login: 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 133512 74110 0 0x1000 0x4080000 1 syz-executor *339126 67731 0 0 0x4000000 0 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8307ff84) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(fffffd806c007ba0,1,0) at witness_checkorder+0x1113 sys/kern/subr_witness.c:843 rw_enter_read(fffffd806c007b90) at rw_enter_read+0xab sys/kern/kern_rwlock.c:112 uvmfault_lookup(ffff8000371ff7c8,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1819 uvm_fault_check(ffff8000371ff7c8,ffff8000371ff800,ffff8000371ff830,0) at uvm_fault_check+0x49 sys/uvm/uvm_fault.c:672 uvm_fault(fffffd806c007aa8,20000000,0,2) at uvm_fault+0xf5 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff8000371ff970,20000100) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff8000371ff970) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x62 kern_sysctl(ffff8000371ffcf4,5,20000100,ffff8000371ffd28,0,37,4b1e373314fe9aa) at kern_sysctl+0x492 sys/kern/kern_sysctl.c:506 sys_sysctl(ffff8000371d4ce8,ffff8000371ffe60,ffff8000371ffdb0) at sys_sysctl+0x425 syscall(ffff8000371ffe60) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000371ffe60) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 end trace frame: 0xffff8000371ffee0, 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(ffffffff8307ff84) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(fffffd806c007ba0,1,0) at witness_checkorder+0x1113 sys/kern/subr_witness.c:843 rw_enter_read(fffffd806c007b90) at rw_enter_read+0xab sys/kern/kern_rwlock.c:112 uvmfault_lookup(ffff8000371ff7c8,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1819 uvm_fault_check(ffff8000371ff7c8,ffff8000371ff800,ffff8000371ff830,0) at uvm_fault_check+0x49 sys/uvm/uvm_fault.c:672 uvm_fault(fffffd806c007aa8,20000000,0,2) at uvm_fault+0xf5 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff8000371ff970,20000100) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff8000371ff970) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x62 kern_sysctl(ffff8000371ffcf4,5,20000100,ffff8000371ffd28,0,37,4b1e373314fe9aa) at kern_sysctl+0x492 sys/kern/kern_sysctl.c:506 sys_sysctl(ffff8000371d4ce8,ffff8000371ffe60,ffff8000371ffdb0) at sys_sysctl+0x425 syscall(ffff8000371ffe60) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000371ffe60) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x4705be22e70, count: -15 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff8000371ff410 rbx 0xffffffff83474dbf cpu_info_full_primary+0x2dbf rdx 0xffff80000133f780 rcx 0xffff8000371d4ce8 rax 0xffffffff83473ff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x3f4c06e3096258cc r11 0x90a5fddf5218f3b8 r12 0xffffffff83474bc0 cpu_info_full_primary+0x2bc0 r13 0 r14 0 r15 0x1 rip 0xffffffff8292af95 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff8000371ff400 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=339126 pid=67731 tcnt=3 stat=onproc flags process=0 proc=4000000 runpri=84, usrpri=84, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000371d4040,0xffff8000371d4f80 process=0xffff80003729db38 user=0xffff8000371fa000, vmspace=0xfffffd806c007aa8 estcpu=34, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 74110 97116 95498 0 3 0x3000 suspend syz-executor 74110 133512 95498 0 7 0x4081000 syz-executor 1058 254583 15350 0 2 0 syz-executor 1058 116860 15350 0 3 0x4000080 fsleep