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 1659 48408 0 0 0 0 syz-executor968967385 *442416 48408 0 0 0x4000000 1 syz-executor968967385 db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 panic(ffffffff825a56b6) at panic+0x177 sys/kern/subr_prf.c:202 witness_checkorder(ffffffff82b47030,9,0) at witness_checkorder+0x116d sys/kern/subr_witness.c:833 __mp_lock(ffffffff82b46e28) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline] __mp_lock(ffffffff82b46e28) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline] __mp_lock(ffffffff82b46e28) at __mp_lock+0xa1 sys/kern/kern_lock.c:142 selwakeup(fffffd806d3044f8) at selwakeup+0x16 klist_empty sys/sys/event.h:361 [inline] selwakeup(fffffd806d3044f8) at selwakeup+0x16 sys/kern/sys_generic.c:885 sorwakeup(fffffd806d3043e0) at sorwakeup+0xc9 sys/kern/uipc_socket.c:1699 rip6_input(ffff800021263d58,ffff800021263d64,3a,18) at rip6_input+0x692 sys/netinet6/raw_ip6.c:224 icmp6_input(ffff800021263d58,ffff800021263d64,3a,18) at icmp6_input+0x8e8 sys/netinet6/icmp6.c:762 ip_deliver(ffff800021263d58,ffff800021263d64,3a,18) at ip_deliver+0x322 sys/netinet/ip_input.c:657 ip6_input_if(ffff800021263d58,ffff800021263d64,29,0,ffff80000019f2a8) at ip6_input_if+0x920 ipv6_input(ffff80000019f2a8,fffffd807f00e500) at ipv6_input+0x48 sys/netinet6/ip6_input.c:169 if_input_local(ffff80000019f2a8,fffffd807f00e500,18) at if_input_local+0x136 sys/net/if.c:778 ip6_output(fffffd806d4eca00,ffff800000bc6500,fffffd807330bde8,0,0,fffffd807330bd70) at ip6_output+0xf57 rip6_output(fffffd806dca1f00,fffffd806f1e35a8,ffff8000212640c0,0) at rip6_output+0x4ad sys/netinet6/raw_ip6.c:490 end trace frame: 0xffff800021264160, 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(ffffffff825a56b6) at panic+0x177 sys/kern/subr_prf.c:202 witness_checkorder(ffffffff82b47030,9,0) at witness_checkorder+0x116d sys/kern/subr_witness.c:833 __mp_lock(ffffffff82b46e28) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline] __mp_lock(ffffffff82b46e28) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline] __mp_lock(ffffffff82b46e28) at __mp_lock+0xa1 sys/kern/kern_lock.c:142 selwakeup(fffffd806d3044f8) at selwakeup+0x16 klist_empty sys/sys/event.h:361 [inline] selwakeup(fffffd806d3044f8) at selwakeup+0x16 sys/kern/sys_generic.c:885 sorwakeup(fffffd806d3043e0) at sorwakeup+0xc9 sys/kern/uipc_socket.c:1699 rip6_input(ffff800021263d58,ffff800021263d64,3a,18) at rip6_input+0x692 sys/netinet6/raw_ip6.c:224 icmp6_input(ffff800021263d58,ffff800021263d64,3a,18) at icmp6_input+0x8e8 sys/netinet6/icmp6.c:762 ip_deliver(ffff800021263d58,ffff800021263d64,3a,18) at ip_deliver+0x322 sys/netinet/ip_input.c:657 ip6_input_if(ffff800021263d58,ffff800021263d64,29,0,ffff80000019f2a8) at ip6_input_if+0x920 ipv6_input(ffff80000019f2a8,fffffd807f00e500) at ipv6_input+0x48 sys/netinet6/ip6_input.c:169 if_input_local(ffff80000019f2a8,fffffd807f00e500,18) at if_input_local+0x136 sys/net/if.c:778 ip6_output(fffffd806d4eca00,ffff800000bc6500,fffffd807330bde8,0,0,fffffd807330bd70) at ip6_output+0xf57 rip6_output(fffffd806dca1f00,fffffd806f1e35a8,ffff8000212640c0,0) at rip6_output+0x4ad sys/netinet6/raw_ip6.c:490 rip6_usrreq(fffffd806f1e35a8,9,fffffd806dca1f00,0,0,ffff80002119d7a8) at rip6_usrreq+0x5d3 sys/netinet6/raw_ip6.c:679 sosend(fffffd806f1e35a8,0,ffff8000212642f8,0,0,0) at sosend+0x632 sys/kern/uipc_socket.c:582 dofilewritev(ffff80002119d7a8,4,ffff8000212642f8,0,ffff8000212643f0) at dofilewritev+0x19c sys/kern/sys_generic.c:381 sys_write(ffff80002119d7a8,ffff800021264398,ffff8000212643f0) at sys_write+0x83 