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 495067 42528 32767 0x10 0 0 syz-executor *474447 42528 32767 0x10 0x4000000 1 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff83076ff4) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(fffffd807987d988,1,0) at witness_checkorder+0x1113 sys/kern/subr_witness.c:843 rw_enter(fffffd807987d978,2) at rw_enter+0x122 uvmfault_lookup(ffff80002c7566d0,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff80002c7566d0,ffff80002c756708,ffff80002c756730) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(fffffd807987d898,20000000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff80002c756870,200001e8) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff80002c756870) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x62 kern_sysctl(ffff80002c756bf4,5,20000100,ffff80002c756c28,0,37,dec15ca7b438e7f4) at kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 sys_sysctl(ffff80002f17f478,ffff80002c756d60,ffff80002c756cb0) at sys_sysctl+0x422 syscall(ffff80002c756d60) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002c756d60) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 end trace frame: 0xffff80002c756de0, 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(ffffffff83076ff4) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(fffffd807987d988,1,0) at witness_checkorder+0x1113 sys/kern/subr_witness.c:843 rw_enter(fffffd807987d978,2) at rw_enter+0x122 uvmfault_lookup(ffff80002c7566d0,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff80002c7566d0,ffff80002c756708,ffff80002c756730) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(fffffd807987d898,20000000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff80002c756870,200001e8) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff80002c756870) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x62 kern_sysctl(ffff80002c756bf4,5,20000100,ffff80002c756c28,0,37,dec15ca7b438e7f4) at kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 sys_sysctl(ffff80002f17f478,ffff80002c756d60,ffff80002c756cb0) at sys_sysctl+0x422 syscall(ffff80002c756d60) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002c756d60) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x39e3cc2e00, count: -15 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002c7562d0 rbx 0xffff800029b7cdbf rdx 0 rcx 0xffff80002f17f478 rax 0xffff800029b7bff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x768f0711b1f009bc r11 0xde86b51a3f855ff3 r12 0xffff800029b7cbc0 r13 0 r14 0 r15 0x1 rip 0xffffffff821f23b5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002c7562c0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=474447 pid=42528 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=0xffff80002f17f988,0xffff80002f17f710 process=0xffff80002d573678 user=0xffff80002c751000, vmspace=0xfffffd807987d898 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 42528 495067 21878 32767 7 0x10 syz-executor *42528 474447 21878 32767 7 0x4000010 syz-executor 42528 100534 21878 32767 3 0x4000090 fsleep syz-executor 42528 242962 21878 32767 3 0x4000090 fsleep syz-executor 16486 414194 11462 32767 3 0x90 nanoslp syz-executor 16486 257061 11462 32767 3 0x4000090 sbwait syz-executor 16486 51351 11462 32767 3 0x4000090 ttyin syz-executor 16486 302620 11462 32767 3 0x4000090 fsleep syz-executor 25742 359368 20866 32767 3 0x90 nanoslp syz-executor 25742 410926 20866 32767 3 0x4000090 sbwait syz-executor 25742 360474 20866 32767 3 0x4000090 fsleep syz-executor 97260 152061 93237 32767 3 0x90 nanoslp syz-executor 97260 37615 93237 32767 3 0x4000090 tunread syz-executor 97260 28283 93237 32767 3 0x4000090 fsleep syz-executor 21878 45055 42025 32767 3 0x90 nanoslp syz-executor 42025 463265 92322 0 3 0x82 wait syz-executor 20866 188918 8375 32767 3 0x90 nanoslp syz-executor 8375 191425 92322 0 3 0x82 wait syz-executor 59994 313492 79379 32767 3 0x90 wait syz-executor 79379 97840 92322 0 3 0x82 wait syz-executor 51670 320132 58625 32767 3 0x90 nanoslp syz-executor 58625 222368 92322 0 3 0x82 wait syz-executor 50419 511498 94836 32767 3 0x10 