kernel: protection fault trap, code=0 Stopped at bpfdetach+0x70: movq 0(%r15),%r12 ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic the kernel did not panic ddb{0}> trace bpfdetach(ffff800001485800) at bpfdetach+0x70 sys/net/bpf.c:1778 if_detach(ffff800001485800) at if_detach+0x153 sys/net/if.c:1212 tun_clone_destroy(ffff800001485800) at tun_clone_destroy+0x2d6 sys/net/if_tun.c:346 if_clone_destroy(ffff80003c419da0) at if_clone_destroy+0x1d7 sys/net/if.c:1401 ifioctl(ffff8000014ce2f8,80206979,ffff80003c419da0,ffff8000fffe4f88) at ifioctl+0x5c5 sys/net/if.c:-1 sys_ioctl(ffff8000fffe4f88,ffff80003c419f80,ffff80003c419ed0) at sys_ioctl+0x5c3 sys/kern/sys_generic.c:-1 syscall(ffff80003c419f80) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c419f80) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7bb8d5b6b90, count: -8 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff80003c419bc0 rbx 0x80206979 __kernel_virt_to_phys+0x206979 rdx 0 rcx 0xffff8000fffe4f88 rax 0xffffffff838b9ff0 cpu_info_full_primary+0x1ff0 r8 0 r9 0 r10 0 r11 0x35650c1cb2a83959 r12 0xdead0002deadbeef r13 0x800 r14 0xffff800001485800 r15 0xdead0002deadbeef rip 0xffffffff82f61130 bpfdetach+0x70 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80003c419b90 ss 0x10 bpfdetach+0x70: movq 0(%r15),%r12 ddb{0}> show proc PROC (syz-executor) tid=509136 pid=78834 tcnt=3 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=81, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000fffd82c8,0xffff8000fffe4d08 process=0xffff8000fffe3408 user=0xffff80003c415000, vmspace=0xfffffd8061f5fd48 estcpu=31, cpticks=0, pctcpu=0.1, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 66245 282881 96269 0 2 0 syz-executor 66245 312678 96269 0 2 0x4000000 syz-executor 66245 317162 96269 0 3 0x4000080 fsleep syz-executor 77592 169842 71969 0 2 0 syz-executor 77592 206956 71969 0 3 0x4000080 fsleep syz-executor 78834 389189 97909 0 2 0 syz-executor *78834 509136 97909 0 7 0x4000000 syz-executor 78834 70104 97909 0 3 0x4000000 clonelk syz-executor 12998 334145 93475 0 7 0 syz-executor 12998 290613 93475 0 3 0x4000080 kqpoll syz-executor 12998 84900 93475 0 3 0x4000080 fsleep syz-executor 89143 209339 68240 0 2 0 syz-executor 89143 439522 68240 0 3 0x4000080 lockf syz-executor 89143 304742 68240 0 3 0x4000080 fsleep syz-executor 21695 364817 0 0 3 0x14280 nfsidl nfsio 78660 436017 0 0 3 0x14280 nfsidl nfsio 14522 267607 0 0 3 0x14280 nfsidl nfsio 3972 143235 0 0 3 0x14280 nfsidl nfsio 67195 375858 0 0 3 0x14280 nfsidl nfsio 26148 219643 0 0 3 0x14280 nfsidl nfsio 64872 160272 0 0 3 0x14280 nfsidl nfsio 80801 517206 0 0 3 0x14280 nfsidl nfsio 66120 387546 0 0 3 0x14280 nfsidl nfsio 49698 332689 0 0 3 0x14280 nfsidl nfsio 30919 152204 0 0 3 0x14280 nfsidl nfsio 39170 276056 0 0 3 0x14280 nfsidl nfsio 10475 391976 0 0 3 0x14280 nfsidl nfsio 70587 334671 0 0 3 0x14280 nfsidl nfsio 34271 25973 0 0 3 0x14280 nfsidl nfsio 42144 13428 0 0 3 0x14280 nfsidl nfsio 43235 312813 0 0 3 