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 178283 18875 32767 0x1010 0x2000 0K syz-executor *147379 18875 32767 0x1010 0x4080000 1 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff83070331) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(fffffd8073471998,1,0) at witness_checkorder+0x1113 sys/kern/subr_witness.c:843 rw_enter(fffffd8073471988,2) at rw_enter+0x122 uvmfault_lookup(ffff800030a4b740,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff800030a4b740,ffff800030a4b778,ffff800030a4b7a0) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(fffffd80734718a8,20000000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff800030a4b8e0,20000158) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff800030a4b8e0) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x62 kern_sysctl(ffff800030a4bc64,5,20000100,ffff800030a4bc98,0,37,f2a32e7f2383303) at kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 sys_sysctl(ffff80002af51c68,ffff800030a4bdd0,ffff800030a4bd20) at sys_sysctl+0x422 syscall(ffff800030a4bdd0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800030a4bdd0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 end trace frame: 0xffff800030a4be50, 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(ffffffff83070331) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(fffffd8073471998,1,0) at witness_checkorder+0x1113 sys/kern/subr_witness.c:843 rw_enter(fffffd8073471988,2) at rw_enter+0x122 uvmfault_lookup(ffff800030a4b740,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff800030a4b740,ffff800030a4b778,ffff800030a4b7a0) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(fffffd80734718a8,20000000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff800030a4b8e0,20000158) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff800030a4b8e0) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x62 kern_sysctl(ffff800030a4bc64,5,20000100,ffff800030a4bc98,0,37,f2a32e7f2383303) at kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 sys_sysctl(ffff80002af51c68,ffff800030a4bdd0,ffff800030a4bd20) at sys_sysctl+0x422 syscall(ffff800030a4bdd0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800030a4bdd0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xfd95e701780, count: -15 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff800030a4b340 rbx 0xffff800029b7cdbf rdx 0 rcx 0xffff80002af51c68 rax 0xffff800029b7bff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x291224a186d148dc r11 0x9bf9956551bd589b r12 0xffff800029b7cbc0 r13 0 r14 0 r15 0x1 rip 0xffffffff82a58d75 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff800030a4b330 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=147379 pid=18875 tcnt=5 stat=onproc flags process=1010 proc=4080000 runpri=36, usrpri=50, slppri=36, nice=20 wchan=0x0, wmesg=, ps_single=0xffff8000309ee5a8 scnt=4 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000309ee098,0xffff8000ffff6028 process=0xffff80002af38498 user=0xffff800030a46000, vmspace=0xfffffd80734718a8 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 18875 178283 63389 32767 7 0x3010 syz-executor 18875 518229 63389 32767 2 0x4081010 syz-executor *18875 147379 63389 32767 7 0x4081010 syz-executor 18875 446097 63389 32767 2 0x4081090 syz-executor 18875 39643 63389 32767 2 