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 *162677 66134 0 0x8000000 0x4000000 0 syz-executor.1 467517 74742 0 0x8000000 0 1 syz-executor.0 db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff828eb619) at panic+0x17b sys/kern/subr_prf.c:198 witness_checkorder(ffffffff82e4e838,9,0) at witness_checkorder+0xd03 witness_debugger sys/kern/subr_witness.c:2524 [inline] witness_checkorder(ffffffff82e4e838,9,0) at witness_checkorder+0xd03 sys/kern/subr_witness.c:786 __mp_lock(ffffffff82e4e630) at __mp_lock+0xa2 read_rflags machine/cpufunc.h:195 [inline] __mp_lock(ffffffff82e4e630) at __mp_lock+0xa2 intr_disable machine/cpufunc.h:216 [inline] __mp_lock(ffffffff82e4e630) at __mp_lock+0xa2 sys/kern/kern_lock.c:142 intr_handler(ffff800032b62700,ffff80000006bc00) at intr_handler+0x62 sys/arch/amd64/amd64/intr.c:539 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f Xspllower() at Xspllower+0x1d mtx_enter_try(ffffffff82e4baa0) at mtx_enter_try+0x103 mtx_enter(ffffffff82e4baa0) at mtx_enter+0x4e sys/kern/kern_lock.c:266 pool_get(ffffffff82e4baa0,9) at pool_get+0xc4 sys/kern/subr_pool.c:579 uvmspace_alloc(0,1000,1,0) at uvmspace_alloc+0x41 sys/uvm/uvm_map.c:3279 vm_impl_init(ffff800037395050,ffff800037401228) at vm_impl_init+0x92 sys/arch/amd64/amd64/vmm_machdep.c:1244 vm_create(ffff800000e63c00,ffff800037401228) at vm_create+0x13e sys/dev/vmm/vmm.c:388 vmmioctl(a00,c2585601,ffff800000e63c00,1,ffff800037401228) at vmmioctl+0x2de end trace frame: 0xffff800032b62bc0, 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(ffffffff828eb619) at panic+0x17b sys/kern/subr_prf.c:198 witness_checkorder(ffffffff82e4e838,9,0) at witness_checkorder+0xd03 witness_debugger sys/kern/subr_witness.c:2524 [inline] witness_checkorder(ffffffff82e4e838,9,0) at witness_checkorder+0xd03 sys/kern/subr_witness.c:786 __mp_lock(ffffffff82e4e630) at __mp_lock+0xa2 read_rflags machine/cpufunc.h:195 [inline] __mp_lock(ffffffff82e4e630) at __mp_lock+0xa2 intr_disable machine/cpufunc.h:216 [inline] __mp_lock(ffffffff82e4e630) at __mp_lock+0xa2 sys/kern/kern_lock.c:142 intr_handler(ffff800032b62700,ffff80000006bc00) at intr_handler+0x62 sys/arch/amd64/amd64/intr.c:539 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f Xspllower() at Xspllower+0x1d mtx_enter_try(ffffffff82e4baa0) at mtx_enter_try+0x103 mtx_enter(ffffffff82e4baa0) at mtx_enter+0x4e sys/kern/kern_lock.c:266 pool_get(ffffffff82e4baa0,9) at pool_get+0xc4 sys/kern/subr_pool.c:579 uvmspace_alloc(0,1000,1,0) at uvmspace_alloc+0x41 sys/uvm/uvm_map.c:3279 vm_impl_init(ffff800037395050,ffff800037401228) at vm_impl_init+0x92 sys/arch/amd64/amd64/vmm_machdep.c:1244 vm_create(ffff800000e63c00,ffff800037401228) at vm_create+0x13e sys/dev/vmm/vmm.c:388 vmmioctl(a00,c2585601,ffff800000e63c00,1,ffff800037401228) at vmmioctl+0x2de VOP_IOCTL(fffffd806e35ecb0,c2585601,ffff800000e63c00,1,fffffd807f7d38f0,ffff800037401228) at VOP_IOCTL+0x9a sys/kern/vfs_vops.c:264 vn_ioctl(fffffd806b06f0b8,c2585601,ffff800000e63c00,ffff800037401228) at vn_ioctl+0xc0 sys/kern/vfs_vnops.c:525 sys_ioctl(ffff800037401228,ffff800032b62ec0,ffff800032b62e10) at sys_ioctl+0x4a9 syscall(ffff800032b62ec0) at syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff800032b62ec0) at syscall+0x8cf sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xf1598d20ec0, count: -19 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff800032b624f0 rbx 0xffffffff82d1dd77 cpu_info_full_primary+0x2d77 rdx 0xffff800000dfeec0 rcx 0xffff800037401228 rax 0xffffffff82d1cff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x8eacb5f0879090e9 r11 0x4158222a250d74a4 r12 0xffffffff82d1db78 cpu_info_full_primary+0x2b78 r13 0 r14 0 r15 0x1 rip 0xffffffff81dca81c db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff800032b624e0 ss 0x10 db_enter+0x1c: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.1) tid=162677 pid=66134 tcnt=2 stat=onproc flags process=8000000 proc=4000000 runpri=32, usrpri=72, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff800037396fa8,0xffff80002a1ad9c8 process=0xffff800037438908 user=0xffff800032b5d000, vmspace=0xfffffd8067939c20 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=0, intr=1 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 66134 399316 15271 0 2 0x8000000 syz-executor.1 *66134 162677 15271 0 7 0xc000000 syz-executor.1 74742 467517 20368 0 7 0x8000000 syz-executor.0 74742 318998 20368 0 3 0xc000080 kqread syz-executor.0 74742 483900 20368 0 2 0xc000000 syz-executor.0 52595 250430 65226 0 2 0x8000000 syz-executor.7 95069 11101 5687 0 2 0x8000000 syz-executor.6 95069 519968 5687 0 3 0xc000080 fsleep syz-executor.6 99691 241572 43092 0 2 0x8000000 syz-executor.4 99691 194093 43092 0 3 0xc000080 kqpoll syz-executor.4 99691 484480 43092 0 3 0xc000080 kqpoll syz-executor.4 50124 111547 76086 0 2 0x8000000 syz-executor.3 50124 276211 76086 0 3 0xc000080 bpf syz-executor.3 76086 197940 15432 0 3 0x8000082 nanoslp syz-executor.3 43092 252908 15432 0 3 0x8000082 nanoslp syz-executor.4 18752 309388 15432 0 3 0x8000082 nanoslp syz-executor.2 54444 491206 1 0 3 0x18100083 ttyin getty 5687 470872 15432 0 3 0x8000082 nanoslp syz-executor.6 20368 268836 15432 0 3 0x8000082 nanoslp syz-executor.0 21258 284123 0 0 3 0x14280 nfsidl nfsio 13550 48597 0 0 3 0x14280 nfsidl nfsio 38892 198688 0 0 3 0x14280 nfsidl nfsio 5528 19579 0 0 3 0x14280 nfsidl nfsio 29713 253991 0 0 3 0x14280 nfsidl nfsio 80104 419957 0 0 3 0x14280 nfsidl nfsio 21793 119727 0 0 3 0x14280 nfsidl nfsio 25526 73481 0 0 3 0x14280 nfsidl nfsio 333 292029 0 0 3 0x14280 nfsidl nfsio 58225 45269 0 0 3 0x14280 nfsidl nfsio 76747 222635 0 0 3 0x14280 nfsidl nfsio 5702 167622 0 0 3 0x14280 nfsidl nfsio 52384 33056 0 0 3 0x14280 nfsidl nfsio 28189 336249 0 0 3 0x14280 nfsidl nfsio 35781 83082 0 0 3 0x14280 nfsidl nfsio 42633 253379 0 0 3 0x14280 nfsidl nfsio 89646 228749 0 0 3 0x14280 nfsidl nfsio 47533 338248 0 0 3 0x14280 nfsidl nfsio 3424 515100 0 0 3 0x14280 nfsidl nfsio 35604 374572 0 0 3 0x14280 nfsidl nfsio 31388 450626 0 0 3 0x14200 bored sosplice 15271 399624 15432 0 3 0x8000082 nanoslp syz-executor.1 63530 515335 15432 0 3 0x8000082 nanoslp syz-executor.5 65226 448569 15432 0 2 0x8000002 syz-executor.7 15432 489902 18911 0 3 0x1a000082 thrsleep syz-fuzzer 15432 154739 18911 0 3 0x1e000082 thrsleep syz-fuzzer 15432 427806 18911 0 3 