biowait syz-executor 94836 290002 92322 0 3 0x82 wait syz-executor 11462 474353 92632 32767 3 0x90 nanoslp syz-executor 92632 165981 92322 0 3 0x82 wait syz-executor 66658 310280 42977 32767 3 0x90 wait syz-executor 42977 18827 92322 0 3 0x82 wait syz-executor 93237 78198 99310 32767 3 0x90 nanoslp syz-executor 99310 304870 92322 0 3 0x82 wait syz-executor 19001 50546 96177 0 3 0x100082 sbwait ndp 96177 28457 67527 0 3 0x10008a sigsusp sh 67527 80918 1 0 3 0x80 wait syz-executor 54659 15961 0 0 3 0x14200 bored sosplice 77189 313988 21218 0 3 0x100082 sbwait ndp 21218 129303 34950 0 3 0x10008a sigsusp sh 34950 134364 1 0 3 0x80 wait syz-executor 92322 160987 77549 0 3 0x82 kqread syz-executor 77549 132298 9569 0 3 0x10008a sigsusp ksh 9569 137733 69026 0 3 0x98 kqread sshd-session 69026 233204 48368 0 3 0x92 kqread sshd-session 36277 509814 1 0 3 0x100083 ttyin getty 48368 271857 1 0 3 0x88 kqread sshd 34382 159388 1067 73 3 0x1100090 kqread syslogd 1067 393198 1 0 3 0x100082 sbwait syslogd 81279 314954 1 0 3 0x100080 kqread resolvd 5715 186855 30589 77 3 0x100092 kqread dhcpleased 49938 453225 30589 77 3 0x100092 kqread dhcpleased 30589 134262 1 0 3 0x80 kqread dhcpleased 88073 252456 0 0 3 0x14200 bored smr 2623 19817 0 0 3 0x14200 pgzero zerothread 75865 426414 0 0 3 0x14200 aiodoned aiodoned 95770 154611 0 0 3 0x14200 syncer update 92505 346174 0 0 3 0x14200 cleaner cleaner 62793 413787 0 0 3 0x14200 reaper reaper 73363 295010 0 0 3 0x14200 pgdaemon pagedaemon 90549 157071 0 0 3 0x14200 bored viomb 6735 432673 0 0 3 0x40014200 acpi0 acpi0 72460 324394 0 0 3 0x40014200 idle1 23498 435168 0 0 3 0x14200 bored softnet3 55928 487365 0 0 3 0x14200 bored softnet2 51260 54612 0 0 3 0x14200 bored softnet1 35972 469116 0 0 3 0x14200 bored softnet0 96886 215664 0 0 3 0x14200 bored systqmp 87776 111376 0 0 3 0x14200 bored systq 96423 89796 0 0 3 0x14200 tmoslp softclockmp 34603 263317 0 0 3 0x40014200 tmoslp softclock 30907 217374 0 0 3 0x40014200 idle0 1 440426 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks CPU 0: exclusive mutex vmmpepl r = 0 (0xffffffff8355cc90) #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 pool_get+0x103 sys/kern/subr_pool.c:579 #4 uvm_mapent_alloc+0x35a #5 uvm_map_protect+0x888 sys/uvm/uvm_map.c:3138 #6 sys_mprotect+0x34c sys/uvm/uvm_mmap.c:585 #7 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #7 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #8 Xsyscall+0x128 CPU 1: exclusive mutex &table->inpt_mtx r = 0 (0xffffffff834fe2f8) #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 42528 (syz-executor) thread 0xffff80002f17f478 (474447) exclusive rwlock netlock r = 0 (0xffffffff834b61d0) #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 (0xffffffff834ff250) #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 (0xffffffff8347c340) #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 (0xffffffff834fe2f8) #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 42528 (syz-executor) thread 0xffff80002f17f700 (100534) exclusive rwlock vmmaplk r = 0 (0xfffffd807987d988) #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 50419 (syz-executor) thread 0xffff80002d56af58 (511498) exclusive rrwlock inode r = 0 (0xfffffd80559eb1a8) #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 (0xfffffd804c874c58) #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 10218 11052K 11059K 166960K 13425 0 pcb 17 24K 28K 166960K 27 0 rtable 240 6K 7K 166960K 24580 0 pf 31 16K 16K 166960K 1459 0 ifaddr 42 15K 18K 166960K 2869 0 ifgroup 50 2K 2K 166960K 2896 0 sysctl 4 1K 5K 166960K 106 0 counters 64 36K 36K 166960K 1482 0 ioctlops 0 0K 2K 166960K 1782 0 iov 0 0K 40K 166960K 4111 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1482 93K 93K 166960K 20574 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 13K 166960K 859 0 VM map 2 1K 1K 166960K 2 0 sem 3 1K 1K 166960K 4 0 dirhash 15 3K 4K 166960K 1053 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 31 117K 181K 166960K 47943 0 sigio 0 0K 0K 166960K 1688 0 proc 59 91K 176K 166960K 24421 0 subproc 130 8K 13K 166960K 11830 