panic: pool_do_get: mbufpl free list modified: page 0xfffffd806d622000; item addr 0xfffffd806d622600; offset 0x0=0x0 != 0xd40984927bb77de9 Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff82477b2e) at panic+0x15c sys/kern/subr_prf.c:207 pool_do_get(ffffffff828e9bc8,2,ffff800020ee6c88) at pool_do_get+0x439 sys/kern/subr_pool.c:738 pool_get(ffffffff828e9bc8,2) at pool_get+0xeb sys/kern/subr_pool.c:581 m_gethdr(2,1) at m_gethdr+0x4c sys/kern/uipc_mbuf.c:283 rtm_msg1(2,ffff800020ee6de0) at rtm_msg1+0x6e sys/net/rtsock.c:1534 rtm_send(fffffd8078665380,2,0,0) at rtm_send+0x120 rtm_miss sys/net/rtsock.c:1679 [inline] rtm_send(fffffd8078665380,2,0,0) at rtm_send+0x120 sys/net/rtsock.c:1657 rt_ifa_del(ffff800000a9fc00,800100,ffff800000a9fc58,0) at rt_ifa_del+0x3bb sys/net/route.c:1190 in_purgeaddr(ffff800000a9fc00) at in_purgeaddr+0xc6 in_remove_prefix sys/netinet/in.c:812 [inline] in_purgeaddr(ffff800000a9fc00) at in_purgeaddr+0xc6 in_ifscrub sys/netinet/in.c:636 [inline] in_purgeaddr(ffff800000a9fc00) at in_purgeaddr+0xc6 sys/netinet/in.c:752 in_ifdetach(ffff800000ac3000) at in_ifdetach+0x74 sys/netinet/in.c:971 if_detach(ffff800000ac3000) at if_detach+0x140 sys/net/if.c:1148 tun_clone_destroy(ffff800000ac3000) at tun_clone_destroy+0x1f2 sys/net/if_tun.c:329 tun_dev_close(5d00,7) at tun_dev_close+0x160 sys/net/if_tun.c:480 spec_close(ffff800020ee7280) at spec_close+0x311 sys/kern/spec_vnops.c:560 end trace frame: 0xffff800020ee72f0, 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 0xfffffd806d622000; item addr 0xfffffd806d622600; offset 0x0=0x0 != 0xd40984927bb77de9 ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff82477b2e) at panic+0x15c sys/kern/subr_prf.c:207 pool_do_get(ffffffff828e9bc8,2,ffff800020ee6c88) at pool_do_get+0x439 sys/kern/subr_pool.c:738 pool_get(ffffffff828e9bc8,2) at pool_get+0xeb sys/kern/subr_pool.c:581 m_gethdr(2,1) at m_gethdr+0x4c sys/kern/uipc_mbuf.c:283 rtm_msg1(2,ffff800020ee6de0) at rtm_msg1+0x6e sys/net/rtsock.c:1534 rtm_send(fffffd8078665380,2,0,0) at rtm_send+0x120 rtm_miss sys/net/rtsock.c:1679 [inline] rtm_send(fffffd8078665380,2,0,0) at rtm_send+0x120 sys/net/rtsock.c:1657 rt_ifa_del(ffff800000a9fc00,800100,ffff800000a9fc58,0) at rt_ifa_del+0x3bb sys/net/route.c:1190 in_purgeaddr(ffff800000a9fc00) at in_purgeaddr+0xc6 in_remove_prefix sys/netinet/in.c:812 [inline] in_purgeaddr(ffff800000a9fc00) at in_purgeaddr+0xc6 in_ifscrub sys/netinet/in.c:636 [inline] in_purgeaddr(ffff800000a9fc00) at in_purgeaddr+0xc6 sys/netinet/in.c:752 in_ifdetach(ffff800000ac3000) at in_ifdetach+0x74 sys/netinet/in.c:971 if_detach(ffff800000ac3000) at if_detach+0x140 sys/net/if.c:1148 tun_clone_destroy(ffff800000ac3000) at tun_clone_destroy+0x1f2 sys/net/if_tun.c:329 tun_dev_close(5d00,7) at tun_dev_close+0x160 sys/net/if_tun.c:480 spec_close(ffff800020ee7280) at spec_close+0x311 sys/kern/spec_vnops.c:560 VOP_CLOSE(fffffd806ecf30d8,7,fffffd807f7bfba0,ffff800020dec4e8) at VOP_CLOSE+0xc0 sys/kern/vfs_vops.c:174 vn_closefile(fffffd806cf82860,ffff800020dec4e8) at