login: panic: pool_cache_item_magic_check: mbufpl cpu free list modified: item addr 0xfffffd806f2e3a00+16 0x0!=0x234120d2992dc3e8 Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 154100 63210 0 0x14000 0x200 0 smr *398715 4845 0 0x14000 0x200 1 softnet db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff8240e744) at panic+0x164 sys/kern/subr_prf.c:218 pool_cache_get(ffffffff828d47c8) at pool_cache_get+0x323 pool_cache_item_magic_check sys/kern/subr_pool.c:1781 [inline] pool_cache_get(ffffffff828d47c8) at pool_cache_get+0x323 sys/kern/subr_pool.c:1884 pool_get(ffffffff828d47c8,2) 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(ffff800000adb030) at tcp_output+0x14e6 tcp_input(ffff800020da9328,ffff800020da9334,6,2) at tcp_input+0x2356 ip_deliver(ffff800020da9328,ffff800020da9334,6,2) at ip_deliver+0x353 sys/netinet/ip_input.c:668 ip_ours(ffff800020da9328,ffff800020da9334,0,0) at ip_ours+0x412 ip_input_if(ffff800020da9328,ffff800020da9334,4,0,ffff80000017c2a8) at ip_input_if+0x6ce ipv4_input(ffff80000017c2a8,fffffd8069620d00) at ipv4_input+0x48 sys/netinet/ip_input.c:215 if_input_process(ffff80000017c2a8,ffff800020da93c8) at if_input_process+0xda sys/net/if.c:832 ifiq_process(ffff80000017c6d8) at ifiq_process+0x80 sys/net/ifq.c:768 taskq_thread(ffff80000002c000) at taskq_thread+0xfa sys/kern/kern_task.c:449 end trace frame: 0x0, count: 1 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 0xfffffd806f2e3a00+16 0x0!=0x234120d2992dc3e8 ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff8240e744) at panic+0x164 sys/kern/subr_prf.c:218 pool_cache_get(ffffffff828d47c8) at pool_cache_get+0x323 pool_cache_item_magic_check sys/kern/subr_pool.c:1781 [inline] pool_cache_get(ffffffff828d47c8) at pool_cache_get+0x323 sys/kern/subr_pool.c:1884 pool_get(ffffffff828d47c8,2) 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(ffff800000adb030) at tcp_output+0x14e6 tcp_input(ffff800020da9328,ffff800020da9334,6,2) at tcp_input+0x2356 ip_deliver(ffff800020da9328,ffff800020da9334,6,2) at ip_deliver+0x353 sys/netinet/ip_input.c:668 ip_ours(ffff800020da9328,ffff800020da9334,0,0) at ip_ours+0x412 ip_input_if(ffff800020da9328,ffff800020da9334,4,0,ffff80000017c2a8) at ip_input_if+0x6ce ipv4_input(ffff80000017c2a8,fffffd8069620d00) at ipv4_input+0x48 sys/netinet/ip_input.c:215 if_input_process(ffff80000017c2a8,ffff800020da93c8) at if_input_process+0xda sys/net/if.c:832 ifiq_process(ffff80000017c6d8) at ifiq_process+0x80 sys/net/ifq.c:768 taskq_thread(ffff80000002c000) at taskq_thread+0xfa sys/kern/kern_task.c:449 end trace frame: 0x0, count: -14 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff800020da8c20 rbx 0xffff800020da8cd0 rdx 0x8b rcx 0x2 rax 0x1 r8 0xffff800020da8be0 r9 0xffffffff8167b47f kprintf+0x16f r10 0x1 r11 0x2ac7bd4400f9a5a5 r12 0x3000000008 r13 0xffff800020da8c30 r14 0x100 r15 0x1 rip 0xffffffff8215e708 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800020da8c10 ss 0 db_enter+0x18: addq $0x8,%rsp ddb{1}> show proc PROC (softnet) pid=398715 stat=onproc flags process=14000 proc=200 pri=32, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff800020d88278,0xffff800020d88c68 process=0xffff800020d8b3b0 user=0xffff800020da4000, vmspace=0xffffffff828d4108 estcpu=0, cpticks=1, pctcpu=1.57 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 70929 231398 25180 0 2 0 syz-executor.1 47775 422015 24384 0 3 0x80 nanosleep syz-executor.0 47775 354790 24384 0 3 0x4000080 netcon syz-executor.0 47775 410399 24384 0 3 0x4000080 fsleep syz-executor.0 25180 176927 90305 0 3 0x82 nanosleep syz-executor.1 24384 213735 90305 0 3 0x82 nanosleep syz-executor.0 90305 308764 85787 0 3 0x82 thrsleep syz-fuzzer 90305 222157 85787 0 3 0x4000082 nanosleep syz-fuzzer 90305 453271 85787 0 3 0x4000082 thrsleep syz-fuzzer 90305 16000 85787 0 3 0x4000082 thrsleep syz-fuzzer 90305 336027 85787 0 3 0x4000082 thrsleep syz-fuzzer 90305 385311 85787 0 3 0x4000082 thrsleep syz-fuzzer 90305 133053 85787 0 3 0x4000082 kqread syz-fuzzer 90305 248799 85787 0 3 0x4000082 nanosleep syz-fuzzer 85787 470641 6638 0 3 0x10008a pause ksh 6638 113802 63192 0 3 0x52 netlock sshd 44318 377257 1 0 3 0x100083 ttyin getty 63192 102016 1 0 3 0x80 select sshd 32440 210709 41445 74 3 0x100092 bpf pflogd 41445 274345 1 0 3 0x80 netio pflogd 45306 96004 44947 73 3 0x100090 kqread syslogd 44947 477779 1 0 3 0x100082 netio syslogd 67157 437931 1 77 3 0x100090 poll dhclient 19278 113919 1 0 3 0x80 poll dhclient 63210 154100 0 0 7 0x14200 smr 96008 421591 0 0 2 0x14200 zerothread 45247 12223 0 0 3 0x14200 aiodoned aiodoned 57447 420523 0 0 3 0x14200 syncer update 24275 485917 0 0 3 0x14200 cleaner cleaner 90067 370502 0 0 3 0x14200 reaper reaper 58306 12462 0 0 3 0x14200 pgdaemon pagedaemon 48106 61293 0 0 3 0x14200 bored crynlk 25739 245327 0 0 3 0x14200 bored crypto 40997 72455 0 0 3 0x40014200 acpi0 acpi0 23872 150876 0 0 3 0x40014200 idle1 * 4845 398715 0 0 7 0x14200 softnet 74233 142721 0 0 3 0x14200 bored systqmp 2135 105761 0 0 3 0x14200 bored systq 42057 398036 0 0 3 0x40014200 bored softclock 49948 244297 0 0 3 0x40014200 idle0 1 399093 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks CPU 0: exclusive sched_lock &sched_lock r = 0 (0xffffffff828eba28) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 wakeup_n+0x37 sys/kern/kern_synch.c:589 #2 uvm_pmr_freepages+0x365 sys/uvm/uvm_pmemrange.c:1269 #3 uvm_km_pgremove_intrsafe+0x86 sys/uvm/uvm_km.c:294 #4 uvm_unmap_kill_entry+0x112 sys/uvm/uvm_map.c:2116 #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 free+0x1fe sys/kern/kern_malloc.c:437 #8 bpf_d_smr+0x30 sys/net/bpf.c:1605 #9 smr_thread+0x296 sys/kern/kern_smr.c:117 #10 proc_trampoline+0x1c exclusive mutex &uvm.fpageqlock r = 0 (0xffffffff82931d48) #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_pmr_freepages+0x126 sys/uvm/uvm_pmemrange.c:1254 #4 uvm_km_pgremove_intrsafe+0x86 sys/uvm/uvm_km.c:294 #5 uvm_unmap_kill_entry+0x112 