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 12196 0 in_multi 99 7K 7K 166960K 9716 0 ether_multi 1 0K 0K 166960K 299 0 mrt 1 0K 0K 166960K 8 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 277 1235K 1235K 166960K 277 0 exec 0 0K 1K 166960K 19079 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 314 92K 150K 166960K 412019 0 UVM aobj 131 4K 8K 166960K 139 0 pinsyscall 54 108K 148K 166960K 68894 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 3497 0 NDP 11 0K 2K 166960K 2134 0 temp 84 6825K 6952K 166960K 293822 0 kqueue 14 20K 39K 166960K 7621 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 7077 0 7072 46 45 1 5 0 8 0 rtentry 112 8359 0 8246 13 9 4 4 0 8 0 unpcb 144 47125 0 47106 184 180 4 10 0 8 3 syncache 336 911 0 911 40 39 1 1 0 8 1 tcpqe 32 410 0 410 51 50 1 1 0 8 1 tcpcb 808 31060 0 30941 295 279 16 23 0 8 0 arp 120 1452 0 1434 1 0 1 1 0 8 0 ipq 40 229 0 227 6 5 1 1 0 8 0 ipqe 40 4299 0 4297 6 5 1 1 0 8 0 inpcb 336 73190 0 73067 315 298 17 28 0 8 1 ip6q 72 79 0 79 12 12 0 1 0 8 0 ip6af 40 158 0 158 12 12 0 1 0 8 0 nd6 136 2630 0 2603 11 10 1 2 0 8 0 kcovpl 48 910 0 900 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 33492 0 33025 227 196 31 33 0 8 0 art_table 32 33493 0 33025 9 5 4 5 0 8 0 art_node 16 8358 0 8255 1 0 1 1 0 8 0 sysvmsgpl 40 12 0 9 3 2 1 1 0 8 0 semapl 112 2 0 1 2 1 1 1 0 8 0 shmpl 112 136 0 8 4 0 4 4 0 8 0 dirhash 1024 726 0 699 15 11 4 4 0 8 0 dino2pl 256 62206 0 58015 264 1 263 263 0 8 0 ffsino 272 62206 0 58015 283 3 280 280 0 8 0 nchpl 144 115102 0 111909 119 0 119 119 0 8 0 uvmvnodes 80 10740 0 0 220 0 220 220 0 8 0 vnodes 216 10740 0 0 597 0 597 597 0 8 0 namei 1024 497116 0 497115 57 56 1 2 0 8 0 percpumem 16 755 0 709 1 0 1 1 0 8 0 kstatmem 264 1440 0 1418 2 0 2 2 0 8 0 scxspl 216 493471 0 493470 120 119 1 8 1 8 0 plimitpl 152 16666 0 16640 2 0 2 2 0 8 0 sigapl 424 46756 0 46694 16 8 8 9 0 8 0 futexpl 64 565221 0 565216 34 33 1 1 0 8 0 knotepl 120 2521 0 0 26 0 26 26 0 8 0 kqueuepl 216 15206 0 15195 120 117 3 8 0 8 2 pipepl 320 9412 0 9379 97 93 4 11 0 8 0 fdescpl 496 46737 0 46694 20 12 8 8 0 8 0 filepl 152 347034 0 346743 201 186 15 31 0 8 0 lockfpl 104 13190 0 13186 9 8 1 2 0 8 0 lockfspl 48 4016 0 4012 1 0 1 1 0 8 0 sessionpl 144 1066 0 1048 1 0 1 1 0 8 0 pgrppl 48 3225 0 3199 1 0 1 1 0 8 0 ucredpl 104 68619 0 68600 1 0 1 1 0 8 0 zombiepl 144 46697 0 46694 1 0 1 1 0 8 0 processpl 1160 46756 0 46694 8 2 6 6 0 8 0 procpl 648 110282 0 110210 11 3 8 8 0 8 0 srpgc 96 39 0 39 19 19 0 1 0 8 0 sosppl 168 610 0 609 41 40 1 1 0 8 0 sockpl 664 128694 0 128547 511 490 21 37 0 8 0 mcl64k 65536 51 0 0 5 0 5 5 0 8 0 mcl16k 16384 5 0 0 1 0 1 1 0 8 0 mcl12k 12288 6 0 0 1 0 1 1 0 8 0 mcl9k 9216 5 0 0 1 0 1 1 0 8 0 mcl8k 8192 19 0 0 3 0 3 3 0 8 0 mcl4k 4096 261 0 0 18 5 13 18 0 8 0 mcl2k2 2112 6 0 0 1 0 1 1 0 8 0 mcl2k 2048 654 0 0 23 7 16 16 0 8 0 mtagpl 96 17 0 0 1 0 1 1 0 8 0 mbufpl 256 3034 0 0 88 0 88 88 0 8 0 bufpl 280 81834 0 71079 769 0 769 769 0 8 0 anonpl 24 5556527 0 5548121 441 364 77 100 0 185 0 amapchunkpl 152 1345283 0 1344438 398 350 48 55 0 158 10 amappl16 200 122816 0 122675 557 536 21 33 0 8 8 amappl15 192 19 0 19 10 10 0 1 0 8 0 amappl14 184 2222 0 2209 1 0 1 1 0 8 0 amappl13 176 42 0 42 25 25 0 1 0 8 0 amappl12 168 59050 0 59005 6 3 3 3 0 8 0 amappl11 160 50 0 39 1 0 1 1 0 8 0 amappl10 152 6 0 5 2 1 1 1 0 8 0 amappl9 144 127 0 126 3 2 1 1 0 8 0 amappl8 136 25 0 23 1 0 1 1 0 8 0 amappl7 128 1915 0 1902 1 0 1 1 0 8 0 amappl6 120 7179 0 7175 1 0 1 1 0 8 0 amappl5 112 3283 0 3273 1 0 1 1 0 8 0 amappl4 104 3866 0 3847 1 0 1 1 0 8 0 amappl3 96 276713 0 276555 7 2 5 5 0 8 0 amappl2 88 14580 0 14508 3 0 3 3 0 8 0 amappl1 80 280244 0 279644 41 21 20 23 0 8 0 amappl 88 401352 0 401101 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 72 138 0 8 3 0 3 3 0 8 0 uaddrrnd 24 46737 0 46694 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 46737 0 46694 1 0 1 1 0 8 0 vmmpekpl 168 416055 0 416002 8 4 4 5 0 8 0 vmmpepl 168 2899550 0 2897153 464 344 120 143 0 357 3 vmsppl 440 46736 0 46694 13 7 6 7 0 8 0 rwobjpl 56 753799 0 741786 205 29 176 177 0 8 0 pdppl 