0x1e000082 thrsleep syz-fuzzer 15432 388423 18911 0 3 0x1e000082 thrsleep syz-fuzzer 15432 373748 18911 0 3 0x1e000082 wait syz-fuzzer 15432 270353 18911 0 3 0x1e000082 wait syz-fuzzer 15432 110663 18911 0 3 0x1e000082 wait syz-fuzzer 15432 88199 18911 0 3 0x1e000082 kqread syz-fuzzer 15432 372080 18911 0 3 0x1e000082 wait syz-fuzzer 15432 106406 18911 0 3 0x1e000082 wait syz-fuzzer 15432 204723 18911 0 3 0x1e000082 thrsleep syz-fuzzer 15432 487421 18911 0 3 0x1e000082 thrsleep syz-fuzzer 15432 71337 18911 0 3 0x1e000082 wait syz-fuzzer 15432 333394 18911 0 3 0x1e000082 wait syz-fuzzer 15432 210646 18911 0 3 0x1e000082 wait syz-fuzzer 15432 461006 18911 0 3 0x1e000082 thrsleep syz-fuzzer 18911 484570 69843 0 3 0x810008a sigsusp ksh 69843 205034 8695 0 3 0x1800009a kqread sshd 8695 405079 1 0 3 0x18000088 kqread sshd 7522 419654 27933 73 3 0x19100010 ffs_fsync syslogd 27933 23766 1 0 3 0x18100082 sbwait syslogd 26908 295830 1 0 3 0x18100080 kqread resolvd 46688 224552 71091 77 3 0x18100092 kqread dhcpleased 20022 488483 71091 77 3 0x18100092 kqread dhcpleased 71091 273460 1 0 3 0x18000080 kqread dhcpleased 93435 370815 0 0 3 0x14200 bored smr 64955 328398 0 0 2 0x14200 zerothread 57473 508164 0 0 3 0x14200 aiodoned aiodoned 95444 112947 0 0 3 0x14200 syncer update 24352 117270 0 0 3 0x14200 cleaner cleaner 76472 443126 0 0 3 0x14200 reaper reaper 55484 241172 0 0 3 0x14200 pgdaemon pagedaemon 51677 428461 0 0 3 0x14200 bored viomb 29656 109128 0 0 3 0x40014200 acpi0 acpi0 10766 53884 0 0 3 0x40014200 idle1 956 504163 0 0 3 0x14200 bored softnet3 25289 502901 0 0 3 0x14200 bored softnet2 3722 34750 0 0 3 0x14200 bored softnet1 72251 396158 0 0 3 0x14200 bored softnet0 35594 373247 0 0 3 0x14200 bored systqmp 41039 63141 0 0 3 0x14200 bored systq 1897 405371 0 0 3 0x14200 tmoslp softclockmp 31966 459475 0 0 3 0x40014200 tmoslp softclock 95526 424056 0 0 3 0x40014200 idle0 1 253965 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 (0xffffffff82e4bab0) #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:1244 #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 Process 7522 (syslogd) thread 0xffff8000ffffd9b0 (419654) exclusive rrwlock inode r = 0 (0xfffffd806e75d0a0) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1157 #1 rw_enter+0x32d sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x91 sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:524 #4 vn_lock+0x85 sys/kern/vfs_vnops.c:564 #5 sys_fsync+0xf1 sys/kern/vfs_syscalls.c:2904 #6 syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] #6 syscall+0x854 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10202 6434K 10604K 166960K 12209 0 pcb 17 12K 12K 166960K 185 0 rtable 216 14K 15K 166960K 595 0 pf 33 9K 10K 166960K 91 0 ifaddr 42 15K 15K 166960K 88 0 ifgroup 58 2K 2K 166960K 135 0 sysctl 2 0K 0K 166960K 2 0 counters 68 36K 37K 166960K 108 0 ioctlops 1 1K 4K 166960K 1543 0 iov 0 0K 24K 166960K 63 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1379 87K 87K 166960K 2068 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 27 0 VM map 2 1K 1K 166960K 2 0 sem 12 1K 1K 166960K 77 0 dirhash 12 2K 2K 166960K 27 