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 377353 81428 32767 0x10 0 1 syz-executor *118821 81428 32767 0x10 0x4000000 0 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff83071aa7) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(fffffd80553c09a0,1,0) at witness_checkorder+0x1113 sys/kern/subr_witness.c:843 rw_enter(fffffd80553c0990,2) at rw_enter+0x122 uvmfault_lookup(ffff8000371e12b0,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff8000371e12b0,ffff8000371e12e8,ffff8000371e1310) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(fffffd80553c08b0,20000000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff8000371e1450,20000100) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff8000371e1450) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x62 kern_sysctl(ffff8000371e17d4,5,20000100,ffff8000371e1808,0,37,f9dba0a7f4f893e6) at kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 sys_sysctl(ffff800031782fd0,ffff8000371e1940,ffff8000371e1890) at sys_sysctl+0x422 syscall(ffff8000371e1940) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000371e1940) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 end trace frame: 0xffff8000371e19c0, 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(ffffffff83071aa7) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(fffffd80553c09a0,1,0) at witness_checkorder+0x1113 sys/kern/subr_witness.c:843 rw_enter(fffffd80553c0990,2) at rw_enter+0x122 uvmfault_lookup(ffff8000371e12b0,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff8000371e12b0,ffff8000371e12e8,ffff8000371e1310) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(fffffd80553c08b0,20000000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff8000371e1450,20000100) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff8000371e1450) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x62 kern_sysctl(ffff8000371e17d4,5,20000100,ffff8000371e1808,0,37,f9dba0a7f4f893e6) at kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 sys_sysctl(ffff800031782fd0,ffff8000371e1940,ffff8000371e1890) at sys_sysctl+0x422 syscall(ffff8000371e1940) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000371e1940) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5e1530ea4b0, count: -15 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff8000371e0eb0 rbx 0xffffffff834f7dbf cpu_info_full_primary+0x2dbf rdx 0 rcx 0xffff800031782fd0 rax 0xffffffff834f6ff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x8bede22605b0ced1 r11 0xaa6a5d2d61b4eb0a r12 0xffffffff834f7bc0 cpu_info_full_primary+0x2bc0 r13 0 r14 0 r15 0x1 rip 0xffffffff81aacba5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff8000371e0ea0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=118821 pid=81428 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=0xffff8000317834e0,0xffff800031782338 process=0xffff8000371cf680 user=0xffff8000371dc000, vmspace=0xfffffd80553c08b0 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 94349 353313 92354 32767 2 0x10 syz-executor 94349 31993 92354 32767 3 0x4000090 fsleep syz-executor 94349 360502 92354 32767 3 0x4000090 fsleep syz-executor 81428 377353 92856 32767 7 0x10 syz-executor *81428 118821 92856 32767 7 0x4000010 syz-executor 81428 439643 92856 32767 3 0x4000090 fsleep syz-executor 81428 250561 92856 32767 2 0x4000090 syz-executor 