kernel: protection fault trap, code=0 Stopped at pf_anchor_global_RB_REMOVE+0x58: movq 0(%r12),%rbx ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic the kernel did not panic ddb{0}> trace pf_anchor_global_RB_REMOVE(ffffffff82b32c60,ffff800000c8d800) at pf_anchor_global_RB_REMOVE+0x58 sys/net/pf_ruleset.c:84 pf_remove_if_empty_ruleset(ffff800000c8dc90) at pf_remove_if_empty_ruleset+0xdd sys/net/pf_ruleset.c:300 pfi_dynaddr_setup(ffff800000c7bd58,0) at pfi_dynaddr_setup+0x411 sys/net/pf_if.c:485 pfioctl(4900,cd60441a,ffff800000bec000,3,ffff80002b14c540) at pfioctl+0x8d37 pf_addr_setup sys/net/pf_ioctl.c:894 [inline] pfioctl(4900,cd60441a,ffff800000bec000,3,ffff80002b14c540) at pfioctl+0x8d37 sys/net/pf_ioctl.c:1653 VOP_IOCTL(fffffd806f691c68,cd60441a,ffff800000bec000,3,fffffd807f7d7180,ffff80002b14c540) at VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 vn_ioctl(fffffd8064912c90,cd60441a,ffff800000bec000,ffff80002b14c540) at vn_ioctl+0xbc sys/kern/vfs_vnops.c:531 sys_ioctl(ffff80002b14c540,ffff8000264c4478,ffff8000264c44d0) at sys_ioctl+0x4a2 syscall(ffff8000264c4540) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000264c4540) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7380bb13a0, count: -9 ddb{0}> show registers rdi 0xffff8000284e1000 rsi 0x1597 __ALIGN_SIZE+0x597 rbp 0xffff8000264c3f50 rbx 0xffffffff82b32c60 pf_anchors rdx 0xffff8000284e1000 rcx 0x1596 __ALIGN_SIZE+0x596 rax 0xffffffff81d082fb pf_anchor_global_RB_REMOVE+0x2b r8 0x400 r9 0x8080808080808080 r10 0x6f2d42c3f5edcc12 r11 0xf4fa8d7f1b35981c r12 0x9e35bdc04c872e59 r13 0xffffffff82b32c68 pf_main_anchor r14 0xffff800000c8d800 r15 0xdeaf007fdeafbead rip 0xffffffff81d08328 pf_anchor_global_RB_REMOVE+0x58 cs 0x8 rflags 0x10286 __ALIGN_SIZE+0xf286 rsp 0xffff8000264c3f00 ss 0x10 pf_anchor_global_RB_REMOVE+0x58: movq 0(%r12),%rbx ddb{0}> show proc PROC (syz-executor.4) pid=302089 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=82, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff67f0,0xffff80002b14c7f0 process=0xffff800024697200 user=0xffff8000264bf000, vmspace=0xfffffd805bd305c8 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 68999 189949 63520 0 2 0 syz-executor.2 68999 142872 63520 0 3 0x4000080 fsleep syz-executor.2 46009 338838 46468 0 2 0 syz-executor.6 46009 28011 46468 0 3 0x4000080 fsleep syz-executor.6 61940 420485 78947 0 2 0 syz-executor.4 *61940 302089 78947 0 7 0x4000000 syz-executor.4 83210 199000 27319 0 2 0x4081000 syz-executor.0 83210 172506 27319 0 3 0x4003000 suspend syz-executor.0 7623 377497 80172 0 2 0 syz-executor.7 63520 523728 22703 0 3 0x82 nanoslp syz-executor.2 33696 375514 22703 0 2 0x2 syz-executor.3 46468 18673 22703 0 3 0x82 nanoslp syz-executor.6 78947 201042 22703 0 3 0x82 