panic: kernel diagnostic assertion "_kernel_lock_held()" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_vnode.c", line 285 Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *467243 67467 0 0 0x4000000 0 syz-executor.0 db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 panic(ffffffff824502ee) at panic+0x177 sys/kern/subr_prf.c:202 __assert(ffffffff824bffea,ffffffff8244811a,11d,ffffffff824ce6c6) at __assert+0x25 sys/kern/subr_prf.c:161 uvn_reference(fffffd8072810ea0) at uvn_reference+0x84 sys/uvm/uvm_vnode.c:285 uvm_mapent_clone(fffffd806efdd8a8,1000,2000,0,7,7) at uvm_mapent_clone+0x1a2 sys/uvm/uvm_map.c:3810 uvm_share(fffffd806efdd8a8,0,7,fffffd807f008450,20000000,200000) at uvm_share+0x45c uvm_mapent_share sys/uvm/uvm_map.c:3840 [inline] uvm_share(fffffd806efdd8a8,0,7,fffffd807f008450,20000000,200000) at uvm_share+0x45c sys/uvm/uvm_map.c:3739 vm_impl_init_vmx(ffff800021299810,ffff800021288550) at vm_impl_init_vmx+0xb4 sys/arch/amd64/amd64/vmm.c:1591 vm_create(ffff800000b57000,ffff800021288550) at vm_create+0x19b vm_impl_init sys/arch/amd64/amd64/vmm.c:1690 [inline] vm_create(ffff800000b57000,ffff800021288550) at vm_create+0x19b sys/arch/amd64/amd64/vmm.c:1510 vmmioctl(a00,c5005601,ffff800000b57000,1,ffff800021288550) at vmmioctl+0x1f2 VOP_IOCTL(fffffd806e1f6130,c5005601,ffff800000b57000,1,fffffd807f7d8780,ffff800021288550) at VOP_IOCTL+0x9a sys/kern/vfs_vops.c:295 vn_ioctl(fffffd8067079278,c5005601,ffff800000b57000,ffff800021288550) at vn_ioctl+0xba sys/kern/vfs_vnops.c:531 sys_ioctl(ffff800021288550,ffff800021295dc8,ffff800021295e10) at sys_ioctl+0x4a2 syscall(ffff800021295e90) at syscall+0x5a9 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800021295e90) at syscall+0x5a9 sys/arch/amd64/amd64/trap.c:587 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x4e4f8222470, count: 1 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: kernel diagnostic assertion "_kernel_lock_held()" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_vnode.c", line 285 ddb{0}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 panic(ffffffff824502ee) at panic+0x177 sys/kern/subr_prf.c:202 __assert(ffffffff824bffea,ffffffff8244811a,11d,ffffffff824ce6c6) at __assert+0x25 sys/kern/subr_prf.c:161 uvn_reference(fffffd8072810ea0) at uvn_reference+0x84 sys/uvm/uvm_vnode.c:285 uvm_mapent_clone(fffffd806efdd8a8,1000,2000,0,7,7) at uvm_mapent_clone+0x1a2 sys/uvm/uvm_map.c:3810 uvm_share(fffffd806efdd8a8,0,7,fffffd807f008450,20000000,200000) at uvm_share+0x45c uvm_mapent_share sys/uvm/uvm_map.c:3840 [inline] uvm_share(fffffd806efdd8a8,0,7,fffffd807f008450,20000000,200000) at uvm_share+0x45c sys/uvm/uvm_map.c:3739 vm_impl_init_vmx(ffff800021299810,ffff800021288550) at vm_impl_init_vmx+0xb4 sys/arch/amd64/amd64/vmm.c:1591 vm_create(ffff800000b57000,ffff800021288550) at vm_create+0x19b