login: panic: acquiring blockable sleep lock with spinlock or critical section held (kernel_lock) &kernel_lock Stopped at db_enter+0x1c: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 269819 28165 0 0x8000000 0 1 syz-executor.2 *145016 28165 0 0x8000000 0x4000000 0 syz-executor.2 db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff828ef8e0) at panic+0x17b sys/kern/subr_prf.c:198 witness_checkorder(ffffffff82de1df0,9,0) at witness_checkorder+0xd03 witness_debugger sys/kern/subr_witness.c:2524 [inline] witness_checkorder(ffffffff82de1df0,9,0) at witness_checkorder+0xd03 sys/kern/subr_witness.c:786 __mp_lock(ffffffff82de1be8) at __mp_lock+0xa2 read_rflags machine/cpufunc.h:195 [inline] __mp_lock(ffffffff82de1be8) at __mp_lock+0xa2 intr_disable machine/cpufunc.h:216 [inline] __mp_lock(ffffffff82de1be8) at __mp_lock+0xa2 sys/kern/kern_lock.c:142 intr_handler(ffff8000373907e0,ffff80000067b300) at intr_handler+0x62 sys/arch/amd64/amd64/intr.c:539 Xintr_ioapic_edge26_untramp() at Xintr_ioapic_edge26_untramp+0x18f __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x54 kd_curproc sys/dev/kcov.c:590 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x54 sys/dev/kcov.c:158 poison_check(fffffd806efb08b0,1a8,ffff800037390920,ffff80003739091c) at poison_check+0xae sys/kern/subr_poison.c:84 pool_do_get(ffffffff82e57350,9,ffff800037390a08) at pool_do_get+0x1bc sys/kern/subr_pool.c:736 pool_get(ffffffff82e57350,9) at pool_get+0xf0 sys/kern/subr_pool.c:582 uvmspace_alloc(0,1000,1,0) at uvmspace_alloc+0x41 sys/uvm/uvm_map.c:3279 vm_impl_init(ffff80002d6ed5c0,ffff80002bcc8f88) at vm_impl_init+0x92 sys/arch/amd64/amd64/vmm_machdep.c:1245 vm_create(ffff800000e75400,ffff80002bcc8f88) at vm_create+0x13e sys/dev/vmm/vmm.c:388 vmmioctl(a00,c2585601,ffff800000e75400,1,ffff80002bcc8f88) at vmmioctl+0x2de end trace frame: 0xffff800037390ca0, count: 0 https://www.openbsd.org/ddb.html describes the minimum info required in bug reports. Insufficient info makes it difficult to find and fix bugs. ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: acquiring blockable sleep lock with spinlock or critical section held (kernel_lock) &kernel_lock ddb{0}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff828ef8e0) at panic+0x17b sys/kern/subr_prf.c:198 witness_checkorder(ffffffff82de1df0,9,0) at witness_checkorder+0xd03 witness_debugger sys/kern/subr_witness.c:2524 [inline] witness_checkorder(ffffffff82de1df0,9,0) at witness_checkorder+0xd03 sys/kern/subr_witness.c:786 __mp_lock(ffffffff82de1be8) at __mp_lock+0xa2 read_rflags machine/cpufunc.h:195 [inline] __mp_lock(ffffffff82de1be8) at __mp_lock+0xa2 intr_disable machine/cpufunc.h:216 [inline] __mp_lock(ffffffff82de1be8) at __mp_lock+0xa2 sys/kern/kern_lock.c:142 intr_handler(ffff8000373907e0,ffff80000067b300) at intr_handler+0x62 sys/arch/amd64/amd64/intr.c:539 Xintr_ioapic_edge26_untramp() at Xintr_ioapic_edge26_untramp+0x18f __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x54 kd_curproc sys/dev/kcov.c:590 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x54 sys/dev/kcov.c:158 poison_check(fffffd806efb08b0,1a8,ffff800037390920,ffff80003739091c) at poison_check+0xae sys/kern/subr_poison.c:84 