vn_closefile+0xd7 vn_close sys/kern/vfs_vnops.c:298 [inline] vn_closefile(fffffd806cf82860,ffff800020dec4e8) at vn_closefile+0xd7 sys/kern/vfs_vnops.c:614 fdrop(fffffd806cf82860,ffff800020dec4e8) at fdrop+0xc2 sys/kern/kern_descrip.c:1279 closef(fffffd806cf82860,ffff800020dec4e8) at closef+0x11c sys/kern/kern_descrip.c:1263 fdfree(ffff800020dec4e8) at fdfree+0x101 sys/kern/kern_descrip.c:1195 exit1(ffff800020dec4e8,0,9,1) at exit1+0x32c sys/kern/kern_exit.c:197 postsig(ffff800020dec4e8,9) at postsig+0x4ed sigexit sys/kern/kern_sig.c:1483 [inline] postsig(ffff800020dec4e8,9) at postsig+0x4ed sys/kern/kern_sig.c:1415 userret(ffff800020dec4e8) at userret+0x199 sys/kern/kern_sig.c:1866 syscall(ffff800020ee7700) at syscall+0x55f mi_syscall_return sys/sys/syscall_mi.h:129 [inline] syscall(ffff800020ee7700) at syscall+0x55f sys/arch/amd64/amd64/trap.c:592 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffd1a20, count: -24 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff800020ee6ad0 rbx 0xffff800020ee6b80 rdx 0x8b rcx 0x2 rax 0x1 r8 0xffffffff817378df kprintf+0x16f r9 0x1 r10 0x2 r11 0xfc5f0d837801744 r12 0x3000000008 r13 0xffff800020ee6ae0 r14 0x100 r15 0x1 rip 0xffffffff81d71358 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800020ee6ac0 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.0) pid=455844 stat=onproc flags process=a proc=2000 pri=32, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff800020dec9c8,0xffffffff8290e270 process=0xffff800020e003e8 user=0xffff800020ee2000, vmspace=0xfffffd807f000b80 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 61578 414195 76808 0 3 0x82 wait syz-execprog 61578 131670 76808 0 3 0x4000082 thrsleep syz-execprog 61578 102438 76808 0 3 0x4000082 thrsleep syz-execprog 61578 30667 76808 0 3 0x4000082 thrsleep syz-execprog 61578 168812 76808 0 3 0x4000082 thrsleep syz-execprog 61578 230958 76808 0 3 0x4000082 thrsleep syz-execprog 61578 339342 76808 0 3 0x4000082 thrsleep syz-execprog 61578 483891 76808 0 3 0x4000082 thrsleep syz-execprog 61578 344084 76808 0 3 0x4000082 kqread syz-execprog 76808 238245 88098 0 3 0x10008a pause ksh 88098 223103 2010 0 3 0x92 select sshd 79356 471385 1 0 3 0x100083 ttyin getty 2010 52337 1 0 3 0x80 select sshd 6601 379779 60236 74 3 0x100092 bpf pflogd 60236 209812 1 0 3 0x80 netio pflogd 91149 461005 16648 73 3 0x100090 kqread syslogd 16648 184964 1 0 3 0x100082 netio syslogd 55955 100690 1 77 3 0x100090 poll dhclient 91649 58643 1 0 3 0x80 poll dhclient 17262 295533 0 0 3 0x14200 bored smr 91553 362927 0 0 3 0x14200 pgzero zerothread 1234 402614 0 0 3 0x14200 aiodoned aiodoned 32394 264298 0 0 3 0x14200 syncer update 5295 35044 0 0 3 0x14200 cleaner cleaner 30222 361075 0 0 3 0x14200 reaper reaper 80774 472381 0 0 3 0x14200 pgdaemon pagedaemon 3093 462177 0 0 3 0x14200 bored crynlk 69341 395978 0 0 3 0x14200 bored crypto 74704 500272 0 0 3 0x40014200 acpi0 acpi0 27240 430446 0 0 3 0x40014200 idle1 97573 73035 0 0 3 0x14200 bored softnet 32710 334635 0 0 3 0x14200 bored