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 * 2237 82369 32767 0x10 0x4000000 0 syz-executor 329618 82369 32767 0x10 0x4000000 1 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830781b8) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(fffffd805c1b2eb8,1,0) at witness_checkorder+0x1113 sys/kern/subr_witness.c:843 rw_enter(fffffd805c1b2ea8,2) at rw_enter+0x122 uvmfault_lookup(ffff800033c32c30,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff800033c32c30,ffff800033c32c68,ffff800033c32c90) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(fffffd805c1b2dc8,20000000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff800033c32dd0,20000188) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff800033c32dd0) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x62 kern_sysctl(ffff800033c33154,5,20000100,ffff800033c33188,0,37,3048baaec7bb77fc) at kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 sys_sysctl(ffff8000ffff6528,ffff800033c332c0,ffff800033c33210) at sys_sysctl+0x422 syscall(ffff800033c332c0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800033c332c0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 end trace frame: 0xffff800033c33340, 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(ffffffff830781b8) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(fffffd805c1b2eb8,1,0) at witness_checkorder+0x1113 sys/kern/subr_witness.c:843 rw_enter(fffffd805c1b2ea8,2) at rw_enter+0x122 uvmfault_lookup(ffff800033c32c30,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff800033c32c30,ffff800033c32c68,ffff800033c32c90) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(fffffd805c1b2dc8,20000000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff800033c32dd0,20000188) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff800033c32dd0) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x62 kern_sysctl(ffff800033c33154,5,20000100,ffff800033c33188,0,37,3048baaec7bb77fc) at kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 sys_sysctl(ffff8000ffff6528,ffff800033c332c0,ffff800033c33210) at sys_sysctl+0x422 syscall(ffff800033c332c0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800033c332c0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe5c75d43740, count: -15 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff800033c32830 rbx 0xffffffff8341bdcf cpu_info_full_primary+0x2dcf rdx 0 rcx 0xffff8000ffff6528 rax 0xffffffff8341aff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x6c5d852c68a2b6c8 r11 0x385659b6bab390af r12 0xffffffff8341bbd0 cpu_info_full_primary+0x2bd0 r13 0 r14 0 r15 0x1 rip 0xffffffff816bc715 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff800033c32820 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=2237 pid=82369 tcnt=4 stat=onproc flags process=10 proc=4000000 runpri=50, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000ffff7968,0xffff8000ffff71e0 process=0xffff800029fe96b0 user=0xffff800033c2e000, vmspace=0xfffffd805c1b2dc8 estcpu=36, cpticks=16, pctcpu=0.0, user=0, sys=16, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 82369 246164 67467 32767 2 0x10 syz-executor *82369 2237 67467 32767 7 0x4000010 syz-executor 82369 329618 67467 32767 7 0x4000010 syz-executor 82369 449888 67467 32767 3 0x4000090 fsleep syz-executor 82167 463790 71655 0 2 0 syz-executor 22305 103041 95250 32767 2 0x10 syz-executor 22305 258138 95250 32767 3 0x4000090 fsleep syz-executor 22305 22213 95250 32767 3 0x4000090 fsleep syz-executor 94676 144369 33394 32767 2 0x10 syz-executor 94676 228896 33394 32767 2 0x4000010 syz-executor 94676 214645 33394 32767 3 0x4000090 