./file0i5~7tap3@ /dev/bpfM% ./file0i5~7tap3@ /dev/bpfM% ./file0i5~7tap3@ /dev/bpfM% ./file0i5~7tap3./file0@ /dev/bpfM%panic: kernel diagnostic assertion "sc->sc_dev == 0" failed: file "/syzkaller/managers/multicore/kernel/sys/net/if_tun.c", line 305 Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *232791 39907 0 0 0x4000000 0K syz-executor.0 db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 panic(ffffffff825739a5) at panic+0x177 sys/kern/subr_prf.c:202 __assert(ffffffff825e91ae,ffffffff82632dac,131,ffffffff825fdeb9) at __assert+0x25 sys/kern/subr_prf.c:161 tun_clone_destroy(ffff800000de2000) at tun_clone_destroy+0x278 sys/net/if_tun.c:305 if_clone_destroy(ffff80002e3ea210) at if_clone_destroy+0x132 sys/net/if.c:1218 soo_ioctl(fffffd8066f7f3a0,80206979,ffff80002e3ea210,ffff8000ffff37a8) at soo_ioctl+0x26c sys_ioctl(ffff8000ffff37a8,ffff80002e3ea328,ffff80002e3ea380) at sys_ioctl+0x4a2 syscall(ffff80002e3ea3f0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002e3ea3f0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xdcd41f7a7f0, count: 6 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{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: kernel diagnostic assertion "sc->sc_dev == 0" failed: file "/syzkaller/managers/multicore/kernel/sys/net/if_tun.c", line 305 ddb{0}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 panic(ffffffff825739a5) at panic+0x177 sys/kern/subr_prf.c:202 __assert(ffffffff825e91ae,ffffffff82632dac,131,ffffffff825fdeb9) at __assert+0x25 sys/kern/subr_prf.c:161 tun_clone_destroy(ffff800000de2000) at tun_clone_destroy+0x278 sys/net/if_tun.c:305 if_clone_destroy(ffff80002e3ea210) at if_clone_destroy+0x132 sys/net/if.c:1218 soo_ioctl(fffffd8066f7f3a0,80206979,ffff80002e3ea210,ffff8000ffff37a8) at soo_ioctl+0x26c sys_ioctl(ffff8000ffff37a8,ffff80002e3ea328,ffff80002e3ea380) at sys_ioctl+0x4a2 syscall(ffff80002e3ea3f0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002e3ea3f0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xdcd41f7a7f0, count: -9 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80002e3ea020 rbx 0xffffffff82920bff cpu_info_full_primary+0x2bff rdx 0 rcx 0 rax 0xffff8000ffff37a8 r8 0 r9 0x8080808080808080 r10 0x72baeb4cfb709cba r11 0x7655be1519ce812a r12 0xffffffff82920a00 cpu_info_full_primary+0x2a00 r13 0 r14 0 r15 0x1 rip 0xffffffff8147cfe8 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff80002e3ea010 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.0) pid=232791 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=83, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff3a48,0xffff8000ffff2a98 process=0xffff8000ffffa148 user=0xffff80002e3e5000, vmspace=0xfffffd807bb3f190 estcpu=33, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 25948 439114 51949 0 2 0 syz-executor.7 25948 294935 51949 0 3 0x4000080 fsleep syz-executor.7 56685 417226 61866 0 2 0 syz-executor.6 56685 368026 61866 0 2 0x4000000 syz-executor.6 56685 480513 61866 0 3 0x4000080 fsleep syz-executor.6 54731 32720 78845 0 2 0 syz-executor.2 54731 