panic: pool_do_get: mbufpl free list modified: page 0xfffffd806d737000; item addr 0xfffffd806d737300; offset 0x0=0x0 != 0x5cdbb6f8b3a36b3b Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 225874 64548 77 0x100010 0x80 0 dhclient 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,ffff800020ed7488) 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_get(2,3) at m_get+0x4c sys/kern/uipc_mbuf.c:250 sbappendaddr(fffffd806f662190,fffffd806f662218,ffffffff8257f398,fffffd806d6d7e00,0) at sbappendaddr+0x2e9 sys/kern/uipc_socket2.c:804 rtm_sendup(fffffd806f662190,fffffd806d6d7e00,0) at rtm_sendup+0xef sys/net/rtsock.c:594 route_input(fffffd806d6d7e00,0,2) at route_input+0x489 sys/net/rtsock.c:572 rtm_addr(d,ffff800000aa0d00) at rtm_addr+0x10b sys/net/rtsock.c:1751 rt_ifa_del(ffff800000aa0d00,200404,ffff800000aa0d58,0) at rt_ifa_del+0x3ed sys/net/route.c:1194 rt_ifa_dellocal(ffff800000aa0d00) at rt_ifa_dellocal+0x149 sys/net/route.c:1292 in_purgeaddr(ffff800000aa0d00) at in_purgeaddr+0x12a sys/netinet/in.c:755 in_ifdetach(ffff800000ac4000) at in_ifdetach+0x74 sys/netinet/in.c:971 if_detach(ffff800000ac4000) at if_detach+0x140 sys/net/if.c:1039 end trace frame: 0xffff800020ed7ac0, 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_do_get: mbufpl free list modified: page 0xfffffd806d737000; item addr 0xfffffd806d737300; offset 0x0=0x0 != 0x5cdbb6f8b3a36b3b ddb{1}> trace 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,ffff800020ed7488) 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_get(2,3) at m_get+0x4c sys/kern/uipc_mbuf.c:250 sbappendaddr(fffffd806f662190,fffffd806f662218,ffffffff8257f398,fffffd806d6d7e00,0) at sbappendaddr+0x2e9 sys/kern/uipc_socket2.c:804 rtm_sendup(fffffd806f662190,fffffd806d6d7e00,0) at rtm_sendup+0xef sys/net/rtsock.c:594 route_input(fffffd806d6d7e00,0,2) at route_input+0x489 sys/net/rtsock.c:572 rtm_addr(d,ffff800000aa0d00) at rtm_addr+0x10b sys/net/rtsock.c:1751 rt_ifa_del(ffff800000aa0d00,200404,ffff800000aa0d58,0) at rt_ifa_del+0x3ed sys/net/route.c:1194 rt_ifa_dellocal(ffff800000aa0d00) at rt_ifa_dellocal+0x149 sys/net/route.c:1292 in_purgeaddr(ffff800000aa0d00) at in_purgeaddr+0x12a sys/netinet/in.c:755 in_ifdetach(ffff800000ac4000) at in_ifdetach+0x74 sys/netinet/in.c:971 if_detach(ffff800000ac4000) at if_detach+0x140 sys/net/if.c:1039 tun_clone_destroy(ffff800000ac4000) at tun_clone_destroy+0x1e1 sys/net/if_tun.c:326 tun_dev_close(5d00,7) at tun_dev_close+0x160 sys/net/if_tun.c:477 spec_close(ffff800020ed7ba0) at spec_close+0x311 sys/kern/spec_vnops.c:560 VOP_CLOSE(fffffd807cf27418,7,fffffd807f7bfcc0,ffff800020ddc9c8) at VOP_CLOSE+0xc0 sys/kern/vfs_vops.c:174 vn_closefile(fffffd806d05b698,ffff800020ddc9c8) at vn_closefile+0xd7 vn_close sys/kern/vfs_vnops.c:298 [inline] vn_closefile(fffffd806d05b698,ffff800020ddc9c8) at vn_closefile+0xd7 sys/kern/vfs_vnops.c:614 fdrop(fffffd806d05b698,ffff800020ddc9c8) at fdrop+0xc2 sys/kern/kern_descrip.c:1279 closef(fffffd806d05b698,ffff800020ddc9c8) at closef+0x11c sys/kern/kern_descrip.c:1263 fdfree(ffff800020ddc9c8) at fdfree+0x101 sys/kern/kern_descrip.c:1195 exit1(ffff800020ddc9c8,0,9,1) at exit1+0x32c sys/kern/kern_exit.c:197 