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 *477575 46297 32767 0x10 0x4000000 1 syz-executor 94862 46297 32767 0x10 0x4000000 0 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff83075318) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(fffffd806cdc42b8,1,0) at witness_checkorder+0x1113 sys/kern/subr_witness.c:843 rw_enter(fffffd806cdc42a8,2) at rw_enter+0x122 uvmfault_lookup(ffff80003a42b500,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff80003a42b500,ffff80003a42b538,ffff80003a42b560) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(fffffd806cdc41c8,20000000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff80003a42b6a0,20000158) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff80003a42b6a0) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x62 kern_sysctl(ffff80003a42ba24,5,20000100,ffff80003a42ba58,0,37,e0d91737a598cd6d) at kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 sys_sysctl(ffff800032593720,ffff80003a42bb90,ffff80003a42bae0) at sys_sysctl+0x422 syscall(ffff80003a42bb90) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80003a42bb90) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 end trace frame: 0xffff80003a42bc10, 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(ffffffff83075318) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(fffffd806cdc42b8,1,0) at witness_checkorder+0x1113 sys/kern/subr_witness.c:843 rw_enter(fffffd806cdc42a8,2) at rw_enter+0x122 uvmfault_lookup(ffff80003a42b500,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff80003a42b500,ffff80003a42b538,ffff80003a42b560) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(fffffd806cdc41c8,20000000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff80003a42b6a0,20000158) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff80003a42b6a0) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x62 kern_sysctl(ffff80003a42ba24,5,20000100,ffff80003a42ba58,0,37,e0d91737a598cd6d) at kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 sys_sysctl(ffff800032593720,ffff80003a42bb90,ffff80003a42bae0) at sys_sysctl+0x422 syscall(ffff80003a42bb90) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80003a42bb90) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x23d57849ca0, count: -15 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80003a42b100 rbx 0xffff800029b7cd87 rdx 0 rcx 0xffff800032593720 rax 0xffff800029b7bff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xd922829dbec9e417 r11 0xe151096f1b61d74b r12 0xffff800029b7cb88 r13 0 r14 0 r15 0x1 rip 0xffffffff82dedd95 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003a42b0f0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=477575 pid=46297 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=0xffff800032593498,0xffff800032590580 process=0xffff80003a439b48 user=0xffff80003a426000, vmspace=0xfffffd806cdc41c8 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 46297 478084 48070 32767 2 0x10 syz-executor *46297 477575 48070 32767 7 0x4000010 syz-executor 46297 94862 48070 32767 7 0x4000010 syz-executor 46297 244338 48070 32767 3 0x4000090 fsleep syz-executor 92694 371932 13829 32767 2 0x10 syz-executor 92694 56203 13829 32767 3 0x4000090 pipewr syz-executor 92694 188281 13829 32767 3 0x4000090 kqread syz-executor 18145 407244 80577 32767 3 0x90 nanoslp syz-executor 18145 494242 80577 32767 2 0x4000010 syz-executor 18145 419965 80577 32767 3 0x4000090 fsleep syz-executor 41824 180163 63296 32767 2 0x10 syz-executor 41824 236096 63296 32767 3 0x4000090 fsleep syz-executor 41824 338187 63296 32767 3 0x4000090 fsleep syz-executor 99997 233943 71253 32767 3 0x90 nanoslp syz-executor 99997 477727 71253 32767 3 0x4000090 fsleep syz-executor 99997 392835 71253 32767 3 0x4000090 ttyout syz-executor 99997 347934 71253 32767 3 0x4000090 ttyout syz-executor 99997 51261 71253 32767 3 0x4000090 fsleep syz-executor 13829 