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 * 3874 66467 32767 0x10 0x4000000 1 syz-executor 6505 66467 32767 0x10 0x4000000 0 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff83074cb8) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(fffffd8061ba10f8,1,0) at witness_checkorder+0x1113 sys/kern/subr_witness.c:843 rw_enter(fffffd8061ba10e8,2) at rw_enter+0x122 uvmfault_lookup(ffff80002d374350,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff80002d374350,ffff80002d374388,ffff80002d3743b0) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(fffffd8061ba1008,20000000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff80002d3744f0,20000114) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff80002d3744f0) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x62 kern_sysctl(ffff80002d374874,5,20000100,ffff80002d3748a8,0,37,148ec3e353872d52) at kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 sys_sysctl(ffff8000371d82b0,ffff80002d3749e0,ffff80002d374930) at sys_sysctl+0x422 syscall(ffff80002d3749e0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002d3749e0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 end trace frame: 0xffff80002d374a60, 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(ffffffff83074cb8) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(fffffd8061ba10f8,1,0) at witness_checkorder+0x1113 sys/kern/subr_witness.c:843 rw_enter(fffffd8061ba10e8,2) at rw_enter+0x122 uvmfault_lookup(ffff80002d374350,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff80002d374350,ffff80002d374388,ffff80002d3743b0) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(fffffd8061ba1008,20000000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff80002d3744f0,20000114) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff80002d3744f0) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x62 kern_sysctl(ffff80002d374874,5,20000100,ffff80002d3748a8,0,37,148ec3e353872d52) at kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 sys_sysctl(ffff8000371d82b0,ffff80002d3749e0,ffff80002d374930) at sys_sysctl+0x422 syscall(ffff80002d3749e0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002d3749e0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7b9bb8630f0, count: -15 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002d373f50 rbx 0xffff800029b7cdbf rdx 0 rcx 0xffff8000371d82b0 rax 0xffff800029b7bff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x60f5649326ec8f3 r11 0x52b5ce8d02c5190d r12 0xffff800029b7cbc0 r13 0 r14 0 r15 0x1 rip 0xffffffff82fb1b75 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002d373f40 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=3874 pid=66467 tcnt=3 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=0xffff8000371d96f0,0xffff8000371d9c10 process=0xffff8000371cf660 user=0xffff80002d36f000, vmspace=0xfffffd8061ba1008 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 66467 237544 72800 32767 2 0x10 syz-executor *66467 3874 72800 32767 7 0x4000010 syz-executor 66467 6505 72800 32767 7 0x4000010 syz-executor 98440 332248 92637 32767 2 0x10 syz-executor 98440 475172 92637 32767 3 0x4000090 ttyout syz-executor 98440 413030 92637 32767 2 0x4000010 syz-executor 36082 252716 9334 32767 2 0x10 syz-executor 36082 360433 9334 32767 2 0x4000010 syz-executor 21532 435008 66320 32767 3 0x90 nanoslp syz-executor 21532 264866 66320 32767 3 0x4000090 kqsel syz-executor 21532 282120 66320 32767 3 0x4000090 fsleep syz-executor 21532 94648 66320 32767 3 0x4000090 fsleep syz-executor 72800 411022 33294 32767 3 0x90 nanoslp syz-executor 64640 83309 30051 32767 2 0x10 syz-executor 64640 149541 30051 32767 3 0x4000090 fsleep syz-executor 64640 266193 30051 32767 3 0x4000090 sbwait syz-executor 33294 364927 89846 0 3 0x82 wait syz-executor 75273 141095 38128 32767 2 0x10 syz-executor 75273 334697 38128 32767 3 0x4000090 ttyin syz-executor 75273 355880 38128 32767 3 0x4000090 fsleep syz-executor 66320 314493 44739 32767 3 0x90 nanoslp syz-executor 44739 24048 89846 0 3 0x82 wait syz-executor 68203 236142 74653 32767 2 0x10 syz-executor 74653 468004 89846 0 3 0x82 wait syz-executor 38128 