panic: uvm_fault_unwire_locked: address not in map Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 173342 96422 32767 0x10 0x4000000 0 syz-executor *498772 96422 32767 0x10 0x4000000 1 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830b7600) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806bd90370,20000000,20001000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd806bd90370,20000000,20001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1623 sysctl_vsunlock(20000140,0) at sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:204 net_sysctl(ffff8000371e3cf4,3,20000140,ffff8000371e3d28,0,0,7d660f166b1f8b1a) at net_sysctl+0x69a sys/kern/uipc_domain.c:251 sys_sysctl(ffff80002d9c6ce8,ffff8000371e3e60,ffff8000371e3db0) at sys_sysctl+0x422 syscall(ffff8000371e3e60) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000371e3e60) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb7ee0b83ef0, count: 6 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: uvm_fault_unwire_locked: address not in map ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830b7600) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806bd90370,20000000,20001000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd806bd90370,20000000,20001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1623 sysctl_vsunlock(20000140,0) at sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:204 net_sysctl(ffff8000371e3cf4,3,20000140,ffff8000371e3d28,0,0,7d660f166b1f8b1a) at net_sysctl+0x69a sys/kern/uipc_domain.c:251 sys_sysctl(ffff80002d9c6ce8,ffff8000371e3e60,ffff8000371e3db0) at sys_sysctl+0x422 syscall(ffff8000371e3e60) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000371e3e60) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb7ee0b83ef0, count: -9 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff8000371e3a70 rbx 0xffff800029b7cd87 rdx 0 rcx 0xffff80002d9c6ce8 rax 0xffff800029b7bff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x97c656665ab3e81b r11 0xeb02e9c272bbffdd r12 0xffff800029b7cb88 r13 0 r14 0 r15 0x1 rip 0xffffffff82c37115 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff8000371e3a60 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=498772 pid=96422 tcnt=4 stat=onproc flags process=10 proc=4000000 runpri=36, usrpri=50, slppri=36, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002d9c7708,0xffffffff834f9828 process=0xffff800029fea448 user=0xffff8000371de000, vmspace=0xfffffd806bd90370 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 96422 441019 3338 32767 2 0x10 syz-executor 96422 173342 3338 32767 7 0x4000010 syz-executor 96422 246187 3338 32767 3 0x4000090 fsleep syz-executor *96422 498772 3338 32767 7 0x4000010 syz-executor 68417 15894 50766 32767 3 0x90 nanoslp syz-executor 68417 251610 50766 32767 3 0x4000090 sbwait syz-executor 68417 281892 50766 32767 3 0x4000090 fsleep syz-executor 94819 166894 48716 32767 3 0x90 nanoslp syz-executor 94819 470639 48716 32767 3 0x4000090 kqsel syz-executor 94819 343702 48716 32767 3 0x4000090 fsleep syz-executor 77521 285106 77918 32767 3 0x90 nanoslp syz-executor 77521 472981 77918 32767 3 0x4000090 kqread syz-executor 77521 256065 77918 32767 3 0x4000090 fsleep syz-executor 30162 14873 4743 32767 3 0x90 nanoslp syz-executor 30162 154507 4743 32767 3 0x4000090 fifor syz-executor 30162 314701 4743 32767 3 0x4000090 fsleep syz-executor 30162 452 4743 32767 3 0x4000090 fsleep syz-executor 96058 362642 11609 32767 3 0x10 biowait syz-executor 11609 363157 67495 0 3 0x82 wait syz-executor 4743 513896 97897 32767 3 0x90 nanoslp syz-executor 97897 449147 67495 0 3 0x82 wait syz-executor 50766 38041 75183 32767 3 0x90 nanoslp syz-executor 75183 216256 67495 0 3 0x82 wait syz-executor 30206 384587 2292 32767 3 0x90 wait syz-executor 2292 221116 67495 0 3 0x82 wait syz-executor 3338 408280 39742 32767 3 0x90 nanoslp syz-executor 39742 193360 67495 0 3 0x82 wait syz-executor 77918 