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 *102741 28266 32767 0x10 0x4000000 1 syz-executor 155696 28266 32767 0x10 0x4000000 0 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830705b6) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(fffffd807241a0f0,1,0) at witness_checkorder+0x1113 sys/kern/subr_witness.c:843 rw_enter(fffffd807241a0e0,2) at rw_enter+0x122 uvmfault_lookup(ffff800030c54ae0,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff800030c54ae0,ffff800030c54b18,ffff800030c54b40) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(fffffd807241a000,20000000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff800030c54c80,20000254) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff800030c54c80) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x62 kern_sysctl(ffff800030c55004,5,20000100,ffff800030c55038,0,37,6f95696895a64651) at kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 sys_sysctl(ffff80002ef8e5b0,ffff800030c55170,ffff800030c550c0) at sys_sysctl+0x422 syscall(ffff800030c55170) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800030c55170) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 end trace frame: 0xffff800030c551f0, 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(ffffffff830705b6) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(fffffd807241a0f0,1,0) at witness_checkorder+0x1113 sys/kern/subr_witness.c:843 rw_enter(fffffd807241a0e0,2) at rw_enter+0x122 uvmfault_lookup(ffff800030c54ae0,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff800030c54ae0,ffff800030c54b18,ffff800030c54b40) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(fffffd807241a000,20000000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff800030c54c80,20000254) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff800030c54c80) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x62 kern_sysctl(ffff800030c55004,5,20000100,ffff800030c55038,0,37,6f95696895a64651) at kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 sys_sysctl(ffff80002ef8e5b0,ffff800030c55170,ffff800030c550c0) at sys_sysctl+0x422 syscall(ffff800030c55170) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800030c55170) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x12d08610710, count: -15 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff800030c546e0 rbx 0xffff800029b7cdcf rdx 0 rcx 0xffff80002ef8e5b0 rax 0xffff800029b7bff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x790e3e582dff81cb r11 0xbce1012d9ca81a57 r12 0xffff800029b7cbd0 r13 0 r14 0 r15 0x1 rip 0xffffffff817d0ff5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff800030c546d0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=102741 pid=28266 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=0xffff80002ef8f258,0xffff80002ef8efe0 process=0xffff8000371cd6c8 user=0xffff800030c50000, vmspace=0xfffffd807241a000 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 28266 489751 96133 32767 2 0x10 syz-executor *28266 102741 96133 32767 7 0x4000010 syz-executor 28266 155696 96133 32767 7 0x4000010 syz-executor 28266 447358 96133 32767 3 0x4000090 fsleep syz-executor 39433 379696 95006 32767 2 0x10 syz-executor 39433 401504 95006 32767 3 0x4000090 sbwait syz-executor 87076 339572 90386 0 3 0x2 clonelk ifconfig 90386 307458 16300 0 3 0x10008a sigsusp sh 16300 200167 82313 0 3 0x80 wait syz-executor 82313 22962 32585 0 3 0x82 wait syz-executor 27218 15676 38744 32767 3 0x90 nanoslp syz-executor 27218 442809 38744 32767 3 0x4000090 fsleep syz-executor 27218 264987 38744 32767 3 0x4000090 kqsel syz-executor 96133 212821 81067 32767 3 0x90 nanoslp syz-executor 81067 491927 32585 0 3 0x82 wait syz-executor 98601 379965 32585 0 3 0x82 wait syz-executor 88160 137558 85165 32767 3 0x90 wait syz-executor 85165 64767 32585 0 3 0x82 wait