login: panic: acquiring blockable sleep lock with spinlock or critical section held (kernel_lock) &kernel_lock Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 120816 71841 0 0 0 0 syz-executor3335769445 *516958 10349 0 0 0x4000000 1 syz-executor3335769445 db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 panic(ffffffff825a4184) at panic+0x177 sys/kern/subr_prf.c:202 witness_checkorder(ffffffff82a6f1a0,9,0) at witness_checkorder+0x116d sys/kern/subr_witness.c:833 __mp_lock(ffffffff82a6ef98) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline] __mp_lock(ffffffff82a6ef98) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline] __mp_lock(ffffffff82a6ef98) at __mp_lock+0xa1 sys/kern/kern_lock.c:142 selwakeup(fffffd8075287148) at selwakeup+0x16 klist_empty sys/sys/event.h:361 [inline] selwakeup(fffffd8075287148) at selwakeup+0x16 sys/kern/sys_generic.c:885 sorwakeup(fffffd8075287030) at sorwakeup+0xc9 sys/kern/uipc_socket.c:1699 rip6_input(ffff80002121ad38,ffff80002121ad44,3a,18) at rip6_input+0x6bc sys/netinet6/raw_ip6.c:224 icmp6_input(ffff80002121ad38,ffff80002121ad44,3a,18) at icmp6_input+0x8e8 sys/netinet6/icmp6.c:762 ip_deliver(ffff80002121ad38,ffff80002121ad44,3a,18) at ip_deliver+0x322 sys/netinet/ip_input.c:657 ip6_input_if(ffff80002121ad38,ffff80002121ad44,29,0,ffff80000019f2a8) at ip6_input_if+0x920 ipv6_input(ffff80000019f2a8,fffffd806e525c00) at ipv6_input+0x48 sys/netinet6/ip6_input.c:169 if_input_local(ffff80000019f2a8,fffffd806e525c00,18) at if_input_local+0x136 sys/net/if.c:778 ip6_output(fffffd806f2eae00,ffff800000bc6180,fffffd806f682558,0,0,fffffd806f6824e0) at ip6_output+0xf57 rip6_output(fffffd807f00d000,fffffd8075287210,ffff80002121b0a0,0) at rip6_output+0x4ad sys/netinet6/raw_ip6.c:490 end trace frame: 0xffff80002121b140, count: 0 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: acquiring blockable sleep lock with spinlock or critical section held (kernel_lock) &kernel_lock ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 panic(ffffffff825a4184) at panic+0x177 sys/kern/subr_prf.c:202 witness_checkorder(ffffffff82a6f1a0,9,0) at witness_checkorder+0x116d sys/kern/subr_witness.c:833 __mp_lock(ffffffff82a6ef98) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline] __mp_lock(ffffffff82a6ef98) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline] __mp_lock(ffffffff82a6ef98) at __mp_lock+0xa1 sys/kern/kern_lock.c:142 selwakeup(fffffd8075287148) at selwakeup+0x16 klist_empty sys/sys/event.h:361 [inline] selwakeup(fffffd8075287148) at selwakeup+0x16 sys/kern/sys_generic.c:885 sorwakeup(fffffd8075287030) at sorwakeup+0xc9 sys/kern/uipc_socket.c:1699 rip6_input(ffff80002121ad38,ffff80002121ad44,3a,18) at rip6_input+0x6bc sys/netinet6/raw_ip6.c:224 icmp6_input(ffff80002121ad38,ffff80002121ad44,3a,18) at icmp6_input+0x8e8 sys/netinet6/icmp6.c:762 ip_deliver(ffff80002121ad38,ffff80002121ad44,3a,18) at ip_deliver+0x322 sys/netinet/ip_input.c:657 ip6_input_if(ffff80002121ad38,ffff80002121ad44,29,0,ffff80000019f2a8) at ip6_input_if+0x920 ipv6_input(ffff80000019f2a8,fffffd806e525c00) at ipv6_input+0x48 sys/netinet6/ip6_input.c:169 if_input_local(ffff80000019f2a8,fffffd806e525c00,18) at if_input_local+0x136 sys/net/if.c:778 ip6_output(fffffd806f2eae00,ffff800000bc6180,fffffd806f682558,0,0,fffffd806f6824e0) at ip6_output+0xf57 rip6_output(fffffd807f00d000,fffffd8075287210,ffff80002121b0a0,0) at rip6_output+0x4ad sys/netinet6/raw_ip6.c:490 