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 206823 91092 32767 0x10 0 0 syz-executor *513708 91092 32767 0x10 0x4000000 1 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff83070976) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(fffffd806919fb48,1,0) at witness_checkorder+0x1113 sys/kern/subr_witness.c:843 rw_enter(fffffd806919fb38,2) at rw_enter+0x122 uvmfault_lookup(ffff800037025300,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff800037025300,ffff800037025338,ffff800037025360) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(fffffd806919fa58,20000000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff8000370254a0,2000012c) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff8000370254a0) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x62 kern_sysctl(ffff800037025824,5,20000100,ffff800037025858,0,37,5e705a21bfb97eb7) at kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 sys_sysctl(ffff80002dda7720,ffff800037025990,ffff8000370258e0) at sys_sysctl+0x422 syscall(ffff800037025990) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800037025990) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 end trace frame: 0xffff800037025a10, 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{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic *cpu1: acquiring blockable sleep lock with spinlock or critical section held (rwlock) vmmaplk ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff83070976) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(fffffd806919fb48,1,0) at witness_checkorder+0x1113 sys/kern/subr_witness.c:843 rw_enter(fffffd806919fb38,2) at rw_enter+0x122 uvmfault_lookup(ffff800037025300,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff800037025300,ffff800037025338,ffff800037025360) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(fffffd806919fa58,20000000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff8000370254a0,2000012c) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff8000370254a0) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x62 kern_sysctl(ffff800037025824,5,20000100,ffff800037025858,0,37,5e705a21bfb97eb7) at kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 sys_sysctl(ffff80002dda7720,ffff800037025990,ffff8000370258e0) at sys_sysctl+0x422 syscall(ffff800037025990) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800037025990) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x36b74ee7af0, count: -15 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff800037024f00 rbx 0xffff800029b7cdbf rdx 0 rcx 0xffff80002dda7720 rax 0xffff800029b7bff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x7d249dac731b3ae3 r11 0xb9910da3917fcc2d r12 0xffff800029b7cbc0 r13 0 r14 0 r15 0x1 rip 0xffffffff82c06915 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff800037024ef0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=513708 pid=91092 tcnt=4 stat=onproc flags process=10 proc=4000000 runpri=50, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002dda62e0,0xffff80002dda7220 process=0xffff8000371e1240 user=0xffff800037020000, vmspace=0xfffffd806919fa58 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 91092 206823 69257 32767 7 0x10 syz-executor *91092 513708 69257 32767 7 0x4000010 syz-executor 91092 8548 69257 32767 3 0x4000090 netcon syz-executor 91092 454343 69257 32767 3 0x4000090 fsleep syz-executor 28270 155253 83567 32767 2 0x10 syz-executor 28270 109090 83567 32767 3 0x4000090 fsleep syz-executor 28270 141515 83567 32767 3 0x4000090 fsleep syz-executor 56353 344655 87590 32767 3 0x90 nanoslp syz-executor 56353 162842 87590 32767 3 0x4000090 kqsel syz-executor 56353 369000 87590 32767 3 0x4000090 fsleep syz-executor 86755 89785 97540 32767 3 0x90 nanoslp syz-executor 86755 54677 97540 32767 3 0x4000090 fsleep syz-executor 86755 124979 97540 32767 3 0x4000090 pipewr syz-executor 83567 272590 10970 32767 3 0x90 nanoslp syz-executor 10970 413206 97476 0 3 0x82 wait syz-executor 81072 316385 12897 32767 3 0x90 nanoslp syz-executor 81072 352782 12897 32767 3 0x4000090 fsleep