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 *314512 4784 32767 0x10 0x4000000 0 syz-executor 29046 4784 32767 0x10 0x4000000 1 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff83070331) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(fffffd806c1d6ec8,1,0) at witness_checkorder+0x1113 sys/kern/subr_witness.c:843 rw_enter(fffffd806c1d6eb8,2) at rw_enter+0x122 uvmfault_lookup(ffff80002a0ca560,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff80002a0ca560,ffff80002a0ca598,ffff80002a0ca5c0) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(fffffd806c1d6dd8,20000000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff80002a0ca700,2000010c) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff80002a0ca700) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x62 kern_sysctl(ffff80002a0caa84,5,20000100,ffff80002a0caab8,0,37,c7db17833b3e0782) at kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 sys_sysctl(ffff80003579bc28,ffff80002a0cabf0,ffff80002a0cab40) at sys_sysctl+0x422 syscall(ffff80002a0cabf0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a0cabf0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 end trace frame: 0xffff80002a0cac70, 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(ffffffff83070331) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(fffffd806c1d6ec8,1,0) at witness_checkorder+0x1113 sys/kern/subr_witness.c:843 rw_enter(fffffd806c1d6eb8,2) at rw_enter+0x122 uvmfault_lookup(ffff80002a0ca560,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff80002a0ca560,ffff80002a0ca598,ffff80002a0ca5c0) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(fffffd806c1d6dd8,20000000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff80002a0ca700,2000010c) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff80002a0ca700) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x62 kern_sysctl(ffff80002a0caa84,5,20000100,ffff80002a0caab8,0,37,c7db17833b3e0782) at kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 sys_sysctl(ffff80003579bc28,ffff80002a0cabf0,ffff80002a0cab40) at sys_sysctl+0x422 syscall(ffff80002a0cabf0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a0cabf0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6a0ec5d620, count: -15 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80002a0ca160 rbx 0xffffffff8348bdbf cpu_info_full_primary+0x2dbf rdx 0 rcx 0xffff80003579bc28 rax 0xffffffff8348aff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xe6761295695b123b r11 0xb075a464d08772fa r12 0xffffffff8348bbc0 cpu_info_full_primary+0x2bc0 r13 0 r14 0 r15 0x1 rip 0xffffffff82a58d75 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a0ca150 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=314512 pid=4784 tcnt=4 stat=onproc flags process=10 proc=4000000 runpri=32, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003579a050,0xffff80003579a7f8 process=0xffff8000357796c8 user=0xffff80002a0c5000, vmspace=0xfffffd806c1d6dd8 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 4784 257549 57947 32767 2 0x10 syz-executor * 4784 314512 57947 32767 7 0x4000010 syz-executor 4784 28824 57947 32767 3 0x4000090 fsleep syz-executor 4784 29046 57947 32767 7 0x4000010 syz-executor 4706 181619 99227 32767 2 0x10 syz-executor 4706 69633 99227 32767 3 0x4000090 kqread syz-executor 13300 201464 18608 32767 3 0x90 nanoslp syz-executor 13300 