6643 392139 87336 32767 3 0x90 nanoslp syz-executor 6643 334986 87336 32767 3 0x4000090 kqpoll syz-executor 6643 42770 87336 32767 3 0x4000090 fsleep syz-executor 93211 448386 69875 32767 3 0x90 nanoslp syz-executor 93211 5949 69875 32767 3 0x4000090 sbwait syz-executor 82439 253802 47616 32767 3 0x90 nanoslp syz-executor 82439 407144 47616 32767 3 0x4000090 ttyout syz-executor 82439 245170 47616 32767 3 0x4000090 fsleep syz-executor 82439 9019 47616 32767 3 0x4000090 fsleep syz-executor 5065 44561 59015 32767 3 0x90 wait syz-executor 59015 162752 70003 0 3 0x82 wait syz-executor 38308 157853 79946 32767 3 0x90 nanoslp syz-executor 79946 242917 70003 0 3 0x82 wait syz-executor 91127 490895 56252 32767 3 0x10 biowait syz-executor 56252 281230 70003 0 3 0x82 wait syz-executor 92354 416699 6998 32767 3 0x90 nanoslp syz-executor 6998 56756 70003 0 3 0x82 wait syz-executor 87336 247807 7407 32767 3 0x90 nanoslp syz-executor 7407 199046 70003 0 3 0x82 wait syz-executor 92856 318652 25206 32767 3 0x90 nanoslp syz-executor 25206 487423 70003 0 3 0x82 wait syz-executor 69875 296585 2184 32767 3 0x90 nanoslp syz-executor 2184 368618 70003 0 3 0x82 wait syz-executor 47616 241076 40098 32767 3 0x90 nanoslp syz-executor 40098 23027 70003 0 3 0x82 wait syz-executor 12558 259021 0 0 3 0x14200 bored sosplice 70003 391927 25399 0 3 0x82 kqread syz-executor 25399 366872 89186 0 3 0x10008a sigsusp ksh 89186 478523 12934 0 3 0x98 kqread sshd-session 12934 237667 68487 0 3 0x92 kqread sshd-session 94525 47720 1 0 3 0x100083 ttyin getty 68487 81961 1 0 3 0x88 kqread sshd 57856 75208 29284 73 3 0x1100090 kqread syslogd 29284 105231 1 0 3 0x100082 sbwait syslogd 48460 286238 1 0 3 0x100080 kqread resolvd 28251 4233 55828 77 3 0x100092 kqread dhcpleased 43966 382987 55828 77 3 0x100092 kqread dhcpleased 55828 478361 1 0 3 0x80 kqread dhcpleased 8030 172540 0 0 3 0x14200 bored smr 69718 521490 0 0 3 0x14200 pgzero zerothread 93147 185359 0 0 3 0x14200 aiodoned aiodoned 18007 239043 0 0 3 0x14200 syncer update 4027 298485 0 0 3 0x14200 cleaner cleaner 27668 259578 0 0 3 0x14200 reaper reaper 17691 330988 0 0 3 0x14200 pgdaemon pagedaemon 85145 499151 0 0 3 0x14200 bored viomb 44423 280284 0 0 3 0x40014200 acpi0 acpi0 17528 329874 0 0 3 0x40014200 idle1 22579 83919 0 0 3 0x14200 bored softnet3 5679 305288 0 0 3 0x14200 bored softnet2 88407 224576 0 0 3 0x14200 bored softnet1 13521 318432 0 0 3 0x14200 bored softnet0 95422 323518 0 0 3 0x14200 bored systqmp 57104 163507 0 0 3 0x14200 bored systq 17033 110919 0 0 3 0x14200 tmoslp softclockmp 37543 63167 0 0 3 0x40014200 tmoslp softclock 94461 78914 0 0 3 0x40014200 idle0 1 96494 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 (0xffffffff835dc708) #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 81428 (syz-executor) thread 0xffff800031782fd0 (118821) exclusive rwlock netlock r = 0 (0xffffffff834f0570) #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 (0xffffffff835c8320) #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 (0xffffffff83416340) #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 (0xffffffff835dc708) #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 81428 (syz-executor) thread 0xffff8000371e9c00 (439643) exclusive rwlock amaplk r = 0 (0xfffffd8056fb2e50) #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 (0xfffffd80553c09a0) #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 91127 (syz-executor) thread 0xffff80003719b780 (490895) exclusive rrwlock inode r = 0 (0xfffffd806290b920) #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 (0xfffffd806290b3d0) #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{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10239 11054K 11059K 166960K 15027 0 pcb 17 24K 26K 166960K 27 0 rtable 238 6K 7K 166960K 44300 0 pf 31 16K 16K 166960K 2514 0 ifaddr 42 23K 31K 166960K 5002 0 ifgroup 50 2K 2K 166960K 5005 0 sysctl 4 1K 5K 166960K 168 0 counters 64 36K 36K 166960K 2536 0 ioctlops 0 0K 2K 166960K 3189 0 iov 0 0K 40K 166960K 8210 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1470 92K 92K 166960K 34732 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 3 5K 13K 166960K 1680 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 2764 0 dirhash 27 5K 6K 166960K 2418 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 26 94K 185K 166960K 89625 0 sigio 0 0K 0K 166960K 3040 0 proc 58 79K 176K 166960K 42869 0 subproc 104 6K 13K 166960K 17407 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 20558 0 in_multi 99 7K 8K 166960K 17521 0 ether_multi 1 0K 0K 166960K 645 0 mrt 1 0K 0K 166960K 23 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 2K 166960K 32709 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 293 76K 140K 166960K 778588 0 UVM aobj 131 7K 11K 166960K 149 0 pinsyscall 46 92K 140K 166960K 124895 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 6712 0 NDP 11 0K 2K 166960K 3735 0 temp 76 6825K 6952K 166960K 548430 0 kqueue 15 24K 39K 166960K 15284 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 13774 0 13770 98 96 2 4 0 8 1 rtentry 112 14618 0 14506 12 8 4 4 0 8 0 unpcb 144 97610 0 97589 371 364 7 11 0 8 6 syncache 336 1826 0 1826 33 32 1 1 0 8 1 tcpqe 32 819 0 819 67 66 1 1 0 8 1 tcpcb 808 63602 0 63476 390 368 22 29 0 8 0 arp 120 2543 0 2525 1 0 1 1 0 8 0 ipq 40 555 0 551 7 6 1 1 0 8 0 ipqe 40 13973 0 13969 7 6 1 1 0 8 0 inpcb 336 137603 0 137468 459 440 19 33 0 8 0 ip6q 72 26 0 26 23 23 0 1 0 8 0 ip6af 40 51 0 51 23 23 0 1 0 8 0 nd6 136 4590 0 4564 19 17 2 2 0 8 1 kcovpl 48 1339 0 1331 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 58835 0 58372 249 217 32 33 0 8 1 art_table 32 58836 0 58372 15 10 5 5 0 8 0 art_node 16 14617 0 14515 1 0 1 1 0 8 0 sysvmsgpl 40 26 0 17 3 2 1 1 0 8 0 semapl 112 2760 0 2750 1 0 1 1 0 8 0 shmpl 112 146 0 18 4 0 4 4 0 8 0 dirhash 1024 1649 0 1609 33 27 6 6 0 8 1 dino2pl 256 120628 0 114127 407 0 407 407 0 8 0 ffsino 272 120628 0 114127 435 1 434 434 0 8 0 nchpl 144 221261 0 218010 121 0 121 121 0 8 0 uvmvnodes 80 13281 0 0 272 0 272 272 0 8 0 vnodes 216 13281 0 0 738 0 738 738 0 8 0 namei 1024 937174 0 937174 57 56 1 2 0 8 1 percpumem 16 1282 0 1236 1 0 1 1 0 8 0 kstatmem 264 2494 0 2472 2 0 2 2 0 8 0 scxspl 216 775679 0 775678 167 165 2 8 1 8 1 plimitpl 152 32772 0 32748 3 1 2 2 0 8 0 sigapl 424 87652 0 87596 32 24 8 10 0 8 0 futexpl 64 1094192 0 1094186 26 25 1 1 0 8 0 knotepl 120 2895 0 0 27 2 25 25 0 8 0 kqueuepl 216 31334 0 31322 250 247 3 12 0 8 2 pipepl 320 18193 0 18166 208 205 3 14 0 8 0 fdescpl 496 87633 0 87596 34 28 6 8 0 8 1 filepl 152 664903 0 664643 408 391 17 29 0 8 5 lockfpl 104 27962 0 27960 19 18 1 3 0 8 0 lockfspl 48 7821 0 7819 