panic: kernel diagnostic assertion "next != NULL && next->start <= entry->end" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_fault.c", line 1643 Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *210925 23310 0 0 0x4000000 1K syz-executor.4 438095 74571 0 0 0x4000000 0 syz-executor.3 db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 panic(ffffffff825759bd) at panic+0x177 sys/kern/subr_prf.c:202 __assert(ffffffff825eba50,ffffffff82570190,66b,ffffffff82558984) at __assert+0x25 sys/kern/subr_prf.c:161 uvm_fault_unwire_locked(fffffd8074c1f5e0,20000000,20010000) at uvm_fault_unwire_locked+0x2eb sys/uvm/uvm_fault.c:1640 uvm_fault_unwire(fffffd8074c1f5e0,20000000,20010000) at uvm_fault_unwire+0x3f sys/uvm/uvm_fault.c:1601 sys_sysctl(ffff800024c8efc8,ffff80002e3b6548,ffff80002e3b65a0) at sys_sysctl+0x229 sys/kern/kern_sysctl.c:254 syscall(ffff80002e3b6610) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002e3b6610) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x458b710d6a0, count: 7 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 "next != NULL && next->start <= entry->end" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_fault.c", line 1643 ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 panic(ffffffff825759bd) at panic+0x177 sys/kern/subr_prf.c:202 __assert(ffffffff825eba50,ffffffff82570190,66b,ffffffff82558984) at __assert+0x25 sys/kern/subr_prf.c:161 uvm_fault_unwire_locked(fffffd8074c1f5e0,20000000,20010000) at uvm_fault_unwire_locked+0x2eb sys/uvm/uvm_fault.c:1640 uvm_fault_unwire(fffffd8074c1f5e0,20000000,20010000) at uvm_fault_unwire+0x3f sys/uvm/uvm_fault.c:1601 sys_sysctl(ffff800024c8efc8,ffff80002e3b6548,ffff80002e3b65a0) at sys_sysctl+0x229 sys/kern/kern_sysctl.c:254 syscall(ffff80002e3b6610) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002e3b6610) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x458b710d6a0, count: -8 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002e3b62d0 rbx 0xffff800020ce9bff rdx 0 rcx 0 rax 0xffff800024c8efc8 r8 0x101010101010101 r9 0x8080808080808080 r10 0x81d53c33c3f44886 r11 0x6443562941b0fda2 r12 0xffff800020ce9a00 r13 0 r14 0 r15 0x1 rip 0xffffffff813fdbe8 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff80002e3b62c0 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.4) pid=210925 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=78, nice=20 forw=0xffffffffffffffff, list=0xffff800024c8ea88,0xffff800024c982c0 process=0xffff8000ffff0018 user=0xffff80002e3b1000, vmspace=0xfffffd8074c1f5e0 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 23310 207671 61345 0 3 0x80 nanoslp syz-executor.4 23310 477403 61345 0 3 0x4000080 fsleep syz-executor.4 *23310 210925 61345 0 7 0x4000000 syz-executor.4 23310 512856 61345 0 3 0x4000080 fsleep syz-executor.4 74571 240683 55447 0 2 0 syz-executor.3 74571 438095 55447 0 7 0x4000000 syz-executor.3 74571 484280 55447 0 3 0x4000080 fsleep syz-executor.3 31943 220092 67041 0 2 0 syz-executor.5 31943 312689 67041 0 3 0x4000080 fsleep syz-executor.5 18139 173431 0 0 3 0x14280 nfsidl nfsio 72901 460401 0 0 3 0x14280 nfsidl nfsio 58539 293279 0 0 3 0x14280 nfsidl nfsio 51712 245753 0 0 3 0x14280 nfsidl nfsio 94242 421964 0 0 3 0x14280 nfsidl nfsio 54871 330639 0 0 3 0x14280 nfsidl nfsio 47991 109698 5184 0 3 0x80 nanoslp syz-executor.6 47991 300029 5184 0 3 0x4000080 ttyout syz-executor.6 47991 351319 5184 0 