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 *271094 18684 32767 0x10 0x4000000 1 syz-executor 175523 6663 32767 0x10 0 0 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff83072cb0) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(fffffd804c61f7d0,1,0) at witness_checkorder+0x1113 sys/kern/subr_witness.c:843 rw_enter(fffffd804c61f7c0,2) at rw_enter+0x122 uvmfault_lookup(ffff80003ec04a50,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff80003ec04a50,ffff80003ec04a88,ffff80003ec04ab0) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(fffffd804c61f6e0,20000000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff80003ec04bf0,2000031c) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff80003ec04bf0) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x62 kern_sysctl(ffff80003ec04f74,5,20000100,ffff80003ec04fa8,0,37,64d50da09aabe049) at kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 sys_sysctl(ffff8000ffffcf40,ffff80003ec050e0,ffff80003ec05030) at sys_sysctl+0x422 syscall(ffff80003ec050e0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80003ec050e0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 end trace frame: 0xffff80003ec05160, 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(ffffffff83072cb0) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(fffffd804c61f7d0,1,0) at witness_checkorder+0x1113 sys/kern/subr_witness.c:843 rw_enter(fffffd804c61f7c0,2) at rw_enter+0x122 uvmfault_lookup(ffff80003ec04a50,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff80003ec04a50,ffff80003ec04a88,ffff80003ec04ab0) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(fffffd804c61f6e0,20000000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff80003ec04bf0,2000031c) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff80003ec04bf0) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x62 kern_sysctl(ffff80003ec04f74,5,20000100,ffff80003ec04fa8,0,37,64d50da09aabe049) at kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 sys_sysctl(ffff8000ffffcf40,ffff80003ec050e0,ffff80003ec05030) at sys_sysctl+0x422 syscall(ffff80003ec050e0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80003ec050e0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xbffc4845080, count: -15 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80003ec04650 rbx 0xffff800029b7cdcf rdx 0 rcx 0xffff8000ffffcf40 rax 0xffff800029b7bff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x30369827f9f9c7be r11 0xf75ea3f1f666912e r12 0xffff800029b7cbd0 r13 0 r14 0 r15 0x1 rip 0xffffffff8285fbe5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003ec04640 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=271094 pid=18684 tcnt=3 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=0xffff8000ffffc7a8,0xffff8000ffffd1d8 process=0xffff80002e174db0 user=0xffff80003ec00000, vmspace=0xfffffd804c61f6e0 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 14256 518093 35698 32767 2 0x10 syz-executor 14256 404671 35698 32767 2 0x4000010 syz-executor 18684 302644 17925 32767 2 0x10 syz-executor *18684 271094 17925 32767 7 0x4000010 syz-executor 18684 147841 17925 32767 3 0x4000090 fsleep syz-executor 83084 113891 6663 32767 3 0x90 nanoslp syz-executor 83084 231412 6663 32767 3 0x4000090 sbwait syz-executor 83084 399461 6663 32767 3 0x4000090 sbwait syz-executor 83084 33676 6663 32767 3 0x4000090 fsleep syz-executor 23273 300955 326 32767 3 0x90 nanoslp syz-executor 23273 51063 326 32767 3 0x4000090 netacc syz-executor 23273 293474 326 32767 3 0x4000090 fsleep syz-executor 37295 412544 24766 32767 3 0x90 nanoslp syz-executor 37295 346627 24766 32767 3 0x4000090 fsleep syz-executor 37295 228932 24766 32767 3 0x4000090 pipewr syz-executor 67288 360637 96058 32767 3 0x90 nanoslp syz-executor 67288 87396 96058 32767 3 0x4000090 fsleep syz-executor 67288 26615 96058 32767 3 0x4000090 fsleep syz-executor 67288 286211 96058 32767 3 0x4000090 fifow syz-executor 6663 175523 66285 32767 7 