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 17 61K 93K 166960K 1073 0 sigio 0 0K 0K 166960K 22 0 proc 58 79K 115K 166960K 714 0 subproc 104 6K 7K 166960K 196 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 130 0 in_multi 84 6K 7K 166960K 194 0 ether_multi 1 0K 0K 166960K 14 0 mrt 1 0K 0K 166960K 5 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 85 387K 387K 166960K 85 0 exec 0 0K 1K 166960K 543 0 pfkey data 0 0K 0K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 283 95K 116K 166960K 11611 0 UVM aobj 45 5K 5K 166960K 49 0 pinsyscall 37 74K 100K 166960K 2350 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 73 0 NDP 13 0K 1K 166960K 59 0 temp 75 6820K 14756K 166960K 17813 0 kqueue 13 20K 26K 166960K 186 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 120 137 0 134 1 0 1 1 0 8 0 rtentry 112 191 0 93 4 0 4 4 0 8 0 unpcb 144 827 0 811 5 4 1 3 0 8 0 syncache 336 4 0 4 1 1 0 1 0 8 0 tcpqe 32 16 0 16 1 1 0 1 0 8 0 tcpcb 808 282 0 272 6 5 1 4 0 8 0 arp 120 33 0 15 1 0 1 1 0 8 0 inpcb 384 1111 0 1097 11 9 2 4 0 8 0 nd6 136 49 0 25 2 1 1 2 0 8 0 pkpcb 40 7 0 7 3 3 0 1 0 8 0 kcovpl 48 15 0 7 1 0 1 1 0 8 0 ppxss 1168 6 0 6 5 5 0 1 0 8 0 pffrag 232 14 0 14 1 1 0 1 0 482 0 pffrnode 88 10 0 10 1 1 0 1 0 8 0 pffrent 40 156 0 156 1 1 0 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 24 116 0 95 1 0 1 1 0 8 0 pfstkey 128 116 0 95 2 0 2 2 0 8 0 pfstate 376 116 0 95 5 0 5 5 0 8 0 pfrule 1344 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 2 0 1 2 1 1 2 0 8 0 art_heap4 256 708 0 307 33 6 27 29 0 8 0 art_table 32 710 0 308 4 0 4 4 0 8 0 art_node 16 189 0 100 1 0 1 1 0 8 0 sysvmsgpl 40 16 0 10 1 0 1 1 0 8 0 semupl 112 3 0 3 1 1 0 1 0 8 0 semapl 112 75 0 65 1 0 1 1 0 8 0 shmpl 112 46 0 4 2 0 2 2 0 8 0 dirhash 1024 27 0 10 3 0 3 3 0 8 0 dino2pl 256 3262 0 1748 96 0 96 96 0 8 0 ffsino 272 3262 0 1748 102 0 102 102 0 8 0 nchpl 144 4920 0 3178 67 0 67 67 0 8 0 uvmvnodes 80 3781 0 0 78 0 78 78 0 8 0 vnodes 216 3781 0 0 211 0 211 211 0 8 0 namei 1024 16985 0 16985 4 3 1 2 0 8 1 percpumem 16 68 0 20 1 0 1 1 0 8 0 vcpupl 3904 3 0 0 1 0 1 1 0 8 0 vmpool 696 5 0 1 1 0 1 1 0 8 0 kstatmem 264 66 0 40 2 0 2 2 0 8 0 scsiplug 72 6 0 6 4 4 0 1 0 8 0 scxspl 216 28598 0 28597 12 11 1 8 1 8 0 plimitpl 152 184 0 167 1 0 1 1 0 8 0 sigapl 424 1387 0 1319 9 0 9 9 0 8 0 futexpl 64 16797 0 16796 4 3 1 1 0 8 0 knotepl 120 588 0 0 19 1 18 18 0 8 0 kqueuepl 216 352 0 339 2 1 1 2 0 8 0 pipepl 320 277 0 249 3 0 3 3 0 8 0 fdescpl 496 1347 0 1319 7 3 4 5 0 8 0 filepl 152 8266 0 8012 13 1 12 13 0 8 0 lockfpl 104 276 0 273 1 0 1 1 0 8 0 lockfspl 48 122 0 119 1 0 1 1 0 8 0 sessionpl 144 30 0 14 1 0 1 1 0 8 0 pgrppl 48 42 0 26 1 0 1 1 0 8 0 ucredpl 104 1390 0 1377 1 0 1 1 0 8 0 zombiepl 144 1321 0 1319 1 0 1 1 0 8 0 processpl 1136 1387 0 1319 6 0 6 6 0 8 0 procpl 656 2497 0 2407 10 1 9 9 0 8 0 srpgc 96 9 0 9 3 3 0 1 0 8 0 sosppl 168 21 0 21 6 6 0 1 0 8 0 sockpl 664 2089 0 2056 18 15 3 10 0 8 0 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 325 0 0 38 0 38 38 0 8 0 mtagpl 96 10 0 0 1 0 1 1 0 8 0 mbufpl 256 513 0 0 27 0 27 27 0 8 0 bufpl 280 8667 0 1664 501 0 501 501 0 8 0 anonpl 24 317186 0 310803 105 37 68 70 0 186 9 amapchunkpl 152 39708 