panic: kernel diagnostic assertion "va >= entry->start" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_fault.c", line 1694 Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *365467 59947 0 0 0x4000000 1K syz-executor 117191 97533 0 0x2 0 0 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830f4f46) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff830a61f4,ffffffff83049cc4,69e,ffffffff8300b840) at __assert+0x29 uvm_fault_unwire_locked(fffffd806bc233a8,20000000,20010000) at uvm_fault_unwire_locked+0x4b4 uvm_fault_unwire(fffffd806bc233a8,20000000,20010000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1657 kern_sysctl(ffff8000371b1594,2,20000100,ffff8000371b15c8,0,37,9e1ac4903d27153f) at kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] kern_sysctl(ffff8000371b1594,2,20000100,ffff8000371b15c8,0,37,9e1ac4903d27153f) at kern_sysctl+0x500 sys/kern/kern_sysctl.c:508 sys_sysctl(ffff800033d982b0,ffff8000371b1700,ffff8000371b1650) at sys_sysctl+0x425 syscall(ffff8000371b1700) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000371b1700) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x8c07d5b32a0, 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: kernel diagnostic assertion "va >= entry->start" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_fault.c", line 1694 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830f4f46) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff830a61f4,ffffffff83049cc4,69e,ffffffff8300b840) at __assert+0x29 uvm_fault_unwire_locked(fffffd806bc233a8,20000000,20010000) at uvm_fault_unwire_locked+0x4b4 uvm_fault_unwire(fffffd806bc233a8,20000000,20010000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1657 kern_sysctl(ffff8000371b1594,2,20000100,ffff8000371b15c8,0,37,9e1ac4903d27153f) at kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] kern_sysctl(ffff8000371b1594,2,20000100,ffff8000371b15c8,0,37,9e1ac4903d27153f) at kern_sysctl+0x500 sys/kern/kern_sysctl.c:508 sys_sysctl(ffff800033d982b0,ffff8000371b1700,ffff8000371b1650) at sys_sysctl+0x425 syscall(ffff8000371b1700) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000371b1700) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x8c07d5b32a0, count: -9 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff8000371b1220 rbx 0xffff800029b7cdbf rdx 0 rcx 0xffff800033d982b0 rax 0xffff800029b7bff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x1e7a32573d5f9863 r11 0x7dbc3c41c6b6982a r12 0xffff800029b7cbc0 r13 0 r14 0 r15 0x1 rip 0xffffffff8221d4b5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff8000371b1210 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=365467 pid=59947 tcnt=3 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff800033d996f0,0xffffffff835a9210 process=0xffff80003579ed70 user=0xffff8000371ac000, vmspace=0xfffffd806bc233a8 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 59947 341784 18647 0 2 0 syz-executor 59947 495292 18647 0 3 0x4000080 fsleep syz-executor *59947 365467 18647 0 7 0x4000000 syz-executor 51316 153338 20370 0 2 0 syz-executor 51316 150348 20370 0 2 0x4000000 syz-executor 75025 59234 48433 0 2 0 syz-executor 75025 117060 48433 0 2 0x4000000 syz-executor 75025 489910 48433 0 2 0x4000000 syz-executor 93252 515905 37212 0 2 0 syz-executor 93252 403242 37212 0 3 0x4000080 fsleep syz-executor 93252 180556 37212 0 3 0x4000080 fsleep syz-executor 78101 302128 56243 0 2 0 syz-executor 78101 210375 56243 0 3 0x4000080 netacc syz-executor 78101 70274 56243 0 3 0x4000080 kqread syz-executor 53537 506796 5198 0 2 0 syz-executor 53537 228227 5198 0 3 0x4000080 kqsel syz-executor 53537 516897 5198 0 3 0x4000080 fsleep syz-executor 62441 103725 37692 0 3 0x80 nanoslp syz-executor 