439240 18608 32767 3 0x4000090 sbwait syz-executor 13300 260476 18608 32767 3 0x4000090 fsleep syz-executor 14762 310534 986 32767 3 0x90 nanoslp syz-executor 14762 312746 986 32767 3 0x4000090 sbwait syz-executor 14762 309296 986 32767 3 0x4000090 fsleep syz-executor 18608 103261 92371 32767 3 0x90 nanoslp syz-executor 92371 294636 35572 0 3 0x82 wait syz-executor 59896 113007 10435 32767 3 0x90 piperd syz-executor 10435 510731 35572 0 3 0x82 wait syz-executor 88072 108894 38524 32767 3 0x90 piperd syz-executor 38524 511781 35572 0 3 0x82 wait syz-executor 986 208301 40483 32767 3 0x90 nanoslp syz-executor 40483 511838 35572 0 3 0x82 wait syz-executor 13501 185037 55152 32767 3 0x10 biowait syz-executor 55152 513742 35572 0 3 0x82 wait syz-executor 99227 509445 4132 32767 3 0x90 nanoslp syz-executor 4132 111838 35572 0 3 0x82 wait syz-executor 96974 81471 94387 0 3 0x82 netio sshd-session 57947 53739 71739 32767 3 0x90 nanoslp syz-executor 71739 478587 35572 0 3 0x82 wait syz-executor 55663 1494 66218 32767 3 0x90 piperd syz-executor 66218 127823 35572 0 3 0x82 wait syz-executor 97930 404614 94387 0 3 0x82 netio sshd-session 38338 234957 0 0 3 0x14200 bored sosplice 35572 398235 44238 0 2 0x2 syz-executor 44238 283335 25457 0 3 0x10008a sigsusp ksh 25457 204483 21450 0 3 0x98 kqread sshd-session 21450 300902 94387 0 3 0x92 kqread sshd-session 31568 390201 1 0 3 0x100083 ttyin getty 94387 224836 1 0 3 0x88 kqread sshd 40778 8071 13652 73 3 0x1100090 kqread syslogd 13652 174189 1 0 3 0x100082 sbwait syslogd 99173 238475 1 0 3 0x100080 kqread resolvd 98076 430263 89807 77 3 0x100092 kqread dhcpleased 7925 37746 89807 77 3 0x100092 kqread dhcpleased 89807 209744 1 0 3 0x80 kqread dhcpleased 97628 378897 0 0 3 0x14200 bored smr 34409 33508 0 0 2 0x14200 zerothread 25537 297002 0 0 3 0x14200 aiodoned aiodoned 32250 65783 0 0 3 0x14200 syncer update 12520 198417 0 0 3 0x14200 cleaner cleaner 60879 205170 0 0 3 0x14200 reaper reaper 22215 393702 0 0 3 0x14200 pgdaemon pagedaemon 26699 9460 0 0 3 0x14200 bored viomb 52978 27175 0 0 3 0x40014200 acpi0 acpi0 93590 128599 0 0 3 0x40014200 idle1 81870 84656 0 0 3 0x14200 bored softnet3 51696 158897 0 0 3 0x14200 bored softnet2 20139 189581 0 0 3 0x14200 bored softnet1 43419 445079 0 0 3 0x14200 bored softnet0 73402 261813 0 0 3 0x14200 bored systqmp 9600 435346 0 0 3 0x14200 bored systq 27172 517960 0 0 3 0x14200 tmoslp softclockmp 94840 244152 0 0 3 0x40014200 tmoslp softclock 49813 363961 0 0 3 0x40014200 idle0 1 62480 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 (0xffffffff835ae7f0) #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 4784 (syz-executor) thread 0xffff80003579bc28 (314512) exclusive rwlock netlock r = 0 (0xffffffff83443a80) #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 (0xffffffff8361e468) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 sysctl_vslock+0x80 sys/kern/kern_sysctl.c:181 #2 kern_sysctl+0x1b3 sys/kern/kern_sysctl.c:498 #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 rwlock sysctllk r = 0 (0xffffffff8341ac70) #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 (0xffffffff835ae7f0) #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 4784 (syz-executor) thread 0xffff80003579a7e8 (28824) exclusive rwlock vmmaplk r = 0 (0xfffffd806c1d6ec8) #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 13501 (syz-executor) thread 0xffff8000371dcf70 (185037) exclusive rrwlock inode r = 0 (0xfffffd805dafe1b8) #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 (0xfffffd805c949700) #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 10239 11054K 11059K 166960K 13011 0 pcb 17 26K 30K 166960K 27 0 rtable 240 6K 7K 166960K 19774 0 pf 31 16K 16K 166960K 1167 0 ifaddr 42 15K 18K 166960K 2294 0 ifgroup 50 2K 2K 166960K 2314 0 sysctl 4 1K 5K 166960K 24 0 counters 64 36K 36K 166960K 1192 0 ioctlops 0 0K 2K 166960K 1210 0 iov 1 2K 28K 166960K 2736 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1459 92K 92K 166960K 16126 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 13K 166960K 612 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 893 0 dirhash 18 3K 4K 166960K 867 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 22 81K 157K 166960K 36220 0 sigio 0 0K 0K 166960K 1418 0 proc 58 79K 176K 166960K 19013 0 subproc 104 6K 12K 166960K 8398 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 8829 0 in_multi 99 7K 8K 166960K 7669 0 ether_multi 1 0K 0K 166960K 250 0 mrt 1 0K 0K 166960K 8 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 403 1791K 1791K 166960K 403 0 exec 0 0K 1K 166960K 13532 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 256 75K 132K 166960K 310767 0 UVM aobj 131 4K 8K 166960K 140 0 pinsyscall 47 94K 137K 166960K 52846 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 2441 0 NDP 13 0K 2K 166960K 1704 0 temp 76 6825K 6952K 166960K 218927 0 kqueue 16 26K 34K 166960K 5746 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 5443 0 5440 37 35 2 3 0 8 1 rtentry 112 6646 0 6533 13 9 4 4 0 8 0 unpcb 144 33462 0 33317 155 149 6 11 0 8 0 syncache 336 677 0 677 24 23 1 1 0 8 1 tcpqe 32 310 0 310 34 34 0 1 0 8 0 tcpcb 808 24509 0 24426 184 168 16 24 0 8 2 arp 120 1158 0 1139 1 0 1 1 0 8 0 ipq 40 238 0 234 9 8 1 1 0 8 0 ipqe 40 3454 0 3450 9 8 1 1 0 8 0 inpcb 336 56221 0 56129 229 212 17 29 0 8 1 ip6q 72 6 0 6 6 6 0 1 0 8 0 ip6af 40 12 0 12 6 6 0 1 0 8 0 nd6 136 2071 0 2045 10 8 2 2 0 8 0 kcovpl 48 646 0 638 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 26990 0 26525 182 151 31 33 0 8 0 art_table 32 26991 0 26525 9 5 4 5 0 8 0 art_node 16 6645 0 6542 1 0 1 1 0 8 0 sysvmsgpl 40 23 0 16 1 0 1 1 0 8 0 semapl 112 884 0 874 1 0 1 1 0 8 0 shmpl 112 137 0 9 4 0 4 4 0 8 0 dirhash 1024 602 0 573 13 9 4 4 0 8 0 dino2pl 256 47828 0 44286 222 0 222 222 0 8 0 ffsino 272 47828 0 44286 237 0 237 237 0 8 0 nchpl 144 87165 0 83991 119 0 119 119 0 8 0 uvmvnodes 80 10481 0 0 214 0 214 214 0 8 0 vnodes 216 10481 0 0 583 0 583 583 0 8 0 namei 1024 374350 0 374349 49 48 1 2 0 8 0 percpumem 16 610 0 564 1 0 1 1 0 8 0 kstatmem 264 1150 0 1128 3 1 2 2 0 8 0 scxspl 216 375638 0 375637 92 88 4 8 1 8 3 plimitpl 152 12826 0 12801 2 0 2 2 0 8 0 sigapl 424 35442 0 35387 21 14 7 9 0 8 0 futexpl 64 425059 0 425056 26 25 1 1 0 8 0 knotepl 120 2027 0 0 26 0 26 26 0 8 0 kqueuepl 216 12247 0 12235 105 103 2 8 0 8 1 pipepl 320 7385 0 7356 103 100 3 13 0 8 0 fdescpl 496 35423 0 35387 17 11 6 7 0 8 0 filepl 152 263376 0 262993 181 161 20 27 0 8 3 lockfpl 104 9303 0 9301 3 2 1 2 0 8 0 lockfspl 48 3001 0 2999 1 0 1 1 0 8 0 sessionpl 144 806 0 788 1 0 1 1 0 8 0 pgrppl 48 2203 0 2177 1 0 1 1 0 8 0 ucredpl 104 55026 0 55007 1 0 1 1 0 8 0 zombiepl 144 35387 0 35387 1 0 1 1 0 8 1 processpl 1160 35442 0 35387 15 10 5 6 