load: 10.24 cmd: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(ffff8000295284f0) at vm_run+0x308 sys/arch/amd64/amd64/vmm.c:4485 vmmioctl(a00,c0205602,ffff8000295284f0,1,ffff8000fffee7e8) at vmmioctl+0x192 sys/arch/amd64/amd64/vmm.c:661 VOP_IOCTL(fffffd806e4cd910,c0205602,ffff8000295284f0,1,fffffd807f7d74e0,ffff8000fffee7e8) at VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 vn_ioctl(fffffd80691ada38,c0205602,ffff8000295284f0,ffff8000fffee7e8) at vn_ioctl+0xbc sys/kern/vfs_vnops.c:528 sys_ioctl(ffff8000fffee7e8,ffff800029528608,ffff800029528660) at sys_ioctl+0x4a2 syscall(ffff8000295286d0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000295286d0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7e4069aec30, count: -8 ddb{0}> show registers rdi 0x6c14 __ALIGN_SIZE+0x5c14 rsi 0xffff80002e365e38 rbp 0xffff800029528250 rbx 0x756e6547 rdx 0x49656e69 rcx 0x6c65746e rax 0x100000001 r8 0 r9 0x10000 __ALIGN_SIZE+0xf000 r10 0xc8ec7bde9326b20d r11 0x144e790e06e2b04d r12 0xffffffff82960380 dt_prov_static r13 0x246 r14 0xffff80002e365800 r15 0xffff8000295284f0 rip 0xffffffff816bb1f0 done_flush+0x38 cs 0x8 rflags 0x10046 __ALIGN_SIZE+0xf046 rsp 0xffff8000295280a6 ss 0x10 done_flush+0x38: movl %eax,%dr6 ddb{0}> show proc PROC (syz-executor.3) pid=463067 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff80002288ed28,0xffff8000fffee558 process=0xffff8000244e6de0 user=0xffff800029523000, vmspace=0xfffffd807d317e60 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 97767 112133 23909 0 2 0 syz-executor.0 97767 208591 23909 0 3 0x4000080 fsleep syz-executor.0 75437 353123 12251 0 2 0 syz-executor.5 75437 160484 12251 0 3 0x4000080 fsleep syz-executor.5 55652 133202 79451 0 3 0x80 nanoslp syz-executor.2 55652 3349 79451 0 3 0x4000080 fsleep syz-executor.2 45973 228821 84985 0 2 0 syz-executor.3 *45973 463067 84985 0 7 0x4000000 syz-executor.3 12380 372280 72442 0 3 0x80 nanoslp syz-executor.4 12380 159238 72442 0 3 0x4000080 fsleep syz-executor.4 24795 450685 1 0 3 0x100083 ttyin getty 44012 199311 69414 0 2 0x482 syz-executor.1 84985 229182 69414 0 3 0x82 nanoslp syz-executor.3 79451 285314 69414 0 3 0x82 nanoslp syz-executor.2 7175 422582 69414 0 2 0x482 syz-executor.6 93247 280882 0 0 3 0x14200 acct acct 59097 354716 0 0 3 0x14280 nfsidl nfsio 26032 140858 0 0 3 0x14280 nfsidl nfsio 3714 236300 0 0 3 0x14280 nfsidl nfsio 32275 480126 0 0 3 0x14280 nfsidl nfsio 44705 240329 0 0 3 0x14280 nfsidl nfsio 50475 220800 0 0 3 0x14280 nfsidl nfsio 24281 226998 0 0 3 0x14280 nfsidl nfsio 6304 107563 0 0 3 0x14280 nfsidl nfsio 88027 354007 0 0 3 0x14280 nfsidl nfsio 50700 464091 0 0 3 0x14280 nfsidl nfsio 73529 284553 0 0 3 0x14280 nfsidl nfsio 91871 95148 0 0 3 0x14280 nfsidl nfsio 78209 486855 0 0 3 0x14280 nfsidl nfsio 53768 291836 0 0 3 0x14280 nfsidl nfsio 59417 138503 0 0 3 0x14280 nfsidl nfsio 11329 198806 