postsig(ffff800020ddc9c8,9) at postsig+0x4ed sigexit sys/kern/kern_sig.c:1483 [inline] postsig(ffff800020ddc9c8,9) at postsig+0x4ed sys/kern/kern_sig.c:1415 userret(ffff800020ddc9c8) at userret+0x199 sys/kern/kern_sig.c:1872 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7f7ffffbfaf0, count: -26 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff800020ed72d0 rbx 0xffff800020ed7380 rdx 0x8b rcx 0x2 rax 0x1 r8 0xffffffff81cae1ef kprintf+0x16f r9 0x1 r10 0x2 r11 0x2cfb1ffc49aa7e1d r12 0x3000000008 r13 0xffff800020ed72e0 r14 0x100 r15 0x1 rip 0xffffffff81a0eff8 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800020ed72c0 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.0) pid=274794 stat=onproc flags process=a proc=2000 pri=32, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800020dddad8,0xffffffff82909258 process=0xffff800020df03f0 user=0xffff800020ed3000, vmspace=0xfffffd807efffb80 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 86700 220815 68661 0 3 0x82 thrsleep syz-execprog 86700 226824 68661 0 3 0x4000082 thrsleep syz-execprog 86700 102951 68661 0 3 0x4000082 thrsleep syz-execprog 86700 303269 68661 0 3 0x4000082 wait syz-execprog 86700 257296 68661 0 3 0x4000082 thrsleep syz-execprog 86700 466657 68661 0 3 0x4000082 thrsleep syz-execprog 86700 27289 68661 0 3 0x4000082 kqread syz-execprog 68661 251138 8945 0 3 0x10008a pause ksh 8945 153354 55164 0 3 0x92 select sshd 30673 441711 1 0 3 0x100083 ttyin getty 55164 316361 1 0 3 0x80 select sshd 19941 208256 6177 74 3 0x100092 bpf pflogd 6177 493530 1 0 3 0x80 netio pflogd 78624 27387 87575 73 3 0x100090 kqread syslogd 87575 396648 1 0 3 0x100082 netio syslogd 64548 225874 1 77 7 0x100090 dhclient 6933 353334 1 0 3 0x80 poll dhclient 33063 443895 0 0 3 0x14200 bored smr 16772 513201 0 0 3 0x14200 pgzero zerothread 68194 229121 0 0 3 0x14200 aiodoned aiodoned 8445 515763 0 0 3 0x14200 syncer update 23434 464953 0 0 3 0x14200 cleaner cleaner 53047 195041 0 0 3 0x14200 reaper reaper 8024 454472 0 0 3 0x14200 pgdaemon pagedaemon 46812 201547 0 0 3 0x14200 bored crynlk 89273 85280 0 0 3 0x14200 bored crypto 58784 109814 0 0 3 0x40014200 acpi0 acpi0 47399 124867 0 0 3 0x40014200 idle1 64186 204570 0 0 3 0x14200 bored softnet 12681 199114 0 0 3 0x14200 bored systqmp 26401 519748 0 0 3 0x14200 bored systq 20717 99225 0 0 3 0x40014200 bored softclock 6512 67596 0 0 3 0x40014200 idle0 1 81110 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks CPU 1: 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_get+0x4c sys/kern/uipc_mbuf.c:250 #5 sbappendaddr+0x2e9 sys/kern/uipc_socket2.c:804 #6 rtm_sendup+0xef sys/net/rtsock.c:594 #7 route_input+0x489 sys/net/rtsock.c:572 #8 rtm_addr+0x10b sys/net/rtsock.c:1751 #9 rt_ifa_del+0x3ed sys/net/route.c:1194 #10 rt_ifa_dellocal+0x149 sys/net/route.c:1292 #11 in_purgeaddr+0x12a sys/netinet/in.c:755 #12 in_ifdetach+0x74 sys/netinet/in.c:971 #13 if_detach+0x140 sys/net/if.c:1039 #14 tun_clone_destroy+0x1e1 sys/net/if_tun.c:326 #15 tun_dev_close+0x160 sys/net/if_tun.c:477 #16 spec_close+0x311 sys/kern/spec_vnops.c:560 #17 VOP_CLOSE+0xc0 sys/kern/vfs_vops.c:174 #18 vn_closefile+0xd7 vn_close sys/kern/vfs_vnops.c:298 [inline] #18 vn_closefile+0xd7 sys/kern/vfs_vnops.c:614 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9463 6394K 6394K 78643K 10557 0 pcb 13 8K 8K 78643K 13 0 rtable 79 2K 2K 78643K 163 0 ifaddr 37 9K 9K 78643K 39 0 counters 41 33K 33K 78643K 41 0 ioctlops 0 0K 4K 78643K 1468 0 mount 1 1K 1K 78643K 1 0 vnodes 1183 74K 75K 78643K 1188 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 2 0K 0K 78643K 2 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 2 4K 12K 78643K 18 0 proc 59 63K 83K 78643K 398 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 in_multi 22 1K 1K 78643K 22 0 ether_multi 1 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 19 95K 95K 78643K 19 0 exec 0 0K 1K 78643K 197 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 83 12K 12K 78643K 954 0 UVM aobj 3 2K 2K 78643K 3 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 NDP 7 0K 0K 78643K 7 0 temp 29 3849K 3913K 78643K 1869 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 4 0 1 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 17 0 15 1 0 1 1 0 8 0 rtentry 112 34 0 3 1 0 1 1 0 8 0 unpcb 120 29 0 19 1 0 1 1 0 8 0 syncache 264 5 0 5 2 1 1 1 0 8 1 tcpcb 544 8 0 5 1 0 1 1 0 8 0 inpcb 296 34 0 28 1 0 1 1 0 8 0 nd6 48 3 0 0 1 0 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 pfstitem 24 11 0 0 1 0 1 1 0 8 0 pfstkey 112 11 0 0 1 0 1 1 0 8 0 pfstate 328 11 0 0 1 0 1 1 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 256 144 0 2 9 0 9 9 0 8 0 art_table 32 145 0 2 2 0 2 2 0 8 0 art_node 16 33 0 6 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1422 0 22 88 0 88 88 0 8 0 ffsino 272 1422 0 22 94 0 94 94 0 8 0 nchpl 144 1639 0 38 61 1 60 60 0 8 0 uvmvnodes 72 1432 0 0 27 0 27 27 0 8 0 vnodes 208 1432 0 0 76 0 76 76 0 8 0 namei 1024 4228 0 4228 2 1 1 1 0 8 1 percpumem 16 31 0 0 1 0 1 1 0 8 0 scxspl 192 4535 0 4535 9 2 7 7 0 8 7 plimitpl 152 15 0 8 1 0 1 1 0 8 0 sigapl 424 241 0 212 4 0 4 4 0 8 0 knotepl 112 48 0 38 1 0 1 1 0 8 0 kqueuepl 144 2 0 0 1 0 1 1 0 8 0 pipepl 304 78 0 71 2 1 1 1 0 8 0 fdescpl 496 226 0 212 3 0 3 3 0 8 0 filepl 152 1116 0 1058 3 0 3 3 0 8 0 lockfpl 104 5 0 4 1 0 1 1 0 8 0 lockfspl 48 3 0 2 1 0 1 1 0 8 0 sessionpl 112 19 0 9 1 0 1 1 0 8 0 pgrppl 48 19 0 9 1 0 1 1 0 8 0 ucredpl 96 62 0 53 1 0 1 1 0 8 0 zombiepl 144 213 0 212 2 1 1 1 0 8 0 processpl 992 241 0 212 5 0 5 5 0 8 1 procpl 624 247 0 212 3 0 3 3 0 8 0 sockpl 400 80 0 62 2 0 2 2 0 8 0 mcl4k 4096 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 76 0 0 10 0 10 10 0 8 0 mtagpl 96 1 0 0 1 0 1 1 0 8 0 mbufpl 256 102 0 0 6 0 6 6 0 8 0 mbufpl: pool(0xffffffff82930f10:mbufpl): free list modified: page 0xfffffd806d737000; item ordinal 0; addr 0xfffffd806d737300 (p 0xfffffd806e698000); offset 0x0=0x0 pool(mbufpl): free list modified: page 0xfffffd806d737000; item ordinal 0; addr 0xfffffd806d737300 (p 0xfffffd806e698000); offset 0x0=0x0 mbufpl: pool(0xffffffff82930f10:mbufpl): page inconsistency: page 0xfffffd806d737000; item ordinal 1; addr 0xc871701e5ae9a999 bufpl 280 2986 0 127 205 0 205 205 0 8 0 anonpl 16 22020 0 20361 13 1 12 12 0 124 4 amapchunkpl 152 809 0 736 5 0 5 5 0 158 1 amappl16 192 136 0 104 2 0 2 2 0 8 0 amappl15 184 9 0 7 