panic(ffffffff8240a73d) at panic+0x164 sys/kern/subr_prf.c:218 __assert(ffffffff82474f23,ffffffff82480046,a8e,ffffffff8243b111) at __assert+0x2b sys/kern/subr_prf.c:162 uvm_map_teardown(fffffd807efff8a0) at uvm_map_teardown+0x2ce sys/uvm/uvm_map.c:2704 uvmspace_free(fffffd807efff8a0) at uvmspace_free+0x86 sys/uvm/uvm_map.c:3646 uvm_exit(ffff800020ea3380) at uvm_exit+0x29 sys/uvm/uvm_glue.c:297 reaper(ffff800020d89860) at reaper+0x189 sys/kern/kern_exit.c:456 end trace frame: 0x0, count: 8 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 pool_do_get: mbufpl free list modified: page 0xfffffd8069336000; item addr 0xfffffd8069336100; offset 0x0=0x0 != 0x43efc605495e6d49 ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff8240a73d) at panic+0x164 sys/kern/subr_prf.c:218 __assert(ffffffff82474f23,ffffffff82480046,a8e,ffffffff8243b111) at __assert+0x2b sys/kern/subr_prf.c:162 uvm_map_teardown(fffffd807efff8a0) at uvm_map_teardown+0x2ce sys/uvm/uvm_map.c:2704 uvmspace_free(fffffd807efff8a0) at uvmspace_free+0x86 sys/uvm/uvm_map.c:3646 uvm_exit(ffff800020ea3380) at uvm_exit+0x29 sys/uvm/uvm_glue.c:297 reaper(ffff800020d89860) at reaper+0x189 sys/kern/kern_exit.c:456 end trace frame: 0x0, count: -7 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff800020dcef60 rbx 0xffff800020dcf010 rdx 0x8b rcx 0x2 rax 0x1 r8 0xffffffff81cae1ef kprintf+0x16f r9 0x1 r10 0x2 r11 0x99813fd67476fde2 r12 0x3000000008 r13 0xffff800020dcef70 r14 0x104 r15 0x1 rip 0xffffffff81a0eff8 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800020dcef50 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{1}> show proc PROC (reaper) pid=307929 stat=onproc flags process=14000 proc=200 pri=4, usrpri=55, nice=20 forw=0xffffffffffffffff, list=0xffff800020d895f0,0xffff800020d89ae0 process=0xffff800020dbc7c8 user=0xffff800020dca000, vmspace=0xffffffff829223c8 estcpu=5, cpticks=14, pctcpu=0.19 user=0, sys=2, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 5042 385962 98832 0 2 0x80 syz-executor.1 5042 58155 98832 0 7 0x4000000 syz-executor.1 5042 213393 98832 0 3 0x4000080 fsleep syz-executor.1 5042 335152 98832 0 3 0x4000080 fsleep syz-executor.1 55160 262482 0 0 3 0x14200 bored sosplice 98832 447447 25171 0 3 0x82 nanosleep syz-executor.1 95528 118900 25171 0 3 0x82 nanosleep syz-executor.0 25171 314659 41354 0 3 0x82 thrsleep syz-fuzzer 25171 258193 41354 0 3 0x4000082 nanosleep syz-fuzzer 25171 199693 41354 0 3 0x4000082 thrsleep syz-fuzzer 25171 224214 41354 0 3 0x4000082 thrsleep syz-fuzzer 25171 328432 41354 0 3 0x4000082 thrsleep syz-fuzzer 25171 350044 41354 0 3 0x4000082 thrsleep syz-fuzzer 25171 482211 41354 0 3 0x4000082 thrsleep syz-fuzzer 25171 170622 41354 0 3 0x4000082 kqread syz-fuzzer 41354 353711 63071 0 3 0x10008a pause ksh 63071 260218 70633 0 3 0x92 select sshd 37999 122131 1 0 3 0x100083 ttyin getty 70633 156566 1 0 3 0x80 select sshd 96115 175793 84701 74 3 0x100092 bpf pflogd 84701 181994 1 0 3 0x80 netio pflogd 5860 460588 77166 73 3 0x100090 kqread syslogd 77166 284371 1 0 3 0x100082 netio syslogd 75423 469823 1 77 3 0x100090 poll dhclient 8281 456715 1 0 3 0x80 poll dhclient 36746 268798 0 0 3 0x14200 bored smr 57831 92084 0 0 2 0x14200 zerothread 617 278240 0 0 3 0x14200 aiodoned aiodoned 54979 36900 0 0 3 