323439 78845 0 3 0x4000080 fsleep syz-executor.2 39907 125534 3685 0 2 0 syz-executor.0 *39907 232791 3685 0 7 0x4000000 syz-executor.0 79038 215411 75694 0 2 0 syz-executor.1 79038 503635 75694 0 3 0x4000080 fsleep syz-executor.1 28917 75891 23005 0 3 0x80 nanoslp syz-executor.3 28917 442956 23005 0 3 0x4000080 fsleep syz-executor.3 41531 139548 6250 0 2 0 syz-executor.4 41531 422520 6250 0 3 0x4000080 fsleep syz-executor.4 61866 322038 74682 0 2 0x482 syz-executor.6 78845 427189 74682 0 2 0x482 syz-executor.2 79916 288999 1 0 3 0x100083 ttyopn getty 2017 123370 0 0 3 0x14200 acct acct 75694 195225 74682 0 2 0x482 syz-executor.1 3685 444251 74682 0 3 0x82 nanoslp syz-executor.0 51949 274219 74682 0 3 0x82 nanoslp syz-executor.7 23005 477839 74682 0 2 0x482 syz-executor.3 6250 295591 74682 0 3 0x82 nanoslp syz-executor.4 79116 238623 74682 0 2 0x2 syz-executor.5 7116 415067 0 0 3 0x14200 bored sosplice 74682 251855 38887 0 3 0x82 thrsleep syz-fuzzer 74682 474215 38887 0 3 0x4000082 nanoslp syz-fuzzer 74682 318348 38887 0 3 0x4000082 thrsleep syz-fuzzer 74682 228873 38887 0 3 0x4000082 nanoslp syz-fuzzer 74682 31193 38887 0 3 0x4000082 thrsleep syz-fuzzer 74682 300929 38887 0 3 0x4000082 thrsleep syz-fuzzer 74682 147331 38887 0 3 0x4000082 kqread syz-fuzzer 74682 342034 38887 0 3 0x4000082 thrsleep syz-fuzzer 74682 247717 38887 0 3 0x4000082 thrsleep syz-fuzzer 38887 175180 46299 0 3 0x10008a sigsusp ksh 46299 168069 83998 0 3 0x9a kqread sshd 83998 403029 1 0 3 0x88 kqread sshd 55806 417924 10387 74 3 0x100092 bpf pflogd 10387 153265 1 0 3 0x80 netio pflogd 83761 337951 86185 73 3 0x100090 kqread syslogd 86185 342452 1 0 3 0x100082 netio syslogd 57637 344972 1 0 3 0x100080 kqread resolvd 92225 231704 69975 77 2 0x100092 dhcpleased 31309 54847 69975 77 3 0x100092 kqread dhcpleased 69975 482130 1 0 3 0x80 kqread dhcpleased 69834 296218 0 0 3 0x14200 bored smr 65924 511427 0 0 2 0x14200 zerothread 377 501724 0 0 3 0x14200 aiodoned aiodoned 31285 474666 0 0 3 0x14200 syncer update 76991 6473 0 0 3 0x14200 cleaner cleaner 47428 134317 0 0 3 0x14200 reaper reaper 45000 192297 0 0 3 0x14200 pgdaemon pagedaemon 2809 167363 0 0 3 0x14200 bored viomb 32263 26378 0 0 3 0x40014200 acpi0 acpi0 80311 401381 0 0 7 0x40014200 idle1 43485 396601 0 0 3 0x14200 bored softnet 88977 338143 0 0 3 0x14200 bored systqmp 10557 474910 0 0 3 0x14200 bored systq 70273 57143 0 0 3 0x40014200 bored softclock 12889 84463 0 0 3 0x40014200 idle0 1 200424 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 56685 (syz-executor.6) thread 0xffff8000ffff2008 (368026) exclusive rrwlock inode r = 0 (0xfffffd806fc0f5f0) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534 #4 ufs_ihashins+0x42 sys/ufs/ufs/ufs_ihash.c:140 #5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1347 #6 ffs_inode_alloc+0x1be sys/ufs/ffs/ffs_alloc.c:394 #7 ufs_makeinode+0xae sys/ufs/ufs/ufs_vnops.c:1830 #8 ufs_create+0x41 sys/ufs/ufs/ufs_vnops.c:152 #9 VOP_CREATE+0xbc sys/kern/vfs_vops.c:103 #10 vn_open+0x28f sys/kern/vfs_vnops.c:122 #11 doopenat+0x26a