syz-executor 1058 232525 15350 0 3 0x4000080 fsleep syz-executor 35761 315703 40250 0 2 0 syz-executor 35761 123805 40250 0 3 0x4000080 fsleep syz-executor 35761 22994 40250 0 3 0x4000080 fsleep syz-executor 67731 271604 46091 0 2 0 syz-executor *67731 339126 46091 0 7 0x4000000 syz-executor 67731 435388 46091 0 2 0x4000000 syz-executor 85809 179023 13207 0 2 0 syz-executor 85809 313459 13207 0 2 0x4000000 syz-executor 85809 517020 13207 0 3 0x4000080 fsleep syz-executor 50797 288611 36255 0 2 0x400000 syz-executor 50797 346392 36255 0 3 0x4400080 ttyout syz-executor 50797 199148 36255 0 3 0x4400080 fsleep syz-executor 50797 211936 36255 0 2 0x4400000 syz-executor 67907 42007 64639 0 2 0 syz-executor 67907 411573 64639 0 3 0x4000080 fsleep syz-executor 67907 257792 64639 0 3 0x4000080 fsleep syz-executor 11346 270432 5985 0 2 0x10 syz-executor 11346 311369 5985 0 3 0x4000090 sbwait syz-executor 11346 117186 5985 0 2 0x4000010 syz-executor 11346 185164 5985 0 2 0x4000010 syz-executor 31174 484636 1 0 3 0x100083 ttyin getty 64639 509567 5030 0 3 0x82 nanoslp syz-executor 45280 336244 0 0 3 0x14280 nfsidl nfsio 84971 153512 0 0 3 0x14280 nfsidl nfsio 21065 54805 0 0 3 0x14280 nfsidl nfsio 36291 157711 0 0 3 0x14280 nfsidl nfsio 7396 494737 0 0 3 0x14280 nfsidl nfsio 12487 362108 0 0 3 0x14280 nfsidl nfsio 82134 212427 0 0 3 0x14280 nfsidl nfsio 61736 124072 0 0 3 0x14280 nfsidl nfsio 51570 107023 0 0 3 0x14280 nfsidl nfsio 39615 255218 0 0 3 0x14280 nfsidl nfsio 9870 317548 0 0 3 0x14280 nfsidl nfsio 36463 254119 0 0 3 0x14280 nfsidl nfsio 58949 375771 0 0 3 0x14280 nfsidl nfsio 21088 283450 0 0 3 0x14280 nfsidl nfsio 88305 297201 0 0 3 0x14280 nfsidl nfsio 24085 26618 0 0 3 0x14280 nfsidl nfsio 15061 1494 0 0 3 0x14280 nfsidl nfsio 20732 246230 0 0 3 0x14280 nfsidl nfsio 30629 285149 0 0 3 0x14280 nfsidl nfsio 36490 371465 0 0 3 0x14280 nfsidl nfsio 46091 265755 5030 0 2 0x3 syz-executor 96473 387016 0 0 3 0x14200 bored sosplice 95498 278378 5030 0 3 0x82 nanoslp syz-executor 13207 489892 5030 0 3 0x82 nanoslp syz-executor 5985 280390 5030 0 2 0x3 syz-executor 15350 200938 5030 0 2 0x3 syz-executor 36255 224861 5030 0 2 0x3 syz-executor 40250 348881 5030 0 3 0x82 nanoslp syz-executor 5030 467632 79394 0 3 0x82 kqread syz-executor 79394 360516 78777 0 3 0x10008a sigsusp ksh 78777 163019 22169 0 3 0x98 kqread sshd-session 22169 414465 68379 0 3 0x92 kqread sshd-session 68379 6161 1 0 3 0x88 kqread sshd 65149 369832 84411 74 3 0x1100092 bpf pflogd 84411 43079 1 0 3 0x80 sbwait pflogd 63321 182195 98711 73 3 0x1100090 kqread syslogd 98711 448868 1 0 3 0x100082 sbwait syslogd 74130 487114 1 0 3 0x100080 kqread resolvd 40019 77345 54554 77 3 0x100092 kqread dhcpleased 14850 393511 54554 77 3 0x100092 kqread dhcpleased 54554 113835 1 0 3 0x80 kqread dhcpleased 74323 28585 0 0 3 0x14200 bored smr 13251 318369 0 0 3 0x14200 pgzero zerothread 90183 362835 0 0 3 0x14200 aiodoned aiodoned 49880 73674 0 0 3 0x14200 syncer update 14390 354503 0 0 3 0x14200 cleaner cleaner 30827 437424 0 0 3 0x14200 reaper reaper 96432 421298 0 0 3 0x14200 pgdaemon pagedaemon 34847 73872 0 0 3 0x14200 bored viomb 7533 53069 0 0 3 0x40014200 acpi0 acpi0 75034 287265 0 0 3 0x40014200 idle1 75893 39042 0 0 3 0x14200 bored softnet3 78911 504388 0 0 3 0x14200 bored softnet2 973 395972 0 0 3 0x14200 bored softnet1 89318 50973 0 0 3 0x14200 bored softnet0 10044 375827 