207031 68431 32767 3 0x90 nanoslp syz-executor 68431 287640 89846 0 3 0x82 wait syz-executor 30051 164518 49862 32767 3 0x90 nanoslp syz-executor 49862 403451 89846 0 3 0x82 wait syz-executor 9334 459710 77132 32767 3 0x90 nanoslp syz-executor 77132 391547 89846 0 3 0x82 wait syz-executor 92637 477278 28106 32767 3 0x90 nanoslp syz-executor 28106 197106 89846 0 3 0x82 wait syz-executor 31235 134506 97038 32767 3 0x10 biowait syz-executor 97038 287618 89846 0 3 0x82 wait syz-executor 52002 11082 87115 0 3 0x100082 sbwait arp 87115 372288 93400 0 3 0x10008a sigsusp sh 93400 395838 1 0 3 0x80 wait syz-executor 18838 432417 97532 0 3 0x100082 sbwait ndp 97532 177731 80587 0 3 0x10008a sigsusp sh 80587 218387 1 0 3 0x80 wait syz-executor 13172 252539 35496 0 3 0x100082 sbwait arp 35496 250342 9861 0 3 0x10008a sigsusp sh 9861 210450 1 0 3 0x80 wait syz-executor 5082 411002 0 0 3 0x14200 bored sosplice 89846 324819 84043 0 3 0x82 kqread syz-executor 84043 386163 7181 0 3 0x10008a sigsusp ksh 7181 18696 99409 0 3 0x98 kqread sshd-session 99409 276564 70019 0 3 0x92 kqread sshd-session 55494 304617 1 0 3 0x100083 ttyin getty 70019 225778 1 0 3 0x88 kqread sshd 18782 26776 65067 73 3 0x1100090 kqread syslogd 65067 33977 1 0 3 0x100082 sbwait syslogd 57840 257022 1 0 3 0x100080 kqread resolvd 90578 110874 23347 77 3 0x100092 kqread dhcpleased 41093 367194 23347 77 3 0x100092 kqread dhcpleased 23347 432384 1 0 3 0x80 kqread dhcpleased 69689 481431 0 0 3 0x14200 bored smr 17043 240589 0 0 2 0x14200 zerothread 84581 198780 0 0 3 0x14200 aiodoned aiodoned 29817 44752 0 0 3 0x14200 syncer update 85034 24521 0 0 3 0x14200 cleaner cleaner 25482 59248 0 0 3 0x14200 reaper reaper 49054 23672 0 0 3 0x14200 pgdaemon pagedaemon 8662 482314 0 0 3 0x14200 bored viomb 57604 474512 0 0 3 0x40014200 acpi0 acpi0 79632 359438 0 0 3 0x40014200 idle1 43187 308738 0 0 3 0x14200 bored softnet3 10902 176682 0 0 3 0x14200 bored softnet2 86702 109542 0 0 3 0x14200 bored softnet1 95273 161283 0 0 3 0x14200 bored softnet0 28880 282705 0 0 3 0x14200 bored systqmp 45385 163956 0 0 3 0x14200 bored systq 71800 123415 0 0 3 0x14200 tmoslp softclockmp 18357 295691 0 0 3 0x40014200 tmoslp softclock 99840 470873 0 0 3 0x40014200 idle0 1 365633 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 (0xffffffff8353c308) #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 66467 (syz-executor) thread 0xffff8000371d82b0 (3874) exclusive rwlock netlock r = 0 (0xffffffff834b12c0) #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 (0xffffffff83538ca0) #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 (0xffffffff834bab50) #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 (0xffffffff8353c308) #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 66467 (syz-executor) thread 0xffff8000371d9c00 (6505) exclusive rwlock vmmaplk r = 0 (0xfffffd8061ba10f8) #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 31235 (syz-executor) thread 0xffff80002d97c040 (134506) exclusive rrwlock inode r = 0 (0xfffffd8048091b40) #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:673 #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 (0xfffffd807c1bf5e8) #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{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10216 11051K 11059K 166960K 12646 0 pcb 17 22K 24K 166960K 25 0 rtable 244 6K 7K 166960K 15411 0 pf 31 16K 16K 166960K 941 0 ifaddr 42 11K 11K 166960K 1847 0 ifgroup 50 2K 2K 166960K 1860 0 sysctl 4 1K 5K 166960K 17 0 counters 64 36K 36K 166960K 964 0 ioctlops 0 0K 2K 166960K 884 0 iov 1 16K 24K 166960K 1699 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1495 94K 94K 166960K 12915 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 13K 166960K 386 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 1085 0 dirhash 15 2K 4K 166960K 471 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 33 125K 193K 166960K 23799 0 sigio 0 0K 0K 166960K 655 0 proc 58 79K 176K 166960K 15007 0 subproc 143 8K 14K 166960K 7956 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 5346 0 in_multi 99 7K 8K 166960K 5850 0 ether_multi 1 0K 0K 166960K 131 0 mrt 1 0K 