*cpu1: uvm_fault(0xfffffd806bf2d370, 0x8, 0, 1) -> e ddb{0}> trace savectx() at savectx+0xae end of kernel end trace frame: 0x6f8d3b0ec250, count: -1 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff80002e984380 rbx 0 rdx 0 rcx 0xffff8000ffffc520 rax 0x32 r8 0xffff80002e9842b0 r9 0x80713 acpi_pdirpa+0x6c584 r10 0x560d2eeba1e913c9 r11 0xc99e82455dfd15dc r12 0 r13 0 r14 0xffff8000ffffc520 r15 0 rip 0xffffffff8244d3ee savectx+0xae cs 0x8 rflags 0x46 rsp 0xffff80002e984300 ss 0x10 savectx+0xae: movl $0,%gs:0x680 ddb{0}> show proc PROC (syz-executor) tid=407760 pid=92855 tcnt=1 stat=onproc flags process=8000000 proc=0 runpri=50, usrpri=50, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000371c27c8,0xffff800037223710 process=0xffff8000ffff0490 user=0xffff80002e97f000, vmspace=0xfffffd806bf2d6e0 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 51106 49851 13225 0 2 0x8000000 syz-executor *92855 407760 38014 0 7 0x8000000 syz-executor 40975 427474 13315 0 2 0x8000000 syz-executor 40975 254049 13315 0 3 0xc000080 fsleep syz-executor 59755 221221 28858 0 2 0x8000000 syz-executor 59755 100547 28858 0 7 0xc000000 syz-executor 59755 441998 28858 0 2 0xc000000 syz-executor 59755 234096 28858 0 2 0xc000000 syz-executor 87506 487193 25642 0 2 0x8000000 syz-executor 87506 171900 25642 0 3 0xc000080 bell syz-executor 87506 238785 25642 0 2 0xc000000 syz-executor 44660 419703 67323 0 2 0x8000010 syz-executor 44660 494651 67323 0 3 0xc000090 fsleep syz-executor 44660 193191 67323 0 3 0xc000090 fsleep syz-executor 1590 103716 38744 0 3 0x8000080 nanoslp syz-executor 1590 186579 38744 0 3 0xc000080 ttyin syz-executor 1590 214754 38744 0 3 0xc000080 fsleep syz-executor 25642 115701 86009 0 3 0x8000082 nanoslp syz-executor 28858 177225 86009 0 3 0x8000082 nanoslp syz-executor 38014 165763 86009 0 3 0x8000082 nanoslp syz-executor 18347 306320 86009 0 2 0x8000002 syz-executor 67323 206319 86009 0 2 0x8000002 syz-executor 13225 472630 86009 0 3 0x8000082 nanoslp syz-executor 13315 509100 86009 0 3 0x8000082 nanoslp syz-executor 38744 25017 86009 0 3 0x8000082 nanoslp syz-executor 74489 118264 0 0 3 0x14200 acct acct 41034 298998 0 0 3 0x14280 nfsidl nfsio 80737 262028 0 0 3 0x14280 nfsidl nfsio 60651 441456 0 0 3 0x14280 nfsidl nfsio 81387 423283 0 0 3 0x14280 nfsidl nfsio 34987 419900 0 0 3 0x14280 nfsidl nfsio 9092 78881 0 0 3 0x14280 nfsidl nfsio 7224 457518 0 0 3 0x14280 nfsidl nfsio 65447 106457 0 0 3 0x14280 nfsidl nfsio 24474 518684 0 0 3 0x14280 nfsidl nfsio 77462 378380 0 0 3 0x14280 nfsidl nfsio 28696 218920 0 0 3 0x14280 nfsidl nfsio 28053 79737 0 0 3 0x14280 nfsidl nfsio 517 81464 0 0 3 0x14280 nfsidl nfsio 43925 482305 0 0 3 0x14280 nfsidl nfsio 28962 183082 0 0 3 0x14280 nfsidl nfsio 66883 132138 0 0 3 0x14280 nfsidl nfsio 86781 192652 0 0 3 0x14280 nfsidl nfsio 62958 444496 0 0 3 0x14280 nfsidl nfsio 50745 284044 0 0 3 0x14280 nfsidl nfsio 62477 328403 0 0 3 0x14280 nfsidl nfsio 31735 437545 0 0 3 0x14200 bored sosplice 86009 54823 57740 0 2 0x8000002 syz-executor 57740 57452 63389 0 3 0x810008a sigsusp ksh 63389 34548 24206 0 3 0x18000098 kqread sshd-session 24206 260815 52828 0 3 0x18000092 