syz-executor 95142 313231 22867 0 3 0x82 netio sshd-session 73861 341570 77391 32767 3 0x10 biowait syz-executor 77391 400843 32585 0 3 0x82 wait syz-executor 38744 145021 31430 32767 3 0x90 nanoslp syz-executor 31430 347059 32585 0 3 0x82 wait syz-executor 31952 154179 22867 0 3 0x82 netio sshd-session 59060 300148 43200 32767 3 0x90 nanoslp syz-executor 43200 390440 32585 0 3 0x82 wait syz-executor 95006 292588 9282 32767 3 0x90 nanoslp syz-executor 9282 454421 32585 0 3 0x82 wait syz-executor 43947 475459 22867 0 3 0x82 netio sshd-session 64516 336424 6707 0 3 0x100082 sbwait arp 6707 522417 43956 0 3 0x10008a sigsusp sh 43956 244694 1 0 3 0x80 wait syz-executor 86278 331456 0 0 3 0x14200 bored sosplice 32585 22380 64969 0 2 0x2 syz-executor 64969 339740 9767 0 3 0x10008a sigsusp ksh 9767 36528 1818 0 3 0x98 kqread sshd-session 1818 368848 22867 0 3 0x92 kqread sshd-session 5840 320896 1 0 3 0x100083 ttyin getty 22867 198803 1 0 3 0x88 kqread sshd 4665 83714 23709 73 3 0x1100090 kqread syslogd 23709 495563 1 0 3 0x100082 sbwait syslogd 41506 371103 1 0 3 0x100080 kqread resolvd 3689 117108 49045 77 3 0x100092 kqread dhcpleased 76580 215153 49045 77 3 0x100092 kqread dhcpleased 49045 314198 1 0 3 0x80 kqread dhcpleased 57579 309714 0 0 3 0x14200 bored smr 5161 148117 0 0 2 0x14200 zerothread 76914 241403 0 0 3 0x14200 aiodoned aiodoned 34878 1750 0 0 3 0x14200 syncer update 72117 343747 0 0 3 0x14200 cleaner cleaner 62607 480073 0 0 3 0x14200 reaper reaper 88164 396218 0 0 3 0x14200 pgdaemon pagedaemon 44051 69439 0 0 3 0x14200 bored viomb 35706 222260 0 0 3 0x40014200 acpi0 acpi0 96347 484480 0 0 3 0x40014200 idle1 38435 54101 0 0 3 0x14200 bored softnet3 18043 392797 0 0 3 0x14200 bored softnet2 70255 268895 0 0 3 0x14200 bored softnet1 27514 7200 0 0 3 0x14200 bored softnet0 87307 349790 0 0 3 0x14200 bored systqmp 84674 318426 0 0 3 0x14200 bored systq 16605 121447 0 0 3 0x14200 tmoslp softclockmp 32665 475376 0 0 3 0x40014200 tmoslp softclock 39490 444354 0 0 3 0x40014200 idle0 1 191114 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 (0xffffffff835c81a8) #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 28266 (syz-executor) thread 0xffff80002ef8e5b0 (102741) exclusive rwlock netlock r = 0 (0xffffffff8347dca0) #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 (0xffffffff835efa18) #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 (0xffffffff834b3f10) #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 (0xffffffff835c81a8) #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 28266 (syz-executor) thread 0xffff80002ef8efd0 (155696) exclusive rwlock vmmaplk r = 0 (0xfffffd807241a0f0) #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 73861 (syz-executor) thread 0xffff80002ef7a330 (341570) exclusive rrwlock inode r = 0 (0xfffffd805f6dc4e0) #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 (0xfffffd8060ccae70) #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 10241 11053K 11059K 166960K 15065 0 pcb 17 28K 32K 166960K 29 0 rtable 220 6K 7K 166960K 46863 0 pf 29 16K 16K 166960K 2540 0 ifaddr 38 22K 31K 166960K 5041 0 ifgroup 46 2K 2K 166960K 5053 0 sysctl 4 1K 5K 166960K 133 0 counters 62 36K 36K 166960K 2558 0 ioctlops 0 0K 2K 166960K 3241 0 iov 0 0K 34K 166960K 36770 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1469 92K 92K 166960K 36698 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 13K 166960K 1917 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 4633 0 dirhash 24 4K 5K 166960K 2625 0 ACPI 1690 195K 286K 166960K 12418 0 file desc 29 106K 165K 166960K 102274 0 sigio 0 0K 0K 166960K 3802 0 proc 68 103K 176K 166960K 44624 0 subproc 117 7K 13K 166960K 18200 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 24472 0 in_multi 88 6K 7K 166960K 17878 0 ether_multi 1 0K 