vm_impl_init sys/arch/amd64/amd64/vmm.c:1690 [inline] vm_create(ffff800000b57000,ffff800021288550) at vm_create+0x19b sys/arch/amd64/amd64/vmm.c:1510 vmmioctl(a00,c5005601,ffff800000b57000,1,ffff800021288550) at vmmioctl+0x1f2 VOP_IOCTL(fffffd806e1f6130,c5005601,ffff800000b57000,1,fffffd807f7d8780,ffff800021288550) at VOP_IOCTL+0x9a sys/kern/vfs_vops.c:295 vn_ioctl(fffffd8067079278,c5005601,ffff800000b57000,ffff800021288550) at vn_ioctl+0xba sys/kern/vfs_vnops.c:531 sys_ioctl(ffff800021288550,ffff800021295dc8,ffff800021295e10) at sys_ioctl+0x4a2 syscall(ffff800021295e90) at syscall+0x5a9 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800021295e90) at syscall+0x5a9 sys/arch/amd64/amd64/trap.c:587 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x4e4f8222470, count: -14 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff800021295730 rbx 0xffffffff8280abff cpu_info_full_primary+0x2bff rdx 0x8b rcx 0x2 rax 0x8b r8 0xffffffff81a0be34 kprintf+0x144 r9 0x1 r10 0x815c625b4e788e4d r11 0x996feb5efdbf862a r12 0xffffffff8280aa00 cpu_info_full_primary+0x2a00 r13 0 r14 0 r15 0x1 rip 0xffffffff81e3e908 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800021295720 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.0) pid=467243 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=81, nice=20 forw=0xffffffffffffffff, list=0xffff8000212887f0,0xffffffff82913618 process=0xffff800022e9dd68 user=0xffff800021290000, vmspace=0xfffffd807f008450 estcpu=31, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 67467 520226 5212 0 2 0 syz-executor.0 67467 497387 5212 0 3 0x4000000 inode syz-executor.0 67467 227023 5212 0 2 0x4000000 syz-executor.0 *67467 467243 5212 0 7 0x4000000 syz-executor.0 52599 59263 0 0 3 0x14280 nfsidl nfsio 29394 273855 0 0 3 0x14280 nfsidl nfsio 8322 397437 0 0 3 0x14280 nfsidl nfsio 26857 68782 0 0 3 0x14280 nfsidl nfsio 9078 351425 0 0 3 0x14280 nfsidl nfsio 7361 262874 0 0 3 0x14280 nfsidl nfsio 88791 131857 0 0 3 0x14280 nfsidl nfsio 25981 390079 0 0 3 0x14280 nfsidl nfsio 80336 412569 0 0 3 0x14280 nfsidl nfsio 84730 156002 0 0 3 0x14280 nfsidl nfsio 58469 436774 0 0 3 0x14280 nfsidl nfsio 78499 441573 0 0 3 0x14280 nfsidl nfsio 81085 419990 0 0 3 0x14280 nfsidl nfsio 93806 154266 0 0 3 0x14280 nfsidl nfsio 82252 182861 0 0 3 0x14280 nfsidl nfsio 66159 473517 0 0 3 0x14280 nfsidl nfsio 45510 116112 0 0 3 0x14280 nfsidl nfsio 47177 361961 0 0 3 0x14280 nfsidl nfsio 67319 190058 0 0 3 0x14280 nfsidl nfsio 22152 317130 0 0 3 0x14280 nfsidl nfsio 35969 451123 3389 0 2 0x482 syz-executor.1 7394 444680 0 0 3 0x14200 bored sosplice 5212 92132 3389 0 3 0x82 nanoslp syz-executor.0 3389 486769 79378 0 3 0x82 thrsleep syz-fuzzer 3389 371993 79378 0 3 0x4000082 thrsleep syz-fuzzer 3389 242903 79378 0 3 0x4000082 thrsleep syz-fuzzer 3389 100352 79378 0 