*cpu0: uvm_fault(0xfffffd80546ae540, 0x8, 0, 1) -> e ddb{1}> trace proc_trampoline() at proc_trampoline+0xc7 end of kernel end trace frame: 0x79efe562cbd0, count: -1 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff80002f0d1180 rbx 0 rdx 0 rcx 0xffff8000ffff7c48 rax 0x2a r8 0xffff80002f0d10b0 r9 0x4 r10 0x8f3d4e70dcc833f6 r11 0x9501357086f2800f r12 0 r13 0 r14 0 r15 0 rip 0xffffffff81c0e4c7 proc_trampoline+0xc7 cs 0x8 rflags 0x246 rsp 0xffff80002f0d1100 ss 0 proc_trampoline+0xc7: movl $0,%gs:0x680 ddb{1}> show proc PROC (syz-executor.3) tid=453816 pid=49857 tcnt=1 stat=onproc flags process=8000010 proc=0 runpri=79, usrpri=79, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff8000ffff67c8,0xffff8000ffff62b8 process=0xffff8000353963a0 user=0xffff80002f0cc000, vmspace=0xfffffd80546aedd8 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 19995 60058 23191 32767 2 0x8000010 syz-executor.4 99524 224037 88399 32767 2 0x8000010 syz-executor.0 99524 510999 88399 32767 7 0xc000010 syz-executor.0 *49857 453816 65493 32767 7 0x8000010 syz-executor.3 34869 3727 20674 32767 2 0x8000010 syz-executor.7 34869 312150 20674 32767 3 0xc000090 fsleep syz-executor.7 68826 239952 8859 32767 2 0x8000490 syz-executor.2 68826 425766 8859 32767 3 0xc000090 netcon2 syz-executor.2 68826 288256 8859 32767 3 0xc000090 fsleep syz-executor.2 67109 152293 510 32767 2 0x8000490 syz-executor.5 67109 209743 510 32767 3 0xc000090 kqread syz-executor.5 67109 427298 510 32767 3 0xc000090 fsleep syz-executor.5 51830 519962 49379 32767 3 0x8000090 nanoslp syz-executor.1 51830 293701 49379 32767 3 0xc000090 kqread syz-executor.1 51830 227493 49379 32767 2 0xc000010 syz-executor.1 51830 359301 49379 32767 3 0xc000090 fsleep syz-executor.1 20674 76639 15578 32767 3 0x8000090 nanoslp syz-executor.7 15578 367814 65525 0 3 0x8000082 wait syz-executor.7 49379 16252 3653 32767 2 0x8000490 syz-executor.1 3653 178287 65525 0 3 0x8000082 wait syz-executor.1 65493 474005 33584 32767 2 0x8000490 syz-executor.3 33584 457679 65525 0 3 0x8000082 wait syz-executor.3 23191 344375 74715 32767 3 0x8000090 nanoslp syz-executor.4 74715 162164 65525 0 3 0x8000082 wait syz-executor.4 8859 290880 31641 32767 3 0x8000090 nanoslp syz-executor.2 31641 59997 65525 0 3 0x8000082 wait syz-executor.2 88399 105546 9491 32767 3 0x8000090 nanoslp syz-executor.0 9491 7377 65525 0 3 0x8000082 wait syz-executor.0 53564 478613 25251 32767 2 0x8000010 syz-executor.6 25251 427151 65525 0 3 0x8000082 wait syz-executor.6 510 217835 4130 32767 3 0x8000090 nanoslp syz-executor.5 4130 228941 65525 0 3 0x8000082 wait syz-executor.5 91277 144583 0 0 3 0x14200 bored sosplice 65525 47977 10612 0 3 0x1a000082 wait syz-fuzzer 65525 56934 10612 0 3 0x1e000082 nanoslp syz-fuzzer 65525 349116 10612 0 3 0x1e000082 thrsleep syz-fuzzer 65525 350535 10612 0 3 0x1e000082 thrsleep syz-fuzzer 65525 192288 10612 0 3 0x1e000082 wait syz-fuzzer 65525 420469 