sys/uvm/uvm_map.c:2116 #6 uvm_unmap_remove+0x398 sys/uvm/uvm_map.c:2231 #7 uvm_unmap+0x85 vm_map_unlock_ln sys/uvm/uvm_map.c:5481 [inline] #7 uvm_unmap+0x85 sys/uvm/uvm_map.c:2041 #8 free+0x1fe sys/kern/kern_malloc.c:437 #9 bpf_d_smr+0x30 sys/net/bpf.c:1605 #10 smr_thread+0x296 sys/kern/kern_smr.c:117 #11 proc_trampoline+0x1c exclusive mutex &map->mtx r = 0 (0xffffffff828c1e30) #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 vm_map_lock_ln+0x60 sys/uvm/uvm_map.c:5454 #4 uvm_unmap+0x6b sys/uvm/uvm_map.c:2040 #5 free+0x1fe sys/kern/kern_malloc.c:437 #6 bpf_d_smr+0x30 sys/net/bpf.c:1605 #7 smr_thread+0x296 sys/kern/kern_smr.c:117 #8 proc_trampoline+0x1c Process 63210 (smr) thread 0xffff800020dd69e8 (154100) shared rwlock smr r = 0 (0xffffffff82777e10) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 smr_thread+0x242 sys/kern/kern_smr.c:117 #2 proc_trampoline+0x1c Process 4845 (softnet) thread 0xffff800020d88000 (398715) exclusive rwlock netlock r = 0 (0xffffffff82780fa0) #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+0xa1 sys/net/if.c:832 #2 ifiq_process+0x80 sys/net/ifq.c:768 #3 taskq_thread+0xfa sys/kern/kern_task.c:449 #4 proc_trampoline+0x1c shared rwlock softnet r = 0 (0xffff80000002c070) #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+0xdf sys/kern/kern_task.c:445 #2 proc_trampoline+0x1c ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9487 6529K 6666K 78643K 10623 0 pcb 13 8K 8K 78643K 21 0 rtable 109 3K 3K 78643K 205 0 ifaddr 52 12K 12K 78643K 55 0 sysctl 2 0K 0K 78643K 2 0 counters 43 33K 33K 78643K 43 0 ioctlops 0 0K 4K 78643K 1479 0 mount 1 1K 1K 78643K 1 0 vnodes 1218 77K 77K 78643K 1238 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 6 0K 0K 78643K 8 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 6 17K 25K 78643K 82 0 proc 60 63K 95K 78643K 439 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 6 0 in_multi 44 2K 2K 78643K 50 0 ether_multi 1 0K 0K 78643K 3 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 209 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 151 25K 25K 78643K 1228 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 0 0K 0K 78643K 4 0 NDP 7 0K 0K 78643K 11 0 temp 82 3862K 3926K 78643K 2131 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 6 0 0 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 88 21 0 19 1 0 1 1 0 8 0 rtentry 112 47 0 1 2 0 2 2 0 8 0 unpcb 120 37 0 27 1 0 1 1 0 8 0 syncache 272 6 0 6 2 1 1 1 0 8 1 tcpqe 32 1199 0 1199 1 1 0 1 0 8 0 tcpcb 592 55 0 40 2 0 2 2 0 8 0 inpcb 296 153 0 144 2 0 2 2 0 8 1 nd6 48 7 0 0 1 0 1 1 0 8 0 pffrag 232 18 0 18 1 0 1 1 0 482 1 pffrnode 88 18 0 18 1 0 1 1 0 8 1 pffrent 40 36 0 36 1 0 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 20 0 1 1 0 1 1 0 8 0 pfstkey 112 20 0 1 1 0 1 1 0 8 0 pfstate 328 20 0 1 2 0 2 2 0 8 0 pfrule 1360 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 188 0 0 12 0 12 12 0 8 0 art_table 32 189 0 0 2 0 2 2 0 8 0 art_node 16 