rip6_usrreq(fffffd8075287210,9,fffffd807f00d000,0,0,ffff8000ffff47e8) at rip6_usrreq+0x5d3 sys/netinet6/raw_ip6.c:679 sosend(fffffd8075287210,0,ffff80002121b2d8,0,0,0) at sosend+0x632 sys/kern/uipc_socket.c:582 dofilewritev(ffff8000ffff47e8,4,ffff80002121b2d8,0,ffff80002121b3d0) at dofilewritev+0x19c sys/kern/sys_generic.c:381 sys_write(ffff8000ffff47e8,ffff80002121b378,ffff80002121b3d0) at sys_write+0x83 sys/kern/sys_generic.c:301 syscall(ffff80002121b440) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002121b440) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x617be5a7560, count: -20 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002121a740 rbx 0xffff800020ce9bff rdx 0x3fd rcx 0 rax 0x68 r8 0x101010101010101 r9 0x8080808080808080 r10 0xbf02893c4075f2b2 r11 0xd3c2f82308a646ba r12 0xffff800020ce9a00 r13 0 r14 0 r15 0x1 rip 0xffffffff815a2d98 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff80002121a730 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor3335769445) pid=516958 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff57a8,0xffff8000ffff4d38 process=0xffff80002120f1f8 user=0xffff800021216000, vmspace=0xfffffd806d3ffa20 estcpu=36, cpticks=2, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 71841 120816 73211 0 7 0 syz-executor3335769445 71841 255984 73211 0 2 0x4000000 syz-executor3335769445 64778 152248 81976 0 2 0 syz-executor3335769445 64778 72398 81976 0 3 0x4000080 fsleep syz-executor3335769445 3014 45641 20047 0 2 0 syz-executor3335769445 3014 304605 20047 0 3 0x4000080 fsleep syz-executor3335769445 94693 34454 45227 0 2 0 syz-executor3335769445 94693 386627 45227 0 3 0x4000080 fsleep syz-executor3335769445 10349 384430 36825 0 2 0 syz-executor3335769445 *10349 516958 36825 0 7 0x4000000 syz-executor3335769445 10349 182247 36825 0 3 0x4000080 fsleep syz-executor3335769445 65014 244746 88885 0 2 0 syz-executor3335769445 65014 388818 88885 0 2 0x4000000 syz-executor3335769445 23563 229470 45639 0 2 0 syz-executor3335769445 23563 13545 45639 0 2 0x4000000 syz-executor3335769445 23563 178443 45639 0 3 0x4000080 fsleep syz-executor3335769445 53727 431277 63524 0 3 0x80 nanoslp syz-executor3335769445 45639 231103 63524 0 3 0x80 nanoslp syz-executor3335769445 20047 267504 63524 0 3 0x80 nanoslp syz-executor3335769445 36825 25143 63524 0 3 0x80 nanoslp syz-executor3335769445 88885 521584 63524 0 3 0x80 nanoslp syz-executor3335769445 45227 223730 63524 0 2 0x480 syz-executor3335769445 73211 203177 63524 0 2 0x480 syz-executor3335769445 81976 499982 63524 0 2 0x480 syz-executor3335769445 63524 98959 99885 0 3 0x82 nanoslp syz-executor3335769445 99885 5972 3788 0 3 0x10008a sigsusp ksh 3788 454111 74283 0 3 0x9a kqread sshd 40078 2413 1 0 3 0x100083 ttyin getty 74283 75078 1 0 3 0x88 kqread sshd 45557 457305 24510 74 3 0x1100092 bpf pflogd 24510 323196 1 0 3 0x80 netio pflogd 12994 182956 79675 73 3 0x1100090 kqread syslogd 79675 106197 1 0 3 0x100082 netio syslogd 20549 396312 1 0 3 0x100080 kqread resolvd 55422 73150 1555 77 3 0x100092 kqread dhcpleased 48713 453764 1555 77 3 0x100092 kqread dhcpleased 1555 311638 1 0 3 0x80 kqread dhcpleased 48535 222780 0 0 3 0x14200 bored smr 92164 93291 0 0 2 0x14200 zerothread 54429 88368 0 0 3 0x14200 aiodoned aiodoned 75053 302844 0 0 3 0x14200 syncer update 58732 427678 0 0 3 0x14200 cleaner cleaner 24975 336203 0 0 3 0x14200 reaper reaper 59853 490998 0 0 3 0x14200 pgdaemon pagedaemon 39195 450035 0 0 3 0x14200 bored