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 *473742 79637 0 0 0x4000000 0K syz-executor.5 db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 panic(ffffffff82575167) at panic+0x177 sys/kern/subr_prf.c:202 __assert(ffffffff825ebcec,ffffffff826368a5,131,ffffffff826012b2) at __assert+0x25 sys/kern/subr_prf.c:161 tun_clone_destroy(ffff800000e24800) at tun_clone_destroy+0x278 sys/net/if_tun.c:305 if_clone_destroy(ffff800027d49530) at if_clone_destroy+0x132 sys/net/if.c:1218 soo_ioctl(fffffd806c570868,80206979,ffff800027d49530,ffff8000ffff5260) at soo_ioctl+0x26c sys_ioctl(ffff8000ffff5260,ffff800027d49648,ffff800027d496a0) at sys_ioctl+0x4a2 syscall(ffff800027d49710) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800027d49710) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x26061e79840, 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(ffffffff82575167) at panic+0x177 sys/kern/subr_prf.c:202 __assert(ffffffff825ebcec,ffffffff826368a5,131,ffffffff826012b2) at __assert+0x25 sys/kern/subr_prf.c:161 tun_clone_destroy(ffff800000e24800) at tun_clone_destroy+0x278 sys/net/if_tun.c:305 if_clone_destroy(ffff800027d49530) at if_clone_destroy+0x132 sys/net/if.c:1218 soo_ioctl(fffffd806c570868,80206979,ffff800027d49530,ffff8000ffff5260) at soo_ioctl+0x26c sys_ioctl(ffff8000ffff5260,ffff800027d49648,ffff800027d496a0) at sys_ioctl+0x4a2 syscall(ffff800027d49710) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800027d49710) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x26061e79840, count: -9 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff800027d49340 rbx 0xffffffff828e2bff cpu_info_full_primary+0x2bff rdx 0xffff800000e29640 rcx 0 rax 0xffff8000ffff5260 r8 0 r9 0x8080808080808080 r10 0xa3d4248ba15d31e7 r11 0x85f52c1a81d4cbe5 r12 0xffffffff828e2a00 cpu_info_full_primary+0x2a00 r13 0 r14 0 r15 0x1 rip 0xffffffff81b52988 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800027d49330 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.5) pid=473742 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=82, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff42a0,0xffff80002e3d7a60 process=0xffff80002e3d8870 user=0xffff800027d44000, vmspace=0xfffffd806d7ff738 estcpu=32, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 78393 182911 90408 0 2 0 syz-executor.6 9525 92465 85915 0 2 0 syz-executor.2 9525 120624 85915 0 3 0x4000080 fsleep syz-executor.2 94044 236019 14562 0 2 0 syz-executor.4 94044 69865 14562 0 2 0x4000480 syz-executor.4 73112 77029 78677 0 2 0 syz-executor.7 73112 236652 78677 0 3 0x4000080 fsleep syz-executor.7 79637 477758 97920 0 2 0 syz-executor.5 *79637 473742 97920 0 7 0x4000000 syz-executor.5 14562 438058 76268 0 3 0x82 nanoslp syz-executor.4 71226 318584 76268 0 2 0x2 syz-executor.1 11748 445136 76268 0 2 0x482 syz-executor.3 97920 1991 76268 0 2 0x482 syz-executor.5 78677 149516 76268 0 2 0x482 syz-executor.7 40633 4247 76268 0 2 0x2 syz-executor.0 85915 462227 76268 0 2 0x482 syz-executor.2 90408 148567 76268 0 2 0x482 syz-executor.6 7230 212451 1 0 3 0x100083 