0x14280 nfsidl nfsio 62351 470126 0 0 3 0x14280 nfsidl nfsio 39654 427298 0 0 3 0x14280 nfsidl nfsio 75842 96035 0 0 3 0x14280 nfsidl nfsio 62597 41075 0 0 3 0x14200 bored sosplice 97909 60539 21792 0 2 0xc82 syz-executor 68240 439282 21792 0 2 0xc82 syz-executor 96269 46128 21792 0 2 0xc82 syz-executor 13385 2526 21792 0 2 0xc82 syz-executor 62618 239281 21792 0 2 0x2 syz-executor 71969 10161 21792 0 2 0xc82 syz-executor 1247 513072 21792 0 2 0x2 syz-executor 93475 506225 21792 0 2 0xc82 syz-executor 21792 109429 72414 0 3 0x82 kqread syz-executor 72414 220795 93186 0 3 0x10008a sigsusp ksh 93186 193718 91253 0 3 0x98 kqread sshd-session 91253 280662 98951 0 3 0x92 kqread sshd-session 70384 96344 1 0 3 0x100083 ttyin getty 98951 473631 1 0 3 0x88 kqread sshd 38915 483034 17174 74 3 0x1100092 bpf pflogd 17174 6151 1 0 3 0x80 sbwait pflogd 90680 298411 1969 73 3 0x1100090 kqread syslogd 1969 391158 1 0 3 0x100082 sbwait syslogd 77070 219801 1 0 3 0x100080 kqread resolvd 78237 179099 45321 77 3 0x100092 kqread dhcpleased 13643 130262 45321 77 3 0x100092 kqread dhcpleased 45321 266744 1 0 3 0x80 kqread dhcpleased 56040 62330 0 0 3 0x14200 bored smr 42181 43465 0 0 2 0x14200 zerothread 9570 136528 0 0 3 0x14200 aiodoned aiodoned 44472 513896 0 0 3 0x14200 syncer update 32886 462675 0 0 3 0x14200 cleaner cleaner 62917 210492 0 0 3 0x14200 reaper reaper 6514 196017 0 0 3 0x14200 pgdaemon pagedaemon 42212 59923 0 0 3 0x14200 bored viomb 95127 414022 0 0 3 0x40014200 acpi0 acpi0 2659 293559 0 0 3 0x40014200 idle1 49046 95276 0 0 3 0x14200 bored softnet3 20963 121722 0 0 3 0x14200 bored softnet2 92674 519687 0 0 3 0x14200 bored softnet1 28142 169103 0 0 2 0x14200 softnet0 47378 464982 0 0 3 0x14200 bored systqmp 40380 255326 0 0 3 0x14200 bored systq 76978 161804 0 0 3 0x14200 tmoslp softclockmp 77316 353056 0 0 2 0x40014200 softclock 12606 30604 0 0 3 0x40014200 idle0 1 307292 0 0 3 0x80082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 78834 (syz-executor) thread 0xffff8000fffe4f88 (509136) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83961eb8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 #2 mi_switch+0x4b7 sys/kern/sched_bsd.c:441 #3 sleep_finish+0x24f sys/kern/kern_synch.c:412 #4 rw_do_enter_write+0x1de sys/kern/kern_rwlock.c:292 #5 bpf_detachd+0x1b5 sys/net/bpf.c:353 #6 bpfclose+0x101 sys/net/bpf.c:425 #7 spec_close+0x45f sys/kern/spec_vnops.c:-1 #8 VOP_CLOSE+0x133 sys/kern/vfs_vops.c:156 #9 vclean+0x20f sys/kern/vfs_subr.c:1090 #10 vgonel+0xb0 sys/kern/vfs_subr.c:1192 #11 vop_generic_revoke+0x3e6 sys/kern/vfs_default.c:124 #12 VOP_REVOKE+0x65 sys/kern/vfs_vops.c:291 #13 vdevgone+0x17b sys/kern/vfs_subr.c:-1 #14 bpfsdetach+0x140 sys/net/bpf.c:1802 #15 bpfdetach+0xa6 sys/net/bpf.c:-1 #16 if_detach+0x153 sys/net/if.c:1212 #17 tun_clone_destroy+0x2d6 sys/net/if_tun.c:346 #18 if_clone_destroy+0x1d7 sys/net/if.c:1401 exclusive rwlock clonelk r = 0 (0xffffffff83813548) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 