panic: kernel diagnostic assertion "va >= entry->start" failed: file "/syzkaller/managers/setuid/kernel/sys/uvm/uvm_fault.c", line 1694 Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 231981 44468 32767 0x10 0 1 syz-executor *460796 41841 32767 0x10 0x4000000 0K syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830f1068) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff830a877c,ffffffff830dff45,69e,ffffffff8300c661) at __assert+0x29 uvm_fault_unwire_locked(fffffd806a96c3a0,20000000,20011000) at uvm_fault_unwire_locked+0x4b4 uvm_fault_unwire(fffffd806a96c3a0,20000000,20011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1657 sysctl_vsunlock(200000c0,fff9) at sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:209 net_sysctl(ffff80002db6c454,3,200000c0,ffff80002db6c488,0,0,59e9915017325225) at net_sysctl+0x69a sys/kern/uipc_domain.c:251 sys_sysctl(ffff80003399d6e8,ffff80002db6c5c0,ffff80002db6c510) at sys_sysctl+0x425 syscall(ffff80002db6c5c0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff80002db6c5c0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xdb44125dc90, 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/setuid/kernel/sys/uvm/uvm_fault.c", line 1694 ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830f1068) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff830a877c,ffffffff830dff45,69e,ffffffff8300c661) at __assert+0x29 uvm_fault_unwire_locked(fffffd806a96c3a0,20000000,20011000) at uvm_fault_unwire_locked+0x4b4 uvm_fault_unwire(fffffd806a96c3a0,20000000,20011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1657 sysctl_vsunlock(200000c0,fff9) at sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:209 net_sysctl(ffff80002db6c454,3,200000c0,ffff80002db6c488,0,0,59e9915017325225) at net_sysctl+0x69a sys/kern/uipc_domain.c:251 sys_sysctl(ffff80003399d6e8,ffff80002db6c5c0,ffff80002db6c510) at sys_sysctl+0x425 syscall(ffff80002db6c5c0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff80002db6c5c0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xdb44125dc90, count: -10 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80002db6c1b0 rbx 0xffffffff834fadbf cpu_info_full_primary+0x2dbf rdx 0 rcx 0xffff80003399d6e8 rax 0xffffffff834f9ff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x77dfce74bbfa95ba r11 0x4effd28087a9ebfb r12 0xffffffff834fabc0 cpu_info_full_primary+0x2bc0 r13 0 r14 0 r15 0x1 rip 0xffffffff81f03bc5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002db6c1a0 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=460796 pid=41841 tcnt=4 stat=onproc flags process=10 proc=4000000 runpri=32, usrpri=51, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003399d460,0xffff80003399ca50 process=0xffff8000365cb1f8 user=0xffff80002db67000, vmspace=0xfffffd806a96c3a0 estcpu=1, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 78800 422762 35028 32767 2 0x10 syz-executor 11693 19698 32936 32767 2 0x10 syz-executor 80763 201040 7225 32767 2 0x10 syz-executor 5175 20477 22657 32767 2 0x10 syz-executor 5175 363218 22657 32767 2 0x4000010 syz-executor 44468 231981 29592 32767 7 0x10 syz-executor 44468 279327 29592 32767 3 0x4000090 fsleep syz-executor 41841 415126 41383 32767 2 0x10 syz-executor *41841 460796 41383 32767 7 0x4000010 syz-executor 41841 80620 41383 32767 3 0x4000090 fsleep syz-executor 41841 445478 41383 32767 3 0x4000090 fsleep syz-executor 14257 485059 94606 0 2 0x2 syz-executor 6025 216914 34742 0 3 0x82 netio sshd-session 5329 194425 0 0 3 0x14200 bored sosplice 30069 394046 40188 32767 2 0x10 syz-executor 29592 62689 17772 32767 2 0x490 syz-executor 35028 468798 67744 32767 2 0x490 syz-executor 32936 449300 81363 32767 2 0x490 syz-executor 41383 63605 85545 32767 3 0x90 nanoslp syz-executor 7225 39999 70614 32767 2 0x490 syz-executor 