nanoslp syz-executor.4 27319 16098 22703 0 3 0x82 nanoslp syz-executor.0 21354 274461 0 0 3 0x14200 acct acct 57715 131558 22703 0 2 0x2 syz-executor.5 80172 462306 22703 0 3 0x82 nanoslp syz-executor.7 61492 54874 1 0 3 0x100083 ttyin getty 48639 517434 0 0 3 0x14280 nfsidl nfsio 56471 299848 0 0 3 0x14280 nfsidl nfsio 88585 466553 0 0 3 0x14280 nfsidl nfsio 55420 462588 0 0 3 0x14280 nfsidl nfsio 91469 35155 0 0 3 0x14280 nfsidl nfsio 60718 301207 0 0 3 0x14280 nfsidl nfsio 32405 361640 0 0 3 0x14280 nfsidl nfsio 13266 257544 0 0 3 0x14280 nfsidl nfsio 86481 467698 0 0 3 0x14280 nfsidl nfsio 64523 514114 0 0 3 0x14280 nfsidl nfsio 72126 32821 0 0 3 0x14280 nfsidl nfsio 32349 226594 0 0 3 0x14280 nfsidl nfsio 45156 214475 0 0 3 0x14280 nfsidl nfsio 31089 67343 0 0 3 0x14280 nfsidl nfsio 22117 416252 0 0 3 0x14280 nfsidl nfsio 35893 507264 0 0 3 0x14280 nfsidl nfsio 8188 227612 0 0 3 0x14280 nfsidl nfsio 38375 363841 0 0 3 0x14280 nfsidl nfsio 71664 214465 0 0 3 0x14280 nfsidl nfsio 96729 70639 0 0 3 0x14280 nfsidl nfsio 19726 120477 0 0 3 0x14200 bored sosplice 22703 408214 79149 0 3 0x82 kqread syz-fuzzer 22703 376089 79149 0 3 0x4000082 thrsleep syz-fuzzer 22703 71561 79149 0 3 0x4000082 thrsleep syz-fuzzer 22703 486700 79149 0 3 0x4000082 thrsleep syz-fuzzer 22703 239568 79149 0 3 0x4000082 thrsleep syz-fuzzer 22703 243425 79149 0 3 0x4000082 thrsleep syz-fuzzer 22703 4164 79149 0 3 0x4000082 thrsleep syz-fuzzer 22703 264291 79149 0 3 0x4000082 thrsleep syz-fuzzer 79149 83792 77627 0 3 0x10008a sigsusp ksh 77627 507797 55670 0 3 0x9a kqread sshd 55670 167639 1 0 3 0x88 kqread sshd 44536 356899 71470 74 3 0x1100092 bpf pflogd 71470 55945 1 0 3 0x80 netio pflogd 32932 449792 83948 73 3 0x1100090 kqread syslogd 83948 109274 1 0 3 0x100082 netio syslogd 8405 53937 1 0 3 0x100080 kqread resolvd 47324 320214 38356 77 3 0x100092 kqread dhcpleased 37663 217915 38356 77 3 0x100092 kqread dhcpleased 38356 444348 1 0 3 0x80 kqread dhcpleased 18838 64857 0 0 3 0x14200 bored smr 16017 3763 0 0 2 0x14200 zerothread 29621 185739 0 0 3 0x14200 aiodoned aiodoned 25659 231939 0 0 3 0x14200 syncer update 90460 296113 0 0 3 0x14200 cleaner cleaner 33615 98214 0 0 3 0x14200 reaper reaper 68950 397524 0 0 3 0x14200 pgdaemon pagedaemon 95683 348145 0 0 3 0x14200 bored viomb 90186 499831 0 0 3 0x40014200 acpi0 acpi0 24391 36612 0 0 7 0x40014200 idle1 93300 54397 0 0 3 0x14200 bored softnet 40266 199789 0 0 3 0x14200 bored systqmp 21124 84587 0 0 3 0x14200 bored systq 36149 253095 0 0 3 0x40014200 bored softclock 12052 424608 0 0 3 0x40014200 idle0 1 299220 0 0 3 0x80082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 61940 (syz-executor.4) thread 0xffff80002b14c540 (302089) exclusive rwlock pf_lock r = 0 (0xffffffff8294c010) #0 