panic: uvm_fault_unwire_locked: address not in map Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 258257 88737 32767 0x10 0 0 syz-executor *509439 88737 32767 0x10 0x4000000 1 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830b6c73) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806c35ec18,20000000,20002000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd806c35ec18,20000000,20002000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1623 kern_sysctl(ffff80002a086d34,5,20000100,ffff80002a086d68,0,37,219602e4786d232e) at kern_sysctl+0x38e sysctl_vsunlock sys/kern/kern_sysctl.c:204 [inline] kern_sysctl(ffff80002a086d34,5,20000100,ffff80002a086d68,0,37,219602e4786d232e) at kern_sysctl+0x38e sys/kern/kern_sysctl.c:502 sys_sysctl(ffff80002c1282e0,ffff80002a086ea0,ffff80002a086df0) at sys_sysctl+0x422 syscall(ffff80002a086ea0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a086ea0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x4f702b1fa0, count: 7 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(ffffffff830b6c73) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806c35ec18,20000000,20002000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd806c35ec18,20000000,20002000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1623 kern_sysctl(ffff80002a086d34,5,20000100,ffff80002a086d68,0,37,219602e4786d232e) at kern_sysctl+0x38e sysctl_vsunlock sys/kern/kern_sysctl.c:204 [inline] kern_sysctl(ffff80002a086d34,5,20000100,ffff80002a086d68,0,37,219602e4786d232e) at kern_sysctl+0x38e sys/kern/kern_sysctl.c:502 sys_sysctl(ffff80002c1282e0,ffff80002a086ea0,ffff80002a086df0) at sys_sysctl+0x422 syscall(ffff80002a086ea0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a086ea0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x4f702b1fa0, count: -8 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002a0869e0 rbx 0xffff800029b7cdcf rdx 0 rcx 0xffff80002c1282e0 rax 0xffff800029b7bff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x202e79a5bef10aba r11 0x3cdf536efbd36bc r12 0xffff800029b7cbd0 r13 0 r14 0 r15 0x1 rip 0xffffffff82d0b265 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a0869d0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=509439 pid=88737 tcnt=3 stat=onproc flags process=10 proc=4000000 runpri=36, usrpri=86, slppri=36, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002c128058,0xffff80002c129c40 process=0xffff800032feed68 user=0xffff80002a081000, vmspace=0xfffffd806c35ec18 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 88737 258257 28067 32767 7 0x10 syz-executor *88737 509439 28067 32767 7 0x4000010 syz-executor 88737 334925 28067 32767 3 0x4000090 fsleep syz-executor 88697 57966 33443 32767 2 0x10 syz-executor 88697 62297 33443 32767 3 0x4000090 fsleep syz-executor 46039 263059 733 32767 2 0x10 syz-executor 46039 273948 733 32767 3 0x4000090 fsleep syz-executor 21464 324783 66032 32767 3 0x90 nanoslp syz-executor 21464 129789 66032 32767 3 0x4000090 kqread syz-executor 21464 113363 66032 32767 3 0x4000090 fsleep syz-executor 55526 118107 43990 32767 3 0x10 biowait syz-executor 43990 90733 3895 0 3 0x82 wait syz-executor 10545 82206 17400 32767 3 0x90 nanoslp syz-executor 10545 306255 17400 32767 3 0x4000090 fsleep syz-executor 10545 227067 17400 32767 3 0x4000090 fsleep syz-executor 10545 392366 17400 32767 3 0x4000090 sbwait syz-executor 85604 9374 15061 32767 3 0x90 nanoslp syz-executor 85604 489483 15061 32767 3 0x4000090 kqsel syz-executor 85604 388206 15061 32767 3 0x4000090 fsleep syz-executor 85604 1833 15061 32767 3 0x4000090 fsleep syz-executor 66032 15397 5945 32767 3 0x90 nanoslp syz-executor 5945 439275 3895 0 3 0x82 wait syz-executor 49458 510040 68245 32767 3 0x90 