kernel: protection fault trap, code=0 Stopped at bpfdetach+0x70: movq 0(%r15),%r12 ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic the kernel did not panic ddb{1}> trace bpfdetach(ffff8000014a5800) at bpfdetach+0x70 sys/net/bpf.c:1770 if_detach(ffff8000014a5800) at if_detach+0x12b sys/net/if.c:1288 tun_clone_destroy(ffff8000014a5800) at tun_clone_destroy+0x2ce sys/net/if_tun.c:347 if_clone_destroy(ffff80003c453aa0) at if_clone_destroy+0x205 sys/net/if.c:1478 ifioctl(ffff80000158fae0,80206979,ffff80003c453aa0,ffff80003bfee560) at ifioctl+0x59d sys/net/if.c:2159 sys_ioctl(ffff80003bfee560,ffff80003c453c80,ffff80003c453bd0) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff80003c453c80) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c453c80) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x291aeefb60, count: -8 ddb{1}> show registers rdi 0xffff8000353db000 rsi 0x19f62 acpi_pdirpa+0x5dd3 rbp 0xffff80003c4538c0 rbx 0x80206979 __kernel_virt_to_phys+0x206979 rdx 0xffff8000353db000 rcx 0x19f61 acpi_pdirpa+0x5dd2 rax 0xffffffff83130bc9 bpfdetach+0xb9 r8 0 r9 0xffffffffffffffff r10 0x7b94c4193a3abcbc r11 0x61cd57804c9475ef r12 0xdead0002dead4110 r13 0xffff8000014a5e00 r14 0xffff8000014a5800 r15 0xdead0002dead4110 rip 0xffffffff83130b80 bpfdetach+0x70 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80003c453890 ss 0x10 bpfdetach+0x70: movq 0(%r15),%r12 ddb{1}> show proc PROC (syz-executor) tid=473004 pid=16942 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003bfef258,0xffff80003bfeeaa0 process=0xffff80003c401d08 user=0xffff80003c44e000, vmspace=0xfffffd806a1005d8 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 6842 27639 58639 0 2 0 syz-executor 6842 216681 58639 0 2 0x4000000 syz-executor 6842 478613 58639 0 3 0x4000000 vmmaplk syz-executor 16942 298314 66148 0 3 0x80 nanoslp syz-executor *16942 473004 66148 0 7 0x4000000 syz-executor 27275 428414 0 0 3 0x14280 nfsidl nfsio 56422 502834 13434 0 2 0 syz-executor 56422 127198 13434 0 3 0x4000080 kqread syz-executor 56422 435739 13434 0 3 0x4000080 fsleep syz-executor 56422 497865 13434 0 3 0x4000080 fsleep syz-executor 3042 117056 0 0 3 0x14280 nfsidl nfsio 62435 194421 0 0 3 0x14280 nfsidl nfsio 39290 282156 0 0 3 0x14280 nfsidl nfsio 684 202510 0 0 3 0x14280 nfsidl nfsio 97494 387587 0 0 3 0x14280 nfsidl nfsio 20629 39442 0 0 3 0x14280 nfsidl nfsio 22338 502420 0 0 3 0x14280 nfsidl nfsio 72754 305432 0 0 3 0x14280 nfsidl nfsio 21014 151379 0 0 3 0x14280 nfsidl nfsio 65005 367508 0 0 3 0x14280 nfsidl nfsio 63220 28744 0 0 3 0x14280 nfsidl nfsio 5708 321031 0 0 3 0x14280 nfsidl nfsio 31507 315051 0 0 3 0x14280 nfsidl nfsio 19376 119435 0 0 3 0x14280 nfsidl nfsio 99734 153157 0 0 3 0x14280 nfsidl nfsio 55964 424554 0 0 3 0x14280 nfsidl nfsio 8324 515485 0 0 3 0x14280 nfsidl nfsio 97401 343896 0 0 3 0x14280 nfsidl nfsio 30658 523214 0 0 3 0x14280 nfsidl nfsio 96786 429274 0 0 3 0x14200 acct acct 95833 116636 1 0 3 0x100083 ttyin getty 13434 162301 10431 0 3 0x82 nanoslp syz-executor 66148 100313 10431 0 3 0x82 nanoslp syz-executor 69826 32786 10431 0 2 0x2 syz-executor 2676 449934 10431 0 2 0x2 syz-executor 58639 365087 10431 0 3 0x82 nanoslp syz-executor 50668 249874 