22657 301338 45317 32767 3 0x90 nanoslp syz-executor 40188 45284 94606 0 3 0x82 wait syz-executor 17772 474628 94606 0 3 0x82 wait syz-executor 67744 63491 94606 0 3 0x82 wait syz-executor 85545 409145 94606 0 3 0x82 wait syz-executor 70614 439850 94606 0 3 0x82 wait syz-executor 81363 422761 94606 0 3 0x82 wait syz-executor 45317 136908 94606 0 3 0x82 wait syz-executor 94606 271389 93159 0 3 0x82 kqread syz-executor 93159 161704 17712 0 3 0x10008a sigsusp ksh 17712 50972 2395 0 3 0x98 kqread sshd-session 2395 518 34742 0 3 0x92 kqread sshd-session 54775 136015 1 0 3 0x100083 ttyin getty 34742 337833 1 0 3 0x88 kqread sshd 19891 211921 1797 73 3 0x1100090 kqread syslogd 1797 340733 1 0 3 0x100082 sbwait syslogd 63488 232594 1 0 3 0x100080 kqread resolvd 54047 466751 99658 77 3 0x100092 kqread dhcpleased 18290 107667 99658 77 3 0x100092 kqread dhcpleased 99658 270657 1 0 3 0x80 kqread dhcpleased 32475 160795 0 0 3 0x14200 bored smr 89129 478208 0 0 2 0x14200 zerothread 72206 13051 0 0 3 0x14200 aiodoned aiodoned 57126 454241 0 0 3 0x14200 syncer update 23737 233404 0 0 3 0x14200 cleaner cleaner 27383 338260 0 0 3 0x14200 reaper reaper 65562 446433 0 0 3 0x14200 pgdaemon pagedaemon 58877 358737 0 0 3 0x14200 bored viomb 14515 363195 0 0 3 0x40014200 acpi0 acpi0 36311 409899 0 0 3 0x40014200 idle1 85271 428952 0 0 3 0x14200 bored softnet3 29189 188330 0 0 3 0x14200 bored softnet2 3861 379401 0 0 3 0x14200 bored softnet1 68063 468810 0 0 3 0x14200 bored softnet0 2429 344888 0 0 3 0x14200 bored systqmp 50784 173877 0 0 3 0x14200 bored systq 63752 299968 0 0 3 0x14200 tmoslp softclockmp 88605 169348 0 0 2 0x40014200 softclock 9229 116224 0 0 3 0x40014200 idle0 1 199953 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 5175 (syz-executor) thread 0xffff8000371eb1e0 (363218) exclusive rrwlock inode r = 0 (0xfffffd806343a0a0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:169 #5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1230 #6 ffs_inode_alloc+0x283 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_makeinode+0xcb sys/ufs/ufs/ufs_vnops.c:1732 #8 ufs_create+0x4e sys/ufs/ufs/ufs_vnops.c:147 #9 VOP_CREATE+0xff sys/kern/vfs_vops.c:103 #10 vn_open+0x491 sys/kern/vfs_vnops.c:116 #11 doopenat+0x31d sys/kern/vfs_syscalls.c:1123 #12 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:178 [inline] #12 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #13 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8062c413d8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 #6 namei+0x7aa sys/kern/vfs_lookup.c:250 #7 vn_open+0x1f4 sys/kern/vfs_vnops.c:107 #8 doopenat+0x31d sys/kern/vfs_syscalls.c:1123 #9 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:178 [inline] #9 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #10 Xsyscall+0x128 Process 44468 (syz-executor) thread 0xffff80003399ca40 (231981) shared rwlock vmmaplk r = 0 (0xfffffd806a96c2d8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1819 #2 uvm_fault_check+0x49 sys/uvm/uvm_fault.c:672 #3 uvm_fault+0xf5 sys/uvm/uvm_fault.c:600 #4 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 #5 usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 #6 recall_trap+0x8 Process 41841 (syz-executor) thread 0xffff80003399d6e8 (460796) exclusive rwlock amaplk r = 0 (0xfffffd8062b00408) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 uvm_map_lock_entry+0x4c sys/uvm/uvm_map.c:464 #2 uvm_fault_unwire_locked+0x253 sys/uvm/uvm_fault.c:1713 #3 uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1657 #4 sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:209 #5 net_sysctl+0x69a sys/kern/uipc_domain.c:251 #6 sys_sysctl+0x425 #7 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #7 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #8 Xsyscall+0x128 