witness_lock+0x44d #1 pfioctl+0x5dc5 sys/net/pf_ioctl.c:1608 #2 VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 #3 vn_ioctl+0xbc sys/kern/vfs_vnops.c:531 #4 sys_ioctl+0x4a2 #5 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #5 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #6 Xsyscall+0x128 exclusive rwlock netlock r = 0 (0xffffffff82944ee0) #0 witness_lock+0x44d #1 pfioctl+0x38c8 sys/net/pf_ioctl.c:1608 #2 VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 #3 vn_ioctl+0xbc sys/kern/vfs_vnops.c:531 #4 sys_ioctl+0x4a2 #5 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #5 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #6 Xsyscall+0x128 exclusive rwlock pfioctl_rw r = 0 (0xffffffff8294c070) #0 witness_lock+0x44d #1 pfioctl+0x15e sys/net/pf_ioctl.c:1148 #2 VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 #3 vn_ioctl+0xbc sys/kern/vfs_vnops.c:531 #4 sys_ioctl+0x4a2 #5 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #5 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #6 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82a1ad58) #0 witness_lock+0x44d #1 vn_ioctl+0x41 sys/kern/vfs_vnops.c:514 #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 57715 (syz-executor.5) thread 0xffff80002b14b500 (131558) exclusive rrwlock inode r = 0 (0xfffffd806e2fc1a8) #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:678 #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:1850 #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 (0xfffffd806e3c0920) #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:1850 #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 10216 6580K 7563K 78643K 32525 0 pcb 13 20K 24K 78643K 2348 0 rtable 201 12K 21K 78643K 3313 0 ifaddr 106 25K 25K 78643K 1790 0 sysctl 2 0K 1K 78643K 11 0 counters 56 35K 36K 78643K 384 0 ioctlops 1 4K 4K 78643K 3780 0 iov 0 0K 32K 78643K 1070 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 5 0 vnodes 1406 88K 88K 78643K 7836 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 153 0 VM map 2 1K 1K 78643K 2 0 sem 17 1K 1K 78643K 45 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 14 49K 93K 78643K 14962 0 sigio 0 0K 0K 78643K 1137 0 proc 72 91K 128K 78643K 2389 0 subproc 91 5K 6K 78643K 654 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 685 0 in_multi 78 5K 7K 78643K 1319 0 ether_multi 1 0K 0K 78643K 141 0 mrt 3 0K 0K 78643K 78 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 169 758K 758K 78643K 169 0 exec 0 0K 2K 78643K 3186 0 pfkey data 0 0K 0K 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 454 725K 734K 78643K 88289 0 UVM aobj 77 9K 9K 78643K 85 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 1K 78643K 4857 0 NDP 14 0K 2K 78643K 366 0 temp 156 4776K 4842K 78643K 