systqmp 58457 202037 0 0 3 0x14200 bored systq 27336 65847 0 0 3 0x40014200 bored softclock 21407 193357 0 0 7 0x40014200 idle0 1 133747 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 (0xffffffff828e9bd8) #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_gethdr+0x4c sys/kern/uipc_mbuf.c:283 #5 rtm_msg1+0x6e sys/net/rtsock.c:1534 #6 rtm_send+0x120 rtm_miss sys/net/rtsock.c:1679 [inline] #6 rtm_send+0x120 sys/net/rtsock.c:1657 #7 rt_ifa_del+0x3bb sys/net/route.c:1190 #8 in_purgeaddr+0xc6 in_remove_prefix sys/netinet/in.c:812 [inline] #8 in_purgeaddr+0xc6 in_ifscrub sys/netinet/in.c:636 [inline] #8 in_purgeaddr+0xc6 sys/netinet/in.c:752 #9 in_ifdetach+0x74 sys/netinet/in.c:971 #10 if_detach+0x140 sys/net/if.c:1148 #11 tun_clone_destroy+0x1f2 sys/net/if_tun.c:329 #12 tun_dev_close+0x160 sys/net/if_tun.c:480 #13 spec_close+0x311 sys/kern/spec_vnops.c:560 #14 VOP_CLOSE+0xc0 sys/kern/vfs_vops.c:174 #15 vn_closefile+0xd7 vn_close sys/kern/vfs_vnops.c:298 [inline] #15 vn_closefile+0xd7 sys/kern/vfs_vnops.c:614 #16 fdrop+0xc2 sys/kern/kern_descrip.c:1279 #17 closef+0x11c sys/kern/kern_descrip.c:1263 #18 fdfree+0x101 sys/kern/kern_descrip.c:1195 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9465 6396K 6396K 78643K 10560 0 pcb 13 8K 8K 78643K 13 0 rtable 83 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 76 12K 12K 78643K 945 0 UVM aobj 2 2K 2K 78643K 2 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 3841K 3905K 78643K 1867 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 0 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 1 1 0 1 1 0 8 0 unpcb 120 29 0 19 1 0 1 1 0 8 0 syncache 264 5 0 5 1 0 1 1 0 8 1 tcpcb 544 8 0 5 1 0 1 1 0 8 0 inpcb 280 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 10 0 0 1 0 1 1 0 8 0 pfstkey 112 10 0 0 1 0 1 1 0 8 0 pfstate 328 10 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 0 9 0 9 9 0 8 0 art_table 32 145 0 0 2 0 2 2 0 8 0 art_node 16 33 0 4 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1424 0 22 88 0 88 88 0 8 0 ffsino 272 1424 0 22 94 0 94 94 0 8 0 nchpl 144 1642 0 38 60 0 60 60 0 8 0 uvmvnodes 72 1434 0 0 27 0 27 27 0 8 0 vnodes 208 1434 0 0 76 0 76 76 0 8 0 namei 1024 4211 0 4211 1 0 1 1 0 8 1 percpumem 16 31 0 0 1 0 1 1 0 8 0 scxspl 192 4383 0 4383 2 1 1 2 0 8 1 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 47 0 38 1 0 1 1 0 8 0 kqueuepl 144 2 0 0 1 0 1 1 0 8 0 pipelkpl 48 77 0 71 1 0 1 1 0 8 0 pipepl 120 154 0 143 1 0 1 1 0 8 0 fdescpl 496 226 0 212 3 0 3 3 0 8 0 filepl 152 1116 0 1060 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 1 0 1 1 0 8 0 processpl 984 241 0 212 5 0 5 5 0 8 1 procpl 624 249 0 212 4 0 4 4 0 8 1 sockpl 400 80 0 62 2 0 2 2 0 8 0 mcl4k 4096 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 77 0 0 10 0 10 10 0 8 0 mtagpl 80 1 0 0 1 0 1 1 0 8 0 mbufpl 256 94 0 0 6 0 6 6 0 8 0 mbufpl: pool(0xffffffff828e9bc8:mbufpl): free list modified: page 0xfffffd806d622000; item ordinal 0; addr 0xfffffd806d622600 (p 0xfffffd807f54a000); offset 0x0=0x0 pool(mbufpl): free