if_clone_destroy+0x67 sys/net/if.c:-1 #3 ifioctl+0x5c5 sys/net/if.c:-1 #4 sys_ioctl+0x5c3 sys/kern/sys_generic.c:-1 #5 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #5 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579 #6 Xsyscall+0x128 Process 12998 (syz-executor) thread 0xffff8000fffd9748 (334145) exclusive rwlock uobjlk r = 0 (0xfffffd806bec69c0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 uvm_fault+0x1e9 sys/uvm/uvm_fault.c:699 #3 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 #4 usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 #5 recall_trap+0x8 shared rwlock vmmaplk r = 0 (0xfffffd8061f5f128) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_read+0x3af sys/kern/kern_rwlock.c:405 #2 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1924 #3 uvm_fault_check+0x4a sys/uvm/uvm_fault.c:741 #4 uvm_fault+0x106 sys/uvm/uvm_fault.c:677 #5 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 #6 usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 #7 recall_trap+0x8 Process 62618 (syz-executor) thread 0xffff80002a2af728 (239281) exclusive rrwlock inode r = 0 (0xfffffd806ddc8770) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:527 #4 ufs_ihashins+0x4f ufs_ihash sys/ufs/ufs/ufs_ihash.c:-1 [inline] #4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:159 #5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1230 #6 ffs_inode_alloc+0x283 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0x113 sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3109 #10 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb08 sys/arch/amd64/amd64/trap.c:579 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd80706b19d8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 #6 namei+0x7aa sys/kern/vfs_lookup.c:250 #7 domkdirat+0x8b sys/kern/vfs_syscalls.c:3094 #8 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb08 sys/arch/amd64/amd64/trap.c:579 #9 Xsyscall+0x128 Process 1247 (syz-executor) thread 0xffff80002a2af208 (513072) exclusive rrwlock inode r = 0 (0xfffffd806a34c880) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vget+0x2bd sys/kern/vfs_subr.c:693 #6 cache_lookup+0x36e sys/kern/vfs_cache.c:222 #7 ufs_lookup+0x21b sys/ufs/ufs/ufs_lookup.c:160 #8 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #9 vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 #10 namei+0x7aa sys/kern/vfs_lookup.c:250 #11 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1864 #12 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #12 syscall+0xb08 sys/arch/amd64/amd64/trap.c:579 #13 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10223 11227K 11352K 166960K 11852 0 pcb 18 13K 14K 166960K 104 0 rtable 171 8K 8K 166960K 420 0 pf 33 17K 18K 166960K 75 0 ifaddr 32 5K 7K 166960K 59 0 ifgroup 45 2K 2K 166960K 83 0 sysctl 1 1K 9K 166960K 7 0 counters 66 36K 37K 166960K 108 0 ioctlops 0 0K 4K 166960K 1535 0 iov 0 0K 24K 166960K 25 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1393 88K 88K 166960K 