516089 0 0 3 0x14200 bored systq 46567 232002 0 0 3 0x14200 tmoslp softclockmp 77859 451857 0 0 7 0x40014200 softclock 97964 458673 0 0 3 0x40014200 idle0 1 432491 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 37537 (syz-executor.2) thread 0xffff80002d6a9ab0 (401995) exclusive rwlock netlock r = 0 (0xffffffff82cc9bd0) #0 witness_lock+0x447 #1 sys_connect+0x1be isdnssocket sys/kern/uipc_syscalls.c:127 [inline] #1 sys_connect+0x1be sys/kern/uipc_syscalls.c:413 #2 syscall+0x5ae mi_syscall sys/sys/syscall_mi.h:183 [inline] #2 syscall+0x5ae sys/arch/amd64/amd64/trap.c:577 #3 Xsyscall+0x128 Process 29110 (syz-executor.1) thread 0xffff80002a221aa0 (94295) exclusive rrwlock inode r = 0 (0xfffffd806e02cb48) #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 vget+0x200 sys/kern/vfs_subr.c:676 #6 ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119 #7 ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1314 #8 ufs_lookup+0x1323 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x6e2 sys/kern/vfs_lookup.c:566 #11 namei+0x55a sys/kern/vfs_lookup.c:250 #12 dounlinkat+0x9d sys/kern/vfs_syscalls.c:1847 #13 syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline] #13 syscall+0x533 sys/arch/amd64/amd64/trap.c:577 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8069996a30) #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 dounlinkat+0x9d sys/kern/vfs_syscalls.c:1847 #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 10192 6483K 7126K 166960K 13070 0 pcb 15 12K 14K 166960K 226 0 rtable 242 7K 7K 166960K 648 0 pf 32 9K 10K 166960K 74 0 ifaddr 45 15K 15K 166960K 68 0 ifgroup 55 2K 2K 166960K 106 0 counters 64 36K 36K 166960K 90 0 ioctlops 0 0K 4K 166960K 1540 0 iov 0 0K 12K 166960K 181 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1347 84K 84K 166960K 2042 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 15 0 VM map 2 1K 1K 166960K 2 0 sem 12 1K 1K 166960K 146 0 dirhash 12 2K 2K 166960K 18 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 15 53K 85K 166960K 1217 0 sigio 0 0K 0K 166960K 147 0 proc 68 91K 128K 166960K 610 0 subproc 104 6K 6K 166960K 133 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 250 0 in_multi 99 7K 7K 166960K 127 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 91 413K 413K 166960K 91 0 exec 0 0K 1K 166960K 630 0 tdb 3 0K 0K 166960K 3 0 pagedep 1 8K 8K 166960K 1 0 inodedep 1 32K 32K 166960K 1 0 newblk 1 0K 0K 166960K 1 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 354 136K 137K 166960K 14184 0 UVM aobj 29 2K 2K 166960K 34 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 14 0 NDP 12 0K 1K 166960K 45 0 temp 74 6712K 7344K 166960K 13146 0 kqueue 12 18K 27K 166960K 123 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 120 107 0 104 2 1 1 2 0 8 0 rtentry 112 135 0 23 4 0 4 4 0 8 0 unpcb 144 833 0 816 7 6 1 6 0 8 0 syncache 320 12 0 12 3 3 0 1 0 8 0 tcpqe 32 175 0 175 2 2 0 1 0 8 0 tcpcb 808 170 0 164 4 3 1 4 0 8 0 arp 120 22 0 4 1 0 1 1 0 8 0 inpcb 376 982 0 973 22 14 8 12 0 8 7 nd6 136 32 0 6 1 0 1 1 0 8 0 kcovpl 48 10 0 2 1 0 1 1 0 8 0 ppxss 1168 3 0 3 1 1 0 1 0 8 0 pffrag 232 34 0 33 1 0 1 1 0 482 