0 39021 59 21 38 40 0 158 4 amappl16 200 7472 0 7333 51 37 14 24 0 8 4 amappl15 192 46 0 44 1 0 1 1 0 8 0 amappl14 184 169 0 158 2 1 1 2 0 8 0 amappl13 176 39 0 38 1 0 1 1 0 8 0 amappl12 168 2086 0 2053 2 0 2 2 0 8 0 amappl11 160 47 0 37 1 0 1 1 0 8 0 amappl10 152 42 0 33 1 0 1 1 0 8 0 amappl9 144 179 0 179 3 3 0 1 0 8 0 amappl8 136 185 0 151 2 0 2 2 0 8 0 amappl7 128 54 0 41 1 0 1 1 0 8 0 amappl6 120 368 0 354 2 1 1 2 0 8 0 amappl5 112 184 0 172 1 0 1 1 0 8 0 amappl4 104 564 0 530 2 0 2 2 0 8 0 amappl3 96 7793 0 7709 3 0 3 3 0 8 0 amappl2 88 1793 0 1721 4 2 2 4 0 8 0 amappl1 80 12877 0 12381 22 11 11 22 0 8 0 amappl 88 10950 0 10753 6 0 6 6 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 48 0 4 1 0 1 1 0 8 0 uaddrrnd 24 1351 0 1320 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1351 0 1320 1 0 1 1 0 8 0 vmmpekpl 168 13563 0 13490 4 0 4 4 0 8 0 vmmpepl 168 102828 0 100919 145 50 95 115 0 357 0 vmsppl 440 1350 0 1320 4 0 4 4 0 8 0 rwobjpl 56 34793 0 29870 77 6 71 72 0 8 0 pdppl 4096 2709 0 2643 150 82 68 79 0 8 2 pvpl 32 49300 0 0 398 0 398 398 0 265 0 pmappl 248 1350 0 1320 4 1 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 473 0 105 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(ffffffff828eb619) at panic+0x17b sys/kern/subr_prf.c:198 witness_checkorder(ffffffff82e4e838,9,0) at witness_checkorder+0xd03 witness_debugger sys/kern/subr_witness.c:2524 [inline] witness_checkorder(ffffffff82e4e838,9,0) at witness_checkorder+0xd03 sys/kern/subr_witness.c:786 __mp_lock(ffffffff82e4e630) at __mp_lock+0xa2 read_rflags machine/cpufunc.h:195 [inline] __mp_lock(ffffffff82e4e630) at __mp_lock+0xa2 intr_disable machine/cpufunc.h:216 [inline] __mp_lock(ffffffff82e4e630) at __mp_lock+0xa2 sys/kern/kern_lock.c:142 intr_handler(ffff800032b62700,ffff80000006bc00) at intr_handler+0x62 sys/arch/amd64/amd64/intr.c:539 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f Xspllower() at Xspllower+0x1d mtx_enter_try(ffffffff82e4baa0) at mtx_enter_try+0x103 mtx_enter(ffffffff82e4baa0) at mtx_enter+0x4e sys/kern/kern_lock.c:266 pool_get(ffffffff82e4baa0,9) at pool_get+0xc4 sys/kern/subr_pool.c:579 uvmspace_alloc(0,1000,1,0) at uvmspace_alloc+0x41 sys/uvm/uvm_map.c:3279 vm_impl_init(ffff800037395050,ffff800037401228) at vm_impl_init+0x92 sys/arch/amd64/amd64/vmm_machdep.c:1244 vm_create(ffff800000e63c00,ffff800037401228) at vm_create+0x13e sys/dev/vmm/vmm.c:388 vmmioctl(a00,c2585601,ffff800000e63c00,1,ffff800037401228) at vmmioctl+0x2de VOP_IOCTL(fffffd806e35ecb0,c2585601,ffff800000e63c00,1,fffffd807f7d38f0,ffff800037401228) at VOP_IOCTL+0x9a sys/kern/vfs_vops.c:264 vn_ioctl(fffffd806b06f0b8,c2585601,ffff800000e63c00,ffff800037401228) at vn_ioctl+0xc0 sys/kern/vfs_vnops.c:525 sys_ioctl(ffff800037401228,ffff800032b62ec0,ffff800032b62e10) at sys_ioctl+0x4a9 syscall(ffff800032b62ec0) at syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff800032b62ec0) at syscall+0x8cf sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xf1598d20ec0, 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: 0x74d7f6d9cd60, count: 12 ddb{1}> t 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: 0x74d7f6d9cd60, count: -3