0K 166960K 6 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 265 1182K 1182K 166960K 265 0 exec 0 0K 1K 166960K 9998 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 314 100K 156K 166960K 196614 0 UVM aobj 131 4K 8K 166960K 136 0 pinsyscall 57 114K 152K 166960K 37338 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 1800 0 NDP 13 0K 2K 166960K 1370 0 temp 88 6825K 6953K 166960K 159230 0 kqueue 13 20K 36K 166960K 3371 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 3955 0 3948 29 27 2 5 0 8 1 rtentry 112 5256 0 5141 21 17 4 4 0 8 0 unpcb 144 20322 0 20298 134 132 2 10 0 8 0 syncache 336 376 0 376 36 35 1 1 0 8 1 tcpqe 32 210 0 210 34 33 1 1 0 8 1 tcpcb 808 13706 0 13632 177 162 15 17 0 8 7 arp 120 929 0 911 1 0 1 1 0 8 0 ipq 40 98 0 94 5 4 1 1 0 8 0 ipqe 40 1761 0 1756 5 4 1 1 0 8 0 inpcb 336 31695 0 31618 248 235 13 19 0 8 5 ip6q 72 2 0 2 2 2 0 1 0 8 0 ip6af 40 4 0 4 2 2 0 1 0 8 0 nd6 136 1572 0 1543 4 2 2 2 0 8 0 kcovpl 48 612 0 601 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 21099 0 20628 183 153 30 34 0 8 0 art_table 32 21100 0 20628 10 6 4 5 0 8 0 art_node 16 5255 0 5150 1 0 1 1 0 8 0 sysvmsgpl 40 16 0 8 1 0 1 1 0 8 0 semupl 112 2 0 2 2 2 0 1 0 8 0 semapl 112 1079 0 1069 1 0 1 1 0 8 0 shmpl 112 133 0 5 4 0 4 4 0 8 0 dirhash 1024 330 0 307 19 15 4 4 0 8 1 dino2pl 256 29294 0 26247 192 1 191 191 0 8 0 ffsino 272 29294 0 26247 206 2 204 204 0 8 0 nchpl 144 52942 0 50132 106 1 105 105 0 8 0 uvmvnodes 80 9758 0 0 200 0 200 200 0 8 0 vnodes 216 9758 0 0 543 0 543 543 0 8 0 namei 1024 244215 0 244215 50 49 1 2 0 8 1 percpumem 16 496 0 450 1 0 1 1 0 8 0 kstatmem 264 922 0 900 3 1 2 2 0 8 0 scxspl 216 278918 0 278917 82 80 2 8 1 8 1 plimitpl 152 7516 0 7487 2 0 2 2 0 8 0 sigapl 424 23046 0 22981 19 11 8 10 0 8 0 futexpl 64 247920 0 247916 27 26 1 1 0 8 0 knotepl 120 1746 0 0 27 1 26 26 0 8 0 kqueuepl 216 8120 0 8107 102 97 5 7 0 8 4 pipepl 320 5005 0 4969 47 43 4 9 0 8 0 fdescpl 496 23027 0 22982 17 9 8 8 0 8 0 filepl 152 161540 0 161225 131 115 16 26 0 8 0 lockfpl 104 6318 0 6316 5 4 1 2 0 8 0 lockfspl 48 1851 0 1849 1 0 1 1 0 8 0 sessionpl 144 642 0 623 1 0 1 1 0 8 0 pgrppl 48 1726 0 1699 1 0 1 1 0 8 0 ucredpl 104 31992 0 31973 1 0 1 1 0 8 0 zombiepl 144 22982 0 22981 1 0 1 1 0 8 0 processpl 1160 23046 0 22981 6 0 6 6 0 8 0 procpl 648 51433 0 51356 10 2 8 8 0 8 0 srpgc 96 41 0 41 18 18 0 1 0 8 0 sosppl 168 247 0 246 24 23 1 1 0 8 0 sockpl 664 56379 0 56271 320 305 15 26 0 8 2 mcl64k 65536 33 0 0 3 0 3 3 0 8 0 mcl16k 16384 6 0 0 1 0 1 1 0 8 0 mcl12k 12288 4 0 0 1 0 1 1 0 8 0 mcl9k 9216 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 26 0 0 3 0 3 3 0 8 0 mcl4k 4096 245 0 0 17 2 15 17 0 8 0 mcl2k2 2112 5 0 0 1 0 1 1 0 8 0 mcl2k 2048 445 0 0 11 5 6 6 0 8 0 mtagpl 96 6 0 0 1 0 1 1 0 8 0 mbufpl 256 15625 0 0 973 0 973 973 0 8 0 bufpl 280 39737 0 29966 699 0 699 699 0 8 0 anonpl 24 2803590 0 2795389 352 276 76 103 0 185 1 amapchunkpl 152 645793 0 644970 258 211 47 50 0 158 10 amappl16 200 57650 0 57527 559 539 20 32 0 8 9 amappl15 192 11 0 11 4 4 0 1 0 8 0 amappl14 184 1355 0 1342 2 1 1 2 0 8 0 amappl13 176 22 0 21 1 0 1 1 0 8 0 amappl12 168 31109 0 31060 3 0 3 3 0 8 0 amappl11 160 48 0 37 1 0 1 1 0 8 0 amappl10 152 9 0 9 2 2 0 1 0 8 0 amappl9 144 149 0 148 2 1 1 1 0 8 0 amappl8 136 85 0 83 1 0 1 1 0 8 0 amappl7 128 1215 0 1200 1 0 1 1 0 8 0 amappl6 120 4646 0 4641 1 0 1 1 0 8 0 amappl5 112 2115 0 2105 1 0 1 1 0 8 0 amappl4 104 2332 0 2312 1 0 1 1 0 8 0 amappl3 96 129330 0 129174 8 3 5 5 0 8 0 amappl2 88 9011 0 8938 7 4 3 3 0 8 0 amappl1 80 148763 0 148146 32 10 22 26 0 8 0 amappl 88 190596 0 190348 8 1 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 23027 0 22982 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 23027 0 22982 1 0 1 1 0 8 0 vmmpekpl 168 173926 0 173856 6 1 5 5 0 8 0 vmmpepl 168 1435279 0 1432868 367 246 121 161 0 357 2 vmsppl 440 23026 0 22982 13 6 7 7 0 8 0 rwobjpl 56 383891 0 372836 195 31 164 166 0 8 0 pdppl 4096 46061 0 45964 1385 1282 103 131 0 8 6 pvpl 32 48079 0 0 380 0 380 380 0 265 0 pmappl 248 23026 0 22982 6 2 4 4 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 3508 0 1943 45 0 45 45 