0K 166960K 558 0 mrt 1 0K 0K 166960K 15 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 36041 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 295 85K 140K 166960K 903352 0 UVM aobj 132 6K 8K 166960K 153 0 pinsyscall 56 112K 134K 166960K 139255 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 7680 0 NDP 10 0K 2K 166960K 3763 0 temp 81 6825K 6953K 166960K 749414 0 kqueue 14 20K 36K 166960K 18183 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 17557 0 17553 132 129 3 5 0 8 2 rtentry 112 14983 0 14880 19 15 4 4 0 8 0 unpcb 144 109399 0 109382 439 433 6 10 0 8 5 syncache 336 2009 0 2009 37 36 1 1 0 8 1 tcpqe 32 938 0 938 75 74 1 1 0 8 1 tcpcb 808 70364 0 70208 424 407 17 37 0 8 0 arp 120 2576 0 2559 1 0 1 1 0 8 0 ipq 40 719 0 713 7 6 1 1 0 8 0 ipqe 40 17908 0 17902 8 7 1 2 0 8 0 inpcb 336 160856 0 160695 478 461 17 33 0 8 1 ip6q 72 27 0 27 23 23 0 1 0 8 0 ip6af 40 54 0 54 23 23 0 1 0 8 0 nd6 136 4866 0 4842 24 22 2 2 0 8 0 kcovpl 48 1400 0 1391 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 61557 0 61134 275 243 32 34 0 8 0 art_table 32 61558 0 61134 18 13 5 5 0 8 0 art_node 16 14982 0 14888 1 0 1 1 0 8 0 sysvmsgpl 40 20 0 12 4 3 1 1 0 8 0 semupl 112 2 0 2 2 2 0 1 0 8 0 semapl 112 4628 0 4618 1 0 1 1 0 8 0 shmpl 112 150 0 22 4 0 4 4 0 8 0 dirhash 1024 1787 0 1749 55 49 6 6 0 8 1 dino2pl 256 138491 0 131881 416 2 414 414 0 8 0 ffsino 272 138491 0 131881 441 0 441 441 0 8 0 nchpl 144 256706 0 253492 123 3 120 120 0 8 0 uvmvnodes 80 13141 0 0 269 0 269 269 0 8 0 vnodes 216 13141 0 0 731 0 731 731 0 8 0 namei 1024 1074598 0 1074598 51 50 1 2 0 8 1 percpumem 16 1293 0 1248 1 0 1 1 0 8 0 kstatmem 264 2516 0 2496 3 1 2 2 0 8 0 scxspl 216 920608 0 920607 228 224 4 8 1 8 3 plimitpl 152 36163 0 36137 3 1 2 2 0 8 0 sigapl 424 100483 0 100421 23 15 8 9 0 8 0 futexpl 64 1286550 0 1286548 28 27 1 1 0 8 0 knotepl 120 3422 0 0 25 0 25 25 0 8 0 kqueuepl 216 40504 0 40429 326 321 5 8 0 8 0 pipepl 320 22022 0 21989 241 235 6 11 0 8 2 fdescpl 496 100464 0 100421 30 24 6 7 0 8 0 filepl 152 770711 0 770306 472 451 21 23 0 8 5 lockfpl 104 30539 0 30537 13 12 1 2 0 8 0 lockfspl 48 8876 0 8874 1 0 1 1 0 8 0 sessionpl 144 1988 0 1968 1 0 1 1 0 8 0 pgrppl 48 5745 0 5717 1 0 1 1 0 8 0 ucredpl 104 153717 0 153699 1 0 1 1 0 8 0 zombiepl 144 100424 0 100421 1 0 1 1 0 8 0 processpl 1160 100483 0 100421 9 4 5 6 0 8 0 procpl 648 245589 0 245521 24 17 7 8 0 8 0 srpgc 96 42 0 42 18 18 0 1 0 8 0 sosppl 168 1366 0 1354 12 11 1 1 0 8 0 sockpl 664 290384 0 290189 824 801 23 37 0 8 3 mcl64k 65536 117 0 0 6 1 5 5 0 8 0 mcl16k 16384 24 0 0 3 0 3 3 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 26 0 0 3 0 3 3 0 8 0 mcl4k 4096 342 0 0 18 6 12 18 0 8 0 mcl2k2 2112 18 0 0 2 0 2 2 0 8 0 mcl2k 2048 1195 0 0 24 14 10 11 0 8 0 mtagpl 96 74 0 0 2 0 2 2 0 8 0 mbufpl 256 10110 0 0 559 1 558 558 0 8 0 bufpl 280 175463 0 162321 939 0 939 939 0 8 0 anonpl 24 11986527 0 11969454 818 663 155 155 0 185 15 amapchunkpl 152 2957765 0 2956978 837 787 50 53 0 158 11 amappl16 200 288133 0 287536 680 623 57 58 0 8 7 amappl15 192 27 0 27 12 12 0 1 0 8 0 amappl14 184 4103 0 4089 1 0 1 1 0 8 0 amappl13 176 88 0 87 1 0 1 1 0 8 0 amappl12 168 121705 0 121661 8 5 3 3 0 8 0 amappl11 160 80 0 69 1 0 1 1 0 8 0 amappl10 152 15 0 14 2 1 1 1 0 8 0 amappl9 144 180 0 178 1 0 1 1 0 8 0 amappl8 136 21 0 19 1 0 1 1 0 8 0 amappl7 128 3538 0 3522 1 0 1 1 0 8 0 amappl6 120 12616 0 12611 1 0 1 1 0 8 0 amappl5 112 5837 0 5822 1 0 1 1 0 8 0 amappl4 104 6973 0 6956 1 0 1 1 0 8 0 amappl3 96 613043 0 612913 9 4 5 5 0 8 0 amappl2 88 27012 0 26921 8 5 3 3 0 8 0 amappl1 80 570678 0 569851 71 50 21 25 0 8 0 amappl 88 881989 0 881770 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 72 152 0 21 3 0 3 3 0 8 0 uaddrrnd 24 100464 0 100421 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 