panic: kernel diagnostic assertion "va >= entry->start" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_fault.c", line 1739 Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *340470 34924 60928 0x10 0x4000000 1K syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83439649) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833e90d4,ffffffff8338448c,6cb,ffffffff8333e1b3) at __assert+0x29 uvm_fault_unwire_locked(fffffd806be7b1e0,400000000000,400000011000) at uvm_fault_unwire_locked+0x4c1 uvm_fault_unwire(fffffd806be7b1e0,400000000000,400000011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1702 kern_sysctl_dirs(49,ffff80003c535cc8,4,400000000100,ffff80003c535cf8,0,3044112a9dce92df,4) at kern_sysctl_dirs+0x340 sysctl_vsunlock sys/kern/kern_sysctl.c:213 [inline] kern_sysctl_dirs(49,ffff80003c535cc8,4,400000000100,ffff80003c535cf8,0,3044112a9dce92df,4) at kern_sysctl_dirs+0x340 sys/kern/kern_sysctl.c:430 kern_sysctl(ffff80003c535cc4,5,400000000100,ffff80003c535cf8,0,37,e2996ad60f6113e1) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:524 sys_sysctl(ffff80003c4f0028,ffff80003c535e30,ffff80003c535d80) at sys_sysctl+0x425 syscall(ffff80003c535e30) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c535e30) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5b8ff002ed0, count: 5 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: kernel diagnostic assertion "va >= entry->start" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_fault.c", line 1739 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83439649) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833e90d4,ffffffff8338448c,6cb,ffffffff8333e1b3) at __assert+0x29 uvm_fault_unwire_locked(fffffd806be7b1e0,400000000000,400000011000) at uvm_fault_unwire_locked+0x4c1 uvm_fault_unwire(fffffd806be7b1e0,400000000000,400000011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1702 kern_sysctl_dirs(49,ffff80003c535cc8,4,400000000100,ffff80003c535cf8,0,3044112a9dce92df,4) at kern_sysctl_dirs+0x340 sysctl_vsunlock sys/kern/kern_sysctl.c:213 [inline] kern_sysctl_dirs(49,ffff80003c535cc8,4,400000000100,ffff80003c535cf8,0,3044112a9dce92df,4) at kern_sysctl_dirs+0x340 sys/kern/kern_sysctl.c:430 kern_sysctl(ffff80003c535cc4,5,400000000100,ffff80003c535cf8,0,37,e2996ad60f6113e1) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:524 sys_sysctl(ffff80003c4f0028,ffff80003c535e30,ffff80003c535d80) at sys_sysctl+0x425 syscall(ffff80003c535e30) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c535e30) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5b8ff002ed0, count: -10 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80003c5358a0 rbx 0xffff800029aacdc7 rdx 0 rcx 0xffff80003c4f0028 rax 0xffff800029aabff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x3e9346498657cf21 r11 0xc51308c5743734ed r12 0xffff800029aacbc8 r13 0 r14 0 r15 0x1 rip 0xffffffff8151b4e5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c535890 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=340470 pid=34924 tcnt=4 stat=onproc flags process=10 proc=4000000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003c4f1c58,0xffff80003c4f0d08 process=0xffff8000314b3dd0 user=0xffff80003c530000, vmspace=0xfffffd806be7b1e0 estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=2, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 34924 420275 41239 60928 3 0x90 nanoslp syz-executor *34924 340470 41239 60928 7 0x4000010 syz-executor 34924 87010 41239 60928 3 0x4000090 fsleep syz-executor 34924 236181 41239 60928 3 0x4000090 fsleep syz-executor 90380 70483 66796 0 3 0x1000080 nanoslp syz-executor 90380 283152 66796 0 3 0x5000080 sbwait syz-executor 90380 184936 66796 0 3 0x5000080 fsleep syz-executor 86483 508716 95259 0 3 0x80 nanoslp syz-executor 86483 364040 95259 0 3 0x4000080 kqread syz-executor 86483 426888 95259 0 3 0x4000080 fsleep syz-executor 101 242555 22294 60928 3 0x90 nanoslp syz-executor 101 293254 22294 60928 3 0x4000090 kqread syz-executor 101 10873 22294 60928 3 0x4000090 fsleep syz-executor 3098 457194 70295 0 3 0x80 nanoslp syz-executor 3098 100241 70295 0 3 0x4000080 msgwait syz-executor 3098 252620 70295 0 3 0x4000080 fsleep syz-executor 4768 300175 0 0 3 0x14200 acct acct 80188 291790 1 0 3 0x100083 ttyin getty 96537 179002 0 0 3 0x14200 bored sosplice 38033 50458 66468 0 3 0x100082 sbwait arp 66468 131625 59157 0 3 0x10008a sigsusp sh 95259 7109 85490 0 3 0x82 nanoslp syz-executor 22294 207992 85490 0 3 0x82 nanoslp syz-executor 62853 116986 85490 0 3 0x82 nanoslp syz-executor 66796 17965 85490 0 3 0x82 nanoslp syz-executor 41239 17321 85490 0 3 0x82 nanoslp syz-executor 59157 318840 85490 0 3 0x82 wait syz-executor 70295 388621 85490 0 3 0x82 nanoslp syz-executor 35525 200533 85490 0 3 0x82 wait syz-executor 85490 381964 12778 0 3 0x82 kqread syz-executor 12778 418456 89028 0 3 0x10008a sigsusp ksh 89028 455340 62639 0 3 0x98 kqread sshd-session 62639 444424 3908 0 3 0x92 kqread sshd-session 3908 129654 1 0 3 0x88 kqread sshd 33955 411838 4474 74 3 0x1100092 bpf pflogd 4474 340457 1 0 3 0x80 sbwait pflogd 29414 78983 70721 73 3 0x1100090 kqread syslogd 70721 69529 1 0 3 0x100082 sbwait syslogd 62521 200337 1 0 3 0x100080 kqread resolvd 69747 33312 42932 77 3 0x100092 kqread dhcpleased 89189 358895 42932 77 3 0x100092 kqread dhcpleased 42932 197873 1 0 3 0x80 kqread dhcpleased 30705 150400 0 0 3 0x14200 bored smr 18641 452174 0 0 3 0x14200 pgzero zerothread 58576 492898 0 0 3 0x14200 aiodoned aiodoned 37515 422592 0 0 3 0x14200 syncer update 94626 157775 0 0 3 0x14200 cleaner cleaner 4428 101811 0 0 3 0x14200 reaper reaper 49759 317526 0 0 3 0x14200 pgdaemon pagedaemon 23242 445072 0 0 3 0x14200 bored viomb 18511 16595 0 0 3 0x40014200 acpi0 acpi0 67943 504575 0 0 3 0x40014200 idle1 57162 91426 0 0 3 0x14200 bored softnet3 66049 373337 0 0 3 0x14200 bored softnet2 54305 235104 0 0 3 0x14200 bored softnet1 53695 398631 0 0 3 0x14200 bored softnet0 92601 388956 0 0 3 0x14200 bored systqmp 72059 457179 0 0 3 0x14200 bored systq 44096 476353 0 0 3 0x14200 tmoslp softclockmp 92071 325671 0 0 3 0x40014200 tmoslp softclock 59973 81723 0 0 7 0x40014200 idle0 1 211475 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 34924 (syz-executor) thread 0xffff80003c4f0028 (340470) exclusive rwlock amaplk r = 0 (0xfffffd805ce84320) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 uvm_map_lock_entry+0x51 sys/uvm/uvm_map.c:464 #3 uvm_fault_unwire_locked+0x253 sys/uvm/uvm_fault.c:1758 #4 uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1702 #5 