list modified: page 0xfffffd806d622000; item ordinal 0; addr 0xfffffd806d622600 (p 0xfffffd807f54a000); offset 0x0=0x0 mbufpl: pool(0xffffffff828e9bc8:mbufpl): page inconsistency: page 0xfffffd806d622000; item ordinal 1; addr 0x7656a44289da3cac bufpl 280 3046 0 133 209 0 209 209 0 8 0 anonpl 16 22434 0 20815 13 1 12 12 0 124 3 amapchunkpl 152 771 0 705 5 0 5 5 0 158 2 amappl16 192 146 0 114 2 0 2 2 0 8 0 amappl15 184 4 0 2 1 0 1 1 0 8 0 amappl14 176 30 0 26 1 0 1 1 0 8 0 amappl13 168 22 0 20 1 0 1 1 0 8 0 amappl12 160 9 0 8 2 1 1 1 0 8 0 amappl11 152 51 0 35 1 0 1 1 0 8 0 amappl10 144 20 0 17 1 0 1 1 0 8 0 amappl9 136 221 0 220 1 0 1 1 0 8 0 amappl8 128 280 0 271 1 0 1 1 0 8 0 amappl7 120 115 0 104 1 0 1 1 0 8 0 amappl6 112 24 0 20 2 1 1 1 0 8 0 amappl5 104 147 0 133 1 0 1 1 0 8 0 amappl4 96 492 0 466 1 0 1 1 0 8 0 amappl3 88 104 0 99 1 0 1 1 0 8 0 amappl2 80 888 0 832 2 0 2 2 0 8 0 amappl1 72 15464 0 15053 22 5 17 17 0 8 7 amappl 80 473 0 445 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 1 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 6366 0 6339 2 0 2 2 0 8 0 vmmpepl 168 32523 0 31612 80 8 72 72 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 113854 0 109874 105 1 104 104 0 265 69 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 3 7 0 7 7 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffffffff826feff0) 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(ffffffff82910868) at __mp_lock+0x127 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82910868) at __mp_lock+0x127 sys/kern/kern_lock.c:147 softintr_dispatch(0) at softintr_dispatch+0x4e sys/arch/amd64/amd64/softintr.c:89 Xsoftclock() at Xsoftclock+0x1f acpicpu_idle() at acpicpu_idle+0x331 sys/dev/acpi/acpicpu.c:1187 sched_idle(ffffffff826feff0) at sched_idle+0x3f7 sys/kern/kern_sched.c:178 end trace frame: 0x0, count: 7 ddb{0}> trace x86_ipi_db(ffffffff826feff0) 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(ffffffff82910868) at __mp_lock+0x127 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82910868) at __mp_lock+0x127 sys/kern/kern_lock.c:147 softintr_dispatch(0) at softintr_dispatch+0x4e sys/arch/amd64/amd64/softintr.c:89 Xsoftclock() at Xsoftclock+0x1f acpicpu_idle() at acpicpu_idle+0x331 sys/dev/acpi/acpicpu.c:1187 sched_idle(ffffffff826feff0) at sched_idle+0x3f7 sys/kern/kern_sched.c:178 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(ffffffff82477b2e) at panic+0x15c sys/kern/subr_prf.c:207 pool_do_get(ffffffff828e9bc8,2,ffff800020ee6c88) at pool_do_get+0x439 sys/kern/subr_pool.c:738 pool_get(ffffffff828e9bc8,2) at pool_get+0xeb sys/kern/subr_pool.c:581 m_gethdr(2,1) at m_gethdr+0x4c sys/kern/uipc_mbuf.c:283 rtm_msg1(2,ffff800020ee6de0) at rtm_msg1+0x6e sys/net/rtsock.c:1534 rtm_send(fffffd8078665380,2,0,0) at rtm_send+0x120 rtm_miss sys/net/rtsock.c:1679 [inline] rtm_send(fffffd8078665380,2,0,0) at rtm_send+0x120 sys/net/rtsock.c:1657 rt_ifa_del(ffff800000a9fc00,800100,ffff800000a9fc58,0) at rt_ifa_del+0x3bb sys/net/route.c:1190 in_purgeaddr(ffff800000a9fc00) at