login: panic: kernel diagnostic assertion "va >= entry->start" failed: file "/syzkaller/managers/setuid/kernel/sys/uvm/uvm_fault.c", line 1739 Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *461677 11447 32767 0x10 0x4000000 1 syz-executor 413491 65707 0 0x2 0 0K syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83437867) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833e7433,ffffffff8342bb14,6cb,ffffffff8333e711) at __assert+0x29 uvm_fault_unwire_locked(fffffd806c16e018,400000000000,400000011000) at uvm_fault_unwire_locked+0x4c1 uvm_fault_unwire(fffffd806c16e018,400000000000,400000011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1702 kern_sysctl_dirs(4e,ffff80003c5046a8,1,4000000001c0,ffff80003c5046d8,0,c1e77edfdf7b6cc7,1) at kern_sysctl_dirs+0x363 sysctl_vsunlock sys/kern/kern_sysctl.c:215 [inline] kern_sysctl_dirs(4e,ffff80003c5046a8,1,4000000001c0,ffff80003c5046d8,0,c1e77edfdf7b6cc7,1) at kern_sysctl_dirs+0x363 sys/kern/kern_sysctl.c:432 kern_sysctl(ffff80003c5046a4,2,4000000001c0,ffff80003c5046d8,0,37,4b89659329c787a9) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 sys_sysctl(ffff8000ffff6a60,ffff80003c504810,ffff80003c504760) at sys_sysctl+0x425 syscall(ffff80003c504810) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c504810) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5194d7987b0, 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/setuid/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(ffffffff83437867) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833e7433,ffffffff8342bb14,6cb,ffffffff8333e711) at __assert+0x29 uvm_fault_unwire_locked(fffffd806c16e018,400000000000,400000011000) at uvm_fault_unwire_locked+0x4c1 uvm_fault_unwire(fffffd806c16e018,400000000000,400000011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1702 kern_sysctl_dirs(4e,ffff80003c5046a8,1,4000000001c0,ffff80003c5046d8,0,c1e77edfdf7b6cc7,1) at kern_sysctl_dirs+0x363 sysctl_vsunlock sys/kern/kern_sysctl.c:215 [inline] kern_sysctl_dirs(4e,ffff80003c5046a8,1,4000000001c0,ffff80003c5046d8,0,c1e77edfdf7b6cc7,1) at kern_sysctl_dirs+0x363 sys/kern/kern_sysctl.c:432 kern_sysctl(ffff80003c5046a4,2,4000000001c0,ffff80003c5046d8,0,37,4b89659329c787a9) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 sys_sysctl(ffff8000ffff6a60,ffff80003c504810,ffff80003c504760) at sys_sysctl+0x425 syscall(ffff80003c504810) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c504810) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5194d7987b0, count: -10 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80003c504280 rbx 0xffff800029aacdc7 rdx 0 rcx 0xffff8000ffff6a60 rax 0xffff800029aabff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x277720b44ea40de0 r11 0x347752ec9271ce3 r12 0xffff800029aacbc8 r13 0 r14 0 r15 0x1 rip 0xffffffff81eb5385 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c504270 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=461677 pid=11447 tcnt=4 stat=onproc flags process=10 proc=4000000 runpri=32, usrpri=52, slppri=36, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000ffff7730,0xffff8000ffff6030 process=0xffff80003c4fc6f0 user=0xffff80003c4ff000, vmspace=0xfffffd806c16e018 estcpu=2, cpticks=2, pctcpu=0.0, user=0, sys=2, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 53269 139956 65707 0 2 0 syz-executor 17571 311582 72076 32767 2 0x10 syz-executor 68225 228394 37515 32767 2 0x10 syz-executor 68225 494469 37515 32767 2 0x4000010 syz-executor 11447 422293 47863 32767 2 0x10 syz-executor 11447 106379 47863 32767 3 0x4000090 ttyout syz-executor *11447 461677 47863 32767 7 0x4000010 syz-executor 11447 119156 47863 32767 3 0x4000010 vmmaplk syz-executor 62270 270842 32132 32767 3 0x90 nanoslp syz-executor 62270 422454 32132 32767 3 0x4000090 netacc