fsleep syz-executor 61227 113417 13212 32767 2 0x82010 syz-executor 61227 275469 13212 32767 4 0x4082010 syz-executor 61227 233759 13212 32767 3 0x4002010 suspend syz-executor 17254 96459 84634 32767 2 0x10 syz-executor 17254 523290 84634 32767 3 0x4000090 sbwait syz-executor 17254 519702 84634 32767 3 0x4000090 fsleep syz-executor 22369 73611 68549 32767 2 0x10 syz-executor 22369 501759 68549 32767 3 0x4000090 ttyin syz-executor 22369 425512 68549 32767 3 0x4000090 fsleep syz-executor 68549 49277 23082 32767 3 0x90 nanoslp syz-executor 23082 376777 71655 0 3 0x82 wait syz-executor 67467 38007 74865 32767 3 0x90 nanoslp syz-executor 74865 69562 71655 0 3 0x82 wait syz-executor 21029 13760 67754 32767 3 0x10 biowait syz-executor 67754 36686 71655 0 3 0x82 wait syz-executor 84634 104269 39069 32767 3 0x90 nanoslp syz-executor 39069 489518 71655 0 3 0x82 wait syz-executor 33394 233881 42164 32767 3 0x90 nanoslp syz-executor 42164 67282 71655 0 3 0x82 wait syz-executor 95250 484696 30981 32767 3 0x90 nanoslp syz-executor 30981 1205 71655 0 3 0x82 wait syz-executor 86956 363465 40866 0 3 0x82 netio sshd-session 91884 106984 40866 0 3 0x82 netio sshd-session 13212 305808 1239 32767 3 0x90 nanoslp syz-executor 1239 313298 71655 0 3 0x82 wait syz-executor 42125 440508 0 0 3 0x14200 bored sosplice 28157 105209 50514 0 3 0x100082 sbwait arp 50514 400656 10969 0 3 0x10008a sigsusp sh 10969 95661 1 0 3 0x80 wait syz-executor 71655 346556 40097 0 2 0x2 syz-executor 40097 195048 94381 0 3 0x10008a sigsusp ksh 94381 391261 83325 0 3 0x98 kqread sshd-session 83325 62741 40866 0 3 0x92 kqread sshd-session 59242 464127 1 0 3 0x100083 ttyin getty 40866 202135 1 0 3 0x88 kqread sshd 59380 61883 64101 73 3 0x1100090 kqread syslogd 64101 21274 1 0 3 0x100082 sbwait syslogd 98663 509421 1 0 3 0x100080 kqread resolvd 50441 139917 81341 77 3 0x100092 kqread dhcpleased 28288 444341 81341 77 3 0x100092 kqread dhcpleased 81341 188940 1 0 3 0x80 kqread dhcpleased 29254 413292 0 0 3 0x14200 bored smr 19650 139969 0 0 2 0x14200 zerothread 58275 380923 0 0 3 0x14200 aiodoned aiodoned 11970 235175 0 0 3 0x14200 syncer update 40364 500417 0 0 3 0x14200 cleaner cleaner 29920 206014 0 0 3 0x14200 reaper reaper 24363 459300 0 0 3 0x14200 pgdaemon pagedaemon 87190 17078 0 0 3 0x14200 bored viomb 92139 45636 0 0 3 0x40014200 acpi0 acpi0 82840 502622 0 0 3 0x40014200 idle1 65504 375786 0 0 3 0x14200 bored softnet3 65250 27491 0 0 3 0x14200 bored softnet2 5932 92115 0 0 3 0x14200 bored softnet1 14992 520197 0 0 3 0x14200 bored softnet0 41057 339740 0 0 3 0x14200 bored systqmp 50411 380837 0 0 3 0x14200 bored systq 38338 339620 0 0 3 0x14200 tmoslp softclockmp 81166 516476 0 0 3 0x40014200 tmoslp softclock 21014 436887 0 0 3 0x40014200 idle0 1 30781 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 (0xffffffff83524d08) #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 82369 (syz-executor) thread 0xffff8000ffff6528 (2237) exclusive rwlock netlock r = 0 (0xffffffff8349cbb0) #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 (0xffffffff83523de8) #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 (0xffffffff8345ed50) #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 (0xffffffff83524d08) #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 82369 (syz-executor) thread 0xffff8000ffff71d0 (329618) exclusive rwlock amaplk r = 0 (0xfffffd8073ba5a58) #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 (0xfffffd805c1b2eb8) #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 17254 (syz-executor) thread 0xffff8000ffff6018 (523290) exclusive rwlock sbufrcv r = 0 (0xffff800001431d90) #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:947 #4 recvit+0x40a sys/kern/uipc_syscalls.c:1082 #5 sys_recvmmsg+0x3d3 sys/kern/uipc_syscalls.c:973 #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 21029 (syz-executor) thread 0xffff800033bd07e8 (13760) exclusive rrwlock inode r = 0 (0xfffffd80728cb1b0) #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 (0xfffffd807a40ec58) #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{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10226 11051K 11059K 166960K 13379 0 pcb 17 24K 28K 166960K 27 0 rtable 214 6K 7K 166960K 24626 0 pf 29 16K 16K 166960K 1423 0 ifaddr 38 14K 18K 166960K 2799 0 ifgroup 46 2K 2K 166960K 2822 0 sysctl 4 1K 5K 166960K 35 0 counters 62 36K 36K 166960K 1444 0 ioctlops 0 0K 2K 166960K 2022 0 iov 1 4K 40K 166960K 4261 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1470 92K 93K 166960K 18802 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 835 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 2371 0 dirhash 15 3K 4K 166960K 1059 0 ACPI 1690 195K 286K 166960K 12418 0 file desc 26 94K 169K 166960K 46071 0 sigio 0 0K 0K 166960K 1501 0 proc 58 79K 176K 166960K 23870 0 subproc 104 6K 13K 166960K 10725 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 10786 0 in_multi 88 6K 7K 166960K 9656 0 ether_multi 1 0K 0K 166960K 297 0 mrt 1 0K 0K 166960K 13 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 313 1394K 1394K 166960K 313 0 exec 0 0K 1K 166960K 18503 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 308 77K 140K 166960K 397121 0 UVM aobj 131 6K 7K 166960K 136 0 pinsyscall 52 104K 136K 166960K 67136 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 3196 0 NDP 10 0K 2K 166960K 2081 0 temp 75 6825K 6952K 166960K 300898 0 kqueue 13 20K 40K 166960K 7841 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 7543 0 7539 58 57 1 5 0 8 0 rtentry 112 8130 0 8030 16 12 4 4 0 8 0 unpcb 144 46338 0 46319 216 210 6 10 0 8 5 syncache 336 878 0 878 43 42 1 1 0 8 1 tcpqe 32 327 0 327 63 62 1 1 0 8 1 tcpcb 808 31801 0 31752 385 368 17 32 0 8 8 arp 120 1412 0 1396 1 0 1 1 0 8 0 ipq 40 250 0 249 4 3 1 1 0 8 0 ipqe 40 4079 0 4078 4 3 1 1 0 8 0 inpcb 336 70451 0 70399 421 405 16 30 0 8 7 ip6q 72 27 0 27 18 18 0 1 0 8 0 ip6af 40 54 0 54 18 18 0 1 0 8 0 nd6 136 2543 0 2521 8 7 1 2 0 8 0 kcovpl 48 825 0 817 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 33035 0 32615 226 196 30 34 0 8 0 art_table 32 33036 0 32615 12 7 5 5 0 8 0 art_node 16 8129 0 8038 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 2294 0 2284 1 0 1 1 0 8 0 shmpl 112 133 0 5 4 0 4 4 0 8 0 dirhash 1024 730 0 703 15 11 4 4 0 8 0 dino2pl 256 59231 0 55225 253 2 251 251 0 8 0 ffsino 272 59231 0 55225 269 1 268 268 0 8 0 nchpl 144 109817 0 106633 119 0 119 119 0 8 0 uvmvnodes 80 10841 0 0 222 0 222 222 0 8 0 vnodes 216 10841 0 0 603 0 603 603 0 8 0 namei 1024 472735 0 472734 64 63 1 2 0 8 0 percpumem 16 736 0 691 1 0 1 1 0 8 0 kstatmem 264 1402 0 1382 2 0 2 2 0 8 0 scxspl 216 431470 0 431469 107 104 3 8 1 8 2 plimitpl 152 14076 0 14053 3 1 2 2 0 8 0 sigapl 424 45166 0 45107 20 12 8 9 0 8 0 futexpl 64 552189 0 552183 40 39 1 1 0 8 0 knotepl 120 2175 0 0 25 0 25 25 0 8 0 kqueuepl 216 16099 0 16089 142 137 5 8 0 8 4 pipepl 320 9813 0 9778 131 122 9 9 0 8 4 fdescpl 496 45147 0 45107 16 10 6 8 0 8 0 filepl 152 334323 0 334062 267 246 21 26 0 8 7 lockfpl 104 12778 0 12776 8 6 2 3 0 8 1 lockfspl 48 3695 0 3693 1 0 1 1 0 8 0 sessionpl 144 1161 0 1143 1 0 1 1 0 8 0 pgrppl 48 2799 0 2774 1 0 1 1 0 8 0 ucredpl 104 60807 0 60789 1 0 1 1 0 8 0 zombiepl 144 45107 0 45107 1 