login: panic: kernel diagnostic assertion "va >= entry->start" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_fault.c", line 1741 Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 61843 73598 0 0 0 1 syz-executor *198924 73598 0 0 0x4000000 0K syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8343d508) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833edf41,ffffffff83386c9e,6cd,ffffffff833416d1) at __assert+0x29 uvm_fault_unwire_locked(fffffd806bc3a740,400000000000,400000003000) at uvm_fault_unwire_locked+0x4b4 uvm_fault_unwire(fffffd806bc3a740,400000000000,400000003000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1704 kern_sysctl_dirs(4e,ffff80003c4d6928,1,400000000100,ffff80003c4d6958,0,811c46cf24226f39,1) at kern_sysctl_dirs+0x363 sysctl_vsunlock sys/kern/kern_sysctl.c:215 [inline] kern_sysctl_dirs(4e,ffff80003c4d6928,1,400000000100,ffff80003c4d6958,0,811c46cf24226f39,1) at kern_sysctl_dirs+0x363 sys/kern/kern_sysctl.c:432 kern_sysctl(ffff80003c4d6924,2,400000000100,ffff80003c4d6958,0,37,26bf169c23107671) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 sys_sysctl(ffff80003c52b740,ffff80003c4d6a90,ffff80003c4d69e0) at sys_sysctl+0x425 syscall(ffff80003c4d6a90) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c4d6a90) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2c01a3b8ef0, 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{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: kernel diagnostic assertion "va >= entry->start" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_fault.c", line 1741 ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8343d508) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833edf41,ffffffff83386c9e,6cd,ffffffff833416d1) at __assert+0x29 uvm_fault_unwire_locked(fffffd806bc3a740,400000000000,400000003000) at uvm_fault_unwire_locked+0x4b4 uvm_fault_unwire(fffffd806bc3a740,400000000000,400000003000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1704 kern_sysctl_dirs(4e,ffff80003c4d6928,1,400000000100,ffff80003c4d6958,0,811c46cf24226f39,1) at kern_sysctl_dirs+0x363 sysctl_vsunlock sys/kern/kern_sysctl.c:215 [inline] kern_sysctl_dirs(4e,ffff80003c4d6928,1,400000000100,ffff80003c4d6958,0,811c46cf24226f39,1) at kern_sysctl_dirs+0x363 sys/kern/kern_sysctl.c:432 kern_sysctl(ffff80003c4d6924,2,400000000100,ffff80003c4d6958,0,37,26bf169c23107671) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 sys_sysctl(ffff80003c52b740,ffff80003c4d6a90,ffff80003c4d69e0) at sys_sysctl+0x425 syscall(ffff80003c4d6a90) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c4d6a90) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2c01a3b8ef0, count: -10 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80003c4d6500 rbx 0xffffffff83812dc7 cpu_info_full_primary+0x2dc7 rdx 0 rcx 0xffff80003c52b740 rax 0xffffffff83811ff0 cpu_info_full_primary+0x1ff0 r8 0 r9 0x8080808080808080 r10 0x24e165c7ed1a48eb r11 0xe3ce348205d7ce06 r12 0xffffffff83812bc8 cpu_info_full_primary+0x2bc8 r13 0 r14 0 r15 0x1 rip 0xffffffff82bb8925 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c4d64f0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=198924 pid=73598 tcnt=4 stat=onproc flags process=0 proc=4000000 runpri=36, usrpri=50, slppri=36, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003c52a550,0xffff80003c52a040 process=0xffff8000ffff8018 user=0xffff80003c4d1000, vmspace=0xfffffd806bc3a740 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 73598 61843 43101 0 7 0 syz-executor *73598 198924 43101 0 7 0x4000000 syz-executor 73598 28390 43101 0 2 0x4000000 