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(ffff80000147a800) at bpfdetach+0x70 sys/net/bpf.c:1778 if_detach(ffff80000147a800) at if_detach+0x153 sys/net/if.c:1212 tun_clone_destroy(ffff80000147a800) at tun_clone_destroy+0x2d6 sys/net/if_tun.c:346 if_clone_destroy(ffff80003abf4d30) at if_clone_destroy+0x1d7 sys/net/if.c:1401 ifioctl(ffff80000145c010,80206979,ffff80003abf4d30,ffff8000ffff07d0) at ifioctl+0x5c5 sys/net/if.c:-1 sys_ioctl(ffff8000ffff07d0,ffff80003abf4f10,ffff80003abf4e60) at sys_ioctl+0x5c3 sys/kern/sys_generic.c:-1 syscall(ffff80003abf4f10) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003abf4f10) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x3948c0178c0, count: -8 ddb{1}> show registers rdi 0xffff800035be3000 rsi 0x56118 acpi_pdirpa+0x41f89 rbp 0xffff80003abf4b50 rbx 0x80206979 __kernel_virt_to_phys+0x206979 rdx 0xffff800035be3000 rcx 0x56117 acpi_pdirpa+0x41f88 rax 0xffffffff810b1279 bpfdetach+0xb9 r8 0 r9 0x1 r10 0x5803fedc32365dc4 r11 0x5b89fc188aafb282 r12 0xdeaf0002deaf4152 r13 0x800 r14 0xffff80000147a800 r15 0xdeaf0002deaf4152 rip 0xffffffff810b1230 bpfdetach+0x70 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80003abf4b20 ss 0x10 bpfdetach+0x70: movq 0(%r15),%r12 ddb{1}> show proc PROC (syz-executor) tid=137926 pid=4515 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=74, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000ffff0a60,0xffff8000ffff1740 process=0xffff80003c415c70 user=0xffff80003abef000, vmspace=0xfffffd806d15d3e8 estcpu=24, cpticks=0, pctcpu=0.1, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 79666 59137 558 0 2 0 syz-executor 79666 211993 558 0 2 0x4000000 syz-executor 1551 20122 76145 60929 3 0x3010 suspend syz-executor 1551 190072 76145 60929 2 0x4081010 syz-executor 1551 114701 76145 60929 2 0x4081010 syz-executor 4515 411124 57973 0 2 0 syz-executor * 4515 137926 57973 0 7 0x4000000 syz-executor 65682 335757 59680 0 2 0 syz-executor 65682 174058 59680 0 3 0x4000080 kqsel syz-executor 65682 249920 59680 0 3 0x4000080 fsleep syz-executor 72433 292958 0 0 3 0x14200 acct acct 65529 388664 0 0 3 0x14200 bored sosplice 57973 305746 40043 0 3 0x82 nanoslp syz-executor 76145 52893 40043 0 7 0x2 syz-executor 22446 187978 40043 0 2 0x2 syz-executor 51727 466542 40043 0 2 0x2 syz-executor 63460 255043 40043 0 3 0x82 wait syz-executor 43492 200207 40043 0 2 0xc82 syz-executor 558 218390 40043 0 2 0xc82 syz-executor 59680 471083 40043 0 3 0x82 nanoslp syz-executor 40043 414222 70255 0 2 0x2 syz-executor 70255 478814 655 0 3 0x10008a sigsusp ksh 655 218569 73736 0 3 0x98 kqread sshd-session 73736 214101 95167 0 3 0x92 kqread sshd-session 19390 318617 1 0 3 0x100083 ttyin getty 95167 357530 1 0 3 0x88 kqread sshd 38922 481569 90929 74 3 0x1100092 bpf pflogd 90929 354802 1 0 3 0x80 sbwait pflogd 76374 223330 8006 73 3 0x1100090 kqread syslogd 8006 213893 1 0 3 0x100082 sbwait syslogd 46788 408222 1 0 3 0x100080 kqread resolvd 16459 294458 1606 77 3 0x100092 kqread dhcpleased 98137 2000 1606 77 3 0x100092 kqread dhcpleased 1606 505838 1 0 3 0x80 kqread dhcpleased 