0x4081010 syz-executor 54515 8989 4815 32767 2 0x10 syz-executor 54515 240220 4815 32767 3 0x4000090 fsleep syz-executor 53385 438798 63395 32767 2 0x10 syz-executor 53385 232446 63395 32767 3 0x4000090 ttyin syz-executor 65652 54538 13485 32767 2 0x10 syz-executor 65652 238138 13485 32767 2 0x4000010 syz-executor 65652 444799 13485 32767 3 0x4000090 fsleep syz-executor 12709 247124 69752 32767 2 0x10 syz-executor 12709 482218 69752 32767 3 0x4000090 ttyout syz-executor 98366 462553 35370 32767 3 0x90 nanoslp syz-executor 98366 313332 35370 32767 3 0x4000090 sbwait syz-executor 63395 179083 19981 32767 3 0x90 nanoslp syz-executor 19981 389639 44122 0 3 0x82 wait syz-executor 35370 148408 3850 32767 3 0x90 nanoslp syz-executor 3850 327411 44122 0 3 0x82 wait syz-executor 4815 460533 70162 32767 3 0x90 nanoslp syz-executor 70162 512573 44122 0 3 0x82 wait syz-executor 63389 195238 10722 32767 3 0x90 nanoslp syz-executor 10722 380786 44122 0 3 0x82 wait syz-executor 18228 424848 35968 32767 3 0x90 nanoslp syz-executor 35968 130543 44122 0 3 0x82 wait syz-executor 13485 29342 7772 32767 3 0x90 nanoslp syz-executor 7772 91987 44122 0 3 0x82 wait syz-executor 52561 109322 57370 32767 3 0x90 wait syz-executor 57370 335733 44122 0 3 0x82 wait syz-executor 69752 251517 91108 32767 3 0x90 nanoslp syz-executor 91108 400570 44122 0 3 0x82 wait syz-executor 28319 309384 15528 0 3 0x82 netio sshd-session 62656 150537 38089 32767 3 0x3810 suspend syz-executor 62656 127975 38089 32767 4 0x4081810 syz-executor 38089 523523 1 32767 3 0x90 wait syz-executor 37542 379514 0 0 3 0x14200 bored sosplice 44122 175168 24749 0 3 0x82 kqread syz-executor 24749 408587 92353 0 3 0x10008a sigsusp ksh 92353 146660 88643 0 3 0x98 kqread sshd-session 88643 451184 15528 0 3 0x92 kqread sshd-session 87194 331005 1 0 3 0x100083 ttyin getty 15528 19788 1 0 3 0x88 kqread sshd 58446 129175 46299 73 3 0x1100090 kqread syslogd 46299 353139 1 0 3 0x100082 sbwait syslogd 71500 359221 1 0 3 0x100080 kqread resolvd 423 423587 80039 77 3 0x100092 kqread dhcpleased 14369 356405 80039 77 3 0x100092 kqread dhcpleased 80039 384602 1 0 3 0x80 kqread dhcpleased 82217 407238 0 0 3 0x14200 bored smr 64087 192865 0 0 2 0x14200 zerothread 88894 291520 0 0 3 0x14200 aiodoned aiodoned 17750 6875 0 0 3 0x14200 syncer update 92265 456859 0 0 3 0x14200 cleaner cleaner 9210 74895 0 0 3 0x14200 reaper reaper 11400 129297 0 0 3 0x14200 pgdaemon pagedaemon 36138 418016 0 0 3 0x14200 bored viomb 51136 117914 0 0 3 0x40014200 acpi0 acpi0 60973 360125 0 0 3 0x40014200 idle1 97594 443943 0 0 3 0x14200 bored softnet3 35827 120517 0 0 3 0x14200 bored softnet2 62126 244460 0 0 3 0x14200 bored softnet1 10596 457520 0 0 3 0x14200 bored softnet0 11797 285239 0 0 3 0x14200 bored systqmp 66535 478885 0 0 3 0x14200 bored systq 82678 376897 0 0 3 0x14200 tmoslp softclockmp 39109 57985 0 0 3 0x40014200 tmoslp softclock 73716 50543 0 0 3 0x40014200 idle0 1 352935 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 (0xffffffff835ae7f0) #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 18875 (syz-executor) thread 0xffff80002af51c68 (147379) exclusive rwlock netlock r = 0 (0xffffffff83443a80) #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 (0xffffffff8361e468) #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 