*cpu0: uvm_fault(0xfffffd806b7da5d8, 0x0, 0, 1) -> e ddb{1}> trace proc_trampoline() at proc_trampoline+0xc7 end of kernel end trace frame: 0x782e98915540, count: -1 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff800034c15e20 rbx 0 rdx 0 rcx 0xffff80003c4587f0 rax 0x2a r8 0xffff800034c15d50 r9 0x1 r10 0x38d6a22c88eff847 r11 0xaa29b8869285eb73 r12 0 r13 0 r14 0 r15 0 rip 0xffffffff829da4c7 proc_trampoline+0xc7 cs 0x8 rflags 0x246 rsp 0xffff800034c15da0 ss 0 proc_trampoline+0xc7: movl $0,%gs:0x688 ddb{1}> show proc PROC (syz-executor) tid=1710 pid=94813 tcnt=2 stat=onproc flags process=0 proc=0 runpri=86, usrpri=86, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003c458d20,0xffff80003c459790 process=0xffff8000364261d0 user=0xffff800034c10000, vmspace=0xfffffd800b0fb3e0 estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=2, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND *94813 1710 59452 0 7 0 syz-executor 94813 277291 59452 0 3 0x4000080 fsleep syz-executor 97624 191556 53274 0 2 0 syz-executor 97624 260881 53274 0 3 0x4000080 fsleep syz-executor 97624 512761 53274 0 3 0x4000080 fsleep syz-executor 63776 443234 14733 0 3 0x80 nanoslp syz-executor 63776 422790 14733 0 3 0x4000080 kqsel syz-executor 63776 230594 14733 0 3 0x4000080 fsleep syz-executor 63776 126361 14733 0 3 0x4000080 fsleep syz-executor 88113 306397 0 0 3 0x14200 acct acct 8141 493314 57690 0 3 0x80 nanoslp syz-executor 8141 321370 57690 0 3 0x4000080 sbwait syz-executor 8141 143859 57690 0 3 0x4000080 fsleep syz-executor 29178 76689 14006 0 3 0x80 nanoslp syz-executor 29178 277116 14006 0 3 0x4000080 kqread syz-executor 29178 475803 14006 0 3 0x4000080 fsleep syz-executor 14733 277461 39621 0 2 0x2 syz-executor 43099 368989 1 0 3 0x100083 ttyin getty 3097 414903 0 0 3 0x14200 bored sosplice 14006 514638 39621 0 3 0x82 nanoslp syz-executor 59452 333011 39621 0 3 0x82 nanoslp syz-executor 5268 331496 39621 0 3 0x82 nanoslp syz-executor 57690 480593 39621 0 3 0x82 nanoslp syz-executor 3406 197456 39621 0 2 0x2 syz-executor 34271 343856 39621 0 2 0x2 syz-executor 53274 245770 39621 0 3 0x82 nanoslp syz-executor 39621 314114 4994 0 3 0x82 kqread syz-executor 4994 332413 66261 0 3 0x10008a sigsusp ksh 66261 166131 51757 0 3 0x98 kqread sshd-session 51757 411411 43243 0 3 0x92 kqread sshd-session 43243 457636 1 0 3 0x88 kqread sshd 99562 343370 23711 74 3 0x1100092 bpf pflogd 23711 132023 1 0 3 0x80 sbwait pflogd 18305 116318 78066 73 3 0x1100090 kqread syslogd 78066 43696 1 0 3 0x100082 sbwait syslogd 84354 437996 1 0 3 0x100080 kqread resolvd 47745 360038 85211 77 3 0x100092 kqread dhcpleased 14054 22297 85211 77 3 0x100092 kqread dhcpleased 85211 17999 1 0 3 0x80 kqread dhcpleased 672 253404 0 0 3 0x14200 bored smr 6463 49203 0 0 2 0x14200 zerothread 29061 320618 0 0 3 0x14200 aiodoned aiodoned 37377 361835 0 0 3 0x14200 syncer update 787 40184 0 0 3 0x14200 cleaner cleaner 56710 503528 0 0 3 0x14200 reaper reaper 8445 462149 0 0 3 0x14200 pgdaemon pagedaemon 2292 38910 0 0 3 0x14200 bored viomb 15102 136239 0 0 3 0x40014200 acpi0 acpi0 94859 139068 0 0 3 0x40014200 idle1 7218 262073 0 0 3 0x14200 bored softnet7 50538 117698 0 0 3 0x14200 bored softnet6 69114 228732 0 0 3 0x14200 bored softnet5 17460 372085 0 0 3 0x14200 bored softnet4 3509 246502 0 0 3 0x14200 bored softnet3 98559 443279 0 0 3 0x14200 bored softnet2 18434 28532 0 0 3 0x14200 