1918 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 2K 7K 166960K 12 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 14 0 dirhash 12 2K 3K 166960K 39 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 16 57K 89K 166960K 489 0 sigio 0 0K 0K 166960K 14 0 proc 72 91K 128K 166960K 554 0 subproc 72 4K 4K 166960K 72 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 1 0K 0K 166960K 54 0 in_multi 63 4K 7K 166960K 103 0 ether_multi 1 0K 0K 166960K 1 0 mrt 0 0K 0K 166960K 2 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 223 996K 996K 166960K 223 0 exec 0 0K 1K 166960K 565 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 237 165K 174K 166960K 6191 0 UVM aobj 14 2K 2K 166960K 15 0 pinsyscall 41 82K 101K 166960K 1612 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 19 0 NDP 10 0K 2K 166960K 39 0 temp 44 8663K 8786K 166960K 11387 0 kqueue 13 20K 28K 166960K 93 0 SYN cache 2 16K 16K 166960K 2 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 26 0 0 1 0 1 1 0 8 0 rtpcb 120 165 0 162 2 1 1 2 0 8 0 rtentry 176 123 0 52 6 0 6 6 0 8 0 unpcb 144 465 0 447 6 2 4 6 0 8 3 syncache 336 4 0 4 2 1 1 1 0 8 1 tcpqe 32 1 0 1 1 0 1 1 0 8 1 tcpcb 808 186 0 180 8 0 8 8 0 8 7 arp 128 19 0 7 1 0 1 1 0 8 0 inpcb 384 451 0 438 8 0 8 8 0 8 6 nd6 144 27 0 10 1 0 1 1 0 8 0 pkpcb 40 6 0 5 1 0 1 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1192 19 0 16 1 0 1 1 0 8 0 pppxif 1504 1 0 1 1 1 0 1 0 8 0 pfstscr 40 2 0 2 1 0 1 1 0 8 1 pffrag 232 2 0 0 1 0 1 1 0 482 0 pffrnode 88 2 0 0 1 0 1 1 0 8 0 pffrent 40 2 0 0 1 0 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 pfrktable 1344 1 0 0 1 0 1 1 0 8 0 pftag 88 1 0 0 1 0 1 1 0 8 0 pfstitem 24 32 0 1 1 0 1 1 0 8 0 pfstkey 128 34 0 3 1 0 1 1 0 8 0 pfstate 384 33 0 2 4 0 4 4 0 8 0 pfrule 1344 23 0 17 2 1 1 2 0 8 0 rttmr 136 1 0 1 1 1 0 1 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 479 0 190 29 1 28 29 0 8 2 art_table 32 481 0 190 4 0 4 4 0 8 0 art_node 16 120 0 57 1 0 1 1 0 8 0 sysvmsgpl 40 5 0 2 1 0 1 1 0 8 0 semapl 112 12 0 2 1 0 1 1 0 8 0 shmpl 112 12 0 1 1 0 1 1 0 8 0 dirhash 1024 36 0 19 3 0 3 3 0 8 0 dino2pl 256 2393 0 890 95 0 95 95 0 8 0 ffsino 288 2393 0 890 109 0 109 109 0 8 0 nchpl 144 3051 0 1358 63 0 63 63 0 8 0 rtmask 32 7 0 6 1 0 1 1 0 8 0 uvmvnodes 80 2747 0 0 57 0 57 57 0 8 0 vnodes 216 2747 0 0 153 0 153 153 0 8 0 namei 1024 10816 0 10815 2 1 1 2 0 8 0 percpumem 16 69 0 21 1 0 1 1 0 8 0 kstatmem 264 48 0 26 3 1 2 3 0 8 0 scsiplug 72 1 0 1 1 1 0 1 0 8 0 scxspl 216 9350 0 9350 3 2 1 2 1 8 1 plimitpl 152 59 0 41 1 0 1 1 0 8 0 sigapl 424 821 0 752 9 0 9 9 0 8 0 knotepl 120 781 0 0 24 0 24 24 0 8 0 kqueuepl 224 278 0 268 5 0 5 5 0 8 4 pipepl 336 239 0 212 8 0 8 8 0 8 5 fdescpl 520 782 0 752 3 0 3 3 0 8 0 filepl 160 5409 0 5183 21 3 18 20 0 8 8 lockfpl 104 133 0 129 1 0 1 1 0 8 0 lockfspl 48 50 0 47 1 0 1 1 0 8 0 sessionpl 144 23 0 14 1 0 1 1 0 8 0 pgrppl 48 36 0 19 1 0 1 1 0 8 0 ucredpl 104 1000 0 987 1 0 1 1 0 8 0 zombiepl 144 753 0 752 1 0 1 1 0 8 0 