0 0 3 0x14200 bored systqmp 20216 312977 0 0 3 0x14200 bored systq 29055 176790 0 0 3 0x14200 tmoslp softclockmp 10204 68794 0 0 3 0x40014200 tmoslp softclock 59450 48384 0 0 3 0x40014200 idle0 1 67388 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 (0xffffffff83560d78) #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+0x9fd #4 kern_sysctl+0x492 sys/kern/kern_sysctl.c:506 #5 sys_sysctl+0x425 #6 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #6 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 Process 67731 (syz-executor) thread 0xffff8000371d4ce8 (339126) exclusive rwlock netlock r = 0 (0xffffffff8342b7a0) #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+0x9e8 sys/kern/kern_sysctl.c:1681 #2 kern_sysctl+0x492 sys/kern/kern_sysctl.c:506 #3 sys_sysctl+0x425 #4 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #4 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #5 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83561540) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 __mp_acquire_count+0x58 #2 mi_switch+0x4b7 sys/kern/sched_bsd.c:441 #3 yield+0x6a sys/kern/sched_bsd.c:320 #4 malloc+0xe5 sys/kern/kern_malloc.c:170 #5 sysctl_file+0x1c7 sys/kern/kern_sysctl.c:1655 #6 kern_sysctl+0x492 sys/kern/kern_sysctl.c:506 #7 sys_sysctl+0x425 #8 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #8 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 exclusive rwlock sysctllk r = 0 (0xffffffff8345f0f0) #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:181 #3 kern_sysctl+0x1ad sys/kern/kern_sysctl.c:504 #4 sys_sysctl+0x425 #5 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #5 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #6 Xsyscall+0x128 exclusive mutex &table->inpt_mtx r = 0 (0xffffffff83560d78) #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+0x9fd #4 kern_sysctl+0x492 sys/kern/kern_sysctl.c:506 #5 sys_sysctl+0x425 #6 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #6 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 Process 67731 (syz-executor) thread 0xffff8000ffffdbe8 (435388) exclusive rwlock futex r = 0 (0xffffffff8347a2b0) #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 sys_futex+0x69 sys/kern/sys_futex.c:98 #3 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #3 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #4 Xsyscall+0x128 Process 11346 (syz-executor) thread 0xffff8000371d5c18 (311369) exclusive rwlock sbufrcv r = 0 (0xffff8000013bb0a0) #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 sblock+0xb7 sys/kern/uipc_socket2.c:549 #3 soreceive+0x295 sys/kern/uipc_socket.c:945 #4 recvit+0x40a sys/kern/uipc_syscalls.c:1079 #5 sys_recvmmsg+0x3d3 sys/kern/uipc_syscalls.c:970 #6 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #6 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10219 11151K 11458K 166960K 12287 0 pcb 19 14K 14K 166960K 300 0 rtable 183 5K 7K 166960K 495 0 pf 33 17K 21K 166960K 91 0 ifaddr 36 6K 7K 166960K 76 0 ifgroup 51 2K 2K 166960K 107 0 sysctl 4 1K 3K 166960K 5 0 counters 62 36K 36K 166960K 98 0 ioctlops 0 0K 4K 166960K 1541 0 iov 1 4K 24K 166960K 56 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1421 89K 90K 166960K 2231 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 19 0 VM map 2 1K 1K 166960K 2 0 sem 29 3K 3K 166960K 69 0 dirhash 12 2K 2K 166960K 21 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 