syz-executor 73598 204499 43101 0 2 0x4000000 syz-executor 25735 117126 42515 0 2 0x2 syz-executor 72186 363487 97066 0 2 0x480 syz-executor 72186 457533 97066 0 3 0x4000080 ttyin syz-executor 72186 49696 97066 0 3 0x4000080 fsleep syz-executor 97549 435006 61602 60929 3 0x90 nanoslp syz-executor 97549 345742 61602 60929 3 0x4000090 ttyout syz-executor 97549 395310 61602 60929 3 0x4000090 fsleep syz-executor 97549 437860 61602 60929 3 0x4000090 fsleep syz-executor 43126 232565 20055 0 2 0x480 syz-executor 43126 325727 20055 0 3 0x4000080 pipewr syz-executor 61234 400246 0 0 3 0x14200 acct acct 97858 2018 1 0 3 0x100083 ttyin getty 14378 181684 42515 0 3 0x82 wait syz-executor 72029 487062 0 0 3 0x14280 nfsidl nfsio 61515 42853 0 0 3 0x14280 nfsidl nfsio 65084 156428 0 0 3 0x14280 nfsidl nfsio 37056 310914 0 0 3 0x14280 nfsidl nfsio 89662 335064 0 0 3 0x14280 nfsidl nfsio 93876 43207 0 0 3 0x14280 nfsidl nfsio 79038 415971 0 0 3 0x14280 nfsidl nfsio 90556 169166 0 0 3 0x14280 nfsidl nfsio 23866 777 0 0 3 0x14280 nfsidl nfsio 33884 51477 0 0 3 0x14280 nfsidl nfsio 15874 508941 0 0 3 0x14280 nfsidl nfsio 50131 200513 0 0 3 0x14280 nfsidl nfsio 99841 346654 0 0 3 0x14280 nfsidl nfsio 66119 287017 0 0 3 0x14280 nfsidl nfsio 62992 313843 0 0 3 0x14280 nfsidl nfsio 26188 118503 0 0 3 0x14280 nfsidl nfsio 38517 27683 0 0 3 0x14280 nfsidl nfsio 90688 290595 0 0 3 0x14280 nfsidl nfsio 67707 503461 0 0 3 0x14280 nfsidl nfsio 89342 58383 0 0 3 0x14280 nfsidl nfsio 20055 374767 42515 0 2 0x482 syz-executor 61602 422119 42515 0 2 0x482 syz-executor 21516 467800 0 0 3 0x14200 bored sosplice 20292 231165 42515 0 2 0x482 syz-executor 43101 163689 42515 0 2 0x482 syz-executor 97066 71026 42515 0 2 0x482 syz-executor 18316 291046 42515 0 2 0x482 syz-executor 42515 82679 97786 0 3 0x82 kqread syz-executor 97786 506596 94931 0 3 0x10008a sigsusp ksh 94931 392643 55553 0 3 0x98 kqread sshd-session 55553 163911 50901 0 3 0x92 kqread sshd-session 50901 273817 1 0 3 0x88 kqread sshd 54168 71918 66780 74 3 0x1100092 bpf pflogd 66780 253924 1 0 3 0x80 sbwait pflogd 72797 513672 93510 73 3 0x1100090 kqread syslogd 93510 350454 1 0 3 0x100082 sbwait syslogd 7218 498974 1 0 3 0x100080 kqread resolvd 67180 461689 91866 77 3 0x100092 kqread dhcpleased 24399 177216 91866 77 3 0x100092 kqread dhcpleased 91866 411241 1 0 3 0x80 kqread dhcpleased 57694 130119 0 0 2 0x14200 smr 16118 275619 0 0 3 0x14200 pgzero zerothread 14521 348859 0 0 3 0x14200 aiodoned aiodoned 77937 118956 0 0 3 0x14200 syncer update 74072 381753 0 0 3 0x14200 cleaner cleaner 41595 259055 0 0 3 0x14200 reaper reaper 99962 508306 0 0 3 0x14200 pgdaemon pagedaemon 7531 352323 0 0 3 0x14200 bored viomb 88669 99203 0 0 3 0x40014200 acpi0 acpi0 25685 519277 0 0 3 0x40014200 idle1 68725 487122 0 0 3 0x14200 bored softnet3 89090 259032 0 0 3 0x14200 bored softnet2 95497 72154 0 0 3 0x14200 bored softnet1 56823 473886 0 0 2 0x14200 softnet0 849 65033 0 0 3 0x14200 bored systqmp 52500 115460 0 0 3 0x14200 bored systq 5237 388487 0 0 3 0x14200 tmoslp softclockmp 44049 504289 0 0 2 0x40014200 softclock 3986 95823 0 0 3 0x40014200 idle0 1 116439 0 0 3 0x80082 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{0}> show all locks Process 73598 (syz-executor) thread 0xffff80003c52a550 (61843) Process 73598 (syz-executor) thread 0xffff80003c52b740 (198924) Process 25735 (syz-executor) thread 0xffff80002a3bafa0 (117126) ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10245 11319K 11508K 166960K 14100 0 pcb 18 16K 18K 166960K 453 0 rtable 204 11K 12K 166960K 770 0 pf 30 16K 