148052 0 kqueue 12 18K 28K 78643K 2130 0 SYN cache 2 4688K 4696K 78643K 4 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 1182 0 1179 16 15 1 3 0 8 0 rtentry 112 1015 0 931 4 0 4 4 0 8 0 unpcb 136 10283 0 10268 118 116 2 9 0 8 1 syncache 296 62 0 62 21 21 0 1 0 8 0 tcpqe 32 44 68 44 4 4 0 1 0 8 0 tcpcb 736 5055 0 5042 153 151 2 17 0 8 0 arp 120 120 0 104 1 0 1 1 0 8 0 inpcb 312 23915 0 23901 204 202 2 19 0 8 0 ip6q 72 3 0 3 1 1 0 1 0 8 0 ip6af 40 9 0 9 1 1 0 1 0 8 0 nd6 48 248 0 230 1 0 1 1 0 8 0 pkpcb 40 105 0 105 9 9 0 1 0 8 0 kcovpl 48 50 0 43 1 0 1 1 0 8 0 ppxss 1248 54 0 54 12 12 0 1 0 8 0 pfstscr 40 150 0 146 3 2 1 1 0 8 0 pffrag 232 120 0 117 10 9 1 1 0 482 0 pffrnode 88 118 0 115 10 9 1 1 0 8 0 pffrent 40 375 0 372 10 9 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 221 15 218 4 3 1 2 0 8 0 pftag 88 16 0 5 1 0 1 1 0 8 0 pfstitem 24 66 0 56 1 0 1 1 0 8 0 pfstkey 112 341 0 336 1 0 1 1 0 8 0 pfstate 336 188 0 182 3 2 1 3 0 8 0 pfrule 1360 759 0 728 12 7 5 9 0 8 0 rttmrq 48 78 0 74 1 0 1 1 0 8 0 rttmr 72 21 0 21 6 6 0 1 0 8 0 art_heap8 4096 4 0 3 4 3 1 2 0 8 0 art_heap4 256 4892 0 4524 51 27 24 30 0 8 0 art_table 32 4896 0 4527 4 0 4 4 0 8 0 art_node 16 1000 0 926 1 0 1 1 0 8 0 sysvmsgpl 40 15 0 6 2 1 1 1 0 8 0 semupl 112 4 0 4 1 1 0 1 0 8 0 semapl 112 37 0 22 1 0 1 1 0 8 0 shmpl 112 82 0 8 3 0 3 3 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 21730 0 20257 93 0 93 93 0 8 0 ffsino 272 21730 0 20257 99 0 99 99 0 8 0 nchpl 144 42309 0 40677 63 0 63 63 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 143797 0 143797 7 6 1 2 0 8 1 percpumem 16 204 0 164 1 0 1 1 0 8 0 vcpupl 2048 49 0 0 7 0 7 7 0 8 0 vmpool 560 68 0 19 6 2 4 4 0 8 0 pfiaddrpl 120 98 0 97 4 3 1 2 0 8 0 kstatmem 264 356 0 328 4 1 3 3 0 8 0 scsiplug 72 15 0 15 4 4 0 1 0 8 0 scxspl 216 118151 0 118151 36 35 1 8 0 8 1 plimitpl 152 1980 0 1966 1 0 1 1 0 8 0 sigapl 424 15204 0 15141 8 0 8 8 0 8 0 futexpl 64 137008 0 137006 1 0 1 1 0 8 0 knotepl 120 755 0 0 10 0 10 10 0 8 0 kqueuepl 216 4624 0 4616 67 66 1 7 0 8 0 pipepl 336 3089 0 3064 75 72 3 13 0 8 0 fdescpl 496 15164 0 15137 6 2 4 5 0 8 0 filepl 152 107164 0 106903 201 188 13 27 0 8 2 lockfpl 104 3647 0 3645 6 5 1 2 0 8 0 lockfspl 48 1067 0 1065 1 0 1 1 0 8 0 sessionpl 144 68 0 52 1 0 1 1 0 8 0 pgrppl 48 129 0 113 1 0 1 1 0 8 0 ucredpl 96 9779 0 9767 1 0 1 1 0 8 0 zombiepl 144 15142 0 15141 6 5 1 1 0 8 0 processpl 1064 15204 0 15141 5 0 5 5 0 8 0 procpl 672 42392 0 42317 21 13 8 9 0 8 0 srpgc 96 48 0 48 15 15 0 1 0 8 0 sosppl 168 107 0 107 21 21 0 1 0 8 0 sockpl 480 35489 0 35457 654 645 9 39 0 8 4 mcl64k 65536 41 0 0 3 0 3 3 0 8 0 mcl16k 16384 40 0 0 5 3 2 3 0 8 0 mcl12k 12288 25 0 0 2 0 2 2 0 8 0 mcl9k 9216 18 0 0 2 0 2 2 0 8 0 mcl8k 8192 42 0 0 6 3 3 3 0 8 0 mcl4k 