0x14200 syncer update 82438 202867 0 0 3 0x14200 cleaner cleaner *10371 307929 0 0 7 0x14200 reaper 75250 446374 0 0 3 0x14200 pgdaemon pagedaemon 93015 191526 0 0 3 0x14200 bored crynlk 22759 326247 0 0 3 0x14200 bored crypto 21763 71139 0 0 3 0x40014200 acpi0 acpi0 88882 326022 0 0 3 0x40014200 idle1 38315 230759 0 0 2 0x14200 softnet 88327 287326 0 0 3 0x14200 bored systqmp 35061 504273 0 0 3 0x14200 bored systq 96883 352297 0 0 3 0x40014200 bored softclock 27558 58247 0 0 3 0x40014200 idle0 1 264232 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks CPU 0: exclusive mutex mbufpl r = 0 (0xffffffff82930f20) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 mtx_enter_try+0x102 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 pool_get+0xbf sys/kern/subr_pool.c:578 #4 m_copym+0x174 m_get sys/kern/uipc_mbuf.c:250 [inline] #4 m_copym+0x174 sys/kern/uipc_mbuf.c:667 #5 ether_resolve+0x49f sys/net/if_ethersubr.c:238 #6 ether_output+0x47 ether_encap sys/net/if_ethersubr.c:321 [inline] #6 ether_output+0x47 sys/net/if_ethersubr.c:350 #7 ip_output+0x12a2 sys/netinet/ip_output.c:509 #8 udp_output+0x5af sys/netinet/udp_usrreq.c:1017 #9 sosend+0x671 sys/kern/uipc_socket.c:555 #10 sendit+0x52b sys/kern/uipc_syscalls.c:657 #11 sys_sendto+0x80 sys/kern/uipc_syscalls.c:522 #12 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #12 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #13 Xsyscall+0x128 CPU 1: exclusive mutex &uvm.pageqlock r = 0 (0xffffffff8290c390) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 mtx_enter_try+0x102 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 uvm_km_pgremove+0xac sys/uvm/uvm_km.c:262 #4 uvm_unmap_kill_entry+0x1a1 sys/uvm/uvm_map.c:2163 #5 uvm_unmap_remove+0x398 sys/uvm/uvm_map.c:2231 #6 uvm_unmap+0x85 vm_map_unlock_ln sys/uvm/uvm_map.c:5481 [inline] #6 uvm_unmap+0x85 sys/uvm/uvm_map.c:2041 #7 uvm_uarea_free+0x36 sys/uvm/uvm_glue.c:287 #8 reaper+0x156 sys/kern/kern_exit.c:445 #9 proc_trampoline+0x1c Process 5042 (syz-executor.1) thread 0xffff800020e03288 (58155) exclusive rwlock netlock r = 0 (0xffffffff82759528) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 solock+0x5a sys/kern/uipc_socket2.c:282 #2 sosend+0x559 sys/kern/uipc_socket.c:543 #3 sendit+0x52b sys/kern/uipc_syscalls.c:657 #4 sys_sendto+0x80 sys/kern/uipc_syscalls.c:522 #5 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #5 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #6 Xsyscall+0x128 Process 10371 (reaper) thread 0xffff800020d89860 (307929) exclusive rwlock kmmaplk r = 0 (0xffffffff827cc300) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 rw_enter+0x453 sys/kern/kern_rwlock.c:311 #2 vm_map_lock_ln+0x111 sys/uvm/uvm_map.c:5445 #3 uvm_unmap+0x6b sys/uvm/uvm_map.c:2040 #4 uvm_uarea_free+0x36 sys/uvm/uvm_glue.c:287 #5 reaper+0x156 sys/kern/kern_exit.c:445 #6 proc_trampoline+0x1c exclusive kernel_lock &kernel_lock r = 0 (0xffffffff828c0930) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 reaper+0x14e sys/kern/kern_exit.c:444 #2 proc_trampoline+0x1c exclusive mutex &uvm.pageqlock r = 0 (0xffffffff8290c390) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 mtx_enter_try+0x102 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 uvm_km_pgremove+0xac sys/uvm/uvm_km.c:262 #4 