syz-executor 62270 457891 32132 32767 3 0x4000090 fsleep syz-executor 23621 412010 95703 32767 2 0x10 syz-executor 65707 413491 77167 0 7 0x2 syz-executor 10436 32789 0 0 3 0x14200 bored sosplice 37515 219692 81102 32767 2 0x490 syz-executor 34536 23807 75991 32767 3 0x90 wait syz-executor 72076 456460 28199 32767 3 0x90 nanoslp syz-executor 95703 185645 85392 32767 2 0x10 syz-executor 63055 144045 52635 32767 3 0x90 wait syz-executor 47863 263598 36906 32767 2 0x490 syz-executor 32132 203764 29137 32767 2 0x490 syz-executor 28199 456849 77167 0 3 0x82 wait syz-executor 52635 193518 77167 0 3 0x82 wait syz-executor 81102 514547 77167 0 3 0x82 wait syz-executor 36906 19238 77167 0 3 0x82 wait syz-executor 29137 18431 77167 0 3 0x82 wait syz-executor 85392 281463 77167 0 3 0x82 wait syz-executor 75991 183706 77167 0 3 0x82 wait syz-executor 77167 463922 78050 0 2 0x2 syz-executor 78050 466945 82971 0 3 0x10008a sigsusp ksh 82971 475482 25398 0 3 0x98 kqread sshd-session 25398 368066 17433 0 3 0x92 kqread sshd-session 5702 146939 1 0 3 0x100083 ttyin getty 17433 224850 1 0 3 0x88 kqread sshd 20585 19960 23745 73 3 0x1100090 kqread syslogd 23745 131029 1 0 3 0x100082 sbwait syslogd 70267 331723 1 0 3 0x100080 kqread resolvd 63182 63032 54716 77 3 0x100092 kqread dhcpleased 20567 214633 54716 77 3 0x100092 kqread dhcpleased 54716 491967 1 0 3 0x80 kqread dhcpleased 82 81526 0 0 3 0x14200 bored smr 53402 301504 0 0 2 0x14200 zerothread 56866 411050 0 0 3 0x14200 aiodoned aiodoned 18483 124458 0 0 3 0x14200 syncer update 67566 12054 0 0 3 0x14200 cleaner cleaner 51441 280952 0 0 3 0x14200 reaper reaper 58198 13013 0 0 3 0x14200 pgdaemon pagedaemon 79820 287943 0 0 3 0x14200 bored viomb 85117 133270 0 0 3 0x40014200 acpi0 acpi0 43906 84715 0 0 3 0x40014200 idle1 57597 490629 0 0 3 0x14200 bored softnet3 6081 327490 0 0 3 0x14200 bored softnet2 25072 350849 0 0 3 0x14200 bored softnet1 5546 193852 0 0 3 0x14200 bored softnet0 85054 439223 0 0 3 0x14200 bored systqmp 1041 485086 0 0 3 0x14200 bored systq 73057 488748 0 0 3 0x14200 tmoslp softclockmp 46493 45275 0 0 2 0x40014200 softclock 12156 376733 0 0 3 0x40014200 idle0 1 49315 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 11447 (syz-executor) thread 0xffff8000ffff6a60 (461677) exclusive rwlock amaplk r = 0 (0xfffffd8068266b58) #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+0x363 sysctl_vsunlock sys/kern/kern_sysctl.c:215 [inline] #5 kern_sysctl_dirs+0x363 sys/kern/kern_sysctl.c:432 #6 kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 #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 (0xfffffd806c16e118) #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+0x363 sysctl_vsunlock sys/kern/kern_sysctl.c:215 [inline] #3 kern_sysctl_dirs+0x363 sys/kern/kern_sysctl.c:432 #4 kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 #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 (0xffffffff83933578) #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:197 #9 kern_sysctl_dirs+0x266 sys/kern/kern_sysctl.c:428 #10 kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 #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 (0xffffffff8378cdb8) #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:187 #3 kern_sysctl_dirs+0x266 sys/kern/kern_sysctl.c:428 #4 kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 #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 10189 10952K 10966K 166960K 11271 0 pcb 17 12K 12K 166960K 17 0 rtable 216 6K 6K 166960K 353 0 pf 29 16K 16K 166960K 31 0 ifaddr 38 6K 7K 166960K 44 0 ifgroup 46 2K 2K 166960K 50 0 sysctl 1 1K 1K 166960K 1 0 counters 62 36K 36K 166960K 64 0 ioctlops 0 0K 2K 166960K 30 0 iov 0 0K 12K 166960K 11 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1332 84K 84K 166960K 1524 