panic: kernel diagnostic assertion "va >= entry->start" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_fault.c", line 1741 Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *129853 73515 0 0 0x4000000 1K syz-executor 100755 50997 0 0 0 0 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8343d305) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833eabe6,ffffffff8338360a,6cd,ffffffff8333eb26) at __assert+0x29 uvm_fault_unwire_locked(fffffd8060f673b8,400000000000,400000011000) at uvm_fault_unwire_locked+0x4b4 uvm_fault_unwire(fffffd8060f673b8,400000000000,400000011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1704 kern_sysctl_dirs(49,ffff80003a0ce668,4,400000000100,ffff80003a0ce698,0,89d6de88701436ca,4) at kern_sysctl_dirs+0x363 sysctl_vsunlock sys/kern/kern_sysctl.c:215 [inline] kern_sysctl_dirs(49,ffff80003a0ce668,4,400000000100,ffff80003a0ce698,0,89d6de88701436ca,4) at kern_sysctl_dirs+0x363 sys/kern/kern_sysctl.c:432 kern_sysctl(ffff80003a0ce664,5,400000000100,ffff80003a0ce698,0,37,de628c6715eab94e) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 sys_sysctl(ffff80002a3099a8,ffff80003a0ce7d0,ffff80003a0ce720) at sys_sysctl+0x425 syscall(ffff80003a0ce7d0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003a0ce7d0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6f8a6834570, 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/multicore/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(ffffffff8343d305) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833eabe6,ffffffff8338360a,6cd,ffffffff8333eb26) at __assert+0x29 uvm_fault_unwire_locked(fffffd8060f673b8,400000000000,400000011000) at uvm_fault_unwire_locked+0x4b4 uvm_fault_unwire(fffffd8060f673b8,400000000000,400000011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1704 kern_sysctl_dirs(49,ffff80003a0ce668,4,400000000100,ffff80003a0ce698,0,89d6de88701436ca,4) at kern_sysctl_dirs+0x363 sysctl_vsunlock sys/kern/kern_sysctl.c:215 [inline] kern_sysctl_dirs(49,ffff80003a0ce668,4,400000000100,ffff80003a0ce698,0,89d6de88701436ca,4) at kern_sysctl_dirs+0x363 sys/kern/kern_sysctl.c:432 kern_sysctl(ffff80003a0ce664,5,400000000100,ffff80003a0ce698,0,37,de628c6715eab94e) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 sys_sysctl(ffff80002a3099a8,ffff80003a0ce7d0,ffff80003a0ce720) at sys_sysctl+0x425 syscall(ffff80003a0ce7d0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003a0ce7d0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6f8a6834570, count: -10 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80003a0ce240 rbx 0xffff800029aacdc7 rdx 0 rcx 0xffff80002a3099a8 rax 0xffff800029aabff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x6bc126fe0f781678 r11 0x435dd21a957ad6c7 r12 0xffff800029aacbc8 r13 0 r14 0 r15 0x1 rip 0xffffffff813417e5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003a0ce230 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=129853 pid=73515 tcnt=3 stat=onproc flags process=0 proc=4000000 runpri=36, usrpri=81, slppri=36, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a3091f8,0xffff80002a309728 process=0xffff8000ffff0950 user=0xffff80003a0c9000, vmspace=0xfffffd8060f673b8 estcpu=31, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 67114 307961 81417 0 2 0 syz-executor 67114 424787 81417 0 3 0x4000080 fsleep syz-executor 73515 266177 62 0 2 0 syz-executor 73515 268966 62 0 2 0x4000000 syz-executor *73515 129853 62 0 7 0x4000000 syz-executor 50997 100755 86638 0 7 0 syz-executor 50997 171457 86638 0 3 0x4000000 biowait syz-executor 30632 195623 53033 0 2 0 syz-executor 30632 43446 53033 0 3 0x4000080 fsleep syz-executor 46044 415941 29062 0 2 0 syz-executor 46044 328233 29062 0 3 0x4000080 fsleep syz-executor 87571 388881 