62441 368815 37692 0 3 0x4000080 rest syz-executor 62441 160880 37692 0 3 0x4000080 fsleep syz-executor 18647 84823 49693 0 3 0x82 nanoslp syz-executor 97533 117191 49693 0 7 0x2 syz-executor 37692 392629 49693 0 3 0x82 nanoslp syz-executor 48433 396764 49693 0 3 0x82 nanoslp syz-executor 37212 111204 49693 0 2 0x2 syz-executor 56243 31934 49693 0 3 0x82 nanoslp syz-executor 20370 229303 49693 0 3 0x82 nanoslp syz-executor 5198 66355 49693 0 3 0x82 nanoslp syz-executor 49693 390601 24657 0 3 0x82 kqread syz-executor 24657 371124 60996 0 3 0x10008a sigsusp ksh 60996 22340 43681 0 3 0x98 kqread sshd-session 43681 87492 65206 0 3 0x92 kqread sshd-session 4515 185812 1 0 3 0x100083 ttyin getty 65206 7874 1 0 3 0x88 kqread sshd 6433 17410 9715 74 3 0x1100092 bpf pflogd 9715 290077 1 0 3 0x80 sbwait pflogd 73245 491262 74927 73 3 0x1100090 kqread syslogd 74927 245214 1 0 3 0x100082 sbwait syslogd 6478 110220 1 0 3 0x100080 kqread resolvd 12785 141302 99588 77 3 0x100092 kqread dhcpleased 95455 221660 99588 77 3 0x100092 kqread dhcpleased 99588 270623 1 0 3 0x80 kqread dhcpleased 19562 278822 0 0 3 0x14200 bored smr 273 113082 0 0 2 0x14200 zerothread 31505 523134 0 0 3 0x14200 aiodoned aiodoned 61878 432933 0 0 3 0x14200 syncer update 1079 456624 0 0 3 0x14200 cleaner cleaner 24099 196699 0 0 3 0x14200 reaper reaper 20016 307432 0 0 3 0x14200 pgdaemon pagedaemon 23105 11639 0 0 3 0x14200 bored viomb 34579 415717 0 0 3 0x40014200 acpi0 acpi0 87420 414535 0 0 3 0x40014200 idle1 2378 482432 0 0 3 0x14200 bored softnet3 13398 50215 0 0 3 0x14200 bored softnet2 3696 151390 0 0 3 0x14200 bored softnet1 52417 402631 0 0 3 0x14200 bored softnet0 50577 375046 0 0 3 0x14200 bored systqmp 96776 99051 0 0 3 0x14200 bored systq 80018 68986 0 0 3 0x14200 tmoslp softclockmp 70310 383607 0 0 3 0x40014200 tmoslp softclock 7717 207967 0 0 3 0x40014200 idle0 1 317399 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 59947 (syz-executor) thread 0xffff800033d982b0 (365467) exclusive rwlock amaplk r = 0 (0xfffffd806bf87750) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 uvm_map_lock_entry+0x4c sys/uvm/uvm_map.c:464 #2 uvm_fault_unwire_locked+0x253 sys/uvm/uvm_fault.c:1713 #3 uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1657 #4 kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] #4 kern_sysctl+0x500 sys/kern/kern_sysctl.c:508 #5 sys_sysctl+0x425 #6 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #6 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 shared rwlock vmmaplk r = 0 (0xfffffd806bc234a0) #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:1656 #2 kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] #2 kern_sysctl+0x500 sys/kern/kern_sysctl.c:508 #3 sys_sysctl+0x425 #4 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #4 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #5 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83622cc8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 sysctl_vslock+0x80 sys/kern/kern_sysctl.c:186 #2 kern_sysctl+0x1ad sys/kern/kern_sysctl.c:504 #3 sys_sysctl+0x425 #4 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #4 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #5 Xsyscall+0x128 exclusive rwlock sysctllk r = 0 (0xffffffff8342cf80) #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:181 #3 kern_sysctl+0x1ad sys/kern/kern_sysctl.c:504 #4 sys_sysctl+0x425 #5 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #5 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #6 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10207 11337K 11373K 166960K 11382 0 pcb 17 12K 12K 166960K 31 0 rtable 240 6K 7K 166960K 382 0 pf 35 17K 21K 166960K 149 0 ifaddr 44 7K 7K 166960K 48 0 ifgroup 