panic: kernel diagnostic assertion "va >= entry->start" failed: file "/syzkaller/managers/setuid/kernel/sys/uvm/uvm_fault.c", line 1741 Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *318998 87497 32767 0x10 0x4000000 1 syz-executor 460020 98025 32767 0x10 0 0 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8343f12b) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833ebfed,ffffffff83429729,6cd,ffffffff8333be33) at __assert+0x29 uvm_fault_unwire_locked(fffffd806bf3a748,400000000000,400000003000) at uvm_fault_unwire_locked+0x4b4 uvm_fault_wire(fffffd806bf3a748,400000000000,400000011000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1704 [inline] uvm_fault_wire(fffffd806bf3a748,400000000000,400000011000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1686 sysctl_vslock(4000000001c0,ffb5) at sysctl_vslock+0x109 sys/kern/kern_sysctl.c:197 kern_sysctl_dirs(4e,ffff80003c519de8,1,4000000001c0,ffff80003c519e18,0,56f4bea30cbc762e,1) at kern_sysctl_dirs+0x266 sys/kern/kern_sysctl.c:428 kern_sysctl(ffff80003c519de4,2,4000000001c0,ffff80003c519e18,0,37,a215f21447252965) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 sys_sysctl(ffff8000354a6030,ffff80003c519f50,ffff80003c519ea0) at sys_sysctl+0x425 syscall(ffff80003c519f50) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c519f50) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xef63392e0, count: 4 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 1741 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8343f12b) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833ebfed,ffffffff83429729,6cd,ffffffff8333be33) at __assert+0x29 uvm_fault_unwire_locked(fffffd806bf3a748,400000000000,400000003000) at uvm_fault_unwire_locked+0x4b4 uvm_fault_wire(fffffd806bf3a748,400000000000,400000011000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1704 [inline] uvm_fault_wire(fffffd806bf3a748,400000000000,400000011000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1686 sysctl_vslock(4000000001c0,ffb5) at sysctl_vslock+0x109 sys/kern/kern_sysctl.c:197 kern_sysctl_dirs(4e,ffff80003c519de8,1,4000000001c0,ffff80003c519e18,0,56f4bea30cbc762e,1) at kern_sysctl_dirs+0x266 sys/kern/kern_sysctl.c:428 kern_sysctl(ffff80003c519de4,2,4000000001c0,ffff80003c519e18,0,37,a215f21447252965) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 sys_sysctl(ffff8000354a6030,ffff80003c519f50,ffff80003c519ea0) at sys_sysctl+0x425 syscall(ffff80003c519f50) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c519f50) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xef63392e0, count: -11 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80003c519950 rbx 0xffff800029a9cdc7 rdx 0 rcx 0xffff8000354a6030 rax 0xffff800029a9bff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xdc413874fdc5b911 r11 0x91e083bf9aed487d r12 0xffff800029a9cbc8 r13 0 r14 0 r15 0x1 rip 0xffffffff8328ec45 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c519940 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=318998 pid=87497 tcnt=4 stat=onproc flags process=10 proc=4000000 runpri=36, usrpri=50, slppri=36, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000354a67e0,0xffff8000354a7750 process=0xffff8000ffff0950 user=0xffff80003c515000, vmspace=0xfffffd806bf3a748 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 