3 0x4000080 fsleep syz-executor.6 47991 383859 5184 0 3 0x4000080 fsleep syz-executor.6 29210 230508 0 0 3 0x14200 bored sosplice 2799 414554 51931 0 3 0x82 piperd syz-executor.7 5184 134932 51931 0 3 0x82 nanoslp syz-executor.6 67041 134776 51931 0 3 0x82 nanoslp syz-executor.5 61345 178749 51931 0 3 0x82 nanoslp syz-executor.4 35807 488836 51931 0 3 0x2 biowait syz-executor.2 55447 200158 51931 0 3 0x82 nanoslp syz-executor.3 89687 505376 51931 0 3 0x82 nanoslp syz-executor.1 45112 433242 51931 0 3 0x2 biowait syz-executor.0 51931 152382 68006 0 3 0x82 thrsleep syz-fuzzer 51931 442187 68006 0 3 0x4000082 nanoslp syz-fuzzer 51931 491148 68006 0 3 0x4000082 kqread syz-fuzzer 51931 139625 68006 0 3 0x4000082 thrsleep syz-fuzzer 51931 295400 68006 0 3 0x4000082 thrsleep syz-fuzzer 51931 332623 68006 0 3 0x4000082 thrsleep syz-fuzzer 51931 468113 68006 0 3 0x4000082 thrsleep syz-fuzzer 51931 67559 68006 0 3 0x4000082 thrsleep syz-fuzzer 51931 223412 68006 0 3 0x4000082 thrsleep syz-fuzzer 68006 363312 43009 0 3 0x10008a sigsusp ksh 43009 182269 81886 0 3 0x9a kqread sshd 62654 315112 1 0 3 0x100083 ttyin getty 81886 18598 1 0 3 0x88 kqread sshd 15225 306203 9621 74 3 0x1100092 bpf pflogd 9621 14711 1 0 3 0x80 netio pflogd 80174 260001 89894 73 3 0x1100090 kqread syslogd 89894 307711 1 0 3 0x100082 netio syslogd 72338 186196 1 0 3 0x100080 kqread resolvd 946 502272 26178 77 3 0x100092 kqread dhcpleased 81213 253072 26178 77 3 0x100092 kqread dhcpleased 26178 221408 1 0 3 0x80 kqread dhcpleased 7277 163638 0 0 3 0x14200 bored smr 2977 315903 0 0 2 0x14200 zerothread 5320 22809 0 0 3 0x14200 aiodoned aiodoned 3424 324306 0 0 3 0x14200 syncer update 19962 353616 0 0 3 0x14200 cleaner cleaner 6956 250613 0 0 3 0x14200 reaper reaper 28843 517900 0 0 3 0x14200 pgdaemon pagedaemon 18771 191407 0 0 3 0x14200 bored viomb 11162 369280 0 0 3 0x40014200 acpi0 acpi0 42634 461126 0 0 3 0x40014200 idle1 28579 245801 0 0 3 0x14200 bored softnet 49243 158285 0 0 3 0x14200 bored systqmp 33935 160923 0 0 3 0x14200 bored systq 26353 362650 0 0 3 0x40014200 bored softclock 78388 29792 0 0 3 0x40014200 idle0 1 394332 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 23310 (syz-executor.4) thread 0xffff800024c8efc8 (210925) exclusive rwlock amaplk r = 0 (0xfffffd807a859248) #0 witness_lock+0x44d #1 uvm_map_lock_entry+0x36 sys/uvm/uvm_map.c:508 #2 uvm_fault_unwire_locked+0x1e8 sys/uvm/uvm_fault.c:1655 #3 uvm_fault_unwire+0x3f sys/uvm/uvm_fault.c:1601 #4 sys_sysctl+0x229 sys/kern/kern_sysctl.c:254 #5 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #5 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #6 Xsyscall+0x128 shared rwlock vmmaplk r = 0 (0xfffffd8074c1f5f8) #0 witness_lock+0x44d #1 uvm_fault_unwire+0x31 sys/uvm/uvm_fault.c:1600 #2 sys_sysctl+0x229 sys/kern/kern_sysctl.c:254 #3 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #3 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #4 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff829f0ab8) #0 witness_lock+0x44d #1 __mp_acquire_count+0x48 sys/kern/kern_lock.c:227 #2 mi_switch+0x3d3 sys/kern/sched_bsd.c:416 #3 sleep_finish+0x198 sys/kern/kern_synch.c:437 #4 rw_enter+0x35a sys/kern/kern_rwlock.c:286 #5 vm_map_lock_ln+0xda sys/uvm/uvm_map.c:5458 #6 uvmfault_lookup+0xb9 sys/uvm/uvm_fault.c:1752 #7 uvm_fault_check+0x603 uvmfault_amapcopy sys/uvm/uvm_fault.c:236 [inline] #7 uvm_fault_check+0x603 