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(ffffffff82b95f20,ffff800000e16000) at pf_anchor_global_RB_REMOVE+0x58 sys/net/pf_ruleset.c:84 pf_remove_if_empty_ruleset(ffff800000e16490) at pf_remove_if_empty_ruleset+0xdd sys/net/pf_ruleset.c:300 pfi_dynaddr_setup(ffff800000f362c8,0) at pfi_dynaddr_setup+0x411 sys/net/pf_if.c:485 pfioctl(4900,cd60441a,ffff800000be8000,43,ffff80002952fa48) at pfioctl+0x8e07 pf_addr_setup sys/net/pf_ioctl.c:894 [inline] pfioctl(4900,cd60441a,ffff800000be8000,43,ffff80002952fa48) at pfioctl+0x8e07 sys/net/pf_ioctl.c:1653 VOP_IOCTL(fffffd806f6819c8,cd60441a,ffff800000be8000,43,fffffd807f7d7120,ffff80002952fa48) at VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 vn_ioctl(fffffd80681bdbe0,cd60441a,ffff800000be8000,ffff80002952fa48) at vn_ioctl+0xbc sys/kern/vfs_vnops.c:531 sys_ioctl(ffff80002952fa48,ffff800024e57168,ffff800024e571c0) at sys_ioctl+0x4a2 syscall(ffff800024e57230) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800024e57230) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xf1460fc3660, count: -9 ddb{0}> show registers rdi 0xffff80002123b000 rsi 0x1395 __ALIGN_SIZE+0x395 rbp 0xffff800024e56c40 rbx 0xffffffff82b95f20 pf_anchors rdx 0xffff80002123b000 rcx 0x1394 __ALIGN_SIZE+0x394 rax 0xffffffff822664eb pf_anchor_global_RB_REMOVE+0x2b r8 0x400 r9 0x8080808080808080 r10 0x6539cb589dfd4de3 r11 0x822568cf4c93729b r12 0x89465885c894c4da r13 0xffffffff82b95f28 pf_main_anchor r14 0xffff800000e16000 r15 0xdead007fdead4110 rip 0xffffffff82266518 pf_anchor_global_RB_REMOVE+0x58 cs 0x8 rflags 0x10282 __ALIGN_SIZE+0xf282 rsp 0xffff800024e56bf0 ss 0x10 pf_anchor_global_RB_REMOVE+0x58: movq 0(%r12),%rbx ddb{0}> show proc PROC (syz-executor.7) pid=24235 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=83, nice=20 forw=0xffffffffffffffff, list=0xffff80002952e548,0xffffffff82b421a8 process=0xffff800025ad54e0 user=0xffff800024e52000, vmspace=0xfffffd8058a46d00 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 99511 105757 30939 0 2 0 syz-executor.7 *99511 24235 30939 0 7 0x4000000 syz-executor.7 11111 285083 83858 0 2 0 syz-executor.6 11111 441783 83858 0 3 0x4000080 fsleep syz-executor.6 78264 398864 94456 0 2 0 syz-executor.0 78264 387700 94456 0 3 0x4000080 fsleep syz-executor.0 33065 176380 88486 0 2 0 syz-executor.5 33065 341885 88486 0 3 0x4000080 fsleep syz-executor.5 82071 202109 4326 0 2 0 syz-executor.4 82071 496136 4326 0 3 0x4000080 fsleep syz-executor.4 82071 385815 4326 0 3 0x4000080 fsleep syz-executor.4 75658 260654 82974 0 3 0x80 nanoslp syz-executor.3 75658 92457 82974 0 2 0x4000000 syz-executor.3 