12529 0 2 0 syz-executor 87571 358253 12529 0 2 0x4000000 syz-executor 8460 263641 91860 0 2 0 syz-executor 8460 495206 91860 0 2 0x4000000 syz-executor 56982 51306 1 0 3 0x100083 ttyin getty 121 428789 0 0 3 0x14200 bored sosplice 12529 187440 65842 0 3 0x82 nanoslp syz-executor 86638 325222 65842 0 3 0x82 nanoslp syz-executor 53033 169017 65842 0 3 0x82 nanoslp syz-executor 81417 485350 65842 0 3 0x82 nanoslp syz-executor 29062 152547 65842 0 3 0x82 nanoslp syz-executor 62 290538 65842 0 3 0x82 nanoslp syz-executor 74070 282379 65842 0 2 0x2 syz-executor 91860 204639 65842 0 3 0x82 nanoslp syz-executor 65842 3122 77790 0 3 0x82 kqread syz-executor 77790 144966 51534 0 3 0x10008a sigsusp ksh 51534 241222 22353 0 3 0x98 kqread sshd-session 22353 491880 43844 0 3 0x92 kqread sshd-session 43844 190399 1 0 3 0x88 kqread sshd 7044 133006 17872 74 3 0x1100092 bpf pflogd 17872 506334 1 0 3 0x80 sbwait pflogd 1559 146843 9533 73 3 0x1100090 kqread syslogd 9533 413130 1 0 3 0x100082 sbwait syslogd 40808 485887 1 0 3 0x100080 kqread resolvd 18870 74493 31480 77 3 0x100092 kqread dhcpleased 82505 67585 31480 77 3 0x100092 kqread dhcpleased 31480 320158 1 0 3 0x80 kqread dhcpleased 19680 512203 0 0 3 0x14200 bored smr 39548 99626 0 0 2 0x14200 zerothread 23824 370824 0 0 3 0x14200 aiodoned aiodoned 70006 235896 0 0 3 0x14200 syncer update 72901 224260 0 0 3 0x14200 cleaner cleaner 84252 62309 0 0 3 0x14200 reaper reaper 84874 373561 0 0 3 0x14200 pgdaemon pagedaemon 6422 514364 0 0 3 0x14200 bored viomb 51653 302693 0 0 3 0x40014200 acpi0 acpi0 16291 41071 0 0 3 0x40014200 idle1 1811 288929 0 0 3 0x14200 bored softnet3 7698 223056 0 0 3 0x14200 bored softnet2 64793 368020 0 0 3 0x14200 bored softnet1 86502 371418 0 0 3 0x14200 bored softnet0 15660 439197 0 0 3 0x14200 bored systqmp 4091 464254 0 0 3 0x14200 bored systq 14483 18402 0 0 3 0x14200 tmoslp softclockmp 75774 200241 0 0 3 0x40014200 tmoslp softclock 10854 334307 0 0 3 0x40014200 idle0 1 408436 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks Process 73515 (syz-executor) thread 0xffff80002a3099a8 (129853) exclusive rwlock amaplk r = 0 (0xfffffd805ee05a58) #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_unwire+0x55 sys/uvm/uvm_fault.c:1704 #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 (0xfffffd8060f674b8) #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:1703 #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 (0xffffffff838aa530) #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 uvm_fault_unwire+0x3e sys/uvm/uvm_fault.c:1703 #6 kern_sysctl_dirs+0x363 sysctl_vsunlock sys/kern/kern_sysctl.c:215 [inline] #6 kern_sysctl_dirs+0x363 sys/kern/kern_sysctl.c:432 #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 exclusive rwlock sysctllk r = 0 (0xffffffff8387e3c8) #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 Process 50997 (syz-executor) thread 0xffff80002a37d4a0 (171457) exclusive rrwlock inode r = 0 (0xfffffd806dfcf400) #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 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vn_write+0x190 sys/kern/vfs_vnops.c:405 #6 dofilewritev+0x23c sys/kern/sys_generic.c:380 #7 sys_write+0xa2 sys/kern/sys_generic.c:300 #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 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10196 11022K 11352K 166960K 11916 0 pcb 18 14K 16K 166960K 158 0 rtable 240 10K 11K 166960K 505 0 pf 36 18K 22K 166960K 90 0 ifaddr 40 7K 7K 166960K 55 0 ifgroup 51 2K 2K 166960K 77 0 sysctl 3 1K 1K 166960K 3 0 counters 62 36K 36K 166960K 84 0 ioctlops 0 0K 4K 166960K 1529 0 iov 0 0K 16K 166960K 27 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1391 87K 88K 166960K 1883 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 