panic: acquiring blockable sleep lock with spinlock or critical section held (rwlock) vmmaplk Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 166695 47225 32767 0x10 0 1 syz-executor *361953 47225 32767 0x10 0x4000000 0 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830716f0) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(fffffd806c21ad10,1,0) at witness_checkorder+0x1113 sys/kern/subr_witness.c:843 rw_enter(fffffd806c21ad00,2) at rw_enter+0x122 uvmfault_lookup(ffff80002a0839b0,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff80002a0839b0,ffff80002a0839e8,ffff80002a083a10) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(fffffd806c21ac20,20000000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff80002a083b50,2000011c) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff80002a083b50) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x62 kern_sysctl(ffff80002a083ed4,5,20000100,ffff80002a083f08,0,37,e162edfd325325ac) at kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 sys_sysctl(ffff8000ffff4530,ffff80002a084040,ffff80002a083f90) at sys_sysctl+0x422 syscall(ffff80002a084040) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a084040) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 end trace frame: 0xffff80002a0840c0, 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 (rwlock) vmmaplk ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830716f0) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(fffffd806c21ad10,1,0) at witness_checkorder+0x1113 sys/kern/subr_witness.c:843 rw_enter(fffffd806c21ad00,2) at rw_enter+0x122 uvmfault_lookup(ffff80002a0839b0,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff80002a0839b0,ffff80002a0839e8,ffff80002a083a10) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(fffffd806c21ac20,20000000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff80002a083b50,2000011c) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff80002a083b50) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x62 kern_sysctl(ffff80002a083ed4,5,20000100,ffff80002a083f08,0,37,e162edfd325325ac) at kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 sys_sysctl(ffff8000ffff4530,ffff80002a084040,ffff80002a083f90) at sys_sysctl+0x422 syscall(ffff80002a084040) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a084040) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xa1187fdbb50, count: -15 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80002a0835b0 rbx 0xffffffff834dcdbf cpu_info_full_primary+0x2dbf rdx 0 rcx 0xffff8000ffff4530 rax 0xffffffff834dbff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x42e751370ddffacd r11 0x8bd5df5ece08e3e2 r12 0xffffffff834dcbc0 cpu_info_full_primary+0x2bc0 r13 0 r14 0 r15 0x1 rip 0xffffffff81f62965 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a0835a0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=361953 pid=47225 tcnt=3 stat=onproc flags process=10 proc=4000000 runpri=36, usrpri=50, slppri=36, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000ffff5460,0xffff8000ffff4f60 process=0xffff800029fe8918 user=0xffff80002a07f000, vmspace=0xfffffd806c21ac20 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 47225 166695 81780 32767 7 0x10 syz-executor *47225 361953 81780 32767 7 0x4000010 syz-executor 47225 149271 81780 32767 3 0x4000090 fsleep syz-executor 79741 419363 6053 32767 2 0x10 syz-executor 79741 245073 6053 32767 2 0x4000010 syz-executor 67118 403158 87823 32767 2 0x10 syz-executor 4838 236297 16668 32767 2 0x10 syz-executor 89143 152544 65581 0 2 0x2 syz-executor 49519 5315 34517 32767 2 0x10 syz-executor 49519 112310 34517 32767 3 0x4000090 kqsel syz-executor 79899 73800 89894 32767 3 0x90 nanoslp syz-executor 79899 91953 89894 32767 3 0x4000090 netacc syz-executor 79899 201373 89894 32767 3 0x4000090 sbwait syz-executor 81780 86198 56236 32767 3 0x90 nanoslp syz-executor 56236 407043 65581 0 3 0x82 wait syz-executor 54852 103684 32836 0 3 0x82 netio sshd-session 34517 364427 13076 32767 3 0x90 