shared rwlock vmmaplk r = 0 (0xfffffd806a96c498) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 uvm_fault_unwire+0x3e sys/uvm/uvm_fault.c:1656 #2 sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:209 #3 net_sysctl+0x69a sys/kern/uipc_domain.c:251 #4 sys_sysctl+0x425 #5 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #5 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #6 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83518ec0) #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+0x2f2 sys/kern/kern_synch.c:425 #4 rw_enter+0x348 sys/kern/kern_rwlock.c:285 #5 uvm_fault_check+0x525 sys/uvm/uvm_fault.c:784 #6 uvm_fault+0xf5 sys/uvm/uvm_fault.c:600 #7 uvm_fault_wire+0x73 sys/uvm/uvm_fault.c:1636 #8 sysctl_vslock+0x109 sys/kern/kern_sysctl.c:191 #9 net_sysctl+0x5a1 sys/kern/uipc_domain.c:245 #10 sys_sysctl+0x425 #11 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #11 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #12 Xsyscall+0x128 exclusive rwlock sysctllk r = 0 (0xffffffff834f3a90) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 sysctl_vslock+0x45 sys/kern/kern_sysctl.c:181 #3 net_sysctl+0x5a1 sys/kern/uipc_domain.c:245 #4 sys_sysctl+0x425 #5 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #5 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #6 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10181 11045K 11059K 166960K 11262 0 pcb 17 12K 12K 166960K 17 0 rtable 216 6K 7K 166960K 389 0 pf 29 16K 16K 166960K 31 0 ifaddr 38 6K 7K 166960K 44 0 ifgroup 46 2K 2K 166960K 50 0 counters 62 36K 36K 166960K 64 0 ioctlops 0 0K 2K 166960K 35 0 iov 0 0K 16K 166960K 50 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1364 86K 86K 166960K 1564 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 12 0 VM map 2 1K 1K 166960K 2 0 sem 10 0K 0K 166960K 12 0 dirhash 12 2K 2K 166960K 24 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 23 85K 121K 166960K 411 0 sigio 0 0K 0K 166960K 4 0 proc 58 79K 115K 166960K 510 0 subproc 104 6K 6K 166960K 273 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 32 0 in_multi 88 6K 7K 166960K 108 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 73 334K 334K 166960K 73 0 exec 0 0K 1K 166960K 434 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 239 66K 78K 166960K 4992 0 UVM aobj 16 3K 3K 166960K 16 0 pinsyscall 46 92K 112K 166960K 1414 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 25 0 NDP 10 0K 2K 166960K 27 0 temp 48 6821K 6885K 166960K 6279 0 kqueue 13 20K 30K 166960K 59 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 82 0 79 2 0 2 2 0 8 1 rtentry 112 113 0 12 4 0 4 4 0 8 0 unpcb 144 277 0 262 4 2 2 4 0 8 1 syncache 336 9 0 9 1 0 1 1 0 8 1 tcpqe 32 1 0 1 1 0 1 1 0 8 1 tcpcb 808 241 0 233 8 0 8 8 0 8 7 arp 120 18 0 2 1 0 1 1 0 8 0 ipq 40 3 0 1 1 0 1 1 0 8 0 ipqe 40 6 0 2 1 0 1 1 0 8 0 inpcb 336 466 0 455 12 3 9 12 0 8 7 nd6 136 26 0 3 1 0 1 1 0 8 0 kcovpl 48 21 0 13 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 465 0 44 30 1 29 30 0 8 1 art_table 32 466 0 44 4 0 4 4 0 8 0 art_node 16 112 0 20 1 0 1 1 0 8 0 sysvmsgpl 40 5 0 1 1 0 1 1 0 8 0 semupl 112 2 0 2 1 0 1 1 0 8 1 semapl 112 10 0 2 1 0 1 1 0 8 0 shmpl 112 13 0 0 1 0 1 1 0 8 0 dirhash 1024 25 0 8 3 0 3 3 0 8 0 dino2pl 256 1872 0 350 96 0 96 96 0 8 0 ffsino 272 1872 0 350 102 0 102 102 0 8 0 nchpl 144 2346 0 658 63 0 63 63 0 8 0 uvmvnodes 80 2154 0 0 44 0 44 44 0 8 0 vnodes 216 2154 0 0 120 0 120 120 0 8 0 namei 1024 7548 0 7547 2 1 1 2 0 8 0 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 7101 0 7101 3 2 1 2 1 8 1 plimitpl 152 88 0 64 2 0 2 2 0 8 1 sigapl 424 660 0 604 8 0 8 8 0 8 0 futexpl 64 3114 0 3111 1 0 1 1 0 8 0 knotepl 120 328 0 0 10 0 10 10 0 8 0 kqueuepl 216 79 0 70 1 0 1 1 0 8 0 pipepl 320 166 0 138 3 0 3 3 0 8 0 fdescpl 496 641 0 605 7 1 6 6 