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 456401 55237 0 0 0 1 syz-executor.4 *173109 10097 0 0 0x4000000 0 syz-executor.6 db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 panic(ffffffff825a2db5) at panic+0x177 sys/kern/subr_prf.c:202 witness_checkorder(ffffffff829f3ad8,9,0) at witness_checkorder+0x116d sys/kern/subr_witness.c:833 __mp_lock(ffffffff829f38d0) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline] __mp_lock(ffffffff829f38d0) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline] __mp_lock(ffffffff829f38d0) at __mp_lock+0xa1 sys/kern/kern_lock.c:142 selwakeup(fffffd80677206c0) at selwakeup+0x16 klist_empty sys/sys/event.h:361 [inline] selwakeup(fffffd80677206c0) at selwakeup+0x16 sys/kern/sys_generic.c:885 sorwakeup(fffffd80677205a8) at sorwakeup+0xc9 sys/kern/uipc_socket.c:1699 rip6_input(ffff80002af02d18,ffff80002af02d24,85,18) at rip6_input+0x692 sys/netinet6/raw_ip6.c:224 ip_deliver(ffff80002af02d18,ffff80002af02d24,85,18) at ip_deliver+0x322 sys/netinet/ip_input.c:657 ip6_input_if(ffff80002af02d18,ffff80002af02d24,29,0,ffff80000019f2a8) at ip6_input_if+0x920 ipv6_input(ffff80000019f2a8,fffffd806850e900) at ipv6_input+0x48 sys/netinet6/ip6_input.c:169 if_input_local(ffff80000019f2a8,fffffd806850e900,18) at if_input_local+0x136 sys/net/if.c:778 ip6_output(fffffd8078324000,ffff800000cbbe80,fffffd805cdedf40,0,0,fffffd805cdedec8) at ip6_output+0xf57 rip6_output(fffffd8078324000,fffffd806f28c008,ffff80002af03080,0) at rip6_output+0x4ad sys/netinet6/raw_ip6.c:490 rip6_usrreq(fffffd806f28c008,9,fffffd8078324000,0,0,ffff80002264a2b0) at rip6_usrreq+0x5d3 sys/netinet6/raw_ip6.c:679 end trace frame: 0xffff80002af03200, 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{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: acquiring blockable sleep lock with spinlock or critical section held (kernel_lock) &kernel_lock ddb{0}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 panic(ffffffff825a2db5) at panic+0x177 sys/kern/subr_prf.c:202 witness_checkorder(ffffffff829f3ad8,9,0) at witness_checkorder+0x116d sys/kern/subr_witness.c:833 __mp_lock(ffffffff829f38d0) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline] __mp_lock(ffffffff829f38d0) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline] __mp_lock(ffffffff829f38d0) at __mp_lock+0xa1 sys/kern/kern_lock.c:142 selwakeup(fffffd80677206c0) at selwakeup+0x16 klist_empty sys/sys/event.h:361 [inline] selwakeup(fffffd80677206c0) at selwakeup+0x16 sys/kern/sys_generic.c:885 sorwakeup(fffffd80677205a8) at sorwakeup+0xc9 sys/kern/uipc_socket.c:1699 rip6_input(ffff80002af02d18,ffff80002af02d24,85,18) at rip6_input+0x692 sys/netinet6/raw_ip6.c:224 ip_deliver(ffff80002af02d18,ffff80002af02d24,85,18) at ip_deliver+0x322 sys/netinet/ip_input.c:657 