sys/uvm/uvm_fault.c:712 #8 uvm_fault+0x102 sys/uvm/uvm_fault.c:602 #9 uvm_fault_wire+0x63 sys/uvm/uvm_fault.c:1580 #10 sys_sysctl+0x2d8 sys/kern/kern_sysctl.c:240 #11 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #11 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #12 Xsyscall+0x128 exclusive rwlock sysctllk r = 0 (0xffffffff8296c8c0) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 sys_sysctl+0x1b3 sys/kern/kern_sysctl.c:233 #3 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #3 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #4 Xsyscall+0x128 Process 35807 (syz-executor.2) thread 0xffff8000ffff4540 (488836) exclusive rrwlock inode r = 0 (0xfffffd8068f5f4d8) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534 #4 ufs_ihashins+0x42 sys/ufs/ufs/ufs_ihash.c:140 #5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1347 #6 ffs_inode_alloc+0x1be sys/ufs/ffs/ffs_alloc.c:394 #7 ufs_mkdir+0xf4 sys/ufs/ufs/ufs_vnops.c:1162 #8 VOP_MKDIR+0xbf sys/kern/vfs_vops.c:404 #9 domkdirat+0x121 sys/kern/vfs_syscalls.c:3101 #10 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #10 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd80670870a0) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:579 #5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:413 #6 namei+0x36a sys/kern/vfs_lookup.c:245 #7 domkdirat+0x75 sys/kern/vfs_syscalls.c:3086 #8 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #8 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #9 Xsyscall+0x128 Process 45112 (syz-executor.0) thread 0xffff8000ffff4000 (433242) exclusive rrwlock inode r = 0 (0xfffffd8068f5f3c8) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534 #4 ufs_ihashins+0x42 sys/ufs/ufs/ufs_ihash.c:140 #5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1347 #6 ffs_inode_alloc+0x1be sys/ufs/ffs/ffs_alloc.c:394 #7 ufs_mkdir+0xf4 sys/ufs/ufs/ufs_vnops.c:1162 #8 VOP_MKDIR+0xbf sys/kern/vfs_vops.c:404 #9 domkdirat+0x121 sys/kern/vfs_syscalls.c:3101 #10 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #10 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806a87fd58) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:579 #5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:413 #6 namei+0x36a sys/kern/vfs_lookup.c:245 #7 domkdirat+0x75 sys/kern/vfs_syscalls.c:3086 #8 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #8 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10182 6538K 6668K 78643K 11412 0 pcb 14 8K 8K 78643K 58 0 rtable 226 8K 9K 78643K 384 0 ifaddr 87 17K 18K 78643K 99 0 counters 56 35K 35K 78643K 56 0 ioctlops 0 0K 4K 78643K 1553 0 iov 0 0K 8K 78643K 4 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 5 0 vnodes 1276 80K 80K 78643K 1341 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 3 5K 5K 78643K 5 0 VM map 2 1K 1K 78643K 2 0 sem 4 0K 0K 78643K 10 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 14 49K 81K 78643K 416 0 sigio 0 0K 0K 78643K 2 0 proc 70 87K 111K 78643K 549 0 subproc 104 6K 6K 78643K 104 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 98 0 in_multi 99 6K 7K 78643K 119 0 ether_multi 1 0K 0K 78643K 5 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 43 201K 201K 78643K 43 0 exec 0 0K 2K 78643K 648 0 tdb 3 0K 0K 78643K 3 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 7 26K 26K 78643K 7 0 UVM amap 311 129K 129K 78643K 6941 0 UVM aobj 130 4K 4K 78643K 133 