10612 0 3 0x1e000082 wait syz-fuzzer 65525 521495 10612 0 3 0x1e000082 wait syz-fuzzer 65525 65003 10612 0 3 0x1e000082 thrsleep syz-fuzzer 65525 4883 10612 0 3 0x1e000082 wait syz-fuzzer 65525 15963 10612 0 3 0x1e000082 wait syz-fuzzer 65525 431169 10612 0 3 0x1e000082 thrsleep syz-fuzzer 65525 262626 10612 0 3 0x1e000082 thrsleep syz-fuzzer 65525 437638 10612 0 3 0x1e000082 kqread syz-fuzzer 65525 179356 10612 0 3 0x1e000082 wait syz-fuzzer 65525 68110 10612 0 3 0x1e000082 wait syz-fuzzer 65525 390945 10612 0 3 0x1e000082 thrsleep syz-fuzzer 10612 348126 77904 0 3 0x810008a sigsusp ksh 77904 475619 29608 0 3 0x1800009a kqread sshd 1087 129790 1 0 3 0x18100083 ttyin getty 29608 118888 1 0 3 0x18000088 kqread sshd 66074 382048 85474 73 3 0x19100090 kqread syslogd 85474 502527 1 0 3 0x18100082 sbwait syslogd 72255 162469 1 0 3 0x18100080 kqread resolvd 97953 469608 8247 77 3 0x18100092 kqread dhcpleased 24439 516507 8247 77 3 0x18100092 kqread dhcpleased 8247 59837 1 0 3 0x18000080 kqread dhcpleased 84070 274908 0 0 3 0x14200 bored smr 70550 513343 0 0 2 0x14200 zerothread 71341 475166 0 0 3 0x14200 aiodoned aiodoned 62174 510564 0 0 3 0x14200 syncer update 42901 107081 0 0 3 0x14200 cleaner cleaner 32534 274744 0 0 3 0x14200 reaper reaper 23521 305403 0 0 3 0x14200 pgdaemon pagedaemon 79321 238658 0 0 3 0x14200 bored viomb 37404 361255 0 0 3 0x40014200 acpi0 acpi0 61442 441017 0 0 3 0x40014200 idle1 5804 518546 0 0 3 0x14200 bored softnet3 4839 194683 0 0 3 0x14200 bored softnet2 80281 247374 0 0 3 0x14200 bored softnet1 55579 443605 0 0 3 0x14200 bored softnet0 7714 104591 0 0 3 0x14200 bored systqmp 45215 9355 0 0 3 0x14200 bored systq 40557 178103 0 0 3 0x14200 tmoslp softclockmp 3127 247507 0 0 2 0x40014200 softclock 93669 419059 0 0 3 0x40014200 idle0 1 470986 0 0 3 0x8000082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks CPU 1: exclusive mutex &pmap->pm_mtx r = 0 (0xfffffd806b2c39d0) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 mtx_enter_try+0x103 #2 mtx_enter+0x4e sys/kern/kern_lock.c:266 #3 pmap_enter+0x1c6 rcr3 machine/cpufunc.h:141 [inline] #3 pmap_enter+0x1c6 pmap_map_ptes sys/arch/amd64/amd64/pmap.c:425 [inline] #3 pmap_enter+0x1c6 sys/arch/amd64/amd64/pmap.c:2716 #4 uvm_fault_lower+0x77c sys/uvm/uvm_fault.c:1518 #5 uvm_fault+0x255 sys/uvm/uvm_fault.c:637 #6 upageflttrap+0x8e sys/arch/amd64/amd64/trap.c:188 #7 usertrap+0x22a sys/arch/amd64/amd64/trap.c:436 #8 recall_trap+0x8 Process 99524 (syz-executor.0) thread 0xffff80002d6a4ff0 (510999) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82e9c458) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 __mp_acquire_count+0x48 sys/kern/kern_lock.c:227 #2 mi_switch+0x491 sys/kern/sched_bsd.c:470 #3 sleep_finish+0x19a sys/kern/kern_synch.c:417 #4 biowait+0x91 sys/kern/vfs_bio.c:1254 #5 bwrite+0x1fe sys/kern/vfs_bio.c:766 #6 VOP_BWRITE+0x4e sys/kern/vfs_vops.c:640 #7 ufs_direnter+0x60e