170012 87252 32767 3 0x90 nanoslp syz-executor 87252 326324 93949 0 3 0x82 wait syz-executor 71253 388963 87236 32767 3 0x90 nanoslp syz-executor 87236 320048 93949 0 3 0x82 wait syz-executor 63296 125967 67012 32767 3 0x90 nanoslp syz-executor 67012 161474 93949 0 3 0x82 wait syz-executor 85870 411676 26391 32767 3 0x90 wait syz-executor 26391 500477 93949 0 3 0x82 wait syz-executor 80577 177887 92906 32767 3 0x90 nanoslp syz-executor 92906 25612 93949 0 3 0x82 wait syz-executor 76440 121115 34004 32767 3 0x90 wait syz-executor 34004 118116 93949 0 3 0x82 wait syz-executor 12840 307398 12704 32767 3 0x10 biowait syz-executor 12704 2863 93949 0 3 0x82 wait syz-executor 48070 518498 34751 32767 3 0x90 nanoslp syz-executor 34751 8114 93949 0 3 0x82 wait syz-executor 89945 198246 61153 0 3 0x82 netio sshd-session 63175 234533 61153 0 3 0x82 netio sshd-session 76385 355933 61153 0 3 0x82 netio sshd-session 63013 78626 5520 0 3 0x100082 sbwait ndp 5520 391149 19923 0 3 0x10008a sigsusp sh 19923 109725 1 0 3 0x80 wait syz-executor 71609 229194 0 0 3 0x14200 bored sosplice 93949 394655 36007 0 3 0x82 kqread syz-executor 36007 359597 52066 0 3 0x10008a sigsusp ksh 52066 468969 14110 0 3 0x98 kqread sshd-session 14110 79931 61153 0 3 0x92 kqread sshd-session 65951 390296 1 0 3 0x100083 ttyin getty 61153 402889 1 0 3 0x88 kqread sshd 49977 342709 69731 73 3 0x1100090 kqread syslogd 69731 185396 1 0 3 0x100082 sbwait syslogd 50826 517659 1 0 3 0x100080 kqread resolvd 43551 450057 92381 77 3 0x100092 kqread dhcpleased 31775 508572 92381 77 3 0x100092 kqread dhcpleased 92381 431546 1 0 3 0x80 kqread dhcpleased 73354 41924 0 0 3 0x14200 bored smr 54157 335383 0 0 2 0x14200 zerothread 17722 522154 0 0 3 0x14200 aiodoned aiodoned 3446 295049 0 0 3 0x14200 syncer update 80836 2199 0 0 3 0x14200 cleaner cleaner 42689 319157 0 0 3 0x14200 reaper reaper 49985 418226 0 0 3 0x14200 pgdaemon pagedaemon 85091 212095 0 0 3 0x14200 bored viomb 80510 255611 0 0 3 0x40014200 acpi0 acpi0 27306 461525 0 0 3 0x40014200 idle1 41940 138090 0 0 3 0x14200 bored softnet3 74832 197825 0 0 3 0x14200 bored softnet2 54821 229162 0 0 3 0x14200 bored softnet1 51706 190164 0 0 3 0x14200 bored softnet0 64078 281544 0 0 3 0x14200 bored systqmp 17279 112616 0 0 3 0x14200 bored systq 59880 212949 0 0 3 0x14200 tmoslp softclockmp 40547 436850 0 0 3 0x40014200 tmoslp softclock 9316 91108 0 0 3 0x40014200 idle0 1 80920 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 (0xffffffff835fd158) #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 46297 (syz-executor) thread 0xffff800032593720 (477575) exclusive rwlock netlock r = 0 (0xffffffff834c9900) #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 (0xffffffff83574bb0) #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 (0xffffffff834f1770) #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 (0xffffffff835fd158) #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 46297 (syz-executor) thread 0xffff800032590570 (94862) exclusive rwlock vmmaplk r = 0 (0xfffffd806cdc42b8) #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 12840 (syz-executor) thread 0xffff800032592d00 (307398) exclusive rrwlock inode r = 0 (0xfffffd80655ffe68) #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 (0xfffffd80655ffa28) #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{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10236 14126K 14131K 166960K 12642 0 pcb 17 18K 20K 166960K 23 0 rtable 246 7K 7K 166960K 15358 0 pf 31 16K 16K 166960K 925 0 ifaddr 42 11K 11K 166960K 1819 0 ifgroup 50 2K 2K 166960K 1828 0 sysctl 4 1K 5K 166960K 93 0 counters 64 36K 36K 166960K 948 0 ioctlops 0 0K 2K 166960K 1132 0 iov 0 0K 20K 166960K 1656 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1482 93K 93K 166960K 11499 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 370 0 VM map 2 1K 1K 166960K 2 0 sem 12 1K 1K 