46 0 5 1 0 1 1 0 8 0 sysvmsgpl 40 20 0 0 1 0 1 1 0 8 0 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 112 4 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1482 0 79 88 0 88 88 0 8 0 ffsino 272 1482 0 79 95 1 94 94 0 8 0 nchpl 144 1763 0 156 60 0 60 60 0 8 0 uvmvnodes 72 1536 0 0 28 0 28 28 0 8 0 vnodes 208 1536 0 0 81 0 81 81 0 8 0 namei 1024 4743 0 4743 2 1 1 1 0 8 1 percpumem 16 32 0 0 1 0 1 1 0 8 0 scxspl 200 5154 0 5154 8 2 6 7 0 8 6 plimitpl 152 19 0 11 1 0 1 1 0 8 0 sigapl 424 297 0 265 4 0 4 4 0 8 0 futexpl 56 729 0 728 1 0 1 1 0 8 0 knotepl 112 62 0 42 1 0 1 1 0 8 0 kqueuepl 152 23 0 20 1 0 1 1 0 8 0 pipepl 304 80 0 69 2 0 2 2 0 8 1 fdescpl 496 282 0 265 3 0 3 3 0 8 0 filepl 152 1497 0 1389 6 1 5 5 0 8 0 lockfpl 104 18 0 17 1 0 1 1 0 8 0 lockfspl 48 6 0 5 1 0 1 1 0 8 0 sessionpl 120 18 0 7 1 0 1 1 0 8 0 pgrppl 48 18 0 7 1 0 1 1 0 8 0 ucredpl 96 133 0 124 1 0 1 1 0 8 0 zombiepl 144 265 0 265 2 1 1 1 0 8 1 processpl 1008 297 0 265 6 1 5 5 0 8 0 procpl 632 421 0 380 5 1 4 4 0 8 0 sockpl 400 211 0 190 4 1 3 3 0 8 0 mcl64k 65536 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 5 0 0 1 0 1 1 0 8 0 mcl2k 2048 225 0 0 28 0 28 28 0 8 0 mtagpl 96 5 0 0 1 0 1 1 0 8 0 mbufpl 256 261 0 0 16 0 16 16 0 8 0 bufpl 280 3358 0 127 231 0 231 231 0 8 0 anonpl 16 43378 0 25983 71 1 70 70 0 124 0 amapchunkpl 152 1496 0 1186 15 0 15 15 0 158 0 amappl16 192 1094 0 303 40 0 40 40 0 8 0 amappl15 184 32 0 28 1 0 1 1 0 8 0 amappl14 176 26 0 23 1 0 1 1 0 8 0 amappl13 168 28 0 25 1 0 1 1 0 8 0 amappl12 160 25 0 18 1 0 1 1 0 8 0 amappl11 152 78 0 60 1 0 1 1 0 8 0 amappl10 144 18 0 13 1 0 1 1 0 8 0 amappl9 136 359 0 358 1 0 1 1 0 8 0 amappl8 128 347 0 313 2 0 2 2 0 8 0 amappl7 120 116 0 105 1 0 1 1 0 8 0 amappl6 112 33 0 26 1 0 1 1 0 8 0 amappl5 104 169 0 153 1 0 1 1 0 8 0 amappl4 96 508 0 479 1 0 1 1 0 8 0 amappl3 88 142 0 132 1 0 1 1 0 8 0 amappl2 80 1336 0 1265 2 0 2 2 0 8 0 amappl1 72 16535 0 16079 23 12 11 18 0 8 1 amappl 80 714 0 638 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 2 0 0 1 0 1 1 0 8 0 uaddrrnd 24 282 0 265 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 282 0 265 1 0 1 1 0 8 0 vmmpekpl 168 6310 0 6273 3 1 2 2 0 8 0 vmmpepl 168 42152 0 40075 124 9 115 115 0 357 24 vmsppl 368 281 0 265 2 0 2 2 0 8 0 pdppl 4096 571 0 530 7 1 6 6 0 8 0 pvpl 32 149477 0 128851 170 0 170 170 0 265 3 pmappl 232 281 0 265 2 0 2 2 0 8 1 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 267 0 8 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffffffff82738ff0) 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 __mp_lock(ffffffff8293cd60) at __mp_lock+0x12e __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff8293cd60) at __mp_lock+0x12e sys/kern/kern_lock.c:147 intr_handler(ffff800020defd60,ffff800000256c80) at intr_handler+0x5e sys/arch/amd64/amd64/intr.c:532 Xintr_ioapic_edge20_untramp() at Xintr_ioapic_edge20_untramp+0x19f msleep(ffffffff82933bdc,ffffffff82777de0,4,ffffffff8243afd1,0) at