sys/ufs/ufs/ufs_lookup.c:833 #8 ufs_makeinode+0x3c2 sys/ufs/ufs/ufs_vnops.c:1769 #9 ufs_symlink+0x4b sys/ufs/ufs/ufs_vnops.c:1298 #10 VOP_SYMLINK+0xd7 sys/kern/vfs_vops.c:426 #11 dosymlinkat+0x158 sys/kern/vfs_syscalls.c:1809 #12 syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] #12 syscall+0x854 sys/arch/amd64/amd64/trap.c:577 #13 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8064828700) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 rw_enter+0x32d sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x91 sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x85 sys/kern/vfs_vnops.c:564 #5 vget+0x1fd sys/kern/vfs_subr.c:676 #6 ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119 #7 ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1201 #8 ffs_inode_alloc+0x1e4 sys/ufs/ffs/ffs_alloc.c:393 #9 ufs_makeinode+0xb0 sys/ufs/ufs/ufs_vnops.c:1733 #10 ufs_symlink+0x4b sys/ufs/ufs/ufs_vnops.c:1298 #11 VOP_SYMLINK+0xd7 sys/kern/vfs_vops.c:426 #12 dosymlinkat+0x158 sys/kern/vfs_syscalls.c:1809 #13 syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] #13 syscall+0x854 sys/arch/amd64/amd64/trap.c:577 #14 Xsyscall+0x128 Process 49857 (syz-executor.3) thread 0xffff8000ffff7c48 (453816) exclusive rwlock uobjlk r = 0 (0xfffffd807efa1010) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 rw_enter+0x32d sys/kern/kern_rwlock.c:309 #2 uvm_fault_lower_lookup+0x4b sys/uvm/uvm_fault.c:1126 #3 uvm_fault_lower+0x62 sys/uvm/uvm_fault.c:1227 #4 uvm_fault+0x255 sys/uvm/uvm_fault.c:637 #5 upageflttrap+0x8e sys/arch/amd64/amd64/trap.c:188 #6 usertrap+0x22a sys/arch/amd64/amd64/trap.c:436 #7 recall_trap+0x8 shared rwlock vmmaplk r = 0 (0xfffffd80546aeec8) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 uvmfault_lookup+0xd9 sys/uvm/uvm_fault.c:1785 #2 uvm_fault_check+0x3e sys/uvm/uvm_fault.c:672 #3 uvm_fault+0xf2 sys/uvm/uvm_fault.c:600 #4 upageflttrap+0x8e sys/arch/amd64/amd64/trap.c:188 #5 usertrap+0x22a sys/arch/amd64/amd64/trap.c:436 #6 recall_trap+0x8 exclusive mutex &pmap->pm_mtx r = 0 (0xfffffd806b2c39d0) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 mtx_enter_try+0x103 #2 mtx_enter+0x4e sys/kern/kern_lock.c:266 #3 pmap_enter+0x1c6 rcr3 machine/cpufunc.h:141 [inline] #3 pmap_enter+0x1c6 pmap_map_ptes sys/arch/amd64/amd64/pmap.c:425 [inline] #3 pmap_enter+0x1c6 sys/arch/amd64/amd64/pmap.c:2716 #4 uvm_fault_lower+0x77c sys/uvm/uvm_fault.c:1518 #5 uvm_fault+0x255 sys/uvm/uvm_fault.c:637 #6 upageflttrap+0x8e sys/arch/amd64/amd64/trap.c:188 #7 usertrap+0x22a sys/arch/amd64/amd64/trap.c:436 #8 recall_trap+0x8 Process 53564 (syz-executor.6) thread 0xffff80002f0de2c0 (478613) exclusive rrwlock inode r = 0 (0xfffffd80648284e0) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 rw_enter+0x32d sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x91 sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x85 sys/kern/vfs_vnops.c:564 #5 vget+0x1fd sys/kern/vfs_subr.c:676 #6 ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119 #7 ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1201 #8 ufs_lookup+0x1373 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x6f8 sys/kern/vfs_lookup.c:566 #11 namei+0x56a sys/kern/vfs_lookup.c:250 #12 dounlinkat+0x9d sys/kern/vfs_syscalls.c:1855 #13 syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] #13 syscall+0x854 sys/arch/amd64/amd64/trap.c:577 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd80686c92c0) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 rw_enter+0x32d sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x91 sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x85 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0xd3 sys/kern/vfs_lookup.c:418 #6 namei+0x56a sys/kern/vfs_lookup.c:250 #7 dounlinkat+0x9d sys/kern/vfs_syscalls.c:1855 #8 syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] #8 syscall+0x854 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10180 6408K 6419K 166960K 11378 0 pcb 17 12K 12K 166960K 17 0 rtable 244 6K 7K 166960K 1991 0 pf 29 8K 8K 166960K 109 0 ifaddr 44 15K 16K 166960K 210 0 ifgroup 50 2K 2K 166960K 210 0 sysctl 4 1K 2K 166960K 7 0 counters 64 36K 36K 166960K 144 0 ioctlops 0 0K 2K 166960K 157 0 iov 0 0K 18K 166960K 451 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1377 87K 87K 166960K 2540 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 173 0 VM map 2 1K 1K 166960K 2 0 sem 12 1K 1K 166960K 132 0 dirhash 12 2K 3K 166960K 360 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 25 93K 109K 166960K 6176 0 sigio 0 0K 0K 166960K 174 0 proc 56 78K 103K 166960K 2191 0 subproc 104 6K 7K 166960K 754 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 1431 0 in_multi 99 7K 7K 166960K 817 0 ether_multi 1 0K 0K 166960K 31 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 97 440K 440K 166960K 97 0 exec 0 0K 1K 166960K 1429 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 316 78K 96K 166960K 54853 0 UVM aobj 131 4K 4K 166960K 151 0 pinsyscall 45 90K 103K 166960K 8349 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 3 0K 0K 166960K 490 0 NDP 11 0K 2K 166960K 147 0 temp 74 6820K 6948K 166960K 21948 0 kqueue 13 20K 31K 166960K 1041 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 120 777 0 773 1 0 1 1 0 8 0 rtentry 112 639 0 524 4 0 4 4 0 8 0 unpcb 144 5033 0 5017 16 15 1 2 0 8 0 syncache 336 4 0 4 1 1 0 1 0 8 0 sackhl 24 3 0 3 3 3 0 1 0 8 0 tcpqe 32 59 0 59 3 3 0 1 0 8 0 tcpcb 808 2401 0 2390 30 28 2 2 0 8 0 arp 120 98 0 80 1 0 1 1 0 8 0 ipq 40 26 0 25 5 4 1 1 0 8 0 ipqe 40 295 0 294 5 4 1 1 0 8 0 inpcb 392 6163 0 6146 47 44 3 5 0 8 1 nd6 136 232 0 203 3 1 2 2 0 8 0 kcovpl 48 58 0 50 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 2505 0 2024 42 11 31 32 0 8 0 art_table 32 2506 0 2024 5 1 4 5 0 8 0 art_node 16 638 0 533 1 0 1 1 0 8 0 sysvmsgpl 40 17 0 9 1 0 1 1 0 8 0 semupl 112 4 0 4 1 1 0 