ip6_input_if(ffff80002af02d18,ffff80002af02d24,29,0,ffff80000019f2a8) at ip6_input_if+0x920 ipv6_input(ffff80000019f2a8,fffffd806850e900) at ipv6_input+0x48 sys/netinet6/ip6_input.c:169 if_input_local(ffff80000019f2a8,fffffd806850e900,18) at if_input_local+0x136 sys/net/if.c:778 ip6_output(fffffd8078324000,ffff800000cbbe80,fffffd805cdedf40,0,0,fffffd805cdedec8) at ip6_output+0xf57 rip6_output(fffffd8078324000,fffffd806f28c008,ffff80002af03080,0) at rip6_output+0x4ad sys/netinet6/raw_ip6.c:490 rip6_usrreq(fffffd806f28c008,9,fffffd8078324000,0,0,ffff80002264a2b0) at rip6_usrreq+0x5d3 sys/netinet6/raw_ip6.c:679 sosend(fffffd806f28c008,0,ffff80002af032b8,0,0,0) at sosend+0x632 sys/kern/uipc_socket.c:582 dofilewritev(ffff80002264a2b0,5,ffff80002af032b8,0,ffff80002af033b0) at dofilewritev+0x19c sys/kern/sys_generic.c:381 sys_write(ffff80002264a2b0,ffff80002af03358,ffff80002af033b0) at sys_write+0x83 sys/kern/sys_generic.c:301 syscall(ffff80002af03420) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002af03420) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x749a1e5cec0, count: -19 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80002af02830 rbx 0xffffffff8298dbff cpu_info_full_primary+0x2bff rdx 0 rcx 0 rax 0xffff80002264a2b0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x4e84b742db7c97db r11 0x56cf73fff42df96d r12 0xffffffff8298da00 cpu_info_full_primary+0x2a00 r13 0 r14 0 r15 0x1 rip 0xffffffff811e4c58 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff80002af02820 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.6) pid=173109 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800027acfce0,0xffffffff82afb7b8 process=0xffff8000211b69a0 user=0xffff80002aefe000, vmspace=0xfffffd80663875d0 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 55237 456401 97219 0 7 0 syz-executor.4 55237 153445 97219 0 3 0x4000080 netio syz-executor.4 75638 78835 90444 0 2 0 syz-executor.1 75638 380757 90444 0 3 0x4000080 fsleep syz-executor.1 10097 375221 44525 0 2 0 syz-executor.6 *10097 173109 44525 0 7 0x4000000 syz-executor.6 16320 261670 16831 0 2 0 syz-executor.0 16320 271834 16831 0 2 0x4000000 syz-executor.0 5070 23367 49462 0 3 0x82 piperd syz-executor.3 4181 89569 49462 0 3 0x82 piperd syz-executor.7 11903 137125 49462 0 3 0x82 piperd syz-executor.5 97219 156361 49462 0 3 0x82 nanoslp syz-executor.4 95639 121766 0 0 3 0x14280 nfsidl nfsio 37287 395073 0 0 3 0x14280 nfsidl nfsio 73817 98940 0 0 3 0x14280 nfsidl nfsio 81318 489045 0 0 3 0x14280 nfsidl nfsio 9729 524129 0 0 3 0x14280 nfsidl nfsio 96334 80053 0 0 3 0x14280 nfsidl nfsio 93061 26354 0 0 3 0x14280 nfsidl nfsio 48331 453397 0 0 3 0x14280 nfsidl nfsio 8747 416719 0 0 3 0x14280 nfsidl nfsio 17368 460796 0 0 3 0x14280 nfsidl nfsio 34759 254837 0 0 3 0x14280 nfsidl nfsio 6689 40219 0 0 3 0x14280 nfsidl nfsio 