processpl 1208 821 0 752 6 0 6 6 0 8 0 procpl 656 1475 0 1397 8 0 8 8 0 8 0 srpgc 96 8 0 8 2 1 1 1 0 8 1 sosppl 168 7 0 5 1 0 1 1 0 8 0 sockpl 728 1091 0 1056 21 9 12 16 0 8 8 mcl64k 65536 5 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 129 0 0 17 0 17 17 0 8 0 mcl2k 2048 19 0 0 3 0 3 3 0 8 0 mtagpl 96 11 0 0 1 0 1 1 0 8 0 mbufpl 256 454 0 0 29 0 29 29 0 8 0 bufpl 280 3005 0 125 206 0 206 206 0 8 0 anonpl 32 7492 0 0 62 1 61 62 0 246 0 amapchunkpl 152 20065 0 19469 28 0 28 28 0 158 3 amappl16 200 2602 0 2575 13 6 7 11 0 8 3 amappl15 192 5 0 5 2 1 1 1 0 8 1 amappl14 184 115 0 103 1 0 1 1 0 8 0 amappl13 176 4 0 4 1 1 0 1 0 8 0 amappl12 168 1439 0 1409 3 1 2 2 0 8 0 amappl11 160 49 0 35 1 0 1 1 0 8 0 amappl10 152 8 0 8 1 1 0 1 0 8 0 amappl9 144 324 0 324 1 1 0 1 0 8 0 amappl8 136 51 0 48 1 0 1 1 0 8 0 amappl7 128 110 0 97 1 0 1 1 0 8 0 amappl6 120 185 0 181 1 0 1 1 0 8 0 amappl5 112 121 0 111 1 0 1 1 0 8 0 amappl4 104 326 0 307 1 0 1 1 0 8 0 amappl3 96 3710 0 3600 5 1 4 4 0 8 0 amappl2 88 653 0 591 2 0 2 2 0 8 0 amappl1 80 10079 0 9482 16 1 15 15 0 8 1 amappl 88 5412 0 5250 5 0 5 5 0 92 0 dma8192 8192 1 0 1 1 0 1 1 0 8 1 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 128 254 0 254 2 2 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 14 0 1 1 0 1 1 0 8 0 uaddrrnd 24 782 0 752 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 782 0 752 1 0 1 1 0 8 0 vmmpekpl 168 8466 0 8433 3 0 3 3 0 8 0 vmmpepl 168 55608 0 53678 96 3 93 96 0 357 0 vmsppl 480 781 0 752 6 1 5 5 0 8 1 rwobjpl 72 19864 0 16180 68 0 68 68 0 8 0 pdppl 4096 1571 0 1504 101 30 71 83 0 8 4 pvpl 32 15061 0 0 123 1 122 122 0 265 0 pmappl 256 781 0 752 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 417 0 35 11 0 11 11 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace bpfdetach(ffff800001485800) at bpfdetach+0x70 sys/net/bpf.c:1778 if_detach(ffff800001485800) at if_detach+0x153 sys/net/if.c:1212 tun_clone_destroy(ffff800001485800) at tun_clone_destroy+0x2d6 sys/net/if_tun.c:346 if_clone_destroy(ffff80003c419da0) at if_clone_destroy+0x1d7 sys/net/if.c:1401 ifioctl(ffff8000014ce2f8,80206979,ffff80003c419da0,ffff8000fffe4f88) at ifioctl+0x5c5 sys/net/if.c:-1 sys_ioctl(ffff8000fffe4f88,ffff80003c419f80,ffff80003c419ed0) at sys_ioctl+0x5c3 sys/kern/sys_generic.c:-1 syscall(ffff80003c419f80) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c419f80) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7bb8d5b6b90, count: -8 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp ddb{1}> trace x86_ipi_db(ffff8000299ddff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff83961cb0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83961cb0) at __mp_lock+0x192 sys/kern/kern_lock.c:144 uvm_fault(fffffd8061f5f028,8944f3c0000,0,1) at uvm_fault+0x1ee sys/uvm/uvm_fault.c:700 upageflttrap(ffff80003c441f90,8944f3c0000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80003c441f90) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7903f92cc9c0, count: -8