syz-executor 81072 358579 12897 32767 3 0x4000090 pipewr syz-executor 81072 334495 12897 32767 3 0x4000090 fsleep syz-executor 69257 396412 22995 32767 3 0x90 nanoslp syz-executor 22995 148950 97476 0 3 0x82 wait syz-executor 57902 205433 97476 0 3 0x82 wait syz-executor 97540 13423 46354 32767 3 0x90 nanoslp syz-executor 46354 227111 97476 0 3 0x82 wait syz-executor 37732 303369 73232 32767 3 0x90 wait syz-executor 73232 380216 97476 0 3 0x82 wait syz-executor 44624 497817 44548 32767 2 0x10 syz-executor 44548 475015 97476 0 3 0x82 wait syz-executor 87590 98364 20429 32767 3 0x90 nanoslp syz-executor 20429 75036 97476 0 3 0x82 wait syz-executor 12897 502630 63159 32767 3 0x90 nanoslp syz-executor 63159 351552 97476 0 3 0x82 wait syz-executor 84628 439267 0 0 3 0x14200 bored sosplice 97476 479102 64849 0 2 0x2 syz-executor 64849 262066 67918 0 3 0x10008a sigsusp ksh 67918 145426 1356 0 3 0x98 kqread sshd-session 1356 514862 60458 0 3 0x92 kqread sshd-session 3284 147137 1 0 3 0x100083 ttyin getty 60458 148732 1 0 3 0x88 kqread sshd 89560 426315 62377 73 3 0x1100090 kqread syslogd 62377 123955 1 0 3 0x100082 sbwait syslogd 44925 28001 1 0 3 0x100080 kqread resolvd 79822 14789 36822 77 3 0x100092 kqread dhcpleased 17555 437514 36822 77 3 0x100092 kqread dhcpleased 36822 454187 1 0 3 0x80 kqread dhcpleased 18662 334573 0 0 3 0x14200 bored smr 93420 166832 0 0 2 0x14200 zerothread 91293 48864 0 0 3 0x14200 aiodoned aiodoned 57463 325234 0 0 3 0x14200 syncer update 91356 151434 0 0 3 0x14200 cleaner cleaner 70228 159124 0 0 3 0x14200 reaper reaper 60384 146993 0 0 3 0x14200 pgdaemon pagedaemon 11559 402184 0 0 3 0x14200 bored viomb 5877 331160 0 0 3 0x40014200 acpi0 acpi0 37399 267496 0 0 3 0x40014200 idle1 61240 256706 0 0 3 0x14200 bored softnet3 19206 279779 0 0 3 0x14200 bored softnet2 78771 14184 0 0 3 0x14200 bored softnet1 4090 467440 0 0 2 0x14200 softnet0 73427 50377 0 0 3 0x14200 bored systqmp 16425 335977 0 0 3 0x14200 bored systq 53367 21445 0 0 3 0x14200 tmoslp softclockmp 94142 245467 0 0 3 0x40014200 tmoslp softclock 91978 471422 0 0 3 0x40014200 idle0 1 495731 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks CPU 1: exclusive mutex &table->inpt_mtx r = 0 (0xffffffff83503c18) #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 91092 (syz-executor) thread 0xffff80002dda7720 (513708) exclusive rwlock netlock r = 0 (0xffffffff834b3450) #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 (0xffffffff835df070) #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 (0xffffffff834f5150) #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 (0xffffffff83503c18) #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 91092 (syz-executor) thread 0xffff80002dda7210 (8548) exclusive rwlock vmmaplk r = 0 (0xfffffd806919fb48) #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 44624 (syz-executor) thread 0xffff800029fe6060 (497817) exclusive rrwlock inode r = 0 (0xfffffd80798762b8) #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 vget+0x2bd sys/kern/vfs_subr.c:676 #6 ufs_ihashget+0x192 sys/ufs/ufs/ufs_ihash.c:98 #7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1201 #8 ufs_lookup+0x19f8 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 #11 namei+0x7aa sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1852 #13 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #13 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8075bf5d58) #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 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1852 #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{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10220 11052K 11059K 166960K 15467 0 pcb 17 32K 36K 166960K 31 0 rtable 240 6K 7K 166960K 50515 0 pf 31 16K 16K 166960K 2821 0 ifaddr 42 23K 31K 166960K 5599 0 ifgroup 50 2K 2K 166960K 5618 0 sysctl 4 1K 5K 166960K 239 0 counters 64 36K 36K 166960K 2842 0 ioctlops 0 0K 2K 166960K 3538 0 iov 0 0K 34K 166960K 10048 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1467 92K 92K 166960K 38465 