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 335487 60933 32767 0x10 0 0 syz-executor * 5234 60933 32767 0x10 0x4000000 1K syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8343dff5) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833e677c,ffffffff83429ed4,6cb,ffffffff8333c64c) at __assert+0x29 uvm_fault_unwire_locked(fffffd806c13e908,400000000000,400000011000) at uvm_fault_unwire_locked+0x4c1 uvm_fault_unwire(fffffd806c13e908,400000000000,400000011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1702 kern_sysctl_dirs(4e,ffff80002a46a968,1,4000000001c0,ffff80002a46a998,0,8410cf469824fff8,1) at kern_sysctl_dirs+0x340 sysctl_vsunlock sys/kern/kern_sysctl.c:213 [inline] kern_sysctl_dirs(4e,ffff80002a46a968,1,4000000001c0,ffff80002a46a998,0,8410cf469824fff8,1) at kern_sysctl_dirs+0x340 sys/kern/kern_sysctl.c:430 kern_sysctl(ffff80002a46a964,2,4000000001c0,ffff80002a46a998,0,37,7b346fdcbe31a2a6) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:524 sys_sysctl(ffff8000ffff82a0,ffff80002a46aad0,ffff80002a46aa20) at sys_sysctl+0x425 syscall(ffff80002a46aad0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a46aad0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x9d6adc18310, 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:437 panic(ffffffff8343dff5) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833e677c,ffffffff83429ed4,6cb,ffffffff8333c64c) at __assert+0x29 uvm_fault_unwire_locked(fffffd806c13e908,400000000000,400000011000) at uvm_fault_unwire_locked+0x4c1 uvm_fault_unwire(fffffd806c13e908,400000000000,400000011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1702 kern_sysctl_dirs(4e,ffff80002a46a968,1,4000000001c0,ffff80002a46a998,0,8410cf469824fff8,1) at kern_sysctl_dirs+0x340 sysctl_vsunlock sys/kern/kern_sysctl.c:213 [inline] kern_sysctl_dirs(4e,ffff80002a46a968,1,4000000001c0,ffff80002a46a998,0,8410cf469824fff8,1) at kern_sysctl_dirs+0x340 sys/kern/kern_sysctl.c:430 kern_sysctl(ffff80002a46a964,2,4000000001c0,ffff80002a46a998,0,37,7b346fdcbe31a2a6) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:524 sys_sysctl(ffff8000ffff82a0,ffff80002a46aad0,ffff80002a46aa20) at sys_sysctl+0x425 syscall(ffff80002a46aad0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a46aad0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x9d6adc18310, count: -10 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002a46a540 rbx 0xffff800029aacdc7 rdx 0 rcx 0xffff8000ffff82a0 rax 0xffff800029aabff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x2b9a5f0100eceb43 r11 0xca082ff84f28164a r12 0xffff800029aacbc8 r13 0 r14 0 r15 0x1 rip 0xffffffff81eeb8d5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a46a530 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=5234 pid=60933 tcnt=4 stat=onproc flags process=10 proc=4000000 runpri=36, usrpri=80, slppri=36, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000ffff96e0,0xffff8000ffff8a48 process=0xffff80003c4fbdc0 user=0xffff80002a465000, vmspace=0xfffffd806c13e908 estcpu=30, cpticks=2, pctcpu=0.0, user=0, sys=2, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 24602 380009 51939 32767 2 0x10 syz-executor 