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 6 0 NDP 12 0K 1K 78643K 28 0 temp 98 4693K 4757K 78643K 4999 0 kqueue 13 20K 22K 78643K 41 0 SYN cache 2 16K 16K 78643K 2 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 22 0 0 1 0 1 1 0 8 0 rtpcb 120 36 0 33 1 0 1 1 0 8 0 rtentry 112 115 0 15 4 0 4 4 0 8 0 unpcb 136 95 0 80 1 0 1 1 0 8 0 syncache 296 5 0 5 2 2 0 1 0 8 0 tcpqe 32 2 0 2 1 1 0 1 0 8 0 tcpcb 736 157 0 146 7 3 4 5 0 8 3 arp 120 18 0 0 1 0 1 1 0 8 0 inpcb 304 302 0 291 5 3 2 4 0 8 1 nd6 48 24 0 0 1 0 1 1 0 8 0 kcovpl 48 8 0 0 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 pfrktable 1344 3 0 1 1 0 1 1 0 8 0 pftag 88 4 0 0 1 0 1 1 0 8 0 pfstitem 24 19 0 2 1 0 1 1 0 8 0 pfstkey 112 19 0 2 1 0 1 1 0 8 0 pfstate 320 19 0 2 2 0 2 2 0 8 0 pfrule 1360 62 0 54 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 508 0 65 29 0 29 29 0 8 1 art_table 32 509 0 65 4 0 4 4 0 8 0 art_node 16 114 0 24 1 0 1 1 0 8 0 semupl 112 3 0 3 1 0 1 1 0 8 1 semapl 112 5 0 3 1 0 1 1 0 8 0 shmpl 112 130 0 3 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1841 0 404 91 0 91 91 0 8 0 ffsino 272 1841 0 404 97 0 97 97 0 8 0 nchpl 144 2462 0 795 63 0 63 63 0 8 0 uvmvnodes 80 1999 0 0 41 0 41 41 0 8 0 vnodes 224 1999 0 0 118 0 118 118 0 8 0 namei 1024 9305 0 9303 2 1 1 2 0 8 0 percpumem 16 40 0 0 1 0 1 1 0 8 0 vcpupl 2048 3 0 0 1 0 1 1 0 8 0 vmpool 560 3 0 0 1 0 1 1 0 8 0 pfiaddrpl 120 3 0 0 1 0 1 1 0 8 0 scxspl 216 7581 0 7579 9 8 1 8 0 8 0 plimitpl 152 27 0 11 1 0 1 1 0 8 0 sigapl 424 725 0 676 6 0 6 6 0 8 0 futexpl 64 2662 0 2656 1 0 1 1 0 8 0 knotepl 120 102 0 0 4 0 4 4 0 8 0 kqueuepl 216 50 0 41 1 0 1 1 0 8 0 pipepl 336 207 0 179 8 5 3 8 0 8 0 fdescpl 496 704 0 677 5 1 4 5 0 8 0 filepl 152 3705 0 3458 18 5 13 15 0 8 3 lockfpl 104 195 0 193 2 1 1 2 0 8 0 lockfspl 48 32 0 30 1 0 1 1 0 8 0 sessionpl 144 24 0 7 1 0 1 1 0 8 0 pgrppl 48 27 0 10 1 0 1 1 0 8 0 ucredpl 96 189 0 177 1 0 1 1 0 8 0 zombiepl 144 677 0 676 1 0 1 1 0 8 0 processpl 1064 725 0 676 4 0 4 4 0 8 0 procpl 672 1249 0 1183 6 0 6 6 0 8 0 sosppl 168 1 0 0 1 0 1 1 0 8 0 sockpl 480 433 0 404 9 4 5 8 0 8 1 mcl64k 65536 8 0 0 1 0 1 1 0 8 0 mcl16k 16384 3 0 0 1 0 1 1 0 8 0 mcl12k 12288 6 0 0 1 0 1 1 0 8 0 mcl9k 9216 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 6 0 0 1 0 1 1 0 8 0 mcl4k 4096 9 0 0 2 0 2 2 0 8 0 mcl2k2 2112 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 166 0 0 20 0 20 20 0 8 0 mtagpl 96 78 0 0 2 0 2 2 0 8 0 mbufpl 256 296 0 0 18 0 18 18 0 8 0 bufpl 288 3990 0 147 275 0 275 275 0 8 0 anonpl 24 149414 0 131278 118 4 114 115 0 186 0 amapchunkpl 152 16090 0 15263 39 3 36 38 0 158 1 amappl16 200 1342 0 810 29 0 29 29 0 8 0 amappl15 192 191 0 182 1 0 1 1 0 8 0 amappl14 184 92 0 88 1 0 1 1 0 8 0 amappl13 176 82 0 81 1 0 1 1 0 8 0 amappl12 168 93 0 88 1 0 1 1 0 8 0 amappl11 160 90 0 73 1 0 1 1 0 8 0 amappl10 152 82 0 74 1 0 1 1 0 8 0 amappl9 144 512 0 505 1 0 1 1 0 8 0 amappl8 136 585 0 539 2 0 2 2 0 8 0 amappl7 128 122 0 110 1 0 1 1 0 8 0 amappl6 120 233 0 211 2 1 1 2 0 8 0 amappl5 112 462 0 445 1 0 1 1 0 8 0 amappl4 104 954 0 921 2 1 1 2 0 8 0 amappl3 96 281 0 269 1 0 1 1 0 8 0 amappl2 88 554 0 508 3 1 2 3 0 8 0 amappl1 80 15928 0 15360 19 5 14 19 0 8 0 amappl 88 6473 0 6233 7 0 7 7 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 72 132 0 3 3 0 3 3 0 8 0 uaddrrnd 24 707 0 677 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 707 0 677 1 0 1 1 0 8 0 vmmpekpl 