sleep_finish+0x219 sys/kern/kern_synch.c:416 #4 rw_enter+0x348 sys/kern/kern_rwlock.c:285 #5 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 #6 uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 #7 uvm_fault+0x112 sys/uvm/uvm_fault.c:600 #8 uvm_fault_wire+0x73 sys/uvm/uvm_fault.c:1602 #9 sysctl_vslock+0x109 sys/kern/kern_sysctl.c:186 #10 kern_sysctl+0x1b3 sys/kern/kern_sysctl.c:498 #11 sys_sysctl+0x422 #12 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #12 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #13 Xsyscall+0x128 exclusive rwlock sysctllk r = 0 (0xffffffff8341ac70) #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 (0xffffffff835ae7f0) #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 18875 (syz-executor) thread 0xffff8000ffff6018 (446097) exclusive rwlock amaplk r = 0 (0xfffffd80504fab08) #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 (0xfffffd8073471998) #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 10218 11052K 11059K 166960K 13974 0 pcb 17 28K 30K 166960K 29 0 rtable 240 6K 7K 166960K 31937 0 pf 31 16K 16K 166960K 1830 0 ifaddr 42 15K 19K 166960K 3612 0 ifgroup 50 2K 2K 166960K 3633 0 sysctl 4 1K 5K 166960K 65 0 counters 64 36K 36K 166960K 1848 0 ioctlops 0 0K 2K 166960K 2086 0 iov 0 0K 36K 166960K 5374 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1469 92K 92K 166960K 24450 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 13K 166960K 1059 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 1493 0 dirhash 21 4K 5K 166960K 1509 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 29 106K 161K 166960K 62668 0 sigio 0 0K 0K 166960K 2665 0 proc 58 79K 176K 166960K 30660 0 subproc 117 7K 13K 166960K 13169 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 2 0K 0K 166960K 14523 0 in_multi 99 7K 7K 166960K 12504 0 ether_multi 1 0K 0K 166960K 421 0 mrt 2 0K 0K 166960K 15 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 22025 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 314 89K 133K 166960K 542434 0 UVM aobj 131 6K 8K 166960K 137 0 pinsyscall 51 102K 134K 166960K 88682 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 4 0K 1K 166960K 4495 0 NDP 13 0K 2K 166960K 2691 0 temp 80 6825K 6952K 166960K 363530 0 kqueue 16 26K 40K 166960K 10289 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 9067 0 9064 53 52 1 4 0 8 0 rtentry 112 10544 0 10431 10 6 4 4 0 8 0 unpcb 144 59655 0 59634 241 237 4 11 0 8 3 syncache 336 1257 0 1257 33 32 1 1 0 8 1 tcpqe 32 535 0 535 50 49 1 1 0 8 1 tcpcb 808 41440 0 41318 350 330 20 27 0 8 0 arp 120 1826 0 1807 1 0 1 1 0 8 0 ipq 40 289 0 287 6 5 1 1 0 8 0 ipqe 40 6536 0 6534 6 5 1 1 0 8 0 inpcb 336 93063 0 92930 381 362 19 28 0 8 0 ip6q 72 44 0 44 12 12 0 1 0 8 0 ip6af 40 88 0 88 12 12 0 1 0 8 0 nd6 136 3321 0 3295 15 14 1 2 0 8 0 kcovpl 48 1013 0 1004 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 42728 0 42262 255 225 30 33 0 8 0 art_table 32 42729 0 42262 14 10 4 5 0 8 0 art_node 16 10543 0 10440 1 0 1 1 0 8 0 sysvmsgpl 40 75 0 57 4 3 1 1 0 8 0 semapl 112 1487 0 1477 1 0 1 1 0 8 0 shmpl 112 134 0 6 5 1 4 4 0 8 0 dirhash 1024 1043 0 1007 34 29 5 5 0 8 0 dino2pl 256 82437 0 77524 310 2 308 308 0 8 0 ffsino 272 82437 0 77524 330 2 328 328 0 8 0 nchpl 144 152338 0 149115 120 0 120 120 0 8 