0 pffrnode 88 34 0 33 1 0 1 1 0 8 0 pffrent 40 67 0 66 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 34 0 21 1 0 1 1 0 8 0 pfstkey 128 34 0 21 1 0 1 1 0 8 0 pfstate 376 34 0 21 3 0 3 3 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 256 560 0 88 34 4 30 30 0 8 0 art_table 32 561 0 88 4 0 4 4 0 8 0 art_node 16 134 0 32 1 0 1 1 0 8 0 sysvmsgpl 40 3 0 3 1 1 0 1 0 8 0 semupl 112 6 0 6 1 1 0 1 0 8 0 semapl 112 107 0 97 1 0 1 1 0 8 0 shmpl 112 31 0 5 1 0 1 1 0 8 0 dirhash 1024 21 0 4 3 0 3 3 0 8 0 dino2pl 256 3003 0 1551 92 0 92 92 0 8 0 ffsino 272 3003 0 1551 98 0 98 98 0 8 0 nchpl 144 4661 0 3008 64 0 64 64 0 8 0 uvmvnodes 80 3617 0 0 74 0 74 74 0 8 0 vnodes 216 3617 0 0 201 0 201 201 0 8 0 namei 1024 16469 0 16469 5 4 1 2 0 8 1 percpumem 16 59 0 13 1 0 1 1 0 8 0 vcpupl 2048 39 0 0 5 0 5 5 0 8 0 vmpool 696 42 0 3 4 0 4 4 0 8 0 kstatmem 264 50 0 26 2 0 2 2 0 8 0 scxspl 216 14837 0 14837 12 11 1 8 1 8 1 plimitpl 152 210 0 194 1 0 1 1 0 8 0 sigapl 424 1557 0 1489 10 1 9 9 0 8 0 futexpl 64 9013 0 9013 1 0 1 1 0 8 1 knotepl 120 117 0 0 4 0 4 4 0 8 0 kqueuepl 216 269 0 261 7 4 3 5 0 8 2 pipepl 320 300 0 272 9 6 3 6 0 8 0 fdescpl 496 1518 0 1490 6 1 5 5 0 8 0 filepl 152 8079 0 7837 24 12 12 18 0 8 2 lockfpl 104 532 0 530 1 0 1 1 0 8 0 lockfspl 48 200 0 198 1 0 1 1 0 8 0 sessionpl 144 26 0 9 1 0 1 1 0 8 0 pgrppl 48 38 0 21 1 0 1 1 0 8 0 ucredpl 104 1008 0 996 1 0 1 1 0 8 0 zombiepl 144 1490 0 1489 1 0 1 1 0 8 0 processpl 1136 1557 0 1489 7 1 6 6 0 8 0 procpl 680 3453 0 3367 12 4 8 9 0 8 0 srpgc 96 4 0 4 2 2 0 1 0 8 0 sosppl 168 11 0 11 3 2 1 1 0 8 1 sockpl 488 1922 0 1893 49 37 12 21 0 8 8 mcl64k 65536 7 0 0 1 0 1 1 0 8 0 mcl16k 16384 7 0 0 1 0 1 1 0 8 0 mcl12k 12288 6 0 0 1 0 1 1 0 8 0 mcl9k 9216 6 0 0 1 0 1 1 0 8 0 mcl8k 8192 10 0 0 2 0 2 2 0 8 0 mcl4k 4096 9 0 0 2 0 2 2 0 8 0 mcl2k2 2112 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 270 0 0 34 0 34 34 0 8 0 mtagpl 96 109 0 0 3 0 3 3 0 8 0 mbufpl 256 908 0 0 56 0 56 56 0 8 0 bufpl 288 5681 0 148 396 0 396 396 0 8 0 anonpl 24 307417 0 291724 116 20 96 112 0 186 0 amapchunkpl 152 45239 0 44344 45 7 38 40 0 158 0 amappl16 200 7939 0 7486 37 12 25 33 0 8 1 amappl15 192 10 0 10 1 1 0 1 0 8 0 amappl14 184 215 0 201 2 1 1 2 0 8 0 amappl13 176 38 0 36 2 1 1 1 0 8 0 amappl12 168 2235 0 2202 4 2 2 3 0 8 0 amappl11 160 64 0 50 1 0 1 1 0 8 0 amappl10 152 44 0 32 1 0 1 1 0 8 0 amappl9 144 246 0 245 1 0 1 1 0 8 0 amappl8 136 235 0 174 3 0 3 3 0 8 0 amappl7 128 184 0 159 2 0 2 2 0 8 0 amappl6 120 284 0 278 1 0 1 1 0 8 0 amappl5 112 131 0 120 1 0 1 1 0 8 0 amappl4 104 505 0 479 3 2 1 3 0 8 0 amappl3 96 8859 0 8779 3 0 3 3 0 8 0 amappl2 88 2006 0 1932 3 1 2 3 0 8 0 amappl1 80 13938 0 13383 23 10 13 23 0 8 0 amappl 88 13587 0 13355 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 33 0 5 1 0 1 1 0 8 0 uaddrrnd 24 1560 0 1493 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1560 0 1493 1 0 1 1 0 8 0 vmmpekpl 168 15810 0 15737 4 0 4 4 0 8 0 vmmpepl 168 112374 0 109997 164 29 135 135 0 357 27 vmsppl 448 1559 0 1493 9 1 8 8 0 8 0 rwobjpl 56 38303 0 33113 77 3 74 74 0 8 0 pdppl 4096 3127 0 3025 182 76 106 112 0 8 4 pvpl 32 