10431 0 2 0x2 syz-executor 85206 40099 10431 0 3 0x82 nanoslp syz-executor 79057 281755 10431 0 2 0x2 syz-executor 10431 268583 31946 0 3 0x82 kqread syz-executor 31946 457777 44821 0 3 0x10008a sigsusp ksh 44821 212227 16406 0 3 0x98 kqread sshd-session 16406 45385 96380 0 3 0x92 kqread sshd-session 96380 5915 1 0 3 0x88 kqread sshd 50719 82110 38480 74 3 0x1100092 bpf pflogd 38480 193478 1 0 3 0x80 sbwait pflogd 69045 234302 14438 73 3 0x1100090 kqread syslogd 14438 256833 1 0 3 0x100082 sbwait syslogd 50739 356294 1 0 3 0x100080 kqread resolvd 63452 517143 5451 77 3 0x100092 kqread dhcpleased 63333 439705 5451 77 3 0x100092 kqread dhcpleased 5451 240527 1 0 3 0x80 kqread dhcpleased 6336 84791 0 0 3 0x14200 bored smr 75428 408350 0 0 3 0x14200 pgzero zerothread 56326 155793 0 0 3 0x14200 aiodoned aiodoned 80700 385986 0 0 3 0x14200 syncer update 70640 309785 0 0 3 0x14200 cleaner cleaner 27628 180375 0 0 3 0x14200 reaper reaper 25877 254295 0 0 3 0x14200 pgdaemon pagedaemon 9285 363141 0 0 3 0x14200 bored viomb 62636 373510 0 0 3 0x40014200 acpi0 acpi0 75101 116144 0 0 3 0x40014200 idle1 12490 170399 0 0 3 0x14200 bored softnet1 33712 318955 0 0 2 0x14200 softnet0 37266 127680 0 0 3 0x14200 smrbar systqmp 35462 309183 0 0 3 0x14200 bored systq 16843 227202 0 0 3 0x14200 tmoslp softclockmp 30758 20732 0 0 3 0x40014200 tmoslp softclock 77622 289183 0 0 3 0x40014200 idle0 1 82046 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 6842 (syz-executor) thread 0xffff8000fffe9ca8 (216681) exclusive rwlock vmmaplk r = 0 (0xfffffd806ec374e0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_read+0x3e8 sys/kern/kern_rwlock.c:413 #2 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1880 #3 uvm_fault_check+0x4f sys/uvm/uvm_fault.c:693 #4 uvm_fault+0x106 sys/uvm/uvm_fault.c:627 #5 kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:283 #6 kerntrap+0x19c sys/arch/amd64/amd64/trap.c:520 #7 alltraps_kern_meltdown+0x7b #8 copyout+0x64 #9 mmrw+0x3d6 sys/arch/amd64/amd64/mem.c:-1 #10 spec_read+0x14b sys/kern/spec_vnops.c:215 #11 VOP_READ+0x101 sys/kern/vfs_vops.c:227 #12 vn_read+0x17b sys/kern/vfs_vnops.c:369 #13 dofilereadv+0x25a sys/kern/sys_generic.c:252 #14 sys_preadv+0xe3 sys/kern/vfs_syscalls.c:3336 #15 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #15 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 #16 Xsyscall+0x128 Process 16942 (syz-executor) thread 0xffff80003bfee560 (473004) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83983188) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 #2 sleep_finish+0x2d8 sys/kern/kern_synch.c:369 #3 rw_do_enter_write+0x1dc sys/kern/kern_rwlock.c:298 #4 lf_purgelocks+0x2f sys/kern/vfs_lockf.c:731 #5 vgonel+0x47e sys/kern/vfs_subr.c:1216 #6 vop_generic_revoke+0x3ea sys/kern/vfs_default.c:124 #7 VOP_REVOKE+0x65 sys/kern/vfs_vops.c:291 #8 vdevgone+0x17b sys/kern/vfs_subr.c:-1 #9 bpfsdetach+0x155 sys/net/bpf.c:1794 #10 bpfdetach+0xa6 sys/net/bpf.c:-1 #11 if_detach+0x12b sys/net/if.c:1288 #12 tun_clone_destroy+0x2ce sys/net/if_tun.c:347 #13 if_clone_destroy+0x205 sys/net/if.c:1478 #14 ifioctl+0x59d sys/net/if.c:2159 #15 sys_ioctl+0x674 sys/kern/sys_generic.c:-1 #16 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #16 