nanoslp syz-executor 13076 176332 65581 0 3 0x82 wait syz-executor 6053 408359 81714 32767 3 0x90 nanoslp syz-executor 81714 111158 65581 0 3 0x82 wait syz-executor 87823 464045 94954 32767 2 0x10 syz-executor 94954 489288 65581 0 3 0x82 wait syz-executor 21409 205184 32836 0 3 0x82 netio sshd-session 89894 364369 52912 32767 3 0x90 nanoslp syz-executor 52912 358844 65581 0 3 0x82 wait syz-executor 31156 374575 50042 32767 3 0x10 biowait syz-executor 50042 289116 65581 0 3 0x82 wait syz-executor 16668 81346 83517 32767 3 0x90 nanoslp syz-executor 83517 248266 65581 0 3 0x82 wait syz-executor 18548 445783 0 0 3 0x14200 bored sosplice 65581 114271 72937 0 3 0x82 kqread syz-executor 72937 64452 42893 0 3 0x10008a sigsusp ksh 42893 372481 99886 0 3 0x98 kqread sshd-session 99886 448241 32836 0 3 0x92 kqread sshd-session 7596 421137 1 0 3 0x100083 ttyin getty 32836 492690 1 0 3 0x88 kqread sshd 99090 350815 29916 73 3 0x1100090 kqread syslogd 29916 97161 1 0 3 0x100082 sbwait syslogd 69211 31930 1 0 3 0x100080 kqread resolvd 77744 504145 51975 77 3 0x100092 kqread dhcpleased 99555 320055 51975 77 3 0x100092 kqread dhcpleased 51975 14343 1 0 3 0x80 kqread dhcpleased 48889 403981 0 0 3 0x14200 bored smr 21472 66978 0 0 2 0x14200 zerothread 92977 90847 0 0 3 0x14200 aiodoned aiodoned 98329 69767 0 0 3 0x14200 syncer update 61568 88424 0 0 3 0x14200 cleaner cleaner 5299 425808 0 0 3 0x14200 reaper reaper 81703 36300 0 0 3 0x14200 pgdaemon pagedaemon 68609 412644 0 0 3 0x14200 bored viomb 34841 231416 0 0 3 0x40014200 acpi0 acpi0 99216 119495 0 0 3 0x40014200 idle1 86274 361705 0 0 3 0x14200 bored softnet3 8029 20568 0 0 3 0x14200 bored softnet2 29005 130930 0 0 3 0x14200 bored softnet1 97049 24644 0 0 3 0x14200 bored softnet0 83419 133497 0 0 3 0x14200 bored systqmp 40197 186316 0 0 3 0x14200 bored systq 17440 167812 0 0 3 0x14200 tmoslp softclockmp 46756 6341 0 0 3 0x40014200 tmoslp softclock 75363 416134 0 0 3 0x40014200 idle0 1 250080 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex &table->inpt_mtx r = 0 (0xffffffff835c33d8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 mtx_enter_try+0x178 #2 mtx_enter+0x60 sys/kern/kern_lock.c:239 #3 sysctl_file+0xa2d #4 kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 #5 sys_sysctl+0x422 #6 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #6 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 Process 47225 (syz-executor) thread 0xffff8000ffff4530 (361953) exclusive rwlock netlock r = 0 (0xffffffff83498b10) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 sysctl_file+0xa18 sys/kern/kern_sysctl.c:1675 #2 kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 #3 sys_sysctl+0x422 #4 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #4 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #5 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83628a80) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 __mp_acquire_count+0x58 #2 mi_switch+0x4b7 sys/kern/sched_bsd.c:441 #3 sleep_finish+0x219 sys/kern/kern_synch.c:416 #4 rw_enter+0x348 sys/kern/kern_rwlock.c:285 #5 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 #6 uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 #7 uvm_fault+0x112 sys/uvm/uvm_fault.c:600 #8 uvm_fault_wire+0x73 sys/uvm/uvm_fault.c:1602 #9 sysctl_vslock+0x109 sys/kern/kern_sysctl.c:186 #10 kern_sysctl+0x1b3 sys/kern/kern_sysctl.c:498 #11 sys_sysctl+0x422 #12 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #12 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #13 Xsyscall+0x128 exclusive rwlock sysctllk r = 0 (0xffffffff8347e0d0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 sysctl_vslock+0x45 sys/kern/kern_sysctl.c:176 #3 kern_sysctl+0x1b3 sys/kern/kern_sysctl.c:498 #4 sys_sysctl+0x422 #5 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #5 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #6 Xsyscall+0x128 exclusive mutex &table->inpt_mtx r = 0 (0xffffffff835c33d8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 