75658 508280 82974 0 3 0x4000080 fsleep syz-executor.3 75658 86605 82974 0 3 0x4000080 fsleep syz-executor.3 67040 352737 65749 0 2 0 syz-executor.1 67040 402167 65749 0 3 0x4000080 fsleep syz-executor.1 65749 399780 54622 0 3 0x82 nanoslp syz-executor.1 83858 86970 54622 0 3 0x82 nanoslp syz-executor.6 82974 308968 54622 0 3 0x82 nanoslp syz-executor.3 13947 34044 54622 0 3 0x82 nanoslp syz-executor.2 4326 109428 54622 0 3 0x82 nanoslp syz-executor.4 30939 409753 54622 0 3 0x82 nanoslp syz-executor.7 94456 133568 54622 0 3 0x82 nanoslp syz-executor.0 88486 113624 54622 0 3 0x82 nanoslp syz-executor.5 74472 186386 1 0 3 0x100083 ttyin getty 43280 350890 0 0 3 0x14280 nfsidl nfsio 73194 95029 0 0 3 0x14280 nfsidl nfsio 71315 82969 0 0 3 0x14280 nfsidl nfsio 30778 232497 0 0 3 0x14280 nfsidl nfsio 37455 187680 0 0 3 0x14280 nfsidl nfsio 84048 179067 0 0 3 0x14280 nfsidl nfsio 38499 114353 0 0 3 0x14280 nfsidl nfsio 14130 145075 0 0 3 0x14280 nfsidl nfsio 8458 165198 0 0 3 0x14280 nfsidl nfsio 20676 129951 0 0 3 0x14280 nfsidl nfsio 16840 500169 0 0 3 0x14280 nfsidl nfsio 7969 322572 0 0 3 0x14280 nfsidl nfsio 16692 268481 0 0 3 0x14280 nfsidl nfsio 34742 373249 0 0 3 0x14280 nfsidl nfsio 91447 405101 0 0 3 0x14280 nfsidl nfsio 23615 264823 0 0 3 0x14280 nfsidl nfsio 8540 225400 0 0 3 0x14280 nfsidl nfsio 66490 211741 0 0 3 0x14280 nfsidl nfsio 27100 81903 0 0 3 0x14280 nfsidl nfsio 36232 250629 0 0 3 0x14280 nfsidl nfsio 72756 115641 0 0 3 0x14200 bored sosplice 54622 283692 58446 0 3 0x82 thrsleep syz-fuzzer 54622 514948 58446 0 3 0x4000082 thrsleep syz-fuzzer 54622 379392 58446 0 3 0x4000082 thrsleep syz-fuzzer 54622 459853 58446 0 3 0x4000082 thrsleep syz-fuzzer 54622 159801 58446 0 3 0x4000082 thrsleep syz-fuzzer 54622 103516 58446 0 3 0x4000082 kqread syz-fuzzer 54622 478050 58446 0 3 0x4000082 thrsleep syz-fuzzer 54622 28397 58446 0 3 0x4000082 thrsleep syz-fuzzer 54622 359001 58446 0 3 0x4000082 thrsleep syz-fuzzer 58446 216300 32373 0 3 0x10008a sigsusp ksh 32373 30029 25474 0 3 0x9a kqread sshd 25474 176079 1 0 3 0x88 kqread sshd 76238 473368 59855 74 3 0x1100092 bpf pflogd 59855 66999 1 0 3 0x80 netio pflogd 58525 100204 74707 73 3 0x1100090 kqread syslogd 74707 182993 1 0 3 0x100082 netio syslogd 75697 313062 1 0 3 0x100080 kqread resolvd 82660 470893 44031 77 3 0x100092 kqread dhcpleased 47511 186017 44031 77 3 0x100092 kqread dhcpleased 44031 28508 1 0 3 0x80 kqread dhcpleased 45844 318505 0 0 3 0x14200 bored smr 44912 234777 0 0 2 0x14200 zerothread 34549 352352 0 0 3 0x14200 aiodoned aiodoned 9472 120333 0 0 3 0x14200 syncer update 70388 278388 0 0 3 0x14200 