uvm_unmap_kill_entry+0x1a1 sys/uvm/uvm_map.c:2163 #5 uvm_unmap_remove+0x398 sys/uvm/uvm_map.c:2231 #6 uvm_unmap+0x85 vm_map_unlock_ln sys/uvm/uvm_map.c:5481 [inline] #6 uvm_unmap+0x85 sys/uvm/uvm_map.c:2041 #7 uvm_uarea_free+0x36 sys/uvm/uvm_glue.c:287 #8 reaper+0x156 sys/kern/kern_exit.c:445 #9 proc_trampoline+0x1c ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9505 6433K 6819K 78643K 10800 0 pcb 13 8K 8K 78643K 55 0 rtable 111 12K 15K 78643K 319 0 ifaddr 63 13K 13K 78643K 97 0 counters 43 33K 34K 78643K 49 0 ioctlops 0 0K 4K 78643K 1517 0 iov 0 0K 16K 78643K 18 0 mount 1 1K 1K 78643K 1 0 vnodes 1219 77K 77K 78643K 1311 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 4 0 VM map 2 1K 1K 78643K 2 0 sem 12 1K 1K 78643K 34 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 5 13K 25K 78643K 269 0 sigio 0 0K 0K 78643K 4 0 proc 61 63K 95K 78643K 513 0 subproc 32 2K 2K 78643K 51 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 40 0 in_multi 40 2K 2K 78643K 80 0 ether_multi 1 0K 0K 78643K 8 0 mrt 0 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 43 201K 201K 78643K 43 0 exec 0 0K 1K 78643K 251 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 172 27K 40K 78643K 1787 0 UVM aobj 14 2K 2K 78643K 14 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 33 0 NDP 10 0K 0K 78643K 21 0 temp 96 3859K 3926K 78643K 4578 0 kqueue 3 4K 4K 78643K 3 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 arp 64 8 0 2 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 25 0 23 1 0 1 1 0 8 0 rtentry 112 59 0 15 2 0 2 2 0 8 0 unpcb 120 129 0 115 1 0 1 1 0 8 0 syncache 264 8 0 8 2 1 1 1 0 8 1 tcpqe 32 64 0 64 1 1 0 1 0 8 0 tcpcb 544 105 0 65 4 1 3 3 0 8 0 inpcb 296 266 0 257 3 1 2 2 0 8 1 nd6 48 12 0 6 1 0 1 1 0 8 0 pkpcb 40 2 0 0 1 0 1 1 0 8 0 ppxss 1136 1 0 1 1 0 1 1 0 8 1 pffrag 232 6 0 2 2 1 1 1 0 482 0 pffrnode 88 6 0 2 2 1 1 1 0 8 0 pffrent 40 74 0 50 2 1 1 1 0 8 0 pfosfp 40 846 0 423 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfrktable 1344 18 0 18 1 1 0 1 0 8 0 pfstitem 24 11 0 2 1 0 1 1 0 8 0 pfstkey 112 11 0 2 1 0 1 1 0 8 0 pfstate 328 11 0 2 1 0 1 1 0 8 0 pfrule 1360 27 0 19 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 240 0 51 13 1 12 13 0 8 0 art_table 32 241 0 51 2 0 2 2 0 8 0 art_node 16 58 0 18 1 0 1 1 0 8 0 sysvmsgpl 40 10 0 5 1 0 1 1 0 8 0 semapl 112 32 0 22 1 0 1 1 0 8 0 shmpl 112 11 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1722 0 318 89 1 88 89 0 8 0 ffsino 272 1722 0 318 94 0 94 94 0 8 0 nchpl 144 2415 0 816 60 0 60 60 0 8 0 uvmvnodes 72 1829 0 0 34 0 34 34 0 8 0 vnodes 208 1829 0 0 97 0 97 97 0 8 0 namei 1024 6711 0 6711 1 0 1 1 0 8 1 percpumem 16 35 0 3 1 0 1 1 0 8 0 vmpool 560 2 0 2 1 0 1 1 0 8 1 pfiaddrpl 120 6 0 6 1 1 0 1 0 8 0 scsiplug 64 2 0 2 1 0 1 1 0 8 1 scxspl 192 7199 0 7199 8 3 5 7 0 8 5 plimitpl 152 30 0 22 1 0 1 1 0 8 0 sigapl 424 482 0 450 4 0 4 4 0 8 0 futexpl 56 4739 0 4737 1 0 1 1 0 8 0 knotepl 112 74 0 54 1 0 1 1 0 8 0 kqueuepl 144 25 0 22 1 0 1 1 0 8 0 pipepl 304 111 0 100 2 0 2 2 0 8 0 fdescpl 496 466 0 450 3 0 3 3 0 8 0 filepl 152 2597 0 2488 5 0 5 5 0 8 0 lockfpl 104 41 0 40 1 0 1 1 0 8 0 lockfspl 48 16 0 15 1 0 1 1 0 8 0 sessionpl 112 19 0 8 1 0 1 1 0 8 0 pgrppl 48 23 0 12 1 0 1 1 0 8 0 ucredpl 96 195 0 185 1 0 1 1 0 8 0 zombiepl 144 450 0 