0 0 3 0x14280 nfsidl nfsio 53170 482482 0 0 3 0x14280 nfsidl nfsio 70026 434828 0 0 3 0x14280 nfsidl nfsio 22783 401065 0 0 3 0x14280 nfsidl nfsio 47928 309174 0 0 3 0x14280 nfsidl nfsio 72442 408891 69414 0 3 0x82 nanoslp syz-executor.4 48788 455904 69414 0 2 0x2 syz-executor.7 23909 317537 69414 0 2 0x482 syz-executor.0 12251 73314 69414 0 3 0x82 nanoslp syz-executor.5 37719 462763 0 0 3 0x14200 bored sosplice 69414 9902 57003 0 2 0x2 syz-fuzzer 69414 252144 57003 0 2 0x4000482 syz-fuzzer 69414 442111 57003 0 3 0x4000082 thrsleep syz-fuzzer 69414 103788 57003 0 3 0x4000082 thrsleep syz-fuzzer 69414 2741 57003 0 3 0x4000082 thrsleep syz-fuzzer 69414 319632 57003 0 3 0x4000082 thrsleep syz-fuzzer 69414 104575 57003 0 3 0x4000082 thrsleep syz-fuzzer 69414 49183 57003 0 2 0x4000082 syz-fuzzer 69414 160903 57003 0 3 0x4000082 thrsleep syz-fuzzer 57003 20040 78822 0 3 0x10008a sigsusp ksh 78822 468400 33800 0 3 0x9a kqread sshd 33800 498748 1 0 3 0x88 kqread sshd 65091 263590 69315 74 3 0x1100092 bpf pflogd 69315 9816 1 0 3 0x80 netio pflogd 77167 238689 98093 73 3 0x1100090 kqread syslogd 98093 188497 1 0 3 0x100082 netio syslogd 26731 308071 1 0 3 0x100080 kqread resolvd 47359 114708 71 77 3 0x100092 kqread dhcpleased 61021 36448 71 77 3 0x100092 kqread dhcpleased 71 39916 1 0 3 0x80 kqread dhcpleased 76199 54190 0 0 3 0x14200 bored smr 62122 518670 0 0 2 0x14200 zerothread 80024 131076 0 0 3 0x14200 aiodoned aiodoned 4164 148454 0 0 3 0x14200 syncer update 28106 331596 0 0 3 0x14200 cleaner cleaner 31707 222952 0 0 3 0x14200 reaper reaper 99377 444720 0 0 3 0x14200 pgdaemon pagedaemon 81084 12619 0 0 3 0x14200 bored viomb 73889 333684 0 0 3 0x40014200 acpi0 acpi0 87723 502489 0 0 7 0x40014200 idle1 29207 243067 0 0 3 0x14200 bored softnet 80931 114304 0 0 3 0x14200 bored softnet 53176 243591 0 0 3 0x14200 bored softnet 35054 455389 0 0 3 0x14200 bored softnet 60556 153603 0 0 3 0x14200 bored systqmp 68704 197818 0 0 3 0x14200 bored systq 37245 182027 0 0 2 0x40014200 softclock 9774 393678 0 0 3 0x40014200 idle0 1 434730 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10217 6503K 7236K 78643K 40277 0 pcb 13 24K 28K 78643K 3942 0 rtable 236 16K 18K 78643K 5259 0 ifaddr 98 23K 24K 78643K 2351 0 sysctl 2 0K 2K 78643K 10 0 counters 56 35K 36K 78643K 474 0 ioctlops 0 0K 8K 78643K 34687 0 iov 0 0K 32K 78643K 2105 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 5 0 vnodes 1539 96K 97K 78643K 12140 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 209 0 VM map 2 1K 1K 78643K 2 0 sem 11 16K 26K 78643K 29 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 15 53K 89K 78643K 28032 0 sigio 0 0K 0K 78643K 223 0 proc 79 92K 127K 78643K 3356 0 subproc 104 6K 8K 78643K 1065 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 594 0 in_multi 79 5K 7K 78643K 1262 0 ether_multi 1 0K 0K 78643K 87 0 mrt 2 0K 0K 78643K 