in_purgeaddr+0xc6 in_remove_prefix sys/netinet/in.c:812 [inline] in_purgeaddr(ffff800000a9fc00) at in_purgeaddr+0xc6 in_ifscrub sys/netinet/in.c:636 [inline] in_purgeaddr(ffff800000a9fc00) at in_purgeaddr+0xc6 sys/netinet/in.c:752 in_ifdetach(ffff800000ac3000) at in_ifdetach+0x74 sys/netinet/in.c:971 if_detach(ffff800000ac3000) at if_detach+0x140 sys/net/if.c:1148 tun_clone_destroy(ffff800000ac3000) at tun_clone_destroy+0x1f2 sys/net/if_tun.c:329 tun_dev_close(5d00,7) at tun_dev_close+0x160 sys/net/if_tun.c:480 spec_close(ffff800020ee7280) at spec_close+0x311 sys/kern/spec_vnops.c:560 end trace frame: 0xffff800020ee72f0, count: 0 ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff82477b2e) at panic+0x15c sys/kern/subr_prf.c:207 pool_do_get(ffffffff828e9bc8,2,ffff800020ee6c88) at pool_do_get+0x439 sys/kern/subr_pool.c:738 pool_get(ffffffff828e9bc8,2) at pool_get+0xeb sys/kern/subr_pool.c:581 m_gethdr(2,1) at m_gethdr+0x4c sys/kern/uipc_mbuf.c:283 rtm_msg1(2,ffff800020ee6de0) at rtm_msg1+0x6e sys/net/rtsock.c:1534 rtm_send(fffffd8078665380,2,0,0) at rtm_send+0x120 rtm_miss sys/net/rtsock.c:1679 [inline] rtm_send(fffffd8078665380,2,0,0) at rtm_send+0x120 sys/net/rtsock.c:1657 rt_ifa_del(ffff800000a9fc00,800100,ffff800000a9fc58,0) at rt_ifa_del+0x3bb sys/net/route.c:1190 in_purgeaddr(ffff800000a9fc00) at in_purgeaddr+0xc6 in_remove_prefix sys/netinet/in.c:812 [inline] in_purgeaddr(ffff800000a9fc00) at in_purgeaddr+0xc6 in_ifscrub sys/netinet/in.c:636 [inline] in_purgeaddr(ffff800000a9fc00) at in_purgeaddr+0xc6 sys/netinet/in.c:752 in_ifdetach(ffff800000ac3000) at in_ifdetach+0x74 sys/netinet/in.c:971 if_detach(ffff800000ac3000) at if_detach+0x140 sys/net/if.c:1148 tun_clone_destroy(ffff800000ac3000) at tun_clone_destroy+0x1f2 sys/net/if_tun.c:329 tun_dev_close(5d00,7) at tun_dev_close+0x160 sys/net/if_tun.c:480 spec_close(ffff800020ee7280) at spec_close+0x311 sys/kern/spec_vnops.c:560 VOP_CLOSE(fffffd806ecf30d8,7,fffffd807f7bfba0,ffff800020dec4e8) at VOP_CLOSE+0xc0 sys/kern/vfs_vops.c:174 vn_closefile(fffffd806cf82860,ffff800020dec4e8) at vn_closefile+0xd7 vn_close sys/kern/vfs_vnops.c:298 [inline] vn_closefile(fffffd806cf82860,ffff800020dec4e8) at vn_closefile+0xd7 sys/kern/vfs_vnops.c:614 fdrop(fffffd806cf82860,ffff800020dec4e8) at fdrop+0xc2 sys/kern/kern_descrip.c:1279 closef(fffffd806cf82860,ffff800020dec4e8) at closef+0x11c sys/kern/kern_descrip.c:1263 fdfree(ffff800020dec4e8) at fdfree+0x101 sys/kern/kern_descrip.c:1195 exit1(ffff800020dec4e8,0,9,1) at exit1+0x32c sys/kern/kern_exit.c:197 postsig(ffff800020dec4e8,9) at postsig+0x4ed sigexit sys/kern/kern_sig.c:1483 [inline] postsig(ffff800020dec4e8,9) at postsig+0x4ed sys/kern/kern_sig.c:1415 userret(ffff800020dec4e8) at userret+0x199 sys/kern/kern_sig.c:1866 syscall(ffff800020ee7700) at syscall+0x55f mi_syscall_return sys/sys/syscall_mi.h:129 [inline] syscall(ffff800020ee7700) at syscall+0x55f sys/arch/amd64/amd64/trap.c:592 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffd1a20, count: -24 ddb{1}>