msleep+0x246 smr_thread(ffff800020dd69e8) at smr_thread+0xeb sys/kern/kern_smr.c:96 end trace frame: 0x0, count: 7 ddb{0}> trace x86_ipi_db(ffffffff82738ff0) 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 __mp_lock(ffffffff8293cd60) at __mp_lock+0x12e __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff8293cd60) at __mp_lock+0x12e sys/kern/kern_lock.c:147 intr_handler(ffff800020defd60,ffff800000256c80) at intr_handler+0x5e sys/arch/amd64/amd64/intr.c:532 Xintr_ioapic_edge20_untramp() at Xintr_ioapic_edge20_untramp+0x19f msleep(ffffffff82933bdc,ffffffff82777de0,4,ffffffff8243afd1,0) at msleep+0x246 smr_thread(ffff800020dd69e8) at smr_thread+0xeb sys/kern/kern_smr.c:96 end trace frame: 0x0, count: -8 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(ffffffff8240e744) at panic+0x164 sys/kern/subr_prf.c:218 pool_cache_get(ffffffff828d47c8) at pool_cache_get+0x323 pool_cache_item_magic_check sys/kern/subr_pool.c:1781 [inline] pool_cache_get(ffffffff828d47c8) at pool_cache_get+0x323 sys/kern/subr_pool.c:1884 pool_get(ffffffff828d47c8,2) 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(ffff800000adb030) at tcp_output+0x14e6 tcp_input(ffff800020da9328,ffff800020da9334,6,2) at tcp_input+0x2356 ip_deliver(ffff800020da9328,ffff800020da9334,6,2) at ip_deliver+0x353 sys/netinet/ip_input.c:668 ip_ours(ffff800020da9328,ffff800020da9334,0,0) at ip_ours+0x412 ip_input_if(ffff800020da9328,ffff800020da9334,4,0,ffff80000017c2a8) at ip_input_if+0x6ce ipv4_input(ffff80000017c2a8,fffffd8069620d00) at ipv4_input+0x48 sys/netinet/ip_input.c:215 if_input_process(ffff80000017c2a8,ffff800020da93c8) at if_input_process+0xda sys/net/if.c:832 ifiq_process(ffff80000017c6d8) at ifiq_process+0x80 sys/net/ifq.c:768 taskq_thread(ffff80000002c000) at taskq_thread+0xfa sys/kern/kern_task.c:449 end trace frame: 0x0, count: 1 ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff8240e744) at panic+0x164 sys/kern/subr_prf.c:218 pool_cache_get(ffffffff828d47c8) at pool_cache_get+0x323 pool_cache_item_magic_check sys/kern/subr_pool.c:1781 [inline] pool_cache_get(ffffffff828d47c8) at pool_cache_get+0x323 sys/kern/subr_pool.c:1884 pool_get(ffffffff828d47c8,2) 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(ffff800000adb030) at tcp_output+0x14e6 tcp_input(ffff800020da9328,ffff800020da9334,6,2) at tcp_input+0x2356 ip_deliver(ffff800020da9328,ffff800020da9334,6,2) at ip_deliver+0x353 sys/netinet/ip_input.c:668 ip_ours(ffff800020da9328,ffff800020da9334,0,0) at ip_ours+0x412 ip_input_if(ffff800020da9328,ffff800020da9334,4,0,ffff80000017c2a8) at ip_input_if+0x6ce ipv4_input(ffff80000017c2a8,fffffd8069620d00) at ipv4_input+0x48 sys/netinet/ip_input.c:215 if_input_process(ffff80000017c2a8,ffff800020da93c8) at if_input_process+0xda sys/net/if.c:832 ifiq_process(ffff80000017c6d8) at ifiq_process+0x80 sys/net/ifq.c:768 taskq_thread(ffff80000002c000) at taskq_thread+0xfa sys/kern/kern_task.c:449 end trace frame: 0x0, count: -14