bored softnet1 86097 65580 0 0 3 0x14200 bored softnet0 66934 347057 0 0 3 0x14200 smrbar systqmp 9654 380696 0 0 3 0x14200 bored systq 67810 466811 0 0 3 0x14200 tmoslp softclockmp 99093 326429 0 0 3 0x40014200 tmoslp softclock 90277 150658 0 0 3 0x40014200 idle0 1 373382 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks CPU 1: exclusive mutex &pmap->pm_mtx r = 0 (0xfffffd806b7d9a10) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 mtx_enter_try+0x1ad sys/kern/kern_lock.c:311 #2 mtx_enter+0x62 sys/kern/kern_lock.c:261 #3 pmap_enter+0x24b rcr3 sys/arch/amd64/compile/SYZKALLER/obj/machine/cpufunc.h:139 [inline] #3 pmap_enter+0x24b pmap_map_ptes sys/arch/amd64/amd64/pmap.c:437 [inline] #3 pmap_enter+0x24b sys/arch/amd64/amd64/pmap.c:2767 #4 uvm_fault_lower_lookup+0x3d6 sys/uvm/uvm_fault.c:-1 #5 uvm_fault_lower+0x89 sys/uvm/uvm_fault.c:1370 #6 uvm_fault+0x274 sys/uvm/uvm_fault.c:-1 #7 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #8 usertrap+0x3c6 sys/arch/amd64/amd64/trap.c:603 #9 recall_trap+0x8 Process 94813 (syz-executor) thread 0xffff80003c4587f0 (1710) exclusive rwlock uobjlk r = 0 (0xfffffd806c4f0eb8) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 uvm_fault_lower_lookup+0x53 sys/uvm/uvm_fault.c:1236 #3 uvm_fault_lower+0x89 sys/uvm/uvm_fault.c:1370 #4 uvm_fault+0x274 sys/uvm/uvm_fault.c:-1 #5 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #6 usertrap+0x3c6 sys/arch/amd64/amd64/trap.c:603 #7 recall_trap+0x8 shared rwlock vmmaplk r = 0 (0xfffffd800b0fb4e0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_read+0x3e8 sys/kern/kern_rwlock.c:413 #2 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1924 #3 uvm_fault_check+0x4a sys/uvm/uvm_fault.c:741 #4 uvm_fault+0x106 sys/uvm/uvm_fault.c:677 #5 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #6 usertrap+0x3c6 sys/arch/amd64/amd64/trap.c:603 #7 recall_trap+0x8 exclusive mutex &pmap->pm_mtx r = 0 (0xfffffd806b7d9a10) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 mtx_enter_try+0x1ad sys/kern/kern_lock.c:311 #2 mtx_enter+0x62 sys/kern/kern_lock.c:261 #3 pmap_enter+0x24b rcr3 sys/arch/amd64/compile/SYZKALLER/obj/machine/cpufunc.h:139 [inline] #3 pmap_enter+0x24b pmap_map_ptes sys/arch/amd64/amd64/pmap.c:437 [inline] #3 pmap_enter+0x24b sys/arch/amd64/amd64/pmap.c:2767 #4 uvm_fault_lower_lookup+0x3d6 sys/uvm/uvm_fault.c:-1 #5 uvm_fault_lower+0x89 sys/uvm/uvm_fault.c:1370 #6 uvm_fault+0x274 sys/uvm/uvm_fault.c:-1 #7 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #8 usertrap+0x3c6 sys/arch/amd64/amd64/trap.c:603 #9 recall_trap+0x8 Process 3406 (syz-executor) thread 0xffff8000ffff3c98 (197456) exclusive rrwlock inode r = 0 (0xfffffd806bf63eb8) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vget+0x2a2 sys/kern/vfs_subr.c:693 #6 ufs_ihashget+0x185 sys/ufs/ufs/ufs_ihash.c:98 #7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1203 #8 ufs_lookup+0x1a36 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x93a sys/kern/vfs_lookup.c:566 #11 namei+0x7ca sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1868 #13 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xb17 sys/arch/amd64/amd64/trap.c:746 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806cdbf1f8) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 #6 namei+0x7ca sys/kern/vfs_lookup.c:250 #7 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1868 