0 uvmvnodes 80 11608 0 0 237 0 237 237 0 8 0 vnodes 216 11608 0 0 645 0 645 645 0 8 0 namei 1024 646922 0 646922 60 59 1 2 0 8 1 percpumem 16 938 0 892 1 0 1 1 0 8 0 kstatmem 264 1806 0 1784 2 0 2 2 0 8 0 scxspl 216 591092 0 591092 143 140 3 8 1 8 3 plimitpl 152 20662 0 20635 2 0 2 2 0 8 0 sigapl 424 61317 0 61257 28 20 8 9 0 8 0 futexpl 64 751936 0 751933 25 24 1 1 0 8 0 knotepl 120 2423 0 0 25 0 25 25 0 8 0 kqueuepl 216 22310 0 22298 193 190 3 8 0 8 2 pipepl 320 11843 0 11812 143 139 4 9 0 8 0 fdescpl 496 61298 0 61257 17 11 6 7 0 8 0 filepl 152 449183 0 448903 270 255 15 23 0 8 0 lockfpl 104 18121 0 18118 18 17 1 4 0 8 0 lockfspl 48 5354 0 5351 1 0 1 1 0 8 0 sessionpl 144 1296 0 1278 1 0 1 1 0 8 0 pgrppl 48 3862 0 3836 1 0 1 1 0 8 0 ucredpl 104 90222 0 90202 1 0 1 1 0 8 0 zombiepl 144 61259 0 61257 1 0 1 1 0 8 0 processpl 1160 61317 0 61257 19 13 6 6 0 8 0 procpl 648 145292 0 145221 21 14 7 8 0 8 0 srpgc 96 45 0 45 17 17 0 1 0 8 0 sosppl 168 837 0 829 21 20 1 1 0 8 0 sockpl 664 163345 0 163179 524 501 23 36 0 8 0 mcl64k 65536 105 0 0 7 0 7 7 0 8 0 mcl16k 16384 14 0 0 2 0 2 2 0 8 0 mcl12k 12288 10 0 0 1 0 1 1 0 8 0 mcl9k 9216 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 17 0 0 3 0 3 3 0 8 0 mcl4k 4096 312 0 0 18 2 16 18 0 8 0 mcl2k2 2112 6 0 0 1 0 1 1 0 8 0 mcl2k 2048 621 0 0 15 9 6 8 0 8 0 mtagpl 96 18 0 0 1 0 1 1 0 8 0 mbufpl 256 8987 0 0 445 0 445 445 0 8 0 bufpl 280 108260 0 96648 830 0 830 830 0 8 0 anonpl 24 7651179 0 7642327 777 696 81 104 0 185 1 amapchunkpl 152 1791989 0 1791077 590 547 43 59 0 158 1 amappl16 200 187426 0 187317 916 897 19 32 0 8 8 amappl15 192 19 0 19 10 10 0 1 0 8 0 amappl14 184 2738 0 2727 1 0 1 1 0 8 0 amappl13 176 57 0 57 39 39 0 1 0 8 0 amappl12 168 76548 0 76506 16 13 3 3 0 8 0 amappl11 160 74 0 62 1 0 1 1 0 8 0 amappl10 152 18 0 17 3 2 1 1 0 8 0 amappl9 144 164 0 163 2 1 1 1 0 8 0 amappl8 136 53 0 51 1 0 1 1 0 8 0 amappl7 128 2458 0 2446 1 0 1 1 0 8 0 amappl6 120 9053 0 9050 1 0 1 1 0 8 0 amappl5 112 4071 0 4060 1 0 1 1 0 8 0 amappl4 104 4618 0 4600 1 0 1 1 0 8 0 amappl3 96 365532 0 365380 7 2 5 5 0 8 0 amappl2 88 17845 0 17773 3 0 3 3 0 8 0 amappl1 80 347098 0 346460 52 34 18 26 0 8 0 amappl 88 528975 0 528723 9 2 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 72 136 0 6 3 0 3 3 0 8 0 uaddrrnd 24 61299 0 61258 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 61299 0 61258 1 0 1 1 0 8 0 vmmpekpl 168 523847 0 523791 8 3 5 5 0 8 0 vmmpepl 168 3775642 0 3773227 639 522 117 143 0 357 4 vmsppl 440 61298 0 61258 12 7 5 7 0 8 0 rwobjpl 56 993226 0 980369 260 73 187 188 0 8 0 pdppl 4096 122605 0 122516 2104 2013 91 117 0 8 2 pvpl 32 48334 0 0 388 0 388 388 0 265 0 pmappl 248 61298 0 61258 11 8 3 4 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 4351 0 3067 37 0 37 37 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff8348aff0) 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(ffffffff8361e260) at __mp_lock+0x140 sys/kern/kern_lock.c:144 __mp_acquire_count(ffffffff8361e260,1) at __mp_acquire_count+0x58 msleep(ffff80002af385f8,ffff80002af385a0,20,ffffffff830bb7c8,0) at msleep+0x204 single_thread_set(ffff8000309ee5a8,3) at single_thread_set+0x41e single_thread_wait sys/kern/kern_sig.c:2175 [inline] single_thread_set(ffff8000309ee5a8,3) at single_thread_set+0x41e