pool_do_get(ffffffff82e57350,9,ffff800037390a08) at pool_do_get+0x1bc sys/kern/subr_pool.c:736 pool_get(ffffffff82e57350,9) at pool_get+0xf0 sys/kern/subr_pool.c:582 uvmspace_alloc(0,1000,1,0) at uvmspace_alloc+0x41 sys/uvm/uvm_map.c:3279 vm_impl_init(ffff80002d6ed5c0,ffff80002bcc8f88) at vm_impl_init+0x92 sys/arch/amd64/amd64/vmm_machdep.c:1245 vm_create(ffff800000e75400,ffff80002bcc8f88) at vm_create+0x13e sys/dev/vmm/vmm.c:388 vmmioctl(a00,c2585601,ffff800000e75400,1,ffff80002bcc8f88) at vmmioctl+0x2de VOP_IOCTL(fffffd806e1b2d88,c2585601,ffff800000e75400,1,fffffd807f7d36e8,ffff80002bcc8f88) at VOP_IOCTL+0x9a sys/kern/vfs_vops.c:264 vn_ioctl(fffffd806aca05f0,c2585601,ffff800000e75400,ffff80002bcc8f88) at vn_ioctl+0xc0 sys/kern/vfs_vnops.c:525 sys_ioctl(ffff80002bcc8f88,ffff800037390fa0,ffff800037390ef0) at sys_ioctl+0x4a9 syscall(ffff800037390fa0) at syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff800037390fa0) at syscall+0x8cf sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2a64e2f89a0, count: -19 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff8000373905d0 rbx 0xffffffff82cafd77 cpu_info_full_primary+0x2d77 rdx 0xffff800000e76ac0 rcx 0xffff80002bcc8f88 rax 0xffffffff82caeff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x8d0e1b6471bd9bcc r11 0x3c60017d519f30bb r12 0xffffffff82cafb78 cpu_info_full_primary+0x2b78 r13 0 r14 0 r15 0x1 rip 0xffffffff814eda4c db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff8000373905c0 ss 0x10 db_enter+0x1c: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.2) tid=145016 pid=28165 tcnt=2 stat=onproc flags process=8000000 proc=4000000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff80002bcc8028,0xffffffff82ddcd28 process=0xffff8000ffff9f20 user=0xffff80003738c000, vmspace=0xfffffd806efb0008 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=0, intr=1 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 28165 269819 99261 0 7 0x8000000 syz-executor.2 *28165 145016 99261 0 7 0xc000000 syz-executor.2 53900 455986 60902 0 2 0x8000000 syz-executor.1 53900 166502 60902 0 2 0xc000000 syz-executor.1 35397 70583 35029 0 2 0x8000000 syz-executor.5 54822 420985 76812 0 2 0x8000000 syz-executor.7 54822 2272 76812 0 3 0xc000080 fsleep syz-executor.7 99261 523723 70360 0 3 0x8000082 nanoslp syz-executor.2 47455 39787 1533 60928 3 0x8000090 nanoslp syz-executor.3 47455 393140 1533 60928 3 0xc000090 kqread syz-executor.3 47455 99943 1533 60928 3 0xc000090 fsleep syz-executor.3 46966 351701 70360 0 2 0x8000002 syz-executor.0 20403 165994 1 0 3 0x18100083 ttyin getty 7627 239942 0 0 3 0x14200 bored sosplice 35029 46290 70360 0 3 0x8000082 nanoslp syz-executor.5 76812 37454 70360 0 3 0x8000082 nanoslp syz-executor.7 76451 391655 70360 0 2 0x8000002 syz-executor.6 60902 414019 70360 0 3 0x8000082 nanoslp syz-executor.1 1533 306088 70360 0 3 0x8000082 nanoslp syz-executor.3 69711 209801 70360 0 2 0x8000002 syz-executor.4 70360 382829 59206 0 3 0x1a000082 wait syz-fuzzer 70360 353338 59206 0 3 0x1e000082 nanoslp syz-fuzzer 70360 89397 59206 0 3 0x1e000082 thrsleep syz-fuzzer 70360 506223 59206 0 3 0x1e000082 kqread syz-fuzzer 70360 476553 59206 0 3 0x1e000082 wait syz-fuzzer 70360 118253 59206 0 3 0x1e000082 wait