sys/kern/sys_generic.c:301 syscall(ffff800021264460) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800021264460) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc390a92bf40, count: -20 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff800021263760 rbx 0xffff800020ce9bff rdx 0x3fd rcx 0 rax 0x68 r8 0x101010101010101 r9 0x8080808080808080 r10 0xcf9256cffabc6a65 r11 0xa7a218f186e10d55 r12 0xffff800020ce9a00 r13 0 r14 0 r15 0x1 rip 0xffffffff81f18858 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800021263750 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor968967385) pid=442416 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=51, nice=20 forw=0xffffffffffffffff, list=0xffff80002119d508,0xffffffff82b44c30 process=0xffff800021233620 user=0xffff80002125f000, vmspace=0xfffffd806d352180 estcpu=4, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 48408 1659 78608 0 7 0 syz-executor968967385 *48408 442416 78608 0 7 0x4000000 syz-executor968967385 67130 97288 1111 0 2 0 syz-executor968967385 67130 196103 1111 0 2 0x4000000 syz-executor968967385 21886 493606 75362 0 2 0 syz-executor968967385 23142 101855 34482 0 2 0 syz-executor968967385 23142 14207 34482 0 3 0x4000080 fsleep syz-executor968967385 23288 32094 2984 0 2 0 syz-executor968967385 23288 92986 2984 0 3 0x4000080 fsleep syz-executor968967385 40655 4472 69211 0 2 0 syz-executor968967385 40655 403425 69211 0 3 0x4000080 fsleep syz-executor968967385 76443 358545 15198 0 2 0 syz-executor968967385 76443 272789 15198 0 2 0x4000000 syz-executor968967385 76443 374583 15198 0 3 0x4000080 fsleep syz-executor968967385 2984 487305 44794 0 3 0x80 nanoslp syz-executor968967385 69211 110835 44794 0 3 0x80 nanoslp syz-executor968967385 15198 90556 44794 0 3 0x80 nanoslp syz-executor968967385 34482 139021 44794 0 2 0x480 syz-executor968967385 26477 434697 95171 0 2 0 syz-executor968967385 26477 52747 95171 0 3 0x4000080 fsleep syz-executor968967385 1111 326125 44794 0 3 0x80 nanoslp syz-executor968967385 95171 165634 44794 0 2 0x480 syz-executor968967385 75362 207916 44794 0 2 0x480 syz-executor968967385 78608 257060 44794 0 2 0x480 syz-executor968967385 44794 298944 79332 0 3 0x82 nanoslp syz-executor968967385 79332 419679 36695 0 3 0x10008a sigsusp ksh 36695 358768 74941 0 3 0x9a kqread sshd 67297 113146 1 0 3 0x100083 ttyin getty 74941 345793 1 0 3 0x88 kqread sshd 74122 444746 88295 74 3 0x1100092 bpf pflogd 88295 414952 1 0 3 0x80 netio pflogd 21061 45138 65779 73 3 0x1100090 kqread syslogd 65779 272858 1 0 3 0x100082 netio syslogd 90680 452479 1 0 3 0x100080 kqread resolvd 55299 135625 18338 77 3 0x100092 kqread dhcpleased 3254 421796 18338 77 3 0x100092 kqread dhcpleased 18338 489826 1 0 3 0x80 kqread dhcpleased 46091 75544 0 0 3 0x14200 bored smr 77290 223594 0 0 2 0x14200 zerothread 17938 217437 0 0 3 0x14200 aiodoned aiodoned 79851 105253 0 0 3 0x14200 syncer update 69892 460594 0 0 3 0x14200 cleaner cleaner 63618 240494 0 0 3 0x14200 reaper reaper 25652 255271 0 0 3 0x14200 pgdaemon pagedaemon 8560 242519 0 0 3 0x14200 bored viomb 10078 207398 0 0 3 0x40014200 acpi0 acpi0 25286 156034 0 0 3 0x40014200 idle1 44622 102055 0 0 3 0x14200 bored softnet 78915 126728 0 0 3 0x14200 bored systqmp 20355 37856 0 0 3 0x14200 bored systq 26085 125539 0 0 3 0x40014200 bored softclock 26762 195664 0 0 3 0x40014200 idle0 1 215967 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 (0xffffffff82a900b0) #0 witness_lock+0x44d #1 mtx_enter_try+0x100 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 rip6_input+0x1cf #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 48408 (syz-executor968967385) thread 0xffff80002119d7a8 (442416) exclusive rwlock netlock r = 0 (0xffffffff828f7720) #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 (0xffffffff82a900b0) #0 witness_lock+0x44d #1 mtx_enter_try+0x100 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 rip6_input+0x1cf #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 17 8K 8K 78643K 28 0 rtable 62 2K 2K 78643K 112 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 5 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 4 0K 0K 78643K 11 0 in_multi 16 0K 0K 78643K 27 0 ether_multi 2 0K 0K 78643K 6 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 432 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 183 7K 7K 78643K 2378 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 4 0K 0K 78643K 18 0 NDP 4 0K 0K 78643K 4 0 temp 24 4694K 4757K 78643K 3220 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 17 0 14 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 30 0 5 3 0 3 3 0 8 0 arp 120 2 0 0 1 0 1 1 0 8 0 inpcb 312 76 0 62 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 11 0 0 1 0 1 1 0 8 0 pfstkey 112 11 0 0 1 0 1 1 0 8 0 pfstate 320 11 0 0 1 0 1 1 0 8 0 pfrule 1360 21 0 15 2 0 2 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 4422 0 4422 2 1 1 1 0 8 1 percpumem 16 32 0 0 1 0 1 1 0 8 0 scxspl 216 4051 0 4051 10 2 8 8 0 8 8 plimitpl 152 16 0 9 1 0 1 1 0 8 0 sigapl 424 343 0 298 6 0 6 6 0 8 0 futexpl 64 68 0 63 1 0 1 1 0 8 0 knotepl 120 50 0 0 2 0 2 2 0 8 0 kqueuepl 216 20 0 13 1 0 1 1 0 8 0 pipepl 336 86 0 83 2 1 1 1 0 8 0 fdescpl 496 329 0 298 4 0 4 4 0 8 0 filepl 152 1189 0 1123 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 144 298 0 298 2 1 1 1 0 8 1 processpl 1064 343 0 298 4 0 4 4 0 8 0 procpl 672 358 0 305 5 0 5 5 0 8 0 sockpl 480 128 0 96 6 1 5 5 0 8 1 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 5 0 0 1 0 1 1 0 8 0 mcl2k 2048 77 0 0 10 0 10 10 0 8 0 mtagpl 96 1 0 0 1 0 1 1 0 8 0 mbufpl 256 125 0 0 8 0 8 8 0 8 0 bufpl 288 2026 0 93 139 0 139 139 0 8 0 anonpl 24 45876 0 41342 31 3 28 28 0 186 0 amapchunkpl 152 4398 0 4046 14 0 14 14 0 158 0 amappl16 200 42 0 36 2 1 1 1 0 8 0 amappl15 192 67 0 64 1 0 1 1 0 8 0 amappl14 184 1 0 1 1 1 0 1 0 8 0 amappl13 176 34 0 33 2 1 1 1 0 8 0 amappl12 168 7 0 7 2 1 1 1 0 8 1 amappl11 160 46 0 32 1 0 1 1 0 8 0 amappl10 152 8 0 6 1 0 1 1 0 8 0 amappl9 144 457 0 455 1 0 1 1 0 8 0 amappl8 136 393 0 373 1 0 1 1 0 8 0 amappl7 128 67 0 64 1 0 1 1 0 8 0 amappl6 120 114 0 101 1 0 1 1 0 8 0 amappl5 112 190 0 178 1 0 1 1 0 8 0 amappl4 104 639 0 617 1 0 1 1 0 8 0 amappl3 96 122 0 113 1 0 1 1 0 8 0 amappl2 88 372 0 332 1 0 1 1 0 8 0 amappl1 80 8943 0 8454 10 0 10 10 0 8 0 amappl 88 2085 0 1925 4 0 4 4 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 24 329 0 298 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 329 0 298 1 0 1 1 0 8 0 vmmpekpl 168 6232 0 6216 1 0 1 1 0 8 0 vmmpepl 168 27502 0 26090 64 2 62 62 0 357 0 vmsppl 368 328 0 298 3 0 3 3 0 8 0 rwobjpl 56 9803 0 7664 31 0 31 31 0 8 0 pdppl 4096 665 0 596 89 20 69 69 0 8 0 pvpl 32 140060 0 133193 58 2 56 56 0 265 0 pmappl 248 328 0 298 2 0 2 2 0 8 0 extentpl 40 58 0 38 1 0 1 1 0 8 0 phpool 112 455 0 24 13 0 13 13 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffffffff8294dff0) 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: 0x7f7fffff9cc0, count: 12 ddb{0}> trace x86_ipi_db(ffffffff8294dff0) 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: 0x7f7fffff9cc0, 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(ffffffff825a56b6) at