viomb 66670 64492 0 0 3 0x40014200 acpi0 acpi0 84788 257508 0 0 3 0x40014200 idle1 4683 338952 0 0 3 0x14200 bored softnet 93430 471191 0 0 3 0x14200 bored systqmp 21633 387252 0 0 3 0x14200 bored systq 9160 118161 0 0 3 0x40014200 bored softclock 76226 179388 0 0 3 0x40014200 idle0 1 158581 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks CPU 1: exclusive mutex &table->inpt_mtx r = 0 (0xffffffff82a21700) #0 witness_lock+0x44d #1 mtx_enter_try+0x100 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 rip6_input+0x28f #4 icmp6_input+0x8e8 sys/netinet6/icmp6.c:762 #5 ip_deliver+0x322 sys/netinet/ip_input.c:657 #6 ip6_input_if+0x920 #7 ipv6_input+0x48 sys/netinet6/ip6_input.c:169 #8 if_input_local+0x136 sys/net/if.c:778 #9 ip6_output+0xf57 #10 rip6_output+0x4ad sys/netinet6/raw_ip6.c:490 #11 rip6_usrreq+0x5d3 sys/netinet6/raw_ip6.c:679 #12 sosend+0x632 sys/kern/uipc_socket.c:582 #13 dofilewritev+0x19c sys/kern/sys_generic.c:381 #14 sys_write+0x83 sys/kern/sys_generic.c:301 #15 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #15 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #16 Xsyscall+0x128 Process 10349 (syz-executor3335769445) thread 0xffff8000ffff47e8 (516958) exclusive rwlock netlock r = 0 (0xffffffff829bbd70) #0 witness_lock+0x44d #1 solock+0x86 sys/kern/uipc_socket2.c:295 #2 sosend+0x517 sys/kern/uipc_socket.c:570 #3 dofilewritev+0x19c sys/kern/sys_generic.c:381 #4 sys_write+0x83 sys/kern/sys_generic.c:301 #5 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #5 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #6 Xsyscall+0x128 exclusive mutex &table->inpt_mtx r = 0 (0xffffffff82a21700) #0 witness_lock+0x44d #1 mtx_enter_try+0x100 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 rip6_input+0x28f #4 icmp6_input+0x8e8 sys/netinet6/icmp6.c:762 #5 ip_deliver+0x322 sys/netinet/ip_input.c:657 #6 ip6_input_if+0x920 #7 ipv6_input+0x48 sys/netinet6/ip6_input.c:169 #8 if_input_local+0x136 sys/net/if.c:778 #9 ip6_output+0xf57 #10 rip6_output+0x4ad sys/netinet6/raw_ip6.c:490 #11 rip6_usrreq+0x5d3 sys/netinet6/raw_ip6.c:679 #12 sosend+0x632 sys/kern/uipc_socket.c:582 #13 dofilewritev+0x19c sys/kern/sys_generic.c:381 #14 sys_write+0x83 sys/kern/sys_generic.c:301 #15 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #15 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #16 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10149 6454K 6455K 78643K 11239 0 pcb 26 8K 8K 78643K 268 0 rtable 62 2K 2K 78643K 121 0 ifaddr 29 8K 8K 78643K 32 0 counters 40 33K 33K 78643K 40 0 ioctlops 0 0K 4K 78643K 1479 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1167 73K 73K 78643K 1180 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 1K 78643K 2 0 VM map 2 1K 1K 78643K 2 0 sem 2 0K 0K 78643K 2 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 1 0K 0K 78643K 1 0 proc 67 87K 87K 78643K 282 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 7 0K 0K 78643K 124 0 in_multi 19 1K 1K 78643K 160 0 ether_multi 2 0K 0K 78643K 26 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 25 122K 122K 78643K 25 0 exec 0 0K 2K 78643K 452 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 7 26K 26K 78643K 7 0 UVM amap 208 71K 71K 78643K 4068 0 UVM aobj 3 2K 2K 78643K 3 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 12 0K 0K 78643K 246 0 NDP 4 0K 0K 78643K 4 0 temp 24 4694K 4757K 78643K 3355 0 kqueue 11 16K 18K 78643K 24 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 