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 5899 24901 32767 0x10 0 0 syz-executor *100292 24901 32767 0x10 0x4000000 1K syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8343f618) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833ec4a2,ffffffff8342ff61,6cb,ffffffff83343465) at __assert+0x29 uvm_fault_unwire_locked(fffffd806c045c98,400000000000,400000011000) at uvm_fault_unwire_locked+0x4c1 uvm_fault_unwire(fffffd806c045c98,400000000000,400000011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1702 kern_sysctl_dirs(4e,ffff80003c53c878,1,4000000001c0,ffff80003c53c8a8,0,4d42329dfac4cb0b,1) at kern_sysctl_dirs+0x363 sysctl_vsunlock sys/kern/kern_sysctl.c:215 [inline] kern_sysctl_dirs(4e,ffff80003c53c878,1,4000000001c0,ffff80003c53c8a8,0,4d42329dfac4cb0b,1) at kern_sysctl_dirs+0x363 sys/kern/kern_sysctl.c:432 kern_sysctl(ffff80003c53c874,2,4000000001c0,ffff80003c53c8a8,0,37,c9331634eb73c9e1) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 sys_sysctl(ffff8000fffef220,ffff80003c53c9e0,ffff80003c53c930) at sys_sysctl+0x425 syscall(ffff80003c53c9e0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c53c9e0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x934a84b09d0, 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(ffffffff8343f618) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833ec4a2,ffffffff8342ff61,6cb,ffffffff83343465) at __assert+0x29 uvm_fault_unwire_locked(fffffd806c045c98,400000000000,400000011000) at uvm_fault_unwire_locked+0x4c1 uvm_fault_unwire(fffffd806c045c98,400000000000,400000011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1702 kern_sysctl_dirs(4e,ffff80003c53c878,1,4000000001c0,ffff80003c53c8a8,0,4d42329dfac4cb0b,1) at kern_sysctl_dirs+0x363 sysctl_vsunlock sys/kern/kern_sysctl.c:215 [inline] kern_sysctl_dirs(4e,ffff80003c53c878,1,4000000001c0,ffff80003c53c8a8,0,4d42329dfac4cb0b,1) at kern_sysctl_dirs+0x363 sys/kern/kern_sysctl.c:432 kern_sysctl(ffff80003c53c874,2,4000000001c0,ffff80003c53c8a8,0,37,c9331634eb73c9e1) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 sys_sysctl(ffff8000fffef220,ffff80003c53c9e0,ffff80003c53c930) at sys_sysctl+0x425 syscall(ffff80003c53c9e0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c53c9e0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x934a84b09d0, count: -10 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80003c53c450 rbx 0xffff800029aacdc7 rdx 0 rcx 0xffff8000fffef220 rax 0xffff800029aabff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xf51e45cfdc6717cb r11 0xb6bd86ec765ac9c6 r12 0xffff800029aacbc8 r13 0 r14 0 r15 0x1 rip 0xffffffff82c65d85 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c53c440 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=100292 pid=24901 tcnt=4 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=0xffff8000ffff8548,0xffff8000fffef4c0 process=0xffff8000ffff1280 user=0xffff80003c537000, vmspace=0xfffffd806c045c98 estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=2, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 24901 5899 81792 32767 7 0x10 syz-executor *24901 100292 81792 32767 7 0x4000010 syz-executor 24901 81305 81792 32767 3 0x4000090 fsleep syz-executor 24901 218509 81792 32767 2 0x4000010 syz-executor 47557 392733 25141 32767 2 0x10 syz-executor 47557 503876 25141 32767 3 0x4000090 fsleep syz-executor 44353 275592 0 0 3 0x14200 bored sosplice 60010 479489 52825 32767 2 0x10 syz-executor 60010 135 52825 32767 3 0x4000090 kqread syz-executor 