kern_sysctl_dirs+0x340 sysctl_vsunlock sys/kern/kern_sysctl.c:213 [inline] #5 kern_sysctl_dirs+0x340 sys/kern/kern_sysctl.c:430 #6 kern_sysctl+0x12d sys/kern/kern_sysctl.c:524 #7 sys_sysctl+0x425 #8 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 shared rwlock vmmaplk r = 0 (0xfffffd806be7b2e0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_read+0x3af sys/kern/kern_rwlock.c:405 #2 uvm_fault_unwire+0x3e sys/uvm/uvm_fault.c:1701 #3 kern_sysctl_dirs+0x340 sysctl_vsunlock sys/kern/kern_sysctl.c:213 [inline] #3 kern_sysctl_dirs+0x340 sys/kern/kern_sysctl.c:430 #4 kern_sysctl+0x12d sys/kern/kern_sysctl.c:524 #5 sys_sysctl+0x425 #6 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff838c64d0) #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+0x4b7 sys/kern/sched_bsd.c:441 #3 sleep_finish+0x24f sys/kern/kern_synch.c:414 #4 rw_do_enter_write+0x1de sys/kern/kern_rwlock.c:292 #5 uvm_fault_check+0x54c sys/uvm/uvm_fault.c:846 #6 uvm_fault+0x106 sys/uvm/uvm_fault.c:668 #7 uvm_fault_wire+0x73 sys/uvm/uvm_fault.c:1681 #8 sysctl_vslock+0x109 sys/kern/kern_sysctl.c:195 #9 kern_sysctl_dirs+0x247 sys/kern/kern_sysctl.c:426 #10 kern_sysctl+0x12d sys/kern/kern_sysctl.c:524 #11 sys_sysctl+0x425 #12 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #12 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #13 Xsyscall+0x128 exclusive rwlock sysctllk r = 0 (0xffffffff837a1fc8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 sysctl_vslock+0x45 sys/kern/kern_sysctl.c:185 #3 kern_sysctl_dirs+0x247 sys/kern/kern_sysctl.c:426 #4 kern_sysctl+0x12d sys/kern/kern_sysctl.c:524 #5 sys_sysctl+0x425 #6 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10209 11096K 11598K 166960K 12459 0 pcb 19 12K 12K 166960K 106 0 rtable 200 7K 8K 166960K 392 0 pf 37 18K 18K 166960K 98 0 ifaddr 38 6K 7K 166960K 75 0 ifgroup 59 2K 2K 166960K 130 0 sysctl 1 1K 1K 166960K 2 0 counters 66 36K 37K 166960K 128 0 ioctlops 0 0K 4K 166960K 1528 0 iov 0 0K 20K 166960K 32 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1462 92K 92K 166960K 2176 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 3 5K 9K 166960K 12 0 VM map 2 1K 1K 166960K 2 0 sem 25 33K 33K 166960K 31 0 dirhash 12 2K 2K 166960K 21 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 19 69K 93K 166960K 709 0 sigio 0 0K 0K 166960K 7 0 proc 76 115K 140K 166960K 609 0 subproc 72 4K 4K 166960K 74 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 191 0 in_multi 77 5K 7K 166960K 121 0 ether_multi 1 0K 0K 166960K 5 0 mrt 1 0K 0K 166960K 2 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 85 387K 387K 166960K 85 0 exec 0 0K 1K 166960K 563 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 243 73K 87K 166960K 8360 0 UVM aobj 18 6K 6K 166960K 19 0 pinsyscall 45 90K 109K 166960K 1792 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 27 0 NDP 13 0K 1K 166960K 47 0 temp 54 8638K 8894K 166960K 23680 0 kqueue 14 22K 26K 166960K 114 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 63 0 59 1 0 1 1 0 8 0 rtentry 112 116 0 28 4 0 4 4 0 8 1 unpcb 144 500 0 478 6 0 6 6 0 8 5 syncache 336 5 0 5 2 1 1 1 0 8 1 tcpqe 32 1 0 1 1 0 1 1 0 8 1 tcpcb 808 118 0 111 1 0 1 1 0 8 0 arp 120 18 0 5 1 0 1 1 0 8 0 inpcb 376 579 0 565 9 1 8 8 0 8 6 nd6 136 23 0 4 1 0 1 1 0 8 0 pkpcb 40 