kqread sshd-session 37 339724 1 0 3 0x18100083 ttyin getty 52828 115385 1 0 3 0x18000088 kqread sshd 75546 481180 1582 74 3 0x19100092 bpf pflogd 1582 499218 1 0 3 0x18000080 sbwait pflogd 99500 430654 85515 73 2 0x19100010 syslogd 85515 354689 1 0 3 0x18100082 sbwait syslogd 49844 407082 1 0 3 0x18100080 kqread resolvd 3745 241936 26013 77 3 0x18100092 kqread dhcpleased 82542 84347 26013 77 3 0x18100092 kqread dhcpleased 26013 265256 1 0 3 0x18000080 kqread dhcpleased 69542 393392 0 0 3 0x14200 bored smr 29304 42486 0 0 2 0x14200 zerothread 22227 52033 0 0 3 0x14200 aiodoned aiodoned 9160 459277 0 0 3 0x14200 syncer update 11684 361524 0 0 3 0x14200 cleaner cleaner 86772 45784 0 0 3 0x14200 reaper reaper 41226 101095 0 0 3 0x14200 pgdaemon pagedaemon 81132 45471 0 0 3 0x14200 bored viomb 54516 324183 0 0 3 0x40014200 acpi0 acpi0 77285 136439 0 0 3 0x40014200 idle1 65157 512449 0 0 3 0x14200 bored softnet3 67934 221496 0 0 3 0x14200 bored softnet2 81570 158098 0 0 3 0x14200 bored softnet1 10042 105709 0 0 3 0x14200 bored softnet0 44910 497037 0 0 3 0x14200 bored systqmp 57601 294668 0 0 3 0x14200 bored systq 78678 456339 0 0 3 0x14200 tmoslp softclockmp 73806 167293 0 0 3 0x40014200 tmoslp softclock 58969 175249 0 0 3 0x40014200 idle0 1 311050 0 0 3 0x8000082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex &map->flags_lock r = 0 (0xfffffd806bf2d830) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 mtx_enter_try+0x178 #2 mtx_enter+0x60 sys/kern/kern_lock.c:239 #3 vm_map_lock_ln+0x158 sys/uvm/uvm_map.c:5255 #4 uvm_mapanon+0x292 #5 uvm_mmapanon+0x1d0 sys/uvm/uvm_mmap.c:1020 #6 sys_mmap+0xa96 sys/uvm/uvm_mmap.c:421 #7 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #7 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #8 Xsyscall+0x128 Process 92855 (syz-executor) thread 0xffff8000ffffc520 (407760) exclusive rwlock vmmaplk r = 0 (0xfffffd806bf2d7d0) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 vm_map_lock_ln+0x143 sys/uvm/uvm_map.c:5252 #3 uvm_mapanon+0x292 #4 uvm_mmapanon+0x1d0 sys/uvm/uvm_mmap.c:1020 #5 sys_mmap+0xa96 sys/uvm/uvm_mmap.c:421 #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 exclusive mutex &map->flags_lock r = 0 (0xfffffd806bf2d830) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 mtx_enter_try+0x178 #2 mtx_enter+0x60 sys/kern/kern_lock.c:239 #3 vm_map_lock_ln+0x158 sys/uvm/uvm_map.c:5255 #4 uvm_mapanon+0x292 #5 uvm_mmapanon+0x1d0 sys/uvm/uvm_mmap.c:1020 #6 sys_mmap+0xa96 sys/uvm/uvm_mmap.c:421 #7 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #7 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #8 Xsyscall+0x128 Process 59755 (syz-executor) thread 0xffff800037222a58 (100547) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff835583b8) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 __mp_acquire_count+0x58 #2 mi_switch+0x658 sys/kern/sched_bsd.c:460 #3 sleep_finish+0x219 sys/kern/kern_synch.c:416 #4 biowait+0xc1 sys/kern/vfs_bio.c:1254 #5 bwrite+0x2e2 sys/kern/vfs_bio.c:766 #6 ffs_update+0x34c sys/ufs/ffs/ffs_inode.c:111 #7 ufs_direnter+0x721 sys/ufs/ufs/ufs_lookup.c:726 #8 ufs_makeinode+0x51e sys/ufs/ufs/ufs_vnops.c:1764 #9 