166960K 416 0 dirhash 15 2K 4K 166960K 447 0 ACPI 1690 195K 286K 166960K 12418 0 file desc 28 105K 169K 166960K 23329 0 sigio 0 0K 0K 166960K 600 0 proc 58 79K 176K 166960K 14525 0 subproc 117 7K 13K 166960K 6435 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 6003 0 in_multi 99 7K 7K 166960K 5835 0 ether_multi 1 0K 0K 166960K 168 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 355 1579K 1579K 166960K 355 0 exec 0 0K 1K 166960K 9132 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 325 85K 147K 166960K 194691 0 UVM aobj 131 4K 6K 166960K 149 0 pinsyscall 56 112K 146K 166960K 36687 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 1549 0 NDP 13 0K 2K 166960K 1350 0 temp 82 6825K 6952K 166960K 138473 0 kqueue 13 20K 38K 166960K 3389 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 4059 0 4055 32 30 2 5 0 8 1 rtentry 112 5195 0 5079 14 10 4 4 0 8 0 unpcb 144 22298 0 22278 110 106 4 11 0 8 3 syncache 336 338 0 338 25 24 1 1 0 8 1 tcpqe 32 134 0 134 29 29 0 1 0 8 0 tcpcb 808 13636 0 13525 134 122 12 22 0 8 0 arp 120 918 0 899 1 0 1 1 0 8 0 ipq 40 137 0 128 5 4 1 1 0 8 0 ipqe 40 1359 0 1350 5 4 1 1 0 8 0 inpcb 336 32107 0 31990 158 148 10 24 0 8 0 ip6q 72 1 0 1 1 1 0 1 0 8 0 ip6af 40 2 0 2 1 1 0 1 0 8 0 nd6 136 1562 0 1533 7 5 2 2 0 8 0 kcovpl 48 495 0 486 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 21205 0 20732 166 135 31 34 0 8 0 art_table 32 21206 0 20732 9 5 4 5 0 8 0 art_node 16 5194 0 5088 1 0 1 1 0 8 0 sysvmsgpl 40 14 0 12 1 0 1 1 0 8 0 semapl 112 414 0 404 1 0 1 1 0 8 0 shmpl 112 146 0 18 4 0 4 4 0 8 0 dirhash 1024 314 0 291 6 2 4 4 0 8 1 dino2pl 256 28954 0 26018 184 0 184 184 0 8 0 ffsino 272 28954 0 26018 196 0 196 196 0 8 0 nchpl 144 52230 0 49473 104 1 103 103 0 8 0 uvmvnodes 80 10013 0 0 205 0 205 205 0 8 0 vnodes 216 10013 0 0 557 0 557 557 0 8 0 namei 1024 238835 0 238834 48 47 1 2 0 8 0 percpumem 16 488 0 442 1 0 1 1 0 8 0 kstatmem 264 906 0 884 3 1 2 2 0 8 0 scxspl 216 266213 0 266212 75 71 4 8 1 8 3 plimitpl 152 7613 0 7587 2 0 2 2 0 8 0 sigapl 424 22810 0 22748 21 13 8 9 0 8 0 futexpl 64 249299 0 249293 24 23 1 1 0 8 0 knotepl 120 1615 0 0 25 0 25 25 0 8 0 kqueuepl 216 7310 0 7300 60 59 1 6 0 8 0 pipepl 320 4530 0 4496 49 44 5 9 0 8 1 fdescpl 496 22791 0 22748 31 25 6 8 0 8 0 filepl 152 162617 0 162260 126 111 15 24 0 8 0 lockfpl 104 5812 0 5809 3 2 1 2 0 8 0 lockfspl 48 1741 0 1738 1 0 1 1 0 8 0 sessionpl 144 641 0 621 2 0 2 2 0 8 0 pgrppl 48 1631 0 1603 1 0 1 1 0 8 0 ucredpl 104 32622 0 32603 1 0 1 1 0 8 0 zombiepl 144 22750 0 22748 1 0 1 1 0 8 0 processpl 1160 22810 0 22748 9 3 6 6 0 8 0 procpl 648 51006 0 50931 13 5 8 8 0 8 0 srpgc 96 37 0 37 14 14 0 1 0 8 0 sosppl 168 271 0 271 17 16 1 1 0 8 1 sockpl 664 58845 0 58704 291 277 14 29 0 8 2 mcl64k 65536 41 0 0 3 0 3 3 0 8 0 mcl16k 16384 6 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 17 0 0 3 0 3 3 0 8 0 mcl4k 4096 5 0 0 1 0 1 1 0 8 0 mcl2k2 2112 21 0 0 2 0 2 2 0 8 0 mcl2k 2048 578 0 0 28 5 23 28 0 8 1 mtagpl 96 17 0 0 1 0 1 1 0 8 0 mbufpl 256 7285 0 0 419 1 418 418 0 8 0 bufpl 280 40497 0 30475 716 0 716 716 0 8 0 anonpl 24 2811657 0 2806073 279 220 59 86 0 185 1 amapchunkpl 152 637552 0 636789 203 161 42 47 0 158 10 amappl16 200 61964 0 61946 422 410 12 28 0 8 8 amappl15 192 16 0 16 6 6 0 1 0 8 0 amappl14 184 1363 0 1348 1 0 1 1 0 8 0 amappl13 176 41 0 41 19 19 0 1 0 8 0 amappl12 168 30650 0 30606 4 1 3 3 0 8 0 amappl11 160 64 0 54 1 0 1 1 0 8 0 amappl10 152 6 0 4 1 0 1 1 0 8 0 amappl9 144 135 0 133 1 0 1 1 0 8 0 amappl8 136 22 0 20 1 0 1 1 0 8 0 amappl7 128 1164 0 1148 1 0 1 1 0 8 0 amappl6 120 4566 0 4563 1 0 1 1 0 8 0 amappl5 112 2075 0 2062 1 0 1 1 0 8 0 amappl4 104 2324 0 2306 1 0 1 1 0 8 0 amappl3 96 128354 0 128195 9 4 5 5 0 8 0 amappl2 88 8927 0 8838 3 0 3 3 0 8 0 amappl1 80 148963 0 148132 32 11 21 22 0 8 0 amappl 88 188679 0 188430 7 1 6 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 