panic: acpqauniicr:in g bl kocerknaeblle d ia g no s t i cs alseseeprt i lonoc k w it"h!_ k seprninell_olckoc k_ h eorld (c)r" it i c al s e c t io n f a i l e d: f i l e " / s y z k a l leher/lmd (akneargneresl_/mluolckt)i co re / k e r n el /s y s / u vm / u vm _m a p . c ", li &neke rn 2el7_3l4oc k Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 377664 98248 0 0 0x4000000 0 syz-executor.3 *314524 76614 0 0x14000 0x200 1 reaper db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 panic(ffffffff8258f849) at panic+0x177 sys/kern/subr_prf.c:202 __assert(ffffffff826021d1,ffffffff826102ef,aae,ffffffff825c283e) at __assert+0x25 sys/kern/subr_prf.c:161 uvm_map_teardown(fffffd806a880180) at uvm_map_teardown+0x2e8 sys/uvm/uvm_map.c:2736 uvmspace_free(fffffd806a880180) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3685 reaper(ffff8000210f9a40) at reaper+0x18b sys/kern/kern_exit.c:457 end trace frame: 0x0, count: 9 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 *cpu0: acquiring blockable sleep lock with spinlock or critical section held (kernel_lock) &kernel_lock cpu1: kernel diagnostic assertion "!_kernel_lock_held()" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_map.c", line 2734 ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 panic(ffffffff8258f849) at panic+0x177 sys/kern/subr_prf.c:202 __assert(ffffffff826021d1,ffffffff826102ef,aae,ffffffff825c283e) at __assert+0x25 sys/kern/subr_prf.c:161 uvm_map_teardown(fffffd806a880180) at uvm_map_teardown+0x2e8 sys/uvm/uvm_map.c:2736 uvmspace_free(fffffd806a880180) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3685 reaper(ffff8000210f9a40) at reaper+0x18b sys/kern/kern_exit.c:457 end trace frame: 0x0, count: -6 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff8000211358e0 rbx 0xffff800020ce9bff rdx 0 rcx 0 rax 0xffff8000210f9a40 r8 0x101010101010101 r9 0x8080808080808080 r10 0x3668811ca06f7a9e r11 0x85c37cee52148b23 r12 0xffff800020ce9a00 r13 0 r14 0xffffffff8294ea00 cpu_info_full_primary+0x2a00 r15 0x1 rip 0xffffffff81f18858 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff8000211358d0 ss 0 db_enter+0x18: addq $0x8,%rsp ddb{1}> show proc PROC (reaper) pid=314524 stat=onproc flags process=14000 proc=200 pri=4, usrpri=66, nice=20 forw=0xffffffffffffffff, list=0xffff8000210f8fc0,0xffff8000210f9cf0 process=0xffff8000ffffd0a0 user=0xffff800021130000, vmspace=0xffffffff829d33f8 estcpu=16, cpticks=8, pctcpu=4.48 user=0, sys=3, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 77962 229206 52268 0 2 0 syz-executor.6 98248 389944 31994 0 2 0 syz-executor.3 98248 377664 31994 0 7 0x4000000 syz-executor.3 98248 241315 31994 0 3 0x4000080 fsleep syz-executor.3 93717 368175 93270 0 2 0 syz-executor.2 45200 203515 45740 0 2 0 syz-executor.1 45200 515928 45740 0 3 0x4000080 fsleep syz-executor.1 52268 32829 75927 0 3 0x82 nanoslp syz-executor.6 93270 471097 75927 0 3 0x82 nanoslp syz-executor.2 47850 470615 0 0 3 0x14200 acct acct 19434 79279 75927 0 3 0x82 