60010 229078 52825 32767 3 0x4000090 fsleep syz-executor 89471 167052 86148 32767 3 0x90 nanoslp syz-executor 89471 142840 86148 32767 3 0x4000090 kqread syz-executor 89471 496662 86148 32767 3 0x4000090 fsleep syz-executor 16887 266421 624 32767 3 0x90 nanoslp syz-executor 16887 282033 624 32767 3 0x4000090 ttyin syz-executor 16887 210927 624 32767 3 0x4000090 fsleep syz-executor 4454 318259 18562 32767 3 0x90 nanoslp syz-executor 4454 431351 18562 32767 3 0x4000090 pipewr syz-executor 4454 51432 18562 32767 3 0x4000090 fsleep syz-executor 25141 248711 19359 32767 3 0x90 nanoslp syz-executor 18562 93165 77078 32767 3 0x90 nanoslp syz-executor 86148 302130 81390 32767 3 0x90 nanoslp syz-executor 52825 14896 58561 32767 3 0x90 nanoslp syz-executor 49806 329402 45901 32767 3 0x90 nanoslp syz-executor 81792 324887 65508 32767 3 0x90 nanoslp syz-executor 624 72750 47677 32767 3 0x90 nanoslp syz-executor 3809 325973 15652 0 3 0x82 wait syz-executor 45901 121699 15652 0 3 0x82 wait syz-executor 47677 415507 15652 0 3 0x82 wait syz-executor 65508 150201 15652 0 3 0x82 wait syz-executor 19359 175959 15652 0 3 0x82 wait syz-executor 77078 379633 15652 0 3 0x82 wait syz-executor 81390 316308 15652 0 3 0x82 wait syz-executor 58561 503517 15652 0 3 0x82 wait syz-executor 15652 182695 56070 0 3 0x82 kqread syz-executor 56070 216566 76953 0 3 0x10008a sigsusp ksh 76953 185004 15922 0 3 0x98 kqread sshd-session 15922 300997 12924 0 3 0x92 kqread sshd-session 64754 328665 1 0 3 0x100083 ttyin getty 12924 43240 1 0 3 0x88 kqread sshd 31174 374328 9290 73 3 0x1100090 kqread syslogd 9290 382344 1 0 3 0x100082 sbwait syslogd 25070 309036 1 0 3 0x100080 kqread resolvd 94898 203225 73731 77 3 0x100092 kqread dhcpleased 31860 255400 73731 77 3 0x100092 kqread dhcpleased 73731 336045 1 0 3 0x80 kqread dhcpleased 70238 13535 0 0 3 0x14200 bored smr 72957 472439 0 0 2 0x14200 zerothread 31595 411254 0 0 3 0x14200 aiodoned aiodoned 44820 332070 0 0 3 0x14200 syncer update 9570 253962 0 0 3 0x14200 cleaner cleaner 91980 146585 0 0 3 0x14200 reaper reaper 69043 319571 0 0 3 0x14200 pgdaemon pagedaemon 69400 116733 0 0 3 0x14200 bored viomb 39175 30029 0 0 3 0x40014200 acpi0 acpi0 99543 352500 0 0 3 0x40014200 idle1 5712 193704 0 0 3 0x14200 bored softnet3 64259 451981 0 0 3 0x14200 bored softnet2 15375 89004 0 0 3 0x14200 bored softnet1 57659 322357 0 0 3 0x14200 bored softnet0 80596 464276 0 0 3 0x14200 bored systqmp 90035 73702 0 0 3 0x14200 bored systq 75728 172253 0 0 3 0x14200 tmoslp softclockmp 81618 424987 0 0 3 0x40014200 tmoslp softclock 99514 310975 0 0 3 0x40014200 idle0 1 85691 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 24901 (syz-executor) thread 0xffff8000fffef220 (100292) exclusive rwlock amaplk r = 0 (0xfffffd806bda8460) #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 (0xfffffd806c045d98) #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 (0xffffffff8393bb28) #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:412 #4 rw_do_enter_read+0x2de sys/kern/kern_rwlock.c:385 #5 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1864 #6 uvm_fault_check+0x4b sys/uvm/uvm_fault.c:730 #7 uvm_fault+0x106 sys/uvm/uvm_fault.c:666 #8 uvm_fault_wire+0x73 sys/uvm/uvm_fault.c:1681 #9 sysctl_vslock+0x109 sys/kern/kern_sysctl.c:197 #10 kern_sysctl_dirs+0x266 sys/kern/kern_sysctl.c:428 #11 kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 #12 sys_sysctl+0x425 #13 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #14 