sys/kern/vfs_syscalls.c:1128 #12 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #12 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #13 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8067d2f918) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:579 #5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:413 #6 namei+0x36a sys/kern/vfs_lookup.c:245 #7 vn_open+0x188 sys/kern/vfs_vnops.c:113 #8 doopenat+0x26a sys/kern/vfs_syscalls.c:1128 #9 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #9 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #10 Xsyscall+0x128 Process 39907 (syz-executor.0) thread 0xffff8000ffff37a8 (232791) exclusive rwlock clonelk r = 0 (0xffffffff828e4a20) #0 witness_lock+0x44d #1 if_clone_destroy+0x49 #2 soo_ioctl+0x26c #3 sys_ioctl+0x4a2 #4 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #4 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #5 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82a3d4a8) #0 witness_lock+0x44d #1 soo_ioctl+0x25a sys/kern/sys_socket.c:136 #2 sys_ioctl+0x4a2 #3 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #3 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #4 Xsyscall+0x128 Process 79116 (syz-executor.5) thread 0xffff8000ffff2d28 (238623) exclusive rrwlock inode r = 0 (0xfffffd805b2e80a8) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:579 #5 vget+0x1d3 sys/kern/vfs_subr.c:677 #6 ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119 #7 ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1318 #8 ufs_lookup+0x13ba sys/ufs/ufs/ufs_lookup.c:487 #9 VOP_LOOKUP+0x58 sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x6e5 sys/kern/vfs_lookup.c:561 #11 namei+0x36a sys/kern/vfs_lookup.c:245 #12 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1849 #13 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #13 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8070e70818) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:579 #5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:413 #6 namei+0x36a sys/kern/vfs_lookup.c:245 #7 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1849 #8 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #8 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #9 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10225 6574K 6951K 78643K 34884 0 pcb 15 38K 46K 78643K 3299 0 rtable 229 29K 31K 78643K 4917 0 ifaddr 94 27K 34K 78643K 1767 0 sysctl 2 0K 0K 78643K 2 0 counters 54 35K 36K 78643K 552 0 ioctlops 0 0K 8K 78643K 5612 0 iov 0 0K 20K 78643K 2170 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 5 0 vnodes 1471 92K 92K 78643K 10357 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 223 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 1709 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 17 61K 93K 78643K 18684 0 sigio 0 0K 0K 78643K 219 0 proc 70 87K 124K 78643K 3290 0 subproc 104 6K 7K 78643K 1039 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 960 0 in_multi 64 4K 7K 78643K 1675 0 ether_multi 1 0K 0K 78643K 188 0 mrt 1 0K 0K 