ufs_symlink+0x54 sys/ufs/ufs/ufs_vnops.c:1293 #10 VOP_SYMLINK+0x11a sys/kern/vfs_vops.c:432 #11 dosymlinkat+0x1dd sys/kern/vfs_syscalls.c:1806 #12 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #12 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #13 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8064ab4920) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #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:676 #6 ufs_ihashget+0x171 sys/ufs/ufs/ufs_ihash.c:95 #7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1201 #8 ffs_inode_alloc+0x283 sys/ufs/ffs/ffs_alloc.c:393 #9 ufs_makeinode+0xcb sys/ufs/ufs/ufs_vnops.c:1728 #10 ufs_symlink+0x54 sys/ufs/ufs/ufs_vnops.c:1293 #11 VOP_SYMLINK+0x11a sys/kern/vfs_vops.c:432 #12 dosymlinkat+0x1dd sys/kern/vfs_syscalls.c:1806 #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 Process 18347 (syz-executor) thread 0xffff8000371c3470 (306320) exclusive rrwlock inode r = 0 (0xfffffd8064ab45f0) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #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:676 #6 ufs_ihashget+0x171 sys/ufs/ufs/ufs_ihash.c:95 #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 (0xfffffd807221c6f8) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #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{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10205 10295K 10676K 166960K 12697 0 pcb 17 12K 12K 166960K 124 0 rtable 247 8K 9K 166960K 1958 0 pf 37 18K 22K 166960K 549 0 ifaddr 46 9K 9K 166960K 251 0 ifgroup 55 2K 2K 166960K 267 0 sysctl 3 0K 0K 166960K 3 0 counters 64 36K 36K 166960K 170 0 ioctlops 0 0K 4K 166960K 1772 0 iov 0 0K 16K 166960K 49 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1501 94K 94K 166960K 2728 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 20 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 33 0 dirhash 12 2K 2K 166960K 18 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 17 61K 93K 166960K 1426 0 sigio 0 0K 0K 166960K 14 0 proc 70 91K 128K 166960K 1910 0 subproc 104 6K 7K 166960K 728 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 67 0 in_multi 107 7K 7K 166960K 635 0 ether_multi 1 0K 0K 166960K 4 0 mrt 0 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 91 413K 413K 166960K 91 0 exec 0 0K 1K 166960K 1147 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 237 73K 91K 166960K 12154 0 UVM aobj 30 4K 4K 166960K 32 0 pinsyscall 42 84K 107K 166960K 3717 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 63 0 NDP 12 0K 2K 166960K 176 0 temp 59 6820K 6885K 166960K 48298 0 kqueue 14 22K 28K 166960K 123 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 120 162 0 158 1 0 1 1 0 8 0 rtentry 112 657 0 544 4 0 4 4 0 8 0 unpcb 144 664 0 642 6 3 3 3 0 8 2 syncache 336 3 0 3 1 1 0 1 0 8 0 tcpcb 808 268 0 263 8 7 1 7 0 8 0 arp 120 120 0 102 1 0 1 1 0 8 0 inpcb 336 1210 0 1199 17 15 2 7 0 8 1 nd6 136 173 0 147 1 0 1 1 0 8 0 pkpcb 40 35 0 35 2 1 1 1 0 8 1 kcovpl 48 56 0 48 1 0 1 1 0 8 0 ppxss 1168 1 0 1 1 1 0 1 0 8 0 pffrag 232 9 0 2 1 0 1 1 0 482 0 pffrnode 88 9 0 2 1 0 1 1 0 8 0 pffrent 40 10 0 3 1 0 1 1 0 8 0 pfosfp 40 1430 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1430 