6 0 6 1 0 1 1 0 8 1 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1168 21 0 21 1 0 1 1 0 8 1 pppxif 1472 7 0 7 1 0 1 1 0 8 1 pffrag 232 3 0 0 1 0 1 1 0 482 0 pffrnode 88 3 0 0 1 0 1 1 0 8 0 pffrent 40 5 0 2 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 pfstitem 24 56 0 1 1 0 1 1 0 8 0 pfstkey 128 58 0 3 2 0 2 2 0 8 0 pfstate 376 57 0 2 6 0 6 6 0 8 0 pfrule 1344 22 0 17 2 1 1 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 447 0 82 27 0 27 27 0 8 2 art_table 32 449 0 82 4 0 4 4 0 8 0 art_node 16 112 0 33 1 0 1 1 0 8 0 sysvmsgpl 40 8 0 3 1 0 1 1 0 8 0 semapl 112 25 0 2 1 0 1 1 0 8 0 shmpl 112 16 0 1 1 0 1 1 0 8 0 dirhash 1024 24 0 7 3 0 3 3 0 8 0 dino2pl 256 2820 0 1312 95 0 95 95 0 8 0 ffsino 280 2820 0 1312 109 0 109 109 0 8 0 nchpl 144 3902 0 3349 63 34 29 63 0 8 6 rtmask 32 1 0 1 1 0 1 1 0 8 1 uvmvnodes 80 3375 0 0 69 0 69 69 0 8 0 vnodes 216 3375 0 0 188 0 188 188 0 8 0 namei 1024 13123 0 13123 1 0 1 1 0 8 1 percpumem 16 78 0 31 1 0 1 1 0 8 0 kstatmem 264 66 0 40 3 0 3 3 0 8 1 scsiplug 72 5 0 5 1 0 1 1 0 8 1 scxspl 216 11216 0 11216 10 2 8 8 1 8 8 plimitpl 152 164 0 147 1 0 1 1 0 8 0 sigapl 424 1013 0 960 7 0 7 7 0 8 0 futexpl 64 8852 0 8846 1 0 1 1 0 8 0 knotepl 120 320 0 0 10 0 10 10 0 8 0 kqueuepl 216 273 0 260 5 2 3 5 0 8 2 pipepl 328 256 0 227 8 0 8 8 0 8 5 fdescpl 504 992 0 959 5 0 5 5 0 8 0 filepl 152 6268 0 6032 19 0 19 19 0 8 8 lockfpl 104 171 0 169 1 0 1 1 0 8 0 lockfspl 48 79 0 77 1 0 1 1 0 8 0 sessionpl 144 25 0 16 1 0 1 1 0 8 0 pgrppl 48 43 0 26 1 0 1 1 0 8 0 ucredpl 104 1293 0 1277 1 0 1 1 0 8 0 zombiepl 144 962 0 960 1 0 1 1 0 8 0 processpl 1168 1013 0 960 5 0 5 5 0 8 0 procpl 656 2074 0 2010 6 0 6 6 0 8 0 srpgc 96 2 0 2 1 0 1 1 0 8 1 sosppl 168 6 0 6 1 0 1 1 0 8 1 sockpl 688 1161 0 1121 14 3 11 14 0 8 7 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl16k 16384 4 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 112 0 0 14 0 14 14 0 8 0 mcl2k 2048 53 0 0 7 0 7 7 0 8 0 mtagpl 96 59 0 0 2 0 2 2 0 8 0 mbufpl 256 369 0 0 23 0 23 23 0 8 0 bufpl 280 3300 0 131 227 0 227 227 0 8 0 anonpl 24 145538 0 141950 49 2 47 47 0 184 22 amapchunkpl 152 26981 0 26451 28 0 28 28 0 158 6 amappl16 200 2580 0 2545 17 5 12 12 0 8 10 amappl15 192 5 0 5 1 1 0 1 0 8 0 amappl14 184 117 0 103 1 0 1 1 0 8 0 amappl13 176 6 0 6 2 1 1 1 0 8 1 amappl12 168 1629 0 1595 3 1 2 2 0 8 0 amappl11 160 137 0 122 1 0 1 1 0 8 0 amappl10 152 5 0 4 1 0 1 1 0 8 0 amappl9 144 267 0 267 1 1 0 1 0 8 0 amappl8 136 30 0 28 1 0 1 1 0 8 0 amappl7 128 130 0 116 1 0 1 1 0 8 0 amappl6 120 168 0 164 1 0 1 1 0 8 0 amappl5 112 123 0 113 1 0 1 1 0 8 0 amappl4 104 322 0 301 1 0 1 1 0 8 0 amappl3 96 5216 0 5094 4 0 4 4 0 8 0 amappl2 88 655 0 590 2 0 2 2 0 8 0 amappl1 80 9917 0 9312 17 1 16 16 0 8 0 amappl 88 7927 0 7745 5 0 5 5 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 18 0 1 1 0 1 1 0 8 0 uaddrrnd 24 992 0 959 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 992 0 959 1 0 1 1 0 8 0 vmmpekpl 168 10200 0 10166 2 0 2 2 0 8 0 vmmpepl 168 65936 0 63965 97 0 97 97 0 357 3 vmsppl 456 991 0 959 5 0 5 5 0 8 0 rwobjpl 64 23006 0 18616 75 1 74 74 0 8 2 pdppl 4096 1992 0 1918 108 32 76 86 0 8 2 pvpl 32 15305 0 0 124 0 124 124 0 265 0 pmappl 248 991 0 959 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 300 0 