18556 416528 0 0 3 0x14200 bored smr 71830 496750 0 0 2 0x14200 zerothread 62808 27637 0 0 3 0x14200 aiodoned aiodoned 468 150491 0 0 3 0x14200 syncer update 65379 69734 0 0 3 0x14200 cleaner cleaner 81871 131149 0 0 3 0x14200 reaper reaper 71222 241039 0 0 3 0x14200 pgdaemon pagedaemon 82911 417542 0 0 3 0x14200 bored viomb 26849 357446 0 0 3 0x40014200 acpi0 acpi0 91185 257144 0 0 3 0x40014200 idle1 7125 46164 0 0 3 0x14200 bored softnet3 66869 165571 0 0 3 0x14200 bored softnet2 99395 221117 0 0 3 0x14200 bored softnet1 47201 474473 0 0 2 0x14200 softnet0 86154 69313 0 0 2 0x14200 systqmp 35550 47199 0 0 3 0x14200 bored systq 55204 485534 0 0 3 0x14200 tmoslp softclockmp 90080 51751 0 0 3 0x40014200 tmoslp softclock 58489 124505 0 0 3 0x40014200 idle0 1 430551 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 1551 (syz-executor) thread 0xffff80003c448f88 (190072) exclusive rrwlock inode r = 0 (0xfffffd806de44420) #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 ufs_lookup+0x16bc sys/ufs/ufs/ufs_lookup.c:573 #7 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #8 vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 #9 namei+0x7aa sys/kern/vfs_lookup.c:250 #10 domknodat+0xb4 sys/kern/vfs_syscalls.c:1588 #11 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #11 syscall+0xb08 sys/arch/amd64/amd64/trap.c:579 #12 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806dda91c0) #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 domknodat+0xb4 sys/kern/vfs_syscalls.c:1588 #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 4515 (syz-executor) thread 0xffff8000ffff07d0 (137926) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff838ed148) #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 (0xffffffff838a7998) #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 22446 (syz-executor) thread 0xffff8000ffffc7b8 (187978) exclusive rrwlock inode r = 0 (0xfffffd806bbf5be0) #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 ufs_ihashget+0x185 sys/ufs/ufs/ufs_ihash.c:98 #7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1201 #8 ufs_lookup+0x19f8 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 #11 namei+0x7aa sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1864 #13 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xb08 sys/arch/amd64/amd64/trap.c:579 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806c741c18) #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 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1864 #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 51727 (syz-executor) thread 0xffff80002a2a5c48 (466542) exclusive rrwlock inode r = 0 (0xfffffd806f1ea420) #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 ufs_ihashget+0x185 sys/ufs/ufs/ufs_ihash.c:98 #7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1201 #8 ufs_lookup+0x19f8 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 #11 namei+0x7aa sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1864 #13 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xb08 sys/arch/amd64/amd64/trap.c:579 