syz-fuzzer 70360 87897 59206 0 3 0x1e000082 wait syz-fuzzer 70360 183453 59206 0 3 0x1e000082 wait syz-fuzzer 70360 15750 59206 0 3 0x1e000082 thrsleep syz-fuzzer 70360 106248 59206 0 3 0x1e000082 thrsleep syz-fuzzer 70360 507884 59206 0 3 0x1e000082 thrsleep syz-fuzzer 70360 339527 59206 0 2 0x1e000002 syz-fuzzer 70360 233589 59206 0 3 0x1e000082 wait syz-fuzzer 70360 59956 59206 0 3 0x1e000082 wait syz-fuzzer 70360 398757 59206 0 3 0x1e000082 wait syz-fuzzer 59206 432896 2170 0 3 0x810008a sigsusp ksh 2170 420938 52873 0 3 0x1800009a kqread sshd 52873 147735 1 0 3 0x18000088 kqread sshd 80350 305378 9301 73 3 0x19100090 kqread syslogd 9301 378025 1 0 3 0x18100082 sbwait syslogd 63957 438028 1 0 3 0x18100080 kqread resolvd 48720 310280 70501 77 3 0x18100092 kqread dhcpleased 36596 419835 70501 77 3 0x18100092 kqread dhcpleased 70501 245155 1 0 3 0x18000080 kqread dhcpleased 94447 47355 0 0 3 0x14200 bored smr 95043 304868 0 0 2 0x14200 zerothread 67547 430720 0 0 3 0x14200 aiodoned aiodoned 90735 228905 0 0 3 0x14200 syncer update 99096 251186 0 0 3 0x14200 cleaner cleaner 16387 399865 0 0 3 0x14200 reaper reaper 1432 191011 0 0 3 0x14200 pgdaemon pagedaemon 60143 113718 0 0 3 0x14200 bored viomb 46812 423009 0 0 3 0x40014200 acpi0 acpi0 70579 212177 0 0 3 0x40014200 idle1 96316 522585 0 0 3 0x14200 bored softnet3 81154 91546 0 0 3 0x14200 bored softnet2 28066 438473 0 0 3 0x14200 bored softnet1 31396 16804 0 0 3 0x14200 bored softnet0 44309 395318 0 0 3 0x14200 bored systqmp 35532 4284 0 0 3 0x14200 bored systq 42978 465151 0 0 3 0x14200 tmoslp softclockmp 5516 81206 0 0 3 0x40014200 tmoslp softclock 60248 308193 0 0 3 0x40014200 idle0 1 154871 0 0 3 0x8000082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex vmsppl r = 0 (0xffffffff82e57360) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1157 #1 mtx_enter_try+0x103 #2 mtx_enter+0x4e sys/kern/kern_lock.c:266 #3 pool_get+0xc4 sys/kern/subr_pool.c:579 #4 uvmspace_alloc+0x41 sys/uvm/uvm_map.c:3279 #5 vm_impl_init+0x92 sys/arch/amd64/amd64/vmm_machdep.c:1245 #6 vm_create+0x13e sys/dev/vmm/vmm.c:388 #7 vmmioctl+0x2de #8 VOP_IOCTL+0x9a sys/kern/vfs_vops.c:264 #9 vn_ioctl+0xc0 sys/kern/vfs_vnops.c:525 #10 sys_ioctl+0x4a9 #11 syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline] #11 syscall+0x8cf sys/arch/amd64/amd64/trap.c:577 #12 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10184 6498K 6691K 166960K 11445 0 pcb 17 12K 12K 166960K 50 0 rtable 242 7K 7K 166960K 436 0 pf 29 8K 10K 166960K 51 0 ifaddr 44 15K 15K 166960K 59 0 ifgroup 50 2K 2K 166960K 67 0 counters 64 36K 36K 166960K 74 0 ioctlops 1 1K 4K 166960K 1495 0 iov 0 0K 12K 166960K 10 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1379 87K 87K 166960K 1513 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 9 0 VM map 2 1K 1K 166960K 2 0 sem 8 0K 0K 166960K 11 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 16 57K 93K 166960K 316 0 proc 58 79K 115K 166960K 560 0 subproc 117 7K 7K 166960K 130 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 28 0 in_multi 99 7K 7K 166960K 122 0 ether_multi 1 0K 0K 166960K 2 0 mrt 0 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 73 334K 334K 166960K 73 0 exec 0 0K 1K 166960K 