100464 0 100421 1 0 1 1 0 8 0 vmmpekpl 168 863830 0 863770 5 1 4 5 0 8 0 vmmpepl 168 6601002 0 6597945 934 749 185 185 0 357 25 vmsppl 440 100463 0 100421 13 7 6 7 0 8 0 rwobjpl 56 1607025 0 1591938 304 84 220 220 0 8 0 pdppl 4096 200935 0 200842 2442 2347 95 117 0 8 2 pvpl 32 50068 0 0 398 2 396 396 0 265 0 pmappl 248 100463 0 100421 16 12 4 4 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 5236 0 3619 47 0 47 47 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff834ccff0) 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(ffffffff835ef810) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835ef810) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff8000365c7a30,ffff800000079f80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff835ef810) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835ef810) at __mp_lock+0x192 sys/kern/kern_lock.c:144 syscall(ffff8000365c7c00) at syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000365c7c00) at syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x12c66644910, count: 6 ddb{0}> trace x86_ipi_db(ffffffff834ccff0) 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(ffffffff835ef810) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835ef810) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff8000365c7a30,ffff800000079f80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff835ef810) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835ef810) at __mp_lock+0x192 sys/kern/kern_lock.c:144 syscall(ffff8000365c7c00) at syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000365c7c00) at syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x12c66644910, count: -9 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(ffffffff830705b6) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(fffffd807241a0f0,1,0) at witness_checkorder+0x1113 sys/kern/subr_witness.c:843 rw_enter(fffffd807241a0e0,2) at rw_enter+0x122 uvmfault_lookup(ffff800030c54ae0,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff800030c54ae0,ffff800030c54b18,ffff800030c54b40) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(fffffd807241a000,20000000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff800030c54c80,20000254) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff800030c54c80) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x62 kern_sysctl(ffff800030c55004,5,20000100,ffff800030c55038,0,37,6f95696895a64651) at kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 sys_sysctl(ffff80002ef8e5b0,ffff800030c55170,ffff800030c550c0) at sys_sysctl+0x422 syscall(ffff800030c55170) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800030c55170) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 end trace frame: 0xffff800030c551f0, count: 0 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830705b6) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(fffffd807241a0f0,1,0) at witness_checkorder+0x1113 sys/kern/subr_witness.c:843 rw_enter(fffffd807241a0e0,2) at rw_enter+0x122 uvmfault_lookup(ffff800030c54ae0,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff800030c54ae0,ffff800030c54b18,ffff800030c54b40) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(fffffd807241a000,20000000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff800030c54c80,20000254) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff800030c54c80) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x62 kern_sysctl(ffff800030c55004,5,20000100,ffff800030c55038,0,37,6f95696895a64651) at kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 sys_sysctl(ffff80002ef8e5b0,ffff800030c55170,ffff800030c550c0) at sys_sysctl+0x422 syscall(ffff800030c55170) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800030c55170) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x12d08610710, count: -15