kernel: protection fault trap, code=0 Stopped at done_flush+0x38: movl %eax,%dr6 ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic the kernel did not panic ddb{0}> trace done_flush() at done_flush+0x38 vm_run(ffff80002e3916a0) at vm_run+0x304 sys/arch/amd64/amd64/vmm.c:4297 vmmioctl(a00,c0205602,ffff80002e3916a0,1,ffff80002e3e4a88) at vmmioctl+0x8f sys/arch/amd64/amd64/vmm.c:492 VOP_IOCTL(fffffd806e122bb0,c0205602,ffff80002e3916a0,1,fffffd807f7d8060,ffff80002e3e4a88) at VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 vn_ioctl(fffffd8062a4d308,c0205602,ffff80002e3916a0,ffff80002e3e4a88) at vn_ioctl+0xbc sys/kern/vfs_vnops.c:531 sys_ioctl(ffff80002e3e4a88,ffff80002e3917b8,ffff80002e391810) at sys_ioctl+0x4a2 syscall(ffff80002e391880) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002e391880) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc1fd2e78f20, count: -8 ddb{0}> show registers rdi 0x6c14 __ALIGN_SIZE+0x5c14 rsi 0xffff8000211bc638 rbp 0xffff80002e391410 rbx 0x756e6547 rdx 0x49656e69 rcx 0x6c65746e rax 0xc0bb4aeec25a36bd r8 0 r9 0x10000 __ALIGN_SIZE+0xf000 r10 0xb77e54a4356f7a3e r11 0xe2afa8e9a138cc71 r12 0xffffffff829009e0 dt_prov_static r13 0x246 r14 0xffff8000211bc000 r15 0xffff80002e3916a0 rip 0xffffffff81d17ab0 done_flush+0x38 cs 0x8 rflags 0x10046 __ALIGN_SIZE+0xf046 rsp 0xffff80002e391266 ss 0x10 done_flush+0x38: movl %eax,%dr6 ddb{0}> show proc PROC (syz-executor.4) pid=429018 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff80002e3e4548,0xffffffff82a07c78 process=0xffff8000211a0860 user=0xffff80002e38c000, vmspace=0xfffffd80730258c0 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 79571 354819 91578 0 2 0 syz-executor.4 *79571 429018 91578 0 7 0x4000000 syz-executor.4 9019 395788 65530 0 3 0x80 nanoslp syz-executor.5 9019 487452 65530 0 3 0x4000080 fsleep syz-executor.5 18085 138289 24723 0 3 0x80 nanoslp syz-executor.6 18085 519079 24723 0 3 0x4000080 fsleep syz-executor.6 68243 119388 12556 0 3 0x80 nanoslp syz-executor.1 68243 168515 12556 0 3 0x4000080 lockf syz-executor.1 68243 470491 12556 0 3 0x4000080 fsleep syz-executor.1 68243 187337 12556 0 3 0x4000080 fsleep syz-executor.1 91578 347217 26414 0 3 0x82 nanoslp syz-executor.4 65530 345810 26414 0 3 0x82 nanoslp syz-executor.5 24723 282096 26414 0 3 0x82 nanoslp syz-executor.6 11567 72115 26414 0 2 0x2 syz-executor.0 60433 16761 26414 0 3 0x82 piperd syz-executor.7 12556 354206 26414 0 3 0x82 nanoslp syz-executor.1 28661 261470 26414 0 2 0x2 syz-executor.2 12655 215309 0 0 3 0x14200 acct acct 92446 466116 26414 0 3 0x82 piperd syz-executor.3 31680 203208 1 0 3 0x100083 ttyin getty 96953 38715 0 0 3 0x14200 bored sosplice 26414 260280 31458 0 3 0x82 thrsleep syz-fuzzer 26414 441557 31458 0 3 0x4000082 nanoslp syz-fuzzer 26414 66947 31458 0 3 0x4000082 thrsleep syz-fuzzer 26414 30682 31458 0 3 0x4000082 thrsleep syz-fuzzer 26414 8019 31458 0 3 0x4000082 nanoslp syz-fuzzer 26414 326515 31458 0 3 0x4000082 thrsleep syz-fuzzer 26414 485300 31458 0 3 0x4000082 thrsleep