0 714 21 0 21 21 0 8 0 pfrktable 1344 11 0 11 3 3 0 1 0 8 0 pfanchor 1288 4 0 4 2 2 0 1 0 8 0 pftag 88 8 0 8 2 2 0 1 0 8 0 pfstitem 24 102 0 72 1 0 1 1 0 8 0 pfstkey 128 103 0 71 2 0 2 2 0 8 0 pfstate 376 101 0 72 4 0 4 4 0 8 0 pfrule 1344 98 0 93 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 2580 0 2120 32 3 29 30 0 8 0 art_table 32 2581 0 2120 4 0 4 4 0 8 0 art_node 16 656 0 554 1 0 1 1 0 8 0 sysvmsgpl 40 8 0 7 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 30 0 20 1 0 1 1 0 8 0 shmpl 112 29 0 2 1 0 1 1 0 8 0 dirhash 1024 21 0 4 3 0 3 3 0 8 0 dino2pl 256 2748 0 1147 101 0 101 101 0 8 0 ffsino 272 2748 0 1147 107 0 107 107 0 8 0 nchpl 144 3846 0 2103 65 0 65 65 0 8 0 uvmvnodes 80 4020 0 0 83 0 83 83 0 8 0 vnodes 216 4020 0 0 224 0 224 224 0 8 0 namei 1024 18415 0 18413 5 4 1 2 0 8 0 percpumem 16 99 0 53 1 0 1 1 0 8 0 vcpupl 3904 1 0 0 1 0 1 1 0 8 0 vmpool 696 1 0 0 1 0 1 1 0 8 0 pfiaddrpl 120 2 0 2 2 2 0 1 0 8 0 kstatmem 264 130 0 106 2 0 2 2 0 8 0 scsiplug 72 1 0 1 1 1 0 1 0 8 0 scxspl 216 32578 0 32578 11 10 1 8 1 8 1 plimitpl 152 341 0 323 1 0 1 1 0 8 0 sigapl 424 1651 0 1580 10 1 9 9 0 8 0 futexpl 64 11674 0 11670 6 5 1 1 0 8 0 knotepl 120 553 0 0 17 0 17 17 0 8 0 kqueuepl 216 223 0 213 1 0 1 1 0 8 0 pipepl 320 299 0 272 3 0 3 3 0 8 0 fdescpl 496 1610 0 1579 6 1 5 5 0 8 0 filepl 152 8683 0 8421 28 15 13 15 0 8 1 lockfpl 104 363 0 361 2 1 1 2 0 8 0 lockfspl 48 172 0 170 1 0 1 1 0 8 0 sessionpl 144 69 0 60 1 0 1 1 0 8 0 pgrppl 48 137 0 120 1 0 1 1 0 8 0 ucredpl 104 954 0 939 1 0 1 1 0 8 0 zombiepl 144 1580 0 1580 1 0 1 1 0 8 1 processpl 1160 1651 0 1580 7 1 6 6 0 8 0 procpl 648 2721 0 2640 8 0 8 8 0 8 0 sosppl 168 4 0 4 4 3 1 1 0 8 1 sockpl 664 2081 0 2044 23 16 7 10 0 8 3 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl16k 16384 3 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 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 224 0 0 28 0 28 28 0 8 0 mtagpl 96 5 0 0 1 0 1 1 0 8 0 mbufpl 256 366 0 0 19 0 19 19 0 8 0 bufpl 280 8644 0 1766 492 0 492 492 0 8 0 anonpl 24 282822 0 274816 60 7 53 55 0 185 3 amapchunkpl 152 38951 0 38429 40 9 31 34 0 158 6 amappl16 200 5462 0 5203 40 26 14 14 0 8 0 amappl15 192 9 0 9 1 1 0 1 0 8 0 amappl14 184 208 0 196 1 0 1 1 0 8 0 amappl13 176 11 0 11 1 1 0 1 0 8 0 amappl12 168 3000 0 2970 4 2 2 3 0 8 0 amappl11 160 52 0 38 1 0 1 1 0 8 0 amappl10 152 14 0 14 1 1 0 1 0 8 0 amappl9 144 129 0 128 1 0 1 1 0 8 0 amappl8 136 21 0 18 1 0 1 1 0 8 0 amappl7 128 196 0 184 1 0 1 1 0 8 0 amappl6 120 644 0 643 1 0 1 1 0 8 0 amappl5 112 340 0 328 1 0 1 1 0 8 0 amappl4 104 458 0 438 1 0 1 1 0 8 0 amappl3 96 7403 0 7292 5 1 4 4 0 8 0 amappl2 88 1277 0 1214 2 0 2 2 0 8 0 amappl1 80 14400 0 13810 17 3 14 15 0 8 0 amappl 88 11396 0 11222 5 0 5 5 0 92 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma2048 2048 1 0 1 1 1 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma512 512 2 0 2 1 1 0 1 0 8 0 dma256 256 7 0 7 2 2 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 31 0 2 1 0 1 1 0 8 0 uaddrrnd 24 1611 0 1579 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1611 0 1579 1 0 1 1 0 8 0 vmmpekpl 168 14884 0 14821 4 0 4 