panic(ffffffff821feceb) at panic+0x15c sys/kern/subr_prf.c:207 pool_cache_get(ffffffff82668438) at pool_cache_get+0x323 pool_cache_item_magic_check sys/kern/subr_pool.c:1781 [inline] pool_cache_get(ffffffff82668438) at pool_cache_get+0x323 sys/kern/subr_pool.c:1884 pool_get(ffffffff82668438,2) at pool_get+0x91 sys/kern/subr_pool.c:572 m_gethdr(2,2) at m_gethdr+0x4c sys/kern/uipc_mbuf.c:283 tcp_output(ffff800000a0aaa0) at tcp_output+0x14e6 tcp_input(ffff800020e39148,ffff800020e39154,6,2) at tcp_input+0x2356 ip_deliver(ffff800020e39148,ffff800020e39154,6,2) at ip_deliver+0x353 sys/netinet/ip_input.c:668 ip_ours(ffff800020e39148,ffff800020e39154,ffff800020e18000,0) at ip_ours+0x412 ip_input_if(ffff800020e39148,ffff800020e39154,4,0,ffff80000017b2a8) at ip_input_if+0x6ce ipv4_input(ffff80000017b2a8,fffffd8064de3000) at ipv4_input+0x48 sys/netinet/ip_input.c:215 ether_input(ffff80000017b2a8,fffffd8064de3000,0) at ether_input+0x345 sys/net/if_ethersubr.c:461 if_input_process(ffff80000017b2a8,ffff800020e39278) at if_input_process+0xfb if_ih_input sys/net/if.c:909 [inline] if_input_process(ffff80000017b2a8,ffff800020e39278) at if_input_process+0xfb sys/net/if.c:943 ifiq_process(ffff80000017b6a0) at ifiq_process+0x80 sys/net/ifq.c:646 end trace frame: 0xffff800020e39330, 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 pool_cache_item_magic_check: mbufpl cpu free list modified: item addr 0xfffffd8064db0e00+16 0x0!=0xfcae1d41d4f3b44a ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff821feceb) at panic+0x15c sys/kern/subr_prf.c:207 pool_cache_get(ffffffff82668438) at pool_cache_get+0x323 pool_cache_item_magic_check sys/kern/subr_pool.c:1781 [inline] pool_cache_get(ffffffff82668438) at pool_cache_get+0x323 sys/kern/subr_pool.c:1884 pool_get(ffffffff82668438,2) at pool_get+0x91 sys/kern/subr_pool.c:572 m_gethdr(2,2) at m_gethdr+0x4c sys/kern/uipc_mbuf.c:283 tcp_output(ffff800000a0aaa0) at tcp_output+0x14e6 tcp_input(ffff800020e39148,ffff800020e39154,6,2) at tcp_input+0x2356 ip_deliver(ffff800020e39148,ffff800020e39154,6,2) at ip_deliver+0x353 sys/netinet/ip_input.c:668 ip_ours(ffff800020e39148,ffff800020e39154,ffff800020e18000,0) at ip_ours+0x412 ip_input_if(ffff800020e39148,ffff800020e39154,4,0,ffff80000017b2a8) at ip_input_if+0x6ce ipv4_input(ffff80000017b2a8,fffffd8064de3000) at ipv4_input+0x48 sys/netinet/ip_input.c:215 ether_input(ffff80000017b2a8,fffffd8064de3000,0) at ether_input+0x345 sys/net/if_ethersubr.c:461 if_input_process(ffff80000017b2a8,ffff800020e39278) at if_input_process+0xfb if_ih_input sys/net/if.c:909 [inline] if_input_process(ffff80000017b2a8,ffff800020e39278) at if_input_process+0xfb sys/net/if.c:943 ifiq_process(ffff80000017b6a0) at ifiq_process+0x80 sys/net/ifq.c:646 taskq_thread(ffff80000002b080) at taskq_thread+0x9c sys/kern/kern_task.c:369 end trace frame: 0x0, count: -15 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff800020e38a40 rbx 0xffff800020e38af0 rdx 0x8b rcx 0x2 rax 0x1 r8 0xffffffff81508a8f kprintf+0x16f r9 0x1 r10 0x2 r11 0xae8a0c9ef89c2346 r12 0x3000000008 r13 0xffff800020e38a50 r14 0x100 r15 0x1 rip 0xffffffff816a7258 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800020e38a30 ss 0 db_enter+0x18: addq $0x8,%rsp ddb{1}> show proc PROC (softnet) pid=250785 stat=onproc flags process=14000 proc=200 pri=32, usrpri=51, nice=20 forw=0xffffffffffffffff, list=0xffff800020e18270,0xffff800020e184f0 process=0xffff800020e1a7b0 user=0xffff800020e34000, vmspace=0xffffffff8267f020 estcpu=1, cpticks=3, pctcpu=0.22 user=0, sys=3, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 40648 480042 0 0 3 0x14200 bored sosplice 15710 366522 0 0 3 0x14200 acct acct 61475 166418 37256 0 2 0x2 syz-executor.1 72404 414976 37256 0 2 0x2 syz-executor.0 37256 296711 3174 0 3 0x82 thrsleep syz-fuzzer 37256 94625 3174 0 3 0x4000082 nanosleep syz-fuzzer 37256 454771 3174 0 2 0x4000002 syz-fuzzer 37256 214382 3174 0 3 0x4000082 thrsleep syz-fuzzer 37256 271011 3174 0 3 0x4000082 thrsleep syz-fuzzer 37256 102492 3174 0 2 0x4000002 syz-fuzzer 37256 97483 3174 0 3 0x4000082 thrsleep syz-fuzzer 37256 401642 3174 0 3 0x4000082 thrsleep syz-fuzzer 37256 229073 3174 0 3 0x4000082 thrsleep syz-fuzzer 37256 325513 3174 0 3 0x4000082 thrsleep syz-fuzzer 3174 394109 55024 0 3 0x10008a pause ksh 55024 16643 11249 0 7 0x12 sshd 17156 25032 1 0 3 0x100083 ttyin getty 11249 258266 1 0 3 0x80 select sshd 17679 348075 82600 74 3 0x100092 bpf pflogd 82600 54636 1 0 3 0x80 netio pflogd 84534 234987 15440 73 3 0x100090 kqread syslogd 15440 225095 1 0 3 0x100082 netio syslogd 30814 410126 1 77 3 0x100090 poll dhclient 2266 302575 1 0 3 0x80 poll dhclient 67129 68949 0 0 3 0x14200 bored smr 30844 181990 0 0 2 0x14200 zerothread 40 155445 0 0 3 0x14200 aiodoned aiodoned 26008 5599 0 0 3 0x14200 syncer update 87038 441574 0 0 3 0x14200 cleaner cleaner 56219 55742 0 0 3 0x14200 reaper reaper 77585 494876 0 0 3 0x14200 pgdaemon pagedaemon 38225 210087 0 0 3 0x14200 bored crynlk 62784 485618 0 0 3 0x14200 bored crypto 23171 274877 0 0 3 0x40014200 acpi0 acpi0 60494 101053 0 0 3 0x40014200 idle1 *29485 250785 0 0 7 0x14200 softnet 60581 28694 0 0 3 0x14200 bored systqmp 54902 19634 0 0 3 0x14200 bored systq 11556 359699 0 0 3 0x40014200 bored softclock 53293 9093 0 0 3 0x40014200 idle0 1 249777 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks CPU 0: exclusive mutex amappl2 r = 0 (0xffffffff8268e348) #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_put+0x64 sys/kern/subr_pool.c:792 #4 amap_wipeout+0x1bf sys/uvm/uvm_amap.c:486 #5 uvm_unmap_detach+0x163 sys/uvm/uvm_map.c:1586 #6 sys_munmap+0x1af sys/uvm/uvm_mmap.c:538 #7 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #7 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #8 Xsyscall+0x128 Process 55024 (sshd) thread 0xffff800020ed1ae0 (16643) exclusive kernel_lock &kernel_lock r = 2 (0xffffffff82642c58) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 syscall+0x400 mi_syscall sys/sys/syscall_mi.h:93 [inline] #1 syscall+0x400 sys/arch/amd64/amd64/trap.c:570 #2 Xsyscall+0x128 Process 29485 (softnet) thread 0xffff800020e18000 (250785) exclusive rwlock netlock r = 0 (0xffffffff82529e28) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 if_input_process+0x84 sys/net/if.c:941 #2 ifiq_process+0x80 sys/net/ifq.c:646 #3 taskq_thread+0x9c sys/kern/kern_task.c:369 #4 proc_trampoline+0x1c shared rwlock softnet r = 0 (0xffff80000002b0e0) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 taskq_thread+0x8f sys/kern/kern_task.c:368 #2 proc_trampoline+0x1c ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9526 6420K 6808K 78643K 11015 0 pcb 13 8K 8K 78643K 68 0 rtable 107 4K 4K 78643K 316 0 ifaddr 84 16K 16K 78643K 132 0 counters 43 33K 34K 78643K 59 0 ioctlops 0 0K 4K 78643K 1496 0 iov 0 0K 12K 78643K 43 0 mount 1 1K 1K 78643K 1 0 vnodes 1217 77K 77K 78643K 1348 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 6 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 1K 78643K 54 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 4 9K 25K 78643K 319 0 sigio 0 0K 0K 78643K 5 0 proc 62 63K 95K 78643K 459 0 subproc 32 2K 2K 78643K 34 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 29 0 in_multi 67 3K 3K 78643K 103 0 ether_multi 1 0K 0K 78643K 9 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 49 228K 228K 78643K 49 0 exec 0 0K 1K 78643K 222 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 129 104K 104K 78643K 2006 0 UVM aobj 7 2K 2K 78643K 10 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 44 0 NDP 13 0K 0K 78643K 26 0 temp 135 3042K 3106K 78643K 5994 0 kqueue 3 4K 10K 78643K 31 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 33 0 31 1 0 1 1 0 8 0 rtentry 112 57 0 15 2 0 2 2 0 8 0 unpcb 120 237 0 227 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 661 0 661 1 1 0 1 0 8 0 tcpcb 544 123 0 119 1 0 1 1 0 8 0 inpcb 280 356 0 349 2 0 2 2 0 8 1 nd6 48 10 0 5 1 0 1 1 0 8 0 ppxss 1128 3 0 3 2 1 1 1 0 8 1 pfosfp 40 846 0 423 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfstitem 24 37 0 6 1 0 1 1 0 8 0 pfstkey 112 37 0 6 1 0 1 1 0 8 0 pfstate 328 37 0 6 3 0 3 3 0 8 0 pfrule 1360 21 0 15 2 0 2 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 244 0 65 14 0 14 14 0 8 0 art_table 32 246 0 65 2 0 2 2 0 8 0 art_node 16 56 0 18 1 0 1 1 0 8 0 sysvmsgpl 40 4 0 1 1 0 1 1 0 8 0 semupl 112 3 0 3 2 2 0 1 0 8 0 semapl 112 50 0 40 1 0 1 1 0 8 0 shmpl 112 8 0 4 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1957 0 548 90 1 89 89 0 8 0 ffsino 272 1957 0 548 95 0 95 95 0 8 0 nchpl 144 2686 0 1071 61 1 60 61 0 8 0 uvmvnodes 72 2088 0 0 38 0 38 38 0 8 0 vnodes 208 2088 0 0 110 0 110 110 0 8 0 namei 1024 7389 0 7389 2 1 1 1 0 8 1 percpumem 16 40 0 8 1 0 1 1 0 8 0 vcpupl 1984 7 0 0 1 0 1 1 0 8 0 vmpool 560 9 0 2 1 0 1 1 0 8 0 scsiplug 64 1 0 1 1 0 1 1 0 8 1 scxspl 192 8062 0 8062 9 8 1 7 0 8 1 plimitpl 152 43 0 35 1 0 1 1 0 8 0 sigapl 424 536 0 504 4 0 4 4 0 8 0 futexpl 56 4880 0 4880 2 1 1 1 0 8 1 knotepl 112 96 0 77 1 0 1 1 0 8 0 kqueuepl 144 44 0 40 1 0 1 1 0 8 0 pipelkpl 48 116 0 106 1 0 1 1 0 8 0 pipepl 120 232 0 213 1 0 1 1 0 8 0 fdescpl 496 519 0 504 3 0 3 3 0 8 0 filepl 152 3259 0 3158 5 0 5 5 0 8 0 lockfpl 104 643 0 642 1 0 1 1 0 8 0 lockfspl 48 163 0 162 1 0 1 1 0 8 0 sessionpl 112 18 0 7 1 0 1 1 0 8 0 pgrppl 48 18 0 7 1 0 1 1 0 8 0 ucredpl 96 254 0 245 1 0 1 1 0 8 0 zombiepl 144 504 0 504 1 0 1 1 0 8 1 processpl 984 536 0 504 5 0 5 5 0 8 0 procpl 624 1218 0 1177 4 0 4 4 0 8 0 sosppl 128 3 0 3 1 1 0 1 0 8 0 sockpl 400 628 0 609 5 2 3 4 0 8 1 mcl64k 65536 9 0 0 2 0 2 2 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 3 0 0 1 0 1 1 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 