nanoslp syz-executor.7 37062 414726 0 0 3 0x14280 nfsidl nfsio 7009 231845 0 0 3 0x14280 nfsidl nfsio 25119 43280 0 0 3 0x14280 nfsidl nfsio 67422 386836 0 0 3 0x14280 nfsidl nfsio 50522 395326 0 0 3 0x14280 nfsidl nfsio 74103 324513 0 0 3 0x14280 nfsidl nfsio 57153 106016 0 0 3 0x14200 bored sosplice 64924 13155 75927 0 3 0x82 nanoslp syz-executor.5 74486 318898 75927 0 3 0x82 nanoslp syz-executor.4 31994 453795 75927 0 3 0x82 nanoslp syz-executor.3 45740 132675 75927 0 3 0x82 nanoslp syz-executor.1 9604 420663 75927 0 3 0x82 nanoslp syz-executor.0 75927 155872 87285 0 3 0x82 thrsleep syz-fuzzer 75927 339485 87285 0 3 0x4000082 thrsleep syz-fuzzer 75927 415924 87285 0 3 0x4000082 thrsleep syz-fuzzer 75927 423775 87285 0 3 0x4000082 thrsleep syz-fuzzer 75927 388571 87285 0 3 0x4000082 thrsleep syz-fuzzer 75927 202230 87285 0 3 0x4000082 kqread syz-fuzzer 75927 458501 87285 0 3 0x4000082 thrsleep syz-fuzzer 75927 61150 87285 0 3 0x4000082 thrsleep syz-fuzzer 75927 53058 87285 0 3 0x4000082 thrsleep syz-fuzzer 75927 441327 87285 0 3 0x4000082 thrsleep syz-fuzzer 87285 430895 61182 0 3 0x10008a sigsusp ksh 61182 352479 66207 0 3 0x9a kqread sshd 3530 444387 1 0 3 0x100083 ttyin getty 66207 319435 1 0 3 0x88 kqread sshd 70078 164680 33184 74 3 0x1100092 bpf pflogd 33184 151784 1 0 3 0x80 netio pflogd 87964 434589 23228 73 3 0x1100090 kqread syslogd 23228 499414 1 0 3 0x100082 netio syslogd 41541 352544 1 0 3 0x100080 kqread resolvd 68998 360697 7661 77 3 0x100092 kqread dhcpleased 52048 177170 7661 77 3 0x100092 kqread dhcpleased 7661 133138 1 0 3 0x80 kqread dhcpleased 48036 416485 0 0 3 0x14200 bored smr 28237 363259 0 0 2 0x14200 zerothread 83112 340376 0 0 3 0x14200 aiodoned aiodoned 32276 303960 0 0 3 0x14200 syncer update 33112 474515 0 0 3 0x14200 cleaner cleaner *76614 314524 0 0 7 0x14200 reaper 19429 52163 0 0 3 0x14200 pgdaemon pagedaemon 27584 406071 0 0 3 0x14200 bored viomb 73233 11472 0 0 3 0x40014200 acpi0 acpi0 30157 367080 0 0 3 0x40014200 idle1 36567 111900 0 0 3 0x14200 bored softnet 87348 73754 0 0 3 0x14200 bored systqmp 43618 471205 0 0 3 0x14200 bored systq 27757 26819 0 0 3 0x40014200 bored softclock 60694 332827 0 0 3 0x40014200 idle0 1 262071 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks CPU 0: 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 CPU 1: exclusive mutex amapchunkpl r = 0 (0xffffffff82a60f30) #0 witness_lock+0x44d #1 mtx_enter_try+0x100 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 pool_put+0x8a sys/kern/subr_pool.c:799 #4 amap_free+0x132 sys/uvm/uvm_amap.c:465 #5 amap_wipeout+0x221 sys/uvm/uvm_amap.c:532 #6 uvm_unmap_detach+0x7d sys/uvm/uvm_map.c:1599 #7 uvm_map_teardown+0x262 sys/uvm/uvm_map.c:2789 #8 uvmspace_free+0xa6 sys/uvm/uvm_map.c:3685 #9 reaper+0x18b sys/kern/kern_exit.c:457 #10 proc_trampoline+0x1c Process 98248 (syz-executor.3) thread 0xffff80002af12550 (377664) 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 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10194 