91131 478261 24938 32767 2 0x10 syz-executor 87497 437912 60704 32767 3 0x10 vmmaplk syz-executor 87497 200047 60704 32767 3 0x4000090 fsleep syz-executor *87497 318998 60704 32767 7 0x4000010 syz-executor 87497 197345 60704 32767 2 0x4000010 syz-executor 75490 99433 13576 32767 3 0x90 nanoslp syz-executor 75490 19647 13576 32767 3 0x4000090 kqread syz-executor 75490 477361 13576 32767 3 0x4000090 fsleep syz-executor 75490 286824 13576 32767 3 0x4000090 fsleep syz-executor 96627 258829 63696 32767 3 0x90 nanoslp syz-executor 96627 474026 63696 32767 3 0x4000090 kqread syz-executor 96627 299872 63696 32767 3 0x4000090 fsleep syz-executor 62598 208813 27191 32767 3 0x90 nanoslp syz-executor 62598 283535 27191 32767 3 0x4000090 kqpoll syz-executor 62598 105306 27191 32767 3 0x4000090 fsleep syz-executor 62598 114976 27191 32767 3 0x4000090 fsleep syz-executor 28739 457779 84066 32767 3 0x90 nanoslp syz-executor 28739 278425 84066 32767 3 0x4000090 msgwait syz-executor 28739 51095 84066 32767 3 0x4000090 fsleep syz-executor 28739 288858 84066 32767 3 0x4000090 fsleep syz-executor 98025 460020 86706 32767 7 0x10 syz-executor 98025 285341 86706 32767 3 0x4000090 ttyout syz-executor 98025 7438 86706 32767 3 0x4000090 fsleep syz-executor 58537 520277 0 0 3 0x14200 bored sosplice 27191 322372 77447 32767 3 0x90 nanoslp syz-executor 13576 273303 68697 32767 3 0x90 nanoslp syz-executor 84066 405767 341 32767 3 0x90 nanoslp syz-executor 63696 248761 14087 32767 3 0x90 nanoslp syz-executor 86706 130115 13066 32767 3 0x90 nanoslp syz-executor 60704 391887 32658 32767 3 0x90 nanoslp syz-executor 82266 292303 19303 32767 3 0x90 nanoslp syz-executor 24938 448266 4715 32767 3 0x90 nanoslp syz-executor 13066 224528 4688 0 3 0x82 wait syz-executor 19303 161324 4688 0 3 0x82 wait syz-executor 32658 244696 4688 0 3 0x82 wait syz-executor 341 418951 4688 0 3 0x82 wait syz-executor 77447 1016 4688 0 3 0x82 wait syz-executor 68697 203684 4688 0 3 0x82 wait syz-executor 4715 380189 4688 0 3 0x82 wait syz-executor 14087 493251 4688 0 3 0x82 wait syz-executor 4688 124166 47800 0 2 0x2 syz-executor 47800 174320 55912 0 3 0x10008a sigsusp ksh 55912 502695 65675 0 3 0x98 kqread sshd-session 65675 191599 34982 0 3 0x92 kqread sshd-session 53058 49552 1 0 3 0x100083 ttyin getty 34982 75606 1 0 3 0x88 kqread sshd 50218 417903 35751 73 3 0x1100090 kqread syslogd 35751 395496 1 0 3 0x100082 sbwait syslogd 41530 482171 1 0 3 0x100080 kqread resolvd 70886 259129 96915 77 3 0x100092 kqread dhcpleased 71584 275439 96915 77 3 0x100092 kqread dhcpleased 96915 27115 1 0 3 0x80 kqread dhcpleased 1914 385499 0 0 3 0x14200 bored smr 93349 109950 0 0 2 0x14200 zerothread 88295 64388 0 0 3 0x14200 aiodoned aiodoned 58147 244343 0 0 3 0x14200 syncer update 52167 510894 0 0 3 0x14200 cleaner cleaner 429 205125 0 0 3 0x14200 reaper reaper 37245 257257 0 0 3 0x14200 pgdaemon pagedaemon 51257 469125 0 0 3 0x14200 bored viomb 52619 323044 0 0 3 0x40014200 acpi0 acpi0 44629 353516 0 0 3 0x40014200 idle1 49702 141702 0 0 3 0x14200 bored softnet3 25082 380699 0 0 3 0x14200 bored softnet2 16805 61350 0 0 3 0x14200 bored softnet1 6204 12251 0 0 2 0x14200 softnet0 88903 84025 0 0 3 0x14200 bored systqmp 50240 463178 0 0 3 0x14200 bored systq 51585 192851 0 0 3 