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83492ff0) 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+0x25 kd_curproc sys/dev/kcov.c:589 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x25 sys/dev/kcov.c:158 __mp_lock(ffffffff83538a98) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83538a98) at __mp_lock+0x1a3 sys/kern/kern_lock.c:144 intr_handler(ffff80003203f050,ffff800000079e00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge25_untramp() at Xintr_ioapic_edge25_untramp+0x18f __mp_lock(ffffffff83538a98) at __mp_lock+0x19e __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83538a98) at __mp_lock+0x19e sys/kern/kern_lock.c:144 sysctl_vslock(0,0) at sysctl_vslock+0x80 sys/kern/kern_sysctl.c:181 sys_sysctl(ffff8000371d9c00,ffff80003203f320,ffff80003203f270) at sys_sysctl+0x395 sys/kern/kern_sysctl.c:287 syscall(ffff80003203f320) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80003203f320) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7b918ce8840, count: 3 ddb{0}> trace x86_ipi_db(ffffffff83492ff0) 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+0x25 kd_curproc sys/dev/kcov.c:589 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x25 sys/dev/kcov.c:158 __mp_lock(ffffffff83538a98) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83538a98) at __mp_lock+0x1a3 sys/kern/kern_lock.c:144 intr_handler(ffff80003203f050,ffff800000079e00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge25_untramp() at Xintr_ioapic_edge25_untramp+0x18f __mp_lock(ffffffff83538a98) at __mp_lock+0x19e __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83538a98) at __mp_lock+0x19e sys/kern/kern_lock.c:144 sysctl_vslock(0,0) at sysctl_vslock+0x80 sys/kern/kern_sysctl.c:181 sys_sysctl(ffff8000371d9c00,ffff80003203f320,ffff80003203f270) at sys_sysctl+0x395 sys/kern/kern_sysctl.c:287 syscall(ffff80003203f320) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80003203f320) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7b918ce8840, count: -12 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(ffffffff83074cb8) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(fffffd8061ba10f8,1,0) at witness_checkorder+0x1113 sys/kern/subr_witness.c:843 rw_enter(fffffd8061ba10e8,2) at rw_enter+0x122 uvmfault_lookup(ffff80002d374350,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff80002d374350,ffff80002d374388,ffff80002d3743b0) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(fffffd8061ba1008,20000000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff80002d3744f0,20000114) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff80002d3744f0) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x62 kern_sysctl(ffff80002d374874,5,20000100,ffff80002d3748a8,0,37,148ec3e353872d52) at kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 sys_sysctl(ffff8000371d82b0,ffff80002d3749e0,ffff80002d374930) at sys_sysctl+0x422 syscall(ffff80002d3749e0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002d3749e0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 end trace frame: 0xffff80002d374a60, count: 0 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff83074cb8) at panic+0x1e5 sys/kern/subr_prf.c:198 witness_checkorder(fffffd8061ba10f8,1,0) at witness_checkorder+0x1113 sys/kern/subr_witness.c:843 rw_enter(fffffd8061ba10e8,2) at rw_enter+0x122 uvmfault_lookup(ffff80002d374350,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff80002d374350,ffff80002d374388,ffff80002d3743b0) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(fffffd8061ba1008,20000000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff80002d3744f0,20000114) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff80002d3744f0) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x62 kern_sysctl(ffff80002d374874,5,20000100,ffff80002d3748a8,0,37,148ec3e353872d52) at kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 sys_sysctl(ffff8000371d82b0,ffff80002d3749e0,ffff80002d374930) at sys_sysctl+0x422 syscall(ffff80002d3749e0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002d3749e0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7b9bb8630f0, count: -15