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 #17 Xsyscall+0x128 exclusive rwlock clonelk r = 0 (0xffffffff8386ea58) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 if_clone_destroy+0x93 sys/net/if.c:-1 #3 ifioctl+0x59d sys/net/if.c:2159 #4 sys_ioctl+0x674 sys/kern/sys_generic.c:-1 #5 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #5 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 #6 Xsyscall+0x128 Process 69826 (syz-executor) thread 0xffff80002a260fa8 (32786) exclusive rrwlock inode r = 0 (0xfffffd8068bdeec8) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vget+0x2a2 sys/kern/vfs_subr.c:686 #6 cache_lookup+0x351 sys/kern/vfs_cache.c:222 #7 ufs_lookup+0x1e3 sys/ufs/ufs/ufs_lookup.c:160 #8 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #9 vfs_lookup+0x93a sys/kern/vfs_lookup.c:566 #10 namei+0x7ca sys/kern/vfs_lookup.c:250 #11 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1868 #12 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #12 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #13 Xsyscall+0x128 Process 2676 (syz-executor) thread 0xffff80002a261770 (449934) exclusive rwlock vmmaplk r = 0 (0xfffffd806a100308) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5163 #3 uvmspace_fork+0x12b sys/uvm/uvm_map.c:3741 #4 process_new+0x577 sys/kern/kern_fork.c:281 #5 fork1+0x3f6 sys/kern/kern_fork.c:-1 #6 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #7 Xsyscall+0x128 exclusive rwlock vmmaplk r = 0 (0xfffffd800b0632e8) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5163 #3 uvmspace_fork+0x44 sys/uvm/uvm_map.c:3732 #4 process_new+0x577 sys/kern/kern_fork.c:281 #5 fork1+0x3f6 sys/kern/kern_fork.c:-1 #6 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #7 Xsyscall+0x128 Process 50668 (syz-executor) thread 0xffff8000ffffdc90 (249874) exclusive rrwlock inode r = 0 (0xfffffd8068bde460) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vget+0x2a2 sys/kern/vfs_subr.c:686 #6 cache_lookup+0x351 sys/kern/vfs_cache.c:222 #7 ufs_lookup+0x1e3 sys/ufs/ufs/ufs_lookup.c:160 #8 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #9 vfs_lookup+0x93a sys/kern/vfs_lookup.c:566 #10 namei+0x7ca sys/kern/vfs_lookup.c:250 #11 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1868 #12 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #12 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #13 Xsyscall+0x128 Process 79057 (syz-executor) thread 0xffff8000ffffc008 (281755) exclusive rrwlock inode r = 0 (0xfffffd8068bde0e8) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vget+0x2a2 sys/kern/vfs_subr.c:686 #6 cache_lookup+0x351 sys/kern/vfs_cache.c:222 #7 ufs_lookup+0x1e3 sys/ufs/ufs/ufs_lookup.c:160 #8 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #9 vfs_lookup+0x93a sys/kern/vfs_lookup.c:566 #10 namei+0x7ca sys/kern/vfs_lookup.c:250 #11 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1868 #12 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #12 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #13 Xsyscall+0x128 Process 37266 (systqmp) thread 0xffff8000ffffe530 (127680) shared rwlock systqmp r = 0 (0xffffffff83897ed8) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 