0x14200 tmoslp softclockmp 12364 319402 0 0 3 0x40014200 tmoslp softclock 22530 385791 0 0 3 0x40014200 idle0 1 2341 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks CPU 0: exclusive mutex &vioq->viq_rxmtx r = 0 (0xffff80000002c4a8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 mtx_enter_try+0x178 #2 mtx_enter+0x60 sys/kern/kern_lock.c:239 #3 vio_rx_intr+0x82 sys/dev/pv/if_vio.c:1567 #4 vio_queue_intr+0x59 sys/dev/pv/if_vio.c:909 #5 intr_handler+0x11d sys/arch/amd64/amd64/intr.c:557 #6 Xintr_ioapic_edge26_untramp+0x18f #7 __sanitizer_cov_trace_const_cmp4+0x3a sys/dev/kcov.c:231 #8 syscall+0x9e1 mi_syscall_return sys/sys/syscall_mi.h:203 [inline] #8 syscall+0x9e1 sys/arch/amd64/amd64/trap.c:598 #9 Xsyscall+0x128 Process 87497 (syz-executor) thread 0xffff8000354a6030 (318998) exclusive rwlock amaplk r = 0 (0xfffffd80675a4058) #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:1760 #4 uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1704 [inline] #4 uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1686 #5 sysctl_vslock+0x109 sys/kern/kern_sysctl.c:197 #6 kern_sysctl_dirs+0x266 sys/kern/kern_sysctl.c:428 #7 kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 #8 sys_sysctl+0x425 #9 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #9 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #10 Xsyscall+0x128 shared rwlock vmmaplk r = 0 (0xfffffd806bf3a848) #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_wire+0x116 uvm_fault_unwire sys/uvm/uvm_fault.c:1703 [inline] #2 uvm_fault_wire+0x116 sys/uvm/uvm_fault.c:1686 #3 sysctl_vslock+0x109 sys/kern/kern_sysctl.c:197 #4 kern_sysctl_dirs+0x266 sys/kern/kern_sysctl.c:428 #5 kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 #6 sys_sysctl+0x425 #7 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #7 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #8 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff838efe90) #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:1866 #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:1683 #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 (0xffffffff837f5af8) #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 10190 10954K 10966K 166960K 11269 0 pcb 17 12K 12K 166960K 17 0 rtable 244 6K 6K 166960K 355 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 2K 166960K 2 0 counters 64 36K 36K 166960K 64 0 ioctlops 0 0K 2K 166960K 30 0 iov 0 0K 4K 166960K 5 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1333 84K 84K 166960K 1419 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 8 0 VM map 2 1K 1K 166960K 2 0 sem 11 1K 1K 166960K 11 0 dirhash 12 2K 2K 166960K 18 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 26 97K 125K 166960K 250 0 sigio 0 0K 0K 166960K 3 0 proc 61 91K 115K 166960K 504 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 2 0K 0K 166960K 22 0 in_multi 101 7K 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 85 387K 387K 166960K 85 0 exec 0 0K 1K 166960K 385 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 264 74K 82K 166960K 3626 0 UVM aobj 9 2K 2K 166960K 9 0 pinsyscall 47 94K 110K 166960K 1252 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 5 0 NDP 11 0K 2K 166960K 27 0 temp 43 8680K 8744K 166960K 4121 0 kqueue 16 26K 26K 166960K 41 