ttyin getty 91974 378237 0 0 3 0x14200 bored sosplice 76268 489924 47656 0 3 0x82 nanoslp syz-fuzzer 76268 312677 47656 0 3 0x4000082 nanoslp syz-fuzzer 76268 374097 47656 0 3 0x4000082 thrsleep syz-fuzzer 76268 397718 47656 0 3 0x4000082 thrsleep syz-fuzzer 76268 201578 47656 0 3 0x4000082 kqread syz-fuzzer 76268 117730 47656 0 3 0x4000082 thrsleep syz-fuzzer 76268 204816 47656 0 3 0x4000082 thrsleep syz-fuzzer 76268 321766 47656 0 3 0x4000082 thrsleep syz-fuzzer 76268 153975 47656 0 3 0x4000082 thrsleep syz-fuzzer 76268 68353 47656 0 3 0x4000082 thrsleep syz-fuzzer 47656 286071 55227 0 3 0x10008a sigsusp ksh 55227 301609 60185 0 3 0x9a kqread sshd 60185 132095 1 0 3 0x88 kqread sshd 49692 417020 42988 74 3 0x100092 bpf pflogd 42988 326141 1 0 3 0x80 netio pflogd 24650 522924 79492 73 3 0x100090 kqread syslogd 79492 98206 1 0 3 0x100082 netio syslogd 42000 49556 1 0 3 0x100080 kqread resolvd 26777 58195 73419 77 2 0x100092 dhcpleased 63114 378801 73419 77 3 0x100092 kqread dhcpleased 73419 431045 1 0 3 0x80 kqread dhcpleased 3897 346613 0 0 3 0x14200 bored smr 19570 28568 0 0 2 0x14200 zerothread 23628 461751 0 0 3 0x14200 aiodoned aiodoned 40171 174323 0 0 3 0x14200 syncer update 29861 223871 0 0 3 0x14200 cleaner cleaner 63417 181408 0 0 3 0x14200 reaper reaper 77463 509736 0 0 3 0x14200 pgdaemon pagedaemon 86520 371179 0 0 3 0x14200 bored viomb 30415 102594 0 0 3 0x40014200 acpi0 acpi0 17471 293448 0 0 7 0x40014200 idle1 92294 349984 0 0 3 0x14200 bored softnet 49274 456200 0 0 3 0x14200 bored systqmp 99599 365892 0 0 3 0x14200 bored systq 32306 1282 0 0 2 0x40014200 softclock 16693 271343 0 0 3 0x40014200 idle0 1 357879 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 79637 (syz-executor.5) thread 0xffff8000ffff5260 (473742) exclusive rwlock clonelk r = 0 (0xffffffff829933a0) #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 (0xffffffff82b530e8) #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 71226 (syz-executor.1) thread 0xffff800021142008 (318584) exclusive rrwlock inode r = 0 (0xfffffd807cf9aa30) #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_mkdir+0xf4 sys/ufs/ufs/ufs_vnops.c:1162 #8 VOP_MKDIR+0xbf sys/kern/vfs_vops.c:404 #9 domkdirat+0x121 sys/kern/vfs_syscalls.c:3100 #10 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #10 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8067b0c1b8) #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 domkdirat+0x75 sys/kern/vfs_syscalls.c:3085 #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 Process 40633 (syz-executor.0) thread 0xffff8000ffff1510 (4247) exclusive rrwlock inode r = 0 (0xfffffd806b7693d8) #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 (0xfffffd806eaada38) #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 10229 6525K 7439K 78643K 87276 0 pcb 15 24K 30K 78643K 29478 0 rtable 313 41K 44K 78643K 13314 0 ifaddr 116 37K 44K 78643K 9806 0 sysctl 3 1K 3K 78643K 11 0 counters 54 35K 36K 78643K 1364 0 ioctlops 0 0K 8K 78643K 19890 0 iov 0 0K 24K 78643K 4924 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1503 