taskq_thread+0x12a sys/kern/kern_task.c:442 #2 proc_trampoline+0x10 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10204 11171K 11731K 166960K 11932 0 pcb 18 13K 14K 166960K 112 0 rtable 228 7K 7K 166960K 378 0 pf 36 18K 20K 166960K 86 0 ifaddr 43 7K 8K 166960K 65 0 ifgroup 55 2K 2K 166960K 106 0 sysctl 2 1K 9K 166960K 7 0 counters 70 37K 38K 166960K 108 0 ioctlops 0 0K 4K 166960K 1628 0 iov 1 2K 12K 166960K 14 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1379 87K 87K 166960K 1673 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 3 5K 9K 166960K 8 0 VM map 2 1K 1K 166960K 2 0 sem 5 0K 0K 166960K 6 0 dirhash 60 10K 11K 166960K 252 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 14 49K 89K 166960K 349 0 sigio 0 0K 0K 166960K 4 0 proc 72 115K 164K 166960K 583 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 0 0K 0K 166960K 27 0 in_multi 99 7K 7K 166960K 112 0 ether_multi 1 0K 0K 166960K 3 0 mrt 1 0K 0K 166960K 3 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 79 360K 360K 166960K 79 0 exec 0 0K 1K 166960K 395 0 fusefs mount 1 32K 32K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 206 166K 178K 166960K 5158 0 UVM aobj 8 2K 2K 166960K 8 0 pinsyscall 39 78K 102K 166960K 1477 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 21 0 NDP 12 0K 2K 166960K 44 0 temp 46 8672K 8736K 166960K 13837 0 kqueue 14 22K 28K 166960K 64 0 SYN cache 2 16K 16K 166960K 2 0 ddb{1}> 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 120 107 0 104 3 2 1 3 0 8 0 rtentry 176 119 0 16 6 0 6 6 0 8 0 unpcb 144 236 0 219 3 1 2 2 0 8 1 syncache 336 3 0 3 1 1 0 1 0 8 0 tcpcb 736 65 0 61 1 0 1 1 0 8 0 arp 136 19 0 0 1 0 1 1 0 8 0 inpcb 328 362 0 350 10 6 4 7 0 8 2 nd6 152 26 0 0 1 0 1 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1192 12 0 12 2 1 1 1 0 8 1 pppxif 1504 2 0 2 2 1 1 1 0 8 1 pfstscr 40 1 0 1 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 3 0 1 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 pfstitem 24 38 0 0 1 0 1 1 0 8 0 pfstkey 128 39 0 1 2 0 2 2 0 8 0 pfstate 448 38 0 1 5 0 5 5 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 1 0 0 1 0 1 1 0 8 0 art_heap4 256 537 0 83 30 1 29 30 0 8 0 art_table 40 538 0 83 5 0 5 5 0 8 0 art_node 32 119 0 25 1 0 1 1 0 8 0 sysvmsgpl 40 4 0 1 1 0 1 1 0 8 0 semapl 112 4 0 1 1 0 1 1 0 8 0 shmpl 112 5 0 0 1 0 1 1 0 8 0 dirhash 1024 97 0 64 5 0 5 5 0 8 0 dino2pl 256 2054 0 544 96 0 96 96 0 8 0 ffsino 296 2054 0 544 118 0 118 118 0 8 0 nchpl 144 2546 0 840 64 0 64 64 0 8 0 rtmask 32 2 0 2 2 1 1 1 0 8 1 vnodes 216 2290 0 0 128 0 128 128 0 8 0 namei 1024 8074 0 8074 2 1 1 1 0 8 1 percpumem 16 69 0 19 1 0 1 1 0 8 0 kstatmem 264 56 0 30 4 1 3 3 0 8 1 scsiplug 72 1 0 1 1 1 0 1 0 8 0 scxspl 216 10678 0 10678 9 8 1 8 1 8 1 plimitpl 152 71 0 52 1 0 1 1 0 8 0 sigapl 424 679 0 613 9 1 8 8 0 8 0 knotepl 120 501 0 0 16 0 16 16 0 8 0 kqueuepl 224 98 0 87 1 0 1 1 0 8 0 pipepl 344 132 0 105 3 0 3 3 0 8 0 fdescpl 528 642 0 614 3 0 3 3 0 8 0 filepl 160 3286 0 3053 17 5 12 14 0 8 1 lockfpl 104 86 0 83 1 0 1 1 0 8 0 lockfspl 48 40 0 37 1 0 1 1 0 8 0 sessionpl 144 23 0 14 1 0 1 1 0 8 0 pgrppl 48 34 0 17 1 0 1 1 0 8 0 ucredpl 104 489 0 476 1 0 1 1 0 8 0 zombiepl 144 665 0 664 1 0 