mtx_enter_try+0x178 #2 mtx_enter+0x60 sys/kern/kern_lock.c:239 #3 sysctl_file+0xa2d #4 kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 #5 sys_sysctl+0x422 #6 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #6 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 Process 47225 (syz-executor) thread 0xffff8000ffff4f50 (149271) exclusive rwlock vmmaplk r = 0 (0xfffffd806c21ad10) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 vm_map_lock_ln+0x143 sys/uvm/uvm_map.c:5252 #3 uvm_map_protect+0xe1 sys/uvm/uvm_map.c:3059 #4 sys_mprotect+0x34c sys/uvm/uvm_mmap.c:585 #5 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #5 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #6 Xsyscall+0x128 Process 31156 (syz-executor) thread 0xffff800031b83c60 (374575) exclusive rrwlock inode r = 0 (0xfffffd80623e51b0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:169 #5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1230 #6 ffs_inode_alloc+0x283 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0x113 sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3099 #10 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #10 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd80643e42c0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 #6 namei+0x7aa sys/kern/vfs_lookup.c:250 #7 domkdirat+0x8b sys/kern/vfs_syscalls.c:3084 #8 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #8 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10215 11049K 11059K 166960K 13494 0 pcb 17 24K 26K 166960K 27 0 rtable 214 6K 7K 166960K 26108 0 pf 29 16K 16K 166960K 1514 0 ifaddr 38 14K 19K 166960K 2984 0 ifgroup 46 2K 2K 166960K 2997 0 sysctl 4 1K 5K 166960K 66 0 counters 62 36K 36K 166960K 1528 0 ioctlops 0 0K 2K 166960K 1638 0 iov 0 0K 32K 166960K 3319 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1460 92K 92K 166960K 20352 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 13K 166960K 812 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 1355 0 dirhash 15 3K 4K 166960K 1131 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 24 86K 161K 166960K 44973 0 sigio 0 0K 0K 166960K 1415 0 proc 58 79K 176K 166960K 24748 0 subproc 99 6K 12K 166960K 11331 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 10422 0 in_multi 88 6K 8K 166960K 9934 0 ether_multi 1 0K 0K 166960K 273 0 mrt 1 0K 0K 166960K 7 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 277 1235K 1235K 166960K 277 0 exec 0 0K 1K 166960K 16711 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 261 67K 132K 166960K 380459 0 UVM aobj 131 5K 7K 166960K 145 0 pinsyscall 48 96K 138K 166960K 66052 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 2937 0 NDP 12 0K 2K 166960K 2223 0 temp 76 6825K 6952K 166960K 277290 0 kqueue 14 22K 35K 166960K 7065 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 7221 0 7215 45 42 3 5 0 8 2 rtentry 112 8606 0 8506 18 14 4 4 0 8 0 unpcb 144 43118 0 43103 212 210 2 13 0 8 1 syncache 336 879 0 878 35 34 1 1 0 8 0 tcpqe 32 421 0 421 35 34 1 1 0 8 1 tcpcb 808 29118 0 29021 242 224 18 26 0 8 0 arp 120 1513 0 1497 1 0 1 1 0 8 0 ipq 40 333 0 328 8 7 1 1 0 8 0 ipqe 40 9695 0 9690 8 7 1 1 0 8 0 inpcb 336 64046 0 63944 286 270 16 29 0 8 0 ip6q 72 8 0 8 7 7 0 1 0 8 0 ip6af 40 16 0 16 7 7 0 1 0 8 0 nd6 136 2632 0 2610 13 11 2 2 0 8 0 kcovpl 48 871 0 864 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 34726 0 34306 236 205 31 33 0 8 1 art_table 32 34727 0 34306 14 9 5 5 0 8 0 art_node 16 8605 0 8514 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 0 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 1338 0 1328 1 0 1 1 0 8 0 shmpl 112 142 0 14 4 0 4 4 0 8 0 dirhash 1024 778 0 751 13 9 4 4 0 8 0 dino2pl 256 58468 0 54318 263 2 261 261 0 8 0 ffsino 272 58468 0 54318 281 3 278 278 0 8 0 nchpl 144 105971 0 102768 120 1 119 119 0 8 0 uvmvnodes 80 11169 0 0 228 0 228 228 0 8 0 vnodes 216 11169 0 0 621 0 621 621 0 8 0 namei 1024 466731 0 466730 65 64 1 3 0 8 0 percpumem 16 778 0 733 1 0 1 1 0 8 0 kstatmem 264 1486 0 1466 