15515 240556 0 0 3 0x14280 nfsidl nfsio 72367 24350 0 0 3 0x14280 nfsidl nfsio 35517 419914 0 0 3 0x14280 nfsidl nfsio 45178 62218 0 0 3 0x14280 nfsidl nfsio 98499 494813 0 0 3 0x14280 nfsidl nfsio 28162 243280 0 0 3 0x14280 nfsidl nfsio 27656 231554 0 0 3 0x14280 nfsidl nfsio 46743 260584 0 0 3 0x14280 nfsidl nfsio 17079 240107 0 0 3 0x14200 acct acct 83316 95178 0 0 3 0x14200 bored sosplice 44525 238714 49462 0 3 0x82 nanoslp syz-executor.6 53507 474230 49462 0 3 0x82 piperd syz-executor.2 90444 162928 49462 0 3 0x82 nanoslp syz-executor.1 16831 32102 49462 0 3 0x82 nanoslp syz-executor.0 49462 24386 333 0 3 0x82 thrsleep syz-fuzzer 49462 123474 333 0 3 0x4000082 nanoslp syz-fuzzer 49462 427287 333 0 3 0x4000082 thrsleep syz-fuzzer 49462 241318 333 0 3 0x4000082 thrsleep syz-fuzzer 49462 500334 333 0 3 0x4000082 kqread syz-fuzzer 49462 14301 333 0 3 0x4000082 thrsleep syz-fuzzer 49462 15614 333 0 3 0x4000082 thrsleep syz-fuzzer 49462 419049 333 0 3 0x4000082 thrsleep syz-fuzzer 49462 362898 333 0 3 0x4000082 thrsleep syz-fuzzer 333 34704 78699 0 3 0x10008a sigsusp ksh 78699 219148 15087 0 3 0x9a kqread sshd 15095 307678 1 0 3 0x100083 ttyin getty 15087 169893 1 0 3 0x88 kqread sshd 65239 23222 78662 74 3 0x1100092 bpf pflogd 78662 196747 1 0 3 0x80 netio pflogd 16431 33201 95465 73 3 0x1100090 kqread syslogd 95465 278333 1 0 3 0x100082 netio syslogd 437 398115 1 0 3 0x100080 kqread resolvd 5660 216250 1553 77 3 0x100092 kqread dhcpleased 91421 360790 1553 77 3 0x100092 kqread dhcpleased 1553 237120 1 0 3 0x80 kqread dhcpleased 5627 211798 0 0 3 0x14200 bored smr 64769 51626 0 0 2 0x14200 zerothread 68080 55931 0 0 3 0x14200 aiodoned aiodoned 69194 414925 0 0 3 0x14200 syncer update 26969 232713 0 0 3 0x14200 cleaner cleaner 99048 268143 0 0 3 0x14200 reaper reaper 86931 21054 0 0 3 0x14200 pgdaemon pagedaemon 16062 198430 0 0 3 0x14200 bored viomb 30565 326887 0 0 3 0x40014200 acpi0 acpi0 72908 216110 0 0 3 0x40014200 idle1 3482 177812 0 0 3 0x14200 bored softnet 49009 498967 0 0 3 0x14200 bored systqmp 67530 246927 0 0 3 0x14200 bored systq 88450 179105 0 0 3 0x40014200 bored softclock 32572 494426 0 0 3 0x40014200 idle0 1 425145 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex &table->inpt_mtx r = 0 (0xffffffff82b8e030) #0 witness_lock+0x44d #1 mtx_enter_try+0x100 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 rip6_input+0x1cf #4 ip_deliver+0x322 sys/netinet/ip_input.c:657 #5 ip6_input_if+0x920 #6 ipv6_input+0x48 sys/netinet6/ip6_input.c:169 #7 if_input_local+0x136 sys/net/if.c:778 #8 ip6_output+0xf57 #9 rip6_output+0x4ad sys/netinet6/raw_ip6.c:490 #10 rip6_usrreq+0x5d3 sys/netinet6/raw_ip6.c:679 #11 sosend+0x632 sys/kern/uipc_socket.c:582 #12 dofilewritev+0x19c sys/kern/sys_generic.c:381 #13 sys_write+0x83 sys/kern/sys_generic.c:301 #14 