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(ffffffff82a407c0,ffff800000c34800) at pf_anchor_global_RB_REMOVE+0x58 sys/net/pf_ruleset.c:84 pf_remove_if_empty_ruleset(ffff800000c34c90) at pf_remove_if_empty_ruleset+0xdd sys/net/pf_ruleset.c:300 pfioctl(4900,cd60441a,ffff800000bef000,3,ffff8000211427e8) at pfioctl+0x925e sys/net/pf_ioctl.c:1719 VOP_IOCTL(fffffd806f841b88,cd60441a,ffff800000bef000,3,fffffd807f7d8540,ffff8000211427e8) at VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 vn_ioctl(fffffd8067496558,cd60441a,ffff800000bef000,ffff8000211427e8) at vn_ioctl+0xbc sys/kern/vfs_vnops.c:531 sys_ioctl(ffff8000211427e8,ffff80002e3a42d8,ffff80002e3a4330) at sys_ioctl+0x4a2 syscall(ffff80002e3a43a0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002e3a43a0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x262243277f0, count: -8 ddb{0}> show registers rdi 0xffff80002af47000 rsi 0x501 rbp 0xffff80002e3a3e30 rbx 0xffffffff82a407c0 pf_anchors rdx 0xffff80002af47000 rcx 0x500 rax 0xffffffff812c661b pf_anchor_global_RB_REMOVE+0x2b r8 0x101010101010101 r9 0x8080808080808080 r10 0xe9f169a13f4ad6fc r11 0x55b944cad1c945a2 r12 0x523be3bc95e15cfd r13 0xffffffff82a407c8 pf_main_anchor r14 0xffff800000c34800 r15 0xdead007fdeadbeef rip 0xffffffff812c6648 pf_anchor_global_RB_REMOVE+0x58 cs 0x8 rflags 0x10202 __ALIGN_SIZE+0xf202 rsp 0xffff80002e3a3de0 ss 0x10 pf_anchor_global_RB_REMOVE+0x58: movq 0(%r12),%rbx ddb{0}> show proc PROC (syz-executor.5) pid=43295 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=83, nice=20 forw=0xffffffffffffffff, list=0xffff80002af3cd28,0xffff800024a8afd8 process=0xffff8000ffff1910 user=0xffff80002e39f000, vmspace=0xfffffd807effe5c0 estcpu=33, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 92645 261843 47944 0 2 0 syz-executor.6 92645 353501 47944 0 3 0x4000080 kqpoll syz-executor.6 76753 489084 99758 0 3 0x80 nanoslp syz-executor.2 76753 267911 99758 0 3 0x4000080 fsleep syz-executor.2 85136 303933 70564 0 2 0 syz-executor.5 *85136 43295 70564 0 7 0x4000000 syz-executor.5 69002 200396 9332 0 2 0 syz-executor.1 69002 252439 9332 0 3 0x4000080 fsleep syz-executor.1 96653 233157 42714 0 3 0x82 piperd syz-executor.3 88764 121088 0 0 3 0x14200 acct acct 9332 492760 42714 0 3 0x82 nanoslp syz-executor.1 47944 164000 42714 0 3 0x82 nanoslp syz-executor.6 18896 70122 42714 0 3 0x82 piperd syz-executor.7 4699 331334 0 0 3 0x14280 nfsidl nfsio 3887 126873 0 0 3 0x14280 nfsidl nfsio 16380 417291 0 0 3 0x14280 nfsidl nfsio 88889 76823 0 0 3 0x14280 nfsidl nfsio 6961 101586 0 0 3 0x14280 nfsidl nfsio 88775 398027 0 0 3 0x14280 nfsidl nfsio 47247 392769 0 0 3 0x14280 nfsidl nfsio 18299 456492 0 0 3 0x14280 nfsidl nfsio 56808 323022 0 0 3 0x14280 nfsidl nfsio 28858 507612 0 0 3 0x14280 nfsidl nfsio 23826 327992 0 0 3 0x14280 nfsidl nfsio 8557 270110 0 0 3 0x14280 nfsidl nfsio 40047 130141 0 0 3 0x14280 nfsidl nfsio 80028 467419 0 0 3 0x14280 nfsidl nfsio 73179 123376 0 0 3 0x14280 nfsidl nfsio 93176 434103 0 0 3 0x14280 nfsidl nfsio 57848 162104 0 0 3 0x14280 nfsidl nfsio 93293 360248 0 0 3 0x14280 nfsidl nfsio 25853 290648 0 0 3 0x14280 nfsidl nfsio 