cleaner cleaner 16329 241553 0 0 3 0x14200 reaper reaper 94732 272758 0 0 3 0x14200 pgdaemon pagedaemon 17140 337055 0 0 3 0x14200 bored viomb 97818 288379 0 0 3 0x40014200 acpi0 acpi0 63816 103643 0 0 7 0x40014200 idle1 45593 316271 0 0 3 0x14200 bored softnet 44882 425058 0 0 3 0x14200 bored systqmp 26760 34868 0 0 3 0x14200 bored systq 69291 2718 0 0 3 0x40014200 bored softclock 27958 245262 0 0 3 0x40014200 idle0 1 177214 0 0 3 0x80082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 99511 (syz-executor.7) thread 0xffff80002952fa48 (24235) exclusive rwlock pf_lock r = 0 (0xffffffff829b01d0) #0 witness_lock+0x44d #1 pfioctl+0x5e90 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 (0xffffffff82923fd0) #0 witness_lock+0x44d #1 pfioctl+0x38f8 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 (0xffffffff829b0230) #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 (0xffffffff82a44fa8) #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 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10211 6568K 10790K 78643K 79807 0 pcb 13 22K 26K 78643K 4913 0 rtable 205 16K 33K 78643K 10735 0 ifaddr 102 29K 33K 78643K 5911 0 sysctl 3 1K 2K 78643K 13 0 counters 52 35K 36K 78643K 956 0 ioctlops 1 4K 4K 78643K 10957 0 iov 0 0K 32K 78643K 4501 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 5 0 vnodes 1676 105K 105K 78643K 25017 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 349 0 VM map 2 1K 1K 78643K 2 0 sem 12 1K 1K 78643K 14 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 17 61K 82K 78643K 38381 0 sigio 0 0K 0K 78643K 472 0 proc 73 91K 128K 78643K 5895 0 subproc 104 6K 10K 78643K 1655 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 1 0K 0K 78643K 9642 0 in_multi 87 5K 7K 78643K 2417 0 ether_multi 1 0K 0K 78643K 226 0 mrt 1 0K 0K 78643K 224 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 187 837K 837K 78643K 187 0 exec 0 0K 2K 78643K 8486 0 pfkey data 0 0K 0K 78643K 12 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 762 2094K 2114K 78643K 207983 0 UVM aobj 131 4K 4K 78643K 131 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 1365 0 NDP 12 0K 2K 78643K 802 0 temp 178 4828K 5400K 78643K 630304 0 kqueue 12 18K 31K 78643K 3130 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 2545 0 2542 36 35 1 3 0 8 0 rtentry 112 2262 0 2178 4 0 4 4 0 8 0 unpcb 136 31767 0 31752 316 311 5 10 0 8 4 syncache 296 114 0 114 38 38 0 1 0 8 0 tcpqe 32 159 84 159 17 17 0 1 0 8 0 tcpcb 736 39214 0 39196 840 826 14 28 0 8 11 arp 120 310 0 296 1 0 1 1 0 8 0 inpcb 312 58923 0 58905 568 558 10 17 0 8 7 nd6 48 466 0 448 1 0 1 1 0 8 0 pkpcb 40 196 