71 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 211 943K 943K 78643K 211 0 exec 0 0K 2K 78643K 4406 0 pfkey data 0 0K 0K 78643K 86 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 684 1674K 1675K 78643K 154634 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 622 0 NDP 14 0K 2K 78643K 418 0 temp 200 4856K 5880K 78643K 168639 0 kqueue 14 18K 28K 78643K 1425 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 1053 0 1050 14 13 1 4 0 8 0 rtentry 112 1227 0 1133 6 3 3 4 0 8 0 unpcb 136 13277 0 13262 123 120 3 8 0 8 2 syncache 296 18 0 18 5 5 0 1 0 8 0 tcpqe 32 3 0 3 2 2 0 1 0 8 0 tcpcb 736 7621 0 7617 273 271 2 36 0 8 1 arp 120 179 0 163 1 0 1 1 0 8 0 ipq 40 17 0 16 6 5 1 1 0 8 0 ipqe 40 55 0 54 6 5 1 1 0 8 0 inpcb 312 19985 0 19974 269 266 3 19 0 8 0 ip6q 72 38 0 37 2 1 1 1 0 8 0 ip6af 40 73 0 72 2 1 1 1 0 8 0 nd6 48 269 0 242 1 0 1 1 0 8 0 pkpcb 40 107 0 107 10 10 0 1 0 8 0 kcovpl 48 78 0 70 1 0 1 1 0 8 0 ppxss 1248 73 0 73 17 16 1 1 0 8 1 pfstscr 40 10 0 10 3 3 0 1 0 8 0 pffrag 232 80 0 80 3 3 0 1 0 482 0 pffrnode 88 80 0 80 3 3 0 1 0 8 0 pffrent 40 170 0 170 3 3 0 1 0 8 0 pfosfp 40 1482 0 1480 5 4 1 5 0 8 0 pfosfpen 112 1482 0 1479 21 20 1 21 0 8 0 pfrktable 1344 693 0 683 9 8 1 2 0 8 0 pftag 88 13 0 5 2 1 1 1 0 8 0 pfqueue 264 8 0 8 3 3 0 1 0 8 0 pfstitem 24 51 0 49 1 0 1 1 0 8 0 pfstkey 112 133 0 131 1 0 1 1 0 8 0 pfstate 336 89 0 87 3 2 1 3 0 8 0 pfrule 1360 9609 0 9507 12 3 9 9 0 8 0 rttmr 64 17 0 17 5 5 0 1 0 8 0 art_heap8 4096 2 0 1 2 1 1 2 0 8 0 art_heap4 256 5088 0 4705 58 32 26 30 0 8 0 art_table 32 5090 0 4706 4 0 4 4 0 8 0 art_node 16 1179 0 1098 1 0 1 1 0 8 0 sysvmsgpl 40 41 0 19 1 0 1 1 0 8 0 semupl 112 6 0 6 1 1 0 1 0 8 0 semapl 112 9 0 0 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 36042 0 34537 95 0 95 95 0 8 0 ffsino 272 36042 0 34537 101 0 101 101 0 8 0 nchpl 144 70054 0 68406 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 243715 0 243715 9 8 1 2 0 8 1 percpumem 16 249 0 209 1 0 1 1 0 8 0 vcpupl 2048 261 0 0 33 0 33 33 0 8 0 vmpool 560 313 0 52 19 0 19 19 0 8 0 pfiaddrpl 120 218 0 198 4 3 1 1 0 8 0 kstatmem 264 446 0 418 15 12 3 3 0 8 1 scsiplug 72 15 0 15 5 5 0 1 0 8 0 scxspl 216 203222 0 203222 25 24 1 8 0 8 1 plimitpl 152 2663 0 2648 1 0 1 1 0 8 0 sigapl 424 28284 0 28215 11 3 8 8 0 8 0 futexpl 64 227167 0 227163 4 3 1 1 0 8 0 knotepl 120 1058 0 0 14 1 13 13 0 8 0 kqueuepl 216 3499 0 3488 69 68 1 8 0 8 0 pipepl 336 3657 0 3629 115 112 3 11 0 8 0 fdescpl 496 28183 0 28155 5 1 4 5 0 8 0 filepl 152 156656 0 156410 223 208 15 20 0 8 5 lockfpl 104 7255 0 7253 16 15 1 4 0 8 0 lockfspl 48 1778 0 1776 2 1 1 2 0 8 0 sessionpl 144 97 0 80 1 0 1 1 0 8 0 pgrppl 48 213 0 196 1 0 1 1 0 8 0 ucredpl 96 19088 0 19075 1 0 1 1 0 8 0 zombiepl 144 28217 0 28215 2 1 1 1 0 8 0 processpl 1064 28284 0 28215 6 1 5 5 0 8 0 procpl 672 72214 0 72132 31 23 8 9 0 8 0 srpgc 96 133 0 133 