4096 17 0 0 3 0 3 3 0 8 0 mcl2k2 2112 17 0 0 2 0 2 2 0 8 0 mcl2k 2048 559 0 0 51 2 49 49 0 8 0 mtagpl 96 747 0 0 11 0 11 11 0 8 0 mbufpl 256 9799 0 0 592 2 590 590 0 8 0 bufpl 288 24889 0 18559 453 0 453 453 0 8 0 anonpl 24 2848751 0 2832481 228 97 131 146 0 186 0 amapchunkpl 152 252624 0 251837 89 50 39 42 0 158 0 amappl16 200 35202 0 34537 95 53 42 45 0 8 4 amappl15 192 2156 0 2153 1 0 1 1 0 8 0 amappl14 184 650 0 645 2 1 1 1 0 8 0 amappl13 176 1318 0 1315 1 0 1 1 0 8 0 amappl12 168 1283 0 1282 1 0 1 1 0 8 0 amappl11 160 1153 0 1132 1 0 1 1 0 8 0 amappl10 152 1575 0 1562 1 0 1 1 0 8 0 amappl9 144 5364 0 5362 1 0 1 1 0 8 0 amappl8 136 3894 0 3758 6 0 6 6 0 8 0 amappl7 128 2553 0 2540 1 0 1 1 0 8 0 amappl6 120 5380 0 5351 2 1 1 2 0 8 0 amappl5 112 13946 0 13924 1 0 1 1 0 8 0 amappl4 104 3668 0 3638 2 1 1 2 0 8 0 amappl3 96 46626 0 46579 2 0 2 2 0 8 0 amappl2 88 17612 0 17548 3 1 2 3 0 8 0 amappl1 80 359322 0 358701 22 7 15 20 0 8 0 amappl 88 86784 0 86555 6 0 6 6 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 84 0 8 2 0 2 2 0 8 0 uaddrrnd 24 15232 0 15156 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 15232 0 15156 1 0 1 1 0 8 0 vmmpekpl 168 114220 0 114158 5 1 4 4 0 8 0 vmmpepl 168 1471079 0 1468355 303 151 152 164 0 357 13 vmsppl 368 15231 0 15156 9 1 8 8 0 8 0 rwobjpl 56 357132 0 349338 120 8 112 113 0 8 0 pdppl 4096 30471 0 30361 669 559 110 119 0 8 0 pvpl 32 5725737 0 5706121 481 277 204 248 0 265 2 pmappl 248 15231 0 15156 6 1 5 5 0 8 0 extentpl 40 58 0 38 1 0 1 1 0 8 0 phpool 112 2505 0 1042 43 0 43 43 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace pf_anchor_global_RB_REMOVE(ffffffff82b32c60,ffff800000c8d800) at pf_anchor_global_RB_REMOVE+0x58 sys/net/pf_ruleset.c:84 pf_remove_if_empty_ruleset(ffff800000c8dc90) at pf_remove_if_empty_ruleset+0xdd sys/net/pf_ruleset.c:300 pfi_dynaddr_setup(ffff800000c7bd58,0) at pfi_dynaddr_setup+0x411 sys/net/pf_if.c:485 pfioctl(4900,cd60441a,ffff800000bec000,3,ffff80002b14c540) at pfioctl+0x8d37 pf_addr_setup sys/net/pf_ioctl.c:894 [inline] pfioctl(4900,cd60441a,ffff800000bec000,3,ffff80002b14c540) at pfioctl+0x8d37 sys/net/pf_ioctl.c:1653 VOP_IOCTL(fffffd806f691c68,cd60441a,ffff800000bec000,3,fffffd807f7d7180,ffff80002b14c540) at VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 vn_ioctl(fffffd8064912c90,cd60441a,ffff800000bec000,ffff80002b14c540) at vn_ioctl+0xbc sys/kern/vfs_vnops.c:531 sys_ioctl(ffff80002b14c540,ffff8000264c4478,ffff8000264c44d0) at sys_ioctl+0x4a2 syscall(ffff8000264c4540) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000264c4540) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7380bb13a0, count: -9 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp 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