55 2K 2K 166960K 57 0 counters 64 36K 36K 166960K 66 0 ioctlops 0 0K 4K 166960K 1525 0 iov 0 0K 16K 166960K 8 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1371 86K 86K 166960K 1442 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 3 5K 5K 166960K 3 0 VM map 2 1K 1K 166960K 2 0 sem 6 0K 0K 166960K 7 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 17 61K 93K 166960K 232 0 proc 72 91K 140K 166960K 545 0 subproc 104 6K 6K 166960K 104 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 8 0 in_multi 99 7K 7K 166960K 103 0 ether_multi 1 0K 0K 166960K 2 0 mrt 0 0K 0K 166960K 2 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 55 254K 254K 166960K 55 0 exec 0 0K 1K 166960K 379 0 fusefs mount 1 32K 32K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 235 73K 74K 166960K 3881 0 UVM aobj 8 2K 2K 166960K 9 0 pinsyscall 42 84K 104K 166960K 1341 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 3 0 NDP 12 0K 2K 166960K 30 0 temp 39 6815K 6879K 166960K 4406 0 kqueue 14 22K 28K 166960K 37 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 48 0 45 1 0 1 1 0 8 0 rtentry 112 120 0 7 4 0 4 4 0 8 0 unpcb 144 352 0 332 10 1 9 10 0 8 8 syncache 336 3 0 3 2 1 1 1 0 8 1 tcpcb 808 30 0 25 2 0 2 2 0 8 1 arp 120 21 0 2 1 0 1 1 0 8 0 inpcb 336 172 0 162 4 0 4 4 0 8 2 nd6 136 24 0 0 1 0 1 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1168 1 0 1 1 0 1 1 0 8 1 pffrag 232 2 0 0 1 0 1 1 0 482 0 pffrnode 88 2 0 0 1 0 1 1 0 8 0 pffrent 40 3 0 1 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 pfanchor 1288 1 0 0 1 0 1 1 0 8 0 pfstitem 24 24 0 0 1 0 1 1 0 8 0 pfstkey 128 24 0 0 1 0 1 1 0 8 0 pfstate 376 24 0 0 3 0 3 3 0 8 0 pfrule 1344 54 0 15 4 0 4 4 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 469 0 9 30 0 30 30 0 8 0 art_table 32 470 0 9 4 0 4 4 0 8 0 art_node 16 119 0 17 1 0 1 1 0 8 0 semapl 112 5 0 1 1 0 1 1 0 8 0 shmpl 112 6 0 1 1 0 1 1 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 1710 0 200 95 0 95 95 0 8 0 ffsino 272 1710 0 200 101 0 101 101 0 8 0 nchpl 144 2031 0 344 63 0 63 63 0 8 0 uvmvnodes 80 1862 0 0 38 0 38 38 0 8 0 vnodes 216 1862 0 0 104 0 104 104 0 8 0 namei 1024 6190 0 6190 1 0 1 1 0 8 1 percpumem 16 47 0 1 1 0 1 1 0 8 0 kstatmem 264 26 0 2 2 0 2 2 0 8 0 scsiplug 72 2 0 2 1 0 1 1 0 8 1 scxspl 216 5890 0 5890 3 1 2 2 1 8 2 plimitpl 152 38 0 21 1 0 1 1 0 8 0 sigapl 424 542 0 493 8 1 7 7 0 8 1 futexpl 64 1468 0 1463 1 0 1 1 0 8 0 knotepl 120 299 0 0 10 0 10 10 0 8 0 kqueuepl 216 38 0 27 1 0 1 1 0 8 0 pipepl 320 180 0 153 3 0 3 3 0 8 0 fdescpl 496 524 0 493 5 0 5 5 0 8 1 filepl 152 2332 0 2077 19 1 18 19 0 8 6 lockfpl 104 37 0 34 1 0 1 1 0 8 0 lockfspl 48 18 0 15 1 0 1 1 0 8 0 sessionpl 144 22 0 13 1 0 1 1 0 8 0 pgrppl 48 32 0 15 1 0 1 1 0 8 0 ucredpl 104 145 0 132 1 0 1 1 0 8 0 zombiepl 144 493 0 493 1 0 1 1 0 8 1 processpl 1160 542 0 493 5 0 5 5 0 8 1 procpl 648 722 0 660 7 1 6 6 0 8 0 sockpl 664 573 0 540 23 12 11 23 0 8 7 mcl64k 65536 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 159 0 0 20 0 20 20 0 8 0 mcl2k 2048 18 0 0 3 0 3 3 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 169 0 0 11 0 11 11 0 8 0 bufpl 280 2414 0 107 165 0 165 165 0 8 0 anonpl 24 151338 0 147943 25 2 23 24 0 185 0 amapchunkpl 152 12335 0 11848 23 0 23 23 0 158 1 amappl16 200 3912 0 3889 5 3 2 5 0 8 0 amappl15 192 11 0 11 1 1 0 1 0 8 0 amappl14 184 117 0 105 1 0 1 1 0 8 0 amappl13 176 7 0 7 1 1 0 1 0 8 0 amappl12 168 1189 0 1158 4 1 3 3 0 8 1 amappl11 160 85 0 71 1 0 1 1 0 8 0 amappl10 152 11 0 11 1 1 0 1 0 8 0 amappl9 144 178 0 178 1 1 0 1 0 8 0 amappl8 136 24 0 22 1 0 1 1 0 8 0 amappl7 128 241 0 229 1 0 1 1 0 8 0 amappl6 120 197 0 196 1 0 1 1 0 8 0 amappl5 112 135 0 123 1 0 1 1 0 8 0 amappl4 104 319 0 301 1 0 1 