78643K 56 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 271 1208K 1208K 78643K 271 0 exec 0 0K 2K 78643K 4127 0 pfkey data 0 0K 1K 78643K 8 0 tdb 3 0K 0K 78643K 3 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 692 1618K 1620K 78643K 233713 0 UVM aobj 131 4K 4K 78643K 139 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 1065 0 NDP 11 0K 2K 78643K 502 0 temp 147 4733K 4813K 78643K 197477 0 kqueue 12 18K 24K 78643K 966 0 SYN cache 2 16K 16K 78643K 2 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 22 0 0 1 0 1 1 0 8 0 rtpcb 120 1425 0 1422 17 16 1 3 0 8 0 rtentry 112 1367 0 1298 5 1 4 4 0 8 1 unpcb 136 13151 0 13136 115 114 1 8 0 8 0 syncache 296 23 0 23 8 8 0 1 0 8 0 tcpcb 736 6419 0 6412 195 193 2 23 0 8 0 arp 120 171 0 158 1 0 1 1 0 8 0 inpcb 304 18698 0 18127 238 191 47 55 0 8 2 rttmr 72 33 0 33 5 5 0 1 0 8 0 nd6 48 352 0 336 1 0 1 1 0 8 0 pkpcb 40 42 0 42 8 8 0 1 0 8 0 kcovpl 48 79 0 71 1 0 1 1 0 8 0 ppxss 1248 77 0 77 18 17 1 1 0 8 1 pfstscr 40 20 0 20 5 5 0 1 0 8 0 pffrag 232 83 0 82 4 3 1 1 0 482 0 pffrnode 88 83 0 82 4 3 1 1 0 8 0 pffrent 40 253 0 252 4 3 1 1 0 8 0 pfosfp 40 1500 0 1076 5 0 5 5 0 8 0 pfosfpen 112 1500 0 714 23 0 23 23 0 8 0 pfrke_plain 168 24 0 24 3 3 0 1 0 8 0 pfrktable 1344 398 0 369 7 4 3 3 0 8 0 pftag 88 11 0 3 1 0 1 1 0 8 0 pfstitem 24 42 0 40 1 0 1 1 0 8 0 pfstkey 112 78 0 76 2 1 1 2 0 8 0 pfstate 320 58 0 56 3 2 1 3 0 8 0 pfrule 1360 264 0 194 7 1 6 6 0 8 0 art_heap8 4096 2 0 1 2 1 1 2 0 8 0 art_heap4 256 5517 0 5224 52 24 28 34 0 8 1 art_table 32 5519 0 5225 5 0 5 5 0 8 0 art_node 16 1326 0 1266 1 0 1 1 0 8 0 sysvmsgpl 40 11 0 5 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 1707 0 1697 1 0 1 1 0 8 0 shmpl 112 136 0 8 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 29607 0 28109 94 0 94 94 0 8 0 ffsino 272 29607 0 28109 101 0 101 101 0 8 0 nchpl 144 56847 0 55217 63 0 63 63 0 8 0 rtmask 32 32 0 32 3 3 0 1 0 8 0 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 vnodes 224 5926 0 0 349 0 349 349 0 8 0 namei 1024 196687 0 196686 14 13 1 2 0 8 0 percpumem 16 288 0 249 1 0 1 1 0 8 0 vcpupl 2048 330 0 0 42 0 42 42 0 8 0 vmpool 560 382 0 52 24 0 24 24 0 8 0 pfiaddrpl 120 119 0 80 2 0 2 2 0 8 0 scsiplug 72 5 0 5 2 2 0 1 0 8 0 scxspl 216 157299 0 157299 49 48 1 8 0 8 1 plimitpl 152 2148 0 2133 1 0 1 1 0 8 0 sigapl 424 18909 0 18863 10 3 7 8 0 8 0 futexpl 64 184801 0 184795 7 6 1 1 0 8 0 knotepl 120 934 0 0 14 3 11 11 0 8 0 kqueuepl 216 4459 0 4450 69 68 1 10 0 8 0 pipepl 336 3963 0 3935 78 75 3 9 0 8 0 fdescpl 496 18827 0 18797 6 2 4 5 0 8 0 filepl 152 136000 0 135753 202 189 13 23 0 8 3 lockfpl 104 5127 0 5125 11 10 1 3 0 8 0 lockfspl 48 1524 0 1522 1 0 1 1 0 8 0 sessionpl 144 96 0 79 1 0 1 1 0 8 0 pgrppl 48 260 0 243 1 0 1 1 0 8 0 ucredpl 96 14333 0 14321 1 0 1 1 0 8 0 zombiepl 144 18863 0 18863 11 10 1 1 0 8 1 processpl 1064 18909 0 18863 5 0 5 5 0 8 0 procpl 672 51134 0 51072 30 24 6 9 0 8 0 srpgc 96 86 0 86 16 16 0 1 0 8 0 sosppl 168 159 0 159 27 26 1 1 0 8 1 sockpl 480 33432 0 32843 666 587 79 98 0 8 4 mcl64k 65536 34 0 0 4 1 