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806de1bf50) #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{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10207 11098K 11420K 166960K 11854 0 pcb 19 12K 12K 166960K 219 0 rtable 225 7K 8K 166960K 384 0 pf 37 18K 21K 166960K 92 0 ifaddr 44 7K 8K 166960K 67 0 ifgroup 57 2K 2K 166960K 99 0 sysctl 3 1K 9K 166960K 10 0 counters 70 37K 37K 166960K 118 0 ioctlops 0 0K 4K 166960K 1526 0 iov 0 0K 20K 166960K 27 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1345 85K 85K 166960K 1776 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 3 5K 9K 166960K 10 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 14 0 dirhash 15 2K 3K 166960K 27 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 16 57K 236K 166960K 544 0 sigio 0 0K 0K 166960K 3 0 proc 72 91K 128K 166960K 571 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 2 0K 0K 166960K 57 0 in_multi 99 7K 7K 166960K 109 0 ether_multi 2 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 397 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 2 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 240 160K 174K 166960K 6590 0 UVM aobj 85 4K 4K 166960K 88 0 pinsyscall 41 82K 108K 166960K 1624 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 16 0 NDP 13 0K 2K 166960K 45 0 temp 50 8677K 8932K 166960K 26418 0 kqueue 13 20K 31K 166960K 102 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 51 0 48 1 0 1 1 0 8 0 rtentry 176 122 0 20 6 0 6 6 0 8 0 unpcb 144 341 0 323 5 1 4 4 0 8 3 syncache 336 4 0 4 2 2 0 1 0 8 0 tcpcb 808 123 0 119 4 3 1 4 0 8 0 arp 128 21 0 2 1 0 1 1 0 8 0 inpcb 384 558 0 543 7 5 2 6 0 8 0 nd6 144 25 0 0 1 0 1 1 0 8 0 pkpcb 40 5 0 5 1 0 1 1 0 8 1 kcovpl 48 8 0 0 1 0 1 1 0 8 0 mppekey 1024 1 0 1 1 1 0 1 0 8 0 ppxss 1192 22 0 20 2 1 1 1 0 8 0 pppxif 1504 2 0 1 1 0 1 1 0 8 0 pffrag 232 2 0 1 1 0 1 1 0 482 0 pffrnode 88 2 0 1 1 0 1 1 0 8 0 pffrent 40 5 0 4 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 pfanchor 1288 2 0 0 1 0 1 1 0 8 0 pfstitem 24 42 0 3 1 0 1 1 0 8 0 pfstkey 128 44 0 5 2 0 2 2 0 8 0 pfstate 384 43 0 4 5 0 5 5 0 8 0 pfrule 1344 24 0 17 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 506 0 50 29 0 29 29 0 8 0 art_table 32 507 0 50 4 0 4 4 0 8 0 art_node 16 120 0 27 1 0 1 1 0 8 0 sysvmsgpl 40 5 0 4 2 1 1 1 0 8 0 semapl 112 12 0 2 1 0 1 1 0 8 0 shmpl 112 85 0 3 3 0 3 3 0 8 0 dirhash 1024 27 0 8 3 0 3 3 0 8 0 dino2pl 256 2394 0 883 95 0 95 95 0 8 0 ffsino 288 2394 0 883 109 0 109 109 0 8 0 nchpl 144 3166 0 1474 63 0 63 63 0 8 0 rtmask 32 4 0 4 1 1 0 1 0 8 0 uvmvnodes 80 2665 0 0 55 0 55 55 0 8 0 vnodes 216 2665 0 0 149 0 149 149 0 8 0 namei 1024 9856 0 9855 4 3 1 2 0 8 0 percpumem 16 74 0 24 1 0 1 1 0 8 0 kstatmem 264 60 0 31 3 0 3 3 0 8 1 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 scsiplug 72 3 0 3 2 2 0 1 0 8 0 scxspl 216 9826 0 9826 10 9 1 8 1 8 1 plimitpl 152 72 0 55 1 0 1 1 0 8 0 sigapl 424 835 0 785 7 1 6 7 0 8 0 knotepl 120 537 0 0 17 0 17 17 0 8 0 kqueuepl 224 225 0 214 5 4 1 5 0 8 0 pipepl 336 130 0 103 3 0 3 3 0 8 0 fdescpl 520 815 0 785 3 0 3 3 0 8 0 filepl 160 4179 0 