3 0x4000082 thrsleep syz-fuzzer 3389 448995 79378 0 3 0x4000082 kqread syz-fuzzer 3389 256088 79378 0 3 0x4000082 thrsleep syz-fuzzer 3389 165122 79378 0 3 0x4000082 thrsleep syz-fuzzer 3389 449362 79378 0 3 0x4000082 thrsleep syz-fuzzer 79378 440861 51441 0 3 0x10008a sigsusp ksh 51441 366048 17089 0 3 0x9a select sshd 35990 405797 1 0 3 0x100083 ttyin getty 17089 433908 1 0 3 0x88 select sshd 53086 366067 68358 74 3 0x100092 bpf pflogd 68358 235366 1 0 3 0x80 netio pflogd 57167 487605 95263 73 3 0x100090 kqread syslogd 95263 82068 1 0 3 0x100082 netio syslogd 86369 40221 1 0 3 0x100080 kqread resolvd 30414 30757 5259 77 3 0x100092 kqread dhcpleased 42357 280193 5259 77 3 0x100092 kqread dhcpleased 5259 432086 1 0 3 0x80 kqread dhcpleased 84273 518126 0 0 3 0x14200 bored smr 83397 468361 0 0 2 0x14200 zerothread 74002 210044 0 0 3 0x14200 aiodoned aiodoned 17502 458486 0 0 3 0x14200 syncer update 30281 109712 0 0 3 0x14200 cleaner cleaner 12025 481039 0 0 3 0x14200 reaper reaper 58732 260147 0 0 3 0x14200 pgdaemon pagedaemon 75813 451928 0 0 3 0x14200 bored crynlk 57558 56620 0 0 3 0x14200 bored crypto 9109 124195 0 0 3 0x14200 bored viomb 60444 313702 0 0 3 0x40014200 acpi0 acpi0 68317 410221 0 0 7 0x40014200 idle1 16202 187181 0 0 3 0x14200 bored softnet 34802 82734 0 0 3 0x14200 bored systqmp 11029 260856 0 0 3 0x14200 bored systq 68353 387602 0 0 3 0x40014200 bored softclock 76861 514586 0 0 3 0x40014200 idle0 1 373093 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 67467 (syz-executor.0) thread 0xffff8000212887f0 (227023) exclusive rrwlock inode r = 0 (0xfffffd8064c9c4e0) #0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4b0 sys/kern/subr_witness.c:1182 #1 rw_enter+0x3e2 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:614 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:579 #5 vn_write+0x11d sys/kern/vfs_vnops.c:411 #6 dofilewritev+0x1a3 sys/kern/sys_generic.c:365 #7 sys_pwritev+0xb2 sys/kern/vfs_syscalls.c:3357 #8 syscall+0x5a9 mi_syscall sys/sys/syscall_mi.h:102 [inline] #8 syscall+0x5a9 sys/arch/amd64/amd64/trap.c:587 #9 Xsyscall+0x128 Process 67467 (syz-executor.0) thread 0xffff800021288550 (467243) shared rwlock vmmaplk r = 0 (0xfffffd807f008468) #0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4b0 sys/kern/subr_witness.c:1182 #1 uvm_share+0xd2 vm_map_lock_read_ln sys/uvm/uvm_map.c:5447 [inline] #1 uvm_share+0xd2 sys/uvm/uvm_map.c:3691 #2 vm_impl_init_vmx+0xb4 sys/arch/amd64/amd64/vmm.c:1591 #3 vm_create+0x19b vm_impl_init sys/arch/amd64/amd64/vmm.c:1690 [inline] #3 vm_create+0x19b sys/arch/amd64/amd64/vmm.c:1510 #4 vmmioctl+0x1f2 #5 VOP_IOCTL+0x9a sys/kern/vfs_vops.c:295 #6 vn_ioctl+0xba sys/kern/vfs_vnops.c:531 #7 sys_ioctl+0x4a2 #8 syscall+0x5a9 mi_syscall sys/sys/syscall_mi.h:102 [inline] #8 syscall+0x5a9 sys/arch/amd64/amd64/trap.c:587 #9 Xsyscall+0x128 exclusive rwlock vmmaplk r = 0 (0xfffffd806efdd8c0) #0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4b0 sys/kern/subr_witness.c:1182 #1 rw_enter+0x3e2 sys/kern/kern_rwlock.c:310 #2 vm_map_lock_ln+0xda sys/uvm/uvm_map.c:5425 #3 uvm_share+0xaa vm_map_lock_read_ln sys/uvm/uvm_map.c:5446 [inline] #3 uvm_share+0xaa sys/uvm/uvm_map.c:3691 #4 vm_impl_init_vmx+0xb4 sys/arch/amd64/amd64/vmm.c:1591 #5 vm_create+0x19b vm_impl_init sys/arch/amd64/amd64/vmm.c:1690 [inline] #5 vm_create+0x19b sys/arch/amd64/amd64/vmm.c:1510 #6 vmmioctl+0x1f2 #7 VOP_IOCTL+0x9a sys/kern/vfs_vops.c:295 #8 vn_ioctl+0xba sys/kern/vfs_vnops.c:531 #9 sys_ioctl+0x4a2 #10 syscall+0x5a9 mi_syscall sys/sys/syscall_mi.h:102 [inline] #10 syscall+0x5a9 sys/arch/amd64/amd64/trap.c:587 #11 Xsyscall+0x128 exclusive rwlock vmlistlock r = 0 (0xffff800000655c78) #0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4b0 sys/kern/subr_witness.c:1182 #1 vm_create+0x12e vm_impl_init sys/arch/amd64/amd64/vmm.c:1688 [inline] #1 vm_create+0x12e sys/arch/amd64/amd64/vmm.c:1510 #2 vmmioctl+0x1f2 #3 VOP_IOCTL+0x9a sys/kern/vfs_vops.c:295 #4 vn_ioctl+0xba sys/kern/vfs_vnops.c:531 #5 sys_ioctl+0x4a2 #6 syscall+0x5a9 mi_syscall sys/sys/syscall_mi.h:102 [inline] #6 syscall+0x5a9 sys/arch/amd64/amd64/trap.c:587 #7 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10165 6437K 6942K 78643K 12678 0 pcb 13 8K 8K 78643K 97 0 rtable 106 12K 12K 78643K 309 0 ifaddr 68 13K 13K 78643K 120 0 counters 44 34K 34K 78643K 64 0 ioctlops 1 2K 4K 78643K 1556 0 iov 1 12K 16K 78643K 72 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 6 0 vnodes 1220 77K 77K 78643K 1673 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 8 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 373 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12598 0 file desc 5 13K 25K 78643K 2341 0 sigio 0 0K 0K 78643K 20 0 proc 70 87K 111K 78643K 440 0 subproc 32 2K 2K 78643K 51 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 78 0 in_multi 29 1K 2K 78643K 73 0 ether_multi 1 0K 0K 78643K 9 0 mrt 0 0K 0K 78643K 18 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 49 228K 228K 78643K 49 0 exec 0 0K 2K 78643K 493 0 pfkey data 0 0K 0K 78643K 2 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 267 51K 63K 78643K 29518 0 UVM aobj 20 2K 2K 78643K 20 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 45 0 NDP 12 0K 0K 78643K 28 0 temp 131 4210K 4275K 78643K 14664 0 kqueue 10 14K 32K 78643K 66 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 88 0 85 1 0 1 1 0 8 0 rtentry 112 66 0 25 2 0 2 2 0 8 0 unpcb 120 414 0 399 1 0 1 1 0 8 0 syncache 296 19 0 19 5 4 1 1 0 8 1 tcpqe 32 1575 0 1575 4 3 1 3 0 8 1 tcpcb 736 239 0 234 7 5 2 2 0 8 1 arp 120 8 0 2 1 0 1 1 0 8 0 inpcb 304 587 0 579 6 4 2 2 0 8 1 rttmr 72 8 0 8 1 1 0 1 0 8 0 nd6 