414 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 281 87K 91K 166960K 5179 0 UVM aobj 15 2K 2K 166960K 15 0 pinsyscall 36 72K 100K 166960K 1513 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 17 0 NDP 15 0K 1K 166960K 36 0 temp 51 6809K 6873K 166960K 15862 0 kqueue 12 18K 24K 166960K 54 0 SYN cache 2 16K 16K 166960K 2 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 24 0 0 1 0 1 1 0 8 0 rtpcb 120 60 0 57 1 0 1 1 0 8 0 rtentry 112 137 0 25 4 0 4 4 0 8 0 unpcb 144 185 0 170 1 0 1 1 0 8 0 syncache 336 4 0 4 1 1 0 1 0 8 0 tcpqe 32 27 0 27 1 1 0 1 0 8 0 tcpcb 808 69 0 64 2 0 2 2 0 8 1 arp 120 22 0 4 1 0 1 1 0 8 0 inpcb 384 261 0 253 4 1 3 3 0 8 2 nd6 136 33 0 7 1 0 1 1 0 8 0 kcovpl 48 10 0 1 1 0 1 1 0 8 0 ppxss 1168 2 0 2 1 0 1 1 0 8 1 pffrag 232 2 0 0 1 0 1 1 0 482 0 pffrnode 88 2 0 0 1 0 1 1 0 8 0 pffrent 40 2 0 0 1 0 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 pfstitem 24 32 0 10 1 0 1 1 0 8 0 pfstkey 128 32 0 10 1 0 1 1 0 8 0 pfstate 376 32 0 10 3 0 3 3 0 8 0 pfrule 1344 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 554 0 90 29 0 29 29 0 8 0 art_table 32 555 0 90 4 0 4 4 0 8 0 art_node 16 135 0 33 1 0 1 1 0 8 0 sysvmsgpl 40 7 0 3 1 0 1 1 0 8 0 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 112 6 0 0 1 0 1 1 0 8 0 shmpl 112 12 0 0 1 0 1 1 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 1887 0 365 96 0 96 96 0 8 0 ffsino 272 1887 0 365 102 0 102 102 0 8 0 nchpl 144 2419 0 676 67 0 67 67 0 8 0 uvmvnodes 80 2084 0 0 43 0 43 43 0 8 0 vnodes 216 2084 0 0 116 0 116 116 0 8 0 namei 1024 8496 0 8496 4 3 1 2 0 8 1 percpumem 16 51 0 5 1 0 1 1 0 8 0 vcpupl 3904 1 0 0 1 0 1 1 0 8 0 vmpool 696 2 0 0 1 0 1 1 0 8 0 kstatmem 264 32 0 10 2 0 2 2 0 8 0 scxspl 216 13164 0 13164 10 2 8 8 1 8 8 plimitpl 152 55 0 39 1 0 1 1 0 8 0 sigapl 424 622 0 576 7 0 7 7 0 8 0 futexpl 64 2875 0 2873 2 1 1 1 0 8 0 knotepl 120 584 0 0 18 0 18 18 0 8 0 kqueuepl 216 83 0 74 1 0 1 1 0 8 0 pipepl 320 164 0 136 3 0 3 3 0 8 0 fdescpl 496 603 0 576 6 1 5 5 0 8 0 filepl 152 3063 0 2799 11 0 11 11 0 8 0 lockfpl 104 56 0 52 1 0 1 1 0 8 0 lockfspl 48 28 0 24 1 0 1 1 0 8 0 sessionpl 144 27 0 10 1 0 1 1 0 8 0 pgrppl 48 29 0 12 1 0 1 1 0 8 0 ucredpl 104 320 0 309 1 0 1 1 0 8 0 zombiepl 144 577 0 576 2 1 1 1 0 8 0 processpl 1136 622 0 576 4 0 4 4 0 8 0 procpl 656 846 0 781 7 0 7 7 0 8 0 srpgc 96 2 0 2 1 0 1 1 0 8 1 sockpl 664 507 0 481 5 1 4 4 0 8 1 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 4 0 0 1 0 1 1 0 8 0 mcl2k 2048 306 0 0 39 0 39 39 0 8 0 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 372 0 0 22 0 22 22 0 8 0 bufpl 280 5370 0 190 370 0 370 370 0 8 0 anonpl 24 222777 0 216883 87 25 62 63 0 186 19 amapchunkpl 152 16767 0 16124 41 5 36 37 0 158 9 amappl16 200 6019 0 5872 12 0 12 12 0 8 4 amappl15 192 36 0 35 1 0 1 1 0 8 0 amappl14 184 165 0 153 2 1 1 2 0 8 0 amappl13 176 16 0 14 1 0 1 1 0 8 0 amappl12 168 1269 0 1241 2 0 2 2 0 8 0 amappl11 160 49 0 39 1 0 1 1 0 8 0 amappl10 152 44 0 35 1 0 1 1 0 8 0 amappl9 144 175 0 175 2 2 0 1 0 8 0 amappl8 136 154 0 121 2 0 2 2 0 8 0 amappl7 128 56 0 45 1 0 1 1 0 8 0 amappl6 120 350 0 333 2 1 1 2 0 8 0 amappl5 112 179 0 167 1 0 1 1 0 8 0 amappl4 104 565 0 533 2 1 1 2 0 8 0 amappl3 96 3821 0 3743 