3955 17 4 13 14 0 8 3 lockfpl 104 126 0 124 1 0 1 1 0 8 0 lockfspl 48 53 0 51 1 0 1 1 0 8 0 sessionpl 144 23 0 14 1 0 1 1 0 8 0 pgrppl 48 32 0 15 1 0 1 1 0 8 0 ucredpl 104 736 0 721 1 0 1 1 0 8 0 zombiepl 144 860 0 856 2 1 1 1 0 8 0 processpl 1208 835 0 785 5 0 5 5 0 8 0 procpl 656 1527 0 1469 6 0 6 6 0 8 0 srpgc 96 2 0 2 1 0 1 1 0 8 1 sosppl 168 5 0 5 2 1 1 1 0 8 1 sockpl 728 966 0 931 14 5 9 9 0 8 5 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 114 0 0 15 0 15 15 0 8 0 mcl2k 2048 20 0 0 3 0 3 3 0 8 0 mtagpl 96 21 0 0 1 0 1 1 0 8 0 mbufpl 256 167 0 0 11 0 11 11 0 8 0 bufpl 280 3116 0 124 214 0 214 214 0 8 0 anonpl 32 8596 0 0 70 0 70 70 0 246 0 amapchunkpl 152 20920 0 20388 31 4 27 29 0 158 3 amappl16 200 2776 0 2738 18 15 3 15 0 8 0 amappl15 192 9 0 9 1 1 0 1 0 8 0 amappl14 184 119 0 107 1 0 1 1 0 8 0 amappl13 176 6 0 6 1 1 0 1 0 8 0 amappl12 168 1458 0 1428 3 1 2 2 0 8 0 amappl11 160 50 0 36 1 0 1 1 0 8 0 amappl10 152 8 0 7 1 0 1 1 0 8 0 amappl9 144 250 0 250 1 1 0 1 0 8 0 amappl8 136 93 0 89 1 0 1 1 0 8 0 amappl7 128 117 0 105 1 0 1 1 0 8 0 amappl6 120 180 0 176 1 0 1 1 0 8 0 amappl5 112 124 0 115 1 0 1 1 0 8 0 amappl4 104 323 0 303 1 0 1 1 0 8 0 amappl3 96 3946 0 3838 5 1 4 4 0 8 1 amappl2 88 646 0 584 2 0 2 2 0 8 0 amappl1 80 10057 0 9458 15 0 15 15 0 8 0 amappl 88 5830 0 5664 5 0 5 5 0 92 0 dma4096 4096 2 0 2 2 2 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 87 0 3 2 0 2 2 0 8 0 uaddrrnd 24 815 0 785 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 815 0 785 1 0 1 1 0 8 0 vmmpekpl 168 8187 0 8146 3 0 3 3 0 8 0 vmmpepl 168 57409 0 55457 105 14 91 101 0 357 1 vmsppl 480 814 0 785 6 2 4 5 0 8 0 rwobjpl 72 20343 0 16654 68 0 68 68 0 8 0 pdppl 4096 1638 0 1570 116 44 72 88 0 8 4 pvpl 32 15422 0 0 125 0 125 125 0 265 0 pmappl 256 814 0 785 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 405 0 56 11 0 11 11 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff83876ff0) 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(ffffffff838ecf40) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff838ecf40) at __mp_lock+0x1a3 sys/kern/kern_lock.c:144 syscall(ffff80002a3b2530) at syscall+0xae6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3b2530) at syscall+0xae6 sys/arch/amd64/amd64/trap.c:579 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x72e371290740, count: -7 ddb{0}> machine ddbcpu 1 Stopped at bpfdetach+0x70: movq 0(%r15),%r12 ddb{1}> trace bpfdetach(ffff80000147a800) at bpfdetach+0x70 sys/net/bpf.c:1778 if_detach(ffff80000147a800) at if_detach+0x153 sys/net/if.c:1212 tun_clone_destroy(ffff80000147a800) at tun_clone_destroy+0x2d6 sys/net/if_tun.c:346 if_clone_destroy(ffff80003abf4d30) at if_clone_destroy+0x1d7 sys/net/if.c:1401 ifioctl(ffff80000145c010,80206979,ffff80003abf4d30,ffff8000ffff07d0) at ifioctl+0x5c5 sys/net/if.c:-1 sys_ioctl(ffff8000ffff07d0,ffff80003abf4f10,ffff80003abf4e60) at sys_ioctl+0x5c3 sys/kern/sys_generic.c:-1 syscall(ffff80003abf4f10) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003abf4f10) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x3948c0178c0, count: -8