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:746 #9 Xsyscall+0x128 Process 34271 (syz-executor) thread 0xffff80002a2b9240 (343856) exclusive rrwlock inode r = 0 (0xfffffd80691880e8) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527 #4 ufs_ihashins+0x4f ufs_ihash sys/ufs/ufs/ufs_ihash.c:-1 [inline] #4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:159 #5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1232 #6 ffs_inode_alloc+0x279 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0xfc sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x101 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3113 #10 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb17 sys/arch/amd64/amd64/trap.c:746 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806cdbfd88) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 #6 namei+0x7ca sys/kern/vfs_lookup.c:250 #7 domkdirat+0x8b sys/kern/vfs_syscalls.c:3098 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:746 #9 Xsyscall+0x128 Process 66934 (systqmp) thread 0xffff8000ffffe530 (347057) shared rwlock systqmp r = 0 (0xffffffff83851038) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 taskq_thread+0x12a sys/kern/kern_task.c:442 #2 proc_trampoline+0x10 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10275 11133K 11255K 166960K 11952 0 pcb 19 16K 18K 166960K 312 0 rtable 144 8K 11K 166960K 406 0 pf 36 17K 82K 166960K 140 0 ifaddr 34 5K 9K 166960K 101 0 ifgroup 59 2K 2K 166960K 173 0 sysctl 4 1K 9K 166960K 17 0 counters 70 37K 38K 166960K 188 0 ioctlops 0 0K 4K 166960K 1623 0 iov 1 16K 32K 166960K 45 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1413 89K 89K 166960K 1936 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 5K 5K 166960K 11 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 26 0 dirhash 12 2K 2K 166960K 24 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 16 57K 97K 166960K 842 0 sigio 0 0K 0K 166960K 79 0 proc 73 131K 180K 166960K 645 0 subproc 72 4K 4K 166960K 81 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 2 0K 0K 166960K 99 0 in_multi 56 4K 7K 166960K 148 0 ether_multi 1 0K 0K 166960K 5 0 mrt 1 0K 0K 166960K 4 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 229 1023K 1023K 166960K 229 0 exec 0 0K 1K 166960K 458 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 2 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 239 160K 177K 166960K 9339 0 UVM aobj 18 2K 2K 166960K 20 0 pinsyscall 41 82K 106K 166960K 1965 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 42 0 NDP 13 0K 2K 166960K 67 0 temp 49 8645K 8720K 166960K 30239 0 kqueue 16 26K 32K 166960K 170 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 26 0 0 1 0 1 1 0 8 0 rtpcb 120 116 0 113 2 1 1 2 0 8 0 rtentry 176 126 0 78 5 0 5 5 0 8 0 unpcb 144 649 0 629 6 4 2 4 0 8 1 syncache 336 7 0 7 3 2 1 1 0 8 1 tcpqe 32 4 0 4 2 2 0 1 0 8 0 tcpcb 736 240 0 231 8 0 8 8 0 8 7 arp 136 15 0 8 1 0 1 1 0 8 0 inpcb 328 1305 0 1287 13 3 10 13 0 8 8 nd6 144 19 0 11 1 0 1 1 0 8 0 pkpcb 40 11 0 11 1 0 1 1 0 8 1 kcovpl 48 9 0 1 1 0 1 1 0 8 0 mppekey 1024 1 0 1 1 1 0 1 0 8 0 ppxss 1192 42 0 42 2 1 1 1 0 8 1 pppxif 1504 5 0 5 2 2 0 1 0 8 0 pffrag 232 9 0 4 1 0 1 1 0 482 0 pffrnode 88 9 0 4 1 0 1 1 0 8 0 pffrent 40 14 0 9 1 0 1 1 0 8 0 pfosfp 40 1428 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfrktable 1344 1 0 1 1 1 0 1 0 8 0 pftag 88 1 0 0 1 0 1 1 0 8 0 pfstitem 24 61 0 11 1 