48 11 0 5 1 0 1 1 0 8 0 pkpcb 40 4 0 4 2 2 0 1 0 8 0 kcovpl 48 3 0 1 1 0 1 1 0 8 0 ppxss 1248 4 0 4 3 2 1 1 0 8 1 pffrag 232 9 0 9 2 1 1 1 0 482 1 pffrnode 88 9 0 9 2 1 1 1 0 8 1 pffrent 40 398 0 398 3 2 1 1 0 8 1 pfosfp 40 1448 0 1013 5 0 5 5 0 8 0 pfosfpen 112 1448 0 714 21 0 21 21 0 8 0 pfrktable 1344 6 0 6 1 1 0 1 0 8 0 pftag 88 1 0 0 1 0 1 1 0 8 0 pfqueue 264 2 0 2 1 1 0 1 0 8 0 pfstitem 24 53 0 27 1 0 1 1 0 8 0 pfstkey 112 53 0 27 1 0 1 1 0 8 0 pfstate 320 53 0 27 3 0 3 3 0 8 0 pfrule 1360 34 0 29 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 275 0 60 14 0 14 14 0 8 0 art_table 32 276 0 60 2 0 2 2 0 8 0 art_node 16 65 0 27 1 0 1 1 0 8 0 sysvmsgpl 40 36 0 14 1 0 1 1 0 8 0 semupl 112 3 0 3 1 1 0 1 0 8 0 semapl 112 371 0 361 1 0 1 1 0 8 0 shmpl 112 17 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 4022 0 2616 89 0 89 89 0 8 0 ffsino 272 4022 0 2616 95 0 95 95 0 8 0 nchpl 144 6817 0 5208 61 0 61 61 0 8 0 uvmvnodes 72 4405 0 0 81 0 81 81 0 8 0 vnodes 224 4405 0 0 260 0 260 260 0 8 0 namei 1024 16786 0 16786 2 1 1 1 0 8 1 percpumem 16 44 0 10 1 0 1 1 0 8 0 vcpupl 2048 2 0 0 1 0 1 1 0 8 0 vmpool 560 3 0 0 1 0 1 1 0 8 0 pfiaddrpl 120 2 0 2 1 1 0 1 0 8 0 scsiplug 72 1 0 1 1 0 1 1 0 8 1 scxspl 216 20041 0 20041 10 9 1 8 0 8 1 plimitpl 152 56 0 47 1 0 1 1 0 8 0 sigapl 424 2609 0 2554 8 1 7 7 0 8 0 futexpl 56 20505 0 20505 1 0 1 1 0 8 1 knotepl 112 85 0 0 3 0 3 3 0 8 0 kqueuepl 216 2143 0 2135 2 1 1 2 0 8 0 pipepl 336 209 0 198 6 4 2 2 0 8 0 fdescpl 496 2572 0 2554 3 0 3 3 0 8 0 filepl 152 8519 0 8401 8 2 6 6 0 8 1 lockfpl 104 230 0 227 1 0 1 1 0 8 0 lockfspl 48 59 0 56 1 0 1 1 0 8 0 sessionpl 144 19 0 8 1 0 1 1 0 8 0 pgrppl 48 23 0 12 1 0 1 1 0 8 0 ucredpl 96 643 0 629 1 0 1 1 0 8 0 zombiepl 144 2554 0 2553 2 1 1 1 0 8 0 processpl 1072 2609 0 2553 4 0 4 4 0 8 0 procpl 672 5252 0 5186 9 3 6 6 0 8 0 sosppl 168 13 0 13 5 5 0 1 0 8 0 sockpl 480 1098 0 1072 9 4 5 5 0 8 1 mcl64k 65536 6 0 0 1 0 1 1 0 8 0 mcl16k 16384 3 0 0 1 0 1 1 0 8 0 mcl12k 12288 7 0 0 1 0 1 1 0 8 0 mcl9k 9216 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 10 0 0 2 0 2 2 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 459 0 0 57 0 57 57 0 8 0 mtagpl 96 68 0 0 2 0 2 2 0 8 0 mbufpl 256 589 0 0 37 0 37 37 0 8 0 bufpl 280 6118 0 141 427 0 427 427 0 8 0 anonpl 24 666495 0 644905 188 50 138 158 0 186 3 amapchunkpl 152 70395 0 69667 49 19 30 43 0 158 0 amappl16 200 5508 0 4749 67 27 40 52 0 8 0 amappl15 192 1 0 0 1 0 1 1 0 8 0 amappl14 184 2044 0 2039 1 0 1 1 0 8 0 amappl13 176 45 0 43 1 0 1 1 0 8 0 amappl12 168 16 0 15 1 0 1 1 0 8 0 amappl11 160 311 0 296 1 0 1 1 0 8 0 amappl10 152 51 0 41 1 0 1 1 0 8 0 amappl9 144 247 0 245 1 0 1 1 0 8 0 amappl8 136 426 0 372 2 0 2 2 0 8 0 amappl7 128 78 0 63 1 0 1 1 0 8 0 amappl6 120 129 0 117 1 0 1 1 0 8 0 amappl5 112 1326 0 1308 1 0 1 1 0 8 0 amappl4 