nanoslp syz-executor 68245 118875 3895 0 3 0x82 wait syz-executor 28067 84461 50108 32767 3 0x90 nanoslp syz-executor 50108 372568 3895 0 3 0x82 wait syz-executor 28523 114800 29943 0 3 0x82 netio sshd-session 17400 128996 41869 32767 3 0x90 nanoslp syz-executor 41869 284197 3895 0 3 0x82 wait syz-executor 15061 431037 83240 32767 3 0x90 nanoslp syz-executor 83240 285061 3895 0 3 0x82 wait syz-executor 56902 103025 29943 0 3 0x82 netio sshd-session 733 417878 73398 32767 3 0x90 nanoslp syz-executor 73398 219940 3895 0 3 0x82 wait syz-executor 33443 405533 38315 32767 3 0x90 nanoslp syz-executor 38315 508025 3895 0 3 0x82 wait syz-executor 71700 348760 0 0 3 0x14200 bored sosplice 3895 50626 55531 0 3 0x82 kqread syz-executor 55531 336208 24002 0 3 0x10008a sigsusp ksh 24002 479833 39881 0 3 0x98 kqread sshd-session 39881 41882 29943 0 3 0x92 kqread sshd-session 21540 420360 1 0 3 0x100083 ttyin getty 29943 224974 1 0 3 0x88 kqread sshd 32732 20098 24471 73 3 0x1100090 kqread syslogd 24471 165744 1 0 3 0x100082 sbwait syslogd 65994 499441 1 0 3 0x100080 kqread resolvd 10825 58823 87909 77 3 0x100092 kqread dhcpleased 39913 117895 87909 77 3 0x100092 kqread dhcpleased 87909 502186 1 0 3 0x80 kqread dhcpleased 62780 496813 0 0 3 0x14200 bored smr 6873 158571 0 0 2 0x14200 zerothread 62029 148881 0 0 3 0x14200 aiodoned aiodoned 72824 16984 0 0 3 0x14200 syncer update 5719 48778 0 0 3 0x14200 cleaner cleaner 67996 34899 0 0 3 0x14200 reaper reaper 26548 149051 0 0 3 0x14200 pgdaemon pagedaemon 89602 229674 0 0 3 0x14200 bored viomb 95369 14491 0 0 3 0x40014200 acpi0 acpi0 15576 225740 0 0 3 0x40014200 idle1 86939 98824 0 0 3 0x14200 bored softnet3 7973 420021 0 0 3 0x14200 bored softnet2 31564 350400 0 0 3 0x14200 bored softnet1 66515 392356 0 0 3 0x14200 bored softnet0 15899 493492 0 0 3 0x14200 bored systqmp 57852 356303 0 0 3 0x14200 bored systq 47161 211112 0 0 3 0x14200 tmoslp softclockmp 73614 325684 0 0 3 0x40014200 tmoslp softclock 81753 467243 0 0 3 0x40014200 idle0 1 250858 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 88737 (syz-executor) thread 0xffff80002c1282e0 (509439) shared rwlock vmmaplk r = 0 (0xfffffd806c35ed08) #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 kern_sysctl+0x38e sysctl_vsunlock sys/kern/kern_sysctl.c:204 [inline] #2 kern_sysctl+0x38e sys/kern/kern_sysctl.c:502 #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 (0xffffffff834f7730) #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 kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 #9 kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 #10 alltraps_kern_meltdown+0x7b #11 copyout+0x62 #12 kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 #13 sys_sysctl+0x422 #14 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #14 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #15 Xsyscall+0x128 exclusive rwlock sysctllk r = 0 (0xffffffff834ccdb0) #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 Process 88737 (syz-executor) thread 0xffff80002c129c30 (334925) exclusive rwlock amaplk r = 0 (0xfffffd8065d7b5c0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 amap_unref+0x38 sys/uvm/uvm_amap.c:1360 #2 uvm_unmap_detach+0x8a sys/uvm/uvm_map.c:1353 #3 sys_munmap+0x32f sys/uvm/uvm_mmap.c:539 #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 Process 55526 (syz-executor) thread 0xffff8000ffffcf40 (118107) exclusive rrwlock inode r = 0 (0xfffffd805870f5f8) #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 (0xfffffd80668f5f80) #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 10225 14125K 14131K 166960K 12880 0 pcb 17 24K 28K 166960K 27 0 rtable 248 7K 7K 166960K 19366 0 pf 31 16K 16K 166960K 1088 0 ifaddr 42 15K 19K 166960K 