Xsyscall+0x128 exclusive rwlock sysctllk r = 0 (0xffffffff837f1128) #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 10184 10954K 10965K 166960K 11263 0 pcb 17 12K 12K 166960K 17 0 rtable 236 6K 6K 166960K 349 0 pf 31 16K 16K 166960K 31 0 ifaddr 42 7K 7K 166960K 44 0 ifgroup 50 2K 2K 166960K 50 0 sysctl 1 1K 1K 166960K 1 0 counters 64 36K 36K 166960K 64 0 ioctlops 0 0K 2K 166960K 29 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1332 84K 84K 166960K 1354 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 1K 166960K 2 0 VM map 2 1K 1K 166960K 2 0 sem 5 0K 0K 166960K 5 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 25 93K 121K 166960K 174 0 sigio 0 0K 0K 166960K 3 0 proc 58 79K 115K 166960K 476 0 subproc 72 4K 4K 166960K 72 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 7 0 in_multi 99 7K 7K 166960K 103 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 55 254K 254K 166960K 55 0 exec 0 0K 1K 166960K 341 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 246 73K 87K 166960K 2827 0 UVM aobj 4 2K 2K 166960K 4 0 pinsyscall 46 92K 112K 166960K 1171 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 1 0 NDP 27 2K 2K 166960K 27 0 temp 37 8678K 8742K 166960K 3725 0 kqueue 15 24K 26K 166960K 31 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 36 0 32 1 0 1 1 0 8 0 rtentry 160 112 0 1 5 0 5 5 0 8 0 unpcb 144 49 0 31 1 0 1 1 0 8 0 syncache 336 4 0 4 1 0 1 1 0 8 1 tcpqe 32 1 0 1 1 0 1 1 0 8 1 tcpcb 808 21 0 14 1 0 1 1 0 8 0 arp 120 18 0 0 1 0 1 1 0 8 0 inpcb 376 88 0 77 2 0 2 2 0 8 0 nd6 136 25 0 0 1 0 1 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 454 0 0 29 0 29 29 0 8 0 art_table 32 455 0 0 4 0 4 4 0 8 0 art_node 16 111 0 10 1 0 1 1 0 8 0 semapl 112 3 0 0 1 0 1 1 0 8 0 shmpl 112 1 0 0 1 0 1 1 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 1594 0 90 95 0 95 95 0 8 0 ffsino 280 1594 0 90 108 0 108 108 0 8 0 nchpl 144 1819 0 141 63 0 63 63 0 8 0 uvmvnodes 80 1675 0 0 35 0 35 35 0 8 0 vnodes 216 1675 0 0 94 0 94 94 0 8 0 namei 1024 5326 0 5326 2 0 2 2 0 8 2 percpumem 16 46 0 0 1 0 1 1 0 8 0 kstatmem 264 22 0 0 2 0 2 2 0 8 0 scxspl 216 6232 0 6232 9 1 8 8 1 8 8 plimitpl 152 40 0 15 2 0 2 2 0 8 1 sigapl 424 446 0 390 8 1 7 7 0 8 0 futexpl 64 487 0 481 1 0 1 1 0 8 0 knotepl 120 297 0 0 9 0 9 9 0 8 0 kqueuepl 216 30 0 19 1 0 1 1 0 8 0 pipepl 328 102 0 74 3 0 3 3 0 8 0 fdescpl 504 427 0 390 6 0 6 6 0 8 0 filepl 152 1488 0 1270 9 0 9 9 0 8 0 lockfpl 104 13 0 10 1 0 1 1 0 8 0 lockfspl 48 8 0 5 1 0 1 1 0 8 0 sessionpl 144 22 0 6 1 0 1 1 0 8 0 pgrppl 48 32 0 8 1 0 1 1 0 8 0 ucredpl 104 126 0 107 1 0 1 1 0 8 0 zombiepl 144 392 0 390 1 0 1 1 0 8 0 processpl 1176 446 0 390 5 0 5 5 0 8 0 procpl 656 512 0 444 7 1 6 6 0 8 0 sosppl 168 1 0 1 1 0 1 1 0 8 1 sockpl 688 173 0 140 4 0 4 4 0 8 1 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 114 0 0 15 0 15 15 0 8 0 mcl2k 2048 20 0 0 3 0 3 3 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 157 0 0 10 0 10 10 0 8 0 bufpl 280 2277 0 123 154 0 154 154 0 8 0 anonpl 24 95269 0 91984 33 0 33 33 0 184 12 amapchunkpl 152 8923 0 8356 30 0 30 30 0 158 6 amappl16 200 1700 0 1678 5 0 5 5 0 8 3 amappl15 192 5 0 5 1 0 1 1 0 8 1 amappl14 184 105 0 95 1 0 1 1 0 8 0 amappl13 176 1 0 1 1 0 1 1 0 8 1 amappl12 168 1020 0 983 2 0 2 2 0 8 0 amappl11 160 48 0 37 1 0 1 1 0 8 0 amappl10 152 4 0 4 1 0 1 1 0 8 1 amappl9 144 249 0 249 1 0 1 1 0 8 1 amappl8 136 24 0 23 1 0 1 1 0 8 0 amappl7 128 90 0 79 1 0 1 1 0 8 0 amappl6 120 169 0 166 1 0 1 1 0 8 0 amappl5 