0x10 syz-executor 66285 292631 18275 0 3 0x82 wait syz-executor 59555 195258 34782 32767 3 0x90 wait syz-executor 34782 4416 18275 0 3 0x82 wait syz-executor 326 121440 4683 32767 3 0x90 nanoslp syz-executor 4683 408884 18275 0 3 0x82 wait syz-executor 35698 428276 28341 32767 3 0x90 nanoslp syz-executor 28341 202183 18275 0 3 0x82 wait syz-executor 44003 435747 86848 32767 2 0x10 syz-executor 86848 193569 18275 0 3 0x82 wait syz-executor 17925 405720 52756 32767 3 0x90 nanoslp syz-executor 52756 90057 18275 0 3 0x82 wait syz-executor 24766 489029 6481 32767 3 0x90 nanoslp syz-executor 6481 187875 18275 0 3 0x82 wait syz-executor 96058 455082 95210 32767 3 0x90 nanoslp syz-executor 95210 109849 18275 0 3 0x82 wait syz-executor 41397 436057 23448 0 3 0x100082 sbwait arp 23448 172935 45155 0 3 0x10008a sigsusp sh 45155 161993 1 0 3 0x80 wait syz-executor 63609 471954 0 0 3 0x14200 bored sosplice 18275 65653 52113 0 3 0x82 kqread syz-executor 52113 520256 12941 0 3 0x10008a sigsusp ksh 12941 301529 43908 0 3 0x98 kqread sshd-session 43908 168782 60977 0 3 0x92 kqread sshd-session 73764 193221 1 0 3 0x100083 ttyin getty 60977 333660 1 0 3 0x88 kqread sshd 94416 83220 19030 73 3 0x1100090 kqread syslogd 19030 212752 1 0 3 0x100082 sbwait syslogd 41617 15676 1 0 3 0x100080 kqread resolvd 76553 233605 79064 77 3 0x100092 kqread dhcpleased 78286 31746 79064 77 3 0x100092 kqread dhcpleased 79064 123344 1 0 3 0x80 kqread dhcpleased 18322 309508 0 0 3 0x14200 bored smr 7764 95011 0 0 3 0x14200 pgzero zerothread 89237 61522 0 0 3 0x14200 aiodoned aiodoned 23696 349716 0 0 3 0x14200 syncer update 87874 3150 0 0 3 0x14200 cleaner cleaner 78277 293847 0 0 3 0x14200 reaper reaper 58310 440133 0 0 3 0x14200 pgdaemon pagedaemon 87466 422865 0 0 3 0x14200 bored viomb 50177 90850 0 0 3 0x40014200 acpi0 acpi0 93939 257979 0 0 3 0x40014200 idle1 51973 497834 0 0 3 0x14200 bored softnet3 41897 169656 0 0 3 0x14200 bored softnet2 35487 169351 0 0 3 0x14200 bored softnet1 4176 232401 0 0 3 0x14200 bored softnet0 60984 164617 0 0 3 0x14200 bored systqmp 14216 248470 0 0 3 0x14200 bored systq 77706 328354 0 0 3 0x14200 tmoslp softclockmp 89873 159918 0 0 3 0x40014200 tmoslp softclock 58727 116797 0 0 3 0x40014200 idle0 1 261342 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 (0xffffffff83581210) #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+0x1771 #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 18684 (syz-executor) thread 0xffff8000ffffcf40 (271094) exclusive rwlock netlock r = 0 (0xffffffff83433160) #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 (0xffffffff835802f0) #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 (0xffffffff8341bc40) #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 (0xffffffff83581210) #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+0x1771 #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 18684 (syz-executor) thread 0xffff800032b9c7b8 (147841) exclusive rwlock amaplk r = 0 (0xfffffd80683cf478) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 uvm_map_protect+0xaf2 uvm_map_lock_entry sys/uvm/uvm_map.c:464 [inline] #1 uvm_map_protect+0xaf2 sys/uvm/uvm_map.c:3185 #2 sys_mprotect+0x34c sys/uvm/uvm_mmap.c:585 #3 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #3 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #4 Xsyscall+0x128 exclusive rwlock vmmaplk r = 0 (0xfffffd804c61f7d0) #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 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10234 11054K 11059K 166960K 15103 0 pcb 17 28K 32K 166960K 29 0 rtable 248 7K 8K 166960K 47214 0 pf 31 16K 16K 166960K 2568 0 ifaddr 42 23K 31K 166960K 5105 0 ifgroup 50 2K 2K 166960K 5113 0 sysctl 4 1K 5K 166960K 125 0 counters 64 36K 36K 166960K 2590 0 ioctlops 0 0K 2K 166960K 3870 0 iov 0 0K 34K 166960K 10969 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1470 92K 92K 166960K 36379 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 13K 166960K 