21 0 18 1 0 1 1 0 8 0 rtentry 112 23 0 1 1 0 1 1 0 8 0 unpcb 136 35 0 20 1 0 1 1 0 8 0 syncache 296 5 0 5 2 1 1 1 0 8 1 tcpcb 736 132 0 89 5 0 5 5 0 8 0 arp 120 2 0 0 1 0 1 1 0 8 0 inpcb 312 527 0 502 2 0 2 2 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 24 250 0 2 2 0 2 2 0 8 0 pfstkey 112 250 0 2 8 0 8 8 0 8 0 pfstate 320 250 0 2 21 0 21 21 0 8 0 pfrule 1360 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 96 0 0 6 0 6 6 0 8 0 art_table 32 97 0 0 1 0 1 1 0 8 0 art_node 16 22 0 2 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1424 0 39 87 0 87 87 0 8 0 ffsino 272 1424 0 39 93 0 93 93 0 8 0 nchpl 144 1599 0 49 58 0 58 58 0 8 0 uvmvnodes 80 1434 0 0 30 0 30 30 0 8 0 vnodes 224 1434 0 0 85 0 85 85 0 8 0 namei 1024 4488 0 4488 2 1 1 1 0 8 1 percpumem 16 32 0 0 1 0 1 1 0 8 0 scxspl 216 4115 0 4115 10 7 3 8 0 8 3 plimitpl 152 24 0 9 1 0 1 1 0 8 0 sigapl 424 464 0 419 6 0 6 6 0 8 0 futexpl 64 1289 0 1284 1 0 1 1 0 8 0 knotepl 120 41 0 0 2 0 2 2 0 8 0 kqueuepl 216 20 0 13 1 0 1 1 0 8 0 pipepl 336 90 0 87 2 1 1 1 0 8 0 fdescpl 496 450 0 420 4 0 4 4 0 8 0 filepl 152 1664 0 1587 3 0 3 3 0 8 0 lockfpl 104 6 0 4 1 0 1 1 0 8 0 lockfspl 48 4 0 2 1 0 1 1 0 8 0 sessionpl 144 18 0 9 1 0 1 1 0 8 0 pgrppl 48 18 0 9 1 0 1 1 0 8 0 ucredpl 96 69 0 57 1 0 1 1 0 8 0 zombiepl 144 420 0 419 2 1 1 1 0 8 0 processpl 1064 464 0 419 4 0 4 4 0 8 0 procpl 672 650 0 596 5 0 5 5 0 8 0 sockpl 480 583 0 540 7 1 6 6 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 4 0 0 1 0 1 1 0 8 0 mcl2k 2048 65 0 0 8 0 8 8 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 120 0 0 7 0 7 7 0 8 0 bufpl 288 2021 0 90 138 0 138 138 0 8 0 anonpl 24 84428 0 79554 35 4 31 32 0 186 0 amapchunkpl 152 7993 0 7614 16 0 16 16 0 158 0 amappl16 200 153 0 146 2 1 1 1 0 8 0 amappl15 192 71 0 68 1 0 1 1 0 8 0 amappl13 176 34 0 33 2 1 1 1 0 8 0 amappl12 168 14 0 14 2 1 1 1 0 8 1 amappl11 160 53 0 39 1 0 1 1 0 8 0 amappl10 152 2 0 0 1 0 1 1 0 8 0 amappl9 144 462 0 460 1 0 1 1 0 8 0 amappl8 136 520 0 501 1 0 1 1 0 8 0 amappl7 128 66 0 63 1 0 1 1 0 8 0 amappl6 120 119 0 106 1 0 1 1 0 8 0 amappl5 112 181 0 169 1 0 1 1 0 8 0 amappl4 104 660 0 639 1 0 1 1 0 8 0 amappl3 96 126 0 117 1 0 1 1 0 8 0 amappl2 88 393 0 355 1 0 1 1 0 8 0 amappl1 80 11080 0 10566 13 2 11 11 0 8 0 amappl 88 3644 0 3468 5 0 5 5 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 2 0 0 1 0 1 1 0 8 0 uaddrrnd 24 450 0 420 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 450 0 420 1 0 1 1 0 8 0 vmmpekpl 168 7061 0 7039 2 0 2 2 0 8 0 vmmpepl 168 35921 0 34482 71 5 66 66 0 357 0 vmsppl 368 449 0 420 3 0 3 3 0 8 0 rwobjpl 56 12831 0 10665 31 0 31 31 0 8 0 pdppl 4096 907 0 840 97 28 69 69 0 8 2 pvpl 32 188078 0 180905 66 6 60 60 0 265 0 pmappl 248 449 0 420 2 0 2 2 0 8 0 extentpl 40 58 0 38 1 0 1 1 0 8 0 phpool 112 461 0 33 13 0 13 13 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffffffff82986ff0) at x86_ipi_db+0x1a 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 end of kernel end trace frame: 0x7f7ffffbcba0, count: 12 ddb{0}> trace x86_ipi_db(ffffffff82986ff0) at x86_ipi_db+0x1a 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 end of kernel end trace frame: 0x7f7ffffbcba0, count: -3 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x18: addq $0x8,%rsp db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 panic(ffffffff825a4184) at panic+0x177 sys/kern/subr_prf.c:202 witness_checkorder(ffffffff82a6f1a0,9,0) at witness_checkorder+0x116d