0 8 1 filepl 152 3204 0 2959 16 1 15 16 0 8 5 lockfpl 104 62 0 58 1 0 1 1 0 8 0 lockfspl 48 26 0 22 1 0 1 1 0 8 0 sessionpl 144 38 0 21 1 0 1 1 0 8 0 pgrppl 48 61 0 36 1 0 1 1 0 8 0 ucredpl 104 300 0 282 1 0 1 1 0 8 0 zombiepl 144 605 0 604 1 0 1 1 0 8 0 processpl 1160 660 0 604 5 0 5 5 0 8 0 procpl 648 1040 0 979 7 1 6 7 0 8 0 sockpl 664 831 0 802 16 4 12 14 0 8 8 mcl64k 65536 1 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 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 131 0 0 17 0 17 17 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 17 0 0 3 0 3 3 0 8 0 mtagpl 96 4 0 0 1 0 1 1 0 8 0 mbufpl 256 364 0 0 23 0 23 23 0 8 0 bufpl 280 2611 0 94 180 0 180 180 0 8 0 anonpl 24 190135 0 185997 53 3 50 53 0 185 18 amapchunkpl 152 16748 0 16207 31 2 29 31 0 158 6 amappl16 200 5340 0 5325 15 6 9 15 0 8 6 amappl15 192 10 0 10 1 1 0 1 0 8 0 amappl14 184 112 0 101 1 0 1 1 0 8 0 amappl13 176 8 0 8 1 1 0 1 0 8 0 amappl12 168 1239 0 1204 2 0 2 2 0 8 0 amappl11 160 52 0 42 1 0 1 1 0 8 0 amappl10 152 13 0 13 1 1 0 1 0 8 0 amappl9 144 176 0 176 1 1 0 1 0 8 0 amappl8 136 23 0 21 1 0 1 1 0 8 0 amappl7 128 98 0 87 1 0 1 1 0 8 0 amappl6 120 166 0 165 1 0 1 1 0 8 0 amappl5 112 130 0 121 1 0 1 1 0 8 0 amappl4 104 294 0 276 1 0 1 1 0 8 0 amappl3 96 2883 0 2793 4 0 4 4 0 8 0 amappl2 88 940 0 852 3 0 3 3 0 8 0 amappl1 80 8943 0 8344 14 0 14 14 0 8 0 amappl 88 4605 0 4426 6 0 6 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 15 0 0 1 0 1 1 0 8 0 uaddrrnd 24 641 0 605 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 641 0 605 1 0 1 1 0 8 0 vmmpekpl 168 7217 0 7175 3 0 3 3 0 8 0 vmmpepl 168 49520 0 47524 100 2 98 100 0 357 6 vmsppl 448 640 0 605 5 0 5 5 0 8 0 rwobjpl 56 20997 0 17919 44 0 44 44 0 8 0 pdppl 4096 1289 0 1210 117 36 81 95 0 8 2 pvpl 32 15162 0 0 126 3 123 123 0 265 0 pmappl 248 640 0 605 4 1 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 426 0 43 12 0 12 12 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:437 panic(ffffffff830f1068) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff830a877c,ffffffff830dff45,69e,ffffffff8300c661) at __assert+0x29 uvm_fault_unwire_locked(fffffd806a96c3a0,20000000,20011000) at uvm_fault_unwire_locked+0x4b4 uvm_fault_unwire(fffffd806a96c3a0,20000000,20011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1657 sysctl_vsunlock(200000c0,fff9) at sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:209 net_sysctl(ffff80002db6c454,3,200000c0,ffff80002db6c488,0,0,59e9915017325225) at net_sysctl+0x69a sys/kern/uipc_domain.c:251 sys_sysctl(ffff80003399d6e8,ffff80002db6c5c0,ffff80002db6c510) at sys_sysctl+0x425 syscall(ffff80002db6c5c0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff80002db6c5c0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xdb44125dc90, count: -10 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff800029b7bff0) 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(ffffffff83518cb8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83518cb8) at __mp_lock+0x192 sys/kern/kern_lock.c:144 uvm_fault(fffffd806a96c1e0,998c2f71000,0,1) at uvm_fault+0x1e0 sys/uvm/uvm_fault.c:622 upageflttrap(ffff80002a10c530,998c2f71000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80002a10c530) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7f3d7c241ed0, count: 7 ddb{1}> trace x86_ipi_db(ffff800029b7bff0) 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(ffffffff83518cb8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83518cb8) at __mp_lock+0x192 sys/kern/kern_lock.c:144 uvm_fault(fffffd806a96c1e0,998c2f71000,0,1) at uvm_fault+0x1e0 sys/uvm/uvm_fault.c:622 upageflttrap(ffff80002a10c530,998c2f71000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80002a10c530) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7f3d7c241ed0, count: -8