6488K 6881K 78643K 15043 0 pcb 46 12K 12K 78643K 192 0 rtable 211 6K 8K 78643K 722 0 ifaddr 73 15K 18K 78643K 160 0 sysctl 2 0K 0K 78643K 2 0 counters 52 35K 35K 78643K 80 0 ioctlops 0 0K 4K 78643K 2415 0 iov 0 0K 16K 78643K 427 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1332 83K 84K 78643K 2552 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 46 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 285 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 14 49K 89K 78643K 2316 0 sigio 0 0K 0K 78643K 4 0 proc 71 87K 136K 78643K 716 0 subproc 104 6K 6K 78643K 158 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 1 0K 0K 78643K 48 0 in_multi 79 5K 6K 78643K 206 0 ether_multi 2 0K 0K 78643K 15 0 mrt 1 0K 0K 78643K 25 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 175 784K 784K 78643K 175 0 exec 0 0K 2K 78643K 944 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 374 280K 285K 78643K 31076 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 77 0 NDP 10 0K 1K 78643K 56 0 temp 122 4711K 4783K 78643K 24970 0 kqueue 12 18K 22K 78643K 107 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 120 132 0 129 2 1 1 2 0 8 0 rtentry 112 188 0 94 4 0 4 4 0 8 0 unpcb 136 2092 0 2077 27 20 7 9 0 8 6 syncache 296 16 0 16 6 6 0 1 0 8 0 tcpqe 32 4 0 4 2 2 0 1 0 8 0 tcpcb 736 620 0 606 22 20 2 7 0 8 0 arp 120 28 0 12 1 0 1 1 0 8 0 inpcb 312 1398 0 1352 25 21 4 8 0 8 0 rttmr 72 11 0 11 2 2 0 1 0 8 0 nd6 48 48 0 28 1 0 1 1 0 8 0 pkpcb 40 8 0 8 1 1 0 1 0 8 0 kcovpl 48 12 0 4 1 0 1 1 0 8 0 ppxss 1248 6 0 6 2 2 0 1 0 8 0 pffrag 232 9 0 4 1 0 1 1 0 482 0 pffrnode 88 9 0 4 1 0 1 1 0 8 0 pffrent 40 20 0 15 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 1 0 0 1 0 1 1 0 8 0 pfstitem 24 29 0 24 1 0 1 1 0 8 0 pfstkey 112 29 0 24 1 0 1 1 0 8 0 pfstate 320 29 0 24 3 1 2 3 0 8 0 pfrule 1360 25 0 18 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 694 0 301 32 1 31 32 0 8 2 art_table 32 695 0 301 5 0 5 5 0 8 0 art_node 16 187 0 101 1 0 1 1 0 8 0 sysvmsgpl 40 25 0 13 1 0 1 1 0 8 0 semapl 112 283 0 273 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 4641 0 3197 91 0 91 91 0 8 0 ffsino 272 4641 0 3197 97 0 97 97 0 8 0 nchpl 144 7828 0 6193 63 0 63 63 0 8 0 uvmvnodes 80 5367 0 0 110 0 110 110 0 8 0 vnodes 224 5367 0 0 316 0 316 316 0 8 0 namei 1024 29039 0 29039 3 2 1 2 0 8 1 percpumem 16 52 0 14 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 scsiplug 72 9 0 9 2 2 0 1 0 8 0 scxspl 216 20960 0 20960 11 10 1 8 0 8 1 plimitpl 152 239 0 224 1 0 1 1 0 8 0 sigapl 424 2625 0 2572 6 0 6 6 0 8 0 futexpl 64 20111 0 20109 1 0 1 1 0 8 0 knotepl 120 252 0 0 7 0 7 7 0 8 0 kqueuepl 216 465 0 457 16 11 5 8 0 8 4 pipepl 336 754 0 726 16 13 3 8 0 8 0 fdescpl 496 2603 0 2576 6 1 5 5 0 8 1 filepl 152 18131 0 17859 48 30 18 19 0 8 7 lockfpl 104 415 0 413 1 0 1 1 0 8 0 lockfspl 48 146 0 144 1 0 1 1 0 8 0 sessionpl 144 28 0 11 1 0 1 1 0 8 0 pgrppl 48 39 0 22 1 0 1 1 0 8 0 ucredpl 96 4223 0 4211 1 0 1 1 0 8 0 zombiepl 144 2576 