syz-fuzzer 26414 193172 31458 0 3 0x4000082 kqread syz-fuzzer 26414 64324 31458 0 3 0x4000082 thrsleep syz-fuzzer 31458 18853 85791 0 3 0x10008a sigsusp ksh 85791 140985 48760 0 3 0x9a poll sshd 48760 117327 1 0 3 0x88 poll sshd 18743 166582 58824 74 3 0x100092 bpf pflogd 58824 302908 1 0 3 0x80 netio pflogd 10909 388782 94775 73 3 0x100090 kqread syslogd 94775 401998 1 0 3 0x100082 netio syslogd 90930 229501 1 0 3 0x100080 kqread resolvd 6161 466401 99936 77 3 0x100092 kqread dhcpleased 49509 339423 99936 77 3 0x100092 kqread dhcpleased 99936 524269 1 0 3 0x80 kqread dhcpleased 53395 368097 0 0 3 0x14200 bored smr 17345 483366 0 0 2 0x14200 zerothread 26669 182339 0 0 3 0x14200 aiodoned aiodoned 18621 283466 0 0 3 0x14200 syncer update 72580 189453 0 0 3 0x14200 cleaner cleaner 96477 61917 0 0 3 0x14200 reaper reaper 37166 207331 0 0 3 0x14200 pgdaemon pagedaemon 64083 213855 0 0 3 0x14200 bored viomb 7428 502931 0 0 3 0x40014200 acpi0 acpi0 65887 57485 0 0 7 0x40014200 idle1 91977 423168 0 0 3 0x14200 bored softnet 86902 366186 0 0 3 0x14200 bored systqmp 19225 98483 0 0 3 0x14200 bored systq 42294 369448 0 0 3 0x40014200 bored softclock 46295 340590 0 0 3 0x40014200 idle0 1 266542 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 79571 (syz-executor.4) thread 0xffff80002e3e4a88 (429018) exclusive rwlock vcpu r = 0 (0xffff8000211bc3b0) #0 witness_lock+0x44d #1 vm_run+0x2e0 sys/arch/amd64/amd64/vmm.c:4264 #2 vmmioctl+0x8f sys/arch/amd64/amd64/vmm.c:492 #3 VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 #4 vn_ioctl+0xbc sys/kern/vfs_vnops.c:531 #5 sys_ioctl+0x4a2 #6 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #6 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #7 Xsyscall+0x128 Process 11567 (syz-executor.0) thread 0xffff80002e3e4008 (72115) exclusive rrwlock inode r = 0 (0xfffffd80678890a0) #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:3100 #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 (0xfffffd805cfe4700) #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:3085 #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 Process 28661 (syz-executor.2) thread 0xffff800022c5ba48 (261470) exclusive rrwlock inode r = 0 (0xfffffd807051a098) #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:677 #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:1849 #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 (0xfffffd806e0d80a8) #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:1849 #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 10246 6796K 10622K 78643K 132665 0 pcb 13 20K 25K 78643K 41595 0 rtable 303 33K 34K 78643K 12183 0 ifaddr 97 31K 40K 78643K 5121 0 sysctl 3 1K 3K 78643K 6 0 counters 56 35K 36K 78643K 1500 0 ioctlops 0 0K 4K 78643K 15257 0 iov 0 0K 28K 78643K 5346 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 5 0 vnodes 2001 125K 125K 78643K 37600 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 404 0 VM map 2 1K 1K 78643K 2 0 sem 21 17K 33K 78643K 739 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12598 