52557 3919 32767 3 0x90 nanoslp syz-executor 3919 421205 67495 0 3 0x82 wait syz-executor 18405 71661 67495 0 3 0x82 wait syz-executor 48716 515075 42805 32767 3 0x90 nanoslp syz-executor 42805 398100 67495 0 3 0x82 wait syz-executor 77759 17906 22456 0 3 0x82 netio sshd-session 4495 366288 88868 0 3 0x100082 sbwait arp 88868 377538 63439 0 3 0x10008a sigsusp sh 63439 174135 1 0 3 0x80 wait syz-executor 81631 323526 0 0 3 0x14200 bored sosplice 67495 26939 44298 0 3 0x82 kqread syz-executor 44298 60332 38859 0 3 0x10008a sigsusp ksh 38859 189525 95596 0 3 0x98 kqread sshd-session 95596 506726 22456 0 3 0x92 kqread sshd-session 37905 336058 1 0 3 0x100083 ttyin getty 22456 223226 1 0 3 0x88 kqread sshd 53220 239741 58576 73 3 0x1100090 kqread syslogd 58576 347304 1 0 3 0x100082 sbwait syslogd 18581 470027 1 0 3 0x100080 kqread resolvd 10686 378210 46335 77 3 0x100092 kqread dhcpleased 91765 50013 46335 77 3 0x100092 kqread dhcpleased 46335 274513 1 0 3 0x80 kqread dhcpleased 20596 462581 0 0 3 0x14200 bored smr 99531 421260 0 0 3 0x14200 pgzero zerothread 30301 46371 0 0 3 0x14200 aiodoned aiodoned 92939 278152 0 0 3 0x14200 syncer update 71929 456856 0 0 3 0x14200 cleaner cleaner 13449 2054 0 0 3 0x14200 reaper reaper 43981 414610 0 0 3 0x14200 pgdaemon pagedaemon 760 25309 0 0 3 0x14200 bored viomb 28810 20510 0 0 3 0x40014200 acpi0 acpi0 82278 306811 0 0 3 0x40014200 idle1 88701 289639 0 0 3 0x14200 bored softnet3 57373 91271 0 0 3 0x14200 bored softnet2 44504 81054 0 0 3 0x14200 bored softnet1 68188 47999 0 0 3 0x14200 bored softnet0 50568 423576 0 0 3 0x14200 bored systqmp 67431 239103 0 0 3 0x14200 bored systq 50876 295457 0 0 3 0x14200 tmoslp softclockmp 80231 162142 0 0 3 0x40014200 tmoslp softclock 83944 54761 0 0 3 0x40014200 idle0 1 188382 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 96422 (syz-executor) thread 0xffff80002d9c6ce8 (498772) shared rwlock vmmaplk r = 0 (0xfffffd806bd90460) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 uvm_fault_unwire+0x3e sys/uvm/uvm_fault.c:1622 #2 sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:204 #3 net_sysctl+0x69a sys/kern/uipc_domain.c:251 #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 kernel_lock &kernel_lock r = 0 (0xffffffff835105f0) #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+0x658 sys/kern/sched_bsd.c:460 #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 net_sysctl+0x5a1 sys/kern/uipc_domain.c:245 #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 (0xffffffff83466850) #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 net_sysctl+0x5a1 sys/kern/uipc_domain.c:245 #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 Process 96058 (syz-executor) thread 0xffff800035798530 (362642) exclusive rrwlock inode r = 0 (0xfffffd80625b9810) #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 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:169 #5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1230 #6 ffs_inode_alloc+0x283 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0x113 sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3099 #10 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #10 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd80685a4918) #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 domkdirat+0x8b sys/kern/vfs_syscalls.c:3084 #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 10235 14126K 14131K 166960K 13154 0 pcb 17 20K 22K 166960K 25 0 rtable 242 6K 7K 166960K 21617 0 pf 31 16K 16K 166960K 1267 0 ifaddr 42 15K 19K 166960K 2497 0 ifgroup 50 2K 2K 166960K 2512 0 sysctl 4 1K 5K 166960K 96 0 counters 64 36K 36K 166960K 1290 0 ioctlops 0 0K 2K 166960K 1338 0 iov 0 0K 32K 166960K 3844 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1477 93K 93K 166960K 16911 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 3 5K 13K 166960K 665 0 VM map 2 1K 1K 166960K 2 0 sem 12 1K 1K 166960K 1120 0 dirhash 27 5K 