449 1 0 1 1 0 8 0 processpl 992 482 0 449 5 0 5 5 0 8 0 procpl 624 929 0 886 4 0 4 4 0 8 0 sosppl 128 1 0 1 1 0 1 1 0 8 1 sockpl 400 422 0 395 4 0 4 4 0 8 1 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 5 0 0 1 0 1 1 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 226 0 0 28 0 28 28 0 8 0 mtagpl 96 12 0 0 1 0 1 1 0 8 0 mbufpl 256 244 0 0 14 0 14 14 0 8 0 mbufpl: pool(0xffffffff82930f10:mbufpl): free list modified: page 0xfffffd8069336000; item ordinal 0; addr 0xfffffd8069336100 (p 0xfffffd8069335000); offset 0x0=0x0 pool(mbufpl): free list modified: page 0xfffffd8069336000; item ordinal 0; addr 0xfffffd8069336100 (p 0xfffffd8069335000); offset 0x0=0x0 mbufpl: pool(0xffffffff82930f10:mbufpl): page inconsistency: page 0xfffffd8069336000; item ordinal 1; addr 0x306be88f61ee3ff bufpl 280 3972 0 128 275 0 275 275 0 8 0 anonpl 16 66101 0 48433 81 3 78 80 0 124 5 amapchunkpl 152 2425 0 2122 13 1 12 13 0 158 0 amappl16 192 2061 0 1219 54 5 49 54 0 8 6 amappl15 184 18 0 15 1 0 1 1 0 8 0 amappl14 176 3 0 1 1 0 1 1 0 8 0 amappl13 168 147 0 142 1 0 1 1 0 8 0 amappl12 160 136 0 129 1 0 1 1 0 8 0 amappl11 152 62 0 45 1 0 1 1 0 8 0 amappl10 144 17 0 14 1 0 1 1 0 8 0 amappl9 136 472 0 469 1 0 1 1 0 8 0 amappl8 128 484 0 437 2 0 2 2 0 8 0 amappl7 120 123 0 110 1 0 1 1 0 8 0 amappl6 112 32 0 24 1 0 1 1 0 8 0 amappl5 104 364 0 344 1 0 1 1 0 8 0 amappl4 96 501 0 475 1 0 1 1 0 8 0 amappl3 88 120 0 111 1 0 1 1 0 8 0 amappl2 80 2820 0 2744 2 0 2 2 0 8 0 amappl1 72 22434 0 21954 22 12 10 18 0 8 0 amappl 80 1236 0 1150 2 0 2 2 0 84 0 dma4096 4096 1 0 1 1 1 0 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 64 13 0 0 1 0 1 1 0 8 0 uaddrrnd 24 468 0 451 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 468 0 451 1 0 1 1 0 8 0 vmmpekpl 168 7553 0 7515 2 0 2 2 0 8 0 vmmpepl 168 66994 0 64811 126 9 117 124 0 357 22 vmsppl 368 467 0 451 2 0 2 2 0 8 0 pdppl 4096 943 0 902 6 0 6 6 0 8 0 pvpl 32 210096 0 189010 190 2 188 190 0 265 17 pmappl 232 467 0 451 3 1 2 2 0 8 1 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 271 0 6 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffffffff826fbff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352 x86_ipi_handler() at x86_ipi_handler+0xc6 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 db_enter_ddb() at db_enter_ddb+0x406 sys/arch/amd64/amd64/db_interface.c:306 db_ktrap(1,0,ffff8000222f23d0) at db_ktrap+0x199 sys/arch/amd64/amd64/db_interface.c:137 kerntrap(ffff8000222f23d0) at kerntrap+0x13a sys/arch/amd64/amd64/trap.c:293 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff8249d2cc) at panic+0x164 sys/kern/subr_prf.c:218 pool_do_get(ffffffff82930f10,2,ffff8000222f2648) at pool_do_get+0x439 sys/kern/subr_pool.c:738 pool_get(ffffffff82930f10,2) at pool_get+0xeb sys/kern/subr_pool.c:581 m_copym(fffffd8069334300,0,3b9aca00,2) at m_copym+0x174 m_get sys/kern/uipc_mbuf.c:250 [inline] m_copym(fffffd8069334300,0,3b9aca00,2) at m_copym+0x174 sys/kern/uipc_mbuf.c:667 ether_resolve(ffff80000017c2a8,fffffd8069334300,fffffd806f65f520,fffffd806f380150,ffff8000222f27e8) at ether_resolve+0x49f sys/net/if_ethersubr.c:238 ether_output(ffff80000017c2a8,fffffd8069334300,fffffd806f65f520,fffffd806f380150) at ether_output+0x47 ether_encap sys/net/if_ethersubr.c:321 [inline] ether_output(ffff80000017c2a8,fffffd8069334300,fffffd806f65f520,fffffd806f380150) at ether_output+0x47 sys/net/if_ethersubr.c:350 end trace frame: 0xffff8000222f2950, count: 0 ddb{0}> trace x86_ipi_db(ffffffff826fbff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352 x86_ipi_handler() at x86_ipi_handler+0xc6 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 db_enter_ddb() at db_enter_ddb+0x406 sys/arch/amd64/amd64/db_interface.c:306 db_ktrap(1,0,ffff8000222f23d0) at db_ktrap+0x199 sys/arch/amd64/amd64/db_interface.c:137 kerntrap(ffff8000222f23d0) at kerntrap+0x13a sys/arch/amd64/amd64/trap.c:293 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff8249d2cc) at panic+0x164 sys/kern/subr_prf.c:218 pool_do_get(ffffffff82930f10,2,ffff8000222f2648) at pool_do_get+0x439 sys/kern/subr_pool.c:738 pool_get(ffffffff82930f10,2) at pool_get+0xeb sys/kern/subr_pool.c:581 m_copym(fffffd8069334300,0,3b9aca00,2) at m_copym+0x174 m_get sys/kern/uipc_mbuf.c:250 [inline] m_copym(fffffd8069334300,0,3b9aca00,2) at m_copym+0x174 sys/kern/uipc_mbuf.c:667 ether_resolve(ffff80000017c2a8,fffffd8069334300,fffffd806f65f520,fffffd806f380150,ffff8000222f27e8) at ether_resolve+0x49f sys/net/if_ethersubr.c:238 ether_output(ffff80000017c2a8,fffffd8069334300,fffffd806f65f520,fffffd806f380150) at ether_output+0x47 ether_encap sys/net/if_ethersubr.c:321 [inline] ether_output(ffff80000017c2a8,fffffd8069334300,fffffd806f65f520,fffffd806f380150) at ether_output+0x47 sys/net/if_ethersubr.c:350 ip_output(fffffd806d73ae00,0,fffffd806f65f510,0,0,fffffd806f65f4a0) at ip_output+0x12a2 sys/netinet/ip_output.c:509 udp_output(fffffd806f65f4a0,fffffd806d73ae00,0,0) at udp_output+0x5af sys/netinet/udp_usrreq.c:1017 sosend(fffffd806c873970,0,ffff8000222f2b10,0,0,0) at sosend+0x671 sys/kern/uipc_socket.c:555 sendit(ffff800020e03288,d,ffff8000222f2bf0,0,ffff8000222f2cd0) at sendit+0x52b sys/kern/uipc_syscalls.c:657 sys_sendto(ffff800020e03288,ffff8000222f2c88,ffff8000222f2cd0) at sys_sendto+0x80 sys/kern/uipc_syscalls.c:522 syscall(ffff8000222f2d50) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000222f2d50) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd2ce887f870, count: -21 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:398 panic(ffffffff8240a73d) at panic+0x164 sys/kern/subr_prf.c:218 __assert(ffffffff82474f23,ffffffff82480046,a8e,ffffffff8243b111) at __assert+0x2b sys/kern/subr_prf.c:162 uvm_map_teardown(fffffd807efff8a0) at uvm_map_teardown+0x2ce sys/uvm/uvm_map.c:2704 uvmspace_free(fffffd807efff8a0) at uvmspace_free+0x86 sys/uvm/uvm_map.c:3646 uvm_exit(ffff800020ea3380) at uvm_exit+0x29 sys/uvm/uvm_glue.c:297 reaper(ffff800020d89860) at reaper+0x189 sys/kern/kern_exit.c:456 end trace frame: 0x0, count: 8 ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff8240a73d) at panic+0x164 sys/kern/subr_prf.c:218 __assert(ffffffff82474f23,ffffffff82480046,a8e,ffffffff8243b111) at __assert+0x2b sys/kern/subr_prf.c:162 uvm_map_teardown(fffffd807efff8a0) at uvm_map_teardown+0x2ce sys/uvm/uvm_map.c:2704 uvmspace_free(fffffd807efff8a0) at uvmspace_free+0x86 sys/uvm/uvm_map.c:3646 uvm_exit(ffff800020ea3380) at uvm_exit+0x29 sys/uvm/uvm_glue.c:297 reaper(ffff800020d89860) at reaper+0x189 sys/kern/kern_exit.c:456 end trace frame: 0x0, count: -7