1 1 0 8 0 processpl 1232 679 0 613 6 0 6 6 0 8 0 procpl 664 1049 0 977 8 0 8 8 0 8 1 sosppl 176 1 0 1 1 0 1 1 0 8 1 sockpl 752 714 0 681 15 7 8 11 0 8 4 mcl64k 65536 6 0 0 1 0 1 1 0 8 0 mcl16k 16384 3 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 131 0 0 17 0 17 17 0 8 0 mcl2k 2048 32 0 0 4 0 4 4 0 8 0 mtagpl 96 13 0 0 1 0 1 1 0 8 0 mbufpl 256 183 0 0 12 0 12 12 0 8 0 bufpl 280 4063 0 126 282 0 282 282 0 8 0 anonpl 32 7656 0 0 62 0 62 62 0 246 0 amapchunkpl 152 15736 0 15370 30 6 24 30 0 158 4 amappl16 200 2743 0 2658 19 8 11 14 0 8 6 amappl15 192 4 0 4 1 1 0 1 0 8 0 amappl14 184 12 0 11 1 0 1 1 0 8 0 amappl13 176 424 0 423 1 0 1 1 0 8 0 amappl12 168 1014 0 976 3 0 3 3 0 8 0 amappl11 160 7 0 7 1 1 0 1 0 8 0 amappl10 152 49 0 35 1 0 1 1 0 8 0 amappl9 144 267 0 267 1 1 0 1 0 8 0 amappl8 136 27 0 25 1 0 1 1 0 8 0 amappl7 128 82 0 81 1 0 1 1 0 8 0 amappl6 120 276 0 261 1 0 1 1 0 8 0 amappl5 112 150 0 139 1 0 1 1 0 8 0 amappl4 104 494 0 463 1 0 1 1 0 8 0 amappl3 96 2779 0 2699 5 1 4 4 0 8 1 amappl2 88 524 0 465 2 0 2 2 0 8 0 amappl1 80 9907 0 9327 15 2 13 15 0 8 0 amappl 88 4388 0 4259 5 0 5 5 0 92 0 uvmvnodes 80 106 0 0 3 0 3 3 0 8 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 128 254 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 7 0 0 1 0 1 1 0 8 0 uaddrrnd 24 643 0 615 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 643 0 615 1 0 1 1 0 8 0 vmmpekpl 168 6929 0 6891 2 0 2 2 0 8 0 vmmpepl 168 48523 0 46753 99 5 94 96 0 357 4 vmsppl 488 642 0 614 5 1 4 5 0 8 0 rwobjpl 80 16563 0 15509 26 1 25 26 0 8 0 pdppl 4096 1293 0 1228 95 24 71 83 0 8 6 pvpl 32 17648 0 0 145 2 143 143 0 265 0 pmappl 256 642 0 614 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 278 0 29 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff8384fff0) 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 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c kd_curproc sys/dev/kcov.c:584 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c sys/dev/kcov.c:153 __mp_lock(ffffffff83982f80) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83982f80) at __mp_lock+0x1a3 sys/kern/kern_lock.c:173 exit1(ffff80002a260018,0,0,1) at exit1+0x701 sys/kern/kern_exit.c:260 sys_exit(ffff80002a260018,ffff80003c48fb30,ffff80003c48fa80) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c48fb30) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c48fb30) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7ac4d7a85110, count: -9 ddb{0}> machine ddbcpu 1 Stopped at bpfdetach+0x70: movq 0(%r15),%r12 ddb{1}> trace bpfdetach(ffff8000014a5800) at bpfdetach+0x70 sys/net/bpf.c:1770 if_detach(ffff8000014a5800) at if_detach+0x12b sys/net/if.c:1288 tun_clone_destroy(ffff8000014a5800) at tun_clone_destroy+0x2ce sys/net/if_tun.c:347 if_clone_destroy(ffff80003c453aa0) at if_clone_destroy+0x205 sys/net/if.c:1478 ifioctl(ffff80000158fae0,80206979,ffff80003c453aa0,ffff80003bfee560) at ifioctl+0x59d sys/net/if.c:2159 sys_ioctl(ffff80003bfee560,ffff80003c453c80,ffff80003c453bd0) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff80003c453c80) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c453c80) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x291aeefb60, count: -8