2147 0 ifgroup 50 2K 2K 166960K 2157 0 sysctl 4 1K 5K 166960K 160 0 counters 64 36K 36K 166960K 1114 0 ioctlops 0 0K 2K 166960K 1560 0 iov 0 0K 50K 166960K 4187 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1460 92K 92K 166960K 14831 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 13K 166960K 621 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 1403 0 dirhash 27 5K 5K 166960K 948 0 ACPI 1690 195K 286K 166960K 12418 0 file desc 25 93K 157K 166960K 38620 0 sigio 0 0K 0K 166960K 1206 0 proc 58 79K 176K 166960K 18727 0 subproc 104 6K 12K 166960K 7605 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 1 0K 0K 166960K 9692 0 in_multi 99 7K 7K 166960K 7493 0 ether_multi 1 0K 0K 166960K 265 0 mrt 1 0K 0K 166960K 11 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 289 1288K 1288K 166960K 289 0 exec 0 0K 1K 166960K 15020 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 300 77K 131K 166960K 339995 0 UVM aobj 131 6K 6K 166960K 145 0 pinsyscall 50 100K 130K 166960K 55269 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 1 0K 0K 166960K 3053 0 NDP 13 0K 2K 166960K 1593 0 temp 76 6824K 6952K 166960K 251981 0 kqueue 17 28K 37K 166960K 6434 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 6601 0 6597 46 45 1 4 0 8 0 rtentry 112 6264 0 6147 8 4 4 4 0 8 0 unpcb 144 39626 0 39602 171 167 4 10 0 8 3 syncache 336 707 0 707 26 25 1 1 0 8 1 tcpqe 32 306 0 306 39 38 1 1 0 8 1 tcpcb 808 27227 0 27173 268 258 10 23 0 8 1 arp 120 1085 0 1066 1 0 1 1 0 8 0 ipq 40 236 0 229 5 4 1 1 0 8 0 ipqe 40 3421 0 3412 7 6 1 2 0 8 0 inpcb 336 60563 0 60502 330 314 16 32 0 8 4 ip6q 72 3 0 3 3 3 0 1 0 8 0 ip6af 40 6 0 6 3 3 0 1 0 8 0 nd6 136 1978 0 1948 10 8 2 2 0 8 0 kcovpl 48 585 0 577 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 25290 0 24798 154 122 32 33 0 8 0 art_table 32 25291 0 24798 9 4 5 5 0 8 0 art_node 16 6263 0 6156 1 0 1 1 0 8 0 sysvmsgpl 40 23 0 12 2 1 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 1401 0 1391 1 0 1 1 0 8 0 shmpl 112 142 0 14 4 0 4 4 0 8 0 dirhash 1024 648 0 617 12 7 5 5 0 8 1 dino2pl 256 51443 0 47945 219 0 219 219 0 8 0 ffsino 272 51443 0 47945 234 0 234 234 0 8 0 nchpl 144 94647 0 91475 119 1 118 118 0 8 0 uvmvnodes 80 10029 0 0 205 0 205 205 0 8 0 vnodes 216 10029 0 0 558 0 558 558 0 8 0 namei 1024 404889 0 404888 41 40 1 2 0 8 0 percpumem 16 571 0 525 1 0 1 1 0 8 0 kstatmem 264 1072 0 1050 2 0 2 2 0 8 0 scxspl 216 375009 0 375008 88 85 3 8 1 8 2 plimitpl 152 14353 0 14326 3 1 2 2 0 8 0 sigapl 424 38158 0 38100 17 10 7 9 0 8 0 futexpl 64 471310 0 471302 21 20 1 1 0 8 0 knotepl 120 1664 0 0 18 0 18 18 0 8 0 kqueuepl 216 13948 0 13928 103 101 2 5 0 8 0 pipepl 320 8417 0 8388 115 111 4 9 0 8 1 fdescpl 496 38139 0 38100 15 9 6 7 0 8 0 filepl 152 287726 0 287447 209 194 15 23 0 8 2 lockfpl 104 10349 0 10345 7 6 1 3 0 8 0 lockfspl 48 2445 0 2441 1 0 1 1 0 8 0 sessionpl 144 959 0 941 1 0 1 1 0 8 0 pgrppl 48 2296 0 2270 1 0 1 1 0 8 0 ucredpl 104 55269 0 55250 1 0 1 1 0 8 0 zombiepl 144 38101 0 38100 1 0 1 1 0 8 0 processpl 1160 38158 0 38100 11 6 5 6 0 8 0 procpl 648 91425 0 91355 12 5 7 7 0 8 0 srpgc 96 21 0 21 9 9 0 1 0 8 0 sosppl 168 502 0 499 16 15 1 1 0 8 0 sockpl 664 107752 0 107664 526 509 17 34 0 8 2 mcl64k 65536 76 0 0 4 1 3 3 0 8 0 mcl16k 16384 9 0 0 2 0 2 2 0 8 0 mcl12k 12288 5 0 0 1 0 1 1 0 8 0 mcl9k 9216 5 0 0 1 0 1 1 0 8 0 mcl8k 8192 18 0 0 3 0 3 3 0 8 0 mcl4k 4096 5 0 0 1 0 1 1 0 8 0 mcl2k2 2112 6 0 0 1 0 1 1 0 8 0 mcl2k 2048 720 0 0 33 10 23 31 0 8 0 mtagpl 96 7 0 0 1 0 1 1 0 8 0 mbufpl 256 4632 0 0 232 0 232 232 0 8 0 bufpl 280 62491 0 52432 719 0 719 719 0 8 0 anonpl 24 4827554 0 4815428 538 441 97 112 0 185 1 amapchunkpl 152 1121982 0 1121116 348 306 42 51 0 158 4 amappl16 200 