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 35 0 32 1 0 1 1 0 8 0 rtentry 160 116 0 1 5 0 5 5 0 8 0 unpcb 144 205 0 190 4 0 4 4 0 8 3 syncache 336 5 0 5 1 0 1 1 0 8 1 tcpcb 808 147 0 140 8 0 8 8 0 8 7 arp 120 19 0 0 1 0 1 1 0 8 0 ipq 40 1 0 1 1 0 1 1 0 8 1 ipqe 40 44 0 44 1 0 1 1 0 8 1 inpcb 376 250 0 236 8 0 8 8 0 8 6 nd6 136 28 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 256 464 0 0 29 0 29 29 0 8 0 art_table 32 465 0 0 4 0 4 4 0 8 0 art_node 16 115 0 10 1 0 1 1 0 8 0 sysvmsgpl 40 62 0 23 1 0 1 1 0 8 0 semapl 112 9 0 0 1 0 1 1 0 8 0 shmpl 112 6 0 0 1 0 1 1 0 8 0 dirhash 1024 21 0 4 3 0 3 3 0 8 0 dino2pl 256 1760 0 254 95 0 95 95 0 8 0 ffsino 280 1760 0 254 108 0 108 108 0 8 0 nchpl 144 2096 0 420 63 0 63 63 0 8 0 uvmvnodes 80 1841 0 0 38 0 38 38 0 8 0 vnodes 216 1841 0 0 103 0 103 103 0 8 0 namei 1024 6494 0 6494 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 6620 0 6620 3 2 1 2 1 8 1 plimitpl 152 49 0 23 2 0 2 2 0 8 1 sigapl 424 523 0 466 8 0 8 8 0 8 0 futexpl 64 1712 0 1703 1 0 1 1 0 8 0 knotepl 120 302 0 0 10 0 10 10 0 8 0 kqueuepl 216 57 0 44 1 0 1 1 0 8 0 pipepl 328 121 0 94 4 0 4 4 0 8 1 fdescpl 504 504 0 466 7 1 6 6 0 8 0 filepl 152 2359 0 2072 12 0 12 12 0 8 0 lockfpl 104 33 0 30 1 0 1 1 0 8 0 lockfspl 48 18 0 15 1 0 1 1 0 8 0 sessionpl 144 23 0 7 1 0 1 1 0 8 0 pgrppl 48 32 0 8 1 0 1 1 0 8 0 ucredpl 104 378 0 359 1 0 1 1 0 8 0 zombiepl 144 467 0 466 1 0 1 1 0 8 0 processpl 1176 523 0 466 5 0 5 5 0 8 0 procpl 656 716 0 643 7 0 7 7 0 8 0 sosppl 168 2 0 2 1 0 1 1 0 8 1 sockpl 688 490 0 459 12 0 12 12 0 8 8 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 113 0 0 15 0 15 15 0 8 0 mcl2k 2048 14 0 0 2 0 2 2 0 8 0 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 279 0 0 18 0 18 18 0 8 0 bufpl 280 2488 0 124 169 0 169 169 0 8 0 anonpl 24 103730 0 100362 47 1 46 47 0 184 20 amapchunkpl 152 11316 0 10691 33 0 33 33 0 158 8 amappl16 200 1776 0 1753 5 1 4 5 0 8 1 amappl15 192 1 0 1 1 1 0 1 0 8 0 amappl14 184 107 0 97 1 0 1 1 0 8 0 amappl13 176 10 0 9 1 0 1 1 0 8 0 amappl12 168 1097 0 1060 2 0 2 2 0 8 0 amappl11 160 44 0 34 1 0 1 1 0 8 0 amappl10 152 4 0 4 1 1 0 1 0 8 0 amappl9 144 247 0 247 1 1 0 1 0 8 0 amappl8 136 44 0 43 1 0 1 1 0 8 0 amappl7 128 92 0 82 1 0 1 1 0 8 0 amappl6 120 174 0 171 1 0 1 1 0 8 0 amappl5 112 126 0 120 1 0 1 1 0 8 0 amappl4 104 293 0 278 1 0 1 1 0 8 0 amappl3 96 1920 0 1777 4 0 4 4 0 8 0 amappl2 88 681 0 627 2 0 2 2 0 8 0 amappl1 80 8167 0 7617 14 0 14 14 0 8 0 amappl 88 3277 0 3063 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 8 0 0 1 0 1 1 0 8 0 uaddrrnd 24 504 0 466 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 504 0 466 1 0 1 1 0 8 0 vmmpekpl 168 5787 0 5757 2 0 2 2 0 8 0 vmmpepl 168 37621 0 35559 96 0 96 96 0 357 0 vmsppl 456 503 0 466 7 1 6 6 0 8 1 rwobjpl 64 15162 0 12438 46 0 46 46 0 8 0 pdppl 4096 1016 0 932 108 22 86 98 0 8 2 pvpl 32 17027 0 0 140 2 138 138 0 265 0 pmappl 248 503 0 466 4 1 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 294 0 25 9 0 9 9 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83889ff0) 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(ffffffff838efc88) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff838efc88) 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(ffffffff838efc88) at __mp_lock+0x19e __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff838efc88) at __mp_lock+0x19e sys/kern/kern_lock.c:144 uvm_fault(fffffd806bf3a028,95f0b3ed000,0,1) at uvm_fault+0x1ee sys/uvm/uvm_fault.c:691 upageflttrap(ffff80003c5327d0,95f0b3ed000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80003c5327d0) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x75b197942ac0, count: 4 ddb{0}> trace x86_ipi_db(ffffffff83889ff0) 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(ffffffff838efc88) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff838efc88) 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(ffffffff838efc88) at __mp_lock+0x19e __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff838efc88) at __mp_lock+0x19e sys/kern/kern_lock.c:144 uvm_fault(fffffd806bf3a028,95f0b3ed000,0,1) at uvm_fault+0x1ee sys/uvm/uvm_fault.c:691 upageflttrap(ffff80003c5327d0,95f0b3ed000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80003c5327d0) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x75b197942ac0, 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:438 panic(ffffffff8343f12b) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833ebfed,ffffffff83429729,6cd,ffffffff8333be33) at __assert+0x29 uvm_fault_unwire_locked(fffffd806bf3a748,400000000000,400000003000) at uvm_fault_unwire_locked+0x4b4 uvm_fault_wire(fffffd806bf3a748,400000000000,400000011000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1704 [inline] uvm_fault_wire(fffffd806bf3a748,400000000000,400000011000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1686 sysctl_vslock(4000000001c0,ffb5) at sysctl_vslock+0x109 sys/kern/kern_sysctl.c:197 kern_sysctl_dirs(4e,ffff80003c519de8,1,4000000001c0,ffff80003c519e18,0,56f4bea30cbc762e,1) at kern_sysctl_dirs+0x266 sys/kern/kern_sysctl.c:428 kern_sysctl(ffff80003c519de4,2,4000000001c0,ffff80003c519e18,0,37,a215f21447252965) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 sys_sysctl(ffff8000354a6030,ffff80003c519f50,ffff80003c519ea0) at sys_sysctl+0x425 syscall(ffff80003c519f50) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c519f50) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xef63392e0, count: 4 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8343f12b) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833ebfed,ffffffff83429729,6cd,ffffffff8333be33) at __assert+0x29 uvm_fault_unwire_locked(fffffd806bf3a748,400000000000,400000003000) at uvm_fault_unwire_locked+0x4b4 uvm_fault_wire(fffffd806bf3a748,400000000000,400000011000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1704 [inline] uvm_fault_wire(fffffd806bf3a748,400000000000,400000011000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1686 sysctl_vslock(4000000001c0,ffb5) at sysctl_vslock+0x109 sys/kern/kern_sysctl.c:197 kern_sysctl_dirs(4e,ffff80003c519de8,1,4000000001c0,ffff80003c519e18,0,56f4bea30cbc762e,1) at kern_sysctl_dirs+0x266 sys/kern/kern_sysctl.c:428 kern_sysctl(ffff80003c519de4,2,4000000001c0,ffff80003c519e18,0,37,a215f21447252965) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 sys_sysctl(ffff8000354a6030,ffff80003c519f50,ffff80003c519ea0) at sys_sysctl+0x425 syscall(ffff80003c519f50) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c519f50) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xef63392e0, count: -11