2 0 2 2 0 8 0 scxspl 216 481072 0 481071 91 88 3 8 1 8 2 plimitpl 152 16040 0 16016 3 1 2 2 0 8 0 sigapl 424 43707 0 43651 17 9 8 9 0 8 0 futexpl 64 512583 0 512582 34 33 1 1 0 8 0 knotepl 120 1845 0 0 22 0 22 22 0 8 0 kqueuepl 216 14588 0 14577 129 127 2 8 0 8 1 pipepl 320 8674 0 8644 87 84 3 9 0 8 0 fdescpl 496 43688 0 43651 29 23 6 8 0 8 0 filepl 152 319564 0 319315 212 194 18 28 0 8 5 lockfpl 104 12407 0 12405 6 4 2 2 0 8 1 lockfspl 48 3601 0 3599 1 0 1 1 0 8 0 sessionpl 144 971 0 954 1 0 1 1 0 8 0 pgrppl 48 2573 0 2548 1 0 1 1 0 8 0 ucredpl 104 65535 0 65517 1 0 1 1 0 8 0 zombiepl 144 43651 0 43651 2 1 1 1 0 8 1 processpl 1160 43707 0 43651 18 13 5 6 0 8 0 procpl 648 100955 0 100893 19 12 7 8 0 8 0 srpgc 96 37 0 37 17 17 0 1 0 8 0 sosppl 168 520 0 516 19 18 1 1 0 8 0 sockpl 664 115387 0 115257 445 423 22 39 0 8 0 mcl64k 65536 80 0 0 5 0 5 5 0 8 0 mcl16k 16384 8 0 0 1 0 1 1 0 8 0 mcl12k 12288 11 0 0 2 0 2 2 0 8 0 mcl9k 9216 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 17 0 0 3 0 3 3 0 8 0 mcl4k 4096 278 0 0 17 4 13 17 0 8 0 mcl2k2 2112 7 0 0 1 0 1 1 0 8 0 mcl2k 2048 472 0 0 8 2 6 7 0 8 0 mtagpl 96 13 0 0 1 0 1 1 0 8 0 mbufpl 256 7771 0 0 430 0 430 430 0 8 0 bufpl 280 76834 0 65664 798 0 798 798 0 8 0 anonpl 24 5212652 0 5203481 517 422 95 108 0 185 14 amapchunkpl 152 1248820 0 1248141 343 295 48 48 0 158 11 amappl16 200 117609 0 117423 633 609 24 37 0 8 8 amappl15 192 23 0 23 11 11 0 1 0 8 0 amappl14 184 2029 0 2017 1 0 1 1 0 8 0 amappl13 176 37 0 37 27 27 0 1 0 8 0 amappl12 168 56301 0 56265 11 8 3 3 0 8 0 amappl11 160 52 0 42 1 0 1 1 0 8 0 amappl10 152 14 0 13 2 1 1 1 0 8 0 amappl9 144 141 0 140 3 2 1 1 0 8 0 amappl8 136 23 0 21 1 0 1 1 0 8 0 amappl7 128 1856 0 1843 1 0 1 1 0 8 0 amappl6 120 7489 0 7487 2 1 1 1 0 8 0 amappl5 112 3275 0 3263 1 0 1 1 0 8 0 amappl4 104 3386 0 3369 1 0 1 1 0 8 0 amappl3 96 254208 0 254092 6 1 5 5 0 8 0 amappl2 88 13862 0 13783 3 1 2 3 0 8 0 amappl1 80 240585 0 239883 42 25 17 28 0 8 0 amappl 88 370420 0 370224 8 1 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 72 144 0 14 3 0 3 3 0 8 0 uaddrrnd 24 43688 0 43651 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 43688 0 43651 1 0 1 1 0 8 0 vmmpekpl 168 348869 0 348781 10 5 5 5 0 8 0 vmmpepl 168 2675941 0 2673597 466 347 119 154 0 357 1 vmsppl 440 43687 0 43651 12 7 5 7 0 8 0 rwobjpl 56 689410 0 676895 222 42 180 181 0 8 0 pdppl 4096 87383 0 87302 1674 1585 89 119 0 8 8 pvpl 32 35462 0 0 278 0 278 278 0 265 0 pmappl 248 43687 0 43651 13 10 3 4 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 3563 0 2404 34 0 34 34 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830716f0) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(fffffd806c21ad10,1,0) at witness_checkorder+0x1113 sys/kern/subr_witness.c:843 rw_enter(fffffd806c21ad00,2) at rw_enter+0x122 uvmfault_lookup(ffff80002a0839b0,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff80002a0839b0,ffff80002a0839e8,ffff80002a083a10) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(fffffd806c21ac20,20000000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff80002a083b50,2000011c) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff80002a083b50) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x62 kern_sysctl(ffff80002a083ed4,5,20000100,ffff80002a083f08,0,37,e162edfd325325ac) at kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 sys_sysctl(ffff8000ffff4530,ffff80002a084040,ffff80002a083f90) at sys_sysctl+0x422 syscall(ffff80002a084040) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a084040) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xa1187fdbb50, count: -15 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff800029b7bff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 Xsyscall() at Xsyscall+0x111 end of kernel end trace frame: 0x7aeb9a961710, count: 11 ddb{1}> trace x86_ipi_db(ffff800029b7bff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 Xsyscall() at Xsyscall+0x111 end of kernel end trace frame: 0x7aeb9a961710, count: -4