1 0 8 0 semapl 112 130 0 120 1 0 1 1 0 8 0 shmpl 112 148 0 20 4 0 4 4 0 8 0 dirhash 1024 249 0 232 3 0 3 3 0 8 0 dino2pl 256 10232 0 8701 98 1 97 97 0 8 0 ffsino 272 10232 0 8701 104 0 104 104 0 8 0 nchpl 144 18893 0 17163 66 0 66 66 0 8 0 uvmvnodes 80 8703 0 0 178 0 178 178 0 8 0 vnodes 216 8703 0 0 484 0 484 484 0 8 0 namei 1024 65162 0 65161 11 10 1 2 0 8 0 percpumem 16 86 0 40 1 0 1 1 0 8 0 kstatmem 264 102 0 80 2 0 2 2 0 8 0 scxspl 216 170204 0 170204 43 40 3 8 1 8 3 plimitpl 152 1353 0 1329 21 19 2 2 0 8 0 sigapl 424 6363 0 6308 7 0 7 7 0 8 0 futexpl 64 89523 0 89519 16 15 1 1 0 8 0 knotepl 120 1001 0 0 16 0 16 16 0 8 0 kqueuepl 216 1994 0 1982 4 3 1 3 0 8 0 pipepl 320 1119 0 1091 7 4 3 4 0 8 0 fdescpl 496 6344 0 6308 7 2 5 6 0 8 0 filepl 152 38689 0 38437 22 9 13 13 0 8 1 lockfpl 104 1486 0 1484 1 0 1 1 0 8 0 lockfspl 48 551 0 549 1 0 1 1 0 8 0 sessionpl 144 63 0 47 1 0 1 1 0 8 0 pgrppl 48 209 0 193 1 0 1 1 0 8 0 ucredpl 104 8169 0 8151 1 0 1 1 0 8 0 zombiepl 144 6308 0 6308 1 0 1 1 0 8 1 processpl 1136 6363 0 6308 5 0 5 5 0 8 0 procpl 656 13151 0 13072 19 11 8 8 0 8 0 sosppl 168 166 0 165 33 32 1 1 0 8 0 sockpl 664 12175 0 12138 54 50 4 6 0 8 0 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 17 0 0 3 0 3 3 0 8 0 mcl4k 4096 6 0 0 1 0 1 1 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 797 0 0 48 22 26 48 0 8 1 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 1757 0 0 66 0 66 66 0 8 0 bufpl 280 17591 0 8885 623 0 623 623 0 8 0 anonpl 24 1041965 0 1035512 201 132 69 95 0 186 0 amapchunkpl 152 187085 0 186318 165 127 38 52 0 158 3 amappl16 200 25193 0 25068 210 198 12 32 0 8 0 amappl15 192 8 0 8 3 3 0 1 0 8 0 amappl14 184 278 0 266 2 1 1 2 0 8 0 amappl13 176 9 0 9 2 2 0 1 0 8 0 amappl12 168 7592 0 7552 2 0 2 2 0 8 0 amappl11 160 57 0 45 1 0 1 1 0 8 0 amappl10 152 127 0 115 1 0 1 1 0 8 0 amappl9 144 213 0 213 4 4 0 1 0 8 0 amappl8 136 385 0 338 3 0 3 3 0 8 0 amappl7 128 74 0 56 1 0 1 1 0 8 0 amappl6 120 930 0 913 2 1 1 2 0 8 0 amappl5 112 322 0 310 1 0 1 1 0 8 0 amappl4 104 852 0 820 2 1 1 2 0 8 0 amappl3 96 33609 0 33513 5 2 3 4 0 8 0 amappl2 88 6871 0 6793 4 2 2 4 0 8 0 amappl1 80 30298 0 29782 22 10 12 22 0 8 0 amappl 88 53411 0 53181 6 0 6 6 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 72 150 0 20 3 0 3 3 0 8 0 uaddrrnd 24 6344 0 6308 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 6344 0 6308 1 0 1 1 0 8 0 vmmpekpl 168 46062 0 45997 4 0 4 4 0 8 0 vmmpepl 168 394027 0 391854 275 169 106 116 0 357 3 vmsppl 440 6343 0 6308 16 11 5 5 0 8 0 rwobjpl 56 106164 0 96225 172 29 143 147 0 8 0 pdppl 4096 12695 0 12616 406 325 81 87 0 8 2 pvpl 32 48601 0 0 394 2 392 392 0 265 0 pmappl 248 6343 0 6308 4 1 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 819 0 400 13 0 13 13 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp x86_ipi_db(ffffffff82cf8ff0) at x86_ipi_db+0x1e sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 