104 2047 0 2016 1 0 1 1 0 8 0 amappl3 96 126 0 123 1 0 1 1 0 8 0 amappl2 88 526 0 472 2 0 2 2 0 8 0 amappl1 80 47769 0 47323 15 5 10 13 0 8 0 amappl 88 29003 0 28813 5 0 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 64 19 0 0 1 0 1 1 0 8 0 uaddrrnd 24 2575 0 2554 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2575 0 2554 1 0 1 1 0 8 0 vmmpekpl 168 17613 0 17581 2 0 2 2 0 8 0 vmmpepl 168 290641 0 288490 157 35 122 129 0 357 24 vmsppl 368 2574 0 2554 2 0 2 2 0 8 0 rwobjpl 56 51761 0 50196 31 8 23 26 0 8 0 pdppl 4096 5158 0 5110 66 18 48 50 0 8 0 pvpl 32 1682298 0 1657089 283 59 224 246 0 265 13 pmappl 224 2574 0 2554 4 2 2 2 0 8 0 extentpl 40 58 0 40 1 0 1 1 0 8 0 phpool 112 390 0 31 11 0 11 11 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 panic(ffffffff824502ee) at panic+0x177 sys/kern/subr_prf.c:202 __assert(ffffffff824bffea,ffffffff8244811a,11d,ffffffff824ce6c6) at __assert+0x25 sys/kern/subr_prf.c:161 uvn_reference(fffffd8072810ea0) at uvn_reference+0x84 sys/uvm/uvm_vnode.c:285 uvm_mapent_clone(fffffd806efdd8a8,1000,2000,0,7,7) at uvm_mapent_clone+0x1a2 sys/uvm/uvm_map.c:3810 uvm_share(fffffd806efdd8a8,0,7,fffffd807f008450,20000000,200000) at uvm_share+0x45c uvm_mapent_share sys/uvm/uvm_map.c:3840 [inline] uvm_share(fffffd806efdd8a8,0,7,fffffd807f008450,20000000,200000) at uvm_share+0x45c sys/uvm/uvm_map.c:3739 vm_impl_init_vmx(ffff800021299810,ffff800021288550) at vm_impl_init_vmx+0xb4 sys/arch/amd64/amd64/vmm.c:1591 vm_create(ffff800000b57000,ffff800021288550) at vm_create+0x19b vm_impl_init sys/arch/amd64/amd64/vmm.c:1690 [inline] vm_create(ffff800000b57000,ffff800021288550) at vm_create+0x19b sys/arch/amd64/amd64/vmm.c:1510 vmmioctl(a00,c5005601,ffff800000b57000,1,ffff800021288550) at vmmioctl+0x1f2 VOP_IOCTL(fffffd806e1f6130,c5005601,ffff800000b57000,1,fffffd807f7d8780,ffff800021288550) at VOP_IOCTL+0x9a sys/kern/vfs_vops.c:295 vn_ioctl(fffffd8067079278,c5005601,ffff800000b57000,ffff800021288550) at vn_ioctl+0xba sys/kern/vfs_vnops.c:531 sys_ioctl(ffff800021288550,ffff800021295dc8,ffff800021295e10) at sys_ioctl+0x4a2 syscall(ffff800021295e90) at syscall+0x5a9 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800021295e90) at syscall+0x5a9 sys/arch/amd64/amd64/trap.c:587 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x4e4f8222470, count: -14 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffff800020d38ff0) 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+0x2eb sys/dev/acpi/acpicpu.c:1206 sched_idle(ffff800020d38ff0) at sched_idle+0x417 sys/kern/kern_sched.c:178 end trace frame: 0x0, count: 10 ddb{1}> trace x86_ipi_db(ffff800020d38ff0) 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+0x2eb sys/dev/acpi/acpicpu.c:1206 sched_idle(ffff800020d38ff0) at sched_idle+0x417 sys/kern/kern_sched.c:178 end trace frame: 0x0, count: -5