116553 0 116234 616 587 29 38 0 8 5 amappl15 192 10 0 10 4 3 1 1 0 8 1 amappl14 184 2002 0 1990 1 0 1 1 0 8 0 amappl13 176 52 0 52 25 25 0 1 0 8 0 amappl12 168 47531 0 47492 15 13 2 3 0 8 0 amappl11 160 48 0 37 1 0 1 1 0 8 0 amappl10 152 12 0 11 2 1 1 1 0 8 0 amappl9 144 146 0 145 2 1 1 1 0 8 0 amappl8 136 22 0 20 1 0 1 1 0 8 0 amappl7 128 1573 0 1559 1 0 1 1 0 8 0 amappl6 120 5385 0 5382 1 0 1 1 0 8 0 amappl5 112 2635 0 2623 1 0 1 1 0 8 0 amappl4 104 3543 0 3526 1 0 1 1 0 8 0 amappl3 96 228879 0 228736 5 1 4 5 0 8 0 amappl2 88 12785 0 12706 3 0 3 3 0 8 0 amappl1 80 259644 0 258922 38 22 16 19 0 8 0 amappl 88 330659 0 330426 9 3 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 72 144 0 14 3 0 3 3 0 8 0 uaddrrnd 24 38139 0 38100 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 38139 0 38100 1 0 1 1 0 8 0 vmmpekpl 168 347970 0 347918 6 1 5 5 0 8 0 vmmpepl 168 2448323 0 2445696 467 339 128 138 0 357 2 vmsppl 440 38138 0 38100 9 4 5 6 0 8 0 rwobjpl 56 661936 0 650369 210 43 167 167 0 8 2 pdppl 4096 76285 0 76200 1371 1282 89 115 0 8 4 pvpl 32 46146 0 0 372 1 371 371 0 265 0 pmappl 248 38138 0 38100 5 2 3 4 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 2934 0 2061 26 0 26 26 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff834b3ff0) 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(ffffffff834f7528) at __mp_lock+0x19e __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff834f7528) at __mp_lock+0x19e sys/kern/kern_lock.c:144 intr_handler(ffff80002a0800b0,ffff800000079f80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f Xsyscall() at Xsyscall+0x111 end of kernel end trace frame: 0x748cc9a88b40, count: 8 ddb{0}> trace x86_ipi_db(ffffffff834b3ff0) 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(ffffffff834f7528) at __mp_lock+0x19e __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff834f7528) at __mp_lock+0x19e sys/kern/kern_lock.c:144 intr_handler(ffff80002a0800b0,ffff800000079f80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f Xsyscall() at Xsyscall+0x111 end of kernel end trace frame: 0x748cc9a88b40, count: -7 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(ffffffff830b6c73) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806c35ec18,20000000,20002000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd806c35ec18,20000000,20002000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1623 kern_sysctl(ffff80002a086d34,5,20000100,ffff80002a086d68,0,37,219602e4786d232e) at kern_sysctl+0x38e sysctl_vsunlock sys/kern/kern_sysctl.c:204 [inline] kern_sysctl(ffff80002a086d34,5,20000100,ffff80002a086d68,0,37,219602e4786d232e) at kern_sysctl+0x38e sys/kern/kern_sysctl.c:502 sys_sysctl(ffff80002c1282e0,ffff80002a086ea0,ffff80002a086df0) at sys_sysctl+0x422 syscall(ffff80002a086ea0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a086ea0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x4f702b1fa0, count: 7 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830b6c73) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806c35ec18,20000000,20002000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd806c35ec18,20000000,20002000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1623 kern_sysctl(ffff80002a086d34,5,20000100,ffff80002a086d68,0,37,219602e4786d232e) at kern_sysctl+0x38e sysctl_vsunlock sys/kern/kern_sysctl.c:204 [inline] kern_sysctl(ffff80002a086d34,5,20000100,ffff80002a086d68,0,37,219602e4786d232e) at kern_sysctl+0x38e sys/kern/kern_sysctl.c:502 sys_sysctl(ffff80002c1282e0,ffff80002a086ea0,ffff80002a086df0) at sys_sysctl+0x422 syscall(ffff80002a086ea0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a086ea0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x4f702b1fa0, count: -8