0 196 26 26 0 1 0 8 0 kcovpl 48 118 0 110 1 0 1 1 0 8 0 ppxss 1248 229 0 229 46 46 0 1 0 8 0 pfstscr 40 224 0 223 3 2 1 1 0 8 0 pffrag 232 59 0 59 16 16 0 1 0 482 0 pffrnode 88 59 0 59 16 16 0 1 0 8 0 pffrent 40 268 0 268 17 17 0 1 0 8 0 pfosfp 40 1468 0 1464 6 5 1 5 0 8 0 pfosfpen 112 1468 0 1453 22 21 1 21 0 8 0 pfrke_plain 168 28 0 28 1 1 0 1 0 8 0 pfrktable 1344 1588 10 1585 23 22 1 4 0 8 0 pftag 88 242 0 223 2 1 1 1 0 8 0 pfqueue 264 30 0 30 9 9 0 1 0 8 0 pfstitem 24 180 0 177 1 0 1 1 0 8 0 pfstkey 112 527 0 524 2 1 1 2 0 8 0 pfstate 336 316 0 313 4 3 1 3 0 8 0 pfrule 1360 2612 0 2578 50 42 8 21 0 8 0 rttmrq 48 105 0 99 1 0 1 1 0 8 0 rttmr 72 61 0 61 16 15 1 1 0 8 1 art_heap8 4096 9 0 8 7 6 1 3 0 8 0 art_heap4 256 9515 0 9126 81 54 27 31 0 8 1 art_table 32 9524 0 9134 4 0 4 4 0 8 0 art_node 16 2139 0 2066 1 0 1 1 0 8 0 sysvmsgpl 40 32 0 24 1 0 1 1 0 8 0 semupl 112 8 0 8 1 1 0 1 0 8 0 semapl 112 12 0 2 1 0 1 1 0 8 0 shmpl 112 128 0 0 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 54647 0 53066 100 0 100 100 0 8 0 ffsino 272 54647 0 53066 106 0 106 106 0 8 0 nchpl 144 112139 0 110493 63 0 63 63 0 8 0 rtmask 32 56 0 56 1 1 0 1 0 8 0 uvmvnodes 80 11068 0 0 226 0 226 226 0 8 0 vnodes 224 11068 0 0 652 0 652 652 0 8 0 namei 1024 398560 0 398560 23 22 1 2 0 8 1 percpumem 16 490 0 452 1 0 1 1 0 8 0 vcpupl 2048 440 0 1 55 0 55 55 0 8 0 vmpool 560 513 0 74 34 2 32 32 0 8 0 pfiaddrpl 120 912 0 911 24 23 1 4 0 8 0 kstatmem 264 928 0 904 7 5 2 3 0 8 0 scsiplug 72 5 0 5 2 2 0 1 0 8 0 scxspl 216 328971 0 328971 54 53 1 8 0 8 1 plimitpl 152 5225 0 5210 1 0 1 1 0 8 0 sigapl 424 38495 0 38429 8 0 8 8 0 8 0 futexpl 64 403111 0 403103 11 10 1 1 0 8 0 knotepl 120 2287 0 0 23 6 17 17 0 8 0 kqueuepl 216 9262 0 9254 141 136 5 6 0 8 4 pipepl 336 6823 0 6795 182 179 3 8 0 8 0 fdescpl 496 38448 0 38418 7 3 4 5 0 8 0 filepl 152 298645 0 298395 515 497 18 23 0 8 7 lockfpl 104 11049 0 11046 25 23 2 2 0 8 1 lockfspl 48 2897 0 2894 1 0 1 1 0 8 0 sessionpl 144 138 0 121 1 0 1 1 0 8 0 pgrppl 48 175 0 158 1 0 1 1 0 8 0 ucredpl 96 39526 0 39507 1 0 1 1 0 8 0 zombiepl 144 38430 0 38429 8 7 1 1 0 8 0 processpl 1064 38495 0 38429 5 0 5 5 0 8 0 procpl 672 98540 0 98456 41 33 8 9 0 8 0 srpgc 96 107 0 107 36 36 0 1 0 8 0 sosppl 168 243 0 242 31 30 1 1 0 8 0 sockpl 480 93655 0 93617 1864 1851 13 41 0 8 7 mcl64k 65536 15 0 0 2 0 2 2 0 8 0 mcl16k 16384 8 0 0 1 0 1 1 0 8 0 mcl12k 12288 14 0 0 2 0 2 2 0 8 0 mcl9k 9216 9 0 0 1 0 1 1 0 8 0 mcl8k 8192 17 0 0 3 0 3 3 0 8 0 mcl4k 4096 25 0 0 3 0 3 3 0 8 0 mcl2k2 2112 5 0 0 1 0 1 1 0 8 0 mcl2k 2048 552 0 0 26 5 21 26 0 8 0 mtagpl 96 1965 0 0 23 1 22 23 0 8 0 