94K 94K 78643K 28462 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 13K 78643K 512 0 VM map 2 1K 1K 78643K 2 0 sem 19 20K 36K 78643K 246 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 15 53K 89K 78643K 51102 0 sigio 0 0K 0K 78643K 619 0 proc 72 87K 136K 78643K 7160 0 subproc 104 6K 7K 78643K 2216 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 3089 0 in_multi 61 4K 7K 78643K 3476 0 ether_multi 1 0K 0K 78643K 516 0 mrt 2 0K 0K 78643K 303 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 259 1155K 1155K 78643K 259 0 exec 0 0K 2K 78643K 9855 0 pfkey data 0 0K 0K 78643K 3 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 794 1735K 1757K 78643K 633112 0 UVM aobj 131 4K 4K 78643K 134 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 3666 0 NDP 11 0K 2K 78643K 1105 0 temp 171 4787K 8869K 78643K 369637 0 kqueue 13 20K 28K 78643K 2967 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 3461 0 3458 46 45 1 3 0 8 0 rtentry 112 3003 0 2920 5 1 4 4 0 8 0 unpcb 136 31568 0 31553 331 325 6 9 0 8 5 syncache 296 126 0 126 39 39 0 1 0 8 0 sackhl 24 1 0 1 1 1 0 1 0 8 0 tcpqe 32 90 0 90 17 17 0 1 0 8 0 tcpcb 736 51448 0 51442 967 957 10 32 0 8 8 arp 120 475 0 457 1 0 1 1 0 8 0 inpcb 304 103690 0 103680 943 934 9 29 0 8 8 rttmr 72 90 0 90 26 26 0 1 0 8 0 nd6 48 654 0 639 1 0 1 1 0 8 0 pkpcb 40 469 0 469 30 30 0 1 0 8 0 kcovpl 48 168 0 160 1 0 1 1 0 8 0 ppxss 1248 284 0 284 60 59 1 1 0 8 1 pfstscr 40 230 0 230 27 26 1 1 0 8 1 pffrag 232 317 0 313 15 14 1 1 0 482 0 pffrnode 88 317 0 313 15 14 1 1 0 8 0 pffrent 40 1563 0 1559 15 14 1 1 0 8 0 pfosfp 40 1428 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfrke_plain 168 65 0 65 6 5 1 1 0 8 1 pfrktable 1344 1812 0 1762 35 30 5 5 0 8 0 pfpktdelay 88 181 0 181 3 3 0 2 0 8 0 pftag 88 38 0 19 3 2 1 1 0 8 0 pfqueue 264 3 0 3 1 1 0 1 0 8 0 pfstitem 24 93 0 91 1 0 1 1 0 8 0 pfstkey 112 464 0 462 2 1 1 2 0 8 0 pfstate 320 274 0 272 4 3 1 4 0 8 0 pfrule 1360 4802 0 3963 81 10 71 71 0 8 1 art_heap8 4096 4 0 2 4 2 2 3 0 8 0 art_heap4 256 12940 0 12633 80 53 27 32 0 8 0 art_table 32 12944 0 12635 6 1 5 5 0 8 0 art_node 16 2920 0 2850 1 0 1 1 0 8 0 sysvmsgpl 40 16 0 4 1 0 1 1 0 8 0 semupl 112 3 0 3 2 2 0 1 0 8 0 semapl 112 226 0 209 1 0 1 1 0 8 0 shmpl 112 131 0 3 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 68551 0 66986 100 1 99 99 0 8 0 ffsino 272 68551 0 66986 105 0 105 105 0 8 0 nchpl 144 134236 0 132607 63 0 63 63 0 8 0 rtmask 32 78 0 78 6 5 1 1 0 8 1 uvmvnodes 80 7099 0 0 145 0 145 145 0 8 0 vnodes 224 7099 0 0 418 0 418 418 0 8 0 namei 1024 508827 0 508826 20 19 1 2 0 8 0 percpumem 16 694 0 655 1 0 1 1 0 8 0 vcpupl 2048 433 0 3 54 0 54 54 0 8 0 vmpool 560 515 0 85 33 2 31 31 0 8 0 pfiaddrpl 120 1679 0 1431 16 8 8 8 0 8 0 scsiplug 72 4 0 4 1 1 0 1 0 8 0 scxspl 216 419474 0 419474 78 77 1 8 0 8 1 plimitpl 152 6106 0 6091 1 0 1 1 0 8 0 sigapl 424 51120 0 51077 8 1 7 8 0 8 0 futexpl 64 491254 0 491252 17 16 1 1 0 8 0 knotepl 120 1989 0 0 17 5 12 13 0 8 0 kqueuepl 216 13346 0 13336 272 267 5 8 0 8 4 pipepl 336 11843 0 11814 322 319 3 13 0 8 0 fdescpl 