35 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83835ff0) 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 __mp_lock(ffffffff838c62c8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff838c62c8) at __mp_lock+0x192 sys/kern/kern_lock.c:144 softintr_dispatch(0) at softintr_dispatch+0x5b sys/arch/amd64/amd64/softintr.c:88 Xsoftclock() at Xsoftclock+0x27 acpicpu_idle() at acpicpu_idle+0x41e sys/dev/acpi/acpicpu.c:1218 sched_idle(ffffffff83835ff0) at sched_idle+0x558 sys/kern/kern_sched.c:182 end trace frame: 0x0, count: 7 ddb{0}> trace x86_ipi_db(ffffffff83835ff0) 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 __mp_lock(ffffffff838c62c8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff838c62c8) at __mp_lock+0x192 sys/kern/kern_lock.c:144 softintr_dispatch(0) at softintr_dispatch+0x5b sys/arch/amd64/amd64/softintr.c:88 Xsoftclock() at Xsoftclock+0x27 acpicpu_idle() at acpicpu_idle+0x41e sys/dev/acpi/acpicpu.c:1218 sched_idle(ffffffff83835ff0) at sched_idle+0x558 sys/kern/kern_sched.c:182 end trace frame: 0x0, count: -8 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:438 panic(ffffffff83439649) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833e90d4,ffffffff8338448c,6cb,ffffffff8333e1b3) at __assert+0x29 uvm_fault_unwire_locked(fffffd806be7b1e0,400000000000,400000011000) at uvm_fault_unwire_locked+0x4c1 uvm_fault_unwire(fffffd806be7b1e0,400000000000,400000011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1702 kern_sysctl_dirs(49,ffff80003c535cc8,4,400000000100,ffff80003c535cf8,0,3044112a9dce92df,4) at kern_sysctl_dirs+0x340 sysctl_vsunlock sys/kern/kern_sysctl.c:213 [inline] kern_sysctl_dirs(49,ffff80003c535cc8,4,400000000100,ffff80003c535cf8,0,3044112a9dce92df,4) at kern_sysctl_dirs+0x340 sys/kern/kern_sysctl.c:430 kern_sysctl(ffff80003c535cc4,5,400000000100,ffff80003c535cf8,0,37,e2996ad60f6113e1) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:524 sys_sysctl(ffff80003c4f0028,ffff80003c535e30,ffff80003c535d80) at sys_sysctl+0x425 syscall(ffff80003c535e30) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c535e30) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5b8ff002ed0, count: 5 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83439649) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833e90d4,ffffffff8338448c,6cb,ffffffff8333e1b3) at __assert+0x29 uvm_fault_unwire_locked(fffffd806be7b1e0,400000000000,400000011000) at uvm_fault_unwire_locked+0x4c1 uvm_fault_unwire(fffffd806be7b1e0,400000000000,400000011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1702 kern_sysctl_dirs(49,ffff80003c535cc8,4,400000000100,ffff80003c535cf8,0,3044112a9dce92df,4) at kern_sysctl_dirs+0x340 sysctl_vsunlock sys/kern/kern_sysctl.c:213 [inline] kern_sysctl_dirs(49,ffff80003c535cc8,4,400000000100,ffff80003c535cf8,0,3044112a9dce92df,4) at kern_sysctl_dirs+0x340 sys/kern/kern_sysctl.c:430 kern_sysctl(ffff80003c535cc4,5,400000000100,ffff80003c535cf8,0,37,e2996ad60f6113e1) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:524 sys_sysctl(ffff80003c4f0028,ffff80003c535e30,ffff80003c535d80) at sys_sysctl+0x425 syscall(ffff80003c535e30) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c535e30) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5b8ff002ed0, count: -10