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 10 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 16 0 dirhash 12 2K 2K 166960K 18 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 25 93K 129K 166960K 358 0 sigio 0 0K 0K 166960K 1 0 proc 58 79K 140K 166960K 498 0 subproc 72 4K 4K 166960K 198 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 29 0 in_multi 88 6K 7K 166960K 105 0 ether_multi 1 0K 0K 166960K 2 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 97 440K 440K 166960K 97 0 exec 0 0K 1K 166960K 364 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 230 69K 83K 166960K 4365 0 UVM aobj 13 2K 4K 166960K 15 0 pinsyscall 46 92K 112K 166960K 1365 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 1 0K 0K 166960K 13 0 NDP 10 0K 2K 166960K 27 0 temp 40 8639K 8703K 166960K 4579 0 kqueue 13 20K 28K 166960K 60 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 46 0 43 1 0 1 1 0 8 0 rtentry 112 113 0 12 4 0 4 4 0 8 0 unpcb 144 166 0 151 1 0 1 1 0 8 0 syncache 336 6 0 6 1 0 1 1 0 8 1 tcpqe 32 2 0 2 1 0 1 1 0 8 1 tcpcb 808 137 0 129 5 3 2 5 0 8 1 arp 120 18 0 2 1 0 1 1 0 8 0 ipq 40 1 0 1 1 1 0 1 0 8 0 ipqe 40 44 0 44 1 1 0 1 0 8 0 inpcb 376 338 0 326 9 0 9 9 0 8 7 nd6 136 26 0 3 1 0 1 1 0 8 0 kcovpl 48 22 0 14 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 457 0 44 29 2 27 29 0 8 0 art_table 32 458 0 44 4 0 4 4 0 8 0 art_node 16 112 0 20 1 0 1 1 0 8 0 sysvmsgpl 40 1 0 0 1 0 1 1 0 8 0 semupl 112 3 0 3 1 0 1 1 0 8 1 semapl 112 12 0 2 1 0 1 1 0 8 0 shmpl 112 12 0 2 1 0 1 1 0 8 0 dirhash 1024 21 0 4 3 0 3 3 0 8 0 dino2pl 256 1836 0 320 95 0 95 95 0 8 0 ffsino 280 1836 0 320 109 0 109 109 0 8 0 nchpl 144 2219 0 534 63 0 63 63 0 8 0 uvmvnodes 80 2043 0 0 42 0 42 42 0 8 0 vnodes 216 2043 0 0 114 0 114 114 0 8 0 namei 1024 7130 0 7130 1 0 1 1 0 8 1 percpumem 16 46 0 1 1 0 1 1 0 8 0 kstatmem 264 22 0 2 2 0 2 2 0 8 0 scxspl 216 7524 0 7524 8 5 3 7 1 8 3 plimitpl 152 94 0 71 2 0 2 2 0 8 1 sigapl 424 604 0 548 8 1 7 8 0 8 0 futexpl 64 2545 0 2544 1 0 1 1 0 8 0 knotepl 120 321 0 0 10 0 10 10 0 8 0 kqueuepl 216 80 0 71 1 0 1 1 0 8 0 pipepl 328 169 0 142 3 0 3 3 0 8 0 fdescpl 504 585 0 548 6 1 5 6 0 8 0 filepl 152 2852 0 2640 14 0 14 14 0 8 5 lockfpl 104 49 0 47 1 0 1 1 0 8 0 lockfspl 48 22 0 20 1 0 1 1 0 8 0 sessionpl 144 37 0 22 1 0 1 1 0 8 0 pgrppl 48 59 0 36 1 0 1 1 0 8 0 ucredpl 104 492 0 474 1 0 1 1 0 8 0 zombiepl 144 550 0 548 1 0 1 1 0 8 0 processpl 1168 604 0 548 5 0 5 5 0 8 0 procpl 656 896 0 834 7 1 6 7 0 8 0 sosppl 168 1 0 1 1 1 0 1 0 8 0 sockpl 688 551 0 521 10 0 10 10 0 8 5 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 111 0 0 14 0 14 14 0 8 0 mcl2k 2048 39 0 0 5 0 5 5 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 296 0 0 19 0 19 19 0 8 0 bufpl 280 2509 0 123 171 0 171 171 0 8 0 anonpl 24 126496 0 123372 48 1 47 47 0 184 12 amapchunkpl 152 13655 0 13137 29 5 24 29 0 158 3 amappl16 200 2780 0 2760 22 10 12 14 0 8 8 amappl15 192 8 0 8 1 1 0 1 0 8 0 amappl14 184 106 0 96 1 0 1 1 0 8 0 amappl13 176 7 0 7 1 1 0 1 0 8 0 amappl12 168 1177 0 1143 2 0 2 2 0 8 0 amappl11 160 61 0 51 1 0 1 1 0 8 0 amappl10 152 12 0 12 1 1 0 1 0 8 0 amappl9 144 247 0 247 1 1 0 1 0 8 0 amappl8 136 19 0 18 1 0 1 1 0 8 0 amappl7 128 94 0 83 1 0 1 1 0 8 0 amappl6 120 177 0 174 1 0 1 1 0 8 0 amappl5 112 116 0 110 1 0 1 1 0 8 0 amappl4 104 297 0 285 1 0 1 1 0 8 0 amappl3 96 2339 0 2221 5 1 4 4 0 8 0 amappl2 88 625 0 571 2 0 2 2 0 8 0 amappl1 80 8736 0 8197 13 0 13 13 0 8 0 amappl 88 3992 0 3810 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 14 0 2 1 0 1 1 0 8 0 uaddrrnd 24 585 0 548 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 585 0 548 1 0 1 1 0 8 0 vmmpekpl 168 6777 0 6744 3 0 3 3 0 8 0 vmmpepl 168 43361 0 41396 100 0 100 100 0 357 13 vmsppl 456 584 0 548 6 0 6 6 0 8 1 rwobjpl 64 17467 