4096 93481 0 93388 1866 1769 97 125 0 8 4 pvpl 32 49017 0 0 388 0 388 388 0 265 0 pmappl 248 46736 0 46694 7 3 4 4 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 3504 0 2666 25 0 25 25 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff8345fff0) 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(ffffffff834ff048) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff834ff048) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff8000371cf0e0,ffff800000079f80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f uvm_map_protect(fffffd807987d898,39afc53000,39afe53000,3,0,0,cdb20045d01ed49d) at uvm_map_protect+0x12a uvm_map_entrybyaddr sys/uvm/uvm_map.c:528 [inline] uvm_map_protect(fffffd807987d898,39afc53000,39afe53000,3,0,0,cdb20045d01ed49d) at uvm_map_protect+0x12a sys/uvm/uvm_map.c:3065 sys_mprotect(ffff80002f17f988,ffff8000371cf3a0,ffff8000371cf2f0) at sys_mprotect+0x34c sys/uvm/uvm_mmap.c:585 syscall(ffff8000371cf3a0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000371cf3a0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x741b7b393810, count: 5 ddb{0}> trace x86_ipi_db(ffffffff8345fff0) 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(ffffffff834ff048) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff834ff048) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff8000371cf0e0,ffff800000079f80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f uvm_map_protect(fffffd807987d898,39afc53000,39afe53000,3,0,0,cdb20045d01ed49d) at uvm_map_protect+0x12a uvm_map_entrybyaddr sys/uvm/uvm_map.c:528 [inline] uvm_map_protect(fffffd807987d898,39afc53000,39afe53000,3,0,0,cdb20045d01ed49d) at uvm_map_protect+0x12a sys/uvm/uvm_map.c:3065 sys_mprotect(ffff80002f17f988,ffff8000371cf3a0,ffff8000371cf2f0) at sys_mprotect+0x34c sys/uvm/uvm_mmap.c:585 syscall(ffff8000371cf3a0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000371cf3a0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x741b7b393810, count: -10 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(ffffffff83076ff4) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(fffffd807987d988,1,0) at witness_checkorder+0x1113 sys/kern/subr_witness.c:843 rw_enter(fffffd807987d978,2) at rw_enter+0x122 uvmfault_lookup(ffff80002c7566d0,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff80002c7566d0,ffff80002c756708,ffff80002c756730) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(fffffd807987d898,20000000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff80002c756870,200001e8) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff80002c756870) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x62 kern_sysctl(ffff80002c756bf4,5,20000100,ffff80002c756c28,0,37,dec15ca7b438e7f4) at kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 sys_sysctl(ffff80002f17f478,ffff80002c756d60,ffff80002c756cb0) at sys_sysctl+0x422 syscall(ffff80002c756d60) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002c756d60) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 end trace frame: 0xffff80002c756de0, count: 0 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff83076ff4) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(fffffd807987d988,1,0) at witness_checkorder+0x1113 sys/kern/subr_witness.c:843 rw_enter(fffffd807987d978,2) at rw_enter+0x122 uvmfault_lookup(ffff80002c7566d0,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff80002c7566d0,ffff80002c756708,ffff80002c756730) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(fffffd807987d898,20000000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff80002c756870,200001e8) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff80002c756870) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x62 kern_sysctl(ffff80002c756bf4,5,20000100,ffff80002c756c28,0,37,dec15ca7b438e7f4) at kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 sys_sysctl(ffff80002f17f478,ffff80002c756d60,ffff80002c756cb0) at sys_sysctl+0x422 syscall(ffff80002c756d60) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002c756d60) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x39e3cc2e00, count: -15