sys/kern/kern_sig.c:2158 exit1(ffff8000309ee5a8,b,0,1) at exit1+0xa3 sys/kern/kern_exit.c:132 sys_exit(ffff8000309ee5a8,ffff8000309d50b0,ffff8000309d5000) at sys_exit+0x1a syscall(ffff8000309d50b0) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000309d50b0) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7160000f8560, count: 4 ddb{0}> trace x86_ipi_db(ffffffff8348aff0) 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(ffffffff8361e260) at __mp_lock+0x140 sys/kern/kern_lock.c:144 __mp_acquire_count(ffffffff8361e260,1) at __mp_acquire_count+0x58 msleep(ffff80002af385f8,ffff80002af385a0,20,ffffffff830bb7c8,0) at msleep+0x204 single_thread_set(ffff8000309ee5a8,3) at single_thread_set+0x41e single_thread_wait sys/kern/kern_sig.c:2175 [inline] single_thread_set(ffff8000309ee5a8,3) at single_thread_set+0x41e sys/kern/kern_sig.c:2158 exit1(ffff8000309ee5a8,b,0,1) at exit1+0xa3 sys/kern/kern_exit.c:132 sys_exit(ffff8000309ee5a8,ffff8000309d50b0,ffff8000309d5000) at sys_exit+0x1a syscall(ffff8000309d50b0) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000309d50b0) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7160000f8560, count: -11 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(ffffffff83070331) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(fffffd8073471998,1,0) at witness_checkorder+0x1113 sys/kern/subr_witness.c:843 rw_enter(fffffd8073471988,2) at rw_enter+0x122 uvmfault_lookup(ffff800030a4b740,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff800030a4b740,ffff800030a4b778,ffff800030a4b7a0) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(fffffd80734718a8,20000000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff800030a4b8e0,20000158) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff800030a4b8e0) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x62 kern_sysctl(ffff800030a4bc64,5,20000100,ffff800030a4bc98,0,37,f2a32e7f2383303) at kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 sys_sysctl(ffff80002af51c68,ffff800030a4bdd0,ffff800030a4bd20) at sys_sysctl+0x422 syscall(ffff800030a4bdd0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800030a4bdd0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 end trace frame: 0xffff800030a4be50, count: 0 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff83070331) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(fffffd8073471998,1,0) at witness_checkorder+0x1113 sys/kern/subr_witness.c:843 rw_enter(fffffd8073471988,2) at rw_enter+0x122 uvmfault_lookup(ffff800030a4b740,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff800030a4b740,ffff800030a4b778,ffff800030a4b7a0) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(fffffd80734718a8,20000000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff800030a4b8e0,20000158) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff800030a4b8e0) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x62 kern_sysctl(ffff800030a4bc64,5,20000100,ffff800030a4bc98,0,37,f2a32e7f2383303) at kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 sys_sysctl(ffff80002af51c68,ffff800030a4bdd0,ffff800030a4bd20) at sys_sysctl+0x422 syscall(ffff800030a4bdd0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800030a4bdd0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xfd95e701780, count: -15