sys/kern/subr_witness.c:833 __mp_lock(ffffffff82a6ef98) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline] __mp_lock(ffffffff82a6ef98) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline] __mp_lock(ffffffff82a6ef98) at __mp_lock+0xa1 sys/kern/kern_lock.c:142 selwakeup(fffffd8075287148) at selwakeup+0x16 klist_empty sys/sys/event.h:361 [inline] selwakeup(fffffd8075287148) at selwakeup+0x16 sys/kern/sys_generic.c:885 sorwakeup(fffffd8075287030) at sorwakeup+0xc9 sys/kern/uipc_socket.c:1699 rip6_input(ffff80002121ad38,ffff80002121ad44,3a,18) at rip6_input+0x6bc sys/netinet6/raw_ip6.c:224 icmp6_input(ffff80002121ad38,ffff80002121ad44,3a,18) at icmp6_input+0x8e8 sys/netinet6/icmp6.c:762 ip_deliver(ffff80002121ad38,ffff80002121ad44,3a,18) at ip_deliver+0x322 sys/netinet/ip_input.c:657 ip6_input_if(ffff80002121ad38,ffff80002121ad44,29,0,ffff80000019f2a8) at ip6_input_if+0x920 ipv6_input(ffff80000019f2a8,fffffd806e525c00) at ipv6_input+0x48 sys/netinet6/ip6_input.c:169 if_input_local(ffff80000019f2a8,fffffd806e525c00,18) at if_input_local+0x136 sys/net/if.c:778 ip6_output(fffffd806f2eae00,ffff800000bc6180,fffffd806f682558,0,0,fffffd806f6824e0) at ip6_output+0xf57 rip6_output(fffffd807f00d000,fffffd8075287210,ffff80002121b0a0,0) at rip6_output+0x4ad sys/netinet6/raw_ip6.c:490 end trace frame: 0xffff80002121b140, count: 0 ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 panic(ffffffff825a4184) at panic+0x177 sys/kern/subr_prf.c:202 witness_checkorder(ffffffff82a6f1a0,9,0) at witness_checkorder+0x116d sys/kern/subr_witness.c:833 __mp_lock(ffffffff82a6ef98) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline] __mp_lock(ffffffff82a6ef98) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline] __mp_lock(ffffffff82a6ef98) at __mp_lock+0xa1 sys/kern/kern_lock.c:142 selwakeup(fffffd8075287148) at selwakeup+0x16 klist_empty sys/sys/event.h:361 [inline] selwakeup(fffffd8075287148) at selwakeup+0x16 sys/kern/sys_generic.c:885 sorwakeup(fffffd8075287030) at sorwakeup+0xc9 sys/kern/uipc_socket.c:1699 rip6_input(ffff80002121ad38,ffff80002121ad44,3a,18) at rip6_input+0x6bc sys/netinet6/raw_ip6.c:224 icmp6_input(ffff80002121ad38,ffff80002121ad44,3a,18) at icmp6_input+0x8e8 sys/netinet6/icmp6.c:762 ip_deliver(ffff80002121ad38,ffff80002121ad44,3a,18) at ip_deliver+0x322 sys/netinet/ip_input.c:657 ip6_input_if(ffff80002121ad38,ffff80002121ad44,29,0,ffff80000019f2a8) at ip6_input_if+0x920 ipv6_input(ffff80000019f2a8,fffffd806e525c00) at ipv6_input+0x48 sys/netinet6/ip6_input.c:169 if_input_local(ffff80000019f2a8,fffffd806e525c00,18) at if_input_local+0x136 sys/net/if.c:778 ip6_output(fffffd806f2eae00,ffff800000bc6180,fffffd806f682558,0,0,fffffd806f6824e0) at ip6_output+0xf57 rip6_output(fffffd807f00d000,fffffd8075287210,ffff80002121b0a0,0) at rip6_output+0x4ad sys/netinet6/raw_ip6.c:490 rip6_usrreq(fffffd8075287210,9,fffffd807f00d000,0,0,ffff8000ffff47e8) at rip6_usrreq+0x5d3 sys/netinet6/raw_ip6.c:679 sosend(fffffd8075287210,0,ffff80002121b2d8,0,0,0) at sosend+0x632 sys/kern/uipc_socket.c:582 dofilewritev(ffff8000ffff47e8,4,ffff80002121b2d8,0,ffff80002121b3d0) at dofilewritev+0x19c sys/kern/sys_generic.c:381 sys_write(ffff8000ffff47e8,ffff80002121b378,ffff80002121b3d0) at sys_write+0x83 sys/kern/sys_generic.c:301 syscall(ffff80002121b440) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002121b440) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x617be5a7560, count: -20 ddb{1}>