0 2572 1 0 1 1 0 8 0 processpl 1064 2625 0 2572 4 0 4 4 0 8 0 procpl 672 6768 0 6701 10 3 7 8 0 8 1 srpgc 96 6 0 6 1 0 1 1 0 8 1 sosppl 168 15 0 14 4 3 1 1 0 8 0 sockpl 480 3634 0 3573 109 96 13 34 0 8 5 mcl64k 65536 15 0 0 2 0 2 2 0 8 0 mcl16k 16384 11 0 0 2 0 2 2 0 8 0 mcl12k 12288 17 0 0 2 0 2 2 0 8 0 mcl9k 9216 6 0 0 1 0 1 1 0 8 0 mcl8k 8192 17 0 0 3 0 3 3 0 8 0 mcl4k 4096 25 0 0 4 1 3 3 0 8 0 mcl2k2 2112 4 0 0 1 0 1 1 0 8 0 mcl2k 2048 205 0 0 21 0 21 21 0 8 0 mtagpl 96 323 0 0 8 0 8 8 0 8 0 mbufpl 256 558 0 0 33 0 33 33 0 8 0 bufpl 288 6706 0 370 453 0 453 453 0 8 0 anonpl 24 729242 0 713569 171 37 134 157 0 186 8 amapchunkpl 152 74899 0 74069 52 14 38 49 0 158 0 amappl16 200 8346 0 7797 67 35 32 53 0 8 2 amappl15 192 149 0 143 1 0 1 1 0 8 0 amappl14 184 24 0 19 1 0 1 1 0 8 0 amappl13 176 467 0 463 1 0 1 1 0 8 0 amappl12 168 783 0 777 2 1 1 1 0 8 0 amappl11 160 327 0 312 1 0 1 1 0 8 0 amappl10 152 634 0 625 1 0 1 1 0 8 0 amappl9 144 637 0 631 1 0 1 1 0 8 0 amappl8 136 718 0 650 3 0 3 3 0 8 0 amappl7 128 135 0 126 1 0 1 1 0 8 0 amappl6 120 398 0 373 2 1 1 2 0 8 0 amappl5 112 2405 0 2385 1 0 1 1 0 8 0 amappl4 104 1269 0 1242 2 1 1 2 0 8 0 amappl3 96 1429 0 1413 1 0 1 1 0 8 0 amappl2 88 1304 0 1254 3 1 2 3 0 8 0 amappl1 80 49076 0 48505 21 7 14 19 0 8 0 amappl 88 30456 0 30192 8 0 8 8 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 2684 0 2578 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2684 0 2578 1 0 1 1 0 8 0 vmmpekpl 168 24054 0 24001 3 0 3 3 0 8 0 vmmpepl 168 239737 0 237008 185 50 135 149 0 357 6 vmsppl 368 2683 0 2578 11 1 10 10 0 8 0 rwobjpl 56 65221 0 58162 100 0 100 100 0 8 0 pdppl 4096 5375 0 5234 265 118 147 148 0 8 6 pvpl 32 1303652 0 1283731 309 87 222 246 0 265 26 pmappl 248 2683 0 2578 8 1 7 7 0 8 0 extentpl 40 58 0 38 1 0 1 1 0 8 0 phpool 112 1099 0 180 27 0 27 27 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 x86_bus_space_io_write_1(3f8,0,a) at x86_bus_space_io_write_1+0x31 sys/arch/amd64/amd64/bus_space.c:759 comcnputc(800,a) at comcnputc+0x128 bus_space_barrier machine/bus.h:481 [inline] comcnputc(800,a) at comcnputc+0x128 sys/dev/ic/com.c:1263 cnputc(a) at cnputc+0x4b sys/dev/cons.c:239 db_putchar(a) at db_putchar+0x4bd sys/ddb/db_output.c:168 kprintf() at kprintf+0x6ac sys/kern/subr_prf.c:728 db_printf(ffffffff82608896) at db_printf+0x85 sys/kern/subr_prf.c:502 panic(ffffffff825a56b6) at panic+0xd7 sys/kern/subr_prf.c:220 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(fffffd80662348f0) at selwakeup+0x16 klist_empty sys/sys/event.h:361 [inline] selwakeup(fffffd80662348f0) at selwakeup+0x16 sys/kern/sys_generic.c:885 sorwakeup(fffffd80662347d8) at sorwakeup+0xc9 sys/kern/uipc_socket.c:1699 end trace frame: 0xffff80002e3dc790, count: 0 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 x86_bus_space_io_write_1(3f8,0,a) at x86_bus_space_io_write_1+0x31 sys/arch/amd64/amd64/bus_space.c:759 comcnputc(800,a) at comcnputc+0x128 bus_space_barrier machine/bus.h:481 [inline] comcnputc(800,a) at