1975 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 5337 0 dirhash 36 6K 7K 166960K 3480 0 ACPI 1690 195K 286K 166960K 12418 0 file desc 30 110K 169K 166960K 111164 0 sigio 0 0K 0K 166960K 4248 0 proc 58 79K 176K 166960K 45838 0 subproc 117 7K 13K 166960K 17485 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 27145 0 in_multi 99 7K 7K 166960K 18646 0 ether_multi 1 0K 0K 166960K 699 0 mrt 1 0K 0K 166960K 28 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 343 1526K 1526K 166960K 343 0 exec 0 0K 1K 166960K 36704 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 322 86K 140K 166960K 983928 0 UVM aobj 131 4K 7K 166960K 149 0 pinsyscall 51 102K 136K 166960K 148869 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 8568 0 NDP 11 0K 2K 166960K 3812 0 temp 80 6825K 6952K 166960K 768187 0 kqueue 14 22K 38K 166960K 19562 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 17766 0 17762 125 124 1 5 0 8 0 rtentry 112 15250 0 15133 13 9 4 4 0 8 0 unpcb 144 111373 0 111348 409 405 4 13 0 8 2 syncache 336 2263 0 2263 27 26 1 1 0 8 1 tcpqe 32 982 0 982 75 74 1 1 0 8 1 tcpcb 808 75871 0 75736 462 435 27 30 0 8 8 arp 120 2609 0 2591 1 0 1 1 0 8 0 ipq 40 740 0 735 6 5 1 1 0 8 0 ipqe 40 17397 0 17392 6 5 1 1 0 8 0 inpcb 336 172111 0 171971 517 494 23 29 0 8 4 ip6q 72 26 0 26 25 25 0 1 0 8 0 ip6af 40 52 0 52 25 25 0 1 0 8 0 nd6 136 5004 0 4973 25 23 2 2 0 8 0 kcovpl 48 1345 0 1336 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 61934 0 61430 228 196 32 35 0 8 0 art_table 32 61935 0 61430 17 12 5 5 0 8 0 art_node 16 15249 0 15142 1 0 1 1 0 8 0 sysvmsgpl 40 35 0 22 1 0 1 1 0 8 0 semupl 112 4 0 4 3 3 0 1 0 8 0 semapl 112 5264 0 5254 1 0 1 1 0 8 0 shmpl 112 146 0 18 4 0 4 4 0 8 0 dirhash 1024 2357 0 2311 55 48 7 7 0 8 1 dino2pl 256 152396 0 145549 432 3 429 429 0 8 0 ffsino 272 152396 0 145549 461 3 458 458 0 8 0 nchpl 144 281214 0 277989 121 1 120 120 0 8 0 uvmvnodes 80 13726 0 0 281 0 281 281 0 8 0 vnodes 216 13726 0 0 763 0 763 763 0 8 0 namei 1024 1160958 0 1160958 41 40 1 2 0 8 1 percpumem 16 1309 0 1263 1 0 1 1 0 8 0 kstatmem 264 2548 0 2526 3 1 2 2 0 8 0 scxspl 216 950025 0 950025 174 171 3 8 1 8 3 plimitpl 152 36969 0 36942 3 1 2 2 0 8 0 sigapl 424 109541 0 109481 15 7 8 9 0 8 0 futexpl 64 1399021 0 1399015 22 21 1 1 0 8 0 knotepl 120 3360 0 0 26 1 25 26 0 8 0 kqueuepl 216 39897 0 39822 282 277 5 9 0 8 0 pipepl 320 21871 0 21840 253 250 3 10 0 8 0 fdescpl 496 109522 0 109481 25 19 6 8 0 8 0 filepl 152 809906 0 809569 474 454 20 27 0 8 4 lockfpl 104 31092 0 31090 16 14 2 4 0 8 1 lockfspl 48 9495 0 9493 1 0 1 1 0 8 0 sessionpl 144 2066 0 2049 1 0 1 1 0 8 0 pgrppl 48 5949 0 5924 1 0 1 1 0 8 0 ucredpl 104 159867 0 159848 1 0 1 1 0 8 0 zombiepl 144 109483 0 109481 2 1 1 1 0 8 0 processpl 1160 109541 0 109481 10 5 5 6 0 8 0 procpl 648 266367 0 266294 12 5 7 8 0 8 0 srpgc 96 21 0 21 11 11 0 1 0 8 0 sosppl 168 1750 0 1732 21 20 1 1 0 8 0 sockpl 664 304788 0 304608 786 759 27 43 0 8 0 mcl64k 65536 171 0 0 6 1 5 6 0 8 0 mcl16k 16384 46 0 0 4 1 3 3 0 8 0 mcl12k 12288 21 0 0 2 0 2 2 0 8 0 mcl9k 9216 17 0 0 2 0 2 2 0 8 0 mcl8k 8192 41 0 0 4 1 3 3 0 8 0 mcl4k 4096 252 0 0 17 3 14 17 0 8 0 mcl2k2 2112 9 0 0 1 0 1 1 0 8 0 mcl2k 2048 1069 0 0 27 16 11 12 0 8 0 mtagpl 96 14 0 0 1 0 1 1 0 8 0 mbufpl 256 11865 0 0 568 1 567 567 0 8 0 bufpl 280 192324 0 178594 982 1 981 981 0 8 0 anonpl 24 12931860 0 12912685 860 710 150 180 0 185 0 amapchunkpl 152 3241271 0 3240224 735 683 52 60 0 158 5 amappl16 200 310725 0 310064 864 815 49 65 0 8 0 amappl15 192 28 0 28 19 19 0 1 0 8 0 amappl14 184 4258 0 4246 1 0 1 1 0 8 0 amappl13 176 80 0 79 13 12 1 1 0 8 0 amappl12 168 130994 0 130952 5 2 3 3 0 8 0 amappl11 160 47 0 36 1 0 1 1 0 8 0 amappl10 152 23 0 22 3 2 1 1 0 8 0 amappl9 144 138 0 137 3 2 1 1 0 8 0 amappl8 136 22 0 19 1 0 1 1 0 8 0 amappl7 128 3493 0 3481 1 0 1 1 0 8 0 amappl6 120 12783 0 12778 1 0 1 1 0 8 0 amappl5 112 5963 0 5953 1 0 1 1 0 8 0 amappl4 104 7335 0 7319 1 0 1 1 0 8 0 amappl3 