24602 444414 51939 32767 2 0x4000010 syz-executor 68415 407795 97819 32767 2 0x10 syz-executor 49289 515147 36374 32767 2 0x10 syz-executor 49289 421404 36374 32767 2 0x4000010 syz-executor 49289 119666 36374 32767 2 0x4000010 syz-executor 49289 100320 36374 32767 2 0x4000010 syz-executor 74538 365663 56670 32767 2 0x10 syz-executor 60933 335487 41106 32767 7 0x10 syz-executor *60933 5234 41106 32767 7 0x4000010 syz-executor 60933 336081 41106 32767 2 0x4000010 syz-executor 60933 181631 41106 32767 2 0x4000010 syz-executor 24857 139243 51634 32767 2 0x10 syz-executor 24857 398891 51634 32767 3 0x4000090 kqread syz-executor 38027 522106 63679 32767 2 0x10 syz-executor 38027 470126 63679 32767 3 0x4000090 sbwait syz-executor 29391 375499 37419 0 2 0x2 syz-executor 89024 383166 0 0 3 0x14200 bored sosplice 97819 237332 7271 32767 3 0x90 nanoslp syz-executor 36374 393186 66447 32767 3 0x90 nanoslp syz-executor 63679 197842 70332 32767 2 0x10 syz-executor 41106 324297 16148 32767 3 0x90 nanoslp syz-executor 51939 286254 23469 32767 3 0x90 nanoslp syz-executor 56670 390232 75511 32767 3 0x90 nanoslp syz-executor 51634 504536 85542 32767 3 0x90 nanoslp syz-executor 23469 483995 37419 0 3 0x82 wait syz-executor 66447 308905 37419 0 3 0x82 wait syz-executor 7271 521176 37419 0 3 0x82 wait syz-executor 75511 375712 37419 0 3 0x82 wait syz-executor 16148 143253 37419 0 3 0x82 wait syz-executor 85542 113658 37419 0 3 0x82 wait syz-executor 70332 269062 37419 0 3 0x82 wait syz-executor 37419 170542 62626 0 3 0x82 kqread syz-executor 62626 320121 3504 0 3 0x10008a sigsusp ksh 3504 290858 61801 0 3 0x98 kqread sshd-session 61801 468054 94952 0 3 0x92 kqread sshd-session 27100 385169 1 0 3 0x100083 ttyin getty 94952 483825 1 0 3 0x88 kqread sshd 12614 372481 51686 73 3 0x1100090 kqread syslogd 51686 213043 1 0 3 0x100082 sbwait syslogd 10779 395210 1 0 3 0x100080 kqread resolvd 44196 392628 11628 77 3 0x100092 kqread dhcpleased 94472 75777 11628 77 3 0x100092 kqread dhcpleased 11628 127290 1 0 3 0x80 kqread dhcpleased 31968 60977 0 0 3 0x14200 bored smr 79495 370766 0 0 2 0x14200 zerothread 20795 372456 0 0 3 0x14200 aiodoned aiodoned 2036 116160 0 0 3 0x14200 syncer update 30890 223892 0 0 3 0x14200 cleaner cleaner 10553 192611 0 0 3 0x14200 reaper reaper 53477 254735 0 0 3 0x14200 pgdaemon pagedaemon 25184 277628 0 0 3 0x14200 bored viomb 60942 357139 0 0 3 0x40014200 acpi0 acpi0 22347 516408 0 0 3 0x40014200 idle1 7641 334442 0 0 3 0x14200 bored softnet3 43915 159624 0 0 3 0x14200 bored softnet2 99647 176919 0 0 3 0x14200 bored softnet1 72652 281084 0 0 3 0x14200 bored softnet0 29184 499090 0 0 3 0x14200 bored systqmp 43593 10984 0 0 3 0x14200 bored systq 87690 143879 0 0 3 0x14200 tmoslp softclockmp 59830 379980 0 0 3 0x40014200 tmoslp softclock 19345 176311 0 0 3 0x40014200 idle0 1 385675 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 60933 (syz-executor) thread 0xffff8000ffff7460 (335487) exclusive rwlock uobjlk r = 0 (0xfffffd806c151220) #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_fault+0x1e9 sys/uvm/uvm_fault.c:690 #3 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 #4 usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 #5 recall_trap+0x8 shared rwlock vmmaplk r = 0 (0xfffffd806c13ea08) #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 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1864 #3 uvm_fault_check+0x4b sys/uvm/uvm_fault.c:732 #4 uvm_fault+0x106 sys/uvm/uvm_fault.c:668 #5 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 #6 usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 #7 recall_trap+0x8 Process 60933 (syz-executor) thread 0xffff8000ffff82a0 (5234) exclusive rwlock amaplk r = 0 (0xfffffd806238e528) #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 (0xfffffd806c13ea08) #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 (0xffffffff838a1ce0) #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_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:732 #7 uvm_fault+0x106 sys/uvm/uvm_fault.c:668 #8 uvm_fault_wire+0x73 sys/uvm/uvm_fault.c:1681 #9 sysctl_vslock+0x109 sys/kern/kern_sysctl.c:195 #10 kern_sysctl_dirs+0x247 sys/kern/kern_sysctl.c:426 #11 kern_sysctl+0x12d sys/kern/kern_sysctl.c:524 #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 (0xffffffff837fcb38) #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 Process 38027 (syz-executor) thread 0xffff8000ffff62a8 (470126) exclusive rwlock sbufrcv r = 0 (0xffff800010fdf110) #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 sblock+0xb7 sys/kern/uipc_socket2.c:537 #3 soreceive+0x28e sys/kern/uipc_socket.c:882 #4 recvit+0x40a sys/kern/uipc_syscalls.c:1072 #5 sys_recvmsg+0x1bf sys/kern/uipc_syscalls.c:872 #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 10188 10952K 10966K 166960K 11270 0 pcb 17 12K 12K 166960K 17 0 rtable 220 6K 7K 166960K 383 0 pf 29 16K 16K 166960K 31 0 ifaddr 38 6K 7K 166960K 44 0 ifgroup 46 2K 2K 166960K 50 0 sysctl 3 1K 2K 166960K 5 0 counters 62 36K 36K 166960K 64 0 ioctlops 0 0K 2K 166960K 41 0 iov 0 0K 12K 166960K 63 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1332 84K 84K 166960K 1602 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 17 0 VM map 2 1K 1K 166960K 2 0 sem 11 1K 1K 166960K 11 0 dirhash 12 2K 2K 166960K 30 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 24 89K 125K 166960K 737 0 sigio 0 0K 0K 166960K 7 0 proc 59 91K 140K 166960K 550 0 subproc 72 4K 4K 166960K 252 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 212 0 in_multi 88 6K 7K 166960K 115 0 ether_multi 1 0K 0K 166960K 1 0 mrt 1 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 91 413K 413K 166960K 91 0 exec 0 0K 1K 166960K 521 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 225 69K 88K 166960K 8015 0 UVM aobj 22 4K 4K 166960K 24 0 pinsyscall 45 90K 114K 166960K 1772 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 46 0 NDP 10 0K 2K 166960K 27 0 temp 52 8634K 8698K 166960K 7075 0 kqueue 14 22K 28K 166960K 137 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 73 0 69 1 0 1 1 0 8 0 rtentry 112 120 0 17 4 0 4 4 0 8 0 unpcb 144 621 0 604 6 5 1 6 0 8 0 syncache 336 11 0 11 2 1 1 1 0 8 1 tcpqe 32 1 0 1 1 1 0 1 0 8 0 tcpcb 808 251 0 246 4 3 1 4 0 8 0 arp 120 19 0 2 1 0 1 1 0 8 0 ipq 40 2 0 1 1 0 1 1 0 8 0 ipqe 