18K 166960K 204 0 ifaddr 35 6K 8K 166960K 158 0 ifgroup 47 2K 2K 166960K 284 0 sysctl 4 1K 2K 166960K 9 0 counters 60 35K 37K 166960K 414 0 ioctlops 0 0K 4K 166960K 1811 0 iov 0 0K 24K 166960K 95 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1421 89K 90K 166960K 3406 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 38 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 83 0 dirhash 12 2K 2K 166960K 45 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 236K 166960K 1995 0 sigio 0 0K 0K 166960K 96 0 proc 72 91K 116K 166960K 941 0 subproc 72 4K 4K 166960K 126 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 230 0 in_multi 74 5K 7K 166960K 238 0 ether_multi 1 0K 0K 166960K 20 0 mrt 1 0K 0K 166960K 6 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 283 1261K 1261K 166960K 283 0 exec 0 0K 1K 166960K 1039 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 245 73K 87K 166960K 20056 0 UVM aobj 84 7K 7K 166960K 87 0 pinsyscall 42 84K 104K 166960K 3241 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 1 0K 0K 166960K 90 0 NDP 12 0K 2K 166960K 108 0 temp 78 8692K 8948K 166960K 67076 0 kqueue 13 20K 32K 166960K 364 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 120 311 0 307 3 2 1 3 0 8 0 rtentry 160 231 0 149 5 0 5 5 0 8 0 unpcb 144 1461 0 1442 4 3 1 4 0 8 0 syncache 336 7 0 7 4 3 1 1 0 8 1 tcpcb 808 713 0 708 17 15 2 14 0 8 1 arp 120 38 0 23 1 0 1 1 0 8 0 inpcb 376 2328 0 2316 19 17 2 15 0 8 0 nd6 136 47 0 27 1 0 1 1 0 8 0 pkpcb 40 8 0 8 3 2 1 1 0 8 1 kcovpl 48 14 0 6 1 0 1 1 0 8 0 mppekey 1024 1 0 1 1 1 0 1 0 8 0 ppxss 1168 140 0 140 2 1 1 1 0 8 1 pppxif 1480 17 0 17 1 1 0 1 0 8 0 pffrag 232 13 0 5 1 0 1 1 0 482 0 pffrnode 88 11 0 3 1 0 1 1 0 8 0 pffrent 40 69 0 61 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 24 126 0 34 1 0 1 1 0 8 0 pfstkey 128 126 0 34 3 0 3 3 0 8 0 pfstate 376 126 0 34 10 0 10 10 0 8 0 pfrule 1344 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 903 0 583 31 9 22 29 0 8 0 art_table 32 906 0 583 4 0 4 4 0 8 0 art_node 16 219 0 148 1 0 1 1 0 8 0 sysvmsgpl 40 14 0 10 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 80 0 70 1 0 1 1 0 8 0 shmpl 112 84 0 3 3 0 3 3 0 8 0 dirhash 1024 39 0 22 3 0 3 3 0 8 0 dino2pl 256 5249 0 3734 95 0 95 95 0 8 0 ffsino 280 5249 0 3734 109 0 109 109 0 8 0 nchpl 144 8003 0 6297 64 0 64 64 0 8 0 rtmask 32 13 0 13 2 2 0 1 0 8 0 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 vnodes 216 5926 0 0 330 0 330 330 0 8 0 namei 1024 28857 0 28856 3 1 2 2 0 8 1 percpumem 16 221 0 177 1 0 1 1 0 8 0 kstatmem 264 160 0 140 3 1 2 3 0 8 0 scsiplug 72 6 0 6 2 2 0 1 0 8 0 scxspl 216 24006 0 24006 9 8 1 6 1 8 1 plimitpl 152 536 0 516 1 0 1 1 0 8 0 sigapl 424 2294 0 2223 10 1 9 9 0 8 0 futexpl 64 28116 0 28113 1 0 1 1 0 8 0 knotepl 120 557 0 0 17 0 17 17 0 8 0 kqueuepl 216 811 0 802 8 7 1 5 0 8 0 pipepl 328 434 0 406 9 6 3 5 0 8 0 fdescpl 504 2250 0 2219 5 0 5 5 0 8 0 filepl 152 15667 0 15427 26 14 12 22 0 8 1 lockfpl 104 518 0 516 1 0 1 1 0 8 0 lockfspl 48 204 0 202 1 0 1 1 0 8 0 sessionpl 144 35 0 26 1 0 1 1 0 8 0 pgrppl 48 130 0 113 1 0 1 1 0 8 0 ucredpl 104 3112 0 3098 1 0 1 1 0 8 0 zombiepl 144 2226 0 2223 1 0 1 1 0 8 0 processpl 1176 2294 0 2223 6 0 6 6 0 8 0 procpl 656 5399 0 5319 9 1 8 8 0 8 0 srpgc 96 20 0 20 3 2 1 1 0 8 1 sosppl 168 10 0 10 2 2 0 1 0 8 0 sockpl 688 4134 0 4099 20 16 4 16 0 8 0 mcl64k 65536 2 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 7 0 0 1 0 1 1 0 8 0 mcl4k 4096 124 0 0 16 0 16 16 0 8 0 mcl2k 2048 49 0 0 7 0 7 7 0 8 0 mtagpl 96 81 0 0 2 0 2 2 0 8 0 mbufpl 256 1140 0 0 71 0 71 71 0 8 