5K 166960K 864 0 ACPI 1690 195K 286K 166960K 12418 0 file desc 27 101K 173K 166960K 39375 0 sigio 1 0K 0K 166960K 1182 0 proc 58 79K 176K 166960K 21135 0 subproc 117 7K 13K 166960K 9191 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 9203 0 in_multi 99 7K 8K 166960K 8476 0 ether_multi 1 0K 0K 166960K 319 0 mrt 1 0K 0K 166960K 7 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 349 1553K 1553K 166960K 349 0 exec 0 0K 1K 166960K 15419 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 300 84K 140K 166960K 337756 0 UVM aobj 131 5K 7K 166960K 135 0 pinsyscall 51 102K 138K 166960K 57844 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 1 0K 1K 166960K 2825 0 NDP 11 0K 2K 166960K 1855 0 temp 80 6824K 6952K 166960K 251493 0 kqueue 15 24K 36K 166960K 6370 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 6487 0 6483 48 45 3 5 0 8 2 rtentry 112 7245 0 7131 16 12 4 4 0 8 0 unpcb 144 38022 0 38003 171 165 6 10 0 8 5 syncache 336 609 0 609 28 27 1 1 0 8 1 tcpqe 32 284 0 284 49 48 1 1 0 8 1 tcpcb 808 25231 0 25177 294 282 12 20 0 8 4 arp 120 1259 0 1241 1 0 1 1 0 8 0 ipq 40 332 0 329 4 3 1 1 0 8 0 ipqe 40 8183 0 8180 4 3 1 1 0 8 0 inpcb 336 58797 0 58731 322 311 11 24 0 8 0 ip6q 72 17 0 17 14 14 0 1 0 8 0 ip6af 40 34 0 34 14 14 0 1 0 8 0 nd6 136 2261 0 2233 11 9 2 2 0 8 0 kcovpl 48 707 0 698 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 29453 0 28981 192 162 30 34 0 8 0 art_table 32 29454 0 28981 12 8 4 5 0 8 0 art_node 16 7244 0 7140 1 0 1 1 0 8 0 sysvmsgpl 40 23 0 13 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 1116 0 1106 1 0 1 1 0 8 0 shmpl 112 132 0 4 4 0 4 4 0 8 0 dirhash 1024 600 0 565 9 4 5 5 0 8 0 dino2pl 256 51011 0 47297 233 0 233 233 0 8 0 ffsino 272 51011 0 47297 248 0 248 248 0 8 0 nchpl 144 93896 0 90726 120 2 118 118 0 8 0 uvmvnodes 80 10736 0 0 220 0 220 220 0 8 0 vnodes 216 10736 0 0 597 0 597 597 0 8 0 namei 1024 409844 0 409843 60 59 1 3 0 8 0 percpumem 16 659 0 613 1 0 1 1 0 8 0 kstatmem 264 1248 0 1226 2 0 2 2 0 8 0 scxspl 216 400287 0 400286 94 91 3 8 1 8 2 plimitpl 152 12626 0 12597 2 0 2 2 0 8 0 sigapl 424 38577 0 38518 13 5 8 9 0 8 0 futexpl 64 459023 0 459017 24 23 1 1 0 8 0 knotepl 120 1760 0 0 24 0 24 24 0 8 0 kqueuepl 216 13261 0 13247 104 101 3 7 0 8 2 pipepl 320 7856 0 7825 91 88 3 10 0 8 0 fdescpl 496 38558 0 38518 23 17 6 8 0 8 0 filepl 152 284377 0 284090 200 183 17 28 0 8 2 lockfpl 104 11038 0 11036 8 7 1 2 0 8 0 lockfspl 48 2989 0 2987 1 0 1 1 0 8 0 sessionpl 144 955 0 937 1 0 1 1 0 8 0 pgrppl 48 2630 0 2604 1 0 1 1 0 8 0 ucredpl 104 56133 0 56114 1 0 1 1 0 8 0 zombiepl 144 38520 0 38518 1 0 1 1 0 8 0 processpl 1160 38577 0 38518 7 1 6 6 0 8 0 procpl 648 90001 0 89930 11 3 8 8 0 8 0 srpgc 96 26 0 26 11 11 0 1 0 8 0 sosppl 168 449 0 446 18 17 1 1 0 8 0 sockpl 664 104248 0 104158 440 422 18 35 0 8 5 mcl64k 65536 59 0 0 6 3 3 4 0 8 0 mcl16k 16384 7 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 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 7 0 0 1 0 1 1 0 8 0 mcl2k2 2112 6 0 0 1 0 1 1 0 8 0 mcl2k 2048 749 0 0 30 9 21 29 0 8 0 mtagpl 96 7 0 0 1 0 1 1 0 8 0 mbufpl 256 3832 0 0 176 1 175 175 0 8 0 bufpl 280 67133 0 56396 768 0 768 768 0 8 0 anonpl 24 4707867 0 4697961 552 442 110 110 0 185 21 amapchunkpl 152 1130863 0 1130023 318 279 39 56 0 158 0 amappl16 200 110899 0 110698 672 644 28 36 0 8 8 amappl15 192 14 0 12 1 0 1 1 0 8 0 amappl14 184 1994 0 1981 1 0 1 1 0 8 0 amappl13 176 90 0 90 39 39 0 1 0 8 0 amappl12 168 49279 0 49238 7 4 3 3 0 8 0 amappl11 160 45 0 34 1 0 1 1 0 8 0 amappl10 152 4 0 3 2 1 1 1 0 8 0 amappl9 144 230 0 228 1 0 1 1 0 8 0 amappl8 136 19 0 17 1 0 1 1 0 8 0 amappl7 128 1709 0 1696 1 0 1 1 0 8 0 amappl6 120 6279 0 6276 1 0 1 1 0 8 0 amappl5 112 2902 0 2891 1 0 1 1 0 8 0 amappl4 104 3430 0 3414 1 0 1 1 0 8 0 amappl3 96 225758 0 225614 9 4 5 5 0 8 0 amappl2 88 12948 0 12873 4 1 3 3 0 8 0 amappl1 80 244248 0 243593 43 25 18 24 0 8 0 amappl 88 328608 0 328372 