76443 353972 0 0 3 0x14280 nfsidl nfsio 99758 460679 42714 0 3 0x82 nanoslp syz-executor.2 81222 163091 0 0 3 0x14200 bored sosplice 70564 190989 42714 0 3 0x82 nanoslp syz-executor.5 63076 122196 42714 0 2 0x2 syz-executor.0 42714 290794 76393 0 3 0x82 thrsleep syz-fuzzer 42714 451218 76393 0 3 0x4000082 nanoslp syz-fuzzer 42714 151085 76393 0 3 0x4000082 thrsleep syz-fuzzer 42714 308849 76393 0 3 0x4000082 thrsleep syz-fuzzer 42714 33024 76393 0 3 0x4000082 thrsleep syz-fuzzer 42714 203582 76393 0 3 0x4000082 thrsleep syz-fuzzer 42714 162545 76393 0 3 0x4000082 kqread syz-fuzzer 42714 9672 76393 0 3 0x4000082 nanoslp syz-fuzzer 42714 52283 76393 0 3 0x4000082 thrsleep syz-fuzzer 76393 45674 8494 0 3 0x10008a sigsusp ksh 8494 309896 54439 0 3 0x9a kqread sshd 93067 517335 1 0 3 0x100083 ttyin getty 54439 110952 1 0 3 0x88 kqread sshd 43042 297138 60383 74 3 0x1100092 bpf pflogd 60383 412998 1 0 3 0x80 netio pflogd 27041 384525 96238 73 3 0x1100090 kqread syslogd 96238 507256 1 0 3 0x100082 netio syslogd 40498 344848 1 0 3 0x100080 kqread resolvd 11554 265021 80916 77 3 0x100092 kqread dhcpleased 353 60970 80916 77 3 0x100092 kqread dhcpleased 80916 473608 1 0 3 0x80 kqread dhcpleased 58322 85778 0 0 3 0x14200 bored smr 89767 319992 0 0 2 0x14200 zerothread 49081 458873 0 0 3 0x14200 aiodoned aiodoned 27403 170219 0 0 3 0x14200 syncer update 79630 372326 0 0 3 0x14200 cleaner cleaner 86537 411318 0 0 3 0x14200 reaper reaper 73193 182928 0 0 3 0x14200 pgdaemon pagedaemon 88274 129176 0 0 3 0x14200 bored viomb 22611 520673 0 0 3 0x40014200 acpi0 acpi0 82131 133399 0 0 7 0x40014200 idle1 63686 453422 0 0 3 0x14200 bored softnet 2387 372493 0 0 3 0x14200 bored systqmp 40401 486997 0 0 3 0x14200 bored systq 44633 306305 0 0 3 0x40014200 bored softclock 52726 123712 0 0 3 0x40014200 idle0 1 12319 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 85136 (syz-executor.5) thread 0xffff8000211427e8 (43295) exclusive rwlock pf_lock r = 0 (0xffffffff82900440) #0 witness_lock+0x44d #1 pfioctl+0x5be8 sys/net/pf_ioctl.c:1607 #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 (0xffffffff8299e650) #0 witness_lock+0x44d #1 pfioctl+0x3708 sys/net/pf_ioctl.c:1607 #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 (0xffffffff829004a0) #0 witness_lock+0x44d #1 pfioctl+0x15e sys/net/pf_ioctl.c:1147 #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 (0xffffffff82b8b778) #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 63076 (syz-executor.0) thread 0xffff8000ffff5500 (122196) exclusive rrwlock inode r = 0 (0xfffffd80674590a0) #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 ufs_ihashins+0x42 sys/ufs/ufs/ufs_ihash.c:140 #5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1347 #6 ffs_inode_alloc+0x1be sys/ufs/ffs/ffs_alloc.c:394 #7 ufs_mkdir+0xf4 sys/ufs/ufs/ufs_vnops.c:1162 #8 VOP_MKDIR+0xbf sys/kern/vfs_vops.c:404 #9 domkdirat+0x121 sys/kern/vfs_syscalls.c:3101 #10 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #10 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806a88fe68) #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 domkdirat+0x75 sys/kern/vfs_syscalls.c:3086 #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 10202 6548K 6892K 78643K 16422 0 pcb 13 16K 21K 78643K 605 0 rtable 206 15K 17K 78643K 1138 0 ifaddr 82 17K 20K 78643K 433 0 sysctl 2 0K 0K 78643K 2 0 counters 54 35K 35K 78643K 134 0 ioctlops 1 4K 4K 78643K 6014 0 iov 0 0K 24K 78643K 593 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 5 0 vnodes 1308 82K 82K 78643K 3242 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 58 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 6136 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 13 45K 85K 78643K 6246 0 sigio 0 0K 0K 78643K 128 0 proc 70 87K 124K 78643K 1133 0 subproc 91 5K 6K 78643K 312 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 206 0 in_multi 83 5K 6K 78643K 368 0 ether_multi 1 0K 0K 78643K 21 0 mrt 2 0K 0K 78643K 23 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 163 731K 731K 78643K 163 0 exec 0 0K 2K 78643K 1565 0 pfkey data 0 0K 0K 78643K 4 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 372 226K 238K 78643K 76716 0 UVM aobj 131 4K 4K 78643K 132 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 155 0 NDP 11 0K 2K 78643K 105 0 temp 130 4727K 4809K 78643K 81575 0 kqueue 12 18K 24K 78643K 266 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 120 344 0 341 6 5 1 3 0 8 0 rtentry 112 353 0 264 4 0 4 4 0 8 0 unpcb 136 3197 0 3182 34 28 6 6 0 8 5 syncache 296 21 0 21 7 7 0 1 0 8 0 tcpqe 32 3 0 3 1 1 0 1 0 8 0 tcpcb 736 1246 0 1242 52 46 6 14 0 8 5 arp 120 52 0 37 1 0 1 1 0 8 0 inpcb 312 3542 0 3533 62 56 6 14 0 8 5 rttmr 72 15 0 15 3 3 0 1 0 8 0 ip6q 72 4 0 4 1 1 0 1 0 8 0 ip6af 40 12 0 12 1 1 0 1 0 8 0 nd6 48 89 0 67 1 0 1 1 0 8 0 pkpcb 40 11 0 11 3 3 0 1 0 8 0 kcovpl 48 24 0 17 1 0 1 1 0 8 0 ppxss 1248 12 0 12 2 2 0 1 0 8 0 pfstscr 40 11 0 11 2 2 0 1 0 8 0 pffrag 232 41 0 38 2 1 1 1 0 482 0 pffrnode 88 41 0 38 2 1 1 1 0 8 0 pffrent 40 116 0 113 2 1 1 1 0 8 0 pfosfp 40 1430 0 1006 5 0 5 5 0 8 0 pfosfpen 112 1430 0 714 21 0 21 21 0 8 0 pfrktable 1344 51 21 48 3 2 1 1 0 8 0 pftag 88 22 0 21 1 0 1 1 0 8 0 pfqueue 264 7 0 7 2 2 0 1 0 8 0 pfstitem 24 39 0 37 1 0 1 1 0 8 0 pfstkey 112 59 0 57 1 0 1 1 0 8 0 pfstate 320 49 0 47 3 2 1 2 0 8 0 pfrule 1360 115 0 96 4 2 2 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 1692 0 1309 35 7 28 31 0 8 2 art_table 32 1693 0 1309 4 0 4 4 0 8 0 art_node 16 352 0 273 1 0 1 1 0 8 0 sysvmsgpl 40 21 0 8 1 0 1 1 0 8 0 semupl 112 10 0 10 2 2 0 1 0 8 0 semapl 112 6134 0 6124 1 0 1 1 0 8 0 shmpl 112 129 0 1 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 8894 0 7447 92 0 92 92 0 8 0 ffsino 272 8894 0 7447 98 0 98 98 0 8 0 nchpl 144 16369 0 14754 63 1 62 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 54530 0 54529 5 4 1 2 0 8 0 percpumem 16 79 0 40 1 0 1 1 0 8 0 vcpupl 2048 13 0 0 2 0 2 2 0 8 0 vmpool 560 22 0 9 1 0 1 1 0 8 0 pfiaddrpl 120 34 0 31 3 2 1 1 0 8 0 scsiplug 72 2 0 2 1 1 0 1 0 8 0 scxspl 216 51740 0 51740 15 14 1 8 0 8 1 plimitpl 152 364 0 350 1 0 1 1 0 8 0 sigapl 424 6538 0 6476 8 0 8 8 0 8 0 futexpl 64 81412 0 81410 4 3 1 1 0 8 0 knotepl 120 392 0 0 7 0 7 7 0 8 0 kqueuepl 216 937 0 928 19 17 2 5 0 8 1 pipepl 336 926 0 901 30 27 