mbufpl 256 6535 0 0 309 1 308 308 0 8 0 bufpl 288 69094 0 61689 791 127 664 791 0 8 1 anonpl 24 7343176 0 7320849 908 757 151 206 0 186 8 amapchunkpl 152 616170 0 615202 301 255 46 71 0 158 0 amappl16 200 114025 0 113222 411 362 49 59 0 8 6 amappl15 192 6463 0 6462 1 0 1 1 0 8 0 amappl14 184 3583 0 3579 1 0 1 1 0 8 0 amappl13 176 6196 0 6192 1 0 1 1 0 8 0 amappl12 168 4678 0 4673 2 1 1 1 0 8 0 amappl11 160 3961 0 3940 3 2 1 2 0 8 0 amappl10 152 5009 0 4993 1 0 1 1 0 8 0 amappl9 144 4459 0 4453 1 0 1 1 0 8 0 amappl8 136 9941 0 9762 10 3 7 7 0 8 0 amappl7 128 7542 0 7524 1 0 1 1 0 8 0 amappl6 120 4939 0 4905 16 14 2 2 0 8 0 amappl5 112 34976 0 34953 1 0 1 1 0 8 0 amappl4 104 11283 0 11249 12 10 2 2 0 8 0 amappl3 96 116363 0 116307 2 0 2 2 0 8 0 amappl2 88 47616 0 47544 3 1 2 3 0 8 0 amappl1 80 921160 0 920285 32 12 20 21 0 8 1 amappl 88 204798 0 204468 12 3 9 9 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 72 130 0 0 3 0 3 3 0 8 0 uaddrrnd 24 38961 0 38492 3 0 3 3 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 38961 0 38492 3 0 3 3 0 8 0 vmmpekpl 168 234069 0 233953 7 1 6 6 0 8 0 vmmpepl 168 3778628 0 3774319 868 670 198 220 0 357 5 vmsppl 368 38960 0 38492 45 2 43 43 0 8 0 rwobjpl 56 911310 0 897800 256 63 193 193 0 8 2 pdppl 4096 77929 0 77423 2044 1536 508 514 0 8 2 pvpl 32 14957972 0 14934732 1319 1108 211 323 0 265 9 pmappl 248 38960 0 38492 32 2 30 30 0 8 0 extentpl 40 58 0 38 1 0 1 1 0 8 0 phpool 112 5246 0 3363 55 0 55 55 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace pf_anchor_global_RB_REMOVE(ffffffff82b95f20,ffff800000e16000) at pf_anchor_global_RB_REMOVE+0x58 sys/net/pf_ruleset.c:84 pf_remove_if_empty_ruleset(ffff800000e16490) at pf_remove_if_empty_ruleset+0xdd sys/net/pf_ruleset.c:300 pfi_dynaddr_setup(ffff800000f362c8,0) at pfi_dynaddr_setup+0x411 sys/net/pf_if.c:485 pfioctl(4900,cd60441a,ffff800000be8000,43,ffff80002952fa48) at pfioctl+0x8e07 pf_addr_setup sys/net/pf_ioctl.c:894 [inline] pfioctl(4900,cd60441a,ffff800000be8000,43,ffff80002952fa48) at pfioctl+0x8e07 sys/net/pf_ioctl.c:1653 VOP_IOCTL(fffffd806f6819c8,cd60441a,ffff800000be8000,43,fffffd807f7d7120,ffff80002952fa48) at VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 vn_ioctl(fffffd80681bdbe0,cd60441a,ffff800000be8000,ffff80002952fa48) at vn_ioctl+0xbc sys/kern/vfs_vnops.c:531 sys_ioctl(ffff80002952fa48,ffff800024e57168,ffff800024e571c0) at sys_ioctl+0x4a2 syscall(ffff800024e57230) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800024e57230) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xf1460fc3660, 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