72 148 0 18 3 0 3 3 0 8 0 uaddrrnd 24 22792 0 22749 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 22792 0 22749 1 0 1 1 0 8 0 vmmpekpl 168 196637 0 196581 9 5 4 5 0 8 0 vmmpepl 168 1408267 0 1405695 325 194 131 132 0 357 9 vmsppl 440 22791 0 22749 22 16 6 7 0 8 0 rwobjpl 56 385511 0 374097 195 29 166 166 0 8 1 pdppl 4096 45591 0 45498 1224 1127 97 125 0 8 4 pvpl 32 47215 0 0 379 2 377 377 0 265 0 pmappl 248 22791 0 22749 6 3 3 4 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 2600 0 1613 29 0 29 29 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff834bbff0) 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(ffffffff835749a8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835749a8) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff800037fef2c0,ffff800000079f80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff835749a8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835749a8) at __mp_lock+0x192 sys/kern/kern_lock.c:144 syscall(ffff800037fef490) at syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800037fef490) at syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x23dbde2aca0, count: 6 ddb{0}> trace x86_ipi_db(ffffffff834bbff0) 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(ffffffff835749a8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835749a8) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff800037fef2c0,ffff800000079f80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff835749a8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835749a8) at __mp_lock+0x192 sys/kern/kern_lock.c:144 syscall(ffff800037fef490) at syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800037fef490) at syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x23dbde2aca0, 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(ffffffff83075318) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(fffffd806cdc42b8,1,0) at witness_checkorder+0x1113 sys/kern/subr_witness.c:843 rw_enter(fffffd806cdc42a8,2) at rw_enter+0x122 uvmfault_lookup(ffff80003a42b500,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff80003a42b500,ffff80003a42b538,ffff80003a42b560) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(fffffd806cdc41c8,20000000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff80003a42b6a0,20000158) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff80003a42b6a0) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x62 kern_sysctl(ffff80003a42ba24,5,20000100,ffff80003a42ba58,0,37,e0d91737a598cd6d) at kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 sys_sysctl(ffff800032593720,ffff80003a42bb90,ffff80003a42bae0) at sys_sysctl+0x422 syscall(ffff80003a42bb90) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80003a42bb90) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 end trace frame: 0xffff80003a42bc10, count: 0 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff83075318) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(fffffd806cdc42b8,1,0) at witness_checkorder+0x1113 sys/kern/subr_witness.c:843 rw_enter(fffffd806cdc42a8,2) at rw_enter+0x122 uvmfault_lookup(ffff80003a42b500,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff80003a42b500,ffff80003a42b538,ffff80003a42b560) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(fffffd806cdc41c8,20000000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff80003a42b6a0,20000158) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff80003a42b6a0) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x62 kern_sysctl(ffff80003a42ba24,5,20000100,ffff80003a42ba58,0,37,e0d91737a598cd6d) at kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 sys_sysctl(ffff800032593720,ffff80003a42bb90,ffff80003a42bae0) at sys_sysctl+0x422 syscall(ffff80003a42bb90) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80003a42bb90) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x23d57849ca0, count: -15