3 0 3 3 0 8 0 amappl2 88 1009 0 939 4 2 2 4 0 8 0 amappl1 80 10339 0 9845 22 10 12 22 0 8 0 amappl 88 4600 0 4408 6 1 5 5 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 14 0 0 1 0 1 1 0 8 0 uaddrrnd 24 604 0 576 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 604 0 576 1 0 1 1 0 8 0 vmmpekpl 168 9509 0 9450 3 0 3 3 0 8 0 vmmpepl 168 60644 0 58792 132 36 96 118 0 357 7 vmsppl 440 603 0 576 4 0 4 4 0 8 0 pool(0xffffffff82e57350:vmsppl): page inconsistency: page 0xfffffd806efb0000; 0 on list, 8 missing, 9 items per page rwobjpl 56 24484 0 21288 54 7 47 48 0 8 0 pdppl 4096 1215 0 1153 109 37 72 79 0 8 10 pvpl 32 49240 0 0 398 0 398 398 0 265 0 pmappl 248 603 0 576 4 1 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 414 0 43 11 0 11 11 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff828ef8e0) at panic+0x17b sys/kern/subr_prf.c:198 witness_checkorder(ffffffff82de1df0,9,0) at witness_checkorder+0xd03 witness_debugger sys/kern/subr_witness.c:2524 [inline] witness_checkorder(ffffffff82de1df0,9,0) at witness_checkorder+0xd03 sys/kern/subr_witness.c:786 __mp_lock(ffffffff82de1be8) at __mp_lock+0xa2 read_rflags machine/cpufunc.h:195 [inline] __mp_lock(ffffffff82de1be8) at __mp_lock+0xa2 intr_disable machine/cpufunc.h:216 [inline] __mp_lock(ffffffff82de1be8) at __mp_lock+0xa2 sys/kern/kern_lock.c:142 intr_handler(ffff8000373907e0,ffff80000067b300) at intr_handler+0x62 sys/arch/amd64/amd64/intr.c:539 Xintr_ioapic_edge26_untramp() at Xintr_ioapic_edge26_untramp+0x18f __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x54 kd_curproc sys/dev/kcov.c:590 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x54 sys/dev/kcov.c:158 poison_check(fffffd806efb08b0,1a8,ffff800037390920,ffff80003739091c) at poison_check+0xae sys/kern/subr_poison.c:84 pool_do_get(ffffffff82e57350,9,ffff800037390a08) at pool_do_get+0x1bc sys/kern/subr_pool.c:736 pool_get(ffffffff82e57350,9) at pool_get+0xf0 sys/kern/subr_pool.c:582 uvmspace_alloc(0,1000,1,0) at uvmspace_alloc+0x41 sys/uvm/uvm_map.c:3279 vm_impl_init(ffff80002d6ed5c0,ffff80002bcc8f88) at vm_impl_init+0x92 sys/arch/amd64/amd64/vmm_machdep.c:1245 vm_create(ffff800000e75400,ffff80002bcc8f88) at vm_create+0x13e sys/dev/vmm/vmm.c:388 vmmioctl(a00,c2585601,ffff800000e75400,1,ffff80002bcc8f88) at vmmioctl+0x2de VOP_IOCTL(fffffd806e1b2d88,c2585601,ffff800000e75400,1,fffffd807f7d36e8,ffff80002bcc8f88) at VOP_IOCTL+0x9a sys/kern/vfs_vops.c:264 vn_ioctl(fffffd806aca05f0,c2585601,ffff800000e75400,ffff80002bcc8f88) at vn_ioctl+0xc0 sys/kern/vfs_vnops.c:525 sys_ioctl(ffff80002bcc8f88,ffff800037390fa0,ffff800037390ef0) at sys_ioctl+0x4a9 syscall(ffff800037390fa0) at syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff800037390fa0) at syscall+0x8cf sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2a64e2f89a0, count: -19 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp x86_ipi_db(ffff800029cebff0) at x86_ipi_db+0x1e 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+0x27 end of kernel end trace frame: 0x7409af6af800, count: 12 ddb{1}> trace x86_ipi_db(ffff800029cebff0) at x86_ipi_db+0x1e 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+0x27 end of kernel end trace frame: 0x7409af6af800, count: -3