18 65K 89K 166960K 987 0 sigio 0 0K 0K 166960K 52 0 proc 72 91K 140K 166960K 674 0 subproc 104 6K 6K 166960K 130 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 234 0 in_multi 82 6K 7K 166960K 163 0 ether_multi 1 0K 0K 166960K 3 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 187 837K 837K 166960K 187 0 exec 0 0K 1K 166960K 497 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 2 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 266 73K 87K 166960K 11089 0 UVM aobj 14 2K 2K 166960K 15 0 pinsyscall 43 86K 104K 166960K 2126 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 57 0 NDP 11 0K 2K 166960K 54 0 temp 73 6828K 6917K 166960K 27840 0 kqueue 14 22K 29K 166960K 165 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 86 0 83 1 0 1 1 0 8 0 rtentry 112 160 0 77 4 0 4 4 0 8 0 unpcb 144 757 0 733 11 7 4 6 0 8 3 syncache 336 5 0 5 1 1 0 1 0 8 0 tcpcb 808 399 0 393 11 7 4 5 0 8 3 arp 120 28 0 14 1 0 1 1 0 8 0 inpcb 336 1415 0 1400 22 13 9 10 0 8 7 nd6 136 38 0 15 1 0 1 1 0 8 0 pkpcb 40 7 0 7 3 2 1 1 0 8 1 kcovpl 48 10 0 2 1 0 1 1 0 8 0 ppxss 1168 9 0 9 3 3 0 1 0 8 0 pfstscr 40 1 0 0 1 0 1 1 0 8 0 pffrag 232 7 0 2 1 0 1 1 0 482 0 pffrnode 88 7 0 2 1 0 1 1 0 8 0 pffrent 40 10 0 5 1 0 1 1 0 8 0 pfosfp 40 1428 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfanchor 1288 2 0 0 1 0 1 1 0 8 0 pfstitem 24 91 0 35 1 0 1 1 0 8 0 pfstkey 128 91 0 35 3 0 3 3 0 8 0 pfstate 376 90 0 35 7 0 7 7 0 8 0 pfrule 1344 24 0 17 2 0 2 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 703 0 310 29 3 26 29 0 8 0 art_table 32 704 0 310 4 0 4 4 0 8 0 art_node 16 158 0 83 1 0 1 1 0 8 0 sysvmsgpl 40 18 0 11 1 0 1 1 0 8 0 semapl 112 65 0 38 1 0 1 1 0 8 0 shmpl 112 12 0 1 1 0 1 1 0 8 0 dirhash 1024 23 0 6 3 0 3 3 0 8 0 dino2pl 256 3235 0 1729 95 0 95 95 0 8 0 ffsino 272 3235 0 1729 102 0 102 102 0 8 0 nchpl 144 4621 0 2928 64 0 64 64 0 8 0 uvmvnodes 80 3766 0 0 77 0 77 77 0 8 0 vnodes 216 3766 0 0 210 0 210 210 0 8 0 namei 1024 16302 0 16302 2 1 1 2 0 8 1 percpumem 16 63 0 18 1 0 1 1 0 8 0 kstatmem 264 58 0 36 2 0 2 2 0 8 0 scsiplug 72 6 0 6 3 3 0 1 0 8 0 scxspl 216 15010 0 15010 8 7 1 5 1 8 1 plimitpl 152 203 0 184 1 0 1 1 0 8 0 sigapl 424 1309 0 1238 10 1 9 9 0 8 0 futexpl 64 13273 0 13264 1 0 1 1 0 8 0 knotepl 120 556 0 0 17 0 17 17 0 8 0 kqueuepl 216 343 0 331 5 4 1 5 0 8 0 pipepl 320 252 0 223 6 0 6 6 0 8 3 fdescpl 496 1267 0 1235 5 0 5 5 0 8 0 filepl 152 8814 0 8540 23 6 17 17 0 8 4 lockfpl 104 276 0 274 1 0 1 1 0 8 0 lockfspl 48 113 0 111 1 0 1 1 0 8 0 sessionpl 144 28 0 19 1 0 1 1 0 8 0 pgrppl 48 125 0 107 1 0 1 1 0 8 0 ucredpl 104 1716 0 1702 1 0 1 1 0 8 0 zombiepl 144 1493 0 1492 1 0 1 1 0 8 0 processpl 1160 1309 0 1238 7 1 6 6 0 8 0 procpl 648 2812 0 2724 9 1 8 8 0 8 0 srpgc 96 6 0 6 2 2 0 1 0 8 0 sosppl 168 7 0 7 2 2 0 1 0 8 0 sockpl 664 2276 0 2234 27 16 11 14 0 8 7 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 138 0 0 18 0 18 18 0 8 0 mcl2k 2048 36 0 0 5 0 5 5 0 8 0 mtagpl 96 18 0 0 1 0 1 1 0 8 0 mbufpl 256 1196 0 0 75 0 75 75 0 8 0 bufpl 280 4822 0 103 338 0 338 338 0 8 0 anonpl 24 244512 0 240531 108 34 74 74 0 185 27 amapchunkpl 152 35812 0 35209 34 5 29 29 0 158 3 amappl16 200 6657 0 6623 58 43 15 27 0 8 7 amappl15 192 9 0 8 1 0 1 1 0 8 0 amappl14 184 122 0 110 1 0 1 1 0 8 0 amappl13 176 11 0 11 1 1 0 1 0 8 0 amappl12 168 1941 0 1909 4 1 3 3 0 8 0 amappl11 160 55 0 41 1 0 1 1 0 8 0 amappl10 152 10 0 10 