0 bufpl 280 7312 0 1158 440 0 440 440 0 8 0 anonpl 24 273804 0 268075 57 10 47 49 0 184 4 amapchunkpl 152 64610 0 63995 37 7 30 32 0 158 3 amappl16 200 5065 0 4973 26 16 10 16 0 8 0 amappl15 192 8 0 8 1 1 0 1 0 8 0 amappl14 184 133 0 121 1 0 1 1 0 8 0 amappl13 176 33 0 33 1 1 0 1 0 8 0 amappl12 168 2995 0 2964 4 2 2 3 0 8 0 amappl11 160 49 0 35 1 0 1 1 0 8 0 amappl10 152 7 0 6 1 0 1 1 0 8 0 amappl9 144 241 0 241 1 1 0 1 0 8 0 amappl8 136 27 0 24 1 0 1 1 0 8 0 amappl7 128 128 0 115 1 0 1 1 0 8 0 amappl6 120 246 0 242 1 0 1 1 0 8 0 amappl5 112 178 0 167 1 0 1 1 0 8 0 amappl4 104 373 0 352 1 0 1 1 0 8 0 amappl3 96 13504 0 13382 4 0 4 4 0 8 0 amappl2 88 772 0 709 2 0 2 2 0 8 0 amappl1 80 14728 0 14158 15 1 14 14 0 8 0 amappl 88 19517 0 19329 5 0 5 5 0 92 0 dma65536 65536 3 0 3 3 3 0 1 0 8 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 dma512 512 1 0 1 1 1 0 1 0 8 0 dma256 256 7 0 7 2 2 0 1 0 8 0 dma128 128 256 0 256 4 4 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 86 0 3 2 0 2 2 0 8 0 uaddrrnd 24 2250 0 2219 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2250 0 2219 1 0 1 1 0 8 0 vmmpekpl 168 19508 0 19449 3 0 3 3 0 8 0 vmmpepl 168 140430 0 138464 96 3 93 96 0 357 1 vmsppl 456 2249 0 2219 6 1 5 5 0 8 0 rwobjpl 64 42249 0 35219 117 1 116 116 0 8 2 pdppl 4096 4508 0 4438 114 38 76 86 0 8 6 pvpl 32 15516 0 0 126 0 126 126 0 265 0 pmappl 248 2249 0 2219 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 384 0 76 10 0 10 10 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8343d508) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833edf41,ffffffff83386c9e,6cd,ffffffff833416d1) at __assert+0x29 uvm_fault_unwire_locked(fffffd806bc3a740,400000000000,400000003000) at uvm_fault_unwire_locked+0x4b4 uvm_fault_unwire(fffffd806bc3a740,400000000000,400000003000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1704 kern_sysctl_dirs(4e,ffff80003c4d6928,1,400000000100,ffff80003c4d6958,0,811c46cf24226f39,1) at kern_sysctl_dirs+0x363 sysctl_vsunlock sys/kern/kern_sysctl.c:215 [inline] kern_sysctl_dirs(4e,ffff80003c4d6928,1,400000000100,ffff80003c4d6958,0,811c46cf24226f39,1) at kern_sysctl_dirs+0x363 sys/kern/kern_sysctl.c:432 kern_sysctl(ffff80003c4d6924,2,400000000100,ffff80003c4d6958,0,37,26bf169c23107671) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 sys_sysctl(ffff80003c52b740,ffff80003c4d6a90,ffff80003c4d69e0) at sys_sysctl+0x425 syscall(ffff80003c4d6a90) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c4d6a90) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2c01a3b8ef0, count: -10 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff800029a9bff0) 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(ffffffff839082e0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff839082e0) at __mp_lock+0x192 sys/kern/kern_lock.c:144 uvm_fault(fffffd806bc3a740,2bf7c9aa000,0,2) at uvm_fault+0x1ee sys/uvm/uvm_fault.c:691 upageflttrap(ffff80003c51cd60,2bf7c9aa000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80003c51cd60) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x725bdf5a3f50, count: 7 ddb{1}> trace x86_ipi_db(ffff800029a9bff0) 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(ffffffff839082e0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff839082e0) at __mp_lock+0x192 sys/kern/kern_lock.c:144 uvm_fault(fffffd806bc3a740,2bf7c9aa000,0,2) at uvm_fault+0x1ee sys/uvm/uvm_fault.c:691 upageflttrap(ffff80003c51cd60,2bf7c9aa000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80003c51cd60) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x725bdf5a3f50, count: -8