0 1 1 0 8 0 pfstkey 128 61 0 11 2 0 2 2 0 8 0 pfstate 384 61 0 11 6 0 6 6 0 8 0 pfrule 1344 22 0 17 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 618 0 336 30 3 27 30 0 8 7 art_table 40 619 0 336 5 0 5 5 0 8 0 art_node 32 126 0 86 1 0 1 1 0 8 0 sysvmsgpl 40 4 0 3 2 1 1 1 0 8 0 semapl 112 23 0 13 1 0 1 1 0 8 0 shmpl 112 17 0 2 1 0 1 1 0 8 0 dirhash 1024 25 0 8 3 0 3 3 0 8 0 dino2pl 256 2851 0 1337 96 0 96 96 0 8 0 ffsino 296 2851 0 1337 118 0 118 118 0 8 0 nchpl 144 4025 0 2332 64 0 64 64 0 8 0 rtmask 32 10 0 10 2 1 1 1 0 8 1 uvmvnodes 80 3274 0 0 67 0 67 67 0 8 0 vnodes 216 3274 0 0 182 0 182 182 0 8 0 namei 1024 12971 0 12970 1 0 1 1 0 8 0 percpumem 16 109 0 59 1 0 1 1 0 8 0 kstatmem 264 104 0 72 4 1 3 3 0 8 0 acpiwqpl 32 2 0 2 1 0 1 1 1 8 1 scsiplug 72 8 0 8 2 2 0 1 0 8 0 scxspl 216 14462 0 14462 11 9 2 8 1 8 2 plimitpl 152 190 0 173 1 0 1 1 0 8 0 sigapl 424 1157 0 1103 7 0 7 7 0 8 0 knotepl 120 617 0 0 19 0 19 19 0 8 0 kqueuepl 224 419 0 405 10 2 8 8 0 8 7 pipepl 344 154 0 124 3 0 3 3 0 8 0 fdescpl 528 1124 0 1094 3 0 3 3 0 8 0 filepl 160 6871 0 6635 23 4 19 21 0 8 8 lockfpl 104 256 0 251 1 0 1 1 0 8 0 lockfspl 48 104 0 99 1 0 1 1 0 8 0 sessionpl 144 27 0 18 1 0 1 1 0 8 0 pgrppl 48 55 0 38 1 0 1 1 0 8 0 ucredpl 104 947 0 933 1 0 1 1 0 8 0 zombiepl 144 1104 0 1103 2 1 1 1 0 8 0 processpl 1232 1157 0 1103 5 0 5 5 0 8 0 procpl 664 2346 0 2282 7 0 7 7 0 8 0 sosppl 168 3 0 3 2 1 1 1 0 8 1 sockpl 752 2100 0 2059 25 12 13 18 0 8 8 mcl64k 65536 6 0 0 1 0 1 1 0 8 0 mcl16k 16384 3 0 0 1 0 1 1 0 8 0 mcl12k 12288 3 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 110 0 0 14 0 14 14 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 41 0 0 5 0 5 5 0 8 0 mtagpl 96 5 0 0 1 0 1 1 0 8 0 mbufpl 256 231 0 0 15 0 15 15 0 8 0 bufpl 280 4934 0 126 344 0 344 344 0 8 0 anonpl 32 7616 0 0 62 0 62 62 0 246 0 amapchunkpl 152 30665 0 30114 31 4 27 28 0 158 3 amappl16 200 3554 0 3522 21 15 6 15 0 8 2 amappl15 192 6 0 6 1 1 0 1 0 8 0 amappl14 184 121 0 109 1 0 1 1 0 8 0 amappl13 176 12 0 12 3 2 1 1 0 8 1 amappl12 168 1789 0 1759 4 2 2 3 0 8 0 amappl11 160 54 0 40 1 0 1 1 0 8 0 amappl10 152 7 0 7 1 1 0 1 0 8 0 amappl9 144 248 0 248 1 1 0 1 0 8 0 amappl8 136 21 0 19 1 0 1 1 0 8 0 amappl7 128 111 0 99 1 0 1 1 0 8 0 amappl6 120 197 0 194 1 0 1 1 0 8 0 amappl5 112 134 0 124 1 0 1 1 0 8 0 amappl4 104 308 0 289 1 0 1 1 0 8 0 amappl3 96 5333 0 5235 4 1 3 3 0 8 0 amappl2 88 1383 0 1303 2 0 2 2 0 8 0 amappl1 80 11971 0 11371 16 1 15 15 0 8 0 amappl 88 8482 0 8316 5 0 5 5 0 92 0 dma65536 65536 1 0 1 1 1 0 1 0 8 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 7 0 7 2 2 0 1 0 8 0 dma128 128 254 0 254 2 2 0 1 0 8 0 dma64 64 7 0 7 2 2 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 19 0 2 1 0 1 1 0 8 0 uaddrrnd 24 1124 0 1094 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1124 0 1094 1 0 1 1 0 8 0 vmmpekpl 168 10605 0 10562 3 0 3 3 0 8 0 vmmpepl 168 76468 0 74507 101 6 95 100 0 357 3 vmsppl 488 1123 0 1094 6 1 5 5 0 8 0 rwobjpl 80 25411 0 21179 87 0 87 87 0 8 0 pdppl 4096 2255 0 2188 109 36 73 87 0 8 6 pvpl 32 15677 0 0 128 1 127 127 0 265 0 pmappl 256 1123 0 1094 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 297 0 46 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83862ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 x86_bus_space_io_read_4(b008,0) at x86_bus_space_io_read_4+0x37 sys/arch/amd64/amd64/bus_space.c:674 