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 72 134 0 4 3 0 3 3 0 8 0 uaddrrnd 24 38558 0 38518 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 38558 0 38518 1 0 1 1 0 8 0 vmmpekpl 168 341404 0 341351 9 5 4 5 0 8 0 vmmpepl 168 2432646 0 2430217 503 373 130 144 0 357 9 vmsppl 440 38557 0 38518 23 17 6 7 0 8 0 rwobjpl 56 644120 0 632019 228 51 177 177 0 8 1 pdppl 4096 77123 0 77036 1624 1533 91 121 0 8 4 pvpl 32 35162 0 0 276 1 275 275 0 265 0 pmappl 248 38557 0 38518 6 2 4 4 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 3231 0 2393 25 0 25 25 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff834d7ff0) 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(ffffffff835103e8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835103e8) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80002a0e8100,ffff800000079f80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff835103e8) at __mp_lock+0x19e __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835103e8) at __mp_lock+0x19e sys/kern/kern_lock.c:144 vn_write(fffffd80798e7be0,ffff80002a0e8328,0) at vn_write+0x4e sys/kern/vfs_vnops.c:393 dofilewritev(ffff80002d9c6f70,c8,ffff80002a0e8328,0,ffff80002a0e83e0) at dofilewritev+0x23c sys/kern/sys_generic.c:380 sys_write(ffff80002d9c6f70,ffff80002a0e8490,ffff80002a0e83e0) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff80002a0e8490) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a0e8490) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb7f072b5590, count: 3 ddb{0}> trace x86_ipi_db(ffffffff834d7ff0) 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(ffffffff835103e8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835103e8) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80002a0e8100,ffff800000079f80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff835103e8) at __mp_lock+0x19e __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835103e8) at __mp_lock+0x19e sys/kern/kern_lock.c:144 vn_write(fffffd80798e7be0,ffff80002a0e8328,0) at vn_write+0x4e sys/kern/vfs_vnops.c:393 dofilewritev(ffff80002d9c6f70,c8,ffff80002a0e8328,0,ffff80002a0e83e0) at dofilewritev+0x23c sys/kern/sys_generic.c:380 sys_write(ffff80002d9c6f70,ffff80002a0e8490,ffff80002a0e83e0) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff80002a0e8490) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a0e8490) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb7f072b5590, 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(ffffffff830b7600) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806bd90370,20000000,20001000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd806bd90370,20000000,20001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1623 sysctl_vsunlock(20000140,0) at sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:204 net_sysctl(ffff8000371e3cf4,3,20000140,ffff8000371e3d28,0,0,7d660f166b1f8b1a) at net_sysctl+0x69a sys/kern/uipc_domain.c:251 sys_sysctl(ffff80002d9c6ce8,ffff8000371e3e60,ffff8000371e3db0) at sys_sysctl+0x422 syscall(ffff8000371e3e60) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000371e3e60) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb7ee0b83ef0, count: 6 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830b7600) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806bd90370,20000000,20001000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd806bd90370,20000000,20001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1623 sysctl_vsunlock(20000140,0) at sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:204 net_sysctl(ffff8000371e3cf4,3,20000140,ffff8000371e3d28,0,0,7d660f166b1f8b1a) at net_sysctl+0x69a sys/kern/uipc_domain.c:251 sys_sysctl(ffff80002d9c6ce8,ffff8000371e3e60,ffff8000371e3db0) at sys_sysctl+0x422 syscall(ffff8000371e3e60) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000371e3e60) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb7ee0b83ef0, count: -9