8 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 18 0 dirhash 12 2K 2K 166960K 21 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 89K 166960K 629 0 sigio 0 0K 0K 166960K 10 0 proc 72 91K 128K 166960K 588 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 71 0 in_multi 88 6K 7K 166960K 119 0 ether_multi 1 0K 0K 166960K 1 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 474 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 72K 82K 166960K 7632 0 UVM aobj 5 2K 2K 166960K 5 0 pinsyscall 42 84K 104K 166960K 1734 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 32 0 NDP 11 0K 2K 166960K 33 0 temp 75 8692K 8757K 166960K 15997 0 kqueue 13 20K 30K 166960K 112 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 75 0 72 1 0 1 1 0 8 0 rtentry 112 155 0 51 4 0 4 4 0 8 0 unpcb 144 320 0 303 2 0 2 2 0 8 1 syncache 336 7 0 7 2 1 1 1 0 8 1 tcpqe 32 1 0 1 1 1 0 1 0 8 0 tcpcb 808 318 0 311 8 0 8 8 0 8 6 arp 120 20 0 3 1 0 1 1 0 8 0 inpcb 376 770 0 755 8 0 8 8 0 8 6 nd6 136 27 0 3 1 0 1 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1168 7 0 7 1 0 1 1 0 8 1 pppxif 1480 2 0 2 2 1 1 1 0 8 1 pffrag 232 6 0 2 1 0 1 1 0 482 0 pffrnode 88 5 0 2 1 0 1 1 0 8 0 pffrent 40 9 0 5 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 8 0 5 1 0 1 1 0 8 0 pfanchor 1288 2 0 1 1 0 1 1 0 8 0 pftag 88 6 0 4 1 0 1 1 0 8 0 pfstitem 24 48 0 14 1 0 1 1 0 8 0 pfstkey 128 50 0 16 2 0 2 2 0 8 0 pfstate 376 50 0 16 5 0 5 5 0 8 0 pfrule 1344 27 0 19 2 1 1 2 0 8 0 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 676 0 256 29 0 29 29 0 8 2 art_table 32 679 0 256 4 0 4 4 0 8 0 art_node 16 154 0 60 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 2 2 2 0 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 15 0 5 1 0 1 1 0 8 0 shmpl 112 2 0 0 1 0 1 1 0 8 0 dirhash 1024 23 0 6 3 0 3 3 0 8 0 dino2pl 256 2528 0 1033 95 0 95 95 0 8 0 ffsino 280 2528 0 1033 109 0 109 109 0 8 0 nchpl 144 3392 0 1705 63 0 63 63 0 8 0 rtmask 32 3 0 3 1 0 1 1 0 8 1 uvmvnodes 80 2931 0 0 60 0 60 60 0 8 0 vnodes 216 2931 0 0 163 0 163 163 0 8 0 namei 1024 11396 0 11396 6 5 1 4 0 8 1 percpumem 16 56 0 11 1 0 1 1 0 8 0 pfiaddrpl 120 1 0 1 1 1 0 1 0 8 0 kstatmem 264 34 0 12 2 0 2 2 0 8 0 scsiplug 72 1 0 1 1 0 1 1 0 8 1 scxspl 216 10569 0 10568 10 3 7 8 1 8 6 plimitpl 152 158 0 140 1 0 1 1 0 8 0 sigapl 424 936 0 886 8 1 7 7 0 8 0 futexpl 64 7325 0 7322 1 0 1 1 0 8 0 knotepl 120 535 0 0 17 0 17 17 0 8 0 kqueuepl 216 187 0 177 1 0 1 1 0 8 0 pipepl 328 217 0 190 8 1 7 8 0 8 4 fdescpl 504 915 0 884 5 0 5 5 0 8 0 filepl 152 5167 0 4954 18 2 16 17 0 8 7 lockfpl 104 281 0 279 2 1 1 2 0 8 0 lockfspl 48 66 0 64 1 0 1 1 0 8 0 sessionpl 144 27 0 18 1 0 1 1 0 8 0 pgrppl 48 45 0 28 1 0 1 1 0 8 0 ucredpl 104 626 0 613 1 0 1 1 0 8 0 zombiepl 144 1139 0 1139 1 0 1 1 0 8 1 processpl 1176 936 0 886 5 0 5 5 0 8 0 procpl 656 1837 0 1778 6 0 6 6 0 8 1 srpgc 96 2 0 2 1 0 1 1 0 8 1 sosppl 168 3 0 3 1 1 0 1 0 8 0 sockpl 688 1177 0 1143 11 1 10 11 0 8 6 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 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 120 0 0 15 0 15 15 0 8 0 mcl2k 2048 21 0 0 3 0 3 3 0 8 0 mtagpl 96 21 0 0 1 0 1 1 0 8 0 mbufpl 256 298 0 0 19 0 19 19 0 8 0 bufpl 280 4201 0 131 291 0 291 291 0 8 0 anonpl 24 167788 0 164448 70 24 46 46 0 184 16 amapchunkpl 152 24609 0 24116 31 4 27 27 0 158 8 amappl16 200 3360 0 3326 31 20 11 15 0 8 7 amappl15 192 6 0 6 1 1 0 1 0 8 0 amappl14 184 148 0 136 1 0 1 1 0 8 0 amappl13 176 6 0 6 1 1 0 1 0 8 0 amappl12 168 1558 0 1527 3 1 2 3 0 8 0 amappl11 160 51 0 37 1 0 1 1 0 8 0 amappl10 152 19 0 19 1 1 0 1 0 8 0 amappl9 144 258 0 258 1 1 0 1 0 8 0 amappl8 136 28 0 26 1 0 1 1 0 8 0 amappl7 128 111 0 99 1 0 1 1 0 8 0 amappl6 120 177 0 174 1 0 1 