45515 0 0 369 1 368 368 0 265 0 pmappl 248 1559 0 1493 5 0 5 5 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 941 0 95 25 0 25 25 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp x86_ipi_db(ffffffff82d14ff0) 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(ffffffff82e41b20) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82e41b20) at __mp_lock+0x122 sys/kern/kern_lock.c:147 __mp_acquire_count(ffffffff82e41b20,1) 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 msleep(ffffffff82df59f0,ffffffff82cc3db0,0,ffffffff82850efe,0) at msleep+0xea sys/kern/kern_synch.c:249 softclock_thread(ffff80002a10c298) at softclock_thread+0xd0 sys/kern/kern_timeout.c:805 end trace frame: 0x0, count: 6 ddb{0}> trace x86_ipi_db(ffffffff82d14ff0) 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(ffffffff82e41b20) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82e41b20) at __mp_lock+0x122 sys/kern/kern_lock.c:147 __mp_acquire_count(ffffffff82e41b20,1) 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 msleep(ffffffff82df59f0,ffffffff82cc3db0,0,ffffffff82850efe,0) at msleep+0xea sys/kern/kern_synch.c:249 softclock_thread(ffff80002a10c298) at softclock_thread+0xd0 sys/kern/kern_timeout.c:805 end trace frame: 0x0, count: -9 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(ffffffff828755a4) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff828f8e2c,ffffffff828ceecb,148,ffffffff8294715e) at __assert+0x29 sys/kern/subr_prf.c:157 in6_selectroute(ffff800034f7c7f0,0,fffffd806f488ac0,0) at in6_selectroute+0x228 sys/netinet6/in6_src.c:328 ip6_output(fffffd8067ed5700,0,fffffd806f488ac0,0,0,fffffd806f488b80) at ip6_output+0xc6a sys/netinet6/ip6_output.c:467 tcp_output(ffff800000dbf650) at tcp_output+0x2877 sys/netinet/tcp_output.c:1110 tcp_connect(fffffd807e8573e8,fffffd806ff50200) at tcp_connect+0x33a sys/netinet/tcp_usrreq.c:670 sys_connect(ffff80002d6a9ab0,ffff800034f7cc90,ffff800034f7cbe0) at sys_connect+0x207 sys/kern/uipc_syscalls.c:422 syscall(ffff800034f7cc90) at syscall+0x5ae mi_syscall sys/sys/syscall_mi.h:183 [inline] syscall(ffff800034f7cc90) at syscall+0x5ae sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x1906999b50, count: 5 ddb{1}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff828755a4) at panic+0x17b sys/kern/subr_prf.c:198 __assert(ffffffff828f8e2c,ffffffff828ceecb,148,ffffffff8294715e) at __assert+0x29 sys/kern/subr_prf.c:157 in6_selectroute(ffff800034f7c7f0,0,fffffd806f488ac0,0) at in6_selectroute+0x228 sys/netinet6/in6_src.c:328 ip6_output(fffffd8067ed5700,0,fffffd806f488ac0,0,0,fffffd806f488b80) at ip6_output+0xc6a sys/netinet6/ip6_output.c:467 tcp_output(ffff800000dbf650) at tcp_output+0x2877 sys/netinet/tcp_output.c:1110 tcp_connect(fffffd807e8573e8,fffffd806ff50200) at tcp_connect+0x33a sys/netinet/tcp_usrreq.c:670 sys_connect(ffff80002d6a9ab0,ffff800034f7cc90,ffff800034f7cbe0) at sys_connect+0x207 sys/kern/uipc_syscalls.c:422 syscall(ffff800034f7cc90) at syscall+0x5ae mi_syscall sys/sys/syscall_mi.h:183 [inline] syscall(ffff800034f7cc90) at syscall+0x5ae sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x1906999b50, count: -10