4 0 8 0 vmmpepl 168 105787 0 103672 116 20 96 96 0 357 0 vmsppl 440 1610 0 1579 6 2 4 5 0 8 0 rwobjpl 56 36447 0 31216 75 1 74 74 0 8 0 pdppl 4096 3229 0 3159 182 110 72 85 0 8 2 pvpl 32 29555 0 0 239 0 239 239 0 265 0 pmappl 248 1610 0 1579 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 515 0 146 11 0 11 11 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace savectx() at savectx+0xae end of kernel end trace frame: 0x6f8d3b0ec250, count: -1 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 x86_bus_space_io_read_1(3f8,5) at x86_bus_space_io_read_1+0x37 sys/arch/amd64/amd64/bus_space.c:654 comcnputc(800,6e) at comcnputc+0x250 comcn_read_reg sys/dev/ic/com.c:1655 [inline] comcnputc(800,6e) at comcnputc+0x250 sys/dev/ic/com.c:1269 cnputc(6e) at cnputc+0x61 sys/dev/cons.c:218 db_putchar(6e) at db_putchar+0x65c sys/ddb/db_output.c:155 kprintf() at kprintf+0x843 db_printf(ffffffff830198e6) at db_printf+0x9b db_ktrap(6,0,ffff80002e9ae1f0) at db_ktrap+0x101 db_printtrap sys/arch/amd64/amd64/db_interface.c:98 [inline] db_ktrap(6,0,ffff80002e9ae1f0) at db_ktrap+0x101 sys/arch/amd64/amd64/db_interface.c:127 kerntrap(ffff80002e9ae1f0) at kerntrap+0x1dc sys/arch/amd64/amd64/trap.c:323 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b fifo_write(ffff80002e9ae2e0) at fifo_write+0x6e sys/miscfs/fifofs/fifo_vnops.c:281 VOP_WRITE(fffffd806089cb00,ffff80002e9ae378,8,fffffd807f7d35b0) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 end trace frame: 0xffff80002e9ae410, count: 0 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 x86_bus_space_io_read_1(3f8,5) at x86_bus_space_io_read_1+0x37 sys/arch/amd64/amd64/bus_space.c:654 comcnputc(800,6e) at comcnputc+0x250 comcn_read_reg sys/dev/ic/com.c:1655 [inline] comcnputc(800,6e) at comcnputc+0x250 sys/dev/ic/com.c:1269 cnputc(6e) at cnputc+0x61 sys/dev/cons.c:218 db_putchar(6e) at db_putchar+0x65c sys/ddb/db_output.c:155 kprintf() at kprintf+0x843 db_printf(ffffffff830198e6) at db_printf+0x9b db_ktrap(6,0,ffff80002e9ae1f0) at db_ktrap+0x101 db_printtrap sys/arch/amd64/amd64/db_interface.c:98 [inline] db_ktrap(6,0,ffff80002e9ae1f0) at db_ktrap+0x101 sys/arch/amd64/amd64/db_interface.c:127 kerntrap(ffff80002e9ae1f0) at kerntrap+0x1dc sys/arch/amd64/amd64/trap.c:323 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b fifo_write(ffff80002e9ae2e0) at fifo_write+0x6e sys/miscfs/fifofs/fifo_vnops.c:281 VOP_WRITE(fffffd806089cb00,ffff80002e9ae378,8,fffffd807f7d35b0) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_rdwr(1,fffffd806089cb00,ffff800029fe7000,103,0,1,fd15ed64222f716f,ffff80002e9ae4a0,fffffd806089cb00,78) at vn_rdwr+0x12d sys/kern/vfs_vnops.c:324 ufs_symlink(ffff80002e9ae4a0) at ufs_symlink+0x1ee sys/ufs/ufs/ufs_vnops.c:1309 VOP_SYMLINK(fffffd806089c7a0,ffff80002e9ae620,ffff80002e9ae650,ffff80002e9ae550,ffff800029fe7000) at VOP_SYMLINK+0x11a sys/kern/vfs_vops.c:432 dosymlinkat(ffff800037222a58,20001640,ffffff9c,20000e40) at dosymlinkat+0x1dd sys/kern/vfs_syscalls.c:1806 syscall(ffff80002e9ae7d0) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002e9ae7d0) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x178c9a479f0, count: -20