1 0 8 0 amappl5 112 125 0 115 1 0 1 1 0 8 0 amappl4 104 328 0 309 1 0 1 1 0 8 0 amappl3 96 4690 0 4575 5 1 4 4 0 8 0 amappl2 88 677 0 615 2 0 2 2 0 8 0 amappl1 80 10247 0 9672 19 4 15 16 0 8 1 amappl 88 7213 0 7045 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 8 0 8 2 2 0 1 0 8 0 dma16 16 19 0 18 1 0 1 1 0 8 0 aobjpl 72 4 0 0 1 0 1 1 0 8 0 uaddrrnd 24 915 0 884 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 915 0 884 1 0 1 1 0 8 0 vmmpekpl 168 9659 0 9625 4 1 3 3 0 8 0 vmmpepl 168 62677 0 60812 106 12 94 95 0 357 7 vmsppl 456 914 0 884 6 1 5 5 0 8 0 rwobjpl 64 23166 0 19299 67 3 64 64 0 8 1 pdppl 4096 1837 0 1768 107 38 69 85 0 8 0 pvpl 32 16496 0 0 134 1 133 133 0 265 0 pmappl 248 914 0 884 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 304 0 47 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83805ff0) 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(ffffffff838aa328) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff838aa328) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff8000354c2da0,ffff800000079f00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f end of kernel end trace frame: 0x72d1fcefea80, count: 9 ddb{0}> trace x86_ipi_db(ffffffff83805ff0) 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(ffffffff838aa328) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff838aa328) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff8000354c2da0,ffff800000079f00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f end of kernel end trace frame: 0x72d1fcefea80, 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(ffffffff8343d305) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833eabe6,ffffffff8338360a,6cd,ffffffff8333eb26) at __assert+0x29 uvm_fault_unwire_locked(fffffd8060f673b8,400000000000,400000011000) at uvm_fault_unwire_locked+0x4b4 uvm_fault_unwire(fffffd8060f673b8,400000000000,400000011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1704 kern_sysctl_dirs(49,ffff80003a0ce668,4,400000000100,ffff80003a0ce698,0,89d6de88701436ca,4) at kern_sysctl_dirs+0x363 sysctl_vsunlock sys/kern/kern_sysctl.c:215 [inline] kern_sysctl_dirs(49,ffff80003a0ce668,4,400000000100,ffff80003a0ce698,0,89d6de88701436ca,4) at kern_sysctl_dirs+0x363 sys/kern/kern_sysctl.c:432 kern_sysctl(ffff80003a0ce664,5,400000000100,ffff80003a0ce698,0,37,de628c6715eab94e) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 sys_sysctl(ffff80002a3099a8,ffff80003a0ce7d0,ffff80003a0ce720) at sys_sysctl+0x425 syscall(ffff80003a0ce7d0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003a0ce7d0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6f8a6834570, count: 5 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8343d305) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833eabe6,ffffffff8338360a,6cd,ffffffff8333eb26) at __assert+0x29 uvm_fault_unwire_locked(fffffd8060f673b8,400000000000,400000011000) at uvm_fault_unwire_locked+0x4b4 uvm_fault_unwire(fffffd8060f673b8,400000000000,400000011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1704 kern_sysctl_dirs(49,ffff80003a0ce668,4,400000000100,ffff80003a0ce698,0,89d6de88701436ca,4) at kern_sysctl_dirs+0x363 sysctl_vsunlock sys/kern/kern_sysctl.c:215 [inline] kern_sysctl_dirs(49,ffff80003a0ce668,4,400000000100,ffff80003a0ce698,0,89d6de88701436ca,4) at kern_sysctl_dirs+0x363 sys/kern/kern_sysctl.c:432 kern_sysctl(ffff80003a0ce664,5,400000000100,ffff80003a0ce698,0,37,de628c6715eab94e) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 sys_sysctl(ffff80002a3099a8,ffff80003a0ce7d0,ffff80003a0ce720) at sys_sysctl+0x425 syscall(ffff80003a0ce7d0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003a0ce7d0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6f8a6834570, count: -10