2 2 0 1 0 8 0 amappl9 144 156 0 156 1 1 0 1 0 8 0 amappl8 136 152 0 149 1 0 1 1 0 8 0 amappl7 128 114 0 101 1 0 1 1 0 8 0 amappl6 120 184 0 182 1 0 1 1 0 8 0 amappl5 112 158 0 146 1 0 1 1 0 8 0 amappl4 104 327 0 309 1 0 1 1 0 8 0 amappl3 96 6685 0 6571 3 0 3 3 0 8 0 amappl2 88 1560 0 1472 3 0 3 3 0 8 0 amappl1 80 10685 0 10116 14 0 14 14 0 8 1 amappl 88 10614 0 10410 5 0 5 5 0 92 0 dma8192 8192 2 0 2 1 0 1 1 0 8 1 dma4096 4096 2 0 2 2 2 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 128 254 0 254 2 2 0 1 0 8 0 dma64 64 7 0 7 2 2 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 14 0 1 1 0 1 1 0 8 0 uaddrrnd 24 1267 0 1235 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1267 0 1235 1 0 1 1 0 8 0 vmmpekpl 168 11653 0 11605 4 0 4 4 0 8 0 vmmpepl 168 85442 0 83479 123 16 107 107 0 357 11 vmsppl 448 1266 0 1235 6 2 4 5 0 8 0 rwobjpl 56 30782 0 26018 73 0 73 73 0 8 0 pdppl 4096 2541 0 2470 107 36 71 83 0 8 0 pvpl 32 20734 0 0 167 0 167 167 0 265 0 pmappl 248 1266 0 1235 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 487 0 69 12 0 12 12 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(ffffffff8307ff84) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(fffffd806c007ba0,1,0) at witness_checkorder+0x1113 sys/kern/subr_witness.c:843 rw_enter_read(fffffd806c007b90) at rw_enter_read+0xab sys/kern/kern_rwlock.c:112 uvmfault_lookup(ffff8000371ff7c8,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1819 uvm_fault_check(ffff8000371ff7c8,ffff8000371ff800,ffff8000371ff830,0) at uvm_fault_check+0x49 sys/uvm/uvm_fault.c:672 uvm_fault(fffffd806c007aa8,20000000,0,2) at uvm_fault+0xf5 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff8000371ff970,20000100) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff8000371ff970) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x62 kern_sysctl(ffff8000371ffcf4,5,20000100,ffff8000371ffd28,0,37,4b1e373314fe9aa) at kern_sysctl+0x492 sys/kern/kern_sysctl.c:506 sys_sysctl(ffff8000371d4ce8,ffff8000371ffe60,ffff8000371ffdb0) at sys_sysctl+0x425 syscall(ffff8000371ffe60) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000371ffe60) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x4705be22e70, 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(ffffffff83561338) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83561338) at __mp_lock+0x192 sys/kern/kern_lock.c:144 single_thread_check_locked(ffff8000371d4550,0) at single_thread_check_locked+0x2b5 sys/kern/kern_sig.c:2078 userret(ffff8000371d4550) at userret+0x9c sys/kern/kern_sig.c:2021 syscall(ffff80003720bd90) at syscall+0x9a7 mi_syscall_return sys/sys/syscall_mi.h:205 [inline] syscall(ffff80003720bd90) at syscall+0x9a7 sys/arch/amd64/amd64/trap.c:598 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xf8c484b8700, count: 7 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(ffffffff83561338) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83561338) at __mp_lock+0x192 sys/kern/kern_lock.c:144 single_thread_check_locked(ffff8000371d4550,0) at single_thread_check_locked+0x2b5 sys/kern/kern_sig.c:2078 userret(ffff8000371d4550) at userret+0x9c sys/kern/kern_sig.c:2021 syscall(ffff80003720bd90) at syscall+0x9a7 mi_syscall_return sys/sys/syscall_mi.h:205 [inline] syscall(ffff80003720bd90) at syscall+0x9a7 sys/arch/amd64/amd64/trap.c:598 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xf8c484b8700, count: -8