40 46 0 45 1 0 1 1 0 8 0 inpcb 376 709 0 700 12 8 4 9 0 8 2 nd6 136 32 0 8 1 0 1 1 0 8 0 kcovpl 48 28 0 20 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 470 0 55 29 1 28 29 0 8 0 art_table 32 471 0 55 4 0 4 4 0 8 0 art_node 16 119 0 25 1 0 1 1 0 8 0 sysvmsgpl 40 9 0 5 1 0 1 1 0 8 0 semapl 112 9 0 0 1 0 1 1 0 8 0 shmpl 112 21 0 2 1 0 1 1 0 8 0 dirhash 1024 29 0 12 3 0 3 3 0 8 0 dino2pl 256 2382 0 859 96 0 96 96 0 8 0 ffsino 280 2382 0 859 109 0 109 109 0 8 0 nchpl 144 3333 0 1637 63 0 63 63 0 8 0 uvmvnodes 80 2643 0 0 54 0 54 54 0 8 0 vnodes 216 2643 0 0 147 0 147 147 0 8 0 namei 1024 10865 0 10865 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 11425 0 11425 9 8 1 8 1 8 1 plimitpl 152 168 0 145 3 1 2 2 0 8 1 sigapl 424 977 0 922 8 0 8 8 0 8 0 futexpl 64 7839 0 7839 1 0 1 1 0 8 1 knotepl 120 321 0 0 10 0 10 10 0 8 0 kqueuepl 216 243 0 233 6 5 1 5 0 8 0 pipepl 328 247 0 220 5 2 3 5 0 8 0 fdescpl 504 958 0 922 7 2 5 6 0 8 0 filepl 152 5356 0 5151 14 5 9 14 0 8 1 lockfpl 104 200 0 198 1 0 1 1 0 8 0 lockfspl 48 61 0 59 1 0 1 1 0 8 0 sessionpl 144 48 0 33 1 0 1 1 0 8 0 pgrppl 48 86 0 63 1 0 1 1 0 8 0 ucredpl 104 909 0 891 1 0 1 1 0 8 0 zombiepl 144 922 0 922 1 0 1 1 0 8 1 processpl 1168 977 0 922 5 0 5 5 0 8 0 procpl 648 1891 0 1827 7 1 6 7 0 8 0 sosppl 168 6 0 6 1 1 0 1 0 8 0 sockpl 688 1410 0 1381 17 11 6 16 0 8 3 mcl64k 65536 5 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 132 0 0 17 0 17 17 0 8 0 mcl2k 2048 28 0 0 4 0 4 4 0 8 0 mtagpl 96 1 0 0 1 0 1 1 0 8 0 mbufpl 256 373 0 0 24 0 24 24 0 8 0 bufpl 280 3464 0 124 239 0 239 239 0 8 0 anonpl 24 181277 0 177753 53 6 47 48 0 184 16 amapchunkpl 152 26568 0 26045 30 7 23 30 0 158 2 amappl16 200 3562 0 3538 30 19 11 14 0 8 8 amappl15 192 5 0 5 1 1 0 1 0 8 0 amappl14 184 130 0 120 1 0 1 1 0 8 0 amappl13 176 4 0 4 2 2 0 1 0 8 0 amappl12 168 1558 0 1523 2 0 2 2 0 8 0 amappl11 160 45 0 35 1 0 1 1 0 8 0 amappl10 152 4 0 4 1 1 0 1 0 8 0 amappl9 144 247 0 246 1 0 1 1 0 8 0 amappl8 136 29 0 26 1 0 1 1 0 8 0 amappl7 128 98 0 88 1 0 1 1 0 8 0 amappl6 120 183 0 179 1 0 1 1 0 8 0 amappl5 112 115 0 108 1 0 1 1 0 8 0 amappl4 104 311 0 295 1 0 1 1 0 8 0 amappl3 96 4872 0 4755 4 0 4 4 0 8 0 amappl2 88 682 0 628 2 0 2 2 0 8 0 amappl1 80 11142 0 10592 15 1 14 15 0 8 0 amappl 88 7565 0 7388 6 1 5 6 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 23 0 2 1 0 1 1 0 8 0 uaddrrnd 24 958 0 922 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 958 0 922 1 0 1 1 0 8 0 vmmpekpl 168 10290 0 10252 3 0 3 3 0 8 0 vmmpepl 168 66578 0 64630 103 8 95 101 0 357 5 vmsppl 456 957 0 922 7 2 5 6 0 8 0 rwobjpl 64 23872 0 20377 59 0 59 59 0 8 2 pdppl 4096 1923 0 1844 129 50 79 97 0 8 0 pvpl 32 15388 0 0 125 0 125 125 0 265 0 pmappl 248 957 0 922 4 1 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 328 0 59 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff8383aff0) 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(ffffffff838a1ad8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff838a1ad8) 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 __mp_lock(ffffffff838a1ad8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff838a1ad8) at __mp_lock+0x192 sys/kern/kern_lock.c:144 uvm_fault(fffffd806c13e908,9d660d6b000,0,2) at uvm_fault+0x1ee sys/uvm/uvm_fault.c:691 upageflttrap(ffff80003c4f8670,9d660d6b000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80003c4f8670) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7b81da9f65e0, count: 4 ddb{0}> trace x86_ipi_db(ffffffff8383aff0) 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(ffffffff838a1ad8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff838a1ad8) 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 __mp_lock(ffffffff838a1ad8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff838a1ad8) at __mp_lock+0x192 sys/kern/kern_lock.c:144 uvm_fault(fffffd806c13e908,9d660d6b000,0,2) at uvm_fault+0x1ee sys/uvm/uvm_fault.c:691 upageflttrap(ffff80003c4f8670,9d660d6b000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80003c4f8670) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7b81da9f65e0, count: -11 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(ffffffff8343dff5) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833e677c,ffffffff83429ed4,6cb,ffffffff8333c64c) at __assert+0x29 uvm_fault_unwire_locked(fffffd806c13e908,400000000000,400000011000) at uvm_fault_unwire_locked+0x4c1 uvm_fault_unwire(fffffd806c13e908,400000000000,400000011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1702 kern_sysctl_dirs(4e,ffff80002a46a968,1,4000000001c0,ffff80002a46a998,0,8410cf469824fff8,1) at kern_sysctl_dirs+0x340 sysctl_vsunlock sys/kern/kern_sysctl.c:213 [inline] kern_sysctl_dirs(4e,ffff80002a46a968,1,4000000001c0,ffff80002a46a998,0,8410cf469824fff8,1) at kern_sysctl_dirs+0x340 sys/kern/kern_sysctl.c:430 kern_sysctl(ffff80002a46a964,2,4000000001c0,ffff80002a46a998,0,37,7b346fdcbe31a2a6) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:524 sys_sysctl(ffff8000ffff82a0,ffff80002a46aad0,ffff80002a46aa20) at sys_sysctl+0x425 syscall(ffff80002a46aad0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a46aad0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x9d6adc18310, count: 5 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8343dff5) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833e677c,ffffffff83429ed4,6cb,ffffffff8333c64c) at __assert+0x29 uvm_fault_unwire_locked(fffffd806c13e908,400000000000,400000011000) at uvm_fault_unwire_locked+0x4c1 uvm_fault_unwire(fffffd806c13e908,400000000000,400000011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1702 kern_sysctl_dirs(4e,ffff80002a46a968,1,4000000001c0,ffff80002a46a998,0,8410cf469824fff8,1) at kern_sysctl_dirs+0x340 sysctl_vsunlock sys/kern/kern_sysctl.c:213 [inline] kern_sysctl_dirs(4e,ffff80002a46a968,1,4000000001c0,ffff80002a46a998,0,8410cf469824fff8,1) at kern_sysctl_dirs+0x340 sys/kern/kern_sysctl.c:430 kern_sysctl(ffff80002a46a964,2,4000000001c0,ffff80002a46a998,0,37,7b346fdcbe31a2a6) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:524 sys_sysctl(ffff8000ffff82a0,ffff80002a46aad0,ffff80002a46aa20) at sys_sysctl+0x425 syscall(ffff80002a46aad0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a46aad0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x9d6adc18310, count: -10