0 file desc 14 49K 89K 78643K 53098 0 sigio 0 0K 0K 78643K 900 0 proc 73 87K 124K 78643K 7119 0 subproc 104 13K 29K 78643K 2359 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 3651 0 in_multi 81 5K 7K 78643K 4245 0 ether_multi 1 0K 0K 78643K 748 0 mrt 2 0K 0K 78643K 472 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 253 1129K 1129K 78643K 253 0 exec 0 0K 2K 78643K 12022 0 pfkey data 0 0K 0K 78643K 36 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 873 2079K 2095K 78643K 662712 0 UVM aobj 136 4K 4K 78643K 147 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 3201 0 NDP 13 0K 1K 78643K 1224 0 temp 152 4719K 8816K 78643K 548117 0 kqueue 10 14K 24K 78643K 2137 0 SYN cache 2 8K 16K 78643K 3 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 3649 0 3646 56 55 1 5 0 8 0 rtentry 112 3007 0 2908 5 1 4 4 0 8 0 unpcb 136 40622 0 40607 396 390 6 14 0 8 5 syncache 296 139 0 139 32 32 0 1 0 8 0 tcpqe 32 39 0 39 19 19 0 1 0 8 0 tcpcb 736 22483 0 22479 607 600 7 20 0 8 6 arp 120 352 0 337 1 0 1 1 0 8 0 inpcb 304 91868 0 91859 698 691 7 19 0 8 6 rttmr 72 221 0 221 35 35 0 1 0 8 0 ip6q 72 8 0 8 2 2 0 1 0 8 0 ip6af 40 88 0 88 2 2 0 1 0 8 0 nd6 48 758 0 730 1 0 1 1 0 8 0 pkpcb 40 389 0 389 27 27 0 1 0 8 0 kcovpl 48 164 0 156 1 0 1 1 0 8 0 ppxss 1248 172 0 172 53 53 0 1 0 8 0 pfstscr 40 29 0 29 7 7 0 1 0 8 0 pffrag 232 426 0 424 27 26 1 1 0 482 0 pffrnode 88 425 0 423 27 26 1 1 0 8 0 pffrent 40 3346 0 3344 29 28 1 1 0 8 0 pfosfp 40 1447 0 1446 6 5 1 5 0 8 0 pfosfpen 112 1447 0 1446 22 21 1 21 0 8 0 pfrke_plain 168 82 0 72 8 7 1 1 0 8 0 pfrktable 1344 1306 0 1272 10 7 3 4 0 8 0 pftag 88 15 0 7 1 0 1 1 0 8 0 pfstitem 24 61 0 59 1 0 1 1 0 8 0 pfstkey 112 111 0 109 1 0 1 1 0 8 0 pfstate 320 82 0 80 3 2 1 3 0 8 0 pfsrctr 152 43 0 43 1 1 0 1 0 8 0 pfrule 1360 1813 0 1432 39 7 32 33 0 8 0 art_heap8 4096 8 0 6 5 3 2 3 0 8 0 art_heap4 256 12203 0 11727 84 51 33 33 0 8 0 art_table 32 12211 0 11733 7 2 5 5 0 8 0 art_node 16 2799 0 2713 1 0 1 1 0 8 0 sysvmsgpl 40 7 0 6 1 0 1 1 0 8 0 semupl 112 3 0 3 1 1 0 1 0 8 0 semapl 112 729 0 710 1 0 1 1 0 8 0 shmpl 112 144 0 16 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 71529 0 69868 105 0 105 105 0 8 0 ffsino 272 71529 0 69868 112 0 112 112 0 8 0 nchpl 144 144225 0 142600 63 0 63 63 0 8 0 rtmask 32 32 0 30 8 7 1 1 0 8 0 uvmvnodes 80 6169 0 0 126 0 126 126 0 8 0 vnodes 224 6169 0 0 363 0 363 363 0 8 0 namei 1024 503630 0 503629 11 10 1 2 0 8 0 percpumem 16 762 0 722 1 0 1 1 0 8 0 vcpupl 2048 332 0 2 42 0 42 42 0 8 0 vmpool 560 514 0 184 26 2 24 24 0 8 0 pfiaddrpl 120 405 0 298 5 1 4 4 0 8 0 scsiplug 72 51 0 51 16 16 0 1 0 8 0 scxspl 216 410529 0 410529 66 65 1 8 0 8 1 plimitpl 152 6225 0 6210 1 0 1 1 0 8 0 sigapl 424 53127 0 53084 10 4 6 8 0 8 0 futexpl 64 536012 0 536008 8 7 1 1 0 8 0 knotepl 112 437 0 0 4 0 4 4 0 8 0 kqueuepl 216 11214 0 11188 216 214 2 9 0 8 0 pipepl 336 10154 0 10125 264 261 3 13 0 8 0 fdescpl 496 53064 0 53037 7 3 4 5 0 8 0 filepl 152 401267 0 401016 597 582 15 27 0 8 4 lockfpl 104 