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 17K 166960K 2029 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 4603 0 dirhash 27 5K 6K 166960K 2550 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 25 90K 157K 166960K 105086 0 sigio 0 0K 0K 166960K 4254 0 proc 58 79K 176K 166960K 48691 0 subproc 104 6K 12K 166960K 19968 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 2 0K 0K 166960K 28638 0 in_multi 99 7K 8K 166960K 19514 0 ether_multi 1 0K 0K 166960K 791 0 mrt 1 0K 0K 166960K 20 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 289 1288K 1288K 166960K 289 0 exec 0 0K 1K 166960K 38621 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 275 75K 131K 166960K 919278 0 UVM aobj 131 6K 7K 166960K 143 0 pinsyscall 45 90K 130K 166960K 145479 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 7962 0 NDP 13 0K 2K 166960K 4179 0 temp 76 6825K 7015K 166960K 627295 0 kqueue 13 20K 40K 166960K 17977 0 SYN cache 2 16K 16K 166960K 2 0 ddb{1}> 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 15672 0 15669 102 101 1 5 0 8 0 rtentry 112 16502 0 16389 13 9 4 4 0 8 0 unpcb 144 107799 0 107783 397 393 4 10 0 8 3 syncache 336 2182 0 2182 35 34 1 1 0 8 1 tcpqe 32 955 0 955 71 70 1 1 0 8 1 tcpcb 808 74021 0 73868 446 424 22 33 0 8 1 arp 120 2849 0 2830 1 0 1 1 0 8 0 ipq 40 528 0 524 6 5 1 1 0 8 0 ipqe 40 11096 0 11092 8 7 1 2 0 8 0 inpcb 336 163296 0 163136 452 432 20 39 0 8 0 ip6q 72 43 0 43 37 37 0 1 0 8 0 ip6af 40 85 0 85 37 37 0 1 0 8 0 nd6 136 5280 0 5254 21 19 2 2 0 8 0 kcovpl 48 1536 0 1528 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 66329 0 65852 216 184 32 33 0 8 0 art_table 32 66330 0 65852 16 11 5 5 0 8 0 art_node 16 16501 0 16398 1 0 1 1 0 8 0 sysvmsgpl 40 7 0 6 1 0 1 1 0 8 0 semapl 112 4574 0 4564 1 0 1 1 0 8 0 shmpl 112 140 0 12 4 0 4 4 0 8 0 dirhash 1024 1737 0 1697 26 20 6 6 0 8 0 dino2pl 256 140338 0 133016 458 0 458 458 0 8 0 ffsino 272 140338 0 133016 490 1 489 489 0 8 0 nchpl 144 259777 0 256496 122 0 122 122 0 8 0 uvmvnodes 80 13734 0 0 281 0 281 281 0 8 0 vnodes 216 13734 0 0 763 0 763 763 0 8 0 namei 1024 1091875 0 1091875 47 46 1 2 0 8 1 percpumem 16 1435 0 1389 1 0 1 1 0 8 0 kstatmem 264 2800 0 2778 2 0 2 2 0 8 0 scxspl 216 883506 0 883506 192 188 4 8 1 8 4 plimitpl 152 34932 0 34906 2 0 2 2 0 8 0 sigapl 424 102987 0 102932 22 15 7 9 0 8 0 futexpl 64 1292620 0 1292613 25 24 1 1 0 8 0 knotepl 120 3213 0 0 33 0 33 33 0 8 0 kqueuepl 216 37979 0 37969 323 320 3 8 0 8 2 pipepl 320 20811 0 20782 243 240 3 11 0 8 0 fdescpl 496 102968 0 102932 25 20 5 7 0 8 0 filepl 152 773945 0 773693 459 443 16 23 0 8 1 lockfpl 104 31908 0 31905 19 18 1 3 0 8 0 lockfspl 48 9102 0 9099 1 0 1 1 0 8 0 sessionpl 144 2089 0 2073 1 0 1 1 0 8 0 pgrppl 48 6329 0 6305 1 0 1 1 0 8 0 ucredpl 104 153666 0 153647 1 0 1 1 0 8 0 zombiepl 144 102934 0 102932 1 0 1 1 0 8 0 processpl 1160 102987 0 102932 15 10 5 6 0 8 0 procpl 648 248009 0 247942 14 7 7 7 0 8 0 srpgc 96 28 0 28 12 12 0 1 0 8 0 sosppl 168 1318 0 1306 23 22 1 1 0 8 0 sockpl 664 289577 0 289384 731 703 28 41 0 8 3 mcl64k 65536 172 0 0 8 2 6 7 0 8 0 mcl16k 16384 8 0 0 1 0 1 1 0 8 0 mcl12k 12288 8 0 0 1 0 1 1 0 8 0 mcl9k 9216 4 0 0 1 0 1 1 0 8 0 mcl8k 8192 29 0 0 4 1 3 3 0 8 0 mcl4k 4096 318 0 0 18 6 12 18 0 8 0 mcl2k2 2112 6 0 0 1 0 1 1 0 8 0 mcl2k 2048 1076 0 0 16 9 7 9 0 8 0 mtagpl 96 18 0 0 1 0 1 1 0 8 0 mbufpl 256 10222 0 0 560 0 560 560 0 8 0 bufpl 280 175863 0 162129 982 0 982 982 0 8 0 anonpl 24 12076806 0 12062674 853 742 111 151 0 185 1 amapchunkpl 152 3032893 0 3032107 738 702 36 49 0 158 0 amappl16 200 287321 0 286837 1084 1045 39 56 0 8 8 amappl15 192 69 0 68 23 22 1 1 0 8 0 amappl14 184 4301 0 4290 1 0 1 1 0 8 0 amappl13 176 87 0 87 60 59 1 1 0 8 1 amappl12 168 126449 0 126412 6 3 3 3 0 8 0 amappl11 160 58 0 47 1 0 1 1 0 8 0 amappl10 152 15 0 14 2 1 1 1 0 8 0 amappl9 144 155 0 154 2 1 1 1 0 8 0 amappl8 136 33 0 31 1 0 1 1 0 8 0 amappl7 128 3603 0 3591 1 0 1 1 0 8 0 amappl6 120 14007 0 14004 1 0 1 1 0 8 0 amappl5 112 6384 0 6374 1 0 1 1 0 8 0 amappl4 104 7268 0 7250 1 0 1 1 0 8 0 amappl3 96 622125 0 621987 16 11 