comcnputc+0x128 sys/dev/ic/com.c:1263 cnputc(a) at cnputc+0x4b sys/dev/cons.c:239 db_putchar(a) at db_putchar+0x4bd sys/ddb/db_output.c:168 kprintf() at kprintf+0x6ac sys/kern/subr_prf.c:728 db_printf(ffffffff82608896) at db_printf+0x85 sys/kern/subr_prf.c:502 panic(ffffffff825a56b6) at panic+0xd7 sys/kern/subr_prf.c:220 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(fffffd80662348f0) at selwakeup+0x16 klist_empty sys/sys/event.h:361 [inline] selwakeup(fffffd80662348f0) at selwakeup+0x16 sys/kern/sys_generic.c:885 sorwakeup(fffffd80662347d8) at sorwakeup+0xc9 sys/kern/uipc_socket.c:1699 rip6_input(ffff80002e3dca98,ffff80002e3dcaa4,3a,18) at rip6_input+0x692 sys/netinet6/raw_ip6.c:224 icmp6_input(ffff80002e3dca98,ffff80002e3dcaa4,3a,18) at icmp6_input+0x8e8 sys/netinet6/icmp6.c:762 ip_deliver(ffff80002e3dca98,ffff80002e3dcaa4,3a,18) at ip_deliver+0x322 sys/netinet/ip_input.c:657 ip6_input_if(ffff80002e3dca98,ffff80002e3dcaa4,29,0,ffff80000019f2a8) at ip6_input_if+0x920 ipv6_input(ffff80000019f2a8,fffffd807daf1200) at ipv6_input+0x48 sys/netinet6/ip6_input.c:169 if_input_local(ffff80000019f2a8,fffffd807daf1200,18) at if_input_local+0x136 sys/net/if.c:778 ip6_output(fffffd807db01c00,ffff800000683f80,fffffd806f67a900,0,0,fffffd806f67a888) at ip6_output+0xf57 rip6_output(fffffd807db01c00,fffffd807eaaf3d8,ffff80002e3dce00,0) at rip6_output+0x4ad sys/netinet6/raw_ip6.c:490 rip6_usrreq(fffffd807eaaf3d8,9,fffffd807db01c00,0,0,ffff80002af12550) at rip6_usrreq+0x5d3 sys/netinet6/raw_ip6.c:679 sosend(fffffd807eaaf3d8,0,ffff80002e3dd038,0,0,0) at sosend+0x632 sys/kern/uipc_socket.c:582 dofilewritev(ffff80002af12550,4,ffff80002e3dd038,0,ffff80002e3dd130) at dofilewritev+0x19c sys/kern/sys_generic.c:381 sys_write(ffff80002af12550,ffff80002e3dd0d8,ffff80002e3dd130) at sys_write+0x83 sys/kern/sys_generic.c:301 syscall(ffff80002e3dd1a0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002e3dd1a0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd815204f250, count: -28 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(ffffffff8258f849) at panic+0x177 sys/kern/subr_prf.c:202 __assert(ffffffff826021d1,ffffffff826102ef,aae,ffffffff825c283e) at __assert+0x25 sys/kern/subr_prf.c:161 uvm_map_teardown(fffffd806a880180) at uvm_map_teardown+0x2e8 sys/uvm/uvm_map.c:2736 uvmspace_free(fffffd806a880180) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3685 reaper(ffff8000210f9a40) at reaper+0x18b sys/kern/kern_exit.c:457 end trace frame: 0x0, count: 9 ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 panic(ffffffff8258f849) at panic+0x177 sys/kern/subr_prf.c:202 __assert(ffffffff826021d1,ffffffff826102ef,aae,ffffffff825c283e) at __assert+0x25 sys/kern/subr_prf.c:161 uvm_map_teardown(fffffd806a880180) at uvm_map_teardown+0x2e8 sys/uvm/uvm_map.c:2736 uvmspace_free(fffffd806a880180) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3685 reaper(ffff8000210f9a40) at reaper+0x18b sys/kern/kern_exit.c:457 end trace frame: 0x0, count: -6