16701 0 16697 29 28 1 2 0 8 0 lockfspl 48 4743 0 4740 1 0 1 1 0 8 0 sessionpl 144 181 0 164 1 0 1 1 0 8 0 pgrppl 48 627 0 610 1 0 1 1 0 8 0 ucredpl 96 47306 0 47274 1 0 1 1 0 8 0 zombiepl 144 53084 0 53084 3 2 1 1 0 8 1 processpl 1064 53127 0 53084 6 1 5 5 0 8 0 procpl 672 145546 0 145489 69 62 7 9 0 8 0 srpgc 96 144 0 144 36 36 0 1 0 8 0 sosppl 168 497 0 497 71 70 1 1 0 8 1 sockpl 480 137330 0 137303 2454 2442 12 50 0 8 8 mcl64k 65536 60 0 0 3 0 3 3 0 8 0 mcl16k 16384 17 0 0 3 1 2 3 0 8 0 mcl12k 12288 49 0 0 2 0 2 2 0 8 0 mcl9k 9216 33 0 0 2 0 2 2 0 8 0 mcl8k 8192 50 0 0 7 4 3 3 0 8 0 mcl4k 4096 40 0 0 4 2 2 3 0 8 0 mcl2k2 2112 17 0 0 2 0 2 2 0 8 0 mcl2k 2048 610 0 0 23 6 17 20 0 8 0 mtagpl 96 2324 0 0 14 0 14 14 0 8 0 mbufpl 256 8515 0 0 428 0 428 428 0 8 0 bufpl 288 92759 0 86573 454 2 452 454 0 8 0 anonpl 24 15026419 0 14998789 840 662 178 202 0 186 0 amapchunkpl 152 1691877 0 1690760 436 388 48 61 0 158 1 amappl16 200 147514 0 146616 424 372 52 63 0 8 0 amappl15 192 8239 0 8232 1 0 1 1 0 8 0 amappl14 184 7834 0 7828 2 1 1 1 0 8 0 amappl13 176 11566 0 11565 1 0 1 1 0 8 0 amappl12 168 8691 0 8681 1 0 1 1 0 8 0 amappl11 160 3061 0 3041 1 0 1 1 0 8 0 amappl10 152 5735 0 5722 1 0 1 1 0 8 0 amappl9 144 4030 0 4027 1 0 1 1 0 8 0 amappl8 136 12271 0 11985 10 0 10 10 0 8 0 amappl7 128 8170 0 8159 1 0 1 1 0 8 0 amappl6 120 4311 0 4283 2 1 1 2 0 8 0 amappl5 112 47297 0 47271 3 2 1 2 0 8 0 amappl4 104 12370 0 12323 5 3 2 2 0 8 0 amappl3 96 15738 0 15720 1 0 1 1 0 8 0 amappl2 88 18948 0 18868 2 0 2 2 0 8 0 amappl1 80 944165 0 943599 20 6 14 15 0 8 0 amappl 88 658134 0 657735 15 4 11 11 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 72 146 0 11 3 0 3 3 0 8 0 uaddrrnd 24 53578 0 53221 3 0 3 3 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 53578 0 53221 3 0 3 3 0 8 0 vmmpekpl 168 351642 0 351533 6 0 6 6 0 8 0 vmmpepl 168 4849009 0 4845387 744 554 190 208 0 357 0 vmsppl 368 53577 0 53221 33 0 33 33 0 8 0 rwobjpl 56 1143401 0 1134794 147 21 126 126 0 8 0 pdppl 4096 107163 0 106772 2004 1605 399 399 0 8 8 pvpl 32 24712236 0 24687084 1079 855 224 289 0 265 0 pmappl 248 53577 0 53221 24 1 23 23 0 8 0 extentpl 40 57 0 38 1 0 1 1 0 8 0 phpool 112 4234 0 2554 49 0 49 49 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace done_flush() at done_flush+0x38 vm_run(ffff80002e3916a0) at vm_run+0x304 sys/arch/amd64/amd64/vmm.c:4297 vmmioctl(a00,c0205602,ffff80002e3916a0,1,ffff80002e3e4a88) at vmmioctl+0x8f sys/arch/amd64/amd64/vmm.c:492 VOP_IOCTL(fffffd806e122bb0,c0205602,ffff80002e3916a0,1,fffffd807f7d8060,ffff80002e3e4a88) at VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 vn_ioctl(fffffd8062a4d308,c0205602,ffff80002e3916a0,ffff80002e3e4a88) at vn_ioctl+0xbc sys/kern/vfs_vnops.c:531 sys_ioctl(ffff80002e3e4a88,ffff80002e3917b8,ffff80002e391810) at sys_ioctl+0x4a2 syscall(ffff80002e391880) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002e391880) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc1fd2e78f20, 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