0 8 0 procpl 648 82896 0 82833 15 8 7 7 0 8 0 srpgc 96 27 0 27 13 13 0 1 0 8 0 sosppl 168 460 0 458 24 23 1 1 0 8 0 sockpl 664 96245 0 96002 378 354 24 47 0 8 3 mcl64k 65536 60 0 0 6 0 6 6 0 8 0 mcl16k 16384 6 0 0 1 0 1 1 0 8 0 mcl12k 12288 6 0 0 1 0 1 1 0 8 0 mcl9k 9216 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 25 0 0 4 1 3 3 0 8 0 mcl4k 4096 249 0 0 19 5 14 19 0 8 0 mcl2k2 2112 24 0 0 2 0 2 2 0 8 0 mcl2k 2048 440 0 0 18 13 5 10 0 8 0 mtagpl 96 14 0 0 1 0 1 1 0 8 0 mbufpl 256 7794 0 0 435 0 435 435 0 8 0 bufpl 280 66317 0 55835 750 1 749 749 0 8 0 anonpl 24 4465412 0 4457267 528 438 90 105 0 185 13 amapchunkpl 152 1031904 0 1031264 352 312 40 49 0 158 7 amappl16 200 107238 0 107089 538 516 22 35 0 8 8 amappl15 192 13 0 13 9 9 0 1 0 8 0 amappl14 184 1691 0 1679 1 0 1 1 0 8 0 amappl13 176 38 0 37 1 0 1 1 0 8 0 amappl12 168 45210 0 45174 13 10 3 3 0 8 0 amappl11 160 45 0 35 1 0 1 1 0 8 0 amappl10 152 15 0 15 2 2 0 1 0 8 0 amappl9 144 138 0 137 2 1 1 1 0 8 0 amappl8 136 24 0 22 1 0 1 1 0 8 0 amappl7 128 1554 0 1541 1 0 1 1 0 8 0 amappl6 120 5734 0 5732 1 0 1 1 0 8 0 amappl5 112 2588 0 2576 1 0 1 1 0 8 0 amappl4 104 2939 0 2921 1 0 1 1 0 8 0 amappl3 96 208146 0 208028 5 1 4 5 0 8 0 amappl2 88 11266 0 11188 4 1 3 3 0 8 0 amappl1 80 206825 0 206125 46 28 18 19 0 8 0 amappl 88 302510 0 302319 10 4 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 72 139 0 9 3 0 3 3 0 8 0 uaddrrnd 24 35423 0 35387 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 35423 0 35387 1 0 1 1 0 8 0 vmmpekpl 168 309976 0 309926 5 1 4 5 0 8 0 vmmpepl 168 2195172 0 2192906 431 306 125 132 0 357 11 vmsppl 440 35422 0 35387 12 7 5 7 0 8 0 rwobjpl 56 583671 0 571886 211 39 172 172 0 8 1 pdppl 4096 70853 0 70774 1437 1348 89 117 0 8 10 pvpl 32 46448 0 0 374 2 372 372 0 265 0 pmappl 248 35422 0 35387 12 9 3 4 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 3064 0 1980 32 0 32 32 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(ffffffff83070331) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(fffffd806c1d6ec8,1,0) at witness_checkorder+0x1113 sys/kern/subr_witness.c:843 rw_enter(fffffd806c1d6eb8,2) at rw_enter+0x122 uvmfault_lookup(ffff80002a0ca560,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff80002a0ca560,ffff80002a0ca598,ffff80002a0ca5c0) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(fffffd806c1d6dd8,20000000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff80002a0ca700,2000010c) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff80002a0ca700) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x62 kern_sysctl(ffff80002a0caa84,5,20000100,ffff80002a0caab8,0,37,c7db17833b3e0782) at kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 sys_sysctl(ffff80003579bc28,ffff80002a0cabf0,ffff80002a0cab40) at sys_sysctl+0x422 syscall(ffff80002a0cabf0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a0cabf0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6a0ec5d620, 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 __mp_lock(ffffffff8361e260) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8361e260) at __mp_lock+0x192 sys/kern/kern_lock.c:144 end trace frame: 0x0, 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 __mp_lock(ffffffff8361e260) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8361e260) at __mp_lock+0x192 sys/kern/kern_lock.c:144 end trace frame: 0x0, count: -4