112 114 0 107 1 0 1 1 0 8 0 amappl4 104 269 0 256 1 0 1 1 0 8 0 amappl3 96 1390 0 1259 4 0 4 4 0 8 0 amappl2 88 601 0 549 2 0 2 2 0 8 0 amappl1 80 7687 0 7140 14 0 14 14 0 8 0 amappl 88 2494 0 2297 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 3 0 0 1 0 1 1 0 8 0 uaddrrnd 24 427 0 390 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 427 0 390 1 0 1 1 0 8 0 vmmpekpl 168 5141 0 5110 2 0 2 2 0 8 0 vmmpepl 168 32315 0 30319 95 0 95 95 0 357 5 vmsppl 456 426 0 390 6 0 6 6 0 8 1 rwobjpl 64 13853 0 11336 42 0 42 42 0 8 0 pdppl 4096 861 0 780 107 12 95 95 0 8 14 pvpl 32 11717 0 0 96 1 95 95 0 265 0 pmappl 248 426 0 390 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 277 0 14 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83804ff0) 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(ffffffff8393b920) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8393b920) 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 end of kernel end trace frame: 0x726b43d2c510, count: 9 ddb{0}> trace x86_ipi_db(ffffffff83804ff0) 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(ffffffff8393b920) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8393b920) 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 end of kernel end trace frame: 0x726b43d2c510, count: -6 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(ffffffff8343f618) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833ec4a2,ffffffff8342ff61,6cb,ffffffff83343465) at __assert+0x29 uvm_fault_unwire_locked(fffffd806c045c98,400000000000,400000011000) at uvm_fault_unwire_locked+0x4c1 uvm_fault_unwire(fffffd806c045c98,400000000000,400000011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1702 kern_sysctl_dirs(4e,ffff80003c53c878,1,4000000001c0,ffff80003c53c8a8,0,4d42329dfac4cb0b,1) at kern_sysctl_dirs+0x363 sysctl_vsunlock sys/kern/kern_sysctl.c:215 [inline] kern_sysctl_dirs(4e,ffff80003c53c878,1,4000000001c0,ffff80003c53c8a8,0,4d42329dfac4cb0b,1) at kern_sysctl_dirs+0x363 sys/kern/kern_sysctl.c:432 kern_sysctl(ffff80003c53c874,2,4000000001c0,ffff80003c53c8a8,0,37,c9331634eb73c9e1) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 sys_sysctl(ffff8000fffef220,ffff80003c53c9e0,ffff80003c53c930) at sys_sysctl+0x425 syscall(ffff80003c53c9e0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c53c9e0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x934a84b09d0, count: 5 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8343f618) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833ec4a2,ffffffff8342ff61,6cb,ffffffff83343465) at __assert+0x29 uvm_fault_unwire_locked(fffffd806c045c98,400000000000,400000011000) at uvm_fault_unwire_locked+0x4c1 uvm_fault_unwire(fffffd806c045c98,400000000000,400000011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1702 kern_sysctl_dirs(4e,ffff80003c53c878,1,4000000001c0,ffff80003c53c8a8,0,4d42329dfac4cb0b,1) at kern_sysctl_dirs+0x363 sysctl_vsunlock sys/kern/kern_sysctl.c:215 [inline] kern_sysctl_dirs(4e,ffff80003c53c878,1,4000000001c0,ffff80003c53c8a8,0,4d42329dfac4cb0b,1) at kern_sysctl_dirs+0x363 sys/kern/kern_sysctl.c:432 kern_sysctl(ffff80003c53c874,2,4000000001c0,ffff80003c53c8a8,0,37,c9331634eb73c9e1) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 sys_sysctl(ffff8000fffef220,ffff80003c53c9e0,ffff80003c53c930) at sys_sysctl+0x425 syscall(ffff80003c53c9e0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c53c9e0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x934a84b09d0, count: -10