acpitimer_delay(1) at acpitimer_delay+0xb7 acpitimer_read sys/dev/acpi/acpitimer.c:146 [inline] acpitimer_delay(1) at acpitimer_delay+0xb7 sys/dev/acpi/acpitimer.c:120 comcnputc(800,20) at comcnputc+0x29b sys/dev/ic/com.c:1269 cnputc(20) at cnputc+0x67 sys/dev/cons.c:218 db_putchar(2d) at db_putchar+0x126 db_force_whitespace sys/ddb/db_output.c:102 [inline] db_putchar(2d) at db_putchar+0x126 sys/ddb/db_output.c:153 kprintf() at kprintf+0x29a5 sys/kern/subr_prf.c:-1 db_printf(ffffffff83315f36) at db_printf+0x9b sys/kern/subr_prf.c:-1 fault(ffffffff833d7541) at fault+0xa7 sys/arch/amd64/amd64/trap.c:161 kpageflttrap(ffff80003c495040,0) at kpageflttrap+0x37d sys/arch/amd64/amd64/trap.c:296 kerntrap(ffff80003c495040) at kerntrap+0x198 sys/arch/amd64/amd64/trap.c:489 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b end trace frame: 0xffff80003c495120, count: 0 ddb{0}> trace x86_ipi_db(ffffffff83862ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 x86_bus_space_io_read_4(b008,0) at x86_bus_space_io_read_4+0x37 sys/arch/amd64/amd64/bus_space.c:674 acpitimer_delay(1) at acpitimer_delay+0xb7 acpitimer_read sys/dev/acpi/acpitimer.c:146 [inline] acpitimer_delay(1) at acpitimer_delay+0xb7 sys/dev/acpi/acpitimer.c:120 comcnputc(800,20) at comcnputc+0x29b sys/dev/ic/com.c:1269 cnputc(20) at cnputc+0x67 sys/dev/cons.c:218 db_putchar(2d) at db_putchar+0x126 db_force_whitespace sys/ddb/db_output.c:102 [inline] db_putchar(2d) at db_putchar+0x126 sys/ddb/db_output.c:153 kprintf() at kprintf+0x29a5 sys/kern/subr_prf.c:-1 db_printf(ffffffff83315f36) at db_printf+0x9b sys/kern/subr_prf.c:-1 fault(ffffffff833d7541) at fault+0xa7 sys/arch/amd64/amd64/trap.c:161 kpageflttrap(ffff80003c495040,0) at kpageflttrap+0x37d sys/arch/amd64/amd64/trap.c:296 kerntrap(ffff80003c495040) at kerntrap+0x198 sys/arch/amd64/amd64/trap.c:489 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b dt_ioctl_record_stop(ffff800010fdf000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:586 dtclose(21e5f,81,2000,ffff80003c458d20) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(21e5f,81,2000,ffff80003c458d20) at dtclose+0x109 sys/dev/dt/dt_dev.c:232 spec_close(ffff80003c4951f0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd8074582648,81,fffffd80097fb618,ffff80003c458d20) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd805e9bf820,ffff80003c458d20) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd805e9bf820,ffff80003c458d20) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd805e9bf820,ffff80003c458d20) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd805e9bf820,ffff80003c458d20) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80003c458d20) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80003c458d20,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80003c458d20,ffff80003c495560,ffff80003c4954b0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c495560) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c495560) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:746 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7050a434f620, count: -26 ddb{0}> machine ddbcpu 1 Stopped at proc_trampoline+0xc7: movl $0,%gs:0x688 proc_trampoline() at proc_trampoline+0xc7 end of kernel end trace frame: 0x782e98915540, count: 14 ddb{1}> trace proc_trampoline() at proc_trampoline+0xc7 end of kernel end trace frame: 0x782e98915540, count: -1