1 0 1 1 0 8 0 sessionpl 144 1688 0 1672 1 0 1 1 0 8 0 pgrppl 48 5511 0 5487 1 0 1 1 0 8 0 ucredpl 104 135330 0 135311 1 0 1 1 0 8 0 zombiepl 144 87598 0 87596 1 0 1 1 0 8 0 processpl 1160 87652 0 87596 6 1 5 6 0 8 0 procpl 648 210344 0 210277 24 17 7 8 0 8 0 srpgc 96 33 0 33 14 14 0 1 0 8 0 sosppl 168 1124 0 1109 9 8 1 1 0 8 0 sockpl 664 251323 0 251163 685 660 25 40 0 8 2 mcl64k 65536 155 0 0 7 0 7 7 0 8 0 mcl16k 16384 15 0 0 2 0 2 2 0 8 0 mcl12k 12288 6 0 0 1 0 1 1 0 8 0 mcl9k 9216 4 0 0 1 0 1 1 0 8 0 mcl8k 8192 31 0 0 4 2 2 3 0 8 0 mcl4k 4096 347 0 0 20 9 11 20 0 8 0 mcl2k2 2112 11 0 0 1 0 1 1 0 8 0 mcl2k 2048 977 0 0 23 16 7 11 0 8 0 mtagpl 96 19 0 0 1 0 1 1 0 8 0 mbufpl 256 9185 0 0 438 0 438 438 0 8 0 bufpl 280 145601 0 132307 950 0 950 950 0 8 0 anonpl 24 9951829 0 9939727 640 543 97 135 0 185 1 amapchunkpl 152 2560975 0 2560049 740 693 47 59 0 158 4 amappl16 200 225357 0 225095 986 962 24 47 0 8 6 amappl15 192 41 0 41 28 28 0 1 0 8 0 amappl14 184 3503 0 3492 1 0 1 1 0 8 0 amappl13 176 97 0 97 62 62 0 1 0 8 0 amappl12 168 108441 0 108403 6 3 3 3 0 8 0 amappl11 160 49 0 39 1 0 1 1 0 8 0 amappl10 152 14 0 13 2 1 1 1 0 8 0 amappl9 144 128 0 127 2 1 1 1 0 8 0 amappl8 136 19 0 16 1 0 1 1 0 8 0 amappl7 128 3041 0 3030 1 0 1 1 0 8 0 amappl6 120 12517 0 12514 1 0 1 1 0 8 0 amappl5 112 5515 0 5505 1 0 1 1 0 8 0 amappl4 104 5930 0 5913 1 0 1 1 0 8 0 amappl3 96 526326 0 526187 7 2 5 5 0 8 0 amappl2 88 23472 0 23407 3 0 3 3 0 8 0 amappl1 80 460928 0 460400 71 49 22 26 0 8 0 amappl 88 760178 0 759938 12 5 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 87633 0 87596 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 87633 0 87596 1 0 1 1 0 8 0 vmmpekpl 168 724483 0 724426 5 0 5 5 0 8 0 vmmpepl 168 5387685 0 5385390 712 594 118 151 0 357 3 vmsppl 440 87632 0 87596 14 9 5 7 0 8 0 rwobjpl 56 1343425 0 1328877 274 59 215 215 0 8 0 pdppl 4096 175273 0 175192 2271 2188 83 127 0 8 2 pvpl 32 45463 0 0 366 1 365 365 0 265 0 pmappl 248 87632 0 87596 7 4 3 4 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 4832 0 3358 43 0 43 43 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(ffffffff83071aa7) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(fffffd80553c09a0,1,0) at witness_checkorder+0x1113 sys/kern/subr_witness.c:843 rw_enter(fffffd80553c0990,2) at rw_enter+0x122 uvmfault_lookup(ffff8000371e12b0,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff8000371e12b0,ffff8000371e12e8,ffff8000371e1310) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(fffffd80553c08b0,20000000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff8000371e1450,20000100) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff8000371e1450) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x62 kern_sysctl(ffff8000371e17d4,5,20000100,ffff8000371e1808,0,37,f9dba0a7f4f893e6) at kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 sys_sysctl(ffff800031782fd0,ffff8000371e1940,ffff8000371e1890) at sys_sysctl+0x422 syscall(ffff8000371e1940) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000371e1940) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5e1530ea4b0, 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 end of kernel end trace frame: 0x710d54b2c5c0, count: 12 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 end of kernel end trace frame: 0x710d54b2c5c0, count: -3