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #14 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #15 Xsyscall+0x128 Process 10097 (syz-executor.6) thread 0xffff80002264a2b0 (173109) exclusive rwlock netlock r = 0 (0xffffffff82904160) #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 (0xffffffff82b8e030) #0 witness_lock+0x44d #1 mtx_enter_try+0x100 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 rip6_input+0x1cf #4 ip_deliver+0x322 sys/netinet/ip_input.c:657 #5 ip6_input_if+0x920 #6 ipv6_input+0x48 sys/netinet6/ip6_input.c:169 #7 if_input_local+0x136 sys/net/if.c:778 #8 ip6_output+0xf57 #9 rip6_output+0x4ad sys/netinet6/raw_ip6.c:490 #10 rip6_usrreq+0x5d3 sys/netinet6/raw_ip6.c:679 #11 sosend+0x632 sys/kern/uipc_socket.c:582 #12 dofilewritev+0x19c sys/kern/sys_generic.c:381 #13 sys_write+0x83 sys/kern/sys_generic.c:301 #14 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #14 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #15 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10205 6493K 6808K 78643K 14123 0 pcb 18 14K 15K 78643K 335 0 rtable 189 10K 12K 78643K 2344 0 ifaddr 77 17K 20K 78643K 348 0 sysctl 2 0K 0K 78643K 2 0 counters 52 35K 36K 78643K 140 0 ioctlops 0 0K 4K 78643K 1804 0 iov 0 0K 16K 78643K 78 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 5 0 vnodes 1341 84K 84K 78643K 2380 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 50 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 192 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 14 49K 81K 78643K 2769 0 sigio 0 0K 0K 78643K 95 0 proc 73 87K 124K 78643K 834 0 subproc 104 6K 6K 78643K 189 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 1 0K 0K 78643K 189 0 in_multi 69 4K 6K 78643K 194 0 ether_multi 2 0K 0K 78643K 12 0 mrt 1 0K 0K 78643K 17 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 235 1049K 1049K 78643K 235 0 exec 0 0K 2K 78643K 969 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 372 313K 330K 78643K 36661 0 UVM aobj 131 4K 4K 78643K 131 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 2 0K 0K 78643K 481 0 NDP 10 0K 2K 78643K 82 0 temp 129 4725K 4791K 78643K 16000 0 kqueue 12 18K 28K 78643K 173 0 SYN cache 2 16K 16K 78643K 2 0 ddb{0}> 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 2490 0 2487 12 8 4 5 0 8 3 rtentry 112 195 0 121 4 0 4 4 0 8 0 unpcb 136 1785 0 1768 21 12 9 10 0 8 8 syncache 296 8 0 8 3 3 0 1 0 8 0 sackhl 24 1 0 1 1 1 0 1 0 8 0 tcpcb 736 915 0 899 16 13 3 9 0 8 1 arp 120 32 0 17 1 0 1 1 0 8 0 inpcb 312 2630 0 2612 33 27 6 12 0 8 4 rttmr 72 6 0 6 2 2 0 1 0 8 0 ip6q 72 4 0 4 1 1 0 1 0 8 0 ip6af 40 12 0 12 1 1 0 1 0 8 0 nd6 48 42 0 27 1 0 1 1 0 8 0 kcovpl 48 14 0 6 1 0 1 1 0 8 0 ppxss 1248 18 0 18 3 2 1 1 0 8 1 pfstscr 40 17 0 17 2 2 0 1 0 8 0 pffrag 232 74 0 72 1 0 1 1 0 482 0 pffrnode 88 74 0 72 