1 0 8 0 amappl3 96 2156 0 2062 3 0 3 3 0 8 0 amappl2 88 787 0 704 3 0 3 3 0 8 1 amappl1 80 7916 0 7345 14 0 14 14 0 8 1 amappl 88 3484 0 3314 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 8 0 1 1 0 1 1 0 8 0 uaddrrnd 24 524 0 493 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 524 0 493 1 0 1 1 0 8 0 vmmpekpl 168 5757 0 5720 2 0 2 2 0 8 0 vmmpepl 168 40683 0 38829 85 0 85 85 0 357 0 vmsppl 448 523 0 493 6 1 5 5 0 8 1 rwobjpl 56 17459 0 14669 40 0 40 40 0 8 0 pdppl 4096 1055 0 986 101 30 71 87 0 8 2 pvpl 32 10180 0 0 84 1 83 83 0 265 0 pmappl 248 523 0 493 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 386 0 34 11 0 11 11 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff834b2ff0) 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(ffffffff83622ac0) at __mp_lock+0x19e __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83622ac0) at __mp_lock+0x19e sys/kern/kern_lock.c:144 softintr_dispatch(0) at softintr_dispatch+0x5b sys/arch/amd64/amd64/softintr.c:88 Xsoftclock() at Xsoftclock+0x27 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0xb sys/dev/kcov.c:149 syscall(ffff80002a14a830) at syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff80002a14a830) at syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x76c7f608abe0, count: 6 ddb{0}> trace x86_ipi_db(ffffffff834b2ff0) 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(ffffffff83622ac0) at __mp_lock+0x19e __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83622ac0) at __mp_lock+0x19e sys/kern/kern_lock.c:144 softintr_dispatch(0) at softintr_dispatch+0x5b sys/arch/amd64/amd64/softintr.c:88 Xsoftclock() at Xsoftclock+0x27 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0xb sys/dev/kcov.c:149 syscall(ffff80002a14a830) at syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff80002a14a830) at syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x76c7f608abe0, count: -9 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(ffffffff830f4f46) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff830a61f4,ffffffff83049cc4,69e,ffffffff8300b840) at __assert+0x29 uvm_fault_unwire_locked(fffffd806bc233a8,20000000,20010000) at uvm_fault_unwire_locked+0x4b4 uvm_fault_unwire(fffffd806bc233a8,20000000,20010000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1657 kern_sysctl(ffff8000371b1594,2,20000100,ffff8000371b15c8,0,37,9e1ac4903d27153f) at kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] kern_sysctl(ffff8000371b1594,2,20000100,ffff8000371b15c8,0,37,9e1ac4903d27153f) at kern_sysctl+0x500 sys/kern/kern_sysctl.c:508 sys_sysctl(ffff800033d982b0,ffff8000371b1700,ffff8000371b1650) at sys_sysctl+0x425 syscall(ffff8000371b1700) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000371b1700) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x8c07d5b32a0, count: 6 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830f4f46) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff830a61f4,ffffffff83049cc4,69e,ffffffff8300b840) at __assert+0x29 uvm_fault_unwire_locked(fffffd806bc233a8,20000000,20010000) at uvm_fault_unwire_locked+0x4b4 uvm_fault_unwire(fffffd806bc233a8,20000000,20010000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1657 kern_sysctl(ffff8000371b1594,2,20000100,ffff8000371b15c8,0,37,9e1ac4903d27153f) at kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] kern_sysctl(ffff8000371b1594,2,20000100,ffff8000371b15c8,0,37,9e1ac4903d27153f) at kern_sysctl+0x500 sys/kern/kern_sysctl.c:508 sys_sysctl(ffff800033d982b0,ffff8000371b1700,ffff8000371b1650) at sys_sysctl+0x425 syscall(ffff8000371b1700) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000371b1700) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x8c07d5b32a0, count: -9