17 17 0 1 0 8 0 sosppl 168 100 0 100 21 21 0 1 0 8 0 sockpl 480 34433 0 34404 724 711 13 34 0 8 7 mcl64k 65536 38 0 0 4 1 3 3 0 8 0 mcl16k 16384 33 0 0 5 2 3 3 0 8 0 mcl12k 12288 29 0 0 2 0 2 2 0 8 0 mcl9k 9216 25 0 0 2 0 2 2 0 8 0 mcl8k 8192 18 0 0 3 0 3 3 0 8 0 mcl4k 4096 33 0 0 3 0 3 3 0 8 0 mcl2k2 2112 9 0 0 1 0 1 1 0 8 0 mcl2k 2048 336 0 0 23 3 20 23 0 8 0 mtagpl 96 893 0 0 16 0 16 16 0 8 0 mbufpl 256 4310 0 0 236 0 236 236 0 8 0 bufpl 288 37996 0 31664 453 0 453 453 0 8 0 anonpl 24 5156073 0 5135797 381 248 133 156 0 186 0 amapchunkpl 152 445344 0 444543 92 58 34 42 0 158 0 amappl16 200 69737 0 69030 257 218 39 58 0 8 0 amappl15 192 7402 0 7397 1 0 1 1 0 8 0 amappl14 184 2962 0 2956 1 0 1 1 0 8 0 amappl13 176 3736 0 3733 1 0 1 1 0 8 0 amappl12 168 1586 0 1579 2 1 1 1 0 8 0 amappl11 160 5708 0 5686 5 4 1 2 0 8 0 amappl10 152 1346 0 1335 1 0 1 1 0 8 0 amappl9 144 4420 0 4415 1 0 1 1 0 8 0 amappl8 136 4353 0 4137 8 0 8 8 0 8 0 amappl7 128 2369 0 2357 1 0 1 1 0 8 0 amappl6 120 4676 0 4651 2 1 1 2 0 8 0 amappl5 112 21353 0 21333 1 0 1 1 0 8 0 amappl4 104 12673 0 12630 3 1 2 2 0 8 0 amappl3 96 84389 0 84333 2 0 2 2 0 8 0 amappl2 88 32799 0 32734 4 2 2 3 0 8 0 amappl1 80 661351 0 660710 25 10 15 20 0 8 0 amappl 88 152311 0 152028 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 72 130 0 0 3 0 3 3 0 8 0 uaddrrnd 24 28496 0 28207 2 0 2 2 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 28496 0 28207 2 0 2 2 0 8 0 vmmpekpl 168 175788 0 175686 5 0 5 5 0 8 0 vmmpepl 168 2699052 0 2695607 382 219 163 169 0 357 0 vmsppl 368 28495 0 28207 29 2 27 27 0 8 0 rwobjpl 56 637049 0 628988 143 28 115 118 0 8 0 pdppl 4096 56999 0 56675 1269 939 330 330 0 8 6 pvpl 32 10246351 0 10222753 616 405 211 255 0 265 0 pmappl 248 28495 0 28207 20 1 19 19 0 8 0 extentpl 40 58 0 38 1 0 1 1 0 8 0 phpool 112 3001 0 1644 40 0 40 40 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace done_flush() at done_flush+0x38 vm_run(ffff8000295284f0) at vm_run+0x308 sys/arch/amd64/amd64/vmm.c:4485 vmmioctl(a00,c0205602,ffff8000295284f0,1,ffff8000fffee7e8) at vmmioctl+0x192 sys/arch/amd64/amd64/vmm.c:661 VOP_IOCTL(fffffd806e4cd910,c0205602,ffff8000295284f0,1,fffffd807f7d74e0,ffff8000fffee7e8) at VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 vn_ioctl(fffffd80691ada38,c0205602,ffff8000295284f0,ffff8000fffee7e8) at vn_ioctl+0xbc sys/kern/vfs_vnops.c:528 sys_ioctl(ffff8000fffee7e8,ffff800029528608,ffff800029528660) at sys_ioctl+0x4a2 syscall(ffff8000295286d0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000295286d0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7e4069aec30, count: -8 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp ddb{1}> trace x86_ipi_db(ffff800020cd8ff0) 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(ffff800020cd8ff0) at sched_idle+0x417 sys/kern/kern_sched.c:178 end trace frame: 0x0, count: -5