mcl2k2 2112 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 175 0 0 21 0 21 21 0 8 0 mtagpl 80 21 0 0 1 0 1 1 0 8 0 mbufpl 256 327 0 0 20 1 19 19 0 8 0 bufpl 280 4260 0 133 295 0 295 295 0 8 0 anonpl 16 60907 0 46640 76 1 75 75 0 124 16 amapchunkpl 152 3020 0 2883 11 1 10 10 0 158 3 amappl16 192 2270 0 1496 49 2 47 48 0 8 8 amappl15 184 1 0 0 1 0 1 1 0 8 0 amappl14 176 28 0 21 1 0 1 1 0 8 0 amappl13 168 169 0 167 1 0 1 1 0 8 0 amappl12 160 15 0 12 1 0 1 1 0 8 0 amappl11 152 54 0 39 1 0 1 1 0 8 0 amappl10 144 166 0 160 1 0 1 1 0 8 0 amappl9 136 377 0 374 1 0 1 1 0 8 0 amappl8 128 347 0 316 2 0 2 2 0 8 0 amappl7 120 260 0 248 1 0 1 1 0 8 0 amappl6 112 27 0 21 1 0 1 1 0 8 0 amappl5 104 439 0 424 1 0 1 1 0 8 0 amappl4 96 625 0 598 1 0 1 1 0 8 0 amappl3 88 106 0 100 1 0 1 1 0 8 0 amappl2 80 3177 0 3112 2 0 2 2 0 8 0 amappl1 72 21463 0 21033 23 13 10 18 0 8 0 amappl 80 1471 0 1426 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 9 0 3 1 0 1 1 0 8 0 uaddrrnd 24 528 0 506 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 528 0 506 1 0 1 1 0 8 0 vmmpekpl 168 8128 0 8096 2 0 2 2 0 8 0 vmmpepl 168 70104 0 68264 117 20 97 105 0 357 6 vmsppl 368 527 0 506 3 0 3 3 0 8 1 pdppl 4096 1064 0 1019 7 0 7 7 0 8 0 pvpl 32 201957 0 184909 175 1 174 174 0 265 32 pmappl 232 527 0 506 3 1 2 2 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 275 0 7 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffffffff824a4ff0) 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 boot(104) at boot panic(ffffffff821feceb) at panic+0x164 sys/kern/subr_prf.c:207 pool_cache_get(ffffffff82668438) at pool_cache_get+0x323 pool_cache_item_magic_check sys/kern/subr_pool.c:1781 [inline] pool_cache_get(ffffffff82668438) at pool_cache_get+0x323 sys/kern/subr_pool.c:1884 pool_get(ffffffff82668438,2) at pool_get+0x91 sys/kern/subr_pool.c:572 m_gethdr(2,2) at m_gethdr+0x4c sys/kern/uipc_mbuf.c:283 tcp_output(ffff800000a0aaa0) at tcp_output+0x14e6 tcp_usrreq(fffffd806eb27648,9,fffffd8064fd4b00,0,0,ffff800020ed1ae0) at tcp_usrreq+0xa55 sosend(fffffd806eb27648,0,ffff800020e8d438,0,0,80) at sosend+0x671 sys/kern/uipc_socket.c:549 dofilewritev(ffff800020ed1ae0,4,ffff800020e8d438,0,ffff800020e8d520) at dofilewritev+0x1b6 sys/kern/sys_generic.c:365 sys_write(ffff800020ed1ae0,ffff800020e8d4d0,ffff800020e8d520) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff800020e8d5a0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020e8d5a0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 end trace frame: 0xffff800020e8d620, count: 0 ddb{0}> trace x86_ipi_db(ffffffff824a4ff0) 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 boot(104) at boot panic(ffffffff821feceb) at panic+0x164 sys/kern/subr_prf.c:207 pool_cache_get(ffffffff82668438) at pool_cache_get+0x323 pool_cache_item_magic_check sys/kern/subr_pool.c:1781 [inline] pool_cache_get(ffffffff82668438) at pool_cache_get+0x323 sys/kern/subr_pool.c:1884 pool_get(ffffffff82668438,2) at pool_get+0x91 sys/kern/subr_pool.c:572 m_gethdr(2,2) at m_gethdr+0x4c sys/kern/uipc_mbuf.c:283 tcp_output(ffff800000a0aaa0) at tcp_output+0x14e6 tcp_usrreq(fffffd806eb27648,9,fffffd8064fd4b00,0,0,ffff800020ed1ae0) at tcp_usrreq+0xa55 