5 5 0 8 0 amappl2 88 28390 0 28325 6 3 3 3 0 8 0 amappl1 80 580464 0 579937 72 52 20 25 0 8 0 amappl 88 897095 0 896874 8 2 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 72 142 0 12 3 0 3 3 0 8 0 uaddrrnd 24 102968 0 102932 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 102968 0 102932 1 0 1 1 0 8 0 vmmpekpl 168 868349 0 868278 8 3 5 5 0 8 0 vmmpepl 168 6541162 0 6538700 842 710 132 164 0 357 3 vmsppl 440 102967 0 102932 12 7 5 6 0 8 0 rwobjpl 56 1633527 0 1618312 295 75 220 221 0 8 0 pdppl 4096 205943 0 205864 2376 2291 85 115 0 8 6 pvpl 32 46347 0 0 366 1 365 365 0 265 0 pmappl 248 102967 0 102932 12 9 3 4 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 5157 0 3452 49 0 49 49 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83456ff0) 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 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x1a kd_curproc sys/dev/kcov.c:585 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x1a sys/dev/kcov.c:158 __mp_lock(ffffffff835dee68) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835dee68) at __mp_lock+0x1a3 sys/kern/kern_lock.c:144 softintr_dispatch(0) at softintr_dispatch+0x5b sys/arch/amd64/amd64/softintr.c:88 Xsoftclock() at Xsoftclock+0x27 end of kernel end trace frame: 0x705835c56470, count: 8 ddb{0}> trace x86_ipi_db(ffffffff83456ff0) 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 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x1a kd_curproc sys/dev/kcov.c:585 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x1a sys/dev/kcov.c:158 __mp_lock(ffffffff835dee68) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835dee68) at __mp_lock+0x1a3 sys/kern/kern_lock.c:144 softintr_dispatch(0) at softintr_dispatch+0x5b sys/arch/amd64/amd64/softintr.c:88 Xsoftclock() at Xsoftclock+0x27 end of kernel end trace frame: 0x705835c56470, count: -7 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x25: addq $0x8,%rsp db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff83070976) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(fffffd806919fb48,1,0) at witness_checkorder+0x1113 sys/kern/subr_witness.c:843 rw_enter(fffffd806919fb38,2) at rw_enter+0x122 uvmfault_lookup(ffff800037025300,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff800037025300,ffff800037025338,ffff800037025360) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(fffffd806919fa58,20000000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff8000370254a0,2000012c) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff8000370254a0) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x62 kern_sysctl(ffff800037025824,5,20000100,ffff800037025858,0,37,5e705a21bfb97eb7) at kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 sys_sysctl(ffff80002dda7720,ffff800037025990,ffff8000370258e0) at sys_sysctl+0x422 syscall(ffff800037025990) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800037025990) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 end trace frame: 0xffff800037025a10, count: 0 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff83070976) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(fffffd806919fb48,1,0) at witness_checkorder+0x1113 sys/kern/subr_witness.c:843 rw_enter(fffffd806919fb38,2) at rw_enter+0x122 uvmfault_lookup(ffff800037025300,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff800037025300,ffff800037025338,ffff800037025360) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(fffffd806919fa58,20000000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff8000370254a0,2000012c) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff8000370254a0) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x62 kern_sysctl(ffff800037025824,5,20000100,ffff800037025858,0,37,5e705a21bfb97eb7) at kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 sys_sysctl(ffff80002dda7720,ffff800037025990,ffff8000370258e0) at sys_sysctl+0x422 syscall(ffff800037025990) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800037025990) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x36b74ee7af0, count: -15