1 0 1 1 0 8 0 pffrent 40 155 0 153 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 pfrktable 1344 41 0 32 2 1 1 1 0 8 0 pftag 88 13 0 10 2 1 1 1 0 8 0 pfqueue 264 4 0 4 2 2 0 1 0 8 0 pfstitem 24 32 0 27 1 0 1 1 0 8 0 pfstkey 112 53 0 48 1 0 1 1 0 8 0 pfstate 320 45 0 40 3 1 2 2 0 8 0 pfrule 1360 80 0 49 4 1 3 3 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 782 0 464 31 7 24 29 0 8 0 art_table 32 783 0 464 4 0 4 4 0 8 0 art_node 16 189 0 124 1 0 1 1 0 8 0 sysvmsgpl 40 4 0 1 2 1 1 1 0 8 0 semapl 112 187 0 177 1 0 1 1 0 8 0 shmpl 112 128 0 0 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 4955 0 3514 91 0 91 91 0 8 0 ffsino 272 4955 0 3514 97 0 97 97 0 8 0 nchpl 144 8710 0 7079 63 0 63 63 0 8 0 uvmvnodes 80 5715 0 0 117 0 117 117 0 8 0 vnodes 224 5715 0 0 337 0 337 337 0 8 0 namei 1024 29261 0 29261 3 2 1 2 0 8 1 percpumem 16 82 0 44 1 0 1 1 0 8 0 vcpupl 2048 78 0 0 10 0 10 10 0 8 0 vmpool 560 81 0 3 6 0 6 6 0 8 0 pfiaddrpl 120 18 0 7 2 1 1 1 0 8 0 scsiplug 72 5 0 5 1 1 0 1 0 8 0 scxspl 216 27688 0 27688 10 9 1 6 0 8 1 plimitpl 152 169 0 154 1 0 1 1 0 8 0 sigapl 424 3080 0 3017 8 0 8 8 0 8 0 futexpl 64 24347 0 24346 1 0 1 1 0 8 0 knotepl 120 286 0 0 7 0 7 7 0 8 0 kqueuepl 216 568 0 560 15 14 1 5 0 8 0 pipepl 336 421 0 393 17 9 8 8 0 8 5 fdescpl 496 3043 0 3016 5 1 4 5 0 8 0 filepl 152 19472 0 19223 44 26 18 23 0 8 8 lockfpl 104 731 0 729 3 1 2 2 0 8 1 lockfspl 48 176 0 174 1 0 1 1 0 8 0 sessionpl 144 30 0 13 1 0 1 1 0 8 0 pgrppl 48 34 0 17 1 0 1 1 0 8 0 ucredpl 96 1913 0 1901 1 0 1 1 0 8 0 zombiepl 144 3017 0 3017 1 0 1 1 0 8 1 processpl 1064 3080 0 3017 5 0 5 5 0 8 0 procpl 672 8038 0 7963 10 2 8 8 0 8 0 srpgc 96 7 0 7 3 2 1 1 0 8 1 sosppl 168 16 0 16 3 2 1 1 0 8 1 sockpl 480 6909 0 6874 133 121 12 38 0 8 7 mcl64k 65536 17 0 0 3 0 3 3 0 8 0 mcl16k 16384 13 0 0 2 0 2 2 0 8 0 mcl12k 12288 17 0 0 2 0 2 2 0 8 0 mcl9k 9216 8 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 179 0 0 20 1 19 20 0 8 0 mtagpl 96 323 0 0 8 0 8 8 0 8 0 mbufpl 256 16135 0 0 1003 0 1003 1003 0 8 0 bufpl 288 7427 0 1091 453 0 453 453 0 8 0 anonpl 24 821264 0 803316 168 34 134 138 0 186 16 amapchunkpl 152 90437 0 89602 84 34 50 50 0 158 13 amappl16 200 7759 0 7223 71 34 37 41 0 8 8 amappl15 192 1008 0 1001 1 0 1 1 0 8 0 amappl14 184 20 0 16 1 0 1 1 0 8 0 amappl13 176 536 0 532 1 0 1 1 0 8 0 amappl12 168 639 0 632 2 1 1 1 0 8 0 amappl11 160 50 0 35 1 0 1 1 0 8 0 amappl10 152 49 0 43 1 0 1 1 0 8 0 amappl9 144 828 0 823 1 0 1 1 0 8 0 amappl8 136 1056 0 993 3 0 3 3 0 8 0 amappl7 128 473 0 461 1 0 1 1 0 8 0 amappl6 120 581 0 557 2 1 1 2 0 8 0 amappl5 112 2259 0 2244 1 0 1 1 0 8 0 amappl4 104 1020 0 995 2 1 1 2 0 8 0 amappl3 96 1276 0 1263 1 0 1 1 0 8 0 amappl2 88 1452 0 1396 3 1 2 3 0 8 0 amappl1 80 57278 0 56727 19 6 13 19 0 8 0 amappl 88 36004 0 35744 