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+0x2e sys/arch/amd64/amd64/bus_space.c:666 acpitimer_delay(1) at acpitimer_delay+0x65 acpitimer_read sys/dev/acpi/acpitimer.c:142 [inline] acpitimer_delay(1) at acpitimer_delay+0x65 sys/dev/acpi/acpitimer.c:120 comcnputc(800,30) at comcnputc+0x1d7 sys/dev/ic/com.c:1270 cnputc(30) at cnputc+0x4f sys/dev/cons.c:218 db_putchar(30) at db_putchar+0x3eb sys/ddb/db_output.c:155 kprintf() at kprintf+0x21c1 sys/kern/subr_prf.c:1064 db_printf(ffffffff82904fc0) at db_printf+0x89 sys/kern/subr_prf.c:498 fault(ffffffff828b4eed) at fault+0x95 sys/arch/amd64/amd64/trap.c:157 kpageflttrap(ffff8000373fb310,8) at kpageflttrap+0x2b7 sys/arch/amd64/amd64/trap.c:290 kerntrap(ffff8000373fb310) at kerntrap+0xf2 sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b end trace frame: 0xffff8000373fb3f0, count: 0 ddb{0}> trace x86_ipi_db(ffffffff82cf8ff0) at x86_ipi_db+0x1e sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 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+0x2e sys/arch/amd64/amd64/bus_space.c:666 acpitimer_delay(1) at acpitimer_delay+0x65 acpitimer_read sys/dev/acpi/acpitimer.c:142 [inline] acpitimer_delay(1) at acpitimer_delay+0x65 sys/dev/acpi/acpitimer.c:120 comcnputc(800,30) at comcnputc+0x1d7 sys/dev/ic/com.c:1270 cnputc(30) at cnputc+0x4f sys/dev/cons.c:218 db_putchar(30) at db_putchar+0x3eb sys/ddb/db_output.c:155 kprintf() at kprintf+0x21c1 sys/kern/subr_prf.c:1064 db_printf(ffffffff82904fc0) at db_printf+0x89 sys/kern/subr_prf.c:498 fault(ffffffff828b4eed) at fault+0x95 sys/arch/amd64/amd64/trap.c:157 kpageflttrap(ffff8000373fb310,8) at kpageflttrap+0x2b7 sys/arch/amd64/amd64/trap.c:290 kerntrap(ffff8000373fb310) at kerntrap+0xf2 sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b fifo_write(ffff8000373fb400) at fifo_write+0x4f sys/miscfs/fifofs/fifo_vnops.c:273 VOP_WRITE(fffffd8054337cb8,ffff8000373fb498,8,fffffd807f7d3270) at VOP_WRITE+0xc3 sys/kern/vfs_vops.c:245 vn_rdwr(1,fffffd8054337cb8,ffff80002a183800,fc,0,1,30867395d95d4d07,ffff8000373fb5c0,fffffd8054337cb8,78) at vn_rdwr+0xee sys/kern/vfs_vnops.c:324 ufs_symlink(ffff8000373fb5c0) at ufs_symlink+0x175 sys/ufs/ufs/ufs_vnops.c:1314 VOP_SYMLINK(fffffd8076980210,ffff8000373fb740,ffff8000373fb770,ffff8000373fb670,ffff80002a183800) at VOP_SYMLINK+0xd7 sys/kern/vfs_vops.c:426 dosymlinkat(ffff80002d6a4ff0,20000340,ffffff9c,20000300) at dosymlinkat+0x158 sys/kern/vfs_syscalls.c:1809 syscall(ffff8000373fb8f0) at syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff8000373fb8f0) at syscall+0x854 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xf0864355e20, count: -22 ddb{0}> machine ddbcpu 1 Stopped at proc_trampoline+0xc7: movl $0,%gs:0x680 proc_trampoline() at proc_trampoline+0xc7 end of kernel end trace frame: 0x79efe562cbd0, count: 14 ddb{1}> trace proc_trampoline() at proc_trampoline+0xc7 end of kernel end trace frame: 0x79efe562cbd0, count: -1