96 671779 0 671622 6 1 5 5 0 8 0 amappl2 88 27944 0 27876 5 2 3 3 0 8 1 amappl1 80 616655 0 616080 58 37 21 26 0 8 2 amappl 88 961834 0 961572 7 0 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 72 148 0 18 3 0 3 3 0 8 0 uaddrrnd 24 109522 0 109481 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 109522 0 109481 1 0 1 1 0 8 0 vmmpekpl 168 955277 0 955197 9 5 4 5 0 8 0 vmmpepl 168 7155140 0 7152262 947 790 157 189 0 357 13 vmsppl 440 109521 0 109481 18 13 5 7 0 8 0 rwobjpl 56 1732641 0 1717154 294 71 223 224 0 8 0 pdppl 4096 219051 0 218962 2457 2364 93 119 0 8 4 pvpl 32 46772 0 0 330 0 330 330 0 265 0 pmappl 248 109521 0 109481 8 4 4 4 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 5310 0 3634 48 0 48 48 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83437ff0) 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(ffffffff835800e8) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835800e8) 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 __mp_lock(ffffffff835800e8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835800e8) at __mp_lock+0x192 sys/kern/kern_lock.c:144 syscall(ffff800031b91140) at syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800031b91140) at syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x784792c57670, count: 6 ddb{0}> trace x86_ipi_db(ffffffff83437ff0) 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(ffffffff835800e8) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835800e8) 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 __mp_lock(ffffffff835800e8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835800e8) at __mp_lock+0x192 sys/kern/kern_lock.c:144 syscall(ffff800031b91140) at syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800031b91140) at syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x784792c57670, 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(ffffffff83072cb0) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(fffffd804c61f7d0,1,0) at witness_checkorder+0x1113 sys/kern/subr_witness.c:843 rw_enter(fffffd804c61f7c0,2) at rw_enter+0x122 uvmfault_lookup(ffff80003ec04a50,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff80003ec04a50,ffff80003ec04a88,ffff80003ec04ab0) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(fffffd804c61f6e0,20000000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff80003ec04bf0,2000031c) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff80003ec04bf0) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x62 kern_sysctl(ffff80003ec04f74,5,20000100,ffff80003ec04fa8,0,37,64d50da09aabe049) at kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 sys_sysctl(ffff8000ffffcf40,ffff80003ec050e0,ffff80003ec05030) at sys_sysctl+0x422 syscall(ffff80003ec050e0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80003ec050e0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 end trace frame: 0xffff80003ec05160, count: 0 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff83072cb0) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(fffffd804c61f7d0,1,0) at witness_checkorder+0x1113 sys/kern/subr_witness.c:843 rw_enter(fffffd804c61f7c0,2) at rw_enter+0x122 uvmfault_lookup(ffff80003ec04a50,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff80003ec04a50,ffff80003ec04a88,ffff80003ec04ab0) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(fffffd804c61f6e0,20000000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff80003ec04bf0,2000031c) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff80003ec04bf0) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x62 kern_sysctl(ffff80003ec04f74,5,20000100,ffff80003ec04fa8,0,37,64d50da09aabe049) at kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 sys_sysctl(ffff8000ffffcf40,ffff80003ec050e0,ffff80003ec05030) at sys_sysctl+0x422 syscall(ffff80003ec050e0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80003ec050e0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xbffc4845080, count: -15