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 72 130 0 0 3 0 3 3 0 8 0 uaddrrnd 24 3124 0 3019 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 3124 0 3019 1 0 1 1 0 8 0 vmmpekpl 168 25542 0 25477 4 0 4 4 0 8 0 vmmpepl 168 277860 0 275359 152 25 127 127 0 357 6 vmsppl 368 3123 0 3019 10 0 10 10 0 8 0 rwobjpl 56 73779 0 66403 105 0 105 105 0 8 0 pdppl 4096 6255 0 6116 244 97 147 147 0 8 8 pvpl 32 1490910 0 1468576 296 80 216 262 0 265 22 pmappl 248 3123 0 3019 7 0 7 7 0 8 0 extentpl 40 58 0 38 1 0 1 1 0 8 0 phpool 112 2050 0 159 56 1 55 55 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 panic(ffffffff825a2db5) at panic+0x177 sys/kern/subr_prf.c:202 witness_checkorder(ffffffff829f3ad8,9,0) at witness_checkorder+0x116d sys/kern/subr_witness.c:833 __mp_lock(ffffffff829f38d0) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline] __mp_lock(ffffffff829f38d0) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline] __mp_lock(ffffffff829f38d0) at __mp_lock+0xa1 sys/kern/kern_lock.c:142 selwakeup(fffffd80677206c0) at selwakeup+0x16 klist_empty sys/sys/event.h:361 [inline] selwakeup(fffffd80677206c0) at selwakeup+0x16 sys/kern/sys_generic.c:885 sorwakeup(fffffd80677205a8) at sorwakeup+0xc9 sys/kern/uipc_socket.c:1699 rip6_input(ffff80002af02d18,ffff80002af02d24,85,18) at rip6_input+0x692 sys/netinet6/raw_ip6.c:224 ip_deliver(ffff80002af02d18,ffff80002af02d24,85,18) at ip_deliver+0x322 sys/netinet/ip_input.c:657 ip6_input_if(ffff80002af02d18,ffff80002af02d24,29,0,ffff80000019f2a8) at ip6_input_if+0x920 ipv6_input(ffff80000019f2a8,fffffd806850e900) at ipv6_input+0x48 sys/netinet6/ip6_input.c:169 if_input_local(ffff80000019f2a8,fffffd806850e900,18) at if_input_local+0x136 sys/net/if.c:778 ip6_output(fffffd8078324000,ffff800000cbbe80,fffffd805cdedf40,0,0,fffffd805cdedec8) at ip6_output+0xf57 rip6_output(fffffd8078324000,fffffd806f28c008,ffff80002af03080,0) at rip6_output+0x4ad sys/netinet6/raw_ip6.c:490 rip6_usrreq(fffffd806f28c008,9,fffffd8078324000,0,0,ffff80002264a2b0) at rip6_usrreq+0x5d3 sys/netinet6/raw_ip6.c:679 sosend(fffffd806f28c008,0,ffff80002af032b8,0,0,0) at sosend+0x632 sys/kern/uipc_socket.c:582 dofilewritev(ffff80002264a2b0,5,ffff80002af032b8,0,ffff80002af033b0) at dofilewritev+0x19c sys/kern/sys_generic.c:381 sys_write(ffff80002264a2b0,ffff80002af03358,ffff80002af033b0) at sys_write+0x83 sys/kern/sys_generic.c:301 syscall(ffff80002af03420) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002af03420) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x749a1e5cec0, count: -19 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffff800020ce8ff0) 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: 0x7f7fffffb660, count: 12 ddb{1}> trace x86_ipi_db(ffff800020ce8ff0) 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: 0x7f7fffffb660, count: -3