0 14591 50 0 50 50 0 8 0 pdppl 4096 1178 0 1096 124 42 82 100 0 8 0 pvpl 32 14986 0 0 121 0 121 121 0 265 0 pmappl 248 584 0 548 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 314 0 50 9 0 9 9 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83793ff0) 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 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x38 sys/dev/kcov.c:159 tsleep_nsec(ffff80003c4fb940,120,ffffffff8343f87e,ffffffffffffffff) at tsleep_nsec+0x5a sys/kern/kern_synch.c:163 dowait6(ffff8000ffff8018,0,0,ffff80002a44a9fc,26,0,e22ed199985e4adb,ffff80002a44ab30) at dowait6+0x54f sys/kern/kern_exit.c:641 sys_wait4(ffff8000ffff8018,ffff80002a44ab30,ffff80002a44aa80) at sys_wait4+0x13a sys/kern/kern_exit.c:680 syscall(ffff80002a44ab30) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a44ab30) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7ee09b3636a0, count: 6 ddb{0}> trace x86_ipi_db(ffffffff83793ff0) 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 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x38 sys/dev/kcov.c:159 tsleep_nsec(ffff80003c4fb940,120,ffffffff8343f87e,ffffffffffffffff) at tsleep_nsec+0x5a sys/kern/kern_synch.c:163 dowait6(ffff8000ffff8018,0,0,ffff80002a44a9fc,26,0,e22ed199985e4adb,ffff80002a44ab30) at dowait6+0x54f sys/kern/kern_exit.c:641 sys_wait4(ffff8000ffff8018,ffff80002a44ab30,ffff80002a44aa80) at sys_wait4+0x13a sys/kern/kern_exit.c:680 syscall(ffff80002a44ab30) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a44ab30) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7ee09b3636a0, 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:438 panic(ffffffff83437867) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833e7433,ffffffff8342bb14,6cb,ffffffff8333e711) at __assert+0x29 uvm_fault_unwire_locked(fffffd806c16e018,400000000000,400000011000) at uvm_fault_unwire_locked+0x4c1 uvm_fault_unwire(fffffd806c16e018,400000000000,400000011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1702 kern_sysctl_dirs(4e,ffff80003c5046a8,1,4000000001c0,ffff80003c5046d8,0,c1e77edfdf7b6cc7,1) at kern_sysctl_dirs+0x363 sysctl_vsunlock sys/kern/kern_sysctl.c:215 [inline] kern_sysctl_dirs(4e,ffff80003c5046a8,1,4000000001c0,ffff80003c5046d8,0,c1e77edfdf7b6cc7,1) at kern_sysctl_dirs+0x363 sys/kern/kern_sysctl.c:432 kern_sysctl(ffff80003c5046a4,2,4000000001c0,ffff80003c5046d8,0,37,4b89659329c787a9) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 sys_sysctl(ffff8000ffff6a60,ffff80003c504810,ffff80003c504760) at sys_sysctl+0x425 syscall(ffff80003c504810) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c504810) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5194d7987b0, count: 5 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83437867) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833e7433,ffffffff8342bb14,6cb,ffffffff8333e711) at __assert+0x29 uvm_fault_unwire_locked(fffffd806c16e018,400000000000,400000011000) at uvm_fault_unwire_locked+0x4c1 uvm_fault_unwire(fffffd806c16e018,400000000000,400000011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1702 kern_sysctl_dirs(4e,ffff80003c5046a8,1,4000000001c0,ffff80003c5046d8,0,c1e77edfdf7b6cc7,1) at kern_sysctl_dirs+0x363 sysctl_vsunlock sys/kern/kern_sysctl.c:215 [inline] kern_sysctl_dirs(4e,ffff80003c5046a8,1,4000000001c0,ffff80003c5046d8,0,c1e77edfdf7b6cc7,1) at kern_sysctl_dirs+0x363 sys/kern/kern_sysctl.c:432 kern_sysctl(ffff80003c5046a4,2,4000000001c0,ffff80003c5046d8,0,37,4b89659329c787a9) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 sys_sysctl(ffff8000ffff6a60,ffff80003c504810,ffff80003c504760) at sys_sysctl+0x425 syscall(ffff80003c504810) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c504810) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5194d7987b0, count: -10