496 51072 0 51044 8 4 4 5 0 8 0 filepl 152 418080 0 417833 631 613 18 28 0 8 8 lockfpl 104 16151 0 16149 39 38 1 4 0 8 0 lockfspl 48 4096 0 4094 1 0 1 1 0 8 0 sessionpl 144 186 0 169 1 0 1 1 0 8 0 pgrppl 48 441 0 424 1 0 1 1 0 8 0 ucredpl 96 43064 0 43047 1 0 1 1 0 8 0 zombiepl 144 51077 0 51076 11 10 1 1 0 8 0 processpl 1064 51120 0 51076 5 0 5 5 0 8 0 procpl 672 136233 0 136176 43 36 7 10 0 8 1 srpgc 96 219 0 219 49 48 1 1 0 8 1 sosppl 168 402 0 402 68 68 0 1 0 8 0 sockpl 480 139768 0 139737 2707 2694 13 49 0 8 8 mcl64k 65536 43 0 0 3 0 3 3 0 8 0 mcl16k 16384 33 0 0 5 2 3 3 0 8 0 mcl12k 12288 46 0 0 2 0 2 2 0 8 0 mcl9k 9216 41 0 0 3 1 2 2 0 8 0 mcl8k 8192 17 0 0 3 0 3 3 0 8 0 mcl4k 4096 65 0 0 4 1 3 3 0 8 0 mcl2k2 2112 13 0 0 1 0 1 1 0 8 0 mcl2k 2048 815 0 0 28 8 20 27 0 8 0 mtagpl 96 2448 0 0 19 2 17 19 0 8 0 mbufpl 256 5095 0 0 203 0 203 203 0 8 0 bufpl 288 81519 0 75178 508 12 496 508 0 8 0 anonpl 24 14302735 0 14277077 758 573 185 201 0 186 17 amapchunkpl 152 1615709 0 1614829 361 319 42 66 0 158 3 amappl16 200 139720 0 138711 395 328 67 69 0 8 6 amappl15 192 10840 0 10833 1 0 1 1 0 8 0 amappl14 184 11389 0 11383 1 0 1 1 0 8 0 amappl13 176 6238 0 6233 1 0 1 1 0 8 0 amappl12 168 4253 0 4248 1 0 1 1 0 8 0 amappl11 160 8723 0 8708 1 0 1 1 0 8 0 amappl10 152 4820 0 4804 1 0 1 1 0 8 0 amappl9 144 2984 0 2980 1 0 1 1 0 8 0 amappl8 136 12520 0 12238 11 1 10 10 0 8 0 amappl7 128 8135 0 8119 1 0 1 1 0 8 0 amappl6 120 3320 0 3276 5 3 2 2 0 8 0 amappl5 112 43350 0 43326 1 0 1 1 0 8 0 amappl4 104 22648 0 22606 2 0 2 2 0 8 0 amappl3 96 10133 0 10117 1 0 1 1 0 8 0 amappl2 88 11252 0 11176 3 1 2 3 0 8 0 amappl1 80 910412 0 909840 20 6 14 19 0 8 0 amappl 88 628878 0 628505 12 2 10 10 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 72 133 0 3 3 0 3 3 0 8 0 uaddrrnd 24 51587 0 51129 3 0 3 3 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 51587 0 51129 3 0 3 3 0 8 0 vmmpekpl 168 342011 0 341906 7 1 6 6 0 8 0 vmmpepl 168 4659819 0 4653866 1060 770 290 339 0 357 0 vmsppl 368 51586 0 51129 43 1 42 42 0 8 0 rwobjpl 56 1095152 0 1085564 205 65 140 140 0 8 0 pdppl 4096 103181 0 102688 2113 1614 499 501 0 8 6 pvpl 32 24095073 0 24069992 1093 847 246 334 0 265 22 pmappl 248 51586 0 51129 30 1 29 29 0 8 0 extentpl 40 58 0 38 1 0 1 1 0 8 0 phpool 112 4649 0 3001 48 0 48 48 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(ffffffff82575167) at panic+0x177 sys/kern/subr_prf.c:202 __assert(ffffffff825ebcec,ffffffff826368a5,131,ffffffff826012b2) at __assert+0x25 sys/kern/subr_prf.c:161 tun_clone_destroy(ffff800000e24800) at tun_clone_destroy+0x278 sys/net/if_tun.c:305 if_clone_destroy(ffff800027d49530) at if_clone_destroy+0x132 sys/net/if.c:1218 soo_ioctl(fffffd806c570868,80206979,ffff800027d49530,ffff8000ffff5260) at soo_ioctl+0x26c sys_ioctl(ffff8000ffff5260,ffff800027d49648,ffff800027d496a0) at sys_ioctl+0x4a2 syscall(ffff800027d49710) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800027d49710) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x26061e79840, 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