sosend(fffffd806eb27648,0,ffff800020e8d438,0,0,80) at sosend+0x671 sys/kern/uipc_socket.c:549 dofilewritev(ffff800020ed1ae0,4,ffff800020e8d438,0,ffff800020e8d520) at dofilewritev+0x1b6 sys/kern/sys_generic.c:365 sys_write(ffff800020ed1ae0,ffff800020e8d4d0,ffff800020e8d520) at sys_write+0x83 sys/kern/sys_generic.c:285 syscall(ffff800020e8d5a0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020e8d5a0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffe1410, count: -15 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(ffffffff821feceb) at panic+0x15c sys/kern/subr_prf.c:207 pool_cache_get(ffffffff82668438) at pool_cache_get+0x323 pool_cache_item_magic_check sys/kern/subr_pool.c:1781 [inline] pool_cache_get(ffffffff82668438) at pool_cache_get+0x323 sys/kern/subr_pool.c:1884 pool_get(ffffffff82668438,2) at pool_get+0x91 sys/kern/subr_pool.c:572 m_gethdr(2,2) at m_gethdr+0x4c sys/kern/uipc_mbuf.c:283 tcp_output(ffff800000a0aaa0) at tcp_output+0x14e6 tcp_input(ffff800020e39148,ffff800020e39154,6,2) at tcp_input+0x2356 ip_deliver(ffff800020e39148,ffff800020e39154,6,2) at ip_deliver+0x353 sys/netinet/ip_input.c:668 ip_ours(ffff800020e39148,ffff800020e39154,ffff800020e18000,0) at ip_ours+0x412 ip_input_if(ffff800020e39148,ffff800020e39154,4,0,ffff80000017b2a8) at ip_input_if+0x6ce ipv4_input(ffff80000017b2a8,fffffd8064de3000) at ipv4_input+0x48 sys/netinet/ip_input.c:215 ether_input(ffff80000017b2a8,fffffd8064de3000,0) at ether_input+0x345 sys/net/if_ethersubr.c:461 if_input_process(ffff80000017b2a8,ffff800020e39278) at if_input_process+0xfb if_ih_input sys/net/if.c:909 [inline] if_input_process(ffff80000017b2a8,ffff800020e39278) at if_input_process+0xfb sys/net/if.c:943 ifiq_process(ffff80000017b6a0) at ifiq_process+0x80 sys/net/ifq.c:646 end trace frame: 0xffff800020e39330, count: 0 ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff821feceb) at panic+0x15c sys/kern/subr_prf.c:207 pool_cache_get(ffffffff82668438) at pool_cache_get+0x323 pool_cache_item_magic_check sys/kern/subr_pool.c:1781 [inline] pool_cache_get(ffffffff82668438) at pool_cache_get+0x323 sys/kern/subr_pool.c:1884 pool_get(ffffffff82668438,2) at pool_get+0x91 sys/kern/subr_pool.c:572 m_gethdr(2,2) at m_gethdr+0x4c sys/kern/uipc_mbuf.c:283 tcp_output(ffff800000a0aaa0) at tcp_output+0x14e6 tcp_input(ffff800020e39148,ffff800020e39154,6,2) at tcp_input+0x2356 ip_deliver(ffff800020e39148,ffff800020e39154,6,2) at ip_deliver+0x353 sys/netinet/ip_input.c:668 ip_ours(ffff800020e39148,ffff800020e39154,ffff800020e18000,0) at ip_ours+0x412 ip_input_if(ffff800020e39148,ffff800020e39154,4,0,ffff80000017b2a8) at ip_input_if+0x6ce ipv4_input(ffff80000017b2a8,fffffd8064de3000) at ipv4_input+0x48 sys/netinet/ip_input.c:215 ether_input(ffff80000017b2a8,fffffd8064de3000,0) at ether_input+0x345 sys/net/if_ethersubr.c:461 if_input_process(ffff80000017b2a8,ffff800020e39278) at if_input_process+0xfb if_ih_input sys/net/if.c:909 [inline] if_input_process(ffff80000017b2a8,ffff800020e39278) at if_input_process+0xfb sys/net/if.c:943 ifiq_process(ffff80000017b6a0) at ifiq_process+0x80 sys/net/ifq.c:646 taskq_thread(ffff80000002b080) at taskq_thread+0x9c sys/kern/kern_task.c:369 end trace frame: 0x0, count: -15