3 8 0 8 0 fdescpl 496 6502 0 6476 5 1 4 5 0 8 0 filepl 152 33728 0 33505 60 43 17 19 0 8 7 lockfpl 104 1186 0 1184 2 1 1 2 0 8 0 lockfspl 48 349 0 347 1 0 1 1 0 8 0 sessionpl 144 40 0 24 1 0 1 1 0 8 0 pgrppl 48 120 0 104 1 0 1 1 0 8 0 ucredpl 96 4065 0 4053 1 0 1 1 0 8 0 zombiepl 144 6476 0 6476 1 0 1 1 0 8 1 processpl 1064 6538 0 6476 5 0 5 5 0 8 0 procpl 672 15194 0 15120 13 5 8 9 0 8 1 srpgc 96 20 0 20 3 3 0 1 0 8 0 sosppl 168 21 0 21 5 5 0 1 0 8 0 sockpl 480 7096 0 7069 216 196 20 28 0 8 16 mcl64k 65536 9 0 0 2 0 2 2 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 13 0 0 2 0 2 2 0 8 0 mcl9k 9216 4 0 0 1 0 1 1 0 8 0 mcl8k 8192 17 0 0 3 0 3 3 0 8 0 mcl4k 4096 8 0 0 1 0 1 1 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 192 0 0 19 1 18 19 0 8 0 mtagpl 96 291 0 0 6 0 6 6 0 8 0 mbufpl 256 5852 0 0 362 0 362 362 0 8 0 bufpl 288 13052 0 6716 453 0 453 453 0 8 0 anonpl 24 1766442 0 1749992 251 98 153 165 0 186 19 amapchunkpl 152 183115 0 182342 63 24 39 43 0 158 4 amappl16 200 19185 0 18513 148 101 47 53 0 8 8 amappl15 192 2536 0 2528 1 0 1 1 0 8 0 amappl14 184 1541 0 1533 1 0 1 1 0 8 0 amappl13 176 879 0 878 1 0 1 1 0 8 0 amappl12 168 802 0 798 1 0 1 1 0 8 0 amappl11 160 300 0 284 1 0 1 1 0 8 0 amappl10 152 954 0 946 1 0 1 1 0 8 0 amappl9 144 473 0 471 1 0 1 1 0 8 0 amappl8 136 1516 0 1434 3 0 3 3 0 8 0 amappl7 128 728 0 717 1 0 1 1 0 8 0 amappl6 120 281 0 250 2 1 1 2 0 8 0 amappl5 112 5844 0 5829 1 0 1 1 0 8 0 amappl4 104 2879 0 2850 2 1 1 2 0 8 0 amappl3 96 1245 0 1234 1 0 1 1 0 8 0 amappl2 88 1578 0 1528 3 1 2 3 0 8 0 amappl1 80 116985 0 116439 20 6 14 19 0 8 0 amappl 88 75895 0 75648 7 0 7 7 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 72 131 0 1 3 0 3 3 0 8 0 uaddrrnd 24 6524 0 6485 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 6524 0 6485 1 0 1 1 0 8 0 vmmpekpl 168 43611 0 43553 4 0 4 4 0 8 0 vmmpepl 168 582447 0 579971 216 83 133 138 0 357 13 vmsppl 368 6523 0 6485 5 1 4 4 0 8 0 rwobjpl 56 145397 0 137685 125 11 114 115 0 8 3 pdppl 4096 13055 0 12983 304 222 82 82 0 8 10 pvpl 32 3053615 0 3033915 411 173 238 263 0 265 36 pmappl 248 6523 0 6485 4 1 3 3 0 8 0 extentpl 40 58 0 38 1 0 1 1 0 8 0 phpool 112 1537 0 368 34 0 34 34 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace pf_anchor_global_RB_REMOVE(ffffffff82a407c0,ffff800000c34800) at pf_anchor_global_RB_REMOVE+0x58 sys/net/pf_ruleset.c:84 pf_remove_if_empty_ruleset(ffff800000c34c90) at pf_remove_if_empty_ruleset+0xdd sys/net/pf_ruleset.c:300 pfioctl(4900,cd60441a,ffff800000bef000,3,ffff8000211427e8) at pfioctl+0x925e sys/net/pf_ioctl.c:1719 VOP_IOCTL(fffffd806f841b88,cd60441a,ffff800000bef000,3,fffffd807f7d8540,ffff8000211427e8) at VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 vn_ioctl(fffffd8067496558,cd60441a,ffff800000bef000,ffff8000211427e8) at vn_ioctl+0xbc sys/kern/vfs_vnops.c:531 sys_ioctl(ffff8000211427e8,ffff80002e3a42d8,ffff80002e3a4330) at sys_ioctl+0x4a2 syscall(ffff80002e3a43a0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002e3a43a0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x262243277f0, count: -8 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