168 10021 0 9976 3 0 3 3 0 8 0 vmmpepl 168 67923 0 65585 143 28 115 138 0 357 1 vmsppl 368 706 0 677 5 1 4 4 0 8 0 rwobjpl 56 19330 0 15695 52 0 52 52 0 8 0 pdppl 4096 1421 0 1357 116 44 72 77 0 8 8 pvpl 32 386836 0 364512 257 67 190 249 0 265 2 pmappl 248 706 0 677 4 1 3 3 0 8 0 extentpl 40 58 0 38 1 0 1 1 0 8 0 phpool 112 683 0 57 18 0 18 18 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffffffff82980ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __mp_lock(ffffffff829f08b0) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff829f08b0) at __mp_lock+0x122 sys/kern/kern_lock.c:147 intr_handler(ffff80002951dd90,ffff80000004ad00) at intr_handler+0x5e sys/arch/amd64/amd64/intr.c:532 Xintr_ioapic_edge21_untramp() at Xintr_ioapic_edge21_untramp+0x18f __mp_lock(ffffffff829f08b0) at __mp_lock+0x129 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff829f08b0) at __mp_lock+0x129 sys/kern/kern_lock.c:147 syscall(ffff80002951df60) at syscall+0x3ef mi_syscall sys/sys/syscall_mi.h:93 [inline] syscall(ffff80002951df60) at syscall+0x3ef sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5c172c9af0, count: 6 ddb{0}> trace x86_ipi_db(ffffffff82980ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __mp_lock(ffffffff829f08b0) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff829f08b0) at __mp_lock+0x122 sys/kern/kern_lock.c:147 intr_handler(ffff80002951dd90,ffff80000004ad00) at intr_handler+0x5e sys/arch/amd64/amd64/intr.c:532 Xintr_ioapic_edge21_untramp() at Xintr_ioapic_edge21_untramp+0x18f __mp_lock(ffffffff829f08b0) at __mp_lock+0x129 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff829f08b0) at __mp_lock+0x129 sys/kern/kern_lock.c:147 syscall(ffff80002951df60) at syscall+0x3ef mi_syscall sys/sys/syscall_mi.h:93 [inline] syscall(ffff80002951df60) at syscall+0x3ef sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5c172c9af0, count: -9 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x18: addq $0x8,%rsp db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 panic(ffffffff825759bd) at panic+0x177 sys/kern/subr_prf.c:202 __assert(ffffffff825eba50,ffffffff82570190,66b,ffffffff82558984) at __assert+0x25 sys/kern/subr_prf.c:161 uvm_fault_unwire_locked(fffffd8074c1f5e0,20000000,20010000) at uvm_fault_unwire_locked+0x2eb sys/uvm/uvm_fault.c:1640 uvm_fault_unwire(fffffd8074c1f5e0,20000000,20010000) at uvm_fault_unwire+0x3f sys/uvm/uvm_fault.c:1601 sys_sysctl(ffff800024c8efc8,ffff80002e3b6548,ffff80002e3b65a0) at sys_sysctl+0x229 sys/kern/kern_sysctl.c:254 syscall(ffff80002e3b6610) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002e3b6610) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x458b710d6a0, count: 7 ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 panic(ffffffff825759bd) at panic+0x177 sys/kern/subr_prf.c:202 __assert(ffffffff825eba50,ffffffff82570190,66b,ffffffff82558984) at __assert+0x25 sys/kern/subr_prf.c:161 uvm_fault_unwire_locked(fffffd8074c1f5e0,20000000,20010000) at uvm_fault_unwire_locked+0x2eb sys/uvm/uvm_fault.c:1640 uvm_fault_unwire(fffffd8074c1f5e0,20000000,20010000) at uvm_fault_unwire+0x3f sys/uvm/uvm_fault.c:1601 sys_sysctl(ffff800024c8efc8,ffff80002e3b6548,ffff80002e3b65a0) at sys_sysctl+0x229 sys/kern/kern_sysctl.c:254 syscall(ffff80002e3b6610) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002e3b6610) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x458b710d6a0, count: -8