panic+0x177 sys/kern/subr_prf.c:202 witness_checkorder(ffffffff82b47030,9,0) at witness_checkorder+0x116d sys/kern/subr_witness.c:833 __mp_lock(ffffffff82b46e28) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline] __mp_lock(ffffffff82b46e28) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline] __mp_lock(ffffffff82b46e28) at __mp_lock+0xa1 sys/kern/kern_lock.c:142 selwakeup(fffffd806d3044f8) at selwakeup+0x16 klist_empty sys/sys/event.h:361 [inline] selwakeup(fffffd806d3044f8) at selwakeup+0x16 sys/kern/sys_generic.c:885 sorwakeup(fffffd806d3043e0) at sorwakeup+0xc9 sys/kern/uipc_socket.c:1699 rip6_input(ffff800021263d58,ffff800021263d64,3a,18) at rip6_input+0x692 sys/netinet6/raw_ip6.c:224 icmp6_input(ffff800021263d58,ffff800021263d64,3a,18) at icmp6_input+0x8e8 sys/netinet6/icmp6.c:762 ip_deliver(ffff800021263d58,ffff800021263d64,3a,18) at ip_deliver+0x322 sys/netinet/ip_input.c:657 ip6_input_if(ffff800021263d58,ffff800021263d64,29,0,ffff80000019f2a8) at ip6_input_if+0x920 ipv6_input(ffff80000019f2a8,fffffd807f00e500) at ipv6_input+0x48 sys/netinet6/ip6_input.c:169 if_input_local(ffff80000019f2a8,fffffd807f00e500,18) at if_input_local+0x136 sys/net/if.c:778 ip6_output(fffffd806d4eca00,ffff800000bc6500,fffffd807330bde8,0,0,fffffd807330bd70) at ip6_output+0xf57 rip6_output(fffffd806dca1f00,fffffd806f1e35a8,ffff8000212640c0,0) at rip6_output+0x4ad sys/netinet6/raw_ip6.c:490 end trace frame: 0xffff800021264160, count: 0 ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 panic(ffffffff825a56b6) at panic+0x177 sys/kern/subr_prf.c:202 witness_checkorder(ffffffff82b47030,9,0) at witness_checkorder+0x116d sys/kern/subr_witness.c:833 __mp_lock(ffffffff82b46e28) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline] __mp_lock(ffffffff82b46e28) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline] __mp_lock(ffffffff82b46e28) at __mp_lock+0xa1 sys/kern/kern_lock.c:142 selwakeup(fffffd806d3044f8) at selwakeup+0x16 klist_empty sys/sys/event.h:361 [inline] selwakeup(fffffd806d3044f8) at selwakeup+0x16 sys/kern/sys_generic.c:885 sorwakeup(fffffd806d3043e0) at sorwakeup+0xc9 sys/kern/uipc_socket.c:1699 rip6_input(ffff800021263d58,ffff800021263d64,3a,18) at rip6_input+0x692 sys/netinet6/raw_ip6.c:224 icmp6_input(ffff800021263d58,ffff800021263d64,3a,18) at icmp6_input+0x8e8 sys/netinet6/icmp6.c:762 ip_deliver(ffff800021263d58,ffff800021263d64,3a,18) at ip_deliver+0x322 sys/netinet/ip_input.c:657 ip6_input_if(ffff800021263d58,ffff800021263d64,29,0,ffff80000019f2a8) at ip6_input_if+0x920 ipv6_input(ffff80000019f2a8,fffffd807f00e500) at ipv6_input+0x48 sys/netinet6/ip6_input.c:169 if_input_local(ffff80000019f2a8,fffffd807f00e500,18) at if_input_local+0x136 sys/net/if.c:778 ip6_output(fffffd806d4eca00,ffff800000bc6500,fffffd807330bde8,0,0,fffffd807330bd70) at ip6_output+0xf57 rip6_output(fffffd806dca1f00,fffffd806f1e35a8,ffff8000212640c0,0) at rip6_output+0x4ad sys/netinet6/raw_ip6.c:490 rip6_usrreq(fffffd806f1e35a8,9,fffffd806dca1f00,0,0,ffff80002119d7a8) at rip6_usrreq+0x5d3 sys/netinet6/raw_ip6.c:679 sosend(fffffd806f1e35a8,0,ffff8000212642f8,0,0,0) at sosend+0x632 sys/kern/uipc_socket.c:582 dofilewritev(ffff80002119d7a8,4,ffff8000212642f8,0,ffff8000212643f0) at dofilewritev+0x19c sys/kern/sys_generic.c:381 sys_write(ffff80002119d7a8,ffff800021264398,ffff8000212643f0) at sys_write+0x83 sys/kern/sys_generic.c:301 syscall(ffff800021264460) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800021264460) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc390a92bf40, count: -20 ddb{1}>