3 3 0 8 0 mcl16k 16384 17 0 0 3 0 3 3 0 8 0 mcl12k 12288 25 0 0 2 0 2 2 0 8 0 mcl9k 9216 25 0 0 2 0 2 2 0 8 0 mcl8k 8192 34 0 0 4 1 3 3 0 8 0 mcl4k 4096 26 0 0 4 1 3 3 0 8 0 mcl2k2 2112 18 0 0 2 0 2 2 0 8 0 mcl2k 2048 388 0 0 26 2 24 25 0 8 0 mtagpl 96 813 0 0 9 0 9 9 0 8 0 mbufpl 256 2065 0 0 87 0 87 87 0 8 0 bufpl 288 35959 0 29623 453 0 453 453 0 8 0 anonpl 24 5294845 0 5272937 353 205 148 162 0 186 0 amapchunkpl 152 573370 0 572497 152 113 39 48 0 158 4 amappl16 200 50638 0 49787 216 168 48 58 0 8 0 amappl15 192 2083 0 2075 1 0 1 1 0 8 0 amappl14 184 2279 0 2272 1 0 1 1 0 8 0 amappl13 176 1755 0 1753 1 0 1 1 0 8 0 amappl12 168 3573 0 3567 1 0 1 1 0 8 0 amappl11 160 2835 0 2817 1 0 1 1 0 8 0 amappl10 152 2348 0 2338 1 0 1 1 0 8 0 amappl9 144 2827 0 2822 1 0 1 1 0 8 0 amappl8 136 4689 0 4543 6 0 6 6 0 8 0 amappl7 128 2760 0 2746 1 0 1 1 0 8 0 amappl6 120 2759 0 2724 6 4 2 2 0 8 0 amappl5 112 18498 0 18477 1 0 1 1 0 8 0 amappl4 104 6928 0 6898 2 0 2 2 0 8 0 amappl3 96 5530 0 5515 1 0 1 1 0 8 0 amappl2 88 4772 0 4684 3 1 2 3 0 8 0 amappl1 80 338953 0 338349 25 11 14 19 0 8 0 amappl 88 231469 0 231086 9 0 9 9 0 92 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 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 72 138 0 8 3 0 3 3 0 8 0 uaddrrnd 24 19209 0 18849 3 0 3 3 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 19209 0 18849 3 0 3 3 0 8 0 vmmpekpl 168 134493 0 134391 6 1 5 5 0 8 0 vmmpepl 168 1756701 0 1752793 465 288 177 182 0 357 5 vmsppl 368 19208 0 18849 33 0 33 33 0 8 0 rwobjpl 56 413708 0 405556 136 18 118 119 0 8 0 pdppl 4096 38425 0 38028 1054 655 399 399 0 8 2 pvpl 32 8750130 0 8725225 604 390 214 250 0 265 0 pmappl 248 19208 0 18849 23 0 23 23 0 8 0 extentpl 40 58 0 38 1 0 1 1 0 8 0 phpool 112 2259 0 969 37 0 37 37 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 panic(ffffffff825739a5) at panic+0x177 sys/kern/subr_prf.c:202 __assert(ffffffff825e91ae,ffffffff82632dac,131,ffffffff825fdeb9) at __assert+0x25 sys/kern/subr_prf.c:161 tun_clone_destroy(ffff800000de2000) at tun_clone_destroy+0x278 sys/net/if_tun.c:305 if_clone_destroy(ffff80002e3ea210) at if_clone_destroy+0x132 sys/net/if.c:1218 soo_ioctl(fffffd8066f7f3a0,80206979,ffff80002e3ea210,ffff8000ffff37a8) at soo_ioctl+0x26c sys_ioctl(ffff8000ffff37a8,ffff80002e3ea328,ffff80002e3ea380) at sys_ioctl+0x4a2 syscall(ffff80002e3ea3f0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002e3ea3f0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xdcd41f7a7f0, count: -9 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffff800020ce8ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 acpicpu_idle() at acpicpu_idle+0x312 sys/dev/acpi/acpicpu.c:1206 sched_idle(ffff800020ce8ff0) at sched_idle+0x417 sys/kern/kern_sched.c:178 end trace frame: 0x0, count: 10 ddb{1}> trace x86_ipi_db(ffff800020ce8ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 acpicpu_idle() at acpicpu_idle+0x312 sys/dev/acpi/acpicpu.c:1206 sched_idle(ffff800020ce8ff0) at sched_idle+0x417 sys/kern/kern_sched.c:178 end trace frame: 0x0, count: -5