0 1 1 0 8 1 processpl 1160 45166 0 45107 8 3 5 6 0 8 0 procpl 648 106025 0 105953 11 3 8 8 0 8 0 srpgc 96 26 0 26 13 13 0 1 0 8 0 sosppl 168 589 0 585 29 28 1 1 0 8 0 sockpl 664 125294 0 125216 575 556 19 32 0 8 4 mcl64k 65536 88 0 0 4 1 3 4 0 8 0 mcl16k 16384 17 0 0 3 0 3 3 0 8 0 mcl12k 12288 3 0 0 1 0 1 1 0 8 0 mcl9k 9216 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 33 0 0 4 1 3 3 0 8 0 mcl4k 4096 332 0 0 19 5 14 19 0 8 0 mcl2k2 2112 7 0 0 1 0 1 1 0 8 0 mcl2k 2048 646 0 0 16 9 7 7 0 8 0 mtagpl 96 20 0 0 1 0 1 1 0 8 0 mbufpl 256 10001 0 0 563 0 563 563 0 8 0 bufpl 280 79206 0 68359 775 0 775 775 0 8 0 anonpl 24 5408432 0 5396598 451 365 86 125 0 185 0 amapchunkpl 152 1305513 0 1304585 452 402 50 53 0 158 12 amappl16 200 116521 0 116309 599 577 22 46 0 8 8 amappl15 192 31 0 31 17 17 0 1 0 8 0 amappl14 184 2403 0 2390 1 0 1 1 0 8 0 amappl13 176 43 0 43 21 21 0 1 0 8 0 amappl12 168 57219 0 57178 3 0 3 3 0 8 0 amappl11 160 56 0 45 1 0 1 1 0 8 0 amappl10 152 11 0 10 2 1 1 1 0 8 0 amappl9 144 147 0 146 2 1 1 1 0 8 0 amappl8 136 22 0 20 1 0 1 1 0 8 0 amappl7 128 1962 0 1948 1 0 1 1 0 8 0 amappl6 120 7032 0 7029 1 0 1 1 0 8 0 amappl5 112 3328 0 3316 1 0 1 1 0 8 0 amappl4 104 4254 0 4235 1 0 1 1 0 8 0 amappl3 96 266022 0 265878 7 2 5 5 0 8 0 amappl2 88 15584 0 15503 8 5 3 3 0 8 0 amappl1 80 301157 0 300429 40 22 18 19 0 8 0 amappl 88 386201 0 385963 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 72 135 0 5 3 0 3 3 0 8 0 uaddrrnd 24 45147 0 45107 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 45147 0 45107 1 0 1 1 0 8 0 vmmpekpl 168 414561 0 414492 6 1 5 5 0 8 0 vmmpepl 168 2880285 0 2877542 503 376 127 139 0 357 4 vmsppl 440 45146 0 45107 18 12 6 7 0 8 0 rwobjpl 56 753741 0 741441 225 48 177 177 0 8 0 pdppl 4096 90301 0 90214 1840 1745 95 119 0 8 8 pvpl 32 48330 0 0 389 0 389 389 0 265 0 pmappl 248 45146 0 45107 6 3 3 4 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 4129 0 2851 37 0 37 37 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(ffffffff830781b8) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(fffffd805c1b2eb8,1,0) at witness_checkorder+0x1113 sys/kern/subr_witness.c:843 rw_enter(fffffd805c1b2ea8,2) at rw_enter+0x122 uvmfault_lookup(ffff800033c32c30,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff800033c32c30,ffff800033c32c68,ffff800033c32c90) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(fffffd805c1b2dc8,20000000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff800033c32dd0,20000188) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff800033c32dd0) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x62 kern_sysctl(ffff800033c33154,5,20000100,ffff800033c33188,0,37,3048baaec7bb77fc) at kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 sys_sysctl(ffff8000ffff6528,ffff800033c332c0,ffff800033c33210) at sys_sysctl+0x422 syscall(ffff800033c332c0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800033c332c0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe5c75d43740, 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 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0xf sys/dev/kcov.c:154 syscall(ffff800033bff030) at syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800033bff030) at syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe5bebca86b0, count: 9 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 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0xf sys/dev/kcov.c:154 syscall(ffff800033bff030) at syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800033bff030) at syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe5bebca86b0, count: -6