1 0 1 1 0 8 0 amappl14 176 2 0 1 1 0 1 1 0 8 0 amappl13 168 24 0 21 2 1 1 1 0 8 0 amappl12 160 25 0 23 1 0 1 1 0 8 0 amappl11 152 54 0 38 1 0 1 1 0 8 0 amappl10 144 17 0 12 1 0 1 1 0 8 0 amappl9 136 207 0 206 1 0 1 1 0 8 0 amappl8 128 284 0 268 2 1 1 1 0 8 0 amappl7 120 107 0 98 1 0 1 1 0 8 0 amappl6 112 30 0 25 1 0 1 1 0 8 0 amappl5 104 123 0 109 1 0 1 1 0 8 0 amappl4 96 492 0 466 1 0 1 1 0 8 0 amappl3 88 126 0 117 1 0 1 1 0 8 0 amappl2 80 905 0 850 3 1 2 2 0 8 0 amappl1 72 15097 0 14690 23 5 18 18 0 8 8 amappl 80 477 0 447 1 0 1 1 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 24 226 0 212 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 226 0 212 1 0 1 1 0 8 0 vmmpekpl 168 6417 0 6391 2 0 2 2 0 8 0 vmmpepl 168 32856 0 31927 82 9 73 73 0 357 30 vmsppl 368 225 0 212 2 0 2 2 0 8 0 pdppl 4096 459 0 424 6 0 6 6 0 8 1 pvpl 32 112827 0 108837 107 3 104 104 0 265 70 pmappl 232 225 0 212 1 0 1 1 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 232 0 4 7 0 7 7 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 __mp_lock(ffffffff828c0728) at __mp_lock+0x127 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff828c0728) at __mp_lock+0x127 sys/kern/kern_lock.c:147 __mp_acquire_count(ffffffff828c0728,2) at __mp_acquire_count+0x51 sys/kern/kern_lock.c:227 mi_switch() at mi_switch+0x392 sys/kern/sched_bsd.c:435 sleep_finish(ffff800020e18620,1) at sleep_finish+0x113 sys/kern/kern_synch.c:418 sleep_finish_all(ffff800020e18620,1) at sleep_finish_all+0x32 sleep_finish_timeout sys/kern/kern_synch.c:447 [inline] sleep_finish_all(ffff800020e18620,1) at sleep_finish_all+0x32 sys/kern/kern_synch.c:393 tsleep(ffffffff828fa8f4,118,ffffffff8246971c,41ddb9) at tsleep+0x1cc sys/kern/kern_synch.c:155 doppoll(ffff800020ddd118,7f7fffff1780,3,ffff800020e187b8,0,ffff800020e18870) at doppoll+0x57e sys/kern/sys_generic.c:968 sys_poll(ffff800020ddd118,ffff800020e18820,ffff800020e18870) at sys_poll+0xa6 syscall(ffff800020e188f0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020e188f0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7fffff1760, count: 2 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 __mp_lock(ffffffff828c0728) at __mp_lock+0x127 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff828c0728) at __mp_lock+0x127 sys/kern/kern_lock.c:147 __mp_acquire_count(ffffffff828c0728,2) at __mp_acquire_count+0x51 sys/kern/kern_lock.c:227 mi_switch() at mi_switch+0x392 sys/kern/sched_bsd.c:435 sleep_finish(ffff800020e18620,1) at sleep_finish+0x113 sys/kern/kern_synch.c:418 sleep_finish_all(ffff800020e18620,1) at sleep_finish_all+0x32 sleep_finish_timeout sys/kern/kern_synch.c:447 [inline] sleep_finish_all(ffff800020e18620,1) at sleep_finish_all+0x32 sys/kern/kern_synch.c:393 tsleep(ffffffff828fa8f4,118,ffffffff8246971c,41ddb9) at tsleep+0x1cc sys/kern/kern_synch.c:155 doppoll(ffff800020ddd118,7f7fffff1780,3,ffff800020e187b8,0,ffff800020e18870) at doppoll+0x57e sys/kern/sys_generic.c:968 sys_poll(ffff800020ddd118,ffff800020e18820,ffff800020e18870) at sys_poll+0xa6 syscall(ffff800020e188f0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800020e188f0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7fffff1760, count: -13 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(ffffffff8249d2cc) at panic+0x164 sys/kern/subr_prf.c:218 pool_do_get(ffffffff82930f10,2,ffff800020ed7488) 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_get(2,3) at m_get+0x4c sys/kern/uipc_mbuf.c:250 sbappendaddr(fffffd806f662190,fffffd806f662218,ffffffff8257f398,fffffd806d6d7e00,0) at sbappendaddr+0x2e9 sys/kern/uipc_socket2.c:804 rtm_sendup(fffffd806f662190,fffffd806d6d7e00,0) at rtm_sendup+0xef sys/net/rtsock.c:594 route_input(fffffd806d6d7e00,0,2) at route_input+0x489 sys/net/rtsock.c:572 rtm_addr(d,ffff800000aa0d00) at rtm_addr+0x10b sys/net/rtsock.c:1751 rt_ifa_del(ffff800000aa0d00,200404,ffff800000aa0d58,0) at rt_ifa_del+0x3ed sys/net/route.c:1194 rt_ifa_dellocal(ffff800000aa0d00) at rt_ifa_dellocal+0x149 sys/net/route.c:1292 in_purgeaddr(ffff800000aa0d00) at in_purgeaddr+0x12a sys/netinet/in.c:755 in_ifdetach(ffff800000ac4000) at in_ifdetach+0x74 sys/netinet/in.c:971 if_detach(ffff800000ac4000) at if_detach+0x140 sys/net/if.c:1039 end trace frame: 0xffff800020ed7ac0, count: 0 ddb{1}> trace 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,ffff800020ed7488) 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_get(2,3) at m_get+0x4c sys/kern/uipc_mbuf.c:250 sbappendaddr(fffffd806f662190,fffffd806f662218,ffffffff8257f398,fffffd806d6d7e00,0) at sbappendaddr+0x2e9 sys/kern/uipc_socket2.c:804 rtm_sendup(fffffd806f662190,fffffd806d6d7e00,0) at rtm_sendup+0xef sys/net/rtsock.c:594 route_input(fffffd806d6d7e00,0,2) at route_input+0x489 sys/net/rtsock.c:572 rtm_addr(d,ffff800000aa0d00) at rtm_addr+0x10b sys/net/rtsock.c:1751 rt_ifa_del(ffff800000aa0d00,200404,ffff800000aa0d58,0) at rt_ifa_del+0x3ed sys/net/route.c:1194 rt_ifa_dellocal(ffff800000aa0d00) at rt_ifa_dellocal+0x149 sys/net/route.c:1292 in_purgeaddr(ffff800000aa0d00) at in_purgeaddr+0x12a sys/netinet/in.c:755 in_ifdetach(ffff800000ac4000) at in_ifdetach+0x74 sys/netinet/in.c:971 if_detach(ffff800000ac4000) at if_detach+0x140 sys/net/if.c:1039 tun_clone_destroy(ffff800000ac4000) at tun_clone_destroy+0x1e1 sys/net/if_tun.c:326 tun_dev_close(5d00,7) at tun_dev_close+0x160 sys/net/if_tun.c:477 spec_close(ffff800020ed7ba0) at spec_close+0x311 sys/kern/spec_vnops.c:560 VOP_CLOSE(fffffd807cf27418,7,fffffd807f7bfcc0,ffff800020ddc9c8) at VOP_CLOSE+0xc0 sys/kern/vfs_vops.c:174 vn_closefile(fffffd806d05b698,ffff800020ddc9c8) at vn_closefile+0xd7 vn_close sys/kern/vfs_vnops.c:298 [inline] vn_closefile(fffffd806d05b698,ffff800020ddc9c8) at vn_closefile+0xd7 sys/kern/vfs_vnops.c:614 fdrop(fffffd806d05b698,ffff800020ddc9c8) at fdrop+0xc2 sys/kern/kern_descrip.c:1279 closef(fffffd806d05b698,ffff800020ddc9c8) at closef+0x11c sys/kern/kern_descrip.c:1263 fdfree(ffff800020ddc9c8) at fdfree+0x101 sys/kern/kern_descrip.c:1195 exit1(ffff800020ddc9c8,0,9,1) at exit1+0x32c sys/kern/kern_exit.c:197 postsig(ffff800020ddc9c8,9) at postsig+0x4ed sigexit sys/kern/kern_sig.c:1483 [inline] postsig(ffff800020ddc9c8,9) at postsig+0x4ed sys/kern/kern_sig.c:1415 userret(ffff800020ddc9c8) at userret+0x199 sys/kern/kern_sig.c:1872 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7f7ffffbfaf0, count: -26 ddb{1}>